A convenient shield tunnel segment defect repair device

Abstract

This utility model provides a convenient shield tunnel segment defect repair device, relating to the field of tunnel engineering construction and maintenance technology, comprising: a base; a bracket installed on the base, a sliding support mounted on the bracket, a first hydraulic rod installed on the base, two bearing seats installed on the base, and a rotating seat mounted on the two bearing seats that can rotate around the center of the bearing seats; this utility model achieves flexible flipping of the flipping plate by combining a flipping plate, a toothed plate, and a second hydraulic rod, switching the first and second supports to complete the repair of the inner and outer sides of the shield tunnel segments; a third hydraulic rod cooperates with the lifting frame, and a fourth hydraulic rod cooperates with the movable plate to achieve precise adjustment of vertical and forward / backward displacement; a running motor drives the repair agent nozzle to automatically reciprocate spraying; the first hydraulic rod, in conjunction with the rotating seat and contact wheel adjustment device, adjusts the overall height, improving the accuracy and convenience of the repair operation, increasing repair efficiency and spray uniformity, ensuring repair quality, and enhancing construction flexibility and adaptability.

Description

Technical Field

[0001] This utility model relates to the field of tunnel engineering construction and maintenance technology, and in particular to a convenient shield tunnel segment defect repair device. Background Technology

[0002] With the accelerating pace of urbanization and the deepening development and utilization of underground space, modern tunnel engineering is playing an increasingly crucial role in areas such as transportation network construction, water conservancy facility construction, and urban integrated utility tunnel laying. Among numerous tunnel construction technologies, the shield tunneling method, with its significant advantages of high mechanization, minimal impact on the surrounding environment, strong construction safety, and adaptability to various complex geological conditions, has become the preferred construction method for major infrastructure projects such as urban subways and cross-river / sea tunnels. As a crucial component of shield tunnels, the quality of shield tunnel segments directly affects the structural stability and service life of the tunnel. However, during the construction and use of shield tunnel segments, due to factors such as complex geological conditions, construction process errors, and long-term stress, segments are prone to defects such as cracks, damage, and leakage. Therefore, a convenient shield tunnel segment defect repair device is designed.

[0003] In existing tunnel segment defect repair technologies, traditional repair equipment is difficult to adjust the angle of the repaired parts flexibly and often adopts a fixed posture operation mode. When it is necessary to repair the outside or inside of the tunnel segment, operators often need to use complex auxiliary support equipment or rebuild the working platform to adjust the angle of the repair equipment. This not only consumes a lot of time and manpower, but also poses a high safety risk, resulting in low repair efficiency. Utility Model Content

[0004] This disclosure relates to a convenient shield tunnel segment defect repair device to solve the technical problems mentioned in the background art.

[0005] In a first aspect, this disclosure provides a convenient shield tunnel segment defect repair device, specifically comprising: a base; four feet threaded to the lower end of the base; a bracket mounted on the base; a sliding bracket mounted on the bracket; a hydraulic rod mounted on the base; two bearing seats mounted on the base; a rotating seat mounted on the two bearing seats; two contact wheels mounted on the rotating seat; the upper ends of the two contact wheels contacting the bottom surface of the bracket; the piston rod of the hydraulic rod being connected to the rotating seat via a pin; two seat plates mounted on the upper end of the bracket; a flip-up plate mounted between the two seat plates; a first support and a second support fixed to the upper and lower ends of the flip-up plate, respectively; the first support and the second support facing the same direction.

[0006] In at least some embodiments, a gear is fixed to the left end of the rotating shaft of the flip plate, and a slide seat is fixed to the base plate near the left end of the flip plate. A slidable toothed plate is installed on the slide seat, and the toothed plate meshes with the gear on the rotating shaft of the flip plate.

[0007] In at least some embodiments, a cylinder seat is mounted on the slide block, a second hydraulic rod is mounted on the cylinder seat, a connecting plate is fixed on the piston rod of the second hydraulic rod, and the connecting plate is connected to the rear end of the toothed plate.

[0008] In at least some embodiments, a support is fixed on the bracket, a third hydraulic rod is mounted on the support, and a landing gear slides on the bracket, with the lower end of the piston rod of the third hydraulic rod fixedly connected to the upper end of the landing gear.

[0009] In at least some embodiments, the lower end of the landing gear is equipped with a movable plate that can slide back and forth, and the lower end of the landing gear is equipped with two mounting seats, each of which is equipped with a No. 4 hydraulic rod, the front end of the piston rod of each of the two No. 4 hydraulic rods being fixedly connected to the rear end of the movable plate.

