A shield machine auxiliary operating device

Abstract

The utility model discloses a kind of shield machine auxiliary operating devices, including the intermediate shaft installed in tunnel, two front fixed hydraulic cylinder groups and two rear fixed hydraulic cylinder groups are respectively installed on the two ends of the intermediate shaft, two front fixed hydraulic cylinder groups are connected by a telescopic cylinder, two rear fixed hydraulic cylinder groups are connected by another telescopic cylinder, gear is equipped on the rotary frame and engages with the gear ring on gear ring seat, the gear is drivingly connected with motor installed on rotary frame, the outside of rotary frame is connected with piece taking frame by hydraulic cylinder, clamping structure for clamping segment is equipped on piece taking frame;The utility model is through setting two front fixed hydraulic cylinder groups and two rear fixed hydraulic cylinder groups, the movement of entire device is facilitated, by setting the laying ladder with special structure and piece taking frame, it is convenient for operator to lay and fasten segment in different position.

Description

Technical Field

[0001] This utility model relates to the technical field of tunnel boring machine internal structure, and in particular to an auxiliary operation device for tunnel boring machines. Background Technology

[0002] A tunnel boring machine (TBM), or shield tunneling machine for short, is a specialized engineering machine for tunnel excavation. Modern TBMs integrate optics, mechanics, electronics, hydraulics, sensing, and information technology, possessing functions such as excavation and cutting of soil, transporting excavated material, assembling tunnel lining, and measurement and guidance correction. They involve multiple disciplines including geology, civil engineering, mechanics, hydraulics, electrical engineering, control, and surveying, and require customized design and manufacturing based on different geological conditions, demanding extremely high reliability. TBMs are widely used in subway, railway, highway, municipal, and hydropower tunnel projects. When laying tunnel segments, the TBM requires a rotating segment laying device. Due to the large diameter of the tunnel, the segments need to be transported to different positions around the circumference of the tunnel and then manually secured. After laying a certain distance, the laying device needs to be moved as a whole. The entire process is very cumbersome and complex, and the operation of the device is also very complicated, resulting in very slow laying efficiency. To address these problems, this invention provides a solution. Summary of the Invention

[0003] The purpose of this invention is to provide an auxiliary operating device for a tunnel boring machine.

[0004] The above-mentioned technical objective of this utility model is achieved through the following technical solution:

[0005] A shield tunneling machine auxiliary operating device includes an intermediate shaft installed in the tunnel. Two front fixed hydraulic cylinder assemblies and two rear fixed hydraulic cylinder assemblies are respectively installed at the front and rear ends of the intermediate shaft. The two front fixed hydraulic cylinder assemblies are connected by a telescopic cylinder, and the two rear fixed hydraulic cylinder assemblies are connected by another telescopic cylinder. Each front and rear fixed hydraulic cylinder assembly comprises multiple hydraulic cylinders evenly distributed around the circumference of the intermediate shaft. A fixing block is fixedly connected to the outer end of the piston rod of each hydraulic cylinder. The hydraulic cylinders of the front fixed hydraulic cylinder assembly extend so that their end fixing blocks abut against the inner wall of the tunnel. The hydraulic cylinder of the rear fixed hydraulic cylinder group extends so that its end fixing block abuts against the inner wall of the tube segment and is fixed. A laying ladder and a gear ring seat are also installed on the intermediate shaft between the front fixed hydraulic cylinder group and the rear fixed hydraulic cylinder group. The laying ladder is fixedly connected to the intermediate shaft through a connecting rod. A rotating frame is installed on the intermediate shaft between the laying ladder and the gear ring seat through a bearing. The rotating frame is provided with a gear that meshes with the gear ring on the gear ring seat. The gear is connected to a motor installed on the rotating frame. A segment picking frame is connected to the outside of the rotating frame through a hydraulic cylinder. The segment picking frame is provided with a clamping structure for clamping the tube segment.

[0006] Furthermore, the telescopic cylinder has a piston chamber inside, a dividing limit block is provided in the middle of the piston chamber, a valve port is installed on the side wall of the dividing limit block, and a piston is installed at each end of the piston chamber. The two pistons are fixedly connected to the two ends of the connection position of the intermediate shaft, respectively.

[0007] Furthermore, both the front fixed hydraulic cylinder group and the rear fixed hydraulic cylinder group consist of four hydraulic cylinders, with the two lower hydraulic cylinders forming a 45-degree angle with the horizontal line.

[0008] Furthermore, the fixing block has an arc-shaped structure, and anti-slip protrusions are provided on the surface of the fixing block that contacts the tunnel sidewall.

