Bridge precast concrete anti-collision guardrail convenient to install
By designing a bridge precast concrete collision guardrail with split structure, the problem that the existing collision guardrail is inconvenient to replace parts is solved, and a more stable and convenient connection method is achieved, reducing resource waste and usage costs, and ensuring safety of night use.
Patent Information
- Application Number
- CN202421819992.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-30
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2034-07-30
AI Technical Summary
Existing anti-collision guardrails usually adopt an integral structure, which makes the railing structure the most vulnerable to damage, and the overall connection method is inconvenient to replace parts, resulting in wasted base resources and increased usage costs.
A precast concrete collision protection guardrail for bridges is designed for easy installation, and adopts a split structure of base, support frame, limit slide chute, limit slide rod, connecting plate, guardrail and reflective bar. Through the plug-in connection between limit slide chute and limit slide rod, the stable connection between the guardrail and the base is achieved, and the bolts are used to penetrate the support frame and the slide rod hole for fixed connection.
This design improves the connection stability between the guardrail and the base, facilitates separate disassembly and replaces components, avoids waste of resources, reduces usage costs, and ensures safety during night use.
Smart Images
Figure CN222835516U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of guardrail equipment, in particular to a prefabricated concrete anti-collision guardrail for bridges which is easy to install. Background Art
[0002] The bridge construction process takes a long time. To ensure construction safety, it is necessary to install anti-collision guardrails on the concrete at the edge of the bridge. Anti-collision guardrails are usually made of cold-formed steel and have the advantages of good impact resistance, low cost, long life, higher safety and green environmental protection.
[0003] Existing anti-collision guardrails usually adopt an integral structure and a fixed connection between the vertical railings and the base. However, in actual use, the railing structure is the most vulnerable and generally the most seriously damaged. The integral connection method is not convenient for replacing parts, resulting in waste of base resources that are less damaged, and increasing the cost of using the guardrail. Utility Model Content
[0004] The purpose of the utility model is to provide a precast concrete anti-collision guardrail for bridges that is easy to install in order to solve the problem that the existing anti-collision guardrails usually adopt an integral structure and a fixed connection between the vertical railings and the base, but the railing structure is the most vulnerable and generally the most seriously damaged during actual use, and the integral connection method is not convenient for replacing parts, resulting in waste of resources of the less damaged base and increased cost of using the guardrail.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a precast concrete anti-collision guardrail for a bridge that is easy to install, comprising: a base, a support frame embedded at one end of the base, a limiting slide groove at one side of the support frame, a limiting slide rod slidably connected inside the limiting slide groove, a connecting plate fixedly connected to the top of the limiting slide rod, a guardrail fixedly connected to the bottom surface of the connecting plate, a reflective strip pasted and connected to one side of the guardrail, a slide rod hole at one end of the limiting slide rod, a support frame hole at one end of the support frame, bolt one and bolt two are passed through the support frame hole, and a railing groove is provided on the top surface of the base.
[0006] As a further solution of the utility model: the support frames are provided in two groups, which are symmetrically arranged at both ends of the base, and a limited sliding groove structure is provided on one side of the two groups of support frames.
[0007] As a further solution of the utility model: the number of the limit sliding bars is provided in two groups, and the top ends of the two groups of limit sliding bars are fixedly connected to the same group of connecting plates.
[0008] As a further solution of the utility model: the guardrails are arranged in several groups and are evenly arranged on the bottom surface of the connecting plate, and a reflective strip structure is arranged on one side of the guardrails in several groups, and the railing grooves are adapted to the specifications of the number of the guardrails.
[0009] As a further solution of the utility model: the bolt one is threadedly connected with the bolt two, and the stud end of the bolt one is provided with a screw hole for threaded connection, and the specification is adapted to the stud end of the bolt two.
[0010] As a further solution of the utility model: the number of the slide rod holes and the support frame holes are arranged in a plurality of groups, and the insides are penetrated by bolt 1 and bolt 2 structures which are screwed together.
