Crawling ladder device for down-hole drill and down-hole drill

Abstract

The utility model relates to the technical field of operation machinery, and discloses a ladder stand device for a down-the-hole drill and the down-the-hole drill. The crawling ladder device for the down-the-hole drill comprises a first pedal, a second pedal, a third pedal and a fourth pedal, the first pedal is arranged on the dust collecting pipe mounting side of an upper vehicle platform of the down-the-hole drill, and the first pedal covers a dust collecting pipe; the second pedal is arranged on the dust collecting pipe mounting side and located above the first pedal, and the second pedal and the first pedal form a step structure for getting on and off the vehicle. The first cover plate is arranged above the dust collecting pipe, so that a worker can be prevented from directly stepping on the dust collecting pipe in the process of getting on and off the vehicle, the dust collecting pipe is protected, and the service life of the dust collecting pipe is prolonged. Besides, compared with the mode that step structures are arranged on the left side and the right side of the getting-on platform, and the first pedal and the second pedal are arranged on the dust collecting pipe installation side of the getting-on platform, the width of the down-the-hole drill can be prevented from being increased, and the influence on transportation of the down-the-hole drill is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of operating machinery, in particular to a ladder device for a down-the-hole drill and the down-the-hole drill. Background Art

[0002] When a down-the-hole drill breaks down, workers are usually required to climb onto the upper platform and enter the engine compartment to perform maintenance operations. However, due to the unreasonable arrangement of the climbing equipment on the down-the-hole drill in the related art, workers may directly step on the pipelines of the down-the-hole drill, such as the dust collection pipe, when getting on and off the platform, which may damage the pipeline and shorten its service life. Utility Model Content

[0003] In view of this, the utility model provides a ladder device for a down-the-hole drill and a down-the-hole drill, so as to solve the problem that the pipeline of the down-the-hole drill may be damaged when the workers get on and off the vehicle.

[0004] In a first aspect, the utility model provides a ladder climbing device for a down-the-hole drill, comprising:

[0005] A first pedal is arranged on the dust collecting pipe installation side of the upper platform of the down-the-hole drilling rig, and the first pedal cover is arranged above the dust collecting pipe;

[0006] The second pedal is arranged on the installation side of the dust collecting pipe and is located above the first pedal. The second pedal and the first pedal form a step structure for getting on and off the vehicle.

[0007] Beneficial effects: The utility model can prevent the staff from directly stepping on the dust collecting pipe when getting on and off the vehicle by setting a first cover plate above the dust collecting pipe, thereby protecting the dust collecting pipe and extending the service life of the dust collecting pipe. In addition, a second pedal is set above the first pedal, and the first pedal and the second pedal together form a step structure for getting on and off the vehicle, which is convenient for the staff to climb to the top of the vehicle platform through the step structure and enter the interior of the engine compartment to perform maintenance operations. Furthermore, compared with setting the step structure on the left and right sides of the vehicle platform, the utility model sets the first pedal and the second pedal on the dust collecting pipe installation side of the vehicle platform, which can avoid increasing the width of the down-the-hole drill rig itself and reduce the impact on the transportation of the down-the-hole drill rig.

[0008] In an optional embodiment, the second pedal cover is arranged above the hydraulic pipeline and the electrical pipeline of the down-the-hole drill.

[0009] Beneficial effects: The utility model arranges the second pedal cover above the hydraulic pipelines and electrical pipelines of the down-the-hole drill, so that the second pedal can form a protective structure for the hydraulic pipelines and electrical pipelines, avoiding workers from directly stepping on the hydraulic pipelines and electrical pipelines when getting on and off the vehicle, reducing the probability of damage to the hydraulic pipelines and electrical pipelines, and extending the service life of the hydraulic pipelines and electrical pipelines.

[0010] In an optional embodiment, the ladder device for the down-the-hole drill also includes a pipeline support for fixing the hydraulic pipelines and electrical pipelines of the down-the-hole drill, the pipeline support is arranged on the installation side of the dust collection pipe, the top of the pipeline support forms the second pedal, and the first pedal is arranged on the side of the pipeline support away from the vehicle platform.

