CN213016347U - Flexible joint capable of realizing coordinated deformation - Google Patents
Flexible joint capable of realizing coordinated deformation Download PDFInfo
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- CN213016347U CN213016347U CN202021759232.2U CN202021759232U CN213016347U CN 213016347 U CN213016347 U CN 213016347U CN 202021759232 U CN202021759232 U CN 202021759232U CN 213016347 U CN213016347 U CN 213016347U
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- flexible joint
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Abstract
The utility model discloses a coordinated flexible formula of warping connects sets up between two sections pipe joints of cross passage push pipe, its characterized in that flexible formula connects the joint festival section that sets up including two symmetries, two from the extroversion has set gradually in the clearance between the joint festival section and has protected native sand board, once stagnant water rubber circle, secondary stagnant water rubber circle and compression arresting gear. The utility model has the advantages that: the flexible joint structure has simple structure and convenient installation and use, can allow adjacent structures to generate relative displacement within 5cm, can reduce the mutual influence of the pipe joint of the jacking pipe and the main structure of a station (tunnel), and forms respective relatively independent stress systems.
Description
Technical Field
The utility model belongs to the technical field of track traffic or tunnel, concretely relates to flexible formula of coordinated deformation connects.
Background
The main structure and the auxiliary structure of a station (tunnel) generally have the problems of large difference of structural mass and inconsistent structural style, and when the auxiliary structure and the main structure are rigidly connected, the main structure is usually dislocated and deformed due to differential settlement, so that more problems such as cracking, leakage and the like are caused. The open cut structure usually adopts a mode of setting deformation joints to solve the problems, but structures such as a shield method or a pipe jacking method generally realize the action of the deformation joints in a mode of setting elastic rubber pads between pipe joints, and the allowable deformation amount is small. The pipe joints of the jacking pipes are different from the main structure of a station (tunnel) in structure scale and structure form, different settlement and deformation can be generated in the using process, and technicians in the field urgently need a joint capable of coordinating deformation, and the adjacent structures can be allowed to generate relative displacement within 5cm to form respective relatively independent stress systems without damaging the safety of the structure.
Disclosure of Invention
The utility model aims at providing a flexible formula of coordinated deformation connects according to above-mentioned prior art's weak point, and this flexible formula connects through compression arresting gear in the clearance of its two joint segments to reduce the interact of cross passage push pipe and station (tunnel) major structure, make it form independent atress system separately.
The utility model discloses the purpose is realized accomplishing by following technical scheme:
a flexible joint capable of deformation coordination is arranged between two sections of pipe joints of a transverse channel jacking pipe and is characterized by comprising two symmetrically arranged joint sections, wherein a protective earth and sand plate, a primary water stop rubber ring, a secondary water stop rubber ring and a compression braking device are sequentially arranged in a gap between the two joint sections from outside to inside.
The protective sand plate is fixedly arranged on the outer cambered surface of the flexible joint.
The two ends of the primary water stop rubber ring are fixedly arranged on the end face of the joint section through bolts respectively, and the two ends of the secondary water stop rubber ring are fixedly arranged on the end face of the joint section through bolts respectively.
And two ends of the compression braking device are respectively fixed on the end surfaces of the joint sections through bolts.
The compression braking device is composed of a rigid component and a buffer material layer arranged on one end face of the rigid component.
And a rubber type refractory material layer and a refractory covering plate are sequentially arranged on the inner cambered surface of the flexible joint.
The utility model has the advantages that: the flexible joint structure has simple structure and convenient installation and use, can allow adjacent structures to generate relative displacement within 5cm, can reduce the mutual influence of the pipe joint of the jacking pipe and the main structure of a station (tunnel), and forms respective relatively independent stress systems.
Drawings
FIG. 1 is a schematic view of a flexible joint disposed in a cross-channel pipe-jacking segment of the present invention;
fig. 2 is a cross-sectional view taken along line a-a of fig. 1 in accordance with the present invention;
fig. 3 is a cross-sectional view taken along line B-B of fig. 2 in accordance with the present invention;
FIG. 4 is a schematic view of the present invention, in which a force transmission member and a primary water stop rubber ring are disposed in a flexible joint during the pushing process of a horizontal channel pipe;
FIG. 5 is a schematic view of the present invention, after the push pipe of the cross channel is pushed, the force transmission component in the flexible joint is removed and the secondary water stop rubber ring is arranged;
fig. 6 is a schematic view of the present invention with a compression brake, a rubber-type refractory material layer and a refractory covering plate disposed in a flexible joint.
Detailed Description
The features of the present invention and other related features are described in further detail below by way of example with reference to the accompanying drawings, for the understanding of those skilled in the art:
referring to fig. 1-6, the symbols in the drawings are: the device comprises a transverse channel top pipe 1, pipe joints 2, flexible joints 3, a station (tunnel) main body structure 4, an inter-ring longitudinal joint 5, joint sections 6, a primary water-stopping rubber ring 7, a force transmission component 8, a protective earth-sand plate 9, inter-ring longitudinal joint bolts 10, a secondary water-stopping rubber ring 11, a compression braking device 12, a rigid component 13, a buffer material layer 14, a rubber type refractory material layer 15 and a refractory covering plate 16.
Example (b): as shown in fig. 1-3, the present embodiment specifically relates to a flexible joint with coordinated deformation, the flexible joint 3 is disposed between two pipe joints 2 of a cross-channel pipe jacking 1, the flexible joint 3 is composed of two symmetrically disposed joint segments 6, and the size and shape of the joint segments 6 correspond to the size and shape of the pipe joints 2; in the gap between the two joint sections 6, a sand and earth protection plate 9, a primary water-stopping rubber ring 7, a secondary water-stopping rubber ring 11, a compression brake device 12, a rubber-type refractory material layer 15 and a refractory covering plate 16 are arranged in sequence from outside to inside.
