Auxiliary pipe feeding device of crossing drilling sealing pipeline for coal mine

Abstract

The utility model relates to an auxiliary pipe feeding device of a crossing drilling sealing pipeline for a coal mine, which comprises an operation platform, and a first pipe clamping wheel, a second pipe clamping wheel, a third pipe clamping wheel and a fourth pipe clamping wheel which are arranged on the operation platform, the third pipe clamping wheel and the fourth pipe clamping wheel are arranged side by side in parallel, the third pipe clamping wheel is arranged on the front side of the first pipe clamping wheel, the fourth pipe clamping wheel is arranged on the front side of the second pipe clamping wheel, and the distance between the first pipe clamping wheel and the second pipe clamping wheel and the distance between the third pipe clamping wheel and the fourth pipe clamping wheel are both adjustable. Central shafts of the first pipe clamping wheel, the second pipe clamping wheel, the third pipe clamping wheel and the fourth pipe clamping wheel are respectively connected with a first distance adjusting device and a second distance adjusting device, and two groups of angle adjusting devices are arranged on the base. According to the utility model, the distance between each group of pipe clamping wheels can be adjusted, so that the semi-automatic pipe feeding function of underground cross-layer gas extraction drilling is realized, time and labor are saved, and the hole sealing operation efficiency and safety are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas extraction drilling hole sealing device for coal mine especially relates to a kind of auxiliary pipe feeding device of coal mine through layer drilling hole sealing pipe line. BACKGROUND

[0002] In the process of coal mining, with the requirement of gas control is higher and higher, the role of through layer drilling hole is also more and more big, through floor extraction roadway construction through layer drilling hole quantity is also more and more, hydraulic punching, hydraulic fracturing and other hydraulic measures are all need to be constructed through through layer drilling hole.But the existing through layer drilling hole sends extraction pipe, hydraulic measure pipe all need to be operated by artificial, not only inefficient, but also to the personal safety of pipe feeding worker Cause influence.Therefore, an angle adjustable, automatically pipe feeding device is urgently needed. SUMMARY

[0003] The utility model aims at overcoming above-mentioned insufficient, provide a kind of auxiliary pipe feeding device of coal mine through layer drilling hole sealing pipe line, reduce the labor intensity of worker, improve pipe feeding efficiency, improve the safety of pipe feeding operation, provide strong support for gas area control.

[0004] The utility model is realized as follows:

[0005] A kind of auxiliary pipe feeding device of coal mine through layer drilling hole sealing pipe line, including operation platform and the first pipe clamping wheel, second pipe clamping wheel, third pipe clamping wheel and fourth pipe clamping wheel being set on operation platform, the first pipe clamping wheel and second pipe clamping wheel are arranged side by side in parallel, the third pipe clamping wheel and fourth pipe clamping wheel are arranged side by side in parallel, the third pipe clamping wheel is set in the front side of first pipe clamping wheel, the fourth pipe clamping wheel is set in the front side of second pipe clamping wheel, the spacing between the first pipe clamping wheel and second pipe clamping wheel and the spacing between the third pipe clamping wheel and fourth pipe clamping wheel are all adjustable, for clamping through layer drilling hole sealing pipe line;

[0006] The center axis of the first pipe clamping wheel, second pipe clamping wheel, third pipe clamping wheel and fourth pipe clamping wheel passes through operation platform and is connected with first distance adjusting device and second distance adjusting device respectively;

[0007] The first pipe clamping wheel and the second pipe clamping wheel are connected with a first distance adjusting device, the first distance adjusting device comprises a first distance adjusting hand wheel and a first distance adjusting screw, the threads of the left and right parts of the first distance adjusting screw are opposite in rotation direction, and are divided into a left thread segment and a right thread segment, a nut is sleeved on the left thread segment and connected with the central shaft of the first pipe clamping wheel, a nut is sleeved on the right thread segment and connected with the central shaft of the second pipe clamping wheel, a first distance adjusting hand wheel is arranged at the end of the first distance adjusting screw, the first distance adjusting hand wheel is rotated to drive the first distance adjusting screw to rotate, the left and right nuts on the first distance adjusting screw drive the first pipe clamping wheel and the second pipe clamping wheel to move close to or away from each other, the distance between the first pipe clamping wheel and the second pipe clamping wheel is adjusted, and the pipe line passing through the layer drilled and sealed is clamped or released; the third pipe clamping wheel and the fourth pipe clamping wheel are connected with a second distance adjusting device, and the structure of the second distance adjusting device is the same as that of the first distance adjusting device.