[0011] Beneficial effects: The utility model sets a pipeline support on the installation side of the dust collecting pipe. On the one hand, it can reasonably utilize the space between the vehicle platform and the drill rod to improve the utilization rate of the space; on the other hand, it can optimize the layout of the hydraulic pipeline and the electrical pipeline between the vehicle platform and the drill rod to improve the aesthetics. In addition, using the top of the pipeline support as the second pedal can not only improve the practicality of the pipeline support, but also provide stable support for the staff. Furthermore, setting the first pedal on the side of the pipeline support away from the vehicle platform allows the staff to transition to the first pedal more naturally during the process of getting off the vehicle, avoiding the risk of instability or falling due to improper stepping position.

[0012] In an optional embodiment, a first handrail is further provided on the side of the pipeline support away from the boarding platform, and the first handrail is located above the first pedal; a second handrail is further provided on the dust collecting pipe installation side, and the second handrail is located above the second pedal.

[0013] Beneficial effect: The utility model provides handrail structures above the first pedal and the second pedal, respectively, to provide hand support for the staff during the process of getting on and off the vehicle, thereby improving the safety and convenience of the staff during the process of getting on and off the vehicle. Furthermore, by arranging the first handrail and the second handrail on the installation side of the dust collecting pipe, the space between the vehicle platform and the drill rod can be reasonably utilized, thereby improving the utilization rate of the space.

[0014] In an optional embodiment, the ladder device for the down-the-hole drill further includes a third pedal, wherein the third pedal is arranged on the installation side of the dust collecting pipe and is located above the second pedal, and the third pedal is staggered with the second pedal.

[0015] Beneficial effect: The utility model can increase the number of pedals in the ladder device for a down-the-hole drill by arranging the third pedal above the second pedal, that is, the distance between adjacent pedals can be adjusted to a suitable range, thereby improving the safety and convenience of workers getting on and off the vehicle. In addition, the third pedal is arranged on the installation side of the dust collecting pipe, and the third pedal is arranged in a staggered manner with the second pedal, so as to realize the reasonable use of the space between the vehicle platform and the drill rod.

[0016] In an optional embodiment, the ladder device for the down-the-hole drill also includes a tool box arranged on the installation side of the dust collection pipe, the tool box includes a top cover plate and a box body, the top cover plate forms the third pedal, one end of the top cover plate is hinged to the side wall of the box body through a rotating shaft, and the end of the top cover plate hinged to the box body is close to the boarding platform.

[0017] Beneficial effects: The utility model arranges a toolbox on the installation side of the dust collecting pipe, which can reasonably utilize the space between the vehicle platform and the drill rod, thereby improving the utilization rate of the space. Furthermore, the top cover of the toolbox is used as the third pedal, which can provide stable support for the climbing of the staff on the one hand, and enrich the functions of the ladder device for the down-the-hole drill on the other hand. In addition, one end of the top cover is hinged to the side wall of the box body through a rotating shaft, so that the staff can easily open or close the toolbox, which improves the convenience of taking and placing tools. Furthermore, the end of the top cover plate hinged to the box body is placed close to the vehicle platform, so that the staff can open the top cover plate more conveniently.

[0018] In an optional embodiment, a cab of a down-the-hole drill is provided on a side of the tool box away from the second pedal, and a third armrest is provided on a side of the cab facing the tool box, and the third armrest is located above the third pedal.

[0019] Beneficial effects: In the utility model, the third handrail is located above the third pedal, which provides additional support for workers to go from the tool box to the boarding platform, thereby improving the safety of climbing.

[0020] In an optional embodiment, the upper surfaces of the first pedal, the second pedal and the third pedal are all provided with anti-slip textures.

[0021] Beneficial effect: The utility model can increase the friction coefficient of the pedal surface and reduce accidents caused by workers slipping by arranging anti-skid patterns on the upper surfaces of the first pedal, the second pedal and the third pedal.

[0022] In a second aspect, the utility model further provides a down-the-hole drilling rig, comprising:

[0023] A crawler walking device, comprising a walking frame and crawlers surrounding opposite sides of the walking frame;

[0024] An onboard platform is arranged above the crawler walking device and is provided with a dust collecting pipe installation side, wherein the dust collecting pipe installation side is used for installing the dust collecting pipe;

[0025] The ladder device for the down-the-hole drill is arranged on the installation side of the dust collecting pipe.

