Municipal road protective fence

Abstract

The utility model relates to the field of protective fences, and discloses a municipal road protective fence which comprises a protective fence body, reinforcing anti-falling mechanisms are arranged on the left side and the right side of the lower end of the protective fence body, and each reinforcing anti-falling mechanism comprises an inner supporting arm, a threaded rod, a driving sliding block, a supporting arm, a foot expanding plate and a rotating connecting pad. According to the anti-toppling protective fence, through the arranged reinforcing anti-toppling mechanism, in the process that the protective fence is placed on a municipal road, a user can manually screw an adjusting knob clockwise to enable a threaded rod to rotate clockwise, at the moment, a driving sliding block in threaded connection with the outer side of the threaded rod moves downwards, and in the downward moving process of the driving sliding block, the driving sliding block is driven to rotate clockwise; the supporting arms rotationally connected to the two sides of the protective fence body are separated towards the outer side, the distance between the foot expanding plates on the outer sides of the two supporting arms is increased, the stress area of the protective fence body and the municipal construction road surface is increased, and therefore the whole protective fence is more stable in structure and can be better prevented from being pushed down by external force.

Description

Technical Field

[0001] The utility model relates to the field of guardrails, in particular to municipal road guardrails. Background Art

[0002] Municipal road guardrail refers to a safety facility set up in urban roads, highways, bridges and other traffic places to separate pedestrians and motor vehicles, prevent accidental vehicle collisions, guide traffic flow, protect pedestrian safety and protect road facilities.

[0003] According to the Chinese authorized patent announcement number: CN219808306U, a municipal road guardrail is disclosed. The utility model can separate municipal roads by a guardrail composed of a cross bar, multiple vertical bars, a cross tube and two vertical tubes, and the guardrail can be installed at a corresponding position of the municipal road through two supporting legs. The guardrail can be conveniently moved without affecting the installation of the guardrail through two lifting and moving mechanisms, thereby facilitating the installation and disassembly of the device. The two screws can be driven to rotate through the transverse transmission mechanism and the longitudinal transmission mechanism, and the multiple universal wheels can be stored through the avoidance groove. The multiple universal wheels can be driven to move up and down by the screws rotating on the inner wall of the threaded sleeve, and the threaded sleeve can be limited by multiple limiting grooves and multiple limiting blocks. The two screws can be driven to rotate through the transmission rod and multiple bevel gears, and the transmission rod can be driven to rotate through the worm and the worm wheel. However, the municipal road guardrail still has shortcomings. At the municipal road construction site, the road guardrail is mostly installed outdoors. In the outdoor environment, the road guardrail will be affected by wind or human influence, and it is easy to topple over after being acted upon by external forces, affecting the isolation effect. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a municipal road guardrail, which solves the problem that in outdoor environments, the road guardrail may be affected by wind or human influences and easily topple over after being acted upon by external forces, thus affecting the isolation effect.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a municipal road guardrail, including a guardrail body, wherein the left and right sides of the lower end of the guardrail body are provided with a reinforcement anti-falling mechanism, and the reinforcement anti-falling mechanism includes an inner support arm, a threaded rod, a driving slider, a support arm, a foot expansion plate and a rotating connection pad, the inner support arm is fixedly connected to the inner side of the lower end of the guardrail body, a threaded rod is provided on the inner side of the inner support arm, the upper and lower ends of the threaded rod are rotatably connected to the inner side of the inner support arm, the outer side of the threaded rod is threadedly connected to the driving slider, the front and rear sides of the outer surface of the driving slider are rotatably connected to the support arms, the ends of the front and rear two support arms away from the driving slider are respectively rotatably connected to the outsides of the two rotating connection pads, the lower ends of the front and rear two rotating connection pads are respectively fixedly connected to the upper surfaces of the two foot expansion plates, the upper surface of the inner support arm is rotatably connected to an adjusting knob, and the adjusting knob is transmission-connected to the threaded rod;

[0006] A limiting mechanism is arranged on the upper surface of the inner support arm, and the limiting mechanism includes a limiting ratchet, a limiting buckle and a torsion spring. The limiting ratchet is arranged between the adjusting knob and the threaded rod, and the limiting ratchet is sleeved on the outside of the threaded rod and fixedly connected to the threaded rod. One side of the limiting ratchet is engaged with the limiting buckle, and a torsion spring is arranged between an end of the limiting buckle away from the limiting ratchet and the inner support arm.

[0007] Preferably, connection mechanisms are provided on both left and right sides of the outer surface of the guardrail body, and the connection mechanisms include a mounting plate and positioning holes, and the mounting plate is fixedly connected to the outer side of the guardrail body.

[0008] Preferably, a plurality of positioning holes are provided on the surface of the mounting plate.

[0009] Preferably, a blocking net is arranged in the middle of the guardrail body.

[0010] Preferably, municipal road information signs are fixedly connected to the left and right ends of the front side of the barrier net, and a plurality of reflective strips are fixedly connected to the outer surfaces of the two municipal road information signs.

