A shield segment ring connecting assembly

Abstract

The present application relates to the field of shield segment, and specifically discloses a shield segment ring connecting assembly, which comprises a butt joint block one arranged on a shield segment ring and a butt joint block two arranged on another shield segment ring, an end cover is arranged on the butt joint block two, a pre-buried assembly is arranged on the butt joint block one, a sealing assembly is arranged on the pre-buried assembly, and a clamping assembly is arranged at the output end of the pre-buried assembly.The present application can realize quick clamping of the opening and closing assembly and the clamping assembly, thereby realizing the effect of quick connection of the two shield segment rings.On the basis of clamping, when the shield segment ring continues to advance, the telescopic clamping assembly realizes quick locking of the device, thereby realizing the effect of quick locking of the two shield segment rings, without too many complicated operations, reducing construction difficulty, saving time, not affecting the tunneling construction of the shield machine, being beneficial to quick installation of the shield segment ring, improving the splicing efficiency of the shield segment ring and improving the overall construction efficiency.

Description

Technical Field

[0001] This invention relates to the field of tunnel segment technology, and in particular to a tunnel segment ring connection assembly. Background Technology

[0002] Tunnel boring machine (TBM) segments are prefabricated components used to construct tunnel linings in shield tunneling construction. In modern underground engineering construction, TBMs are widely used to excavate tunnels, especially in large-scale infrastructure construction such as urban subways, railways, and highways. A TBM segment ring is composed of multiple prefabricated TBM segments, forming a ring structure around the circumference of the tunnel. Each TBM segment ring is a basic building block of the tunnel lining and is crucial for ensuring the stability, waterproofing, and durability of the tunnel. Therefore, connecting devices are required between adjacent TBM segment rings.

[0003] Existing patent CN211287702U discloses a circumferential push-insertion connection and fastening assembly for shield tunnel segments, including a circular sleeve composed of several arc-shaped segments. Adjacent arc-shaped segments are connected by a connecting assembly. Each connecting assembly includes a aligning connecting protrusion and a connecting concave head. The connecting protrusion includes a protrusion base and a T-shaped protrusion; the connecting concave head includes a concave head base and a T-shaped groove block. The protrusion base and concave head base are respectively pre-embedded in the end face of the corresponding arc-shaped segment; the T-shaped groove block has a T-shaped groove inside that matches the T-shaped protrusion. This utility model replaces the original one-piece molding or screw connection with an insert-type connection method, allowing the pre-embedded sleeve to be modularly produced for each segment and easily installed. When replacing, only the specific segment needs to be replaced, significantly reducing installation difficulty and maintenance costs, and improving the economic efficiency of the project.

[0004] While the above structure achieves the connection of tunnel segments, it is difficult to achieve rapid connection and fast locking between the tunnel segment rings. Since the installation of the tunnel segment rings is closely linked to the tunneling of the tunnel boring machine (TBM), the TBM can only continue advancing after the rings are installed. Aligning the rings and tightening the screws and nuts increases construction difficulty, wastes a significant amount of time, and can easily affect the TBM's tunneling progress, even delaying the construction schedule. This hinders the rapid installation of the tunnel segment rings, reduces the splicing efficiency, and consequently lowers the overall construction efficiency.

[0005] Therefore, how to provide a shield tunnel segment ring connection assembly is a problem that urgently needs to be solved by those skilled in the art. Summary of the Invention

[0006] One objective of this invention is to provide a shield tunnel segment ring connection assembly. This assembly includes a first docking block on one shield tunnel segment ring and a second docking block on another shield tunnel segment ring. The second docking block has an end cap. The first docking block has a pre-embedded component, a sealing component, and a snap-fit ​​component at its output end. The snap-fit ​​component has a pushing component. The second docking block has a sliding component, a spreading component connected to the pushing component, an opening / closing component adapted to the snap-fit ​​component, and a telescopic locking component. The end cap has an abutment component. During connection, the pushing component contacts and drives the spreading component to contract, forcing the opening / closing component to close and engage with the snap-fit ​​component, achieving a quick connection. During locking, the pushing component continues to move, forcing the telescopic locking component to move from the second docking block to the end cap, achieving a quick locking effect.

[0007] Preferably, the pre-embedded component includes a pre-embedded threaded sleeve pre-embedded on the first mating block, a threaded rod threadedly connected to the pre-embedded threaded sleeve, the threaded rod threadedly penetrating the threaded sleeve, and the sealing component disposed on the threaded rod.

