Tool for disassembling thrust oil cylinder cover in shield body

Abstract

The utility model relates to the technical field of shield construction, in particular to a tool for disassembling a propulsion oil cylinder cover in a shield body, which comprises a fixed turntable and a wrench, a connecting hole is formed in the surface of the fixed turntable in a penetrating manner, a connecting insertion block is fixedly connected to the outer surface of the fixed turntable, and a connecting rod is fixedly connected to the surface of the wrench. An extension rod is fixedly connected to the end, away from the wrench, of the connecting rod, the outer surface of the extension rod is sleeved with an operation rod, the outer surface of the operation rod is sleeved with an anti-skid sleeve, and a screw hole is formed in the surface of the operation rod. According to the utility model, the fixed turntable is connected with the oil cylinder cover through the connecting hole and the bolt, so that the oil cylinder cover is convenient to rotate and apply force under the action of the connecting rod and the operating rod under the inserting connection of the connecting inserting block and the wrench, the space occupation ratio is small, and the operation can be carried out in a narrow space; and the disassembly and assembly convenience is improved.

Description

Technical Field

[0001] This utility model relates to the field of tunnel boring machine (TBM) construction technology, specifically a tool for disassembling the cylinder cover of a propulsion cylinder inside a TBM. Background Technology

[0002] During tunnel boring machine (TBM) construction, hydraulic oil leaks can occur from time to time due to damage to the cylinder cover seal. The installation distance between each propulsion cylinder and the adjacent cylinders and shield shell is very small, and it is inconvenient to disassemble the cylinder cover by force. However, removing the entire cylinder from the shield body and then disassembling the cylinder cover to replace the seal is not only time-consuming and labor-intensive, but also poses a significant hoisting risk. Utility Model Content

[0003] The purpose of this utility model is to provide a tool for disassembling the cylinder cover of the propulsion cylinder inside the shield body, so as to solve the problem mentioned in the background art that disassembling the entire cylinder from the shield body and then disassembling the cylinder cover to replace the seal is not only time-consuming and laborious, but also poses a great risk of hoisting.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a tool for disassembling the cylinder head of a propulsion cylinder inside a shield, comprising a fixed turntable and a wrench. A connecting hole is provided through the surface of the fixed turntable. A connecting block is fixedly connected to the outer surface of the fixed turntable. A connecting rod is fixedly connected to the surface of the wrench. An extension rod is fixedly connected to the end of the connecting rod away from the wrench. An operating rod is sleeved on the outer surface of the extension rod. An anti-slip sleeve is sleeved on the outer surface of the operating rod. A screw hole is provided on the surface of the operating rod. A screw rod is connected through the surface of the screw hole. An insertion hole is provided on the surface of the extension rod. A slot is provided on the surface of the wrench. A stop plate is provided inside the slot.

[0005] Preferably, the connecting holes are symmetrically arranged in two sets on both sides of the surface of the fixed turntable, and the connecting blocks are evenly distributed on the outer surface of the fixed turntable.

[0006] Preferably, the connecting rod is slidably connected to the operating rod via an extension rod, and the screw passes through the surface of the screw hole via a thread.

[0007] Preferably, the anti-slip sleeve is made of rubber, and rubber balls are evenly distributed on the outer surface of the anti-slip sleeve.

[0008] Preferably, the insertion holes are evenly distributed on the surface of the extension rod, and the screw passes through the screw hole and the insertion hole for insertion.

[0009] Preferably, the wrench is inserted through a slot and a connecting block, and the abutment is symmetrically distributed in two sets on both sides of the inner wall of the slot.

[0010] Preferably, a spring is fixedly connected to the surface of the abutment, and the end of the spring away from the abutment is connected to the inner wall of the slot, and the abutment is elastically connected to the slot through the spring.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] 1. By connecting the fixed turntable and the cylinder head, the fixed turntable is connected to the cylinder head through the connecting hole and bolts. With the insertion of the connecting block and the wrench, the cylinder head can be rotated and force is applied through the action of the connecting rod and the operating rod. It occupies little space and can be operated in a small space, which improves its ease of disassembly and assembly.