[0011] Preferably, the driving slider is slidably connected to the inner side of the inner support arm.

[0012] Preferably, fixed foot plates are fixedly connected to the left and right sides of the lower end of the guardrail body.

[0013] Beneficial Effects

[0014] The utility model provides a municipal road guardrail. Compared with the prior art, it has the following beneficial effects:

[0015] 1. In the utility model, by setting up a reinforced anti-falling mechanism, when placing the guardrail on the municipal road, the user can manually turn the adjusting knob clockwise to rotate the threaded rod clockwise. At this time, the driving slider connected to the threaded outer side of the threaded rod moves downward. During the downward movement of the driving slider, the support arms rotatably connected on both sides thereof separate outward, and the distance between the expansion plates on the outer sides of the two support arms increases, thereby increasing the force-bearing area of ​​the guardrail body and the municipal construction road surface, thereby making the structure of the entire guardrail more stable and better preventing it from being pushed down by external forces;

[0016] 2. In the utility model, through the setting of the limiting mechanism, before the user manually turns the Taojie knob, it is necessary to manually pry the limiting buckle so that one end of the limiting buckle is separated from the limiting ratchet under the adjusting knob. At this time, the limiting ratchet no longer limits the adjusting knob. After the adjusting knob is turned to adjust the swinging angle of the support arm, the limiting buckle automatically rotates to the position of the limiting ratchet under the action of the torsion spring, thereby preventing the adjusting knob from rotating at will. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the front three-dimensional structure of the municipal road guardrail proposed by the utility model;

[0018] Figure 2 This is a schematic diagram of the rear three-dimensional structure of the municipal road guardrail proposed by the utility model;

[0019] Figure 3 This is a structural schematic diagram of the municipal road guardrail proposed by the utility model from the oblique upper front side perspective;

[0020] Figure 4 The municipal road guardrail proposed by the utility model Figure 2 A is an enlarged view of the middle image.

[0021] Legend:

[0022] 1. Guardrail; 2. Barrier net; 3. Municipal road information sign; 4. Reflective strip; 5. Reinforced anti-fall mechanism; 501. Inner support arm; 502. Threaded rod; 503. Driving slider; 504. Support arm; 505. Expanding foot plate; 506. Rotating connecting pad; 507. Adjusting knob; 6. Limiting mechanism; 601. Limiting ratchet; 602. Limiting buckle; 603. Torsion spring; 7. Connecting mechanism; 701. Mounting plate; 702. Positioning hole; 8. Fixed foot 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] See also Figure 1-Figure 4 The utility model provides two technical solutions, which specifically include the following embodiments:

[0025] Embodiment 1:

[0026] The municipal road guardrail comprises a guardrail body 1, and a reinforcement anti-fall mechanism 5 is arranged on both sides of the lower end of the guardrail body 1, and the reinforcement anti-fall mechanism 5 comprises an inner support arm 501, a threaded rod 502, a driving slider 503, a support arm 504, a foot expansion plate 505 and a rotating connection pad 506. The inner support arm 501 is fixedly connected to the inner side of the lower end of the guardrail body 1, and a threaded rod 502 is arranged on the inner side of the inner support arm 501. The upper and lower ends of the threaded rod 502 are rotatably connected to the inner side of the inner support arm 501. The outer side of the threaded rod 502 is threadedly connected to the driving slider 503, and the front and rear sides of the outer surface of the driving slider 503 Both are rotatably connected with a support arm 504, and a locking nut is provided between the rotation position of the driving slider 503 and the support arm 504 for fixing the rotation connection position, and the ends of the front and rear support arms 504 away from the driving slider 503 are rotatably connected to the outside of the two rotation connection pads 506, and the lower ends of the front and rear rotation connection pads 506 are respectively fixedly connected to the upper surfaces of the two foot expansion plates 505, and the upper surface of the inner support arm 501 is rotatably connected with an adjusting knob 507, which is transmission-connected to the threaded rod 502, and the driving slider 503 is slidably connected to the inner side of the inner support arm 501.

[0027] During operation, when placing the guardrail on the municipal road, the user can manually turn the adjusting knob 507 clockwise to rotate the threaded rod 502 clockwise. At this time, the driving slider 503 threadedly connected to the outer side of the threaded rod 502 moves downward. During the downward movement of the driving slider 503, the supporting arms 504 rotatably connected on both sides thereof separate outward, and the distance between the expanding foot plates 505 on the outer sides of the two supporting arms 504 increases, thereby increasing the force-bearing area of ​​the guardrail body 1 and the municipal construction road surface, thereby making the structure of the entire guardrail more stable and better preventing it from being pushed down by external forces.

