Tunnel hole body lining auxiliary device

Abstract

The utility model discloses a tunnel hole body lining auxiliary device, belongs to the technical field of tunnel hole body lining auxiliary devices, and solves the problems that in the prior art, rapid positioning and binding of reinforcing steel bars cannot be achieved, the accuracy of the distance between the reinforcing steel bars is poor, and the construction efficiency and the structural quality are affected. The device comprises an arched steel frame, wherein the outer side of the arched steel frame is provided with a T-shaped sliding groove, and an arched part positioning structure and a side wall positioning structure which are arranged on the T-shaped sliding groove in a sliding manner; the arch part positioning structure comprises an arc-shaped sliding block and a positioning piece A; the arc-shaped sliding block is in sliding fit with a T-shaped sliding groove in the arch part side of the arch steel frame; the positioning piece A is arranged on the arc-shaped sliding block and is used for clamping at least two reinforcing steel bars; the side wall positioning structure comprises a sliding block in sliding fit with the T-shaped sliding groove in one side of the side wall of the arched steel frame and a positioning piece B arranged on the sliding block and used for clamping at least two steel bars. The tunnel body lining auxiliary device is used for tunnel body lining assistance.

Description

Technical Field

[0001] The invention discloses a tunnel body lining auxiliary device, which is used for tunnel body lining auxiliary and belongs to the technical field of tunnel body lining auxiliary devices. Background Art

[0002] Tunnel lining is an important part of high-speed railway and highway construction, which is related to the stability and service life of the tunnel structure. Lining auxiliary devices are a series of equipment and tools used in the tunnel lining construction process, aiming to improve construction efficiency, ensure construction quality, and protect the safety of operators.

[0003] The main construction techniques for tunnel lining are:

[0004] 1. Initial support: After tunnel excavation, initial support is required to prevent the surrounding rock from loosening and deformation, which usually includes shotcrete, anchor construction, steel arch installation, etc.

[0005] 2. Secondary lining: After the initial support, secondary lining is carried out, that is, reinforced concrete or prestressed concrete structure is constructed within a certain distance inside and outside the tunnel excavation contour to bear the surrounding rock pressure and provide passage space for trains or vehicles.

[0006] The steel bar binding of the tunnel lining is an important part of the tunnel structure construction. The reasonable layout and firm binding of the steel bars are directly related to the bearing capacity and service life of the tunnel structure. The main parts where the lining steel bars need to be positioned and bound include the arch steel bars and the side wall steel bars. The arch is the part of the tunnel that bears the main pressure and bending force, so the positioning and binding of the arch steel bars are particularly important. The side wall steel bars also need to be accurately positioned, because the side wall not only has to bear the pressure from the stratum, but also the force from the arch.

[0007] Although the existing technology also uses the positioning template to ensure the correct position of the steel bars, there are the following technical problems:

[0008] It is impossible to quickly position and tie the steel bars, and it is easy to cause poor accuracy in the spacing between the steel bars, affecting the construction efficiency and structural quality. Utility Model Content

[0009] The utility model aims to provide a tunnel body lining auxiliary device to solve the problem that the prior art cannot realize the rapid positioning and binding of steel bars, and easily causes poor precision of steel bar spacing, thus affecting construction efficiency and structural quality.

[0010] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0011] A tunnel body lining auxiliary device comprises an arched steel frame, a T-shaped slide groove is arranged on the outer side of the arched steel frame, an arch positioning structure and a side wall positioning structure are slidably arranged on the T-shaped slide groove;

[0012] The arch positioning structure includes an arc-shaped slider that slidably cooperates with the T-shaped slide groove on the arch side of the arch steel frame, and a positioning member A that is arranged on the arc-shaped slider and clamps at least two steel bars;

[0013] The side wall positioning structure comprises a sliding block that is slidably matched with a T-shaped sliding groove on one side of the side wall of the arched steel frame, and a positioning member B that is arranged on the sliding block and clamps at least two steel bars.

[0014] Furthermore, the arched steel frame includes at least two arched frames, a connecting rod connecting two adjacent arched frames, the arched frame includes relatively arranged vertical frames, an arched frame arranged on the vertical frames, T-shaped slide grooves are respectively arranged on the outer sides of the vertical frames and the arched frames, and each arched frame is respectively provided with an arch positioning structure and a side wall positioning structure, the arch positioning structure is slidably matched with the T-shaped slide groove on the arched frame, and the side wall positioning structure is slidably matched with the T-shaped slide groove on the vertical frame.