[0010] In at least some embodiments, a fixed plate is fixed to the lower end of the movable plate, a motor base is mounted on the fixed plate, a motor is mounted on the motor base, a pulley is mounted on the output shaft of the motor, and a mating wheel is mounted on the fixed plate via a bearing, and a transmission belt connects the mating wheel and the pulley on the output shaft of the motor.

[0011] In at least some embodiments, a movable seat that can slide left and right is slidably mounted on the fixed plate, and a repair agent nozzle is installed on the movable seat. The repair agent nozzle is connected to an external repair agent supply device, and the upper end of the movable seat is locked to the transmission belt by bolts.

[0012] This utility model provides a convenient device for repairing defects in tunnel segments, which has the following advantages:

[0013] In this invention, the combined design of the flipping plate, toothed plate, and second hydraulic rod allows the flipping plate to rotate flexibly, causing the first and second supports on it to change angles. When it is necessary to repair the outer side of the tunnel segment, the first support can be flipped to a suitable angle to support the repair equipment for operation. For defects on the inner side of the segment, the flipping plate can be flipped to switch to the second support, which supports the tunnel segment for repair. This allows for the rapid completion of repair work on different parts of the inner and outer sides, greatly improving the accuracy and convenience of the repair operation.

[0014] Furthermore, in this invention, the cooperation between the No. 3 hydraulic rod and the landing gear, and the No. 4 hydraulic rod and the movable plate, respectively achieves precise vertical and forward / backward displacement adjustment, allowing the repair agent nozzle to be accurately delivered to the area to be repaired. The transmission system, consisting of a motor, pulley, mating wheel, and transmission belt, drives the moving seat to move the repair agent nozzle left and right, realizing automated reciprocating motion of the repair agent spraying. Compared with manual operation, this significantly improves repair efficiency and spray uniformity, reduces human error, and ensures the stability of repair quality. The No. 1 hydraulic rod, in conjunction with the rotating seat and contact wheel, can conveniently control the up and down sliding of the bracket, and quickly adjust the overall height of the device according to actual needs, adapting to shield tunnel segment repair operations of different heights, effectively improving the flexibility and adaptability of construction. Attached Figure Description

[0015] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings of the embodiments will be briefly described below.

[0016] The accompanying drawings described below are only related to some embodiments of the present invention and are not intended to limit the scope of the present invention.

[0017] In the attached diagram:

[0018] Figure 1 A schematic diagram of the overall structure of this application is shown.

[0019] Figure 2 A structural schematic diagram of the support portion of this application is shown.

[0020] Figure 3 This application shows Figure 2 A magnified structural diagram of part A in the middle.

[0021] Figure 4 This application shows Figure 2 A magnified structural diagram of part B.

[0022] Figure 5 A structural schematic diagram of the fixing plate portion of this application is shown.

[0023] Figure 6 A structural schematic diagram of the base plate portion of this application is shown.

[0024] Figure 7 This application shows Figure 6 A magnified structural diagram of section C.

[0025] List of reference numerals

[0026] 1. Base; 11. Foot; 12. Hydraulic rod No. 1; 13. Bearing seat; 131. Rotating seat; 132. Contact wheel; 2. Bracket; 21. Bracket; 23. Support; 231. Hydraulic rod No. 3; 24. Landing gear; 241. Movable plate; 242. Mounting seat; 2421. Hydraulic rod No. 4; 25. Fixed plate; 251. Motor seat; 2511. Electric motor; 252. Matching wheel; 253. Transmission belt; 254. Moving seat; 2541. Repair agent nozzle; 3. Seat plate; 31. Flipping plate; 32. Slide seat; 321. Toothed plate; 322. Connecting plate; 323. Cylinder seat; 324. Hydraulic rod No. 2; 33. First support; 34. Second support. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the described embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0028] Please refer to Figures 1 to 7 Example 1:

[0029] This utility model proposes a convenient shield tunnel segment defect repair device, comprising: a base 1; four feet 11 threadedly connected to the lower end of the base 1; a bracket 2 installed on the base 1; a sliding bracket 21 installed on the bracket 2; a hydraulic rod 12 installed on the base 1; two bearing seats 13 installed on the base 1; a rotating seat 131 rotatable around the center of the bearing seat 13 installed on the two bearing seats 13; two contact wheels 132 installed on the rotating seat 131; the upper ends of the two contact wheels 132 are in contact with the bottom surface of the bracket 21; the piston rod of the hydraulic rod 12 is connected to the rotating seat 131 by a pin; two seat plates 3 are installed on the upper end of the bracket 21; a flip-up plate 31 is installed between the two seat plates 3; a first support 33 and a second support 34 are fixed to the upper and lower ends of the flip-up plate 31, respectively; the first support 33 and the second support 34 face the same direction.