[0009] Furthermore, the laying ladder is arched in shape, and handrails are provided on both sides of the laying ladder.

[0010] In summary, this utility model has the following beneficial effects: by setting two front fixed hydraulic cylinder groups and two rear fixed hydraulic cylinder groups, the entire device can be moved easily. By setting a laying ladder and a strip picking frame with a special structure, it is convenient for operators to lay and fasten the pipe segments at different positions. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the internal structure of this utility model;

[0012] Figure 2 yes Figure 1 A magnified view of a portion of the image;

[0013] Figure 3 This is a side view of the fixed hydraulic cylinder assembly;

[0014] Figure 4 This is a side view of the ladder being laid out;

[0015] In the diagram, 1. Tunnel; 2. Intermediate shaft; 3. Front fixed hydraulic cylinder assembly; 4. Fixing block; 5. Telescopic cylinder; 6. Laying ladder; 7. Gear ring seat; 8. Gear ring; 9. Rotating frame; 10. Gear; 11. Segment picker; 12. Motor; 13. Segment; 14. Rear fixed hydraulic cylinder assembly; 15. Piston chamber; 16. Piston; 17. Connecting rod. Detailed Implementation

[0016] The present invention will be further described in detail below with reference to the accompanying drawings. The technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present invention.

[0017] like Figure 1-4As shown, an auxiliary operating device for a tunnel boring machine includes an intermediate shaft 2 installed in a tunnel 1. Two front fixed hydraulic cylinder assemblies 3 and two rear fixed hydraulic cylinder assemblies 14 are respectively installed at the front and rear ends of the intermediate shaft 2. The two front fixed hydraulic cylinder assemblies 3 are connected by a telescopic cylinder 5, and the two rear fixed hydraulic cylinder assemblies 14 are connected by another telescopic cylinder 5. Each front fixed hydraulic cylinder assembly 3 and rear fixed hydraulic cylinder assembly 14 comprises multiple hydraulic cylinders evenly distributed around the circumference of the intermediate shaft 2. A fixing block 4 is fixedly connected to the outer end of the piston rod of each hydraulic cylinder. The hydraulic cylinders of the front fixed hydraulic cylinder assemblies 3 extend so that their end fixing blocks 4 abut against and are fixed to the inner wall of the tunnel 1. The hydraulic cylinders of the rear fixed hydraulic cylinder assemblies 14 extend so that their end fixing blocks 4 abut against and are fixed to the inner wall of the tunnel segment 13. A laying ladder 6 and a gear ring seat 7 are also installed on the intermediate shaft 2 between the front fixed hydraulic cylinder group 3 and the rear fixed hydraulic cylinder group 14. The laying ladder 6 is fixedly connected to the intermediate shaft 2 through a connecting rod 17. A rotating frame 9 is installed on the intermediate shaft 2 between the laying ladder 6 and the gear ring seat 7 through a bearing. The rotating frame 9 is provided with a gear 10 that meshes with the gear ring 8 on the gear ring seat 7. The gear 10 is connected to a motor 12 installed on the rotating frame 9. A piece-retrieving frame 11 is connected to the outside of the rotating frame 9 through a hydraulic cylinder. The piece-retrieving frame 11 is provided with a clamping structure for clamping the tube segment 13. The clamping structure can be a rotatable screw. The tube segment 13 is provided with corresponding threaded holes in advance and is connected by the threaded structure. At the same time, the tube segment 13 also has other holes for connecting with the tunnel wall.

[0018] Furthermore, the telescopic cylinder 5 is provided with a piston chamber 15, and a dividing limit block is provided in the middle of the piston chamber 15. A valve port is installed on the side wall of the dividing limit block. A piston 16 is installed at each end of the piston chamber 15. The two pistons 16 are fixedly connected to the two ends of the connection position of the intermediate shaft 2 respectively. By injecting hydraulic oil into the valve port of the piston chamber 15, the position of the two fixed hydraulic cylinder groups 3 is changed, thereby realizing the movement.

[0019] Furthermore, such as Figure 3 As shown, both the front fixed hydraulic cylinder group 3 and the rear fixed hydraulic cylinder group 14 consist of four hydraulic cylinders, with the two lower hydraulic cylinders forming a 45-degree angle with the horizontal line.

[0020] Furthermore, the fixing block 4 is an arc-shaped block structure, and anti-slip protrusions are provided on the surface of the fixing block 4 that contacts the side wall of the tunnel 1.

