CN220977812U - Low deflection protective guard - Google Patents

Abstract

The utility model discloses a low-deformation protective fence, in particular to the technical field of protective fences, which comprises the following components: the guardrail comprises two guardrail main bodies, wherein each guardrail main body comprises a plurality of first upright posts which are vertically arranged at two ends, a plurality of second upright posts are vertically arranged in the middle of the plurality of first upright posts at two ends, a waveform guard plate is horizontally arranged at one side upper ends of the plurality of first upright posts and the second upright posts, a reinforcing mechanism for reinforcing the rigidity of the second upright posts is arranged at one side of the plurality of second upright posts, a friction beam for reducing the maximum dynamic camber equivalent value of a vehicle is arranged above the guardrail main bodies, and the technical effects and advantages of the guardrail are that: the reinforcing mechanism is arranged to facilitate increasing the sectional area of the maximum bending moment point of the second upright post in the core area, the rigidity of the second upright post is increased to reduce the deformation of the guardrail, and the deformation of the guardrail is further reduced by encrypting the second upright post; the height of the whole structure of the guardrail is increased by arranging the friction beam, so that the maximum dynamic camber equivalent value of the vehicle is reduced, and the application range of the guardrail is improved.

Description

Low deflection protective guard

Technical Field

The utility model relates to the technical field of protective guardrails, in particular to a low-deformation protective guardrail.

Background

Along with the rapid development of expressway construction, the number of bridges which are spanned on the expressway is increased, more bridge piers inevitably exist in the central dividing strip of the expressway, severe casualties and bridge damage are often caused when passing through malignant accidents of vehicles striking the bridge piers; in 2019, china comprehensively promotes the electronic toll collection technology, and the highway provincial boundaries toll station is comprehensively canceled, so that a large number of ETC (electronic toll collection) portals are added, and portal stand columns in the central dividing strip become new barriers.

Because the width of the central separation zone of the expressway is limited, the deformation of the existing protective guard and the maximum dynamic camber equivalent value of the vehicle are large, the obstacles such as bridge piers, gate frame posts and the like cannot be effectively protected, and the high requirements on the applicability of the low-variable guard bar are provided due to the complex facilities and topography in the central separation zone of the expressway.

Disclosure of utility model

In order to overcome the above-mentioned drawbacks of the prior art, embodiments of the present utility model provide a protective barrier with low deformation, so as to solve the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: comprising the following steps: the guardrail comprises two guardrail bodies, wherein each guardrail body comprises a plurality of first upright posts arranged vertically at two ends, a plurality of second upright posts are arranged vertically in the middle of each first upright post, a plurality of waveform guard plates are horizontally arranged at one side upper ends of the first upright posts and the second upright posts, a plurality of reinforcing mechanisms for reinforcing rigidity of the second upright posts are arranged at one side of each second upright post, and a friction beam for reducing the maximum dynamic camber equivalent value of a vehicle is arranged above each guardrail body.

In a preferred embodiment, two barrier is installed in the middle of the guardrail main body, the strengthening mechanism is including locating the reinforcing block that No. two stands are close to barrier one side, a plurality of reinforcing block one side respectively with No. two stand lateral walls fixed connection that correspond, wave form backplate one side bolt respectively with No. one stand and No. two stand fixed connection that correspond.

In a preferred embodiment, a plurality of the second columns are arranged in an encrypted manner, and the distance between the adjacent second columns is 0.5 meter.

In a preferred embodiment, a concrete foundation is arranged around the obstacle, and a plurality of second upright posts and reinforcing blocks are fixedly connected with the concrete foundation.

In a preferred embodiment, the friction beam comprises a first beam and a second beam which are horizontally arranged, the first beam and the second beam are located above the waveform guard plate, the first beam is located above the second beam, and one side of the first beam and one side of the second beam are fixedly connected with a plurality of first stand columns and side walls of the second stand columns.

