CN209636629U - Novel super large lateral displacement modular multi-directional deflection expansion joint - Google Patents
Novel super large lateral displacement modular multi-directional deflection expansion joint Download PDFInfo
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- CN209636629U CN209636629U CN201920270280.6U CN201920270280U CN209636629U CN 209636629 U CN209636629 U CN 209636629U CN 201920270280 U CN201920270280 U CN 201920270280U CN 209636629 U CN209636629 U CN 209636629U
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Abstract
A kind of novel super large lateral displacement modular multi-directional deflection expansion joint of the utility model, including main tooth plate, secondary tooth plate, first bridge beam body and the second bridge beam body, the bottom surface of main tooth plate in the first bridge beam body is ridden upon to be fixedly connected with a portion of lateral deflection plate top surface, another part of lateral deflection plate top surface, main tooth is connect with the one end fits of displacement plate cover board respectively, the other end of displacement plate cover board is fixedly connected with the first bridge beam body, another part of lateral deflection plate top surface is equipped with sliding slot, side with the main tooth plate of displacement plate cover board cooperation is the first bevel edge, two sides with the sliding slot of displacement plate cover board cooperation are the second bevel edge, angle between first bevel edge and perpendicular is less than the angle between the second bevel edge and perpendicular, the periphery of lateral deflection plate is equipped with and is cooperatively connected and is fixed in the first bridge beam body with it Firm banking.The utility model can be realized lateral displacement variable quantity at least in ± 500mm in extreme circumstances.
Description
Technical field
The utility model relates to bridge construction technology fields, more more particularly to a kind of novel super large lateral displacement modular
To displacement expansion joint.
Background technique
In order to meet bridge beam body deformation needs, generally between two beam-ends of bridge, between beam-ends and abutment or
It is fitted with bridge expanssion joint in the articulated position of bridge, with the development of highway transportation, traffic volume of highway and car load are got over
Carry out bigger, to stretch to highway bridge performance requirements continuous improvement.
Currently, similar bridge expanssion joint realizes the variation of lateral displacement just with the space width between each comb teeth, but
It is that the range of change in displacement is small, for certain extreme natural phenomenas, such as earthquake, existing bridge expanssion joint is unable to satisfy super
The requirement of big lateral displacement variation, the displacement beyond expansion joint rated displacement range influence the normal work of bridge expanssion joint, drop
The service life of low bridge expanssion joint.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of structure is simple, transverse direction can be realized in extreme circumstances
Displacement variable is at least at the novel super large lateral displacement modular multi-directional deflection expansion joint of ± 500mm.
A kind of novel super large lateral displacement modular multi-directional deflection expansion joint of the utility model, including main tooth plate, secondary tooth plate,
The comb teeth of the main tooth plate and secondary tooth plate intersects and has a gap,
One end of the main tooth plate rides upon in the first bridge beam body, and the other end is across first bridge beam body and second
Gap between bridge beam body is simultaneously mounted in second bridge beam body, and the pair tooth plate is mounted on second bridge beam body
On, ride upon the fixed company of a portion of the bottom surface of the main tooth plate and lateral deflection plate top surface in first bridge beam body
It connects, another part of the lateral deflection plate top surface, the main tooth are connect with the one end fits of displacement plate cover board respectively, and described
Conjugate the relatively described lateral deflection plate of plate cover board, main tooth plate horizontal sliding, the other end and the first bridge of the displacement plate cover board
Beam body is fixedly connected, and another part of the lateral deflection plate top surface is equipped with sliding slot, the institute with the displacement plate cover board cooperation
The side for stating main tooth plate is the first bevel edge, and the two sides with the sliding slot of the displacement plate cover board cooperation are the second bevel edge, institute
The angle that the angle between the first bevel edge and perpendicular is less than between second bevel edge and perpendicular is stated, it is described laterally to become
The periphery of position plate, which is equipped with, to be cooperatively connected with it and is fixed on the firm banking in the first bridge beam body, and the lateral deflection plate is opposite
Firm banking transverse direction and/or bridge are to sliding.
Preferably, the lower end of the firm banking is equipped with displacement box, and the other end of the displacement plate cover board is along its transverse direction
Direction interval is vertically equipped with multiple first bolts for extending to displacement box, is located at displacement box on each first bolt and covers
Equipped with brute spring, the top of the brute spring is fixedly connected with firm banking.
