Roadway surrounding rock protection system

Abstract

The utility model relates to the technical field of roadway surrounding rock protection, in particular to a roadway surrounding rock protection system which comprises a plurality of sets of corresponding supporting columns, inserting grooves are formed in the tops of the supporting columns, inserting columns are arranged at the bottoms of the supporting columns, and a plurality of connecting bases are arranged on the side walls of the supporting columns. A reinforcing assembly is arranged between every two adjacent supporting columns located on the same side face in the horizontal direction, and a top plate assembly is arranged between every two adjacent supporting columns located on the same longitudinal position in the vertical direction. According to the roadway surrounding rock protection system, under the cooperation of a plurality of supporting columns, supporting cooperation of roadways of different heights is achieved, the supporting columns in the vertical direction are matched with inserting grooves in an inserted mode through inserting columns, the supporting columns in the horizontal direction are combined and connected through reinforcing assemblies, and the tops of the supporting columns are matched with a top plate assembly, so that stable supporting protection cooperation is achieved; the multiple reinforcing rods are combined and connected through the screws, the combination stability is improved, the two cross beams are combined and connected through the connecting rods, and stable supporting and protection matching is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel surrounding rock protection, in particular to a tunnel surrounding rock protection system. Background Art

[0002] In underground mining, the tunnel is the throat of a mine's efficient operation. Ventilation and drainage, the transportation of ore and waste rock, and personnel entry and exit all rely on the tunnel. During the excavation of coal mine tunnels, the selection of support devices is often a key factor in ensuring tunnel safety.

[0003] The utility model with the announcement number CN212690064U discloses a temporary support system for a tunnel, including a support base plate, a left side support guard plate, a right side support guard plate, and a roof support beam, as well as a first hydraulic drive device, a second hydraulic drive device, a third hydraulic drive device, a fourth hydraulic drive device and a hydraulic control device;

[0004] The above technical solution connects the top plate support beam, left and right side support guard plates and support bottom plate through the application of hydraulic drive device. In addition to supporting the surrounding rock of the tunnel top, it also supports the left and right sides of the tunnel and the bottom plate surrounding rock to form a stable and closed support structure. Compared with traditional temporary support devices, it can produce better support effects and greatly improve the safety of protection. On the other hand, the overall device is simple and reasonable, easy to assemble and disassemble, and can reduce the labor intensity of underground workers. However, the tunnel surrounding rock protection is not convenient for strengthening the support protection structure, cannot increase the compressive resistance, and is not convenient for rapid assembly and combination between adjacent parts, and the disassembly and assembly are not simple and flexible enough. Utility Model Content

[0005] The purpose of the utility model is to provide a tunnel surrounding rock protection system to solve the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A tunnel surrounding rock protection system includes multiple groups of corresponding support columns, each of which is provided with a slot on the top, an insert column on the bottom, and a plurality of connecting seats on the side walls of the support columns. A reinforcement component is provided between two adjacent support columns located on the same side in the horizontal direction, and a top plate component is provided between adjacent support columns located at the same longitudinal position in the vertical direction.

[0008] Preferably, the reinforcement assembly includes a plurality of evenly arranged reinforcement rods and symmetrical screw rods penetrating the reinforcement rods.

[0009] In the present invention, with the cooperation of multiple reinforcing rods, the stability of the connection between the two support columns in the horizontal direction is increased, and with the cooperation of the symmetrical screw rods, the stability of the combination between the multiple reinforcing rods is achieved.

[0010] Preferably, the connecting seat is welded and fixed to the support column, a fixing hole is provided at the outer end of the connecting seat, a through hole connected to the fixing hole is provided on the outer wall of the connecting seat, and a fixing bolt is provided in the through hole.

[0011] In the utility model, with the cooperation of the connecting seat, a stable and fast combined connection of the reinforcing rods between the two support columns is achieved, and with the cooperation of the fixing bolts, the reinforcing rods and the connecting seat are combined and fixed.

[0012] Preferably, the diameter of the end portion of the reinforcing rod is adapted to the inner diameter of the fixing hole, and a screw hole is provided on the end portion of the reinforcing rod at a position corresponding to the through hole.

[0013] In the utility model, a reinforcing rod is provided for plug-in installation with a fixing hole, and a fixing bolt passes through the through hole and is threadedly connected with the screw hole, thereby increasing the stability of the combined installation. Removal of the fixing bolt helps to separate the reinforcing rod from the connecting seat.

