A telescopic device for highway bridge guardrail
By designing the telescopic device of highway bridge guardrails and using the rotating and plugged connection plate structure, the problem that the fixed guardrail cannot adapt to road changes is solved, flexibility and adaptability is achieved, cost reduction and protection effect is improved.
Patent Information
- Application Number
- CN202421517612.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-29
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-06-29
AI Technical Summary
The existing highway bridge guardrail is designed as fixed and cannot be adjusted according to road changes, resulting in a decrease in protective effect and increasing construction and maintenance costs.
A telescopic device for a highway bridge guardrail is designed, including a first support seat, a second support seat and a telescopic splicing assembly, and rotation and plugging are achieved through the bottom and top connecting plates connected by the shaft to ensure the stability and safety of the connecting plate, and enhance the stability by screw bolt fixation.
It realizes the high flexibility and adaptability of the guardrail, and can adjust the length according to road conditions, reduce construction and maintenance costs, and improve protection effects.
Smart Images

Figure CN222730345U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of highway bridge guardrails, in particular to a telescopic device for highway bridge guardrails. Background Art
[0002] As an important part of road safety facilities, the main function of highway bridge guardrails is to provide safety protection for road users and prevent vehicles from losing control and running off the road.
[0003] In the existing highway bridge guardrail design, the most common one is a fixed structure, that is, the length and height of the guardrail are pre-set and cannot be adjusted according to the actual situation. Although this fixed guardrail design meets the basic safety needs to a certain extent, there are some problems. First, due to its bulky nature, the fixed guardrail requires a lot of manpower and material resources during transportation and installation, which increases the construction cost. Secondly, due to changes in road conditions and environmental factors, such as road widening and bridge reconstruction, fixed guardrails are often unable to adapt to these changes, resulting in a decrease in the protective effect of the guardrail and even becoming a safety hazard. In addition, fixed guardrails also require a lot of time and resources when repairing and replacing, affecting the normal use of the road. Therefore, a telescopic device for a highway bridge guardrail is proposed to solve the above-mentioned problems. Utility Model Content
[0004] 1. Technical issues to be resolved
[0005] In view of the deficiencies in the prior art, the utility model provides a telescopic device for a highway bridge guardrail, which has the advantages of high flexibility and adaptability, and the ability to adjust the length according to actual road conditions, thereby solving the problem that traditional fixed guardrails cannot adapt to road changes.
[0006] (II) Technical solution
[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0008] A telescopic device for a highway bridge guardrail, comprising a first support seat, a second support seat and a telescopic splicing assembly, wherein the first support seat and the second support seat have the same appearance and shape and are placed on the same straight line, and the telescopic splicing assembly is arranged inside a side of the first support seat and the second support seat close to each other;
[0009] The telescopic splicing assembly includes two bottom connecting plates and two top connecting plates, the two bottom connecting plates are respectively a first bottom connecting plate and a second bottom connecting plate, the two top connecting plates are respectively a first top connecting plate and a second top connecting plate, a rotation groove is opened in the middle of one side close to each other of the first support seat and the second support seat, the first bottom connecting plate and the first top connecting plate are located in the rotation groove of the first support seat, and the second bottom connecting plate and the second top connecting plate are located in the rotation groove of the second support seat.
[0010] As a preferred technical solution of the utility model, the first bottom connecting plate and the first top connecting plate as well as the second bottom connecting plate and the second top connecting plate are rotatably connected to the rotating grooves of the first support seat and the second support seat respectively through an axle rod.
[0011] As a preferred technical solution of the utility model, the ends of the first bottom connecting plate and the first top connecting plate away from one end of the shaft rod are provided with plug-in grooves, which are respectively plugged with the ends of the second bottom connecting plate and the second top connecting plate.
[0012] As a preferred technical solution of the utility model, the first bottom connecting plate, the first top connecting plate, the second bottom connecting plate and the second top connecting plate are all provided with arranged and distributed fixing holes, the sizes and spacings of the four groups of fixing holes are equal, and the four groups of fixing holes are respectively the first fixing hole, the second fixing hole, the third fixing hole and the fourth fixing hole.
[0013] As a preferred technical solution of the utility model, after the first bottom connecting plate and the second bottom connecting plate are plugged in, the two first fixing holes and the two third fixing holes are fixed by screws and bolts, and after the first top connecting plate and the second top connecting plate are plugged in, the two second fixing holes and the two fourth fixing holes are fixed by screws and bolts.
[0014] As a preferred technical solution of the utility model, a first positioning hole, a second positioning hole, a third positioning hole and a fourth positioning hole are respectively opened inside the first support seat and the second support seat.
[0015] As a preferred technical solution of the utility model, a bottom plate is provided on the front and rear sides of the first support seat and the second support seat, and an arc groove is opened on the top of the bottom plate, and a support plate is also provided between the top of the bottom plate and the first support seat and the second support seat.