It is preferably in any of the above-described scheme, sleeve, the both ends point of the sleeve is arranged on each first bolt
It is not abutted with the displacement plate cover board, firm banking.
It is preferably in any of the above-described scheme, the both ends end in the sliding slot transverse direction is equipped with block.
It being preferably in any of the above-described scheme, the angular range between first bevel edge and perpendicular is 0~8 degree,
Angular range between second bevel edge and perpendicular is 8~90 degree.It is preferably in any of the above-described scheme, the transverse direction
It conjugates plate and is followed successively by the first inclined-plane, first level face from center to both ends along the bottom surface of its transverse direction, the firm banking
Top surface along its transverse direction from center to both ends be followed successively by with the second inclined-plane of lateral deflection plate bottom surface, the second horizontal plane,
Each corner of the lateral deflection plate is equipped with chamfering.
Be preferably in any of the above-described scheme, on the lateral deflection plate with it is described displacement plate cover board contact site and
Contact site on the firm banking, the first bridge beam body with the lateral deflection plate is equipped with tetrafluoro plate.
Be preferably in any of the above-described scheme, on the lateral deflection plate with the firm banking, the first bridge beam body
Contact site is equipped with stainless steel plate.
Be preferably in any of the above-described scheme, be equipped in first bridge beam body and the second bridge beam body embedded ribs,
Anchor ring is equipped at intervals with multiple second bolts along its transverse direction in second bridge beam body.
It is preferably in any of the above-described scheme, is equipped at the gap between first bridge beam body and the second bridge beam body
Rubber fastening band.
Compared with prior art, advantages and beneficial effects possessed by the utility model are as follows:
1, the structure that relatively transverse displacement plate horizontal sliding is distinguished by setting firm banking and displacement plate cover board, makes to stretch
Seam can be realized big lateral displacement variable quantity, and lateral displacement variable quantity at least in ± 500mm, is suitable for most of bridge positions
The demand of variation and the demand of change in displacement caused in extreme circumstances are moved, guarantees bridge under the extreme cases such as earthquake
Anti-disaster ability and bridge fastness.
2, the side with the main tooth plate of displacement plate cover board cooperation is the first bevel edge, the sliding slot with displacement plate cover board cooperation
Two sides be the second bevel edge, the setting of the first bevel edge and the second bevel edge convenient for conjugate plate cover board quickly with lateral deflection plate, master
Tooth plate is coupled, and the angle between the first bevel edge and perpendicular is less than the angle between the second bevel edge and perpendicular, limit
System displacement plate cover board tilts, and prevents from skidding off upwards, increases stability, fastness and the safety of displacement structure；Lateral deflection
The setting of the periphery firm banking of plate can transmit the power that main tooth plate is conjugated along bridge to direction, realize expansion joint along bridge Xiang Fangxiang
Displacement telescopic variation.
3, by applying the power of vertical deflection to displacement plate cover board, displacement plate cover board successively passes to the power of vertical deflection
Thus sleeve, firm banking, brute spring move up and down displacement plate cover board, realize vertical rotating.The setting of displacement box makes
One bolt is isolated with concrete, and brute spring is protected by Concrete Filled, not guarantee the telescopicing performance of brute spring.Sleeve is set
Setting has protective effect to the screw thread on the first bolt, and reinforce displacement plate cover board, firm banking and the first bridge beam body it
Between structural soundness.In addition, multiple expansion joint units are provided with laterally side by side according to the width size of practical bridge, when flexible
When lateral displacement variation occurs for seam, it may appear that the first bridge beam body drives displacement plate cover board from one of expansion joint unit transverse
Next expansion joint unit is slid onto, by being equipped with brute spring, displacement plate cover board can be made slightly to tilt upwards, guarantee displacement
The displacement that plate cover board can smoothly be inserted into adjacent expansion seam unit is intracavitary, and horizontal sliding is smooth and without Caton, prevents displacement
There is catching phenomenon in adjacent expansion seam unit sliding in plate cover board, and expansion joint overall structure is caused crack conditions occur.