[0011] As a further solution of the utility model: a bottom plate groove is provided on the bottom surface of the base, straight plate grooves are symmetrically provided inside the base, a connecting bottom plate is embedded inside the bottom plate groove, two groups of connecting straight plates are symmetrically fixedly connected to the top surface of the connecting bottom plate, the number and specifications of the bottom plate groove and the connecting bottom plate, and the straight plate groove and the connecting straight plates are compatible with each other, and the connecting bottom plate is fixed to the external structure by a number of groups of mounting screws.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] The utility model discloses a plurality of protective railings, and the protective railings are connected with the base and the other structures by the fixing plate, and the fixing plate is connected with the fixing plate of the protective railings by the fixing plate. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the overall structure of a precast concrete anti-collision guardrail for a bridge that is easy to install according to the utility model;
[0015] Figure 2 It is a structural schematic diagram of a support frame in a precast concrete anti-collision guardrail for a bridge that is easy to install according to the utility model;
[0016] Figure 3 It is a structural schematic diagram of a protective railing in a precast concrete anti-collision guardrail for a bridge which is easy to install according to the utility model;
[0017] Figure 4It is a structural schematic diagram of a bolt 1 in a precast concrete anti-collision guardrail for a bridge that is easy to install according to the utility model;
[0018] Figure 5 The utility model is a structural schematic diagram of a support hole in a precast concrete anti-collision guardrail for a bridge which is easy to install.
[0019] In the figure: 1. Base; 2. Support frame; 3. Limit slide groove; 4. Limit slide bar; 5. Connecting plate; 6. Guardrail; 7. Reflective strip; 8. Slide bar hole; 9. Support frame hole; 10. Bolt one; 11. Bolt two; 12. Railing groove; 13. Bottom plate groove; 14. Straight plate groove; 15. Connecting bottom plate; 16. Connecting straight plate; 17. Mounting screws. DETAILED DESCRIPTION
[0020] 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.
[0021] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" 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 mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. The following is an explanation of the embodiments of the present utility model based on the overall structure of the present utility model.
[0022] Reference Figures 1 to 5In the embodiment of the utility model, a precast concrete anti-collision guardrail for a bridge that is easy to install includes: a base 1, a support frame 2 is embedded at one end of the base 1, a limited sliding groove 3 is provided on one side of the support frame 2, a limited sliding rod 4 is slidably connected inside the limited sliding groove 3, a connecting plate 5 is fixedly connected to the top of the limited sliding rod 4, a guardrail 6 is fixedly connected to the bottom surface of the connecting plate 5, a reflective strip 7 is glued and connected to one side of the guardrail 6, a sliding rod hole 8 is provided at one end of the limited sliding rod 4, a support frame hole 9 is provided at one end of the support frame 2, a bolt 10 and a bolt 2 11 are passed through the support frame hole 9, and a railing groove 12 is provided on the top surface of the base 1.
[0023] Reference Figures 1 to 5 There are two groups of support frames 2, which are symmetrically arranged at both ends of the base 1. A limited sliding groove 3 structure is provided on one side of the two groups of support frames 2. There are two groups of limited sliding rods 4, and the tops of the two groups of limited sliding rods 4 are fixedly connected to the same group of connecting plates 5. There are several groups of guardrails 6, which are evenly arranged on the bottom surface of the connecting plate 5. A reflective strip 7 structure is provided on one side of several groups of guardrails 6. The railing groove 12 is compatible with the number and specification of the guardrail 6. Bolt 10 is screwed together with bolt 2 11. The stud end of bolt 10 is provided with a screw hole for screwing connection, and is connected with bolt 2 The specifications of the stud ends of 11 are adapted, the number of slide rod holes 8 and support frame holes 9 are arranged in several groups, and the inside is penetrated by bolt one 10 and bolt two 11 structures that are screwed together, a bottom plate groove 13 is opened on the bottom surface of the base 1, and straight plate grooves 14 are symmetrically penetrated inside the base 1, a connecting bottom plate 15 is embedded inside the bottom plate groove 13, and two groups of connecting straight plates 16 are symmetrically fixedly connected to the top surface of the connecting bottom plate 15, the number and specifications of the bottom plate groove 13 and the connecting bottom plate 15, and the straight plate groove 14 and the connecting straight plate 16 are adapted to each other, and the connecting bottom plate 15 is fixed to the external structure through several groups of mounting screws 17.
[0024] The above scheme is adopted: the connecting plate 5 drives the limiting slide bar 4 to be inserted into the limiting slide groove 3 of the support frame 2, so that several groups of guardrails 6 are inserted into the railing groove 12 on the top surface of the base 1, and the guardrail 6 is fixedly connected with the base 1 and other structures stably. The plug-in connection mode of the limiting slide groove 3 and the limiting slide bar 4 is convenient for improving the stability of the connection, and the installation between the anti-collision guardrails is completed by bolts 10 and bolts 2 11 passing through the support frame hole 9 of the support frame 2 and the slide bar hole 8 of the limiting slide bar 4 and screwing to complete the fixed connection between each other. The fixing method is convenient and effective. The split structure of the base 1 and the guardrail 6 is also convenient for separate disassembly and replacement of components therein to avoid waste of resources. The reflective strip 7 is arranged on one side of the guardrail 6 to ensure safety when used at night.
