Beam guardrail end convenient to disassemble and assemble for expressway

Abstract

The utility model discloses an expressway beam guardrail end convenient to disassemble and assemble, which comprises an end body, a sleeve head is arranged at one end of the end body and used for being connected with the guardrail end, an energy absorption barrel is arranged on the inner side of the end body, the end wraps the outer side face of the energy absorption barrel, the energy absorption barrel is detachably connected with the end body, and the end body is connected with the end body. A sealing cover is arranged at an opening in the top end of the energy absorption barrel, a supporting spring is connected to the bottom end of the energy absorption barrel, and the bottom end of the supporting spring is fixed to the road surface. The end body is arranged on the guardrail in a sleeving mode, the structure facilitates disassembly, assembly and replacement of the end body, meanwhile, the energy absorption barrel is arranged in the end body, water or sand can be contained in the energy absorption barrel so that energy absorption and buffering can be conveniently conducted after a vehicle collides with the end body, and meanwhile the bottom of the energy absorption barrel is connected with the supporting spring. The supporting springs can exert certain pulling force on the energy absorption barrel when the energy absorption barrel is impacted, and it is guaranteed that the energy absorption barrel can better buffer the vehicle impacting the end.

Description

Technical Field

[0001] The utility model relates to the technical field of guardrails, in particular to an end head of a beam guardrail for a highway which is easy to assemble and disassemble. Background Art

[0002] Guardrails are installed on both sides of highways. They have multiple functions such as protection, warning, and barrier. In order to avoid the problem of the guardrail being inserted into the car when a vehicle hits the end of the guardrail, end caps are often installed at the end of the guardrail.

[0003] Chinese patent number CN202321723580.8 discloses an upstream end guardrail for use in the field of traffic safety facilities. It includes an energy dissipation plate, a front end corrugated plate, a rear end corrugated plate, a support column, a front end support column, a rear end support column, and a guardrail base. The energy dissipation plate is connected to the support column, which is slidably mounted on the guardrail base; the energy dissipation plate is connected to the front end corrugated plate, and the front end support column and the front end corrugated plate are correspondingly arranged; multiple rear end corrugated plates and rear end support columns are provided, and the rear end support columns and the rear end corrugated plates are correspondingly arranged; the front end corrugated plate and the adjacent rear end corrugated plate are slidably connected, and adjacent rear end corrugated plates are also slidably connected; the front end corrugated plate and the adjacent rear end corrugated plate are connected to the front end support column, and the front end support column is slidably mounted on the guardrail base; adjacent rear end corrugated plates are connected to corresponding rear end support columns, and the rear end support columns are slidably mounted on the guardrail base. The upstream end guardrail of this solution can dissipate energy after being hit by a vehicle, thereby protecting the vehicle and the driver.

[0004] The end of the guardrail provided by the above patent does not have an energy-absorbing structure. When a vehicle hits the end of the guardrail, the end will collapse instantly, thereby failing to effectively buffer the impact force of the vehicle. Utility Model Content

[0005] The purpose of the utility model is to provide a highway beam guardrail end that is easy to disassemble and assemble, aiming to improve the problem that the existing guardrail end does not have an energy-absorbing structure, resulting in the end collapsing instantly after a vehicle hits the guardrail end, and is unable to effectively buffer the impact force of the vehicle.

[0006] The utility model is achieved in this way:

[0007] A highway beam guardrail end cap that is easy to disassemble and assemble comprises an end cap body, one end of the end cap body being provided with a sleeve for connecting to the end of the guardrail, an energy absorbing bucket being provided on the inner side of the end cap body, the end cap being wrapped around the outer side of the energy absorbing bucket, the energy absorbing bucket being detachably connected to the end cap body, a sealing cover being provided at the top opening of the energy absorbing bucket, a support spring being connected to the bottom end of the energy absorbing bucket, and the bottom end of the support spring being fixed to the road surface.

[0008] Preferably, the end head body is provided with a plurality of connection holes for installing the energy absorbing bucket; a sleeve hole is provided in the middle of the sleeve, and a plurality of top screws are provided on the top and bottom of the inner side of the sleeve.

[0009] Preferably, connecting edges are symmetrically provided on both sides of the energy absorbing barrel, a plurality of bolt holes are provided on the connecting edges, and the bolt holes are aligned with the connecting holes; a loading hole is provided on the top of the energy absorbing barrel.

[0010] Preferably, a threaded connecting plate is provided at the bottom end of the cover, the threaded connecting plate is threadedly connected to the charging hole, and a screw head is provided at the top end of the cover.

[0011] Preferably, a connecting plate is provided at the top of the support spring, a plurality of fixing holes are provided at the edge of the connecting plate, the connecting plate and the energy absorption barrel are connected by bolts, and a bottom plate is provided at the bottom end of the support spring, a plurality of bottom holes are evenly provided at the edge of the bottom plate, and a reinforcing plate is provided between the bottom plate and the support spring.

