CN113062358B

CN113062358B - Movable suspension tunnel pipe joint with inner sleeve

Info

Publication number: CN113062358B
Application number: CN202110191155.8A
Authority: CN
Inventors: 林亨; 吴则祥; 白直旭; 黄伟明
Original assignee: Wenzhou University
Current assignee: Wenzhou University
Priority date: 2021-02-20
Filing date: 2021-02-20
Publication date: 2022-05-13
Anticipated expiration: 2041-02-20
Also published as: CN113062358A

Abstract

The invention discloses an inner sleeve movable type suspension tunnel pipe joint which comprises a pipe joint body, a tunnel plate and a supporting structure for supporting the tunnel plate, wherein the supporting structure is arranged at the bottom of an inner cavity of the pipe joint body, the tunnel plate is laid on the supporting structure, two ends of the tunnel plate are fixed on the inner wall of the pipe joint body, a movable inner sleeve is sleeved on the inner wall of the pipe joint body, and the movable inner sleeve moves along the length direction of the inner wall of the pipe joint body. The inner sleeve is moved in the tunnel pipe joint to play roles in blocking leakage of pipe body cracks and assisting in strengthening.

Description

Movable suspension tunnel pipe joint with inner sleeve

Technical Field

The invention relates to an inner sleeve movable type suspension tunnel pipe joint.

Background

The underwater suspension tunnel is a novel cross-regional river, sea and lake traffic structure. In 2018, the Chinese science agreement lists the key technology of crossing deep large-sea channel (suspension tunnel) as one of 60 major scientific problems facing the future in China. Because the suspension tunnel has the advantages of long span length, small influence of severe weather and relatively stable unit length manufacturing cost, the suspension tunnel receives attention from experts and scholars of various countries in the world.

In general, a suspension tunnel is composed of a standard prefabricated tunnel pipe section, an anchor cable tensioning system for limiting the displacement of a structure and an anchor deep foundation. As the main body of the suspension tunnel, the close-lapped tunnel pipe sections provide the main buoyancy lift for the whole structure and also face and balance the direct action of the later-operating vehicles. The performance of the tunnel tube sections will therefore play an extremely critical role for the whole suspension tunnel.

However, for a suspended tunnel which operates underwater throughout the year, the tunnel pipe joints are required to maintain good sealing performance under the load action of ocean currents, temperature changes and the like; meanwhile, the risk of fatigue wear and corrosion damage of the structural material is considered, and the tunnel pipe section is required to have a local anti-leakage function. In order to satisfy the use function of the suspension tunnel pipe joint and reduce the potential systematic risk of the structure, a suspension tunnel pipe joint structure needs to be developed, the self structural form of the tunnel pipe joint can be fully utilized to realize the underwater anti-leakage target, and further the development of the key technology of the suspension tunnel is promoted.

Disclosure of Invention

The invention aims to solve the technical problem of providing an inner sleeve movable type suspension tunnel pipe joint. The pipe joint has a blocking function on annular area and regional water seepage, and the leakage-resistant risk capability of the pipe joint with the standard structure is improved.

Therefore, the inner sleeve moving type suspension tunnel pipe joint comprises a pipe joint body, a tunnel plate and a support structure for supporting the tunnel plate, wherein the support structure is arranged at the bottom of an inner cavity of the pipe joint body, the tunnel plate is laid on the support structure, two end parts of the tunnel plate are fixed on the inner wall of the pipe joint body, the inner wall of the pipe joint body is sleeved with a moving inner sleeve, and the moving inner sleeve moves along the length direction of the inner wall of the pipe joint body.

The pipe joint comprises a pipe joint body and a tunnel plate, and is characterized in that symmetrical track grooves are formed in the length direction of the joints of the two sides of the pipe joint body and the tunnel plate, a plurality of traction slideways are arranged in the length direction of the inner wall of the pipe joint body, a plurality of sliding blocks are arranged on the outer wall of a movable inner sleeve, the two ends of the movable inner sleeve are respectively sleeved in the track grooves, the sliding blocks are inserted in the corresponding traction slideways, and the movable inner sleeve moves along the traction slideways and the track grooves.

The support structure is including supporting the structure roof beam and a plurality of support post of squatting, and a plurality of supports are squatted post evenly distributed and are in tube coupling body inner chamber bottom, support the structure roof beam and fix and support the post upper end of squatting, the tunnel plate is laid on supporting the structure roof beam.

