Coal mine underground shed supporting structure

Abstract

The utility model discloses an underground coal mine shed supporting structure, and relates to the technical field of underground supporting. The underground coal mine shed supporting structure comprises a supporting structure, the bottom end of the supporting structure is sleeved with a ground contact structure, and a protection structure is arranged at the top end of the supporting structure; according to the underground coal mine shed supporting structure, by arranging the supporting structure and the protection structure, the supporting structure can effectively support the protection structure, so that the protection structure can effectively protect the working environment in a roadway, and the protection structure can be attached to the adjacent protection structure in cooperation with the hexagonal extension form of the protection structure; and the adjacent supporting structures can be freely matched according to the size of the roadway, so that the adaptability and the flexibility of the supporting structures are improved. In addition, the supporting structure is small in size, light in weight and convenient to install and transport, and especially in a narrow roadway, the difficulty of installation and transportation can be obviously reduced, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to underground support technical field, concretely is a coal mine underground shed support structure. BACKGROUND

[0002] At present, coal mine sources mainly are underground mining, need to excavate a large number of laneways in underground, adopt underground support structure to keep the laneway unobstructed and surrounding rock stable, the basic purpose of supporting underground is to alleviate and reduce the movement of surrounding rock, so that the cross section of laneway does not reduce excessively, simultaneously prevents the falling of the surrounding rock that has scattered and damaged.

[0003] At present, the shed support structure used in underground is bulky, and the installation and transportation process is very inconvenient. This condition is particularly evident when entering and exiting narrow laneways, resulting in a long process, which seriously affects work efficiency and production progress. UTILITARIAN CONTENT

[0004] The utility model provides a coal mine underground shed support structure to solve the problem in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a coal mine underground shed support structure, including support structure, the bottom end of support structure is equipped with ground contact structure, the top of support structure is provided with protection structure;

[0006] The support structure includes four support columns, a splicing frame is movably connected between the top ends of the four support columns, an insertion port is formed in the inside of the support column, an external diagonal brace is movably inserted into the inside of the insertion port, the other end of the external diagonal brace is movably inserted into the bottom end of the splicing frame, four connecting inner rods are welded to the inside of the splicing frame, and a center rod is welded to the joint of the four connecting inner rods.

[0007] The protection structure includes a lower keel, the bottom end of the lower keel is movably connected to the top end of the center rod, a connecting keel is arranged at the center of the lower keel, an upper keel is arranged at the top end of the connecting keel, a lower buffer net is arranged on the inside of the lower keel, and an upper buffer net is arranged on the inside of the upper keel.

[0008] Further, the back side of the external diagonal brace is movably connected to an embedded diagonal brace, and the other end of the embedded diagonal brace is movably connected to the inside of the support column.

[0009] Further, four reinforcing ribs are welded to the outside of the center rod, and the other end of the reinforcing rib is welded to the corner of the splicing frame.

[0010] Further, a locking block is movably connected to the opening of the insertion port, and the locking block is in close contact with the part of the external diagonal brace inside the insertion port.

[0011] Furthermore, the ground contact structure includes a sleeve rod, with a connecting frame and a ground contact frame welded to its top and bottom ends respectively, and the sleeve rod is movably engaged with the outer side of the support column.

[0012] Furthermore, a corner strip is welded to the corner of the sleeve rod, and a grounding pin is installed at the bottom end of the corner strip.

[0013] Furthermore, the lower buffer net is a flexible polyester fiber net, and the upper buffer net is an anchor net.

[0014] Compared with the prior art, this utility model provides a support structure for underground coal mines, which has the following beneficial effects:

[0015] This underground support structure for coal mines, through the installation of supporting and protective structures, utilizes the supporting structure to effectively support the protective structure, thereby ensuring effective protection of the working environment inside the roadway. Furthermore, the hexagonal extension shape of the protective structure allows it to fit snugly with adjacent protective structures, enabling flexible matching of adjacent support structures according to the roadway dimensions, thus improving the adaptability and flexibility of the support structure. In addition, this support structure is small in size and lightweight, facilitating installation and transportation, especially in narrow roadways, significantly reducing installation and transportation difficulties, improving work efficiency, effectively solving problems existing in current technologies, and enhancing safety and work efficiency in underground coal mines. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the support structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the ground contact structure of this utility model;

[0019] Figure 4 This is a schematic diagram of the protective structure of this utility model.

[0020] In the diagram: 1. Support structure; 101. Support column; 102. Splicing frame; 103. External diagonal brace; 104. Internal diagonal brace; 105. Locking block; 106. Connecting inner rod; 107. Center rod; 108. Reinforcing rib; 2. Ground contact structure; 201. Sleeve rod; 202. Connecting frame; 203. Ground contact frame; 204. Corner strip; 205. Grounding pin; 3. Protective structure; 301. Lower keel; 302. Connecting keel; 303. Upper keel; 304. Lower buffer net; 305. Upper buffer net. Detailed Implementation

[0021] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0022] Please refer to Figures 1-4 The utility model discloses a kind of coal mine underground shed supporting structure, including support structure 1, the bottom end of support structure 1 is equipped with ground contact structure 2, the top of support structure 1 is provided with protective structure 3.