[0008] The central shaft of the first pipe clamping wheel is connected with a first hydraulic motor, the first pipe clamping wheel is driven to rotate by the first hydraulic motor, the central shaft of the second pipe clamping wheel is connected with a second hydraulic motor, and the second pipe clamping wheel is driven to rotate by the second hydraulic motor.

[0009] The base is further provided with a first angle adjusting device and a second angle adjusting device, and the first angle adjusting device and the second angle adjusting device drive the base to ascend and descend.

[0010] Further, long groove is arranged on the operation platform corresponding to the positions of the first pipe clamping wheel, the second pipe clamping wheel, the third pipe clamping wheel and the fourth pipe clamping wheel, and the long groove is a moving space for the distance adjustment of the first pipe clamping wheel, the second pipe clamping wheel, the third pipe clamping wheel and the fourth pipe clamping wheel.

[0011] Further, the central shafts of the first pipe clamping wheel, the second pipe clamping wheel, the third pipe clamping wheel and the fourth pipe clamping wheel pass through the corresponding long grooves and are connected with the first distance adjusting device and the second distance adjusting device respectively.

[0012] Further, the second distance adjusting device comprises a second distance adjusting hand wheel and a second distance adjusting screw, the threads of the left and right parts of the second distance adjusting screw are opposite in rotation direction, and are divided into a left thread segment and a right thread segment, a nut is sleeved on the left thread segment and connected with the central shaft of the third pipe clamping wheel, a nut is sleeved on the right thread segment and connected with the central shaft of the fourth pipe clamping wheel, a second distance adjusting hand wheel is arranged at the end of the second distance adjusting screw, the second distance adjusting hand wheel is rotated to drive the second distance adjusting screw to rotate, the left and right nuts on the second distance adjusting screw drive the third pipe clamping wheel and the fourth pipe clamping wheel to move close to or away from each other, the distance between the third pipe clamping wheel and the fourth pipe clamping wheel is adjusted, and the pipe line passing through the layer drilled and sealed is clamped or released.

[0013] Further, the first pipe clamping wheel rotates counterclockwise to the direction of the through-hole drilling sealing pipe, and the second pipe clamping wheel rotates clockwise to the direction of the through-hole drilling sealing pipe; after clamping the through-hole drilling sealing pipe, the first hydraulic motor and the second hydraulic motor are started to realize forward conveying of the through-hole drilling sealing pipe.

[0014] Further, the operation platform is provided with front and rear supporting rollers arranged in front and rear directions, the front supporting roller is arranged on the front side of the third pipe clamping wheel and the fourth pipe clamping wheel, the rear supporting roller is arranged on the rear side of the first pipe clamping wheel and the second pipe clamping wheel, and the front and rear supporting rollers are arranged above the through-hole drilling sealing pipe to limit the running direction of the pipe.

[0015] Further, the front and rear supporting rollers are arranged on the operation platform through supporting roller seats.

[0016] Further, the bottom of the operation platform is provided with a base support, the base includes four vertical columns arranged below the operation platform, and one long cross bar is arranged between the two adjacent vertical columns on the front side.

[0017] Further, the left and right parts of the long cross bar are connected with a first angle adjusting device and a second angle adjusting device respectively, the first angle adjusting device includes an angle adjusting hand wheel, an angle adjusting long bolt, an angle adjusting nut and a base, the top end of the angle adjusting long bolt is sleeved with the angle adjusting hand wheel, the bottom end is supported by the base, the angle adjusting long bolt is sleeved with the angle adjusting nut, and the angle adjusting nut is connected with the long cross bar; the second angle adjusting device has the same structure as the first angle adjusting device.

[0018] Further, the operation platform is also provided with left and right handles to facilitate lifting and conveying.

[0019] Compared with the prior art, the operation platform has the advantages that:

[0020] The operation platform can realize automatic pipe conveying through the front and rear pipe clamping wheels, and the distance between the pipe clamping wheels in each group can be adjusted to realize semi-automatic pipe conveying function of the through-hole gas extraction drilling in the well, the front end of the operation platform can be lifted to adjust the angle of the pipe, and the sealing pipe is more accurate in alignment; the operation platform realizes mechanization and automation of pipe conveying, saves time and effort, improves sealing operation efficiency and safety, and solves the problem of difficult manual conveying of the metal pipe in the hydraulic measure, and the operation platform is portable, convenient to convey and easy and convenient to operate, and has high popularization value. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is one of the structural schematic views of the operation platform.

