CN211900040U - Road barrier - Google Patents

Abstract

The utility model relates to a road barrier gate, which comprises upright posts and grid plates fixedly connected with the two sets of upright posts, wherein each grid plate comprises a first cross beam and a second cross beam which are parallel to the ground; a plurality of vertical plates are vertically fixed between the mutually close end surfaces of the first cross beam and the second cross beam; a frame body for containing the advertising board is arranged between the two vertical plates, and vertical frames on the left side and the right side of the frame body are hinged with the vertical plates on the two sides; through holes are vertically formed in both ends of the upper end face of the first cross beam, two counter bores are vertically formed in the upper end face of the upper frame of the frame body, and limiting devices for being fixedly connected with the counter bores in an inserting mode are installed in the through holes; the upper frame and the lower frame on the back of the frame body are respectively provided with a pair of clamping devices for clamping and positioning the advertising board. The utility model provides work efficiency when having promoted operating personnel installation bill-board has reduced intensity of labour, and the bill-board is difficult for breaking away from the isolated gate under extreme weather environment.

Description

Road barrier

Technical Field

The utility model belongs to the technical field of the technique of road isolated gate and specifically relates to an isolated gate for highway is related to.

Background

The highway barrier is mainly used for safety isolation at two sides of a highway, shunts people and vehicles on the road and has important significance for maintaining ordered road traffic rules. The highway barrier is mainly composed of upright posts and grid plates, wherein the upright posts and the grid plates are mutually connected and continuously extend; with the development of the advertising industry, the carrier of the advertisement is continuously expanded, the isolation grids are erected on the two sides of the road, the position is stable, the isolation grids are positioned in the visible range of pedestrians, and therefore the application of the isolation grids in the advertising industry is continuously expanded by combining the isolation grids.

The existing mode of putting advertisements on the isolation barrier is relatively extensive, a special billboard frame body is not arranged on the highway isolation barrier, and the billboard is wound on the isolation barrier through strong glue or adhesive tapes and the like.

The above prior art solutions have the following drawbacks: the existing fixing mode of the advertising board and the isolation fence is more traditional, the connection strength of the advertising board and the isolation fence is limited by strong glue, adhesive tapes and the like, the advertising board is very easy to damage and scrape off under extreme weather conditions, the strong glue and the adhesive tapes need to be removed firstly when the advertising board is replaced, the advertising board is easy to remain and difficult to clean, the labor intensity of operators is high when the advertising board is installed and replaced, the labor efficiency is low, and the improved space exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a not enough to prior art exists, the utility model aims at providing a barrier for highway is convenient for put in the bill-board on the barrier, has promoted the installation stability of bill-board on the barrier, has promoted the labor efficiency that operating personnel installed the bill-board.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

an isolation barrier for a highway comprises upright posts and grid plates fixedly connected with the two groups of upright posts, wherein each grid plate comprises a first cross beam and a second cross beam which are fixed between the upright posts and staggered up and down, and the first cross beam and the second cross beam are parallel to the ground; a plurality of vertical plates are vertically fixed between the mutually close end surfaces of the first cross beam and the second cross beam; a frame body for containing the advertising board is arranged between the two vertical plates, and vertical frames on the left side and the right side of the frame body are hinged with the vertical plates on the two sides; through holes are vertically formed in both ends of the upper end face of the first cross beam, two counter bores are vertically formed in the upper end face of the upper frame of the frame body, and limiting devices for being fixedly connected with the counter bores in an inserting mode are installed in the through holes; the upper frame and the lower frame on the back of the frame body are respectively provided with a pair of clamping devices for clamping and positioning the advertising board.

