CN215977029U

CN215977029U - High-strength highway central guardrail

Info

Publication number: CN215977029U
Application number: CN202122438004.6U
Authority: CN
Inventors: 刘艳茹; 晏志良; 景海玲; 周志永; 苏浩; 黄泽浪; 李俊玲; 王忠义
Original assignee: MCC Capital Engineering and Research Incorporation Ltd
Current assignee: MCC Capital Engineering and Research Incorporation Ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-03-08
Anticipated expiration: 2031-10-11

Abstract

The utility model discloses a high-strength highway central guardrail, which relates to the technical field of highway protection equipment and comprises a base, a guard plate and a buffer mechanism; the base includes: the buffer mechanism comprises a bottom plate and a vertical plate detachably connected to the bottom plate, wherein the vertical plate is provided with a mounting opening for mounting the buffer mechanism; the buffer mechanism includes: a sleeve, a cylinder and a first buffer member; one end, close to the cylinder, of the sleeve is arranged in the mounting opening in a penetrating mode, part of the cylinder is arranged in the sleeve in a penetrating mode, the longitudinal extension direction of the cylinder is consistent with that of the sleeve, and the cylinder can move along the longitudinal extension direction relative to the sleeve to form a mounting body used for mounting the first buffer piece; the first buffer piece is sleeved on the mounting body, and two ends of the first buffer piece are abutted against the vertical plate and the guard plate. The application provides a high strength highway central guardrail can improve the impact strength of guardrail when using.

Description

High-strength highway central guardrail

Technical Field

The utility model relates to the technical field of highway protection equipment, in particular to a high-strength highway central guardrail.

Background

The guardrail is mainly used for protecting and protecting personal safety and equipment facilities in occasions such as houses, roads, commercial districts, public places and the like. The guardrail for the highway is a main form of a semi-rigid guardrail and is a continuous structure formed by splicing corrugated steel guardrail plates and supporting the corrugated steel guardrail plates by main columns. When the vehicle collides with the guardrail, the guardrail can absorb energy, is not easy to be damaged by collision, and can well protect the vehicle and drivers and passengers.

But the general highway center guard rail has a low impact resistance when in use. Because the overall strength of the highway central guardrail is not high, the received impact can not be buffered, and the damage degree of vehicles when accidents occur is increased.

For this reason, it is necessary to provide a high-strength highway center guard rail to solve these problems.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above defects in the prior art, embodiments of the present invention provide a high-strength highway central guardrail, which can improve the impact strength of the guardrail during use, and avoid the serious damage of vehicles caused by hard contact when the vehicles collide with the device.

The specific technical scheme of the embodiment of the utility model is as follows:

a high strength highway center fence comprising: the device comprises a base, a guard plate and a buffer mechanism;

the base includes: the buffer mechanism comprises a bottom plate and a vertical plate detachably connected to the bottom plate, wherein the vertical plate is provided with a mounting opening for mounting the buffer mechanism;

the buffer mechanism includes: a sleeve, a cylinder and a first buffer member; one end, close to the cylinder, of the sleeve is arranged in the mounting opening in a penetrating mode, part of the cylinder is arranged in the sleeve in a penetrating mode, the longitudinal extension direction of the cylinder is consistent with that of the sleeve, and the cylinder can move along the longitudinal extension direction relative to the sleeve to form a mounting body used for mounting the first buffer piece; the first buffer piece is sleeved on the mounting body, and two ends of the first buffer piece are abutted against the vertical plate and the guard plate.

In a preferred embodiment, the cylinder is a cylinder with a circular cross section, and the sleeve is a cylinder body provided with a cylindrical hole; the buffer mechanism further includes: the first limiting piece is arranged on the inner wall of the mounting opening and used for limiting the circumferential rotation of the sleeve; the second limiting part is arranged on the inner wall of the sleeve and used for limiting the circumferential rotation of the cylinder.

In a preferred embodiment, the first stopper includes: at least one sliding block arranged along the circumferential direction of the mounting opening; the second stopper includes: at least one projection provided along a circumferential direction of the sleeve.

In a preferred embodiment, the number of the sliding blocks is multiple, and the sliding blocks are uniformly arranged at intervals along the circumferential direction of the mounting opening; the number of the convex blocks is multiple, and the convex blocks are uniformly distributed at intervals along the circumferential direction of the sleeve.

In a preferred embodiment, the cylinder is a cylinder with a non-circular cross section, and the sleeve is a cylinder provided with an opening matched with the outer contour of the cylinder.

