Coal mining roadway supporting mechanism

Abstract

The utility model discloses a coal mining roadway supporting mechanism which comprises a frame body, a plurality of telescopic supporting rods are fixedly installed on the top of the frame body, a herringbone support is fixedly installed on the frame body, protective nets are fixedly installed on the inclined faces of the two sides of the herringbone support, and a material leakage opening is formed in the position, located at the bottom ends of the protective nets, of the top of the frame body in a penetrating mode. A funnel is fixedly installed at the position, corresponding to the material leakage opening, of the bottom of the frame body, and a material storage box is connected to a discharging opening of the funnel through a telescopic pipe; by means of the herringbone support and the protective net which are arranged on the top of the frame body, when rocks fall in a roadway, the rocks roll down along the protective net, fall into the funnel from the material leakage opening and then fall into the storage box from the funnel along the telescopic pipe, workers only need to move the trolley for collecting the rocks to the discharging opening regularly and open the gate mechanism, and then the rocks can be discharged out of the storage box. And then, the gate mechanism is closed, so that the operation is simple and convenient.

Description

Technical Field

[0001] The utility model relates to a support mechanism, in particular to a support mechanism for coal mining roadways. Background Technique

[0002] The roadways in underground coal mines need to be supported by support equipment to keep the roadways unobstructed and the surrounding rocks stable. However, in actual use, due to factors such as powder blasting operations, rock bursts, and transportation, rockfalls often occur in coal mine roadways.

[0003] After retrieval, the patent with the publication number of CN220955657U discloses a support equipment for coal mine roadways. By setting the fixed frame and the inclined protection net plate to be inclined to both sides, the rockfalls falling on the top end of the inclined protection net plate can roll into the collection box. Then, by rotating the turntable to drive the threaded rod to rotate, the collection box can be moved up and down, which is convenient for removing the rockfalls inside the collection box. Therefore, the process of removing the rockfalls is relatively simple and convenient, the workload of removing the rockfalls is small, the efficiency of removing the rockfalls is high, and the overall use effect is good.

[0004] Although the above scheme can collect the rockfalls by using the collection box, it is necessary to drive the collection box to descend through the lifting mechanism to take out and transfer the rockfalls inside the collection box. After taking away the rockfalls, it is also necessary to raise the collection box to reset, which is more troublesome to use and needs to be improved. Content of the Utility Model

[0005] The purpose of the utility model is to provide a support mechanism for coal mining roadways to solve the problems put forward in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical scheme:

[0007] The support mechanism for coal mining roadways includes a frame body. A plurality of telescopic support rods are fixedly installed at the top of the frame body. A herringbone support is fixedly installed on the frame body. Protection nets are fixedly installed on both inclined surfaces of the herringbone support. A material leakage port is penetrated through the top of the frame body at the bottom end of the protection net. A funnel is fixedly installed at the corresponding position of the bottom of the frame body and the material leakage port. The discharge port of the funnel is connected with a storage box through a telescopic pipe. The storage box is fixedly connected with the telescopic support rods. A discharge port is opened at the bottom end of the outer wall of the storage box, and a gate mechanism for the discharge port is installed on the outer wall of the storage box.

[0008] As a further solution of the utility model: The gate mechanism includes a gate plate slidably installed on the storage bin. The gate plate is located at the discharge port. An outer wall of the storage bin above the gate plate is fixedly connected with a nut. A screw rod is cooperatively inserted into the nut. A bottom end of the screw rod is rotationally connected with the gate plate through a bearing seat. A top end of the screw rod is fixedly connected with a hand wheel. An outer wall of the storage bin above the discharge port is fixedly connected with a guide sleeve. The gate plate passes through the guide sleeve.

[0009] As a further solution of the utility model: A guide chute is fixedly installed at a corresponding position between an outer wall of the storage bin and the discharge port. A bottom end of the gate plate is located in the guide chute.

[0010] As a further solution of the utility model: The telescopic support rod includes a sleeve. A bottom end of the sleeve is fixedly connected with a base. An inner rod is slidably inserted into a top of the sleeve. A plurality of positioning holes are penetratingly arranged on an outer wall of the inner rod. A fastening bolt is cooperatively inserted into a threaded hole near a top end of the outer wall of the sleeve. The fastening bolt is adapted to the positioning holes.

[0011] As a further solution of the utility model: The telescopic pipe includes a material conveying pipe. A bottom end of the material conveying pipe is slidably sleeved with a sleeve pipe. A top end of the material conveying pipe is fixedly communicated with a discharge port of the funnel. A bottom end of the sleeve pipe is fixedly communicated with a top of the storage bin. A support rod is fixedly connected to a bottom of the storage bin. And two ends of the support rod are fixedly connected with corresponding sleeves.