4, by using the design method of decomposing force, horizontal force suffered by expansion joint is by lateral deflection plate and displacement plate
Cover board etc. undertakes, therefore the first bolt and the second bolt are not subject to horizontal shear force, be subjected only to vertical force, therefore bolt will not
The dangerous situation cut occurs, expansion joint can accomplish and the concrete same service life.Expansion joint structure is exquisite simple, maintenance replacement
It is easy simply to may be implemented to complete the maintenance and replacement at expansion joint in the case where uninterrupted traffic.
5, block is equipped with by the both ends end in transverse direction along the chute, there is position-limiting action to displacement plate cover board, prevent
Only expansion joint causes overall structure to be damaged in horizontal sliding beyond displacement range.
6, lateral deflection plate is followed successively by the first inclined-plane, first level face from center to both ends along the bottom surface of its transverse direction,
The top surface of firm banking is followed successively by and the second inclined-plane of lateral deflection plate bottom surface, along its transverse direction from center to both ends
Two horizontal planes, which makes can be on the first inclined-plane and second after carrying out lateral displacement between lateral deflection plate and firm banking
Self-return is realized under the interaction on inclined-plane.Each corner of lateral deflection plate is equipped with chamfering, is carrying out greatly convenient for expansion joint
Lateral shifting movements when, lateral deflection plate can smoothly be inserted into adjacent expansion seam unit displacement it is intracavitary.
The novel super large lateral displacement modular multi-directional deflection expansion joint of the utility model is made into one with reference to the accompanying drawing
Walk explanation.
Detailed description of the invention
Fig. 1 is the top view at the novel super large lateral displacement modular multi-directional deflection expansion joint of the utility model；
Fig. 2 is the sectional structure chart at the novel super large lateral displacement modular multi-directional deflection expansion joint of the utility model；
Fig. 3 is the sectional structure chart in the direction A-A in Fig. 2；
Fig. 4 is the sectional structure chart in the direction B-B in Fig. 2；
Fig. 5 is the enlarged drawing of structure at C in Fig. 2；
Fig. 6 is the schematic diagram of the novel super large lateral displacement modular multi-directional deflection expansion joint lateral deflection of the utility model；
Wherein: 1, secondary tooth plate；2, main tooth plate；3, lateral deflection plate；31, the first inclined-plane；32, first level face；33, it falls
Angle；4, plate cover board is conjugated；41, the first bevel edge；42, the second bevel edge；5, the first bolt；6, sleeve；7, firm banking；71, second
Inclined-plane；72, the second horizontal plane；8, brute spring；9, displacement box；10, anchor ring；11, the first bridge beam body；12, rubber fastening band；
13, the second bridge beam body；14, the second bolt；15, block；16, tetrafluoro plate；17, stainless steel plate；18, chamber is conjugated.
Specific embodiment
As shown in Fig. 1~Fig. 6, a kind of novel super large lateral displacement modular multi-directional deflection expansion joint of the utility model, packet
Main tooth plate 2, secondary tooth plate 1 are included, the comb teeth of main tooth plate 2 and secondary tooth plate 1 intersects and has gap, and one end of main tooth plate 2 is set up
In the first bridge beam body 11, the other end is across the gap between the first bridge beam body 11 and the second bridge beam body 13 and is mounted on
In second bridge beam body 13, secondary tooth plate 1 is mounted in the second bridge beam body 13, rides upon main tooth plate 2 in the first bridge beam body 11
Bottom surface be fixedly connected with a portion of 3 top surface of lateral deflection plate, another part of 3 top surface of lateral deflection plate, main tooth point
It is not connect with the one end fits of displacement plate cover board 4, and conjugates the relatively transverse displacement plate 3 of plate cover board 4,2 horizontal sliding of main tooth plate, become
The other end of position plate cover board 4 is fixedly connected with the first bridge beam body 11, and another part of 3 top surface of lateral deflection plate, which is equipped with, to be slided
Slot, the side of the main tooth plate 2 cooperated with displacement plate cover board 4 are the first bevel edge 41, the two sides of the sliding slot cooperated with displacement plate cover board 4
Side is the second bevel edge 42, and the angle between the first bevel edge 41 and perpendicular, which is less than, to be stated between the second bevel edge 42 and perpendicular
Angle, the periphery of lateral deflection plate 3, which is equipped with, to be cooperatively connected with it and is fixed on the firm banking 7 in the first bridge beam body 11, horizontal
7 transverse direction of pedestal and/or bridge are fixed relatively to sliding to displacement plate 3.
