CN111021239B - Comb plate bridge expansion device capable of being replaced quickly - Google Patents
Comb plate bridge expansion device capable of being replaced quickly Download PDFInfo
- Publication number
- CN111021239B CN111021239B CN201811171953.9A CN201811171953A CN111021239B CN 111021239 B CN111021239 B CN 111021239B CN 201811171953 A CN201811171953 A CN 201811171953A CN 111021239 B CN111021239 B CN 111021239B
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- comb plate
- bolt
- rotating shaft
- stud
- nut
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- 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
Abstract
The invention provides a quick replaceable comb plate bridge expansion device, which relates to the technical field of expansion devices and comprises: the movable comb plate comprises a first beam body, a second beam body, a movable comb plate and a fixed comb plate; further comprising: the stud bolts penetrate through the comb plate and the stainless steel sliding plate; the stud bolt includes: a stud body; the first nut is in threaded connection with one end of the stud body, and the bolt bottom column is in threaded connection with the other end of the stud body. In the scheme of the invention, through the use of the stud bolt and the rotating shaft, the damaged expansion device can be completed by replacing the stud bolt and the stud bolt body, when the stud bolt and the rotating shaft in the bridge expansion device are damaged, the whole stud bolt and the rotating shaft do not need to be replaced, only the stud bolt body needs to be taken out from the bolt bottom column, and the rotating shaft body is rotated to separate the rotating shaft body from the shaft seat, so that a new stud bolt, the stud bolt body and the first nut are replaced; not only saves time and labor, but also saves a large amount of cost.
Description
Technical Field
The invention relates to the technical field of expansion devices, in particular to a comb plate bridge expansion device capable of being replaced quickly.
Background
The bridge expansion device is to meet the requirement of bridge deck deformation, and the expansion device is usually arranged between two beam ends, between the beam end and a bridge abutment or at the hinged position of a bridge.
The connection mode that adopts ordinary bolt and nut on activity fishback and the fixed fishback among the current bridge telescoping device just can only realize through chiseling concrete pre-buried bolt again after the bolt destruction, and the engineering volume is great, and maintenance duration is longer, and the cost is higher, wastes time and energy.
Disclosure of Invention
The invention aims to provide a comb plate bridge expansion device capable of being replaced quickly, which can be used for replacing damaged expansion devices through bolts, and is time-saving and labor-saving, and can save a large amount of cost.
To solve the above technical problems, an embodiment of the present invention provides a quick replaceable expansion device for a comb plate bridge, including: the beam bodies are arranged on two sides of the bridge expansion joint;
the comb plate is arranged on the beam body;
the beam body includes: a first beam and a second beam;
the comb plate includes: a movable comb plate and a fixed comb plate;
the water guide device is arranged between the first beam body and the second beam body;
the movable comb plate is arranged on the first beam body, and the fixed comb plate is arranged on the second beam body;
the stainless steel sliding plate is fixedly connected with the movable comb plate and the fixed comb plate;
further comprising: the stud bolts penetrate through the comb plate and the stainless steel sliding plate;
the stud bolt includes: a stud body; a first nut in threaded connection with one end of the stud body, and a second nut
One end of the bolt bottom column is connected with the screw thread.
Wherein one end of the stud bolt provided with the first nut is arranged on the comb plate and the stainless steel sliding plate in a penetrating way,
and the end surface of the first nut and the upper surface of the comb plate are on the same horizontal plane.
Wherein, still include: a rotating shaft which is arranged on the movable comb plate and the stainless steel sliding plate in a penetrating way;
the pivot includes: a shaft seat;
the rotating shaft body is arranged on the shaft seat;
and the leveling rubber pad is fixedly connected with the rotating shaft body.
Wherein, the stud body includes: a second nut;
a small threaded column fixedly connected with one end of the second nut, and the other end of the second nut is fixedly connected with
A large threaded column is connected;
the small threaded column is in threaded connection with the first nut;
and a rubber leveling ring is arranged at the joint of the small threaded column and the first nut.
A large threaded hole is formed in the large threaded column;
the large threaded column is arranged in the large threaded hole and is in threaded connection with the large threaded hole.
And a rubber sealing ring is arranged at the contact position of the end surface of the bolt bottom column and the second nut.
Wherein, the shaft seat is provided with a groove for placing the rotating shaft body;
the rotating shaft body is provided with a first bolt hole;
a second bolt hole is formed in the leveling rubber pad;
the first bolt hole and the second bolt hole are both provided with two.