In a preferred embodiment, the special-shaped upper beams are fixedly connected to two ends of the first beam, the special-shaped upper beams are fixedly connected with the tops of the second beams away from one end of the first beam, the special-shaped lower beams are fixedly connected to two ends of the second beam, the special-shaped lower beams are fixedly connected with the tops of the waveform guard plates at one ends of the second beam, and the special-shaped upper beams and the side walls of the special-shaped lower beams are fixedly connected with the corresponding first stand columns or the corresponding second stand column respectively.

The utility model has the technical effects and advantages that:

1. The reinforcing mechanism is arranged to facilitate increasing the sectional area of the maximum bending moment point of the second upright post in the core area, the rigidity of the second upright post is increased to reduce the deformation of the guardrail, and the deformation of the guardrail is further reduced by encrypting the second upright post;

2. The height of the whole structure of the guardrail is increased by arranging the friction beam, so that the maximum dynamic camber equivalent value of the vehicle is reduced, and the application range of the guardrail is improved.

Drawings

Fig. 1 is a schematic diagram of the front structure of the present utility model.

Fig. 2 is a schematic side sectional view of the present utility model.

FIG. 3 is a schematic view of the connection structure of the corrugated board of the present utility model.

The reference numerals are: 1. a guardrail main body; 2. a first upright post; 3. a second upright post; 4. a reinforcing mechanism; 5. a wave-shaped guard board; 6. a friction beam; 7. a reinforcing block; 8. an obstacle; 9. a concrete foundation; 10. a first cross beam; 11. a second cross beam; 12. a special-shaped lower cross beam; 13. and a special-shaped upper cross beam.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

A low deflection guard rail as shown in figures 1-3, comprising: two guardrail main parts 1, guardrail main part 1 is including being located a plurality of stand 2 that the both ends set up vertically, and a plurality of stand 3 are located in the middle of a plurality of stand 2 at both ends vertically, and wave form backplate 5 level is located a plurality of stand 2 and stand 3 one side upper ends No. two, and a plurality of stand 3 one sides are equipped with the strengthening mechanism 4 that is used for reinforcing stand 3 rigidity No. two, and guardrail main part 1 top is equipped with the friction beam 6 that is used for reducing the biggest dynamic camber equivalent value of vehicle.

The barrier 8 is installed in the middle of two guardrail main bodies 1, and strengthening mechanism 4 is including locating the reinforcing block 7 that No. two stand 3 are close to barrier 8 one side, and a plurality of reinforcing blocks 7 one sides respectively with No. two stand 3 lateral wall fixed connection that correspond, wave form backplate 5 one side bolt respectively with No. one stand 2 and No. two stand 3 fixed connection that correspond.

The plurality of second upright posts 3 are arranged in an encrypted mode, and the distance between every two adjacent second upright posts 3 is 0.5 meter.

The concrete foundation 9 is arranged around the barrier 8, and the second upright posts 3 and the reinforcing blocks 7 are fixedly connected with the concrete foundation 9.

The implementation mode specifically comprises the following steps: the cross section of the maximum bending moment point of the second upright post 3 in the core area is conveniently increased by the aid of the reinforcing mechanism 4, the rigidity of the second upright post 3 is increased to reduce the deformation of the guardrail, and the deformation of the guardrail is further reduced by means of encryption of the second upright post 3.

The friction beam 6 comprises a first beam 10 and a second beam 11 which are horizontally arranged, the first beam 10 and the second beam 11 are positioned above the waveform guard plate 5, the first beam 10 is positioned above the second beam 11, and one side of the first beam 10 and one side of the second beam 11 are fixedly connected with the side walls of the first upright post 2 and the second upright post 3.

