Tunnel support

Abstract

The utility model provides a tunnel support which comprises a base detachably connected with a tunnel wall and a supporting beam detachably connected with the base, the end face, away from the tunnel wall, of the base is a plane and fixedly connected with two side plates arranged in parallel, the side plates are perpendicular to the end face, and the supporting beam is arranged between the two side plates and is in clearance fit with the two side plates. The middle of the supporting beam is rotationally connected with the sides, away from the base, of the side plates, multiple sets of adjusting holes are formed in the sides, close to the base, of the two side plates, the same set of adjusting holes are coaxially formed, the axes of the multiple sets of adjusting holes are parallel to the rotating axis of the supporting beam, positioning holes are formed in the ends, close to the base, of the supporting beam, and the axes of the positioning holes are parallel to the axes of the adjusting holes. And positioning bolts are detachably connected between the positioning holes and the adjusting holes. The supporting beam is convenient to mount and dismount, and the inclination angle of the supporting beam can be adjusted according to use requirements.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel supports, in particular to a tunnel support. Background Art

[0002] Pipeline systems, power line systems, etc. need to be arranged in the tunnel space. In order to reduce the space occupied by pipelines, brackets are generally set on the inner wall of the tunnel to arrange the pipeline system and various line systems;

[0003] A tunnel support generally includes a mounting structure connected to the inner wall of the tunnel and a supporting structure connected to the mounting structure. The tunnel supports currently used have a mounting structure fixedly connected to the supporting structure and lack a corresponding adjustment function, making it difficult to meet the needs of different requirements and usage environments. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a tunnel support which is easy to install and disassemble, has a certain adjustment function, and has wider applicability.

[0005] According to an embodiment of the utility model, a tunnel support comprises a base detachably connected to a tunnel wall and a support beam detachably connected to the base, the end face of the base away from the tunnel wall is a plane and two parallel side panels are fixedly connected to the end face, the side panels are perpendicular to the end faces, the support beam is arranged between the two side panels and cooperates with the gap therewith, the middle part of the support beam is rotatably connected to a side of the side panel away from the base, a plurality of groups of adjustment holes are provided on a side of the two side panels close to the base, the adjustment holes in the same group are coaxially arranged, the axes of the plurality of groups of adjustment holes are parallel to the rotation axis of the support beam, a positioning hole is provided at one end of the support beam close to the base, the axis of the positioning hole is parallel to the axis of the adjustment hole, and a positioning bolt is detachably connected between the positioning hole and the adjustment hole.

[0006] Preferably, a first rotating hole is provided in the middle of the support beam, a second rotating hole coaxial with the first rotating hole is provided on the side plate, and a rotating pin is detachably provided between the first rotating hole and the second rotating hole.

[0007] Further preferably, the support beam is a beam with an N-shaped cross-section surrounded by two short sides and one long side, the side wall of the short side is bent inward at one end away from the long side to form a U-shaped groove structure, and a baffle is fixedly connected to one end of the support beam away from the base.

[0008] Further preferably, a long strip-shaped through hole is provided on the side wall of the long side of the support beam, and the through hole is arranged along the length direction of the support beam.

[0009] Further preferably, a first stiffening plate is fixedly connected between the base and the two side panels. The first stiffening plate is a rectangular plate and is arranged perpendicular to the end face. Its two opposite side edges are respectively fixedly connected to the two side panels, and its side edge close to the base is fixedly connected to the end face.

[0010] Further preferably, a second stiffening plate is fixedly connected between the base and one side of the two side panels facing away from each other, and the second stiffening plate is a right-angled triangular plate and is arranged perpendicular to the end face, and its two right-angled sides are respectively fixedly connected to the end face and the side panel.

[0011] Still further preferably, two groups of mounting holes are provided on the base, two of the mounting holes are respectively located on the sides of the two side panels facing away from each other, two of the mounting holes in the same group are located on both sides of the side panel close thereto, and four of the mounting holes are located at the four corners of the rectangle.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] The base and the side panels form a mounting structure, the support beam and the side panels are rotatably connected, and a plurality of adjustment holes are arranged on the side panels, and positioning holes are arranged on the support beam. The positioning holes and the adjustment holes are connected by positioning bolts, and the installation and disassembly are convenient. After removing the positioning bolts, the support beam has the function of rotation adjustment, and can be adjusted and fixed according to the needs of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model is a schematic diagram of a tunnel support structure.

