CN219344695U

CN219344695U - Supporting device and anchor drilling machine with same

Info

Publication number: CN219344695U
Application number: CN202320250862.4U
Authority: CN
Inventors: 李富强; 武俊; 刘洋; 刘玉龙; 史学锋; 张瑞峰; 孙瑞江; 康捷夫; 姜明学
Original assignee: CHN Energy Wuhai Energy Co Ltd
Current assignee: CHN Energy Wuhai Energy Co Ltd
Priority date: 2023-02-14
Filing date: 2023-02-14
Publication date: 2023-07-14
Anticipated expiration: 2033-02-14

Abstract

The utility model provides a supporting device and an anchor drilling machine with the same, wherein the supporting device is arranged at the front side of a frame and comprises: a support structure, comprising: the support leg is positioned at the supporting position when the support leg protrudes downwards from the bottom surface of the support seat to enable the support seat to support the frame, and the support leg is positioned above the bottom surface of the support seat to enable the support seat to be in the recovery position when the support seat is suspended; and one end of the telescopic structure is connected to the frame, and the other end of the telescopic structure is connected to the supporting seat. The technical scheme of the application effectively solves the problems that an anchor drilling machine in the related technology is easy to incline forward and unstable during working.

Description

Supporting device and anchor drilling machine with same

Technical Field

The utility model relates to the field of mining mechanical equipment, in particular to a supporting device and an anchor drilling machine with the same.

Background

The application publication number of the patent application is: in one type of anchoring drilling machine shown in CN105350910B, the anchoring drilling machine has a walkable chassis, an upper turntable is mounted on the upper part of the chassis, and a support leg, a support leg cylinder, a hydraulic oil tank assembly, etc. are mounted on the upper turntable, and the support leg is disposed on the rear side of the upper turntable. Thus, when the anchoring drilling machine works, the gravity center of the anchoring drilling machine moves forward, so that the anchoring drilling machine is easy to incline forward when the anchoring drilling machine works, and the anchoring drilling machine is unstable and even inclines forward when the anchoring drilling machine works.

The anchor drilling machine in the related art comprises a frame and supporting legs, wherein the supporting legs are fixedly connected to the bottom surface of a base of the frame. The gravity center position of the anchor drilling machine in the related art is changed during working, especially when the front end part of the anchor drilling machine is designed too long, the gravity center of the anchor drilling machine moves forward during working, but the support range of the support leg is limited due to the fact that the position of the support leg cannot be adjusted, good support effect cannot be achieved, and the anchor drilling machine in the related art is unstable during working.

Disclosure of Invention

The utility model mainly aims to provide a supporting device and an anchor drilling machine with the same, so as to solve the problems that the anchor drilling machine in the related art is easy to tilt forward and unstable during working.

In order to achieve the above object, according to one aspect of the present utility model, there is provided a support device provided at a front side of a vehicle frame, the support device comprising: a support structure, comprising: the support leg is positioned at the supporting position when the support leg protrudes downwards from the bottom surface of the support seat to enable the support seat to support the frame, and the support leg is positioned above the bottom surface of the support seat to enable the support seat to be in the recovery position when the support seat is suspended; and one end of the telescopic structure is connected to the frame, and the other end of the telescopic structure is connected to the supporting seat.

Further, the supporting structure further comprises a guiding structure arranged on one side of the telescopic structure, one end of the guiding structure is connected to the frame, and the other end of the guiding structure is connected to the supporting seat.

Further, the guide structure comprises a guide outer sleeve connected to the frame and a guide inner sleeve connected to the supporting seat, the guide outer sleeve is in nested fit with the guide inner sleeve, and the axes of the guide outer sleeve and the guide inner sleeve are parallel to the telescopic direction of the telescopic structure.

Further, the driving piece is a first telescopic oil cylinder, the telescopic structure is a second telescopic oil cylinder, the supporting leg is located at a supporting position when a piston rod of the first telescopic oil cylinder stretches out, and the supporting leg is located at a recovery position when the piston rod of the first telescopic oil cylinder retracts.