[0016] (III) Beneficial effects
[0017] Compared with the prior art, the utility model provides a telescopic device for a highway bridge guardrail, which has the following beneficial effects:
[0018] The telescopic device of the highway bridge guardrail achieves high flexibility and adaptability through the first support seat, the second support seat and the internal telescopic splicing assembly. Specifically, the telescopic splicing assembly consists of two bottom connecting plates and two top connecting plates, and the bottom connecting plates and the top connecting plates are connected to the rotating grooves of the support seats through shafts, thereby allowing them to rotate when needed. The first bottom connecting plate and the first top connecting plate are provided with plug-in grooves at the ends away from the shafts, which can be plugged with the ends of the second bottom connecting plate and the second top connecting plate, thereby ensuring the stability and safety of the connecting plates during the splicing process. In addition, the fixing holes provided in the bottom connecting plates and the top connecting plates enable the plugged-in connecting plates to be fixed by screws and bolts, thereby enhancing the stability of the entire device. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the structure of the utility model;
[0020] Figure 2 This is a schematic diagram of the structure of the first support seat and the second support seat of the utility model when the top connecting plate and the bottom condensation plate are retracted;
[0021] Figure 3 It is a schematic diagram of the side structure of the first support seat of the utility model.
[0022] In the figure: 1. first support seat; 2. second support seat; 3. first bottom connecting plate; 4. first top connecting plate; 5. second bottom connecting plate; 6. second top connecting plate; 7. first fixing hole; 8. second fixing hole; 9. third fixing hole; 10. fourth fixing hole; 11. first positioning hole; 12. second positioning hole; 13. third positioning hole; 14. fourth positioning hole; 15. arc groove; 16. support plate. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.
[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0026] See also Figure 1-3 , a telescopic device for a highway bridge guardrail, comprising a first support seat 1, a second support seat 2 and a telescopic splicing assembly, the first support seat 1 and the second support seat 2 have the same appearance and shape and are placed on the same straight line, and a telescopic splicing assembly is arranged inside the first support seat 1 and the second support seat 2 close to each other;
[0027] The telescopic splicing assembly includes two bottom connecting plates and two top connecting plates, the two bottom connecting plates are respectively a first bottom connecting plate 3 and a second bottom connecting plate 5, the two top connecting plates are respectively a first top connecting plate 4 and a second top connecting plate 6, a rotation groove is opened in the middle of one side close to the first support seat 1 and the second support seat 2, the first bottom connecting plate 3 and the first top connecting plate 4 are located in the rotation groove of the first support seat 1, and the second bottom connecting plate 5 and the second top connecting plate 6 are located in the rotation groove of the second support seat 2.
[0028] In this embodiment, the first bottom connecting plate 3 and the first top connecting plate 4 as well as the second bottom connecting plate 5 and the second top connecting plate 6 are rotatably connected to the rotating grooves of the first supporting seat 1 and the second supporting seat 2 respectively through shafts.
[0029] In this embodiment, the ends of the first bottom connecting plate 3 and the first top connecting plate 4 away from one end of the shaft are provided with plugging grooves, and are plugged with the ends of the second bottom connecting plate 5 and the second top connecting plate 6 respectively.
[0030] It should be noted that a plug-in slot is provided at one end of the first bottom connecting plate 3 and the first top connecting plate 4 away from the shaft rod, and this design enables them to be plugged into the ends of the second bottom connecting plate 5 and the second top connecting plate 6 respectively. This plug-in method is simple and effective, which not only enhances the connection strength between the connecting plates, but also makes the telescopic device more stable during the telescopic process. The design of the plug-in slot makes the installation and disassembly process more convenient and improves work efficiency.
[0031] In this embodiment, the first bottom connecting plate 3, the first top connecting plate 4, the second bottom connecting plate 5 and the second top connecting plate 6 are all provided with arranged and distributed fixing holes, and the sizes and spacings of the four groups of fixing holes are equal. The four groups of fixing holes are respectively the first fixing hole 7, the second fixing hole 8, the third fixing hole 9 and the fourth fixing hole 10.
[0032] It should be noted that the fixing holes provided in the first bottom connecting plate 3, the first top connecting plate 4, the second bottom connecting plate 5 and the second top connecting plate 6 provide the possibility for fixing the connecting plates. The connecting plates are fixed by screws and bolts after being plugged in, which ensures the stability and safety of the entire device. The size and spacing of the fixing holes are equal, which makes the installation and fixing process more standardized and normalized, and improves the versatility and interchangeability of the device.
[0033] In this embodiment, after the first bottom connecting plate 3 and the second bottom connecting plate 5 are plugged in, the two first fixing holes 7 and the two third fixing holes 9 are fixed by screws and bolts, and after the first top connecting plate 4 and the second top connecting plate 6 are plugged in, the two second fixing holes 8 and the two fourth fixing holes 10 are fixed by screws and bolts.
[0034] In this embodiment, a first positioning hole 11 , a second positioning hole 12 , a third positioning hole 13 and a fourth positioning hole 14 are respectively formed inside the first supporting seat 1 and the second supporting seat 2 .