All set up the division wall between the adjacent support squat post, tunnel plate lower extreme face and pipe coupling body bottom inner wall form the bottom cavity, and the division wall separates the bottom cavity.

The moving inner sleeve is made of high-strength metal material, the thickness of the moving inner sleeve is not more than 5MM, and the length of the moving inner sleeve is not less than 1/10 of the length of the pipe joint body.

The diameter of the movable inner sleeve is smaller than that of the pipe fitting body, the movable inner sleeve is sleeved on the inner wall of the pipe fitting body, and the outer wall of the movable inner sleeve is tightly attached to the inner wall of the pipe fitting body and moves along the length direction of the inner wall.

The movable inner sleeve is provided with at least one linear motor driving device, a transmission guide rail is arranged in the traction slideway, and the linear driving device is sleeved on the transmission guide rail and moves linearly along the transmission guide rail.

Remove inner skleeve and coupling body inner wall and pass through hasp subassembly locking connection, the hasp subassembly includes lock piece and fastener, the lock piece is located and is removed inner skleeve one side, evenly set up a plurality of fasteners in pulling the slide, lock piece and fastener locking cooperation.

The invention has the following beneficial effects:

(1) when the suspended tunnel pipe joint generates annular area and regional water seepage, the movable inner sleeve is moved to the water seepage region to be blocked and strengthened. And waterproof measures are taken on the edge of the inner sleeve to improve the leakage-resistant risk capability of the pipe section with the standard structure.

(2) The moving inner sleeve can enhance the overall rigidity of the material fatigue or weathering damage weak section of the suspended tunnel pipe section. The inner sleeve is tightly attached to the inner wall of the pipe body, so that the outer load borne by the pipe body can be supported and transmitted.

(3) The movable inner sleeve can flexibly move in the pipe joint body through the traction slideway and the rail groove device, and convenience in implementation is provided for the functions of resisting seepage and assisting in strengthening the structural pipe joint.

Drawings

Fig. 1 is a schematic structural diagram of an inner sleeve mobile type suspension tunnel pipe section according to a first embodiment of the present invention;

FIG. 2 is a partial axial sectional view of the inner sleeve traveling type suspended tunnel pipe section of FIG. 1;

FIG. 3 is a schematic view of a partial radial cross-section of a pipe section of the inner sleeve traveling type suspension tunnel in FIG. 1;

FIG. 4 is a schematic top view of the inner sleeve traveling type suspended tunnel segment of FIG. 1;

fig. 5 is a schematic partial axial sectional view of an inner sleeve mobile suspension tunnel pipe section according to a second embodiment of the present invention;

fig. 6 is a schematic partial axial sectional view of an inner sleeve mobile suspension tunnel pipe section according to a third embodiment of the present invention;

fig. 7 is a schematic structural view of a locking assembly of the inner sleeve moving type floating tunnel pipe joint in fig. 6.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1-4, a first embodiment of the present invention provides an inner sleeve mobile type suspended tunnel pipe joint, which includes a pipe joint body 1, a tunnel plate 2 and a support structure for supporting the tunnel plate, wherein the support structure is disposed at the bottom of an inner cavity of the pipe joint body 1, the tunnel plate 2 is laid on the support structure, and two end portions of the tunnel plate 2 are fixed on an inner wall of the pipe joint body 1. The support structure is including supporting structure roof beam 3 and a plurality of support post 4 of squatting, and a plurality of supports 4 evenly distributed of post of squatting are in 1 inner chamber bottom of tube coupling body, support structure roof beam 3 and fix and support 4 upper ends of post of squatting, tunnel board 2 is laid on supporting structure roof beam 3. The support construction beams 3 and the support squat columns 4 form a frame support system, and lane support is provided for vehicles passing in the suspension tunnel. All set up division wall 5 between the adjacent support squat post 4, tunnel plate 2 lower extreme face and tube coupling body bottom inner wall form the bottom cavity, and division wall 5 carries out space separation with the bottom cavity. The functional requirements of pipeline and maintenance of the tunnel structure are met.

The inner wall of the pipe joint body is sleeved with a movable inner sleeve 6, symmetrical track grooves 7 are formed in the joints of the two sides of the pipe joint body 1 and the tunnel plate 1 along the length direction, and a plurality of traction slideways 8 are arranged on the inner wall of the pipe joint body 1 along the length direction. The outer wall of the movable inner sleeve 6 is provided with a plurality of sliding blocks 9, the two ends of the movable inner sleeve 6 are respectively sleeved in the track grooves 7, and the sliding blocks 9 are inserted in the corresponding traction slide ways 8. The movable inner sleeve 6 moves along the traction slideway 8 and the track groove 7, namely the movable inner sleeve 6 moves along the length direction of the inner wall of the pipe joint body 1.

