A shield tunnel mud pipe dismounting device

Abstract

The utility model relates to the shield technology field, concretely is a kind of shield tunnel slurry pipe dismounting device, including shield tunnel and mounting bracket, the surface of mounting bracket is connected with connecting rod and is connected, and mounting bracket is connected with the inner wall of shield tunnel by connecting rod, the inner wall of shield tunnel is provided with support frame, the surface of support frame is placed with slurry pipe, the surface of mounting bracket is fixedly connected with connecting frame. The utility model reaches the support effect of the action position of slide through the connection of support arm and connecting frame, through the connection of fixed block and connecting plate, under the sliding connection of connecting plate and moving groove, the control operation of fixed block on support arm is completed, improve its use range and effect, through the effect of positioning rod, realize the control effect of the length of support belt, under the action of support belt, further improve the stability of slurry pipe hoisting operation.

Description

Technical Field

[0001] This utility model relates to the field of shield tunneling technology, specifically to a shield tunnel mud pipe dismantling device. Background Technology

[0002] During slurry shield tunneling, the bottom of the slurry pipe is severely worn due to the abrasion caused by slurry and sand. Replacement is required at this time, but the operation is inconvenient due to the narrow internal space, which affects the disassembly and replacement. Utility Model Content

[0003] The purpose of this utility model is to provide a shield tunnel mud pipe dismantling device to solve the problem mentioned in the background art that the operation is inconvenient due to the small internal space, which affects the dismantling and replacement of the mud pipe.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a shield tunnel mud pipe dismantling device, comprising a shield tunnel and an installation frame. A connecting rod is connected through the surface of the installation frame, and the installation frame is abutted against the inner wall of the shield tunnel through the connecting rod. A support frame is provided on the inner wall of the shield tunnel. A mud pipe is placed on the surface of the support frame. A connecting frame is fixedly connected to the surface of the installation frame. A support arm is movably connected to the surface of the connecting frame. A stop rod is connected through the surface of the connecting frame. A moving groove is formed on the surface of the supporting arm. A connecting plate is slidably connected to the inner side of the moving groove. A screw is fixedly connected to one end of the connecting plate. A fixing block is fixedly connected to the other end of the connecting plate. A limit rod is fixedly connected to the surface of the fixing block. A support steel rope is fixedly connected to the outer surface of the fixing block. A slide is sleeved on the outer surface of the support steel rope. An electric hoist is provided on the outer surface of the slide. A hoisting steel rope is wound around the output shaft of the electric hoist. A control frame is fixedly connected to the surface of the hoisting steel rope. A first clamp and a second clamp are movably connected to both ends of the control frame.

[0005] Preferably, the support arm is rotatably connected by a connecting frame and a mounting frame, and the abutment rod passes through the connecting frame and abuts against the surface of the support arm.

[0006] Preferably, the fixing block is slidably connected to the support arm via a connecting plate and a moving groove. The connecting plate has a "T" shaped cross section. The screw passes through the surface of the support arm via the moving groove, and a nut is threaded onto the outer surface of the screw.

[0007] Preferably, the supporting steel ropes are fixed to the surface of the fixing block in three groups, and the bottom end of the supporting arm is provided with a sliding groove. The limiting rod is slidably connected to the supporting arm through the sliding groove.

[0008] Preferably, the slide has a rotating wheel inside, and the rotating wheel and the supporting steel rope are rotatably connected. The first clamping plate and the second clamping plate are symmetrically distributed at both ends of the control frame.

[0009] Preferably, an adjusting rod is connected through the surface of the first clamping plate, and a connecting groove is formed on the surface of the second clamping plate, with a threaded sleeve movably connected to the inner side of the connecting groove, and the adjusting rod and the threaded sleeve are threadedly connected.