When the rotating shaft body is placed in the groove, one face, provided with the first bolt hole, of the rotating shaft body and one face, provided with the groove, of the shaft seat are on the same horizontal plane.
When one face of the rotating shaft body provided with the first bolt hole and one face of the shaft seat provided with the groove are on the same horizontal plane, the rotating shaft body rotates by 90 degrees and then is separated from the shaft seat.
Wherein, the rotating shaft also comprises a bolt; the bolt passes through the first bolt hole and the second bolt hole to fixedly connect the rotating shaft body with the leveling rubber pad.
The end, provided with the bolt, of the rotating shaft penetrates through the movable comb plate and the stainless steel sliding plate, and the end face of the bolt and the upper surface of the movable comb plate are on the same horizontal plane.
The technical scheme of the invention has the following beneficial effects:
1. the technical scheme provided by the invention comprises the following steps: the beam bodies are arranged on two sides of the bridge expansion joint; the comb plate is arranged on the beam body; the beam body includes: a first beam and a second beam; the comb plate includes: a movable comb plate and a fixed comb plate; the water guide device is arranged between the first beam body and the second beam body; the movable comb plate is arranged on the first beam body, and the fixed comb plate is arranged on the second beam body; the stainless steel sliding plate is fixedly connected with the movable comb plate and the fixed comb plate; further comprising: the stud bolts penetrate through the comb plate and the stainless steel sliding plate; the stud bolt includes: a stud body; and the first nut is in threaded connection with one end of the stud body, and the other end of the stud body is in threaded connection with the bolt bottom column. After the stud in the bridge telescoping device is destroyed, the whole stud does not need to be replaced, and only the stud body needs to be taken out from the bolt bottom column and replaced by a new bolt body and a first nut.
2. In the technical scheme provided by the invention, one end of the stud provided with the first nut penetrates through the comb plate and the stainless steel sliding plate, and the end face of the first nut and the upper surface of the comb plate are on the same horizontal plane. Therefore, the movable comb plate and the fixed comb plate can be connected together, and the end face of the first nut and the upper surface of the comb plate are arranged on
On the same horizontal plane, the connecting part of the bridge expansion joint can be ensured to be in a smooth state.
3. The technical scheme provided by the invention further comprises the following steps: a rotating shaft which is arranged on the movable comb plate and the stainless steel sliding plate in a penetrating way;
the pivot includes: a shaft seat; the rotating shaft body is arranged on the shaft seat; and the leveling rubber pad is fixedly connected with the rotating shaft body. The shaft seat, the rotating shaft body and the leveling rubber pad are the most basic components of the rotating shaft; in the use, leveling rubber pad compression deformation can satisfy the rotation needs of activity fishback, and plays sealed effect.
4. In the technical scheme provided by the invention, the stud body comprises: a second nut; the small threaded column is fixedly connected with one end of the second nut, and the large threaded column is fixedly connected with the other end of the second nut; the small threaded column and the first nut screw
Connecting lines; a rubber leveling ring is arranged at the joint of the small threaded column and the first nut; a large threaded hole is formed in the large threaded column; the large threaded column is arranged in the large threaded hole and is in threaded connection with the large threaded hole. Therefore, the whole stud bolt is formed, and the rubber leveling ring can prevent poured mortar from being emptied and can play a role in sealing.
5. In the technical scheme provided by the invention, a rubber sealing ring is arranged at the contact part of the end surface of the bolt bottom column and the second nut. The rubber seal ring can prevent the poured mortar from entering the interior of the thread to block and rust, and plays a role in sealing.
6. In the technical scheme provided by the invention, a groove for placing the rotating shaft body is arranged on the shaft seat; the rotating shaft body is provided with a first bolt hole; a second bolt hole is formed in the leveling rubber pad; the first bolt hole and the second bolt hole are both provided with two. Through the cooperation of pivot body and recess to and the cooperation of bolt and first bolt hole, second bolt hole, can link together activity fishback and axle bed.
7. According to the technical scheme provided by the invention, when the rotating shaft body is placed in the groove, one surface of the rotating shaft body, which is provided with the first bolt hole, and one surface of the shaft seat, which is provided with the groove, are on the same horizontal plane. Only like this, the bridge telescoping device just can be in normal operating condition, and the bolt just can pass first bolt hole and second bolt hole and link together activity fishback and axle bed.
