CN219195639U - Unit type multidirectional displacement comb plate expansion joint - Google Patents
Unit type multidirectional displacement comb plate expansion joint Download PDFInfo
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- CN219195639U CN219195639U CN202320287403.3U CN202320287403U CN219195639U CN 219195639 U CN219195639 U CN 219195639U CN 202320287403 U CN202320287403 U CN 202320287403U CN 219195639 U CN219195639 U CN 219195639U
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- comb plate
- expansion joint
- unit type
- rod
- multidirectional displacement
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Abstract
The utility model discloses a unit type multidirectional displacement comb plate expansion joint, which relates to the technical field of bridge expansion joints and comprises a movable comb plate, a fixed comb plate and a waterproof belt, wherein the positioning assembly comprises a plurality of groups of positioning rods, the number of each group of positioning rods is two, the disassembly and assembly comprises a plurality of inserting rods, the top of each inserting rod is provided with a limiting rod, one side of each limiting rod is provided with a pull rod, the top of each limiting rod is provided with a reset spring, two ends of the waterproof belt are fixedly connected with two connecting blocks, and the bottoms of the movable comb plate and the fixed comb plate are respectively provided with beam-end concrete.
Description
Technical Field
The utility model relates to the technical field of bridge expansion joints, in particular to a unit type multidirectional displacement comb plate expansion joint.
Background
The bridge expansion joint is in order to meet the bridge deck deformation requirement, the expansion joint is usually arranged between two beam ends, between the beam ends and the bridge abutment or at the hinge position of the bridge, the bridge expansion joint can adjust the displacement and connection between the upper structures caused by vehicle load and bridge building materials, the rail and the bridge deck pavement are disconnected at the expansion joint, the expansion joint of the bridge is of various types, the unit type multidirectional displacement comb bridge expansion joint device has the advantages of wide application, low structural height, wide application range, stable running, skid resistance and the like.
The waterproof belt inside the existing expansion joint is fixed in the expansion joint through a set of complex structure, but the waterproof belt is easy to age after long-time use, the existing fixing structure causes inconvenient dismantling of the waterproof belt, and inconvenience is brought to staff during maintenance and replacement.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a unit type multidirectional displacement comb plate expansion joint. Its advantage lies in, conveniently changes the waterproof tape, improves the work progress.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a unit type multidirectional displacement comb plate expansion joint comprises a movable comb plate, a fixed comb plate and a waterproof belt;
the positioning assembly comprises a plurality of groups of positioning rods, and the number of each group of positioning rods is two;
the disassembly and assembly comprises a plurality of inserted bars, each inserted bar is provided with a limiting bar at the top, each limiting bar is provided with a pull rod at one side, each limiting bar is provided with a reset spring at the top, and two connecting blocks are fixedly connected at two ends of the waterproof belt.
The utility model is further arranged that the bottoms of the movable comb plate and the fixed comb plate are respectively provided with beam end concrete, cavities are respectively formed in the two beam end concrete, high-strength concrete is respectively arranged in the two cavities, and damping components are respectively arranged in the cavities.
The waterproof belt is further arranged between the two beam end concretes, two connecting boxes are arranged on opposite sides of the two beam end concretes, one end of each connecting box penetrates through and extends to the inside of the corresponding connecting box, and each group of positioning rods are respectively arranged in the corresponding connecting boxes.
The positioning assembly and the dismounting assembly are respectively positioned in the corresponding connecting boxes, the inside of each limiting rod is connected with a sliding block in a sliding mode, the top of each sliding block is provided with a connecting rod, one end of each connecting rod penetrates through the outside of the corresponding limiting rod and then is fixedly connected with the inner top of each connecting box, and one end of each pull rod penetrates through the corresponding connecting box and is in sliding connection.
