A roadway support device with an energy-absorbing buffer device

Abstract

The present invention relates to the technical field related to building construction, and specifically relates to a roadway support device with an energy-absorbing buffer device. The roadway support device with an energy-absorbing buffer device includes a lower support member, an upper support member, an energy-absorbing buffer member, and an adjustment assembly. The lower support member is of a semi-rectangular frame structure, and a docking groove is formed on the upper end surface of the lower support member. The upper support member is symmetrically arranged with the lower support member, and a docking column is fixedly connected to the lower surface of the upper support member. The docking column corresponds to the docking groove and is movably inserted into the docking groove. By setting the energy-absorbing buffer member to be composed of an inner arc support member, an outer arc support member, and a buffer assembly, through the combined action of the inner arc support member, the outer arc support member, and the buffer assembly, the falling surrounding rock can be better unloaded, effectively reducing the direct force on the lower support member and the upper support member, and effectively ensuring the overall reliability of its structure during use.

Description

Technical Field

[0001] The present invention relates to the technical field related to construction, and specifically to a roadway support device with an energy absorption and buffering device. Background Art

[0002] In China, coal mines are mainly underground mined, and roadways need to be excavated to extract coal. Roadways are various passages drilled between the surface and the ore body, used for transporting ore, ventilation, drainage, pedestrians, and various necessary preparatory works newly excavated for metallurgical equipment to extract ore, etc.

[0003] The basic purpose of supporting a roadway is to alleviate and reduce the movement of the surrounding rock, so that the cross-section of the roadway will not be overly reduced, and at the same time prevent the surrounding rock that has been scattered and damaged from caving. However, the top surface of traditional structures used to support roadways is rigidly set. As a result, when the surrounding rock caving contacts the roadway support device, it is a direct impact. During this process, the direct stress on the roadway support device is relatively large, which easily causes damage to the roadway support device, leaving a certain degree of potential safety hazard. Therefore, the present invention proposes a roadway support device with an energy absorption and buffering device to solve the above problems. Summary of the Invention

[0004] The purpose of the present invention is to provide a roadway support device with an energy absorption and buffering device to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the present invention provides the following technical solution: A roadway support device with an energy absorption and buffering device, the roadway support device with an energy absorption and buffering device includes:

[0006] A lower support member, the lower support member is a semi-rectangular frame structure, and a docking groove is provided on the upper end surface of the lower support member;

[0007] An upper support member, the upper support member is symmetrically arranged with the lower support member, and a docking column is fixedly connected to the lower surface of the upper support member. The docking column corresponds to the docking groove, and the docking column is movably inserted into the docking groove;

[0008] An energy absorption and buffering member, the energy absorption and buffering member is fixed on the upper surface of the upper support member;

[0009] An adjustment assembly, the upper support member and the lower support member are positioned through the adjustment assembly.

[0010] Preferably, the energy-absorbing buffer is composed of an inner arc-shaped support, an outer arc-shaped support, and a buffer assembly. Both ends of the inner arc-shaped support and the outer arc-shaped support are fixedly welded to the upper end surface of the upper support member, and both ends of the buffer assembly are respectively welded to the inner arc-shaped support and the outer arc-shaped support, and a plurality of buffer assemblies are evenly arranged between the inner arc-shaped support and the outer arc-shaped support.

[0011] Preferably, a first positioning block, a second positioning hole, and a third positioning block are fixedly welded to the upper end surface of the upper support member, and there are gaps between the first positioning block and the second positioning hole, and between the second positioning hole and the third positioning block, and the ends of the outer arc-shaped support and the inner arc-shaped support are respectively clamped in the gaps.

[0012] Preferably, the buffer assembly is composed of a first support body and a second support body. The first support body has a rhombic frame structure, and the second support body has an elliptical frame structure.

[0013] Preferably, the first support body and the second support body are integrally formed, and both the first support body and the second support body are cast from spring steel.

[0014] Preferably, a threaded pipe is fixedly welded to the inner side wall of the lower support member, and a docking pipe is fixedly welded to the inner side wall of the upper support member. The adjusting assembly is composed of a threaded rod, a screwing nut, a support seat, and a steering rod. The threaded rod, the screwing nut, the support seat, and the steering rod are integrally formed.

[0015] Preferably, the threaded rod is screwed and installed on the threaded pipe, the steering rod is rotatably installed in the lumen of the docking pipe, and the upper support member is erected on the support seat through the docking pipe.

