Foldable protective fence for road construction

Abstract

The utility model belongs to the technical field of safety protection equipment, and particularly relates to a foldable protective fence for road construction, which comprises a protective fence frame, a first transverse plate and a second transverse plate are arranged on the protective fence frame, the length of an original road fence area is only the original length of the protective fence frame, and when the length of a road construction area is relatively long, the first transverse plate is rotated, and the second transverse plate is rotated. The length of the road fence is equal to the sum of the length of the guardrail frame and the length of the first transverse plate, the second transverse plate is rotated, the convex block on the second transverse plate is clamped out of the second clamping groove and rotated by 180 degrees, and the length of the road fence is equal to the sum of the length of the guardrail frame and the length of the first transverse plate. At the moment, the length of the road fence is equal to the sum of the length of the guardrail frame, the length of the first transverse plate and the length of the second transverse plate, and the guardrail frame, the first transverse plate and the second transverse plate can be folded and stretched; compared with the prior art, the length of a road fence area can be increased, and storage and transportation are facilitated.

Description

Technical Field

[0001] This utility model relates to the field of safety protection equipment technology, and more specifically, it relates to a foldable guardrail for road construction. Background Technology

[0002] In the field of road traffic, road guardrails are important safety protection facilities, widely used in highways, urban roads, bridges, tunnels and other places, with the aim of preventing vehicles from losing control and running off the road, and protecting the safety of pedestrians and vehicles.

[0003] For example, a municipal road guardrail disclosed in application publication number CN110093884A includes a fixed post assembly and a horizontal railing assembly connecting adjacent fixed post assemblies. The fixed post assembly includes a supporting steel pipe, with a rectangular upper cut on each of the two opposite sides of the upper end of the supporting steel pipe, and a lower cut on each of the two upper cuts on the same side of the lower end of the supporting steel pipe. The horizontal railing assembly includes an upper supporting horizontal rail passing through the upper cut and a lower supporting horizontal rail passing through the lower cut. Both ends of the upper supporting horizontal rail are welded with upper sliders that are inserted into the supporting steel pipe, and both ends of the lower supporting horizontal rail are welded with lower sliders that are inserted into the supporting steel pipe.

[0004] As mentioned above, since each guardrail is independent and its length is fixed, when the road construction area is long, the guardrail in this patent cannot be adjusted in length at will, which limits the length of the road fence. Because multiple guardrails are stacked together during transportation, there is a possibility that one guardrail will fall off between adjacent guardrails, which is not conducive to storage and transportation. Utility Model Content

[0005] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a foldable protective fence for road construction that can increase the length of the road fence area and is convenient for storage and transportation.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A foldable guardrail for road construction includes a guardrail frame with a first horizontal plate and a second horizontal plate on the frame.

[0008] The first and second horizontal plates are both placed on both sides of the guardrail frame and are hinged to the guardrail frame.

[0009] Both the first and second horizontal plates are equipped with connecting sleeves and fasteners on both sides.

[0010] The guardrail has a first slot and a second slot on each side. Each slot contains a movable rod, with both ends of the movable rod connected to the slot.

[0011] The connecting sleeve on the first horizontal plate is rotatably connected to the movable rod in the first slot, and the connecting sleeve on the second horizontal plate is rotatably connected to the movable rod in the second slot. The fasteners on both the first and second horizontal plates are connected to the guardrail frame.

[0012] The present invention is further configured such that the buckle includes a fixing plate and a limiting block, and the limiting block is hinged to the fixing plate.

[0013] The present invention is further configured such that: a hole is provided on the fixing plate, a rotating shaft is provided in the hole, and a sleeve is provided on one side of the limiting block. The sleeve extends into the hole and is fitted onto the rotating shaft so that the sleeve and the rotating shaft are rotatably connected.

[0014] The present invention is further configured such that: the limiting block is provided with a protrusion, the protrusion is elastic, and the two ends of the guardrail are respectively provided with a first locking groove and a second locking groove; the protrusion on the first horizontal plate extends into the first locking groove and connects with the first locking groove; and the protrusion on the second horizontal plate extends into the second locking groove and connects with the second locking groove.

[0015] The present invention is further configured such that: mounting plates are provided on the bottom surface of the guardrail frame, the bottom surface of the first horizontal plate, and the bottom surface of the second horizontal plate, and the mounting plates are fixedly connected to the guardrail frame.

[0016] By adopting the above technical solution, the beneficial effects of this utility model are as follows:

[0017] Originally, the first and second horizontal panels were placed on both sides of the guardrail frame by folding.

