CN118148492A - Crawler-type drilling machine for coal mine - Google Patents

Abstract

The invention relates to the technical field of drilling equipment, in particular to a crawler-type drilling machine for a coal mine, which comprises a chassis, wherein a mounting groove is formed in the top of the chassis, a first mounting platform and a second mounting platform are formed between the mounting groove and the chassis, a frame is arranged on the second mounting platform, an oil tank and a first operation platform are sequentially and alternately arranged on the first mounting platform, a third mounting platform is fixedly connected in the mounting groove, and an oil filter is commonly erected on the third mounting platform and the first mounting platform; through set up the mounting groove at the chassis top and differentiate chassis top region, form two mounting platforms at the chassis top, install longer frame alone on one of them mounting platform, be the linear installation of arranging other equipment on another mounting platform to make equipment installation region be close to the both sides of rig more, and install a plurality of equipment at same level and effectively reduced the height of rig complete machine, be favorable to the staff directly to change and maintain equipment at the rig side.

Description

Crawler-type drilling machine for coal mine

Technical Field

The invention relates to the technical field of drilling equipment, in particular to a crawler-type drilling machine for a coal mine.

Background

The drilling machine is a common drilling device in underground coal mines, the existing drilling machine is a crawler-type drilling machine which is used for realizing torque output by matching a high-speed small-torque motor with a speed reducer, and the drilling machine has the characteristics of high-speed small torque and low-speed large torque.

The layout is mostly that the top of the drilling machine chassis is provided with a lifting system, a hydraulic system is arranged below or behind the lifting system, and the like, so that the height or length of the whole assembled drilling machine is higher, the whole assembled drilling machine cannot be well suitable for small underground drilling of coal mines, meanwhile, all equipment is crowded, the installation height of the lifting system is higher, the maintenance is not facilitated, and secondly, due to the fact that the drilling machine is higher, a drilling machine control table is arranged on the side or behind of the drilling machine, the sight of an operator is blocked during drilling construction, drilling and walking conditions are not facilitated to be observed, and potential safety hazards exist.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide the crawler-type drilling machine for the coal mine, and the drilling machine is laid out by adopting a modularized design at the same horizontal height of the top of the drilling machine, so that the layout of a plurality of systems of the drilling machine is more reasonable, the maintenance is more convenient, and the height of the drilling machine is effectively reduced.

The technical scheme adopted by the invention is as follows: the utility model provides a crawler-type drilling machine for colliery, includes the chassis, the mounting groove has been seted up at the top of chassis, the both sides wall of mounting groove with form two echelonment mounting platform between the chassis, be first mounting platform and second mounting platform respectively, be provided with the frame on the second mounting platform, follow first mounting platform length direction on the first mounting platform interval in proper order install oil tank and first operation panel, oil tank bottom part unsettled in the top of mounting groove, fixedly connected with third mounting platform in the mounting groove, the third mounting platform with the oil filter has been erect jointly on the first mounting platform, the oil filter frame is located the top of mounting groove, the oil tank first operation panel the oil filter with the frame adopts the modularization installation, and the bottom is in same horizontal installation height.

Compared with the prior art, the invention has the beneficial effects that:

The chassis top is provided with the mounting grooves to differentiate the chassis top area, the chassis top is provided with two mounting platforms, the heights of the top surfaces of the two mounting platforms are the same, a plurality of devices are respectively mounted on the two mounting platforms by adopting a modularized design, particularly, a longer frame is independently mounted on one mounting platform, other devices including the oil tank, the first operating platform, the oil filter and the like are linearly arranged on the other mounting platform on the same horizontal height, so that the device mounting area is closer to two sides of a drilling machine, the heights of the whole drilling machine are effectively reduced by mounting the plurality of devices on the same horizontal height, workers can directly replace and maintain the devices on the sides of the drilling machine, a space or a pipeline arrangement space is reserved between the devices, good conditions are provided for normal heat dissipation of the devices, and the devices are mounted and overhauled, so that the crawler-type drilling machine disclosed by the invention is more concentrated in arrangement, small in size, good in passing performance, can move in a narrow space of a coal mine tunnel, and better adaptability.

As a preferred embodiment of the invention, the output end of the oil filter is provided with a first connecting component, the first connecting component extends to the rear of the first operation table, the first operation table is of a hollowed-out frame structure, and a cover plate is fixedly connected to the front of the first operation table.

In this scheme, first operation panel fretwork, in order to reduce the weight of rig, and first operation panel the place ahead is provided with the apron is used for protecting the valve piece, and dismantle the apron just can carry out maintenance work or dismantle the apron to the valve piece, pass first operation panel can be right on the oil filter first coupling assembling carries out maintenance work, and maintenance work is more convenient.

In a preferred embodiment of the present invention, the oil tank and the first operation table are mounted on the first mounting platform at intervals, a pipeline mounting space is formed between the oil tank and the first operation table, and the oil tank is provided with a second connection assembly and is located in the pipeline mounting space.

In this scheme the oil tank with form the pipeline installation space between the first operation panel, be provided with second coupling assembling on the oil tank, and be located in the pipeline installation space to stand in one side of rig just can right second coupling assembling carries out the pipe connection with right second coupling assembling overhauls the work, and it is more convenient to maintain the work.

In a preferred embodiment of the present invention, a notch is formed at a top corner of the oil tank, so that a stepped installation space is formed at the top corner of the oil tank for installing the hydraulic pump.

In this scheme, through with the hydraulic pump install in the ladder space that oil tank apex angle department formed, thereby replace with the hydraulic pump direct mount in the top of oil tank, thereby effectively reduced the holistic height of rig, reduced the volume of rig, and the installation of hydraulic pump does not additionally occupy installation space, make the structure of rig compacter, thereby reduce the rig and to the blocking of operator's sight, reduce the potential safety hazard and improved the convenience of rig operation.

As a preferred embodiment of the invention, one end of the top of the chassis is provided with a first groove, a supporting component for supporting the frame and the chassis to rotate is arranged in the first groove in a sinking manner, and a jacking component for jacking the frame is arranged at the side of the other end of the frame.