As shown in fig. 1-3, a sand-proof plate 9 is fixedly arranged on the outer arc surface of the flexible joint 3 for shielding the gap between the two joint sections 6 to prevent sand from entering; two ends of the primary water stopping rubber ring 7 are respectively fixed on the two joint sections 6 through bolts for stopping water, and two ends of the secondary water stopping rubber ring 11 are also fixed on the two joint sections 6 through bolts for stopping water, so that a two-way waterproof structure is formed; the compression braking device 12 is mainly used for braking and buffering to some extent through the compression braking device 12 when compression occurs between the cross channel jacking pipes 1, and the compression braking device 12 comprises a rigid member 13 and a buffering material layer 14; a rubber-type refractory material layer 15 and a refractory covering plate 16 are arranged on the inner arc surface of the flexible joint 3, thereby further improving the fire resistance of the flexible joint 3.
As shown in fig. 1, 4, 5, and 6, the method for disposing a flexible joint in this embodiment includes the following steps:
(1) as shown in fig. 1 and 4, before the transverse channel jacking pipe 1 is pushed, a flexible joint 3 is arranged between a first pipe section 2 and a second pipe section 2 of the transverse channel jacking pipe 1, the flexible joint 3 is composed of two symmetrically arranged joint sections 6, and the size and shape of each joint section 6 correspond to the size and shape of each pipe section 2; a plurality of longitudinal inter-ring joint bolts 10 are arranged on the longitudinal end face of the joint section 6 at intervals, and the longitudinal inter-ring joint bolts 10 are connected with the longitudinal inter-ring joints 5 pre-buried in the pipe sections 2, so that the joint section 6 is connected with the pipe sections 2; it should be noted that the pipe joint 2 in this embodiment is specifically a reinforced concrete pipe joint, and the inter-ring longitudinal joint 5 is an embedded nut embedded in the reinforced concrete pipe joint and is used in match with the inter-ring longitudinal joint bolt 10;
the soil and sand protection plate 9, the primary water-stop rubber ring 7 and the force transmission component 8 are sequentially arranged in the space between the two joint sections 6 from outside to inside, two ends of the temporary force transmission component 8 are respectively fixed in the gap between the two joint sections 6 through bolts and used for transmitting pressure in the propelling process, and the force transmission component 8 is a rigid component.
(2) As shown in fig. 1, 4 and 5, the horizontal channel pipe jacking 1 is pushed, after the horizontal channel pipe jacking 1 is pushed and connected with the main structure 4 of the station (tunnel), the force transmission component 8 in the flexible joint 3 is removed, and after the removal, a secondary water-stopping rubber ring 11 is further installed at the installation position of the original force transmission component 8, so that a two-way waterproof structure is formed for the flexible joint 3.
(3) As shown in fig. 1, 4, 5 and 6, a compression brake device 12 is further installed in the gap between the two joint sections 6, the main function of the compression brake device 12 is to perform certain braking and cushioning by the compression brake device 12 when compression occurs between the cross channel jacking pipes 1, and the compression brake device 12 comprises a rigid member 13 and a cushioning material layer 14.
(4) As shown in fig. 1, 4, 5 and 6, after the installation of the compression brake device 12 is completed, a rubber-type refractory material layer 15 and a refractory covering plate 16 are further provided on the inner arc surface of the flexible joint 3, so as to further improve the fire-proof performance of the flexible joint 3.
The beneficial effect of this embodiment lies in: through the arrangement of the flexible joint, the adjacent structures can be allowed to generate relative displacement within 5cm, the mutual influence of the pipe joints of the jacking pipes and the main structure of a station (tunnel) can be reduced, and respective relatively independent stress systems are formed, so that the safety of the structure is not damaged.
Claims (6)
1. A flexible joint capable of deformation coordination is arranged between two sections of pipe joints of a transverse channel jacking pipe and is characterized by comprising two symmetrically arranged joint sections, wherein a protective earth and sand plate, a primary water stop rubber ring, a secondary water stop rubber ring and a compression braking device are sequentially arranged in a gap between the two joint sections from outside to inside.
2. The flexible joint of claim 1, wherein the sand and earth guard is fixedly disposed on the outer arc surface of the flexible joint.
3. The flexible joint of claim 1, wherein two ends of the primary sealing rubber ring are respectively fixed to the end surfaces of the joint sections by bolts, and two ends of the secondary sealing rubber ring are respectively fixed to the end surfaces of the joint sections by bolts.
4. A cooperatively deforming flexible joint according to claim 1, wherein both ends of said compression brake device are respectively bolted to end faces of said joint sections.
5. A conformable flexible joint according to claim 1 or 4, wherein the compression stop means comprises a rigid member and a layer of cushioning material disposed on one end face of the rigid member.
6. A conformable deformable flexible joint according to claim 1, wherein a layer of rubber refractory material and a refractory covering plate are sequentially provided on the intrados of the flexible joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021759232.2U CN213016347U (en) | 2020-08-21 | 2020-08-21 | Flexible joint capable of realizing coordinated deformation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021759232.2U CN213016347U (en) | 2020-08-21 | 2020-08-21 | Flexible joint capable of realizing coordinated deformation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213016347U true CN213016347U (en) | 2021-04-20 |
Family
ID=75467935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021759232.2U Active CN213016347U (en) | 2020-08-21 | 2020-08-21 | Flexible joint capable of realizing coordinated deformation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213016347U (en) |
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2020
- 2020-08-21 CN CN202021759232.2U patent/CN213016347U/en active Active
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