The moving inner sleeve 6 is made of high-strength metal material, the thickness of the moving inner sleeve is not more than 5MM, and the length of the moving inner sleeve is not less than 1/10 of the length of the pipe joint body. The diameter of the movable inner sleeve 6 is smaller than that of the pipe fitting body 1, the outer wall of the movable inner sleeve 6 is tightly attached to and sleeved on the inner wall of the pipe fitting body 1 and moves along the length direction of the inner wall, and the movable inner sleeve 6 shares the internal force conduction of the pipe fitting body.

Under normal conditions, remove inner skleeve 6 and fix on the fixed position of tube coupling body 1, can set up monitoring system and real-time early warning in the tube coupling body 1. When the tunnel coupling takes place the percolating water or takes place the coupling damage because of vehicle striking, the tired morals and manners of material etc. through whole monitoring system real-time early warning, through removing inner skleeve 6 with the help of drive arrangement or manpower in addition, will remove inner skleeve 6 and remove to coupling body seepage damage part, will remove inner skleeve 6 edge gap department again and seal and water repellent. The leakage and the pipe joint damage positions are blocked and strengthened through the movable inner sleeve, and then the whole suspension tunnel pipe joint structure is ensured to continue normal operation work. The movable inner sleeve 6 can enhance the overall rigidity of the weak section of the suspension tunnel pipe section material in fatigue or weathering damage, and can support and transmit the external load born by the pipe body by combining the inner sleeve to be tightly attached to the inner wall of the pipe body.

The pipe joint body, the support structure beam and the support squat column are spliced by standardized prefabricated templates and are integrally poured by high-strength dense waterproof concrete, and the structural division in the space of the tunnel pipe joint body is realized by the brick-concrete partition wall.

Referring to fig. 5, a second embodiment of the present invention provides an inner sleeve moving type floating tunnel pipe section, which is substantially the same as the first embodiment except that: the movable inner sleeve 6 is provided with at least one linear motor driving device 11, a transmission guide rail 12 is arranged in the traction slideway 10, and the linear motor driving device 11 is sleeved on the transmission guide rail 12 and moves linearly along the transmission guide rail 12. A monitoring system can be arranged in the pipe joint body 1 and gives an early warning in real time, and a control module in the monitoring system controls the linear motor driving device to start or stop. The linear motor driving device controls the movable inner sleeve 6 to move to the leakage or damage part of the pipe joint body, and then the edge gap of the movable inner sleeve 6 is sealed and subjected to waterproof treatment.

Referring to fig. 6 to 7, a third embodiment of the present invention provides an inner sleeve-moving type floating tunnel pipe section, which is substantially the same as the first embodiment except that: remove

inner skleeve

6 and 1 inner wall of tube coupling body and pass through hasp subassembly locking connection, the hasp subassembly includes locking piece 13 and fastener 14, locking piece 13 is located and is removed inner skleeve 6 one side, evenly set up a plurality of fasteners in pulling the slide, locking piece 13 and fastener 14 locking cooperation. The locking piece comprises a fixed piece 15, a rotating piece 16, a clamping piece 17 and a hasp 18, wherein the rotating piece 16 is rotatably connected at the end part of the fixed frame 15, the clamping piece 17 is arranged on the rotating piece 16, the fixed piece 15 is provided with a clamping hook 19 matched with the clamping piece, the hasp 18 is movably connected with the rotating piece 16, and the fixed piece 15 is fixed on the surface of the movable inner sleeve 6. The fastener 14 includes a fastener slot 20 and a hook portion 21 disposed in the fastener slot. When the movable inner sleeve 6 is locked and connected with the pipe joint body 1, the rotating piece is opened, the hasp 18 is clamped on the hook part 21 in the hasp groove 20, then the rotating piece is rotated towards the fixing piece, the clamping piece 17 clamped by the rotating piece 16 is clamped on the pothook 19, and the locking assembly locks the movable inner sleeve 6 and the pipe joint body 1. The unlocking of the locking assembly only requires pulling the rotating member 16 outward, the engaging member 17 is disengaged from the hook 19, and the hook 18 is disengaged from the hook 21.

