CN112195754A - Anti-collision connecting device for bridge - Google Patents
Anti-collision connecting device for bridge Download PDFInfo
- Publication number
- CN112195754A CN112195754A CN202011024463.3A CN202011024463A CN112195754A CN 112195754 A CN112195754 A CN 112195754A CN 202011024463 A CN202011024463 A CN 202011024463A CN 112195754 A CN112195754 A CN 112195754A
- Authority
- CN
- China
- Prior art keywords
- bridge
- column
- groove
- fixedly connected
- piston
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000003139 buffering effect Effects 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 6
- 239000010720 hydraulic oil Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
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
-
- 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
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses an anti-collision connecting device for a bridge, which relates to the technical field of bridge protection and comprises two bridge bodies, wherein two bridge bodies are arranged below each bridge body, a bridge pier is arranged between each bridge pier and each bridge body, an expansion joint is arranged between the two bridge bodies, an intermediate cover is arranged in each expansion joint, a sliding seat is connected to the bottom of each bridge body in a sliding manner, a moving column is fixedly connected to the bottom end of each sliding seat, and the moving column is connected with a buffer device. Has good auxiliary effect on bridge protection.
Description
Technical Field
The invention relates to the technical field of bridge protection, in particular to an anti-collision connecting device for a bridge.
Background
The mode that the bridge breaks under the action of earthquake load is mainly caused by that pins of the support are broken to cause the upper structure of the bridge to shift. When the offset is large, the beam falling can occur, which is a serious earthquake damage of the bridge and is difficult to repair in a short time, and the disaster relief work after the earthquake is influenced, so that great economic loss is caused. The anti-collision and anti-falling device is arranged between the left bridge and the right bridge, and plays an important role in improving the shock resistance of the bridge and reducing the earthquake damage of the bridge to the maximum extent.
In the chinese patent document with publication number CN104612042B, an anti-collision connecting device for a bridge is disclosed, in which, under the action of temperature load, the speed of a piston rod pushing a piston is slow, so that free telescopic deformation can be realized without affecting the release of temperature stress of left and right beams; under the action of earthquake load, the movement speed between the left beam body and the right beam body is higher, because the pore space on the piston is smaller, liquid or air in the pore space cannot flow in the sleeve in time, larger resistance can be generated, the load acting on the left beam body and the right beam body can be uniformly transmitted to a plurality of beam bodies of the bridge, the simply supported bridge is converted into a continuous bridge, the earthquake load is uniformly distributed on each span, but the device can only buffer the horizontal and transverse movement of the bridge, and cannot realize the buffer protection of the horizontal and longitudinal movement, has certain disadvantages and is to be further improved.
Disclosure of Invention
The invention provides an anti-collision connecting device for a bridge, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an anticollision connecting device for bridge, including the bridge body, the bridge body is equipped with two, the below of bridge body is equipped with the pier, be equipped with the support between pier and the bridge body, be equipped with the expansion joint between two bridge bodies, be equipped with middle cover in the expansion joint, adjacent one side fixed connection fixed column of two bridge bodies, the fixed column is connected with middle cover, the pier internal fixation of middle cover below is equipped with buffer, fixed connection fixed tubular column between buffer and the middle cover, the bottom sliding connection slide of bridge body, the bottom fixed connection of slide removes the post, it is connected with buffer to remove the post.
As a preferred technical scheme of the invention, a first transverse through groove and a first vertical through groove are formed in the middle cover, one end of the fixing column extends into the first transverse through groove and is fixedly connected with the first piston plate, and the first transverse through groove is communicated with the first vertical through groove.
As a preferred technical scheme, the buffering device comprises a bottom shell embedded in the top of the bridge body, the bottom end in the bottom shell is fixedly connected with a fixed box, the top of the fixed box is fixedly connected with a fixed pipe column, the side edge of the fixed box is fixedly connected with a piston cylinder, a piston column is arranged in the piston cylinder, the end part of the piston column is rotatably connected with a movable column, and one end, far away from the piston column, of the movable column is rotatably connected with the movable column.