The utility model is further arranged that the damping component comprises a plurality of groups of sleeves, the number of each group of sleeves is two, each group of sleeves is respectively positioned in a cavity corresponding to the concrete at the beam end, the bottoms of the movable comb plate and the fixed comb plate are fixedly connected with sliding rods, each sliding rod is respectively in sliding connection with the corresponding sleeve, the outer wall of each sliding rod is sleeved with a damping spring, and the top and the bottom of each damping spring are respectively and fixedly connected with the top of the corresponding sleeve, the bottom of the movable comb plate and the bottom of the fixed comb plate.
The technical scheme is as follows: through damper's setting, play buffering absorbing effect, specifically be when fixed fishback receives the impact with movable fishback, the slide bar slides in telescopic inside, compresses damping spring, stores certain elastic potential energy, plays the cushioning effect to the fishback under a plurality of damping spring's elasticity effects, reduces the rigid impact that fixed fishback received with movable fishback.
The utility model is further arranged that a plurality of J-shaped bolts are arranged in the movable comb plate and the fixed comb plate, and one ends of the J-shaped bolts penetrate through and extend to the inner part of the corresponding high-strength concrete.
The technical scheme is as follows: through the setting of J type bolt, make joint strength higher, the structure is more stable.
The utility model further provides that the surfaces of the sleeves and the sliding rods are subjected to hot galvanizing treatment, and the J-shaped bolts are equidistantly distributed along the horizontal direction of the beam-end concrete.
The technical scheme is as follows: the surfaces of the sleeves and the sliding rods are provided with hot galvanizing treatment, so that the anti-corrosion and rust-proof effects are achieved, and the service life is prolonged.
The beneficial effects of the utility model are as follows:
1. according to the waterproof belt, the dismounting assembly is arranged, so that the waterproof belt is convenient to replace and install, specifically, the pull rod is pulled to move upwards, the reset spring is contracted, the inserting rod moves upwards, then the positioning rod is inserted into the connecting block, the waterproof belt is installed, the operation is convenient, and the working progress is improved.
2. According to the utility model, the damping component is arranged to play a role in buffering and damping, specifically, when the fixed comb plate and the movable comb plate are impacted, the sliding rod slides in the sleeve, the damping springs are compressed, certain elastic potential energy is stored, the damping component plays a role in buffering the comb plate under the action of the elastic force of the damping springs, and the hard impact on the fixed comb plate and the movable comb plate is reduced.
3. According to the utility model, the J-shaped bolts are arranged, so that the connecting strength is higher, the structure is more stable, and the anti-corrosion and rust-proof effects are realized and the service life is prolonged through the arrangement that the surfaces of the sleeves and the sliding rods are subjected to hot galvanizing treatment.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an expansion joint of a unit type multidirectional displacement comb plate;
FIG. 2 is a schematic diagram of the internal structure of a fixed comb plate of a unit type multidirectional displacement comb plate expansion joint;
FIG. 3 is a schematic diagram of a connection structure of a connection box and a waterproof belt of an expansion joint of a unit type multidirectional displacement comb plate;
FIG. 4 is a schematic diagram of the internal structure of a connection box of a unit type multidirectional displacement comb plate expansion joint;
fig. 5 is a schematic diagram of the whole structure of a disassembling and assembling assembly of a unit type multidirectional displacement comb plate expansion joint.
In the figure: 1. a movable comb plate; 2. fixing the comb plate; 3. beam end concrete; 4. a J-bolt; 5. a sleeve; 6. a slide bar; 7. a damping spring; 8. a waterproof tape; 9. a connection box; 10. a pull rod; 11. a rod; 12. a connecting block; 13. a positioning rod; 14. a limit rod; 15. a return spring; 16. a connecting rod; 17. a slide block; 18. high strength concrete.
Detailed Description
The technical scheme of the patent is further described in detail below with reference to the specific embodiments.
Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the patent and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and are therefore not to be construed as limiting the patent.
In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.