[0015] Further, the positioning member A comprises a plurality of first positioning rods arranged along the arc length direction of the arc-shaped slider, and a clamping member A arranged on the first positioning rods;

[0016] The positioning member B includes a plurality of second positioning rods arranged along the length direction of the slider, and a clamping member B arranged on the second positioning rods.

[0017] Furthermore, the clamping member A and the clamping member B respectively include an arc-shaped clip A and an arc-shaped clip B that cooperates with the arc-shaped clip A to clamp the steel bar, and the arc-shaped clip A or the arc-shaped clip B is an elastic clip.

[0018] Furthermore, the arc-shaped slider and the slider are respectively provided with square positioning posts, and the square positioning posts are provided with internal thread grooves;

[0019] The other end of the clamping member A is provided with an arc-shaped connecting block connected to a plurality of first positioning rods, and the arc-shaped connecting block is provided with a positioning hole A matched with a square positioning column on the arc-shaped slider, and a bolt matched with the internal thread groove;

[0020] A connecting block connected to a plurality of second positioning rods is arranged on the other end of the clamping member B, and a positioning hole B matched with a square positioning column on the slider and a bolt matched with the internal thread groove are arranged on the connecting block.

[0021] Furthermore, the arc-shaped connecting block and the connecting block are provided with a plurality of internal threaded columns, and the first positioning rod and the second positioning rod are respectively matched with threads of the internal threaded columns at corresponding positions.

[0022] Furthermore, the first positioning rod and the second positioning rod are telescopic rods.

[0023] Compared with the prior art, the advantages of the utility model are:

[0024] First, the utility model can conveniently slide and adjust the positions of the arch positioning structure and the side wall positioning structure by arranging a T-shaped slide groove on the outer side of the arch steel frame, so that the positioning pieces A and B on the moved arch positioning structure and the side wall positioning structure can be clamped and matched with the tied and untied steel bars respectively, or after the arch positioning structure and the side wall positioning structure are fixed, the untied multiple steel bars can be positioned and tied, so as to realize the rapid positioning and tying of the arch and side wall steel bars, improve the spacing and tying accuracy of the steel bars, and improve the construction efficiency and structural quality.

[0025] Second, the arched steel frame in the utility model is composed of at least two arched frames and connecting rods, so that the whole device has stronger stability and load-bearing capacity, and it is convenient to accurately locate the same steel bar at multiple points through the cooperation of multiple arch positioning structures and side wall positioning structures arranged on multiple arched frames;

[0026] 3. The multiple first positioning rods in the positioning member A and the multiple second positioning rods in the positioning member B in the utility model are respectively arranged along the length direction of the arc-shaped slider and the slider, and the clamping members A and B thereon can firmly clamp the steel bars, so that the positioning and binding of the steel bars are achieved through the joint action of multiple positioning points, which can significantly improve the stability of the lining material in the tunnel body;

[0027] Fourth, the arc-shaped clip A and the arc-shaped clip B in the utility model are used in combination, and one of them is an elastic clip, so as to firmly clamp the steel bars of different diameters, and to facilitate the displacement and limiting of the steel bars during binding through the other arc-shaped clip. After the steel bars are bound, the elastic action of the elastic clip can also facilitate the removal of the arc-shaped clip A and the arc-shaped clip B from the steel pipe;

[0028] 5. The square positioning column in the utility model cooperates with the positioning hole A and the positioning hole B, and the bolt cooperates with the internal thread groove, which ensures the stability and position accuracy of the positioning parts A and B, avoids the displacement or shaking that may occur during the construction process, and is also convenient for adjusting the direction of the positioning parts A and B according to the arc shape or length direction of the steel bar arch surface, the horizontal or vertical positioning requirements of the side wall;

[0029] 6. The utility model cooperates with the threads of the internal thread column and the positioning rod, so that the first positioning rod and the second positioning rod can be firmly fixed on the arc-shaped connecting block and the connecting block, and it is also convenient to install and disassemble according to needs;

[0030] 7. When the first positioning rod and the second positioning rod in the utility model are telescopic rods, their lengths can be adjusted according to actual needs, and it is convenient to retract the first positioning rod and the second positioning rod to remove the arc-shaped clamp A and the arc-shaped clamp B from the clamped steel bars. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0032] Figure 1 It is a schematic diagram of the structure of the utility model;

