Protective device
By designing a buffer mechanism and elastic structure in the traffic guardrail, the problem of low safety of guardrails during high-speed collisions is solved, effective protection of vehicles and personnel is achieved, and safety prompts are improved through warning lights and reflective bars.
Patent Information
- Application Number
- CN202322914313.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-10-27
- Publication Date
- 2025-01-03
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing traffic guardrails cannot effectively protect vehicles and bridges when vehicles collide at high speed, resulting in low safety and practicality and pose a threat to people in the vehicle.
A protective device is designed, including a support column, a cushioning mechanism and a support rod. A cushioning barrier rod, a sliding connecting rod and a traction spring are provided in the cushioning mechanism. The cushioning mechanism uses elastic plate and a cushioning spring to match the cushioning, a rotating column and a rubber wrapping layer. Used to change the impact force and reduce damage, and set warning lights and reflector bars on the holder for increased visibility.
The traditional rigid collision is converted into elastic collision, which reduces damage to vehicles and people in the car during car accidents, improves the safety and practicality of the protective device, and improves visibility and safety prompts through warning lights and reflective bars.
Smart Images
Figure CN222294696U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of bridge guardrail devices, in particular to a protective device. Background Art
[0002] Municipal bridges refer to bridges built on rivers and road-road interchanges, road-railway overpasses and pedestrian bridges within the city. They include permanent bridges and semi-permanent bridges, but exclude temporary bridges, railway bridges and culverts. Traffic guardrails are often set between the pedestrian passage and the motor vehicle lane of the bridge. With the continuous expansion of the highway market, the importance of traffic guardrails has become increasingly apparent. The development of various types of traffic guardrails is one of the hot issues in the research and production fields.
[0003] At present, domestic traffic guardrails are mainly made of cement and steel products. When the vehicle is traveling at a slow speed, it will damage the vehicle when it collides with it and cannot protect the vehicle well. When the vehicle is traveling too fast, it will cause serious damage to the vehicle and bridge fence, and even pose a threat to the safety of people in the vehicle, which greatly reduces the safety and practicality of the device. Utility Model Content
[0004] The purpose of the utility model is to provide a protective device to solve the technical problems raised in the background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a protective device, comprising a support column, wherein a plurality of the support columns are provided, a plurality of groups of buffer mechanisms 2 are provided between adjacent support columns, a buffer mechanism 1 is provided on the front side of the support column, a handrail is provided between adjacent support columns, the two ends of the handrail are respectively fixedly connected to the adjacent side walls of the two support columns, and a warning light is provided on the handrail;
[0006] The left and right ends of the buffer mechanism 2 are fixedly connected to the left and right support columns, and the buffer mechanism 2 includes a plurality of buffer baffles, and reflective strips are pasted on the outer sides of the buffer baffles. Sliding cavities are provided on the left and right sides of the buffer baffles, and sliding plates are slidably connected in the sliding cavities. The sides of the two sliding plates away from each other are fixedly connected with sliding connecting rods, and one end of the sliding connecting rod away from the sliding plate passes through the side wall of the sliding cavity and extends to the outside of the sliding cavity. The ends of the adjacent sliding connecting rods away from the buffer baffles are hinged by pins.
[0007] Preferably, a traction spring is provided on the inner side of the sliding cavity, one end of the traction spring is fixedly connected to the side wall of the sliding plate away from the sliding connecting rod, and one end of the traction spring away from the sliding plate is fixedly connected to the inner wall of the sliding cavity away from the sliding connecting rod, and the traction spring is always in a stretched state.
[0008] Preferably, the buffer mechanism comprises a mounting plate, which is located on the front side of the supporting column, an elastic plate is arranged on the front side of the mounting plate, a plurality of mounting holes are opened on the elastic plate, a rotating column is arranged on the inner side of the mounting hole, the upper and lower ends of the rotating column are rotatably connected to the upper and lower inner walls of the mounting hole respectively, a plurality of sliding connecting plates are symmetrically arranged on the left and right sides of the rear side wall of the mounting plate, and the ends of the sliding connecting plates on the left and right sides away from each other are fixedly connected to the left and right ends of the elastic plate respectively.
