CN211819233U - Crawler-type full-hydraulic tunnel drilling machine for coal mine and host assembly thereof - Google Patents

Abstract

The utility model discloses a full-hydraulic gallery rig of crawler-type for coal mine and host computer assembly thereof, including first rotating assembly, stand assembly, second rotating assembly, third rotating assembly and drill bit subassembly, the rolling plane of first rotating assembly is on a parallel with the upper surface of rig platform. The lower end of the upright post assembly is connected with the rotating part of the first rotating assembly. The stand assembly includes column arm and crossbeam, and the crossbeam transversely locates the front end of column arm. The second rotating assembly is arranged between the column arm and the cross beam, and the third rotating assembly is arranged on the cross beam. The drill bit assembly comprises a support rail and a drill bit assembly, the support rail is connected with the rotating part of the third rotating assembly, and the drill bit assembly is arranged above the support rail. The utility model discloses rig and host computer assembly can not only realize the drilling into to each position, and the drill bit of rig subassembly can keep always in the top of supporting the rail, and can not appear hanging the condition in the below, has avoided because the whole hoist and mount of rig drill bit is at the wearing and tearing of the connecting piece that the supporting guide below caused.

Description

Crawler-type full-hydraulic tunnel drilling machine for coal mine and host assembly thereof

Technical Field

The utility model relates to a rig technical field, concretely relates to full-hydraulic gallery rig of crawler-type for coal mine and host assembly thereof.

Background

The drilling machine for the coal mine is used for underground drilling of the coal mine and mainly comprises a platform, a track, a control console, a rotary part, a hydraulic system, a jacking oil cylinder, a main machine drill bit and the like. The drilling machine in the prior art adopts one to two sets of rotary parts to adjust the position, for example, a hydraulic 360-degree space spherical all-dimensional gallery drilling machine for coal mines disclosed in the patent CN205330538U, wherein a set of rotary structures are respectively arranged below and on the side of a main machine, and although the structure can realize drilling in multiple directions, the problem easily occurs in connection between the drill bit of the main machine and the supporting structure of the main machine. For example, with fig. 1 of the patent as the first drilling station, the right side of the drilling machine can be drilled, and the main machine drill bit is entirely located above the support structure. When drilling needs to be carried out on the left side of the drilling machine, the second rotary mechanism located on the side of the main machine needs to rotate 180 degrees to align the drill bit to the left side of the drilling machine, the whole drill bit of the main machine is located below the supporting structure, actually, the whole drill bit of the main machine is hung under the supporting structure, and external force applied during working is added, so that large force is inevitably applied to the joint of the drill bit of the main machine and the supporting structure, the rotary structure can bear large force, the rotary structure used by the drilling machine in the prior art is also located only by a transmission part, and safety guarantee is not provided. The junction of host computer drill bit and bearing structure adopts connecting pieces such as guide rail and bolt to connect usually, consequently, prior art's rig when carrying out position control to the host computer drill bit, can appear that the host computer drill bit wholly hangs the condition in bearing structure's below, has the problem that causes the junction to damage easily, appears the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

In view of this, for the utility model discloses an aim at provides a full-hydraulic gallery rig of crawler-type for coal mine and host assembly thereof.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model relates to a host assembly of full-hydraulic gallery rig of crawler-type for coal mine, including first rotating assembly and locate stand assembly, second rotating assembly, third rotating assembly and the drill bit subassembly on the first rotating assembly, the rolling plane of first rotating assembly is on a parallel with the upper surface of rig platform.

The lower end of the column assembly is connected with the rotating part of the first rotating assembly and is used for supporting and adjusting the position of the drill bit assembly. The stand assembly includes column arm and crossbeam, and the crossbeam transversely locates the front end of column arm. The second rotating assembly is arranged between the column arm and the cross beam and drives the cross beam to rotate, and the rotating surface of the second rotating assembly is perpendicular to the rotating surface of the first rotating assembly.

The third rotating assembly is arranged on the cross beam, and the rotating surface of the third rotating assembly is perpendicular to the rotating surface of the second rotating assembly.

The drill bit assembly comprises a support rail and a drill bit assembly, the support rail is connected with the rotating part of the third rotating assembly, and the drill bit assembly is arranged above the support rail.

Furthermore, the upright post assembly also comprises a plurality of fixed rods, a jacking oil cylinder and a jacking oil cylinder, wherein the lower ends of the fixed rods are connected with the rotating part of the first rotating assembly and are vertical to the rotating surface of the first rotating assembly; the lower end of the jacking oil cylinder is accommodated in the fixed rod, and the column arm is sleeved outside the fixed rod; the lower extreme of jacking cylinder is connected with first rotating assembly's rotating part, and the upper end and the column arm of jacking cylinder are connected, and jacking cylinder drives the column arm along dead lever elevating movement.

