Expressway anti-collision guardrail

Abstract

The utility model discloses an expressway anti-collision guardrail, which relates to the technical field of expressways and comprises a guardrail body, the left side and the right side of the rear end of the guardrail body are fixedly connected with fixing frames, a fixing ring is fixedly connected between the rear ends of the fixing frames, and the upper end and the lower end of the inner wall of the fixing ring are fixedly connected with limiting rods. A fixed rod is inserted between the rear ends of the limiting rods, a movable ring is slidably connected to the outer surface of the limiting rod and located behind the fixed ring, a contact plate is fixedly connected to the position, close to the limiting rod, of the rear side wall of the movable ring, and a bearing rod is arranged between the fixed ring and the movable ring and located on the outer surface of the limiting rod. The device is reasonable in design structure, the worm is rotated to drive the worm gear to rotate, the worm gear drives the toothed plate to move through the contact wheel, the toothed plate drives the limiting plate to move oppositely, the limiting plate is inserted between the fixed rod and the contact plate, the limiting plate drives the limiting rod to move through the fixed rod, and the fixed ring and the movable ring clamp the bearing rod, so that installation is achieved. The device is convenient to disassemble and assemble.

Description

TECHNICAL FIELD

[0001] The utility model relates to a highway technical field, concretely is a highway crash barrier. BACKGROUND

[0002] The highway guardrail is a longitudinal energy-absorbing structure, which absorbs collision energy by self-deformation or vehicle climbing to change the vehicle driving direction, prevent the vehicle from going out of the road or entering the opposite lane, protect the vehicle and passengers, and reduce the loss caused by the accident. And the highway guardrail can also effectively prevent the vehicle from driving into or out of the highway on the way, so as to achieve the purpose of preventing ticket evasion.

[0003] The existing guardrail plates in the highway guardrail are mostly installed by bolts, and the bolts are prone to rust after being exposed to the sun and rain in the external environment. The installation and disassembly process is time-consuming and laborious, which makes the assembly and replacement of the highway guardrail plate more inconvenient, and the damaged guardrail plate cannot be replaced quickly. Moreover, the existing guardrail plate needs to be supported by multiple people before the bolt is tightened, which increases the labor. Therefore, we provide a highway crash barrier to solve the above problems. UTILITARIAN CONTENT

[0004] I) Technical problems solved

[0005] The utility model aims at making up for the deficiency of prior art, and provides a highway crash barrier.

[0006] II) Technical scheme

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a highway crash barrier, which comprises a guardrail body, the left and right sides of the rear end of the guardrail body are fixedly connected with fixing frames, the rear ends of the fixing frames are fixedly connected with a fixing ring, the inner walls of the fixing ring are fixedly connected with limiting rods at the upper and lower ends, the rear ends of the limiting rods are inserted with a fixing rod, the outer surface of the limiting rod is slidingly connected with a moving ring behind the fixing ring, the rear side wall of the moving ring is fixedly connected with a contact plate near the limiting rod, a bearing rod is arranged between the fixing ring and the moving ring and located on the outer surface of the limiting rod, a blocking ring is fixedly connected to the outer wall of the bearing rod below the fixing ring, a fixed plate is fixedly connected to the bottom end of the bearing rod, a warning light is arranged on the top of the bearing rod, a support frame is fixedly connected between the side walls of the fixing ring, a protective cover is fixedly connected to the outer wall of the rear end of the support frame, a guide groove is formed in the rear end of the support frame, a contact wheel is rotatably connected to the inside of the protective cover at the center position of the rear end of the support frame, toothed plates are engaged at the upper and lower ends of the contact wheel, limiting plates are fixedly connected to the inside of the guide groove at the front end of the toothed plates, a worm gear is fixedly connected to the rear end of the contact wheel, and a worm is engaged with the right side of the worm gear.

