CN204780574U - Luo liang expansion joint device is prevented to modulus formula - Google Patents
Luo liang expansion joint device is prevented to modulus formula Download PDFInfo
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- CN204780574U CN204780574U CN201520381050.9U CN201520381050U CN204780574U CN 204780574 U CN204780574 U CN 204780574U CN 201520381050 U CN201520381050 U CN 201520381050U CN 204780574 U CN204780574 U CN 204780574U
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- expansion gap
- supporting beam
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Abstract
The utility model discloses a luo liang expansion joint device is prevented to modulus formula belongs to bridge expansion joint technical field, including location respectively two symmetries set up move boundary beam on the accuse box, with the help of the pressure -bearing support with the supporting beam in compressing tightly that the support is spacing to move the accuse box and set up on supporting beam and be arranged in the roof beam between the roof beam of both sides, its key lies in: at supporting beam and move the accuse and be equipped with energy -absorbing limit structure between the box, in the structure in the accuse box is being moved to the location and lie in dog and the spacing spacing portion and the dog buffer block within a definite time at supporting beam of supporting beam one side or both sides. The utility model discloses beneficial effect is: come temporarily in the earthquake, after the flexible volume of expansion joint device reached the limit, the last spacing portion of supporting beam and dog cooperation compression buffer block played the effect of antidetonation energy dissipation, and the buffer block lost efficacy, and to hold the dog be that spacing portion on the supporting beam holds the roof beam body and in order to prevent that it from falling absolutely, reaches the roof beam of preventing falling and act on to the spacing portion in back, avoids leading to the fact the calamity.
Description
Technical field
The utility model belongs to bridge expanssion joint technical field, is specially a kind of modulus type expansion gap device with antidetonation, girder falling effect.
Background technology
In existing bridge expansion joint installation, modulus type bridge expansion joint installation be the most generally, a kind of preferably, can adapt to and meet longitudinal and transverse, the perpendicular three direction displacement (flexible and rotate) of bridge, there is the traffic bearing surface of some strength safety stock, run the traffic bearing surface of comfortable traffic bearing surface and traffic safety (anti-skidding), and the dry sound of the impact reducing carload, the vibration caused and generation.
But earthquake disaster constantly occurs in recent years, general modulus type expansion gap device stroke when earthquake occurs reaches capacity, and bridge beam body ruptures, and bridge collapse, can cause disaster.
Summary of the invention
The technical problems to be solved in the utility model be modulus type expansion gap device cannot shock-resistant and energy-dissipating, girder falling technical problem; devise a kind of modulus type girder falling expansion gap device; by being arranged on the buffer stopper moving the block in control casing, the limiting section on supporting traverse and be positioned between supporting traverse limiting section and block, reach the object of buffering shock-resistant and energy-dissipating, protection beam body and restrainer.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of modulus type girder falling expansion gap device, comprise and be positioned at two symmetrically arranged side bars moved on control casing respectively, by bearing and the spacing supporting traverse moving in control casing of compressing support and to be arranged on supporting traverse and the central sill be positioned between two side bars, its key is: at supporting traverse and move to control between casing and be provided with energy-absorbing position limiting structure, structure comprises being positioned at moves in control casing and is positioned at the block of supporting traverse one or both sides and the buffer stopper between the spacing limiting section at supporting traverse and block.
Further, the T-shaped two ends being arranged on supporting traverse of described limiting section, described buffer stopper is arranged on the inner face of the limiting section of supporting traverse.
Further, between side bar and central sill, be provided with adhesive tape, described adhesive tape is rubber or polyurethane material.
Further, described central sill or side bar are F shaped steel, Z-shape steel, E shaped steel, RG shaped steel or D shaped steel.
Further, move control casing described in comprise box plate, roof box and connecting box base plate and roof box and form case side plate and the case end plate of the body structure of one end open.