[0012] Preferably, the rear end of the end body is connected to an oblique support rod, and the front end of the oblique support rod is fixed to the sleeve by bolts.

[0013] Preferably, a clamp is provided at the rear end of the diagonal support rod, and a bayonet is provided on the side of the clamp facing the end body, the bayonet is engaged on the end body, and the side of the clamp is aligned with the position of the bayonet to tighten the bolt, and a connecting foot is provided at the front end of the diagonal support rod, and a mounting hole is provided on the connecting foot, and the mounting hole cooperates with the bolt to fix the front end of the diagonal support rod on the sleeve.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. The end body of the utility model is sleeved on the guardrail. This structure facilitates the disassembly, assembly and replacement of the end body. At the same time, an energy-absorbing bucket is provided inside the end body. Water or sand can be filled inside the energy-absorbing bucket to absorb energy and buffer after the vehicle hits the end body. At the same time, a support spring is connected to the bottom of the energy-absorbing bucket. The support spring can exert a certain pulling force on the energy-absorbing bucket when it is hit, thereby ensuring that the energy-absorbing bucket can better buffer the vehicle that hits the end.

[0016] 2. The rear end of the end body of the utility model is provided with an oblique support rod, which can play a certain role in buffering and absorbing energy when the end is hit, thereby reducing the damage to the vehicle and protecting the vehicle and passengers to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic structural diagram of the utility model as a whole;

[0018] Figure 2 It is a structural diagram of the terminal body of the utility model;

[0019] Figure 3 It is a structural diagram of the energy-absorbing barrel of the utility model;

[0020] Figure 4 It is a structural diagram of the sealing cover of the utility model;

[0021] Figure 5 This is a schematic structural diagram of the support spring of the utility model;

[0022] Figure 6 It is a structural diagram of the oblique bracing rod of the utility model.

[0023] In the figure: 1. End body; 11. Connecting hole; 12. Socket head; 13. Socket hole; 14. Top screw; 2. Energy absorbing barrel; 21. Connecting edge; 22. Bolt hole; 23. Loading hole; 3. Cover; 31. Screw head; 32. Threaded connecting plate; 4. Support spring; 41. Connecting plate; 42. Fixing hole; 43. Bottom plate; 44. Bottom hole; 45. Reinforcement plate; 5. Diagonal support rod; 51. Clamp; 52. Bayonet; 53. Tightening bolt; 54. Connecting foot; 55. Mounting hole. DETAILED DESCRIPTION

[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 following is a further description with reference to the accompanying drawings and specific embodiments:

[0026] Example 1

[0027] like Figure 1 and Figure 2As shown, a highway beam guardrail end that is easy to disassemble and assemble includes an end body 1, which is used to be installed at the end of the guardrail. A sleeve 12 is provided at one end of the end body 1 for connecting to the end of the guardrail, facilitating the disassembly and use of the end body 1. An energy-absorbing bucket 2 is provided on the inner side of the end body 1, and the end head is wrapped around the outer side of the energy-absorbing bucket 2. The energy-absorbing bucket 2 and the end body 1 are detachably connected. The energy-absorbing bucket 2 is used to be filled with water or sand for energy absorption, which is convenient for energy absorption when a vehicle hits the end body 1. A sealing cover 3 is provided at the top opening of the energy-absorbing bucket 2, and the sealing cover 3 is convenient for sealing the top opening of the energy-absorbing bucket 2. A support spring 4 is connected to the bottom end of the energy-absorbing bucket 2, and the bottom end of the support spring 4 is fixed to the road surface. The support spring 4 is used to support the energy-absorbing bucket 2 and enhance the energy absorption effect of the energy-absorbing bucket 2 through the tension and elastic force of the support spring 4.

[0028] like Figure 2 As shown, the end body 1 is provided with a plurality of connecting holes 11 for the installation of the energy absorbing bucket 2; a sleeve hole 13 is provided in the middle of the sleeve 12, and a plurality of top screws 14 are provided at the top and bottom of the inner side of the sleeve 12; the cooperation between the sleeve hole 13 and the top screw 14 is convenient for connecting the sleeve 12 with the end of the guardrail, and convenient for the disassembly and use of the end body 1.

[0029] like Figure 3 As shown, the energy absorbing bucket 2 has symmetrical connecting edges 21 on both sides. The connecting edges 21 are provided with multiple bolt holes 22, which are aligned with the connecting holes 11. The connection edges 21 and the bolt holes 22 cooperate to facilitate the fixing of the energy absorbing bucket 2 to the end body 1 via bolts. The top of the energy absorbing bucket 2 is provided with a loading hole 23, which is convenient for filling the interior of the energy absorbing bucket 2 with water or sand.