The present embodiment can be realized the variation of lateral displacement and bridge to displacement, specifically, when expansion joint lateral displacement changes,
First bridge beam body 11 drives firm banking 7 and displacement plate cover board 4 respectively, and firm banking 7 and displacement plate cover board 4 are relatively horizontal respectively
To displacement 3 horizontal sliding of plate, at this point, lateral deflection plate 3 and main tooth plate 2 are in relative static conditions；Expansion joint is along bridge Xiang Weiyi
It is to be realized by the crisscross motion between main tooth plate 2 and secondary tooth plate 1, when occurring along bridge to change in displacement, the first Bridge Beam
Body 11 drives firm banking 7 and displacement plate cover board 4 respectively, and displacement plate cover board 4 is connected by cooperating with the sliding slot on lateral deflection plate 3
It connects, successively to drive lateral deflection plate 3, main tooth plate Bridge 2 to displacement, meanwhile, exist between lateral deflection plate 3 and firm banking 7
Relative displacement variation.
In the present embodiment, relatively transverse 3 horizontal sliding of displacement plate is distinguished by setting firm banking 7 and displacement plate cover board 4
Structure, so that expansion joint is can be realized big lateral displacement variable quantity, lateral displacement variable quantity at least in ± 500mm, is applicable in
In the demand of most of bridge displacements variation and the demand of change in displacement caused in extreme circumstances, guarantee bridge on ground
The fastness of anti-disaster ability and bridge under the extreme cases such as shake.The side of the main tooth plate 2 cooperated with displacement plate cover board 4 is the
One bevel edge 41, the two sides of the sliding slot cooperated with displacement plate cover board 4 are the second bevel edge 42, the first bevel edge 41 and the second bevel edge
42 setting is quickly coupled with lateral deflection plate 3, main tooth plate 2 convenient for displacement plate cover board 4, the first bevel edge 41 and perpendicular
Between angle less than the angle between the second bevel edge 42 and perpendicular, limitation displacement plate cover board 4 tilts, and prevents from sliding up
Out, increase stability, fastness and the safety of displacement structure；The setting of the periphery firm banking 7 of lateral deflection plate 3, energy
It enough transmits the power that main tooth plate 2 is conjugated along bridge to direction, realizes expansion joint along bridge to the displacement telescopic variation in direction.
Further, the lower end of firm banking 7 is equipped with displacement box 9, conjugates the other end of plate cover board 4 between its transverse direction
Every being vertically equipped with multiple first bolts 5 for extending to displacement box 9, it is located at displacement box 9 on each first bolt 5 and is arranged with by force
The top of power spring 8, brute spring 8 is fixedly connected with firm banking 7.Sleeve 6 is arranged on each first bolt 5, sleeve 6
Both ends are abutted with displacement plate cover board 4, firm banking 7 respectively.
The present embodiment can be realized vertical rotating by using above structure, specifically, by applying to displacement plate cover board 4
The power of vertical deflection conjugates plate cover board 4 for the power of vertical deflection and successively passes to sleeve 6, firm banking 7, brute spring 8, by
This moves up and down displacement plate cover board 4, realizes vertical rotating.The first bolt 5 is isolated with concrete in the setting of displacement box 9, protects
Brute spring 8 is protected not by Concrete Filled, guarantees the telescopicing performance of brute spring 8.The setting of sleeve 6 is on the first bolt 5
Screw thread has protective effect, and reinforces the stabilized structure between displacement plate cover board 4, firm banking 7 and the first bridge beam body 11
Property.
In addition, multiple expansion joint units are provided with laterally side by side according to the width size of practical bridge, when expansion joint occurs
When lateral displacement changes, it may appear that the first bridge beam body 11 drives displacement plate cover board 4 sliding from one of expansion joint unit transverse
Next expansion joint unit is moved to, by being equipped with brute spring 8, can make to conjugate the slight tilting upwards of plate cover board 4, guarantee displacement
Plate cover board 4 can be smoothly inserted into the displacement chamber 18 of adjacent expansion seam unit, and horizontal sliding is smooth and without Caton, prevents change
There is catching phenomenon in adjacent expansion seam unit sliding in position plate cover board 4, and expansion joint overall structure is caused crack conditions occur.
