CN110144816A - A kind of expansion gap device with non-motor vehicle anti-sunken function - Google Patents
A kind of expansion gap device with non-motor vehicle anti-sunken function Download PDFInfo
- Publication number
- CN110144816A CN110144816A CN201910536871.8A CN201910536871A CN110144816A CN 110144816 A CN110144816 A CN 110144816A CN 201910536871 A CN201910536871 A CN 201910536871A CN 110144816 A CN110144816 A CN 110144816A
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- fishback
- cover board
- limit
- comb teeth
- motor vehicle
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- 125000006850 spacer group Chemical group 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 9
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 244000126211 Hericium coralloides Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000004925 denaturation Methods 0.000 description 1
- 230000036425 denaturation Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/06—Arrangement, construction or bridging of expansion joints
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/06—Arrangement, construction or bridging of expansion joints
- E01D19/065—Joints having sliding plates
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Connection Of Plates (AREA)
Abstract
A kind of expansion gap device with non-motor vehicle anti-sunken function, the cover board for being used to cover the first comb teeth gap and the second comb teeth gap is equipped in the top of the first fishback and the second fishback, the region that is interspersed of the first fishback and the second fishback is covered in the middle part of cover board, the side of cover board is covered on the first fishback and by the limit of the first limit assembly on the first fishback, the other side of cover board is covered on the second fishback and by the limit of the second limit assembly on the second fishback, and, it can be relatively movable between cover board and the first fishback or/and between cover board and the second fishback.The present invention has the advantages that the expansion gap device by cover board be covered on the first fishback and the second fishback on can prevent wheel card jail or fall between comb teeth, and, due to can be relatively movable between cover board and the first fishback or/and between cover board and the second fishback, to will not influence the Telescopic of expansion gap device after installing cover board, in addition, cover board installation and removal are very convenient.
Description
Technical field
The present invention relates to a kind of bridge extension joints, more particularly, to a kind of expansion joint with non-motor vehicle anti-sunken function
Device.
Background technique
Currently, bridge extension joint used in science of bridge building has many structures, wherein relatively conventional is comb teeth shape
Bridge extension joint.For comb teeth shape bridge extension joint, in order to guarantee carrying and the anti-crawl agentdefiection denaturation energy of device comb part, comb
Each comb teeth in toothing need to maintain one fixed width size, since comb teeth is interlaced distribution, thus cause between comb teeth
Gap it is also larger, the problem of thus bringing is may when non-motor vehicle (bicycle or electric vehicle of especially narrow wheel-type) passes through
It will appear the phenomenon that wheel is fallen into from the gap between comb teeth, influence traffic safety.The collapsible wheel of non-motor vehicle in order to prevent
Enter in the gap of comb teeth, generally carries out the improvement in structure by reducing the gap of adjacent fingers at present, still, institute as above
It states, after comb teeth gap reduces, the width dimensions of each comb teeth also need accordingly to become smaller, thus will lead to the comb part of telescopic device
Carrying and anti-crawl agentdefiection become reduced performance, and then bring hidden danger to bridge security.Some expansion gap devices use the structure of anti-sunken steel plate,
Anti-sunken steel plate one end directly and across seam tooth plate is welded and fixed, and the other end rides on fixed tooth plate, since anti-sunken steel plate only has one end
Fixed, when passing through small-sized non-motor vehicle and bicycle, anti-sunken steel plate amplitude is big, and unlocked end easily tilts, and influences traffic safety,
And anti-sunken steel plate is easy to damage, and maintenance is inconvenient.Although in addition, at present some improved bridge extension joints can prevent it is non-
The wheel of motor vehicle is fallen into, but influences whether the Telescopic of bridge extension joint in use, and then reduces flexible dress
The service life set also brings along adverse effect to bridge security.In conclusion needing to make into one existing expansion gap device
Step is improved.
Summary of the invention
The technical problem to be solved by the present invention is to be directed to above-mentioned state of the art, a kind of installation, convenient disassembly are provided
And it will not influence the expansion gap device with non-motor vehicle anti-sunken function of expansion joint normal work after the installation of anti-sunken cover board.
