CN110607744A - Road bridge extending structure for preventing vehicle bump at bridge head - Google Patents
Road bridge extending structure for preventing vehicle bump at bridge head Download PDFInfo
- Publication number
- CN110607744A CN110607744A CN201910906488.7A CN201910906488A CN110607744A CN 110607744 A CN110607744 A CN 110607744A CN 201910906488 A CN201910906488 A CN 201910906488A CN 110607744 A CN110607744 A CN 110607744A
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- Prior art keywords
- bridge
- connecting seat
- bearing plate
- road
- preventing vehicle
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- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 16
- 230000003139 buffering effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000005728 strengthening Methods 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
- E01D19/08—Damp-proof or other insulating layers; Drainage arrangements or devices ; Bridge deck surfacings
- E01D19/083—Waterproofing of bridge decks; Other insulations for bridges, e.g. thermal ; Bridge deck surfacings
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to a road and bridge telescopic structure for preventing vehicle bump at the bridge head, belonging to the technical field of building structures and bridge road and bridge engineering, the key point of the technical scheme is a road bridge telescopic structure for preventing vehicle bump at the bridge head, which comprises a bridge body, wherein the bridge body comprises a first bridge and a second bridge, a gap is arranged between the first bridge and the second bridge, and the joint of the first bridge and the second bridge with the gap is respectively provided with a first open slot and a second open slot, a first connecting seat and a second connecting seat are respectively and fixedly arranged above the first open slot and the second open slot, bearing plates are arranged on the first connecting seat and the second connecting seat, the bearing plates are erected above the gap of the bridge body, and be provided with flexible subassembly between loading board and the pontic, flexible subassembly horizontal direction sets up, flexible subassembly both ends respectively with loading board and pontic fixed connection, reach the effect that prevents the first bump car condition of bridgehead and take place.
Description
Technical Field
The invention relates to the technical field of building structures and bridge road and bridge engineering, in particular to a road and bridge telescopic structure for preventing vehicle bump at the bridge head.
Background
The bridge is an indispensable facility for road traffic, and in order to ensure that the bridge span structure can freely deform according to a static force diagram under the influence of factors such as temperature change, concrete shrinkage and creep, load action and the like and ensure that vehicles stably pass through, expansion joints are arranged between two adjacent beam ends and between the beam ends and a bridge abutment back wall, and a telescopic device is arranged at the expansion joints.
The existing Chinese patent with reference to publication No. CN103669202A discloses a road bridge expansion joint structure, which comprises an inverted T-shaped plate member with an inverted T-shaped section along the longitudinal direction of the bridge; the two wing plates of the inverted T-shaped plate component transversely extend into the base body of the bridge deck pavement layer, the web plate upwards extends to be flush with the upper surface of the bridge deck pavement layer, a cushion layer and a protective wear-resistant layer are sequentially paved on the wing plates from bottom to top and are longitudinally jointed with the bridge deck pavement layer, and the expansion joint notch and the two sides are filled with elastic layers for sealing.
The above prior art solutions have the following drawbacks: above-mentioned road bridge expansion joint structure horizontal direction's effort when can't slow down the vehicle and pass through the expansion joint in the use, the great frictional force of vehicle causes serious wearing and tearing to the expansion joint structure, causes the vehicle to go and takes place the phenomenon of jumping when this bridge strides structure position department, influences driving safety.
Disclosure of Invention
The invention aims to provide a road and bridge telescopic structure for preventing vehicle bump at the bridge head, which is characterized in that a bearing plate is arranged between bridge bodies, and the bearing plate and the bridge bodies are connected by using a telescopic assembly, so that the friction force of vehicles running on the bridge bodies on the expansion joint structure in the horizontal direction is counteracted, the expansion joint is protected from being damaged, and the effect of preventing the vehicle bump at the bridge head is achieved.
