Lining reinforcing device for tunnel engineering

Abstract

The utility model discloses a lining reinforcing device for tunnel engineering, which belongs to the technical field of tunnel engineering and comprises a tunnel body and a plurality of groups of supporting seats, the supporting seats are symmetrically arranged along two sides of the inner wall of the tunnel body, an adjusting mechanism is arranged between every two groups of supporting seats, supporting bodies are mounted on the supporting seats, and the supporting bodies are connected with the tunnel body. A supporting frame is installed on the supporting body, a reinforcing assembly is arranged between the supporting frame and the supporting body so that the supporting frame and the supporting body can be attached to the inner wall of the tunnel body, a plurality of sets of studs are arranged on the inner wall of the tunnel body, and the studs penetrate through the supporting frame and are fixed through positioning rings. A clamping seat is arranged between every two of the multiple sets of bearing frames through a connecting rod, a stud penetrates through each clamping seat, and each clamping seat is fixed through a positioning ring. The lining reinforcing device is convenient to disassemble and assemble, stable in structure and capable of guaranteeing the construction efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel engineering, in particular to a lining reinforcement device for tunnel engineering. Background Art

[0002] Tunnel lining is a permanent support structure built with reinforced concrete and other materials along the tunnel body to prevent deformation or collapse of the surrounding rock. Lining technology is usually used in tunnel engineering and water conservancy channels. Lining is simply the inner lining, and the most common lining is block lining, which can be prestressed high-pressure grouting plain concrete lining.

[0003] The tunnel lining is mainly composed of an arch ring, a side wall, an invert and a bottom plate. In order to improve the reinforcement effect of the tunnel lining in the prior art, the design structure is usually complicated, the assembly and installation are difficult, and it is not convenient for the later engineering. Utility Model Content

[0004] In order to overcome the defects of the prior art, the technical problem to be solved by the utility model is to provide a lining reinforcement device which is easy to disassemble and install, has a stable structure and ensures construction efficiency.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] The utility model provides a lining reinforcement device for a tunnel project, comprising a tunnel body and a support seat, wherein the support seats are symmetrically arranged along the inner wall of the tunnel body, and are arranged in a plurality of groups, wherein an adjustment mechanism is arranged between two of the plurality of groups of support seats, a support body is installed on the support seat, a support frame is installed on the support body, and a reinforcement assembly is arranged between the support frame and the support body, so that the support frame and the support body are attached to the inner wall of the tunnel body;

[0007] The inner wall of the tunnel body is provided with a plurality of groups of studs, which pass through the support frame and are fixed by a positioning ring. A clamping seat is provided between two of the plurality of groups of support frames through a connecting rod, and the clamping seat passes through the studs and is fixed by a positioning ring.

[0008] The preferred technical solution of the utility model is that the adjusting mechanism includes a main rod, and mounting rods and screw rods are respectively provided at both ends of the main rod, and the supporting seats are connected to each other through mounting rods and screw rods, one end of the mounting rod is fixedly connected to a group of supporting seats, and the other end is slidably connected to the main rod, one end of the screw rod is rotatably connected to another group of supporting seats, and the other end is threadedly connected to the main rod, and an adjustment handle is provided on the screw rod.

[0009] The preferred technical solution of the utility model is that arc-shaped slide grooves are arranged on both sides of the inner wall of the main rod, and several groups of arc-shaped plates slidably connected to the arc-shaped slide grooves are arranged on both sides of the mounting rod. Several groups of clamping grooves are opened on the inner wall of the arc-shaped slide groove toward the side close to the main rod, and the clamping grooves are adapted to the arc-shaped plates. The outer wall of the mounting rod is provided with a limiting plate abutting against the main rod.

[0010] The preferred technical solution of the utility model is that a locking protrusion is provided at one end of the support frame, a locking groove adapted to the locking protrusion is provided at one end of the support body away from the support seat, and a limiting groove adapted to the reinforcement component is provided at the locking end of the support frame and the support body.

[0011] The preferred technical solution of the utility model is that the reinforcement component includes a reinforcement end cover, a mounting groove is provided on one side of the reinforcement end cover, both sides of the inner wall of the mounting groove are rotatably connected to the limit rod, guide grooves are provided on both side walls of the mounting groove, and a spring is provided between the inner wall of the guide groove and the limit rod.