[0033] Figure 2 This is a schematic diagram of the structure of the arch frame in the utility model;

[0034] Figure 3 It is a structural schematic diagram of the positioning structure of the middle arch portion of the utility model;

[0035] Figure 4 It is a structural schematic diagram of the side wall positioning structure of the utility model;

[0036] In the figure: 1-arch steel frame, 2-T-shaped slide, 3-arch positioning structure, 4-side wall positioning structure, 5-arc slider, 6-positioning member A, 7-slider, 8-positioning member B, 9-arch frame, 10-connecting rod, 11-vertical frame, 12-arch frame, 13-first positioning rod, 14-clamping member A, 15-second positioning rod, 16-clamping member B, 17-arc clip A, 18-arc clip B, 19-square positioning column, 20-internal thread groove, 21-arc connecting block, 22-positioning hole A, 23-bolt, 24-connecting block, 25-positioning hole B, 26-internal thread column. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of 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.

[0038] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0039] In the description of the present utility model, it should be noted that if the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the accompanying drawings, or is the orientation or position relationship in which the utility model product is usually placed when used. It is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model.

[0040] In addition, the terms “first”, “second”, “third”, etc., if used, are merely used to distinguish between the descriptions and should not be understood as indicating or implying relative importance.

[0041] In addition, the terms "horizontal", "vertical", "overhanging", etc. do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0042] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", "connection", etc. 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 a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0043] It should be noted that, in the absence of conflict, the features in the embodiments of the present invention may be combined with each other.

[0044] Example 1

[0045] In order to solve the problem that the existing technology cannot realize the rapid positioning and binding of steel bars, and easily causes poor precision of steel bar spacing, which affects construction efficiency and structural quality. Figure 1-4As shown, a tunnel body lining auxiliary device includes an arched steel frame 1 (which can be an arched steel frame with a pulley or an arched steel frame without a pulley), a T-shaped slide groove 2 is provided on the outer side of the arched steel frame 1, an arch positioning structure 3 and a side wall positioning structure 4 are slidably arranged on the T-shaped slide groove 2; the arch positioning structure 3 includes an arcuate slider 5 that slidably cooperates with the T-shaped slide groove 2 on the arch side of the arched steel frame 1, and a positioning member A6 is arranged on the arcuate slider 5 for clamping at least two steel bars; the side wall positioning structure 4 includes a slider 7 that slidably cooperates with the T-shaped slide groove 2 on one side of the side wall of the arched steel frame 1, and a positioning member B8 is arranged on the slider 7 for clamping at least two steel bars.

[0046] In practice, to move the arch steel frame to the designated position, a steel bar can be positioned and tied at the arch and the side wall first. After tying, the arc slider 5 and the slider 7 are moved in the T-shaped chute 2, so that the positioning member A6 and the positioning member B8 are matched with the steel bars that have been tied at the arch and the side wall, respectively. At the same time, the steel bars to be tied are fixed on the positioning member A6 and the positioning member B8, and the steel bars to be tied can be tied by matching the tied steel bars with the positioning member A6 and the positioning member B8. Of course, the arc slider 5 and the slider 7 can also be moved to the designated position in the T-shaped chute 2 and fixed (a T-shaped block and a nut can be set in the T-shaped chute to fix the two ends of the arc slider 5 and the slider 7, respectively, or other fixing conditions can be used.), and after fixing, the steel bars that have been tied according to the instructions can be positioned and tied. This embodiment provides a T-shaped slide groove on the outer side of the arch steel frame, which can conveniently slide and adjust the positions of the arch positioning structure and the side wall positioning structure, so that the positioning members A and B on the moved arch positioning structure and the side wall positioning structure can be clamped and cooperated with the tied and untied steel bars respectively, or after the arch positioning structure and the side wall positioning structure are fixed, multiple untied steel bars can be positioned and tied, so as to realize the rapid positioning and binding of the arch and side wall steel bars, improve the spacing and binding accuracy of the steel bars, and improve the construction efficiency and structural quality.

