Supporting structure for limiting convergence deformation of tunnel

Abstract

The utility model discloses a supporting structure for limiting convergence deformation of a tunnel, and relates to the technical field of tunnel supporting structures, the supporting structure comprises a supporting assembly, the supporting assembly comprises a supporting sheet and a long bolt, a force unloading assembly is arranged in the supporting sheet, and the force unloading assembly comprises an arc-shaped sheet, a semicircular strip and an inner arc sheet. By arranging the force unloading assembly, when the inner wall of the tunnel is supported through the supporting assembly, the force unloading assembly is fixedly connected with the tunnel through a long bolt, the pressure of the inner wall of the tunnel on the supporting piece can be transmitted to the semicircular strip through the supporting piece, and the semicircular strip is connected with the arc-shaped piece, so that the supporting piece is not prone to deformation. Part of pressure is dispersed through the arc-shaped pieces, the remaining pressure is dispersed to the inner arc-shaped pieces through the semicircular strips on the inner walls of the arc-shaped pieces, and the pressure is dispersed to multiple parts through cooperation of the components, so that the supporting force of the supporting assembly is increased, and the problem that faults are likely to occur due to the fact that the supporting force of an arc-shaped supporting structure is weak is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel support structures, in particular to a support structure for limiting tunnel convergence and deformation. Background Art

[0002] A tunnel is a building set up inside the stratum. It is used to quickly pass through the stratum, making transportation more convenient. Because the tunnel is built inside the stratum, after its construction, the inside of the tunnel will be under pressure from the stratum, so the top of the inner wall of the tunnel needs to be supported.

[0003] Common support structures for limiting tunnel convergence and deformation mostly use steel beams for lateral support. However, lateral steel beams cannot effectively support the top of the tunnel. Therefore, an arc-shaped support structure has been derived. It uses arc-shaped support plates to fit the top of the tunnel to support the tunnel. However, this support structure has weak supporting force and is prone to support failure. Utility Model Content

[0004] The utility model aims to provide a support structure for limiting tunnel convergence and deformation in order to solve the problem that the arc-shaped support structure has weak supporting force and is prone to failure.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a support structure for limiting tunnel convergence deformation, comprising a support assembly, the support assembly comprising a support plate, a long bolt, a plurality of the long bolts are provided, the plurality of the long bolts are linearly arranged inside the support plate, the other end of the long bolt completely penetrates the support plate, a force unloading assembly is provided inside the support plate, the force unloading assembly comprises an arc-shaped plate, a semicircular bar, and an inner arc plate;

[0006] The arc-shaped piece is arranged on one side of the inner wall of the supporting piece and is not in contact with the inner wall of the supporting piece. A plurality of semicircular bars are provided, and the plurality of semicircular bars are symmetrically arranged and respectively fixedly connected to the outer wall of the arc-shaped piece and the inner wall of the arc-shaped piece. The outer wall of one end of the semicircular bar on one side of the outer wall of the arc-shaped piece is fixedly connected to the inner wall of the supporting piece. The inner arc piece is arranged on the inner wall of the arc-shaped piece and is fixedly connected to the outer wall of the semicircular bar.

[0007] As a further solution of the utility model: the support assembly further includes a first through hole;

[0008] There are a plurality of the first through holes, which are arranged linearly on the outer wall of the support plate and completely penetrate the inner wall of the support plate, and the long bolts are slidably connected to the inner walls of the first through holes.

[0009] As a further solution of the utility model: the force unloading assembly further includes a second through hole;

[0010] There are multiple second through holes, which are linearly arranged on the outer wall of the arc-shaped piece and completely penetrate the inner wall of the arc-shaped piece. Both ends of the second through holes extend to the outer wall of the semicircular strip, and the long bolts are slidably connected to the inner wall of the second through holes.

[0011] As a further solution of the utility model: the force unloading assembly further includes a third through hole;

[0012] There are a plurality of third through holes, which are arranged in a circle on the outer wall of the inner arc piece and completely penetrate the inner wall of the inner arc piece. The long bolts are slidably connected to the inner walls of the third through holes.