[0035] It should be noted that the first positioning hole 11, the second positioning hole 12, the third positioning hole 13 and the fourth positioning hole 14 respectively correspond to the positions of the four positioning holes away from one end of the shaft after the first bottom connecting plate 3, the first top connecting plate 4, the second bottom connecting plate 5 and the second top connecting plate 6 are rotated around the shaft to the inside of the first support seat 1 and the second support seat 2.
[0036] In this embodiment, a bottom plate is provided at the front and rear sides of the first support seat 1 and the second support seat 2 , and an arc groove 15 is opened on the top of the bottom plate. A support plate 16 is also provided between the top of the bottom plate and the first support seat 1 and the second support seat 2 .
[0037] It should be noted that heavy objects can be placed in the arc groove 15, so as to improve the impact resistance of the first support seat 1 and the second support seat 2, and the support plate 16 increases the overall stability of the first support seat 1 and the second support seat 2.
[0038] Beneficial effects:
[0039] The telescopic device of the highway bridge guardrail achieves high flexibility and adaptability through the first support seat 1 and the second support seat 2 and the internal telescopic splicing assembly. Specifically, the telescopic splicing assembly consists of two bottom connecting plates and two top connecting plates, and the bottom connecting plates and the top connecting plates are connected to the rotating grooves of the support seats through shafts, thereby allowing them to rotate when needed. The first bottom connecting plate 3 and the first top connecting plate 4 are provided with plug-in grooves at the ends away from the shafts, which can be plugged with the ends of the second bottom connecting plate 5 and the second top connecting plate 6, thereby ensuring the stability and safety of the connecting plates during the splicing process. In addition, the fixing holes opened in the bottom connecting plates and the top connecting plates enable the plugged-in connecting plates to be fixed by screws and bolts, thereby enhancing the stability of the entire device.
[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A telescopic device for a highway bridge guardrail, comprising a first support seat (1), a second support seat (2) and a telescopic splicing assembly, wherein the first support seat (1) and the second support seat (2) have the same appearance and shape and are placed on the same straight line, and the telescopic splicing assembly is arranged inside one side of the first support seat (1) and the second support seat (2) close to each other; Features: The telescopic splicing assembly comprises two bottom connecting plates and two top connecting plates, the two bottom connecting plates are respectively a first bottom connecting plate (3) and a second bottom connecting plate (5), the two top connecting plates are respectively a first top connecting plate (4) and a second top connecting plate (6), a rotation groove is provided in the middle of one side close to each other of the first support seat (1) and the second support seat (2), the first bottom connecting plate (3) and the first top connecting plate (4) are located in the rotation groove of the first support seat (1), and the second bottom connecting plate (5) and the second top connecting plate (6) are located in the rotation groove of the second support seat (2).
2. The telescopic device for a highway bridge guardrail according to claim 1, characterized in that: The first bottom connecting plate (3) and the first top connecting plate (4) as well as the second bottom connecting plate (5) and the second top connecting plate (6) are rotatably connected to the rotating grooves of the first supporting seat (1) and the second supporting seat (2) respectively through shaft rods.
3. The telescopic device for a highway bridge guardrail according to claim 2, characterized in that: The ends of the first bottom connecting plate (3) and the first top connecting plate (4) away from one end of the shaft rod are provided with plugging grooves, and are respectively plugged with the ends of the second bottom connecting plate (5) and the second top connecting plate (6).
4. The telescopic device for a highway bridge guardrail according to claim 3 is characterized in that: The first bottom connecting plate (3), the first top connecting plate (4), the second bottom connecting plate (5) and the second top connecting plate (6) are all provided with arranged and distributed fixing holes, the sizes and spacings of the four groups of fixing holes are equal, and the four groups of fixing holes are respectively a first fixing hole (7), a second fixing hole (8), a third fixing hole (9) and a fourth fixing hole (10).
5. The telescopic device for a highway bridge guardrail according to claim 4, characterized in that: After the first bottom connecting plate (3) and the second bottom connecting plate (5) are plugged in, the two first fixing holes (7) and the two third fixing holes (9) are fixed by screw bolts, and after the first top connecting plate (4) and the second top connecting plate (6) are plugged in, the two second fixing holes (8) and the two fourth fixing holes (10) are fixed by screw bolts.
6. The telescopic device for a highway bridge guardrail according to claim 5, characterized in that: A first positioning hole (11), a second positioning hole (12), a third positioning hole (13) and a fourth positioning hole (14) are respectively provided inside the first support seat (1) and the second support seat (2).
7. The telescopic device for a highway bridge guardrail according to claim 1, characterized in that: Bottom plates are arranged on the front and rear sides of the first support seat (1) and the second support seat (2), and an arc-shaped groove (15) is opened on the top of the bottom plate. A support plate (16) is also arranged between the top of the bottom plate and the first support seat (1) and the second support seat (2).