[0009] Preferably, a rubber wrapping layer is provided on the outer side of the rotating column, and the elastic plate is arranged in an arc shape.
[0010] Preferably, the rear end of the mounting plate is connected to a plurality of buffer rods via a universal connector, one end of the buffer rod away from the mounting plate passes through a support column and is fixedly connected to a baffle, and a landscape light is provided at the rear end of the baffle.
[0011] Preferably, a buffer spring is sleeved on the buffer rod, the front end of the buffer spring is fixedly connected to the rear end of the support column, and the rear end of the buffer spring is fixedly connected to the front end of the baffle.
[0012] Compared with the related art, the protective device provided by the utility model has the following beneficial effects:
[0013] 1. The utility model provides a protective device, in which a plurality of buffer mechanisms 2 are arranged between adjacent support columns and a buffer mechanism 1 is arranged on the front side of the support column, a plurality of buffer baffles are arranged in the buffer mechanism 2, and adjacent buffer baffles are connected by sliding connecting rods and traction springs. When the buffer mechanism 2 is hit, the buffer baffles are dislocated and moved, and the internal traction springs are stretched to play a buffering role. An elastic plate is arranged in the buffer mechanism 1, and the left and right ends of the elastic plate are slidably connected to the rear side wall of the mounting plate by sliding connecting plates. A buffer rod is arranged on the rear side of the mounting plate, and the rear side end of the buffer rod penetrates the support column and extends to the rear side of the support column. The buffer rod is connected to the rear side wall of the support column through a buffer spring and a baffle, and the buffer spring and the elastic plate cooperate to achieve buffering of the impact and protection of the support column. The device converts the traditional rigid collision into an elastic collision, thereby reducing the damage caused to the vehicle and the occupants by the protective device during a traffic accident.
[0014] 2. The utility model provides a protective device, in which a warning light is arranged on the handrail, and a reflective strip is arranged on the outer side of the buffer bar, both of which serve as a reminder. At the same time, a plurality of rotating columns are arranged on the elastic plate, and a rubber wrapping layer is arranged on the rotating column. When a collision occurs with the rotating column, the rotation of the rotating column is used to change the reverse direction of the collision force to avoid direct collision of the device, and at the same time, the rubber wrapping layer on the outer side of the rotating column is used to reduce the damage caused by the collision. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0016] Figure 2 This is a three-dimensional structural schematic diagram of the utility model from another angle;
[0017] Figure 3 for Figure 2 A partial enlarged view of the middle part;
[0018] Figure 4 This is a schematic diagram of the cross-sectional structure of the buffer lever position of the utility model;
[0019] Figure 5 It is a schematic diagram of a three-dimensional structure of a buffer mechanism of the utility model from a rear side angle;
[0020] Figure 6 It is a front-angle three-dimensional structural schematic diagram of the buffer mechanism of the utility model.
[0021] In the figure: 1. support column; 2. handrail; 3. warning light; 4. buffer mechanism 1; 5. buffer mechanism 2; 6. rotating column; 7. buffer baffle; 8. sliding groove; 9. traction spring; 10. sliding plate; 11. sliding connecting rod; 12. buffer rod; 13. baffle; 14. landscape light; 15. buffer spring; 16. mounting plate; 17. sliding connecting plate; 18. elastic plate; 19. mounting hole. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0023] See also Figure 1-6 The utility model provides a technical solution: a protective device, including a support column 1, a plurality of support columns 1 are provided, a plurality of buffer mechanisms 2 5 are provided between adjacent support columns 1, a buffer mechanism 1 4 is provided on the front side of the support column 1, a handrail 2 is provided between adjacent support columns 1, the two ends of the handrail 2 are respectively fixedly connected to the adjacent side walls of the two support columns 1, a warning light 3 is provided on the handrail 2, and a reflective strip is provided on the outer side of the buffer barrier 7, all of which play a prompting role;
[0024] The left and right ends of the buffer mechanism 2 5 are fixedly connected to the left and right support columns 1. The buffer mechanism 2 5 includes a plurality of buffer bars 7. The outer side of the buffer bar 7 is pasted with a reflective strip. The left and right sides of the buffer bar 7 are provided with a sliding cavity 8. A sliding plate 10 is slidably connected in the sliding cavity 8. The sides of the two sliding plates 10 that are away from each other are fixedly connected with a sliding connecting rod 11. The end of the sliding connecting rod 11 away from the sliding plate 10 passes through the side wall of the sliding cavity 8 and extends to the outside of the sliding cavity 8. The ends of the adjacent sliding connecting rods 11 away from the buffer bar 7 are hinged by pins.
