CN113062208A - Viaduct vibration reduction support - Google Patents
Viaduct vibration reduction support Download PDFInfo
- Publication number
- CN113062208A CN113062208A CN202110294446.XA CN202110294446A CN113062208A CN 113062208 A CN113062208 A CN 113062208A CN 202110294446 A CN202110294446 A CN 202110294446A CN 113062208 A CN113062208 A CN 113062208A
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- Prior art keywords
- support
- supporting
- plate
- adjusting
- air
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- 230000009467 reduction Effects 0.000 title description 4
- 230000008093 supporting effect Effects 0.000 claims abstract description 76
- 230000007246 mechanism Effects 0.000 claims abstract description 47
- 238000013016 damping Methods 0.000 claims abstract description 24
- 230000003139 buffering effect Effects 0.000 claims abstract description 11
- 230000003993 interaction Effects 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 7
- 238000005457 optimization Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 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
- E01D19/04—Bearings; Hinges
-
- 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
- E01D19/04—Bearings; Hinges
- E01D19/041—Elastomeric bearings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention relates to an overhead bridge vibration damping support which comprises a support plate and a bottom bearing plate arranged below the support plate, wherein a plurality of support adjusting mechanisms, balance supporting mechanisms and buffer supporting mechanisms are connected between the support plate and the bottom bearing plate; the support adjusting mechanism comprises a connecting column connected to the lower end of the supporting plate, an inner circular disc arranged inside the connecting column, an adjusting supporting column connected to the inner circular disc and an external thread arranged on the outer wall of the lower end of the adjusting supporting column, wherein a moving cavity for the inner circular disc to reciprocate up and down is arranged inside the connecting column, and a plurality of adjusting screw holes matched with the adjusting supporting column are formed in the bottom bearing plate. This overpass roof beam damping support, the distance between regulation backup pad that can be convenient and the bottom plate board is applicable to the bridge of co-altitude not, and the buffering supporting effect of this support can produce corresponding adaptability along with the change of distance between backup pad and the bottom plate board and change, can not lead to the fact the influence to its buffering supporting effect, and stability is higher.
Description
Technical Field
The invention belongs to the technical field of viaducts, and particularly relates to a vibration reduction support for a viaduct.
Background
Viaducts, i.e. overpasses, in particular bridges resting on a series of narrow reinforced concrete or masonry arches, with high-support towers or pillars, spanning valleys, rivers, roads or other low obstacles, bridge supports are erected on the abutments, the top surface of which supports the superstructure of the bridge, the function of which is to fix the superstructure to the abutments, to withstand the various forces acting on the superstructure and to transmit it reliably to the abutments, the supports being important force-transmitting means of the bridge.
The original height of the support is fixed under the condition of no stress of the common support at present, and the support cannot be conveniently adjusted, so that different supports need to be designed to match with corresponding elevated bridges when different bridges are erected, the design cost and the manufacturing cost are higher, the common support at present mostly adopts springs or soft substances such as silica gel, plastic and the like to buffer when the vibration reduction function is realized, the manufacturing cost is higher, and the damage is easy to occur after long-time use.
Disclosure of Invention
The invention aims to solve the problems and provide the shock absorption support for the viaduct, which has a simple structure and a reasonable design.
The invention realizes the purpose through the following technical scheme:
a shock absorption support for a viaduct bridge comprises a supporting plate and a bottom bearing plate arranged below the supporting plate, wherein a plurality of supporting and adjusting mechanisms, a balance supporting mechanism and a buffer supporting mechanism are connected between the supporting plate and the bottom bearing plate;
the support adjusting mechanism comprises a connecting column connected to the lower end of the supporting plate, an inner circular disc arranged in the connecting column, an adjusting supporting column connected to the inner circular disc and an external thread arranged on the outer wall of the lower end of the adjusting supporting column, wherein a moving cavity for the inner circular disc to reciprocate up and down is arranged in the connecting column, and a plurality of adjusting screw holes matched with the adjusting supporting column are formed in the bottom bearing plate;
the buffer support mechanism comprises a telescopic air bag, a connecting disc connected to the upper end and the lower end of the telescopic air bag, a buffer support spring arranged in the telescopic air bag, a center hole arranged at the center of the connecting disc at the upper end of the telescopic air bag, a vent plate connected to the center hole, a plurality of air inlets and an air outlet hole arranged on the vent plate, and an air flow adjusting sheet connected to the lower end face of the vent plate, wherein the air flow adjusting sheet covers the plurality of air inlets, and an air interaction channel matched with the vent plate is arranged on the supporting plate.