[0030] like Figure 4 As shown, a threaded connecting plate 32 is provided at the bottom end of the cover 3, and the threaded connecting plate 32 is threadedly connected to the charging hole 23, and a screw head 31 is provided at the top end of the cover 3, which is convenient for screwing the cover 3 and facilitating the disassembly and use of the cover 3.

[0031] like Figure 5 As shown, a connecting plate 41 is provided at the top of the support spring 4, with multiple fixing holes 42 defined along its edge. The connecting plate 41 is bolted to the energy absorbing bucket 2, facilitating flexible assembly and disassembly of the support spring 4 and the energy absorbing bucket 2. Furthermore, a bottom plate 43 is provided at the bottom of the support spring 4, with multiple bottom holes 44 evenly distributed along its edge. A reinforcing plate 45 is provided between the bottom plate 43 and the support spring 4. The combination of the bottom plate 43 and the bottom holes 44 facilitates bolting the bottom end of the bottom support spring 4 to the road surface.

[0032] Working principle: When in use, the end body 1 is fixed to the end of the guardrail according to the use requirements, and the energy absorption bucket 2 is installed inside the end body 1 by bolts, and an appropriate amount of water or sand is filled in the energy absorption bucket 2, and the support spring 4 is used to connect it to the bottom end of the energy absorption bucket 2, and the bottom end of the support spring 4 is fixed to the road surface; when a vehicle hits the end body 1, the energy absorption bucket 2 can buffer and absorb energy of the vehicle; compared with the prior art, the end body 1 of the present application is sleeved on the guardrail, and this structure facilitates the disassembly, assembly and replacement of the end body 1, and at the same time, an energy absorption bucket 2 is provided inside the end body 1, and water or sand can be filled inside the energy absorption bucket 2, so as to absorb energy and buffer after the vehicle hits the end body 1, and at the same time, a support spring 4 is connected to the bottom of the energy absorption bucket 2, and the support spring 4 can exert a certain pulling force on the energy absorption bucket 2 when the energy absorption bucket 2 is hit, thereby ensuring that the energy absorption bucket 2 can better buffer the vehicle hitting the end.

[0033] Example 2

[0034] like Figure 1 and Figure 2 As shown, a highway beam guardrail end that is easy to disassemble and assemble includes an end body 1, which is used to be installed at the end of the guardrail. A sleeve 12 is provided at one end of the end body 1 for connecting to the end of the guardrail, facilitating the disassembly and use of the end body 1. An energy-absorbing bucket 2 is provided on the inner side of the end body 1, and the end head is wrapped around the outer side of the energy-absorbing bucket 2. The energy-absorbing bucket 2 and the end body 1 are detachably connected. The energy-absorbing bucket 2 is used to be filled with water or sand for energy absorption, which is convenient for energy absorption when a vehicle hits the end body 1. A sealing cover 3 is provided at the top opening of the energy-absorbing bucket 2, and the sealing cover 3 is convenient for sealing the top opening of the energy-absorbing bucket 2. A support spring 4 is connected to the bottom end of the energy-absorbing bucket 2, and the bottom end of the support spring 4 is fixed to the road surface. The support spring 4 is used to support the energy-absorbing bucket 2 and enhance the energy absorption effect of the energy-absorbing bucket 2 through the tension and elastic force of the support spring 4.

[0035] like Figure 2 As shown, the end body 1 is provided with a plurality of connecting holes 11 for the installation of the energy absorbing bucket 2; a sleeve hole 13 is provided in the middle of the sleeve 12, and a plurality of top screws 14 are provided at the top and bottom of the inner side of the sleeve 12; the cooperation between the sleeve hole 13 and the top screw 14 is convenient for connecting the sleeve 12 with the end of the guardrail, and convenient for the disassembly and use of the end body 1.

[0036] like Figure 3 As shown, the energy absorbing bucket 2 has symmetrical connecting edges 21 on both sides. The connecting edges 21 are provided with multiple bolt holes 22, which are aligned with the connecting holes 11. The connection edges 21 and the bolt holes 22 cooperate to facilitate the fixing of the energy absorbing bucket 2 to the end body 1 via bolts. The top of the energy absorbing bucket 2 is provided with a loading hole 23, which is convenient for filling the interior of the energy absorbing bucket 2 with water or sand.

[0037] like Figure 4As shown, a threaded connecting plate 32 is provided at the bottom end of the cover 3, and the threaded connecting plate 32 is threadedly connected to the charging hole 23, and a screw head 31 is provided at the top end of the cover 3, which is convenient for screwing the cover 3 and facilitating the disassembly and use of the cover 3.