Further, the supporting seat comprises two vertical plates which are oppositely arranged and a transverse plate which is connected with the two vertical plates, one end of the supporting leg is hinged with the two vertical plates, one end of the driving piece is hinged with the transverse plate, the other end of the driving piece is hinged with the supporting leg, and the other end of the telescopic structure is connected with one vertical plate.

Further, the landing leg, diaphragm and driving piece are two, and the diaphragm is including interval setting up first diaphragm and second diaphragm between two risers, and the landing leg is including setting up the first landing leg of one side of keeping away from first diaphragm at the second diaphragm and setting up the second landing leg of one side of keeping away from the second diaphragm at the first diaphragm, and the driving piece is including articulating in the first driving piece of first diaphragm and first landing leg and articulating in the second driving piece of second diaphragm and second landing leg.

Further, the number of the guide structures is two, and the two guide structures are respectively arranged on two sides of the telescopic structure.

Further, the outer surface of the guiding inner sleeve is provided with antifriction protrusions extending along the axial direction of the guiding inner sleeve, and the antifriction protrusions are arranged at intervals.

Further, the guide outer sleeve is connected to the frame in a welding mode, and the outer side wall of the guide outer sleeve is provided with reinforcing ribs.

According to another aspect of the present utility model, there is provided an anchor drilling machine comprising a frame and a supporting device, the supporting device being arranged on the front side of the frame, the supporting device being the supporting device described above.

By applying the technical scheme of the utility model, the supporting device is arranged at the front side of the frame, so that when the anchor drilling machine works so that the gravity center of the anchor drilling machine moves forward, the supporting device can be supported at the front side of the anchor drilling machine, and the stability of the anchor drilling machine during working is improved. The support device includes: support structure and telescopic structure. The support structure comprises: the support seat, the driving piece and the support leg which can be connected to the support seat in a turnover way. One end of the driving piece is hinged to the supporting seat, the other end of the driving piece is hinged to the supporting leg, and the driving piece drives the supporting leg to turn over so that the supporting leg has a supporting position and a recovery position. When the supporting legs protrude downwards from the bottom surface of the supporting seat to enable the supporting seat to support the frame, the supporting legs are in supporting positions. When the supporting legs are positioned above the bottom surface of the supporting seat to enable the supporting seat to be suspended, the supporting legs are positioned at the recovery position. One end of the telescopic structure is connected to the frame, and the other end of the telescopic structure is connected to the supporting seat. When the anchor drilling machine needs to work, one end of the telescopic structure is fixedly connected to the frame, and the telescopic structure is connected to the other end of the supporting seat to extend out, so that the position of the supporting seat relative to the frame can be adjusted, the supporting range of the supporting seat to the anchor drilling machine is enlarged, and the supporting device can also stably support when the gravity center position of the anchor drilling machine is changed. After the telescopic structure stretches out, the driving piece drives the supporting leg to turn over to a position protruding downwards from the bottom surface of the supporting seat, so that the supporting leg can support the anchor drilling machine. When the anchor drilling machine finishes working, the driving piece drives the supporting leg to turn over to the upper part of the bottom surface of the supporting seat, so that the supporting seat is suspended to facilitate the movement of the anchor drilling machine. After the landing leg is in the recovery position, the telescopic structure is connected with the other end of the supporting seat and is retracted, so that the supporting seat moves towards the direction close to the frame, and the anchor drilling machine can move conveniently. Like this, the landing leg can support the supporting seat, and the supporting seat passes through extending structure and supports in the frame, and extending structure makes the distance between supporting seat and the frame adjustable in order to enlarge bearing structure's support scope. The supporting device is arranged on the front side of the frame, so that the supporting function can be realized when the gravity center of the anchor drilling machine moves forward. Therefore, the technical scheme of the application effectively solves the problems that an anchor drilling machine in the related technology is easy to incline forward and unstable during working.