[0010] Preferably, a support belt is fixedly connected to the surface of the first clamping plate, and a connecting block is fixedly connected to the outer surface of the second clamping plate. The support belt passes through the surface of the connecting block, and through holes are uniformly opened on the surface of the support belt. Screw holes are opened on the surface of the connecting block, and a positioning rod is connected to the surface of the connecting block through the screw holes. The positioning rod passes through the support belt and the connecting block through the through holes.

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

[0012] 1. By connecting the mounting frame and the connecting rod, the mounting frame is supported on the inner wall of the shield tunnel under the action of the connecting rod. By connecting the support arm and the connecting frame, the sliding position of the slide block is supported. By connecting the fixing block and the connecting plate, the position of the fixing block on the support arm is adjusted under the sliding connection of the connecting plate and the moving groove, thereby improving its application range and effect.

[0013] 2. By connecting the hoisting steel rope and the electric hoist, and connecting the control frame and the first clamping plate, and the control frame and the second clamping plate, and through the connection of the adjusting rod and the screw sleeve, the angle between the first clamping plate and the second clamping plate can be controlled, thereby improving the clamping stability of the mud pipe. With the through connection of the support belt and the connecting block, and through the action of the positioning rod, the length of the support belt can be controlled, and the stability of the mud pipe hoisting operation can be further improved under the action of the support belt. Attached Figure Description

[0014] Figure 1 This is a front view schematic diagram of the structure of this utility model;

[0015] Figure 2 This is a three-dimensional cross-sectional view of the structure of this utility model;

[0016] Figure 3 This is a partial three-dimensional exploded view of the connection structure between the shield tunnel and the mounting frame of this utility model;

[0017] Figure 4 This utility model Figure 3 Exploded three-dimensional diagram of the connection structure between the middle support arm and the fixing block;

[0018] Figure 5This utility model Figure 4 A three-dimensional structural diagram of the central control frame.

[0019] In the diagram: 1. Shield tunnel; 11. Support frame; 12. Mud pipe; 2. Mounting frame; 21. Support arm; 22. Connecting rod; 23. Connecting frame; 24. Support rod; 3. Fixing block; 31. Limiting rod; 32. Connecting plate; 33. Screw; 34. Moving groove; 4. Slide seat; 41. Electric hoist; 42. Lifting steel rope; 43. Control frame; 44. First clamping plate; 45. Second clamping plate; 46. Adjusting rod; 47. Screw sleeve; 5. Support steel rope; 6. Support belt; 61. Connecting block; 62. Positioning rod. Detailed Implementation

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

[0021] A mud pipe dismantling device for a shield tunnel includes a shield tunnel 1 and a mounting frame 2. A connecting rod 22 is connected through the surface of the mounting frame 2, and the mounting frame 2 is abutted against the inner wall of the shield tunnel 1 through the connecting rod 22. A support frame 11 is provided on the inner wall of the shield tunnel 1, and a mud pipe 12 is placed on the surface of the support frame 11. A connecting frame 23 is fixedly connected to the surface of the mounting frame 2, and a support arm 21 is movably connected to the surface of the connecting frame 23. A stop rod 24 is connected through the surface of the connecting frame 23. A moving groove 34 is formed on the surface of the support arm 21, and a connecting plate 32 is slidably connected to the inner side of the moving groove 34. A screw 33 is fixedly connected to one end of the connecting plate 32, and a fixing block 3 is fixedly connected to the other end of the connecting plate 32. A fixed block 3 is fixedly connected to the surface of the fixing block 3. The outer surface of the positioning rod 31 and the fixing block 3 is fixedly connected to a support steel rope 5. The outer surface of the support steel rope 5 is sleeved with a slide 4. The outer surface of the slide 4 is equipped with an electric hoist 41. The output shaft of the electric hoist 41 is wound with a hoisting steel rope 42. The surface of the hoisting steel rope 42 is fixedly connected to a control frame 43. The two ends of the control frame 43 are movably connected to a first clamping plate 44 and a second clamping plate 45. Through the connection between the shield tunnel 1 and the support frame 11, the support effect of the mud pipe 12 in the shield tunnel 1 is achieved under the action of the support frame 11. Through the connection between the installation frame 2 and the shield tunnel 1, under the action of the support arm 21 and the electric hoist 41, and through the action of the first clamping plate 44 and the second clamping plate 45, the replacement and hoisting operation of the mud pipe 12 is completed.

