CN220352693U - Adjustable road guard rail - Google Patents

Abstract

The utility model discloses an adjustable road guard rail, and relates to the technical field of road guard rails. The structure of the device comprises a counterweight base, an upright post and a telescopic guardrail; the upright post is inserted and arranged on the counterweight base, and the counterweight base is fixedly connected with the upright post through a bolt; the telescopic guardrail comprises an upper cross rod and a lower cross rod which are arranged in parallel, and the length of the upper cross rod is shorter than that of the lower cross rod; a row of telescopic vertical rods are fixed between the upper cross rod and the lower cross rod; two ends of the lower cross bar are respectively provided with a positioning jack which is vertically arranged; two ends of the lower cross rod are respectively inserted into one upright post; the inner thread of the upper end of the upright post is connected with a height adjusting supporting component; the upper cross bar is inserted on the height adjusting support component. According to the utility model, the height of the telescopic guardrail is adjusted through the height adjusting supporting component, the height of the lower end position of the telescopic guardrail is unchanged, the upper end position of the telescopic guardrail is lifted and adjusted by the height adjusting supporting component, the height adjustment is quick, the replacement cost of single component is low, the overall durability is good, and the comprehensive service life is long.

Description

Adjustable road guard rail

Technical Field

The utility model belongs to the technical field of road guard rails, and particularly relates to an adjustable road guard rail.

Background

The isolation guardrail commonly used at present is formed into a whole or a plurality of whole parts through welding or riveting, and the welded or riveted guardrail occupies a relatively large area, is inconvenient to transport, is inconvenient to maintain and repair, has higher processing, assembling and maintaining costs, and has low overall repairable value when partial structures are damaged. The interception protection height of the road guard rail with the integral structure is fixed, and the height of the road guard rail cannot be adjusted according to requirements.

In order to solve the problems, the utility model patent with the authority bulletin number of CN217925269U discloses a metal guardrail convenient to connect and assemble, and relates to the technical field of guardrails. The utility model comprises a column, a cast iron base, a top cap, a cross rod and a vertical rod; the two cross bars are oppositely arranged, and a plurality of vertical bars are inserted and installed between the two cross bars; two ends of two cross bars for clamping the plurality of vertical bars are respectively inserted and installed on one upright post and are fixedly connected through long bolts; the upright posts are inserted and installed on the cast iron base and are connected into a whole through short bolts; the top cap is inserted and arranged at the upper end of the upright post; the upright post is an I-shaped pipe formed by punching a rectangular pipe; a bottom sealing plate is fixed on the inner wall of the lower end of the upright post; the bottom sealing plate is provided with a first threaded hole; the lower half part in the grooves on the two sides of the upright post is provided with a plurality of rectangular jacks which are in inserted fit with the cross rod.

The guardrail of above-mentioned technical scheme has the effect of adjustment interception height, but also increases in step with the distance of its guardrail below from ground after the height-adjusting, and lower part space protection interception ability reduces, and safety protection ability reduces. Based on the technical problems, the application document provides an adjustable road guard rail.

Disclosure of Invention

The utility model aims to provide an adjustable road guard rail, which is characterized in that the height of a telescopic guard rail is adjusted through a height adjusting support assembly, the height of the lower end position of the telescopic guard rail is unchanged, the upper end position of the telescopic guard rail is lifted and adjusted by the height adjusting support assembly, and a post rod exposed when the upper end position is lifted is used as a supplementary part of the height, so that the guard rail protection range is effectively expanded.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to an adjustable road guard rail which comprises a counterweight base, upright posts and telescopic guardrails. The upright post is inserted and installed on the counterweight base, and the counterweight base is fixedly connected with the upright post through a bolt. The telescopic guardrail comprises an upper cross rod and a lower cross rod which are arranged in parallel, and the length of the upper cross rod is shorter than that of the lower cross rod. A row of telescopic vertical rods are fixed between the upper cross rod and the lower cross rod. Two ends of the lower cross bar are respectively provided with a positioning jack which is vertically arranged. The two ends of the lower cross rod are respectively inserted into one upright post. The inner thread of the upper end of the upright post is connected with a height adjusting supporting component. The upper cross bar is inserted on the height adjustment support assembly. An upper cover is arranged at the upper end of the upright post.

As a preferable technical scheme of the utility model, the telescopic vertical rod comprises a first pipe body, a second pipe body and a post rod. The inner and outer pipelines of the first pipe body are the same as those of the second pipe body. The upper end of the first pipe body is fixed on the upper cross rod. The lower end of the second pipe body is fixed on the lower cross rod. And two ends of the post rod are respectively in plug-in fit with the inner wall of the first pipe body and the inner wall of the second pipe body.