By adopting the technical scheme, a group of grid plates are fixedly connected between the two groups of stand columns, and the two groups of stand columns play a role in supporting the grid plates; a frame body for containing the advertising board is arranged between the upper and lower first and second cross beams of the grid plate and the vertical plate, and the left and right sides of the frame body are hinged with the upright posts at the two sides, so that the rotation of the frame body on the grid plate is realized; carry out the installation of bill-board when rotating the framework to the horizontality, rotate the framework to vertical position after the installation is accomplished, stop device pegs graft and goes into the fixed to the framework of the inside completion of counter bore in the framework, clamping device in the framework simultaneously presss from both sides tightly the bill-board, for traditional fixed mode with the bill-board adhesion or bind on the grid tray, this kind of mounting means to the bill-board has promoted the labor efficiency when operating personnel installs the bill-board, the labor intensity is reduced, the stability of bill-board on the isolated gate has been promoted, the bill-board is difficult for breaking away from the isolated gate under extreme weather environment.

The present invention may be further configured in a preferred embodiment as: the limiting device comprises a circular ring shell, wherein the axis of the circular ring shell is fixed on the upper end face of the first cross beam and is vertical to the plane of the upper end face of the first cross beam; the inner part of the inlet at the upper end of the circular ring shell is fixedly provided with a butt ring, the bolt is connected with a pressure spring on the outer peripheral surface between the limiting ring and the butt ring in a sleeved mode, under the elastic action of the pressure spring, when the plane where the frame body is located is vertically arranged, the lower end of the bolt extends out of the through hole and is inserted into the counter bore.

Through adopting above-mentioned technical scheme, the bolt has been cup jointed to the inside of the ring casing of fixing at first crossbeam up end, the pressure spring has been cup jointed between the spacing ring on the bolt and the butt ring on the ring casing, under the spring action of pressure spring, the bolt keeps decurrent motion trend, the lower extreme of bolt stretches out the through-hole and inserts inside the counter bore in the framework, pin joint between cooperation framework and the riser, the realization is to the inside location of framework at the grid tray, the framework of location keeps vertical state, can not take place the upset, the stability of the framework that holds the bill-board has been promoted.

The present invention may be further configured in a preferred embodiment as: the clamping device comprises two pairs of wall holes formed in the upper and lower frames of the frame body, a shaft body is sleeved inside each wall hole, one end, far away from the bottom of the wall hole, of the shaft body is connected with an L-shaped clamping piece, the horizontal section of each clamping piece is connected with the wall of the corresponding wall hole in a sliding mode, and the vertical sections of the two groups of clamping pieces corresponding to the upper and lower sides of the clamping piece extend in opposite directions; and tension springs are sleeved on the peripheral surfaces of the shaft bodies, and two ends of each tension spring are fixedly connected with the end surface of the horizontal section of the clamping piece facing the hole bottom of the wall hole and the hole bottom of the wall hole respectively.

Through adopting above-mentioned technical scheme, the axis body is cup jointed to wall hole inside, compresses tightly to the inside bill-board of framework with axis body tip fixed connection's clamping piece, and under the effect of extension spring, vertical section on the clamping piece supports tightly with the back that holds the bill-board inside the framework, compresses tightly the bill-board to the inside of framework, has avoided the bill-board to drop from the back of framework when the framework rotates to vertical state.

The present invention may be further configured in a preferred embodiment as: the hinge points of the frame body and the vertical plates on the two sides are located in the middle of the vertical end faces, far away from the left frame and the right frame, of the frame body.

Through adopting above-mentioned technical scheme, the pin joint between framework and the stand is located the vertical intermediate position of framework left and right frame, and is articulated for the bottom and the riser of framework, selects vertical intermediate position with the pin joint, and the framework is when rotating to the horizontality, and the space that the framework occupied the main road is less, has reduced the influence to passing pedestrian, vehicle when installing the bill-board.

The present invention may be further configured in a preferred embodiment as: hinge holes with horizontal axes are formed in the middle positions of the vertical end faces, close to each other, of the two vertical plates, hinge columns which are collinear with the axes of the hinge holes are fixed on the vertical end faces of the left frame and the right frame of the frame body, and the hinge columns are rotatably connected with the hinge holes; and the hinged column is sleeved with a torsional spring, and two ends of the torsional spring are respectively fixed with the vertical plate and the frame body.