[0022] Furthermore, the support arm 21 is rotatably connected to the mounting frame 23 via the connecting frame 23. The abutment rod 24 penetrates the connecting frame 23 and abuts against the surface of the support arm 21. Through the connection between the mounting frame 2 and the connecting frame 23, the support arm 21 is supported on the mounting frame 2 by the rotatable connection between the support arm 21 and the connecting frame 23. Through the abutment rod 24 and the surface of the support arm 21, the support angle of the support arm 21 is controlled.

[0023] Furthermore, the fixing block 3 is slidably connected to the support arm 21 through the connecting plate 32 and the moving groove 34. The cross-section of the connecting plate 32 is "T" shaped. The screw 33 passes through the surface of the support arm 21 through the moving groove 34. The outer surface of the screw 33 is threaded with a nut. Through the connection between the fixing block 3 and the connecting plate 32, and the sliding connection between the connecting plate 32 and the moving groove 34, the screw 33 and the nut are connected to achieve the effect of adjusting the position of the fixing block 3 on the support arm 21.

[0024] Furthermore, the support steel rope 5 is fixed in three groups on the surface of the fixed block 3. The bottom end of the support arm 21 is provided with a sliding groove. The limiting rod 31 is slidably connected to the support arm 21 through the sliding groove. Through the connection between the fixed block 3 and the support steel rope 5, and the connection between the slide seat 4 and the support steel rope 5, the effect of adjusting the working position of the electric hoist 41 is realized. Under the connection between the fixed block 3 and the limiting rod 31, the sliding connection between the limiting rod 31 and the sliding groove achieves the effect of limiting the sliding angle of the fixed block 3 on the support arm 21.

[0025] Furthermore, the slide block 4 is equipped with a rotating wheel inside, and the rotating wheel and the supporting steel rope 5 are connected in abutting rotation. The first clamping plate 44 and the second clamping plate 45 are symmetrically distributed at both ends of the control frame 43. Through the abutting rotation connection between the rotating wheel inside the slide block 4 and the supporting steel rope 5, it is convenient to adjust the operating position of the electric hoist 41. Under the winding connection of the electric hoist 41 and the hoisting steel rope 42, the operating height of the control frame 43 can be controlled.

[0026] Furthermore, an adjusting rod 46 is connected through the surface of the first clamping plate 44, and a connecting groove is opened on the surface of the second clamping plate 45. A threaded sleeve 47 is movably connected to the inner side of the connecting groove. The adjusting rod 46 and the threaded sleeve 47 are threadedly connected. Through the connection of the control frame 43 and the first clamping plate 44, and the connection of the control frame 43 and the second clamping plate 45, the hoisting operation of disassembling and replacing the mud pipe 12 is realized.

[0027] Furthermore, a support belt 6 is fixedly connected to the surface of the first clamping plate 44, and a connecting block 61 is fixedly connected to the outer surface of the second clamping plate 45. The support belt 6 penetrates the surface of the connecting block 61. Through holes are evenly opened on the surface of the support belt 6, and screw holes are opened on the surface of the connecting block 61. A positioning rod 62 is connected to the surface of the connecting block 61 through the screw holes. The positioning rod 62 passes through the support belt 6 and the connecting block 61 through the through holes. With the connection between the first clamping plate 44 and the support belt 6, and through the connection between the support belt 6 and the connecting block 61, and the connection between the positioning rod 62 and the connecting block 61, the control operation of the working length of the support belt 6 is completed. Under the action of the support belt 6, the stability of the first clamping plate 44 and the second clamping plate 45 for disassembling and hoisting the mud pipe 12 is improved.