In a preferred embodiment, the buffering mechanism further includes a third limiting member, and the third limiting member is disposed on the vertical plate and at an end of the mounting opening away from the sleeve.

In a preferred embodiment, the buffer mechanism further comprises: the second bolster, the second bolster is located in the sleeve, the one end of second bolster is supported and is leaned on in the sleeve, and the other end supports and leans on the cylinder, works as the cylinder is relative when the sleeve removes, can compress the second bolster.

In a preferred embodiment, the buffer mechanism further includes an insert column and a cylinder, the cylinder is connected to the guard plate, the insert column is inserted into the cylinder, and the insert column is connected to the sleeve or the cylinder.

In a preferred embodiment, a sliding groove is formed in the bottom plate, and the lower end of the vertical plate is mounted in the sliding groove through a sliding block.

In a preferred embodiment, the base further comprises: the reinforcing block is connected with the vertical plate and the vertical included angle of the bottom plate in a detachable connection mode.

The technical scheme of the utility model has the following remarkable beneficial effects:

according to the high-strength highway central guardrail provided by the application, the buffering mechanism is arranged between the base and the guard plate, when the guard plate is impacted, the force can be transmitted to the buffering mechanism, the transmitted force can be effectively buffered by utilizing the first buffering part of the buffering mechanism, and the condition that a vehicle is seriously damaged due to rigid contact when the vehicle impacts the guard plate is avoided; simultaneously also can play the cushioning effect to guardrail itself, prevent that the condition of serious damage from appearing in the guardrail.

Specific embodiments of the present invention are disclosed in detail with reference to the following description and drawings, indicating the manner in which the principles of the utility model may be employed. It should be understood that the embodiments of the utility model are not so limited in scope. The embodiments of the utility model include many variations, modifications and equivalents within the spirit and scope of the appended claims. Features that are described and/or illustrated with respect to one embodiment may be used in the same way or in a similar way in one or more other embodiments, in combination with or instead of the features of the other embodiments.

Drawings

The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, the proportional sizes, and the like of the respective members in the drawings are merely schematic for facilitating the understanding of the present invention, and do not specifically limit the shapes, the proportional sizes, and the like of the respective members of the present invention. Those skilled in the art, having the benefit of the teachings of this invention, may choose from the various possible shapes and proportional sizes to implement the utility model as a matter of case.

Fig. 1 is a schematic view of a guard rail for a highway according to an embodiment of the present disclosure;

fig. 2 is a sectional view of a guard rail for a highway provided in an embodiment of the present application;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

fig. 4 is a plan sectional view of a guardrail for a highway at a riser provided in an embodiment of the present application;

fig. 5 is a schematic view of a part of the enlarged structure at B in fig. 4.

Reference numerals of the above figures:

1. a base plate;

2. a chute;

3. a slider;

4. a vertical plate;

5. an installation port;

6. a buffer mechanism; 61. a slider; 62. a sleeve; 63. a bump; 64. a cylinder; 65. a third limiting member; 66. a second buffer member;

7. inserting a column;

8. a cylinder;

9. a guard plate;

10. a first buffer member;

11. and a reinforcing block.

Detailed Description

The technical solutions of the present invention will be described in detail with reference to the accompanying drawings and specific embodiments, it should be understood that these embodiments are merely illustrative of the present invention and are not intended to limit the scope of the present invention, and various equivalent modifications of the present invention by those skilled in the art after reading the present invention fall within the scope of the appended claims.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 5 in combination, in an embodiment of the present disclosure, there is provided a high-strength highway center fence, which may include: a base, a buffer mechanism 6 and a guard plate 9.

The base includes: the buffer mechanism comprises a base plate 1 and a vertical plate 4 detachably connected to the base plate 1, wherein a mounting opening 5 for mounting the buffer mechanism 6 is formed in the vertical plate 4. The damper mechanism 6 includes: the sleeve 62, the post 64 and the first dampener 10; one end of the sleeve 62 close to the column 64 is arranged in the mounting opening 5 in a penetrating manner, a part of the column 64 is arranged in the sleeve 62 in a penetrating manner, the column 64 is consistent with the longitudinal extending direction of the sleeve 62, and the column 64 can move relative to the sleeve 62 along the longitudinal extending direction to form a mounting body for mounting the first buffer 10; the first buffer piece 10 is sleeved on the mounting body, and two ends of the first buffer piece abut against the vertical plate 4 and the guard plate 9.

