CN117248441A - Anti-falling limiting device for bridge earthquake resistance - Google Patents
Anti-falling limiting device for bridge earthquake resistance Download PDFInfo
- Publication number
- CN117248441A CN117248441A CN202311399322.3A CN202311399322A CN117248441A CN 117248441 A CN117248441 A CN 117248441A CN 202311399322 A CN202311399322 A CN 202311399322A CN 117248441 A CN117248441 A CN 117248441A
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- China
- Prior art keywords
- fixedly connected
- fixing
- fixed
- rotating shaft
- plate
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- 238000013016 damping Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 11
- 230000035939 shock Effects 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000004567 concrete Substances 0.000 description 3
- 230000002265 prevention Effects 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention relates to the technical field of bridges and discloses a falling-preventing bridge anti-seismic limiting device which comprises a six-fixing plate and a seven-fixing plate, wherein a first rotating shaft is fixedly connected to one side of the bottom of the seven-fixing plate, a buffer mechanism is arranged outside the first rotating shaft, one side of the four-fixing plate is fixedly connected with a four-fixing rod, one side of the four-fixing plate is rotatably connected with a three-fixing rod, one side of the three-fixing rod is fixedly connected with a shaft gear, a first rack is meshed with the shaft gear, one side of the six-fixing plate is fixedly connected with a five-fixing plate, a second rack is connected to the inner side wall of the five-fixing plate in a sliding manner, and an adjusting mechanism is arranged outside the second rack.
Description
Technical Field
The invention relates to the technical field of bridges, in particular to a falling-preventing bridge anti-seismic limiting device.
Background
Bridges are an important engineering structure for human construction for connecting two sites or crossing obstacles such as rivers, canyons, roads, etc. They are key components of transportation and infrastructure, providing traffic convenience for vehicles, pedestrians, and other modes of transportation. The main girder is the main structure of the bridge, and bears the load of vehicles and pedestrians. The main beams may be steel trusses, concrete beams, reinforced concrete beams, etc. The buttress is a vertical structure for supporting the main beam and dispersing the load. The buttresses are typically constructed of concrete or steel, either in the middle of the bridge span or below the bridge as desired. Abutment is an end structure that supports the bridge, typically on the ground at both ends of the bridge. The abutment may be a reinforced concrete structure for stabilizing the bridge and against water currents or soil forces. The deck is the platform part for vehicles and pedestrians to walk on, and is usually composed of asphalt, concrete or steel plates. It is located above the main beam, providing a traffic surface. Steel cables are used in particular types of bridges, such as suspension bridges or cable-stayed bridges. The steel cables bear the bridge load and transfer it to the support structure. Different types of bridges include girder bridges, arch bridges, suspension bridges, cable-stayed bridges, etc. They are selected based on factors such as design requirements, span length, and geographic conditions. The design of the bridge needs to consider a plurality of factors such as structural strength, stability, load distribution, natural environment and the like. Bridges are an ergonomic task that not only provide convenient traffic connections, but also become part of urban landscapes, demonstrating the level of creativity and skill of humans.
At present, in the prior art, when a general bridge is driven on the bridge, a damping structure is not installed, so that the damping effect is difficult to be carried out on the vehicle, the service life of the bridge is easy to be reduced, or the bridge is easy to break due to the fact that the damping effect is poor because the damping structure is simple, and therefore, the invention provides the anti-falling limiting device for the bridge shock resistance.
Disclosure of Invention
Aiming at the defects that a general bridge is not provided with a damping structure when the vehicle runs on the bridge in the prior art, the damping effect is difficult to realize on the vehicle, the service life of the bridge is easy to reduce, or the bridge is provided with a few of damping effects, the situation that the bridge is broken easily occurs is poor, the invention provides a limiting device for the anti-falling bridge shock, which has the advantages of prolonging the service life of the bridge and damping.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a stop device is used in bridge antidetonation that dropproof, includes No. six fixed plates and No. seven fixed plates, one side fixedly connected with of the bottom of No. seven fixed plates has a pivot, the outside of a pivot is provided with buffer gear, buffer gear includes a fixed block, no. four fixed levers, a fixed ring, no. two springs, no. two fixed blocks and No. two fixed rings, one side fixedly connected with first rack of a pivot, one side fixedly connected with No. two fixed plates of No. six fixed plates, one side fixedly connected with No. four fixed plates of No. two fixed plates, one side fixedly connected with of No. four fixed plates with between No. four fixed levers, one side rotation of No. four fixed plates is connected with No. three fixed levers, one side fixedly connected with axle gear of No. three fixed levers, first rack with mesh mutually between the axle gear, one side fixedly connected with No. five fixed plates of No. six fixed plates, sliding connection has the second rack on the inside wall of No. five fixed plates, second rack and No. two external gear, no. two external adjustment mechanism, no. three fixed levers, no. two rack and No. two external adjustment mechanism.