As a preferred embodiment of the present utility model, the upright comprises an H-shaped tube. And a bottom sealing plate is fixed on the inner wall of the lower end of the H-shaped pipe. The middle part of the bottom sealing plate is provided with a first threaded hole matched with the bolt. The opposite concave surface of the lower half part of the H-shaped pipe is provided with a rectangular through hole for penetrating the lower cross rod. The inner wall of the H-shaped pipe is fixed with a first rectangular supporting plate, and the upper surface of the first rectangular supporting plate is flush with the lower end face of the rectangular through hole. Two positioning columns matched with the positioning jacks are fixed on the first rectangular supporting plate. The upper end part of the H-shaped pipe is provided with a rectangular through groove opposite to the inner concave surface. The inner wall of the H-shaped pipe is fixed with a second rectangular supporting plate, and the upper surface of the second rectangular supporting plate is flush with the lower end of the rectangular through groove. And a second threaded hole is formed in the middle of the second rectangular supporting plate.

As a preferable technical scheme of the utility model, the counterweight base is of a quadrangular frustum structure. The upper end of the counterweight base is provided with an H-shaped groove matched with the H-shaped pipe. And a third threaded hole matched with the bolt is formed in the bottom of the H-shaped groove.

As a preferable technical scheme of the utility model, the height adjustment support assembly comprises a screw support table and a sliding table. The screw support table comprises a threaded rod matched with the second threaded hole. And a circular plate coaxially arranged is fixed at the upper end of the threaded rod. And a hexagonal prism which is coaxially arranged is fixed at the upper end of the circular plate. The sliding table comprises a sliding block which is in sliding fit with the inner wall of the H-shaped groove. The lower end of the sliding block is provided with a round groove matched with the round plate. The center of the circular groove is provided with a circular through hole for penetrating the hexagonal prism. A pair of inserts are fixed on one opposite side of the slider. The upper cross rod is a rectangular pipe body, and the end part of the rectangular pipe body is in plug-in fit with the plug block.

As a preferable technical scheme of the utility model, the positioning column is a threaded column, and the lower cross rod is locked and positioned by using a nut after being mounted on the positioning column, so that the mounting stability of the lower cross rod is improved, and the telescoping smoothness of the telescopic guardrail is further improved.

As a preferable technical scheme of the utility model, the first pipe body and the second pipe body are stuck with reflective stickers. The anti-reflection paste adhered to the guardrail improves the eye-catching property of the guardrail and improves the protection effect.

The utility model has the following beneficial effects:

1. according to the utility model, the height of the telescopic guardrail is adjusted through the height adjusting supporting component, the height of the lower end position of the telescopic guardrail is unchanged, the upper end position of the telescopic guardrail is lifted and adjusted by the height adjusting supporting component, the protection height can be adjusted by opening the upper cover, and the operation is convenient and quick.

2. The lower end position of the telescopic guardrail is unchanged in the up-down adjustment process, the exposed post rod is used as a height supplementing part when the upper end position is lifted, and the telescopic guardrail is stable in structure and effectively expands the protective range of the guardrail.

3. The road guard rail is provided with the counterweight base, the upright post, the telescopic guard rail, the bolt, the height adjusting support assembly and the upper cover part which can be replaced independently, and the road guard rail has the advantages of low replacement cost of single parts, good overall durability and long comprehensive service life.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of an adjustable road guard rail according to the present utility model.

Fig. 2 is a top view of the adjustable road guard rail.

Fig. 3 is a cross-sectional view at A-A in fig. 2.

Fig. 4 is a schematic structural view of the counterweight base.

Fig. 5 is a schematic structural view of the column.

Fig. 6 is a schematic structural view of the telescopic guard rail.

Fig. 7 is a schematic view of the structure of the screw supporting table.

Fig. 8 is a schematic structural view of the slide table.

In the drawings, the list of components represented by the various numbers is as follows:

the device comprises a 1-counterweight base, a 2-upright post, a 3-telescopic guardrail, a 4-bolt, a 5-height adjustment supporting component, a 6-upper cover, an 11-H-shaped groove, a 12-third threaded hole, a 21-H-shaped pipe, a 22-bottom sealing plate, a 23-first threaded hole, a 24-rectangular through hole, a 25-first rectangular supporting plate, a 26-positioning post, a 27-rectangular through groove, a 28-second rectangular supporting plate, a 29-second threaded hole, a 31-upper cross bar, a 32-lower cross bar, a 33-telescopic vertical bar, a 321-positioning jack, a 331-first pipe body, a 332-second pipe body, a 333-post, a 51-screw supporting platform, a 52-sliding table, a 511-threaded rod, a 512-circular plate, 513-hexagonal prism, a 521-sliding block, a 522-circular groove, 523-circular through hole and a 524-insertion block.