As a preferable technical solution of the present invention, the top of the bottom case is provided with a passing groove corresponding to the moving post.
As a preferred technical scheme, one end of the piston column, which is positioned in the piston cylinder, is fixedly connected with a second piston plate, an inner sealing block is fixedly arranged in the fixing box, the center of the inner sealing block is provided with a middle pressure cavity, two sides and the top end of the middle pressure cavity are respectively provided with a second transverse through groove and a second vertical through groove, four corners of the inner sealing block are respectively provided with adjusting cavities, and the adjusting cavities are communicated with the middle pressure cavity.
As a preferable technical scheme of the invention, a blocking block is fixedly arranged at the joint of the adjusting cavity and the intermediate pressure cavity, and a plurality of circulation holes are formed in the blocking block.
As a preferable technical scheme of the invention, a detection device is arranged in the intermediate pressure cavity, the detection device comprises an installation pipe fixedly arranged at the bottom of the intermediate pressure cavity, the top end of the installation pipe is fixedly connected with a spherical shell, a plurality of pressure holes are formed in the spherical shell, an elastic ball is arranged in the spherical shell, and the interior of the elastic ball is arranged in a hollow manner.
As a preferred technical scheme of the present invention, hydraulic oil is disposed in the first vertical through groove, the first horizontal through groove, the fixed pipe column, the second vertical through groove, the second horizontal through groove, and the intermediate pressure chamber.
As a preferred technical solution of the present invention, the fixed column includes a first sliding column and a second sliding column, the first sliding column is slidably connected to an adjacent end of the second sliding column, the first sliding column is fixedly connected to the bridge body, and the second sliding column is fixedly connected to the first piston plate.
The invention has the following advantages: the invention can realize the movement buffering of the bridge in the horizontal and transverse directions by arranging the middle cover and the buffering device, can realize the translation buffering of the bridge in the horizontal and longitudinal directions, has the capability of multi-directional buffering and anti-collision, has good protection performance on the bridge, and can detect the power of the instantaneous movement of the bridge by arranging the detection device, thereby realizing the monitoring of the movement condition of the bridge and having good auxiliary effect on the bridge protection.
Drawings
Fig. 1 is a schematic structural diagram of an anti-collision connecting device for a bridge.
Fig. 2 is a schematic structural view of an intermediate cover in the anti-collision connecting device for a bridge.
Fig. 3 is a schematic structural diagram of a buffer device in the anti-collision connecting device for a bridge.
Fig. 4 is a schematic structural view of a fixing box in the anti-collision connecting device for a bridge.
Fig. 5 is a schematic structural diagram of a detection device in the anti-collision connection device for a bridge.
In the figure: 1. a bridge body; 2. a bridge pier; 3. a support; 4. a middle cover; 5. fixing a column; 6. moving the column; 7. fixing the pipe column; 8. a first transverse through slot; 9. a first vertical through-slot; 10. a first piston plate; 11. a buffer device; 12. a chute; 13. a slide base; 14. a bottom case; 15. a fixed box; 16. a piston cylinder; 17. a movable post; 18. passing through the slot; 19. an inner closing block; 20. a second vertical through groove; 21. a second transverse through slot; 22. an intermediate pressure chamber; 23. an adjustment chamber; 24. a barrier block; 25. a flow-through hole; 26. fixing a column; 27. a spherical shell; 28. a pressure port; 29. a bounce ball.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1-4, an anti-collision connecting device for a bridge comprises a bridge body 1, two bridge bodies 1 are provided, a pier 2 is provided below the bridge body 1, a support 3 is provided between the pier 2 and the bridge body 1, an expansion joint is provided between the two bridge bodies 1, an intermediate cover 4 is provided in the expansion joint, a fixed column 5 is fixedly connected to one side adjacent to the two bridge bodies 1, the fixed column 5 is connected to the intermediate cover 4, a buffer device 11 is fixedly provided in the pier 2 below the intermediate cover 4, a fixed tubular column 7 is fixedly connected between the buffer device 11 and the intermediate cover 4, a sliding seat 13 is slidably connected to the bottom of the bridge body 1, a movable column 6 is fixedly connected to the bottom of the sliding seat 13, and the movable column 6 is connected to the buffer.