The technical scheme of the invention to solve the technical problem is: this has the flexible of non-motor vehicle anti-sunken function
Device is stitched, the first fishback and the second fishback including interlaced distribution and energy relative telescopic, first fishback
The first comb teeth gap is formed between each comb teeth, and the second comb teeth gap, feature are formed between each comb teeth of second fishback
It is: is equipped in the top of first fishback and the second fishback and is used to cover first comb teeth gap and the second comb teeth
The cover board in gap, is covered on the region that is interspersed of the first fishback and the second fishback in the middle part of the cover board, and the one of cover board
Side is covered on the first fishback and by the limit of the first limit assembly on the first fishback, and the other side of cover board is covered on the
On two fishbacks and by the second limit assembly limit on the second fishback, also, between cover board and the first fishback or/and
It can be relatively movable between cover board and the second fishback.
The normal work of expansion gap device is influenced in order to make cover board not, the side of the cover board is fixed on first comb teeth
On plate, the other side of the cover board is activity cooperation with the second fishback and makes to be only capable of longitudinal phase between cover board and the second fishback
To movement.In this way, the cover board other side is limited completely in a vertical direction, deform it is smaller, be not used only it is safer, and
Conducive to improving service life.
Further preferably, first limit assembly is protruded into first comb teeth gap and is fixed on the first fishback,
Second limit assembly protrudes into second comb teeth gap and can be with the longitudinally opposed movement of the second fishback.
First limit assembly can be there are many mounting means, it is preferable that first limit assembly include the first limited post,
Spacer pin, clamping screw and latch, first limited post are fixed on the bottom of the cover board and are embedded in first comb
In backlash, vertical through holes are provided on the first limited post, the spacer pin there are two and is separately fixed at first limited post
Two sides, the lower end of spacer pin extends downwardly below the first fishback, and the clamping screw passes through described vertical from top to bottom
Through-hole, and the head of clamping screw extends downwardly below the first fishback, the latch is mounted on the clamping screw
Head and be located at first fishback lower section, and latch be able to rotate under the drive of clamping screw to described in two
Spacer pin offsets.
Latch can have a variety of structures, it is preferable that the latch is strip, in the locked condition, latch
Length direction of the length direction perpendicular to the first fishback, and the limit of the left and right sides of latch length direction and respective side
Pin offsets.
In order to enable latch to be preferably locked on the first fishback, first is formed at the top of first limited post
Cavity, first cavity bottom are equipped with butterfly spring, and the clamping screw passes through the butterfly spring, the tail of clamping screw
Portion compresses the butterfly spring, is sequentially installed with washer and split pin, and institute from top to bottom on the head of the clamping screw
State the lower section that washer is located at the latch.
In order to enable cover board Fast Installation in place, limit angle steel, the limit are also equipped in the bottom of the cover board
The outside that angle steel is located at first limited post limits in the first comb teeth gap.
Second limit assembly can have a variety of structures, it is preferable that second limit assembly includes the second limited post and circle
Bolt is bored, second limited post is fixed on the bottom of the cover board and is embedded in second comb teeth gap, the second limit
The top of column has vertical screw hole, and the lower part two sides of the second limited post have the outward position limit arm of energy, the circular cone bolt
It is threaded on the vertical screw hole, the conical head of circular cone bolt is inserted between two position limit arms, the bottom of the position limit arm
Convex is equipped with limited block on the outside of portion, and the item being caught in for the limited block is provided in the opposing sidewalls of second fishback
Shape limiting slot, and the bar limit slot is along the length direction horizontal distribution of the second fishback.In this way, cover board is vertically complete
Full limit, can only make longitudinally opposed movement relative to the second fishback.
Further preferably, it is provided with the second cavity at the top of second limited post, is moved downward in the circular cone bolt
To in the state of offseting with the second cavity bottom, the limited block of the position limit arm is caught in the bar limit slot.
As the preferred of any of the above-described scheme, first fishback is transverse joint plate, and second fishback is fixed plate.