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.

First embodiment:

referring to fig. 1-8, the utility model is an adjustable road guard rail, which comprises a counterweight base 1, a column 2 and a telescopic guard rail 3. The upright post 2 is inserted and installed on the counterweight base 1, and the counterweight base 1 is fixedly connected with the upright post 2 through a bolt 4. The telescopic guardrail 3 comprises an upper cross bar 31 and a lower cross bar 32 which are arranged in parallel, and the length of the upper cross bar 31 is shorter than that of the lower cross bar 32. A series of telescopic vertical rods 33 are fixed between the upper cross rod 31 and the lower cross rod 32. Two ends of the lower cross bar 32 are respectively provided with a positioning jack 321 which is vertically arranged. The two ends of the lower cross bar 32 are respectively inserted into one upright post 2. The inner thread of the upper end of the upright post 2 is connected with a height adjusting support component 5. The upper cross bar 31 is inserted on the height-adjusting support assembly 5. An upper cover 6 is arranged at the upper end of the upright post 2. The telescopic vertical rod 33 includes a first tube 331, a second tube 332, and a post 333. The inner and outer pipe diameters of the first pipe body 331 and the second pipe body 332 are the same. The upper end of the first tube 331 is fixed to the upper cross bar 31. The lower end of the second tube 332 is fixed to the bottom rail 32. The two ends of the pole 333 are respectively in plug-in fit with the inner wall of the first tube 331 and the inner wall of the second tube 332. The lower end position of the telescopic guardrail 3 is unchanged in the up-down adjustment process, the exposed post 333 is used as a supplementary part of the height when the upper end position is lifted, and the telescopic guardrail is stable in structure and effectively expands the protection area.

Wherein the upright 2 comprises an H-shaped tube 21. A bottom sealing plate 22 is fixed on the inner wall of the lower end of the H-shaped pipe 21. The middle part of the bottom closing plate 22 is provided with a first threaded hole 23 matched with the bolt 4. The opposite concave surface of the lower half of the H-shaped tube 21 is provided with a rectangular through hole 24 for penetrating the lower cross bar 32. The inner wall of the H-shaped pipe 21 is fixed with a first rectangular supporting plate 25, and the upper surface of the first rectangular supporting plate 25 is flush with the lower end face of the rectangular through hole 24. Two positioning posts 26 matched with the positioning jacks 321 are fixed on the first rectangular supporting plate 25. The upper end of the H-shaped pipe 21 is provided with a rectangular through groove 27 opposite to the inner concave surface. The inner wall of the H-shaped pipe 21 is fixed with a second rectangular supporting plate 28, and the upper surface of the second rectangular supporting plate 28 is flush with the lower end of the rectangular through groove 27. A second threaded hole 29 is formed in the middle of the second rectangular supporting plate 28. Wherein, the counterweight base 1 is of a quadrangular frustum structure. The upper end of the counterweight base 1 is provided with an H-shaped groove 11 matched with an H-shaped pipe 21. The bottom of the H-shaped groove 11 is provided with a third threaded hole 12 matched with the bolt 4. The height adjusting support assembly 5 includes a screw support table 51 and a sliding table 52. The screw support table 51 includes a threaded rod 511 that mates with the second threaded bore 29. A circular plate 512 coaxially arranged is fixed to the upper end of the threaded rod 511. A hexagonal prism 513 coaxially arranged is fixed to the upper end of the circular plate 512. The slide 52 includes a slider 521 slidably engaged with the inner wall of the H-shaped groove 11. The slider 521 has a circular groove 522 formed at its lower end to fit the circular plate 512. The center of the circular groove 522 is provided with a circular through hole 523 for penetrating the hexagonal prism 513. A pair of inserts 524 are secured to opposite sides of slider 521. The upper cross bar 31 is a rectangular tube body, and the end of the rectangular tube body is in insertion fit with the insertion block 524.

When the height adjustment is required, the upper cover 6 at the upper end of the upright post 2 is removed, and the hexagonal prism 513 is covered with a sleeve spanner, so that the sliding table 52 on which the screw support table 51 is lifted and lowered moves. The screw supporting table 51 is rotated integrally, and the screw supporting table 51 is rotated downwards in the second threaded hole 29 to lower the upper cross bar 31 at the upper part of the telescopic guardrail 3, namely the protection height is lowered; the screw support table 51 is screwed up in the second screw hole 29 to raise the upper cross bar 31 at the upper part of the telescopic guardrail 3, i.e., to raise the protection height. After the height of the upper end position of the telescopic guardrail 3 is adjusted, the operation of the screw supporting table 51 can be stopped, and the telescopic guardrail 3 is adjusted by covering the upper cover 6 again. The whole adjustment process is convenient and quick.