8. According to the technical scheme provided by the invention, when one surface of the rotating shaft body provided with the first bolt hole and one surface of the shaft seat provided with the groove are on the same horizontal plane, the rotating shaft body rotates by 90 degrees and then is separated from the shaft seat. When the rotating shaft is damaged
When the rotating shaft needs to be replaced, the rotating shaft body is rotated by 90 degrees to separate the rotating shaft body from the shaft seat, so that the rotating shaft is replaced.
9. In the technical scheme provided by the invention, the rotating shaft further comprises a bolt; the bolt passes through the first bolt hole and the second bolt hole to fixedly connect the rotating shaft body with the leveling rubber pad. Movable comb capable of meeting compression deformation of leveling rubber pad
The rotation of the toothed plate is required and plays a role in sealing.
10. According to the technical scheme provided by the invention, one end of the rotating shaft, which is provided with the bolt, penetrates through the movable comb plate and the stainless steel sliding plate, and the end face of the bolt and the upper surface of the movable comb plate are on the same horizontal plane. Therefore, the connection part of the bridge expansion joint is ensured to be in a smooth state.
Drawings
FIG. 1 shows a cross-sectional view of a quick change comb bridge expansion device of an embodiment of the present invention;
FIG. 2 shows a top view of a quick change comb plate bridge retractor of an embodiment of the present invention;
FIG. 3 shows a block diagram of the stud of the quick change comb plate bridge expansion device of the embodiment of the present invention shown in FIG. 1;
fig. 4 is a view illustrating a structure of a rotating shaft of the comb plate bridge expansion device capable of being rapidly replaced according to the embodiment of the present invention shown in fig. 1.
Description of the main reference numerals:
1-a first beam; 2-a second beam; 3-movable comb plate; 4-fixing the comb plate; 5-a water guiding device; 6-stainless steel slide plate; 7-stud bolt; 8-a rotating shaft; 81-axle seat; 810-grooves; 82-a shaft body; 821-a first bolt hole; 83-leveling rubber mats; 831-second bolt hole; 84-bolt; 512-a second nut; 511-small threaded post; 513-large threaded post; 52-a first nut; 53-bolt bottom posts; 54-rubber leveling ring; 531-big threaded hole; 55-rubber sealing ring.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments. In the following description, specific details such as specific configurations and components are provided only to help the full understanding of the embodiments of the present invention. Thus, it will be apparent to those skilled in the art that the embodiments described herein may be practiced without these specific details
Various changes and modifications may be made to the embodiments without departing from the scope and spirit of the invention. In addition, descriptions of well-known functions and constructions are omitted for clarity and conciseness.
It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
In various embodiments of the present invention, it should be understood that the sequence numbers of the following processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
The invention provides a quick replaceable comb plate bridge expansion device, aiming at the problems that a movable comb plate and a fixed comb plate in the existing bridge expansion device are connected by common bolts and nuts, when the bolts are damaged, the bolts can only be embedded again by chiseling off concrete, the engineering quantity is large, the maintenance time is long, the cost is high, time and labor are wasted
When the stud bolt and the rotating shaft in the bridge expansion device are damaged, the whole stud bolt and the rotating shaft do not need to be replaced, only the stud bolt body needs to be taken out of the bolt bottom column, and the rotating shaft body is rotated to separate the rotating shaft body from the shaft seat, so that the new stud bolt, the stud bolt body and the first nut are replaced; not only saves time and labor, but also saves a large amount of cost.
As shown in fig. 1 to 4, an embodiment of the present invention provides a quick replaceable comb plate bridge expansion device, including: the beam bodies are arranged on two sides of the bridge expansion joint;
the comb plate is arranged on the beam body;
the beam body includes: a first beam 1 and a second beam 2;
the comb plate includes: a movable comb plate 3 and a fixed comb plate 4;
the water guide device 5 is arranged between the first beam body 1 and the second beam body 2;
the movable comb plate 3 is arranged on the first beam body 1, and the fixed comb plate 4 is arranged on the second beam body 2;
the stainless steel sliding plate 6 is fixedly connected with the movable comb plate 3 and the fixed comb plate 4;
further comprising: the stud bolts 7 penetrate through the comb plate and the stainless steel sliding plate 6;
the stud bolt 7 includes: a stud body; and a first nut 52 in threaded connection with one end of the stud body, and a bolt bottom column 53 in threaded connection with the other end of the stud body.