As a further optimization scheme of the invention, the upper end of the support plate is provided with a plurality of bolt adapting grooves, the lower end of the support plate is provided with a plurality of connecting installation grooves, and a plurality of bolt holes are arranged between the bolt adapting grooves and the connecting installation grooves.
As a further optimization scheme of the invention, the air interaction channel comprises an air inlet channel and an air outlet channel which are arranged in the support plate, and an auxiliary air inlet hole and an auxiliary air outlet hole which are arranged on the side wall of the support plate, wherein the air inlet hole is communicated with the auxiliary air inlet hole through the air inlet channel, and the air outlet hole is communicated with the auxiliary air outlet hole through the air outlet channel.
As a further optimization scheme of the invention, a plurality of through holes are arranged on the connecting discs, a plurality of connecting grooves are arranged at the upper end of the bottom bearing plate, the connecting discs connected with the upper end of the telescopic air bag are positioned in the connecting installation groove, the connecting discs connected with the lower end of the telescopic air bag are positioned in the connecting grooves, and the buffer supporting spring is connected with the connecting discs.
As a further optimization scheme of the invention, the balance support mechanism comprises a moving groove arranged at the upper end of the bottom support plate, sliding grooves arranged on the inner walls at two sides of the moving groove, a support block arranged in the moving groove, sliding blocks connected to two side walls of the support block, a plurality of rotating grooves arranged at the upper end of the support block, a central shaft connected to the inner walls of the rotating grooves and a support rod movably connected to the central shaft, wherein one end of the support rod is hinged with the lower end of the support plate.
As a further optimization scheme of the invention, damping layers are arranged on the inner wall of the sliding chute and the outer wall of the sliding block, and the damping layers on the inner wall of the sliding chute are in contact with the damping layers on the outer wall of the sliding block.
As a further optimization scheme of the invention, a spring is connected between the supporting block and the inner wall of the moving groove.
The invention has the beneficial effects that:
1) the invention can adjust the distance between the supporting plate and the bottom bearing plate, can conveniently adjust the height of the whole support through the supporting and adjusting mechanism, has wider application range, can also adjust the balance supporting mechanism and the buffer supporting mechanism in the support adaptively when adjusting the height, can keep the whole support in a stable buffer vibration attenuation state, and has higher stability;
2) the buffer support mechanism adopts a buffer mode combining machinery and air flow, and a buffer support spring in the buffer support mechanism can play the roles of buffering, supporting and damping, wherein when the telescopic air bag is under pressure, internal air can be slowly exhausted from the exhaust hole, so that an auxiliary buffer effect can be played for the buffer support spring, the telescopic air bag is compressed along with the compression of the buffer support spring, when the buffer support spring reaches a stable state, the air in the telescopic air bag is kept in a stable circulating state with the outside, and when the buffer support spring is in a rebound state, air can be rapidly supplemented from an air inlet so as to be buffered for use when the buffer support spring is stressed again;
3) the invention has simple structure, high stability, reasonable design and convenient realization.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the cushion support mechanism of the present invention;
FIG. 3 is an enlarged view at A of the present invention;
FIG. 4 is a partial cross-sectional view of the support plate of the present invention;
fig. 5 is a schematic structural view of the support adjustment mechanism of the present invention.