[0026] Beneficial effects: The utility model arranges the above-mentioned ladder device for the down-the-hole drill on the installation side of the dust collecting pipe, which can reasonably utilize the space between the vehicle platform and the drill rod to improve the utilization rate of the space; on the other hand, it can avoid increasing the width of the down-the-hole drill and reduce the impact on the transportation of the down-the-hole drill. In addition, since the first pedal cover in the ladder device for the down-the-hole drill is arranged on the dust collecting pipe, it can avoid the staff from directly stepping on the dust collecting pipe during the process of getting on and off the vehicle, thereby protecting the dust collecting pipe and extending the service life of the dust collecting pipe.

[0027] In an optional embodiment, the orthographic projection of the first pedal in the height direction of the down-the-hole drill is located on the crawler, and a boarding footrest is provided on a side of the walking frame close to the first pedal.

[0028] Beneficial effect: The utility model is provided with a boarding foot pedal on the side of the walking frame close to the first pedal, so that the staff can climb onto the crawler track through the boarding pedal, and then climb to the boarding platform through the ladder device of the down-the-hole drill and perform repair and maintenance work on the engine compartment. Furthermore, since the boarding platform of the down-the-hole drill can rotate with the crawler walking device within a certain range, the orthographic projection of the first pedal in the height direction of the down-the-hole drill is located on the crawler track, which can simplify the complexity of the path of the staff from the crawler track to the first pedal or from the first pedal to the crawler track, reduce the risk of accidental slipping or falling, and improve the safety of getting on and off the vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0030] Figure 1 A schematic structural diagram of a down-the-hole drill according to an embodiment of the utility model;

[0031] Figure 2 The figure is a schematic structural diagram of a tool box according to an embodiment of the utility model.

[0032] Description of reference numerals:

[0033] 1. First pedal; 2. Second pedal; 3. Pipe support; 301. Hydraulic pipeline; 302. Electrical pipeline; 4. First handrail; 5. Second handrail; 6. Third pedal; 7. Tool box; 701. Top cover; 702. Box body; 8. Crawler walking device; 801. Walking frame; 8011. Boarding foot pedal; 802. Crawler track; 9. Boarding platform; 901. Dust collection pipe installation side; 9011. Dust collection pipe; 12. Maintenance passage; 1201. Escalator; 1202. Sealing cover; 1203. Gas spring; 13. Cab. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0035] Aiming at the problem that the pipeline of a down-the-hole drill may be damaged when the workers get on and off the vehicle, the utility model provides a ladder device for a down-the-hole drill and a down-the-hole drill.

[0036] Combine the following Figure 1 to Figure 2 , describing an embodiment of the utility model.

[0037] According to an embodiment of the present utility model, on the one hand, as Figure 1 As shown, a ladder climbing device for a down-the-hole drill is provided, comprising: a first pedal 1 and a second pedal 2.

[0038] Specifically, the first pedal 1 is arranged on the dust collecting pipe installation side 901 of the boarding platform 9 of the down-the-hole drilling rig, and the first pedal 1 is covered above the dust collecting pipe 9011; the second pedal 2 is arranged on the dust collecting pipe installation side 901 and is located above the first pedal 1, and the second pedal 2 and the first pedal 1 form a stepped structure for getting on and off the vehicle.

[0039] This embodiment can prevent the staff from directly stepping on the dust collecting pipe 9011 during boarding and getting on the vehicle by setting a first cover plate above the dust collecting pipe 9011, thereby protecting the dust collecting pipe 9011 and extending the service life of the dust collecting pipe 9011. In addition, a second pedal 2 is set above the first pedal 1, and the first pedal 1 and the second pedal 2 together form a step structure for boarding and getting on the vehicle, so that the staff can climb to the top of the vehicle boarding platform 9 through the step structure and enter the interior of the engine compartment to perform maintenance operations. Furthermore, compared with setting the step structure on the left and right sides of the vehicle boarding platform 9, this embodiment sets the first pedal 1 and the second pedal 2 on the dust collecting pipe installation side 901 of the vehicle boarding platform 9, which can avoid increasing the width of the down-the-hole drill rig itself and reduce the impact on the transportation of the down-the-hole drill rig.

[0040] For the convenience of expression, Figure 1 The direction indicated by the arrow in the figure indicates the height direction of the down-the-hole drill.

[0041] It should be noted that the first pedal 1 and the second pedal 2 can be spaced apart along the height direction of the down-the-hole drill, or can be staggered on the dust collecting pipe installation side 901, as long as the first pedal 1 and the second pedal 2 can form a stepped structure for getting on and off the vehicle.

