CN222976753U - A milling machine for rotary drilling rig - Google Patents

Abstract

The utility model discloses a milling and digging machine for a rotary drilling rig, which comprises two power head assemblies, wherein wing plates are fixedly arranged on the front side and the rear side of the lower part of a base, the two power head assemblies are positioned between the two wing plates, the two power head assemblies are respectively and movably hinged to the two ends of the wing plates, cutting wheels are rotatably arranged on the front side and the rear side of the lower end of the power head assembly, a hydraulic motor for driving the cutting wheels to rotate is arranged on one side of the power head assembly, two positioning plates are fixedly arranged on the outer sides of the wing plates, a plurality of distance-adjusting threaded holes are formed in the surfaces of the positioning plates, and the positioning plates are fixedly connected with the power head assemblies at corresponding positions through bolts. The position of the bolt on the positioning plate is adjusted according to the requirement, so that the inclination angle of the two power head assemblies is adjusted, the drilling machine is suitable for drilling pile holes with different sizes, the whole power head assembly is not required to be removed, the working efficiency is improved, and the hydraulic motor and the transmission chain are arranged outside, so that the hydraulic motor is convenient to detach and maintain, and the service life is prolonged.

Description

Milling and digging machine for rotary drilling rig

Technical Field

The utility model relates to the technical field of milling and digging machines, in particular to a milling and digging machine for a rotary drilling rig.

Background

The milling and digging machine is a working device arranged on the hydraulic excavator, and can efficiently replace the general configuration of a bucket, a breaking hammer, a hydraulic shear and the like to perform cutting, milling and digging work of various soil and building materials.

The utility model patent of patent grant publication number CN202223240098.7 discloses a digging component, a mounting box body and a drill bit for a square pile drill bit, which comprises a digging wheel body and a digging assembly arranged on the digging wheel body, wherein the digging assembly comprises a plurality of digging elements which are arranged on the digging wheel body in a spiral regular arrangement or a spiral irregular arrangement or are arranged in an angle straight line with the axial direction of the digging wheel body, and digging scraping plates are arranged along the arrangement direction of the digging elements and beside the digging elements. After the excavating element excavates the soil and stone coanda, the excavating scraper blade secondarily cuts the square pile coanda, and the flatness of the cutting surface of the excavating component is improved.

However, the device still has some disadvantages in practical use, and obviously, the driving device is positioned in the square pile drill bit, so that the driving device is inconvenient to detach, install and maintain, has lower service life, and meanwhile, when the excavation length of the square pile drill bit needs to be adjusted, the driving device needs to be connected and fixed with a corresponding expansion excavation part, and for pile pits with small size differences, the driving device is troublesome to operate, needs to be detached and replaced integrally, and has lower efficiency.

Accordingly, it is necessary to invent a milling and drilling machine for a rotary drilling machine to solve the above problems.

Disclosure of utility model

The utility model aims to provide a milling and digging machine for a rotary drilling rig, which solves the problems of inconvenient installation and disassembly and inconvenient size adjustment in the prior art.

According to one aspect of the disclosure, the milling and digging machine for the rotary drilling rig comprises a base connected with the rotary drilling rig and further comprises two power head assemblies, wing plates are fixedly installed on the front side and the rear side of the lower portion of the base, the two power head assemblies are located between the two wing plates and are respectively and movably hinged to two ends of the wing plates, cutting wheels are rotatably installed on the front side and the rear side of the lower end of each power head assembly, a hydraulic motor for driving the cutting wheels to rotate is installed on one side of each power head assembly, two positioning plates are fixedly installed on the outer side of each wing plate, a plurality of distance adjusting threaded holes are formed in the surfaces of the positioning plates, and the positioning plates are fixedly connected with the power head assemblies at corresponding positions through bolts.

According to the milling and digging machine for the rotary drilling rig, which is disclosed by at least one embodiment, the power head assembly comprises two frame plates, one end of the upper parts of the two frame plates is movably hinged with the wing plate through a pin shaft, an interlayer cavity is formed between the two frame plates, a transmission chain is arranged in the interlayer cavity, the hydraulic motor is fixedly arranged on the outer side of one of the frame plates, the cutting wheel is rotatably arranged on the lower part of the frame plate, and the hydraulic motor drives the cutting wheel to rotate through the transmission chain.

