Shield machine subsequent equipment segment alignment device

Abstract

To provide a device for aligning subsequent equipment segments of a shield machine during tunnel construction using the shield machine. [Solution] An adjustable lifting mechanism 2 is provided on the outer wall of the device body 1, a fixed block 3 is provided inside the device body, a connecting plate 4 is fixedly connected to the bottom of the fixed block, a slide rail is opened inside the connecting plate, a clamping assembly is provided at the bottom of the connecting plate, and a buffer assembly is provided inside the clamping assembly, which includes a movable block 5, a clamping block, and a rubber pad, and the outer wall of the movable block is slidably connected inside the slide rail. The output end of the motor rotates the rotating rod, which drives the movable block along the slide rail via the two connecting rods, further achieving stable clamping of different segment grooves, and the buffer assembly is used to effectively reduce the instantaneous clamping force on the segment grooves.

Description

[Technical Field]

[0001] The present invention relates to the technical field of segment alignment, and more particularly to a segment alignment device for a shield machine's subsequent equipment. [Background technology]

[0002] During tunnel construction using a shield machine, accurate segment alignment is a key link in ensuring the stability and construction quality of the tunnel structure. Conventional segment installation relies primarily on manual adjustment or simple mechanical positioning, which is inefficient and makes it difficult to ensure high accuracy. As tunnel construction projects become larger and geological conditions become more complex, there is a growing demand for automated segment assembly and high accuracy. Therefore, there is a need for an alignment device that can appropriately handle segments of various specifications, has a stable clamping function, and can avoid segment damage, thereby improving construction efficiency and reducing the risk of segment damage.

[0003] Currently, some shield machine downstream segment alignment devices use fixed clamping mechanisms, typically using hydraulic or cylinder-driven clamping claws to grip the segments. The clamping mechanisms are primarily rigid, controlling the clamping force through mechanical constraints or sensors, and lacking adaptive adjustment capabilities. Some devices use a single motor-driven synchronous link mechanism, but lack a buffer design, making it prone to shock loads during clamping. Furthermore, the clamping blocks of conventional clamping devices are often fixed in place, requiring bolt removal and mechanical structure adjustment for replacement, making operation cumbersome and difficult to accommodate the demand for rapid switching to different segment specifications.

[0004] The main problem with conventional clamping devices is their lack of versatility and safety. Because they use a rigid clamping structure and lack an effective buffer mechanism, when clamping segments of different specifications, the instantaneous clamping force is too large, easily damaging the segment grooves and affecting the structural integrity of the segments. At the same time, conventional devices have difficulty adapting flexibly to different sized segments, necessitating frequent adjustment or replacement of clamps during construction, resulting in reduced construction efficiency. This problem severely limits the automation level of shield construction and the quality of segment installation. To address this issue, a safer and more versatile alignment device is needed. To achieve this, a follow-up equipment segment alignment device is provided to solve the above problem. Summary of the Invention [Problem to be solved by the invention]

[0005] To address the above shortcomings, the present invention aims to provide a downstream equipment segment alignment device for a shield machine, thereby alleviating the problems that the existing clamping structures in the prior art are difficult to adapt to different segments and that the clamping force is too large, making it easy for the segment grooves to be damaged. [Means for solving the problem]

[0006] To achieve the above object, the present invention adopts the following technical solution: A shield machine subsequent equipment segment positioning device, comprising an apparatus body, an adjustment lifting mechanism provided on the outer wall of the apparatus body, a fixed block provided inside the apparatus body, a connecting plate fixedly connected to the bottom of the fixed block, a slide rail provided inside the connecting plate, a clamping assembly provided at the bottom of the connecting plate, and a buffer assembly provided inside the clamping assembly; The clamping assembly includes a movable block, a clamping block, and a rubber pad, the outer wall of the movable block being slidably connected to the inside of the slide rail, the clamping block being disposed inside the movable block, the outer wall of the rubber pad being slidably connected to the inside of the clamping block, a rotating rod being rotatably connected to the inside of the connecting plate, a motor being fixedly connected to the inside of the fixed block, an output end of the motor being fixedly connected to one end of the rotating rod, a rotating block being fixedly connected to the outer wall of the rotating rod, two connecting rods being rotatably connected to the rotating block, the outer wall of the connecting rod being rotatably connected to the outer wall of the clip block, and a connecting assembly being disposed inside the clip block.

