Road and bridge protective fence
By using rubber-made vertical rods and buffer springs in the road bridge guardrail, combined with the interception effect of the protective net, the problem of poor energy absorption of existing iron guardrails is solved, achieving more effective vehicle collision absorption and preventing vehicles from rushing out of the lane.
Patent Information
- Application Number
- CN202422175843.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-04
- Publication Date
- 2025-06-13
- Estimated Expiration
- 2034-09-04
AI Technical Summary
The existing iron guardrails have poor energy absorption when the vehicle collided, and produce a large impact force, which is easy to cause damage to the vehicle and the occupants.
A road bridge guardrail is designed, with vertical rods and cushioning springs made of rubber. Through the cushioning effect of the vertical rods and the absorption effect of the cushioning springs, the impact force of the vehicle is reduced, and the interception effect of the protective net is prevented from rushing out of the lane.
It effectively reduces the impact force and scratch damage of the vehicle during collision, reduces the damage to the vehicle and the occupants, and prevents the vehicle from rushing out of the lane.
Smart Images

Figure CN222975746U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of road guardrails, and more specifically, particularly relates to a road and bridge guardrail. Background Art
[0002] The guardrail is a longitudinal energy-absorbing structure that absorbs collision energy through self-deformation or vehicle climbing, thereby changing the vehicle driving direction, preventing the vehicle from going out of the road or entering the oncoming lane, and minimizing the harm to the occupants to the greatest extent.
[0003] Most of the existing guardrails are iron guardrails. During vehicle driving, scratches are easily generated, which can easily damage the vehicle. Moreover, the iron guardrails have poor energy absorption, generate a large impact force, and the occupants in the vehicle are subjected to a large impact force, making it easy for people to be injured.
[0004] In view of this, research and improvement are carried out on the existing problems, and a road and bridge guardrail is provided, aiming to solve the problems and improve the practical value through this technology. Content of the Utility Model
[0005] The purpose of the utility model is to provide a road and bridge guardrail to solve the problems and deficiencies mentioned in the above background art.
[0006] To achieve the above purpose, the utility model provides a road and bridge guardrail, which is achieved by the following specific technical means:
[0007] A road bridge guardrail, comprising: a support column, a fixing plate, a connecting seat, a protection frame, a threading groove, a pulley, a protection net, a guide tube, a guide tube fixing plate, a partition, a sliding column, a buffer spring, a connecting plate, a connecting ring, a cross bar, and a vertical bar; the fixing plate is welded and fixed to the lower end of the support column; the connecting seat is welded and fixed to the side wall of the support column near the upper part and the lower part; the two ends of the protection frame are clamped and fixed in the connecting seat, and the protection frame is symmetrically arranged at two places in the connecting seat, and the protection frame and the connecting seat are fixedly connected by bolts; the threading groove is opened on the side wall of the support column, and the threading groove is located between the connecting seats; the pulley is fixedly arranged on the outside of the threading groove on the side wall of the support column; the guide tube is The guide tube fixing plate is fixedly arranged in the middle position of the inner side of the support column, and the partition is fixed in the middle position of the inner side of the guide tube; the sliding column is slidably inserted at both ends of the guide tube; the buffer spring is arranged on both sides of the partition in the guide tube, and the two ends of the buffer spring are respectively abutted against the partition and the sliding column; the connecting plate is welded to the end of the sliding column away from the buffer spring; the connecting ring passes through the connecting plate, and the connecting ring is movably arranged at two places on both sides of the connecting plate; the protective net is arranged between the protective frames, and the four corners of the protective net are fixedly connected to the connecting rings by ropes; the protective frame is composed of a horizontal bar and a vertical bar; the two ends of the vertical bar are connected to the horizontal bar by screws, and the vertical bars are evenly arranged at multiple places on the horizontal bar.
[0008] As a further optimization of the technical solution, the vertical rods of the road bridge guardrail of the utility model are made of rubber.
[0009] As a further optimization of the technical solution, the sliding column of the road bridge guardrail of the utility model is a circular columnar structure.
[0010] As a further optimization of the technical solution, the connecting seat of the road bridge guardrail of the utility model is a plate-like structure in the shape of the Chinese character "冂", and a circular through hole is opened on the connecting seat.
[0011] As a further optimization of the technical solution, the connecting plate of the road bridge guardrail of the utility model is a rectangular plate structure, and two circular holes for installing connecting rings are opened on the connecting plate.
