Coal mine anti-impact long-distance top plate blast hole charging auxiliary device

Abstract

The utility model discloses a coal mine anti-impact long-distance top plate blast hole charging auxiliary device which comprises a guide cylinder, a supporting plate is arranged below the guide cylinder, a plurality of inserting and supporting mechanisms are arranged below the supporting plate, and each inserting and supporting mechanism comprises a movable cylinder, an inserting rod round rod, a torsion spring, two fixed frames and two movable plates. A fixing mechanism is arranged at the position, located on the inner sides of the inserting and supporting mechanisms, of the lower portion of the supporting plate, the fixing mechanism comprises a round block, a pressing block, a plurality of extrusion blocks and a plurality of connecting blocks, a threaded block is integrally formed at the top of the supporting plate, and the outer side wall of the threaded block is in threaded connection with the inner side wall of the guide cylinder. According to the anti-impact long-distance top plate blast hole charging auxiliary device for the coal mine, by arranging the inserting and supporting mechanism, an inserting rod is pulled out from the interior of a movable cylinder according to the size of a blast hole, so that the device is inserted into the blast hole, the inserting rod can be inserted into the inner side wall of the blast hole, and the device is prevented from sliding down and moving.

Description

Technical Field

[0001] The invention discloses a charging auxiliary device, in particular to a charging auxiliary device for long-distance roof blasting holes for coal mine anti-bumping. Background Art

[0002] During coal mining, the construction distance of the roof holes used in the working face is relatively short. As the length of the working face increases, the construction and blasting of the long-distance roof blasting holes in the middle of the face are challenged. Due to the increase in construction distance and charging section, charging is very difficult under normal processes.

[0003] Therefore, a charging auxiliary device for coal mine anti-bumping long-distance roof blasting holes is needed to achieve the purpose of hole bottom charging blasting. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a charging auxiliary device for long-distance roof blasting holes for anti-bumping in coal mines, which solves the problems raised by the above-mentioned background technology.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a coal mine anti-bumping long-distance roof blasting hole charging auxiliary device, including a guide cylinder, a support plate is provided below the guide cylinder, and multiple support mechanisms are provided below the support plate. The support mechanisms include a movable cylinder, a round rod, a torsion spring, two fixed frames and two movable plates. A fixing mechanism is provided below the support plate and located on the inner side of the multiple support mechanisms. The fixing mechanism includes a round block, a pressing block, multiple extrusion blocks and multiple connecting blocks. A threaded block is integrally formed on the top of the support plate, and the outer wall of the threaded block is screwed to the inner wall of the guide cylinder.

[0006] Preferably, the round rod passes through the movable cylinder, and the outer side wall of the round rod is rotatably connected to two fixed blocks, a stopper is fixed between the two fixed blocks, the top of the fixed block and the bottom of the support plate are fixedly connected, and the torsion spring is sleeved on the outside of the round rod and located inside the movable cylinder.

[0007] Preferably, the outer wall of the insertion rod and the inner wall of the movable cylinder are slidably connected, the interior of the movable cylinder and the top of the insertion rod are fixedly connected with magnetic blocks, the multiple fixed frames are respectively located on the inner sides of the multiple movable cylinders, and the side of the fixed frame away from the insertion rod is fixedly connected to the inner wall of the movable cylinder.

[0008] Preferably, a movable plate is slidably connected inside the fixed frame, a plurality of the first springs are fixed to the side of the movable plate away from the insertion rod, a plurality of baffle bars are fixed to the end of the movable plate away from the first springs, and a ratchet groove is provided at one end of the insertion rod close to the fixed frame.

[0009] Preferably, the outer side wall of the round block is provided with a plurality of grooves, the inner side wall of the groove is provided with an insertion hole, the bottom of the round block is provided with a circular groove, and the circular groove is communicated with the insertion hole.

[0010] Preferably, a second spring is fixed inside the circular groove, the other end of the second spring is fixedly connected to the top of the pressing block, the outer wall of the pressing block is slidably connected to the inner wall of the circular groove, the outer wall of the pressing block is fixedly connected to the plurality of connecting blocks, and the top of the connecting block is fixedly connected to the bottom of the extrusion block.

[0011] Beneficial Effects

[0012] The utility model provides a coal mine anti-bumping long-distance roof blasting hole charging auxiliary device. Compared with the prior art, it has the following beneficial effects:

[0013] 1. The auxiliary device for charging long-distance roof blasting holes for coal mine anti-bumping is provided with a plug-in support mechanism. According to the size of the blasting hole, the plug rod is pulled out from the inside of the movable tube, so that the device is inserted into the inside of the blasting hole, and the plug rod can be inserted into the inner wall of the blasting hole to prevent the device from sliding down.