In the embodiment, the buffering mechanism 6 is arranged between the base and the guard plate 9, when the guard plate 9 is impacted, the force can be transmitted to the buffering mechanism 6, the transmitted force can be effectively buffered by utilizing the first buffering member 10 of the buffering mechanism 6, and the serious damage of the vehicle caused by hard contact when the vehicle impacts the guardrail is avoided; simultaneously also can play the cushioning effect to guardrail itself, prevent that the condition of serious damage from appearing in the guardrail.

In this embodiment, the shape and configuration of the post 64 and sleeve 62 may be matched.

In one embodiment, the cylinder 64 is a cylinder 64 having a circular cross-section and the sleeve 62 is a cylinder provided with a cylindrical bore. The damper mechanism 6 may further include: the first limiting piece is arranged on the inner wall of the mounting opening 5 and used for limiting the circumferential rotation of the sleeve 62; the second limiting member is disposed on an inner wall of the sleeve 62, and is used for limiting the circumferential rotation of the cylinder 64.

In the present embodiment, when the cross-section of the cylinder 64 and the sleeve 62 is circular, relative circumferential rotation between the cylinder 64 and the sleeve may occur under the action of torque. In order to avoid relative rotation between the cylinder 64 and the sleeve 62, a limiting mechanism may be provided between the cylinder and the sleeve. The limiting mechanism may include a first limiting member and a second limiting member. The first limiting member may be disposed on an inner wall of the mounting opening 5, and is configured to limit circumferential rotation of the sleeve 62. The second retaining member may be disposed on an inner wall of the sleeve 62 for limiting circumferential rotation of the cylinder 64.

Further, the first limiting member may include: at least one sliding block 61 arranged along the circumferential direction of the mounting opening 5. The second stopper may include: at least one projection 63 arranged in the circumferential direction of the sleeve 62.

In the present embodiment, the first stopper may be in the form of a slide block 61, and the number of the slide blocks 61 is not limited, and may be one or a plurality of. When the number of the slide blocks 61 is plural, the slide blocks 61 are arranged at regular intervals along the circumferential direction of the mounting opening 5.

The sliding block 61 is used to guide the sleeve 62 when the sleeve 62 moves axially relative to the cylinder 64, thereby preventing the sleeve 62 from rotating relative to the cylinder 64. Specifically, the sliding block 61 may be installed at the right end of the outer arc surface of the sleeve 62, the sliding block 61 and the sleeve 62 may be fixedly connected or integrally formed, and the sliding block 61 can slide relative to the installation opening 5.

In the present embodiment, the second limiting member may be in the form of a bump 63, wherein the number of the bumps 63 is not limited, and may be one or more. When the number of the projections 63 is plural, the projections 63 are uniformly spaced along the circumferential direction of the sleeve 62.

The projection 63 is used to limit the position of the post 64, thereby preventing the post 64 from rotating when moving relative to the sleeve 62. Namely, the projection 63 plays a limiting and guiding role for the column 64. The projection 63 and the sleeve 62 can slide relatively.

As shown in fig. 4 and 5, when the number of the slide blocks 61 is four, the four slide blocks 61 may be sequentially arranged at intervals of 90 ° in the circumferential direction of the mounting opening 5. When the number of the protrusions 63 is four, the four protrusions 63 may be sequentially arranged along the circumferential direction of the outer contour of the left end of the column 64 at intervals of 90 °. Of course, the number of the sliding blocks 61 and the number of the bumps 63 may be smaller, for example, two or three; there may be more, e.g., five or six, etc., and the specific application is not illustrated.

In another embodiment, the post 64 may be a non-circular cross-section post, and the sleeve 62 is a cylinder with an opening matching the outer profile of the post 64.

In this embodiment, the cross-section of the post 64 may be non-circular, such as rectangular, square, triangular, etc., and the interior of the sleeve 62 may be provided with an opening that matches the outer profile of the post 64. For example, when the post 64 is square in cross-section, the interior of the sleeve 62 may be formed with a square opening.

In the embodiment, the cylinder 64 and the sleeve 62 are configured to prevent the cylinder 64 and the sleeve 62 from rotating in the circumferential direction when the cylinder 64 and the sleeve 62 move relative to each other in the axial direction, and the first and second stoppers may be omitted in comparison with the above embodiment.

Of course, in this specification, the column 64 may have a regular structure or an irregular and irregular structure; the column 64 may be a solid structure or a hollow structure, and the present application is not limited thereto.

The sleeve 62 may be hollow, open at one end, or open at both ends. The cross-section of the sleeve 62 may be regular or irregular, and the present application is not limited thereto.