[0012] The preferred technical solution of the utility model is that a limiting end engaged with the limiting groove is provided on the side of the limiting rod away from the spring, the end face of the limiting end is arc-shaped, and the limiting groove is arc-shaped near one end of the limiting rod.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The connection strength between the two groups of support seats is improved by the coordination of the arc plate, the arc slide groove and the card slot. The distance between the two groups of support seats is adjusted by the coordination of the adjustment handle, the main rod, the installation rod and the screw rod to adapt to the use of the inner wall distance of the tunnel body of different specifications. The operation is simple and the application range is wide. The applicability and practicality of the reinforcement structure are increased, and the adhesion strength of the support body and the support seat to the inner wall of the tunnel body can be improved, thereby improving the reinforcement effect of the tunnel body. The structure is simple, which is convenient for assembly during use and disassembly at a later time.

[0015] 2. Install the reinforcement end cover on the mounting position of the support body and the support frame, so that the limit rod is engaged with the mounting groove, and the limit ends on both sides are engaged with the limit groove under the action of the spring, so as to realize the clamping effect on the support body and the support frame, so as to improve the connection strength between the support body and the support frame, and increase the firmness of the reinforcement structure. When disassembling later, only the reinforcement end cover needs to be pulled outward to separate the engagement between the limit end and the limit groove, which ensures the convenience of disassembly and assembly, facilitates the assembly and disassembly of the reinforcement structure during tunnel engineering work, and improves the work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the tunnel lining reinforcement structure provided in a specific embodiment of the utility model;

[0017] Figure 2 It is a side view of the tunnel lining reinforcement structure provided in a specific embodiment of the utility model;

[0018] Figure 3 It is provided in the specific implementation mode of the utility model Figure 1 A schematic diagram of the structure enlargement in the middle;

[0019] Figure 4 It is a schematic diagram of the reinforcement structure provided in a specific embodiment of the utility model;

[0020] Figure 5 It is a schematic diagram of the adjustment structure provided in a specific embodiment of the utility model;

[0021] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0022] 1. Tunnel body; 11. Stud; 2. Support frame; 21. Engaging protrusion; 3. Support body; 31. Engaging groove; 4. Reinforcement assembly; 41. Reinforcement end cover; 42. Limit end; 43. Mounting groove; 44. Guide groove; 45. Spring; 46. Limit rod; 5. Support seat; 6. Engaging seat; 61. Positioning ring; 7. Adjustment mechanism; 71. Main rod; 72. Mounting rod; 73. Screw rod; 74. Adjustment handle; 75. Arc slide groove; 76. Engagement groove; 77. Limit plate; 78. Arc plate; 8. Limit groove; 9. Connecting rod. DETAILED DESCRIPTION

[0023] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0024] A lining reinforcement device for a tunnel project, comprising a tunnel body 1 and a support seat 5, wherein the support seats 5 are symmetrically arranged along the inner wall of the tunnel body 1, and are provided in a plurality of groups, wherein an adjustment mechanism 7 is provided between two of the plurality of groups of support seats 5, wherein a support body 3 is installed on the support seat 5, a support frame 2 is installed on the support body 3, and a reinforcement assembly 4 is provided between the support frame 2 and the support body 3, so that the support frame 2 and the support body 3 are attached to the inner wall of the tunnel body 1;

[0025] The inner wall of the tunnel body 1 is provided with a plurality of groups of studs 11 , which pass through the support frame 2 and are fixed by a positioning ring 61 . A plurality of groups of support frames 2 are provided with a snap-fit ​​seat 6 between each other through a connecting rod 9 , and the snap-fit ​​seat 6 passes through the studs 11 and is fixed by a positioning ring 61 .

[0026] When the reinforcement structure is used to reinforce the tunnel lining, the support frame 2 is aligned with the stud 11 and installed on the inner wall of the tunnel body 1, the middle part of the support frame 2 is fixed by the positioning ring 61, and the snap-fit ​​seat 6 is installed on the support frame 2 through the stud 11. Every two groups of support frames 2 are connected by a connecting rod 9. The structure is adapted to the inner wall of the tunnel body 1 and can be attached to the inner wall of the tunnel body 1 during installation. The support body 3 is installed on the support seat 5, and the support body 3 can be inserted into the support seat 5 or installed in other ways. At least four groups of support seats 5 are connected in sequence by the adjustment mechanism 7 to form a closure, and the four groups of support seats 5 are symmetrically arranged in pairs. The distance between the support seats 5 on the left and right sides of the tunnel body 1 is adjusted by the adjustment mechanism 7 so that the support seats 5 can be attached to both sides of the inner wall of the tunnel body 1. During the adjustment process, the support seat 5 drives the supporting body 3 to move to the bottom of the supporting frame 2 and is connected with it by snapping. The reinforcement component 4 is installed on the supporting frame 2 and the supporting body 3 to fix the connection between the two, thereby improving the stability of the reinforcement structure. The operation is simple, the convenience of installing the reinforcement structure is improved, and the later disassembly is also convenient. Through the connection of the adjustment mechanism 7, the distance between the two groups of support seats 5 can be adjusted to adapt to the needs of tunnel bodies 1 of different specifications. The corresponding curvature of the supporting frame 2 and the supporting body 3 can be selected for cooperation. The scope of application is wide, and the difficulty of assembly and disassembly is reduced at the same time, the construction efficiency is improved, and the firmness of the reinforcement structure is ensured to achieve the reinforcement effect on the tunnel lining.

