Tunnel steel segment backplate assembling equipment

Abstract

The utility model discloses a tunnel steel pipe piece backboard assembling equipment belongs to shield pipe piece technical field, specifically includes assembling platform, and the both sides symmetry fixed connection of assembling platform have positioning mechanism, be provided with a plurality of pressure mechanism on the assembling platform, and every pressure mechanism all includes two support side plates, and two support side plates symmetry fixed connection in the other two sides of assembling platform, crossbeam, the crossbeam sets up the top of pipe piece body, and crossbeam is connected with support side plate slidingly, power equipment, and power equipment sets up between backboard body and crossbeam, the utility model discloses through the positioning mechanism and axial support side plate of symmetrical arrangement on assembling platform, constitute the quick, accurate positioning and constraint of pipe piece, do not need artificial repeated adjustment, and positioning accuracy and efficiency are improved greatly, and multiple pressure mechanism can synchronous action, make the force of power equipment output into pressure, ensure that backboard and pipe piece camber surface all -round close adhesion, lay the foundation for high -quality welding.

Description

Technical Field

[0001] This utility model belongs to the field of shield tunnel segment technology, specifically relating to tunnel steel segment backplate assembly equipment. Background Technology

[0002] During tunnel boring machine (TBM) construction, steel segments serve as the main load-bearing structure of the tunnel, and their installation quality directly determines the overall stability and service life of the tunnel. To enhance the structural strength, impermeability, and corrosion resistance of the steel segments, backplate components are typically assembled and fixed on the outer arc surface of the steel segments to form a composite protective structure.

[0003] The existing tunnel steel segment backplate assembly operation suffers from low segment positioning accuracy and poor fit, which makes radial or axial displacement easy to occur when manually adjusting the segment position. This requires repeated manual correction and reduces construction efficiency.

[0004] Therefore, there is a need to provide a tunnel steel segment backplate assembly equipment to solve the above-mentioned technical problems. Utility Model Content

[0005] To address the problems mentioned in the background section, this utility model provides a tunnel steel segment backplate assembly device, which features high positioning accuracy and good fit, achieving efficient and high-quality assembly of segments and backplates.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a tunnel steel pipe segment backplate assembly equipment, including an assembly platform, wherein positioning mechanisms are symmetrically fixedly connected to both sides of the assembly platform for radially limiting the pipe segment body; The assembly platform is provided with multiple clamping mechanisms, which are distributed circumferentially along the segment body. Each clamping mechanism includes two supporting side plates, which are symmetrically fixedly connected to the other two sides of the assembly platform for axial positioning of the segment body. A crossbeam is disposed above the segment body and is slidably connected to the supporting side plate; The power equipment is installed between the back plate body and the crossbeam, and is used to press the back plate body downward and fix it on the outer arc surface of the segment body.

[0007] Preferably, the positioning mechanism is a positioning block or positioning pin fixed on the assembly platform.

[0008] Preferably, the support side plate is provided with a movable groove for the crossbeam to pass through.

[0009] Preferably, the movable end of the power equipment is connected to the crossbeam via a connecting mechanism, and the fixed end of the power equipment is connected to the back plate body via a buffer mechanism.

[0010] Preferably, the connecting mechanism includes a sliding sleeve, which is slidably mounted on the crossbeam, and one end of the sliding sleeve is fixedly connected to the movable end of the power equipment.

[0011] Preferably, guide blocks are fixedly connected to both ends of the crossbeam.

[0012] Preferably, the buffer mechanism includes a fixed seat and a pressure seat. The fixed seat is fixedly connected to the fixed end of the power equipment, and a pressure seat extending to the outside of the fixed seat is slidably connected inside the fixed seat. The pressure seat and the fixed seat are connected by multiple elastic elements.

[0013] Preferably, the elastic element is a spring damper.

[0014] Preferably, a buffer pad is fixedly connected to the outer wall of the pressure seat.

[0015] Preferably, the power device is a jack.