[0023] The support structure 1 includes four support columns 101, a splicing frame 102 is movably connected between the top ends of the four support columns 101, the support column 101 has a plug-in interface formed in the inside, an external diagonal brace 103 is movably plugged into the inside of the plug-in interface, the other end of the external diagonal brace 103 is movably plugged into the bottom end of the splicing frame 102, four connecting inner rods 106 are welded to the inside of the splicing frame 102, and a center rod 107 is welded to the joint of the four connecting inner rods 106.

[0024] The protective structure 3 includes a lower keel 301, the bottom end of the lower keel 301 is movably connected to the top end of the center rod 107, a connecting keel 302 is arranged at the center of the lower keel 301, an upper keel 303 is arranged at the top end of the connecting keel 302, a lower buffer net 304 is arranged on the inside of the lower keel 301, and an upper buffer net 305 is arranged on the inside of the upper keel 303.

[0025] Specifically, the back side of the external diagonal brace 103 is movably connected to an embedded diagonal brace 104, and the other end of the embedded diagonal brace 104 is movably connected to the inside of the support column 101.

[0026] In the present embodiment, the embedded diagonal brace 104 is arranged to increase the stability of the support structure 1, so that the supporting structure can be more stable when bearing the internal pressure of the roadway and is not prone to deformation or collapse. The embedded diagonal brace 104 and the external diagonal brace 103 cooperate with each other to form a double support system, which further improves the load-bearing capacity and safety of the supporting structure.

[0027] Specifically, four reinforcing ribs 108 are welded to the outside of the center rod 107, and the other end of the reinforcing rib 108 is welded to the corner of the splicing frame 102.

[0028] In the embodiment, the reinforcing rib 108 is arranged to enhance the connection strength between the center rod 107 and the splicing frame 102, so that the support structure is more solid and durable in the overall structure. When subjected to internal pressure or external force impact of the roadway, the reinforcing rib 108 can effectively disperse and resist these forces, protecting the support structure from damage.

[0029] Specifically, a locking block 105 is movably clamped at the opening of the insertion port, and the locking block 105 is attached to the part of the external diagonal bracing 103 located on the inner side of the insertion port.

[0030] In the embodiment, the arrangement of the locking block 105 can prevent the external diagonal bracing 103 from loosening or falling off during the use of the support structure, thereby ensuring the stability and safety of the support structure. When the support structure needs to be adjusted, the external diagonal bracing 103 can be easily moved by loosening the locking block 105, which is simple and convenient to operate.

[0031] Specifically, the ground-touching structure 2 comprises a sleeved rod 201, the top end and the bottom end of the sleeved rod 201 are respectively welded with a connecting frame 202 and a ground-touching frame 203, and the sleeved rod 201 is movably clamped with the outer side of the support column 101.

[0032] In the embodiment, the arrangement of the sleeved rod 201 enables the ground-touching structure 2 to be flexibly connected with the support structure 1, and meanwhile, the design of the ground-touching frame 203 increases the contact area with the ground, improving the stability of the support structure. In the complex geological environment of the coal mine underground, the ground-touching structure 2 can effectively disperse the pressure transmitted from the ground, preventing the support structure from sinking or tilting, and ensuring the safety and smoothness of the roadway.

[0033] Specifically, the corner of the sleeved rod 201 is welded with a corner strip 204, and the bottom end of the corner strip 204 is installed with a ground-inserting pin 205.

[0034] In the embodiment, the arrangement of the corner strip 204 and the ground-inserting pin 205 further enhances the stability and fixity of the ground-touching structure 2. The corner strip 204 can increase the contact edge of the sleeved rod 201 with the ground, improving the anti-overturning ability of the support structure when subjected to lateral force. The ground-inserting pin 205 can penetrate deep into the underground, firmly fixing the ground-touching structure 2, preventing it from being displaced or loosened in the complex geological environment of the coal mine underground. This design not only improves the overall stability of the support structure, but also ensures the safety of the roadway and the working environment of the workers.

[0035] Specifically, the lower layer of the buffer net 304 is a polyester fiber flexible net, and the upper layer of the buffer net 305 is an anchor net.

[0036] In this embodiment, the polyester fiber flexible net serves as an advanced material that can provide additional support and reinforcement. It significantly improves the overall stability and load-bearing capacity of the anchor net by effectively distributing forces and increasing the support area. The use of this flexible net allows the anchor net to maintain its structural integrity more stably when subjected to heavy pressure or external forces, ensuring the safety and reliability of the project. The high strength and flexibility of polyester fibers enable this flexible net to perform excellently in various complex environments, further enhancing the application range and service life of the anchor net.