[0027] As a possible implementation mode of this scheme, preferably, the adjustment mechanism 7 includes a main rod 71, and the two ends of the main rod 71 are respectively provided with a mounting rod 72 and a screw 73, and the supporting seats 5 are connected to each other through the mounting rod 72 and the screw 73. One end of the mounting rod 72 is fixedly connected to a group of supporting seats 5, and the other end is slidably connected to the main rod 71. One end of the screw 73 is rotatably connected to another group of supporting seats 5, and the other end is screwed to the main rod 71. An adjustment handle 74 is provided on the screw 73, and a limiting plate 77 abutting against the main rod 71 is provided on the outer wall of the mounting rod 72 to keep the mounting rod 72 away from the supporting One end of the seat 5 is installed inside one end of the main rod 71, and the end of the screw rod 73 away from the supporting seat 5 is screwed to the end of the main rod 71 away from the mounting rod 72, and the adjusting handle 74 is rotated. The adjusting handle 74 drives the screw rod 73 to rotate. Since the screw rod 73 is rotatably connected to the supporting seat 5 and is screwed to the main rod 71, the distance between the main rod 71 and the supporting seat 5 can be adjusted by rotating the screw rod 73, thereby adjusting the distance between the two groups of supporting seats 5 respectively connected to the mounting rod 72 and the screw rod 73 to adapt to the use of inner wall distances of tunnel bodies 1 of different specifications. It is easy to operate and has a wide range of applications, which increases the applicability and practicality of the reinforcement structure.

[0028] As a possible implementation of this scheme, preferably, arc-shaped slots 75 are provided on both sides of the inner wall of the main rod 71, and a plurality of groups of arc-shaped plates 78 slidably connected to the arc-shaped slots 75 are provided on both sides of the mounting rod 72. The inner wall of the arc-shaped slot 75 is provided with a plurality of groups of card slots 76 toward the side close to the main rod 71, and the card slots 76 are adapted to the arc-shaped plates 78. The outer wall of the mounting rod 72 is provided with a limit plate 77 abutting against the main rod 71, so that the arc-shaped plates 78 are aligned with the arc-shaped slots 75. The shaped slide groove 75 is installed so that the installation rod 72 is slidably installed inside one end of the main rod 71. When the installation rod 72 moves to the limit plate 77 and abuts against the main rod 71, the arc plate 78 moves to the notch of the slot 76, and the main rod 71 is rotated to make the arc plate 78 engage in the slot 76, so that the installation rod 72 is installed in the main rod 71, avoiding the installation rod 72 from sliding along the inner wall of the main rod 71, increasing the stability of the connection between the two sets of support seats 5, thereby improving the firmness of the reinforced structure.

[0029] As a possible implementation mode of the present scheme, preferably, one end of the support frame 2 is provided with a snap-fit ​​protrusion 21, and the end of the support body 3 away from the support seat 5 is provided with a snap-fit ​​groove 31 adapted to the snap-fit ​​protrusion 21, and the snap-fit ​​ends of the support frame 2 and the support body 3 are provided with a limiting groove 8 adapted to the reinforcement component 4, and the snap-fit ​​groove 31 of the support body 3 on one side of the support seat 5 is installed corresponding to the snap-fit ​​protrusion 21, and the adjusting handle 74 is rotated to drive the screw 73 to rotate, and the distance between the support seats 5 on both sides is adjusted, so that the support seats 5 on both sides are attached to the inner wall of the tunnel body 1 on both sides, and the corresponding support body 3 is driven to move to the bottom of the corresponding support frame 2 during the movement of the support seat 5 on the other side, so that the snap-fit ​​groove 31 on the support body 3 is engaged with the snap-fit ​​protrusion 21 of the corresponding support frame 2, and the connection strength between the support frame 2 and the support body 3 is further strengthened through the limiting groove 8 and the reinforcement component 4, thereby improving the assembly convenience of the reinforcement structure and the supporting effect and stability of the support frame 2, and also facilitating the later disassembly, thereby improving the overall assembly and disassembly efficiency.