In the scheme, the whole supporting component for supporting the rack to swing to the inclined state is arranged in the first groove in a sinking hidden mode, compared with the prior art, the supporting component is directly arranged between the rack and the chassis, the occupied space between the rack and the chassis is reduced, meanwhile, the jacking component for jacking the rack to swing to the inclined state is arranged between the rack and the chassis from original, and is arranged on the outer side of the rack, so that the distance between the rack and the chassis is integrally shortened, the whole height of a drilling machine is reduced, potential safety hazards caused by blocking of the drilling machine to the view of an operator are reduced, the whole gravity center of the drilling machine is reduced, the distance between the rack and the chassis is small, the whole machine is basically attached, the whole machine is more stable in working, and the vibration is small.

As a preferred embodiment of the invention, the jacking component comprises a first power source arranged on the chassis and a connecting component arranged at the end part of the frame, wherein the output end of the first power source is hinged with the connecting component, one end of the chassis far away from the first groove is provided with a through hole, the through hole is exposed out of the frame, and the first power source is hinged in the through hole.

In this scheme, the oil cylinder which is arranged below the frame and is used for pushing the frame to rotate in the initial state is arranged below the frame, the initial state of the first power source is vertical and is arranged on the outer side of the frame, the frame cannot block the first power source, so that the first power source is easier to maintain when damaged, the first power source is vertically and downwards arranged in the through hole, the height of the drilling machine is reduced, meanwhile, compared with the situation that the first power source is transversely arranged on the outer side of the frame, the length of the chassis occupied by the first power source is reduced, the length of the whole machine is shortened, the size of the drilling machine is reduced, and the first power source pushes the connecting component to push one end of the frame to lift.

As a preferred embodiment of the invention, the connecting assembly comprises two support plates, the two support plates are fixedly connected to one end, close to the first power source, of the frame at intervals, a push rod penetrates through the two support plates, the push rod is hinged with the output end of the first power source, the top of the chassis is fixedly connected with a support, a connector is hinged to the support, a sliding rod is clamped on the connector, a hoop is arranged on the outer circumferential surface of the sliding rod, a third connecting piece is arranged on one side, close to the push rod, of the hoop, and the third connecting piece is in plug-in fit with the push rod.

In this scheme, when the push rod is by the power supply promotes and is the pitch arc motion, the push rod drives the staple bolt is followed the slide bar slides, and because the one end of frame is by the power supply jack-up time, articulated seat passes through the connecting axle with the journal stirrup board takes place relative rotation, the frame is by the jack-up end extremely the horizontal distance of connecting axle reduces, at this moment the connector with the support takes place to rotate in order to adapt the motion trail of frame, thereby assist the frame is the lifting steadily.

According to the invention, as a preferred embodiment, the power head is slidably arranged on the frame and comprises a main shaft, an oil supply channel is arranged on the main shaft, a hydraulic chuck and an oil supply assembly are arranged on the main shaft in a split mode, and the oil supply assembly can continuously provide hydraulic oil for the hydraulic chuck to clamp a drilling tool through the oil supply channel.

In the scheme, the oil supply assembly and the hydraulic chuck are arranged on the main shaft in a split mode, when the oil distribution sleeve in the oil supply assembly is worn and needs to be replaced, the oil supply assembly can be directly disassembled for replacement, and the oil supply assembly and the hydraulic chuck are arranged in a split mode, so that other parts of the oil supply assembly or the hydraulic chuck can be maintained independently.

As a preferred embodiment of the invention, the oil supply assembly comprises an oil distribution sleeve body and a main shaft end cover, wherein the oil distribution sleeve body is sleeved on the outer circumferential surface of the main shaft, the main shaft end cover is fixedly connected with the reduction gearbox body and used for supporting the main shaft, and the main shaft end cover is covered on the outer side of the oil distribution sleeve body and used for protecting the oil distribution sleeve body.

In this scheme, when the oil distribution sleeve body wearing and tearing need be changed, only need to dismantle the main shaft end cover, just can dismantle the connecting cylinder, will the oil distribution sleeve body exposes, can be directly right at this moment the oil distribution sleeve body is dismantled and is changed fast.

As a preferred embodiment of the invention, the rack is fixedly connected with the clamp holder, the clamp holder is positioned in front of the power head, the clamp holder comprises two groups of symmetrically arranged clamp assemblies, the two groups of clamp assemblies are arranged on the rack in a split mode, the two groups of clamp assemblies can clamp the drilling tool in a centering mode in cooperation, the top space between the two groups of clamp assemblies is opened, and the drilling tool can be arranged in the two groups of clamp assemblies from top to bottom.

In the scheme, when drilling holes are changed in a narrow coal mine underground by using drilling tools with different diameters, as the two groups of clamping assemblies are arranged on the frame in a split mode, the top space between the two groups of clamping assemblies is opened, so that compared with the situation that the drilling tools can only be penetrated and assembled through a central hole when the drilling tools are clamped by the normally closed type and compound type hydraulic clamping devices in the prior art, the clamping devices can directly clamp and fix the drilling tools in the clamping devices from top to bottom when the drilling tools are assembled, and therefore, the drilling tools can be installed without moving and adjusting the position of the drilling machine or integrally disassembling the clamping devices under the condition that power heads are arranged behind a mining body, and the convenience of drilling tool installation is improved.

Drawings

FIG. 1 is a schematic view of the entire construction of the crawler drilling machine for coal mines of the present invention.

FIG. 2 is a schematic view of the crawler drill in another direction of the whole crawler drill in coal mine.

FIG. 3 is a schematic diagram of the connection of the frame to the chassis of the track-type drilling rig for coal mines of the present invention.

FIG. 4 is a schematic illustration of the connection of the lug plate to the chassis of the track-type drilling machine for coal mines of the present invention.

FIG. 5 is a schematic illustration of the connection of the first mounting plate to the chassis of the coal track rig of the present invention.

FIG. 6 is a schematic diagram of the connection of the attitude adjusting cylinder and the mounting shaft of the crawler drilling machine for coal mines.

FIG. 7 is a schematic illustration of the connection of the hinge mount and the connecting shaft of the track-type drilling machine for coal mines of the present invention.