[0007] To further explain the above technical solution, the buffer assembly includes a limiting plate and a first spring, an outer wall of the limiting plate is slidably connected to the inside of the clip block, and one side of the limiting plate is fixedly connected to the side wall of the rubber pad.

[0008] To further explain the above technical solution, one end of the first spring is fixedly connected to the side wall of the limiting plate, and the other end of the first spring is fixedly connected to the inside of the clip block.

[0009] As a further explanation of the above technical solution, the coupling assembly includes a coupling groove opened inside the movable block, and the clip block and the coupling groove are fitted together.

[0010] To further explain the above technical solution, a locking block is slidably connected inside the clip block, a regulating groove is opened inside the movable block, and the locking block and the regulating groove are engaged with each other.

[0011] To further explain the above technical solution, a sliding plate is fixedly connected to the side wall of the locking block, and the outer wall of the sliding plate is slidably connected to the inside of the clip block.

[0012] As a further explanation of the above technical solution, a second spring is provided on the side wall of the sliding plate, one end of the second spring is fixedly connected to the side wall of the sliding plate, and the other end of the second spring is fixedly connected to the inside of the clip block. [Effects of the Invention]

[0013] The present invention has the following beneficial effects: 1. In this invention, the output end of the motor rotates the rotating rod, which in turn drives the two connecting rods to move the movable block along the slide rail, thereby achieving stable clamping of different segment grooves. The buffer assembly effectively reduces the instantaneous clamping force on the segment groove, preventing damage to the grooves caused by excessive clamping force. This achieves the effect of safely and stably clamping segment grooves of different specifications. This solves the problems that the conventional clamping structure is difficult to adapt to different segments and that the clamping force is too large, easily damaging the segment grooves. This improves the versatility, safety, and protection of the segments of the device.

[0014] 2. In this device, by pressing the locking block, the slide plate is driven to push the second spring into the inside of the clip block, and the locking block is released from the regulating groove. Then, the clip block is pulled outward for quick removal and replacement. This achieves the effect of easy removal and fast replacement of the clip block, solves the problems of the conventional device, which is complicated to remove and has low replacement efficiency, and improves the convenience of maintenance and operation efficiency of the device. [Brief explanation of the drawings]

[0015] [Figure 1] 1 is a perspective schematic view of a shield machine's subsequent equipment segment positioning device proposed in the present invention; [Figure 2] 1 is a structural schematic diagram of the fixed block of the shield machine's subsequent equipment segment alignment device proposed in this invention; [Figure 3]1 is a schematic diagram of the structure of the clamping block of the subsequent equipment segment alignment device of the shield machine proposed in this invention. [Figure 4] FIG. 4 is an enlarged view of a portion A in FIG. [Figure 5] 1 is a schematic diagram of the structure of the connecting groove of the subsequent equipment segment alignment device of the shield machine proposed in this invention. [Figure 6] 2 is a structural schematic diagram of the locking block of the shield machine's subsequent equipment segment positioning device proposed in the present invention; DETAILED DESCRIPTION OF THE INVENTION

[0016] Hereinafter, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and are not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present invention.