[0028] Embodiment 2:

[0029] On the basis of the first embodiment, a limiting mechanism 6 is provided on the upper surface of the inner support arm 501, and the limiting mechanism 6 includes a limiting ratchet 601, a limiting buckle 602 and a torsion spring 603. The limiting ratchet 601 is provided between the adjusting knob 507 and the threaded rod 502, and the limiting ratchet 601 is sleeved on the outside of the threaded rod 502 and fixedly connected to the threaded rod 502. One side of the limiting ratchet 601 engages with the limiting buckle 602, and a torsion spring 603 is provided between one end of the limiting buckle 602 away from the limiting ratchet 601 and the inner support arm 501. A connecting mechanism 7 is provided on both sides of the outer surface of the guardrail body 1, and the connecting mechanism 7 includes a mounting plate 701 and a positioning hole 702. The mounting plate 701 is fixedly connected to the outside of the guardrail body 1, and a plurality of positioning holes 702 are provided on the surface of the mounting plate 701. If the municipal road needs to separate pedestrians in a large area, the mounting plates 701 between the two guardrails can be connected to each other, and screws can be screwed into the positioning holes 702 between each other to complete the mutual assembly between different guardrails. A blocking net 2 is arranged in the middle of the guardrail body 1, and municipal road information signs 3 are fixedly connected to the left and right ends of the front side of the blocking net 2. The surface of the municipal road information sign 3 is provided with relevant municipal road construction content. The outer surfaces of the two municipal road information signs 3 are fixedly connected with a plurality of reflective strips 4. At night or under low light conditions, when the driver is driving at night, the headlights shining on the position of the reflective strips 4 can have a reflective effect, which is convenient for the driver to observe the position of the municipal road guardrail. Fixed foot plates 8 are fixedly connected to the left and right sides of the lower end of the guardrail body 1;

[0030] Before the user manually turns the knob, the user needs to manually bend the limit buckle 602 to disengage one end of the limit buckle 602 from the limit ratchet 601 below the adjusting knob 507. At this time, the limit ratchet 601 no longer limits the adjusting knob 507. After the adjusting knob 507 is turned to adjust the swing angle of the support arm 504, the limit buckle 602 automatically rotates back to the position of the limit ratchet 601 under the action of the torsion spring 603, thereby preventing the adjusting knob 507 from rotating at will.

[0031] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the application should be included in the protection scope of the present application.

Claims

1. A municipal road guardrail, comprising a guardrail body (1), characterized in that: The left and right sides of the lower end of the guardrail body (1) are both provided with a reinforcement anti-fall mechanism (5), and the reinforcement anti-fall mechanism (5) comprises an inner support arm (501), a threaded rod (502), a driving slider (503), a support arm (504), a foot expansion plate (505) and a rotatable connection pad (506), wherein the inner support arm (501) is fixedly connected to the inner side of the lower end of the guardrail body (1), a threaded rod (502) is provided on the inner side of the inner support arm (501), and the upper and lower ends of the threaded rod (502) are rotatably connected to the inner side of the inner support arm (501), and the outer side of the threaded rod (502) is rotatably connected to the inner side of the inner support arm (501). The side thread is connected with a driving slider (503), and the outer surface of the driving slider (503) is rotatably connected with support arms (504) on both the front and rear sides, and the ends of the front and rear support arms (504) away from the driving slider (503) are respectively rotatably connected to the outside of two rotating connection pads (506), and the lower ends of the front and rear rotating connection pads (506) are respectively fixedly connected to the upper surfaces of two foot expansion plates (505), and the upper surface of the inner support arm (501) is rotatably connected with an adjustment knob (507), and the adjustment knob (507) is drivingly connected to the threaded rod (502); A limiting mechanism (6) is arranged on the upper surface of the inner support arm (501), and the limiting mechanism (6) comprises a limiting ratchet (601), a limiting buckle (602) and a torsion spring (603); the limiting ratchet (601) is arranged between the adjusting knob (507) and the threaded rod (502), and the limiting ratchet (601) is sleeved on the outer side of the threaded rod (502) and fixedly connected to the threaded rod (502); one side of the limiting ratchet (601) is engaged with the limiting buckle (602), and a torsion spring (603) is arranged between one end of the limiting buckle (602) away from the limiting ratchet (601) and the inner support arm (501).

2. The municipal road guardrail according to claim 1, characterized in that: Connecting mechanisms (7) are provided on both left and right sides of the outer surface of the guardrail body (1); the connecting mechanisms (7) comprise a mounting plate (701) and a positioning hole (702); the mounting plate (701) is fixedly connected to the outer side of the guardrail body (1).

3. The municipal road guardrail according to claim 2, characterized in that: A plurality of positioning holes (702) are provided on the surface of the mounting plate (701).

4. The municipal road guardrail according to claim 1, characterized in that: A blocking net (2) is arranged in the middle of the protective fence body (1).

5. The municipal road guardrail according to claim 4, characterized in that: The left and right ends of the front side of the blocking net (2) are both fixedly connected to municipal road information signs (3), and the outer surfaces of the two municipal road information signs (3) are both fixedly connected to a plurality of reflective strips (4).

6. The municipal road guardrail according to claim 1, characterized in that: The driving slider (503) is slidably connected to the inner side of the inner support arm (501).

7. The municipal road guardrail according to claim 1, characterized in that: Fixed foot plates (8) are fixedly connected to both left and right sides of the lower end of the guardrail body (1).

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