[0008] Preferably, the sealing assembly includes a sealing strip disposed at the end of the threaded rod, the second mating block is provided with a receiving groove for accommodating the opening and closing assembly, and the sealing strip is provided with a sealing block adapted to the receiving groove.

[0009] Preferably, the snap-fit ​​assembly includes a snap-fit ​​rod disposed at the end of the threaded rod, the snap-fit ​​rod passing through the sealing strip and the sealing block, and a snap-fit ​​ring one and a snap-fit ​​ring two fixedly sleeved on the outer ring of the snap-fit ​​rod, forming a snap-fit ​​space between the snap-fit ​​ring one and the snap-fit ​​ring two.

[0010] Preferably, the sliding assembly includes an arc-shaped groove and a transverse groove formed on both sides of the second docking block. The arc-shaped groove is connected to the transverse groove. A sliding spring is provided on the inner wall of the arc-shaped groove. A sliding block is provided at the other end of the sliding spring. The sliding block is adapted to the arc-shaped groove and the transverse groove.

[0011] Preferably, the spreading component includes spreading blocks disposed on the sliding block, and a spreading spring is disposed between the two spreading blocks.

[0012] Preferably, the pushing assembly includes a slide bar disposed on the spreading block, a pushing rod disposed on the snap-fit ​​rod, and an inclined rod disposed on the pushing rod adapted to the slide bar.

[0013] Preferably, the opening and closing assembly includes connecting rods disposed on the expansion block, two connecting rods being hinged to each other, and a semi-circular limiting ring being tightly hinged to the end of each connecting rod. The two semi-circular limiting rings form a circle that matches the snap-fit ​​space. A notch is provided on the semi-circular limiting ring that matches the snap-fit ​​rod. An inclined groove is provided on the second docking block that matches the connecting rod.

[0014] Preferably, the telescopic clamping assembly includes a clamping outer cylinder disposed at the end of the spreading block, a clamping block disposed inside the clamping outer cylinder, an arc-shaped protrusion disposed on the clamping block penetrating the clamping outer cylinder, a clamping spring disposed on the clamping block and the inner wall of the clamping outer cylinder, an arc-shaped groove two disposed on the second docking block, a trapezoidal groove disposed on the second docking block communicating with the arc-shaped groove two, the trapezoidal groove being adapted to the arc-shaped protrusion and the clamping outer cylinder, and the receiving groove, the inclined groove, the arc-shaped groove two and the trapezoidal groove being sequentially connected.

[0015] Preferably, the abutting assembly includes an abutting outer cylinder disposed on the inner wall of the end cap, an abutting inner rod inserted into the abutting outer cylinder, an abutting plate disposed on the abutting inner rod, an abutting spring sleeved on the outer ring of the abutting inner rod between the abutting plate and the abutting outer cylinder, and a contact block adapted to the abutting plate disposed on the clamping outer cylinder.

[0016] The beneficial effects of this invention are as follows:

[0017] This invention embeds a pre-embedded component into docking block one and installs a sealing component. When two shield tunnel segment rings are connected, one shield tunnel segment ring is pushed closer to the other installed shield tunnel segment ring, forcing the pushing component into docking block two. Through the open-close component, the pushing force acts on the expanding component. Due to the internal structure of the sliding component and docking block two, the expanding component is forced to close inwards. The closing of the expanding component drives the rotation and closing of the opening-close component, causing the opening-close component to engage with the locking component. At this point, the opening-close component, locking component, pushing component, expanding component, telescopic locking component, and sliding component form a single unit, achieving a rapid connection between docking block one and docking block two, i.e., a rapid connection of the two shield tunnel segment rings. At this point, the two shield tunnel segment rings are not fully connected. The shield tunnel segment rings are further pushed, and the pre-embedded component continues to push the sealing component and the pushing component, forcing the pushing component and locking component to continue moving forward. The locking component drives the opening-close component and the pushing component to move, and the pushing component drives the expanding component to move forward synchronously. Under the action of the sliding component, the expanding component... The opening component drives the telescopic locking component forward, forcing the telescopic locking component to move from docking block two into the end cover. When it enters the end cover, the telescopic locking component extends and engages with the inner wall of the end cover. Simultaneously, the abutment component acts against the telescopic locking component, thereby achieving the effect of rapid locking of docking block one and docking block two, that is, rapid locking of the two shield tunnel segment rings, realizing the rapid assembly of the two shield tunnel segment rings. At this time, the sealing component just closes the end of docking block two. In summary, the shield tunnel segment ring connecting component of this application, in two During the docking process of the shield tunnel segment rings, the opening and closing components and the snap-fit ​​components can be quickly snapped together, thereby achieving the effect of rapid connection of two shield tunnel segment rings. Based on the snap-fit, as the shield tunnel segment rings continue to advance, the telescopic locking components can quickly lock the device, thereby achieving the effect of rapid locking of two shield tunnel segment rings. This eliminates the need for excessive complicated operations, reduces construction difficulty, saves time, does not affect the tunneling construction of the shield machine, facilitates the rapid installation of shield tunnel segment rings, improves the splicing efficiency of shield tunnel segment rings, and improves the overall construction efficiency. Attached Figure Description