A first transverse through groove 8 and a first vertical through groove 9 are formed in the middle cover 4, one end of the fixing column 5 extends into the first transverse through groove 8 and is fixedly connected with a first piston plate 10, and the first transverse through groove 8 is communicated with the first vertical through groove 9.
The top of the bottom shell 14 is opened with a passing groove 18 corresponding to the moving column 6.
The piston post is located the one end fixed connection second piston plate of piston cylinder 16, and fixed case 15 internal fixation is equipped with interior closed block 19, and middle pressure chamber 22 has been seted up at the central authorities of interior closed block 19, and the horizontal logical groove 21 of second and the vertical logical groove 20 of second have been seted up respectively on the both sides and the top of middle pressure chamber 22, and regulation chamber 23 has all been seted up in the four corners of interior closed block 19, and regulation chamber 23 is linked together with middle pressure chamber 22.
A blocking block 24 is fixedly arranged at the joint of the adjusting cavity 23 and the middle pressure cavity 22, and a plurality of circulation holes 25 are formed in the blocking block 24.
And hydraulic oil is arranged in the first vertical through groove 9, the first transverse through groove 8, the fixed pipe column 7, the second vertical through groove 20, the second transverse through groove 21 and the middle pressure cavity 22.
The fixed column 5 comprises a first sliding column and a second sliding column, the adjacent ends of the first sliding column and the second sliding column are in sliding connection, the first sliding column is fixedly connected with the bridge body 1, and the second sliding column is fixedly connected with the first piston plate 10.
Example 2
Referring to fig. 1 to 5, the other contents of the present embodiment are the same as embodiment 1, except that: be equipped with detection device in the intermediate pressure chamber 22, detection device is including fixed the installation pipe 26 that sets up in intermediate pressure chamber 22 bottom, and the top fixed connection spherical shell 27 of installation pipe 26 has seted up a plurality of pressure holes 28 on the spherical shell 27, is equipped with the bouncing ball 29 in the spherical shell 27, and the inside hollow setting of bouncing ball 29, bouncing ball 29 are made for the silica gel material, and bouncing ball 29 is inside to be equipped with pressure sensor.
In the implementation process of the invention, when two bridge bodies 1 move transversely, the fixed column 5 is pulled or pressed to enable the first piston plate 10 to move in the first transverse through groove 8, so that hydraulic oil is pressed to pass through the circulation hole 25 to realize buffering, when the bridge bodies 1 move longitudinally, the movable column 6 is driven to move, so that the movable column 17 is pulled to enable the piston column to drive the second piston plate to move, so that the hydraulic oil is pressed to pass through the circulation hole 25 to realize buffering, when the bridge bodies 1 are stressed in a large moment, the pressure of the hydraulic oil in the middle pressure cavity 22 can be increased or reduced sharply, so that the elastic ball 29 can be pressed or extruded from the pressure hole 28 when negative pressure is generated outside, synchronous pressure change is realized inside the elastic ball 29, and the pressure detection is convenient.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. An anti-collision connecting device for a bridge comprises two bridge bodies (1), wherein two bridge bodies (1) are arranged, a pier (2) is arranged below the bridge body (1), a support (3) is arranged between the pier (2) and the bridge body (1), the expansion joint is characterized in that an expansion joint is arranged between the two bridge bodies (1), a middle cover (4) is arranged in the expansion joint, a fixed column (5) is fixedly connected to one adjacent side of the two bridge bodies (1), the fixed column (5) is connected with the middle cover (4), a buffer device (11) is fixedly arranged in the bridge pier (2) below the middle cover (4), a fixed tubular column (7) is fixedly connected between the buffer device (11) and the middle cover (4), a sliding seat (13) is slidably connected to the bottom of the bridge bodies (1), a movable column (6) is fixedly connected to the bottom of the sliding seat (13), and the movable column (6) is connected with the buffer device (11).
