CN202247676U - Extension joint device of assembled tooth type multi-directional deflection combing plate - Google Patents
Extension joint device of assembled tooth type multi-directional deflection combing plate Download PDFInfo
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- CN202247676U CN202247676U CN2011203116406U CN201120311640U CN202247676U CN 202247676 U CN202247676 U CN 202247676U CN 2011203116406 U CN2011203116406 U CN 2011203116406U CN 201120311640 U CN201120311640 U CN 201120311640U CN 202247676 U CN202247676 U CN 202247676U
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Abstract
The utility model discloses an extension joint device of an assembled tooth type multi-directional deflection combing plate, which comprises a rotation shaft seat, a rotation shaft, a moving comb tooth plate, a fixed comb tooth plate and a base plate, wherein the moving comb tooth plate comprises moving comb teeth and a moving plate which are connected, the moving comb teeth of the moving comb tooth plate and fixed comb teeth of the fixed comb tooth plate are crossed and are arranged at intervals, the moving comb teeth of the moving comb tooth plate are formed by movably connecting a plurality of sections of assembled short teeth through a pin shaft, and the fixed comb teeth of the fixed comb tooth plate are formed by movably connecting a plurality of sections of assembled short teeth through a pin shaft. With the adoption of the extension joint device, the processing difficulty of comb teeth can be reduced, and the comb teeth are convenient to process; the assembled short teeth can release stress of the moving comb teeth and the fixed comb teeth, long teeth are prevented from being broken, and anchoring members are prevented from falling off by pulling; and with the arrangement of the assembled short teeth, the corner and the torsional deflection of the whole bridge are uniformly distributed into a plurality of unit tooth modules, and the multi-directional deflection of the bridge is really realized.
Description
Technical field
The utility model relates to the expansion gap device of bridge, refers to the tooth-like multi-directional deflection comb plate, comb joint of a kind of assembling expansion gap device particularly.
Background technology
For satisfying the requirement of bridge deformation, high-grade highway and bridge all need at seam crossing stretching device to be set when building.Along with the development of communication, increasingly high to the requirement of comfortableness, the safety of driving, reliability, traditional hair boots class and the seamless stretching device of elasticity all can not satisfy the requirement of high-grade highway and bridge.
In existing bridge expansion joint installation, the comb shape stretching device that adopts fixed fingers plate and movable comb plate to cooperate is a kind of preferably, is especially using in the large bridge shrinkage joint of amount of contraction more than 160mm.
But; In the super-huge bridge of stroke more than 500mm at shrinkage joint; The beam body deflection deformation especially severe that the vehicular load effect causes, upwarping of portable plate is also more severe, even causes portable plate, broach also to upwarp, break away from the beam body in the lump; Meet vehicle weight this moment again, will cause the damage of whole stretching device.And traditional comb plate is a rigid teeth, and easy quilt fractures.When beam-ends generation vertical corner, comb plate can be with the beam-ends perk, and wheel rolls the back and produces the broach fracture, and anchoring such as pulls at phenomenon.
In addition; Super-huge drag-line bridge in vogue in recent years; When bridge at load and inside and outside other under power effect, the end of beam body multidirectional deformation such as also exists and reverse vertical, horizontal, oblique simultaneously except the vertical corner distortion; In this case, in the past various expansion gap devices all can't satisfy the requirement of high-grade highway and bridge.
The utility model content
The purpose of the utility model will overcome the existing in prior technology deficiency exactly, provide a kind of broach not easy fracture, can satisfy the tooth-like multi-directional deflection comb plate, comb joint of the assembling expansion gap device of beam body multi-directional deflection.
For realizing above-mentioned purpose; The tooth-like multi-directional deflection comb plate, comb joint of the assembling that the utility model designed expansion gap device; Comprise shaft seat, rotating shaft, movable comb plate, fixed fingers plate and base plate; Said movable comb plate comprises movable broach and the portable plate that is connected; The movable broach of said movable comb plate and the mutual transpostion interval setting of the fixed fingers of fixed fingers plate, the movable broach of said movable comb plate is flexibly connected through bearing pin by the short tooth of more piece assembling, and the fixed fingers of said fixed fingers plate is flexibly connected through bearing pin by the short tooth of more piece assembling.
