CN208899319U - A kind of comb-tooth bridge expansion device - Google Patents
A kind of comb-tooth bridge expansion device Download PDFInfo
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- CN208899319U CN208899319U CN201820355067.0U CN201820355067U CN208899319U CN 208899319 U CN208899319 U CN 208899319U CN 201820355067 U CN201820355067 U CN 201820355067U CN 208899319 U CN208899319 U CN 208899319U
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Abstract
The utility model discloses one kind to have comprehensive multi-directional deflection, waterproof, anti-slag, noise reduction, debounce, uniform force, symmetric design, solid pours that security performance is high and the board-like telescopic device of bridge comb teeth with long service life.The telescopic device includes across tooth plate 3 in seam, is symmetricly set on the first plate across tooth plate in seam (3) two sides；Bit andits control component (5) below the first plate and middle tooth plate (3) is set, 4 upper end of elastic element is fixed at below middle tooth plate (3), elastic element (4) lower end is fixed at the middle part of Bit andits control crossbeam (5.1), each Bit andits control crossbeam (5) is connected with integral guarantee slit width synchronization and the adhesive tape seat board (6) for installing waterproof adhesive tape (7), the waterproof adhesive tape (7) between stainless steel plate (2) and adhesive tape seat board (6) is placed in as telescopic device and reliable draining water-proof function is provided.
Description
Technical field
The present invention relates to telescopic device more particularly to a kind of comb-tooth bridge expansion devices.
Background technique
The common comb-tooth-type steel plate telescopic device advantage and disadvantage of highway bridge are as follows at present: the first is the anti-skidding channel steel of comb teeth shape
Plate stretches out the intermeshing supporting type construction of floorings gap location from left and right, is junction of the edges of two sheets of paper formula structure, the telescopic device rigidity of structure needs
It asks larger, biggish horizontal force can be born, design stroke up to 420mm；Advantage: the building height of this telescopic device is low,
Installation is simple, can install in deck paving layer height, applied widely, can use on new, old bridge beam, especially to old
The replacement of bridge big displacement rubber slat telescopic device is particularly suitable, and low cost, price can be saved than modulus type big displacement telescopic device
About 20% or so；Road-ability is good, does not jump vehicle, noiseless；Modular design convenient transportation and installation.Disadvantage: rigid by structure
Degree influences, and design stroke should not be too large, and can only be adapted to the science of bridge building of medium and small stroke.Second is multi-directional deflection comb teeth
Formula steel plate telescopic device, big tooth plate lower end installation displacement support system, is combined into flute profile and engages and stretch across seam installation with small tooth plate
Device.This seed type telescopic device feature: more the height of bridge beam end can be followed to change self-adapting stretching space compared with the first
Ability, design displacement substantially without limitation；Road-ability is good, does not jump vehicle, noiseless；Modular design convenient transportation and peace
Dress.Disadvantage: telescopic device is at high cost, is higher than same type modular expansion device；Due to design have be placed in it is more inside slot area
To displacing system, telescopic device mounting process is complicated；Also because the structure of big and small toothed plate designs, so that telescopic device has installation
Directionality, and Bridge Design can not solve the problems, such as this for uniformity and aesthetic requirement substantially；More have for the flexible of big displacement
Device, this structure be easy to cause canine tooth slab warping, when so that automobile passing through, generates biggish noise and jumps vehicle, and influence flexible
The service life of device, in some instances it may even be possible to cause certain damage to automobile tire, the car crashes accidents such as overturning occur.
Therefore there is an urgent need to a kind of novel comb-tooth-type steel plate telescopic devices currently on the market, it is desirable that installation is simple, is applicable in model
It encloses extensively, can most importantly be further ensured that the service performance and durability of existing comb-tooth-type steel plate telescopic device, solve comb
The problem of tooth-like steel plate telescopic device is easy warpage due to sliding comb teeth steel plate under carload long term, thoroughly eliminates bridge
Beam gives security risk caused by traffic safety with comb-tooth-type steel plate telescopic device because steel plate upwarps, to guarantee broad masses of the people
Safety of life and property.
