Shaft borer support shoe for soft and broken ground

Abstract

The utility model discloses a vertical shaft tunneling machine support shoe for soft and broken stratum. Including support shoe, the one side of support shoe is slidely arranged with support piece, the upper of support piece is provided with rotating mechanism, the rotating mechanism includes rotary disc and drill rod, the rotary disc is rotatably arranged in the one side of support piece, the one side of rotary disc is installed with drill rod, the one side of support piece is slidely arranged with extension piece, and the one end of extension piece is provided with middle opening. The support piece can be fitted on the rock wall to drill, the support piece can be fixed on the rock wall by the rotation of rotary disc, the sliding position can be penetrated by the camera when the support shoe slides, and the extension piece can be controlled to extend by the adjusting piece in the sliding process, the extension piece can be clamped on the rock wall to reinforce the support piece, the support shoe can not slide downward when the extension piece does not extend, and the effect of supporting the support shoe is achieved.

Description

Technical Field

[0001] This utility model relates to the field of shaft support technology. Specifically, it is a shaft support shoe for shaft boring machines used in soft and fractured strata. Background Technology

[0002] TBMs are widely recognized and used due to their rapid construction speed. The support shoe is a crucial component of the tunneling machine's support mechanism. During shaft construction, the support shoe holds the tunnel wall in place, providing sufficient propulsion force. In existing technologies, the support shoe moves radially relative to the fixed seat, contacting the shaft wall for fixation. However, due to the loosening of rock layers on the shaft wall in fractured formations, the support shoe can slip. Existing support shoes lack anti-slip mechanisms, cannot provide adequate anti-slip distance, and lack any mechanism to prevent slippage. Utility Model Content

[0003] Therefore, the technical problem to be solved by this utility model is to provide a support shoe for a shaft boring machine in soft and fractured strata. The support can be attached to the rock wall for drilling by setting the support member. As the rotating disk rotates, the support member can be fixed to the rock wall. When the support shoe slides, the sliding position can be seen through the camera.

[0004] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0005] The device includes a support shoe, a support member slidably mounted on one side of the support shoe, a rotating mechanism above the support member, the rotating mechanism including a rotating disk and a drill rod, the rotating disk being rotatably mounted on one side of the support member, the drill rod being mounted on one side of the rotating disk, an extension member slidably mounted on one side of the support member, one end of the extension member having a central opening, a guide strip integrally mounted on one side of the central opening, an adjusting member slidably mounted on one side of the support shoe, and a return spring being mounted between the adjusting member and the support shoe.

[0006] The technical solution of this utility model has achieved the following beneficial technical effects:

[0007] The set support can fit against the rock wall for drilling. As the rotating disk rotates, the support can be fixed to the rock wall. When the support shoe slides, the camera can see through the sliding position. During the sliding process, the extension can be controlled by the adjustment device to extend. When the extension is extended, it can be locked on the rock wall to reinforce the support. When the extension is not extended, the support shoe will not slide down, thus achieving the effect of supporting the support shoe. After the extension is extended, the extension block can also extend. When the extension block extends, it can contact the rock wall to reinforce the support shoe. Attached Figure Description

[0008] Figure 1Schematic diagram of the structure of the boot support of this utility model;

[0009] Figure 2 A cross-sectional schematic diagram of the support boot of this utility model;

[0010] Figure 3 This utility model Figure 2 Enlarged view of point A in the middle;

[0011] Figure 4 This utility model provides a schematic diagram of the top cut of the support boot.

[0012] The reference numerals in the diagram are as follows: 1. Support shoe; 2. Support component; 3. Rotary disk; 4. Drill rod; 5. Extension component; 6. Central opening; 7. Guide strip; 8. Adjusting component; 9. Return spring; 10. Extension block; 11. Internal spring; 12. Connecting block; 13. Control component; 14. Control spring; 15. Side groove; 16. Extension strip; 17. Anti-slip teeth; 18. Camera; 19. Scale line; 20. Rod No. 1; 21. Rod No. 2. Detailed Implementation