Further, described block is arranged on box plate and is integrative-structure with box plate or is arranged on roof box and is integrative-structure with roof box.
Further, described block to be arranged on case side plate and to extend to supporting traverse.
The utility model beneficial effect is: when coming earthquake, after the stroke of expansion gap device reaches capacity, limiting section on supporting traverse coordinates with block and compresses the effect that buffer stopper plays shock-resistant and energy-dissipating, the limiting section pulling beam body that after buffer stopper lost efficacy, limiting section is held on block and supporting traverse falls to prevent it from breaking, reach girder falling effect, avoid causing disaster.
Below in conjunction with accompanying drawing, the utility model is described in detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the top view after Fig. 1 removes adhesive tape.
In accompanying drawing, 1 is adhesive tape, and 2 is side bars, and 3 is central sills, and 4 is supporting traverses, and 5 is bearings, and 6 is compressing supports, and 7 is buffer stoppers, and 8 is box plates, and 9 is roof box, and 10 is case side plates, and 11 is case end plates, and 12 is blocks.
Detailed description of the invention
The utility model provides a kind of modulus type girder falling expansion gap device, referring to attached Fig. 1 and 2, two are moved the symmetrical setting of control casing, move control casing be fixed on Liang Tishang and move control casing on be provided with side bar 2, supporting traverse 4 by be arranged on move control casing on bearing 5 and compressing support 6 spacing two move control casing in, supporting traverse 4 is provided be positioned at two move control casing on side bar 2 between central sill 3.At supporting traverse 4 and move to control between casing and be provided with energy-absorbing position limiting structure, structure comprises being positioned at moves in control casing and is positioned at the block 12 of supporting traverse 4 one or both sides and the buffer stopper 7 between the spacing limiting section at supporting traverse 4 and block 12.The limiting section of supporting traverse 3 coordinates with block 12 and forms position limiting structure, and the buffer stopper 7 of setting can play the effect of shock-resistant and energy-dissipating, reaches cushioning effect.
Buffer stopper 7 can adopt any shape and structure, as cylinder annular, rectangle bellow-shaped separately or compound shape etc., its material is the material that can play any one-component of cushioning effect, many components or composite material, as being rubber, polyurethane and other composite material, macromolecular material.
Move control casing comprise box plate 8, roof box 9 and connecting box base plate 8 and roof box 9 and form case side plate 10 and the case end plate 11 of the body structure of one end open.Bearing 5 is arranged between supporting traverse 4 and box plate 8, and compressing support 6 is arranged between supporting traverse 4 and roof box 9.Block 12 is arranged on box plate 8 and is integrative-structures with box plate 8, also can be arranged on roof box 9 and to be integrative-structures with roof box 9.Block 12 can also be the structure being arranged on case side plate 10 and extending to supporting traverse 4.The two ends of supporting traverse 4 are provided with T-shaped limiting section and make supporting traverse 4 in I-shape construction, and buffer stopper 7 is arranged on the inner face of the limiting section of supporting traverse 4.Block 12 is provided with two in every side of supporting traverse 4 in the specific implementation, and block 12 limits according to designing requirement with the distance of buffer stopper 7.
Central sill 3 or side bar 2 are the deformed steels comprising F shaped steel, Z-shape steel, E shaped steel, RG shaped steel or D shaped steel, and its shape also can be I-shaped.Adhesive tape 1 is provided with between side bar 2 and central sill 3.Adhesive tape 1 comprises all materials playing telescopic action closed with central sill 3 type mouth-shaped matching size, as rubber, polyurethane and other composite material, macromolecular material etc.
The utility model is in the specific implementation: referring to attached Fig. 1 and 2, before the stroke of expansion gap device reaches capacity, on box plate 8, block and buffer stopper 7 cut little ice, and namely do not affect the flexible of shrinkage joint self.At coming earthquake, when the stroke of expansion gap device reaches capacity, the limiting section of supporting traverse 4 with move the block 12 controlled in casing and coordinate and extrude buffer stopper 7 and spacing by block 12, and then play buffering antidetonation, and hold two curb girder bodies respectively to prevent it from mutually departing from or to depart from beam-ends position of the fulcrum by expansion gap device, avoid the effect causing the disasters such as beam.