[0016] Preferably, a spring groove is opened on the side wall of the docking pipe, a threaded hole is opened at the bottom of the spring groove, and a stabilizing assembly is installed on the docking pipe.

[0017] Preferably, the stabilizing assembly is composed of a top rod, a fixed ring, a support spring, a movable ring, and a screwing head. The top rod, the fixed ring, and the screwing head are welded together. The support spring and the movable ring are movably sleeved on the top rod, and the movable ring is connected to the fixed ring through the support spring. External threads are provided on the rod body of the top rod, and the upper end of the top rod is screwed and installed in the threaded hole.

[0018] Preferably, a positioning groove is opened on the support seat, and a circle of positioning grooves is evenly arranged. When the support spring is in the reset state, the end of its top rod is embedded in the positioning groove.

[0019] Compared with the prior art, the beneficial effects of the present invention are:

[0020] 1. By setting a roadway support device composed of a lower support member, an upper support member, an energy-absorbing buffer member, and an adjustment assembly, and by setting the energy-absorbing buffer member to be composed of an inner arc support member, an outer arc support member, and a buffer assembly, the combined action of the inner arc support member, the outer arc support member, and the buffer assembly can better unload the force of the caving surrounding rock, effectively reducing the direct force on the lower support member and the upper support member, and effectively ensuring the overall reliability of its structure in use.

[0021] 2. By fixedly welding a threaded pipe on the inner side wall of the lower support member, fixedly welding a butt joint pipe on the inner side wall of the upper support member, and setting the adjustment assembly to be composed of a threaded rod, a screwing nut, a support seat, and a steering rod, the distance between the lower support member and the upper support member can be adjusted through the adjustment of the adjustment assembly, so as to adjust the overall size of its structure, and effectively improve the versatility of its structure. Brief Description of the Drawings

[0022] Figure 1 It is a schematic structural view of the present invention;

[0023] Figure 2 It is a half-sectional view of the present invention;

[0024] Figure 3 It is a schematic structural view of the adjustment assembly of the present invention;

[0025] Figure 4 It is a schematic structural view of the stabilizing assembly of the present invention.

[0026] In the figure: lower support member 1, upper support member 2, energy-absorbing buffer member 3, adjustment assembly 4, docking groove 5, docking column 6, threaded pipe 7, docking pipe 8, threaded rod 9, screwing nut 10, support seat 11, steering rod 12, inner arc support member 13, outer arc support member 14, buffer assembly 15, primary support body 16, secondary support body 17, primary positioning block 18, secondary positioning hole 19, tertiary positioning block 20, spring groove 21, threaded hole 22, positioning groove 23, stabilizing assembly 24, ejector rod 25, fixed ring 26, support spring 27, movable ring 28, screwing head 29. Detailed Description of the Invention

[0027] In order to clearly and completely describe the purpose and technical solution of the present invention, and make the advantages more clear, the following further details the embodiments of the present invention with reference to the drawings. It should be understood that the specific embodiments described herein are some embodiments of the present invention, rather than all embodiments, and are only used to explain the embodiments of the present invention, not to limit the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0028] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0029] In the description of the present invention, it should be noted that unless otherwise clearly specified and defined, the terms "mounted", "connected", "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] For the purposes of simplicity and illustration, the principles of the embodiments are mainly described by reference to examples. In the following description, many specific details are set forth to provide a thorough understanding of the embodiments. However, it is apparent that for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, well-known methods and structures have not been described in detail to avoid unnecessarily obscuring these embodiments. Additionally, all embodiments can be used in combination with each other.

[0031] Please refer to Figures 1-4 , the present invention provides embodiments of the following four preferred solutions:

[0032] Embodiment 1

[0033] A roadway support device with an energy absorption and buffering device. The roadway support device with an energy absorption and buffering device includes a lower support member 1, an upper support member 2, an energy absorption and buffering member 3, and an adjustment assembly 4. The lower support member 1 is a semi-rectangular frame structure, and a docking groove 5 is formed on the upper end surface of the lower support member 1. The upper support member 2 is symmetrically arranged with the lower support member 1, and a docking column 6 is fixedly connected to the lower surface of the upper support member 2. The docking column 6 corresponds to the docking groove 5 and is movably inserted into the docking groove 5. The energy absorption and buffering member 3 is fixed on the upper surface of the upper support member 2, and the upper support member 2 and the lower support member 1 are positioned by the adjustment assembly 4.