The technical purpose of the invention is realized by the following technical scheme:
the utility model provides a prevent way bridge extending structure of bridgehead bump car, includes the pontic, and the pontic includes first bridge and second bridge, has the gap between first bridge and the second bridge, and first bridge and second bridge are provided with first fluting and second fluting with gap linking department respectively, first fluting, second slotted top have set firmly first connecting seat and second connecting seat respectively, are provided with the loading board on first connecting seat and the second connecting seat, and the loading board erects in the top in the gap of pontic, and is provided with the telescopic component between loading board and the pontic, and the telescopic component horizontal direction sets up, the both ends of telescopic component respectively with loading board and pontic fixed connection.
Through the technical scheme, when the road and bridge telescopic structure for preventing the vehicle bump at the bridge head is constructed, the first bridge and the second bridge which are reserved with the first open groove and the second open groove are oppositely arranged at intervals, then the first connecting seat and the second connecting seat are respectively arranged on the first open groove and the second open groove and are fixed, then the bearing plate is arranged on the first connecting seat and the second connecting seat, the telescopic component is arranged between the bearing plate and the bridge body, when a vehicle runs over the bridge body and the bearing plate, the vehicle applies horizontal friction force to the bearing plate, the bearing plate after receiving the friction force moves towards the direction close to the bridge body, the telescopic component arranged between the bearing plate and the bridge body is used for offsetting the horizontal friction force generated by the vehicle to the bearing plate, so that the connecting structure and the connecting stability between the bearing plate and the bridge body are protected, and the serious abrasion of the expansion joint structure caused by the friction force is reduced, the expansion joint is protected from being damaged, and the effect of preventing the vehicle bump at the bridge head is achieved.
The invention is further configured to: the telescopic assembly comprises two sleeves, two sliding rods, a connecting rod and a spring which are coaxially arranged; the two sleeves are fixedly connected with the bearing plate and the bridge body respectively, the spring is arranged in the sleeves, the two slide rods are inserted into the two sleeves respectively and are abutted against the spring, and the connecting rod fixedly connects one ends of the two slide rods, which are far away from the spring.
Through the technical scheme, two sleeve pipes respectively with the loading board, the pontic rigid coupling, the connecting rod is with two slide bar fixed connection, then place the spring at the intraductal, and place two slide bars respectively in two sleeve pipes, and make the slide bar deviate from the one end and the spring butt of connecting rod, when the vehicle was gone from pontic and loading board, the vehicle drove the loading board and takes place to remove towards the direction that is close to the pontic, the intraductal slide bar compression spring of cover is used for slowing down the frictional force that the vehicle brought in arranging, and then play the effect of protection expansion joint, reach the effect that prevents to take place the first bumping of a bridge circumstances.
The invention is further configured to: two the sheathed tube inner wall ball joint is provided with the ball, and the circumference face and the ball butt of slide bar link to each other.
Through above-mentioned technical scheme, the slide bar inserts in the sleeve, and the circumference face of slide bar sets up with the ball butt in the sleeve, and when the slide bar slided in the sleeve, the ball reduced the frictional force between slide bar and the sleeve, improved the convenience that the slide bar removed in the sleeve, improved flexible subassembly's result of use.
The invention is further configured to: the lower part of the bearing plate is fixedly provided with a rubber plate, and the bottom of the rubber plate is fixedly connected with the first connecting seat and the second connecting seat.
Through above-mentioned technical scheme, the rubber slab sets up between loading board and first connecting seat, second connecting seat, when the vehicle was gone over from the loading board, can give a vertical decurrent pressure of loading board, and the rubber slab can take place micro deformation and slow down the vehicle and give the pressure with the loading board, plays the absorbing effect of buffering, strengthens the guard action to the loading board simultaneously.
The invention is further configured to: the bearing plate is provided with a buffer device, and the buffer device comprises a stress plate, a support rod and a ball; stress plate level sets up inside the loading board, bracing piece and stress plate's both sides rigid coupling, and the bracing piece sets up downwards along the direction slope of keeping away from stress plate, and the gyro wheel rotates and sets up in the bottom of bracing piece.