[0012] Due to the application of the above technical solution, the utility model has the following advantages compared with the prior art:
[0013] 1. The vertical rod of the utility model is made of rubber, and both ends of the vertical rod are connected to the cross rod by screws, and the vertical rod is evenly arranged in multiple places on the cross rod. When a vehicle collides, the vertical rod cushions the vehicle and reduces the impact force of the vehicle. At the same time, the vertical rod reduces the damage to the vehicle when the vehicle is scratched.
[0014] 2. The buffer springs of the present utility model are arranged on both sides of the inner partition of the guide tube, and both ends of the buffer springs are respectively in contact with the partition and the sliding column. The connecting ring passes through the connecting plate, and the four corners of the protective net are fixedly connected to the connecting ring. When the vehicle impacts, the protective net intercepts the vehicle, and the buffer springs absorb part of the impact force of the vehicle, reducing the impact on the protective net. The protective net can prevent the vehicle from rushing out of the lane and reduce the impact injury suffered by the vehicle occupants.
[0015] 3. Through the improvement of the road and bridge guardrail, the present utility model has the advantages of preventing the vehicle from rushing out of the lane, reducing the impact injury suffered by the vehicle occupants, and reducing vehicle scratches, thus effectively solving the problems and deficiencies in the prior art and equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The drawings forming a part of this application are used to provide a further understanding of the present utility model. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation to the present utility model. In the drawings:
[0017] Figure 1 is the overall structural schematic diagram of the present utility model;
[0018] Figure 2 is the partial sectional structural schematic diagram of the present utility model;
[0019] Figure 3 is the exploded structural schematic diagram of the present utility model;
[0020] Figure 4 is the structural schematic diagram of the protective frame of the present utility model.
[0021] In the figure: support column 1, fixed plate 2, connecting seat 3, protective frame 4, wire groove 5, pulley 6, protective net 7, guide tube 8, guide tube fixing plate 9, partition 10, sliding column 11, buffer spring 12, connecting plate 13, connecting ring 14, cross bar 401, vertical bar 402. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.
[0023] Please refer to Figures 1 to 4 , the present utility model provides a specific technical implementation solution for a road and bridge guardrail:
[0024] A road bridge guardrail comprises: a support column 1, a fixing plate 2, a connecting seat 3, a protective frame 4, a threading groove 5, a pulley 6, a protective net 7, a guide tube 8, a guide tube fixing plate 9, a partition 10, a sliding column 11, a buffer spring 12, a connecting plate 13, a connecting ring 14, a cross bar 401, and a vertical bar 402; the fixing plate 2 is welded and fixed to the lower end of the support column 1; the connecting seat 3 is welded and fixed to the side walls of the support column 1 near the upper and lower parts; the connecting seat 3 is a plate-like structure in the shape of the Chinese character "冂", and a circular through hole is opened on the connecting seat 3; the two ends of the protective frame 4 are clamped and fixed in the connecting seat 3, and the protective frame 4 is symmetrically arranged at two locations in the connecting seat 3, and the protective frame 4 is fixed to the connecting seat 3 by bolts.
[0025] A threading groove 5 is provided on the side wall of the support column 1, and the threading groove 5 is located between the connecting seats 3, and is used for the rope connecting the protective net 7 to pass through; a pulley 6 is fixedly arranged on the outside of the threading groove 5 on the side wall of the support column 1, and is used for guiding the rope connecting the protective net 7; a guide tube 8 is fixedly arranged at the middle position of the inner side of the support column 1 through a guide tube fixing plate 9, and a partition 10 is fixed at the middle position of the inner side of the guide tube 8; a sliding column 11 is a circular columnar structure; the sliding column 11 is slidably plugged and arranged at both ends of the guide tube 8; a buffer spring 12 is arranged on both sides of the partition 10 in the guide tube 8, and the two ends of the buffer spring 12 are respectively abutted against the partition 10 and the sliding column 11. The buffer spring 12 absorbs part of the impact force of the vehicle and reduces the impact on the protective net 7. The connecting plate 13 is a rectangular plate structure, and two circular holes for installing connecting rings 14 are opened on the connecting plate 13. The connecting plate 13 is welded to the end of the sliding column 11 away from the buffer spring 12. The connecting ring 14 passes through the connecting plate 13, and the connecting ring 14 is movably arranged at two locations on both sides of the connecting plate 13. The protective net 7 is arranged between the protective frames 4, and the four corners of the protective net 7 are fixedly connected to the connecting rings 14 by ropes. When a vehicle collides, the protective net 7 intercepts the vehicle, and the protective net 7 can prevent the vehicle from running out of the lane, thereby reducing the impact damage to the vehicle occupants.