By adopting the technical scheme, the frame body is hinged with the vertical plates on the two sides, and the frame body can rotate to a horizontal position around a hinged point with the upright post, so that an operator can conveniently install the billboard in the frame body; the torsional spring cup joints on articulated post, the both ends of torsional spring are fixed with riser and framework, when the framework rotates to the horizontality, the torsional spring is twisted by the framework, the torsion of torsional spring increases, the torsion of torsional spring makes the framework have from the level to vertical state pivoted trend, the event will install the in-process that the framework of bill-board rotated to vertical state from the level, the torsion of torsional spring has tractive effect to the framework, and then reduced operating personnel and followed the intensity of labour of horizontal state to vertical state rotation process with the framework, labor efficiency has been promoted.

The present invention may be further configured in a preferred embodiment as: two ends of the vertical end surface of the first cross beam, which is deviated from the main path in the length direction, are fixed with limit blocks, and the lower end surfaces of the limit blocks extend out of the plane of the lower end surface of the first cross beam; when the frame body is in a vertical state, the back surface of the frame body is abutted to the vertical end face, close to the frame body, of the limiting block.

Through adopting above-mentioned technical scheme, the stopper sets up on the length direction's of first crossbeam the vertical terminal surface that deviates from the main road, when the framework that accomplishes the bill-board installation rotates to vertical state from the horizontality, the framework has the trend to keeping away from main road one side upset, the setting up of stopper makes the back and the stopper butt of the framework of vertical state, the stopper is spacing to the framework, avoided the framework to keep away from the barrier and kept away from the main road one side and taken place the upset, promoted the stability of framework.

The present invention may be further configured in a preferred embodiment as: an end cover is fixed on the upper end face of each bolt, and a second pull ring is fixed on the upper end face of each end cover.

Through adopting above-mentioned technical scheme, the up end at the bolt is fixed to the end cover, and the second pull ring is fixed on the end cover, and when the bill-board needs to be changed, need remove stop device spacing to the framework, breaks away from the counter bore in the framework with the lower extreme of bolt, when carrying out above-mentioned operation, operating personnel stretches into the second pull ring with the finger, and the pulling second pull ring makes the bolt break away from the counter bore in the framework, makes the framework remove spacingly, has promoted operating personnel's the convenience of changing the bill-board.

The present invention may be further configured in a preferred embodiment as: the frame body is provided with a handle towards the upper frame on one side of the main road.

Through adopting above-mentioned technical scheme, the setting up of handle is convenient for operating personnel to hold the handle and carries out the pulling of frame from vertical state to the horizontality and follow the promotion of horizontality to vertical state, and the operating personnel of being convenient for carries out the dismouting of advertisement, has promoted the convenience of operation.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the structure is characterized in that a group of grid plates are fixedly connected between two groups of columns, the two groups of columns play a supporting role for the grid plates, a plurality of vertical plates are fixedly connected between a first cross beam and a second cross beam on the grid plates, a frame body for containing the advertising board is installed between the vertical plates, the vertical middle positions of the left frame and the right frame of the frame body are hinged with the vertical plates, a limiting device on the first cross beam is fixedly inserted into a counter bore on the frame body in a vertical state, clamping pieces on the upper frame and the lower frame on the back of the frame body are abutted against the advertising board, through the structure, an operator can lay the frame body flat when installing the advertising board on the isolation grid, the limiting device fixes the frame body in a vertical state, the clamping pieces tightly abut against the advertising board inside the frame body, the phenomenon that the advertising board slides off from the inside of the frame body is avoided, the labor efficiency in the installation process is improved;