Preferably, the said adjacent short tooth of two joint assemblings passes through the bearing pin flexible connection of horizontal direction or vertical direction.The adjacent short tooth of two joint assemblings both can be to connect through bearing pin in the horizontal direction, also can be to connect through bearing pin in vertical direction, like this, can satisfy the vertical or horizontal displacement of beam body.
Preferably, the short tooth of said assembling is 1～2 ° around the angle that bearing pin rotates.
Preferably; The bottom of the end that said portable plate is connected with movable broach is provided with hemispheric rotor; The other end of said portable plate is equipped with rotating shaft; The groove that is provided with on the exterior semi-spherical surface of said rotor and the portable plate matches, and said rotor is fixedly connected with portable plate through screw, and the bottom surface of said rotor is the plane that closely contacts with said base plate.Like this, when the beam body vertically was subjected to displacement, movable comb plate rotated around the axis to satisfy the needs of vertical displacement, and rotor makes device be close to beam-ends simultaneously, prevents that movable broach is with the beam-ends perk.
Preferably, said rotating shaft is installed between shaft seat and the movable comb plate in the corresponding groove, and the cylindrical outer surface of said rotating shaft matches with the groove of shaft seat, and said rotating shaft is fixedly connected with the end of movable comb plate.
Preferably, also be provided with beam between said movable comb plate and the shaft seat.
Preferably, the bottom of said movable comb plate is inlaid with the wearing plate with the base plate sliding-contact.Like this, wearing plate that movable comb plate is inlayed and base plate form kinematic pair, guarantee shrinkage joint longitudinal stretching compression movement.
The beneficial effect of the utility model is:
1) difficulty of processing of reduction broach splits into the short tooth of assembling that number saves equidimension with original long tooth, is convenient to processing, and for the expansion gap device of big displacement quantity, this advantage is more obvious;
2) the short tooth of assembling has flexibility, can the releasing activity broach and fixed fingers stressed, avoided long tooth fracture and anchoring piece pulls the generation of phenomenon;
3) each joint tooth of the short tooth of assembling all has certain corner; Can realize freely that rotate on the plane and vertical the rotation; The corner and the torsional deflection of whole bridge are assigned in several unit tooth modules uniformly, and the unlimited needs that satisfy the bridge displacement are really realized the multi-directional deflection performance.
Description of drawings
Fig. 1 is the overall structure sketch map of the tooth-like multi-directional deflection comb plate, comb joint expansion gap device of assembling.
Fig. 2 is the structure for amplifying sketch map of I part among Fig. 1.
Fig. 3 is the structural representation of movable comb plate among Fig. 1.
Fig. 4 is the A-A sectional structure sketch map among Fig. 3.
Fig. 5 is the B-B sectional structure sketch map among Fig. 4.
Fig. 6 is the C-C sectional structure sketch map among Fig. 4.
Fig. 7 is the D-D sectional structure sketch map among Fig. 4.
Fig. 8 is the structural representation of the tooth-like multi-directional deflection comb plate, comb joint expansion gap device lateral rotation state of assembling.
Fig. 9 is the structural representation of the tooth-like multi-directional deflection comb plate, comb joint expansion gap device lateral displacement state of assembling.
Figure 10 is the structural representation of the tooth-like multi-directional deflection comb plate, comb joint expansion gap device longitudinal extension state of assembling.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is done further to describe in detail.
The tooth-like multi-directional deflection comb plate, comb joint of assembling shown in Fig. 1～7 expansion gap device comprises shaft seat 1, rotating shaft 2, movable comb plate 3, fixed fingers plate 4, base plate 5.Movable comb plate 3 comprises the movable broach 3.1 and portable plate 3.2 that is connected, the movable broach 3.1 of movable comb plate 3 and the fixed fingers 4.1 mutual transpostion interval settings of fixed fingers plate 4.The movable broach 3.1 of said movable comb plate 3 is flexibly connected through bearing pin 3.1.2 by the short tooth 3.1.1 of more piece assembling.The fixed fingers 4.1 of fixed fingers plate 4 is flexibly connected through bearing pin 4.1.2 by the short tooth 4.1.1 of more piece assembling.The adjacent short tooth 3.1.1 of two joint assemblings, 4.1.1 flexibly connect through bearing pin 3.1.2, the 4.1.2 of horizontal direction or vertical direction.The short tooth 3.1.1 of assembling, 4.1.1 are 1～2 ° around the angle that bearing pin 3.1.2,4.1.2 rotate.The bottom of the end that portable plate 3.2 is connected with movable broach 3.1 is provided with hemispheric rotor 6; The other end of portable plate 3.2 is equipped with rotating shaft 2; The groove that is provided with on the exterior semi-spherical surface of rotor 6 and the portable plate 3.2 matches; Rotor 6 is fixedly connected with portable plate 3.2 through screw, and the bottom surface of rotor 6 is the plane that closely contacts with base plate 5.Rotating shaft 2 is installed between shaft seat 1 and the movable comb plate 3 in the corresponding groove, and the cylindrical outer surface of rotating shaft 2 matches with the groove of shaft seat 1, and rotating shaft 2 is fixedly connected with the end of movable comb plate 3.Also be provided with beam 7 between movable comb plate 3 and the shaft seat 1.The bottom of movable comb plate 3 is inlaid with the wearing plate 8 with base plate 5 sliding-contacts.