[0017] Referring to Figures 1 to 4, one embodiment of the present invention provides a device for aligning subsequent equipment segments for a shield machine. The device for aligning subsequent equipment segments for a shield machine includes a device body 1, which serves as a support structure for the entire device and provides mounting reference and loading functions. An adjustable lifting mechanism 2 is provided on the outer wall of the device body 1 for adjusting the height of the entire device to accommodate various installation situations. A fixed block 3 is provided inside the device body 1 to provide structural support as a mounting base for a motor 8. A connecting plate 4 is fixedly connected to the bottom of the fixed block 3 for connecting and supporting a clamping assembly. A slide rail 6 is provided inside the connecting plate 4 to provide an accurate guide and sliding path for the movable block 5. A clamping assembly is provided at the bottom of the connecting plate 4 for clamping and positioning the segments. A buffer assembly is provided inside the clamping assembly to absorb impact forces during clamping. The clamping assembly includes a movable block 5, a clamping block 11, and a rubber pad 12 for lateral adjustment of the clamping position. The outer wall of the movable block 5 is slidably connected to the inside of the slide rail 6. The clamping block 11 is a clamping member that directly contacts the segment and is installed inside the movable block 5. The outer wall of the rubber pad 12 is slidably connected to the inside of the clamping block 11 to protect the contact surface from friction and provide a buffering function. A rotating rod 7 is rotatably connected to the inside of the connecting plate 4 as a core member for power transmission. A motor 8 is fixedly connected to the inside of the fixed block 3 to provide a power source for the clamping operation. The output end of the motor 8 is fixedly connected to one end of the rotating rod 7 for power transmission. A rotating block 9 is fixedly connected to the outer wall of the rotating rod 7 to convert the rotational motion into planar motion. Two connecting rods 10 are rotatably connected to the rotating block 9 to achieve symmetrical motion transmission. The outer wall of the connecting rod 10 is rotatably connected to the outer wall of the clip block 11 to convert the motion into clamping motion. A connecting assembly is provided inside the clip block 11 to allow quick attachment and detachment of the clip block 11.The buffer assembly includes a limiting plate 13 and a first spring 14 to provide a guide and limit for the rubber pad 12, and the outer wall of the limiting plate 13 is slidably connected to the inside of the clip block 11. One end of the limiting plate 13 is fixedly connected to the side wall of the rubber pad 12 to realize force transmission. One end of the first spring 14 is fixedly connected to the side wall of the limiting plate 13, and the other end is fixedly connected to the inside of the clip block 11 to provide elastic buffer force.

[0018] 5 and 6, the coupling assembly includes a coupling groove 15 formed inside the movable block 5 to position the clamping block 11. The clip block 11 and the coupling groove 15 are fitted together to ensure installation accuracy. A locking block 17 is slidably connected inside the clip block 11 to achieve mechanical locking. A regulating groove 16 is formed inside the movable block 5 to engage with and fix the clamping block 17. The engagement of the locking block 17 with the regulating groove 16 provides a secure connection. A sliding plate 18 is fixedly connected to the side wall of the locking block 17 to achieve interlocking control of the clamping block 17. The outer wall of the sliding plate 18 is slidably connected inside the clip block 11 to ensure smooth movement. A second spring 19 is provided on the side wall of the sliding plate 18 to provide an engagement and holding force. One end of the second spring 19 is fixedly connected to the side wall of the sliding plate 18, and the other end of the second spring 19 is fixedly connected to the inside of the clip block 11, thereby ensuring stability of the engagement.

[0019] Operating principle: During segment clamping, the motor 8 powers the rotating rod 7, which then synchronously rotates the rotating block 9 fixed to the outer wall. The rotating block 9 converts the rotational motion into linear thrust via two hinged connecting rods 10, causing the movable block 5 to slide forward or backward along the slide rail 6 inside the connecting plate 4. The movable block 5 then synchronously moves the clamping block 11, adjusting its opening and closing width to fit the groove dimensions of different segments, ensuring stable clamping of various types of segments. When the clamping block 11 contacts the segment groove, the rubber pad 12 first adheres to the groove surface. The clamping force increases instantaneously, and the rubber pad 12 presses against the limiting plate 13, compressing the first spring 14. The elastic deformation of the spring absorbs the impact force, preventing extrusion damage to the groove due to rigid clamping and ensuring safety during the clamping process. During maintenance and replacement of the clamping block 11, the device enables quick attachment and detachment through the connecting assembly. When the clamping block 11 needs to be replaced, the clamping block 17 is pressed to move the sliding plate 18 into the clamping block 11. The sliding plate 18 compresses the second spring 19, disengaging the locking block 17 from the limiting groove 16 of the movable block 5. In this case, the clamping block 11 can be separated from the connecting groove 15 by directly pulling it outward. When installing a new clamping block 11, the clamping block 11 is simply fitted into the connecting groove 15; the restoring elastic force of the second spring 19 pushes back the sliding plate 18 and clamp 17, causing the locking block 17 to re-engage with the limiting groove 16, completing the fixation. This operation can be completed without the use of additional tools, improving the maintenance efficiency of the device. [Explanation of symbols]