[0018] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used in conjunction with embodiments of the invention to explain the invention and do not constitute a limitation thereof. In the drawings:

[0019] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0020] Figure 2 This is a three-dimensional half-sectional view of the second docking block of the present invention;

[0021] Figure 3 This is a schematic diagram of the internal structure of the present invention;

[0022] Figure 4 For the present invention Figure 3 A magnified view of point A;

[0023] Figure 5 For the present invention Figure 3 Top view;

[0024] Figure 6 This is a structural schematic diagram of the snap-fit ​​assembly of the present invention;

[0025] Figure 7 This is a structural entity diagram of the sliding component of the present invention;

[0026] Figure 8 This is a diagram showing the connection relationship between the opening / closing component and the spreading component of the present invention.

[0027] Figure 9 This is a structural schematic diagram of the telescopic clamping assembly of the present invention;

[0028] Figure 10 This is a structural diagram of the contact component of the present invention.

[0029] In the diagram: 1. Connecting block one; 2. Connecting block two; 3. End cap; 4. Embedded component; 401. Embedded threaded sleeve; 402. Threaded rod; 5. Sealing component; 501. Sealing strip; 502. Receiving groove; 503. Sealing block; 6. Snap-fit ​​component; 601. Snap-fit ​​rod; 602. Snap-fit ​​ring one; 603. Snap-fit ​​ring two; 604. Snap-fit ​​space; 7. Pushing component; 701. Sliding rod; 702. Push rod; 703. Inclined rod; 8. Sliding component; 801. Arc groove one; 802. Horizontal groove; 803. Sliding spring; 804. Sliding block; 9. 901. Spreading assembly; 902. Spreading block; 10. Opening and closing assembly; 1001. Connecting rod; 1002. Semi-circular limiting ring; 1003. Notch; 1004. Inclined groove; 11. Telescopic clamping assembly; 1101. Clamping outer cylinder; 1102. Clamping block; 1103. Arc-shaped protrusion; 1104. Clamping spring; 1105. Arc-shaped groove II; 1106. Trapezoidal groove; 12. Abutting assembly; 1201. Abutting outer cylinder; 1202. Abutting inner rod; 1203. Abutting plate; 1204. Abutting spring; 1205. Contact block. Detailed Implementation

[0030] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the invention, and therefore only show the components relevant to the invention.

[0031] Example 1:

[0032] like Figure 1 , Figure 2 , Figure 3, Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 and Figure 10 As shown, a shield tunnel segment ring connection assembly of the present invention includes a docking block 1 disposed on one shield tunnel segment ring and a docking block 2 disposed on another shield tunnel segment ring. The docking block 2 is provided with an end cap 3. The docking block 1 is provided with an embedded component 4, a sealing component 5, and a snap-fit ​​component 6 at the output end of the embedded component 4. The snap-fit ​​component 6 is provided with a pushing component 7. The docking block 2 is provided with a sliding component 8, a spreading component 9 connected to the pushing component 7, an opening and closing component 10 adapted to the snap-fit ​​component 6, and a telescopic locking component 11. The end cap 3 is provided with an abutment component 12. During connection, the pushing component 7 contacts and drives the spreading component 9 to contract, forcing the opening and closing component 10 to close and snap-fit ​​with the snap-fit ​​component 6, achieving a quick connection. During locking, the pushing component 7 continues to move, forcing the telescopic locking component 11 to move from the docking block 2 to the end cap 3, achieving a quick locking effect.