Preferably, the buffer mechanism comprises a first fixing block, one side of the first fixing block is rotationally connected to the first rotating shaft, one side of the first fixing block is fixedly connected with a first fixing ring, the first fixing ring is sleeved on the outer side wall of the fourth fixing rod, one side of the first fixing ring is fixedly connected with a second spring, the second spring is away from one side of the first fixing ring and is fixedly connected to one side of the fourth fixing plate, one side of the first rotating shaft away from the first fixing block is rotationally connected to the second fixing block, the second fixing block is fixedly connected with the second fixing ring, and the second fixing ring is sleeved on the outer side wall of the fourth fixing rod.
Preferably, the adjusting mechanism comprises a third rotating shaft fixedly connected to one side of the second rack, a first fixing rod is rotatably connected with the third rotating shaft, one side, far away from the third rotating shaft, of the first fixing rod is rotatably connected to one side of the second rotating shaft, one side, between the second rotating shaft and the third fixing plate, of the second fixing rod is fixedly connected to one side, on the sixth fixing plate, of the second fixing rod, and a third fixing plate is rotatably connected to the outer side wall of the second fixing rod.
Preferably, a telescopic rod is fixedly connected to one side of the sixth fixing plate, a first spring is sleeved on the outer side wall of the telescopic rod, one side of the telescopic rod is fixedly connected with one side of the sixth fixing plate, one side of the telescopic rod, which is far away from the sixth fixing plate, is fixedly connected to the seventh fixing plate, one side of the first spring is fixedly connected with one side of the sixth fixing plate, and one side of the first spring, which is far away from the sixth fixing plate, is fixedly connected to the seventh fixing plate.
Preferably, one side fixedly connected with fixed plate No. seven for fixed plate No. one can be better fix, fixedly connected with buffer board on the inside wall of fixed plate No. one makes it better to protect the vehicle of traveling.
Preferably, the second rack, the fifth fixed plate, the first fixed rod and the second rotating shaft are all in multiple groups, so that the damping effect of the second rack is better, and the second rack and the fifth fixed plate are uniformly distributed.
Preferably, the shape of the buffer plate is convex, so that the buffer plate can better protect a running vehicle.
Preferably, the first rack, the shaft gear and the third fixing rod are two groups in number, so that the whole shock absorption effect is better, the shock absorption effect is symmetrically distributed, and the shock absorption can be better performed.
The beneficial effects are that:
1. this stop device is used in bridge antidetonation of dropproof for a pivot can drive No. two fixed blocks and remove through using buffer gear, no. two fixed blocks also can drive No. two fixed rings and remove, thereby plays a absorbing effect to whole, has improved holistic availability factor.
2. This stop device is used in bridge antidetonation of dropproof for first rack descends and drives axle gear rotation, and axle gear rotation drives the second rack and remove, thereby makes No. three fixed plates decline, better supports the whole, has improved holistic availability factor.
Drawings
FIG. 1 is a schematic view of a whole anti-drop limiting device for bridge seismic resistance;
FIG. 2 is a schematic view of a first portion of a drop-resistant bridge anti-seismic stop device of the present invention;
FIG. 3 is a schematic view of a second portion of a drop-resistant bridge anti-seismic stop device of the present invention;
FIG. 4 is a schematic view of a third portion of a drop-resistant bridge anti-seismic stop device according to the present invention
FIG. 5 is an enlarged schematic view of FIG. 1A;
fig. 6 is an enlarged schematic view of B in fig. 2.
In the figure: 1. a first fixing plate; 2. a second fixing plate; 3. a first rotating shaft; 4. a first fixing rod; 5. a second rotating shaft; 6. a third fixing plate; 7. a second fixing rod; 8. a fourth fixing plate; 9. a buffer plate; 10. a telescopic rod; 11. a first spring; 12. a third fixing rod; 13. a second spring; 14. a first fixed circular ring; 15. a fourth fixing rod; 16. a first fixed block; 17. a first rack; 18. a second rack; 19. a fifth fixing plate; 20. a shaft gear; 21. a second fixed block; 22. a second fixed circular ring; 23. a sixth fixing plate; 24. a seventh fixing plate; 25. and a third rotating shaft.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-6, a limiting device for anti-falling bridge vibration prevention comprises a six-fixing plate 23 and a seven-fixing plate 24, wherein a first rotating shaft 3 is fixedly connected to one side of the bottom of the seven-fixing plate 24, a buffer mechanism is arranged outside the first rotating shaft 3 and comprises a first fixing block 16, a fourth fixing rod 15, a first fixing ring 14, a second spring 13, a second fixing block 21 and a second fixing ring 22, a first rack 17 is fixedly connected to one side of the first rotating shaft 3, a second fixing plate 2 is fixedly connected to one side of the six-fixing plate 23, a fourth fixing plate 8 is fixedly connected to one side of the second fixing plate 2, a third fixing rod 12 is rotatably connected to one side of the fourth fixing plate 8, a shaft gear 20 is fixedly connected to one side of the third fixing rod 12, a first rack 17 is meshed with the shaft gear 20, a fifth fixing plate 19 is fixedly connected to one side of the sixth fixing plate 23, a second rack 18 is slidably connected to the inner side wall of the fifth fixing plate 19, a second rack 18 is meshed with the second rack 18 and the second rotating shaft 20, and an adjusting mechanism is arranged between the second rack 18 and the third rotating shaft 20 and the second rotating shaft 5 is arranged outside the third fixing plate and the fourth fixing plate is meshed with the third rotating shaft 18.