[0047] Example 2

[0048] On the basis of Example 1, the arch steel frame 1 includes at least two arch frames 9, such as 2 or 3, which are selected according to practical needs, and the connecting rods 10 connecting the two adjacent arch frames 9 are selected. The arch frames 9 include relatively arranged uprights 11, arch frames 12 arranged on the uprights 11, and T-shaped slide grooves 2 are respectively arranged on the outer sides of the uprights 11 and the arch frames 12. Each arch frame 9 is respectively provided with an arch positioning structure 3 and a side wall positioning structure 4, and the arch positioning structure 3 is slidably matched with the T-shaped slide groove 2 on the arch frame 12, and the side wall positioning structure 4 is slidably matched with the T-shaped slide groove 2 on the uprights 11. The arch steel frame is composed of at least two arch frames and connecting rods, so that the whole device has stronger stability and bearing capacity, and at the same time, it is convenient to accurately position the same steel bar at multiple points through the cooperation of multiple arch positioning structures and side wall positioning structures arranged on multiple arch frames. Of course, it is not ruled out that the arch steel frame 1 can also be other structures.

[0049] Example 3

[0050] On the basis of Example 2, the positioning member A6 includes a plurality of first positioning rods 13 arranged along the arc length direction of the arc-shaped slider 5, and a clamping member A14 arranged on the first positioning rod 13; the positioning member B8 includes a plurality of second positioning rods 15 arranged along the length direction of the slider 7, and a clamping member B16 arranged on the second positioning rod 15. The plurality of first positioning rods in the positioning member A and the plurality of second positioning rods in the positioning member B are arranged along the length direction of the arc-shaped slider and the slider, respectively, and can firmly clamp the steel bars through the clamping members A and the clamping members B thereon, such as fixing a tied steel bar and at least one untied steel bar, or a plurality of untied steel bars, and the spacing between the steel bars is limited by the spacing between the plurality of first positioning rods 13 and the plurality of second positioning rods 15, and the steel bars are positioned and tied by clamping the steel bars through the clamping members A14 and the clamping members B16, so that the positioning and tying of the steel bars is achieved through the joint action of multiple positioning points, which can significantly improve the lining material in the tunnel body. Stability, the clamping member A14 and the clamping member B16 respectively include an arc-shaped clip A17 and an arc-shaped clip B18 that cooperates with the arc-shaped clip A17 to clamp the steel bar. The arc-shaped clip A17 or the arc-shaped clip B18 is an elastic clip. The arc-shaped clip A and the arc-shaped clip B are used in combination, and one of them is an elastic clip, so as to firmly clamp steel bars of different diameters, and to facilitate the displacement and limiting of the steel bars during binding through the other arc-shaped clip. After the steel bars are bound, the elastic action of the elastic clip can also facilitate the removal of the arc-shaped clip A and the arc-shaped clip B from the steel pipe, such as moving the arched steel frame to make the steel bars slide out of the openings of the arc-shaped clip A and the arc-shaped clip B.

[0051] Example 4

[0052] On the basis of Example 3, the arc-shaped slider 5 and the slider 7 are respectively provided with square positioning columns 19, and the square positioning columns 19 are provided with internal thread grooves 20; the other end of the clamping member A14 is provided with an arc-shaped connecting block 21 connecting multiple first positioning rods 13, and the arc-shaped connecting block 21 is provided with positioning holes A22 matching with the square positioning columns 19 on the arc-shaped slider 5, and bolts 23 matching with the internal thread grooves 20; the other end of the clamping member B16 is provided with a connecting block 24 connecting multiple second positioning rods 15, and the connecting block 24 is provided with positioning holes B25 matching with the square positioning columns 19 on the slider 7, and bolts 23 matching with the internal thread grooves 20.

[0053] In practice, according to the direction of the positioned steel bar, the positioning hole A22 of the arc-shaped connecting block 21 is penetrated on the square positioning column 19 on the arc-shaped slider 5, and fixed by the bolt 23 and the internal thread groove 20, and the positioning hole B25 of the connecting block 24 is penetrated on the square positioning column 19 on the slider 7, and fixed by the bolt 23 and the internal thread groove 20. The square positioning column cooperates with the positioning hole A and the positioning hole B, and the bolt cooperates with the internal thread groove, which ensures the stability and position accuracy of the positioning parts A and B, avoids possible displacement or shaking during the construction process, and is also convenient for adjusting the direction of the positioning parts A and B according to the positioning requirements of the arc or length direction of the steel bar arch surface, the horizontal or vertical direction of the side wall.