[0016] Compared with the prior art, the beneficial effects of this utility model are: This invention utilizes a symmetrically arranged positioning mechanism and axial support side plate on the assembly platform to achieve rapid and precise positioning and constraint of the pipe segments. This eliminates the need for repeated manual adjustments, significantly improving positioning accuracy and efficiency. Furthermore, multiple clamping mechanisms can operate synchronously, converting the force output by the power equipment into clamping force. This ensures that the back plate and the curved surface of the pipe segment are tightly fitted in all directions, laying the foundation for high-quality welding. Attached Figure Description

[0017] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings: Figure 1 This is a three-dimensional structural diagram of Embodiment 1 of the present utility model; Figure 2 This is a schematic diagram of the main structure of Embodiment 1 of this utility model; Figure 3 This is a side view of Embodiment 1 of the present invention. Figure 4 This is a three-dimensional structural diagram of Embodiment 2 of the present invention; Figure 5 This is a schematic cross-sectional view of the buffer mechanism in Embodiment 2 of this utility model; In the diagram: 1. Assembly platform; 2. Positioning mechanism; 3. Support side plate; 4. Crossbeam; 5. Power equipment; 6. Movable groove; 7. Sliding sleeve; 8. Guide block; 9. Fixed seat; 10. Pressure seat; 11. Elastic element. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Example 1 Please see Figure 1-3 This embodiment provides the following technical solution: a tunnel steel pipe segment backplate assembly equipment, including an assembly platform 1, with positioning mechanisms 2 symmetrically fixedly connected on the left and right sides of the assembly platform 1, used to radially limit the pipe segment body, wherein the positioning mechanism 2 is a positioning block or positioning pin fixed on the assembly platform 1, and the pipe segment body can be initially limited by the positioning block or positioning pin.

[0020] The assembly platform 1 is equipped with multiple clamping mechanisms, which are distributed circumferentially along the segment body. Each clamping mechanism includes two support side plates 3, which are symmetrically fixedly connected to the front and rear sides of the assembly platform 1. They are used to axially limit the segment body. Through the two support side plates 3, the segment body that has been radially limited can be axially limited. The positioning mechanism 2 and the axial support side plates 3 symmetrically arranged on the assembly platform 1 form a fast and accurate positioning and constraint of the segment, eliminating the need for repeated manual adjustments and greatly improving positioning accuracy and efficiency.

[0021] In some embodiments, the clamping mechanism is inclinedly arranged on the assembly platform 1, and the axis of the crossbeam 4 is also in an inclined state with a specific angle to the horizontal plane of the assembly platform 1, so that the power device 5 installed between the crossbeam 4 and the back plate body applies force in a direction perpendicular to the arc surface of the segment body at its point of action.

[0022] A crossbeam 4 is positioned above the segment body and is slidably connected to the support side plate 3. The support side plate 3 is provided with a movable groove 6 for the crossbeam 4 to pass through. Through the movable groove 6, after the back plate body is placed on the segment body, the crossbeam 4 can be inserted between two corresponding crossbeams 4 and positioned above the back plate body.

[0023] Power device 5 is disposed between the back plate body and the crossbeam 4. It is used to press the back plate body downward and fix it on the outer arc surface of the segment body. In some embodiments, power device 5 is a jack. When in use, power device 5 is arranged upside down so that the piston end of power device 5 contacts the crossbeam 4 and the fixed end of power device 5 contacts the back plate body. During the process of the piston end of power device 5 extending outward, since the position of the crossbeam 4 is fixed, the fixed end of power device 5 applies a downward force to the back plate body under the reaction force, pressing the back plate body on the outer arc surface of the segment body.

[0024] Example 2 Please see Figure 4-5 To facilitate worker operation, the movable end of the power equipment 5 is connected to the crossbeam 4 via a connecting mechanism. The connecting mechanism includes a sliding sleeve 7, which is mounted on the crossbeam 4. One end of the sliding sleeve 7 is fixedly connected to the movable end of the power equipment 5. Through the sliding sleeve 7, when the back plate body is placed on the outer arc surface of the segment body, one end of the crossbeam 4 first passes through the movable groove 6 on one of the supporting side plates 3. Then, the sliding sleeve 7 with the power equipment 5 is fixed on the crossbeam 4, and the crossbeam 4 passes through the movable groove 6 on the other supporting side plate 3 to complete the fixation of the power equipment 5. This frees up the worker's hands and makes it easier for the power equipment 5 to press the back plate body onto the segment body.

[0025] In some embodiments, guide blocks 8 are fixedly connected to both ends of the crossbeam 4. The guide blocks 8 are tapered structures. By setting the tapered guide blocks 8, the crossbeam 4 can pass through the movable groove 6 on the support side plate 3 more easily.