Through above-mentioned technical scheme, when the vehicle was gone from the pontic and the loading board, the stress board bears the pressure that the vehicle brought, bracing piece and stress board rigid coupling, the bracing piece drives the ball and removes towards the direction of keeping away from the stress board, buffer is used for slowing down the pressure of vehicle to the loading board, the pressure that the loading board bore is slowed down to the edgewise, further protect the connection structure between loading board and the pontic, offset the frictional force that the vehicle brought the expansion joint structure, the protection expansion joint is not destroyed, further reduce the emergence of the first bumping of a bridge condition.
The invention is further configured to: and guide grooves are formed in the positions, opposite to the balls, of the first connecting seat and the second connecting seat.
Through above-mentioned technical scheme, when buffer decompressed the loading board, the ball that rotates to be connected with the bracing piece rolls in the guide way on first connecting seat and second connecting seat, and the guide way plays the effect of direction to first connecting seat and second connecting seat, improves buffer's stability in the use.
The invention is further configured to: and an elastic piece is arranged in the guide groove.
Through above-mentioned technical scheme, the ball in the guide way links to each other with the elastic component butt, and when the bracing piece drove the ball and removed, the ball compressed elastic component, and the deformation of elastic component plays the effect of buffering to the ball, and the restoring force of elastic component plays the effect that promotes to the ball, further improves the stability of buffer in the use.
The invention is further configured to: and a waterproof strip is arranged between the bearing plate and the bridge body and is arranged above the telescopic assembly.
Through above-mentioned technical scheme, set up the water-stop strip between loading board and pontic for stop that the rainwater flows into inside loading board and the pontic, prevent to damage the connection structure between loading board and the pontic, strengthen the connection structure between loading board and the pontic, improve the connection structure's between loading board and the pontic life, the protection expansion joint is not destroyed, reduces the condition that the bridgehead jumped the car.
In conclusion, the beneficial technical effects of the invention are as follows:
1. the telescopic assembly is arranged between the bearing plate and the bridge body and is used for offsetting the friction force of a vehicle on the bearing plate in the horizontal direction, reducing the serious abrasion of the friction force on the expansion joint structure, protecting the expansion joint from being damaged and further achieving the effect of preventing the vehicle bump at the bridge head;
2. the ball is arranged on the inner wall of the sleeve in a ball hinge mode, the sliding rod is inserted into the sleeve, the circumferential surface of the sliding rod is abutted to the ball in the sleeve, the ball reduces the friction force between the sliding rod and the sleeve, the convenience and the stability of the sliding rod moving in the sleeve are improved, and the using effect of the telescopic assembly is improved;
3. through set up the elastic component in the guide way, the deformation of elastic component plays the effect of buffering to the ball, further improves the stability of buffer in the use.
Drawings
FIG. 1 is a schematic structural diagram of the present embodiment;
FIG. 2 is an enlarged schematic view at A in FIG. 1;
FIG. 3 is a schematic diagram of an exploded view of the telescoping assembly;
FIG. 4 is a schematic cross-sectional view of the present embodiment;
FIG. 5 is an enlarged schematic view at B in FIG. 4;
fig. 6 is an enlarged schematic view at C in fig. 4.
Reference numerals: 1. a bridge body; 11. a first bridge; 111. a first slot; 112. a first connecting seat; 12. a second bridge; 121. a second slot; 122. a second connecting seat; 2. a carrier plate; 21. a rubber plate; 3. a telescoping assembly; 31. a sleeve; 311. steel balls; 32. a slide bar; 33. a connecting rod; 34. a spring; 4. a buffer device; 41. a stress plate; 42. a support bar; 43. a ball bearing; 5. a guide groove; 51. an elastic member; 6. a water-stop strip.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Combine fig. 1 and fig. 3, a prevent way bridge extending structure of bridgehead skip car, including pontic 1, pontic 1 includes first bridge 11 and second bridge 12, the gap has between first bridge 11 and the second bridge 12, be provided with loading board 2 between first bridge 11 and the second bridge 12, loading board 2 erects in the top in pontic 1 gap, and be provided with telescopic component 3 between loading board 2 and the pontic 1, telescopic component 3 is used for offsetting the horizontal frictional force that the vehicle produced to loading board 2, connection structure and connection stability between protection loading board 2 and the pontic 1, reduce the wearing and tearing that frictional force caused to the structure, the protection expansion joint is not destroyed, and then reach the effect that prevents to take place the bridgehead skip car condition.