2. The anti-collision connecting device for the bridge according to claim 1, wherein a first transverse through groove (8) and a first vertical through groove (9) are formed in the middle cover (4), one end of the fixing column (5) extends into the first transverse through groove (8) and is fixedly connected with the first piston plate (10), and the first transverse through groove (8) is communicated with the first vertical through groove (9).
3. The anti-collision connecting device for the bridge is characterized in that the buffering device (11) comprises a bottom shell (14) embedded at the top of the bridge body (1), a fixed box (15) is fixedly connected to the bottom end in the bottom shell (14), the top of the fixed box (15) is fixedly connected with the fixed pipe column (7), a piston cylinder (16) is fixedly connected to the side of the fixed box (15), a piston column is arranged in the piston cylinder (16), the end of the piston column is rotatably connected with a movable column (17), and one end, away from the piston column, of the movable column (17) is rotatably connected with the movable column (6).
4. The anticollision connection device for bridges according to claim 3, characterized in that the top of the bottom shell (14) is opened with a through slot (18) corresponding to the mobile post (6).
5. The anti-collision connecting device for the bridge according to claim 3, wherein one end of the piston column located in the piston cylinder (16) is fixedly connected with a second piston plate, an inner sealing block (19) is fixedly arranged in the fixing box (15), a middle pressure cavity (22) is formed in the center of the inner sealing block (19), two sides and the top end of the middle pressure cavity (22) are respectively provided with a second transverse through groove (21) and a second vertical through groove (20), four corners of the inner sealing block (19) are respectively provided with adjusting cavities (23), and the adjusting cavities (23) are communicated with the middle pressure cavity (22).
6. The anti-collision connecting device for the bridge according to claim 5, wherein a blocking block (24) is fixedly arranged at the joint of the adjusting cavity (23) and the middle pressure cavity (22), and a plurality of flow holes (25) are formed in the blocking block (24).
7. The anti-collision connecting device for the bridge according to claim 5, wherein a detecting device is arranged in the intermediate pressure chamber (22), the detecting device comprises a mounting pipe (26) fixedly arranged at the bottom of the intermediate pressure chamber (22), the top end of the mounting pipe (26) is fixedly connected with a spherical shell (27), a plurality of pressure holes (28) are formed in the spherical shell (27), an elastic ball (29) is arranged in the spherical shell (27), and the elastic ball (29) is arranged in a hollow manner.
8. The anti-collision connecting device for the bridge according to claim 5, wherein hydraulic oil is arranged in the first vertical through groove (9), the first transverse through groove (8), the fixed pipe column (7), the second vertical through groove (20), the second transverse through groove (21) and the middle pressure cavity (22).