Furthermore, an accommodating cavity with an upward opening is formed in the fixed rod, a cylinder body of the jacking oil cylinder is arranged in the accommodating cavity, and the jacking oil cylinder is detachably connected with the fixed rod; the whole fixed rod is of a hollow tubular structure, a limiting step is arranged on the inner wall of the fixed rod and is positioned below the accommodating cavity, and the inner diameter of the fixed rod close to the lower end is smaller than that of the accommodating cavity so as to form the limiting step; when the jacking oil cylinder is installed behind the containing cavity, the lower end of the jacking oil cylinder is limited and supported by the limiting ladder.

Furthermore, the jacking oil cylinder further comprises a locking nut, the cross section of the locking nut is L-shaped, the upper end of the limiting sleeve is bent and then arranged between the locking nut and the top of the cylinder body, the inner wall of one end of the locking nut is in threaded fit with the outer wall of the cylinder body, and the other end of the locking nut is in compression fit with the upper end of the limiting sleeve.

Furthermore, a first guide sleeve and a second guide sleeve which are sleeved on the fixed rod are arranged on one side surface of the column arm close to one end; the second guide sleeve is provided with a locking positioning structure, the locking positioning structure comprises a locking ring, the locking ring is of a tubular structure, an opening is formed in the side wall of the locking ring along the vertical direction, and a locking part is arranged on the outer wall of the locking ring close to the opening; the locking piece is of a tubular structure, and the axis of the locking piece is perpendicular to the axis of the second guide sleeve; the column arm is provided with a through hole corresponding to the locking piece, and the axis of the through hole is superposed with the axis of the locking piece; still be equipped with the bolt of through connection perforation and retaining member on the column arm, when the nut of screwing up the bolt, drive the retaining member and hold tightly the dead lever and realize the locking location, when the nut of unscrewing the bolt, separation between retaining member and the dead lever.

Furthermore, the number of the column arms is one pair, and the pair of column arms are symmetrically arranged at two ends of the cross beam; the other end of the column arm is inclined downwards and extends to correspond to the cross beam, and a first mounting part for mounting a second rotating assembly is formed together; a second mounting part for mounting a third rotating assembly is arranged on the cross beam; a circle of mounting holes distributed along the circumferential direction are formed in the first mounting part and the second mounting part, and the fixing bolts penetrate through the mounting holes and then are connected with the rotating part or the shell of the rotating assembly; and a plurality of safety lock holes penetrating through the column arms or the cross beams are oppositely arranged in the middle of the mounting hole.

Furthermore, the second rotating assembly and the third rotating assembly comprise protection locking structures, each protection locking structure comprises a locking flange and a T-shaped groove limiting bolt, and the locking flange is connected with the inner side of a rotating disc of the rotating assembly; the locking flange plate is provided with a limiting hole with the cross section shape and the size matched with the shape and the size of the head of the T-shaped groove limiting bolt, the head of the T-shaped groove limiting bolt is in limiting fit with the limiting hole, and the screw part of the T-shaped groove limiting bolt deviates from the direction of the rotary disc, protrudes and extends through the safety lock hole and then is connected with the screw cap.

Furthermore, the limiting hole is an annular limiting hole formed along the circumference, and the circumference is concentric with the rotary table; the locking flange plate comprises a first locking flange and a second locking flange, and a limiting hole is formed between the first locking flange and the second locking flange.

The utility model also provides a full-hydraulic gallery rig of crawler-type for coal mine, including aforementioned host assembly.

Furthermore, the drilling machine also comprises a supporting hydraulic cylinder, and the supporting hydraulic cylinder is arranged below one end of the drilling machine platform, which is used for supporting the host machine assembly; the cylinder body comprises an upper body and a lower body, the outer diameter of the upper body is smaller than that of the lower body, and the connecting plate is sleeved on the upper body; be equipped with the screw thread on the outer wall of the body of going up that is close to the lower part of the body department, the connecting plate is established at the body of going up through screw-thread fit cover: the connecting plate is provided with a circular ring hole, the inner wall of the circular ring hole of the connecting plate is provided with a thread which is matched and connected with the upper body, the connecting plate is provided with a plurality of connecting holes along the circumferential direction, and the supporting hydraulic cylinder is fixedly connected with the drilling machine platform through the connecting plate.