When the anti-falling bridge anti-seismic limiting device is used, the first fixing plate 1 can play a role in limiting and falling prevention, meanwhile, the buffer plate 9 can play a role in buffering, the seventh fixing plate 24 is stressed to drive the first rotating shaft 3 to move downwards, the first rotating shaft 3 can drive the second fixing block 21 and the first fixing block 16 to move, the second spring 13 is driven to compress, the second spring 13 can generate a force due to compression, the whole damping effect is achieved, the whole service efficiency is improved, the first rotating shaft 3 moves downwards and simultaneously drives the first rack 17 to move, the first rack 17 moves to drive the shaft gear 20 to rotate, the shaft gear 20 rotates to drive the second rack 18 to move, the second rack 18 can drive the third rotating shaft 25 to move, the third rotating shaft 25 moves to drive the first fixing rod 4 to move, the first fixing rod 4 also drives the second rotating shaft 5 to move, the third fixing plate 6 is driven to move, the contact area with the ground is increased, and the whole supporting efficiency is better improved.
Example two
Referring to fig. 1-6, further on the basis of the first embodiment, the buffer mechanism includes a first fixing block 16, one side of which is rotatably connected to the first rotating shaft 3, one side of which is fixedly connected to the first fixing ring 14, the first fixing ring 14 is sleeved on the outer side wall of the fourth fixing rod 15, one side of which is fixedly connected to the second spring 13, one side of which is far away from the first fixing ring 14 is fixedly connected to one side of the fourth fixing plate 8, one side of which is far away from the first rotating shaft 3 is rotatably connected to the second fixing block 21, the second fixing block 21 is fixedly connected to the second fixing ring 22, and the second fixing ring 22 is sleeved on the outer side wall of the fourth fixing rod 15; the adjusting mechanism comprises a third rotating shaft 25 fixedly connected to one side of the second rack 18, a first fixing rod 4 and the third rotating shaft 25 are rotationally connected, one side of the first fixing rod 4 away from the third rotating shaft 25 is rotationally connected to one side of the second rotating shaft 5, one side of the second rotating shaft 5 is fixedly connected with the third fixing plate 6, a second fixing rod 7 is fixedly connected to one side of the sixth fixing plate 23, and a third fixing plate 6 is rotationally connected to the outer side wall of the second fixing rod 7; one side of the sixth fixed plate 23 is fixedly connected with a telescopic rod 10, a first spring 11 is sleeved on the outer side wall of the telescopic rod 10, one side of the telescopic rod 10 is fixedly connected with one side of the sixth fixed plate 23, one side of the telescopic rod 10 away from the sixth fixed plate 23 is fixedly connected with a seventh fixed plate 24, one side of the first spring 11 is fixedly connected with one side of the sixth fixed plate 23, and one side of the first spring 11 away from the sixth fixed plate 23 is fixedly connected with the seventh fixed plate 24; a first fixing plate 1 is fixedly connected to one side of the seventh fixing plate 24, so that the first fixing plate 1 can be better fixed, and a buffer plate 9 is fixedly connected to the inner side wall of the first fixing plate 1, so that a running vehicle can be better protected; the number of the second racks 18, the number of the fifth fixing plates 19, the number of the first fixing rods 4 and the number of the second rotating shafts 5 are multiple groups, so that the damping effect of the second racks is better, and the second racks are uniformly distributed; the buffer plate 9 is convex in shape, so that the buffer plate can better protect a running vehicle; the quantity of first rack 17, axle gear 20 and No. three dead levers 12 is two sets of for holistic shock attenuation effect is better, and is the symmetric distribution, can be better shock attenuation.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. Anti-falling bridge stop device for antidetonation, including No. six fixed plates (23) and No. seven fixed plates (24), its characterized in that: one side of the bottom of the seventh fixed plate (24) is fixedly connected with a first rotating shaft (3), a buffer mechanism is arranged outside the first rotating shaft (3), the buffer mechanism comprises a first fixed block (16), a fourth fixed rod (15), a first fixed ring (14), a second spring (13), a second fixed block (21) and a second fixed ring (22), one side of the first rotating shaft (3) is fixedly connected with a first rack (17), one side of the sixth fixed plate (23) is fixedly connected with a second fixed plate (2), one side of the second fixed plate (2) is fixedly connected with a fourth fixed plate (8), one side of the No. four fixed plate (8) is fixedly connected with the No. four fixed rod (15), one side of the No. four fixed plate (8) is rotationally connected with a No. three fixed rod (12), one side of the No. three fixed rod (12) is fixedly connected with a shaft gear (20), a first rack (17) is meshed with the shaft gear (20), one side of the No. six fixed plate (23) is fixedly connected with a No. five fixed plate (19), a second rack (18) is slidingly connected on the inner side wall of the No. five fixed plate (19), the second rack (18) is meshed with the shaft gear (20), an adjusting mechanism is arranged outside the second rack (18), the adjusting mechanism comprises a third rotating shaft (25), a first fixing rod (4), a second rotating shaft (5), a third fixing plate (6) and a second fixing rod (7).