9. The anticollision connection device for a bridge according to claim 1, characterized in that the fixed column (5) comprises a first sliding column and a second sliding column, the first sliding column being in sliding connection with the adjacent end of the second sliding column, the first sliding column being fixedly connected with the bridge body (1), the second sliding column being fixedly connected with the first piston plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011024463.3A CN112195754B (en) | 2020-09-25 | 2020-09-25 | Anti-collision connecting device for bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011024463.3A CN112195754B (en) | 2020-09-25 | 2020-09-25 | Anti-collision connecting device for bridge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112195754A true CN112195754A (en) | 2021-01-08 |
| CN112195754B CN112195754B (en) | 2022-08-05 |
Family
ID=74006635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011024463.3A Expired - Fee Related CN112195754B (en) | 2020-09-25 | 2020-09-25 | Anti-collision connecting device for bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112195754B (en) |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NZ244984A (en) * | 1991-11-07 | 1996-07-26 | Public Works Research Inst Min | Adjustable damper apparatus responsive to sensed acceleration forces |
| KR20060057306A (en) * | 2004-11-23 | 2006-05-26 | 현대제철 주식회사 | Unification structure for pier and girder of bridge and construction method thereof |
| CN102877408A (en) * | 2012-11-06 | 2013-01-16 | 北京国道通公路设计研究院股份有限公司 | Anti-collision device of multi-stage falling-proof beam |
| CN104612042A (en) * | 2013-12-05 | 2015-05-13 | 深圳市市政设计研究院有限公司 | Anti-collision connecting device for bridge |
| CN106351114A (en) * | 2016-09-26 | 2017-01-25 | 石家庄铁道大学 | Multi-level anti-seismic device capable of preventing bridge from colliding and falling |
| CN107503283A (en) * | 2017-08-09 | 2017-12-22 | 南昌大学 | Buffering energy-consumption type chain bridge anti-fall girder apparatus and its construction method |
| KR101830863B1 (en) * | 2017-04-05 | 2018-02-21 | 용일토건 주식회사 | Hydraulic stopper for seismic control of bridge, and construction method for the same |
| CN108374335A (en) * | 2018-05-10 | 2018-08-07 | 长安大学 | A kind of multiple protective girder girder falling and energy-consuming device and preparation method thereof |
| CN109594466A (en) * | 2019-02-14 | 2019-04-09 | 重庆交通大学 | A kind of anti-fall beam construction that can effectively consume energy |
| CN109736185A (en) * | 2019-03-12 | 2019-05-10 | 防灾科技学院 | A kind of novel girder falling damper and the damping system containing it |
| CN209039961U (en) * | 2018-11-15 | 2019-06-28 | 长江师范学院 | Multi-direction antidetonation limiting device and stub bridge earthquake resistance structure |
| CN209039962U (en) * | 2018-11-15 | 2019-06-28 | 长江师范学院 | A kind of multi-direction antidetonation limiting device and bridge earthquake resistance structure |
| CN211036673U (en) * | 2019-09-24 | 2020-07-17 | 温晓曦 | Bridge connecting device convenient to disassemble |
| CN111441241A (en) * | 2020-04-13 | 2020-07-24 | 南昌大学 | Bridge anti-seismic damper structure with rotational friction energy consumption |
| CN111455823A (en) * | 2020-04-30 | 2020-07-28 | 重庆交通大学 | Longitudinal beam falling prevention device |
| CN211256625U (en) * | 2019-09-12 | 2020-08-14 | 贺海宽 | Combined spliced damping bridge structure |
-
2020
- 2020-09-25 CN CN202011024463.3A patent/CN112195754B/en not_active Expired - Fee Related
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NZ244984A (en) * | 1991-11-07 | 1996-07-26 | Public Works Research Inst Min | Adjustable damper apparatus responsive to sensed acceleration forces |
| KR20060057306A (en) * | 2004-11-23 | 2006-05-26 | 현대제철 주식회사 | Unification structure for pier and girder of bridge and construction method thereof |
| CN102877408A (en) * | 2012-11-06 | 2013-01-16 | 北京国道通公路设计研究院股份有限公司 | Anti-collision device of multi-stage falling-proof beam |