The beneficial effects of the utility model reside in that: the utility model discloses rig and host computer assembly thereof, through setting up three rotary component of group, and combine other structures, make the rig can not only realize the drilling into to each position, and the drill bit of rig subassembly can keep always in the top of supporting the rail, and can not appear hanging the condition in the below, avoided because the whole wearing and tearing of hoisting the connecting piece that causes in the supporting rail below of rig drill bit, prolonged the life of equipment, thereby can reduce cost of maintenance, and can avoid because the emergence of the incident that wearing and tearing caused.

Drawings

In order to make the purpose, technical scheme and beneficial effect of the utility model clearer, the utility model provides a following figure explains:

fig. 1 is the utility model discloses a host assembly stereogram of full-hydraulic gallery rig of crawler-type for coal mine.

Fig. 2 is a sectional view of the jacking cylinder and the fixing rod after being assembled.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Fig. 4 is a partially enlarged view of fig. 2 at B.

Fig. 5 is a perspective view of the assembled column assembly, second rotating component, and third rotating component.

Fig. 6 is a perspective view of the column arm.

FIG. 7 is a schematic cross-sectional view of a rotating assembly with a protective locking structure.

Fig. 8 is a schematic view of a swivel assembly with a protective lock mounted between a column arm and a beam.

Fig. 9 is a perspective view of the drill.

Fig. 10 is a cross-sectional view of the support cylinder.

Fig. 11 is a partial enlarged view at C in fig. 10.

In the drawing, 1 is a first rotating component, 2 is a column assembly, 3 is a second rotating component, 4 is a third rotating component, 5 is a drill bit component, 20 is a column arm, 21 is a beam, 50 is a support rail, 51 is a drill bit assembly, 22 is a fixing rod, 23 is a jacking cylinder, 24 is a jacking cylinder, 220 is a containing cavity, 221 is a limit step, 231 is a limit sleeve, 232 is a lock nut, 200 is a first guide sleeve, 201 is a second guide sleeve, 202 is a locking ring, 203 is an opening, 204 is a locking member, 205 is a through hole, 206 is a safety lock hole, 60 is a locking flange, 61 is a T-shaped groove limit bolt, 62 is a limit hole, 63 is a turntable, 7 is a support hydraulic cylinder, 70 is an upper body, 71 is a lower body, and 72 is a connecting plate.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

As shown in fig. 1, the utility model relates to a host assembly of full-hydraulic gallery rig of crawler-type for coal mine, including first rotating component 1 and locate stand assembly 2, second rotating component 3, third rotating component 4 and drill bit subassembly 5 on the first rotating component 1, the rolling plane of first rotating component 1 is on a parallel with the upper surface of rig platform. The first rotating component 1 is used for driving the upright post assembly 2, the second rotating component 3, the third rotating component 4 and the drill bit component 5 which are borne by the first rotating component to rotate, and the upright post assembly 2, the second rotating component 3, the third rotating component 4 and the drill bit component 5 can be adjusted to any required positions in front of the drilling machine, on the left side, the right side, the upper side and the lower side of the drilling machine.

The lower end of the upright post assembly 2 is connected with the rotating part of the first rotating component 1, the upright post assembly 2 comprises a post arm 20 and a cross beam 21, and the cross beam 21 is transversely arranged at the front end of the post arm 20; the second rotating assembly 3 is arranged between the column arm 20 and the cross beam 21, the second rotating assembly 3 drives the cross beam 21 to rotate, and the rotating surface of the second rotating assembly 3 is perpendicular to the rotating surface of the first rotating assembly 1.

The third rotating assembly 4 is arranged on the cross beam 21, and the rotating surface of the third rotating assembly 4 is perpendicular to the rotating surface of the second rotating assembly 3.

The drill bit assembly 5 is arranged on the third rotating assembly 4, and the third rotating assembly 4 drives the drill bit assembly 5 to integrally rotate. The drill head assembly 5 includes a support rail 50 and a drill head assembly 51, the support rail 50 is connected to the rotating portion of the third rotating assembly 4, and the drill head assembly 51 is disposed above the support rail 50.

