CN207109574U - Comb-tooth-type bridge extension joint - Google Patents
Comb-tooth-type bridge extension joint Download PDFInfo
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- CN207109574U CN207109574U CN201720552636.6U CN201720552636U CN207109574U CN 207109574 U CN207109574 U CN 207109574U CN 201720552636 U CN201720552636 U CN 201720552636U CN 207109574 U CN207109574 U CN 207109574U
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- anchor bolt
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Abstract
A kind of comb-tooth-type bridge extension joint of the utility model,The first adjacent and staggered relatively anchor bolt is fixed by some between seam fishback and the first bridge beam body,Shearing resistance spring is cased with first anchor bolt,Block rubber is provided between adjacent first anchor bolt,Shearing resistance spring is bonded with the upper surface of block rubber with across the lower surface of seam fishback,The second adjacent and staggered relatively anchor bolt is fixed by some between fixed broach plate and the second bridge beam body,Broach includes the first comb portion being sequentially connected,Second comb portion and the 3rd comb portion,The top surface of first comb portion and the second comb portion is horizontal plane,The two sides of first comb portion are parallel to each other,The first slope angle α is formed between the two sides of second comb portion,The second slope angle β is formed between the top surface and horizontal plane of 3rd comb portion,The 3rd slope angle γ is formed between the two sides of 3rd comb portion.The utility model has the function that damping, noise abatement while multi-directional deflection is met.
Description
Technical field
Bridge construction technology field is the utility model is related to, more particularly to a kind of comb-tooth-type bridge extension joint.
Background technology
In order to meet bridge beam body deformation needs, typically between two beam-ends of bridge, between beam-ends and abutment or
Bridge extension joint is fitted with the articulated position of bridge, at present, comb-tooth-type retractor device is because its is convenient for installation and maintenance, cost
It is low, widely used by highway bridge.
Traditional comb-tooth-type retractor device, though can meet multi-directional deflection, lacks damping and amortization, its noise using being rigidly connected
Greatly, loss is fast, easily jumps the defects of car, and the rupture on bridge floor road surface is easily caused under the impact of load, difference is caused to pontic
The injury of degree, while cause maintenance cost too high, frequency of maintenance is too high, influences communications and transportation；Moreover, traditional comb-tooth-type is stretched
For compression apparatus when realizing multi-directional deflection, its fishback complex structural designs, manufacturing procedure is cumbersome, and input cost is high.
Utility model content
The technical problems to be solved in the utility model is to provide one kind while multi-directional deflection is met, has damping, subtracts
Make an uproar the comb-tooth-type bridge extension joint of effect.
A kind of comb-tooth-type bridge extension joint of the utility model, including across seam fishback and fixed broach plate, it is described across seam
The broach of fishback and fixed broach plate intersects and has gap, described to be arranged on the first bridge across one end of seam fishback
In beam body, the other end is across the gap between first bridge beam body and the second bridge beam body and is arranged on second bridge
In beam body, the fixed broach plate is arranged in second bridge beam body,
It is described to anchor spiral shell to adjacent and staggered relatively first by some between seam fishback and the first bridge beam body
Bolt is fixed, and shearing resistance spring is cased with first anchor bolt, and block rubber is provided between adjacent first anchor bolt, described
Shearing resistance spring is bonded with the upper surface of block rubber with described across the lower surface of seam fishback, the fixed broach plate and the second bridge
The second adjacent and staggered relatively anchor bolt is fixed by some between beam beam body；
The broach includes the first comb portion, the second comb portion and the 3rd comb portion being sequentially connected, first broach
Portion and the top surface of the second comb portion are horizontal plane, and the two sides of first comb portion are parallel to each other, second comb portion
Two sides between form the first slope angle α, the second slope angle β, institute are formed between the top surface and horizontal plane of the 3rd comb portion
State and the 3rd slope angle γ is formed between the two sides of the 3rd comb portion.
The utility model comb-tooth-type bridge extension joint, wherein first anchor bolt is located at first bridge beam body
Interior, second anchor bolt is located in second bridge beam body.
The utility model comb-tooth-type bridge extension joint, wherein first anchor bolt and the second anchor bolt are L
Type anchor bolt.
The utility model comb-tooth-type bridge extension joint, wherein the first slope angle α is 1 °~35 °.
The utility model comb-tooth-type bridge extension joint, wherein the 3rd slope angle γ is 1 °~35 °.
The utility model comb-tooth-type bridge extension joint, wherein the 3rd slope angle γ is less than or equal to first slope angle
α。
The utility model comb-tooth-type bridge extension joint, wherein the second slope angle β is 1 °~20 °.