[0013] This implementation example is attached to the instruction manual. Figure 1 As shown, a first rod 20 and a second rod are provided on one side of the support shoe 1. Both the first rod 20 and the second rod are hydraulic push rods. The other ends of the first rod 20 and the second rod need to be hinged and installed on the tunneling machine. Since the tunneling machine is existing technology, it is not shown in this solution. The support shoe 1 is supported on the rock wall by the first rod 20 and the second rod to fix the tunneling machine. A support member 2 is slidably installed at one end of the support shoe 1. The support member 2 can be fixed to the rock wall. A rotating disk 3 is rotatably installed on the top of the support member 2. A motor is installed above the rotating disk 3. The motor drives the rotating disk 3 to rotate. The motor in this design is a servo motor with a self-locking function. A drill rod 4 is set on one side of the rotary disk 3. The drill rod 4 can rotate to drill holes. Therefore, the rotating device inside the rotary disk 3 is adapted to drive the drill rod 4 to rotate. As the support shoe 1 contacts the rock wall, the drill rod 4 is started, and the motor controls the rotary disk 3 to rotate slowly, so that the drill rod 4 moves in a circle with the rotary disk 3, cutting an arc-shaped pit on the rock wall. As the rotary disk 3 rotates, one side of the rotary disk 3 enters the arc-shaped pit, achieving the effect of fixing the support 2.

[0014] Since the support shoe 1 and the support member 2 in this solution can slide together, as the rock wall that the support shoe 1 is attached to breaks, the support shoe 1 will slide downwards, creating a sliding distance between it and the support member 2. In order to understand this sliding distance, this solution sets a scale line 19 on one side of the support member 2 and sets a camera 18 on the support shoe 1 with a corresponding starting point. In this way, as the support shoe 1 slides downwards, the distance that the support shoe 1 slides downwards can be recorded.

[0015] To prevent the support shoe 1 from sliding too far, an extension 5 is slidably installed on one side of the support frame. One end of the extension 5 has a central opening 6, and a guide strip 7 is installed at the central opening 6. The guide strip 7 is an oblique strip. An adjusting member 8 is slidably installed on one side of the support shoe 1. The support shoe 1 has an elliptical hole, and the adjusting member 8 slides through this elliptical hole. The cross-section of the adjusting member 8 is also elliptical, so the adjusting member 8 can only slide on the support shoe 1 and cannot rotate. The adjusting member 8 can contact the upper side of the guide strip 7. Because the guide strip 7 is oblique, the sliding distance of the adjusting member 8 to the right is limited (because a limit strip is provided on one side of the adjusting member 8, making the rightward movement very short, as shown in the attached instruction manual). Figure 2 As shown, as the support shoe 1 slides, the extension piece 5 is forced to extend under the action of the adjusting piece 8. When the extension piece 5 extends, it gets stuck on the rock, reinforcing the support piece 2. Under the action of the rock, the extension piece 5 cannot extend, which prevents the support shoe 1 from sliding downward, thus achieving the effect of fixing the support shoe 1.

[0016] As the protruding part 5 described above is inserted into the rock, to ensure that the support shoe 1 of this solution also has a certain degree of anti-slip properties, an anti-slip tooth 17 is provided on one side of the support shoe 1. Furthermore, to allow for adjustment of the anti-slip properties, since the extension of the protruding part 5 can drive the control part 13 to move, and the control part 13 is symmetrically arranged on both sides of the support shoe 1, one end of the protruding part 5 is hooked onto the extension strip 16 on one side of the control part 13. Therefore, the extension of the protruding part 5 outwards can drive the control part 13 to move towards the rock wall. A side groove 15 is provided on one side of the control part 13, and a connecting block 12 overlaps the surface of the side groove 15. 2 can drive the extension block 10 to extend outward together. Due to the unevenness of the rock wall surface, the contact position will change as the support shoe 1 slides. In order to adapt to the new rock wall, the connecting block 12 drives the extension block 10 to extend. The extension block 10 is shaped like a slope, which can play the role of inserting into the gap for support. That is, the extension of the extension piece 5 can drive the extension block 10 to extend and fix again. This solution is designed with multiple sets of extension pieces 5, which can be reset multiple times. An internal spring 11 is set between the extension block and the connecting block 12 to increase the fault tolerance. Even if the extension block 10 has been extended, it will not affect the movement of the connecting block 12.

[0017] The control component 13 is slidably mounted on one side of the support shoe 1 and is reset by the control spring 14. The reset of the support component 2 is achieved by gravity. As the support shoe 1 slides downward, the tunneling machine retracts the support shoe 1. At this time, the adjusting component 8 reaches below the extended component 5. Under the action of gravity, the support component 2 will slide on the support shoe 1, and the adjusting component 8 will contact the lower inclined surface of the guide bar 7. Under the action of the adjusting component 8, it will retract. In order for the adjusting component 8 to reach the lower surface of the guide bar 7, a reset spring 9 is provided on one side of the adjusting component 8. When the adjusting component 8 controls the extension of the component 5, it will squeeze the reset spring 9. When it reaches the bottom, it will naturally release the reset spring 9. The reset spring 9 will then move automatically toward the guide bar 7 under the action of the elastic force, reaching the inclined surface. This is the function of the reset spring 9.