In the figure: 1. a support plate; 101. a bolt-fitting groove; 102. an auxiliary air intake; 103. an auxiliary exhaust hole; 104. connecting the mounting groove; 105. bolt holes; 106. an exhaust passage; 107. an air intake passage; 2. a base plate; 201. adjusting the screw hole; 202. connecting grooves; 3. a support adjustment mechanism; 301. connecting columns; 302. an inner circular disc; 303. adjusting the supporting columns; 304. an external thread; 4. a balance support mechanism; 401. a moving groove; 402. a chute; 403. a support block; 404. a slider; 405. a rotating tank; 406. a central shaft; 407. a support bar; 5. a buffer support mechanism; 501. a telescopic air bag; 502. a connecting disc; 503. a central bore; 504. a breather plate; 505. an airflow adjustment flap; 506. an air inlet; 507. an exhaust hole; 508. the buffer supports the spring.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
Example 1
As shown in fig. 1, a vibration damping support for a viaduct comprises a support plate 1 and a base plate 2 arranged below the support plate 1, wherein a plurality of support adjusting mechanisms 3, balance supporting mechanisms 4 and buffer supporting mechanisms 5 are connected between the support plate 1 and the base plate 2;
wherein, support the distance between adjustment supporting plate 1 that adjustment mechanism 3 can be convenient and fast and the bottom plate 2, balanced supporting mechanism 4 is used for the pressure that the 1 both sides of balanced supporting plate received, and buffering supporting mechanism 5 then provides main support, buffering and damping effect for backup pad 1.
As shown in fig. 5, the support adjusting mechanism 3 includes a connecting column 301 connected to the lower end of the support plate 1, an inner disc 302 arranged inside the connecting column 301, an adjusting support column 303 connected to the inner disc 302, and an external thread 304 arranged on the outer wall of the lower end of the adjusting support column 303, wherein a moving chamber for the inner disc 302 to reciprocate up and down is arranged inside the connecting column 301, and a plurality of adjusting screw holes 201 matched with the adjusting support column 303 are arranged on the bottom support plate 2; the lower end of the adjusting support column 303 is located in the adjusting screw hole 201, when the adjusting support column 303 is rotated, the lower end of the adjusting support column 303 is gradually screwed into the adjusting screw hole 201 and drives the inner disc 302 and the connecting column 301 to move downwards together, and the distance between the supporting plate 1 and the bottom support plate 2 can be conveniently adjusted.
Because the movable chamber is arranged in the connecting column 301, the inner disc 302 contacts with the lower end wall of the movable chamber when moving downwards, and a distance exists between the inner disc 302 and the upper end wall of the movable chamber.
As shown in fig. 2, the buffer support mechanism 5 includes a telescopic airbag 501, a connecting plate 502 connected to the upper and lower ends of the telescopic airbag 501, a buffer support spring 508 disposed in the telescopic airbag 501, a central hole 503 disposed at the center of the connecting plate 502 at the upper end of the telescopic airbag 501, a vent plate 504 connected to the central hole 503, a plurality of air inlet holes 506 and an air outlet hole 507 disposed on the vent plate 504, and an air flow adjusting sheet 505 connected to the lower end surface of the vent plate 504, wherein the air flow adjusting sheet 505 covers the plurality of air inlet holes 506, and an air interaction channel matched with the vent plate 504 is disposed on the support plate 1.
As shown in fig. 1 and 4, the air exchange passage includes an air inlet passage 107 and an air outlet passage 106 provided in the support plate 1, and an auxiliary air inlet hole 102 and an auxiliary air outlet hole 103 provided on a side wall of the support plate 1, the air inlet hole 506 communicates with the auxiliary air inlet hole 102 through the air inlet passage 107, and the air outlet hole 507 communicates with the auxiliary air outlet hole 103 through the air outlet passage 106.