Summary of the invention
The present invention overcomes defect existing in the prior art, provides a kind of novel bridge telescopic device and bridge is flexible
The construction method of device.The novel bridge telescopic device can be realized multi-directional deflection function, while have waterproof and dustproof, noise abatement
With debounce and the technical effect upwarped, uniform force, the design of slot area is simple, is easily installed and replaces, and it is flexible to improve bridge
The service life and reliability of device.
The specific technical solution of the present invention is:
A kind of comb-tooth bridge expansion device, comprising:
Across tooth plate 3 in seam；
Heel teeth plate 1.1/1.2, the heel teeth plate are symmetricly set on across 3 two sides of tooth plate in seam；
First plate 2.1/2.2, the first plate 2.1/2.2 is fixed at the lower section of heel teeth plate 1.1/1.2；
Bit andits control component 5, the Bit andits control component 5 include Bit andits control crossbeam 5.1 and displacement controlling box
5.2, the lower section of the first plate 2.1/2.2 and middle tooth plate 3 is arranged in the Bit andits control component 5；
The two sides of the middle tooth plate 3 interlock with heel teeth plate 1.1/1.2 grafting respectively, described to be arranged across tooth plate 3 in seam
Above the first plate 2.1/2.2；
Elastic element 4,4 upper end of elastic element are fixed at middle 3 lower section of tooth plate, the elastic element
4 lower ends are fixed at the middle part of Bit andits control crossbeam 5.1.
It further, further include adhesive tape seat board 6, the adhesive tape seat board 6 is along vertical with Bit andits control crossbeam 5.1
Direction is fixed at the two sides of the elastic element 4；Waterproof adhesive tape 7, the waterproof adhesive tape 7 are removably attachable to
Between the first plate 2.1/2.2 and the adhesive tape seat board 6.
Further, the waterproof adhesive tape 7 and the first plate 2.1/2.2 and/or 6 snapping of adhesive tape seat board
Or it is glued.
Further, the elastic original part 4 by upper steel plate 4.1, lower steel plate 4.2 and is located at upper steel plate and lower steel plate
Between rubber bodies 4.3 constitute, the rubber bodies 4.3 are fixedly connected with upper steel plate 4.1 and lower steel plate 4.2.
Further, the rubber bodies 4.3 are vulcanized by rubber and at least two spaced steel plate stackings.
Card slot I 6.1 and/or the first plate 2.1/2.2 are provided on the further adhesive tape seat board 6 towards elasticity
The side of original part 4 is provided with card slot II 2.3.
Further, the both ends of the adhesive tape seat board 6 be respectively set can the sealed structure of shape, keep the bridge flexible
Device can join end to end along slot section length direction.
Further, both ends one end of the adhesive tape seat board 6 is flange, and the other end is groove, the flange and described
Groove can shape it is sealed.
Further, the Bit andits control component 5 corresponding with the bridge extension joint and the elastic element 4
Quantity is to be at least one.
Further, the adhesive tape seat board 6 is integrally formed along slot section length direction and is arranged.
Further, the Bit andits control component 5 further includes the compression support 5.3 in displacement box 5.2 and slides
Dynamic support 5.4, the upper and lower end face at the both ends of the Bit andits control crossbeam 5.1 support (5.3 and sliding support with compression respectively
5.4 phase sliding contacts setting, the upper surface for compressing support 5.3 are contacted with the fixation of 5.2 inner wall of displacement box, slidably support 5.4
Lower end surface is contacted with the fixation of 5.2 inner wall of displacement box.
The beneficial effects of the present invention are:
Bridge extension joint uses symmetrically across seam segmental structure, by intermediate middle tooth plate and the heel teeth positioned at middle tooth plate two sides
Plate constitutes symmetrical segmental structure, and the width of middle tooth plate can change accordingly with the difference of Bridge Design stroke,
To improve the adaptability of bridge extension joint；The independent design of middle tooth plate can also be convenient for its installation and the replacement in later period dimension
Shield.
Bridge extension joint is using symmetrical design, the reserved design convenient for Bridge Design teacher to the area bridge Jian Cao, and
The inconsistent to telescopic device bring impact force of direction of traffic can be reduced after mounting, improve making for bridge extension joint
Use life and reliability.