On the whole, in the process of relative movement between the sleeve 62 and the cylinder 64, it is necessary to ensure that the sleeve 62 and the cylinder 64 do not rotate relatively, so as to ensure that the buffer member can be smoothly compressed, and avoid the phenomenon of internal structure jamming.

As shown in fig. 3, in one embodiment, the buffering mechanism 6 further includes a third limiting member 65, and the third limiting member 65 is disposed on the vertical plate 4 and at an end of the mounting opening 5 facing away from the sleeve 62.

In the present embodiment, the buffer mechanism 6 is further provided with a third limiting member 65, and the third limiting member 65 is mainly used for axially limiting the column 64 and preventing the column 64 from being separated from the sleeve 62 in the process of axially moving relative to the sleeve 62.

Specifically, the third limiting member 65 may be an annular protrusion disposed on the edge of the vertical plate 4 close to the mounting opening 5. Of course, the third limiting member 65 may also be at least one discontinuous protrusion circumferentially disposed on the edge of the vertical plate 4 close to the mounting opening 5. For example, when the third retaining member 65 is a plurality of protrusions on the side of the vertical plate 4 close to the mounting opening 5, the plurality of protrusions may be distributed at intervals along the circumferential direction.

In one embodiment, the buffer mechanism 6 may further include: and the second buffer member 66, the second buffer member 66 is positioned in the sleeve 62, one end of the second buffer member 66 is abutted against the sleeve 62, the other end of the second buffer member is abutted against the column 64, and when the column 64 moves relative to the sleeve 62, the second buffer member 66 can be compressed.

In this embodiment, the second cushion member 66 may be disposed inside the sleeve 62, which is the left end of the sleeve 62 in fig. 2, the right end of the second cushion member 66 is fixedly connected to the left end of the corresponding column 64, when the fender 9 is impacted, the impact force acts on the fender 9 to compress the first cushion member 10, the rest of the impact force is transmitted to the sleeve 62 and the column 64, the sleeve 62 slides to the right side under the action of the sliding block 61, the column 64 slides to the left side inside the sleeve 62, at this time, the second cushion member 66 is compressed, the tension of the second cushion member 66 can perform secondary cushion on the transmitted impact force, and the serious vehicle damage caused by hard contact in the vehicle crash device can be more reliably avoided.

The first dampener 10 and the second dampener 66 can each be in the form of a spring. Of course, the first and

second dampers

10, 66 may be in other forms similar to springs. The first cushion member 10 provides the most significant cushioning effect, and the second cushion member 66 provides auxiliary cushioning for secondary cushioning of the impact force not cushioned by the first cushion member 10.

In one embodiment, the buffer mechanism 6 may further include a plug 7 and a cylinder 8, the cylinder 8 is connected to the guard plate 9, the plug 7 is plugged into the cylinder 8, and the plug 7 is connected to the sleeve 62 or the post 64.

In the present embodiment, the damper mechanism 6 may further include a post 7 and a cylinder 8. Insert post 7 and set up respectively in the back of the body end that corresponds about, sleeve 62 and cylinder 64, drum 8 is respectively through locking bolt fixed connection in the extrados of inserting post 7, with drum 8 with about corresponding insert post 7 peg graft, then fix drum 8 and insert post 7 through locking bolt, make things convenient for personnel to install, saved the output of manpower.

In this specification, the backplate 9 can respectively with control adjacent drum 8 fixed connection, and the backplate 9 receives the impact at first and disperses the impact force, and this backplate 9 can select for use the great corrugate of area to the area that contacts will grow to the accident vehicle, has reduced the damage degree of accident vehicle.

In one embodiment, the bottom plate 1 is provided with a sliding groove 2, and the lower end of the vertical plate 4 is installed in the sliding groove 2 through a sliding block 3.

In the present embodiment, a chute 2 is formed in the middle of the upper surface of the base plate 1, and a slider 3 is slidably connected to the inside of the chute 2. The upper end of the sliding block 3 is provided with a vertical plate 4. The sliding block 3 can be fixedly connected with the vertical plate 4, or integrally formed, or fixed by other connecting methods. As shown in fig. 4, a plurality of mounting openings 5 are formed in the vertical plate 4, and the mounting openings 5 are used for mounting the buffer mechanisms 6. During actual installation, can fix bottom plate 1 to the mounted position through hex bolts, then personnel slide riser 4 through slider 3 into the inside of spout 2.

In one embodiment, the base may further include a reinforcing block 11. The reinforcing block 11 is detachably connected with the vertical corner between the vertical plate 4 and the bottom plate 1.