[0042] It should be noted that the dust collecting pipe installation side 901 is also the side where the drill rod of the down-the-hole drill is provided on the vehicle platform 9. Because there is a gap between the drill rod of the down-the-hole drill and the vehicle platform 9, the ladder device for the down-the-hole drill is arranged in the gap, which can effectively utilize the space here and optimize the layout.

[0043] According to an embodiment of the utility model, the second pedal 2 is provided above the hydraulic pipeline 301 and the electrical pipeline 302 of the down-the-hole drill. In this embodiment, the second pedal 2 is provided above the hydraulic pipeline 301 and the electrical pipeline 302 of the down-the-hole drill, so that the second pedal 2 can form a protective structure for the hydraulic pipeline 301 and the electrical pipeline 302, thereby preventing the staff from directly stepping on the hydraulic pipeline 301 and the electrical pipeline 302 during the process of getting on and off the vehicle, reducing the probability of damage to the hydraulic pipeline 301 and the electrical pipeline 302, and extending the service life of the hydraulic pipeline 301 and the electrical pipeline 302.

[0044] According to one embodiment of the utility model, the ladder device for the down-the-hole drill also includes a pipeline support 3 for fixing the hydraulic pipeline 301 and the electrical pipeline 302 of the down-the-hole drill, the pipeline support 3 is arranged on the dust collecting pipe installation side 901, the top of the pipeline support 3 forms a second pedal 2, and the first pedal 1 is arranged on the side of the pipeline support 3 away from the vehicle platform 9. In this embodiment, the pipeline support 3 is arranged on the dust collecting pipe installation side 901, on the one hand, the space between the vehicle platform 9 and the drill rod can be reasonably utilized to improve the utilization rate of the space; on the other hand, the layout of the hydraulic pipeline 301 and the electrical pipeline 302 between the vehicle platform 9 and the drill rod can be optimized to improve the aesthetics. In addition, using the top of the pipeline support 3 as the second pedal 2 can not only improve the practicality of the pipeline support 3, but also provide stable support for the staff. Further, setting the first pedal 1 on the side of the pipeline support 3 away from the vehicle platform 9 can allow the staff to transition to the first pedal 1 more naturally during the process of getting off the vehicle, avoiding the risk of instability or falling caused by improper stepping position.

[0045] According to an embodiment of the utility model, a first handrail 4 is further provided on the side of the pipeline support 3 away from the vehicle boarding platform 9, and the first handrail 4 is located above the first pedal 1; a second handrail 5 is further provided on the dust collecting pipe installation side 901, and the second handrail 5 is located above the second pedal 2. In this embodiment, by respectively arranging handrail structures above the first pedal 1 and the second pedal 2, it is possible to provide hand support for the staff during the process of getting on and off the vehicle, thereby improving the safety and convenience of the staff during the process of getting on and off the vehicle. Furthermore, by arranging the first handrail 4 and the second handrail 5 on the dust collecting pipe installation side 901, the space between the vehicle boarding platform 9 and the drill rod can be reasonably utilized, thereby improving the utilization rate of the space.

[0046] According to one embodiment of the utility model, the ladder device for a down-the-hole drill also includes a third pedal 6, which is arranged on the dust collecting pipe installation side 901 and is located above the second pedal 2, and the third pedal 6 is staggered with the second pedal 2. In this embodiment, by arranging the third pedal 6 above the second pedal 2, the number of pedals in the ladder device for a down-the-hole drill can be increased, that is, the distance between adjacent pedals can be adjusted to a suitable range, thereby improving the safety and convenience of the workers getting on and off the vehicle. In addition, by arranging the third pedal 6 on the dust collecting pipe installation side 901 and staggering the third pedal 6 with the second pedal 2, the space between the vehicle platform 9 and the drill rod can be reasonably utilized.