Further, the both ends end in transverse direction is equipped with block 15 along the chute, there is limit to make displacement plate cover board 4
With preventing expansion joint from exceeding displacement range in horizontal sliding causes overall structure to be damaged.
Further, the angular range between the first bevel edge 41 and perpendicular is 0~8 degree, the second bevel edge 42 with vertically
Angular range between plane is 8~90 degree.
Further, lateral deflection plate 3 is followed successively by the first inclined-plane 31, from center to both ends along the bottom surface of its transverse direction
The top surface of one horizontal plane 32, firm banking 7 is followed successively by and 3 bottom surface of lateral deflection plate along its transverse direction from center to both ends
The second inclined-plane 71, the second horizontal plane 72.The present embodiment by using above structure make lateral deflection plate 3 and firm banking 7 it
Between can realize self-return under the interaction on the first inclined-plane 31 and the second inclined-plane 71 after carrying out lateral displacement.
Further, each corner of lateral deflection plate 3 is equipped with chamfering 33, is carrying out big lateral displacement convenient for expansion joint
When movement, lateral deflection plate 3 can be smoothly inserted into the displacement chamber 18 of adjacent expansion seam unit.
Further, the contact site and firm banking 7, the first Bridge Beam on lateral deflection plate 3 with displacement plate cover board 4
Tetrafluoro plate 16 is equipped with the contact site of lateral deflection plate 3 on body 11.Tetrafluoro plate 16 itself has high-lubricity, so that laterally
The movement for conjugating plate 3 is more smooth, provides the foundation apart from lateral deflection greatly to realize；Using tetrafluoro plate 16 as auxiliary displacement
Structure, material is common, and material matches goods difficulty when greatly reducing production and maintenance.
Further, it is equipped on lateral deflection plate 3 with the contact site of firm banking 7, the first bridge beam body 11 stainless
Steel plate 17 improves lubricity and abrasion resistance between adjacent plate body, increases the service life of displacement structure.
Further, embedded ribs, anchor ring 10, the second bridge are equipped in the first bridge beam body 11 and the second bridge beam body 13
Multiple second bolts 14 are equipped at intervals with along its transverse direction in beam body 13.
Further, rubber fastening band 12 is equipped at the gap between the first bridge beam body 11 and the second bridge beam body 13.
In addition, design method of the present embodiment by using decomposing force, horizontal force suffered by expansion joint is by lateral deflection
Plate 3 and displacement plate cover board 4 etc. undertake, therefore the first bolt 5 and the second bolt 14 are not subject to horizontal shear force, are subjected only to erect
Xiang Li, therefore the dangerous situation cut will not occur for bolt, expansion joint can accomplish and the concrete same service life.Expansion joint structure
Exquisite simple, maintenance replacement is easy to be simple, and maintenance and replacement that expansion joint is completed in the case where uninterrupted traffic may be implemented.
Embodiment described above is only that preferred embodiments of the present invention are described, not practical to this
Novel range is defined, and under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are to this
The various changes and improvements that the technical solution of utility model is made should all fall into the protection that the utility model claims book determines
In range.
Claims (10)
1. a kind of novel super large lateral displacement modular multi-directional deflection expansion joint, including main tooth plate, secondary tooth plate, the main tooth plate with
The comb teeth of secondary tooth plate intersects and has gap, it is characterised in that:
One end of the main tooth plate rides upon in the first bridge beam body, and the other end is across first bridge beam body and the second bridge
Gap between beam body is simultaneously mounted in second bridge beam body, and the pair tooth plate is mounted in second bridge beam body,
The bottom surface for riding upon the main tooth plate in first bridge beam body is fixedly connected with a portion of lateral deflection plate top surface,
Another part of the lateral deflection plate top surface, the main tooth are connect with the one end fits of displacement plate cover board respectively, and the change
The relatively described lateral deflection plate of position plate cover board, main tooth plate horizontal sliding, the other end and the first Bridge Beam of the displacement plate cover board
Body is fixedly connected, and another part of the lateral deflection plate top surface is equipped with sliding slot, cooperate with the displacement plate cover board described in
The side of main tooth plate is the first bevel edge, and the two sides with the sliding slot of the displacement plate cover board cooperation are the second bevel edge, described
Angle between first bevel edge and perpendicular is less than lateral deflection described in the angle between second bevel edge and perpendicular
The periphery of plate is equipped with and is cooperatively connected with it and is fixed on the firm banking in the first bridge beam body, and the lateral deflection plate is relatively solid
Pedestal transverse direction and/or bridge are determined to sliding.