In the above embodiment of the present invention, when the stud bolt 7 in the bridge expansion device is damaged, the whole stud bolt 7 does not need to be replaced, and only the stud bolt body needs to be taken out of the bolt bottom pillar 53 and replaced with a new bolt body and the first nut 52.
Specifically, the stud body includes: a second nut 512; a small threaded column 511 fixedly connected with one end of the second nut 512, and a large threaded column 513 fixedly connected with the other end; the small threaded column 511 is in threaded connection with the first nut 52; a rubber leveling ring 54 is arranged at the joint of the small threaded column 511 and the first nut 52; the bolt bottom column 53 is provided with a large threaded hole 531; the large threaded column 513 is arranged in the large threaded hole 531, and the large threaded column 513 is in threaded connection with the large threaded hole 531; and the diameter of the large threaded post 513 is greater than the diameter of the small threaded post 511. Thus, the whole stud bolt 7 is formed, and the rubber leveling ring 54 not only can prevent the poured mortar from being emptied, but also can play a role in sealing.
Further, a rubber seal ring 55 is arranged at the contact position of the end surface of the bolt bottom column 53 and the second nut 512. The rubber seal ring 55 can prevent the filling mortar from entering the thread to block and rust, and plays a role in sealing.
Specifically, but quick replacement's fishback bridge telescoping device still includes: a rotating shaft 8 is arranged on the movable comb plate 3 and the stainless steel sliding plate 6 in a penetrating way; the rotating shaft 8 includes: a shaft seat 81; a rotating shaft body 82 arranged on the shaft seat 81; and a leveling rubber pad 83 fixedly connected with the rotating shaft body 82. The shaft seat 81, the rotating shaft body 82 and the leveling rubber pad 83 are the most basic components of the rotating shaft 8; in the use process, the leveling rubber pad 83 is compressed and deformed to meet the rotation requirement of the movable comb plate 1, and plays a role in sealing.
Further, a groove 810 for placing the rotating shaft body 82 is arranged on the shaft seat 81; a first bolt hole 821 is arranged on the rotating shaft body 82; a second bolt hole 831 is formed in the leveling rubber pad 83; the first bolt hole 821 and the second bolt hole 831 each have two. The movable comb plate 1 and the shaft seat 81 can be connected together by the matching of the rotating shaft body 82 and the groove 810 and the matching of the bolt 84 and the first bolt hole 821 and the second bolt hole 831.
Further, the rotating shaft 8 further comprises a bolt 84; the bolt 84 passes through the first bolt hole 821 and the second bolt hole 831 to fixedly connect the rotating shaft body 82 and the leveling rubber pad 83. The compression deformation of the leveling rubber pad 83 can meet the rotation requirement of the movable comb plate 1, and the sealing effect is achieved.
It should be noted that, when the rotating shaft body 82 is placed in the groove 810, a surface of the rotating shaft body 82 provided with the first bolt hole 821 and a surface of the shaft seat 81 provided with the groove 810 are on the same horizontal plane. Only then, the bridge expansion device can be in a normal working state, and the bolt 84 can pass through the first bolt hole 821 and the second bolt hole 831 to connect the movable comb plate 1 with the shaft seat 81. When the surface of the rotating shaft body 8 provided with the first bolt hole 821 and the surface of the shaft seat 81 provided with the groove 810 are on the same horizontal plane, the rotating shaft body 82 rotates 90 degrees and then is separated from the shaft seat 81. When the rotating shaft 8 is damaged and needs to be replaced, the rotating shaft body 82 is rotated by 90 degrees to separate the rotating shaft body 82 from the shaft seat 81, so that the rotating shaft 8 is replaced.
Specifically, one end of the stud bolt 7, which is provided with the first nut 52, is arranged on the comb plate and the stainless steel sliding plate 6 in a penetrating manner, and the end surface of the first nut 52 and the upper surface of the comb plate are on the same horizontal plane; the end of the rotating shaft 2 provided with the bolt 84 penetrates through the movable comb plate 3 and the stainless steel sliding plate 6, and the end face of the bolt 84 and the upper surface of the movable comb plate 3 are on the same horizontal plane. Thus, the movable comb plate 1 and the fixed comb plate 2 can be connected together, the end surface of the first nut 52 and the upper surface of the comb plate are on the same horizontal plane, and the end surface of the bolt 84 and the upper surface of the movable comb plate 3 are on the same horizontal plane. The smooth state of the joint of the bridge expansion joint can be ensured.