As shown in fig. 1, the first bridge 11 and the second bridge 12 are respectively provided with a first slot 111 and a second slot 121 at the joint of the gap, the first slot 111, the first connecting seat 112 and the second connecting seat 122 are respectively fixed above the second slot 121, the first connecting seat 112 and the second connecting seat 122 are made of steel, the rubber plates 21 are respectively fixed on the first connecting seat 112 and the second connecting seat 122, the bearing plate 2 is erected on the two rubber plates 21, the rubber plates 21 are arranged between the bearing plate 2 and the first connecting seat 112, the rubber plates 21 between the second connecting seats 122 are used for reducing the pressure of the vehicle to the bearing plate 2 in the vertical direction, and the bearing plate 2 is protected.
Referring to fig. 3 and 4, the telescopic assembly 3 is horizontally disposed in the gap between the bearing plate 2 and the bridge 1, and the telescopic assembly 3 includes a sleeve 31, a sliding rod 32, a connecting rod 33, and a spring 34. In each group of telescopic assemblies 3, two sleeves 31 are arranged, and the two sleeves 31 are respectively fixedly connected with the bearing plate 2 and the bridge body 1; correspondingly, two slide bars 32 are also arranged, and the two slide bars 32 are fixedly connected through a connecting rod 33. When the telescopic assembly 3 is assembled, the two sleeves 31 are fixedly connected with the bearing plate 2 and the bridge body 1 respectively, then the springs 34 are placed in the two sleeves 31 respectively, then the two slide bars 32 connected by the connecting rod 33 are inserted into the two sleeves 31 respectively, and the sleeves 31, the springs 34, the slide bars 32 and the connecting rod 33 are coaxially arranged. When a vehicle runs over the bridge body 1 and the bearing plate 2, the vehicle drives the bearing plate 2 to move towards the direction close to the bridge body 1, the sliding rod 32 arranged in the sleeve 31 compresses the spring 34 to reduce the friction force brought by the vehicle, and the expansion joint is further protected.
With reference to fig. 3 and 5, the inner wall of the sleeve 31 is ball-hinged with a steel ball 311, the sliding rod 32 is inserted into the sleeve 31, the circumferential surface of the sliding rod 32 is abutted to the steel ball 311 in the sleeve 31, when the sliding rod 32 slides in the sleeve 31, the steel ball 311 reduces the friction between the sliding rod 32 and the sleeve 31, the convenience and stability of the sliding rod 32 moving in the sleeve 31 are improved, and the use effect of the telescopic assembly 3 is improved.
Referring to fig. 2 and 4, a buffering device 4 is disposed on the bearing plate 2, the buffering device 4 includes a stress plate 41, a supporting rod 42 and balls 43, the stress plate 41 is horizontally disposed at the middle position of the bearing plate 2, the supporting rod 42 is fixedly connected to both sides of the stress plate 41, the supporting rod 42 is disposed obliquely and downwardly away from the stress plate 41, a roller is rotatably connected to the bottom end of the supporting rod 42, when a vehicle travels over the bridge 1 and the bearing plate 2, the stress plate 41 bears the pressure caused by the vehicle, the supporting rod 42 drives the balls 43 to move in the direction away from the stress plate 41, the buffering device 4 is used to reduce the pressure of the vehicle on the bearing plate 2, the pressure borne by the bearing plate 2 is reduced from the side, the connection structure between the bearing plate 2 and the bridge 1 is further protected, the frictional force caused by the vehicle on the expansion joint structure is offset, and the expansion joint is protected from being damaged, further reducing the occurrence of the bump at the bridge head.