2. two groups of through holes are formed in the upper end face of the first cross beam, counter bores are formed in the upper frame of the frame body, and the axes of the through holes and the counter bores are collinear; a circular ring shell is fixed on a first cross beam at an inlet at the upper end of the through hole, a bolt is sleeved inside the circular ring shell, a limit ring is sleeved and fixed on the outer peripheral surface of the bolt, a butting ring is fixed on the inner peripheral surface of the inlet at the upper end of the circular ring shell, a pressure spring is sleeved on the outer peripheral surface of the bolt between the limit ring and the butting ring, the bolt moves downwards under the elastic action of the pressure spring, when the frame body rotates to a vertical position, the lower end of the bolt penetrates through the through hole to be inserted into the counter bore, the bolt fixedly connects the frame body with the first cross beam, the frame body for mounting the advertising board is limited, and the stability of;

3. the framework is provided with the torsional spring with the articulated position of riser on, the hinge hole has been seted up on the riser, the terminal surface is fixed with the hinge post about the framework, the hinge post rotates with the hinge hole to be connected, the torsional spring has been cup jointed on the hinge post, the both ends of torsional spring are fixed with riser and framework, when rotating the framework of vertical state horizontal state, the framework produces torsion to the torsional spring, under the effect of torsion, the framework has the motion trend of upwards pivoted, so when having installed the bill-board, the framework is rotated to vertical position under the torsion traction of torsional spring, the intensity of labour when having reduced operating personnel and rotating the framework, and the labor efficiency is improved.

Drawings

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

FIG. 2 is a schematic view of another perspective structure of the present embodiment;

FIG. 3 is a schematic structural view of the present example in which the frame body is laid flat;

FIG. 4 is a partial sectional view of the present embodiment;

FIG. 5 is an enlarged partial schematic view at A of FIG. 4;

FIG. 6 is an enlarged partial schematic view at B in FIG. 4;

FIG. 7 is a partial cross-sectional view of the position of the clamping member in this embodiment;

fig. 8 is a partially enlarged schematic view at C in fig. 7.

In the figure, 1, a grid plate; 11. a first cross member; 111. a limiting block; 112. a through hole; 12. a second cross member; 13. a vertical plate; 131. a hinge hole; 1311. a first column; 1312. a torsion spring; 2. a frame body; 21. a hinged column; 22. a second cylinder; 23. a counter bore; 24. a wall hole; 25. a shaft body; 251. a clamp member 252, a first tab; 26. a tension spring; 27. a handle; 3. a circular ring housing; 31. a butting ring; 32. a bolt; 321. an end cap; 322. a second tab; 33. a limiting ring; 34. a pressure spring; 4. a column; 41. a base; 411. anchor bolts; 42. a connecting plate; 5. a billboard.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a barrier for highway, including the stand 4 that is the cuboid on two sets of perpendicular to ground, stand 4 is close to road surface one end and installs base 41, is connected with four rag bolts 411 on the base 41, and each rag bolt 411 is fixed base 41 to the road surface. A group of grid plates 1 are arranged between the vertical end surfaces of the two groups of upright posts 4 which are close to each other, and the extension direction of the grid plates 1 is parallel to the main road; the grid plate 1 is rectangular, two ends of the grid plate 1 in the length direction are connected with two groups of upright posts 4, and connecting plates 42 for being connected with the grid plate 1 through bolts are fixed on the upright posts 4; grid plate 1 is including fixing first crossbeam 11 and the second crossbeam 12 of misplacing from top to bottom between two sets of stands 4, and rectangular shape is chooseed for use to first crossbeam 11 and second crossbeam 12, and first crossbeam 11 and second crossbeam 12 all are perpendicular to stand 4.