Referring to fig. 1 to 5, a unit type multidirectional displacement comb plate expansion joint comprises a movable comb plate 1, a fixed comb plate 2 and a waterproof belt 8;
the positioning assembly comprises a plurality of groups of positioning rods 13, and the number of each group of positioning rods 13 is two;
the assembly and disassembly assembly comprises a plurality of inserted bars 11, wherein each inserted bar 11 is provided with a limiting bar 14 at the top, each limiting bar 14 is provided with a pull rod 10 at one side, each limiting bar 14 is provided with a reset spring 15 at the top, and two connecting blocks 12 are fixedly connected to two ends of the waterproof belt 8.
The bottom of movable fishback 1 and fixed fishback 2 all is equipped with beam-end concrete 3, two the cavity has all been seted up to beam-end concrete 3's inside, two the cavity is inside all to be equipped with high strength concrete 18, the inside of cavity all is equipped with damper.
The waterproof belt 8 is located between two beam-end concretes 3, two the beam-end concretes 3 are provided with two connecting boxes 9 on opposite sides, one end of each connecting block 12 penetrates through the corresponding connecting box 9, and each group of positioning rods 13 are located in the corresponding connecting blocks 12.
The positioning component and the dismounting component are respectively located in the corresponding connecting boxes 9, each limiting rod 14 is slidably connected with a sliding block 17, each sliding block 17 is provided with a connecting rod 16 at the top, one end of each connecting rod 16 is fixedly connected with the inner top of each connecting box 9 after penetrating through the corresponding connecting box 9, and one end of each pull rod 10 is slidably connected with the corresponding connecting box 9.
In order to reduce the hard impact that fixed comb plate 2 and movable comb plate 1 received, refer to fig. 3, damper includes multiunit sleeve 5, every group sleeve 5's quantity sets up to two, every group sleeve 5 is located respectively and corresponds beam-end concrete 3's cavity inside, fixed comb plate 2 bottom all fixedly connected with slide bar 6, every slide bar 6 is sliding connection respectively with corresponding sleeve 5, every the outer wall of slide bar 6 all overlaps and is equipped with damping spring 7, every damping spring 7's top and bottom respectively with corresponding sleeve 5's top, movable comb plate 1 and fixed comb plate 2's bottom fixed connection, through damper's setting, play buffering cushioning's effect, specifically when fixed comb plate 2 receives the impact with movable comb plate 1, slide bar 6 slides in sleeve 5's inside, compresses damping spring 7, stores certain elasticity potential energy, plays the cushioning effect to the comb plate under the elasticity effect of a plurality of damping spring 7, reduces fixed comb plate 2 and movable comb plate's hard impact 1
In order to make the joint strength higher, referring to fig. 1-2, the inside of movable comb plate 1 and fixed comb plate 2 all is equipped with a plurality of J type bolts 4, a plurality of the one end of J type bolt 4 all runs through and extends to the inside of corresponding high strength concrete 18, leads to the setting of J type bolt 4, makes joint strength higher, and the structure is more stable.
In order to prolong the service life, referring to fig. 1-2, the surfaces of the sleeve 5 and the slide bar 6 are subjected to hot galvanizing treatment, the J-bolts 4 are equidistantly distributed along the horizontal direction of the beam-end concrete 3, and the surfaces of the sleeve 5 and the slide bar 6 are subjected to hot galvanizing treatment, so that the effects of corrosion resistance and rust resistance are achieved, and the service life is prolonged.
Working principle: when the waterproof belt 8 is installed in use, the pull rod 10 is pulled to move upwards, the pull rod 10 slides on the inner wall of the connecting box 9 to drive the limiting rod 14 to move upwards, the sliding block 17 slides in the limiting rod 14 to enable the reset spring 15 to contract, the inserting rod 11 moves upwards, then the connecting block 12 is placed in the corresponding connecting box 9, then the positioning rod 13 is inserted into the connecting block 12 to play a role in auxiliary positioning, then the pull rod 10 is loosened, the reset spring 15 rebounds, the inserting rod 11 is inserted into the connecting block 12, and the waterproof belt 8 is installed.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. A unit type multidirectional displacement comb plate expansion joint is characterized by comprising
A movable comb plate (1), a fixed comb plate (2) and a waterproof belt (8);
the positioning assembly comprises a plurality of groups of positioning rods (13), and the number of each group of positioning rods (13) is two;
the disassembly and assembly comprises a plurality of inserted bars (11), wherein each inserted bar (11) is provided with a limiting bar (14) at the top, each limiting bar (14) is provided with a pull rod (10) at one side, each limiting bar (14) is provided with a reset spring (15) at the top, and two connecting blocks (12) are fixedly connected at two ends of the waterproof belt (8).
