Shield tunnel reinforcing device

Abstract

The utility model relates to the technical field of tunnel reinforcement, and discloses a shield tunnel reinforcing device which comprises a tunnel and a pipe piece fixedly arranged in the tunnel, a reinforcing mechanism is arranged in the tunnel, a supporting mechanism is arranged on one side of the reinforcing mechanism, a double-shaft motor is started to drive a lead screw to rotate, and the supporting mechanism is arranged on the other side of the reinforcing mechanism. When the lead screw rotates, a threaded block can be driven to move up and down, when the threaded block moves upwards, a connecting supporting rod can be driven to move upwards, and when the connecting supporting rod moves upwards, a first supporting plate and a second supporting plate can be driven to move upwards. And the second supporting plate moves to be attached to the pipe piece and forms an extruding and supporting effect on the pipe piece, so that the tunnel can be further reinforced on the basis of reinforcement of the pipe piece, meanwhile, the reinforcing device can adapt to tunnels of different specifications and sizes for reinforcement, and therefore the applicability of the reinforcing device is improved, and the practicability is high. And different tunnels with different sizes and specifications do not need to be independently manufactured, so that the cost is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of tunnel reinforcement, and in particular relates to a shield tunnel reinforcement device. Background Art

[0002] In recent years, with the rapid development of society, more and more rail transit construction has been built in cities. The shield method has been widely used in the construction of urban rail transit sections because of its fast construction speed and small impact on the ground.

[0003] A search of CN218882258U disclosed a shield tunnel reinforcement device, which solves the technical problems in the prior art of shield tunnel reinforcement support structure that the support rods in the support structure are too long and inconvenient to transport, and the installation is inefficient by setting the vertical support assembly, the horizontal support assembly and the cross support assembly as an articulated connection structure and a locking structure for installation and connection.

[0004] The reinforcement device can install and connect the support components, thereby facilitating transportation and installation. However, the specifications and sizes of the interior of the different tunnels are different, so the fixing device cannot support tunnels of different specifications. Therefore, when facing different tunnels, it is necessary to manufacture support components of corresponding specifications, which will increase costs and is not convenient for quickly supporting and reinforcing the interior of the tunnel.

[0005] In view of this, the present utility model is proposed. Utility Model Content

[0006] In order to solve the above technical problems that the reinforcement device can install and connect the support components, so as to facilitate transportation and installation, but in different tunnels opened, the specifications of the tunnels are different, so the fixing device cannot support tunnels of different specifications, so when facing different tunnels, it is necessary to manufacture support components of corresponding specifications, which will increase the cost and is not convenient for quickly supporting and reinforcing the inside of the tunnel, the basic concept of the technical solution adopted by the utility model is:

[0007] A shield tunnel reinforcement device, comprising a tunnel;

[0008] The pipe segments are fixedly arranged inside the tunnel, and a reinforcement mechanism is arranged inside the tunnel. A support mechanism is arranged on one side of the reinforcement mechanism, and the reinforcement mechanism includes a fixing frame:

[0009] The inner wall of the fixed frame is fixedly connected to a dual-axis motor, the output end of the dual-axis motor is fixedly connected to a screw rod, the outer wall of the screw rod is threadedly connected to a threaded block, the top of the threaded block is fixedly connected to a connecting support rod, the end of the connecting support rod away from the threaded block is fixedly connected to a first support plate, the first support plate is fixedly connected to an end away from the connecting support rod, the top of the fixed frame is fixedly connected to a support tube, the support tube is sleeved on the outer wall of the screw rod, a limiting sliding groove is provided on the outer wall of the support tube, and the outer wall of the threaded block is slidably connected to the inner wall of the limiting sliding groove.

[0010] As a preferred embodiment of the present utility model, the supporting mechanism includes a first hinge seat fixedly connected to the outer wall of the fixed frame, a reinforcing support rod is rotatably connected to the first hinge seat, the reinforcing support rod is rotatably connected to the second hinge seat at one end away from the first hinge seat, a reinforcing plate is rotatably connected to the second hinge seat, a through hole is provided at the top of the reinforcing plate, a pin is movably provided on the inner wall of the through hole, the pin is fixedly provided on the outer wall of the pipe segment, a movable slot is provided at the top of the first support plate, and the outer wall of the reinforcing support rod is movably provided on the inner wall of the movable slot.