In this way, cover board is just fixed on transverse joint plate, and the longitudinally opposed movement of cover board energy opposing fixed plate.
Compared with the prior art, the advantages of the present invention are as follows: the expansion gap device in the first fishback and second by combing
The top of tooth plate is equipped with the cover board for being used to cover the first comb teeth gap and the second comb teeth gap, and cover board can prevent wheel card jail or sunken
Enter between comb teeth, it is ensured that small-sized non-motor vehicle and bicycle traffic safety.Also, due between cover board and the first fishback or/and
Can be relatively movable between cover board and the second fishback, thus will not influence the Telescopic of expansion gap device after cover board is installed, this
Outside, not only mounting structure is secured, reliable for the expansion gap device, long service life, and maintenance easy to disassemble.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the adjacent two cover plates of the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the embodiment of the present invention；
Fig. 4 is sectional view along A-A in Fig. 3；
Fig. 5 is the enlarged diagram of C portion in Fig. 4；
Fig. 6 is the enlarged diagram of the part D in Fig. 4；
Fig. 7 is the enlarged diagram of the part E in Fig. 4；
Fig. 8 is the enlarged diagram of the part F in Fig. 4；
Fig. 9 is B-B direction cross-sectional view in Fig. 3 (longitudinal not lock)；
Figure 10 is B-B direction cross-sectional view in Fig. 3 (longitudinal to have locked)；
Figure 11 is the structural schematic diagram of the first limit assembly of the embodiment of the present invention；
Figure 12 is the structure sectional view of the first limited post of the embodiment of the present invention；
Figure 13 is the structural schematic diagram of the second limit assembly of the embodiment of the present invention；
Figure 14 is the structure sectional view of the second limited post of the embodiment of the present invention.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
As shown in figs. 1 to 14, the expansion gap device with non-motor vehicle anti-sunken function of the present embodiment, including mutually hand over
The first fishback 1 and the second fishback 2 of mistake distribution and energy relative telescopic, wherein the first fishback 1 is transverse joint plate, the second comb
Tooth plate 2 is fixed plate.Form the first comb teeth gap 3 between each comb teeth of first fishback 1, each comb teeth of the second fishback 1 it
Between form the second comb teeth gap 4.Above structure is identical as existing expansion gap device, is not unfolded to describe herein.It is of course also possible to adopt
It is fixed plate with the first fishback 1, the second fishback 2 is the structure of transverse joint plate.
It is equipped in the top of the first fishback 1 and the second fishback 2 and is used to cover between the first comb teeth gap 3 and the second comb teeth
The cover board 5 of gap 4, cover board 5 use steel plate.The middle part of cover board 5 is covered on being interspersed for the first fishback 1 and the second fishback 2
Region, the side of cover board 5 are covered on the first fishback 1 and by the limit of the first limit assembly 6 on the first fishback 1, lid
The other side of plate 5 is covered on the second fishback 2 and by the limit of the second limit assembly 7 on the second fishback 2.The present embodiment
In, it is fixedly connected between the side of cover board 5 and the first fishback 1, is living between second side of cover board 5 and the second fishback 2
Dynamic cooperation, and cover board 5 and the second fishback 2 are only capable of in longitudinally opposed movement, as shown in figure 3, longitudinal length for referring to fishback
Spend direction.Specifically, the first limit assembly 6 is fixed on 5 bottom of cover board, and the first limit assembly 6 protrudes into the first comb teeth gap 3
And fix on the first fishback 1, the second limit assembly 7 is fixed on 5 bottom of cover board, and the second limit assembly 7 protrudes into the second comb teeth
And it can be with the longitudinally opposed movement of the second fishback 2 in gap 4.