[0021] Furthermore, such as Figure 4 As shown, the laying ladder 6 is arched in shape and has handrails on both sides. With the above-mentioned structural design, the laying ladder 6 makes it convenient for operators to lay and fix the pipe segments 13 that have been transported to different positions in the tunnel 1.

[0022] Working principle: After the segment picker 11 picks up the segment 13, when the motor 12 rotates, the gear 10 and the gear ring 8 mesh, causing the rotating frame 9 to rotate and send the segment 13 to the position to be laid. The operator reaches the corresponding position through the laying ladder 6, and then lays and fixes the segment 13 to the inner wall of the tunnel 1. When the equipment needs to be moved as a whole, the inner front fixing hydraulic cylinder group 3 and the rear fixing hydraulic cylinder group 14 are first retracted. By adjusting the extension and retraction of the telescopic cylinder 5, the laying ladder 6 and the segment picker 11 on the intermediate shaft 2 are moved forward by one distance. Then the inner front fixing hydraulic cylinder group 3 and the rear fixing hydraulic cylinder group 14 are extended and contacted and fixed to the inner wall of the tunnel 1 or the segment 13. Then the outer front fixing hydraulic cylinder group 3 and the rear fixing hydraulic cylinder group 14 are controlled to retract. Then, by adjusting the telescopic cylinder 5, the outer front fixing hydraulic cylinder group 3 and the rear fixing hydraulic cylinder group 14 are moved forward and fixed. The overall forward movement of the device is completed, and then the subsequent laying of the segment 13 is carried out.

[0023] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.

Claims

1. A shield machine auxiliary operating device, characterized by: The system includes an intermediate shaft (2) installed in the tunnel (1). Two front fixed hydraulic cylinder groups (3) and two rear fixed hydraulic cylinder groups (14) are installed at the front and rear ends of the intermediate shaft (2), respectively. The two front fixed hydraulic cylinder groups (3) are connected by a telescopic cylinder (5), and the two rear fixed hydraulic cylinder groups (14) are connected by another telescopic cylinder (5). Both the front fixed hydraulic cylinder group (3) and the rear fixed hydraulic cylinder group (14) consist of multiple hydraulic cylinders evenly distributed on the circumference of the intermediate shaft (2). A fixing block (4) is fixedly connected to the outer end of the piston rod of each hydraulic cylinder. The hydraulic cylinder of the front fixed hydraulic cylinder group (3) extends so that its end fixing block (4) abuts against the inner wall of the tunnel (1) and is fixed. The hydraulic cylinder of the rear fixed hydraulic cylinder group (14) extends so that its end is fixed. Block (4) is fixed against the inner wall of the tube segment (13). A laying ladder (6) and a gear ring seat (7) are also installed on the intermediate shaft (2) between the front fixed hydraulic cylinder group (3) and the rear fixed hydraulic cylinder group (14). The laying ladder (6) is fixedly connected to the intermediate shaft (2) through the connecting rod (17). A rotating frame (9) is installed on the intermediate shaft (2) between the laying ladder (6) and the gear ring seat (7) through the bearing. A gear (10) is provided on the rotating frame (9) and meshes with the gear ring (8) on the gear ring seat (7). The gear (10) is connected to the motor (12) installed on the rotating frame (9) through the transmission. A piece-retrieving frame (11) is connected to the outside of the rotating frame (9) through the hydraulic cylinder. A clamping structure for clamping the tube segment (13) is provided on the piece-retrieving frame (11).

2. The shield machine auxiliary operating device according to claim 1, characterized in that: The telescopic cylinder (5) has a piston chamber (15) inside. A dividing limit block is provided in the middle of the piston chamber (15). A valve port is installed on the side wall of the dividing limit block. A piston (16) is installed at each end of the piston chamber (15). The two pistons (16) are fixedly connected to the two ends of the connection position of the intermediate shaft (2).

3. The shield tunneling machine auxiliary operation device according to claim 2, characterized in that: The front fixed hydraulic cylinder group (3) and the rear fixed hydraulic cylinder group (14) are both composed of four hydraulic cylinders, with the two lower hydraulic cylinders forming a 45-degree angle with the horizontal line.

4. The shield machine auxiliary operating device according to claim 3, characterized in that: The fixing block (4) is an arc-shaped block structure, and anti-slip protrusions are provided on the surface of the fixing block (4) that contacts the side wall of the tunnel (1).

5. The shield machine auxiliary operating device according to claim 4, characterized in that: The laying ladder (6) is arched in shape, and handrails are provided on both sides of the laying ladder (6).

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