[0013] As a further solution of the utility model: the inner wall diameter of the first through hole, the inner wall diameter of the second through hole and the inner wall diameter of the third through hole are the same, and the axis of the first through hole, the axis of the second through hole and the axis of the third through hole coincide.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] By setting up a force unloading component, when the inner wall of the tunnel is supported by the supporting component, it is only necessary to fix the force unloading component and the tunnel by long bolts. The pressure of the inner wall of the tunnel on the supporting plate will be transmitted to the semicircular bar through the supporting plate. The semicircular bar disperses part of the pressure through the arc plate through the connection with the arc plate, and the remaining pressure is dispersed to the inner arc plate through the semicircular bar on the inner wall of the arc plate. Through the cooperation of the above components, the pressure is dispersed to multiple parts, thereby increasing the supporting force of the supporting component and solving the problem that the arc supporting structure has weak supporting force and is prone to failure. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 It is a bottom view schematic diagram of the force unloading assembly of the utility model;

[0018] Figure 3 This is a schematic diagram of the disassembly of the force unloading component of the utility model.

[0019] In the figure: 1, support assembly; 101, support plate; 102, first through hole; 103, long bolt; 2, force unloading assembly; 201, arc plate; 202, semicircular bar; 203, second through hole; 204, inner arc plate; 205, third through hole. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figures 1 to 3 In an embodiment of the utility model, a support structure for limiting tunnel convergence deformation includes a support assembly 1, the support assembly 1 includes a support sheet 101, a long bolt 103, a plurality of long bolts 103 are provided, and the plurality of long bolts 103 are linearly arranged inside the support sheet 101, and the other end of the long bolt 103 completely penetrates the support sheet 101, and a force unloading assembly 2 is provided inside the support sheet 101, and the force unloading assembly 2 includes an arc sheet 201, a semicircular bar 202, and an inner arc sheet 204;

[0022] The arc-shaped piece 201 is arranged on one side of the inner wall of the support piece 101 and is not in contact with the inner wall of the support piece 101. A plurality of semicircular bars 202 are provided, and the plurality of semicircular bars 202 are symmetrically arranged and fixedly connected to the outer wall and the inner wall of the arc-shaped piece 201 respectively. The outer wall of one end of the semicircular bar 202 on one side of the outer wall of the arc-shaped piece 201 is fixedly connected to the inner wall of the support piece 101. The inner arc piece 204 is arranged on the inner wall of the arc-shaped piece 201 and fixedly connected to the outer wall of the semicircular bar 202.

[0023] In this embodiment: when the inner wall of the tunnel is supported by the support component 1, it is only necessary to fix the unloading component 2 to the tunnel through the long bolts 103. The pressure of the inner wall of the tunnel on the support plate 101 will be transmitted to the semicircular bar 202 through the support plate 101. The semicircular bar 202 disperses part of the pressure through the arc plate 201 through the connection with the arc plate 201, and the remaining pressure is dispersed to the inner arc plate 204 through the semicircular bar 202 on the inner wall of the arc plate 201. Through the cooperation of the above components, the pressure of the inner wall of the tunnel is dispersed to multiple parts, thereby increasing the supporting force of the support component 1 and solving the problem that the arc support structure has weak supporting force and is prone to failure.

[0024] Please refer to Figures 1 to 3 , the support assembly 1 further includes a first through hole 102;

[0025] A plurality of first through holes 102 are provided, and the plurality of first through holes 102 are linearly arranged on the outer wall of the support plate 101 and completely penetrate the inner wall of the support plate 101 . The long bolts 103 are slidably connected to the inner wall of the first through holes 102 .

[0026] In this embodiment, by providing the first through hole 102 , the long bolt 103 can pass through from the inside of the support plate 101 to the outer wall of the support plate 101 , thereby fixing the support plate 101 to the tunnel.

[0027] Please refer to Figure 3 , the force unloading assembly 2 also includes a second through hole 203;

[0028] There are multiple second through holes 203, which are linearly arranged on the outer wall of the arc piece 201 and completely penetrate the inner wall of the arc piece 201. Both ends of the second through holes 203 extend to the outer wall of the semicircular bar 202, and the long bolts 103 are slidably connected to the inner wall of the second through holes 203.

[0029] In this embodiment, by providing the second through hole 203 , the long bolt 103 can pass through the outer wall of one semicircular bar 202 to the outer wall of another semicircular bar 202 , thereby fixing the semicircular bar 202 , the arc-shaped sheet 201 and the tunnel.