[0014] 2. The coal mine anti-bumping long-distance roof blasting hole charging auxiliary device is equipped with a fixing mechanism. When the device is not in use, the plug rod is stored in the inside of the movable cylinder, the movable cylinder is stored in the inside of the groove, and the plug of the plug rod is inserted into the inside of the socket. When in use, the pressing block is pressed, and the pressing block moves with the connecting block and the extrusion block. The extrusion block squeezes the plug of the plug rod, and the plug is squeezed out of the inside of the socket, so that the movable cylinder can be moved out of the groove. In this way, the support mechanism is retracted when not in use to prevent transportation damage. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the structure of the utility model when viewed from above;

[0017] Figure 3 It is a cross-sectional structural diagram of the inserting support mechanism in the utility model;

[0018] Figure 4 For this utility model Figure 3 The structural diagram at A in the middle;

[0019] Figure 5 It is a cross-sectional structural schematic diagram of the fixing mechanism in the utility model;

[0020] Figure 6 It is a structural schematic diagram of the support plate and the threaded block in the utility model.

[0021] In the figure: 1. guide cylinder; 2. support plate; 3. plug-in support mechanism; 4. stopper; 5. circular groove; 6. fixing mechanism; 7. groove; 8. ratchet groove; 9. round rod; 10. fixing block; 11. torsion spring; 12. movable cylinder; 13. plug-in rod; 14. stopper bar; 15. first spring; 16. movable plate; 17. fixing frame; 18. pressing block; 19. connecting block; 20. extrusion block; 21. threaded block; 22. second spring; 23. jack; 24. round block; 25. magnetic block. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-6 The utility model provides a technical solution: a coal mine anti-bumping long-distance roof blasting hole charging auxiliary device, including a guide cylinder 1, a support plate 2 is provided below the guide cylinder 1, and a plurality of plug-in support mechanisms 3 are provided below the support plate 2. The plug-in support mechanisms 3 include a movable cylinder 12, a plug rod 13, a round rod 9, a torsion spring 11, two fixed frames 17 and two movable plates 16. A fixing mechanism 6 is provided on the inner side of the plurality of plug-in support mechanisms 3 below the support plate 2. The fixing mechanism 6 includes a round block 24, a pressing block 18, a plurality of extrusion blocks 20 and a plurality of connecting blocks 19. The top of the support plate 2 is integrally formed with A threaded block 21, the outer wall of the threaded block 21 and the inner wall of the guide cylinder 1 are screwed together, the round rod 9 passes through the movable cylinder 12, the outer wall of the round rod 9 is rotatably connected to two fixed blocks 10, a stopper 4 is fixed between the two fixed blocks 10, the top of the fixed block 10 and the bottom of the support plate 2 are fixedly connected, the torsion spring 11 is sleeved on the outside of the round rod 9 and is located inside the movable cylinder 12, according to the size of the blasting hole, the insertion rod 13 is pulled out from the inside of the movable cylinder 12, so that the device is inserted into the inside of the blasting hole, so that the insertion rod 13 can be inserted into the inner wall of the blasting hole to prevent the device from sliding down and moving.

[0024] Furthermore, the outer wall of the insertion rod 13 is slidably connected to the inner wall of the movable cylinder 12, the interior of the movable cylinder 12 and the top of the insertion rod 13 are fixedly connected with a magnetic block 25, a plurality of fixed frames 17 are respectively located on the inner sides of the plurality of movable cylinders 12, the fixed frames 17 are fixedly connected to the inner wall of the movable cylinder 12 on the side away from the insertion rod 13, a movable plate 16 is slidably connected to the interior of the fixed frame 17, a plurality of first springs 15 are fixed to the side of the movable plate 16 away from the insertion rod 13, a plurality of baffles 14 are fixed to the end of the movable plate 16 away from the first spring 15, a ratchet groove 8 is provided at the end of the insertion rod 13 close to the fixed frame 17, a plurality of grooves 7 are provided on the outer wall of the round block 24, a socket 23 is provided on the inner wall of the groove 7, a circular groove 5 is provided at the bottom of the round block 24, the circular groove 5 is connected to the socket 23, and the interior of the circular groove 5 A second spring 22 is fixed, and the other end of the second spring 22 is fixedly connected to the top of the pressing block 18, the outer wall of the pressing block 18 is slidably connected to the inner wall of the circular groove 5, the outer wall of the pressing block 18 is fixedly connected to multiple connecting blocks 19, and the top of the connecting block 19 is fixedly connected to the bottom of the extrusion block 20. When the device is not in use, the insertion rod 13 is stored in the inside of the movable cylinder 12, the movable cylinder 12 is stored in the inside of the groove 7, and the plug of the insertion rod 13 is inserted into the inside of the socket 23. When in use, the pressing block 18 is pressed, and the pressing block 18 moves with the connecting block 19 and the extrusion block 20, and the extrusion block 20 squeezes the plug of the insertion rod 13, and the plug is squeezed out of the inside of the socket 23, so that the movable cylinder 12 can be moved out of the groove 7, so that the support mechanism 3 is retracted when not in use, to prevent transportation damage and reduce space.