In the present embodiment, the first limit assembly 6 includes the first limited post 61, spacer pin 62, clamping screw 63, latch
64, butterfly spring 65, washer 66 and split pin 67.Wherein, the first limited post 61 is welded on the bottom of cover board 5 and is embedded in first
In comb teeth gap 3, the size of the first limited post 61 is selected according to the size in the first comb teeth gap 3.It is opened on first limited post 61
There are vertical through holes 611, spacer pin 62 there are two and is separately fixed at the two sides of the first limited post 61, and the lower end of spacer pin 62 is downward
Stretch out in 1 lower section of the first fishback；Clamping screw 63 is interior hexagonal clamping screw, passes through vertical through holes 611 from top to bottom, and
The head of clamping screw 63 is extended downwardly in 1 lower section of the first fishback；Latch 64 is mounted on the head of clamping screw 63 and position
In the lower section of the first fishback 1, and latch 64 is able to rotate to two spacer pins 62 under the drive of clamping screw 63 and offsets.
In the present embodiment, latch 64 is strip, and under non-locking state, the length direction of latch 64 is parallel to the first fishback
1 length direction, in the locked condition, the length direction of latch 64 and are locked perpendicular to the length direction of the first fishback 1
The left and right sides of 64 length direction of tight plate and the spacer pin 62 of respective side offset.
In addition, the top of the first limited post 61 forms the first cavity 612, butterfly spring 65 is mounted on the first cavity 612
Bottom, clamping screw 63 pass through butterfly spring 65, and the tail portion of clamping screw 63 compresses butterfly spring 65, washer 66 and split pin 67
It is mounted on the head of clamping screw 63, washer 66 is located at the lower section of latch 64, and split pin 67 is located at the lower section of washer 66.Cover board
5 bottom is also equipped with limit angle steel 8, and the outside that limit angle steel 8 is located at the first limited post 61 limits in the first comb teeth gap 3
It is interior, the size of limit angle steel 8 is selected according to the first comb teeth gap 3.
Second limit assembly 7 of the present embodiment includes the second limited post 71 and circular cone bolt 72.Wherein, the second limited post 71
It is fixed on the bottom of cover board 5 and is embedded in the second comb teeth gap 4.The top of second limited post 71 has vertical screw hole 711, the
The top of two limited posts 71 is provided with the second cavity 714, and the lower part two sides of the second limited post 71 have can outward position limit arm
712.Circular cone bolt 72 is interior hexagonal circular cone bolt, and circular cone bolt 72 is threaded on vertical screw hole 711, circular cone bolt 72
Conical head 721 is inserted between two position limit arms 712.The bottom outside convex of position limit arm 712 is equipped with limited block 713, the
Be provided with bar limit slot 21 in the opposing sidewalls of two fishbacks 2, bar limit slot 21 along the second fishback 2 length direction water
Divide cloth equally, bar limit slot 21 is used to be caught in for limited block 713.
When installation, as shown in Fig. 3, Fig. 9 and Figure 10, firstly, the latch 64 of the first limit assembly 6 along vertical bridge to setting,
First limited post 61 is inserted into the first comb teeth gap 3 that the first fishback 1 is transverse joint plate, and the second limited post 71 is inserted into the second comb teeth
Plate 2 is in the second comb teeth gap 4 of fixed plate；Then, clamping screw 63 is tightened, latch 64 rotates 90 ° and 62 phase of spacer pin
It just can not be continued to rotate after supporting, continue to tighten clamping screw 63, latch 64 can only be gradually increasing along screw thread, until with the first comb
The bottom surface of tooth plate 1 offsets and compresses the first fishback 1, at this point, the first limited post 61 is just completely fixed with the first fishback 1；
Then, gradually tighten circular cone bolt 72, opened on the outside of 712 phase of position limit arm, when circular cone bolt 72 move downwardly to it is second recessed
In the state that 714 bottom of chamber offsets, the limited block 713 of 712 bottom of position limit arm enters the Horizontal limiting of 2 side of the second fishback
In slot 21, in this way, the second limited post 71 is limited completely in the vertical direction with the second fishback 2, the second limited post 71 and
Two fishbacks 2 can only be in longitudinally opposed displacement.