[0025] A traction spring 9 is arranged inside the sliding cavity 8, one end of the traction spring 9 is fixedly connected to the side wall of the sliding plate 10 away from the sliding connecting rod 11, and one end of the traction spring 9 away from the sliding plate 10 is fixedly connected to the inner wall of the sliding cavity 8 away from the sliding connecting rod 11, and the traction spring 9 is always in a stretched state;
[0026] The buffer mechanism 14 includes a mounting plate 16, which is located at the front side of the support column 1. An elastic plate 18 is arranged at the front side of the mounting plate 16. A plurality of mounting holes 19 are opened on the elastic plate 18. A rotating column 6 is arranged inside the mounting hole 19. The upper and lower ends of the rotating column 6 are respectively rotatably connected to the upper and lower inner walls of the mounting hole 19. A plurality of sliding connecting plates 17 are symmetrically arranged on the left and right sides of the rear side wall of the mounting plate 16. The ends of the sliding connecting plates 17 on the left and right sides that are away from each other are respectively fixedly connected to the left and right ends of the elastic plate 18.
[0027] A rubber wrapping layer is arranged on the outside of the rotating column 6, and the elastic plate 18 is arranged in an arc shape. When a collision occurs with the rotating column 6, the rotation of the rotating column 6 is used to change the reverse direction of the collision force, thereby avoiding direct collision of the device, and at the same time, the rubber wrapping layer on the outside of the rotating column 6 is used to reduce the damage caused by the collision;
[0028] The rear side end of the mounting plate 16 is connected to a plurality of buffer rods 12 through a universal connector. The end of the buffer rod 12 away from the mounting plate 16 passes through the support column 1 and is fixedly connected to a baffle 13. The rear side end of the baffle 13 is provided with a landscape lamp 14.
[0029] A buffer spring 15 is sleeved on the buffer rod 12, and the front end of the buffer spring 15 is fixedly connected to the rear end of the support column 1, and the rear end of the buffer spring 15 is fixedly connected to the front end of the baffle 13. The buffer spring 15 and the elastic plate 18 cooperate to achieve buffering of the impact and protection of the support column 1. This device converts traditional rigid collision into elastic collision, thereby reducing the damage caused to the vehicle and the occupants by the protective device during a traffic accident.
[0030] Working principle: In this device, a plurality of buffer mechanisms 2 5 are arranged between adjacent support columns 1 and a buffer mechanism 1 4 is arranged on the front side of the support column 1. A plurality of buffer bars 7 are arranged in the buffer mechanism 2 5. Adjacent buffer bars 7 are connected by a sliding connecting rod 11 and a traction spring 9. When the buffer mechanism 2 5 is hit, the buffer bar 7 moves out of position, and the internal traction spring 9 is stretched to play a buffering role. An elastic plate 18 is arranged in the buffer mechanism 1 4. The left and right ends of the elastic plate 18 are slidably connected to the rear side wall of the mounting plate 16 through a sliding connecting plate 17. A buffer rod 12 is arranged on the rear side of the mounting plate 16. The rear side end of the buffer rod 12 passes through the support column 1 and extends to the rear side of the support column 1. The buffer rod 12 is connected to the rear side of the support column 1 by the buffer spring 1 5 and the baffle plate 13 are connected to the rear side wall of the support column 1, and the buffer spring 15 and the elastic plate 18 are used to buffer the impact and protect the support column 1. The device converts the traditional rigid collision into an elastic collision, thereby reducing the damage caused by the protective device to the vehicle and the occupants during a car accident. A warning light 3 is arranged on the handrail 2, and a reflective strip is arranged on the outer side of the buffer baffle 7, both of which play a prompting role. At the same time, a plurality of rotating columns 6 are arranged on the elastic plate 18, and a rubber wrapping layer is arranged on the rotating column 6. When a collision occurs with the rotating column 6, the rotation of the rotating column 6 is used to change the reverse direction of the collision force to avoid a direct collision of the device. At the same time, the rubber wrapping layer on the outer side of the rotating column 6 is used to reduce the damage caused by the collision.