[0013] 2. By connecting the connecting rod and the extension rod, and then connecting the extension rod and the operating rod, and through the connection of the screw and the screw hole, the length between the connecting rod and the operating rod can be adjusted, improving its operational performance and range. By connecting the slot and the backing plate, and through the contact between the backing plate and the connecting block, the stability of the connection between the wrench and the connecting block is improved, preventing them from easily falling off and affecting the overall rotation operation of the fixed turntable. Attached Figure Description

[0014] Figure 1 This is a frontal perspective three-dimensional schematic diagram of the structure of the fixed turntable of this utility model;

[0015] Figure 2 This is a frontal perspective three-dimensional schematic diagram of the structure of the wrench of this utility model;

[0016] Figure 3 This is a three-dimensional schematic diagram of the assembly structure of the fixed turntable and wrench of this utility model;

[0017] Figure 4 This is a three-dimensional exploded view of the structure of the wrench of this utility model;

[0018] Figure 5 This is a partial three-dimensional sectional view of the structure of the wrench of this utility model.

[0019] In the diagram: 1. Fixed turntable; 11. Connecting hole; 12. Connecting plug; 2. Wrench; 21. Connecting rod; 22. Operating lever; 23. Anti-slip sleeve; 24. Screw; 25. Screw hole; 26. Extension rod; 27. Insertion hole; 28. Slot; 29. ​​Support plate. Detailed Implementation

[0020] Please see Figure 1-5 One embodiment provided by this utility model:

[0021] A tool for disassembling the cylinder head of a propulsion cylinder inside a shield includes a fixed turntable 1 and a wrench 2. A connecting hole 11 is formed through the surface of the fixed turntable 1. A connecting block 12 is fixedly connected to the outer surface of the fixed turntable 1. A connecting rod 21 is fixedly connected to the surface of the wrench 2. An extension rod 26 is fixedly connected to the end of the connecting rod 21 away from the wrench 2. An operating rod 22 is sleeved on the outer surface of the extension rod 26. An anti-slip sleeve 23 is sleeved on the outer surface of the operating rod 22. A screw hole 25 is provided on the surface of the screw hole 25. A screw 24 is formed through the surface of the screw hole 25. An insertion hole 27 is formed on the surface of the extension rod 26. A slot 28 is formed on the surface of the wrench 2. A stop plate 29 is provided on the inner side of the slot 28. The connection between the fixed turntable 1 and the connecting hole 11 facilitates the use of bolts to connect the fixed turntable 1 and the cylinder head. The connection between the wrench 2 and the connecting rod 21, and the connection between the operating rod 22 and the connecting rod 21, facilitates the rotation of the fixed turntable 1.

[0022] Furthermore, the connecting holes 11 are symmetrically arranged in two sets on both sides of the surface of the fixed turntable 1, and the connecting blocks 12 are evenly distributed on the outer surface of the fixed turntable 1. Through the connection between the fixed turntable 1 and the connecting holes 11, the connection operation between the fixed turntable 1 and the cylinder head of the hydraulic cylinder is realized under the action of the connecting holes 11. With the connection between the connecting blocks 12 and the fixed turntable 1, it is convenient for the wrench 2 to control the rotation of the fixed turntable 1.

[0023] Furthermore, the connecting rod 21 is slidably connected to the operating rod 22 via the extension rod 26, and the screw 24 passes through the surface of the screw hole 25 via the thread. Through the connection of the connecting rod 21 and the extension rod 26, the distance between the operating rod 22 and the connecting rod 21 is changed under the sliding connection of the extension rod 26 and the operating rod 22, thereby changing the overall length of the connecting rod 21 and the operating rod 22, which facilitates the application of force when the fixed turntable 1 rotates.

[0024] Furthermore, the anti-slip sleeve 23 is made of rubber, and rubber balls are evenly distributed on the outer surface of the anti-slip sleeve 23. Through the connection between the anti-slip sleeve 23 and the operating rod 22, the anti-slip effect of the material of the anti-slip sleeve 23 and the rubber balls on its surface is achieved when the operating rod 22 is used.

[0025] Furthermore, the insertion holes 27 are evenly distributed on the surface of the extension rod 26, and the screw 24 passes through the screw hole 25 and the insertion hole 27 for insertion. Through the connection between the insertion hole 27 and the extension rod 26, the screw 24 and the insertion hole 27 provide support for the extension rod 26 at its position within the operating rod 22.