[0022] Figure 2 It is the second structural schematic view of the operation platform.

[0023] Figure 3 The top view of the utility model.

[0024] Among them:

[0025] Operation platform 1, base 2, stand 2.1, long cross bar 2.2, first pipe clamping wheel 3, second pipe clamping wheel 4, third pipe clamping wheel 5, fourth pipe clamping wheel 6, first hydraulic motor 7, second hydraulic motor 8, first distance adjusting device 9, first distance adjusting hand wheel 9.1, first distance adjusting screw 9.2, second distance adjusting device 10, second distance adjusting hand wheel 10.1, second distance adjusting screw 10.2, first angle adjusting device 11, angle adjusting hand wheel 11.1, angle adjusting long bolt 11.2, angle adjusting nut 11.3, chassis 11.4, second angle adjusting device 12, front supporting roller 13, rear supporting roller 14, supporting roller seat 15, handle 16, through layer drilling sealing pipe line 17. DETAILED DESCRIPTION

[0026] In order to better understand the technical scheme of the utility model, the following will be combined with relevant drawings to make detailed description. It should be understood that the following specific examples are not used to limit the specific implementation of the technical scheme of the utility model, and it is only the implementation of the technical scheme of the utility model. It should be pointed out that the description of the position relationship of each component in this paper, such as A component is located above B component, is based on the description of the relative position of each component in the drawing, and is not used to limit the actual position relationship of each component. Example 1

[0027] Referring to Figures 1-3 , Figure 1 A structure diagram of an auxiliary pipe feeding device of a through layer drilling sealing pipe line for coal mine is drawn. As shown in the figure, the auxiliary pipe feeding device of the through layer drilling sealing pipe line for coal mine of the utility model, including operation platform 1 and first pipe clamping wheel 3, second pipe clamping wheel 4, third pipe clamping wheel 5 and fourth pipe clamping wheel 6 arranged on the operation platform 1, the first pipe clamping wheel 3 and the second pipe clamping wheel 4 are arranged side by side in parallel, the third pipe clamping wheel 5 and the fourth pipe clamping wheel 6 are arranged side by side in parallel, the third pipe clamping wheel 5 is arranged on the front side of the first pipe clamping wheel 3, the fourth pipe clamping wheel 6 is arranged on the front side of the second pipe clamping wheel 4, the distance between the first pipe clamping wheel 3 and the second pipe clamping wheel 4 and the distance between the third pipe clamping wheel 5 and the fourth pipe clamping wheel 6 can be adjusted, and the through layer drilling sealing pipe line 17 is clamped.

[0028] The position corresponding to the first pipe clamping wheel 3, the second pipe clamping wheel 4, the third pipe clamping wheel 5 and the fourth pipe clamping wheel 6 on the operation platform 1 is provided with a long slot, and the long slot is the moving space when the distance of the first pipe clamping wheel 3, the second pipe clamping wheel 4, the third pipe clamping wheel 5 and the fourth pipe clamping wheel 6 is adjusted; the center shaft of the first pipe clamping wheel 3, the second pipe clamping wheel 4, the third pipe clamping wheel 5 and the fourth pipe clamping wheel 6 respectively passes through the corresponding long slot and is connected with the first distance adjusting device 9 and the second distance adjusting device 10.

[0029] The first pipe clamping wheel 3 and the second pipe clamping wheel 4 are connected to the first distance adjusting device 9, the first distance adjusting device 9 comprises a first distance adjusting hand wheel 9.1 and a first distance adjusting screw 9.2, the threads of the left and right parts of the first distance adjusting screw 9.2 are opposite in rotation direction, and are divided into a left thread segment and a right thread segment, a nut is sleeved on the left thread segment and connected with the central shaft of the first pipe clamping wheel 3, a nut is sleeved on the right thread segment and connected with the central shaft of the second pipe clamping wheel 4, a first distance adjusting hand wheel 9.1 is arranged at the end of the first distance adjusting screw 9.2, the first distance adjusting hand wheel 9.1 drives the first distance adjusting screw 9.2 to rotate by rotating, and the two nuts on the first distance adjusting screw 9.2 drive the first pipe clamping wheel 3 and the second pipe clamping wheel 4 to move close to or away from each other, so as to adjust the distance between the first pipe clamping wheel 3 and the second pipe clamping wheel 4, and clamp or loosen the through-hole sealing pipe 17.