2. novel super large lateral displacement modular multi-directional deflection expansion joint according to claim 1, it is characterised in that: described
The lower end of firm banking is equipped with displacement box, and the other end of the displacement plate cover board is vertically equipped with extension along its transverse direction interval
It is located at displacement box to multiple first bolts of displacement box, on each first bolt and is arranged with brute spring, the strength
The top of spring is abutted with firm banking.
3. novel super large lateral displacement modular multi-directional deflection expansion joint according to claim 2, it is characterised in that: each
Sleeve is arranged on first bolt, the both ends of the sleeve are fixedly connected with the displacement plate cover board, firm banking respectively.
4. novel super large lateral displacement modular multi-directional deflection expansion joint according to claim 1, it is characterised in that: along institute
The both ends end stated in sliding slot transverse direction is equipped with block.
5. novel super large lateral displacement modular multi-directional deflection expansion joint according to claim 1 or 4, it is characterised in that:
Angular range between first bevel edge and perpendicular is 0~8 degree, the angle between second bevel edge and perpendicular
Range is 8~90 degree.
6. novel super large lateral displacement modular multi-directional deflection expansion joint according to claim 1, it is characterised in that: described
Lateral deflection plate is followed successively by the first inclined-plane, first level face, the fixed bottom from center to both ends along the bottom surface of its transverse direction
The top surface of seat is followed successively by and the second inclined-plane of lateral deflection plate bottom surface, the second level along its transverse direction from center to both ends
Each corner in face, the lateral deflection plate is equipped with chamfering.
7. novel super large lateral displacement modular multi-directional deflection expansion joint according to claim 6, it is characterised in that: described
On lateral deflection plate with it is described displacement plate cover board contact site and the firm banking, the first bridge beam body on the cross
Tetrafluoro plate is equipped with to the contact site of displacement plate.
8. novel super large lateral displacement modular multi-directional deflection expansion joint according to claim 7, it is characterised in that: described
Contact site on lateral deflection plate with the firm banking, the first bridge beam body is equipped with stainless steel plate.
9. novel super large lateral displacement modular multi-directional deflection expansion joint according to claim 1, it is characterised in that: described
Embedded ribs, anchor ring are equipped in first bridge beam body and the second bridge beam body, along its transverse direction in second bridge beam body
It is equipped at intervals with multiple second bolts.
10. novel super large lateral displacement modular multi-directional deflection expansion joint according to claim 1, it is characterised in that: institute
It states and is equipped with rubber fastening band at the gap between the first bridge beam body and the second bridge beam body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920270280.6U CN209636629U (en) | 2019-03-04 | 2019-03-04 | Novel super large lateral displacement modular multi-directional deflection expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920270280.6U CN209636629U (en) | 2019-03-04 | 2019-03-04 | Novel super large lateral displacement modular multi-directional deflection expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209636629U true CN209636629U (en) | 2019-11-15 |
Family
ID=68495123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920270280.6U Withdrawn - After Issue CN209636629U (en) | 2019-03-04 | 2019-03-04 | Novel super large lateral displacement modular multi-directional deflection expansion joint |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109778689A (en) * | 2019-03-04 | 2019-05-21 | 天津桥通科技发展有限公司 | Novel super large lateral displacement modular multi-directional deflection expansion joint |
-
2019
- 2019-03-04 CN CN201920270280.6U patent/CN209636629U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109778689A (en) * | 2019-03-04 | 2019-05-21 | 天津桥通科技发展有限公司 | Novel super large lateral displacement modular multi-directional deflection expansion joint |
| CN109778689B (en) * | 2019-03-04 | 2023-09-26 | 天津桥通科技发展有限公司 | Novel oversized transverse displacement modular multidirectional displacement expansion joint |
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Granted publication date: 20191115 Effective date of abandoning: 20230926 |
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Granted publication date: 20191115 Effective date of abandoning: 20230926 |
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| AV01 | Patent right actively abandoned |