CN109208510B

CN109208510B - Road guardrail

Info

Publication number: CN109208510B
Application number: CN201811054434.4A
Authority: CN
Inventors: 刘正文
Original assignee: Jiangsu Zhengyi Traffic Facilities Co ltd
Current assignee: Jiangsu Zhengyi Traffic Facilities Co ltd
Priority date: 2018-09-11
Filing date: 2018-09-11
Publication date: 2021-05-07
Anticipated expiration: 2038-09-11
Also published as: CN109208510A

Abstract

The invention provides a road guardrail, in particular to the technical field of road protection facilities, which comprises upright posts and a guardrail component arranged between adjacent upright posts, wherein the guardrail component comprises two telescopic cross rod components, a plurality of grid bars and a plurality of second chains arranged between the adjacent grid bars, the telescopic cross rod components comprise a first chain, a plurality of V-shaped parts, a first fixed rod with two ends fixedly connected with the V-shaped parts and a second fixed rod with one end fixed on the upright posts, the V-shaped parts comprise a first movable rod, a second movable rod and a connecting block fixed on the end part of the first fixed rod or/and the second fixed rod, one end of the first movable rod is hinged with one end of the second movable rod, the other ends of the first movable rod and the second movable rod are fixedly connected with the connecting block, through holes are arranged on the connecting block, the first chain passes through the through holes on the plurality of connecting blocks, one end of the first chain, the other end of the first chain is movably connected to the outer wall of the adjacent upright post. The invention has the advantages of convenient use and flexibility.

Description

Road guardrail

Technical Field

The invention belongs to the technical field of road protection facilities, and particularly relates to a road guardrail.

Background

The road guardrail is a facility applied to road traffic, can isolate multidirectional lane to and to the lane of motor vehicle is isolated with the lane of non-motor vehicle, and the general length of current road guardrail is all fixed, when the traffic accident appears, sometimes need temporarily shelter from the scene of the accident with road guardrail, but need to carry the guardrail from other troublesome, if remove the guardrail on the road of nearby, can influence traffic operation, if the guardrail has scalability on the road, then can remove the guardrail to the position that needs to place, the space of removing the guardrail relies on neighbouring guardrail extension to fill.

Therefore, a retractable road guardrail with convenient use is urgently needed.

Disclosure of Invention

In order to solve the problems of fixed length and inconvenient use of the conventional road guardrail, the invention aims to provide the road guardrail which has the advantages of convenience in use and flexibility.

The invention provides the following technical scheme:

a road guardrail comprises upright posts and a telescopic guardrail component arranged between the adjacent upright posts, wherein the guardrail component comprises two telescopic cross rod components which are correspondingly arranged up and down, a plurality of grid bars and a plurality of second chains arranged between the adjacent grid bars, the telescopic cross rod components comprise a first chain, a plurality of V-shaped parts which are arranged at intervals, a first fixed rod of which both ends are fixedly connected with the V-shaped parts and a second fixed rod of which one end is fixed on the outer wall of the upright posts, the V-shaped parts and the first fixed rods are arranged in a staggered way, the V-shaped parts comprise first movable rods, second movable rods and connecting blocks which are fixed on the end parts of the first fixed rods or/and the second fixed rods, one ends of the first movable rods are hinged with one ends of the second movable rods, and the other ends of the first movable rods and the second movable rods are fixedly connected with the connecting blocks, be equipped with the through-hole on the connecting block, first chain passes a plurality of through-hole on the connecting block, the one end of first chain is fixed on the stand outer wall, the other end swing joint of first chain corresponds the setting from top to bottom on the outer wall of adjacent stand be fixed with between the first dead lever the bars correspond the setting from top to bottom also be fixed with between the second dead lever the bars, the both ends of second chain are fixed respectively on adjacent bars.

First movable rod in the V type spare with the second movable rod is articulated, the V type spare is scalable, scalable subassembly also can stretch out and draw back, when needs extension during the V type spare, can take away first chain earlier, remove one of them again the position of stand is extended convenient operation.