[0026] The protective frame 4 is composed of a cross bar 401 and a vertical bar 402; the vertical bar 402 is made of rubber; both ends of the vertical bar 402 are connected to the cross bar 401 by screws, and the vertical bars 402 are evenly arranged at multiple locations on the cross bar 401; when a vehicle collides, the vertical bars 402 cushion the vehicle and reduce the impact force of the vehicle. At the same time, the vertical bars 402 reduce the damage to the vehicle when the vehicle is scratched.
[0027] Specific implementation steps:
[0028] When the vehicle collides, it first contacts the vertical rod 402. The vertical rod 402 absorbs part of the impact of the vehicle. The vehicle continues to move and contacts the protective net 7. The protective net 7 pulls the connecting ring 14 and the connecting plate 13 downward. The sliding column 11 compresses the buffer spring 12, and the buffer spring 12 absorbs part of the impact force. The protective net 7 stops the vehicle and reduces the damage suffered by the vehicle and personnel.
[0029] In summary: For this kind of road and bridge guardrail, the vertical rod is made of rubber. The two ends of the vertical rod are connected to the cross rod by screws, and the vertical rods are evenly arranged at multiple places on the cross rod. When the vehicle collides, the vertical rod buffers the vehicle, reducing the impact force of the vehicle. At the same time, the vertical rod reduces the damage suffered by the vehicle during vehicle abrasion; by arranging the buffer spring on both sides of the partition in the guide tube, and the two ends of the buffer spring are respectively in contact with the partition and the sliding column, the connecting ring passes through the connecting plate, and the four corners of the protective net are fixedly connected to the connecting ring. When the vehicle collides, the protective net intercepts the vehicle, and the buffer spring absorbs part of the impact force of the vehicle, reducing the impact on the protective net. The protective net can prevent the vehicle from rushing out of the lane and reduce the impact damage suffered by vehicle personnel; through the improvement of the road and bridge guardrail, the utility model has the advantages of preventing the vehicle from rushing out of the lane, reducing the impact damage suffered by vehicle personnel, and reducing vehicle abrasion, thus effectively solving the problems and deficiencies in the prior art and equipment.
[0030] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A road and bridge guardrail, comprising: Support column (1), fixed plate (2), connecting seat (3), protective frame (4), wire trough (5), pulley (6), protective net (7), guide tube (8), guide tube fixed plate (9), partition plate (10), sliding column (11), buffer spring (12), connecting plate (13), connecting ring (14), cross bar (401), vertical bar (402); It is characterized in that: the fixed plate (2) is welded and fixed at the lower end of the support column (1); the connecting seat (3) is welded and fixed on the side walls of the support column (1) near the upper and lower parts; both ends of the protective frame (4) are clamped and fixed in the connecting seat (3), and there are two symmetrically arranged protective frames (4) in the connecting seat (3), and the protective frame (4) is fixedly connected to the connecting seat (3) by bolts; the wire trough (5) is opened on the side wall of the support column (1), and the wire trough (5) is located between the connecting seats (3); the pulley (6) is fixedly arranged on the outside of the wire trough (5) on the side wall of the support column (1); the guide tube (8) is fixedly arranged at the middle position inside the support column (1) through the guide tube fixed plate (9), and the partition plate (10) is fixed at the middle position inside the guide tube (8); the sliding column (11) is slidably inserted at both ends of the guide tube (8); the buffer spring (12) is arranged on both sides of the partition plate (10) inside the guide tube (8), and both ends of the buffer spring (12) are respectively abutted against the partition plate (10) and the sliding column (11); the connecting plate (13) is welded to the end of the sliding column (11) away from the buffer spring (12); the connecting ring (14) passes through the connecting plate (13), and there are two movable connecting rings (14) on both sides of the connecting plate (13); the protective net (7) is arranged between the protective frames (4), and the four corners of the protective net (7) are fixedly connected to the connecting ring (14) by ropes; the protective frame (4) is composed of a cross bar (401) and a vertical bar (402); both ends of the vertical bar (402) are connected to the cross bar (401) by screws, and there are multiple evenly distributed vertical bars (402) on the cross bar (401).
2. A road and bridge guardrail according to claim 1, characterized in that: The vertical bar (402) is made of rubber.
3. A road and bridge guardrail according to claim 1, characterized in that: The sliding column (11) is of a circular columnar structure.
4. A road and bridge guardrail according to claim 1, characterized in that: The connecting seat (3) is in the shape of a Chinese character '冂'-shaped plate structure, and a circular through hole is opened on the connecting seat (3).
5. A road and bridge guardrail according to claim 1, characterized in that: The connecting plate (13) is of a rectangular plate structure, and two round holes for installing the connecting ring (14) are opened on the connecting plate (13).