[0033] Working principle: The pre-embedded component 4 is pre-embedded on the docking block 1, and the sealing component 5 is installed. When the two shield tunnel segment rings are connected, one shield tunnel segment ring is pushed closer to the other installed shield tunnel segment ring, forcing the pushing component 7 into the docking block 2. Through the open-close component 10, the pushing force of the pushing component 7 acts on the expanding component 9. Due to the internal structure of the sliding component 8 and the docking block 2, the expanding component 9 is forced to close inward. The closing of the expanding component 9 drives the rotation and closing of the opening and closing component 10, so that the opening and closing component 10 and the locking component 6 are just aligned. At this point, the opening / closing component 10, the locking component 6, the pushing component 7, the spreading component 9, the telescopic locking component 11, and the sliding component 8 form a single unit, thereby achieving a rapid connection between docking block 1 and docking block 2, i.e., a rapid connection between the two shield tunnel segment rings. At this time, the two shield tunnel segment rings are not fully docked. Continuing to push the shield tunnel segment rings, the pre-embedded component 4 continues to push the sealing component 5 and the pushing component 7, forcing the pushing component 7 and the locking component 6 to continue moving forward. The locking component 6 drives the opening / closing component 10 and the pushing component 7 to move, and the pushing component 7 drives the spreading component 9 to move forward synchronously. In the sliding... Under the action of component 8, the spreading component 9 drives the telescopic clamping component 11 to move forward, forcing the telescopic clamping component 11 to move from the docking block 2 to the end cover 3. When it enters the end cover 3, the telescopic clamping component 11 extends and forms a locking with the inner wall of the end cover 3. At the same time, the abutting component 12 abuts against the telescopic clamping component 11, thereby achieving the effect of rapid locking of docking block 1 and docking block 2, that is, rapid locking of the two shield tunnel segment rings, realizing the rapid assembly of the two shield tunnel segment rings. At this time, the sealing component 5 just closes the end of docking block 2. In summary, a shield tunneling device of this application... The shield tunnel segment ring connecting assembly enables the opening and closing component 10 and the snap-fit ​​component 6 to quickly snap together during the docking of two shield tunnel segment rings, thus achieving a rapid connection between the two shield tunnel segment rings. After the snap-fit ​​is achieved, as the shield tunnel segment rings continue to advance, the telescopic locking component 11 quickly locks the device, thus achieving a rapid locking effect between the two shield tunnel segment rings. This eliminates the need for excessive and complicated operations, reduces construction difficulty, saves time, does not affect the tunnel boring machine's excavation, facilitates the rapid installation of shield tunnel segment rings, improves the splicing efficiency of shield tunnel segment rings, and enhances overall construction efficiency.

[0034] Example 2:

[0035] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 and Figure 10As shown, a shield tunnel segment ring connection assembly of the present invention includes a pre-embedded component 4 comprising a pre-embedded threaded sleeve 401 pre-embedded on the docking block 1, a threaded rod 402 threadedly connected to the pre-embedded threaded sleeve 401, the threaded rod 402 threadedly penetrating the threaded sleeve, and a sealing component 5 disposed on the threaded rod 402.

[0036] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 and Figure 10 As shown, a shield tunnel segment ring connection assembly of the present invention includes a sealing assembly 5 comprising a sealing strip 501 disposed at the end of a threaded rod 402, a receiving groove 502 for accommodating an opening and closing assembly 10 on a connecting block 2, and a sealing block 503 adapted to the receiving groove 502 disposed on the sealing strip 501.

[0037] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 and Figure 10 As shown, a shield tunnel segment ring connection assembly of the present invention includes a snap-fit ​​assembly 6 comprising a snap-fit ​​rod 601 disposed at the end of a threaded rod 402, the snap-fit ​​rod 601 passing through a sealing strip 501 and a sealing block 503, and a snap-fit ​​ring 602 and a snap-fit ​​ring 603 fixedly sleeved on the outer ring of the snap-fit ​​rod 601, forming a snap-fit ​​space 604 between the snap-fit ​​ring 602 and the snap-fit ​​ring 603.

[0038] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 and Figure 10 As shown, a shield tunnel segment ring connection assembly of the present invention includes a sliding assembly 8 comprising an arc-shaped groove 801 and a transverse groove 802 formed on both sides of a second docking block 2. The arc-shaped groove 801 and the transverse groove 802 are connected. A sliding spring 803 is provided on the inner wall of the arc-shaped groove 801. A sliding block 804 is provided at the other end of the sliding spring 803. The sliding block 804 is adapted to the arc-shaped groove 801 and the transverse groove 802.

[0039] like Figure 1 , Figure 2, Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 and Figure 10 As shown, a shield tunnel segment ring connection assembly of the present invention includes a spreading component 9 comprising a spreading block 901 disposed on a sliding block 804, and a spreading spring 902 disposed between the two spreading blocks 901.

