Protective fence for municipal road engineering

Abstract

The utility model relates to the technical field of municipal road engineering, and discloses a protective fence for municipal road engineering, which comprises a first protective fence, an inserting mechanism is arranged on the left side of the first protective fence, a second protective fence is arranged on one side of the inserting mechanism, a limiting mechanism is arranged on the outer side of the inserting mechanism, and the limiting mechanism comprises a fixing cylinder. The fixing cylinder is arranged on one side of the inserting mechanism, a spring is fixedly connected to the inner wall of the fixing cylinder, a circular plate is fixedly connected to the end, away from the inner wall of the first guardrail fixing cylinder, of the spring, and a circular sleeve is rotationally connected to the outer wall of the circular plate. According to the protective fence for municipal road engineering, through the arranged limiting mechanism, a clamping shaft cannot be pushed under the elastic effect of a spring, so that the second protective fence body and the first protective fence body are further connected and spliced conveniently, no external tool is needed for operation in the installation process, and the good disassembly and assembly efficiency can be achieved; and further development of municipal road engineering construction work is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of municipal road engineering, in particular to a guardrail for municipal road engineering. Background Art

[0002] Municipal road engineering refers to the construction and maintenance of roads within cities or urban areas. It involves the planning, design, construction and management of urban infrastructure to meet people's needs for transportation.

[0003] Guardrails are used in the process of municipal road construction to protect the construction site and reduce the impact on the surrounding environment. The protection area of ​​common municipal road construction guardrails is fixed. When the protection area needs to be increased, two guardrails often need to be spliced ​​and installed. However, during the installation process, external tools are often required for operation, and good disassembly and assembly efficiency cannot be achieved, which is not convenient for the further development of municipal road construction work. Utility Model Content

[0004] The purpose of the present utility model is to provide a guardrail for municipal road engineering to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a guardrail for municipal road engineering, comprising a first guardrail, a plug-in mechanism being provided on the left side of the first guardrail, a second guardrail being provided on one side of the plug-in mechanism, and a limit mechanism being provided on the outer side of the plug-in mechanism;

[0006] The limiting mechanism includes a fixed cylinder, which is arranged on one side of the plug-in mechanism. The inner wall of the fixed cylinder is fixedly connected to a spring. The end of the spring away from the inner wall of the first guardrail fixed cylinder is fixedly connected to a circular plate. The outer wall of the circular plate is rotatably connected to a circular sleeve. The outer wall of the circular sleeve is fixedly connected to a clamping plate. One side of the circular plate is fixedly connected to a clamping shaft. The side of the circular plate close to the spring is fixedly connected to a pull shaft, and the outer wall of the pull shaft is fixedly connected to a pull plate.

[0007] Preferably, a U-shaped opening is provided on the outer side of the fixing cylinder, and the clamping plate passes through the U-shaped opening so that the clamping plate can move through the U-shaped opening.

[0008] Preferably, a through hole is provided on a side of the fixing cylinder away from the plug-in mechanism, and the pull shaft passes through the through hole, so that the pull shaft can move through the through hole.

[0009] Preferably, the spring is sleeved on the outer wall of the pull shaft, and the circular sleeve is slidably connected to the inner wall of the fixed cylinder, so that the circular sleeve can move stably.

[0010] Preferably, the plug-in mechanism includes a fixing seat, which is fixedly connected to the left side of the first guardrail. A movable groove is provided on the inner wall of the fixing seat, and a movable block is fixedly connected to the right side of the second guardrail to achieve a preliminary connection between the first guardrail and the second guardrail.

[0011] Preferably, the shape of the inner wall of the movable groove matches the shape of the outer side of the movable block, and the movable block is movably connected to the inner wall of the movable groove, thereby achieving the purpose of stable limiting.

[0012] Preferably, a circular hole is provided on the outer side of the fixing seat, and the clamping shaft passes through the circular hole, so that the clamping shaft can move through the circular hole.

[0013] Preferably, a clamping hole is opened on one side of the movable block, and the clamping shaft is inserted into the inner wall of the clamping hole, so that the clamping shaft and the clamping hole cooperate with each other, thereby achieving the purpose of limiting the movable block.