[0030] In this embodiment, a gear is fixed to the left end of the rotating shaft of the flip plate 31. A slide seat 32 is fixed on the seat plate 3 near the left end of the flip plate 31. A slidable toothed plate 321 is installed on the slide seat 32. The toothed plate 321 meshes with the gear on the rotating shaft of the flip plate 31. A cylinder seat 323 is installed on the slide seat 32. A second hydraulic rod 324 is installed on the cylinder seat 323. A connecting plate 322 is fixed to the piston rod of the second hydraulic rod 324. The connecting plate 322 and the rear end of the toothed plate 321 are connected. The connection has the following function: the second hydraulic rod 324 serves as a power source. After startup, the piston rod extends and retracts, driving the connected plate 322 to move. The connected plate 322 is connected to the rear end of the toothed plate 321, transmitting the power of the second hydraulic rod 324 to the toothed plate 321, causing the toothed plate 321 to slide on the slide seat 32. The toothed plate 321 meshes with the gear fixed at the left end of the rotating shaft of the flipping plate 31. The linear sliding of the toothed plate 321 is converted into the rotation of the gear, thereby driving the flipping plate 31 to rotate around the rotating shaft.

[0031] In this embodiment, a support 23 is fixed on the bracket 2, a third hydraulic rod 231 is installed on the support 23, and a landing gear 24 slides on the bracket 2. The lower end of the piston rod of the third hydraulic rod 231 is fixedly connected to the upper end of the landing gear 24. Its function is that the extension and retraction movement of the piston rod of the third hydraulic rod 231 can directly drive the landing gear 24 to slide up and down along the bracket 2. By controlling the extension and retraction length of the piston rod of the third hydraulic rod 231, the height of the landing gear 24 can be precisely adjusted.

[0032] In Example 2, based on Example 1, a movable plate 241 that can slide back and forth is installed at the lower end of the landing gear 24, and two mounting seats 242 are installed at the lower end of the landing gear 24. The front ends of the piston rods of the two mounting seats 242 are fixedly connected to the rear ends of the movable plate 241. The function is that the extension and retraction of the piston rods of the four hydraulic rods 2421 can directly drive the movable plate 241 to move back and forth. By controlling the extension and retraction of the piston rods of the four hydraulic rods 2421, the front and rear positions of the movable plate 241 can be precisely adjusted.

[0033] In Embodiment 3, based on Embodiments 1 and 2, a fixed plate 25 is fixed to the lower end of the movable plate 241. A motor base 251 is mounted on the fixed plate 25, and a motor 2511 is mounted on the motor base 251. A pulley is mounted on the output shaft of the motor 2511, and a mating wheel 252 is mounted on the fixed plate 25 via bearings. A transmission belt 253 connects the mating wheel 252 and the pulley on the output shaft of the motor 2511. A movable seat 25 that can slide left and right is slidably mounted on the fixed plate 25. 4. A repair agent nozzle 2541 is installed on the movable seat 254. The repair agent nozzle 2541 is connected to an external repair agent supply device. The upper end of the movable seat 254 is locked to the transmission belt 253 by bolts. Its function is: after the motor 2511 starts, its output shaft drives the pulley to rotate, and drives the mating wheel 252 to rotate synchronously through the transmission belt 253. This causes the movable seat 254 fixed on the transmission belt 253 to drive the repair agent nozzle 2541 to slide back and forth, thereby realizing the automated spraying of the repair agent.

[0034] The working principle of this embodiment is as follows: By adjusting the four feet 11 at the lower end of the base 1, the device is kept horizontally and stably placed on the construction site. If the overall height of the device needs to be adjusted, the first hydraulic rod 12 is activated. Its piston rod extends and retracts, pushing the rotating seat 131 to rotate around the center of the bearing seat 13. The contact wheel 132 on the rotating seat 131 contacts the bottom surface of the bracket 21, causing the bracket 21 to slide up and down on the support 2, thereby adapting to the shield tunnel segment repair operation at different heights. When it is necessary to repair defects at different angles or on the inner and outer sides of the shield tunnel segment, the second hydraulic rod 324 is activated. The piston rod of the second hydraulic rod 324 extends and retracts, driving the connecting plate 322 to move, which in turn pushes the toothed plate 321 to slide on the sliding seat 32. Since the toothed plate 321 meshes with the gear at the left end of the rotating shaft of the flipping plate 31, the linear motion of the toothed plate 321 is converted into the rotation of the gear, realizing the flipping plate 31 to flip around the rotating shaft, driving the first support 33 and the second support 34 to switch to the appropriate position. The angle is adjusted to allow for repair operations on different parts of the tunnel segment. Hydraulic rod 231 is activated, causing its piston rod to extend and retract, directly driving the landing gear 24 to slide up and down along the support 2, precisely adjusting the height of the landing gear 24 and thus changing the vertical position of subsequent components mounted on it. Hydraulic rod 2421 is activated, causing its piston rod to extend and retract, driving the movable plate 241 to slide back and forth at the lower end of the landing gear 24. Motor 2511 is activated, its output shaft driving the pulley to rotate, which in turn drives the mating wheel 252 to rotate synchronously via the transmission belt 253. Since the upper end of the movable seat 254 is bolted to the transmission belt 253, the transmission belt 253 drives the movable seat 254 to slide back and forth, allowing the repair agent nozzle 2541 mounted on the movable seat 254 to be aligned with the tunnel segment defect, enabling automated and uniform repair agent spraying on the defective area of ​​the shield tunnel segment.