2. The anti-falling bridge anti-seismic limiting device according to claim 1, wherein: the buffer mechanism comprises a first fixing block (16) and is rotatably connected to a first rotating shaft (3), one side of the first fixing block (16) is fixedly connected to a second fixing block (21), the second fixing block (14) is sleeved on the outer side wall of a fourth fixing rod (15), one side of the first fixing block (14) is fixedly connected to a second spring (13), the second spring (13) is far away from one side of the first fixing block (14) and is fixedly connected to one side of a fourth fixing plate (8), one side of the first rotating shaft (3) is far away from one side of the first fixing block (16) and is rotatably connected to the second fixing block (21), the second fixing block (21) is fixedly connected to the second fixing block (22), and the second fixing block (22) is sleeved on the outer side wall of the fourth fixing rod (15).
3. The anti-falling bridge anti-seismic limiting device according to claim 1, wherein: the adjusting mechanism comprises a third rotating shaft (25) fixedly connected to one side of the second rack (18), a first fixing rod (4) is rotatably connected with the third rotating shaft (25), one side, far away from the third rotating shaft (25), of the first fixing rod (4) is rotatably connected to one side of the second rotating shaft (5), one side of the second rotating shaft (5) is fixedly connected with the third fixing plate (6), the second fixing rod (7) is fixedly connected to one side of the sixth fixing plate (23), and a third fixing plate (6) is rotatably connected to the outer side wall of the second fixing rod (7).
4. The anti-falling bridge anti-seismic limiting device according to claim 1, wherein: one side fixedly connected with telescopic link (10) of No. six fixed plates (23), cup jointed No. one spring (11) on the lateral wall of telescopic link (10), one side of telescopic link (10) with fixedly connected between one side of No. six fixed plates (23), telescopic link (10) are kept away from one side fixedly connected of No. six fixed plates (23) is in on No. seven fixed plates (24), one side of No. one spring (11) with fixedly connected between one side of No. six fixed plates (23), one side fixedly connected of No. one spring (11) is kept away from No. six fixed plates (23) is in on No. seven fixed plates (24).
5. The anti-falling bridge anti-seismic limiting device according to claim 1, wherein: one side of the seventh fixed plate (24) is fixedly connected with a first fixed plate (1), and the inner side wall of the first fixed plate (1) is fixedly connected with a buffer plate (9).
6. The anti-falling bridge anti-seismic limiting device according to claim 1, wherein: the second racks (18), the fifth fixing plates (19), the first fixing rods (4) and the second rotating shafts (5) are all in a plurality of groups and are uniformly distributed.
7. The anti-falling bridge anti-seismic limiting device according to claim 5, wherein: the shape of the buffer plate (9) is convex.
8. The anti-falling bridge anti-seismic limiting device according to claim 1, wherein: the first racks (17), the shaft gears (20) and the third fixing rods (12) are two groups in number and are symmetrically distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311399322.3A CN117248441A (en) | 2023-10-26 | 2023-10-26 | Anti-falling limiting device for bridge earthquake resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311399322.3A CN117248441A (en) | 2023-10-26 | 2023-10-26 | Anti-falling limiting device for bridge earthquake resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117248441A true CN117248441A (en) | 2023-12-19 |
Family
ID=89127877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311399322.3A Withdrawn CN117248441A (en) | 2023-10-26 | 2023-10-26 | Anti-falling limiting device for bridge earthquake resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117248441A (en) |
-
2023
- 2023-10-26 CN CN202311399322.3A patent/CN117248441A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20231219 |