[0018] The mounting plate on the guardrail is fixed to the road surface with screws. At this point, the length of the road fence area is only the original length of the guardrail. When the road construction area is long, the first horizontal plate is rotated, and the protrusion on the first horizontal plate is disengaged from the first locking groove. The connecting sleeve on the first horizontal plate rotates outward around the movable rod in the first groove, rotating 180 degrees. At this point, the length of the road fence is the length of the guardrail plus the length of the first horizontal plate.

[0019] Rotating the second horizontal plate causes the protrusion on it to disengage from the second locking groove. The connecting sleeve on the second horizontal plate then rotates outward around the movable rod in the second groove, turning 180 degrees. At this point, the length of the road fence is the sum of the length of the guardrail frame, the length of the first horizontal plate, and the length of the second horizontal plate, thus increasing the length of the road fence area.

[0020] Because the guardrail frame, the first horizontal plate, and the second horizontal plate are foldable and extendable, they are convenient for storage and transportation. Attached Figure Description

[0021] Figure 1 This is an exploded view of an embodiment of the present utility model;

[0022] Figure 2 This is a schematic diagram of the connection between the second horizontal plate and the guardrail frame in this practical application;

[0023] Figure 3 This is a three-dimensional view of the utility limit block.

[0024] Guardrail frame 1, first horizontal plate 2, second horizontal plate 3, connecting sleeve 4, fastener 5, first slot 6, second slot 7, movable rod 8, rotating shaft 9, sleeve rod 10, protrusion 11, first snap-fit ​​groove 12, second snap-fit ​​groove 13, mounting plate 14, fixing plate 501, limit block 502. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0027] like Figures 1 to 3 As shown, the foldable guardrail for road construction includes a guardrail frame 1, on which a first horizontal plate 2 and a second horizontal plate 3 are installed. The first horizontal plate 2 and the second horizontal plate 3 are both placed on both sides of the guardrail frame 1 and are hinged to the guardrail frame 1.

[0028] Both sides of the first horizontal plate 2 and the second horizontal plate 3 are equipped with connecting sleeves 4 and fasteners 5. The guardrail frame 1 has a first slot 6 and a second slot 7 on both sides respectively. Movable rods 8 are provided in both the first slot 6 and the second slot 7, and both ends of the movable rods 8 are connected to the slots.

[0029] The connecting sleeve 4 on the first horizontal plate 2 is fitted onto the movable rod 8 in the first slot 6 and is rotatably connected to the movable rod 8. The connecting sleeve 4 on the second horizontal plate 3 is fitted onto the movable rod 8 in the second slot 7 and is rotatably connected to the movable rod 8, so that the first horizontal plate 2 and the second horizontal plate 3 can rotate 180 degrees on both sides of the guardrail frame 1.

[0030] The buckles 5 on the first horizontal plate 2 and the second horizontal plate 3 are both connected to the guardrail frame 1. The buckle 5 includes a fixing plate 501 and a limiting block 502. The limiting block 502 is hinged to the fixing plate 501. The fixing plate 501 has a hole, and a rotating shaft 9 is installed in the hole. A sleeve rod 10 is installed on one side of the limiting block 502. The sleeve rod 10 extends into the hole and is fitted onto the rotating shaft 9 so that the sleeve rod 10 is rotatably connected to the rotating shaft 9.

[0031] The limiting block 502 is equipped with a protrusion 11, which is elastic. The guardrail frame 1 has a first locking groove 12 and a second locking groove 13 at both ends. The protrusion 11 on the first horizontal plate 2 extends into the first locking groove 12 and connects with the first locking groove 12. The protrusion 11 on the second horizontal plate 3 extends into the second locking groove 13 and engages with the second locking groove 13.

[0032] When the protrusion 11 on the first horizontal plate 2 is disengaged from the first locking groove 12, the first horizontal plate 2 can be rotated until it and the guardrail frame 1 are horizontally aligned.

[0033] When the protrusion 11 on the second horizontal plate 3 is disengaged from the second locking groove 13, the second horizontal plate 3 can be rotated.

[0034] Rotate the second horizontal plate 3 to be horizontal with the bottom of the guardrail frame 1, and extend the length of the road fence area through the first horizontal plate 2 and the second horizontal plate 3.

[0035] When the protrusion 11 on the first horizontal plate 2 engages and is fixed with the first locking groove 12, and the protrusion 11 on the second horizontal plate 3 engages and is fixed with the second locking groove 13, the guardrail frame 1 is folded, making it easier to transport later.