A plurality of vertical plates 13 parallel to the upright column 4 are fixed between the end surfaces of the first cross beam 11 and the second cross beam 12 close to each other, and each vertical plate 13 is perpendicular to the first cross beam 11 and the second cross beam 12 at the upper end and the lower end. The frame body 2 used for containing the advertising board 5 is arranged between the vertical plates 13 at the two ends of the grid plate 1 far away from the upright posts 4 at the ends, and the peripheral frame of the frame body 2 is in clearance fit with the first cross beam 11, the second cross beam 12 and the vertical plates 13 at the left side and the right side. A handle 27 is provided at a middle position of the upper frame of the frame body 2 on the side facing the main road.

Referring to fig. 2 and 3, a pair of limiting blocks 111 is fixed on a vertical end surface of the first beam 11 away from the main road, the limiting blocks 111 are cuboid, an upper end surface of the limiting blocks 111 is coplanar with an upper end surface of the first beam 11, and a lower end surface of the limiting blocks 111 extends out of a lower end surface of the first beam 11; when the frame body 2 is in the vertical state, the back surface of the frame body 2 abuts against the end surface of the part of the lower end surface of the stopper 111 extending out of the first beam 11, which is close to the main road.

The vertical position between the left frame and the right frame of the frame body 2 is hinged with the vertical plate 13 on each side, and the frame body 2 can rotate to the horizontal position around the hinged point with the vertical plate 13; the upper frame of the frame body 2 is provided with a pair of counter bores 23, and the axes of the counter bores 23 are vertical to the plane of the upper end surface of the upper frame of the frame body 2.

Referring to fig. 4 and 5, hinge holes 131 are horizontally formed in vertical middle positions of the adjacent vertical end surfaces of the two columns 4 hinged to the frame body 2, and the axes of the hinge holes 131 are perpendicular to the plane where the adjacent end surfaces of the two sets of vertical plates 13 are located; the vertical intermediate position of the vertical terminal surface that the frame was kept away from each other about 2 is fixed with hinge post 21, and the axis of hinge post 21 and the axis collineation of hinge hole 131, hinge post 21 peg graft and enter inside hinge hole 131 and be connected with hinge hole 131 rotation.

A first column 1311 is fixed at the bottom of the hinge hole 131, and the axis of the first column 1311 is parallel to the axis of the hinge hole 131; a second column 22 is fixed at the vertical middle position on the left and right frames of the frame body 2, and the axis of the second column 22 is parallel to the axis of the hinge column 21; the hinged column 21 is sleeved with a torsion spring 1312, two ends of the torsion spring 1312 are respectively hooked on the first column 1311 and the second column 22, when the frame body 2 rotates to one side of the main road, the second column 22 rotates to one side of the main road, the torsion spring 1312 is gradually twisted by the rotation of the second column 22, the torsion spring 1312 enables the second column 22 to rotate to one side far away from the main road, and then the flat frame body 2 rotates to the vertical state.

Referring to fig. 4 and 6, through holes 112 are formed in both sides, close to the upright column 4, of the upper end surface of the first beam 11, the through holes 112 penetrate through the upper and lower end surfaces of the first beam 11, and the axis of the through holes 112 is perpendicular to the plane where the upper end surface of the first beam 11 is located; a circular ring shell 3 is fixed on the first cross beam 11 at the inlet of the through hole 112, and the axis of the circular ring shell 3 is collinear with the axis of the through hole 112. A plug pin 32 is sleeved in the circular shell 3, a limiting ring 33 is sleeved and fixed on the outer peripheral surface of the plug pin 32, a butting ring 31 is fixed in the inlet at the upper end of the circular shell 3, and the inner peripheral surface of the butting ring 31 is butted with the outer peripheral surface of the plug pin 32; the plug 32 has a compression spring 34 fitted around the outer peripheral surface between the stopper ring 33 and the abutment ring 31, and both ends of the compression spring 34 are respectively abutted against the abutment ring 31 and the stopper ring 33.