[0012] As a further solution of the utility model: A plurality of arch beams are fixedly connected to a top of the frame body. A cross beam is arranged between every two adjacent arch beams. And two ends of the cross beam are fixedly connected with corresponding arch beams. A top of the herringbone support is fixedly connected with the cross beam through a screw. Two ends of the herringbone support are fixedly connected with an inner wall of the frame body through screws.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] With the herringbone support and the protective net arranged on the top of the frame body in the utility model, when falling stones occur in the roadway, the falling stones will roll down along the protective net to fall into the funnel from the material leakage port, and then fall into the storage bin along the telescopic pipe from the funnel. The staff only needs to regularly move the trolley for collecting the falling stones to the discharge port and open the gate mechanism, so that the falling stones collected in the storage bin can slide into the trolley, and then close the gate mechanism, and the operation is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic structural diagram of a support mechanism for a coal mining roadway.

[0016] Figure 2 It is a schematic structural diagram of a telescopic support rod in a support mechanism for a coal mining roadway.

[0017] Figure 3 For Figure 1 The enlarged view at position A in

[0018] Among them, the frame body 1, the telescopic support rod 2, the base 3, the sleeve 4, the inner rod 5, the fastening bolt 6, the positioning hole 7, the arch beam 8, the cross beam 9, the herringbone bracket 10, the protective net 11, the material leakage port 12, the funnel 13, the material conveying pipe 14, the sleeve 15, the storage bin 16, the support rod 17, the discharge port 18, the material guiding groove 19, the gate plate 20, the guide sleeve 21, the nut 22, the screw rod 23, the hand wheel 24. Specific implementation manner

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0020] Please refer to Figures 1 to 3 , in the embodiment of the present invention, the coal mining roadway support mechanism includes a frame body 1. A plurality of telescopic support rods 2 are fixedly installed at the top of the frame body 1. A herringbone bracket 10 is fixedly installed on the frame body 1. Protective nets 11 are fixedly installed on both inclined surfaces of the herringbone bracket 10. A material leakage port 12 is penetrated through the bottom end of the protective net 11 at the top of the frame body 1. A funnel 13 is fixedly installed at the corresponding position of the bottom of the frame body 1 and the material leakage port 12. The discharge port of the funnel 13 is connected to a storage bin 16 through a telescopic pipe. The storage bin 16 is fixedly connected to the telescopic support rod 2. A discharge port 18 is opened at the bottom end of the outer wall of the storage bin 16, and a gate mechanism for the discharge port 18 is installed on the outer wall of the storage bin 16.

[0021] By adopting the above scheme, the present invention utilizes the herringbone bracket 10 and the protective net 11 arranged at the top of the frame body 1. When a rockfall occurs in the roadway, the rockfall will roll down along the protective net 11 and fall into the funnel 13 from the material leakage port 12, and then fall into the storage bin 16 along the telescopic pipe from the funnel 13. The staff only needs to regularly move the trolley for collecting the rockfall to the discharge port 18 and open the gate mechanism, so that the rockfall collected in the storage bin 16 can slide into the trolley, and then close the gate mechanism. The operation is simple and convenient.

[0022] Specifically combined with Figures 1 - 3, in an embodiment of the present utility model, the gate mechanism includes a gate plate 20 slidably mounted on the storage bin 16. The gate plate 20 is located at the discharge opening 18. An outer wall of the storage bin 16 above the gate plate 20 is fixedly connected with a nut 22. A screw rod 23 is fitted through the nut 22. A bottom end of the screw rod 23 is rotatably connected to the gate plate 20 through a bearing seat. A top end of the screw rod 23 is fixedly connected with a hand wheel 24. An outer wall of the storage bin 16 above the discharge opening 18 is fixedly connected with a guide sleeve 21. The gate plate 20 passes through the guide sleeve 21.

[0023] By rotating the screw rod 23 through the hand wheel 24, the cooperation between the screw rod 23 and the nut 22 can be utilized to drive the gate plate 20 to move up and down in the guide sleeve 21, so as to open or close the discharge opening 18, and the operation is simple and convenient.

[0024] Specifically combined with Figure 3 , on the basis of the previous embodiment, further, a guide chute 19 is fixedly installed at a corresponding position of the outer wall of the storage bin 16 and the discharge opening 18. A bottom end of the gate plate 20 is located in the guide chute 19.

[0025] Through the arrangement of the guide chute 19, the falling stones discharged from the discharge opening 18 can be guided, so that it is more convenient to collect the discharged falling stones.

[0026] Specifically combined with Figure 2 , in an embodiment of the present utility model, the telescopic support rod 2 includes a sleeve 4. A bottom end of the sleeve 4 is fixedly connected with a base 3. An inner rod 5 is slidably inserted through a top of the sleeve 4. A plurality of positioning holes 7 are provided through an outer wall of the inner rod 5. A fastening bolt 6 is fitted through a threaded hole near a top end of the outer wall of the sleeve 4. The fastening bolt 6 is adapted to the positioning holes 7.

[0027] By matching the fastening bolt 6 with different positioning holes 7, the support height of the frame 1 can be adjusted, and the operation is simple and convenient.