[0011] As a preferred embodiment of the present invention, there are two first support plates and two second support plates, and the first support plates and the second support plates are distributed on the upper and lower sides of the tunnel in an up-and-down symmetrical structure.

[0012] As a preferred embodiment of the utility model, the inner wall of the limiting slide groove fits snugly with the outer wall of the threaded block, the end of the screw rod away from the dual-axis motor is rotatably connected to a circular plate through a bearing, and the outer wall of the connecting support rod movably passes through the bottom end of the circular plate.

[0013] As a preferred embodiment of the utility model, the first support plate is set in an arc shape and is attached to the bottom end of the second support plate, and the second support plate is set in an arc shape, and the top end of the second support plate is attached to the pipe segment.

[0014] As a preferred implementation mode of the present utility model, the number of the reinforcement support rods is two, and the reinforcement support rods are distributed on the left and right sides of the fixing frame in a left-right symmetrical structure.

[0015] As a preferred embodiment of the present invention, the outer wall of the reinforcement support rod fits snugly with the inner wall of the movable slide groove.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] The utility model first moves the reinforcement device to the inside of the tunnel, and then starts the double-axis motor, so that the output ends on the upper and lower sides can drive the screw rod to rotate, and when the screw rod rotates, it can drive the threaded block to move up and down, and when the threaded block moves upward, it can drive the connecting support rod to move upward, and when the connecting support rod moves upward, it can drive the first support plate and the second support plate to move upward until the second support plate moves to fit with the pipe segment and forms an extrusion support effect on the pipe segment, so that the tunnel can be further reinforced on the basis of the reinforcement of the pipe segment, and it can also adapt to the reinforcement of tunnels of different specifications and sizes, thereby improving the applicability of the reinforcement device, and there is no need to manufacture tunnels of different sizes and specifications separately, thereby reducing costs.

[0018] According to the utility model, after the reinforcement device is moved to the inside of the tunnel, the reinforcement support rod is moved. At this time, the reinforcement support rod can be rotated by the first hinge seat, and the reinforcement support rods on the left and right sides can form a triangular support effect with the support tube, so as to further support the overall reinforcement device and improve the reinforcement support stability of the device. After moving to a suitable position, the reinforcement plate can be rotated by the second hinge seat to form a parallel state with the pipe segment, and then the nails can be nailed into the reinforcement plate and fixed in the pipe segment, so as to fix and limit the reinforcement support rod.

[0019] The specific implementation of the utility model is further described in detail below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In the attached picture:

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the top plan structure of the utility model;

[0023] Figure 3 This is a schematic diagram of the separation structure of the reinforcement mechanism of the utility model;

[0024] Figure 4 This is a schematic diagram of the support mechanism structure of the utility model.

[0025] In the figure: 1, tunnel; 2, pipe segment; 31, reinforcement mechanism; 311, fixed frame; 312, dual-axis motor; 313, screw rod; 314, threaded block; 315, connecting support rod; 316, first support plate; 317, second support plate; 318, support cylinder; 319, limiting slide groove; 32, support mechanism; 321, first hinge seat; 322, reinforcement support rod; 323, second hinge seat; 324, reinforcement plate; 325, pin; 326, movable slide groove. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model.