[0015] Figure 2 For this utility model Figure 1 Schematic diagram of the main structure of the middle support beam.

[0016] Figure 3 For this utility model Figure 1 Schematic diagram of the structure of the middle support beam from top view.

[0017] Figure 4 For this utility model Figure 1 Schematic diagram of the right view of the middle support beam section.

[0018] Figure 5 For this utility model Figure 1 Schematic diagram of the right view structure of the middle base and side panels.

[0019] Figure 6 For this utility model Figure 1 Schematic diagram of the top view of the structure of the middle base and side panels.

[0020] In the above drawings: 1. base; 101. mounting hole; 2. support beam; 201. positioning hole; 202. first rotating hole; 203. through hole; 204. baffle; 3. side plate; 301. adjustment hole; 302. second rotating hole; 4. positioning bolt; 5. rotating pin; 6. first stiffening plate; 7. second stiffening plate. DETAILED DESCRIPTION

[0021] The technical solution of the present utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0022] like Figure 1 As shown, a tunnel support comprises a base 1 detachably connected to a tunnel wall, and a support beam 2 detachably connected to the base 1. In this embodiment, the base 1 is a plate-like structure, the end face of the base 1 away from the tunnel wall is a plane and two parallel side plates 3 are fixedly connected to the end face, the side plates 3 are welded to the base 1, and the side plates 3 are perpendicular to the end faces. The support beam 2 is arranged between the two side plates 3 and is clearance-matched therewith, and the clearance is zero. The middle part of the support beam 2 is rotationally connected to a side of the side plate 3 away from the base 1, and a plurality of groups of adjustment holes 301 are provided on a side of the two side plates 3 close to the base 1. The same group of adjustment holes 301 are coaxially arranged, and there are two adjustment holes 301 in the same group and they are respectively located on the two side plates 3, and the axes of the plurality of groups of adjustment holes 301 are parallel to the rotation axis of the support beam 2.

[0023] like Figure 2 As shown, a positioning hole 201 is provided at one end of the support beam 2 close to the base 1. In this embodiment, the positioning hole 201 is a waist-shaped hole. The axis of the positioning hole 201 is parallel to the axis of the adjustment hole 301. A positioning bolt 4 is detachably connected between the positioning hole 201 and the adjustment hole 301.

[0024] During use, after removing the positioning bolt 4, the support beam 2 can be rotated and adjusted, and the inclination angle of the support beam 2 can be adjusted according to the use needs, and the position of the support beam 2 can be fixed by the positioning bolt 4;

[0025] In order to support the installation and removal of the beam 2, in a further embodiment, as Figure 1 , Figure 2 As shown, the support beam 2 is provided with a first rotating hole 202 in the middle, the side plate 3 is provided with a second rotating hole 302 coaxial with the first rotating hole 202, and a rotating pin 5 is detachably provided between the first rotating hole 202 and the second rotating hole 302, and the positioning bolt 4 and the rotating pin 5 can be quickly disassembled, so as to facilitate the installation and disassembly between the support beam 2 and the side plate 3;

[0026] In order to support the beam 2 with more usage scenarios, in a further embodiment, as Figure 4As shown, the support beam 2 is a beam with an n-shaped cross section surrounded by two short sides and one long side, and the side wall of the short side is bent inward at one end away from the long side to form a U-shaped groove structure, and the end of the support beam 2 away from the base 1 is fixedly connected with a baffle 204, and by using a hook, the groove structure can be matched to have a hanging function;

[0027] In a further embodiment, Figure 3 As shown, a long strip-shaped through hole 203 is provided on the side wall of the long side of the support beam 2, and the through hole 203 is arranged along the length direction of the support beam 2. A bolt connection structure passing through the through hole 203 can achieve a hanging or supporting effect;