Middle tooth plate and Bit andits control crossbeam are by elastic element integrally connected, to realize the multidirectional change of bridge extension joint
Position and prevent the knock-on of middle tooth plate and upwarp.Elastic element has the ability of 360 ° of rotational deformations, therefore can realize that bridge is stretched
The multi-directional deflection function of compression apparatus.Elastic element is while assisting support across tooth plate in seam, allowable stress and pulling force, thus
While playing the role of damping noise reduction, the knock-on of middle tooth plate can be prevented and upwarped.
Independent adhesive tape seat board design, can cooperate with the command displacement of Bit andits control crossbeam, so that it is guaranteed that the area bridge Jian Cao is wide
The synchronization of degree.
Waterproof adhesive tape is detachably connected design, while the excellent water-proof drainage of offer and dust-proof anti-slag, when it is old
It, can be convenient for its replacement maintenance when change.
Slot area two sides be designed as it is solid pour, convenient for the installation of bridge extension joint, improve construction simplification, and can be improved
The reliability and service life that bridge extension joint uses.
Detailed description of the invention
In order to obtain above and other advantage and feature of the invention, tool of the invention shown in hereinafter reference will be made to the drawings
Body embodiment carries out more specific description to the present invention outlined above.It should be understood that these attached drawings illustrate only the present invention
Exemplary embodiments, therefore be not construed as limiting the scope of the present invention, by using attached drawing, the present invention will be carried out more
Specific and more detailed description and elaboration.
Fig. 1 is structural schematic diagram of the invention, and wherein left side is half-sectional view.
Fig. 2 is elastic element structure of the present invention and mechanical property schematic diagram.
Fig. 3 is adhesive tape seat board, elastic element and Bit andits control module position relational structure schematic diagram of the present invention.
Fig. 4 is that the present invention pours rear threedimensional model effect picture.
Fig. 5 is the present invention and slot cell relation schematic diagram.
Fig. 6 is that the present invention pours rear main view, embodies heel teeth plate and middle tooth plate positional relationship.
In attached drawing: 1.1/1.2- heel teeth plate, the first plate of 2.1/2.2-, tooth plate in 2.3- card slot II, 3-, 4- elastic element,
4.1- upper steel plate, 4.2- lower steel plate, 4.3- rubber bodies, 5- Bit andits control component, 5.1- Bit andits control crossbeam, 5.2- displacement box,
5.3- compresses support, 5.4- sliding support, 6- adhesive tape seat board, 6.1- card slot I, 7- waterproof adhesive tape, 8- reinforcing rib, the gap 9-, 10-
Slot area.
Specific embodiment
It is described below for disclosing the present invention so that those skilled in the art can be realized the present invention.It is excellent in being described below
Embodiment is selected to be only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.It defines in the following description
Basic principle of the invention can be applied to other embodiments, deformation scheme, improvement project, equivalent program and do not have
Away from the other technologies scheme of the spirit and scope of the present invention.
The invention discloses one kind to have comprehensive multi-directional deflection, waterproof, anti-slag, noise reduction, debounce, shock insulation, stress equal
Even, symmetric design, it is solid pour, security performance is high and comb-tooth-type bridge extension joint with long service life.
First embodiment
As shown in figures 1 to 6, a kind of comb-tooth bridge expansion device, comprising: across tooth plate 3 in seam；Heel teeth plate 1.1/1.2
The heel teeth plate is symmetricly set on across 3 two sides of tooth plate in seam；First plate 2.1/2.2, the first plate 2.1/2.2 fixation are set
It sets in the lower section of heel teeth plate 1.1/1.2；Bit andits control component 5, the Bit andits control component 5 include Bit andits control crossbeam
5.1 and displacement controlling box 5.2, the Bit andits control component 5 be arranged under the first plate 2.1/2.2 and middle tooth plate 3
Side；The two sides of the middle tooth plate 3 interlock with heel teeth plate 1.1/1.2 grafting respectively, described to be arranged across tooth plate 3 in seam in institute
It states above the first plate 2.1/2.2；Elastic element 4, the elasticity original part 4 is by upper steel plate 4.1, lower steel plate 4.2 and position
Rubber bodies 4.3 between upper steel plate and lower steel plate are constituted, the rubber bodies 4.3 and upper steel plate 4.1 and lower steel plate
4.2 vulcanizations are integrally formed.The upper steel plate 4.1 of the elastic element 4, which is spirally connected, is fixed at middle 3 lower section of tooth plate, described
The lower steel plate 4.2 of elastic element 4, which is spirally connected, is fixed at the middle part of Bit andits control crossbeam 5.1.