Drawings

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

fig. 1 shows a schematic perspective view of an anchor drilling machine in operation according to an embodiment of the anchor drilling machine of the present utility model;

FIG. 2 shows a schematic perspective view of the anchor drilling machine of FIG. 1 as it moves;

fig. 3 shows a schematic perspective view of a support device according to an embodiment of the utility model with the legs in a support position;

FIG. 4 shows a schematic perspective view of the support device of FIG. 3 with the legs in the retracted position;

fig. 5 shows a schematic perspective view of the support structure of the support device of fig. 3;

fig. 6 shows a schematic perspective view of the telescopic structure and the guiding structure of the support device of fig. 3.

Wherein the above figures include the following reference numerals:

10. a support structure; 11. a support base; 111. a vertical plate; 112. a cross plate; 1121. a first cross plate; 1122. a second cross plate; 12. a driving member; 121. a first driving member; 122. a second driving member; 13. a support leg; 131. a first leg; 132. a second leg;

20. a telescopic structure;

30. a guide structure; 31. guiding the outer sleeve; 32. guiding the inner sleeve; 33. antifriction protrusions; 34. reinforcing ribs;

40. and a frame.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

As shown in fig. 1 to 4, the support device of the present embodiment is provided on the front side of the frame 40. The support device includes: support structure 10 and telescoping structure 20. The support structure 10 comprises: a support base 11, a driving member 12, and a leg 13 rotatably connected to the support base 11. One end of the driving member 12 is hinged to the supporting seat 11, the other end of the driving member 12 is hinged to the supporting leg 13, and the driving member 12 drives the supporting leg 13 to turn over so that the supporting leg 13 has a supporting position and a recovery position. The leg 13 is in the supporting position when the leg 13 protrudes downward from the bottom surface of the supporting seat 11 so that the supporting seat 11 supports the vehicle frame 40. The leg 13 is in the retracted position when the leg 13 is positioned above the bottom surface of the support base 11 such that the support base 11 is suspended. One end of the telescopic structure 20 is connected to the frame 40, and the other end of the telescopic structure 20 is connected to the support base 11.

By applying the technical scheme of the embodiment, the supporting device is arranged on the front side of the frame 40, so that when the anchor drilling machine works so that the gravity center of the anchor drilling machine moves forward, the supporting device can be supported on the front side of the anchor drilling machine, and the stability of the anchor drilling machine during working is improved. The support device includes: support structure 10 and telescoping structure 20. The support structure 10 comprises: a support base 11, a driving member 12, and a leg 13 rotatably connected to the support base 11. One end of the driving member 12 is hinged to the supporting seat 11, the other end of the driving member 12 is hinged to the supporting leg 13, and the driving member 12 drives the supporting leg 13 to turn over so that the supporting leg 13 has a supporting position and a recovery position. The leg 13 is in the supporting position when the leg 13 protrudes downward from the bottom surface of the supporting seat 11 so that the supporting seat 11 supports the vehicle frame 40. The leg 13 is in the retracted position when the leg 13 is positioned above the bottom surface of the support base 11 such that the support base 11 is suspended. One end of the telescopic structure 20 is connected to the frame 40, and the other end of the telescopic structure 20 is connected to the support base 11. When the anchor drilling machine needs to work, one end of the telescopic structure 20 is fixedly connected to the frame 40, the telescopic structure 20 is connected to the other end of the supporting seat 11 and extends out, so that the position of the supporting seat 11 relative to the frame 40 can be adjusted, the supporting range of the supporting seat 11 to the anchor drilling machine is enlarged, and the supporting device can also stably support when the gravity center position of the anchor drilling machine is changed. After the extension structure 20 is extended, the driving member 12 drives the leg 13 to be turned to a position protruding downward from the bottom surface of the support base 11, so that the leg 13 can support the anchor drilling machine. When the anchor drilling machine finishes working, the driving piece 12 drives the supporting leg 13 to turn over to the position above the bottom surface of the supporting seat 11, so that the supporting seat 11 is suspended to facilitate the movement of the anchor drilling machine. After the support legs 13 are in the retracted position, the other end of the telescopic structure 20 connected to the support base 11 is retracted to move the support base 11 in a direction approaching the frame 40, so as to facilitate movement of the anchor drilling machine. Thus, the support legs 13 can support the support seat 11, the support seat 11 is supported on the frame 40 through the telescopic structure 20, and the telescopic structure 20 enables the distance between the support seat 11 and the frame 40 to be adjustable so as to enlarge the support range of the support structure 10. Since the supporting means is provided at the front side of the carriage 40, it can play a supporting role when the center of gravity of the anchor drilling machine is moved forward. Therefore, the technical scheme of the embodiment effectively solves the problems that the anchoring drilling machine in the related art is easy to incline forward and unstable during working.