In use, since the first limited post 61 and the i.e. transverse joint plate of the first fishback 1 have been completely fixed, when the first fishback 1
When displacement, cover board 5 is also with 1 synchronous shift of the first fishback.Since the second limited post 71 and the second fishback 2 are the water of fixed plate
Flat 21 activity cooperation of limiting slot, when the displacement of the first fishback 1, the second limited post 71 can only produce along longitudinal direction with the second fishback 2
Raw relative displacement.It will not influence expansion gap device normal work as a result, and the deformation of cover board 5 is smaller, use is safer.
Claims (10)
1. a kind of expansion gap device with non-motor vehicle anti-sunken function, first including interlaced distribution and energy relative telescopic
Fishback (1) and the second fishback (2) form the first comb teeth gap (3), institute between each comb teeth of first fishback (1)
It states and forms the second comb teeth gap (4) between each comb teeth of the second fishback (1), it is characterised in that: in first fishback (1)
The cover board for being used to cover first comb teeth gap (3) and the second comb teeth gap (4) is equipped with the top of the second fishback (2)
(5), the region that is interspersed of the first fishback (1) Yu the second fishback (2), cover board (5) are covered in the middle part of the cover board (5)
Side be covered on the first fishback (1) and by the first limit assembly (6) limit on the first fishback (1), cover board (5)
The other side be covered on the second fishback (2) and by the second limit assembly (7) limit on the second fishback (2), also,
It can be relatively movable between cover board (5) and the first fishback (1) or/and between cover board (5) and the second fishback (2).
2. the expansion gap device according to claim 1 with non-motor vehicle anti-sunken function, it is characterised in that: the cover board
(5) side is fixed on first fishback (1), and the other side of the cover board (5) is matched with the second fishback (2) for activity
It closes and makes to be only capable of longitudinally opposed movement between cover board (5) and the second fishback (2).
3. the expansion gap device according to claim 2 with non-motor vehicle anti-sunken function, it is characterised in that: described first
Limit assembly (6) is protruded into first comb teeth gap (3) and is fixed on the first fishback (1), second limit assembly (7)
It protrudes into second comb teeth gap (4) and can be with the second fishback (2) longitudinally opposed movement.
4. the expansion gap device according to claim 3 with non-motor vehicle anti-sunken function, it is characterised in that: described first
Limit assembly (6) includes the first limited post (61), spacer pin (62), clamping screw (63) and latch (64), first limit
Position column (61) is fixed on the bottom of the cover board (5) and is embedded in first comb teeth gap (3), on the first limited post (61)
It is provided with vertical through holes (611), the spacer pin (62) has two and is separately fixed at the two sides of first limited post (61), limit
The lower end of position pin (62) extends downwardly below the first fishback (1), and the clamping screw (63) passes through described perpendicular from top to bottom
It is extended downwardly below the first fishback (1) to the head of through-hole (611), and clamping screw (63), latch (64) peace
Head mounted in the clamping screw (63) and the lower section positioned at first fishback (1), and latch (64) is in locking screw
It is able to rotate under the drive of bolt (63) to spacer pin (62) described in two and is offseted.
5. the expansion gap device according to claim 4 with non-motor vehicle anti-sunken function, it is characterised in that: the locking
Plate (64) is strip, in the locked condition, the length side of the length direction of latch (64) perpendicular to the first fishback (1)
To, and the left and right sides of latch (64) length direction and the spacer pin (62) of respective side offset.
6. the expansion gap device according to claim 4 with non-motor vehicle anti-sunken function, it is characterised in that: described first
It being formed at the top of limited post (61) the first cavity (612), the first cavity (612) bottom is equipped with butterfly spring (65),
The clamping screw (63) passes through the butterfly spring (65), and the tail portion of clamping screw (63) compresses the butterfly spring
(65), it is sequentially installed with washer (66) and split pin (67), and the pad from top to bottom on the head of the clamping screw (63)
Circle (66) is located at the lower section of the latch (64).
7. the expansion gap device according to claim 4 with non-motor vehicle anti-sunken function, it is characterised in that: in the lid
The bottom of plate (5) is also equipped with limit angle steel (8), and limit angle steel (8) is located at the outer lateral confinement of first limited post (61)
Position is in the first comb teeth gap (3).