Claims
1. A protective device, comprising a support column (1), characterized in that: A plurality of support columns (1) are provided, a plurality of groups of buffer mechanisms (2) are provided between adjacent support columns (1), a buffer mechanism (1) (4) is provided on the front side of the support column (1), a handrail (2) is provided between adjacent support columns (1), the two ends of the handrail (2) are respectively fixedly connected to adjacent side walls of two support columns (1), and a warning light (3) is provided on the handrail (2); The left and right ends of the second buffer mechanism (5) are fixedly connected to the left and right support columns (1), and the second buffer mechanism (5) comprises a plurality of buffer baffles (7), and reflective strips are pasted on the outer sides of the buffer baffles (7). The left and right sides of the buffer baffles (7) are provided with sliding cavities (8), and a sliding plate (10) is slidably connected in the sliding cavity (8). The two sliding plates (10) are fixedly connected with a sliding connecting rod (11) on the sides away from each other, and the end of the sliding connecting rod (11) away from the sliding plate (10) passes through the side wall of the sliding cavity (8) and extends to the outside of the sliding cavity (8), and the end of the adjacent sliding connecting rod (11) away from the buffer baffle (7) is hinged by a pin.
2. A protective device according to claim 1, characterized in that: A traction spring (9) is arranged on the inner side of the sliding cavity (8), one end of the traction spring (9) is fixedly connected to the side wall of the sliding plate (10) away from the sliding connecting rod (11), and one end of the traction spring (9) away from the sliding plate (10) is fixedly connected to the inner wall of the sliding cavity (8) away from the sliding connecting rod (11), and the traction spring (9) is always in a stretched state.
3. A protective device according to claim 1, characterized in that: The buffer mechanism (4) comprises a mounting plate (16), the mounting plate (16) being located at the front side of the support column (1), an elastic plate (18) being arranged at the front side of the mounting plate (16), a plurality of mounting holes (19) being opened on the elastic plate (18), a rotating column (6) being arranged at the inner side of the mounting hole (19), the upper and lower ends of the rotating column (6) being rotatably connected to the upper and lower inner walls of the mounting hole (19) respectively, a plurality of sliding connection plates (17) being symmetrically arranged at the left and right sides of the rear side wall of the mounting plate (16), the ends of the sliding connection plates (17) on the left and right sides being away from each other being fixedly connected to the left and right ends of the elastic plate (18) respectively.
4. A protective device according to claim 3, characterized in that: A rubber wrapping layer is arranged on the outer side of the rotating column (6), and the elastic plate (18) is arranged in an arc shape.
5. A protective device according to claim 3, characterized in that: The rear end of the mounting plate (16) is connected to a plurality of buffer rods (12) via a universal connector; one end of the buffer rod (12) away from the mounting plate (16) passes through the support column (1) and is fixedly connected to a baffle (13); a landscape lamp (14) is provided at the rear end of the baffle (13).
6. A protective device according to claim 5, characterized in that: A buffer spring (15) is sleeved on the buffer rod (12), the front end of the buffer spring (15) is fixedly connected to the rear end of the support column (1), and the rear end of the buffer spring (15) is fixedly connected to the front end of the baffle (13).