When the drilling machine is actually used, the drilling machine is parked at a working position, when the drilling machine works, the first rotating assembly 1 rotates on the horizontal plane as a reference plane, and the first rotating assembly 1 rotates around the horizontal plane to drive all parts on the first rotating assembly to rotate and adjust integrally along the horizontal direction; when the second rotating assembly 3 rotates, the drill bit of the drilling machine can be adjusted to drill in the right front direction, the inclined downward direction or the upward direction and the like; similarly, the third rotating assembly 4 can also adjust the position of the drill bit of the drilling machine. The first rotating assembly 1, the second rotating assembly 3 and the third rotating assembly 4 can rotate independently or simultaneously or sequentially according to actual conditions to adjust the position of the drill bit assembly 5, so that multi-directional drilling is realized. In addition, no matter how to adjust the position of the drill bit component 5, the drill bit assembly 51 of the drill bit component 5 is always kept above the support rail 50, and the condition that the drill bit assembly is hung below the support rail 50 cannot occur, so that the abrasion of a connecting piece caused by the fact that the drill bit assembly 51 is integrally hung below the support rail 50 is avoided, the service life of equipment is prolonged, the maintenance cost can be reduced, and the safety accident caused by the abrasion can be avoided.

In this embodiment, the rotating assembly can rotate clockwise or counterclockwise, the rotation plane refers to a plane where the rotating assembly is connected with other components to drive the other components to rotate in a certain direction, for example, the first rotating assembly 1 is disposed on the upper surface of the drilling platform, and the rotation plane is parallel to the upper surface of the drilling platform.

Referring to fig. 2, the column assembly 2 further includes a plurality of fixing rods 22, a jacking cylinder 23 and a jacking cylinder 24, wherein the lower ends of the fixing rods 22 are connected to the rotating portion of the first rotating member 1 and perpendicular to the rotating surface of the first rotating member 1. The lower end of the jacking oil cylinder 23 is accommodated in the fixing rod 22, and the column arm 20 is sleeved outside the fixing rod 22. The lower end of the jacking oil cylinder 24 is connected with the rotating part of the first rotating component 1, the upper end of the jacking oil cylinder 24 is connected with the column arm 20, and the jacking oil cylinder 24 drives the column arm 20 to move up and down along the fixing rod 22 so as to realize the adjustment of the integral lifting of the upright column assembly 2 and the components carried by the upright column assembly in the vertical direction.

Be equipped with the cavity 220 that holds of upwards open-ended in dead lever 22, the cylinder body of top tight hydro-cylinder 23 is located and is held in the cavity 220, is detachable connection between top tight hydro-cylinder 23 and the dead lever 22, forms detachable rig jacking device jointly, and top tight hydro-cylinder 23 holds within dead lever 22 with the mode of placing promptly, forms separable, detachable connected mode between the two.

Referring to fig. 3, the fixing rod 22 is a hollow tubular structure, the inner wall of the fixing rod 22 is provided with a limiting step 221, the limiting step 221 is located below the accommodating cavity 220, and the inner diameter of the fixing rod 22 near the lower end is smaller than the inner diameter of the accommodating cavity 220 to form the limiting step 221; when the jacking cylinder 23 is installed in the accommodating cavity 220, the limiting step 221 limits and supports the lower end of the jacking cylinder 23. The biggest external diameter of the cylinder body of the tight hydro-cylinder 23 in top matches with the internal diameter that holds the chamber 220, as long as make the tight hydro-cylinder 23 in top place can not take place the left and right rocking after holding the chamber 220 and rock, make the tight hydro-cylinder 23 in top just can hold down to in the tight hydro-cylinder 23 in top steady operation. When the jacking cylinder 23 is installed in the accommodating cavity 220, the upper end of the cylinder body of the jacking cylinder 23 protrudes upwards relative to the top of the fixed rod 22. As shown in the drawings, in the present embodiment, most of the structure of the jacking cylinder 23 is accommodated in the accommodating cavity 220, so that the installation stability of the jacking cylinder 23 can be ensured.

In the above structure, the lower end of the fixing rod 22 can be fixed on the platform of the drilling machine through a bolt, and when the drilling machine works normally and is not subjected to external destructive force, the fixing rod 22 is not damaged normally, so that the fixing rod 22 does not need to be disassembled normally. Even if the jacking oil cylinder 23 is damaged and needs to be maintained or replaced, the jacking oil cylinder 23 can be taken out of the fixing rod 22 only by using a hoisting tool, so that the operation is very convenient, and professional maintenance personnel are not required to use a professional disassembling tool. The jacking oil cylinder 23 can be maintained or replaced after being taken out, and when the jacking oil cylinder 23 is installed again, the jacking oil cylinder 23 only needs to be directly hoisted into the fixed rod 22, and complex installation procedures are not needed. Therefore, time cost and labor cost for maintenance or replacement can be saved as a whole, efficiency is improved, and cost for maintenance or replacement can also be saved. Compared with the traditional mode, if the jacking oil cylinder 23 is damaged, the maintenance or replacement cost of the jacking oil cylinder 23 can be reduced by 3-5 times compared with the traditional mode.