[0028] Working principle: When disassembling the mud pipe 12, firstly, a hole is drilled at a suitable location in the shield tunnel 1. Then, the mounting frame 2 is installed on the shield tunnel 1 through the connecting rod 22. With the connection between the connecting frame 23 and the support arm 21, and the connection between the support arm 21 and the moving groove 34, the nut on the screw 33 is rotated to adjust the position of the fixing block 3 on the support arm 21, changing the working position of the support steel rope 5 and the slide 4. Through the connection between the slide 4 and the electric hoist 41, the working position of the first clamp 44 and the second clamp 45 is changed. With the connection between the adjusting rod 46 and the screw sleeve 47, the hoisting operation of the mud pipe 12 is completed. With the through connection between the support belt 6 and the connecting block 61, and through the action of the positioning rod 62, the stability of the disassembly and hoisting of the mud pipe 12 is improved, and the disassembly operation of the mud pipe 12 is completed.

Claims

1. A device for dismantling mud pipes in a shield tunnel, comprising a shield tunnel and a mounting frame, characterized in that: The mounting frame has a connecting rod that runs through its surface. The mounting frame is abutted against the inner wall of the shield tunnel via the connecting rod. A support frame is provided on the inner wall of the shield tunnel. A mud pipe is placed on the surface of the support frame. A connecting frame is fixedly connected to the surface of the mounting frame. A support arm is movably connected to the surface of the connecting frame. A stop rod runs through the surface of the connecting frame. A moving groove is formed on the surface of the support arm. A connecting plate is slidably connected to the inner side of the moving groove. A screw is fixedly connected to one end of the connecting plate. A fixing block is fixedly connected to the other end of the connecting plate. A limit rod is fixedly connected to the surface of the fixing block. A support steel rope is fixedly connected to the outer surface of the fixing block. A slide is sleeved on the outer surface of the support steel rope. An electric hoist is provided on the outer surface of the slide. A hoisting steel rope is wound around the output shaft of the electric hoist. A control frame is fixedly connected to the surface of the hoisting steel rope. A first clamp and a second clamp are movably connected to both ends of the control frame.

2. The shield tunnel mud pipe dismantling device according to claim 1, characterized in that: The support arm is rotatably connected by a connecting frame and a mounting frame, and the abutment rod passes through the connecting frame and abuts against the surface of the support arm.

3. The shield tunnel mud pipe dismantling device according to claim 1, characterized in that: The fixed block is slidably connected to the support arm through a connecting plate and a moving groove. The connecting plate has a "T" shaped cross section. The screw passes through the surface of the support arm through the moving groove, and a nut is threaded onto the outer surface of the screw.

4. The shield tunnel mud pipe dismantling device according to claim 1, characterized in that: The supporting steel ropes are fixed in three groups on the surface of the fixed block. The bottom end of the supporting arm is provided with a sliding groove, and the limiting rod is slidably connected to the supporting arm through the sliding groove.

5. The shield tunnel mud pipe dismantling device according to claim 1, characterized in that: The slide block has a rotating wheel inside, and the rotating wheel and the supporting steel rope are connected to rotate in abutment. The first clamping plate and the second clamping plate are symmetrically distributed at both ends of the control frame.

6. The shield tunnel mud pipe dismantling device according to claim 1, characterized in that: An adjusting rod is connected through the surface of the first clamping plate, and a connecting groove is opened on the surface of the second clamping plate, and a threaded sleeve is movably connected to the inner side of the connecting groove. The adjusting rod and the threaded sleeve are threadedly connected.

7. The shield tunnel mud pipe dismantling device according to claim 1, characterized in that: A support belt is fixedly connected to the surface of the first clamping plate, and a connecting block is fixedly connected to the outer surface of the second clamping plate. The support belt passes through the surface of the connecting block, and through holes are evenly opened on the surface of the support belt. Screw holes are opened on the surface of the connecting block, and a positioning rod is connected to the surface of the connecting block through the screw holes. The positioning rod passes through the support belt and the connecting block through the through holes.

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