[0034] The energy-absorbing buffer member 3 is composed of an inner arc-shaped support member 13, an outer arc-shaped support member 14, and a buffer assembly 15. Both ends of the inner arc-shaped support member 13 and the outer arc-shaped support member 14 are fixedly welded to the upper end surface of the upper support member 2, and both ends of the buffer assembly 15 are respectively welded to the inner arc-shaped support member 13 and the outer arc-shaped support member 14. A plurality of buffer assemblies 15 are evenly arranged between the inner arc-shaped support member 13 and the outer arc-shaped support member 14.

[0035] The upper end surface of the upper support member 2 is fixedly welded with a first-level positioning block 18, a second-level positioning hole 19, and a third-level positioning block. There are gaps between the first-level positioning block 18 and the second-level positioning hole 19, and between the second-level positioning hole 19 and the third-level positioning block 20. The ends of the outer arc-shaped support member 14 and the inner arc-shaped support member 13 are respectively clamped in these gaps. By providing a roadway support device composed of a lower support member 1, an upper support member 2, an energy-absorbing buffer member 3, and an adjustment assembly 4, and by setting the energy-absorbing buffer member 3 to be composed of an inner arc-shaped support member 13, an outer arc-shaped support member 14, and a buffer assembly 15, through the combined action of the inner arc-shaped support member 13, the outer arc-shaped support member 14, and the buffer assembly 15, the stress of the caving surrounding rock can be better unloaded, thereby effectively reducing the direct stress on the lower support member 1 and the upper support member 2, and effectively ensuring the overall reliability of its structure in use.

[0036] Embodiment 2

[0037] On the basis of Embodiment 1, the buffer assembly 15 is composed of a first-level support body 16 and a second-level support body 17. The first-level support body 16 is in a diamond-shaped frame structure, and the second-level support body 17 is in an oval-shaped frame structure.

[0038] The first-level support body 16 and the second-level support body 17 are integrally formed, and both the first-level support body 16 and the second-level support body 17 are cast from spring steel. Through the combined action of the first-level support body 16 and the second-level support body 17, the overall buffer support effect of the buffer assembly 15 can be effectively ensured.

[0039] Embodiment 3

[0040] On the basis of Embodiment 2, a threaded pipe 7 is fixedly welded to the inner side wall of the lower support member 1, and a butt joint pipe 8 is fixedly welded to the inner side wall of the upper support member 2. The adjustment assembly 4 is composed of a threaded rod 9, a screwing nut 10, a support seat 11, and a steering rod 12. The threaded rod 9, the screwing nut 10, the support seat 11, and the steering rod 12 are integrally formed.

[0041] The threaded rod 9 is screwed and installed on the threaded pipe 7. The steering rod 12 is rotatably installed in the lumen of the docking pipe 8. And the upper support member 2 is erected on the support seat 11 through the docking pipe 8. By fixedly welding the threaded pipe 7 on the inner side wall of the lower support member 1, fixedly welding the docking pipe 8 on the inner side wall of the upper support member 2, and setting the adjusting assembly 4 to be composed of the threaded rod 9, the screwing nut 10, the support seat 11 and the steering rod 12. Thus, through the adjustment of the adjusting assembly 4, the distance between the lower support member 1 and the upper support member 2 can be adjusted, so as to adjust the overall size of its structure, and effectively improve the versatility of its structure.

[0042] Embodiment 4

[0043] On the basis of Embodiment 3, a spring groove 21 is opened on the side wall of the docking pipe 8, a threaded hole 22 is opened at the bottom of the spring groove 21, and a stabilizing assembly 24 is installed on the docking pipe 8.

[0044] The stabilizing assembly 24 is composed of a top rod 25, a fixed ring 26, a support spring 27, a movable ring 28 and a screwing head 29. The top rod 25, the fixed ring 26 and the screwing head 29 are welded together. The support spring 27 and the movable ring 28 are movably sleeved on the top rod 25, and the movable ring 28 is connected to the fixed ring 26 through the support spring 27. And external threads are provided on the rod body of the top rod 25, and the upper end of the top rod 25 is screwed and installed in the threaded hole 22.

[0045] A positioning groove 23 is opened on the support seat 11, and a circle of positioning grooves 23 is evenly arranged. When the support spring 27 is in the reset state, the end of its top rod 25 is embedded in the positioning groove 23, which is convenient for the top rod 25 to be embedded in the positioning groove 23 to form a self-locking effect, so as to prevent the adjusting assembly 4 from deflecting, and effectively ensure the locking stability of its structure.