FIG. 8 is an exploded view of the anchor ear and slide bar of the inventive coal track drilling machine.

FIG. 9 is a schematic view of the power head of the track-type drilling machine for coal mines.

Fig. 10 is a schematic view of the connection of the main shaft and the hydraulic chuck of the crawler drill in the coal mine of the present invention.

FIG. 11 is a schematic illustration of the connection of the oil feed pipe and the seal ring of the coal mine crawler drill of the present invention.

FIG. 12 is a schematic view of the main shaft of the track-type drilling machine for coal mines.

FIG. 13 is a schematic illustration of the connection of the fifth link and the first stop of the coal track rig of the present invention.

FIG. 14 is a schematic view of the connection plate and the clamping seat of the crawler drilling machine for coal mines.

FIG. 15 is a schematic illustration of the connection of the holder of the coal track rig of the present invention to a secondary power source.

FIG. 16 is a schematic illustration of the connection of a sixth connector to a positioning sleeve of the coal track rig of the present invention.

The reference numerals include: 1-chassis, 2-frame, 4-first groove, 5-support assembly, 51-lug plate, 52-first connection hole, 53-connection shaft, 54-mount, 541-connection, 542-mount, 55-hinge mount, 6-through hole, 7-first power source, 8-second groove, 9-first mounting plate, 10-second mounting plate, 11-mounting shaft, 12-support plate, 13-pushrod, 131-sleeve, 132-first connection piece, 14-support, 15-connector, 16-slide bar, 161-first rod, 162-second connection piece, 163-second rod, 17-anchor ear, 18-third connection piece, 19-tank, 20-hydraulic pump, 21-notch, 22-drill power head, 23-drill holder, 24-oil filter, 25-first console, 26-second console, 27-cover plate, 28-cooler, 29-mounting groove, 30-first mounting platform, 31-second mounting platform, 32-third mounting assembly, 34-second connection space, 35-33-connection hole, 37-air vent assembly, and multiplex valve assembly.

Drilling machine power head: 38-reduction box body, 39-main shaft, 40-oil supply channel, 41-hydraulic chuck, 42-oil supply assembly, 43-oil distributing sleeve body, 44-main shaft end cover, 441-front end cover, 442-connecting cylinder, 443-rear end cover, 45-oil distributing hole, 46-oil inlet pipe, 47-annular groove, 48-sealing ring, 49-third groove and 50-bearing.

Drilling machine clamp holder: 51-fourth connecting piece, 52-roof groove, 53-second connecting hole, 54-fifth connecting piece, 55-first limiting piece, 56-holder, 57-holding cavity, 58-second power source, 59-holder, 60-connecting groove, 61-connecting block, 62-side groove, 63-baffle, 64-cushion, 65-third mounting plate, 66-bottom groove, 67-connecting plate, 68-third connecting hole, 69-sixth connecting piece, 70-second limiting piece, 71-positioning sleeve.

Detailed Description

Exemplary embodiments that embody features and advantages of the present invention will be set forth in detail in the following description. It will be understood that the invention is capable of various modifications in various embodiments, all without departing from the scope of the invention, and that the description and illustrations herein are intended to be by way of illustration only and not to be construed as limiting the invention.

In the description of the present application, the orientation or positional relationship indicated by the terms "first", "second", "one side", etc. are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the structure referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

Referring to fig. 1 to 5, the application discloses a crawler-type drilling machine for coal mines, which comprises a chassis 1, wherein a travelling mechanism is arranged on the chassis 1 for the drilling machine to travel for drilling operation; the top of the chassis 1 is provided with a mounting groove 29, two stepped mounting platforms are formed between two side walls of the mounting groove 29 and the chassis 1, the two stepped mounting platforms are a first mounting platform 30 and a second mounting platform 31 respectively, and the second mounting platform 31 is provided with a frame 2.

Referring to fig. 1 and 2, an oil tank 19 is mounted on the first mounting platform 30 along the length direction of the first mounting platform 30, and the oil tank 19 is open on the side, so that the interior of the oil tank 19 can be cleaned from the side, hydraulic oil only leaks from the side of the drilling machine during cleaning, and the pollution of the hydraulic oil is less; the outer side of the oil tank 19 is fixedly connected with a cooler 28, the cooler 28 is positioned at one side of the oil tank 19 away from the second connecting component 35, the cooler 28 is used for cooling hydraulic oil, so that the hydraulic oil is recovered to a normal working temperature, the mechanical working efficiency is prevented from being reduced due to over-high and thin oil temperature, and the cooler 28 is arranged outside the oil tank 19, so that the maintenance is facilitated when the cooler 28 is damaged; the bottom of the oil tank 19 is suspended above the mounting groove 29, so that the contact area between the oil tank 19 and the air can be increased, and the cooling effect of the hydraulic oil can be improved.

A notch 21 is formed at the top corner of the oil tank 19, so that a stepped installation space is formed at the top corner of the oil tank 19 for installing the hydraulic pump 20. Specifically, the outer surface of the oil tank 19 is fixedly connected with a cooler 28, the cooler 28 is used for cooling hydraulic oil, so that the hydraulic oil is recovered to a normal working temperature, the reduction of mechanical working efficiency caused by too high and thin oil temperature is prevented, and the cooler 28 is arranged outside the oil tank 19, so that the maintenance is facilitated when the cooler 28 is damaged; the hydraulic pump 20 is arranged in the stepped space formed at the top angle of the oil tank 19, so that the hydraulic pump 20 is directly arranged at the top of the oil tank 19, the overall height of the drilling machine is effectively reduced, the volume of the drilling machine is reduced, and the hydraulic pump 20 is arranged without occupying additional installation space, so that the drilling machine is more compact in structure.