When the pressure spring 34 makes the latch 32 move downwards under the action of the elastic force, and the frame body 2 finishes the installation of the billboard 5 and is in the vertical state, the latch 32 passes through the through hole 112 and the lower end of the latch is inserted into the counterbore 23. An end cover 321 is fixed on the upper end surface of the bolt 32, the end cover 321 is a cylinder, and a second pull ring 322 is fixed on the upper end surface of the end cover 321.

Referring to fig. 7 and 8, the frame 2 to which the signboard 5 is attached is in a vertical state, and the back surface of the frame 2 abuts against the stopper 111. A pair of wall holes 24 are formed in the upper and lower frames of the frame body 2, the wall holes 24 are rectangular spaces, a shaft body 25 is sleeved and slid inside the wall holes 24, a clamping element 251 is fixed at one end of the shaft body 25 far away from the bottom of the wall hole 24, and the clamping element 251 is L-shaped; the shaft body 25 is sleeved with a tension spring 26, and two ends of the tension spring 26 are respectively fixedly connected with the hole bottom of the wall hole 24 and the horizontal section of the clamping member 251. The shaft body 25 is pulled to one side of the bottom of the wall hole 24 by the tension spring 26, the vertical section of the clamping piece 251 is vertically downward and is abutted against the back of the billboard 5, and the vertical section of the clamping piece 251 is limited to the billboard 5. A first pull ring 252 is fixed to the end face of the vertical section of the clamping member 251 remote from the wall opening 24.

The implementation principle of the embodiment is as follows:

when the isolation fence for the highway is erected on a road, the base 41 is fixed on the road surface through the foundation bolts 411, the stand columns 4 are inserted into the base 41, the second stand column 4 is installed according to the length of the grid plate 1 by repeating the process, and after the group of stand columns 4 are installed, the two ends of the grid plate 1 are fixedly connected with the connecting plates 42 on the stand columns 4.

When the highway barrier is used for erecting the advertising board 5, an operator holds the second pull ring 322 to pull the bolt 32 upwards, the bolt 32 is separated from the counter bore 23 on the frame body 2, the frame body 2 is slightly turned outwards, and the bolt 32 is prevented from being inserted into the counter bore 23 again; then hold the handle 27, pull the frame body 2 to the horizontal position, the frame mouth of the frame body 2 is upwards, place the prefabricated bill-board 5 on the frame body 2, hold the first pull ring 252 to make the vertical section of the clamping piece 251 and the bill-board 5 abut, under the pulling force of the tension spring 26, the clamping piece 251 forms spacing to the bill-board 5, and the bill-board 5 is prevented from sliding off from the inside of the frame body 2.

After the installation of bill-board 5 on framework 2 is accomplished, hold handle 27, upwards overturn framework 2, stimulate second pull ring 322, rotate framework 2 to vertical position, inside bolt 32 pegged graft counter bore 23 on framework 2 under the elastic action of pressure spring 34, bolt 32 formed spacingly to framework 2, made the back and the stopper 111 butt of framework 2 simultaneously, had avoided the framework 2 that holds bill-board 5 to take place to rotate.

When the billboard 5 needs to be replaced, the second pull ring 322 is pulled to separate the bolt 32 from the counterbore 23 of the frame 2, the handle 27 on the frame 2 is held by hand to rotate the frame 2 to the horizontal state, the first pull ring 252 is pulled to release the position limitation of the clamping piece 251 on the back surface of the frame 2 to the billboard 5, and the billboard 5 in the frame 2 is taken out.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a highway is with barrier fence, includes stand (4) and two sets of stand (4) fixed connection's grid tray (1), its characterized in that: the grid plate (1) comprises a first cross beam (11) and a second cross beam (12) which are fixed between the upright posts (4) and staggered up and down, and the first cross beam (11) and the second cross beam (12) are parallel to the ground; a plurality of vertical plates (13) are vertically fixed between the end surfaces of the first cross beam (11) and the second cross beam (12) which are close to each other; a frame body (2) used for containing the advertising board (5) is arranged between the two vertical plates (13), and vertical frames on the left side and the right side of the frame body (2) are hinged with the vertical plates (13) on the two sides; through holes (112) are vertically formed in both ends of the upper end face of the first cross beam (11), two counter bores (23) are vertically formed in the upper end face of the upper frame of the frame body (2), and limiting devices used for being fixedly connected with the counter bores (23) in an inserting mode are installed in each through hole (112); the upper frame and the lower frame on the back of the frame body (2) are respectively provided with a pair of clamping devices for clamping and positioning the advertising board (5).