To sum up, receive rolling of vehicle for a long time when the bridge telescoping device, stud 7 and pivot 8 receive the damage back, and the mode of changing the stud body is: firstly, rotating a nut of the stud bolt 7, taking out the damaged stud bolt body and replacing the stud bolt body with a new stud bolt body; secondly, the damaged bolt 84 of the rotating shaft 8 is ground flat, the leveling rubber pad 83 is damaged at the moment, and the rotating shaft body 82 can be taken out from the groove 810 at the upper end of the shaft seat 81 after rotating for 90 degrees; thereby replacing the new rotating shaft body 82, leveling rubber pads 83 and bolts 84.
According to the quick-replaceable comb plate bridge expansion device provided by the embodiment of the invention, through the use of the stud bolts and the rotating shaft, the damaged expansion device can be completed by replacing the stud bolts and the stud bolt bodies, when the stud bolts 7 and the rotating shaft 8 in the bridge expansion device are damaged, the whole stud bolts 7 and the rotating shaft 8 do not need to be replaced, only the stud bolt bodies need to be taken out of the bolt bottom columns 53, and the rotating shaft bodies 82 are rotated to separate the rotating shaft bodies 82 from the shaft seats 81, so that the new stud bolts 84, the stud bolt bodies and the first nuts 52 are replaced; not only saves time and labor, but also saves a large amount of cost.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. A quick replaceable comb plate bridge expansion device, comprising: the beam bodies are arranged on two sides of the bridge expansion joint;
the comb plate is arranged on the beam body;
the beam body includes: a first beam (1) and a second beam (2);
the comb plate includes: a movable comb plate (3) and a fixed comb plate (4);
the water guide device (5) is arranged between the first beam body (1) and the second beam body (2);
the movable comb plate (3) is arranged on the first beam body (1), and the fixed comb plate (4) is arranged on the second beam body (2);
a stainless steel sliding plate (6) fixedly connected with the movable comb plate (3) and the fixed comb plate (4);
it is characterized by also comprising: the stud bolts (7) penetrate through the comb plate and the stainless steel sliding plate (6);
the stud bolt (7) includes: a stud body; a first nut (52) in threaded connection with one end of the stud body, and a bolt bottom column (53) in threaded connection with the other end; one end of the stud bolt (7) provided with a first nut (52) penetrates through the comb plate and the stainless steel sliding plate (6), and the end face of the first nut (52) and the upper surface of the comb plate are on the same horizontal plane; wherein the content of the first and second substances,
the stud body includes: a second nut (512); one end of the second nut (512) is fixedly connected with a small threaded column (511), and the other end is fixedly connected with a large threaded column (513);
the small threaded column (511) is in threaded connection with the first nut (52);
a rubber leveling ring (54) is arranged at the joint of the small threaded column (511) and the first nut (52);
a large threaded hole (531) is formed in the bolt bottom column (53);
the large threaded column (513) is arranged in the large threaded hole (531), and the large threaded column (513) is in threaded connection with the large threaded hole (531);
the diameter of the large threaded column (513) is larger than the diameter of the small threaded column (511).
2. The quick replaceable comb plate bridge expansion device of claim 1, further comprising: a rotating shaft (8) which is arranged on the movable comb plate (3) and the stainless steel sliding plate (6) in a penetrating way;
the rotating shaft (8) comprises: a shaft seat (81);
a rotating shaft body (82) arranged on the shaft seat (81);
and the leveling rubber pad (83) is fixedly connected with the rotating shaft body (82).
3. The quick replaceable comb plate bridge expansion device according to claim 1, wherein a rubber sealing ring (55) is provided at the contact of the end face of the bolt bottom post (53) and the second nut (512).
4. The quick-replaceable comb plate bridge expansion device according to claim 2, wherein the shaft seat (81) is provided with a groove (810) for placing the rotating shaft body (82);
a first bolt hole (821) is formed in the rotating shaft body (82);
a second bolt hole (831) is formed in the leveling rubber pad (83);
the first bolt hole (821) and the second bolt hole (831) are both provided with two.
5. The quick replaceable comb bridge expansion device according to claim 4, wherein the face of the shaft body (82) provided with the first bolt hole (821) is at the same level as the face of the shaft seat (81) provided with the groove (810) when the shaft body (82) is placed in the groove (810).