[0030] The third pipe clamping wheel 5 and the fourth pipe clamping wheel 6 are connected to the second distance adjusting device 10, the structure of the second distance adjusting device 10 is the same as that of the first distance adjusting device 9, the second distance adjusting device 10 comprises a second distance adjusting hand wheel 10.1 and a second distance adjusting screw 10.2, the threads of the left and right parts of the second distance adjusting screw 10.2 are opposite in rotation direction, and are divided into a left thread segment and a right thread segment, a nut is sleeved on the left thread segment and connected with the central shaft of the third pipe clamping wheel 5, a nut is sleeved on the right thread segment and connected with the central shaft of the fourth pipe clamping wheel 6, a second distance adjusting hand wheel 10.1 is arranged at the end of the second distance adjusting screw 10.2, the second distance adjusting hand wheel 10.1 drives the second distance adjusting screw 10.2 to rotate by rotating, and the two nuts on the second distance adjusting screw 10.2 drive the third pipe clamping wheel 5 and the fourth pipe clamping wheel 6 to move close to or away from each other, so as to adjust the distance between the third pipe clamping wheel 5 and the fourth pipe clamping wheel 6, and clamp or loosen the through-hole sealing pipe 17.

[0031] The central shaft of the first pipe clamping wheel 3 is connected to the first hydraulic motor 7, the first pipe clamping wheel 3 is driven to rotate by the first hydraulic motor 7, the central shaft of the second pipe clamping wheel 4 is connected to the second hydraulic motor 8, the second pipe clamping wheel 4 is driven to rotate by the second hydraulic motor 8, the first pipe clamping wheel 3 rotates counterclockwise to the direction of the through-hole sealing pipe 17, the second pipe clamping wheel 4 rotates clockwise to the direction of the through-hole sealing pipe 17, the first hydraulic motor 7 and the second hydraulic motor 8 are started after the through-hole sealing pipe 17 is clamped, so as to realize the forward conveying of the through-hole sealing pipe 17, and the third pipe clamping wheel 5 and the fourth pipe clamping wheel 6 play a guiding role.

[0032] The operation platform 1 is provided with front supporting rollers 13 and rear supporting rollers 14 arranged in front and back, the front supporting rollers 13 and the rear supporting rollers 14 are arranged on the operation platform 1 through supporting roller seats 15 respectively, the front supporting rollers 13 are arranged on the front side of the third pipe clamping wheel 5 and the fourth pipe clamping wheel 6, the rear supporting rollers 14 are arranged on the rear side of the first pipe clamping wheel 3 and the second pipe clamping wheel 4, and the front supporting rollers 13 and the rear supporting rollers 14 are arranged above the through-hole sealing pipe 17, so as to limit the pipe route and avoid the through-hole sealing pipe 17 from being separated.

[0033] The operation platform 1 is provided with front supporting rollers 13 and rear supporting rollers 14 arranged in front and back, the front supporting rollers 13 and the rear supporting rollers 14 are arranged on the operation platform 1 through supporting roller seats 15 respectively, the front supporting rollers 13 are arranged on the front side of the third pipe clamping wheel 5 and the fourth pipe clamping wheel 6, the rear supporting rollers 14 are arranged on the rear side of the first pipe clamping wheel 3 and the second pipe clamping wheel 4, and the front supporting rollers 13 and the rear supporting rollers 14 are arranged above the through-hole sealing pipe 17, so as to limit the pipe route and avoid the through-hole sealing pipe 17 from being separated.

[0034] The left and right parts of the long cross bar 2.2 are connected with the first angle adjusting device 11 and the second angle adjusting device 12 respectively, the first angle adjusting device 11 comprises an angle adjusting hand wheel 11.1, an angle adjusting long bolt 11.2, an angle adjusting nut 11.3 and a bottom disc 11.4, the top end of the angle adjusting long bolt 11.2 is sleeved with the angle adjusting hand wheel 11.1, the bottom end is provided with the bottom disc 11.4 for support, the angle adjusting long bolt 11.2 is sleeved with the angle adjusting nut 11.3, and the angle adjusting nut 11.3 is connected with the long cross bar 2.2, the angle adjusting nut 11.3 is lifted by rotating the angle adjusting hand wheel 11.1, so as to drive the long cross bar 2.2 to lift, the front end of the operation platform 1 is lifted, the front end lifting angle of the through-hole sealing pipe 17 can be adjusted, and the position of the through-hole sealing pipe 17 is more accurate.