[0040] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 and Figure 10 As shown, a shield tunnel segment ring connection assembly of the present invention includes a pushing assembly 7 comprising a sliding rod 701 disposed on a support block 901, a pushing rod 702 disposed on a snap-fit ​​rod 601, and an inclined rod 703 disposed on the pushing rod 702 adapted to the sliding rod 701.

[0041] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 and Figure 10 As shown, a shield tunnel segment ring connection assembly of the present invention includes an opening and closing assembly 10 comprising a connecting rod 1001 disposed on a support block 901. The two connecting rods 1001 are hinged to each other, and a semi-circular limiting ring 1002 is tightly hinged to the end of the connecting rod 1001. The two semi-circular limiting rings 1002 form a circle that is adapted to the snap-fit ​​space 604. A notch 1003 adapted to the snap-fit ​​rod 601 is provided on the semi-circular limiting ring 1002. An inclined groove 1004 adapted to the connecting rod 1001 is provided on the connecting block 2.

[0042] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 and Figure 10As shown, a shield tunnel segment ring connection assembly of the present invention includes a telescopic clamping assembly 11 comprising a clamping outer cylinder 1101 disposed at the end of a spreading block 901, a clamping block 1102 disposed inside the clamping outer cylinder 1101, an arc-shaped protrusion 1103 disposed on the clamping block 1102 penetrating the clamping outer cylinder 1101, a clamping spring 1104 disposed on the clamping block 1102 and the inner wall of the clamping outer cylinder 1101, an arc-shaped groove 1105 disposed on the connecting block 2, and a trapezoidal groove 1106 disposed on the connecting block 2 communicating with the arc-shaped groove 1105, the trapezoidal groove 1106 being adapted to the arc-shaped protrusion 1103 and the clamping outer cylinder 1101, and a receiving groove 502, an inclined groove 1004, an arc-shaped groove 1105 and a trapezoidal groove 1106 being sequentially connected.

[0043] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 and Figure 10 As shown, a shield tunnel segment ring connection assembly of the present invention includes an abutment assembly 12 comprising an abutment outer cylinder 1201 disposed on the inner wall of an end cap 3, an abutment inner rod 1202 inserted into the abutment outer cylinder 1201, an abutment plate 1203 disposed on the abutment inner rod 1202, an abutment spring 1204 sleeved on the outer ring of the abutment inner rod 1202 disposed between the abutment plate 1203 and the abutment outer cylinder 1201, and a contact block 1205 adapted to the abutment plate 1203 disposed on the clamping outer cylinder 1101.

[0044] Working principle: The pre-embedded threaded sleeve 401 is pre-embedded on the mating block 1. The threaded rod 402 is rotated. Under the action of the pre-embedded threaded sleeve 401, the threaded rod 402 is forced to be installed in the pre-embedded threaded sleeve 401. The sealing strip 501 and the sealing block 503 are connected to the threaded rod 402. The snap-fit ​​rod 601 is connected to the threaded rod 402. The snap-fit ​​ring 1 602 and the snap-fit ​​ring 2 603 are installed in a reasonable position. The push rod 702 and the tilting rod 703 are installed on the snap-fit ​​rod 601 to complete the preparation work of mating block 1.

[0045] When docking block 2 is in the initial state, the semi-circular limiting ring 1002 is located on both sides of the receiving groove 502, the snap ring 1 602 and the snap ring 2 603 can pass smoothly through the receiving groove 502, the connecting rod 1001 and the semi-circular limiting ring 1002 are in the open state, under the action of the sliding spring 803, the sliding block 804 is located at the arc groove 1 801, the spreading block 901 is in the open state, the spreading spring 902 is in the original state, the arc protrusion 1103 is located at the arc groove 2 1105, the contact block 1205 is separated from the abutment plate 1203, and docking block 1 and docking block 2 are respectively set inside two different shield tunnel segment rings;