The middle tooth plate 3, heel teeth plate 1.1/1.2 and the first plate 2.1/2.2 is stainless steel plate or other are high-strength
Spend material.The heel teeth plate 1.1/1.2 and the first plate 2.1/2.2 welding is integral.
Bridge extension joint using it is symmetrical, across seam, segmental structure, by intermediate middle tooth plate and positioned at the side of middle tooth plate two sides
Tooth plate constitutes symmetrical segmental structure, and the width of middle tooth plate can make corresponding become with the of different size of the area bridge Jian Cao 10
Change, to improve the adaptability of bridge extension joint；The independent design of middle tooth plate can also be convenient for its installation and later period more
Change maintenance.Bridge extension joint convenient for the reserved of slot area 10, and can reduce driving using symmetrical design after mounting
The inconsistent of direction gives telescopic device bring impact force, improves the service life and reliability of bridge extension joint.
The rubber bodies 4.3 are vulcanized by rubber and at least two spaced steel plate stackings.The elasticity member
Part 4 has the deformability of 360 ° of rotations, is able to bear pressure and pulling force, and have the anti-aging of highway rubber slat support
Ability.
The middle tooth plate 3, by elastic element integrally connected, is filled with Bit andits control crossbeam 5 to realize that bridge is flexible
It the multi-directional deflection set and prevents the knock-on of middle tooth plate and upwarps.Elastic element has the ability of 360 ° of rotational deformations, therefore can
Realize the multi-directional deflection function of bridge extension joint.Elastic element is while assisting support across tooth plate in seam, allowable stress
And pulling force, to can prevent the knock-on of middle tooth plate while playing the role of damping noise reduction and upwarp
The comb-tooth bridge expansion device further includes adhesive tape seat board 6, and the adhesive tape seat board 6 is along horizontal with Bit andits control
The vertical direction of beam is fixed at the two sides of the elastic element 4, and fixed form is preferably welded；Waterproof adhesive tape 7, institute
Waterproof adhesive tape 7 is stated to be removably attachable between the first plate 2.1/2.2 and the adhesive tape seat board 6, preferably snapping or
It is cementing.Card slot I 6.1 and/or the first plate 2.1/2.2 are provided on the adhesive tape seat board 6 towards the one of elastic original part 4
Side is provided with card slot II 2.3.
Quantity one of the Bit andits control component 5 corresponding with the bridge extension joint and elastic element 4
Or it is more than two, preferably two, and symmetrically it is arranged at intervals on middle 3 lower section of tooth plate.
The Bit andits control component 5 further includes compression support 5.3 and sliding support in displacement box 5.2
5.4, the upper and lower end face at the both ends of the Bit andits control crossbeam 5.1 supports (5.3 and sliding support 5.4 phases cunning with compression respectively
Dynamic contact setting, the upper surface for compressing support 5.3 are contacted with the fixation of 5.2 inner wall of displacement box, slidably support 5.4 lower end surface and
The fixed contact of 5.2 inner wall of displacement box.
The bridge extension joint further includes the anchoring reinforcing rib 8 positioned at 1 lower section of heel teeth plate.The anchoring reinforcing rib 8 with
The heel teeth plate fixed setting, it is preferably integrally welded.
