Bridge pier safety protection facility for road
By designing a bridge pier protection facility including a rotating cylinder, a damping shock absorber, a swing arm and a rotating roller, the problem of lack of buffer space in the prior art is solved, and more effective vehicle impact dispersion and protection effect are improved.
Patent Information
- Application Number
- CN202421286358.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-06
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-06-06
AI Technical Summary
The existing bridge pier protection device achieves buffering through hard contact, lacks buffer space, resulting in insufficient protection effect.
A road-based bridge pier safety protection facility is designed, including a combined structure of rotating cylinder, damping shock absorber, swing arm and rotating roller. It is connected to the bridge pier through fixed bearings and rotating connection between the outer guard and the rotating roller to realize the vehicle's impact after the vehicle is hit. cushioning and impact force dispersing.
Through the combined structure of the damping shock absorber and swing arm, the buffering distance and effect are improved. The connection between the fixed bearing and the rotating roller allows the vehicle to be dispersed to one side of the bridge pier, which significantly improves the protective effect.
Smart Images
Figure CN222525263U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of bridge pier protection, in particular to a road bridge pier safety protection facility. Background Art
[0002] At present, with the development of cities, there are more and more vehicles. In order to ease the traffic pressure, more and more cities have begun to build urban elevated expressways. The piers of the elevated expressways are located in the lower road. If a vehicle loses control and hits the piers, it will cause damage to the piers and affect the safety of the elevated bridge. Therefore, protective facilities are needed to protect the piers.
[0003] Most of the existing bridge pier protection devices are wrapped around the outside of the bridge pier through devices such as buffer pads to achieve buffering. However, such existing protection facilities rely on hard contact to achieve buffering, lack buffering space, and the protection effect still needs to be further improved. Utility Model Content
[0004] The purpose of the present invention is to solve at least one of the above technical deficiencies.
[0005] Therefore, one purpose of the utility model is to propose a road bridge pier safety protection facility to solve the problems mentioned in the background technology and overcome the deficiencies in the prior art.
[0006] In order to achieve the above-mentioned purpose, an embodiment of one aspect of the utility model provides a road pier safety protection facility, including a pier body, wherein the upper and lower sides of the outer wall of the pier body are fixedly connected with fixed bearings, the outer walls of the two fixed bearings are commonly fixedly connected with a rotating cylinder, the top and bottom surfaces of the rotating cylinder are fixedly connected with fixed ring plates, a plurality of first connecting shafts are commonly fixedly connected between the two fixed ring plates, and a plurality of second connecting shafts are also commonly fixedly connected at a position between the two fixed ring plates and between the plurality of first connecting shafts, the upper and lower sides of the plurality of first connecting shafts are rotatably connected with swing arms, the sides of the two swing arms away from the first connecting shafts are commonly rotatably connected with rotating rollers, the sides of the two swing arms close to the rotating rollers are commonly fixedly connected with a third connecting shaft, the outer walls of the plurality of second connecting shafts are rotatably connected with a plurality of damping shock absorbers, the telescopic ends of the plurality of damping shock absorbers on the same second connecting shaft are simultaneously rotatably connected with the adjacent third connecting shaft, and the outer walls of the plurality of rotating rollers are commonly rotatably connected with an outer casing.
[0007] Preferably, any of the above schemes is that the rotating cylinder is rotatably connected to the pier body via a fixed bearing, and the upper and lower distribution distances of the two fixed bearings are adapted to the length of the rotating cylinder.
[0008] The technical effect achieved by adopting the above solution is: the rotating cylinder is connected symmetrically up and down, so that the support of the rotating cylinder is more stable.
[0009] Preferably, any of the above schemes is that the height of the outer casing is adapted to the height of the rotating cylinder, the outer casing is fixedly connected with shielding ring plates at the top and bottom, the shielding ring plates are fitted with the upper and lower ends of the rotating roller, the top of the fixed ring plate is fixedly connected with a connecting ring, and an annular corrugated connecting cover plate is fixedly connected between the shielding ring plate at the top of the outer casing and the connecting ring.
[0010] The technical effect achieved by adopting the above scheme is: the gap at the top of the outer casing can be blocked by connecting the cover plate with an annular corrugation to prevent debris from falling in and affecting the compression rebound of the damping shock absorber.
[0011] Preferably, any of the above schemes is that a plurality of damping shock absorbers are evenly distributed on the outer wall of the second connecting shaft, a plurality of the damping shock absorbers and the swing arms are connected to each other in a triangular shape, and the length of the rotating roller is adapted to the height of the inner wall of the outer casing.
[0012] The technical effect achieved by adopting the above scheme is that the rotating roller fully supports the outer casing.
[0013] Preferably, any of the above schemes is that a combination structure of a plurality of the damping shock absorbers, the swing arms and the rotating rollers is distributed in a circular array around the center of the rotating cylinder, and a buffer rubber pad is fixedly connected to the outer wall of the outer casing.