Referring to fig. 1 and 2, along the length direction of the first mounting platform 30, a first operation platform 25 is mounted on the first mounting platform 30, and a pressure gauge for hydraulic oil detection, a control handle, a drill rod drilling adjustment rotation speed switch and the like are integrated on the first operation platform 25, so that when the drilling operation of the drilling machine is controlled, the drilling machine can be controlled to perform a series of drilling operations only by standing on the side part of the drilling machine, the oil tank 19 and the first operation platform 25 are mounted on the first mounting platform 30 at intervals, a pipeline mounting space 34 is formed between the oil tank 19 and the first operation platform 25, a second connection component 35 is arranged on the oil tank 19 and is positioned in the pipeline mounting space 34, one side of the drilling machine can be connected through the pipeline by the second connection component 35, the second connection component 35 is overhauled, the maintenance operation is more convenient, a second operation platform 26 is further arranged behind the chassis 1, the second operation platform 26 is used for controlling the walking of the drilling machine, and the second operation platform 26 is arranged behind the drilling machine to control the walking direction of the drilling machine.

Referring to fig. 1,2 and 4, a third mounting platform 32 is fixedly connected in the mounting groove 29, an oil filter 24 is commonly erected on the third mounting platform 32 and the first mounting platform 30, and the oil filter 24 is erected above the mounting groove 29, so that good ventilation and heat dissipation conditions are provided for the oil filter 24, and problems of aging acceleration of filter core materials, failure of sealing elements or reduced filtering efficiency due to overhigh temperature are avoided; the oil filter 24 is used for filtering impurities in hydraulic oil to ensure cleanliness of the hydraulic oil, a first connecting component 33 is arranged at an output end of the oil filter 24, the first connecting component 33 and the second connecting component 35 comprise flanges, quick connectors, control valves and the like, the oil tank 19 and the oil filter 24 are connected through pipelines by the two connecting components to ensure circulation of the hydraulic oil in a hydraulic system, and the specific structure and the working principle of the connecting components are the prior art and are not repeated herein; the first connecting assembly 33 extends to the rear of the first operating platform 25, the first operating platform 25 is of a hollow frame structure, the front of the first operating platform 25 is fixedly connected with a cover plate 27, the first operating platform 25 is hollow so as to reduce the weight of the drilling machine, the cover plate 27 is arranged in front of the first operating platform 25 and is used for protecting a valve block, the valve block can be maintained by disassembling the cover plate 27 or the cover plate 27 can be maintained by penetrating through the first operating platform 25, and the maintenance work is more convenient; the chassis 1 is provided with a plurality of heat dissipation holes 36, the heat dissipation holes 36 are communicated with the mounting groove 29 and penetrate the chassis 1 up and down, the heat dissipation holes 36 are used for heat dissipation and ventilation of the top space of the drilling machine, and sundries accumulated in the mounting groove 29 are cleaned through the heat dissipation holes 36; the mounting groove 29 is fixedly connected with a multi-way valve 37, and the periphery of the multi-way valve 37 is free from shielding, so that the multi-way valve 37 is overhauled, good ventilation and heat dissipation conditions are improved for the multi-way valve 37, and the working efficiency and the service life of the multi-way valve 37 are ensured.

According to the crawler-type drilling machine for the coal mine, the mounting grooves 29 are formed in the top of the chassis 1 to divide the top area of the chassis 1, two mounting platforms are formed in the top of the chassis 1, the heights of the top surfaces of the two mounting platforms are identical, a plurality of devices are respectively mounted on the two mounting platforms through a modularized design, specifically, the longer frame 2 is independently mounted on one mounting platform, other devices such as the oil tank 19, the first operating platform 25, the oil filter 24 and the like are linearly arranged on the other mounting platform on the same horizontal level, the device mounting area is closer to two sides of the drilling machine, a plurality of devices are mounted on the same horizontal level, the whole height of the drilling machine is effectively reduced, workers can directly replace and maintain the devices on the side of the drilling machine, a space or a pipeline arrangement space is reserved between the devices, good conditions are provided for normal operation of the devices, and the pipelines are facilitated to be mounted and overhauled, and finally, the devices such as the multiple-way valve 37 and the like are mounted in the mounting grooves 29, so that the mounting grooves 29 are reasonably utilized, the cooling device is better in the cooling device is arranged in the small-size and the coal mine, and the size of the crawler-type drilling machine is better in the small-size, and the coal mine is convenient to move in the small-size and easy to install.

The drilling machine frame part comprises:

referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 6, fig. 9 and fig. 13, a frame 2 is disposed on the second mounting platform 31, the frame 2 is used for mounting a drilling machine power head 22 and a drilling machine clamp 23, a first groove 4 is formed at one end of the top of the chassis 1, a supporting component 5 for supporting the frame 2 and rotating the chassis 1 is disposed in the first groove 4 in a sinking manner, and a jacking component for jacking the frame 2 is disposed at the side of the other end of the frame 2. Specifically, the whole supporting component 5 supporting the frame 2 to swing to an inclined state is installed in the first groove 4 in a sinking hidden mode, compared with the prior art that the supporting component 5 is directly installed between the frame 2 and the chassis 1, the occupied space between the frame 2 and the chassis 1 is reduced, meanwhile, the jacking component for jacking the frame 2 to swing to an inclined state is installed between the frame 2 and the chassis 1 from the original mode and is now installed on the outer side of the frame 2, so that the distance between the frame 2 and the chassis 1 is shortened as a whole, the whole height of a drilling machine is reduced, and potential safety hazards caused by blocking of the drilling machine to the visual field of an operator are reduced.

Referring to fig. 4, 6 and 7, the supporting component 5 includes a plurality of lugs 51 fixedly connected in the first groove 4 at intervals along the width direction of the first groove 4, and includes a plurality of hinge seats 55 fixedly connected below the frame 2 at intervals along the width direction of the frame 2, first connecting holes 52 are formed on the lugs 51 and the hinge seats 55, and a connecting shaft 53 is jointly threaded in the first connecting holes 52 to provide a fulcrum for rotation of the hinge seats 55; the supporting component 5 further comprises a fixing piece 54, the fixing piece 54 is provided with a connecting portion 541 and a fixing portion 542, the connecting portion 541 penetrates through the chassis 1 to extend into the first groove 4 to be clamped with the connecting shaft 53, and the fixing portion 542 is fixedly connected with the chassis 1. Specifically, the lug plate 51 is used for supporting the connecting shaft 53, so as to improve the stability of the connecting shaft 53 during use, and the connecting shaft 53 is used for providing a fulcrum for the rotation of the hinge seat 55; the connecting portion 541 passes through the frame 2 and extends into the first groove 4 to be clamped with the connecting shaft 53, and the fixing portion 542 is connected with the chassis 1 by bolts, so as to ensure the stability of installation of the connecting shaft 53.