The course of work of the utility model is following:
This is assembled tooth-like multi-directional deflection comb plate, comb joint expansion gap device be arranged between the bridge expanssion joint two curb girder bodies 9, movable comb plate 3 is separately positioned on the two curb girder bodies 9 according to above-mentioned syndeton with fixed fingers plate 4.
(1) longitudinal extension campaign
Corrosion resistant plate forms kinematic pair on wearing plate 8 that inlay movable comb plate 3 bottoms and the base plate 5, makes the tooth-like multi-directional deflection comb plate, comb joint expansion gap device longitudinal stretching compression movement of assembling, and its state is shown in figure 10.
(2) lateral rotation
As shown in Figure 8; Because the broach of expansion gap device adopts the short toothing of assembling; When the flat transverse rotation took place beam body 9, the short tooth 3.1.1 of assembling, 4.1.1 each bearing pin 3.1.2,4.1.2 relatively took place to rotate accordingly, to satisfy the needs that beam body 9 flat transverse are rotated.
(3) lateral displacement
As shown in Figure 9, because the broach of expansion gap device adopts the short toothing of assembling, when lateral displacement took place beam body 9, the corresponding rotation took place in the short tooth 3.1.1 of assembling, 4.1.1 each bearing pin 3.1.2,4.1.2 relatively, to satisfy the needs of beam body 9 transverse movements.
(4) the vertical rotation
Under the effect of vehicular load and temperature, vertical displacement can take place in beam body 9, and the vertical displacement of rotating can take place promptly movable comb plate 3.
Because movable comb plate 3 bottoms are provided with semicircle rotor 6,9 of portable plate 3.2 and beam bodies are provided with rotating shaft 2.When beam body 9 vertically was subjected to displacement, portable plate 3.2 2 rotated around the shaft, and to satisfy the needs of vertical displacement, simultaneously, rotor 6 makes portable plate 3.2 be close to beam-ends with tight contact of base plate 5, prevents that movable broach 3.1 is with the beam-ends perk.
Claims (7)
1. one kind is assembled tooth-like multi-directional deflection comb plate, comb joint expansion gap device; Comprise shaft seat (1), rotating shaft (2), movable comb plate (3), fixed fingers plate (4), base plate (5); Said movable comb plate (3) comprises movable broach (3.1) and the portable plate (3.2) that is connected; The movable broach (3.1) of said movable comb plate (3) and the transpostion interval setting each other of the fixed fingers (4.1) of fixed fingers plate (4); It is characterized in that: the movable broach (3.1) of said movable comb plate (3) is flexibly connected through bearing pin (3.1.2) by the more piece short tooth of assembling (3.1.1), and the fixed fingers (4.1) of said fixed fingers plate (4) is flexibly connected through bearing pin (4.1.2) by the more piece short tooth of assembling (4.1.1).
2. the tooth-like multi-directional deflection comb plate, comb joint of assembling according to claim 1 expansion gap device is characterized in that: the bearing pin (3.1.2,4.1.2) that the said two adjacent joint short teeth of assembling (3.1.1,4.1.1) pass through horizontal direction or vertical direction flexibly connects.
3. the tooth-like multi-directional deflection comb plate, comb joint of assembling according to claim 1 and 2 expansion gap device is characterized in that: the short tooth of said assembling (3.1.1,4.1.1) is 1～2 ° around the angle that bearing pin (3.1.2,4.1.2) rotates.