When the supporting plate 1 receives pressure, the supporting plate 1 moves downwards and presses the buffer supporting mechanism 5 and the balance supporting mechanism 4, the buffer supporting spring 508 in the buffer supporting mechanism 5 is pressed and starts to be compressed, the telescopic airbag 501 is compressed along with the compression of the buffer supporting spring 508, at this time, the plurality of air inlet holes 506 are shielded by the air flow adjusting sheet 505, the air in the telescopic airbag 501 can be discharged from only one single air outlet hole 507, the air discharge amount in the state is small, therefore, the telescopic airbag 501 can play a certain buffer role for assisting the buffer supporting and the vibration damping of the buffer supporting spring 508, when the buffer supporting spring 508 is in a stable state, the air in the telescopic airbag 501 and the outside air are in a stable circulation state, and when the buffer supporting spring 508 recovers to an initial state, the outside air can enter from the plurality of air inlet holes 506 and the air outlet holes 507 simultaneously, air in the telescopic air bag 501 can be quickly supplemented, and the buffer bag is convenient to use when buffering again.
As shown in fig. 1 and 4, the upper end of the support plate 1 is provided with a plurality of bolt adapting grooves 101, the lower end of the support plate 1 is provided with a plurality of connecting installation grooves 104, and a plurality of bolt holes 105 are formed between the bolt adapting grooves 101 and the connecting installation grooves 104.
As shown in fig. 1 and 4, each of the connecting discs 502 is provided with a plurality of through holes, the upper end of the bottom plate 2 is provided with a plurality of connecting grooves 202, the connecting disc 502 connected to the upper end of the telescopic airbag 501 is located in the connecting installation groove 104, the connecting disc 502 connected to the lower end of the telescopic airbag 501 is located in the connecting groove 202, and the buffer support spring 508 is connected to the connecting disc 502.
The connection pad 502 is connected to the support plate 1 and the bottom support plate 2 through a connection bolt or a screw, so that the installation is convenient, and the disassembly and the replacement are convenient.
As shown in fig. 3, the balance support mechanism 4 includes a moving slot 401 disposed at the upper end of the bottom support plate 2, sliding slots 402 disposed on the inner walls of the two sides of the moving slot 401, a support block 403 disposed in the moving slot 401, sliding blocks 404 connected to the two side walls of the support block 403, a plurality of rotating slots 405 disposed at the upper end of the support block 403, a central shaft 406 connected to the inner walls of the rotating slots 405, and a support rod 407 movably connected to the central shaft 406, wherein one end of the support rod 407 is hinged to the lower end of the support.
Damping layers are arranged on the inner wall of the sliding groove 402 and the outer wall of the sliding block 404, and the damping layers on the inner wall of the sliding groove 402 are in contact with the damping layers on the outer wall of the sliding block 404. A spring is connected between the supporting block 403 and the inner wall of the moving groove 401.
The friction force between the damping layers and the spring can offset part of the pressure applied to the supporting plate 1.
When the supporting plate 1 receives pressure, the supporting plate 1 moves downwards and extrudes the buffer supporting mechanism 5 and the balance supporting mechanism 4, the supporting rod 407 in the balance supporting mechanism 4 is stressed and transmits component force to the supporting block 403, the supporting block 403 partially offsets the component force through the damping layer and the spring, the supporting block 403 moves towards the middle position of the bottom plate 2 along with the downward movement of the supporting plate 1 until the pressure received by the supporting plate 1 and the buffer supporting force received by the supporting plate are the same, and the whole supporting seat is in a stable state.