[0026] The fixed end of the power device 5 is connected to the back plate body through a buffer mechanism. The buffer mechanism includes a fixed seat 9 and a pressure seat 10. The fixed seat 9 is fixedly connected to the fixed end of the power device 5. The pressure seat 10, which extends to the outside of the fixed seat 9, is slidably connected inside the fixed seat 9. The pressure seat 10 and the fixed seat 9 are connected by multiple elastic elements 11. Through the fixed seat 9, the pressure seat 10 and the elastic elements 11, a constant clamping force can be provided to the back plate body during the operation of the power device 5, which plays a buffering role for the power device 5 and the back plate body.

[0027] In some embodiments, the elastic element 11 is a spring damper.

[0028] A cushioning pad is fixedly connected to the outer wall of the pressure seat 10. In some embodiments, the cushioning pad is made of polyurethane material.

[0029] The working principle of this utility model is as follows: the segment body is hoisted onto the assembly platform 1 and the segment body is made to be close to the positioning mechanism 2 on the left and right sides to complete the radial limitation, and the segment body is naturally placed between the pair of inclined support side plates 3 on the front and rear sides to achieve axial limitation. Place the back plate body at the designed position on the outer arc surface of the segment, and then insert the crossbeam 4 into the movable groove 6 on the corresponding support side plate 3. As needed, the power device 5 is placed below the corresponding crossbeam 4, and the power device 5 is started, so that the piston end of the power device 5 extends outward. Due to the hard contact between the movable end of the power device 5 and the fixed crossbeam 4, the reaction force causes the fixed end of the power device 5 to apply a downward pressing force to the back plate body until the back plate body is tightly attached to the outer arc surface of the tube segment body.

[0030] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A tunnel steel segment backplate assembly equipment, characterized in that: It includes an assembly platform (1), wherein positioning mechanisms (2) are symmetrically fixedly connected on both sides of the assembly platform (1) for radially limiting the segment body; The assembly platform (1) is provided with multiple clamping mechanisms, which are distributed circumferentially along the segment body. Each clamping mechanism includes two supporting side plates (3), which are symmetrically fixedly connected to the other two sides of the assembly platform (1) for axial positioning of the segment body. A crossbeam (4) is disposed above the segment body and is slidably connected to the supporting side plate (3); The power device (5) is located between the back plate body and the crossbeam (4) and is used to press the back plate body downward and fix it on the outer arc surface of the tube segment body.

2. The tunnel steel segment backplate assembly equipment according to claim 1, characterized in that: The positioning mechanism (2) is a positioning block or positioning pin fixed on the assembly platform (1).

3. The tunnel steel segment backplate assembly equipment according to claim 1, characterized in that: The support side plate (3) is provided with a movable groove (6) through which the crossbeam (4) passes.

4. The tunnel steel segment backplate assembly equipment according to claim 1, characterized in that: The movable end of the power device (5) is connected to the crossbeam (4) through a connecting mechanism, and the fixed end of the power device (5) is connected to the back plate body through a buffer mechanism.

5. The tunnel steel segment backplate assembly equipment according to claim 4, characterized in that: The connecting mechanism includes a sliding sleeve (7), which is mounted on a crossbeam (4). One end of the sliding sleeve (7) is fixedly connected to the movable end of the power equipment (5).

6. The tunnel steel segment backplate assembly equipment according to claim 4, characterized in that: Guide blocks (8) are fixedly connected to both ends of the crossbeam (4).

7. The tunnel steel segment backplate assembly equipment according to claim 4, characterized in that: The buffer mechanism includes a fixed seat (9) and a pressure seat (10). The fixed seat (9) is fixedly connected to the fixed end of the power equipment (5). The pressure seat (10) extending to the outside of the fixed seat (9) is slidably connected inside the fixed seat (9). The pressure seat (10) and the fixed seat (9) are connected by a plurality of elastic elements (11).

8. The tunnel steel segment backplate assembly equipment according to claim 7, characterized in that: The elastic element (11) is a spring damper.

9. The tunnel steel segment backplate assembly equipment according to claim 7, characterized in that: A buffer pad is fixedly connected to the outer wall of the pressure seat (10).

10. The tunnel steel segment backplate assembly equipment according to claim 1, characterized in that: The power equipment (5) is a jack.

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