[0030] As a possible implementation mode of the present scheme, preferably, the reinforcement component 4 includes a reinforcement end cover 41, a mounting groove 43 is provided on one side of the reinforcement end cover 41, and both sides of the inner wall of the mounting groove 43 are rotatably connected to limit rods 46, and guide grooves 44 are provided on both side walls of the mounting groove 43, and a spring 45 is provided between the inner wall of the guide groove 44 and the limit rod 46, and a limit end 42 engaged with the limit groove 8 is provided on the side of the limit rod 46 away from the spring 45, and the end face of the limit end 42 is in an arc shape, and the end of the limit groove 8 close to the limit rod 46 is in an arc shape, and the limit rods 46 on both sides of the inner wall of the mounting groove 43 are installed corresponding to the mounting grooves 43 on the support body 3 and the support frame 2, and the reinforcement end cover 41 is installed on the support body 3 The two reinforcement components 4 on one side of the inner wall of the tunnel body 1 are connected by a connecting rod 9. When disassembling, the reinforcement end cover 41 is pulled outward. Since the end face of the limiting end 42 and the notch of the limiting groove 8 are both arc-shaped, the limiting end 42 will not be stuck with the limiting groove 8, which is convenient for later disassembly, ensuring the convenience of disassembly and assembly, facilitating the assembly and disassembly of the reinforcement structure during tunnel engineering work, and improving the work efficiency.

[0031] The present invention is described by preferred embodiments, and those skilled in the art will appreciate that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. The present invention is not limited to the specific embodiments disclosed herein, and other embodiments falling within the claims of this application are within the scope of protection of the present invention.

Claims

1. A lining reinforcement device for a tunnel engineering, characterized in that: The invention comprises a tunnel body (1) and a support seat (5), wherein the support seats (5) are symmetrically arranged along the inner wall of the tunnel body (1) and are provided in a plurality of groups, and an adjustment mechanism (7) is provided between each of the plurality of groups of the support seats (5), a support body (3) is installed on the support seat (5), a support frame (2) is installed on the support body (3), and a reinforcement component (4) is provided between the support frame (2) and the support body (3), so that the support frame (2) and the support body (3) are attached to the inner wall of the tunnel body (1); The inner wall of the tunnel body (1) is provided with a plurality of groups of studs (11), the studs (11) pass through the support frame (2) and are fixed by a positioning ring (61), and a clamping seat (6) is provided between two of the plurality of groups of support frames (2) via a connecting rod (9), the clamping seat (6) passes through the studs (11) and is fixed by a positioning ring (61).

2. The lining reinforcement device for tunnel engineering according to claim 1, characterized in that: The adjustment mechanism (7) comprises a main rod (71), and the two ends of the main rod (71) are respectively provided with a mounting rod (72) and a screw rod (73); the supporting seats (5) are connected to each other through the mounting rod (72) and the screw rod (73); one end of the mounting rod (72) is fixedly connected to one group of supporting seats (5), and the other end is slidably connected to the main rod (71); one end of the screw rod (73) is rotatably connected to another group of supporting seats (5), and the other end is screwed to the main rod (71); and an adjustment handle (74) is provided on the screw rod (73).

3. The lining reinforcement device for tunnel engineering according to claim 2, characterized in that: Arc-shaped slide grooves (75) are arranged on both sides of the inner wall of the main rod (71); a plurality of groups of arc-shaped plates (78) slidably connected to the arc-shaped slide grooves (75) are arranged on both sides of the installation rod (72); a plurality of groups of clamping grooves (76) are opened on the inner wall of the arc-shaped slide groove (75) toward the side close to the main rod (71); the clamping grooves (76) are matched with the arc-shaped plates (78); and a limiting plate (77) abutting against the main rod (71) is arranged on the outer wall of the installation rod (72).

4. The lining reinforcement device for tunnel engineering according to claim 1, characterized in that: A snap-fitting protrusion (21) is provided at one end of the support frame (2), a snap-fitting groove (31) adapted to the snap-fitting protrusion (21) is provided at one end of the support body (3) away from the support seat (5), and a limit groove (8) adapted to the reinforcement component (4) is provided at the snap-fitting ends of the support frame (2) and the support body (3).

5. The lining reinforcement device for tunnel engineering according to claim 1, characterized in that: The reinforcement assembly (4) comprises a reinforcement end cover (41), a mounting groove (43) is provided on one side of the reinforcement end cover (41), both sides of the inner wall of the mounting groove (43) are rotatably connected to limit rods (46), both side walls of the mounting groove (43) are provided with guide grooves (44), and a spring (45) is provided between the inner wall of the guide groove (44) and the limit rod (46).

6. The lining reinforcement device for tunnel engineering according to claim 5, characterized in that: A limiting end (42) engaged with the limiting groove (8) is provided on the side of the limiting rod (46) away from the spring (45), the end surface of the limiting end (42) is in an arc shape, and the end of the limiting groove (8) close to the limiting rod (46) is in an arc shape.

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