[0008] Further, the fixing ring and the moving ring are both arranged in a circular arc shape, and anti-skid blocks are arranged on the inner walls of the fixing ring and the moving ring.

[0009] Furthermore, a socket engaged with the fixed rod is provided inside the limiting rod, and a movable hole engaged with the limiting rod is provided inside the movable ring.

[0010] Furthermore, an anti-slip groove is provided on the outer wall of the load-bearing rod near the fixed ring and the movable ring, a through hole is provided inside the load-bearing rod to engage with the limit rod, the fixed plate is connected to the external preset installation point, and an electric mechanism connected to the warning light is provided inside the load-bearing rod.

[0011] Furthermore, the contact wheel and the worm wheel are connected via a rotating rod, the side wall of the support frame is rotatably connected to the rotating rod by setting an extension frame, and the upper and lower ends of the worm are rotatably connected to the extension frame.

[0012] Furthermore, the limiting plate is provided with an inclined surface near the fixing rod, and the side wall of the limiting plate is slidably connected to the inner wall of the guide groove by providing a guide block.

[0013] Furthermore, the front end side wall of the limiting plate and the rear side wall of the contact plate are located in the same horizontal plane, and the limiting plate is arranged in an "L" shape.

[0014] 3) Beneficial effects:

[0015] Compared with the existing technology, the highway anti-collision guardrail has the following beneficial effects:

[0016] 1. The utility model drives the worm wheel to rotate by rotating the worm, and the worm wheel drives the tooth plate to move through the contact wheel, and the tooth plate drives the limit plate to move toward each other, and the limit plate is inserted between the fixed rod and the contact plate. The limit plate drives the limit rod to move through the fixed rod, and the fixed ring and the movable ring clamp the load-bearing rod, thereby realizing installation. It solves the problem that the bolts in the existing installation method are very easy to rust in the external environment, which makes it inconvenient to assemble and replace the guardrail plate, and has the advantage of easy disassembly and assembly.

[0017] 2. The utility model connects the load-bearing rod with the external preset point through the fixed plate. The guardrail body is moved by hand, and the guardrail body drives the fixed frame to move, the fixed frame drives the fixed ring to move, the fixed ring drives the limit rod to be inserted into the load-bearing rod, and the retaining ring supports and limits the fixed ring. At the same time, the movable ring is sleeved on the outside of the limit rod, and the fixed rod is inserted into the limit rod. At this time, the movable ring is limited on the limit rod under the action of the fixed rod, which solves the problem that the existing guardrail plate needs multiple people to support before the bolts are tightened, which increases labor, and has the advantage of saving labor. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is the positive triaxial drawing of the utility model;

[0019] Figure 2 This is a schematic diagram of the mobile ring of the utility model;

[0020] Figure 3 It is the fixed ring schematic view of the utility model;

[0021] Figure 4 It is the limiting plate schematic view of the utility model.

[0022] In the figure: 1, guardrail body; 2, fixed frame; 3, fixed ring; 4, limiting rod; 5, fixed rod; 6, moving ring; 7, contact plate; 8, bearing rod; 9, blocking ring; 10, fixed plate; 11, warning light; 12, support frame; 13, protective cover; 14, guide slot; 15, contact wheel; 16, toothed plate; 17, limiting plate; 18, worm wheel; 19, worm. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] As Figures 1-4 shown, the utility model provides a kind of technical scheme: a kind of highway anti-collision guardrail, including guardrail body 1, the left and right sides of guardrail body 1 rear end are all fixedly connected with fixed frame 2, fixed frame 2 rear end is fixedly connected with fixed ring 3 between, fixed ring 3 inner wall upper and lower ends are all fixedly connected with limiting rod 4, limiting rod 4 rear end is inserted with fixed rod 5 between, limiting rod 4 outer surface is slidably connected with moving ring 6 in the rear of fixed ring 3, fixed ring 3 and moving ring 6 are all set as circular arc shape, the shape setting of fixed ring 3 and moving ring 6 is convenient to adhere bearing rod 8, fixed ring 3 and moving ring 6 inner wall are all provided with anti-slip block, limiting rod 4 is internally provided with the insertion hole engaged with fixed rod 5, moving ring 6 is internally provided with the moving hole engaged with limiting rod 4, moving ring 6 rear side wall is fixedly connected with contact plate 7 near limiting rod 4 position, the setting of contact plate 7 is convenient for fixed ring 3 and moving ring 6 to fixed bearing rod 8.