In the present embodiment, the number of the reinforcing blocks 11 may be plural, and may be eight, for example. The reinforcing blocks 11 can be respectively fixedly connected at the vertical included angle between the vertical plate 4 and the bottom plate 1 through bolts. During the installation, take out the boss 11 and put the perpendicular junction of riser 4 and bottom plate 1, installer fixes the device through the bolt, has improved riser 4's shock resistance.

The working principle of the high-strength highway central guardrail provided by the utility model is as follows:

when the staff is installing, through hex bolts with bottom plate 1 fixed to the mounted position, then the personnel slide in the inside of spout 2 with riser 4 through slider 3, take out reinforcing block 11 afterwards and put riser 4 and bottom plate 1's perpendicular junction, personnel fix the device through the bolt, the shock resistance of riser 4 has been improved, at this moment personnel take out backplate 9, with drum 8 with control the corresponding post 7 of inserting peg graft, then fix drum 8 and insert post 7 through locking bolt, make things convenient for personnel to install, the output of manpower has been saved.

When the device is impacted by an external vehicle, the guard plate 9 firstly receives the impact and disperses the impact force, the impact force received by the guard plate 9 is transmitted to the buffer mechanism 6 through the cylinder 8 and the inserting column 7, at the moment, the first buffer member 10 positioned outside primarily buffers the transmitted impact force, the rest impact force is transmitted to the sleeve 62 and the column 64, the sleeve 62 slides to the right side under the action of the sliding block 61, the column 64 slides to the left side in the sleeve 62, at the moment, the second buffer member 66 is compressed, the tension of the second buffer member 66 buffers and rebounds the transmitted impact force again, and the serious vehicle damage caused by hard contact in the vehicle impact device is avoided.

It should be noted that, in the description of the present application, the terms "first", "second", and the like are used for descriptive purposes only and for distinguishing similar objects, and no precedence between the two is intended or should be construed to indicate or imply relative importance. In addition, in the description of the present application, "a plurality" means two or more unless otherwise specified.

The above embodiments in the present specification are all described in a progressive manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment is described with emphasis on being different from other embodiments.

The above embodiments are only a few embodiments of the present invention, and the embodiments of the present invention are described above, but the present invention is only used for the understanding of the present invention, and is not limited to the embodiments. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a high strength highway central guardrail which characterized in that includes: the device comprises a base, a guard plate and a buffer mechanism;

2. The high strength highway center fence of claim 1 wherein the post is a round cross-section post and the sleeve is a cylindrical body provided with a cylindrical bore; the buffer mechanism further includes: a first limiting piece and a second limiting piece,

the first limiting piece is arranged on the inner wall of the mounting opening and used for limiting the circumferential rotation of the sleeve; the second limiting part is arranged on the inner wall of the sleeve and used for limiting the circumferential rotation of the cylinder.

3. The high strength highway center fence of claim 2 wherein the first retaining member comprises: at least one sliding block arranged along the circumferential direction of the mounting opening; the second stopper includes: at least one projection provided along a circumferential direction of the sleeve.

4. The high-strength highway center fence according to claim 3, wherein the number of said sliding blocks is plural, and the plural sliding blocks are uniformly spaced along the circumferential direction of said mounting opening; the number of the convex blocks is multiple, and the convex blocks are uniformly distributed at intervals along the circumferential direction of the sleeve.

5. The high strength highway center fence of claim 1 wherein the post is a non-circular cross-section post and the sleeve is a cylinder having an opening matching the outer profile of the post.

6. The high-strength highway center fence according to claim 3 or 5, wherein the buffering mechanism further comprises a third limiting member disposed on the vertical plate at an end of the mounting opening facing away from the sleeve.

7. A high strength highway center fence according to any one of claims 1 to 5 wherein said cushioning mechanism further comprises: the second bolster, the second bolster is located in the sleeve, the one end of second bolster is supported and is leaned on in the sleeve, and the other end supports and leans on the cylinder, works as the cylinder is relative when the sleeve removes, can compress the second bolster.

8. The high strength highway center fence of claim 7 wherein the cushioning mechanism further comprises a post and a cylinder, the cylinder being attached to the fender, the post being attached to the cylinder, the post being attached to the sleeve or the post.

9. The high-strength highway central guardrail according to claim 1, wherein the bottom plate is provided with a sliding groove, and the lower end of the vertical plate is mounted in the sliding groove through a sliding block.

10. The high strength highway center fence of claim 9 wherein the base further comprises: the reinforcing block is connected with the vertical plate and the vertical included angle of the bottom plate in a detachable connection mode.