Referring to fig. 3 to 6, the jacking assembly includes a first power source 7 disposed on the chassis 1 and a connection assembly mounted at an end of the frame 2, an output end of the first power source 7 is hinged with the connection assembly, and in this embodiment, the first power source 7 adopts a hydraulic cylinder; the chassis 1 is far away from one end of the first groove 4 and is provided with a through hole 6, the through hole 6 is exposed out of the frame 2, and the first power source 7 is hinged in the through hole 6. Specifically, when the first power source 7 works, one end of the frame 2 is pushed to lift up through the connecting component, the frame 2 can be lifted up to an inclined state to perform inclined hole rotation operation, compared with the prior art, an oil cylinder which is in a transverse initial state and is used for pushing the frame 2 to rotate is arranged below the frame 2, the initial state of the first power source 7 is vertical and is arranged on the outer side of the frame 2, so that maintenance is easier when the first power source 7 is damaged, the first power source 7 is vertically sunk and arranged in the through hole 6, the space required for mounting the first power source 7 is reduced, the height of a drilling machine is reduced, and finally under the condition of being arranged on the outer side of the frame 2, the length of the chassis 1 occupied by the first power source 7 is reduced compared with the length of the chassis 1 when the first power source 7 is transversely mounted, and the size of the whole machine is reduced.

Referring to fig. 3, 6 and 8, the connecting assembly includes two support plates 12, the two support plates 12 are fixedly connected to one end of the frame 2 near the first power source 7 at intervals, a push rod 13 is arranged between the two support plates 12 in a penetrating manner, and the push rod 13 is hinged with the output end of the first power source 7; the top of the chassis 1 is fixedly connected with a support 14, the support 14 is hinged with a connector 15, a sliding rod 16 is clamped on the connector 15, the connector 15 is a triangular block, one side surface of the connector is in a boss shape, the sliding rod 16 is clamped on the boss of the connector 15, the outer circumferential surface of the sliding rod 16 is provided with a hoop 17, one side of the hoop 17, which is close to the push rod 13, is provided with a third connecting piece 18, and the third connecting piece 18 is in plug-in fit with the push rod 13; the push rod 13 comprises two sleeves 131 respectively penetrating through the two support plates 12, a first connecting piece 132 is connected between the two sleeves 131 through bolts, the third connecting piece 18 stretches into the sleeves 131, and the diameter of the third connecting piece 18 is matched with the inner diameter of the sleeves 131. Specifically, the sliding rod 16 is of a hollow tubular structure, a clamping groove matched with the boss of the connector 15 is formed in the inner wall of the sliding rod 16, the sliding rod 16 is clamped on the connector 15, installation and disassembly of the sliding rod 16 are facilitated, and the peripheral surface of the sliding rod 16 can be reinforced with bolts to be connected with the connector 15; the two sleeves 131 are sleeved at two ends of the first connecting piece 132 and fixed by bolts, so that the sleeves 131 are conveniently sleeved on the support plate 12 and sleeved outside the third connecting piece 18, the outer circumferential surface of the sliding rod 16 is connected with a hoop 17 by bolts, one side of the hoop 17, which is close to the sleeve 131, is provided with the third connecting piece 18, the third connecting piece 18 is cylindrical, the diameter of the third connecting piece 18 is matched with the inner diameter of the sleeve 131, the third connecting piece 18 stretches into the sleeve 131 to connect the push rod 13 and the hoop 17 into a whole, in the invention, the third connecting piece stretches into the sleeve, two ends of the sleeve penetrate through the two support plates, if the two support plates are only connected with the sleeve, the radial bearing of the sleeve is smaller because the sleeve is of a hollow structure, and the cylindrical third connecting piece stretches into the sleeve, so that the effect of connecting the anchor ear and the sleeve is achieved, and the connecting position of the third connecting piece and the sleeve is just positioned in the two support plates, and the connecting position is the third connecting piece, the sleeve and the support plates from inside to outside in sequence, so that the connecting strength of the connecting position of the sleeve and the support plates is enhanced. When the push rod 13 is pushed by the first power source 7 to move in an arc, the push rod 13 drives the hoop 17 to slide along the slide rod 16, and when one end of the frame 2 is lifted by the first power source 7, the hinge seat 55 rotates relative to the lug plate 51 through the connecting shaft 53, the horizontal distance from the lifted end of the frame 2 to the connecting shaft 53 is reduced, and at this time, the connecting head 15 rotates with the support 14 to adapt to the movement track of the frame 2, thereby assisting the frame 2 to stably move.

Through the structure, when the push rod or the first power source needs to be replaced, only the slide rod is required to be pulled out from the connector and the anchor ear, and as the third connecting piece integrated with the anchor ear is clamped in the sleeve, the two anchor ears are pulled out from two sides, the whole push rod can be pulled out from the two support plates, and the first power source can be taken out from the through hole, so that the push rod or the first power source can be conveniently replaced, and the whole lifting structure is very convenient to install and detach through the structural design.

Referring to fig. 3, 6 and 8, the sliding rod 16 includes a first rod 161, a second rod 163, and a second connecting member 162 connected between the first rod 161 and the second rod 163, where the first rod 161 is clamped with the connector 15, two ends of the second connecting member 162 are respectively clamped with the first rod 161 and the second rod 163, specifically, two ends of the second connecting member 162 are respectively boss-shaped, two end inner walls of the first rod 161 and the second rod 163 are respectively provided with a slot adapted to the boss, and the second connecting member 162 is used to clamp and connect the first rod 161 and the second rod 163, so that the rods can be added as required to increase the length of the sliding rod 16, the height of the stand 2 that is lifted is matched, the peripheral surfaces of the two rods can be reinforced with the second connecting member 162 by bolts, and the action of the stand 2 is assisted.