[0037] In use, the support structure achieves efficient and stable support through the cooperation of various components. First, the support structure 1 serves as the foundation of the entire support structure, forming a stable support system through the combination of four support columns 101 and splicing frames 102.

[0038] The external diagonal brace 103 and the embedded diagonal brace 104 further enhance the stability and load-bearing capacity of the support structure 1, allowing the support structure to be more stable when subjected to internal pressure in the roadway.

[0039] At the same time, the design of the ground-touching structure 2 also fully considers the actual use requirements. The movable clamping of the sleeve rod 201 and the support column 101 allows the ground-touching structure 2 to be flexibly connected with the support structure 1, adapting to different roadway environments.

[0040] The ground-touching frame 203 increases the contact area with the ground, improving the stability of the support structure. The setting of the corner strip 204 and the ground insertion pin 205 further enhances the fixation of the ground-touching structure 2, preventing displacement or loosening in complex geological environments.

[0041] In terms of the protection structure 3, the combination of the lower keel 301, the connecting keel 302, and the upper keel 303 forms a solid protection frame.

[0042] The setting of the lower buffer net 304 and the upper buffer net 305 provides additional support and reinforcement. The polyester fiber flexible net as the lower buffer net 304 has high strength and flexibility, effectively distributing forces and increasing the support area.

[0043] The anchor net as the upper buffer net 305 has stronger load-bearing capacity and stability, ensuring the structural integrity of the support structure when subjected to heavy pressure or external forces.

[0044] In summary, the coal mine underground shed support structure, by setting up support structure 1 and protection structure 3, use support structure 1 can effectively support the protection structure 3, so that the protection structure 3 can effectively protect the working environment inside the roadway, and cooperate with the hexagonal extension form of protection structure 3 can be fitted with adjacent protection structure 3, make adjacent support structure can be freely matched according to the size of the roadway, thereby improving the adaptability and flexibility of the support structure.In addition, the volume of the support structure is small, light in weight, easy to install and transport, especially in narrow roadway, can significantly reduce the difficulty of installation and transportation, improve work efficiency, effectively solve the problems existing in the prior art, improve the safety and work efficiency of the coal mine underground.

[0045] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A coal mine underground shed support structure comprising a support structure (1), characterised in that: The bottom end of the support structure (1) is sleeved with a ground-touching structure (2), and the top end of the support structure (1) is provided with a protection structure (3). The support structure (1) comprises four support columns (101), and a splicing frame (102) is movably connected between the top ends of the four support columns (101); the support column (101) is internally provided with a plug-in interface, and an external diagonal brace (103) is movably plugged into the inner side of the plug-in interface; the other end of the external diagonal brace (103) is movably plugged into the bottom end of the splicing frame (102); four connecting inner rods (106) are welded to the inner side of the splicing frame (102), and a center rod (107) is welded to the abutting position of the four connecting inner rods (106). The protection structure (3) comprises a lower keel (301), the bottom end of the lower keel (301) is movably connected with the top end of the center rod (107), the center of the lower keel (301) is provided with a connecting keel (302), the top end of the connecting keel (302) is provided with an upper keel (303), the inner side of the lower keel (301) is provided with a lower buffer net (304), and the inner side of the upper keel (303) is provided with an upper buffer net (305).

2. The coal mine underground shed supporting structure according to claim 1, characterized in that: The back side of the external diagonal brace (103) is movably connected with an embedded diagonal brace (104), and the other end of the embedded diagonal brace (104) is movably connected with the inner side of the support column (101).

3. The coal mine underground shed supporting structure according to claim 1, characterized in that: The outer side of the center rod (107) is welded with four reinforcing ribs (108), and the other end of the reinforcing rib (108) is welded with the corner of the splicing frame (102).

4. The coal mine underground shed supporting structure according to claim 1, characterized in that: The opening of the plug-in interface is movably connected with a locking block (105), and the locking block (105) is fitted with the part of the external diagonal brace (103) on the inner side of the plug-in interface.

5. The coal mine underground shed supporting structure according to claim 1, characterized in that: The ground-touching structure (2) comprises a sleeving rod (201), the top end and the bottom end of the sleeving rod (201) are respectively welded with a connecting frame (202) and a ground-touching frame (203), and the sleeving rod (201) is movably connected with the outer side of the support column (101).

6. A coal mine underground shed support structure according to claim 5, characterised in that: The corner of the sleeving rod (201) is welded with a corner strip (204), and the bottom end of the corner strip (204) is provided with a ground-inserting pin (205).

7. The coal mine underground shed supporting structure according to claim 1, characterized in that: The lower buffer net (304) is a polyester fiber flexible net, and the upper buffer net (305) is an anchor net.

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