[0047] According to one embodiment of the utility model, Figure 2As shown, the ladder device for the down-the-hole drill also includes a toolbox 7 arranged on the dust collecting pipe installation side 901, the toolbox 7 includes a top cover plate 701 and a box body 702, the top cover plate 701 forms a third pedal 6, one end of the top cover plate 701 is hinged to the side wall of the box body 702 through a rotating shaft, and the end of the top cover plate 701 hinged to the box body 702 is close to the vehicle platform 9. In this embodiment, the toolbox 7 is arranged on the dust collecting pipe installation side 901, and the space between the vehicle platform 9 and the drill rod can be reasonably utilized to improve the utilization rate of the space. Further, the top cover plate 701 of the toolbox 7 is used as the third pedal 6, which provides stable support for the climbing of the staff on the one hand, and enriches the self-function of the ladder device for the down-the-hole drill on the other hand. In addition, one end of the top cover plate 701 is hinged to the side wall of the box body 702 through a rotating shaft, so that the staff can easily open or close the toolbox 7, which improves the convenience of taking and placing tools. Furthermore, placing one end of the top cover 701 hinged to the box body 702 close to the boarding platform 9 allows the staff to open the top cover 701 more conveniently.

[0048] According to an embodiment of the utility model, a cab 13 of a down-the-hole drill is provided on the side of the toolbox 7 away from the second pedal 2, and a third handrail is provided on the side of the cab 13 facing the toolbox 7, and the third handrail is located above the third pedal 6. In this embodiment, the third handrail is located above the third pedal 6, which provides additional support for the worker to go from the toolbox 7 to the vehicle boarding platform 9, thereby improving the safety of climbing.

[0049] According to an embodiment of the utility model, the upper surfaces of the first pedal 1, the second pedal 2 and the third pedal 6 are all provided with anti-skid patterns. In this embodiment, by providing anti-skid patterns on the upper surfaces of the first pedal 1, the second pedal 2 and the third pedal 6, the friction coefficient of the pedal surface can be increased, and accidents caused by slipping of workers can be reduced.

[0050] According to an embodiment of the present utility model, on the other hand, a down-the-hole drilling rig is also provided, comprising: a crawler walking device 8, a vehicle platform 9 and the above-mentioned ladder device for the down-the-hole drilling rig.

[0051] Specifically, the crawler walking device 8 includes a walking frame 801 and crawlers 802 wrapped around the opposite sides of the walking frame 801; the boarding platform 9 is arranged above the crawler walking device 8 and is provided with a dust collecting pipe installation side 901, and the dust collecting pipe installation side 901 is used to install the dust collecting pipe 9011; the above-mentioned ladder device for the down-the-hole drilling rig is arranged on the dust collecting pipe installation side 901.

[0052] In this embodiment, the above-mentioned ladder device for the down-the-hole drill is arranged on the dust collecting pipe installation side 901, which can reasonably utilize the space between the vehicle platform 9 and the drill rod to improve the utilization rate of the space; on the other hand, it can avoid increasing the width of the down-the-hole drill and reduce the impact on the transportation of the down-the-hole drill. In addition, since the first pedal 1 in the ladder device for the down-the-hole drill is covered on the dust collecting pipe 9011, it can avoid the staff from directly stepping on the dust collecting pipe 9011 during the process of getting on and off the vehicle, thereby protecting the dust collecting pipe 9011 and extending the service life of the dust collecting pipe 9011.

[0053] According to an embodiment of the utility model, the orthographic projection of the first pedal 1 in the height direction of the down-the-hole drilling rig is located on the crawler 802, and a boarding footrest 8011 is provided on the side of the traveling frame 801 close to the first pedal 1. In this embodiment, a boarding footrest 8011 is provided on the side of the traveling frame 801 close to the first pedal 1, so that the staff can climb onto the crawler 802 through the boarding footrest, and then climb to the boarding platform 9 through the ladder device of the down-the-hole drilling rig and perform repair and maintenance work on the engine compartment. Furthermore, since the boarding platform 9 of the down-the-hole drilling rig can rotate with the crawler traveling device 8 within a certain range, the orthographic projection of the first pedal 1 in the height direction of the down-the-hole drilling rig is located on the crawler 802, which can simplify the complexity of the path of the staff from the crawler 802 to the first pedal 1 or from the first pedal 1 to the crawler 802, reduce the risk of accidental slipping or falling, and improve the safety during boarding and disembarking.

[0054] It should be noted that the present embodiment does not limit the shape and size of the boarding pedal 8011, as long as it can provide a support point for the staff to get on and off the vehicle.

[0055] According to one embodiment of the utility model, a maintenance passage 12 connected to the engine compartment is provided on the vehicle platform 9, and a ladder 1201 is provided on the side wall of the maintenance passage 12. It can be understood that by providing the ladder 1201 on the side wall of the maintenance passage 12, it is convenient for the staff to enter the interior of the engine compartment to carry out maintenance work.