[0046] When two shield tunnel segment rings are connected, the equipment pushes one shield tunnel segment ring closer to the other installed shield tunnel segment ring. Because the connecting rod 1001 and the semi-circular limiting ring 1002 are in an open state, the pre-embedded threaded sleeve 401 and threaded rod 402 are forced to move the sealing strip 501, sealing block 503, snap ring one 602, snap ring two 603, and closer to the docking block two 2. This forces the snap rod 601, pushing rod 702, and tilting rod 703 to smoothly enter the interior of the docking block two 2 until the pushing rod 702 drives the tilting rod 703 to contact the sliding rod 701. Since the sliding block 804 is located in the arc... At groove 801 and arc-shaped protrusion 1103 located at arc-shaped groove 1105, when the pushing force of inclined rod 703 acts on sliding rod 701, the spreading block 901 does not immediately undergo linear motion, forcing sliding rod 701 to slide on inclined rod 703, thereby causing spreading block 901 to rotate around the hinge point of connecting rod 1001. Since inclined rod 703 is inclined outward, when pushed forward, it forces sliding rod 701 to move inward, forcing spreading block 901 to rotate inward and close. The rotation of spreading block 901 will drive connecting rod 1001 to rotate inward until sliding block 801... 04 is located at the transverse groove 802 and the arc-shaped protrusion 1103 is located at the trapezoidal groove 1106, just enough to make the semi-circular limiting ring 1002 move into the snap-fit ​​space 604, forming a snap-fit ​​between the snap-fit ​​ring one 602 and the snap-fit ​​ring two 603 and the semi-circular limiting ring 1002; since the semi-circular limiting ring 1002 is tightly hinged to the connecting rod 1001, when the semi-circular limiting ring 1002 contacts the snap-fit ​​ring one 602 and the snap-fit ​​ring two 603, the semi-circular limiting ring 1002 is just at the top of the snap-fit ​​space 604. After the snap-fit ​​ring one 602 and the snap-fit ​​ring two 603 contact, the semi-circular limiting ring 1002... 002 rotates around the hinge point, thereby restricting the semi-circular limiting ring 1002 within the locking space 604; at this time, locking ring one 602, locking ring two 603 and semi-circular limiting ring 1002 form a whole, tilting rod 703 and sliding rod 701 abut against each other to form a whole, so that the spreading block 901 and tilting rod 703 form a whole, forcing the opening and closing component 10, locking component 6, pushing component 7, spreading component 9, telescopic locking component 11 and sliding component 8 to form a whole, thereby achieving the effect of quick connection between docking block one 1 and docking block two 2, that is, quick connection of two shield tunnel segment rings;

[0047] At this point, the two shield tunnel segment rings are not fully aligned. Continuing to push the shield tunnel segment rings, based on the aforementioned movement, the pre-embedded threaded sleeve 401 and threaded rod 402 continue to drive the sealing strip 501 and sealing block 503, causing the snap-fit ​​rod 601 to drive the push rod 702. The push rod 702 then drives the tilting rod 703 and sliding rod 701. Since the sliding block 804 is located at the transverse groove 802 and the arc-shaped protrusion 1103 is located at the trapezoidal groove 1106, the opening block 901 rotates and closes. When the opening block 901 moves forward... This forces the sliding block 804 to move within the transverse groove 802 and the arc-shaped protrusion 1103 to move within the trapezoidal groove 1106. The sliding block 804 pulls the sliding spring 803 to extend, and the arc-shaped protrusion 1103, under the action of the trapezoidal groove 1106, retracts into the interior of the clamping outer cylinder 1101, causing the clamping block 1102 to slide inside the clamping outer cylinder 1101. This forces the clamping spring 1104 to compress and store energy until the clamping outer cylinder 1101 and the arc-shaped protrusion 1103 move from the docking block 2 to... Inside the end cap 3, when the arc-shaped protrusion 1103 enters the end cap 3, because the arc-shaped protrusion 1103 disengages from the trapezoidal groove 1106, the clamping spring 1104 needs to return to its original position. This causes the clamping spring 1104 to drive the clamping block 1102 to slide out of the clamping outer cylinder 1101, forcing the arc-shaped protrusion 1103 to extend out of the clamping outer cylinder 1101, so that the arc-shaped protrusion 1103 contacts the inner wall of the end cap 3, forming a lock. At the same time, when the clamping outer cylinder 1101 enters the end cap 3, the clamping outer cylinder 1101 drives the contact block 120. 5. The movement causes the contact block 1205 to drive the abutment plate 1203 to move. The abutment plate 1203 drives the inner abutment rod 1202 to move inside the outer abutment cylinder 1201. At this time, the abutment spring 1204 is compressed, so that the abutment plate 1203 forms a reverse force on the contact block 1205, so that the clamping outer cylinder 1101 and the arc-shaped protrusion 1103 are firmly clamped between the inner wall of the end cover 3 and the contact block 1205, thereby achieving the effect of quick locking of the docking block 1 and the docking block 2, that is, quick locking of the two shield tunnel segment rings.