When the support is used, the distance between the support plate 1 and the bottom support plate 2 is adjusted according to actual use requirements, the adjusting process is as described above, at this time, the distance exists between the inner circular disc 302 and the upper end wall of the moving chamber, when the support plate 1 is under pressure, the support plate 1 moves downwards, at this time, the connecting column 301 moves downwards, the buffering support mechanism 5 and the balance support mechanism 4 are both in a pressed state, the whole process of buffering, supporting and balancing of the buffering support mechanism 5 and the balance support mechanism 4 is as described above, after the buffering support mechanism 5 and the balance support mechanism 4 balance the pressure borne by the support plate 1, the whole support is in a stable state, at this time, the position relationship between the inner circular disc 302 and the upper end wall of the moving chamber has the following two states in total, the first state is that a gap still exists between the two states, and the second state is that the two, the adjustment support 303 may be pressed when in contact, and a certain reaction force may be provided by the rotational friction between the external thread 304 and the adjustment screw hole 201.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (7)
1. The utility model provides a overpass damping support, includes backup pad (1) and locates bottom plate (2) of backup pad (1) below, its characterized in that: a plurality of supporting and adjusting mechanisms (3), a balance supporting mechanism (4) and a buffer supporting mechanism (5) are connected between the supporting plate (1) and the bottom bearing plate (2);
the support adjusting mechanism (3) comprises a connecting column (301) connected to the lower end of the support plate (1), an inner disc (302) arranged inside the connecting column (301), an adjusting support column (303) connected to the inner disc (302) and an external thread (304) arranged on the outer wall of the lower end of the adjusting support column (303), wherein a moving chamber for the inner disc (302) to reciprocate up and down is arranged inside the connecting column (301), and a plurality of adjusting screw holes (201) matched with the adjusting support column (303) are formed in the bottom support plate (2);
the buffer support mechanism (5) comprises a telescopic air bag (501), a connecting disc (502) connected to the upper end and the lower end of the telescopic air bag (501), a buffer support spring (508) arranged in the telescopic air bag (501), a central hole (503) arranged at the center of the connecting disc (502) at the upper end of the telescopic air bag (501), a vent plate (504) connected to the central hole (503), a plurality of air inlets (506) and an exhaust hole (507) arranged on the vent plate (504), and an air flow adjusting sheet (505) connected to the lower end face of the vent plate (504), wherein the air flow adjusting sheet (505) covers the plurality of air inlets (506), and an air interaction channel matched with the vent plate (504) is arranged on the support plate (1).
2. The viaduct vibration damping mount according to claim 1, wherein: the upper end of backup pad (1) is equipped with a plurality of bolt adaptation groove (101), and the lower extreme of backup pad (1) is equipped with a plurality of connection mounting groove (104), has seted up a plurality of bolt hole (105) between bolt adaptation groove (101) and connection mounting groove (104).
3. The viaduct vibration damping mount according to claim 1, wherein: the air interaction channel comprises an air inlet channel (107) and an air outlet channel (106) which are arranged in the support plate (1), and an auxiliary air inlet hole (102) and an auxiliary air outlet hole (103) which are arranged on the side wall of the support plate (1), wherein the air inlet hole (506) is communicated with the auxiliary air inlet hole (102) through the air inlet channel (107), and the air outlet hole (507) is communicated with the auxiliary air outlet hole (103) through the air outlet channel (106).
4. The viaduct vibration damping mount according to claim 1, wherein: all be equipped with a plurality of on connection pad (502) and perforate, the upper end of bottom plate (2) is equipped with a plurality of connecting groove (202), and connection pad (502) that flexible gasbag (501) upper end is connected are located connection mounting groove (104), and connection pad (502) that flexible gasbag (501) lower extreme is connected are located connecting groove (202), and buffering supporting spring (508) and connection pad (502) are connected.
5. The viaduct vibration damping mount according to claim 1, wherein: the balance supporting mechanism (4) comprises a moving groove (401) arranged at the upper end of the bottom supporting plate (2), sliding grooves (402) formed in the inner walls of the two sides of the moving groove (401), supporting blocks (403) arranged in the moving groove (401), sliding blocks (404) connected to the two side walls of the supporting blocks (403), a plurality of rotating grooves (405) arranged at the upper end of the supporting blocks (403), a central shaft (406) connected to the inner walls of the rotating grooves (405) and a supporting rod (407) movably connected to the central shaft (406), wherein one end of the supporting rod (407) is hinged to the lower end of the supporting plate (1).
6. The viaduct vibration damping mount as set forth in claim 5, wherein: damping layers are arranged on the inner wall of the sliding groove (402) and the outer wall of the sliding block (404), and the damping layers on the inner wall of the sliding groove (402) are in contact with the damping layers on the outer wall of the sliding block (404).