With reference to fig. 2 and 6, the guide groove 5 is provided at the bottom of the first connecting seat 112 and the second connecting seat 122, the guide groove 5 is disposed at a position opposite to the ball 43, and the elastic member 51 is horizontally disposed in the guide groove 5, when the buffer device 4 decompresses the bearing plate 2, the ball 43 rotatably connected to the support rod 42 rolls in the guide groove 5 on the first connecting seat 112 and the second connecting seat 122, the guide groove 5 plays a guiding role for the first connecting seat 112 and the second connecting seat 122, the ball 43 compresses the elastic member 51, the deformation of the elastic member 51 plays a buffering role for the ball 43, and the restoring force of the elastic member 51 plays a pushing role for the ball 43, thereby further improving the stability of the buffer device 4 in the using process. Be provided with the marine riser 6 between loading board 2 and the pontic 1, the top of flexible subassembly 3 is arranged in to marine riser 6 for stop that the rainwater flows into inside loading board 2 and the pontic 1, prevent to damage the connection structure between loading board 2 and the pontic 1, improve the connection structure's between loading board 2 and the pontic 1 life, the protection expansion joint is not destroyed, reduces the condition of bridgehead jump car.
The implementation principle of the embodiment is as follows: when the road and bridge telescopic structure for preventing the vehicle jump at the bridge head is installed, the first bridge beam 11 and the second bridge beam 12 are oppositely arranged at intervals, then the first connecting seat 112 and the second connecting seat 122 are respectively fixed on the first bridge beam 11 and the second bridge beam 12, then the rubber plate 21 is fixed on the first connecting seat 112 and the second connecting seat 122, the bearing plate 2 with the buffer device 4 is fixedly arranged on the rubber plate 21, the supporting rod 42 of the buffer device 4 is aligned with the guide groove 5, the elastic piece 51 is arranged in the guide groove 5, and the ball 43 at the bottom end of the supporting rod 42 is abutted to the elastic piece 51; then installing a telescopic component 3 between the bearing plate 2 and the bridge body 1, fixedly connecting a sleeve 31 on the bearing plate 2 or the bridge body 1, then placing a spring 34 inside the sleeve 31, then placing a slide rod 32 fixedly connected with a connecting rod 33 into the sleeve 31, then installing the sleeve 31 at the other end, placing the spring 34 into the sleeve 31, and then fixing the sleeve 31 with the bridge body 1 or the bearing plate 2 at the other side; and finally, fixedly connecting a waterproof strip 6 between the bearing plate 2 and the bridge body 1 above the telescopic assembly 3 for blocking rainwater to prevent rainwater from flowing into the expansion joint and strengthening the protection effect on the internal structure of the expansion joint.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. The utility model provides a prevent way bridge extending structure of bridgehead skip car, includes pontic (1), pontic (1) includes first bridge (11) and second bridge (12), has the gap between first bridge (11) and second bridge (12), and first bridge (11) and second bridge (12) are provided with first fluting (111) and second fluting (121), its characterized in that with gap linking department respectively: the upper portions of the first groove (111) and the second groove (121) are respectively and fixedly provided with a first connecting seat (112) and a second connecting seat (122), the first connecting seat (112) and the second connecting seat (122) are provided with a bearing plate (2), the bearing plate (2) is erected above a gap of the bridge body (1), a telescopic assembly (3) is arranged between the bearing plate (2) and the bridge body (1), the telescopic assembly (3) is arranged in the horizontal direction, and two ends of the telescopic assembly (3) are respectively fixedly connected with the bearing plate (2) and the bridge body (1).
2. The road bridge telescopic structure for preventing vehicle bump at bridge head as claimed in claim 1, wherein: the telescopic assembly (3) comprises two sleeves (31), two sliding rods (32), a connecting rod (33) and a spring (34) which are coaxially arranged; two sleeve pipes (31) are respectively fixedly connected with the bearing plate (2) and the bridge body (1), the spring (34) is arranged in the sleeve pipes (31), two sliding rods (32) are respectively inserted in the two sleeve pipes (31) and are abutted against the spring (34), and one ends of the two sliding rods (32) departing from the spring (34) are fixedly connected by the connecting rod (33).