[0014] Preferably, sliding holes are provided on the reinforcing rods at positions corresponding to the screw rods, the diameter of the screw rods matches the inner diameter of the sliding holes, a nut is provided at the bottom of the screw rods, and the screw rods pass through the sliding holes in the vertical direction in sequence.

[0015] In the utility model, two screws pass through the sliding holes respectively to realize the combined fixation between the reinforcing rods, thereby increasing the stability of the combined structure. The top of the screw cooperates with the fixing cap, and the nut limits the position of the bottom of the screw, thereby increasing the stability of the installation and realizing a stable combination of the reinforcing rods in the vertical direction.

[0016] Preferably, the top plate assembly includes a symmetrical crossbeam and several connecting rods clamped on the crossbeam, and plug rods are provided at both ends of the bottom of the crossbeam. Several through slots are opened on the crossbeam, and grooves are symmetrically provided in the through slots. Bosses are provided at both ends of the bottom of the connecting rod corresponding to the grooves.

[0017] In the present invention, the provision of the insertion rod helps the two ends of the beam to be plugged into and matched with the corresponding support column tops. With the cooperation of the convex column, it helps to closely plug into and match with the groove, and with the cooperation of the connecting rod, the stability of the combination between the two beams is achieved.

[0018] Preferably, the insertion rod and the crossbeam are an integrally formed structure, and the width of the outer wall of the insertion rod is adapted to the width of the inner wall of the slot.

[0019] In the present invention, the insertion rod and the cross beam are formed in one piece, and the insertion rod is plugged into and matched with the slot located at the top thereof, so as to realize plug-in installation cooperation between the cross beam and the top of the corresponding support column.

[0020] Preferably, the width of the inner wall of the slot is adapted to the width of the outer wall of the plug post, and the plug post and the support post are an integrally formed structure.

[0021] In the utility model, two adjacent support columns in the vertical direction are combined, and the two support columns are quickly combined and installed by plugging and matching the plug columns with the corresponding slots, which makes it easy to adjust the total height between the support columns.

[0022] Compared with the prior art, the beneficial effects of the present invention are:

[0023] 1. The utility model realizes support and coordination for lanes at different heights by setting up a plurality of support columns. The vertical support columns are plugged into the slots through the plug-in columns, and the upper and lower support columns in the horizontal direction are connected by a reinforcing assembly. The top of the support column cooperates with the top plate assembly to achieve stable support and protection. The plurality of reinforcing rods are connected by a screw assembly to increase the stability of the combination, and the two crossbeams are connected by a connecting rod assembly to increase the stability of the overall combination, which is convenient for stable support and protection.

[0024] 2. The utility model realizes a quick and stable plug-in combination between the two support columns by setting the plug-in connection with the slot, which is convenient for quick assembly or disassembly. The two ends of the reinforcing rod are respectively plug-in matched with the corresponding connecting seats, and the fixing bolts pass through the fixing holes and are threadedly connected with the corresponding screw holes to achieve stable installation of the reinforcing rod and the connecting seat, thereby achieving the stability of the combination between the two adjacent support columns in the horizontal direction. The connecting rod is plug-in matched with the groove in the through slot through the convex column to increase the stability of the combined installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the assembled structure of the utility model;

[0026] Figure 2 This is a schematic diagram of the overall combined structure of the utility model;

[0027] Figure 3 This is a schematic diagram of the combined structure of the support column and the reinforcement component of the utility model;

[0028] Figure 4 This is a schematic diagram of the support column structure of the utility model;

[0029] Figure 5 This is a schematic diagram of the combined structure of the reinforcing rod and the screw rod of the present utility model;

[0030] Figure 6 This is a schematic structural diagram of the top plate assembly of the present utility model.

[0031] The meaning of each number in the figure is:

[0032] 1. Support column; 10. Slot; 11. Insert column; 12. Connector; 120. Fixing hole; 121. Through hole; 122. Fixing bolt;

[0033] 2. Reinforcement assembly; 20. Reinforcement rod; 200. Screw hole; 201. Slide hole; 21. Screw rod; 210. Nut;

[0034] 3. Top plate assembly; 30. Crossbeam; 300. Insert rod; 301. Through slot; 302. Groove; 31. Connecting rod; 310. Boss. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0036] See also Figures 1-6 , this embodiment provides a technical solution:

[0037] A tunnel surrounding rock protection system includes multiple groups of corresponding support columns 1, each of which is provided with a slot 10 on the top, a plug column 11 at the bottom of the support column 1, and a plurality of connecting seats 12 on the side walls of the support column 1. A reinforcement component 2 is provided between two adjacent support columns 1 located on the same side in the horizontal direction. The reinforcement component 2 includes a plurality of evenly arranged reinforcement rods 20 and symmetrical screws 21 passing through the reinforcement rods 20.