4. the tooth-like multi-directional deflection comb plate, comb joint of assembling according to claim 1 expansion gap device; It is characterized in that: the bottom of the end that said portable plate (3.2) is connected with movable broach (3.1) is provided with hemispheric rotor (6); The other end of said portable plate (3.2) is equipped with rotating shaft (2); The exterior semi-spherical surface of said rotor (6) goes up the groove that is provided with portable plate (3.2) and matches; Said rotor (6) is fixedly connected with portable plate (3.2) through screw, and the bottom surface of said rotor (6) is the plane that closely contacts with said base plate (5).
5. according to claim 1 or the tooth-like multi-directional deflection comb plate, comb joint of 4 described assemblings expansion gap device; It is characterized in that: said rotating shaft (2) is installed between shaft seat (1) and the movable comb plate (3) in the corresponding groove; The cylindrical outer surface of said rotating shaft (2) matches with the groove of shaft seat (1), and said rotating shaft (2) is fixedly connected with the end of movable comb plate (3).
6. the tooth-like multi-directional deflection comb plate, comb joint of assembling according to claim 5 expansion gap device is characterized in that: also be provided with beam (7) between said movable comb plate (3) and the shaft seat (1).
7. the tooth-like multi-directional deflection comb plate, comb joint of assembling according to claim 1 expansion gap device is characterized in that: the bottom of said movable comb plate (3) is inlaid with the wearing plate (8) with base plate (5) sliding-contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203116406U CN202247676U (en) | 2011-08-25 | 2011-08-25 | Extension joint device of assembled tooth type multi-directional deflection combing plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203116406U CN202247676U (en) | 2011-08-25 | 2011-08-25 | Extension joint device of assembled tooth type multi-directional deflection combing plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202247676U true CN202247676U (en) | 2012-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203116406U Expired - Lifetime CN202247676U (en) | 2011-08-25 | 2011-08-25 | Extension joint device of assembled tooth type multi-directional deflection combing plate |
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| CN (1) | CN202247676U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104727219A (en) * | 2015-04-03 | 2015-06-24 | 衡水布朗科技有限公司 | Modularized multi-directional shifting comb-shaped bridge expansion device |
| CN105568849A (en) * | 2015-12-17 | 2016-05-11 | 衡水橡胶股份有限公司 | Comb type bridge expansion device with adaption to multi-directional displacement |
| CN106894334A (en) * | 2017-04-17 | 2017-06-27 | 中铁第四勘察设计院集团有限公司 | A kind of expansion gap device for large span magnetic floating traffic bridge |
| CN109357649A (en) * | 2018-11-16 | 2019-02-19 | 浙江全华实业有限公司 | A kind of test platform for bridge expansion joint installation |
| CN112129620A (en) * | 2020-09-29 | 2020-12-25 | 中铁工程装备集团有限公司 | Pipe joint loading test distribution beam, test device and test method |
-
2011
- 2011-08-25 CN CN2011203116406U patent/CN202247676U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104727219A (en) * | 2015-04-03 | 2015-06-24 | 衡水布朗科技有限公司 | Modularized multi-directional shifting comb-shaped bridge expansion device |
| CN105568849A (en) * | 2015-12-17 | 2016-05-11 | 衡水橡胶股份有限公司 | Comb type bridge expansion device with adaption to multi-directional displacement |
| CN106894334A (en) * | 2017-04-17 | 2017-06-27 | 中铁第四勘察设计院集团有限公司 | A kind of expansion gap device for large span magnetic floating traffic bridge |
| CN109357649A (en) * | 2018-11-16 | 2019-02-19 | 浙江全华实业有限公司 | A kind of test platform for bridge expansion joint installation |
| CN109357649B (en) * | 2018-11-16 | 2024-03-01 | 宁波路宝交通设施有限公司 | Test platform for bridge expansion joint device |
| CN112129620A (en) * | 2020-09-29 | 2020-12-25 | 中铁工程装备集团有限公司 | Pipe joint loading test distribution beam, test device and test method |
| CN112129620B (en) * | 2020-09-29 | 2024-05-17 | 中铁工程装备集团有限公司 | Pipe joint loading test distribution beam, test device and test method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |
|
| CX01 | Expiry of patent term |