The utility model comb-tooth-type bridge extension joint, wherein between first bridge beam body and the second bridge beam body
Water proof rubber bar is provided with gap.
The utility model comb-tooth-type bridge extension joint, wherein first bridge beam body in the second bridge beam body with being all provided with
There are embedded ribs.
The utility model comb-tooth-type bridge extension joint, wherein described be integrated into across seam fishback with fixed broach plate
Type structure.
Compared with prior art, advantage possessed by the utility model and have the beneficial effect that：
(1) the utility model is set by being cased with shearing resistance spring on the first anchor bolt between adjacent first anchor bolt
Have a block rubber, shearing resistance spring is bonded with the upper surface of block rubber with across the lower surface of seam fishback, the utility model by
During external impacts, small floating can be produced in the presence of shearing resistance spring and rubber across seam fishback, has buffered fishback
Impulsive force between bridge beam body, the mechanical constraint between fishback and bridge beam body are changed into flexible constraint, have damping, subtract
The effect made an uproar, the driving comfort of driver is improved, moreover, shearing resistance spring is primarily subjected to uniaxial pressure, stress letter with block rubber
It is single, reliable in action；
(2) the utility model to the angle of the first slope angle α, the second slope angle β and the 3rd slope angle γ on broach only by setting
Determine and be combined with across the mounting structure of seam fishback, make corresponding horizontal turn of the realization between seam fishback and fixed broach plate
Angle and longitudinal corner, so that bridge extension joint realizes the rotation of multidirectional position, the structure of bridge extension joint is simplified, installed
Safeguard simple and convenient, cost-effective and process time.
Comb-tooth-type bridge extension joint of the present utility model is described further below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the top view of the utility model comb-tooth-type bridge extension joint；
Fig. 2 is Fig. 1 A-A sectional views；
Fig. 3 is the top view of broach in the utility model comb-tooth-type bridge extension joint；
Fig. 4 is the side view of broach in the utility model comb-tooth-type bridge extension joint；
Fig. 5 is the structural representation that fishback realizes level angle in the utility model comb-tooth-type bridge extension joint；
Fig. 6 is the structural representation that fishback realizes longitudinal corner in the utility model comb-tooth-type bridge extension joint；
Wherein：1st, the first bridge beam body；2nd, across seam fishback；3rd, fixed broach plate；4th, the second bridge beam body；5th, the second anchor
Fixing bolt；6th, water proof rubber bar；7th, shearing resistance spring；8th, block rubber；9th, the first anchor bolt；10th, embedded ribs；11st, broach；
1101st, the first comb portion；1102nd, the second comb portion；1103rd, the 3rd comb portion.
Embodiment
As shown in Figure 1-2, a kind of comb-tooth-type bridge extension joint of the utility model, including across seam fishback 2 and fixed comb
Tooth plate 3, intersected across the broach 11 of seam fishback 2 and fixed broach plate 3 and there is gap, across one end peace of seam fishback 2
In the first bridge beam body 1, the other end is across the gap between the first bridge beam body 1 and the second bridge beam body 4 and is arranged on
In second bridge beam body 4, fixed broach plate 3 be arranged on the second bridge beam body 4 on, across seam the bridge beam body 1 of fishback 2 and first it
Between the first adjacent and staggered relatively anchor bolt 9 is fixed by some, the first anchor bolt 9 is located at the first bridge beam body 1
It is interior, shearing resistance spring 7 is cased with the first anchor bolt 9, is provided with block rubber 8 between adjacent first anchor bolt 9, shearing resistance spring 7 with
The upper surface of block rubber 8 is bonded with across the lower surface of seam fishback 2, is passed through between the bridge beam body 4 of fixed broach plate 3 and second
Some that the second adjacent and staggered relatively anchor bolt 5 is fixed, the second anchor bolt 5 is located in the second bridge beam body 4, and first
The anchor bolt 5 of anchor bolt 9 and second is L-type anchor bolt；
Water proof rubber bar 6 is provided with gap between first bridge beam body 1 and the second bridge beam body 4, water proof rubber bar 6
Both ends are respectively equipped with bending part, and water proof rubber bar 6 is installed on the first bridge beam body 1 and the second bridge beam body by bending part respectively
On 4, ensure the installation steadiness between water proof rubber bar 6 and bridge beam body, prevent water proof rubber bar 6 because of the flexible dress of bridge
Put the phenomenon to be come off when by external impacts by vibrations；
Embedded ribs 10 are equipped with first bridge beam body 1 and the second bridge beam body 4, embedded ribs 10 are that bridge beam body is being built
When the screw-thread steel reserved, there is firm bridge beam body；
Specific installation process of the present utility model is：Bridge beam body is mainly made up of pontic and cast-in-place concrete, is being poured
The first anchor bolt 9 and the second anchor bolt 5 are embedded on pontic first during concrete, poured, is stayed in advance when pouring
Shearing resistance spring 7, is then enclosed on the first anchor bolt 9 by good shearing resistance spring groove and block rubber groove, and block rubber 8 is put into block rubber
In groove, and block rubber 8 and shearing resistance spring 7 are compressed, after the completion of compression, installed across seam fishback 2, and will be across seam with nut
Fishback 2 is locked, equally, installation fixed broach plate 3, and and locked fixed broach plate 3 with nut.