[0054] Example 5

[0055] On the basis of Example 4, the arc-shaped connecting block 21 and the connecting block 24 are provided with a plurality of internal threaded columns 26, and the first positioning rod 13 and the second positioning rod 15 are respectively threadedly matched with the internal threaded columns 26 at corresponding positions. Through the threaded matching of the internal threaded columns and the positioning rods, the first positioning rod and the second positioning rod can be firmly fixed on the arc-shaped connecting block and the connecting block, and it is also convenient to install and disassemble according to needs.

[0056] Example 6

[0057] On the basis of Example 5, the first positioning rod 13 and the second positioning rod 15 are telescopic rods. When the first positioning rod and the second positioning rod are telescopic rods, their lengths can be adjusted according to actual needs, and it is convenient to retract the first positioning rod and the second positioning rod to remove the arc-shaped clamp A and the arc-shaped clamp B from the clamped steel bars.

Claims

1. A tunnel lining auxiliary device, characterized in that: It comprises an arched steel frame (1), a T-shaped slide groove (2) is arranged on the outer side of the arched steel frame (1), and an arch positioning structure (3) and a side wall positioning structure (4) are slidably arranged on the T-shaped slide groove (2); The arch positioning structure (3) comprises an arc-shaped slider (5) slidably matched with a T-shaped slide groove (2) on the arch side of the arch steel frame (1), and a positioning member A (6) arranged on the arc-shaped slider (5) for clamping at least two steel bars; The side wall positioning structure (4) comprises a sliding block (7) that is slidably matched with a T-shaped sliding groove (2) on one side of the side wall of the arched steel frame (1), and a positioning member B (8) that is arranged on the sliding block (7) and clamps at least two steel bars.

2. A tunnel lining auxiliary device according to claim 1, characterized in that: The arch steel frame (1) comprises at least two arch frames (9), a connecting rod (10) connecting two adjacent arch frames (9), the arch frames (9) comprising oppositely arranged vertical frames (11), an arch frame (12) arranged on the vertical frames (11), a T-shaped slide groove (2) respectively arranged on the outer sides of the vertical frames (11) and the arch frame (12), each arch frame (9) is respectively provided with an arch positioning structure (3) and a side wall positioning structure (4), the arch positioning structure (3) is slidably matched with the T-shaped slide groove (2) on the arch frame (12), and the side wall positioning structure (4) is slidably matched with the T-shaped slide groove (2) on the vertical frame (11).

3. The tunnel lining auxiliary device according to claim 2, characterized in that: The positioning member A (6) comprises a plurality of first positioning rods (13) arranged along the arc length direction of the arc-shaped slider (5), and a clamping member A (14) arranged on the first positioning rods (13); The positioning member B (8) comprises a plurality of second positioning rods (15) arranged along the length direction of the slider (7), and a clamping member B (16) arranged on the second positioning rods (15).

4. The tunnel lining auxiliary device according to claim 3 is characterized in that: The clamping member A (14) and the clamping member B (16) respectively include an arc-shaped clamping piece A (17) and an arc-shaped clamping piece B (18) that cooperates with the arc-shaped clamping piece A (17) to clamp the steel bar, and the arc-shaped clamping piece A (17) or the arc-shaped clamping piece B (18) is an elastic clamping piece.

5. The tunnel lining auxiliary device according to claim 4, characterized in that: The arc-shaped slider (5) and the slider (7) are respectively provided with square positioning columns (19), and the square positioning columns (19) are provided with internal thread grooves (20); The other end of the clamping member A (14) is provided with an arc-shaped connecting block (21) connected to a plurality of first positioning rods (13); the arc-shaped connecting block (21) is provided with a positioning hole A (22) matched with a square positioning column (19) on the arc-shaped slider (5), and a bolt (23) matched with the internal thread groove (20); A connecting block (24) connected to a plurality of second positioning rods (15) is provided on the other end of the clamping member B (16), and a positioning hole B (25) matched with a square positioning column (19) on the slider (7) and a bolt (23) matched with the internal thread groove (20) are provided on the connecting block (24).

6. The tunnel lining auxiliary device according to claim 5, characterized in that: The arc-shaped connecting block (21) and the connecting block (24) are provided with a plurality of internal threaded columns (26), and the first positioning rod (13) and the second positioning rod (15) are respectively threadably matched with the internal threaded columns (26) at corresponding positions.

7. A tunnel lining auxiliary device according to any one of claims 3 to 6, characterized in that: The first positioning rod (13) and the second positioning rod (15) are telescopic rods.

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