[0026] Furthermore, the wrench 2 is inserted into the connecting block 12 via the slot 28, and the abutment 29 is symmetrically distributed in two sets on both sides of the inner wall of the slot 28. Through the connection between the wrench 2 and the slot 28, the slot 28 facilitates the insertion and use between the wrench 2 and the connecting block 12.

[0027] Furthermore, a spring is fixedly connected to the surface of the abutment plate 29, and the end of the spring away from the abutment plate 29 is connected to the inner wall of the slot 28. The abutment plate 29 is elastically connected to the slot 28 through the spring. With the connection between the slot 28 and the abutment plate 29, the connection between the abutment plate 29 and the spring achieves the abutment support effect for the wrench 2 and the connecting plug 12 to be inserted, improving the tightness of the connection and preventing easy separation.

[0028] Working principle: When disassembling the cylinder head of the propulsion cylinder, the fixed turntable 1 is installed on the cylinder head through bolts and connecting holes 11. When rotating the cylinder head, the wrench 2 is used. With the connection of the connecting rod 21 and the operating rod 22, the wrench 2 is connected to the slot 28. Through the insertion of the wrench 2 and the connecting block 12, it is convenient to apply force to rotate the fixed turntable 1. With the rotation of the fixed turntable 1, the cylinder head is disassembled. With the connection of the screw 24 and the screw hole 25, when adjusting the working length of the operating rod 22 and the connecting rod 21, the screw 24 is rotated to separate the screw 24 from the insertion hole 27. At this time, the extension rod 26 slides in the operating rod 22. After adjusting to the corresponding position, the screw 24 is rotated in the opposite direction to insert the screw 24 into the insertion hole 27 at the corresponding position, thus fixing the connection position between the operating rod 22 and the extension rod 26, improving the application range and performance of the cylinder head disassembly tool.

Claims

1. A tool for dismounting a cylinder head of a push cylinder in a shield, comprising a stationary turntable and a wrench, characterized in that: The surface of the fixed rotating disc is provided with connecting holes, and the outer surface of the fixed rotating disc is fixedly connected with connecting blocks; the surface of the wrench is fixedly connected with a connecting rod, and the end of the connecting rod away from the wrench is fixedly connected with an extension rod; the outer surface of the extension rod is sleeved with an operating rod, and the outer surface of the operating rod is sleeved with an anti-skid sleeve; the surface of the operating rod is provided with a threaded hole, and the surface of the threaded hole is penetrated and connected with a screw rod; the surface of the extension rod is provided with an insertion hole, and the surface of the wrench is provided with an insertion slot, and the inner side of the insertion slot is provided with a resisting plate.

2. A tool for dismounting a cylinder head of a push oil cylinder in a shield according to claim 1, characterized in that: The connecting holes are symmetrically arranged on the two sides of the surface of the fixed rotating disc, and the connecting blocks are uniformly distributed on the outer surface of the fixed rotating disc.

3. The tool for disassembling the cylinder cover of the push oil cylinder in the shield body according to claim 1, characterized in that: The connecting rod is slidably connected with the extension rod and the operating rod, and the screw rod penetrates the surface of the threaded hole through the thread.

4. The tool for disassembling the cylinder cover of the push oil cylinder in the shield body according to claim 1, characterized in that: The anti-skid sleeve is made of rubber, and the outer surface of the anti-skid sleeve is uniformly distributed with rubber balls.

5. The tool for disassembling the cylinder cover of the push oil cylinder in the shield body according to claim 1, characterized in that: The insertion holes are uniformly arranged on the surface of the extension rod, and the screw rod penetrates and inserts the threaded hole and the insertion hole.

6. A tool for disassembling the cylinder head of a push oil cylinder in a shield body according to claim 1, characterized in that: The wrench is inserted with the insertion slot and the connecting block, and the resisting plate is symmetrically arranged on the inner wall of the insertion slot.

7. A tool for disassembling the cylinder head of a push oil cylinder in a shield body according to claim 1, characterized in that: The surface of the resisting plate is fixedly connected with a spring, and the end of the spring away from the resisting plate is connected with the inner wall of the insertion slot, and the resisting plate is elastically connected with the insertion slot through the spring.

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