3. The road bridge telescopic structure for preventing vehicle bump at bridge head as claimed in claim 2, wherein: the inner walls of the two sleeves (31) are provided with steel balls (311) in a ball hinge mode, and the circumferential surface of the sliding rod (32) is connected with the steel balls (311) in an abutting mode.
4. The road bridge telescopic structure for preventing vehicle bump at bridge head as claimed in claim 1, wherein: the rubber plate (21) is fixedly arranged below the bearing plate (2), and the bottom of the rubber plate (21) is fixedly connected with the first connecting seat (112) and the second connecting seat (122).
5. The road bridge telescopic structure for preventing vehicle bump at bridge head as claimed in claim 1, wherein: the bearing plate (2) is provided with a buffer device (4), and the buffer device (4) comprises a stress plate (41), a support rod (42) and a ball (43); stress plate (41) level sets up inside loading board (2), bracing piece (42) and the both sides rigid coupling of stress plate (41), and bracing piece (42) set up downwards along the direction slope of keeping away from stress plate (41), and the gyro wheel rotates and sets up in the bottom of bracing piece (42).
6. The road bridge telescopic structure for preventing vehicle bump at bridge head as claimed in claim 5, wherein: the positions of the first connecting seat (112) and the second connecting seat (122) opposite to the ball (43) are provided with guide grooves (5).
7. The road bridge telescopic structure for preventing vehicle bump at bridge head as claimed in claim 6, wherein: an elastic piece (51) is arranged in the guide groove (5).
8. The road bridge telescopic structure for preventing vehicle bump at bridge head as claimed in claim 1, wherein: a waterproof strip (6) is arranged between the bearing plate (2) and the bridge body (1), and the waterproof strip (6) is arranged above the telescopic assembly (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910906488.7A CN110607744A (en) | 2019-09-24 | 2019-09-24 | Road bridge extending structure for preventing vehicle bump at bridge head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910906488.7A CN110607744A (en) | 2019-09-24 | 2019-09-24 | Road bridge extending structure for preventing vehicle bump at bridge head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110607744A true CN110607744A (en) | 2019-12-24 |
Family
ID=68892003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910906488.7A Pending CN110607744A (en) | 2019-09-24 | 2019-09-24 | Road bridge extending structure for preventing vehicle bump at bridge head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110607744A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111794071A (en) * | 2020-07-06 | 2020-10-20 | 上海崇明水利工程有限公司 | Water conservancy bridge structure |
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| CN205171358U (en) * | 2015-12-07 | 2016-04-20 | 王呈祥 | Two -way shock attenuation road bridge expansion joint |
| CN106835967A (en) * | 2016-12-29 | 2017-06-13 | 温州市九成建设工程有限公司 | A kind of bridge extension joint |
| CN206545167U (en) * | 2017-03-10 | 2017-10-10 | 杨浩 | A kind of expansion joint device for steel plate built-up bridge |
| CN206581135U (en) * | 2017-03-15 | 2017-10-24 | 李颖 | A kind of Double-joint expansion joint device for bridge |
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| CN208632952U (en) * | 2018-07-09 | 2019-03-22 | 陈淑贤 | A kind of bridge extension joint |
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2019
- 2019-09-24 CN CN201910906488.7A patent/CN110607744A/en active Pending
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| SU1620526A1 (en) * | 1989-02-27 | 1991-01-15 | Сибирский автомобильно-дорожный институт им.В.В.Куйбышева | Ehpansion joint of bridge |
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| CN106835967A (en) * | 2016-12-29 | 2017-06-13 | 温州市九成建设工程有限公司 | A kind of bridge extension joint |
| CN206545167U (en) * | 2017-03-10 | 2017-10-10 | 杨浩 | A kind of expansion joint device for steel plate built-up bridge |
| CN206581135U (en) * | 2017-03-15 | 2017-10-24 | 李颖 | A kind of Double-joint expansion joint device for bridge |
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| 张春林: "《机械制造装备及设计》", 31 January 2017 * |
Cited By (1)
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| CN111794071A (en) * | 2020-07-06 | 2020-10-20 | 上海崇明水利工程有限公司 | Water conservancy bridge structure |
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Application publication date: 20191224 |