According to the milling and digging machine for the rotary drilling rig of at least one embodiment of the present disclosure, a positioning hole for inserting a drill rod of the rotary drilling rig is formed in the middle of the base.

According to the milling and digging machine for the rotary drilling rig, according to at least one embodiment of the present disclosure, the plurality of distance-adjusting threaded holes on the positioning plate are uniformly arranged according to the deflection path of the frame plate, and through holes are formed in positions of the distance-adjusting threaded holes on the upper surface of the frame plate.

A milling cutter for a rotary drilling machine according to at least one embodiment of the present disclosure, the cutting wheel surface having a plurality of bullet-shaped digging heads fixedly mounted thereon.

A milling and drilling machine for a rotary drilling rig according to at least one embodiment of the present disclosure, the hydraulic motor being connected with a hydraulic system of the rotary drilling rig through a hydraulic line.

The utility model has the technical effects and advantages that:

The positions of the bolts on the positioning plates are adjusted according to the requirements, so that the inclination angles of the two power head assemblies are adjusted, the distance between the cutting wheels of the two power head assemblies is changed, the drilling machine is suitable for drilling pile holes with different sizes, the whole power head assembly is not required to be removed, and the working efficiency is improved;

The hydraulic motor is connected with a hydraulic system of the rotary drilling rig through a hydraulic pipeline, the hydraulic motor drives the cutting wheel to rotate through the transmission chain, and a needed pile hole can be obtained through up-and-down movement of a drill rod of the rotary drilling rig and rotary movement of the cutting wheel to mill a prefabricated hole.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the disclosure and together with the description serve to explain the principles of the disclosure.

Fig. 1 is a schematic view of an overall structure of a milling and drilling machine for a rotary drilling rig according to one embodiment of the present disclosure.

Fig. 2 is a top view of a milling and drilling machine for a rotary drilling rig according to one embodiment of the present disclosure.

The reference numerals in the drawings specifically are:

1. The device comprises a base, a positioning hole, 12, a wing plate, 2, a power head assembly, 21, a frame plate, 22, a sandwich cavity, 3, a cutting wheel, 31, an excavating cutting head, 4, a transmission chain, 5, a hydraulic motor, 6, a positioning plate, 61, a distance-adjusting threaded hole, 7 and a pin shaft.

Detailed Description

For the purposes of this description, the present disclosure may use, for example, "under" and "under". "lower", "above", "higher" and "sides (e.g., spatially relative terms, such as" in "sidewalls" and the like, may be used for ease of description to describe one element's relationship to another (other) element(s) as illustrated in the figures. In addition to the orientations depicted in the figures, spatially relative terms are intended to encompass different orientations of the device in use, operation, and/or manufacture, such as a component described as "under" or "under" other components or features will subsequently be positioned "over" the other components or features if the device in the figures is turned over. Thus, the exemplary term "below" may encompass both an orientation of "above" and "below. Furthermore, the device may be otherwise positioned (e.g., rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

As shown in fig. 1-2, a milling and digging machine for a rotary drilling rig in the present disclosure includes a base 1 connected with the rotary drilling rig, and further includes two power head assemblies 2, wing plates 12 are fixedly installed on front and rear sides of a lower portion of the base 1, two power head assemblies 2 are located between the two wing plates 12, the two power head assemblies 2 are movably hinged to two end positions of the wing plates 12 respectively, cutting wheels 3 are rotatably installed on front and rear sides of a lower end of the power head assemblies 2, a hydraulic motor 5 for driving the cutting wheels 3 to rotate is installed on one side of the power head assemblies 2, two positioning plates 6 are fixedly installed on outer sides of the wing plates 12, a plurality of distance adjusting threaded holes 61 are formed in surfaces of the positioning plates 6, and the positioning plates 6 are fixedly connected with the power head assemblies 2 in corresponding positions through bolts.

In this embodiment, the power head assembly 2 includes two frame plates 21, and two frame plates 21 upper portion one end is articulated with pterygoid lamina 12 through round pin axle 7 activity, is formed with intermediate layer chamber 22 between two frame plates 21, is equipped with drive chain 4 in the intermediate layer chamber 22, hydraulic motor 5 fixed mounting is in one of them frame plate 21 outside, cutting wheel 3 rotates and installs in frame plate 21 lower part, hydraulic motor 5 passes through drive chain 4 and drives cutting wheel 3 rotation.