As shown in fig. 4, the tightening cylinder 23 includes a piston rod and a stopper 231, and the stopper 231 is disposed between the piston rod and the inner wall of the cylinder body near the top of the cylinder body.

The jacking oil cylinder 23 further comprises a locking nut 232, the cross section of the locking nut 232 is L-shaped, the upper end of the limiting sleeve 231 is bent and then arranged between the top of the locking nut 232 and the top of the cylinder body, the inner wall of one end of the locking nut 232 is in threaded fit with the outer wall of the cylinder body, and the other end of the locking nut 232 is in compression fit with the upper end of the limiting sleeve 231 to limit the piston rod and prevent dust.

As shown in fig. 5, a first guide sleeve 200 and a second guide sleeve 201 which are sleeved on the fixing rod 22 are arranged on one side surface of the column arm 20 near one end, a connecting portion connected with a piston rod of the jacking cylinder 24 is arranged between the first guide sleeve 200 and the second guide sleeve 201, and axes of the first guide sleeve 200 and the second guide sleeve 201 are arranged along a vertical direction. The internal diameter of first uide bushing 200 and second uide bushing 201 and the external diameter phase-match of fixing to can guarantee that the drift can not appear when post arm 20 wholly goes up and down, guarantee the stability and the accurate nature of going up and down.

Referring to fig. 6, the second guide sleeve 201 is provided with a locking positioning structure, the locking positioning structure includes a locking ring 202, the locking ring 202 is a tubular structure and is provided with an opening 203 on a sidewall thereof in a vertical direction, and a locking member 204 is provided on an outer wall of the locking ring 202 near the opening 203. The retaining member 204 is a tubular structure, and the axis of the retaining member 204 is perpendicular to the axis of the second guide sleeve 201. In a natural state, the opening 203 is opened, the inner wall of the locking ring 202 is in clearance fit with the outer surface of the upright post of the drilling machine at the moment, namely, the locking ring is in an unlocked state, and the whole guide sleeve can freely lift up and down along the fixed rod 22 of the drilling machine. When locking and positioning are needed, the distance of the opening 203 is reduced under the action of external force, so that the locking ring 202 embraces the fixing rod 22, and the locking and positioning functions are realized. So, when jacking cylinder 24 drove the column arm lift to a certain operating position, make column arm and other parts that bear fix a position through locking location structure, need not to rely on only jacking cylinder 24's strength to fix a position, reduced jacking cylinder 24's load, guaranteed safety, and can realize the dual location, when jacking cylinder 24 or locking location structure in a certain location inefficacy, another kind also can play the effect of location, realized multiple safety guarantee, ensure safety in production.

A through hole 205 is formed in the column arm 20 corresponding to the retaining member 204, and the axis of the through hole 205 is coincident with the axis of the retaining member 204; the column arm 20 is further provided with a bolt penetrating through the through hole 205 and the locking member 204, when the nut of the bolt is tightened, the locking member 204 is driven to hug the fixing rod 22 to realize locking and positioning, and when the nut of the bolt is loosened, the locking member 204 is separated from the fixing rod 22. In practice, a bolt may be used as a fitting of the locking member 204, for example, a screw portion of the bolt sequentially passes through the through hole 205 and the central hole of the locking member 204, a thread may be provided on an inner wall of the central hole of the locking member 204, or a nut may be additionally provided to cooperate with the bolt, and the size of the opening 203 is increased or decreased by rotating the bolt, so as to achieve the locking or releasing of the locking ring 202.

In the present embodiment, the number of the column arms 20 is one pair, and the pair of column arms 20 is symmetrically provided at both ends of the cross member 21. The other end of the column arm 20 extends downward and corresponds to the cross member 21, and together form a first mounting portion for mounting the second rotating assembly 3. The cross member 21 is provided with a second mounting portion for mounting the third rotating unit 4. The first installation part and the second installation part are provided with a circle of installation holes distributed along the circumferential direction, and the fixing bolt penetrates through the installation holes and then is connected with the rotating part or the shell of the rotating assembly. A plurality of safety lock holes 206 penetrating through the column arm 20 or the cross beam 21 are arranged in the middle of the mounting hole.

In the present embodiment, other conventional structures and installation manners in the rotating assembly can be adopted by common means, for example, the gyrator in the rotating assembly is of a motor-driven worm-gear type, and therefore, the details are not described.