6. The quick replaceable comb bridge expansion device according to claim 5, wherein when the face of the shaft body (82) provided with the first bolt hole (821) and the face of the shaft seat (81) provided with the groove (810) are on the same horizontal plane, the shaft body (82) rotates 90 ° and then separates from the shaft seat (81).
7. The quick-change comb bridge expansion device according to claim 4, characterized in that the spindle (8) further comprises a bolt (84);
the bolt (84) penetrates through the first bolt hole (821) and the second bolt hole (831) to fixedly connect the rotating shaft body (82) with the leveling rubber pad (83).
8. The quick-replaceable comb plate bridge expansion device according to claim 7, wherein one end of the rotating shaft (8) provided with the bolt (84) is arranged on the movable comb plate (3) and the stainless steel sliding plate (6) in a penetrating manner, and the end surface of the bolt (84) is on the same horizontal plane with the upper surface of the movable comb plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811171953.9A CN111021239B (en) | 2018-10-09 | 2018-10-09 | Comb plate bridge expansion device capable of being replaced quickly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811171953.9A CN111021239B (en) | 2018-10-09 | 2018-10-09 | Comb plate bridge expansion device capable of being replaced quickly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111021239A CN111021239A (en) | 2020-04-17 |
| CN111021239B true CN111021239B (en) | 2022-03-04 |
Family
ID=70190796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811171953.9A Active CN111021239B (en) | 2018-10-09 | 2018-10-09 | Comb plate bridge expansion device capable of being replaced quickly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111021239B (en) |
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| CN201962601U (en) * | 2011-03-10 | 2011-09-07 | 黄志福 | Three-dimensional expansion device for bridge construction |
| CN202626830U (en) * | 2012-06-21 | 2012-12-26 | 衡水中铁建布朗科技有限公司 | Modular multi-direction-displacement comb-tooth-shaped bridge expansion and contraction device |
| CN203229871U (en) * | 2013-07-05 | 2013-10-09 | 张桂冬 | Unit type changeable-position comb plate bridge telescoping device |
| CN203320411U (en) * | 2013-07-05 | 2013-12-04 | 张桂冬 | Bridge expansion device easy to replace |
| CN105951590A (en) * | 2016-07-01 | 2016-09-21 | 合肥国本桥梁特种构件有限公司 | Comb type bridge expansion and contraction device |
| CN206396629U (en) * | 2016-12-26 | 2017-08-11 | 河北省交通规划设计院 | A kind of Fast Installation fishback retractor device |
| CN107858919A (en) * | 2017-12-12 | 2018-03-30 | 衡水双盛工程橡胶有限公司 | A kind of novel fabricated bridge extension joint |
| CN209686222U (en) * | 2018-10-09 | 2019-11-26 | 河北建业工程橡胶有限公司 | A kind of fast changeable comb plate bridge expansion device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6499265B2 (en) * | 2000-09-15 | 2002-12-31 | Construction Specialties, Inc. | Expansion joint cover |
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2018
- 2018-10-09 CN CN201811171953.9A patent/CN111021239B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060126131A (en) * | 2005-06-03 | 2006-12-07 | 주식회사 일원티이씨 | Earthquake-resistant plated expansion and contraction joint using a hinge |
| CN201962601U (en) * | 2011-03-10 | 2011-09-07 | 黄志福 | Three-dimensional expansion device for bridge construction |
| CN202626830U (en) * | 2012-06-21 | 2012-12-26 | 衡水中铁建布朗科技有限公司 | Modular multi-direction-displacement comb-tooth-shaped bridge expansion and contraction device |
| CN203229871U (en) * | 2013-07-05 | 2013-10-09 | 张桂冬 | Unit type changeable-position comb plate bridge telescoping device |
| CN203320411U (en) * | 2013-07-05 | 2013-12-04 | 张桂冬 | Bridge expansion device easy to replace |
| CN105951590A (en) * | 2016-07-01 | 2016-09-21 | 合肥国本桥梁特种构件有限公司 | Comb type bridge expansion and contraction device |
| CN206396629U (en) * | 2016-12-26 | 2017-08-11 | 河北省交通规划设计院 | A kind of Fast Installation fishback retractor device |
| CN107858919A (en) * | 2017-12-12 | 2018-03-30 | 衡水双盛工程橡胶有限公司 | A kind of novel fabricated bridge extension joint |
| CN209686222U (en) * | 2018-10-09 | 2019-11-26 | 河北建业工程橡胶有限公司 | A kind of fast changeable comb plate bridge expansion device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111021239A (en) | 2020-04-17 |
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