[0048] When the arc-shaped protrusion 1103 is locked, the sealing block 503 moves into the receiving groove 502, and the sealing strip 501 is located between the gap between the first docking block 1 and the second docking block 2, so that the sealing block 503 forms a sealing effect on the second docking block 2. At the same time, the sealing block 503 clamps, realizing the rapid assembly of the two shield tunnel segment rings.

[0049] The pre-embedded component 4 provides the driving force for the device, enabling the docking of docking block 1 and docking block 2, facilitating device installation and model selection. Simultaneously, the pre-embedded threaded sleeve 401 and threaded rod 402 enhance the locking capability, ensuring a tight connection between docking block 1 and docking block 2, improving stability. Pre-installation of the device increases work efficiency. The sealing component 5 locks docking block 2, improving sealing and preventing rainwater from entering docking block 1 and docking block 2, thus enhancing efficiency. The locking component 6 provides the driving force for the pushing component 7. The device can achieve a locking effect on the semi-circular limiting ring 1002, preventing the connecting rod 1001 from rotating during subsequent movements and improving the stability of the device. The locking space 604 can achieve a locking effect on the semi-circular limiting ring 1002. The sliding component 8 can set the initial position of the spreading component 9, facilitating the pushing action of the pushing component 7 on the spreading component 9. The sliding spring 803 can cause the sliding block 804 to move in different ways, improving flexibility. The spreading component 9 can realize two different movements of the device. When the spreading block 901 moves from the open state to the closed state, it is a rotational closing movement, realizing... The engagement of the semi-circular limiting ring 1002 enables linear motion of the device when the expanding block 901 is in the closed state. The push assembly 7 transmits the pushing force acting on the shield tunnel segment ring, controlling the expanding assembly 9 and causing it to move in different directions, thus achieving rapid engagement and locking of the device. The opening and closing assembly 10 enables rapid connection of the device, allowing the engagement of the first locking ring 602 and the second locking ring 603 with the semi-circular limiting ring 1002 to prevent rotation of the semi-circular limiting ring 1002 during subsequent movement. In subsequent pushing processes, it can share the load. The pushing force of the push rod 702 reduces the load on the push rod 702, improves the pushing effect of the push rod 702, and further achieves the effect of rapid locking; the setting of the telescopic clamping component 11 can achieve the function of hindering the opening component 9, so that when the opening component 9 is subjected to force, it first rotates, and when it moves in the trapezoidal groove 1106, it can form a contracted state. When it moves to the end cover 3, it forms an open state, achieving the clamping effect; the setting of the abutment component 12 can achieve the function of abutting the telescopic clamping component 11, achieving self-adaptive capability, forming a further locking effect on the telescopic clamping component 11, and improving the stability of the device;

[0050] This solution enables rapid engagement between the first and second locking rings (602 and 603) and the semi-circular limiting ring (1002) during the connection of two shield tunnel segment rings. Furthermore, it achieves multi-level locking based on this rapid engagement. The first and second locking rings (602 and 603) provide primary locking to the semi-circular limiting ring (1002), preventing rotation of the connecting rod (1001) during subsequent movement. The arc-shaped protrusion (1103) provides secondary locking, the contact plate (1203) provides tertiary locking, and the sealing block (503) provides quaternary locking. Simultaneous locking from different positions further enhances the locking function, reduces complex operations, lowers construction difficulty, saves time, and does not affect the tunnel boring machine's excavation. This facilitates rapid installation of the shield tunnel segment rings, improves the splicing efficiency, and enhances overall construction efficiency.