2. The unit type multidirectional displacement comb plate expansion joint according to claim 1, wherein beam end concrete (3) is arranged at the bottoms of the movable comb plate (1) and the fixed comb plate (2), cavities are formed in the beam end concrete (3), high-strength concrete (18) is arranged in the cavities, and damping components are arranged in the cavities.
3. A unit type multidirectional displacement comb plate expansion joint according to claim 2, wherein the waterproof belt (8) is located between two beam-end concretes (3), two connecting boxes (9) are arranged on opposite sides of the two beam-end concretes (3), one end of each connecting block (12) penetrates through and extends to the inside of the corresponding connecting box (9), and each group of positioning rods (13) are located in the corresponding connecting blocks (12) respectively.
4. A unit type multidirectional displacement comb plate expansion joint according to claim 3, characterized in that the positioning assembly and the dismounting assembly are respectively located in the corresponding connecting boxes (9), each limiting rod (14) is slidably connected with a sliding block (17), the top of each sliding block (17) is provided with a connecting rod (16), one end of each connecting rod (16) is fixedly connected with the inner top of each connecting box (9) after penetrating through the outer part of the corresponding limiting rod (14), and one end of each pull rod (10) is slidably connected with the corresponding connecting box (9).
5. The unit type multidirectional displacement comb plate expansion joint according to claim 4, wherein the damping component comprises a plurality of groups of sleeves (5), the number of each group of sleeves (5) is two, each group of sleeves (5) is located in a cavity corresponding to beam-end concrete (3) respectively, sliding rods (6) are fixedly connected to the bottoms of the movable comb plates (1) and the fixed comb plates (2) respectively, each sliding rod (6) is in sliding connection with the corresponding sleeve (5) respectively, damping springs (7) are sleeved on the outer wall of each sliding rod (6), and the top and the bottom of each damping spring (7) are fixedly connected with the top of the corresponding sleeve (5), the bottom of the movable comb plates (1) and the bottom of the fixed comb plates (2) respectively.
6. The unit type multidirectional displacement comb plate expansion joint according to claim 5, wherein a plurality of J-shaped bolts (4) are arranged in the movable comb plate (1) and the fixed comb plate (2), and one ends of the J-shaped bolts (4) penetrate through and extend to the inside of corresponding high-strength concrete (18).
7. The unit type multidirectional displacement comb plate expansion joint according to claim 6, wherein the surfaces of the sleeves (5) and the sliding rods (6) are subjected to hot galvanizing treatment, and the J-shaped bolts (4) are equidistantly distributed along the horizontal direction of the beam-end concrete (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320287403.3U CN219195639U (en) | 2023-02-23 | 2023-02-23 | Unit type multidirectional displacement comb plate expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320287403.3U CN219195639U (en) | 2023-02-23 | 2023-02-23 | Unit type multidirectional displacement comb plate expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219195639U true CN219195639U (en) | 2023-06-16 |
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ID=86724301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320287403.3U Active CN219195639U (en) | 2023-02-23 | 2023-02-23 | Unit type multidirectional displacement comb plate expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219195639U (en) |
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2023
- 2023-02-23 CN CN202320287403.3U patent/CN219195639U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Guoliang Inventor after: Zhang Tieyou Inventor before: Zhang Guoliang Inventor before: Zhang Tie |
|
| CB03 | Change of inventor or designer information |