As shown in fig. 7, the second rotating unit 3 and the third rotating unit 4 include a protection locking structure, the protection locking structure includes a locking flange 60 and a T-shaped groove limit bolt 61, and the locking flange 60 is connected with the inner side of a turntable 63 of the rotating unit. The turntable 63 is connected to a driving mechanism of the gyrator to rotate, and may be a rotating structure of the gyrator itself, and the rotating structure is connected to other external components to drive the other components to rotate, or may be a synchronously rotating disk additionally provided to the rotating structure.

The locking flange plate 60 is provided with a limiting hole 62 with the cross section shape and the size matched with the shape and the size of the head of the T-shaped groove limiting bolt 61, the head of the T-shaped groove limiting bolt 61 is in limiting fit with the limiting hole 62, and the screw part of the T-shaped groove limiting bolt 61 protrudes in the direction deviating from the turntable 63, extends through the safety lock hole 206 and then is connected with a nut.

During the in-service use, with the nut end one end spacing of T type groove limit bolt 61, receive external force when T type groove limit bolt 61 and make between the spiro union end of T type groove limit bolt 61 and the locking flange dish 60 in close contact with the cooperation form the locking force, locking flange dish 60 can not remove relative to the spacing bolt of T type groove this moment, and locking force makes locking flange dish 60 and carousel 63 unable rotation promptly. Conversely, when the T-slot stop bolt 61 is disengaged from the locking flange 60, both the locking flange 60 and the turntable 63 can rotate on their own.

In the present embodiment, the stopper hole 62 is an annular stopper hole 62 formed along a circumference concentric with the turntable 63. The extended length of the annular limiting hole 62 can be set according to the angle of rotation required by the gyrator, for example, along the whole circumference or part of the circumference. The number of the T-shaped groove limit bolts 61 may be set to one or more.

The locking flange 60 includes a first locking flange and a second locking flange defining a spacing aperture 62 therebetween.

As shown in fig. 8, taking the installation of the gyrator between the column arm and the beam 21 of the drilling machine as an example, the turntable 63 is fixedly connected with the beam 21, the gyrator housing is fixedly connected with the column arm 20 through bolts, the locking flange 60 is fixedly installed on the inner side of the turntable 63 through bolts, the locking flange 60 is provided with a T-shaped limiting hole 62, the head of the T-shaped groove limiting bolt 61 is accommodated in the T-shaped limiting hole 62, the column arm is provided with a safety lock hole 206 corresponding to the T-shaped groove limiting bolt 61, and a screw of the T-shaped groove limiting bolt 61 is sleeved with a nut after passing through the safety lock hole 206. When the gyrator needs to rotate, the nut of the T-shaped groove limiting bolt 61 is unscrewed, at the moment, the head of the T-shaped groove limiting nut and the locking flange plate 60 are in a loose state, and the turntable 63 and the locking flange plate 60 can rotate under the driving of the driving mechanism of the gyrator; after the adjustment is carried out to a certain position and the adjustment is stopped, only the nut of the T-shaped groove limiting bolt 61 needs to be screwed from the outer side of the column arm 20 at the moment, so that the head of the T-shaped groove limiting bolt 61 is in close contact with the locking flange plate 60 to form locking force, and at the moment, supporting force can be formed between the T-shaped groove limiting bolt 61 and the locking flange plate 60 to share the supporting force required to be born by part of the gyrator.

Because the main engine assembly in this embodiment can realize drilling in each position, each rotating assembly not only receives self and the weight that bears, still must receive the external force of all directions, through the setting of above-mentioned structure, has reduced the atress of the inside transmission teeth of a cogwheel of gyrator to reduce the wearing and tearing risk of gyrator inner structure among the rotating assembly, increased a heavy safety guarantee.

Of course, a protection locking structure may be provided in the first rotating assembly 1, and a safety locking hole may be correspondingly provided in the drilling platform.

As shown in fig. 9, the utility model also provides a full-hydraulic gallery rig of crawler-type for coal mine, including aforementioned host assembly.