[0025] The outer surface of the limiting rod 4 between the fixed ring 3 and the moving ring 6 is provided with a bearing rod 8, the outer wall of the bearing rod 8 is fixedly connected with a blocking ring 9 below the fixed ring 3, the bottom end of the bearing rod 8 is fixedly connected with a fixed plate 10, the bearing rod 8 is connected with the external preset point through the fixed plate 10, the hand-held protective fence body 1 moves, the protective fence body 1 drives the fixed frame 2 to move, the fixed frame 2 drives the fixed ring 3 to move, the fixed ring 3 drives the limiting rod 4 to insert into the bearing rod 8, the blocking ring 9 supports and limits the fixed ring 3, at the same time, the moving ring 6 is sleeved outside the limiting rod 4, the fixed rod 5 is inserted into the limiting rod 4, at this time, the moving ring 6 is limited on the limiting rod 4 under the action of the fixed rod 5, and the top of the bearing rod 8 is provided with a warning light 11.

[0026] The outer wall of the bearing rod 8 is provided with an anti-skid groove close to the positions of the fixed ring 3 and the moving ring 6, the inner part of the bearing rod 8 is provided with a through hole engaged with the limiting rod 4, the fixed plate 10 is connected with the external preset installation point, the inner part of the bearing rod 8 is provided with a power mechanism connected with the warning light 11, the side wall of the fixed ring 3 is fixedly connected with a support frame 12, the outer wall of the rear end of the support frame 12 is fixedly connected with a protective cover 13, the inner part of the rear side of the support frame 12 is provided with a guide groove 14, the rear end center position of the support frame 12 is rotatably connected with a contact wheel 15 in the inner part of the protective cover 13, and the protective cover 13 protects the inner mechanism.

[0027] The upper and lower ends of the contact wheel 15 are engaged with a toothed plate 16, the front end of the toothed plate 16 is fixedly connected with a limiting plate 17 in the inner part of the guide groove 14, the limiting plate 17 is provided with an inclined surface close to the position of the fixed rod 5, the front end side wall of the limiting plate 17 is located on the same horizontal plane as the rear side wall of the contact plate 7, the limiting plate 17 is provided in an "L" shape, the setting of the limiting plate 17 facilitates the movement of the limiting rod 4 through the fixed rod 5, the side wall of the limiting plate 17 is slidably connected with the inner wall of the guide groove 14 through the setting of a guide block, the rear end of the contact wheel 15 is fixedly connected with a worm gear 18, the right side of the worm gear 18 is engaged with a worm 19, the contact wheel 15 and the worm gear 18 are connected through a rotating rod, the side wall of the support frame 12 is rotatably connected with the rotating rod through the setting of an extension frame, the upper and lower ends of the worm 19 are rotatably connected with the extension frame, the rotation of the worm 19 drives the rotation of the worm gear 18, the worm gear 18 drives the toothed plate 16 to move through the contact wheel 15, the toothed plate 16 drives the limiting plate 17 to move towards each other, the limiting plate 17 is inserted between the fixed rod 5 and the contact plate 7, the limiting plate 17 drives the limiting rod 4 to move through the fixed rod 5, the fixed ring 3 and the moving ring 6 clamp the bearing rod 8, so as to realize installation.