8. the expansion gap device according to claim 3 with non-motor vehicle anti-sunken function, it is characterised in that: described second
Limit assembly (7) includes the second limited post (71) and circular cone bolt (72), and second limited post (71) is fixed on the cover board
(5) bottom is simultaneously embedded in second comb teeth gap (4), and the top of the second limited post (71) has vertical screw hole (711),
The lower part two sides of second limited post (71) have the outward position limit arm (712) of energy, and the circular cone bolt (72) is threadedly coupled
On the vertical screw hole (711), the conical head (721) of circular cone bolt (72) is inserted between two position limit arms (712), described
The bottom outside convex of position limit arm (712) is equipped with limited block (713), opens in the opposing sidewalls of second fishback (2)
There is the bar limit slot (21) being caught in for the limited block (713), and the bar limit slot (21) is along the second fishback
(2) length direction horizontal distribution.
9. the expansion gap device according to claim 8 with non-motor vehicle anti-sunken function, it is characterised in that: described
It is provided with the second cavity (714) at the top of two limited posts (71), is moved downwardly to and the second cavity in the circular cone bolt (72)
(714) in the state that bottom offsets, the limited block (713) of the position limit arm (712) is caught in the bar limit slot (21).
10. there is the expansion gap device of non-motor vehicle anti-sunken function according to any claim in claim 2 to 9,
It is characterized by: first fishback (1) is transverse joint plate, second fishback (2) is fixed plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910536871.8A CN110144816A (en) | 2019-06-20 | 2019-06-20 | A kind of expansion gap device with non-motor vehicle anti-sunken function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910536871.8A CN110144816A (en) | 2019-06-20 | 2019-06-20 | A kind of expansion gap device with non-motor vehicle anti-sunken function |
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| Publication Number | Publication Date |
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| CN110144816A true CN110144816A (en) | 2019-08-20 |
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ID=67595995
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910536871.8A Pending CN110144816A (en) | 2019-06-20 | 2019-06-20 | A kind of expansion gap device with non-motor vehicle anti-sunken function |
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| CN (1) | CN110144816A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110886210A (en) * | 2019-12-16 | 2020-03-17 | 内江师范学院 | Bridge expansion joint width adjusting device |
| CN111705639A (en) * | 2020-06-03 | 2020-09-25 | 上海市城市建设设计研究总院（集团）有限公司 | Large-displacement comb tooth expansion device with cover plate for walking of pedestrians and non-motor vehicles |
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| CN204849575U (en) * | 2015-01-22 | 2015-12-09 | 宁波路宝科技实业集团有限公司 | Prevention sinking type bridge telescoping device |
| CN105421228A (en) * | 2016-01-14 | 2016-03-23 | 宁波路宝科技实业集团有限公司 | Bridge expansion joint device |
| CN206189262U (en) * | 2016-10-28 | 2017-05-24 | 上海申嘉湖高速公路养护管理有限公司 | A big displacement expansion joint for bridge |
| CN108071073A (en) * | 2016-11-10 | 2018-05-25 | 扬州市环球花盆厂 | A kind of bridge maintaining dam |
| CN207314134U (en) * | 2017-09-29 | 2018-05-04 | 衡水旗舰桥隧橡塑有限公司 | Shallow embedding formula Multidirectional displacement bridge expansion device |
| CN108999079A (en) * | 2018-09-14 | 2018-12-14 | 中建市政工程有限公司 | A kind of bridge expansion joint installation adapting to multi-directional deflection |
| CN210657975U (en) * | 2019-06-20 | 2020-06-02 | 路宝高分子材料科技有限公司 | Expansion joint device with non-motor vehicle sinking prevention function |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110886210A (en) * | 2019-12-16 | 2020-03-17 | 内江师范学院 | Bridge expansion joint width adjusting device |
| CN111705639A (en) * | 2020-06-03 | 2020-09-25 | 上海市城市建设设计研究总院（集团）有限公司 | Large-displacement comb tooth expansion device with cover plate for walking of pedestrians and non-motor vehicles |
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