One end of the adhesive tape seat board 6 is flange, and the other end is groove, and the flange and the groove can shape locks
It closes.Adjacent bridge extension joint is rigidly connected by the sealed realization of shape of adhesive tape seat board end flange and groove, thus
Knockdown bridge extension joint component is obtained on the whole length direction of bridge extension joint, the bridge extension joint component
It may include multiple middle tooth plates 3, multiple corresponding elastic elements 4, Bit andits control component 5, heel teeth plate 1 and the first plate
2.1/2.2 。
Independent adhesive tape seat board designs and what head and the tail shape was sealed designs the installation and removal, it can be achieved that simple and convenient,
The displacement of Bit andits control crossbeam can be cooperateed with, so that it is guaranteed that the synchronization that bridge extension joint is wide.
Waterproof adhesive tape is detachably connected design, while the excellent water-proof drainage of offer and dust-proof anti-slag, when it is old
It, can be convenient for its replacement maintenance when change.
Second embodiment
Adhesive tape seat board 6 in the embodiment is integrally formed along bridge extension joint length direction to be arranged.Other structures are set
It sets consistent in embodiment.May include along the bridge telescopic component of bridge extension joint length direction installed
Multiple middle tooth plates 3, multiple corresponding elastic elements 4, Bit andits control component 5, heel teeth plate 1 and the first plate 2.1/2.2.
, mainly there is the following in the advantages of Bridge telescopic device of the present invention:
Bridge extension joint uses symmetrically across seam segmental structure, by intermediate middle tooth plate and the heel teeth positioned at middle tooth plate two sides
Plate constitutes symmetrical segmental structure, and the width of middle tooth plate can change accordingly with the difference of Bridge Design stroke,
To improve the adaptability of bridge extension joint；The independent design of middle tooth plate can also be convenient for its installation and the replacement in later period dimension
Shield.
Bridge extension joint convenient for the reserved design in the area Bridge Design Shi Duicao, and is being installed using symmetrical design
The inconsistent to telescopic device bring impact force of direction of traffic can be reduced later, improve the service life of bridge extension joint
And reliability.
Middle tooth plate and Bit andits control crossbeam are by elastic element integrally connected, to realize the multidirectional change of bridge extension joint
Position and prevent the knock-on of middle tooth plate and upwarp.Elastic element has the ability of 360 ° of rotational deformations, therefore can realize that bridge is stretched
The multi-directional deflection function of compression apparatus.Elastic element is while assisting support across tooth plate in seam, allowable stress and pulling force, thus
While playing the role of damping noise reduction, the knock-on of middle tooth plate can be prevented and upwarped.
Independent adhesive tape seat board design, can cooperate with the command displacement of Bit andits control crossbeam, so that it is guaranteed that bridge extension joint
Wide synchronization.
Waterproof adhesive tape is detachably connected design, while the excellent water-proof drainage of offer and dust-proof anti-slag, when it is old
It, can be convenient for its replacement maintenance when change.
Slot area two sides be designed as it is solid pour, convenient for the installation of bridge extension joint, improve construction simplification, and can be improved
The reliability and service life that bridge extension joint uses.
Claims (13)
1. a kind of comb-tooth bridge expansion device, which is characterized in that the comb-tooth bridge expansion device includes:
Across tooth plate in seam (3)；
Heel teeth plate, the heel teeth plate are symmetricly set on across tooth plate in seam (3) two sides；
First plate, first plate are fixed at the lower section of heel teeth plate；
Bit andits control component (5), the Bit andits control component (5) include Bit andits control crossbeam (5.1) and displacement controlling box
(5.2), the Bit andits control component (5) is arranged in the lower section of the first plate and middle tooth plate (3)；
The two sides of the middle tooth plate (3) interlock with heel teeth plate grafting respectively, described to be arranged across tooth plate in seam (3) in first plate
Top；
Elastic element (4), elastic element (4) upper end are fixed at below middle tooth plate (3), the elastic element (4)
Lower end is fixed at the middle part of Bit andits control crossbeam (5.1).
2. a kind of comb-tooth bridge expansion device as described in claim 1, which is characterized in that further include adhesive tape seat board (6), institute
State the two sides that adhesive tape seat board (6) are fixed at the elastic element (4) along the direction vertical with Bit andits control crossbeam (5.1)；
Waterproof adhesive tape (7), the waterproof adhesive tape (7) are removably attachable between first plate and the adhesive tape seat board (6).