[0036] Mounting plates 14 are installed on the bottom surface of guardrail frame 1, the bottom surface of first horizontal plate 2, and the bottom surface of second horizontal plate 3. Guardrail frame 1, first horizontal plate 2, and second horizontal plate 3 are all integrally formed with mounting plates 14.

[0037] The mounting plate 14 on the guardrail frame 1 is fixed to the road surface with screws. The mounting plate 14 on the first horizontal plate 2 is fixed to the road surface with screws. The mounting plate 14 on the second horizontal plate 3 is also fixed to the road bottom surface with screws. When the guardrail frame 1, the first horizontal plate 2 and the second horizontal plate 3 are removed from the road surface, only the screws need to be removed.

[0038] Working principle: Originally, the first horizontal plate 2 and the second horizontal plate 3 are placed on both sides of the guardrail frame 1 by folding. The mounting plate 14 on the guardrail frame 1 is fixed to the bottom of the road by screws. At this time, the length of the road fence area is only the original length of the guardrail frame 1. When the road construction area is longer, the first horizontal plate 2 is rotated, and the protrusion 11 on the first horizontal plate 2 is disengaged from the first locking groove 12. The connecting sleeve 4 on the first horizontal plate 2 rotates outward around the movable rod 8 in the first groove 6, rotating 180 degrees. At this time, the length of the road fence is the length of the guardrail frame 1 plus the length of the first horizontal plate 2.

[0039] Rotating the second horizontal plate 3 causes the protrusion 11 on it to disengage from the second locking groove 13. The connecting sleeve 4 on the second horizontal plate 3 then rotates outwards around the movable rod 8 in the second slot 7, turning 180 degrees. At this point, the length of the road fence is the sum of the length of the guardrail frame 1, the length of the first horizontal plate 2, and the length of the second horizontal plate 3, thus increasing the length of the road fence area.

[0040] Because the guardrail frame 1, the first horizontal plate 2, and the second horizontal plate 3 are foldable and extendable, they are convenient for storage and transportation.

[0041] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any ordinary changes and substitutions made by those skilled in the art within the scope of the technical solution of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A foldable guardrail for road construction, characterized in that, It includes a guardrail frame (1), on which a first horizontal plate (2) and a second horizontal plate (3) are provided. The first horizontal plate (2) and the second horizontal plate (3) are both placed on both sides of the guardrail frame (1) and are hinged to the guardrail frame (1). Both sides of the first horizontal plate (2) and the second horizontal plate (3) are provided with connecting sleeves (4) and fasteners (5). The guardrail frame (1) has a first slot (6) and a second slot (7) on both sides. Movable rods (8) are provided in both the first slot (6) and the second slot (7). Both ends of the movable rods (8) are connected to the slots. The connecting sleeve (4) on the first horizontal plate (2) is fitted onto the movable rod (8) in the first slot (6) and is rotatably connected to the movable rod (8). The connecting sleeve (4) on the second horizontal plate (3) is fitted onto the movable rod (8) in the second slot (7) and is rotatably connected to the movable rod (8). The buckles (5) on the first horizontal plate (2) and the second horizontal plate (3) are both connected to the guardrail frame (1).

2. The foldable guardrail for road construction according to claim 1, characterized in that, The fastener (5) includes a fixing plate (501) and a limiting block (502), and the limiting block (502) is hinged to the fixing plate (501).

3. The foldable guardrail for road construction according to claim 2, characterized in that, The fixing plate (501) has a hole, and a rotating shaft (9) is provided in the hole. A sleeve (10) is provided on one side of the limiting block (502). The sleeve (10) extends into the hole and is sleeved on the rotating shaft (9) so that the sleeve (10) and the rotating shaft (9) can be rotatably connected.

4. A foldable guardrail for road construction according to claim 3, characterized in that, The limiting block (502) is provided with a protrusion (11), which is elastic. The guardrail frame (1) is provided with a first locking groove (12) and a second locking groove (13) at both ends. The protrusion (11) on the first horizontal plate (2) extends into the first locking groove (12) and connects with the first locking groove (12). The protrusion (11) on the second horizontal plate (3) extends into the second locking groove (13) and connects with the second locking groove (13).

5. A foldable guardrail for road construction according to claim 1, characterized in that, Mounting plates (14) are provided on the bottom surface of the guardrail frame (1), the bottom surface of the first horizontal plate (2), and the bottom surface of the second horizontal plate (3). The mounting plates (14) are fixedly connected to the guardrail frame (1).

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