[0046] Although the above describes the illustrative specific embodiments of the present application for the convenience of those skilled in the art to understand the present application, the present application is not limited to the scope of the specific embodiments. For those of ordinary skill in the art, as long as various changes are within the spirit and scope of the present application defined and determined by the appended claims, all application creations using the concept of the present application are within the scope of protection.

Claims

1. A roadway support device with an energy-absorbing buffer device, characterized in that: The roadway support device with an energy-absorbing buffer device includes: A lower support member (1), the lower support member (1) is a semi-rectangular frame structure, and a docking groove (5) is provided on the upper end surface of the lower support member (1); An upper support member (2), the upper support member (2) is symmetrically arranged with the lower support member (1), and a docking column (6) is fixedly connected to the lower surface of the upper support member (2), the docking column (6) is correspondingly arranged with the docking groove (5), and the docking column (6) is movably inserted into the docking groove (5); An energy-absorbing buffer member (3), the energy-absorbing buffer member (3) is fixed on the upper surface of the upper support member (2); An adjustment assembly (4), the upper support member (2) and the lower support member (1) are positioned by the adjustment assembly (4); The energy-absorbing buffer member (3) is composed of an inner arc support member (13), an outer arc support member (14) and a buffer assembly (15). The two ends of the inner arc support member (13) and the outer arc support member (14) are fixedly welded to the upper end surface of the upper support member (2), and the two ends of the buffer assembly (15) are respectively welded to the inner arc support member (13) and the outer arc support member (14), and a plurality of buffer assemblies (15) are evenly arranged between the inner arc support member (13) and the outer arc support member (14); A first positioning block (18), a second positioning hole (19) and a third positioning block are fixedly welded to the upper end surface of the upper support member (2), and there are gaps between the first positioning block (18) and the second positioning hole (19), and between the second positioning hole (19) and the third positioning block (20), and the ends of the outer arc support member (14) and the inner arc support member (13) are clamped in the gaps; The buffer assembly (15) is composed of a first support body (16) and a second support body (17). The first support body (16) is a rhombic frame structure, and the second support body (17) is an elliptical frame structure.

2. The roadway support device with an energy-absorbing buffer device according to claim 1, characterized in that: The first support body (16) and the second support body (17) are integrally formed, and both the first support body (16) and the second support body (17) are cast from spring steel.

3. The roadway support device with an energy-absorbing buffer device according to claim 1, characterized in that: A threaded pipe (7) is fixedly welded to the inner side wall of the lower support member (1), and a docking pipe (8) is fixedly welded to the inner side wall of the upper support member (2). The adjustment assembly (4) is composed of a threaded rod (9), a screwing nut (10), a support seat (11) and a steering rod (12). The threaded rod (9), the screwing nut (10), the support seat (11) and the steering rod (12) are integrally formed.

4. The roadway support device with an energy-absorbing buffer device according to claim 3, characterized in that: The threaded rod (9) is screwed and installed on the threaded tube (7). The steering rod (12) is rotatably installed in the lumen of the docking tube (8), and the upper support member (2) is erected on the support base (11) through the docking tube (8).

5. A roadway support device with an energy absorption and buffering device according to claim 4, characterized in that: A spring groove (21) is opened on the side wall of the docking tube (8). A threaded hole (22) is opened at the bottom of the spring groove (21), and a stabilizing assembly (24) is installed on the docking tube (8).

6. A roadway support device with an energy absorption and buffering device according to claim 5, characterized in that: The stabilizing assembly (24) is composed of a top rod (25), a fixed ring (26), a support spring (27), a movable ring (28) and a screwing head (29). The top rod (25), the fixed ring (26) and the screwing head (29) are welded together. The support spring (27) and the movable ring (28) are movably sleeved on the top rod (25), and the movable ring (28) is connected to the fixed ring (26) through the support spring (27). External threads are provided on the rod body of the top rod (25), and the upper end of the top rod (25) is screwed and installed in the threaded hole (22).

7. A roadway support device with an energy absorption and buffering device according to claim 6, characterized in that: A positioning groove (23) is opened on the support base (11). The positioning grooves (23) are evenly arranged in a circle. When the support spring (27) is in a reset state, the end of its top rod (25) is embedded in the positioning groove (23).

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