[0018] A support member 2 is slidably mounted on one side of the support shoe 1. A rotating mechanism is mounted above the support member 2. The rotating mechanism includes a rotating disk 3 and a drill rod 4. The rotating disk 3 is rotatably mounted on one side of the support member 2. The drill rod 4 is mounted on one side of the rotating disk 3. An extension member 5 is slidably mounted on one side of the support member 2. One end of the extension member 5 has a central opening 6. A guide strip 7 is integrally mounted on one side of the central opening 6. An adjusting member 8 is slidably mounted on one side of the support shoe 1. A return spring 9 is provided between the adjusting member 8 and the support shoe 1. An extension mechanism is provided inside the support shoe 1. The extension mechanism includes an extension block 10, an internal spring 11, and a connecting block 12. The extension block 10 is slidably mounted on one side of the support shoe 1. A connecting block 12 is provided for side sliding, and an internal spring 11 is provided between the connecting block 12 and the extension block 10. A control component 13 is slidably provided in the middle of the support shoe 1. A side groove 15 is opened at one end of the control component 13, and the connecting block 12 overlaps on the surface of the side groove 15. A control spring 14 is provided between the control component 13 and the support shoe 1. An extension strip 16 is provided at one end of the control component 13, and an extension component 5 overlaps on the surface of the extension strip 16. A secondary tooth is provided on one side of the support component 2, and an anti-slip tooth 17 is provided on one side of the support shoe 1. A camera 18 is installed on one side of the support shoe 1. A scale line 19 is provided on one side of the support component 2. A first rod 20 is installed on one side of the support shoe 1, and a second rod 21 is installed below the support shoe 1.

[0019] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the scope of protection of the claims of this patent application.

Claims

1. A support shoe for a shaft boring machine in soft and fractured formations, characterized in that, The system includes a support shoe (1), a support member (2) is slidably disposed on one side of the support shoe (1), a rotating mechanism is disposed above the support member (2), the rotating mechanism includes a rotating disk (3) and a drill rod (4), the rotating disk (3) is rotatably disposed on one side of the support member (2), the drill rod (4) is installed on one side of the rotating disk (3), an extension member (5) is slidably disposed on one side of the support member (2), one end of the extension member (5) has a central opening (6), a guide strip (7) is integrally disposed on one side of the central opening (6), an adjusting member (8) is slidably disposed on one side of the support shoe (1), and a return spring (9) is disposed between the adjusting member (8) and the support shoe (1).

2. The shaft support shoe for a tunnel boring machine in soft and fractured strata according to claim 1, characterized in that, The support boot (1) is provided with an extension mechanism inside, which includes an extension block (10), an internal spring (11), and a connecting block (12).

3. A shaft support shoe for a tunnel boring machine in soft and fractured strata according to claim 2, characterized in that, The protruding block (10) is slidably disposed on one side of the support shoe (1), and a connecting block (12) is slidably disposed on one side of the protruding block (10). An internal spring (11) is disposed between the connecting block (12) and the protruding block (10).

4. A shaft support shoe for a tunnel boring machine in soft and fractured strata according to claim 2, characterized in that, A control component (13) is slidably provided in the middle of the support shoe (1), and a side groove (15) is provided at one end of the control component (13), and a connecting block (12) overlaps the surface of the side groove (15).

5. A shaft support shoe for a tunnel boring machine in soft and fractured strata according to claim 4, characterized in that, A control spring (14) is provided between the control element (13) and the support shoe (1).

6. A shaft support shoe for a tunnel boring machine in soft and fractured strata according to claim 4, characterized in that, One end of the control element (13) is provided with an extension strip (16), and the surface of the extension strip (16) is overlapped with a protruding member (5).

7. A shaft support shoe for a tunnel boring machine in soft and fractured strata according to claim 1, characterized in that, The support member (2) has a secondary tooth on one side.

8. A shaft support shoe for a tunnel boring machine in soft and fractured strata according to claim 1, characterized in that, The support boot (1) has anti-slip teeth (17) on one side.

9. A shaft support shoe for a tunnel boring machine in soft and fractured strata according to claim 1, characterized in that, A camera (18) is installed on one side of the support boot (1), and a scale line (19) is provided on one side of the support member (2).

10. A shaft support shoe for a tunnel boring machine in soft and fractured strata according to claim 1, characterized in that, A first rod (20) is installed on one side of the support boot (1), and a second rod (21) is installed below the support boot (1).

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