With reference to fig. 10 and 11, the drilling machine further includes a supporting hydraulic cylinder 7, and the supporting hydraulic cylinder 7 is disposed below one end of the drilling machine platform for supporting the main machine assembly; the cylinder body of the supporting hydraulic cylinder 7 comprises an upper body 70 and a lower body 71, the outer diameter of the upper body 70 is smaller than that of the lower body 71, the supporting hydraulic cylinder also comprises a connecting plate 72, and the connecting plate 72 is sleeved on the upper body 70; be equipped with the screw thread on the outer wall of the lower part of the body 70 department of being close to the lower part of the body 71, the connecting plate 72 is established at the upper part of the body 70 through screw thread fit cover: the connecting plate 72 is provided with a circular ring hole, the inner wall of the circular ring hole of the connecting plate 72 is provided with threads which are matched and connected with the upper body 70, the connecting plate 72 is provided with a plurality of connecting holes along the circumferential direction, and the supporting hydraulic cylinder 7 is fixedly connected with the drilling machine platform through the connecting plate 72. Other structures and working principles of the supporting hydraulic cylinder 7 are the same as or similar to those of the existing hydraulic cylinder, for example, common hydraulic cylinders can be referred to for structures such as sealing structures and half rings, and are not described herein again. The support hydraulic cylinder 7 is arranged below the drilling machine platform, so that the occupied space on the side of the drilling machine is saved, and the drill bit is randomly adjusted under the driving of the gyrator due to the arrangement below the platform, the adjustment of the position of the drill bit cannot be hindered, and the hydraulic cylinder is prevented from colliding or interfering with other parts when the gyrator in the drilling machine host adjusts the drill bit of the drilling machine.

It should be noted that, in the present embodiment, other structures that are not described in detail of various components such as the hydraulic cylinder, the gyrator, the drill bit assembly and the like may be implemented by conventional means, and of course, structures including a hydraulic system of the drilling machine, a pump station, an operation console, a tool box, a crawler and the like may also be implemented by conventional means, and are not described herein again.

The utility model discloses rig and host computer assembly thereof, through setting up three rotary component of group, and combine other structures, make the rig can not only realize the drilling into to each position, and the drill bit of rig subassembly can keep always in the top of supporting the rail, and can not appear hanging the condition in the below, avoided because the whole wearing and tearing of hoisting the connecting piece that causes in the supporting rail below of rig drill bit, prolonged the life of equipment, thereby can reduce cost of maintenance, and can avoid because the emergence of the incident that wearing and tearing caused.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

In the description of the present invention, it should be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, when referring to the orientation or positional relationship indicated in the drawings, are used for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention. Furthermore, the appearances of the terms "first," "second," and the like, if any, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Claims (10)

1. The utility model provides a host assembly of full-hydraulic gallery rig of crawler-type for coal mine which characterized in that: the drilling machine comprises a first rotating component, and an upright post assembly, a second rotating component, a third rotating component and a drill bit component which are arranged on the first rotating component, wherein the rotating surface of the first rotating component is parallel to the upper surface of a drilling machine platform;

the lower end of the upright post assembly is connected with the rotating part of the first rotating component, the upright post assembly comprises a post arm and a cross beam, and the cross beam is transversely arranged at the front end of the post arm; the second rotating assembly is arranged between the column arm and the cross beam and drives the cross beam to rotate, and the rotating surface of the second rotating assembly is perpendicular to the rotating surface of the first rotating assembly;

the third rotating assembly is arranged on the cross beam, and the rotating surface of the third rotating assembly is perpendicular to the rotating surface of the second rotating assembly;

the drill bit assembly is arranged on the third rotating assembly and comprises a support rail and a drill bit assembly, the support rail is connected with the rotating part of the third rotating assembly, and the drill bit assembly is arranged above the support rail.

2. The main engine assembly of the crawler-type full-hydraulic tunnel drilling machine for the coal mine according to claim 1, wherein: the upright post assembly further comprises a plurality of fixing rods, a jacking oil cylinder and a jacking oil cylinder, wherein the lower ends of the fixing rods are connected with the rotating part of the first rotating assembly and are perpendicular to the rotating surface of the first rotating assembly; the lower end of the jacking oil cylinder is accommodated in the fixed rod, and the column arm is sleeved outside the fixed rod; the lower extreme of jacking cylinder with first rotating assembly's rotating part is connected, jacking cylinder's upper end with the column arm is connected, jacking cylinder drives the column arm is followed the dead lever lift removal.

3. The main engine assembly of the crawler-type full-hydraulic tunnel drilling machine for the coal mine according to claim 2, wherein: an accommodating cavity with an upward opening is formed in the fixed rod, a cylinder body of the jacking oil cylinder is arranged in the accommodating cavity, and the jacking oil cylinder is detachably connected with the fixed rod; the fixing rod is integrally of a hollow tubular structure, a limiting step is arranged on the inner wall of the fixing rod and located below the accommodating cavity, and the inner diameter of the fixing rod close to the lower end is smaller than that of the accommodating cavity so as to form the limiting step; when the jacking oil cylinder is installed behind the containing cavity, the lower end of the jacking oil cylinder is limited and supported by the limiting ladder.