Preferably, be equipped with solid fixed ring on the outer wall of stand, the one end swing joint of first chain has to hang solid fixed intra-annular couple, first chain passes through the couple with gu fixed ring swing joint. First chain with the swing joint of couple can make the couple is followed take off on the first chain, is convenient for first chain passes the through-hole, the couple with the solid fixed ring's setting can make the extraction first chain is more convenient, will the couple is followed the one end of first chain is taken off, holds the other end of first chain extracts.

Preferably, an annular supporting plate is further fixed on the outer wall of the upright column and located below the fixing ring. The first chain dish after receiving can be in the setting of annular support plate on the annular support plate, prevent that the first chain from stumbling the people.

Preferably, the length of the second chain is greater than the sum of the lengths of the first movable rod and the second movable rod.

Preferably, the stand is the hollow structure of bottom opening form, the top of stand is equipped with the screw, still be equipped with supplementary moving mechanism in the stand, supplementary moving mechanism includes the rotating member, passes the threaded rod of screw and fixing the gyro wheel of threaded rod bottom, the rotating member is fixed the top of threaded rod. The auxiliary moving mechanism is arranged to facilitate movement of the upright post, labor is saved, the upright post is moved, the rotating piece can rotate to enable the roller to move downwards, when the roller is in contact with the ground, the upright post can be lifted, the rotating piece can rotate continuously to enable the roller to move downwards continuously and extend to the outside of the bottom surface of the upright post, and the roller can move to the upright post.

Preferably, the height of the upright post is equal to the length of the threaded rod.

The invention has the beneficial effects that:

1. first movable rod and the second movable rod in the V type spare are articulated, and the V type spare is scalable, and scalable subassembly also can stretch out and draw back, when the V type spare of needs extension, can take away first chain earlier, remove the position of one of them stand and extend, convenient operation again.

2. The first chain of extraction can be made more convenient with solid fixed ring's setting to the couple, takes off the couple from the one end of first chain, holds the other end of first chain and extracts, and the setting of annular support plate can prevent that first chain from stumbling the people with the first chain dish after collecting in the annular support plate.

3. The auxiliary moving mechanism is arranged to facilitate moving of the upright column, labor is saved, the upright column can be moved when the upright column is moved, the roller can move downwards, the upright column can be lifted when the roller is in contact with the ground, the rotating part continues to rotate, the roller continues to move downwards, the outer portion of the bottom surface of the upright column is extended, and the upright column is moved through the roller.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of example 1 of the present invention;

FIG. 2 is a schematic structural view of example 2 of the present invention;

FIG. 3 is a schematic view of the mechanism of embodiment 1 of the present invention when it is extended;

FIG. 4 is a schematic view of the mechanism of embodiment 2 of the present invention when it is extended;

labeled as: 1. a column; 11. a fixing ring; 12. an annular support plate; 13. a screw hole; 2. a balustrade assembly; 21. a retractable crossbar assembly; 211. a first chain; 2111. hooking; 212. a V-shaped piece; 2121. a first movable bar; 2122. a second movable bar; 2123. connecting blocks; 2124. a through hole; 213. a first fixing lever; 214. a second fixing bar; 22. grid bars; 23. a second chain; 3. an auxiliary moving mechanism; 31. a rotating member; 32. a threaded rod; 33. and a roller.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

Example 1

As shown in fig. 1, a road guardrail comprises uprights 1 and a telescopic rail assembly 2 arranged between adjacent uprights 1, wherein the rail assembly 2 comprises two telescopic rail assemblies 21 arranged correspondingly up and down, a plurality of grid bars 22 and a plurality of second chains 23 arranged between adjacent grid bars 22, the telescopic rail assemblies 21 comprise a first chain 211, a plurality of spaced V-shaped members 212, a first fixing rod 213 with two ends fixedly connected with the V-shaped members 212 and a second fixing rod 214 with one end fixed on the outer wall of the upright 1, the V-shaped members 212 and the first fixing rod 213 are arranged alternately, the V-shaped members 212 comprise a first movable rod 2121, a second movable rod 2122 and a connecting block 2123 fixed on the end of the first fixing rod 213 or/and the second fixing rod 214, one end of the first movable rod 2121 is hinged with one end of the second movable rod 2122, the other end of the first movable rod 2121 and the other end of the second movable rod 2122 are both fixedly connected with a connecting block 2123, the connecting blocks 2123 are provided with through holes 2124, the first chain 211 penetrates through the through holes 2124 of the plurality of connecting blocks 2123, one end of the first chain 211 is fixed on the outer wall of the upright post 1, the other end of the first chain 211 is movably connected to the outer wall of the adjacent upright post 1, grid bars 22 are fixed between the first fixing rods 213 which are correspondingly arranged up and down, grid bars 22 are also fixed between the second fixing rods 214 which are correspondingly arranged up and down, two ends of the second chain 23 are respectively fixed on the adjacent grid bars 22, and the length of the second chain 23 is greater than the sum of the lengths of the first movable rod 2121 and the second movable rod 2122.