Referring to fig. 3 to 6, a second groove 8 is formed in the bottom of the chassis 1, the second groove 8 is communicated with the through hole 6, two first mounting plates 9 are fixedly connected in the middle of the second groove 8, the two first mounting plates 9 are respectively arranged on two sides of the power source 7, two second mounting plates 10 are fixedly connected above each first mounting plate 9, two mounting shafts 11 are oppositely arranged on a shell of the power source 7, and the mounting shafts 11 extend into and are rotatably connected between the first mounting plates 9 and the second mounting plates 10, so that when the power source 7 lifts the frame 2, the power source 7 swings between the two mounting plates through the mounting shafts 11 to adapt to a movement track of the frame 2.

The drilling machine power head part comprises:

referring to fig. 1, fig. 2, fig. 9, fig. 10, fig. 11 and fig. 12, the frame 2 is slidably provided with a drilling machine power head 22, the installation mode of the drilling machine power head 22 is the prior art, and will not be described in detail herein, the drilling machine power head 22 includes a reduction gearbox 38 and a main shaft 39, the reduction gearbox 38 is installed on the frame 2, the main shaft 39 is in transmission connection with the reduction gearbox 38, an oil supply channel 40 is arranged on the main shaft 39, a hydraulic chuck 41 and an oil supply assembly 42 are installed on the main shaft 39 in a split type, and the oil supply assembly 42 can clamp a drilling tool for the hydraulic chuck 41 through the oil supply channel 40 to continuously provide hydraulic oil. Specifically, the structure and working principle of the hydraulic chuck 41 are the prior art, and are not described in detail herein, the oil supply unit 42 and the hydraulic chuck 41 of the present invention are separately mounted on the main shaft 39, and are respectively disposed on two sides of the reduction gearbox 38, when the oil distribution sleeve in the oil supply unit 42 is worn and needs to be replaced, the oil supply unit 42 is directly operated and removed on one side of the reduction gearbox 38 to replace, and the oil supply unit 42 and the hydraulic chuck 41 are separately mounted, so that other parts of the oil supply unit 42 or the hydraulic chuck 41 are independently maintained, and compared with the same end of the prior art in which the oil supply unit 42 and the hydraulic chuck 41 are connected and mounted on the main shaft 39, the hydraulic chuck 41 needs to be removed first when the oil distribution sleeve is replaced, and then other parts associated with the main shaft 39 can be removed and replaced.

Referring to fig. 9 to 11, the oil supply unit 42 includes an oil distribution sleeve body 43 sleeved on the outer circumferential surface of the main shaft 39 and a main shaft end cover 44, the main shaft end cover 44 is fixedly connected with the reduction gearbox 38 and is used for supporting the main shaft 39, and the main shaft end cover 44 is covered on the outer side of the oil distribution sleeve body 43 and is used for protecting the oil distribution sleeve body 43; the main shaft end cover 44 includes a front end cover 441, a connecting cylinder 442, and a rear end cover 443 that are sequentially connected, the front end cover 441 is connected with the reduction gearbox 38, the connecting cylinder 442 is covered on the outer side of the oil distributing sleeve 43, and the oil distributing sleeve 43 can be directly detached after the connecting cylinder 442 is detached. Specifically, the spindle end cover 44 is bolted to the reduction gearbox 38 and covers the outer side of the oil distribution sleeve 43, so that the spindle end cover 44 can mount and protect the oil distribution sleeve 43 while supporting and assisting the spindle 39 to rotate, and when the oil distribution sleeve 43 is worn and needs to be replaced, the connecting cylinder 442 can be detached by only detaching the bolt between the connecting cylinder 442 and the front end cover 441, and the oil distribution sleeve 43 is exposed, so that the oil distribution sleeve 43 can be directly and quickly detached and replaced.

Referring to fig. 11, a third groove 49 is formed in the inner wall of the connecting cylinder 442, a bearing 50 is mounted in the third groove 49, and an inner ring of the bearing 50 is connected to the main shaft 39. Specifically, the bearing 50 is configured to bear radial loads of the spindle 39 when the spindle 39 and the spindle cover 44 are rotated relative to each other, so as to increase the service life of the spindle 39.

Referring to fig. 11, along the radial direction of the main shaft 39, oil distribution holes 45 are respectively formed on the outer circumferential surfaces of the connecting cylinder 442 and the oil distribution sleeve body 43, the oil supply assembly 42 includes an oil inlet pipe 46 penetrating and installed in the two oil distribution holes 45, one end of the oil inlet pipe 46 is located at the outer side of the connecting cylinder 442, the other end of the oil inlet pipe penetrates through the main shaft end cover 44 to be embedded in the oil distribution hole 45 of the oil distribution sleeve body 43, and when the main shaft 39 rotates to align the oil inlet hole of the oil supply channel 40 with the oil distribution hole 45 on the oil distribution sleeve body 43, hydraulic oil enters the oil supply channel 40 and is finally delivered to the hydraulic chuck 41; the oil inlet pipe 46 is embedded in the outer circumferential surface of one end of the oil distributing sleeve body 43, an annular groove 47 is circumferentially formed in the outer circumferential surface, and a sealing ring 48 is sleeved in the annular groove 47. Specifically, when the oil inlet pipe 46 extends into the oil distributing sleeve body 43 from the connecting cylinder 442, the oil inlet pipe 46 can be positioned in the axial direction of the oil distributing sleeve body 43, the stability of the oil distributing sleeve body 43 installed in the spindle end cover 44 is improved, hydraulic oil can be led into the oil distributing hole 45 on the oil distributing sleeve body 43 through the oil inlet pipe 46, when the spindle 39 rotates to align the oil inlet hole of the oil supply channel 40 with the oil distributing hole 45 on the oil distributing sleeve body 43, hydraulic oil enters the oil supply channel 40 and is finally conveyed to the hydraulic chuck 41, an O-shaped sealing ring 48 is installed in the annular groove 47 through opening the lower end of the oil inlet pipe 46, at this time, the sealing ring 48 only plays a role in sealing, and the oil inlet pipe 46 plays a role in supporting.