In the present embodiment, one end of the telescopic structure 20 is connected to the top surface of the base of the frame 40, and the other end of the telescopic structure 20 is connected to the supporting seat 11. When the support seat 11 supports the frame 40, the support seat 11 is supported on the top surface of the base of the frame 40 through the telescopic structure 20, but not on the bottom surface of the base of the frame in the related art. One end of the telescoping structure 20 is attached to the top surface of the base of the frame 40 using a weld.

As shown in fig. 1 to 4, the support structure 10 further includes a guide structure 30 disposed at one side of the telescopic structure 20, one end of the guide structure 30 is connected to the frame 40, and the other end of the guide structure 30 is connected to the support base 11. The setting of the guide structure 30 makes the telescopic structure 20 telescopic along the guiding direction of the guide structure 30 when telescopic, so that the telescopic structure 20 is more stable when telescopic to drive the supporting seat 11 to move, and the supporting structure 10 is more stable and reliable when adjusting relative to the position of the frame 40. And because one end of the guiding structure 30 is connected to the frame 40, the supporting seat 11 can be supported on the top surface of the base of the frame 40 through the guiding structure 30 and the telescopic structure 20, so that the safety of the supporting device is further improved.

As shown in fig. 1 to 4, the guiding structure 30 includes an outer guiding sleeve 31 connected to the frame 40 and an inner guiding sleeve 32 connected to the supporting seat 11, and the outer guiding sleeve 31 is nested with the inner guiding sleeve 32. The guide structure 30 formed by the guide outer sleeve 31 and the guide inner sleeve 32 has simple structure, is convenient to process, and is stable and reliable. The axes of the outer guide sleeve 31 and the inner guide sleeve 32 are parallel to the telescopic direction of the telescopic structure 20, so that the telescopic structure 20 can be better guided by the guide structure 30. In this embodiment, a positioning protrusion matched with the supporting seat 11 is provided on the guiding inner sleeve 32, and the guiding inner sleeve 32 is fixedly connected with the supporting seat 11 through a high-strength bolt.

As shown in fig. 3 to 6, the driving member 12 is a first telescopic cylinder, and the telescopic structure 20 is a second telescopic cylinder. The support leg 13 is in a supporting position when the piston rod of the first telescopic cylinder extends, and the support leg 13 is in a recovery position when the piston rod of the first telescopic cylinder retracts. The first telescopic cylinder is simple in structure, can reliably drive the supporting leg 13 to turn over, is convenient for the assembly of the supporting device, is simple and convenient to install, and is convenient for processing. The second telescopic cylinder has a simple structure, and can reliably drive the supporting seat 11 to move towards the direction approaching or away from the frame 40, so that the installation and the processing are facilitated.

As shown in fig. 3 to 6, the support base 11 includes two upright plates 111 disposed opposite to each other and a cross plate 112 connected to the two upright plates 111. One end of the leg 13 is hinged to two risers 111 to enable the leg 13 to be flipped with respect to the support base 11. One end of the driving member 12 is hinged to the transverse plate 112, and the other end of the driving member 12 is hinged to the supporting leg 13, so that when the driving member 12 drives the supporting leg 13, one end of the driving member 12 can rotate relative to the transverse plate 112, and the other end of the driving member 12 can rotate relative to the supporting leg 13. The other end of the telescopic structure 20 is connected to a vertical plate 111, so that the telescopic structure 20 can drive the supporting seat 11 to move relative to the frame 40 through the vertical plate 111.