[0035] The following points should be noted in this article:

[0036] 1. The accompanying drawings of the embodiments disclosed herein only relate to the structures involved in the embodiments disclosed herein; other structures can be referred to in general design.

[0037] 2. Where there is no conflict, the embodiments of this disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.

[0038] The above are merely specific embodiments of this disclosure, but the scope of protection of this disclosure is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this disclosure should be included within the scope of protection of this disclosure.

Claims

1. A convenient shield tunnel segment defect repair device, comprising: The base (1) is characterized in that four feet (11) are threaded onto the lower end of the base (1), a bracket (2) is installed on the base (1), a sliding bracket (21) is installed on the bracket (2), a hydraulic rod (12) is installed on the base (1), two bearing seats (13) are installed on the base (1), a rotating seat (131) that can rotate around the center of the bearing seat (13) is installed on the two bearing seats (13), and two contact seats (131) are installed on the rotating seat (131). The upper ends of the two contact wheels (132) are in contact with the bottom surface of the bracket (21). The piston rod of the first hydraulic rod (12) is connected to the rotating seat (131) through a pin. Two seat plates (3) are installed on the upper end of the bracket (21). A flip plate (31) is installed between the two seat plates (3). The upper and lower ends of the flip plate (31) are respectively fixed with a first support (33) and a second support (34). The first support (33) and the second support (34) face the same direction.

2. The convenient shield tunnel segment defect repair device according to claim 1, characterized in that, A gear is fixed to the left end of the rotating shaft of the flip plate (31), and a sliding seat (32) is fixed on the seat plate (3) near the left end of the flip plate (31). A sliding toothed plate (321) is installed on the sliding seat (32), and the toothed plate (321) meshes with the gear on the rotating shaft of the flip plate (31).

3. A convenient shield tunnel segment defect repair device according to claim 2, characterized in that, A cylinder seat (323) is installed on the slide seat (32), and a second hydraulic rod (324) is installed on the cylinder seat (323). A connecting plate (322) is fixed on the piston rod of the second hydraulic rod (324), and the connecting plate (322) is connected to the rear end of the toothed plate (321).

4. The portable shield tunnel segment defect repair device according to claim 1, characterized in that, A support (23) is fixed on the bracket (2), a third hydraulic rod (231) is installed on the support (23), and a landing gear (24) slides on the bracket (2). The lower end of the piston rod of the third hydraulic rod (231) is fixedly connected to the upper end of the landing gear (24).

5. A convenient shield tunnel segment defect repair device according to claim 4, characterized in that, The lower end of the landing gear (24) is equipped with a movable plate (241) that can slide back and forth, and the lower end of the landing gear (24) is equipped with two mounting seats (242). Each of the two mounting seats (242) is equipped with a No. 4 hydraulic rod (2421), and the front end of the piston rod of the two No. 4 hydraulic rods (2421) is fixedly connected to the rear end of the movable plate (241).

6. A convenient shield tunnel segment defect repair device according to claim 5, characterized in that, A fixed plate (25) is fixed to the lower end of the movable plate (241). A motor base (251) is mounted on the fixed plate (25). A motor (2511) is mounted on the motor base (251). A pulley is mounted on the output shaft of the motor (2511). A mating wheel (252) is mounted on the fixed plate (25) through a bearing. A transmission belt (253) connects the mating wheel (252) and the pulley on the output shaft of the motor (2511).

7. A convenient shield tunnel segment defect repair device according to claim 6, characterized in that, The fixed plate (25) has a movable seat (254) that can slide left and right. The movable seat (254) is equipped with a repair agent nozzle (2541). The repair agent nozzle (2541) is connected to an external repair agent supply device. The upper end of the movable seat (254) is locked to the transmission belt (253) by bolts.

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