[0025] During operation, when the device is not in use, the insertion rod 13 is stored in the movable cylinder 12, the movable cylinder 12 is stored in the groove 7, and the plug of the insertion rod 13 is inserted into the socket 23. When in use, the pressing block 18 is pressed, and the pressing block 18 moves with the connecting block 19 and the squeezing block 20, and the squeezing block 20 squeezes the plug of the insertion rod 13, and the plug is squeezed out of the socket 23, so that the movable cylinder 12 can be moved out of the groove 7. According to the size of the blasting hole, the insertion rod 13 is pulled out from the movable cylinder 12, so that the device is inserted into the blasting hole, and the insertion rod 13 can be inserted into the inner wall of the blasting hole to prevent the device from sliding down.

[0026] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A coal mine anti-bumping long-distance roof blasting hole charging auxiliary device, comprising a guide tube (1), characterized in that: A support plate (2) is provided below the guide cylinder (1), and a plurality of plug-in support mechanisms (3) are provided below the support plate (2). The plug-in support mechanisms (3) include a movable cylinder (12), an inserting rod (13), a round rod (9), a torsion spring (11), two fixing frames (17) and two movable plates (16). A fixing mechanism (6) is provided below the support plate (2) and located inside the plurality of plug-in support mechanisms (3). The fixing mechanism (6) includes a round block (24), a pressing block (18), a plurality of extrusion blocks (20) and a plurality of connecting blocks (19). A threaded block (21) is integrally formed on the top of the support plate (2), and the outer wall of the threaded block (21) is screwed to the inner wall of the guide cylinder (1).

2. The auxiliary device for charging long-distance roof blasting holes for coal mine anti-bumping according to claim 1 is characterized by: The round rod (9) passes through the movable cylinder (12); the outer side wall of the round rod (9) is rotatably connected to two fixed blocks (10); a stopper (4) is fixed between the two fixed blocks (10); the top of the fixed block (10) is fixedly connected to the bottom of the support plate (2); and the torsion spring (11) is sleeved on the outside of the round rod (9) and is located inside the movable cylinder (12).

3. The auxiliary device for charging long-distance roof blasting holes for coal mine anti-bumping according to claim 2 is characterized by: The outer wall of the insertion rod (13) and the inner wall of the movable cylinder (12) are slidably connected, the interior of the movable cylinder (12) and the top of the insertion rod (13) are fixedly connected with a magnetic block (25), a plurality of fixed frames (17) are respectively located on the inner sides of a plurality of movable cylinders (12), and a side of the fixed frame (17) away from the insertion rod (13) is fixedly connected to the inner wall of the movable cylinder (12).

4. The auxiliary device for charging long-distance roof blasting holes for coal mine anti-bumping according to claim 3 is characterized by: A movable plate (16) is slidably connected inside the fixed frame (17); a plurality of first springs (15) are fixed to a side of the movable plate (16) away from the insertion rod (13); a plurality of retaining bars (14) are fixed to an end of the movable plate (16) away from the first springs (15); and a ratchet groove (8) is provided at one end of the insertion rod (13) close to the fixed frame (17).

5. The auxiliary device for charging long-distance roof blasting holes for coal mine anti-bumping according to claim 4 is characterized by: The outer wall of the round block (24) is provided with a plurality of grooves (7), the inner wall of the groove (7) is provided with an insertion hole (23), and the bottom of the round block (24) is provided with a circular groove (5), and the circular groove (5) and the insertion hole (23) are connected.

6. The auxiliary device for charging long-distance roof blasting holes for coal mine anti-bumping according to claim 5 is characterized by: A second spring (22) is fixed inside the circular groove (5); the other end of the second spring (22) is fixedly connected to the top of the pressing block (18); the outer wall of the pressing block (18) is slidably connected to the inner wall of the circular groove (5); the outer wall of the pressing block (18) is fixedly connected to the plurality of connecting blocks (19); and the top of the connecting block (19) is fixedly connected to the bottom of the extrusion block (20).

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