[0025] The working principle of the utility model is as follows: when in use, the base 1 is connected to the bottom plate 15 and the connecting straight plate 16, and the specifications of the bottom plate groove 13 and the straight plate groove 14 are adapted to each other, and the top of the connecting straight plate 16 is hooked to facilitate the connection between the two, and the connection state is stable and safe. The base 1 and its top connection structure are fixedly installed through the external bridge structure by installing screws 17, and the connecting plate 5 drives the limiting slide rod 4 to be inserted into the limiting slide groove 3 of the support frame 2, so that a plurality of groups of guardrails 6 are inserted into the railing groove 12 on the top surface of the base 1, and the guardrails 6 are fixed. The railing 6 is stably connected to the base 1 and other structures, and the plug-in connection mode of the limiting slide groove 3 and the limiting slide rod 4 facilitates improving the stability of the connection. The installation between the anti-collision guardrails is completed by bolts 10 and bolts 11 passing through the support frame holes 9 of the support frame 2 and the slide rod holes 8 of the limiting slide rod 4 and screwing them together to complete the fixed connection between each other. The fixing method is convenient and effective. The split structure of the base 1 and the guardrail 6 is also convenient for separate disassembly and replacement of components therein to avoid waste of resources. The reflective strip 7 is arranged on one side of the guardrail 6 to ensure safety when used at night.
[0026] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A precast concrete anti-collision guardrail for a bridge that is easy to install, characterized in that: include: A base (1), wherein one end of the base (1) is embedded with a support frame (2), one side of the support frame (2) is provided with a limit slide groove (3), the limit slide groove (3) is internally slidably connected with a limit slide rod (4), the top of the limit slide rod (4) is fixedly connected with a connecting plate (5), the bottom surface of the connecting plate (5) is fixedly connected with a guardrail (6), one side of the guardrail (6) is adhesively connected with a reflective strip (7), one end of the limit slide rod (4) is provided with a slide rod hole (8), one end of the support frame (2) is provided with a support frame hole (9), a bolt 1 (10) and a bolt 2 (11) are passed through the support frame hole (9), and the top surface of the base (1) is provided with a guardrail groove (12).
2. The easy-to-install precast concrete anti-collision guardrail for bridges according to claim 1 is characterized in that: The support frames (2) are provided in two groups, and are symmetrically arranged at both ends of the base (1); one side of the two groups of support frames (2) is provided with a limited sliding groove (3) structure.
3. The easy-to-install precast concrete anti-collision guardrail for bridges according to claim 1 is characterized in that: The limit sliding bars (4) are provided in two groups, and the top ends of the two groups of limit sliding bars (4) are fixedly connected to the same group of connecting plates (5).
4. The easy-to-install precast concrete anti-collision guardrail for bridges according to claim 1 is characterized in that: The guardrails (6) are arranged in a plurality of groups and are evenly arranged on the bottom surface of the connecting plate (5). A reflective strip (7) structure is arranged on one side of the plurality of groups of guardrails (6). The guardrail grooves (12) are adapted to the number and specifications of the guardrails (6).
5. The easy-to-install precast concrete anti-collision guardrail for bridges according to claim 1 is characterized in that: The bolt one (10) is threadedly connected with the bolt two (11); the stud end of the bolt one (10) is provided with a screw hole for threaded connection, and the specification is compatible with the stud end of the bolt two (11).
6. The easy-to-install precast concrete anti-collision guardrail for bridges according to claim 1, characterized in that: The slide rod holes (8) and the support frame holes (9) are arranged in a plurality of groups, and are each provided with a bolt one (10) and a bolt two (11) structure that are screwed together.
7. The easy-to-install precast concrete anti-collision guardrail for bridges according to claim 1, characterized in that: The bottom surface of the base (1) is provided with a bottom plate groove (13), the inside of the base (1) is symmetrically penetrated with a straight plate groove (14), a connecting bottom plate (15) is embedded inside the bottom plate groove (13), and the top surface of the connecting bottom plate (15) is symmetrically fixedly connected with two groups of connecting straight plates (16), the bottom plate groove (13) and the connecting bottom plate (15), and the straight plate groove (14) and the connecting straight plates (16) are mutually compatible in quantity and specification, and the connecting bottom plate (15) is penetrated and fixed to the external structure by a plurality of groups of mounting screws (17).