The utility model is set by being cased with shearing resistance spring 7 on the first anchor bolt 9 between adjacent first anchor bolt 9
There is block rubber 8, shearing resistance spring 7 is bonded with the upper surface of block rubber 8 with across the lower surface of seam fishback 2, due to shearing resistance spring 7
With the elastic reaction of block rubber 8, minute protrusions are had when mounted across seam fishback 2, when retractor device is by external impacts
When, small floating can be produced in the presence of shearing resistance spring 7 and rubber across seam fishback 2, has buffered fishback and bridge
Impulsive force between beam body, the mechanical constraint between fishback and bridge beam body are changed into flexible constraint, have damping, the effect of noise abatement
Fruit, the driving comfort of driver is improved, moreover, shearing resistance spring 7 is primarily subjected to uniaxial pressure with block rubber 8, stress is simple, moves
Make reliable.
As shown in Figure 3-4, broach 11 includes the first comb portion 1101, the second comb portion 1102 and the 3rd comb being sequentially connected
The top surface of teeth portion 1103, the first comb portion 1101 and the second comb portion 1102 is horizontal plane, the both sides of the first comb portion 1101
Face is parallel to each other, and the first comb portion 1101 is square or rectangular parallelepiped structure, is located at interval on fishback plate body；
The first slope angle α is formed between the two sides of second comb portion 1102, wherein, the first slope angle α be 1 °~35 °, first
Slope angle α can be integrally formed using flame cutting machine with the outline of fishback；
The second slope angle β, the both sides of the 3rd comb portion 1103 are formed between the top surface and horizontal plane of 3rd comb portion 1103
The 3rd slope angle γ is formed between face, wherein, the 3rd slope angle γ is 1 °~35 °, and the 3rd slope angle γ is less than or equal to first slope
Angle α, the 3rd slope angle γ can be integrally formed using flame cutting machine with the outline of fishback, and the second slope angle β is 1 °~20 °, should
Second slope angle β can use milling machine or machining center to be processed；
First slope angle α, the second slope angle β and the 3rd slope angle γ angle are chosen at guarantee and combed across seam fishback 2 with fixed
Chosen between tooth plate 3 on the premise of tightness and fastness according to bridge extension joint actual installation environment；
Wherein, the material of fishback is Q345b steel plates, and its intensity and wearability are good.
Broach 11 is mutually handed in normal engagement across the broach 11 on seam fishback 2 with the broach 11 on fixed broach plate 3
Mistake engages and has gap；
The utility model is when horizontally rotating, as shown in figure 5, by the first slope angle α's and the 3rd slope angle γ
Angle initialization, the second comb portion 1102 and the 3rd comb portion 1103 of broach 11 are corresponded to on fixed broach plate 3 across seam fishback 2
Side there is certain gap, make to form relative position between the broach 11 and broach 11 on seam fishback 2 and fixed broach plate 3
Move, horizontally rotate so as to realize, the angular range horizontally rotated is -1 °~+1 °；
The utility model, as shown in fig. 6, by the setting to the second slope angle β, makes the 3rd broach when being longitudinally rotated
The top surface in portion 1103 is buffering suface, after broach 11 turns to certain angle, buffering suface as horizontal plane, make across seam fishback 2 with
Corresponding broach 11 forms relative dislocation on fixed broach plate 3, is longitudinally rotated so as to realize, prevents caused by becoming due to special form
Harm caused by road pavement traffic safety, the angular range longitudinally rotated are -0.3 °~+0.3 °；
The utility model only passes through the angle initialization to the first slope angle α, the second slope angle β and the 3rd slope angle γ on broach 11
And be combined with across the mounting structure of seam fishback 2, make the corresponding realization between seam fishback 2 and fixed broach plate 3 horizontal
Corner and longitudinal corner, so that bridge extension joint realizes the rotation of multidirectional position, the structure of bridge extension joint is simplified, pacified
Dress safeguards simple and convenient, cost-effective and process time.