As shown in fig. 3 to 6, the leg 13, the cross plate 112, and the driver 12 are two. The cross plate 112 includes a first cross plate 1121 and a second cross plate 1122 disposed in spaced relation between the two upright plates 111, the first and

second cross plates

1121, 1122 being disposed to facilitate installation of the drive member 12. The leg 13 includes a first leg 131 disposed on a side of the second cross plate 1122 remote from the first cross plate 1121 and a second leg 132 disposed on a side of the first cross plate 1121 remote from the second cross plate 1122, the provision of the first leg 131 and the second leg 132 enabling the support structure 10 to be better supported on the ground for more stable and reliable support of the anchor drilling machine. The driving member 12 includes a first driving member 121 hinged to the first transverse plate 1121 and the first leg 131, and a second driving member 122 hinged to the second transverse plate 1122 and the second leg 132, wherein the first driving member 121 can drive the first leg 131 to turn over, and the second driving member 122 can drive the second leg 132 to turn over. The first driving member 121 is hinged to the first transverse plate 1121 and the first leg 131, and the second driving member 122 is hinged to the second transverse plate 1122 and the second leg 132, so that the structure of the supporting device is more compact, and the volume of the supporting device is reduced. In this embodiment, the piston rods of the two first telescopic cylinders are hinged to the first leg 131 and the second leg 132, respectively.

As shown in fig. 3 to 6, there are two guide structures 30, and the two guide structures 30 are respectively disposed at both sides of the telescopic structure 20. The telescopic structure 20 can be better guided, so that the stress is more uniform when the telescopic structure 20 drives the supporting seat 11 to move towards the direction close to or far away from the frame 40, and the supporting seat 11 moves more stably.

As shown in fig. 3 to 6, the outer surface of the guide inner sleeve 32 is provided with antifriction projections 33 extending in the axial direction of the guide inner sleeve 32, and the antifriction projections 33 are provided in a plurality at intervals. The arrangement of the antifriction projections 33 can reduce the contact area of the guide inner sleeve 32 when moving relative to the guide outer sleeve 31, so as to reduce the friction between the guide inner sleeve 32 and the guide outer sleeve 31, so that the guide inner sleeve 32 moves more smoothly relative to the guide outer sleeve 31, the working performance is improved, and the service life of the guide structure 30 is prolonged. In this embodiment, the guiding inner sleeve 32 is a quadrangular prism, and two antifriction protrusions 33 are disposed on the outer surfaces of four sides of the guiding inner sleeve 32, and the antifriction protrusions 33 are copper plate strips.

As shown in fig. 3 to 6, the outer guide sleeve 31 is connected to the frame 40 by welding, so that the outer guide sleeve 31 is more reliably connected to the frame 40, and the supporting seat 11 can be supported on the top surface of the base of the frame 40 through the telescopic device and the guide structure 30. The outer side wall of the outer guide sleeve 31 is provided with the reinforcing ribs 34, and the structural strength of the outer guide sleeve 31 is increased due to the reinforcing ribs 34, so that the reliability of the guide structure 30 is improved, and the supporting seat 11 can be better supported on the top surface of the base of the frame 40 through the guide structure 30. In the present embodiment, two reinforcing ribs 34 are provided on the outer side wall of each outer guide sleeve 31 at intervals, and a cover plate is provided on the end face of each outer guide sleeve 31 facing away from the support seat 11 to prevent foreign matter from entering into the outer guide sleeve 31.

As shown in fig. 1 and 2, the present application further provides an anchor drilling machine, which includes a frame 40 and a supporting device, wherein the supporting device is disposed on the front side of the frame 40, and the supporting device is the supporting device. The supporting device can solve the problems that an anchor drilling machine in the related technology is easy to tilt forward and unstable during working, so that the anchor drilling machine with the supporting device can solve the same technical problems.

In this embodiment, the legs 13 are adjusted to the retrieving position to facilitate movement of the anchor drilling machine when the anchor drilling machine needs to be moved. When the supporting leg 13 of the supporting device is at the recovery position, the supporting device does not protrude from the body of the anchor drilling machine along the width direction of the body of the anchor drilling machine so as to avoid affecting the movement of the anchor drilling machine. The legs 13 are hinged to the two uprights 111 by means of pins which are surface heat treated to increase strength. In order to prevent the support leg 13 from interfering with the support seat 11 when in the retracted position, threaded holes are formed in both end faces of the pin shaft along the axial direction of the pin shaft, and screws are used to extend into the threaded holes and fasten the pin shaft so as to avoid the play between the pin shaft and the vertical plate 111.