[0014] The technical effect achieved by adopting the above scheme is: the impact force can be further reduced through the outer layer protection of the buffer rubber pad, while the outer surface of the outer casing is made soft to reduce damage to personnel.
[0015] Compared with the prior art, the advantages and beneficial effects of the utility model are:
[0016] The road pier safety protection facility, through the combined structure of the plurality of damping shock absorbers, the swing arm and the rotating roller, can make the swing arm rotate to one side to press the plurality of damping shock absorbers to achieve buffering after the vehicle hits the outer casing. The support of the plurality of damping shock absorbers can increase the buffering distance and improve the buffering effect. At the same time, through the rotating connection of the fixed bearing and the rotating connection of the outer casing and the rotating roller, the vehicle can be guided to slide to one side after the vehicle hits, so that the impact force of the vehicle is dispersed to one side of the pier, preventing the impact force from directly hitting the pier, thereby improving the protection effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the structure of the utility model;
[0018] Figure 2 It is a schematic diagram of the internal structure of the utility model;
[0019] Figure 3 For this utility model Figure 2 Schematic diagram of the cross-sectional structure at AA in the middle.
[0020] In the figure: 1-bridge pier body, 2-outer casing, 3-annular corrugated connecting cover plate, 4-connecting ring, 5-fixed bearing, 6-rotating cylinder, 7-fixed ring plate, 8-swing arm, 9-damping shock absorber, 10-third connecting shaft, 11-rotating roller, 12-first connecting shaft, 13-second connecting shaft. DETAILED DESCRIPTION
[0021] The present invention is further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.
[0022] Embodiment 1: Figures 1 to 3 As shown, a road pier safety protection facility comprises a pier body 1, wherein both upper and lower sides of the outer wall of the pier body 1 are fixedly connected with fixed bearings 5, and the outer walls of the two fixed bearings 5 are commonly fixedly connected with a rotating cylinder 6, and the top and bottom surfaces of the rotating cylinder 6 are fixedly connected with fixed ring plates 7, and a plurality of first connecting shafts 12 are commonly fixedly connected between the two fixed ring plates 7, and a plurality of second connecting shafts 13 are commonly fixedly connected between the two fixed ring plates 7 and between the plurality of first connecting shafts 12, and the upper and lower sides of the plurality of first connecting shafts 12 are rotatably connected with swing arms 8, and the sides of the two swing arms 8 away from the first connecting shafts 12 are commonly rotatably connected with a rotating roller 11, and the sides of the two swing arms 8 close to the rotating roller 11 are commonly fixedly connected with a third connecting shaft 10, and the outer walls of the plurality of second connecting shafts 13 are rotatably connected with a plurality of damping shock absorbers 9, and the telescopic ends of the plurality of damping shock absorbers 9 on the same second connecting shaft 13 are simultaneously rotatably connected with the adjacent third connecting shaft 10, and the outer walls of the plurality of rotating rollers 11 are commonly rotatably connected with an outer casing 2.
[0023] As an optional technical solution of the utility model, the rotating cylinder 6 is rotatably connected to the pier body 1 through a fixed bearing 5, and the upper and lower distribution distances of the two fixed bearings 5 are adapted to the length of the rotating cylinder 6, so that the rotating cylinder 6 is symmetrically connected up and down, making the support of the rotating cylinder 6 more stable.
[0024] As an optional technical solution of the utility model, the height of the outer casing 2 is adapted to the height of the rotating cylinder 6, and the outer casing 2 is fixedly connected with shielding ring plates at the top and bottom, and the shielding ring plates are fitted with the upper and lower ends of the rotating roller 11. The top of the fixed ring plate 7 is fixedly connected with a connecting ring 4, and the shielding ring plate at the top of the outer casing 2 and the connecting ring 4 are jointly fixedly connected with an annular corrugated connecting cover plate 3. The annular corrugated connecting cover plate 3 can block the gap at the top of the outer casing 2 to prevent debris from falling into and affecting the compression rebound of the damping shock absorber 9.
[0025] As an optional technical solution of the utility model, a plurality of damping shock absorbers 9 are evenly distributed on the outer wall of the second connecting shaft 13, a plurality of damping shock absorbers 9 and the swing arm 8 are connected to each other in a triangular shape, and the length of the rotating roller 11 is adapted to the height of the inner wall of the outer casing 2, so that the rotating roller 11 fully supports the outer casing 2.
[0026] As an optional technical solution of the utility model, a combination structure of a plurality of damping shock absorbers 9, swing arms 8 and rotating rollers 11 is distributed in a circular array around the center of the rotating cylinder 6, and a buffer rubber pad is fixedly connected to the outer wall of the outer casing 2. The outer layer protection of the buffer rubber pad can further reduce the impact force, and at the same time make the outer part of the outer casing 2 soft, thereby reducing damage to personnel.