[0038] In the present invention, with the cooperation of the multiple reinforcing rods 20 , the stability of the connection between the two support columns 1 in the horizontal direction is increased, and with the cooperation of the symmetrical screw rods 21 , the stability of the combination of the multiple reinforcing rods 20 is achieved.

[0039] Furthermore, the connecting seat 12 is welded and fixed to the support column 1 , a fixing hole 120 is opened at the outer end of the connecting seat 12 , a through hole 121 connected to the fixing hole 120 is opened on the outer wall of the connecting seat 12 , and a fixing bolt 122 is provided in the through hole 121 .

[0040] In the present invention, with the cooperation of the connecting seat 12, the reinforcing rod 20 between the two support columns 1 is stably and quickly combined and connected, and with the cooperation of the fixing bolts 122, the reinforcing rod 20 and the connecting seat 12 are combined and fixed.

[0041] Specifically, the diameter of the end portion of the reinforcing rod 20 is adapted to the inner diameter of the fixing hole 120 , and a screw hole 200 is provided on the end portion of the reinforcing rod 20 at a position corresponding to the through hole 121 .

[0042] In the present invention, a reinforcing rod 20 is provided to be plugged into and installed in the fixing hole 120 , and a fixing bolt 122 passes through the through hole 121 and is threadedly connected to the screw hole 200 , thereby increasing the stability of the combined installation. The removal of the fixing bolt 122 helps to separate the reinforcing rod 20 from the connecting seat 12 .

[0043] It should be noted that sliding holes 201 are opened on the reinforcing rod 20 at the corresponding positions of the screw rod 21. The diameter of the screw rod 21 is adapted to the inner diameter of the sliding hole 201. A nut 210 is provided at the bottom of the screw rod 21. The screw rod 21 passes through the sliding hole 201 in the vertical direction in sequence.

[0044] In the present invention, the two screws 21 pass through the sliding holes 201 respectively to realize the combined fixation between the reinforcing rods 20, thereby increasing the stability of the combined structure. The top of the screw 21 cooperates with the fixing cap, and the nut 210 limits the position of the bottom of the screw 21, thereby increasing the stability of the installation and realizing a stable combination of the reinforcing rods 20 in the vertical direction.

[0045] It is worth adding that a top plate assembly 3 is provided between adjacent support columns 1 located at the same longitudinal position in the vertical direction.

[0046] Furthermore, the top plate assembly 3 includes a symmetrical crossbeam 30 and several connecting rods 31 clamped on the crossbeam 30. Insert rods 300 are provided at both ends of the bottom of the crossbeam 30. Several through grooves 301 are opened on the crossbeam 30. Grooves 302 are symmetrically provided in the through grooves 301. Bosses 310 are provided at both ends of the bottom of the connecting rod 31 corresponding to the grooves 302.

[0047] In the present invention, the insertion rod 300 is provided to help the two ends of the beam 30 to be plugged into and matched with the corresponding top of the support column 1. With the cooperation of the protrusion 310, it helps to tightly plug into and match with the groove 302, and with the cooperation of the connecting rod 31, the stability of the combination between the two beams 30 is achieved.

[0048] Specifically, the insertion rod 300 and the crossbeam 30 are an integrally formed structure, and the width of the outer wall of the insertion rod 300 is adapted to the width of the inner wall of the slot 10 .

[0049] In the present invention, the insertion rod 300 and the crossbeam 30 are integrally formed, and the insertion rod 300 is plugged into and matched with the slot 10 located at the top thereof, thereby achieving plug-in installation cooperation between the crossbeam 30 and the corresponding top of the support column 1 .

[0050] Secondly, the width of the inner wall of the slot 10 is adapted to the width of the outer wall of the plug post 11 , and the plug post 11 and the support post 1 are an integrally formed structure.

[0051] In the present invention, two adjacent support columns 1 in the vertical direction are combined, and the insertion columns 11 are plugged into the corresponding slots 10 to achieve rapid assembly and installation between the two support columns 1, which facilitates adjustment of the total height between the support columns 1.