[0014] Compared with the existing technology, the utility model provides a guardrail for municipal road engineering, which has the following beneficial effects:

[0015] 1. The guardrail for municipal road engineering uses a limiting mechanism to prevent the clamping shaft from being pushed under the elastic action of the spring, thereby facilitating the further connection and splicing of the second guardrail and the first guardrail. During the installation process, no external tools are required for operation, which can achieve good disassembly and assembly efficiency and facilitate the further development of municipal road engineering construction work.

[0016] 2. The guardrail for municipal road engineering has a plug-in mechanism. When the clamping shaft moves out of the movable groove, the movable block can be inserted into the inner wall of the movable groove through the second guardrail, thereby achieving the purpose of preliminary limit support. At the same time, the mutual cooperation between the movable groove and the movable block can ensure the stability of the connection between the first guardrail and the second guardrail, facilitating the further development of municipal road engineering work. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without inventive work.

[0018] Figure 1 This is a front view of the structure of the utility model;

[0019] Figure 2 This is the left side view of the structure of the utility model;

[0020] Figure 3 It is a structural diagram of the limiting mechanism;

[0021] Figure 4 for Figure 2 Enlarged structural diagram at point A in the middle.

[0022] In the figure: 1. First guardrail; 2. Second guardrail; 3. Limiting mechanism; 31. Fixed cylinder; 32. Spring; 33. Round plate; 34. Round sleeve; 35. Clamping shaft; 36. Clamping plate; 37. Pulling shaft; 38. Pulling plate; 4. Connecting mechanism; 41. Fixed seat; 42. Movable groove; 43. Movable block. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium, internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0025] The utility model provides the following technical solutions: Example

[0026] Combine Figures 1 to 4 A guardrail for municipal road engineering, comprising a first guardrail 1, a plug-in mechanism 4 is provided on the left side of the first guardrail 1, a second guardrail 2 is provided on one side of the plug-in mechanism 4, and a limiting mechanism 3 is provided on the outer side of the plug-in mechanism 4;

[0027] The limiting mechanism 3 includes a fixed cylinder 31, which is arranged on one side of the plug-in mechanism 4. The inner wall of the fixed cylinder 31 is fixedly connected to a spring 32. The end of the spring 32 away from the inner wall of the fixed cylinder 31 of the first guardrail 1 is fixedly connected to a circular plate 33. The outer wall of the circular plate 33 is rotatably connected to a circular sleeve 34. The outer wall of the circular sleeve 34 is fixedly connected to a clamping plate 36. One side of the circular plate 33 is fixedly connected to a clamping shaft 35. The side of the circular plate 33 close to the spring 32 is fixedly connected to a pull shaft 37. The outer wall of the pull shaft 37 is fixedly connected to a pull plate 38.

[0028] Furthermore, a U-shaped opening is provided on the outside of the fixing cylinder 31 , and the clamping plate 36 passes through the U-shaped opening, so that the clamping plate 36 can move through the U-shaped opening.

[0029] Furthermore, a through hole is formed on a side of the fixing cylinder 31 away from the plug-in mechanism 4 , and the pull shaft 37 passes through the through hole, so that the pull shaft 37 can move through the through hole.

[0030] Furthermore, the spring 32 is sleeved on the outer wall of the pull shaft 37 , and the circular sleeve 34 is slidably connected to the inner wall of the fixed cylinder 31 , so that the circular sleeve 34 can move stably. Example

[0031] See Figures 1 to 4 On the basis of Example 1, the plug-in mechanism 4 further includes a fixed seat 41, the fixed seat 41 is fixedly connected to the left side of the first guardrail 1, a movable groove 42 is opened on the inner wall of the fixed seat 41, and a movable block 43 is fixedly connected to the right side of the second guardrail 2 to realize the preliminary connection between the first guardrail 1 and the second guardrail 2.