3. a kind of comb-tooth bridge expansion device as claimed in claim 2, which is characterized in that the waterproof adhesive tape (7) and institute
State the first plate and/or adhesive tape seat board (6) snapping or splicing.
4. a kind of comb-tooth bridge expansion device as described in any one of claims 1-3, which is characterized in that the elastic element
(4) it is made of upper steel plate (4.1), lower steel plate (4.2) and the rubber bodies (4.3) between upper steel plate and lower steel plate, the rubber
Colloid (4.3) is fixedly connected with upper steel plate (4.1) and lower steel plate (4.2).
5. a kind of comb-tooth bridge expansion device as claimed in claim 4, which is characterized in that the rubber bodies (4.3) are by rubber
Glue and at least two spaced steel plate stackings vulcanize.
6. such as a kind of described in any item comb-tooth bridge expansion devices of claim 2-3, which is characterized in that the adhesive tape seat board
(6) card slot I(6.1 is provided on) and/or the side of the first plate towards elastic element (4) be provided with card slot II(2.3).
7. such as a kind of described in any item comb-tooth bridge expansion devices of claim 2-3, which is characterized in that the adhesive tape seat board
(6) both ends be respectively set can the sealed structure of shape, enable the bridge extension joint along slot section length direction head
Tail is connected.
8. a kind of comb-tooth bridge expansion device as claimed in claim 7, feature exist, the both ends of the adhesive tape seat board (6)
Portion one end is flange, and the other end is groove, the flange and the groove can shape it is sealed.
9. a kind of comb-tooth bridge expansion device as claimed in claim 8, which is characterized in that with the bridge extension joint phase
The quantity of the corresponding Bit andits control component (5) and the elastic element (4) is to be at least one.
10. such as a kind of described in any item comb-tooth bridge expansion devices of claim 2-3, which is characterized in that the adhesive tape seat
Plate (6) is integrally formed along slot section length direction to be arranged.
11. a kind of comb-tooth bridge expansion device as claimed in claim 10, which is characterized in that with the bridge extension joint
The quantity of the corresponding Bit andits control component (5) and the elastic element (4) is to be at least one.
12. a kind of comb-tooth bridge expansion device as claimed in claim 9, which is characterized in that the Bit andits control component (5)
It further include compression support (5.3) and sliding support (5.4) in displacement box (5.2), the Bit andits control crossbeam
(5.1) upper and lower end face at both ends is arranged with compression support (5.3) and sliding support (5.4) phase sliding contact respectively,
Upper surface and displacement box (5.2) the inner wall fixation for compressing support (5.3) contacts, the lower end surface of sliding support (5.4) and
The fixed contact of displacement box (5.2) inner wall.
13. a kind of comb-tooth bridge expansion device as claimed in claim 11, which is characterized in that the Bit andits control component
It (5) further include compression support (5.3) and sliding support (5.4) in displacement box (5.2), the Bit andits control is horizontal
The upper and lower end face at the both ends of beam (5.1) is set with compression support (5.3) and sliding support (5.4) phase sliding contact respectively
It sets, the upper surface for compressing support (5.3) is contacted with the fixation of displacement box (5.2) inner wall, slidably supports the lower end surface of (5.4)
It is contacted with the fixation of displacement box (5.2) inner wall.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820355067.0U CN208899319U (en) | 2018-03-15 | 2018-03-15 | A kind of comb-tooth bridge expansion device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820355067.0U CN208899319U (en) | 2018-03-15 | 2018-03-15 | A kind of comb-tooth bridge expansion device |
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| CN208899319U true CN208899319U (en) | 2019-05-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111676811A (en) * | 2020-05-26 | 2020-09-18 | 尉氏县通达公路养护工程有限公司 | Bridge expansion joint device |
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2018
- 2018-03-15 CN CN201820355067.0U patent/CN208899319U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111676811A (en) * | 2020-05-26 | 2020-09-18 | 尉氏县通达公路养护工程有限公司 | Bridge expansion joint device |
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