[0052] When the tunnel surrounding rock protection system of this embodiment is in use, the user first plugs and matches the two support columns 1 in the vertical direction with the slots 10 through the plug posts 11, and then fixes the connecting seat 12 with the fixing holes 120 to the support column 1. Then, the two ends of the reinforcing rod 20 are respectively plugged and matched with the fixing holes 120 on the corresponding connecting seat 12, and the fixing bolts 122 pass through the through holes 121 and are threadedly connected with the screw holes 200 to achieve fixed installation of the reinforcing rod 20 and the connecting seat 12. Then, the screw 21 passes through the sliding hole 201 and is fixed by the nut 210 to achieve stable combined fixation between multiple reinforcing rods 20. Finally, the two cross beams 30 are respectively plugged and matched with the corresponding slots 10 on the top of the support column 1 through the plug rod 300. The two cross beams 30 are fixed together by the connecting rod 31, and the protruding column 310 on the connecting rod 31 is plugged and matched with the corresponding groove 302.

[0053] When corresponding to different tunnel heights, the support columns 1 in the vertical direction are easy to quickly combine, install or disassemble, and the multiple reinforcing rods 20 with screws 21 cooperate to increase the stability of the combination between the two support columns 1 in the horizontal direction, and the fixing bolts 122 are easy to quickly disassemble and cooperate, which helps to quickly disassemble, remove and replace the reinforcing rods 20. The crossbeam 30 and the connecting rod 31 cooperate to support the top position, and the crossbeam 30 and the connecting rod 31 are easy to quickly disassemble and separate to achieve quick replacement. The overall combination is easy to install, which helps to quickly assemble and use manually.

Claims

1. A tunnel surrounding rock protection system, comprising a plurality of corresponding support columns (1), characterized in that: The top of each support column (1) is provided with a slot (10), the bottom of each support column (1) is provided with an insert column (11), and the side walls of each support column (1) are provided with a plurality of connecting seats (12). A reinforcing assembly (2) is provided between two adjacent support columns (1) located on the same side in the horizontal direction, and a top plate assembly (3) is provided between adjacent support columns (1) located at the same longitudinal position in the vertical direction.

2. The tunnel surrounding rock protection system according to claim 1, characterized in that: The reinforcing assembly (2) comprises a plurality of evenly arranged reinforcing rods (20) and symmetrical screw rods (21) penetrating the reinforcing rods (20).

3. The tunnel surrounding rock protection system according to claim 2, characterized in that: The connecting seat (12) is welded and fixed to the support column (1); a fixing hole (120) is provided at the outer end of the connecting seat (12); a through hole (121) communicating with the fixing hole (120) is provided on the outer wall of the connecting seat (12); and a fixing bolt (122) is provided in each of the through holes (121).

4. The tunnel surrounding rock protection system according to claim 3, characterized in that: The diameter of the end portion of the reinforcing rod (20) is adapted to the inner diameter of the fixing hole (120), and a screw hole (200) is provided on the end portion of the reinforcing rod (20) at a position corresponding to the through hole (121).

5. The tunnel surrounding rock protection system according to claim 2, characterized in that: The reinforcing rod (20) is provided with a sliding hole (201) at a position corresponding to the screw rod (21), the diameter of the screw rod (21) is adapted to the inner diameter of the sliding hole (201), a nut (210) is provided at the bottom of the screw rod (21), and the screw rod (21) sequentially passes through the sliding hole (201) in the vertical direction.

6. The tunnel surrounding rock protection system according to claim 1, characterized in that: The top plate assembly (3) comprises a symmetrical crossbeam (30) and a plurality of connecting rods (31) clamped on the crossbeam (30); both ends of the bottom of the crossbeam (30) are provided with an insertion rod (300); a plurality of through slots (301) are opened on the crossbeam (30); grooves (302) are symmetrically provided in the through slots (301); and convex columns (310) are provided at both ends of the bottom of the connecting rod (31) corresponding to the grooves (302).

7. The tunnel surrounding rock protection system according to claim 6, characterized in that: The insertion rod (300) and the crossbeam (30) are an integrally formed structure, and the width of the outer wall of the insertion rod (300) is adapted to the width of the inner wall of the slot (10).

8. The tunnel surrounding rock protection system according to claim 1, characterized in that: The width of the inner wall of the slot (10) is adapted to the width of the outer wall of the insertion column (11), and the insertion column (11) and the support column (1) are an integrally formed structure.

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