CN207109575U - A kind of bridge extension joint with volute spring displacement control system - Google Patents
A kind of bridge extension joint with volute spring displacement control system Download PDFInfo
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- CN207109575U CN207109575U CN201720686695.2U CN201720686695U CN207109575U CN 207109575 U CN207109575 U CN 207109575U CN 201720686695 U CN201720686695 U CN 201720686695U CN 207109575 U CN207109575 U CN 207109575U
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- volute spring
- displacement control
- displacement
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Abstract
A kind of bridge extension joint with volute spring displacement control system, including fixed case（2）, displacement case（3）, two side bars being symmetricly set in the beam body of both sides（8）With volute spring displacement control system（10）, two side bars（8）Between be arranged with one or more central sill in parallel（6）, side bar（8）And central sill（6）Lower end is provided with support beam（1）, fixed case（2）With displacement case（3）Respectively by welding and the side bar in homonymy beam body（8）It is connected to a fixed, support beam（1）Pass through flexible member（5）Respectively with fixed case（2）With displacement case（3）It is connected, central sill（6）Pass through detachable U-shaped support frame（4）With flexible member（5）It is connected, fixed case（2）With displacement case（3）Between pass through volute spring displacement control system（10）It is connected.The control of each seam slit width uniformity is realized, and realizes the autonomy-oriented of modular expansion device.
Description
Technical field
A kind of retractor device is the utility model is related to, more specifically to one kind has volute spring displacement control system
Bridge extension joint, belong to bridge structure technical field.
Background technology
Bridge extension joint is the important component on highway bridge road surface, its predominantly adapt to the temperature of bridge it is flexible,
The contraction of concrete and Prestressed Concrete Bridges and creep, telescopic displacement of the bridge beam structure under load action etc. is drawn
The bridge telescopic displacement risen, to ensure the security and comfortableness of vehicle pass-through on bridge.Since the 1980s, with me
The development of state's highway bridge construction, various types of bridge extension joints largely use on bridge, except traditional flush type
Outside retractor device and board-like Telescopic rubber device, it successively have developed modular expansion device and the board-like bridge of big displacement broach stretch
Device.
At present, modular expansion device is a kind of bridge extension joint most popular on highway at home and abroad bridge.
But existing modular expansion device is formed by the research and development of the companies such as external MAURER and MAGIBA, according to its displacement
The difference of control system is divided into three kinds of lattice beam formula, straight beam formula and rotary shaft；Three kinds of structures are more complicated, and use cost compared with
It is high, it is impossible to meet actual demand.
The content of the invention
The purpose of this utility model be for structure existing for existing modular expansion device it is more complicated, using into
A kind of the defects of this is higher, there is provided bridge extension joint with volute spring displacement control system.
To achieve the above object, technical solution of the present utility model is：One kind has volute spring Bit andits control system
The bridge extension joint of system, including fixed case, displacement case, two side bars being symmetricly set in the beam body of both sides, two side bars
Between be arranged with one or more central sill in parallel, described side bar and central sill lower end are provided with support beam, described fixed case
It is cast in respectively in the beam body of both sides by concrete with displacement case, also includes volute spring displacement control system, it is described solid
Determine case and displacement case to be connected to a fixed with the side bar in homonymy beam body by welding respectively, described support beam passes through elastic member
Part is connected with fixed case and displacement case respectively, and described central sill is connected by detachable U-shaped support frame with flexible member, Gu
Determine by volute spring displacement control system to be connected between case and displacement case.
The self-lubricating plate of one layer of polytetrafluoroethylene (PTFE) material is provided between the flexible member and the contact surface of support beam.
It is connected between neighbouring detachable U-shaped support frame by bolt I.
Described volute spring displacement control system includes multiple cone rubbers, passes through between adjacent two cone rubbers
Fixed plate is connected with bolt II, and herein multiple are three or more than three.
Sealing joint strip is provided between the adjacent central sill, between central sill and side bar.
Anchor structure is respectively arranged with the outside of the side bar of the side bar of the fixed case and homonymy, displacement case and homonymy.
Compared with prior art, the beneficial effects of the utility model are：
1st, the utility model employs volute spring displacement control system, can effectively control gap between each shaped steel
Even variation, when beam body is subjected to displacement, fixed case together moves with beam body first, by volute spring adjacent thereto by power
Corresponding central sill is passed to, drives central sill to be subjected to displacement, central sill transmits the force to next volute spring, so as to realize each seam
The control of slit width uniformity, operation principle are clear；And it is simple in construction, cost is relatively low, realizes modular expansion device
Autonomy-oriented, the present situation of foreign technology monopolization is broken.