[0030] Please refer to Figures 1 to 3 , the force unloading assembly 2 further includes a third through hole 205;

[0031] There are multiple third through holes 205 , which are arranged in a circle on the outer wall of the inner arc piece 204 and completely penetrate the inner wall of the inner arc piece 204 . The long bolts 103 are slidably connected to the inner walls of the third through holes 205 .

[0032] In this embodiment, by providing the third through hole 205 , the long bolt 103 can pass through from the inside of the inner arc piece 204 to the outer wall of the inner arc piece 204 , thereby fixing the inner arc piece 204 to the tunnel.

[0033] Please refer to Figures 1 to 3 The inner diameters of the first through hole 102 and the second through hole 203 are the same as the inner diameters of the third through hole 205 , and the axes of the first through hole 102 , the second through hole 203 and the third through hole 205 coincide with each other.

[0034] In this embodiment: the inner wall diameter of the first through hole 102, the inner wall diameter of the second through hole 203 and the inner wall diameter of the third through hole 205 are the same, and the axis of the first through hole 102, the axis of the second through hole 203 and the axis of the third through hole 205 coincide with each other, so that the long bolt 103 can pass through the third through hole 205, the second through hole 203 and the first through hole 102 in sequence, and finally be fixedly connected to the inner wall of the tunnel, thereby fixing the unloading assembly 2 and the support assembly 1 to the inner wall of the tunnel.

[0035] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A support structure for limiting tunnel convergence deformation, comprising a support assembly (1), wherein the support assembly (1) comprises a support plate (101) and a long bolt (103), wherein a plurality of the long bolts (103) are provided, wherein the plurality of the long bolts (103) are linearly arranged inside the support plate (101), and the other end of the long bolt (103) completely penetrates the support plate (101), wherein the plurality of the long bolts (103) are linearly arranged inside the support plate (101), and wherein ... plurality of the long bolts (103) are linearly arranged inside the support plate (101), and wherein the plurality of the long bolts (103) are linearly arranged inside the support plate (101), and wherein the plurality of the long bolts (103 A force unloading component (2) is arranged inside the support sheet (101), and the force unloading component (2) comprises an arc-shaped sheet (201), a semicircular strip (202), and an inner arc sheet (204); The arc-shaped sheet (201) is arranged on one side of the inner wall of the support sheet (101) and is not in contact with the inner wall of the support sheet (101); a plurality of semicircular strips (202) are provided, and the plurality of semicircular strips (202) are symmetrically arranged and respectively fixedly connected to the outer wall of the arc-shaped sheet (201) and the inner wall of the arc-shaped sheet (201); the outer wall of one end of the semicircular strip (202) on one side of the outer wall of the arc-shaped sheet (201) is fixedly connected to the inner wall of the support sheet (101); and the inner arc-shaped sheet (204) is arranged on the inner wall of the arc-shaped sheet (201) and fixedly connected to the outer wall of the semicircular strip (202).

2. A support structure for limiting tunnel convergence deformation according to claim 1, characterized in that: The support assembly (1) further comprises a first through hole (102); A plurality of the first through holes (102) are provided, and the plurality of the first through holes (102) are arranged linearly on the outer wall of the support plate (101) and completely penetrate the inner wall of the support plate (101), and the long bolt (103) is slidably connected to the inner wall of the first through hole (102).

3. A support structure for limiting tunnel convergence deformation according to claim 2, characterized in that: The force unloading assembly (2) further comprises a second through hole (203); A plurality of the second through holes (203) are provided, and the plurality of the second through holes (203) are arranged linearly on the outer wall of the arc-shaped sheet (201) and completely penetrate the inner wall of the arc-shaped sheet (201). Both ends of the second through holes (203) extend to the outer wall of the semicircular strip (202), and the long bolts (103) are slidably connected to the inner walls of the second through holes (203).

4. A support structure for limiting tunnel convergence deformation according to claim 3, characterized in that: The force unloading assembly (2) further comprises a third through hole (205); A plurality of the third through holes (205) are provided, and the plurality of the third through holes (205) are arranged in a circular pattern on the outer wall of the inner arc piece (204) and completely penetrate the inner wall of the inner arc piece (204), and the long bolt (103) is slidably connected to the inner wall of the third through hole (205).

5. A support structure for limiting tunnel convergence deformation according to claim 4, characterized in that: The inner wall diameters of the first through hole (102), the second through hole (203) and the third through hole (205) are the same, and the axis of the first through hole (102), the second through hole (203) and the third through hole (205) coincide.

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