The drill holder portion of the present invention:

Referring to fig. 1,2, 13 and 14, a drilling machine holder 23 is fixedly connected to the frame 2, the drilling machine holder 23 is located in front of the drilling machine power head 22, the drilling machine holder 23 includes two groups of symmetrically arranged clamping assemblies, the tops of the two groups of clamping assemblies are detachably connected with a fourth connecting piece 51 together, the fourth connecting piece 51 is used for transversely connecting the two groups of clamping assemblies or opening a top space between the two groups of clamping assemblies, each group of clamping assemblies includes a clamping seat 56 detachably connected below the end of the fourth connecting piece 51, and a top groove 52 is formed in the top of the clamping seat 56; the top of the clamping seat 56 and the fourth connecting piece 51 are respectively provided with a second connecting hole 53, a fifth connecting piece 54 is jointly arranged in the second connecting hole 53 in a penetrating manner, and a first limiting piece 55 is radially arranged at one end of the fifth connecting piece 54, which extends out of the clamping seat 56 through the fourth connecting piece 51. Specifically, in this embodiment, the first limiting member 55 may be a pin, when one of the first limiting members 55 is pulled out and the fifth connecting member 54 mounted thereon is pulled out and removed, one end of the fourth connecting member 51 may be pulled to swing upward, the other end of the fourth connecting member 51 rotates with the other fifth connecting member 54 as a base point, so that the top spaces of the two groups of clamping assemblies may be quickly opened, and since both ends of the fourth connecting member 51 are connected with the clamping seat 56 through the same structure, no matter on which side of the drilling machine the operator is located, the operator may perform a removing operation to pull the fourth connecting member 51 to open the top space between the two groups of clamping assemblies, and during assembling the drilling tool, the drilling tool may be directly put into the drilling machine holder 23 from top to bottom for clamping and assembling.

Referring to fig. 13 to 15, an accommodating cavity 57 is formed on the inner side of the clamping seat 56, a gripper 59 for gripping a drilling tool is installed in the accommodating cavity 57, the gripper 59 is a slip, a second power source 58 is fixedly connected to the clamping seat 56, the second power source 58 adopts an oil cylinder in the embodiment, and an output end of the second power source 58 extends into the accommodating cavity 57 and is detachably connected with the gripper 59; a connecting groove 60 is formed in one side, close to the second power source 58, of the gripper 59, the connecting groove 60 penetrates the gripper 59, a connecting block 61 is fixedly connected to the output end of the second power source 58, and the connecting block 61 is in clamping fit with the connecting groove 60 so as to connect the gripper 59 and the second power source 58 in the action direction of the output end of the second power source 58, and meanwhile the gripper 59 can be pulled and detached in the action direction perpendicular to the output end of the second power source 58; a side groove 62 is formed in the side portion of the clamping seat 56, and the height of the side groove 62 is greater than that of the accommodating cavity 57 and is communicated with the accommodating cavity 57; a baffle 63 is detachably connected to the side groove 62. Specifically, the second power source 58 is configured to push the holders 59 to center and clamp the drilling tool, when two holders 59 approach to and clamp the drilling tool, the holders 59 do not fully extend out of the accommodating cavity 57, in this embodiment, the cross section of the connecting slot 60 is preferably T-shaped, the connecting block 61 is preferably two cylindrical assemblies with different diameters, the cross section of each assembly is T-shaped, and the holders 59 can be quickly assembled or disassembled by means of the clamping fit between the connecting block 61 and the connecting slot 60, and specifically, the following steps are that: when the abrasion of the clamp 59 is serious and needs to be more, the baffle 63 can be detached by firstly loosening the bolts, then the clamp 59 can be directly pulled to move out of the clamp seat 56, and when the clamp 59 moves, the connecting block 61 and the connecting groove 60 slide relatively and can assist the clamp 59 to be stably pulled out, so that the clamp 59 can be quickly detached; when the clamp 59 is installed, the connecting groove 60 is only required to be aligned with the connecting block 61, then the clamp 59 is pushed to move and be installed in the accommodating cavity 57, finally the baffle 63 is fixed in the side groove 62 by bolts, and the baffle 63 is used for limiting the side part of the clamp 59, so that the clamp 59 is stably installed in the accommodating cavity 57, and the clamp 59 is prevented from moving along the width direction of the accommodating cavity 57 when the second power source 58 pushes the clamp 59 to move and clamp a drilling tool, so that the stability of the drilling tool in the using process is affected.

Referring to fig. 13, two pads 64 are fixedly connected in the accommodating chamber 57 along the height direction of the accommodating chamber 57, and the two pads 64 are respectively located at the upper and lower sides of the clamper 59 and are in surface contact with the clamper 59. Specifically, the two pads 64 cooperate to support and guide the movement of the gripper 59, facilitating the installation and removal of the gripper 59, and the pad 64 supporting the gripper 59 reduces the shear force experienced by the output of the second power source 58.

Referring to fig. 13 to 16, a third mounting plate 65 is fixedly connected to the clamping seat 56, and the third mounting plate 65 is located below the second power source 58; along the length direction of the clamping seat 56, a bottom groove 66 is formed in the bottom of the clamping seat 56, and a connecting plate 67 is detachably connected in the bottom groove 66 and used for transversely connecting two groups of clamping assemblies. Specifically, the third mounting plate 65 is bolted to the frame 2, so that the clamping holders 56 are mounted on the frame 2, the bottoms of the two clamping holders 56 are respectively provided with a bottom groove 66, the two bottom grooves 66 are bolted to the connecting plates 67, so that the two clamping holders 56 are transversely connected, the stability of mounting the clamping assembly is improved, and the connecting plates 67 are mounted in the bottom grooves 66, so that the overall height of the clamping assembly can be reduced, the overall height of the drilling machine is reduced, the field of view of an operator is increased, and the drilling machine is controlled by the operator.