[0035] The structure of the second angle adjusting device 12 is same as that of the first angle adjusting device 11.

[0036] The operation platform 1 is further provided with left and right handles 16, so as to be convenient for lifting and conveying.

[0037] Working principle:

[0038] The utility model provides a kind of auxiliary pipe feeding device of through-hole sealing pipe for coal mine, after gas extraction drilling construction, through-hole sealing pipe is worn to two supporting rollers below, pipe clamping wheel between, it is clamped by rotating adjusting hand wheel, operating handle makes hydraulic drive motor, motor drives pipe clamping wheel, pipe clamping wheel rotation drives through-hole sealing pipe, makes through-hole sealing pipe advance to drilling, to realize that through-hole sealing pipe all enters drilling.

[0039] The above is only the specific application example of the utility model, and does not constitute any limitation on the protection scope of the utility model. Any technical solution formed by equivalent transformation or equivalent replacement falls within the protection scope of the utility model.

Claims

1. An auxiliary pipe feeding device for coal mine through-layer drilling and sealing pipelines, characterized by: The invention comprises an operating platform (1) and a first pipe clamping wheel (3), a second pipe clamping wheel (4), a third pipe clamping wheel (5) and a fourth pipe clamping wheel (6) arranged on the operating platform (1); the first pipe clamping wheel (3) and the second pipe clamping wheel (4) are arranged side by side in parallel; the third pipe clamping wheel (5) and the fourth pipe clamping wheel (6) are arranged side by side in parallel; the third pipe clamping wheel (5) is arranged in front of the first pipe clamping wheel (3); the fourth pipe clamping wheel (6) is arranged in front of the second pipe clamping wheel (4); the spacing between the first pipe clamping wheel (3) and the second pipe clamping wheel (4) and the spacing between the third pipe clamping wheel (5) and the fourth pipe clamping wheel (6) are adjustable, and are used for clamping a through-layer drilling and sealing pipeline (17); The central axes of the first clamping wheel (3), the second clamping wheel (4), the third clamping wheel (5) and the fourth clamping wheel (6) pass through the operating platform (1) and are respectively connected to the first distance adjusting device (9) and the second distance adjusting device (10); The first clamping wheel (3) and the second clamping wheel (4) are connected to a first distance adjustment device (9), and the first distance adjustment device (9) includes a first distance adjustment hand wheel (9.1) and a first distance adjustment screw (9.2). The left and right parts of the first distance adjustment screw (9.2) have opposite thread rotation directions and are divided into a left thread section and a right thread section. The left thread section is provided with a nut connected to the central axis of the first clamping wheel (3), and the right thread section is provided with a nut connected to the central axis of the second clamping wheel (4). The end of the first distance adjustment screw (9.2) is provided with a first distance adjustment hand wheel (9 .1), by rotating the first distance adjusting hand wheel (9.1), the first distance adjusting screw (9.2) is driven to rotate, and the left and right nuts on the first distance adjusting screw (9.2) drive the first clamping wheel (3) and the second clamping wheel (4) to move closer or farther away, thereby adjusting the spacing between the first clamping wheel (3) and the second clamping wheel (4), thereby clamping or loosening the through-layer drilling and sealing pipeline (17); the third clamping wheel (5) and the fourth clamping wheel (6) are connected to the second distance adjusting device (10), and the structure of the second distance adjusting device (10) is the same as that of the first distance adjusting device (9); The central axis of the first pipe clamping wheel (3) is connected to a first hydraulic motor (7), and the first pipe clamping wheel (3) is driven to rotate by the first hydraulic motor (7); the central axis of the second pipe clamping wheel (4) is connected to a second hydraulic motor (8), and the second pipe clamping wheel (4) is driven to rotate by the second hydraulic motor (8); A base (2) is provided below the operating platform (1) for support, and a first angle adjustment device (11) and a second angle adjustment device (12) are also provided on the base (2). The first angle adjustment device (11) and the second angle adjustment device (12) drive the base (2) to rise and fall.