Wherein in order to promote flexible guardrail 3 installation stability, set up reference column 26 into the screw thread post to use the nut to lock the location after the bottom rail 32 is installed on the reference column 26, improve the stability of bottom rail 32 installation, further improve flexible smoothness of flexible guardrail 3.

In order to enhance the striking effect of the road guard rail, reflective stickers are adhered to the first tube 331 and the second tube 332. The anti-reflection paste adhered to the guardrail improves the eye-catching property of the guardrail and improves the protection effect.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims (7)

1. An adjustable road rail guard, its characterized in that:

comprises a counterweight base (1), an upright post (2) and a telescopic guardrail (3);

the upright post (2) is inserted and mounted on the counterweight base (1), and the counterweight base (1) is fixedly connected with the upright post (2) through a bolt (4);

the telescopic guardrail (3) comprises an upper cross rod (31) and a lower cross rod (32) which are arranged in parallel; a row of telescopic vertical rods (33) are fixed between the upper cross rod (31) and the lower cross rod (32); two ends of the lower cross bar (32) are respectively provided with a positioning jack (321) which is vertically arranged;

two ends of the lower cross rod (32) are respectively inserted into one upright post (2);

the inner thread of the upper end of the upright post (2) is connected with a height adjusting supporting component (5); the upper cross bar (31) is inserted on the height adjustment support assembly (5);

an upper cover (6) is arranged at the upper end of the upright post (2).

2. The adjustable roadway guard of claim 1, wherein the telescoping vertical rod (33) comprises a first tube (331), a second tube (332) and a post (333); the inner and outer pipe diameters of the first pipe body (331) and the second pipe body (332) are the same; the upper end of the first pipe body (331) is fixed on the upper cross rod (31); the lower end of the second pipe body (332) is fixed on the lower cross rod (32); two ends of the post rod (333) are respectively in plug-in fit with the inner wall of the first tube body (331) and the inner wall of the second tube body (332).

3. Adjustable road guard according to claim 1, characterized in that the upright (2) comprises an H-pipe (21); a bottom sealing plate (22) is fixed on the inner wall of the lower end of the H-shaped pipe (21); a first threaded hole (23) matched with the bolt (4) is formed in the middle of the bottom sealing plate (22); a rectangular through hole (24) for penetrating the lower cross rod (32) is formed in the opposite inner concave surface of the lower half part of the H-shaped pipe (21); a first rectangular supporting plate (25) is fixed on the inner wall of the H-shaped pipe (21), and the upper surface of the first rectangular supporting plate (25) is flush with the lower end surface of the rectangular through hole (24); two positioning columns (26) matched with the positioning jacks (321) are fixed on the first rectangular supporting plate (25); a rectangular through groove (27) is formed in the upper end part of the H-shaped pipe (21) opposite to the inner concave surface; a second rectangular supporting plate (28) is fixed on the inner wall of the H-shaped pipe (21), and the upper surface of the second rectangular supporting plate (28) is flush with the lower end of the rectangular through groove (27); a second threaded hole (29) is formed in the middle of the second rectangular supporting plate (28).

4. An adjustable road guard rail according to claim 3, characterized in that the counterweight base (1) is of a quadrangular frustum structure; an H-shaped groove (11) matched with the H-shaped pipe (21) is formed in the upper end of the counterweight base (1); a third threaded hole (12) matched with the bolt (4) is formed in the bottom of the H-shaped groove (11).

5. The adjustable road rail according to claim 4, characterized in that the height-adjusting support assembly (5) comprises a screw support table (51) and a sliding table (52); the screw support table (51) comprises a threaded rod (511) which is matched with the second threaded hole (29); a circular plate (512) which is coaxially arranged is fixed at the upper end of the threaded rod (511); a hexagonal prism (513) which is coaxially arranged is fixed at the upper end of the circular plate (512); the sliding table (52) comprises a sliding block (521) which is in sliding fit with the inner wall of the H-shaped groove (11); a round groove (522) matched with the circular plate (512) is formed at the lower end of the sliding block (521); a round through hole (523) for penetrating the hexagonal prism (513) is formed in the center of the round groove (522); a pair of insert blocks (524) are fixed on one opposite side surface of the sliding block (521); the upper cross rod (31) is a rectangular pipe body, and the end part of the rectangular pipe body is in plug-in fit with the plug block (524).

6. An adjustable road guard according to claim 3, characterised in that the location post (26) is a threaded post and that the lower cross bar (32) is mounted to the location post (26) and locked into place using a nut.

7. The adjustable roadway guard of claim 2, wherein reflective stickers are adhered to the first tube (331) and the second tube (332).