4. The main engine assembly of the crawler-type full-hydraulic tunnel drilling machine for the coal mine according to claim 3, wherein: the jacking oil cylinder further comprises a piston rod, a limiting sleeve and a locking nut, wherein the limiting sleeve is arranged between the piston rod and the inner wall of the cylinder body close to the top of the cylinder body; the jacking oil cylinder further comprises a locking nut, wherein the cross section of the locking nut is L-shaped, the upper end of the limiting sleeve is bent and then is arranged between the locking nut and the top of the cylinder body, the inner wall of one end of the locking nut is in threaded fit with the outer wall of the cylinder body, and the other end of the locking nut is in compression fit with the upper end of the limiting sleeve.

5. The main engine assembly of the crawler-type full-hydraulic tunnel drilling machine for the coal mine according to claim 2, wherein: a first guide sleeve and a second guide sleeve which are sleeved on the fixed rod are arranged on one side surface of the column arm close to one end; the second guide sleeve is provided with a locking positioning structure, the locking positioning structure comprises a locking ring, the locking ring is of a tubular structure, an opening is formed in the side wall of the locking ring along the vertical direction, and a locking piece is arranged on the outer wall of the locking ring close to the opening; the locking piece is of a tubular structure, and the axis of the locking piece is perpendicular to the axis of the second guide sleeve; a through hole is formed in the column arm corresponding to the locking piece, and the axis of the through hole is overlapped with the axis of the locking piece; still be equipped with through connection on the column arm the perforation with the bolt of retaining member, when the nut of screwing up the bolt, drive the retaining member and hold tightly the dead lever realizes the locking location, when the nut of unscrewing the bolt, separates between retaining member and the dead lever.

6. The main engine assembly of the crawler-type full-hydraulic tunnel drilling machine for the coal mine according to claim 5, wherein: the number of the column arms is one pair, and the pair of column arms are symmetrically arranged at two ends of the cross beam; the other end of the column arm extends downwards and corresponds to the cross beam, and a first mounting part for mounting the second rotating assembly is formed together; a second mounting part for mounting the third rotating assembly is arranged on the cross beam; a circle of mounting holes distributed along the circumferential direction are formed in the first mounting part and the second mounting part, and fixing bolts penetrate through the mounting holes and then are connected with the rotating part or the shell of the rotating assembly; and a plurality of safety lock holes penetrating through the column arms or the cross beams are oppositely arranged in the middle of the mounting hole.

7. The main engine assembly of the crawler-type full-hydraulic tunnel drilling machine for the coal mine according to claim 6, wherein: the second rotating assembly and the third rotating assembly comprise protection locking structures, each protection locking structure comprises a locking flange plate and a T-shaped groove limiting bolt, and the locking flange plates are connected with the inner sides of the turntables of the rotating assemblies; be equipped with cross sectional shape and size on the locking flange dish be with the head shape and the spacing hole of size assorted of the spacing bolt of T type groove, the head of the spacing bolt of T type groove with spacing hole spacing cooperation, the screw portion of the spacing bolt of T type groove deviates from the direction protrusion extension of carousel is connected with the nut behind the safety lock hole.

8. The main engine assembly of the crawler-type full-hydraulic tunnel drilling machine for the coal mine according to claim 7, wherein: the limiting hole is an annular limiting hole formed along the circumference, and the circumference is concentric with the rotary table; the locking flange plate comprises a first locking flange and a second locking flange, and the limiting hole is formed between the first locking flange and the second locking flange.

9. The utility model provides a full-hydraulic gallery rig of crawler-type for coal mine which characterized in that: comprising the host assembly of any one of claims 1 to 8.

10. The crawler-type full-hydraulic tunnel drilling machine for coal mines as set forth in claim 9, wherein: the support hydraulic cylinder is arranged below one end of the drilling machine platform, which is used for supporting the host machine assembly; the cylinder body of the supporting hydraulic cylinder comprises an upper body and a lower body, the outer diameter of the upper body is smaller than that of the lower body, the supporting hydraulic cylinder also comprises a connecting plate, and the connecting plate is sleeved on the upper body; the upper part of the body is close to be equipped with the screw thread on the outer wall of lower part of the body department, the connecting plate passes through the screw thread cooperation cover and establishes the upper part of the body: the connecting plate is provided with a circular ring hole, the inner wall of the circular ring hole of the connecting plate is provided with threads which are matched and connected with the upper body, the connecting plate is provided with a plurality of connecting holes along the circumferential direction, and the supporting hydraulic cylinder is fixedly connected with the drilling machine platform through the connecting plate.

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