| CN104612042A (en) * | 2013-12-05 | 2015-05-13 | 深圳市市政设计研究院有限公司 | Anti-collision connecting device for bridge |
| CN106351114A (en) * | 2016-09-26 | 2017-01-25 | 石家庄铁道大学 | Multi-level anti-seismic device capable of preventing bridge from colliding and falling |
| KR101830863B1 (en) * | 2017-04-05 | 2018-02-21 | 용일토건 주식회사 | Hydraulic stopper for seismic control of bridge, and construction method for the same |
| CN107503283A (en) * | 2017-08-09 | 2017-12-22 | 南昌大学 | Buffering energy-consumption type chain bridge anti-fall girder apparatus and its construction method |
| CN108374335A (en) * | 2018-05-10 | 2018-08-07 | 长安大学 | A kind of multiple protective girder girder falling and energy-consuming device and preparation method thereof |
| CN209039961U (en) * | 2018-11-15 | 2019-06-28 | 长江师范学院 | Multi-direction antidetonation limiting device and stub bridge earthquake resistance structure |
| CN209039962U (en) * | 2018-11-15 | 2019-06-28 | 长江师范学院 | A kind of multi-direction antidetonation limiting device and bridge earthquake resistance structure |
| CN109594466A (en) * | 2019-02-14 | 2019-04-09 | 重庆交通大学 | A kind of anti-fall beam construction that can effectively consume energy |
| CN109736185A (en) * | 2019-03-12 | 2019-05-10 | 防灾科技学院 | A kind of novel girder falling damper and the damping system containing it |
| CN211256625U (en) * | 2019-09-12 | 2020-08-14 | 贺海宽 | Combined spliced damping bridge structure |
| CN211036673U (en) * | 2019-09-24 | 2020-07-17 | 温晓曦 | Bridge connecting device convenient to disassemble |
| CN111441241A (en) * | 2020-04-13 | 2020-07-24 | 南昌大学 | Bridge anti-seismic damper structure with rotational friction energy consumption |
| CN111455823A (en) * | 2020-04-30 | 2020-07-28 | 重庆交通大学 | Longitudinal beam falling prevention device |
Non-Patent Citations (1)
| Title |
|---|
| 张钦宇: "地震作用下桥梁防碰撞及防落梁措施研究综述", 《地震工程与工程振动》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112195754B (en) | 2022-08-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2020151617A1 (en) | Negative rigidity shock reduction and isolation device for continuous beam | |
| CN108443395B (en) | Double-output-rod parallel buffer and application thereof | |
| CN112195754B (en) | Anti-collision connecting device for bridge | |
| CN112144379A (en) | Assembled buffering beam falling prevention device | |
| CN208565399U (en) | A kind of parallel buffer of double rods and buffer system | |
| CN103526690B (en) | Locking device for bridge structure shock absorption control | |
| CN111379818A (en) | Low-frequency corner-free shock absorber | |
| CN201027893Y (en) | Pressure limiting valve hydraulic damper | |
| CN116464181A (en) | Truss damping device | |
| CN209799057U (en) | Multistage energy-consumption composite buckling-restrained brace | |
| CN114033063B (en) | Damping device for building engineering based on BIM assembly | |
| CN202688868U (en) | Movable elastic-plastic damping bridge support | |
| CN214304640U (en) | Damping base for hydraulic oil cylinder | |
| CN109371825B (en) | Novel shock attenuation energy dissipation support | |
| CN113882239A (en) | Self-reset multistage variable-rigidity viscous damper | |
| CN216952019U (en) | Cold-plating anti-seismic support and hanger for transverse seismic force | |
| CN215952607U (en) | Wireless intelligent sensor with anti falling property | |
| CN219342820U (en) | Bridge damping device | |
| CN219032909U (en) | Damping energy-dissipation type beam falling prevention device | |
| CN115897839B (en) | Shock absorbing and isolating structure of building | |
| CN110184902B (en) | Combined type anti-collision energy-consumption damping device for bridge structure | |
| CN211536628U (en) | Fixing frame of chromatographic column protective column | |
| CN221143140U (en) | Anti-collision device for shockproof joint | |
| CN211693352U (en) | Damping device for machinery | |
| CN220964781U (en) | Spliced photovoltaic panel aluminum frame |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220805 |