Referring to fig. 13, 14 and 16, along the length direction of the clamping assembly, third connecting holes 68 are respectively formed in the third mounting plates 65 and the clamping seats 56 of the two groups of clamping assemblies, a sixth connecting piece 69 is jointly arranged in the third connecting holes 68 in a penetrating manner so as to transversely connect the two groups of clamping assemblies, a second limiting piece 70 is radially arranged at one end, extending out of the third mounting plates 65, of the sixth connecting piece 69 in a penetrating manner, a positioning sleeve 71 is sleeved on the outer circumferential surface of the sixth connecting piece 69, and the positioning sleeve 71 is positioned between the two groups of clamping assemblies. Specifically, in this embodiment, the second limiting member 70 may be a pin, the sixth connecting member 69 is used to transversely connect two groups of clamping assemblies, and the second limiting member 70 is radially disposed at the last protruding end of the sixth connecting member 69, so that the sixth connecting member 69 stably connects two clamping assemblies, the stability of the installation of the clamping assemblies is further improved, and the length of the positioning sleeve 71 and the length of the fourth connecting member 51 installed between the two groups of clamping assemblies can control the distance between the two clamping seats 56, so as to ensure that after the two clamping devices 59 approach to the clamping tool, the clamping devices 59 do not completely protrude out of the accommodating cavity 57, thereby avoiding the connection failure between the clamping devices 59 and the second power source 58.

When drilling holes with drilling tools with different diameters are replaced in a narrow coal mine underground, as the two groups of clamping assemblies are arranged on the frame 2 in a split mode, the top space between the two groups of clamping assemblies is opened, compared with the situation that the drilling tools can only be penetrated and assembled through a central hole when being clamped by the normally closed type and compound hydraulic clamp 59 in the prior art, the clamp 59 can directly put the drilling tools into the drilling machine clamp 23 from top to bottom for clamping and fixing when the drilling tools are assembled, and therefore the drilling tools can be installed without moving and adjusting the position of the drilling machine or integrally disassembling the drilling machine clamp 23 under the condition that the drilling machine power head 22 is arranged in front of a mineral body, and the convenience of drilling tool installation is improved.

The above embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention are intended to be within the scope of the present invention as claimed.

Claims (10)

1. The utility model provides a crawler-type drilling machine for colliery, includes the chassis, its characterized in that, the mounting groove has been seted up at the top of chassis, the both sides wall of mounting groove with form two echelonment mounting platform between the chassis, be first mounting platform and second mounting platform respectively, be provided with the frame on the second mounting platform, follow first mounting platform length direction on the first mounting platform interval in proper order install oil tank and first operation panel, oil tank bottom part unsettled in the top of mounting groove, fixedly connected with third mounting platform in the mounting groove, the oil filter has erect jointly on the third mounting platform with first mounting platform, the oil filter erect in the top of mounting groove, the oil tank first operation panel the oil filter with the frame adopts the modularization installation, and the bottom is in same horizontal installation height.

2. The crawler drilling machine for coal mines according to claim 1, wherein: the output of oil filter is provided with first coupling assembling, first coupling assembling stretches to the rear of first operation panel, first operation panel is fretwork form support body structure, just the place ahead fixedly connected with apron of first operation panel.

3. The crawler drilling machine for coal mines according to claim 1, wherein: the oil tank and the first operation platform are installed on the first installation platform at intervals, a pipeline installation space is formed between the oil tank and the first operation platform, and a second connecting component is arranged on the oil tank and located in the pipeline installation space.

4. The crawler drilling machine for coal mines according to claim 1, wherein: the top angle of the oil tank is provided with a notch, so that a stepped installation space is formed at the top angle of the oil tank and is used for installing the hydraulic pump.

5. The crawler drilling machine for coal mines according to claim 1, wherein: the chassis is characterized in that a first groove is formed in one end of the top of the chassis, a supporting component used for supporting the frame and rotating the chassis is arranged in the first groove in a sinking mode, and a jacking component used for jacking the frame is arranged on the side of the other end of the frame.

6. The crawler drilling machine for coal mines according to claim 5, wherein: the jacking assembly comprises a first power source arranged on the chassis and a connecting assembly arranged at the end part of the frame, wherein the output end of the first power source is hinged with the connecting assembly, one end, far away from the first groove, of the chassis is provided with a through hole, the through hole is exposed out of the frame, and the first power source is hinged in the through hole.

7. The crawler drilling machine for coal mines according to claim 6, wherein: the connecting assembly comprises two support plates, the two support plates are fixedly connected to the frame at intervals and close to one end of the first power source, a push rod is arranged between the two support plates in a penetrating mode, the push rod is hinged to the output end of the first power source, a support is fixedly connected to the top of the chassis, a connector is hinged to the support, a sliding rod is clamped on the connector, an anchor ear is arranged on the outer circumferential surface of the sliding rod, a third connecting piece is arranged on one side, close to the push rod, of the anchor ear, and the third connecting piece is in plug-in connection with the push rod.

8. The crawler drilling machine for coal mines according to claim 1, wherein: the machine frame is provided with a power head in a sliding mode, the power head comprises a main shaft, an oil supply channel is arranged on the main shaft, a hydraulic chuck and an oil supply assembly are arranged on the main shaft in a split mode, and the oil supply assembly can continuously provide hydraulic oil for the hydraulic chuck to clamp a drilling tool through the oil supply channel.

9. The crawler drilling machine for coal mines according to claim 8, wherein: the oil supply assembly comprises an oil distribution sleeve body and a main shaft end cover, wherein the oil distribution sleeve body and the main shaft end cover are sleeved on the outer circumferential surface of the main shaft, the main shaft end cover is fixedly connected with the reduction gearbox body and used for supporting the main shaft, and the main shaft end cover is covered on the outer side of the oil distribution sleeve body and used for protecting the oil distribution sleeve body.

10. The crawler drilling machine for coal mines according to claim 1, wherein: the clamping device is characterized in that a clamping device is fixedly connected to the frame and located in front of the power head, the clamping device comprises two groups of clamping assemblies which are symmetrically arranged, the two groups of clamping assemblies are installed on the frame in a split mode, the clamping assemblies are matched with the two groups of clamping assemblies to clamp drilling tools in a centering mode, the top space between the two groups of clamping assemblies is open, and the drilling tools can be installed in the two groups of clamping assemblies from top to bottom.