[0020] 1 device body, 2 adjustment lifting mechanism, 3 fixed block, 4 connecting plate, 5 movable block, 6 slide rail, 7 rotating rod, 8 motor, 9 rotating block, 10 connecting rod, 11 clamping block, 12 rubber pad, 13 limiting plate, 14 first spring, 15 connecting groove, 16 regulating groove, 17 locking block, 18 sliding plate, 19 second spring.

Claims

1. A shield machine subsequent equipment segment positioning device comprising an apparatus body (1), An adjusting and lifting mechanism (2) is provided on the outer wall of the device body (1), a fixed block (3) is provided inside the device body (1), a connecting plate (4) is fixedly connected to the bottom of the fixed block (3), a slide rail (6) is opened inside the connecting plate (4), a clamping assembly is provided at the bottom of the connecting plate (4), and a buffer assembly is provided inside the clamping assembly; The clamping assembly includes a movable block (5), a clamping block (11), and a rubber pad (12), the outer wall of the movable block (5) is slidably connected to the inside of the slide rail (6), the clamping block (11) is provided inside the movable block (5), the outer wall of the rubber pad (12) is slidably connected to the inside of the clamping block (11), a rotating rod (7) is rotatably connected to the inside of the connecting plate (4), a motor (8) is fixedly connected to the inside of the fixed block (3), the output end of the motor (8) is fixedly connected to one end of the rotating rod (7), a rotating block (9) is fixedly connected to the outer wall of the rotating rod (7), two connecting rods (10) are rotatably connected to the rotating block (9), the outer wall of the connecting rod (10) is rotatably connected to the outer wall of the clip block (11), and a connecting assembly is provided inside the clip block (11). A shield machine subsequent equipment segment positioning device characterized by the above.

2. The buffer assembly includes a limiting plate (13) and a first spring (14), the outer wall of the limiting plate (13) is slidably connected to the inside of the clip block (11), and one side of the limiting plate (13) is fixedly connected to the side wall of the rubber pad (12).

2. The shield machine subsequent equipment segment positioning device according to claim 1.

3. One end of the first spring (14) is fixedly connected to the side wall of the limiting plate (13), and the other end of the first spring (14) is fixedly connected to the inside of the clip block (11).

3. The shield machine subsequent equipment segment positioning device according to claim 2.

4. The connecting assembly includes a connecting groove (15) opened inside the movable block (5), and the clip block (11) and the connecting groove (15) are fitted together.

2. The shield machine subsequent equipment segment positioning device according to claim 1.

5. A locking block (17) is slidably connected to the inside of the clip block (11), and a restricting groove (16) is formed inside the movable block (5), and the locking block (17) and the restricting groove (16) are engaged with each other.

5. The shield machine subsequent equipment segment positioning device according to claim 4.

6. A sliding plate (18) is fixedly connected to the side wall of the locking block (17), and the outer wall of the sliding plate (18) is slidably connected to the inside of the clip block (11). The apparatus for aligning a subsequent equipment segment of a shield machine according to claim 5.

7. A second spring (19) is provided on the side wall of the sliding plate (18), one end of the second spring (19) is fixedly connected to the side wall of the sliding plate (18), and the other end of the second spring (19) is fixedly connected to the inside of the clip block (11). The apparatus for aligning a subsequent equipment segment of a shield machine according to claim 6.

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