[0056] According to an embodiment of the utility model, a sealing cover plate 1202 hinged to the maintenance entrance is provided on the maintenance entrance of the maintenance passage 12, and a gas spring 1203 is provided between the sealing cover plate 1202 and the side wall of the maintenance passage 12. It can be understood that by providing the sealing cover plate 1202 on the maintenance entrance, impurities such as dust can be prevented from entering the engine compartment. Furthermore, the sealing cover plate 1202 is hinged to the maintenance entrance, and a gas spring 1203 is provided between the sealing cover plate 1202 and the side wall of the maintenance passage 12, so that the opening and closing operations of the sealing cover plate 1202 can be simpler and more convenient.

[0057] Although the embodiments of the present invention are described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations are all within the scope defined by the appended claims.

Claims

1. A ladder device for a down-the-hole drill, characterized in that: include: A first pedal (1) is arranged on the dust collecting pipe installation side (901) of the upper platform (9) of the down-the-hole drilling rig, and the first pedal (1) is covered above the dust collecting pipe (9011); The second pedal (2) is arranged on the dust collecting pipe installation side (901) and is located above the first pedal (1); the second pedal (2) and the first pedal (1) form a step structure for getting on and off the vehicle.

2. The ladder device for a down-the-hole drill according to claim 1, characterized in that: The second pedal (2) is covered above the hydraulic pipeline (301) and the electrical pipeline (302) of the down-the-hole drilling rig.

3. The ladder device for a down-the-hole drill according to claim 1, characterized in that: It also includes a pipeline support (3) for fixing the hydraulic pipeline (301) and the electrical pipeline (302) of the down-the-hole drill, the pipeline support (3) is arranged on the dust collecting pipe installation side (901), the top of the pipeline support (3) forms the second pedal (2), and the first pedal (1) is arranged on the side of the pipeline support (3) away from the vehicle platform (9).

4. The ladder climbing device for a down-the-hole drill according to claim 3, characterized in that: A first handrail (4) is also provided on the side of the pipeline support (3) away from the boarding platform (9), and the first handrail (4) is located above the first pedal (1); a second handrail (5) is also provided on the dust collecting pipe installation side (901), and the second handrail (5) is located above the second pedal (2).

5. The ladder climbing device for a down-the-hole drill according to any one of claims 1 to 4, characterized in that: It also comprises a third pedal (6), the third pedal (6) being arranged on the dust collecting pipe installation side (901) and located above the second pedal (2), the third pedal (6) being arranged in an offset manner with the second pedal (2).

6. The ladder climbing device for a down-the-hole drill according to claim 5, characterized in that: It also includes a tool box (7) arranged on the dust collecting pipe installation side (901), the tool box (7) includes a top cover plate (701) and a box body (702), the top cover plate (701) forms the third pedal (6), one end of the top cover plate (701) is hinged to the side wall of the box body (702) through a rotating shaft, and the end of the top cover plate (701) hinged to the box body (702) is close to the boarding platform (9).

7. The ladder climbing device for a down-the-hole drill according to claim 6, characterized in that: A cab (13) of a down-the-hole drill is provided on a side of the tool box (7) away from the second pedal (2), and a third handrail is provided on a side of the cab (13) facing the tool box (7), wherein the third handrail is located above the third pedal (6).

8. The ladder climbing device for a down-the-hole drill according to claim 5, characterized in that: The upper surfaces of the first pedal (1), the second pedal (2) and the third pedal (6) are all provided with anti-slip patterns.

9. A down-the-hole drilling rig, characterized in that: include: A crawler walking device (8), comprising a walking frame (801) and crawlers (802) surrounding opposite sides of the walking frame (801); An onboard platform (9) is arranged above the crawler walking device (8) and is provided with a dust collecting pipe installation side (901), wherein the dust collecting pipe installation side (901) is used for installing a dust collecting pipe (9011); The ladder device for a down-the-hole drill according to any one of claims 1 to 8 is arranged on the installation side (901) of the dust collecting pipe.

10. The down-the-hole drill according to claim 9, characterized in that: The orthographic projection of the first pedal (1) in the height direction of the down-the-hole drilling rig is located on the crawler (802), and a boarding footrest (8011) is provided on a side of the walking frame (801) close to the first pedal (1).

Images