Normally, the stopper 13 of the movable inner sleeve is locked in the fastening 14 of the fixed position, and the movable inner sleeve 6 is fixed in the fixed position of the pipe joint body 1. When the tunnel pipe joint leaks water or the pipe joint is damaged due to vehicle impact, material fatigue and weathering and the like, the locking piece 13 is separated from the fastener 14, the movable inner sleeve 6 is unlocked to be in a freely movable state, and the movable inner sleeve moves to a water seepage or damage position along the traction slideway 10 and the track groove 7 through being pushed by a driving device or manpower additionally, and is locked into the fastener corresponding to the water seepage or damage position to be positioned. The gap between the movable inner sleeve 6 and the pipe joint body 1 is sealed and waterproofed.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. The utility model provides a portable suspension tunnel coupling of inner skleeve, characterized by: including tube coupling body, tunnel board and the support structure of supporting the tunnel board, support the structure setting and tube coupling body inner chamber bottom, the tunnel board is laid in the support structure, and tunnel board both ends are fixed on tube coupling body inner wall, tube coupling body inner wall has cup jointed and has removed the inner skleeve, remove the inner skleeve and remove along tube coupling body inner wall length direction, this internal monitoring system that sets up of tube coupling, through whole monitoring system real-time early warning, drive arrangement or manpower promote and remove the inner skleeve, will remove the inner skleeve and remove tube coupling body seepage or damaged part, will remove sealed and water repellent in inner skleeve edge gap department again.

2. The inner sleeve movable type suspended tunnel pipe joint according to claim 1, wherein symmetrical track grooves are formed in the length direction of the joints of the pipe joint body and the two sides of the tunnel plate, a plurality of traction slideways are formed in the length direction of the inner wall of the pipe joint body, a plurality of sliding blocks are arranged on the outer wall of the movable inner sleeve, the two ends of the movable inner sleeve are respectively sleeved in the track grooves, the sliding blocks are inserted in the corresponding traction slideways, and the movable inner sleeve moves along the traction slideways and the track grooves.

3. The inner sleeve movable type suspension tunnel pipe joint according to claim 1 or 2, wherein the support structure comprises a support structure beam and a plurality of support squat columns, the support squat columns are evenly distributed at the bottom of the inner cavity of the pipe joint body, the support structure beam is fixed at the upper ends of the support squat columns, the tunnel plate is laid on the support structure beam,

4. The inner sleeve traveling type suspended tunnel pipe section of claim 3, wherein the inner sleeve is made of a high-strength metal material, the thickness of the inner sleeve is not more than 5MM, and the length of the inner sleeve is not less than 1/10 of the length of the pipe section body.

5. The inner sleeve moving type suspended tunnel pipe joint as claimed in claim 4, wherein the inner sleeve has a diameter smaller than that of the pipe fitting body, the inner sleeve is sleeved on the inner wall of the pipe fitting body, and the outer wall of the inner sleeve is closely attached to the inner wall of the pipe fitting body and moves along the length direction of the inner wall.

6. The inner sleeve moving type suspended tunnel pipe joint as claimed in claim 2, wherein the moving inner sleeve is provided with at least one linear motor driving device, the traction slideway is internally provided with a transmission guide rail, and the linear driving device is sleeved on the transmission guide rail and moves linearly along the transmission guide rail.

7. The inner sleeve moving type suspension tunnel pipe joint according to claim 2, wherein the inner sleeve is locked and connected with the inner wall of the pipe joint body by a locking assembly, the locking assembly comprises a locking member and a fastening member, the locking member is arranged on one side of the inner sleeve, a plurality of fastening members are uniformly arranged in the traction slideway, the locking member is locked and matched with the fastening member, the locking member comprises a fixing member, a rotating member, a clamping member and a buckle, the rotating member is rotatably connected with the end part of the fixing frame, the clamping member is arranged on the rotating member, the fixing member is provided with a clamping hook matched with the clamping member, the buckle is movably connected with the rotating member, the fixing member is fixed on the surface of the inner sleeve, the fastening member comprises a fastening member groove and a hook part arranged in the fastening member groove, under normal conditions, the locking member on the inner sleeve is locked in the fixed position of the fastening member, and the inner sleeve is fixed on the fixed position of the pipe joint body, when the tunnel coupling takes place the percolating water or takes place the coupling damage because of vehicle striking, the tired morals and manners of material, break away from the fastener with the locking piece, remove the inner skleeve unblock and be free movable state, remove the inner skleeve and move to infiltration or damaged position along drawing slide and track groove to in locking piece lock infiltration or the fastener that damaged position corresponds, fix a position, gap department is sealed and water repellent between removal inner skleeve and coupling body.