Further, in order to facilitate connection with a drill rod of the rotary drilling rig, in this embodiment, a positioning hole 11 for inserting the drill rod of the rotary drilling rig is provided in the middle of the base 1, and a section of the positioning hole 11 is designed according to a section of the drill rod.

Further, in order to accurately adjust the inclination angle of the shelf board 21, in this embodiment, the plurality of distance adjusting threaded holes 61 on the positioning board 6 are uniformly arranged according to the deflection path of the shelf board 21, and through holes are formed on the upper surface of the shelf board 21 at the positions of the distance adjusting threaded holes 61.

In this embodiment, the surface of the cutting wheel 3 is fixedly provided with a plurality of bullet-shaped digging heads 31, and the digging heads 31 are made of high-strength wear-resistant alloy material for milling the prefabricated holes.

In this embodiment, the hydraulic motor 5 is connected with the hydraulic system of the rotary drilling rig through a hydraulic pipeline, so that a new hydraulic system is not required.

The method comprises the following steps of adjusting the positions of bolts on a positioning plate 6 according to the requirements, so as to adjust the inclination angles of two power head assemblies 2, change the distance between cutting wheels 3 of the two power head assemblies 2, and adapt to the drilling of pile holes with different sizes;

The hydraulic motor 5 is connected with a hydraulic system of the rotary drilling rig through a hydraulic pipeline, the hydraulic motor 5 drives the cutting wheel 3 to rotate through the transmission chain 4, and a prefabricated hole can be obtained through up-and-down movement of the drill rod of the rotary drilling rig and rotary movement of the cutting wheel 3.

In the description of the present specification, reference to the terms "one embodiment/manner," "some embodiments/manner," "example," "a particular example," "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/manner or example is included in at least one embodiment/manner or example of the application. In this specification, the schematic representations of the above terms are not necessarily for the same embodiment/manner or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/modes or examples described in this specification and the features of the various embodiments/modes or examples can be combined and combined by persons skilled in the art without contradiction.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

It will be appreciated by those skilled in the art that the above-described embodiments are merely for clarity of illustration of the disclosure, and are not intended to limit the scope of the disclosure. Other variations or modifications will be apparent to persons skilled in the art from the foregoing disclosure, and such variations or modifications are intended to be within the scope of the present disclosure.

Claims (6)

1. The milling and digging machine for the rotary drilling rig comprises a base connected with the rotary drilling rig and is characterized by further comprising two power head assemblies, wing plates are fixedly arranged on the front side and the rear side of the lower portion of the base, the two power head assemblies are positioned between the two wing plates and are respectively and movably hinged to the two end positions of the wing plates, cutting wheels are rotatably arranged on the front side and the rear side of the lower end of each power head assembly, a hydraulic motor for driving the cutting wheels to rotate is arranged on one side of each power head assembly, two positioning plates are fixedly arranged on the outer sides of the wing plates, a plurality of distance-adjusting threaded holes are formed in the surfaces of the positioning plates, and the positioning plates are fixedly connected with the power head assemblies at corresponding positions through bolts.

2. The milling and digging machine for a rotary drilling rig according to claim 1, wherein the power head assembly comprises two frame plates, one end of the upper parts of the two frame plates is movably hinged with the wing plate through a pin shaft, an interlayer cavity is formed between the two frame plates, a transmission chain is arranged in the interlayer cavity, the hydraulic motor is fixedly arranged on the outer side of one of the frame plates, the cutting wheel is rotatably arranged on the lower part of the frame plate, and the hydraulic motor drives the cutting wheel to rotate through the transmission chain.

3. The milling and digging machine for rotary drilling rigs of claim 1, wherein the base has a locating hole in the middle for insertion of a drill rod of the rotary drilling rig.

4. The milling and drilling machine for the rotary drilling rig according to claim 1, wherein the plurality of distance-adjusting threaded holes in the positioning plate are uniformly arranged according to a deflection path of the frame plate, and through holes are formed in the upper surface of the frame plate at the positions of the distance-adjusting threaded holes.

5. The milling and digging machine for rotary drilling rigs according to claim 1, wherein a plurality of bullet-shaped digging heads are fixedly mounted on the surface of the cutting wheel.

6. The milling and drilling machine for a rotary drilling rig according to claim 1, wherein the hydraulic motor is connected to a hydraulic system of the rotary drilling rig via a hydraulic line.