2. The auxiliary pipe feeding device for coal mine through-layer drilling and sealing pipeline according to claim 1, characterized in that: The operating platform (1) is provided with long grooves at positions corresponding to the first clamping wheel (3), the second clamping wheel (4), the third clamping wheel (5) and the fourth clamping wheel (6), and the long grooves serve as movement spaces when adjusting the spacing between the first clamping wheel (3), the second clamping wheel (4), the third clamping wheel (5) and the fourth clamping wheel (6).

3. The auxiliary pipe feeding device for coal mine through-layer drilling and sealing pipeline according to claim 2, characterized in that: The central axes of the first clamping wheel (3), the second clamping wheel (4), the third clamping wheel (5) and the fourth clamping wheel (6) pass through corresponding long slots and are connected to the first distance adjusting device (9) and the second distance adjusting device (10) respectively.

4. The auxiliary pipe delivery device for coal mine through-layer drilling and sealing pipeline according to claim 1, characterized in that: The second pitch adjustment device (10) comprises a second pitch adjustment hand wheel (10.1) and a second pitch adjustment screw (10.2). The left and right parts of the second pitch adjustment screw (10.2) have opposite thread rotation directions and are divided into a left thread section and a right thread section. The left thread section is provided with a nut connected to the central axis of the third clamping wheel (5), and the right thread section is provided with a nut connected to the central axis of the fourth clamping wheel (6). The end of the second pitch adjustment screw (10.2) is provided with a second pitch adjustment hand wheel (10.1). By rotating the second pitch adjustment hand wheel (10.1), the second pitch adjustment screw (10.2) is driven to rotate. The left and right nuts on the second pitch adjustment screw (10.2) drive the third clamping wheel (5) and the fourth clamping wheel (6) to move closer or farther away, thereby adjusting the spacing between the third clamping wheel (5) and the fourth clamping wheel (6), thereby clamping or loosening the through-layer drilling and sealing pipeline (17).

5. The auxiliary pipe feeding device for coal mine through-layer drilling and sealing pipeline according to claim 1, characterized in that: The first clamping wheel (3) rotates counterclockwise toward the through-layer drilling and sealing pipeline (17), and the second clamping wheel (4) rotates clockwise toward the through-layer drilling and sealing pipeline (17). After clamping the through-layer drilling and sealing pipeline (17), the first hydraulic motor (7) and the second hydraulic motor (8) are started to realize the forward transportation of the through-layer drilling and sealing pipeline (17).

6. The auxiliary pipe delivery device for coal mine through-layer drilling and sealing pipeline according to claim 1, characterized in that: The operating platform (1) is provided with a front roller (13) and a rear roller (14) arranged in front and back, the front roller (13) being arranged in front of the third clamping wheel (5) and the fourth clamping wheel (6), and the rear roller (14) being arranged in the rear of the first clamping wheel (3) and the second clamping wheel (4), and the front roller (13) and the rear roller (14) being arranged above the through-layer drilling and sealing pipeline (17) for limiting the direction of the pipeline.

7. The auxiliary pipe delivery device for coal mine through-layer drilling and sealing pipeline according to claim 6, characterized in that: The front idler (13) and the rear idler (14) are respectively arranged on the operating platform (1) via idler seats (15).

8. The auxiliary pipe delivery device for coal mine through-layer drilling and sealing pipeline according to claim 1, characterized in that: The base (2) comprises four upright posts (2.1) arranged below the operating platform (1), and a long crossbar (2.2) is provided between two adjacent upright posts (2.1) on the front side for connection.

9. The auxiliary pipe delivery device for coal mine through-layer drilling and sealing pipeline according to claim 8, characterized in that: The left and right parts of the long cross bar (2.2) are respectively connected to a first angle adjustment device (11) and a second angle adjustment device (12); the first angle adjustment device (11) comprises an angle adjustment handwheel (11.1), an angle adjustment long bolt (11.2), an angle adjustment nut (11.3) and a chassis (11.4); the top end of the angle adjustment long bolt (11.2) is sleeved with the angle adjustment handwheel (11.1), and the bottom end is provided with a chassis (11.4) for support; the angle adjustment nut (11.3) is sleeved on the angle adjustment long bolt (11.2), and the angle adjustment nut (11.3) is connected to the long cross bar (2.2); the structure of the second angle adjustment device (12) is the same as that of the first angle adjustment device (11).

10. The auxiliary pipe delivery device for coal mine through-layer drilling and sealing pipeline according to claim 1, characterized in that: The operating platform (1) is also provided with two left and right handles (16) for easy lifting and transportation.

Images