Be equipped with on the outer wall of stand 1 and fix ring 11, the one end swing joint of first chain 21 has couple 2111 of hanging in fixed ring 11, and first chain 21 still is fixed with annular support plate 12 on the outer wall of stand 1 through couple 2111 and fixed ring 11 swing joint, and annular support plate 12 is located fixed ring 11 below. The movable connection between the first chain 21 and the hook 2111 enables the hook 2111 to be taken down from the first chain 21, so that the first chain 21 can conveniently pass through the through hole 2124.

The embodiment 1 of the invention has the following working modes: as shown in fig. 3, when the road balustrade needs to be extended, the hook 2111 is taken off from the first chain 211, the other end of the first chain 211 fixed on the upright 1 is taken out by hand, the first chain 211 is wound around the annular support plate 12 after the extraction, and then the position of the upright 1 is moved to extend all the V-shaped members 212.

Example 2

As shown in fig. 2, in the road guardrail according to embodiment 1, the upright post 1 is a hollow structure with an open bottom, the top of the upright post 1 is provided with a screw hole 13, the upright post 1 is further provided with an auxiliary moving mechanism 3, the auxiliary moving mechanism 3 comprises a rotating member 31, a threaded rod 32 penetrating through the screw hole 13 and a roller 33 fixed at the bottom end of the threaded rod 32, the rotating member 31 is fixed at the top end of the threaded rod 32, and the height of the upright post 1 is equal to the length of the threaded rod 32.

The embodiment 2 of the invention has the following working modes: as shown in fig. 4, in the same manner as the extending operation of embodiment 1, when moving the upright 1, the rotary member 31 may be rotated first to move the roller 33 downward, and when the roller 33 contacts the ground, the upright 1 may be lifted up, and the rotary member 31 may be rotated continuously to move the roller 33 downward to extend to the outside of the bottom surface of the upright 1, so that the upright 1 may be moved by the roller 33.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A road guardrail is characterized by comprising upright posts and a telescopic guardrail component arranged between the adjacent upright posts, wherein the guardrail component comprises two telescopic cross rod components, a plurality of grid bars and a plurality of second chains arranged between the adjacent grid bars, the telescopic cross rod components comprise first chains, a plurality of V-shaped parts arranged at intervals, first fixed rods with two ends fixedly connected with the V-shaped parts and second fixed rods with one ends fixed on the outer walls of the upright posts, the V-shaped parts and the first fixed rods are arranged in a staggered manner, the V-shaped parts comprise first movable rods, second movable rods and connecting blocks fixed on the end parts of the first fixed rods or/and the second fixed rods, one ends of the first movable rods are hinged with one ends of the second movable rods, and the other ends of the first movable rods and the other ends of the second movable rods are fixedly connected with the connecting blocks, the vertical column is of a hollow structure with an opening at the bottom end, the top of the vertical column is provided with a screw hole, the vertical column is internally provided with an auxiliary moving mechanism, the auxiliary moving mechanism comprises a rotating piece, a threaded rod penetrating through the screw hole and a roller fixed at the bottom end of the threaded rod, and the rotating piece is fixed at the top end of the threaded rod;

a fixing ring is arranged on the outer wall of the upright post, one end of the first chain is movably connected with a hook hung in the fixing ring, and the first chain is movably connected with the fixing ring through the hook;

an annular supporting plate is further fixed on the outer wall of the stand column and located below the fixing ring.

2. A road barrier as claimed in claim 1, wherein the length of the second chain is greater than the sum of the lengths of the first and second movable bars.

3. A road barrier as claimed in claim 1, wherein the height of the post and the length of the threaded rod are equal.