[0028] Working principle: the highway crash barrier in use, the load rod 8 through the fixed plate 10 and external preset point connection, handheld guardrail body 1 moves, guardrail body 1 drive fixed frame 2 moves, fixed frame 2 drive fixed ring 3 moves, fixed ring 3 drive limit rod 4 insert into the load rod 8, baffle ring 9 to fixed ring 3 support limit, at the same time will move ring 6 sleeve in limit rod 4 outside, will fixed rod 5 insert into limit rod 4, at this moment move ring 6 in fixed rod 5 under the action of limit in limit rod 4, rotate the worm 19 drive worm wheel 18 rotation, worm wheel 18 through the contact wheel 15 drive toothed plate 16 moves, toothed plate 16 drive limit plate 17 move towards each other, limit plate 17 insert between fixed rod 5 and contact plate 7, limit plate 17 through fixed rod 5 drive limit rod 4 moves, fixed ring 3 and move ring 6 to load rod 8 clamping, thus realize installation.

Claims

1. A crash barrier for a highway comprising a barrier body (1), characterised in that: The guardrail body (1) rear end left and right sides are fixedly connected with fixed frame (2), the fixed frame (2) rear end is fixedly connected with fixed ring (3), the fixed ring (3) inner wall upper and lower ends are fixedly connected with limit rod (4), the limit rod (4) rear end is inserted with fixed rod (5), the limit rod (4) outer surface is slidably connected with moving ring (6) behind the fixed ring (3), the moving ring (6) rear side wall is fixedly connected with contact plate (7) near the limit rod (4) position, the fixed ring (3) and the moving ring (6) between the limit rod (4) outer surface are provided with bearing rod (8), the bearing rod (8) outer wall is fixedly connected with the blocking ring (9) below the fixed ring (3), the bearing rod (8) bottom end is fixedly connected with fixed plate (10), the bearing rod (8) top is provided with warning light (11), the fixed ring (3) side wall is fixedly connected with support frame (12), the support frame (12) rear end outer wall is fixedly connected with protective cover (13), the support frame (12) rear side is provided with guide groove (14), the support frame (12) rear end center position is rotatably connected with contact wheel (15) inside the protective cover (13), the contact wheel (15) upper and lower ends are engaged with toothed plate (16), the toothed plate (16) front end is fixedly connected with limit plate (17) inside the guide groove (14), the contact wheel (15) rear end is fixedly connected with worm gear (18), the worm gear (18) right side is engaged with worm (19).

2. A crash barrier according to claim 1, wherein: The fixed ring (3) and the moving ring (6) are both arranged in a circular arc shape, and the inner walls of the fixed ring (3) and the moving ring (6) are provided with anti-skid blocks.

3. A crash barrier according to claim 1, wherein: The limit rod (4) is internally provided with a plug hole engaged with the fixed rod (5), and the moving ring (6) is internally provided with a moving hole engaged with the limit rod (4).

4. A crash barrier according to claim 1, wherein: The outer wall of the bearing rod (8) is provided with an anti-skid groove near the fixed ring (3) and the moving ring (6), the bearing rod (8) is internally provided with a through hole engaged with the limit rod (4), the fixed plate (10) is connected with an external pre-installed point, and the bearing rod (8) is internally provided with a power mechanism connected with the warning light (11).

5. A crash barrier according to claim 1, wherein: The contact wheel (15) and the worm gear (18) are connected through a rotating rod, the side wall of the support frame (12) is rotatably connected with the rotating rod through a setting extension frame, and the upper and lower ends of the worm (19) are rotatably connected with the extension frame.

6. A crash barrier according to claim 1, wherein: The limit plate (17) is provided with an inclined surface near the fixed rod (5), and the side wall of the limit plate (17) is slidably connected with the inner wall of the guide groove (14) through a setting guide block.

7. A crash barrier according to claim 1, wherein: The front end side wall of the limit plate (17) and the rear side wall of the contact plate (7) are located on the same horizontal plane, and the limit plate (17) is arranged in an "L" shape.

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