[0027] The working principle of road pier safety protection facilities is as follows:
[0028] 1) Through the combined structure of a plurality of damping shock absorbers 9, a swing arm 8 and a rotating roller 11, after the vehicle hits the outer casing 2, the swing arm 8 can be rotated to one side to press and hold a plurality of damping shock absorbers 9 to achieve buffering;
[0029] 2) Through the rotational connection of the fixed bearing 5 and the rotational connection between the outer casing 2 and the rotating roller 11, the vehicle can be guided to slide to one side after the vehicle collides, so that the impact force of the vehicle is dispersed to one side of the pier, preventing the impact force from directly hitting the pier, thereby improving the protection effect.
[0030] In summary, the road pier safety protection facility, through the combined structure of a plurality of damping shock absorbers 9, a swing arm 8 and a rotating roller 11, can make the swing arm 8 rotate to one side to press a plurality of damping shock absorbers 9 to achieve buffering after the vehicle hits the outer casing 2. The support of a plurality of damping shock absorbers 9 can increase the buffering distance and improve the buffering effect. At the same time, through the rotating connection of the fixed bearing 5 and the rotating connection between the outer casing 2 and the rotating roller 11, the vehicle can be guided to slide to one side after the vehicle hits, so that the impact force of the vehicle is dispersed to one side of the pier, preventing the impact force from directly hitting the pier, thereby improving the protection effect.
[0031] Although the embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and cannot be understood as limiting the present invention. Those skilled in the art can change, modify, replace and modify the above embodiments within the scope of the present invention without departing from the principles and purpose of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. Road bridge pier safety protection facilities, characterized by: The invention comprises a pier body (1), wherein the upper and lower sides of the outer wall of the pier body (1) are fixedly connected to fixed bearings (5), the outer walls of the two fixed bearings (5) are commonly fixedly connected to a rotating cylinder (6), the top and bottom surfaces of the rotating cylinder (6) are both fixedly connected to fixed ring plates (7), a plurality of first connecting shafts (12) are commonly fixedly connected between the two fixed ring plates (7), a plurality of second connecting shafts (13) are commonly fixedly connected between the two fixed ring plates (7) and the positions between the plurality of first connecting shafts (12), the upper and lower sides of the plurality of first connecting shafts (12) are both fixedly connected to the fixed bearings (5), the upper and lower sides of the plurality of first connecting shafts (12) are both fixedly connected to the fixed bearings (5), the top and bottom surfaces of the rotating cylinder (6) are both fixedly connected to fixed ring plates (7), a plurality of first connecting shafts (12) are commonly fixedly connected between the two fixed ring plates (7), and a plurality of second connecting shafts (13) are commonly fixedly connected between the two fixed ring plates (7) and the positions between the plurality of first connecting shafts (12) are both fixedly connected to the fixed bearings (5), and the plurality of first connecting shafts (12) are fixedly connected to the fixed bearings (5) at the fixed bearings (5). A swing arm (8) is rotatably connected, and the sides of the two swing arms (8) away from the first connecting shaft (12) are rotatably connected to a rotating roller (11), and the sides of the two swing arms (8) close to the rotating roller (11) are fixedly connected to a third connecting shaft (10), and the outer walls of several of the second connecting shafts (13) are rotatably connected to several damping shock absorbers (9), and the telescopic ends of several of the damping shock absorbers (9) on the same second connecting shaft (13) are rotatably connected to the adjacent third connecting shaft (10) at the same time, and the outer walls of several of the rotating rollers (11) are rotatably connected to an outer casing (2).
2. The road pier safety protection facility according to claim 1 is characterized by: The rotating cylinder (6) is rotatably connected to the pier body (1) via a fixed bearing (5), and the upper and lower distribution distances of the two fixed bearings (5) are adapted to the length of the rotating cylinder (6).
3. The road pier safety protection facility according to claim 2 is characterized by: The height of the outer casing (2) is matched with the height of the rotating cylinder (6); the upper and lower parts of the outer casing (2) are fixedly connected with shielding ring plates, the shielding ring plates are fitted with the upper and lower ends of the rotating roller (11); the top of the fixed ring plate (7) is fixedly connected with a connecting ring (4); and an annular corrugated connecting cover plate (3) is fixedly connected between the shielding ring plate at the top of the outer casing (2) and the connecting ring (4).
4. The road pier safety protection facility according to claim 3 is characterized by: A plurality of damping shock absorbers (9) are evenly distributed on the outer wall of the second connecting shaft (13), a plurality of the damping shock absorbers (9) and the swing arms (8) are connected to each other in a triangular shape, and the length of the rotating roller (11) is adapted to the height of the inner wall of the outer casing (2).
5. The road pier safety protection facility according to claim 4 is characterized by: A combination structure of a plurality of the damping shock absorbers (9), swing arms (8) and rotating rollers (11) is distributed in a circular array around the center of the rotating cylinder (6), and a buffer rubber pad is fixedly connected to the outer wall of the outer casing (2).