Two special-shaped entablature 13 fixed connection are in crossbeam 10 both ends No. one, and two special-shaped entablature 13 keep away from crossbeam 10 one end all with No. two crossbeam 11 top fixed connection, and two special-shaped entablature 12 fixed connection are in No. two crossbeam 11 both ends, and two special-shaped entablature 12 keep away from crossbeam 11 one end all with wave form backplate 5 top fixed connection, special-shaped entablature 13 and special-shaped entablature 12 lateral wall respectively with corresponding stand 2 or stand 3 lateral wall fixed connection.

The implementation mode specifically comprises the following steps: the height of the whole structure of the guardrail is increased by arranging the friction beam 6 so as to reduce the maximum dynamic camber equivalent value of the vehicle and improve the application range of the guardrail.

The working principle of the utility model is as follows: when the guardrail main body 1 is used, the foundation strength of the second upright post 3 is conveniently increased through the concrete foundation 9 arranged within the range of nine meters around the barrier 8, meanwhile, the space between the second upright posts 3 is controlled to be five meters at zero point through the encryption arrangement of the second upright post 3, and the maximum bending moment point cross section area of the second upright post 3 is increased by matching with the reinforcing block 7, so that the rigidity of the second upright post 3 is increased, the setting of an upright post anti-blocking block is canceled, and the deformation of the guardrail main body 1 is reduced; the friction beam 6 arranged on the top of the guardrail main body 1 is convenient for increasing the overall structural height of the guardrail main body 1 so as to reduce the maximum dynamic camber equivalent value of the vehicle.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

Secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

Finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims (6)

1. A low deflection protective barrier comprising: two guardrail main parts (1), its characterized in that: the guardrail main body (1) is including being located a plurality of stand (2) that the both ends are vertical to be set up, a plurality of at both ends stand (2) middle vertical a plurality of stand (3) No. two, a plurality of stand (2) and stand (3) No. two one side upper end levels are equipped with wave form backplate (5), a plurality of stand (3) No. two one sides are equipped with strengthening mechanism (4) that are used for reinforcing stand (3) rigidity No. two, guardrail main body (1) top is equipped with friction beam (6) that are used for reducing the biggest dynamic camber equivalent value of vehicle.

2. A low deflection guard rail according to claim 1, wherein: two install barrier (8) in the middle of guardrail main part (1), strengthening mechanism (4) are including locating No. two stand (3) and be close to reinforcing block (7) of barrier (8) one side, a plurality of reinforcing block (7) one side respectively with No. two stand (3) lateral wall fixed connection that correspond, wave form backplate (5) one side bolt respectively with No. one stand (2) and No. two stand (3) fixed connection that correspond.

3. A low deflection guard rail according to claim 1, wherein: the second upright posts (3) are arranged in an encrypted mode, and the distance between every two adjacent upright posts (3) is 0.5 meter.

4. A low deflection guard rail according to claim 2, wherein: the periphery of the barrier (8) is provided with a concrete foundation (9), and a plurality of second stand columns (3) and reinforcing blocks (7) are fixedly connected with the concrete foundation (9).

5. A low deflection guard rail according to claim 1, wherein: the friction beam (6) comprises a first cross beam (10) and a second cross beam (11) which are horizontally arranged, the first cross beam (10) and the second cross beam (11) are located above the waveform guard board (5), the first cross beam (10) is located above the second cross beam (11), and one sides of the first cross beam (10) and the second cross beam (11) are fixedly connected with side walls of a plurality of first stand columns (2) and second stand columns (3).

6. The low deflection guard rail of claim 5 wherein: the utility model discloses a special-shaped upper beam (13) is kept away from in equal fixedly connected with in crossbeam (10) both ends, crossbeam (10) one end and No. two crossbeam (11) top fixed connection are kept away from to special-shaped upper beam (13), no. two crossbeam (11) both ends equal fixedly connected with special-shaped lower beam (12), crossbeam (11) one end all with wave form backplate (5) top fixed connection are kept away from to special-shaped lower beam (12), special-shaped upper beam (13) and special-shaped lower beam (12) lateral wall respectively with a stand (2) or No. two stand (3) lateral wall fixed connection that correspond.