[0028] Specifically combined with Figure 1 and Figure 2 , in an embodiment of the present utility model, the telescopic pipe includes a feeding pipe 14. A bottom end of the feeding pipe 14 is slidably sleeved with a sleeve 15. A top end of the feeding pipe 14 is fixedly communicated with a discharge port of the funnel 13. A bottom end of the sleeve 15 is fixedly communicated with a top of the storage bin 16. A support rod 17 is fixedly connected to a bottom of the storage bin 16, and both ends of the support rod 17 are fixedly connected to the corresponding sleeves 4.

[0029] By providing a telescopic pipe composed of the feeding pipe 14 and the sleeve 15, after the support height of the frame 1 is adjusted by using the telescopic support rod 2, the falling stones in the funnel 13 can still be accurately introduced into the storage bin 16, and the use effect is good.

[0030] Specific combination Figure 1 and Figure 2 Specifically, in an embodiment of the present utility model, a plurality of arch beams 8 are fixedly connected to the top of the frame body 1. A cross beam 9 is arranged between every two adjacent arch beams 8, and both ends of the cross beam 9 are fixedly connected to the corresponding arch beams 8. The top of the herringbone bracket 10 is fixedly connected to the cross beam 9 by screws, and both ends of the herringbone bracket 10 are fixedly connected to the inner wall of the frame body 1 by screws.

[0031] Through the arrangement of the arch beams 8 and the cross beam 9, the support effect of the support mechanism on the arch top of the roadway can be improved, and the herringbone bracket 10 is fixed to the cross beam 9 and the frame body 1 by screws, which is easy to disassemble, assemble and maintain.

[0032] Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A coal mining tunnel support mechanism, characterized in that: The invention comprises a frame (1), a plurality of telescopic support rods (2) are fixedly mounted on the top of the frame (1), a herringbone support (10) is fixedly mounted on the frame (1), a protective net (11) is fixedly mounted on the inclined surfaces on both sides of the herringbone support (10), a material leakage port (12) is provided through the top of the frame (1) at the bottom end of the protective net (11), a funnel (13) is fixedly mounted at the bottom of the frame (1) corresponding to the material leakage port (12), the discharge port of the funnel (13) is connected to a material storage box (16) through a telescopic tube, the material storage box (16) is fixedly connected to the telescopic support rod (2), a discharge port (18) is provided at the bottom end of the outer wall of the material storage box (16), and a gate mechanism for the discharge port (18) is installed on the outer wall of the material storage box (16).

2. The coal mining tunnel support mechanism according to claim 1, characterized in that: The gate mechanism comprises a gate plate (20) slidably mounted on a material storage box (16), the gate plate (20) being located at a discharge port (18), a nut (22) being fixedly connected to an outer wall of the material storage box (16) located above the gate plate (20), a screw rod (23) being inserted into the nut (22), the bottom end of the screw rod (23) being rotatably connected to the gate plate (20) via a bearing seat, the top end of the screw rod (23) being fixedly connected to a hand wheel (24), the outer wall of the material storage box (16) located above the discharge port (18) being fixedly connected to a guide sleeve (21), the gate plate (20) passing through the guide sleeve (21).

3. The coal mining tunnel support mechanism according to claim 2, characterized in that: A material guide groove (19) is fixedly installed at a position corresponding to the outer wall of the material storage box (16) and the material discharge port (18), and the bottom end of the gate plate (20) is located in the material guide groove (19).

4. The coal mining tunnel support mechanism according to claim 1, characterized in that: The telescopic support rod (2) comprises a sleeve (4), the bottom end of the sleeve (4) is fixedly connected to the base (3), the top of the sleeve (4) is slidably penetrated by an inner rod (5), the outer wall of the inner rod (5) is penetrated by a plurality of positioning holes (7), and the outer wall of the sleeve (4) is penetrated by a fastening bolt (6) through a threaded hole near the top end, and the fastening bolt (6) is adapted to the positioning hole (7).

5. The coal mining tunnel support mechanism according to claim 4, characterized in that: The telescopic tube comprises a material conveying pipe (14), the bottom end of which is slidably sleeved with a sleeve (15), the top end of which is fixedly connected to a material discharge port of a hopper (13), the bottom end of which is fixedly connected to a top of a material storage box (16), the bottom of which is fixedly connected to a support rod (17), and both ends of which are fixedly connected to corresponding sleeves (4).

6. The coal mining tunnel support mechanism according to claim 1, characterized in that: A plurality of arch beams (8) are fixedly connected to the top of the frame (1), a cross beam (9) is provided between every two adjacent arch beams (8), and both ends of the cross beam (9) are fixedly connected to the corresponding arch beam (8), the top of the herringbone bracket (10) is fixedly connected to the cross beam (9) by means of screws, and both ends of the herringbone bracket (10) are fixedly connected to the inner wall of the frame (1) by means of screws.

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