Expansion gap device and two curb girder bodies, by buffering, energy-absorbing, the cushioning effect of expansion gap device itself, are linked as an entirety by the utility model, in the slump infringement adapting to well protect beam body to bring from earthquake while bridge realizes telescopic displacement function.Bed rearrangement bridge adopts this utility model to protect, and integral bridge carries out linking with earthquake, displacement, avoids bridge damage, prevents beam body from coming off.
Claims (7)
1. a modulus type girder falling expansion gap device, comprise and be positioned at two symmetrically arranged side bars (2) moved on control casing respectively, by bearing (5) and the spacing supporting traverse (4) moving in control casing of compressing support (6) and be arranged on supporting traverse (4) and go up and be positioned at the central sill (3) between two side bars (2), it is characterized in that: at supporting traverse (4) and move to control between casing and be provided with energy-absorbing position limiting structure, structure comprises being positioned at moves in control casing and is positioned at the block (12) of supporting traverse (4) one or both sides and the buffer stopper (7) between the spacing limiting section at supporting traverse (4) and block (12).
2. modulus type girder falling expansion gap device according to claim 1, is characterized in that: the T-shaped two ends being arranged on supporting traverse (4) of described limiting section, described buffer stopper (7) is arranged on the inner face of the limiting section of supporting traverse (4).
3. modulus type girder falling expansion gap device according to claim 1, it is characterized in that: between side bar (2) and central sill (3), be provided with adhesive tape (1), described adhesive tape (1) is rubber or polyurethane material.
4. modulus type girder falling expansion gap device according to claim 1, is characterized in that: described central sill (3) or side bar (2) are F shaped steel, Z-shape steel, E shaped steel, RG shaped steel or D shaped steel.
5. the modulus type girder falling expansion gap device according to any one of claim 1-4, is characterized in that: described in move control casing and comprise box plate (8), roof box (9) and connecting box base plate (8) and roof box (9) and form case side plate (10) and the case end plate (11) of the body structure of one end open.
6. modulus type girder falling expansion gap device according to claim 5, is characterized in that: described block (12) is arranged on box plate (8) and is integrative-structure with box plate (8) or is arranged on roof box (9) and is integrative-structure with roof box (9).
7. modulus type girder falling expansion gap device according to claim 5, is characterized in that: described block (12) is arranged on case side plate (10) and goes up and extend to supporting traverse (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520381050.9U CN204780574U (en) | 2015-06-05 | 2015-06-05 | Luo liang expansion joint device is prevented to modulus formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520381050.9U CN204780574U (en) | 2015-06-05 | 2015-06-05 | Luo liang expansion joint device is prevented to modulus formula |
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| Publication Number | Publication Date |
|---|---|
| CN204780574U true CN204780574U (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520381050.9U Active CN204780574U (en) | 2015-06-05 | 2015-06-05 | Luo liang expansion joint device is prevented to modulus formula |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112942088A (en) * | 2021-02-03 | 2021-06-11 | 中铁大桥勘测设计院集团有限公司 | Bridge limit control modulus expansion joint device |
-
2015
- 2015-06-05 CN CN201520381050.9U patent/CN204780574U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112942088A (en) * | 2021-02-03 | 2021-06-11 | 中铁大桥勘测设计院集团有限公司 | Bridge limit control modulus expansion joint device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Hengshui City, Hebei Province, 053000 North Park industrial base Taocheng District Road No. 9 Patentee after: Heng an Polytron Technologies Inc Address before: 053000 Daqing East Road, Hebei, China, No. 27, No. Patentee before: Hengshui Rubber Co., Ltd. |