2nd, detachable U-shaped support frame is employed in the utility model, is passed through between neighbouring detachable U-shaped support frame
Bolt is connected, and is easy to the installation of flexible member and support beam, and is advantageous to the maintenance in later stage.
3rd, the utility model central sill quantity can increase or decrease according to actual conditions, in volute spring displacement control system
Volute spring quantity is accordingly increased or reduced, and so as to which the stroke of retractor device is adjusted flexibly, increases retractor device
Telescopic extensions, better meet requirement.
Brief description of the drawings
Fig. 1 is the utility model structure vertical profile.
Fig. 2 is the utility model structure level profile.
Fig. 3 is A-A sectional views in Fig. 1.
Fig. 4 is Fig. 2 partial enlarged drawing.
In figure, support beam 1, fixed case 2, displacement case 3, detachable U-shaped support frame 4, flexible member 5, central sill 6, sealing
Adhesive tape 7, side bar 8, bolt I 9, volute spring displacement control system 10, anchoring piece 11, cone rubber 12, fixed plate 13, bolt II
14。
Embodiment
The utility model is described in further detail below in conjunction with brief description of the drawings and embodiment.
Referring to Fig. 1 to Fig. 2, a kind of bridge extension joint with volute spring displacement control system, it is mainly used in highway
In bridge, it includes fixed case 2, displacement case 3, two side bars 8, the volute spring Bit andits control being symmetricly set in the beam body of both sides
System 10；Its institute of side bar 8 is loaded to be directly passed to beam body, and main function is protection beam body end concrete.Two side bars 8 it
Between be arranged with one or more central sill 6 in parallel, described side bar 8 and the lower end of central sill 6 are provided with support beam 1；Central sill 6 and side bar
8 can use welding or roll forming, central sill 6 be primarily subjected to vertically and horizontally to car load, and it is horizontal to be passed to support
On beam 1, the top surface of central sill 6 has certain skid resistance.Described fixed case 2 and displacement case 3 is cast in respectively by concrete
In the beam body of both sides.The fixed case 2 and displacement case 3 are connected to a fixed by welding with the side bar 8 in homonymy beam body respectively, institute
The support beam 1 stated is connected with fixed case 2 and displacement case 3 respectively by flexible member 5；Flexible member 5 is generally by rubber material
Material is formed.Described central sill 6 is connected by detachable U-shaped support frame 4 with flexible member 5.Between fixed case 2 and displacement case 3
It is connected by volute spring displacement control system 10.
Further, one layer of polytetrafluoroethylene (PTFE) material is provided between the flexible member 5 and the contact surface of support beam 1
Self-lubricating plate；To reduce force of sliding friction.
Referring to Fig. 3, specifically, being connected between neighbouring detachable U-shaped support frame 4 by bolt I 9；With foot
Enough rigidity and accurate physical dimension, the precompressed amount of flexible member 5 can be controlled.
Referring to Fig. 2, Fig. 4, described volute spring displacement control system 10 includes multiple cone rubbers 12, adjacent two
It is connected between cone rubber 12 by fixed plate 13 with bolt II 14, herein multiple are three or more than three.Taper rubber
Glue 11 is made of natural rubber or polyurethane rubber, and adjacent central sill is controlled by the compression of itself of cone rubber 11
The uniformity of slit width between 6.
Referring to Fig. 1, sealing joint strip 7 is provided between the adjacent central sill 6, between central sill 6 and side bar 8.
Referring to Fig. 1 to Fig. 2, the outside of side bar 8 of the side bar 8 of the fixed case 2 and homonymy, displacement case 3 and homonymy is set respectively
It is equipped with anchor structure；Be able to ensure that this retractor device and beam body firmly, it is stable be combined together, the institute that retractor device is born
There is load to be effectively transferred to beam body or abutment.