Embodiment described above is only that preferred embodiment of the present utility model is described, not to this practicality
New scope is defined, and on the premise of the utility model design spirit is not departed from, those of ordinary skill in the art are to this
The various modifications and improvement that the technical scheme of utility model is made, the protection of the utility model claims book determination all should be fallen into
In the range of.
Claims (10)
1. a kind of comb-tooth-type bridge extension joint, including across seam fishback and fixed broach plate, it is described across seam fishback and fixation
The broach of fishback intersects and has gap, described to be arranged on across one end of seam fishback in the first bridge beam body, another
End is described across the gap between first bridge beam body and the second bridge beam body and in second bridge beam body
Fixed broach plate is arranged in second bridge beam body, it is characterised in that：
It is described that the first adjacent and staggered relatively anchor bolt is consolidated by some between seam fishback and the first bridge beam body
It is fixed, shearing resistance spring is cased with first anchor bolt, block rubber, the shearing resistance are provided between adjacent first anchor bolt
Spring is bonded with the upper surface of block rubber with described across the lower surface of seam fishback, the fixed broach plate and the second Bridge Beam
The second adjacent and staggered relatively anchor bolt is fixed by some between body；
The broach includes the first comb portion, the second comb portion and the 3rd comb portion that are sequentially connected, first comb portion with
The top surface of second comb portion is horizontal plane, and the two sides of first comb portion are parallel to each other, the two of second comb portion
The first slope angle α is formed between side, forms the second slope angle β between the top surface and horizontal plane of the 3rd comb portion, described
The 3rd slope angle γ is formed between the two sides of three comb portions.
2. comb-tooth-type bridge extension joint according to claim 1, it is characterised in that：First anchor bolt is located at institute
State in the first bridge beam body, second anchor bolt is located in second bridge beam body.
3. comb-tooth-type bridge extension joint according to claim 1, it is characterised in that：First anchor bolt and second
Anchor bolt is L-type anchor bolt.
4. comb-tooth-type bridge extension joint according to claim 1, it is characterised in that：The first slope angle α be 1 °~
35°。
5. the comb-tooth-type bridge extension joint according to claim 1 or 4, it is characterised in that：The 3rd slope angle γ is 1 °
~35 °.
6. comb-tooth-type bridge extension joint according to claim 5, it is characterised in that：The 3rd slope angle γ is less than or waited
In the first slope angle α.
7. comb-tooth-type bridge extension joint according to claim 5, it is characterised in that：The second slope angle β be 1 °~
20°。
8. comb-tooth-type bridge extension joint according to claim 1, it is characterised in that：First bridge beam body and second
Water proof rubber bar is provided with gap between bridge beam body.
9. the comb-tooth-type bridge extension joint according to claim 1 or 8, it is characterised in that：First bridge beam body with
Embedded ribs are equipped with second bridge beam body.
10. comb-tooth-type bridge extension joint according to claim 1, it is characterised in that：It is described across seam fishback and fixation
Fishback is integrated formed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720552636.6U CN207109574U (en) | 2017-05-15 | 2017-05-15 | Comb-tooth-type bridge extension joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720552636.6U CN207109574U (en) | 2017-05-15 | 2017-05-15 | Comb-tooth-type bridge extension joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207109574U true CN207109574U (en) | 2018-03-16 |
Family
ID=61593823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720552636.6U Active CN207109574U (en) | 2017-05-15 | 2017-05-15 | Comb-tooth-type bridge extension joint |
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| Country | Link |
|---|---|
| CN (1) | CN207109574U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108330806A (en) * | 2018-03-28 | 2018-07-27 | 华侨大学 | The steel-that compoiste adhering anchors shear connections knot mixes combined beam structure and production method |
| CN110453597A (en) * | 2019-07-16 | 2019-11-15 | 刘力源 | The synchronous displacement comb-shaped expansion device of shearing resistance shock insulation assembled |
| CN114150574A (en) * | 2021-12-23 | 2022-03-08 | 张和平 | Spring support type bridge expansion joint structure |
-
2017
- 2017-05-15 CN CN201720552636.6U patent/CN207109574U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108330806A (en) * | 2018-03-28 | 2018-07-27 | 华侨大学 | The steel-that compoiste adhering anchors shear connections knot mixes combined beam structure and production method |
| CN110453597A (en) * | 2019-07-16 | 2019-11-15 | 刘力源 | The synchronous displacement comb-shaped expansion device of shearing resistance shock insulation assembled |
| CN110453597B (en) * | 2019-07-16 | 2024-02-27 | 武汉耐久伸缩工程有限公司 | Shearing-resistant vibration-isolating assembled synchronous deflection comb-shaped telescopic device |
| CN114150574A (en) * | 2021-12-23 | 2022-03-08 | 张和平 | Spring support type bridge expansion joint structure |
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