[0028] In order to improve the supporting strength of the side plate 3, in a further embodiment, as Figure 5 , Figure 6 As shown, a first stiffening plate 6 is fixedly connected between the base 1 and the two side panels 3. The first stiffening plate 6 is a rectangular plate and is arranged perpendicular to the end surface. Its two opposite side edges are respectively fixedly connected to the two side panels 3, and its side edge close to the base 1 is fixedly connected to the end surface. In this embodiment, two first stiffening plates 6 are provided, and are respectively located at the two ends of the side panels 3; a second stiffening plate 7 is fixedly connected between the side opposite to the two side panels 3 and the base 1. The second stiffening plate 7 is a right-angled triangular plate and is arranged perpendicular to the end surface, and its two right-angled sides are respectively fixedly connected to the end surface and the side panel 3;

[0029] When the bracket is installed, the side plate 3 is in a vertical state, and the first stiffening plate 6 and the second stiffening plate 7 can provide good horizontal stability for the two side plates 3, thereby improving the stability of the bracket;

[0030] Specifically, two groups of mounting holes 101 are provided on the base 1, and the two mounting holes 101 are respectively located on the opposite sides of the two side panels 3, and the two mounting holes 101 in the same group are located on both sides of the side panel 3 close thereto, and the four mounting holes 101 are located at the four corners of the rectangle.

[0031] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A tunnel support, comprising a base (1) detachably connected to a tunnel wall, and a support beam (2) detachably connected to the base (1), characterized in that: The end face of the base (1) away from the tunnel wall is a plane and two parallel side plates (3) are fixedly connected to the end face, the side plates (3) are perpendicular to the end face, the support beam (2) is arranged between the two side plates (3) and is gap-matched therewith, the middle part of the support beam (2) is rotatably connected to the side of the side plate (3) away from the base (1), a plurality of groups of adjustment holes (301) are provided on the side of the two side plates (3) close to the base (1), the same group of adjustment holes (301) are coaxially arranged, the axes of the plurality of groups of adjustment holes (301) are parallel to the rotation axis of the support beam (2), and the support beam (2) close to the base (1) is connected to the side of the side plate (3) close to the base (1). A positioning hole (201) is provided at one end, the axis of the positioning hole (201) is parallel to the axis of the adjustment hole (301), a positioning bolt (4) is detachably connected between the positioning hole (201) and the adjustment hole (301), the support beam (2) is a beam with an n-shaped cross section surrounded by two short sides and one long side, the side wall of the short side is bent inwardly at one end away from the long side to form a U-shaped groove structure, the end of the support beam (2) away from the base (1) is fixedly connected to a baffle (204), and a long strip-shaped through hole (203) is provided on the side wall of the long side of the support beam (2), and the through hole (203) is arranged along the length direction of the support beam (2).

2. A tunnel support according to claim 1, characterized in that: A first rotating hole (202) is provided in the middle of the support beam (2), a second rotating hole (302) coaxial with the first rotating hole (202) is provided on the side plate (3), and a rotating pin shaft (5) is detachably provided between the first rotating hole (202) and the second rotating hole (302).

3. A tunnel support according to any one of claims 1-2, characterized in that: A first stiffening plate (6) is fixedly connected between the base (1) and the two side plates (3); the first stiffening plate (6) is a rectangular plate and is arranged perpendicular to the end surface; its two opposite side edges are respectively fixedly connected to the two side plates (3); and its side edge close to the base (1) is fixedly connected to the end surface.

4. A tunnel support according to claim 3, characterized in that: A second stiffening plate (7) is fixedly connected between the base (1) and the side opposite to the two side plates (3); the second stiffening plate (7) is a right-angled triangular plate and is arranged perpendicular to the end face, and its two right-angled sides are respectively fixedly connected to the end face and the side plate (3).

5. The tunnel support according to claim 3, characterized in that: The base (1) is provided with two groups of mounting holes (101), the two mounting holes (101) are respectively located on the opposite sides of the two side panels (3), the two mounting holes (101) in the same group are located on the two sides of the side panel (3) close thereto, and the four mounting holes (101) are located at the four corners of a rectangle.

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