Referring to Fig. 1 to Fig. 2, when beam body is subjected to displacement, fixed case 2 together moves with beam body first, by adjacent thereto
Volute spring 12 transmit the force to corresponding central sill 6, drive central sill 6 to be subjected to displacement；Central sill 6 transmits the force to next cone
Shape spring 12, so as to drive adjacent central sill to move together.Because the volute spring of each position is cascaded structure on the whole, this
So that the transmission of power is very quick smooth between structure, the change of each seam slit width is almost simultaneous, so as to realize each seam
The control of slit width uniformity.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that specific implementation of the present utility model is confined to these explanations.For the ordinary skill of the utility model art
For personnel, without departing from the concept of the premise utility, some simple deduction or replace, said structure can also be made
The scope of protection of the utility model should be all considered as belonging to.
Claims (6)
1. a kind of bridge extension joint with volute spring displacement control system, including fixed case（2）, displacement case（3）, it is symmetrical
Two side bars being arranged in the beam body of both sides（8）, two side bars（8）Between be arranged with one or more central sill in parallel（6）, institute
The side bar stated（8）And central sill（6）Lower end is provided with support beam（1）, described fixed case（2）With displacement case（3）Pass through coagulation
Soil is cast in the beam body of both sides respectively, it is characterised in that：Also include volute spring displacement control system（10）, the fixation
Case（2）With displacement case（3）Respectively by welding and the side bar in homonymy beam body（8）It is connected to a fixed, described support beam（1）
Pass through flexible member（5）Respectively with fixed case（2）With displacement case（3）It is connected, described central sill（6）Pass through detachable U-shaped branch
Support（4）With flexible member（5）It is connected, fixed case（2）With displacement case（3）Between pass through volute spring displacement control system
（10）It is connected.
2. a kind of bridge extension joint with volute spring displacement control system according to claim 1, its feature exist
In：The flexible member（5）With support beam（1）Contact surface between be provided with the self-lubricating of one layer of polytetrafluoroethylene (PTFE) material
Plate.
3. a kind of bridge extension joint with volute spring displacement control system according to claim 1, its feature exist
In：Neighbouring detachable U-shaped support frame（4）Between pass through bolt I（9）It is connected.
4. a kind of bridge extension joint with volute spring displacement control system according to claim 1, its feature exist
In：Described volute spring displacement control system（10）Including multiple cone rubbers（12）, adjacent two cone rubbers（12）
Between pass through fixed plate（13）With bolt II（14）It is connected, herein multiple are three or more than three.
5. a kind of bridge extension joint with volute spring displacement control system according to claim 1, its feature exist
In：The adjacent central sill（6）Between, central sill（6）With side bar（8）Between be provided with sealing joint strip（7）.
6. a kind of bridge extension joint with volute spring displacement control system according to claim 1, its feature exist
In：The fixed case（2）With the side bar of homonymy（8）, displacement case（3）With the side bar of homonymy（8）Outside is respectively arranged with anchoring knot
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720686695.2U CN207109575U (en) | 2017-06-14 | 2017-06-14 | A kind of bridge extension joint with volute spring displacement control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720686695.2U CN207109575U (en) | 2017-06-14 | 2017-06-14 | A kind of bridge extension joint with volute spring displacement control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207109575U true CN207109575U (en) | 2018-03-16 |
Family
ID=61593383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720686695.2U Active CN207109575U (en) | 2017-06-14 | 2017-06-14 | A kind of bridge extension joint with volute spring displacement control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207109575U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107217590A (en) * | 2017-06-14 | 2017-09-29 | 武汉海润工程设备有限公司 | A kind of bridge extension joint with volute spring displacement control system |
-
2017
- 2017-06-14 CN CN201720686695.2U patent/CN207109575U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107217590A (en) * | 2017-06-14 | 2017-09-29 | 武汉海润工程设备有限公司 | A kind of bridge extension joint with volute spring displacement control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220130 Address after: No.88, Binhe North Road, hi tech Zone, Luoyang City, Henan Province Patentee after: LUOYANG SUNRUI SPECIAL EQUIPMENT Co.,Ltd. Address before: 430084 No.9 Wudong street, Qingshan District, Wuhan City, Hubei Province Patentee before: WUHAN HIRUN ENGINEERING EQUIPMENT Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.88, Binhe North Road, hi tech Zone, Luoyang City, Henan Province Patentee after: CSSC Shuangrui (Luoyang) special equipment Co.,Ltd. Address before: No.88, Binhe North Road, hi tech Zone, Luoyang City, Henan Province Patentee before: LUOYANG SUNRUI SPECIAL EQUIPMENT Co.,Ltd. |