7. The viaduct vibration damping mount as set forth in claim 5, wherein: and a spring is connected between the supporting block (403) and the inner wall of the moving groove (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110294446.XA CN113062208A (en) | 2021-03-19 | 2021-03-19 | Viaduct vibration reduction support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110294446.XA CN113062208A (en) | 2021-03-19 | 2021-03-19 | Viaduct vibration reduction support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113062208A true CN113062208A (en) | 2021-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110294446.XA Pending CN113062208A (en) | 2021-03-19 | 2021-03-19 | Viaduct vibration reduction support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113062208A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114232465A (en) * | 2022-01-14 | 2022-03-25 | 宁波市高等级公路建设管理中心 | Box girder bridge prevents roof beam device that falls |
| CN114775489A (en) * | 2022-04-06 | 2022-07-22 | 深圳市综合交通与市政工程设计研究总院有限公司 | Fixing device and method for municipal transportation facilities |
| CN117046985A (en) * | 2023-10-12 | 2023-11-14 | 成都裕鸢航空智能制造股份有限公司 | Stamping die |
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| CN207331375U (en) * | 2017-06-20 | 2018-05-08 | 刘永强 | A kind of subway damper |
| CN108951905A (en) * | 2018-07-17 | 2018-12-07 | 芜湖芬特勘测服务有限公司 | A kind of architectural engineering shockproof structure |
| CN208395652U (en) * | 2018-07-07 | 2019-01-18 | 乌文泽 | A kind of highway bridge support |
| CN209722707U (en) * | 2018-11-20 | 2019-12-03 | 合肥市公路桥梁工程有限责任公司 | A kind of highway bridge damping, buffering support |
| KR20200024446A (en) * | 2018-08-28 | 2020-03-09 | (주)케이에이 | bridge lifting device |
| CN111305043A (en) * | 2020-03-04 | 2020-06-19 | 李妍芬 | Shock-absorbing device for viaduct support |
| CN212582410U (en) * | 2020-06-30 | 2021-02-23 | 衡水双金橡塑制品有限公司 | Adjusting device for bridge support |
-
2021
- 2021-03-19 CN CN202110294446.XA patent/CN113062208A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207331375U (en) * | 2017-06-20 | 2018-05-08 | 刘永强 | A kind of subway damper |
| CN208395652U (en) * | 2018-07-07 | 2019-01-18 | 乌文泽 | A kind of highway bridge support |
| CN108951905A (en) * | 2018-07-17 | 2018-12-07 | 芜湖芬特勘测服务有限公司 | A kind of architectural engineering shockproof structure |
| KR20200024446A (en) * | 2018-08-28 | 2020-03-09 | (주)케이에이 | bridge lifting device |
| CN209722707U (en) * | 2018-11-20 | 2019-12-03 | 合肥市公路桥梁工程有限责任公司 | A kind of highway bridge damping, buffering support |
| CN111305043A (en) * | 2020-03-04 | 2020-06-19 | 李妍芬 | Shock-absorbing device for viaduct support |
| CN212582410U (en) * | 2020-06-30 | 2021-02-23 | 衡水双金橡塑制品有限公司 | Adjusting device for bridge support |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114232465A (en) * | 2022-01-14 | 2022-03-25 | 宁波市高等级公路建设管理中心 | Box girder bridge prevents roof beam device that falls |
| CN114232465B (en) * | 2022-01-14 | 2024-02-02 | 宁波市高等级公路建设管理中心 | Girder falling prevention device for box girder bridge |
| CN114775489A (en) * | 2022-04-06 | 2022-07-22 | 深圳市综合交通与市政工程设计研究总院有限公司 | Fixing device and method for municipal transportation facilities |
| CN117046985A (en) * | 2023-10-12 | 2023-11-14 | 成都裕鸢航空智能制造股份有限公司 | Stamping die |
| CN117046985B (en) * | 2023-10-12 | 2024-01-05 | 成都裕鸢航空智能制造股份有限公司 | Stamping die |
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Application publication date: 20210702 |