In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A support device provided on a front side of a vehicle frame (40), characterized in that the support device comprises:

support structure (10), comprising: the support comprises a support seat (11), a driving piece (12) and a supporting leg (13) which is connected to the support seat (11) in a turnover manner, wherein one end of the driving piece (12) is hinged to the support seat (11), the other end of the driving piece (12) is hinged to the supporting leg (13), the driving piece (12) drives the supporting leg (13) to turn over so that the supporting leg (13) has a supporting position and a recovery position, the supporting leg (13) is in the supporting position when the supporting leg (13) protrudes downwards from the bottom surface of the support seat (11) to enable the support seat (11) to support the frame (40), and the supporting leg (13) is in the recovery position when the supporting leg (13) is located above the bottom surface of the support seat (11) to enable the support seat (11) to be arranged in a suspended manner;

the telescopic structure (20), one end of telescopic structure (20) connect in frame (40), the other end of telescopic structure (20) connect in supporting seat (11).

2. The support device according to claim 1, wherein the support structure (10) further comprises a guiding structure (30) arranged at one side of the telescopic structure (20), one end of the guiding structure (30) is connected to the frame (40), and the other end of the guiding structure (30) is connected to the support base (11).

3. Support device according to claim 2, wherein the guiding structure (30) comprises an outer guiding sleeve (31) connected to the frame (40) and an inner guiding sleeve (32) connected to the support seat (11), the outer guiding sleeve (31) being in a nested fit with the inner guiding sleeve (32), the axes of the outer guiding sleeve (31) and the inner guiding sleeve (32) being parallel to the telescoping direction of the telescoping structure (20).

4. The support device according to claim 1, wherein the driving member (12) is a first telescopic cylinder, the telescopic structure (20) is a second telescopic cylinder, the first telescopic cylinder has a piston rod extending to bring the leg (13) to the support position, and the first telescopic cylinder has a piston rod retracting to bring the leg (13) to the recovery position.

5. The supporting device according to claim 1, wherein the supporting base (11) comprises two vertical plates (111) arranged oppositely and a transverse plate (112) connected to the two vertical plates (111), one end of the supporting leg (13) is hinged to the two vertical plates (111), one end of the driving member (12) is hinged to the transverse plate (112), the other end of the driving member (12) is hinged to the supporting leg (13), and the other end of the telescopic structure (20) is connected to one vertical plate (111).

6. The support device according to claim 5, wherein the legs (13), the cross plate (112) and the driving member (12) are two, the cross plate (112) comprises a first cross plate (1121) and a second cross plate (1122) arranged between the two vertical plates (111) at intervals, the legs (13) comprise a first leg (131) arranged at a side of the second cross plate (1122) away from the first cross plate (1121) and a second leg (132) arranged at a side of the first cross plate (1121) away from the second cross plate (1122), the driving member (12) comprises a first driving member (121) hinged to the first cross plate (1121) and the first leg (131) and a second driving member (122) hinged to the second cross plate (1122) and the second leg (132).

7. Support device according to claim 2, wherein there are two guiding structures (30), two guiding structures (30) being arranged on each side of the telescopic structure (20).

8. A support device according to claim 3, wherein the outer surface of the guide inner sleeve (32) is provided with antifriction protrusions (33) extending in the axial direction of the guide inner sleeve (32), the antifriction protrusions (33) being a plurality of spaced apart.

9. A support device according to claim 3, wherein the outer guide sleeve (31) is connected to the frame (40) by means of welding, the outer side wall of the outer guide sleeve (31) being provided with reinforcing ribs (34).

10. An anchor drilling machine comprising a frame (40) and a support device, characterized in that the support device is arranged on the front side of the frame (40), the support device being as claimed in any one of claims 1 to 9.