2. The isolation barrier for roads of claim 1, wherein: the limiting device comprises a circular ring shell (3) which is fixed on the upper end face of the first cross beam (11) and the axis of which is vertical to the plane of the upper end face of the first cross beam (11), a bolt (32) is sleeved inside the circular ring shell (3), a limiting ring (33) which is fixed on the outer peripheral surface of the bolt (32) and the plane of which is vertical to the axis of the bolt (32) is sleeved, and the outer peripheral surface of the limiting ring (33) is abutted against the inner peripheral surface of the circular ring shell (3); a butting ring (31) is fixed in the inlet at the upper end of the circular ring shell (3), and a pressure spring (34) is sleeved on the outer peripheral surface of the bolt (32) between the limiting ring (33) and the butting ring (31); under the elastic force action of the pressure spring (34), when the plane where the frame body (2) is located is vertically arranged, the lower end of the plug pin (32) extends out of the through hole (112) and is inserted into the counter bore (23).

3. The isolation barrier for roads of claim 1, wherein: the clamping device comprises two pairs of wall holes (24) formed in the upper frame and the lower frame of the frame body (2), a shaft body (25) is sleeved inside each wall hole (24), one end, far away from the hole bottom of each wall hole (24), of each shaft body (25) is connected with an L-shaped clamping piece (251), the horizontal section of each clamping piece (251) is connected with the hole wall of each wall hole (24) in a sliding mode, and the vertical sections of the two groups of clamping pieces (251) which correspond to each other up and down extend in opposite directions; and the peripheral surface of each shaft body (25) is sleeved with a tension spring (26), and two ends of each tension spring (26) are respectively fixedly connected with the end surface of the horizontal section of the clamping piece (251) facing the hole bottom of the wall hole (24) and the hole bottom of the wall hole (24).

4. The isolation barrier for roads of claim 1, wherein: the hinge points of the frame body (2) and the vertical plates (13) on the two sides are located in the middle of vertical end faces, far away from the left frame and the right frame of the frame body (2), of the frame body.

5. The isolation barrier for roads of claim 1, wherein: hinge holes (131) with horizontal axes are formed in the middle positions of the vertical end faces, close to each other, of the two vertical plates (13), hinge columns (21) collinear with the axes of the hinge holes (131) are fixed on the vertical end faces of the left frame and the right frame of the frame body (2), and the hinge columns (21) are rotatably connected with the hinge holes (131); a torsion spring (1312) is sleeved on the hinged column (21), and two ends of the torsion spring (1312) are respectively fixed with the vertical plate (13) and the frame body (2).

6. The isolation barrier for roads of claim 1, wherein: two ends of a vertical end face, deviating from the main road, of the first cross beam (11) in the length direction are fixed with limit blocks (111), and the lower end faces of the limit blocks (111) extend out of a plane where the lower end face of the first cross beam (11) is located; when the frame body (2) is in a vertical state, the back surface of the frame body (2) is abutted against the vertical end surface of the limiting block (111) close to the frame body (2).

7. The isolation barrier for roads of claim 2, wherein: an end cover (321) is fixed on the upper end face of each plug pin (32), and a second pull ring (322) is fixed on the upper end face of each end cover (321).

8. The isolation barrier for roads of claim 1, wherein: the upper frame of one side of the frame body (2) facing the main road is provided with a handle (27).

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