[0051] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A shield tunnel segment ring connection assembly, characterized in that, The system includes a first docking block (1) on one shield tunnel segment ring and a second docking block (2) on another shield tunnel segment ring. The second docking block (2) is equipped with an end cap (3). The first docking block (1) is equipped with an embedded component (4). The embedded component (4) is equipped with a sealing component (5). The output end of the embedded component (4) is equipped with a snap-fit ​​component (6). The snap-fit ​​component (6) is equipped with a pushing component (7). The second docking block (2) is equipped with a sliding component (8). The sliding component (8) is equipped with a spreading component (9) connected to the pushing component (7). The spreading component (9) is equipped with the snap-fit ​​component (6). The adaptable opening and closing component (10) is provided with a telescopic clamping component (11) on the opening component (9) and an abutment component (12) on the end cap (3); wherein, when connecting, the pushing component (7) contacts and drives the opening component (9) to retract, forcing the opening and closing component (10) to close and engage with the clamping component (6), forming a quick connection effect; when locking, the pushing component (7) continues to move, forcing the telescopic clamping component (11) to move from the docking block two (2) to the end cap (3), forming a quick locking effect; the pre-embedded component (4) includes a pre-embedded threaded sleeve (401) pre-embedded on the docking block one (1). The pre-embedded threaded sleeve (401) is threadedly connected to a threaded rod (402); the snap-fit ​​assembly (6) includes a snap-fit ​​rod (601) disposed at the end of the threaded rod (402), and the outer ring of the snap-fit ​​rod (601) is fixedly sleeved with a snap-fit ​​ring one (602) and a snap-fit ​​ring two (603), and a snap-fit ​​space (604) is formed between the snap-fit ​​ring one (602) and the snap-fit ​​ring two (603); the sliding assembly (8) includes an arc-shaped groove one (801) and a transverse groove (802) opened on both sides of the mating block two (2), the arc-shaped groove one (801) and the transverse groove (802) are connected, and the inner wall of the arc-shaped groove one (801) is provided with a sliding spring. Spring (803), the other end of the sliding spring (803) is provided with a sliding block (804), the sliding block (804) is adapted to the arc groove (801) and the transverse groove (802); the opening assembly (9) includes an opening block (901) provided on the sliding block (804), and an opening spring (902) is provided between the two opening blocks (901); the pushing assembly (7) includes a slide rod (701) provided on the opening block (901), a pushing rod (702) is provided on the snap-fit ​​rod (601), and an inclined rod (703) adapted to the slide rod (701) is provided on the pushing rod (702);The opening and closing assembly (10) includes connecting rods (1001) disposed on the expansion block (901). The two connecting rods (1001) are hinged to each other. The ends of the connecting rods (1001) are tightly hinged with semi-circular limiting rings (1002). The two semi-circular limiting rings (1002) form a circle that matches the snap-fit ​​space (604). The semi-circular limiting rings (1002) have notches (1003) that match the snap-fit ​​rods (601). The second docking block (2) has inclined grooves (1004) that match the connecting rods (1001).

2. The shield tunnel segment ring connection assembly according to claim 1, characterized in that, The threaded rod (402) is threaded through the pre-embedded threaded sleeve (401), and the sealing assembly (5) is disposed on the threaded rod (402).

3. A shield tunnel segment ring connection assembly according to claim 2, characterized in that, The sealing assembly (5) includes a sealing strip (501) disposed at the end of the threaded rod (402), and the second docking block (2) is provided with a receiving groove (502) for accommodating the opening and closing assembly (10), and the sealing strip (501) is provided with a sealing block (503) adapted to the receiving groove (502).

4. A shield tunnel segment ring connection assembly according to claim 3, characterized in that, The snap-fit ​​rod (601) passes through the sealing strip (501) and the sealing block (503).

5. A shield tunnel segment ring connection assembly according to claim 4, characterized in that, The telescopic clamping assembly (11) includes a clamping outer cylinder (1101) disposed at the end of the spreading block (901). A clamping block (1102) is disposed inside the clamping outer cylinder (1101). An arc-shaped protrusion (1103) penetrating the clamping outer cylinder (1101) is disposed on the clamping block (1102). A clamping spring (1104) is disposed between the clamping block (1102) and the inner wall of the clamping outer cylinder (1101). The docking... Block 2 (2) is provided with an arc-shaped groove 2 (1105), and the docking block 2 (2) is provided with a trapezoidal groove (1106) connected to the arc-shaped groove 2 (1105). The trapezoidal groove (1106) is adapted to the arc-shaped protrusion (1103) and the clamping outer cylinder (1101). The receiving groove (502), the inclined groove (1004), the arc-shaped groove 2 (1105) and the trapezoidal groove (1106) are connected in sequence.

6. A shield tunnel segment ring connection assembly according to claim 5, characterized in that, The abutment assembly (12) includes an abutment outer cylinder (1201) disposed on the inner wall of the end cap (3), an abutment inner rod (1202) inserted into the abutment outer cylinder (1201), an abutment plate (1203) disposed on the abutment inner rod (1202), an abutment spring (1204) sleeved on the outer ring of the abutment inner rod (1202) between the abutment plate (1203) and the abutment outer cylinder (1201), and a contact block (1205) adapted to the abutment plate (1203) disposed on the clamping outer cylinder (1101).

Images