[0027] like Figures 1 to 4 As shown, a shield tunnel reinforcement device includes a tunnel 1, a pipe segment 2 fixedly arranged inside the tunnel 1, a reinforcement mechanism 31 is arranged inside the tunnel 1, a support mechanism 32 is arranged on one side of the reinforcement mechanism 31, and the reinforcement mechanism 31 includes a fixed frame 311, a dual-axis motor 312 is fixedly connected to the inner wall of the fixed frame 311, a screw rod 313 is fixedly connected to the output end of the dual-axis motor 312, a threaded block 314 is threadedly connected to the outer wall of the screw rod 313, a connecting support rod 315 is fixedly connected to the top of the threaded block 314, a first support plate 316 is fixedly connected to the end of the connecting support rod 315 away from the threaded block 314, and a second support plate 317 is fixedly connected to the end of the first support plate 316 away from the connecting support rod 315, and a support cylinder 318 is fixedly connected to the top of the fixed frame 311, the support cylinder 318 is sleeved on the outer wall of the screw rod 313, a limiting sliding groove 319 is provided on the outer wall of the support cylinder 318, and the outer wall of the threaded block 314 is slidably connected to the inner wall of the limiting sliding groove 319.

[0028] Furthermore, there are two first support plates 316 and two second support plates 317, which are distributed on the upper and lower sides of the tunnel 1 in a vertically symmetrical structure. In this way, the upper and lower sides of the tunnel 1 can be reinforced and supported simultaneously, thereby improving the reinforcement and support effect of the interior of the tunnel 1.

[0029] Furthermore, the inner wall of the limiting slide groove 319 fits snugly with the outer wall of the threaded block 314, and the end of the screw rod 313 away from the dual-axis motor 312 is rotatably connected to a circular plate through a bearing, and the outer wall of the connecting support rod 315 is movably passed through the bottom end of the circular plate. The connecting support rod 315 is movably passed through the circular plate, and the two connecting support rods 315 can be limited by the circular plate, thereby further improving the supporting stability of the connecting support rod 315.

[0030] Furthermore, the first support plate 316 is set in an arc shape and is attached to the bottom end of the second support plate 317. The second support plate 317 is set in an arc shape, and the top end of the second support plate 317 is attached to the pipe segment 2, so that it can fit with the pipe segment 2 to the greatest extent, thereby further improving the reinforcement and support effect of the interior of the tunnel 1.

[0031] The supporting mechanism 32 includes a first hinge seat 321 fixedly connected to the outer wall of the fixed frame 311, a reinforcing support rod 322 is rotatably connected to the first hinge seat 321, the reinforcing support rod 322 is rotatably connected to the second hinge seat 323 at one end away from the first hinge seat 321, a reinforcing plate 324 is rotatably connected to the second hinge seat 323, a through hole is provided at the top of the reinforcing plate 324, a pin 325 is movably provided on the inner wall of the through hole, the pin 325 is fixedly provided on the outer wall of the pipe segment 2, a movable slot 326 is provided at the top of the first supporting plate 316, the outer wall of the reinforcing support rod 322 is movably provided on the inner wall of the movable slot 326.

[0032] Furthermore, there are two reinforcement support rods 322, which are distributed on the left and right sides of the fixed frame 311 in a left-right symmetrical structure, so that the left and right sides of the fixed frame 311 can be supported simultaneously, thereby forming a triangular stable shape, which can further improve the supporting and stabilizing effect of the reinforcement device.

[0033] Furthermore, the outer wall of the reinforced support rod 322 fits snugly with the inner wall of the movable slide groove 326 , so that the outer wall of the reinforced support rod 322 can be limited by the movable slide groove 326 , thereby improving the supporting and stabilizing effect of the reinforced support rod 322 .

[0034] The implementation principle of a shield tunnel reinforcement device of this embodiment is as follows: first, the reinforcement device is moved to the inside of the tunnel 1, and then the dual-axis motor 312 can be started, so that the output ends on the upper and lower sides can drive the screw rod 313 to rotate, and when the screw rod 313 rotates, it can drive the threaded block 314 to move up and down, and when the threaded block 314 moves upward, it can drive the connecting support rod 315 to move upward, and when the connecting support rod 315 moves upward, it can drive the first support plate 316 and the second support plate 317 to move upward until the second support plate 317 moves to fit with the pipe segment 2 and forms an extrusion support effect on the pipe segment 2, so that the tunnel 1 can be further reinforced on the basis of the reinforcement of the pipe segment 2, and it can also adapt to the reinforcement of tunnels 1 of different specifications and sizes, thereby improving the applicability of the reinforcement device, and there is no need to manufacture tunnels 1 of different sizes and specifications separately, thereby reducing costs.