[0038] like Figure 5 As shown, a connecting plate 41 is provided at the top of the support spring 4, with multiple fixing holes 42 defined along its edge. The connecting plate 41 is bolted to the energy absorbing bucket 2, facilitating flexible assembly and disassembly of the support spring 4 and the energy absorbing bucket 2. Furthermore, a bottom plate 43 is provided at the bottom of the support spring 4, with multiple bottom holes 44 evenly distributed along its edge. A reinforcing plate 45 is provided between the bottom plate 43 and the support spring 4. The combination of the bottom plate 43 and the bottom holes 44 facilitates bolting the bottom end of the bottom support spring 4 to the road surface.

[0039] like Figure 1 As shown, the rear end of the end body 1 is connected to the diagonal support rod 5, and the front end of the diagonal support rod 5 is fixed to the sleeve 12 by bolts; this structure facilitates the support of the end body 1 and improves the energy absorption effect of the end body 1.

[0040] like Figure 6 As shown, the rear end of the diagonal brace 5 is provided with a clamp 51. The side of the clamp 51 facing the endpiece body 1 is provided with a bayonet 52. Bayonet 52 engages with the endpiece body 1. The combination of the clamp 51 and bayonet 52 facilitates the engagement with the endpiece body 1. The side of the clamp 51 is aligned with the bayonet 52 to tighten a bolt 53. This tightening bolt 53 ensures a stable connection between the rear end of the diagonal brace 5 and the endpiece body 1. The front end of the diagonal brace 5 is provided with a connecting foot 54, which is provided with a mounting hole 55. Mounting holes 55 cooperate with bolts to secure the front end of the diagonal brace 5 to the sleeve 12.

[0041] The above is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of protection of the present invention.

Claims

1. A highway guardrail end cap that is easy to assemble and disassemble, comprising an end cap body (1), characterized in that: One end of the end head body (1) is provided with a sleeve (12) for connecting to the end of the guardrail, an energy absorbing bucket (2) is provided on the inner side of the end head body (1), and the end head is wrapped around the outer side of the energy absorbing bucket (2), and the energy absorbing bucket (2) and the end head body (1) are detachably connected, a cover (3) is provided at the top opening of the energy absorbing bucket (2), and a support spring (4) is connected to the bottom end of the energy absorbing bucket (2), and the bottom end of the support spring (4) is fixed on the road surface.

2. The highway guardrail end that is easy to disassemble and assemble according to claim 1 is characterized in that: The end head body (1) is provided with a plurality of connection holes (11) for installing the energy absorbing bucket (2); a sleeve hole (13) is provided in the middle of the sleeve (12), and a plurality of top screws (14) are provided at the top and bottom of the inner side of the sleeve (12).

3. The highway guardrail end that is easy to disassemble and assemble according to claim 2 is characterized in that: The energy absorbing barrel (2) is symmetrically provided with connecting edges (21) on both sides, and a plurality of bolt holes (22) are provided on the connecting edges (21), and the bolt holes (22) are aligned with the connecting holes (11); and a loading hole (23) is provided at the top end of the energy absorbing barrel (2).

4. The highway guardrail end that is easy to disassemble and assemble according to claim 3 is characterized in that: The bottom end of the sealing cover (3) is provided with a threaded connecting plate (32), the threaded connecting plate (32) is threadedly connected to the charging hole (23), and the top end of the sealing cover (3) is provided with a screw head (31).

5. The highway guardrail end that is easy to disassemble and assemble according to claim 1 is characterized in that: The top end of the support spring (4) is provided with a connecting plate (41), the edge of the connecting plate (41) is provided with a plurality of fixing holes (42), the connecting plate (41) is connected to the energy absorbing barrel (2) by bolts, and the bottom end of the support spring (4) is provided with a bottom plate (43), the edge of the bottom plate (43) is evenly provided with a plurality of bottom holes (44), and a reinforcing plate (45) is provided between the bottom plate (43) and the support spring (4).

6. A highway guardrail end cap that is easy to assemble and disassemble according to any one of claims 1 to 5, characterized in that: The rear end of the end head body (1) is connected to an oblique support rod (5), and the front end of the oblique support rod (5) is fixed to the sleeve (12) by means of bolts.

7. The highway guardrail end that is easy to disassemble and assemble according to claim 6 is characterized in that: The rear end of the diagonal support rod (5) is provided with a clamping head (51), and a side of the clamping head (51) facing the end body (1) is provided with a bayonet (52), the bayonet (52) is engaged with the end body (1), and the side of the clamping head (51) is aligned with the position of the bayonet (52) to tighten the bolt (53), and the front end of the diagonal support rod (5) is provided with a connecting foot (54), and the connecting foot (54) is provided with a mounting hole (55), and the mounting hole (55) cooperates with the bolt to fix the front end of the diagonal support rod (5) on the sleeve (12).

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