[0032] Furthermore, the shape of the inner wall of the movable groove 42 matches the outer shape of the movable block 43 , and the movable block 43 is movably connected to the inner wall of the movable groove 42 , thereby achieving the purpose of stable limiting.

[0033] Furthermore, a circular hole is formed on the outer side of the fixing seat 41 , and the clamping shaft 35 passes through the circular hole, so that the clamping shaft 35 can move through the circular hole.

[0034] Furthermore, a clamping hole is provided on one side of the movable block 43 , and the clamping shaft 35 is inserted into the inner wall of the clamping hole so that the clamping shaft 35 and the clamping hole cooperate with each other, thereby achieving the purpose of limiting the movable block 43 .

[0035] When the lever 35 is in the unlocked position, the spring 32 is released, and the lever 35 is in the unlocked position, so that the lever 35 can be unlocked and the spring 32 can be unlocked to unlock the lever 35.

[0036] When the clamping shaft 35 moves out of the movable groove 42, the movable block 43 can be inserted into the inner wall of the movable groove 42 through the second guardrail 2, thereby achieving the purpose of preliminary limiting support. At the same time, the mutual cooperation between the movable groove 42 and the movable block 43 can ensure the stability of the connection between the first guardrail 1 and the second guardrail 2, thereby facilitating the further development of municipal road engineering work.

Claims

1. A guardrail for municipal road engineering, comprising a first guardrail (1), characterized in that: A plug-in mechanism (4) is provided on the left side of the first guardrail (1), a second guardrail (2) is provided on one side of the plug-in mechanism (4), and a limiting mechanism (3) is provided on the outside of the plug-in mechanism (4); The limiting mechanism (3) includes a fixed cylinder (31), the fixed cylinder (31) is arranged on one side of the plug-in mechanism (4), the inner wall of the fixed cylinder (31) is fixedly connected to a spring (32), the end of the spring (32) away from the inner wall of the fixed cylinder (31) of the first guardrail (1) is fixedly connected to a circular plate (33), the outer wall of the circular plate (33) is rotatably connected to a circular sleeve (34), the outer wall of the circular sleeve (34) is fixedly connected to a clamping plate (36), one side of the circular plate (33) is fixedly connected to a clamping shaft (35), the side of the circular plate (33) close to the spring (32) is fixedly connected to a pull shaft (37), and the outer wall of the pull shaft (37) is fixedly connected to a pull plate (38).

2. A guardrail for municipal road engineering according to claim 1, characterized in that: A U-shaped opening is provided on the outside of the fixing cylinder (31), and the clamping plate (36) passes through the U-shaped opening.

3. The guardrail for municipal road engineering according to claim 1, characterized in that: A through hole is provided on a side of the fixing cylinder (31) away from the plug-in mechanism (4), and the pulling shaft (37) passes through the through hole.

4. The guardrail for municipal road engineering according to claim 1, characterized in that: The spring (32) is sleeved on the outer wall of the pull shaft (37), and the circular sleeve (34) is slidably connected to the inner wall of the fixed cylinder (31).

5. The guardrail for municipal road engineering according to claim 1, characterized in that: The plug-in mechanism (4) comprises a fixing seat (41), the fixing seat (41) is fixedly connected to the left side of the first guardrail (1), a movable groove (42) is provided on the inner wall of the fixing seat (41), and a movable block (43) is fixedly connected to the right side of the second guardrail (2).

6. The municipal road engineering guardrail according to claim 1, characterized in that: The plug-in mechanism (4) comprises a fixing seat (41), the fixing seat (41) is fixedly connected to the left side of the first guardrail (1), a movable groove (42) is provided on the inner wall of the fixing seat (41), and a movable block (43) is fixedly connected to the right side of the second guardrail (2).

7. The guardrail for municipal road engineering according to claim 6, characterized in that: The shape of the inner wall of the movable groove (42) matches the outer shape of the movable block (43), and the movable block (43) is movably connected to the inner wall of the movable groove (42).

8. The guardrail for municipal road engineering according to claim 6, characterized in that: A circular hole is formed on the outside of the fixing seat (41), and the clamping shaft (35) passes through the circular hole.

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