[0035] After the reinforcement device is moved to the interior of the tunnel 1, the reinforcement support rod 322 is moved. At this time, the reinforcement support rod 322 can be rotated by the first hinge seat 321. The reinforcement support rods 322 on the left and right sides can form a triangular support effect with the support tube 318, so as to further support the overall reinforcement device and improve the reinforcement support stability of the device. When it is moved to a suitable position, the reinforcement plate 324 can be rotated by the second hinge seat 323 to form a parallel state with the pipe segment 2, and then the nail 325 can be nailed into the reinforcement plate 324 and fixed in the pipe segment 2, so as to fix and limit the reinforcement support rod 322.

Claims

1. A shield tunnel reinforcement device, comprising a tunnel (1); The pipe segment (2) is fixedly arranged inside the tunnel (1), characterized in that: A reinforcement mechanism (31) is provided inside the tunnel (1), a support mechanism (32) is provided on one side of the reinforcement mechanism (31), and the reinforcement mechanism (31) comprises a fixing frame (311): The inner wall of the fixed frame (311) is fixedly connected to a dual-axis motor (312); the output end of the dual-axis motor (312) is fixedly connected to a lead screw (313); the outer wall of the lead screw (313) is threadedly connected to a threaded block (314); the top of the threaded block (314) is fixedly connected to a connecting support rod (315); the end of the connecting support rod (315) away from the threaded block (314) is fixedly connected to a first support plate (316); the end of the first support plate (316) away from the connecting support rod (315) is fixedly connected to a second support plate (317); the top of the fixed frame (311) is fixedly connected to a supporting tube (318); the supporting tube (318) is sleeved on the outer wall of the lead screw (313); the outer wall of the supporting tube (318) is provided with a limiting sliding groove (319); the outer wall of the threaded block (314) is slidably connected to the inner wall of the limiting sliding groove (319).

2. A shield tunnel reinforcement device according to claim 1, characterized in that: The support mechanism (32) comprises a first hinge seat (321) fixedly connected to the outer wall of the fixed frame (311); a reinforcing support rod (322) is rotatably connected to the first hinge seat (321); an end of the reinforcing support rod (322) away from the first hinge seat (321) is rotatably connected to a second hinge seat (323); a reinforcing plate (324) is rotatably connected to the second hinge seat (323); a through hole is formed at the top end of the reinforcing plate (324); a pin (325) is movably provided on the inner wall of the through hole; the pin (325) is fixedly provided on the outer wall of the pipe segment (2); a movable sliding groove (326) is formed at the top end of the first support plate (316); and the outer wall of the reinforcing support rod (322) is movably provided on the inner wall of the movable sliding groove (326).

3. A shield tunnel reinforcement device according to claim 1, characterized in that: The number of the first support plates (316) and the number of the second support plates (317) are both two, and the first support plates (316) and the second support plates (317) are distributed on the upper and lower sides of the tunnel (1) in a vertically symmetrical structure.

4. A shield tunnel reinforcement device according to claim 1, characterized in that: The inner wall of the limiting slide groove (319) fits snugly with the outer wall of the threaded block (314); one end of the screw rod (313) away from the dual-axis motor (312) is rotatably connected to a circular plate via a bearing; the outer wall of the connecting support rod (315) movably penetrates the bottom end of the circular plate.

5. A shield tunnel reinforcement device according to claim 1, characterized in that: The first support plate (316) is arranged in an arc shape and is fitted on the bottom end of the second support plate (317); the second support plate (317) is arranged in an arc shape, and the top end of the second support plate (317) is fitted on the pipe segment (2).

6. A shield tunnel reinforcement device according to claim 2, characterized in that: The number of the reinforcement support rods (322) is two, and the reinforcement support rods (322) are distributed on the left and right sides of the fixing frame (311) in a bilaterally symmetrical structure.

7. A shield tunnel reinforcement device according to claim 2, characterized in that: The outer wall of the reinforcing support rod (322) fits snugly with the inner wall of the movable slide groove (326).

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