CN113463545B

CN113463545B - Highway safety protective guard and construction process thereof

Info

Publication number: CN113463545B
Application number: CN202110585499.7A
Authority: CN
Inventors: 陈圣平; 黄惠珊; 彭叶芬; 黄增柱; 罗淑珍
Original assignee: Guangzhou Taoyuan Landscape Engineering Co ltd
Current assignee: Guangzhou Taoyuan Landscape Engineering Co ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2022-04-26
Anticipated expiration: 2041-05-27
Also published as: CN113463545A

Abstract

The utility model relates to a highway safety protective guard and construction process thereof belongs to the technical field of highway protective guard, and it includes a plurality of interval distribution's stand, all is equipped with breast board, each between per two adjacent stands all be equipped with positioning element and fixed part on the stand, the breast board is connected between positioning element and fixed part, fixed part is used for breast board and the stand fixed connection that corresponds, just breast board accessible positioning element slides along self length direction on the stand. In the process of installing the breast board, the breast board can slide on the stand column through the positioning component, and when the breast board is positioned, constructors do not need to keep the state of lifting the breast board for a long time, so that the construction difficulty and the labor intensity of the constructors are reduced, and the construction efficiency is improved.

Description

Highway safety protective guard and construction process thereof

Technical Field

The application relates to the field of expressway guard rails, in particular to an expressway safety guard rail and a construction process thereof.

Background

The safety protective guard is used for preventing a vehicle running at a high speed from rushing out of a lane, absorbing energy generated during vehicle collision, reducing the damage degree of the vehicle and guaranteeing the safety of passengers in the vehicle, and is an essential safety protection measure on each expressway.

At present, the rail guard is in the work progress, can adopt earlier to the stand pile fixed, then fix the mode between two adjacent stands with the guardrail, when the guardrail is fixed between two adjacent stands, can align the one end of guardrail and one of them stand earlier, align the other end of guardrail and another stand again, whole work progress needs constructor to keep the state of lifting up the guardrail, nevertheless because the whole weight of single guardrail is great, length is longer, it is more difficult to adjust the relative position of guardrail and stand, not only the efficiency of construction is low, constructor's intensity of labour is also great.

Disclosure of Invention

In order to improve the construction efficiency of the safety protective guard on the expressway and reduce the labor intensity of constructors, the application provides the safety protective guard for the expressway and the construction process thereof.

In a first aspect, the present application provides a highway safety guard rail, which adopts the following technical solutions:

a highway safety protective guard comprises a plurality of stand columns which are distributed at intervals, a breast board is arranged between every two adjacent stand columns, each stand column is provided with a positioning part and a fixing part, the breast board is connected between the positioning part and the fixing part, and the fixing part is used for fixedly connecting the breast board with the corresponding stand column; the positioning component comprises a connecting plate arranged on the stand column, a fixed shaft fixedly arranged on the connecting plate, and two pulleys sleeved on the fixed shaft and rotatably connected with the fixed shaft, wherein each pulley is provided with a positioning groove on the circumferential surface, the end parts of two breast boards connected with the same stand column are respectively abutted against the tops of the two pulleys, and the edge of the bottom of each breast board is embedded in the positioning groove.

By adopting the technical scheme, in the process of installing the protective guard, after the upright post is fixed, a constructor lifts the breast board and then places the breast board on the pulley, embeds the bottom of the breast board into the positioning groove corresponding to the pulley, positions the breast board by using the positioning groove and supports the breast board on one side of the upright post; then the breast board is pulled to move towards one side of the other upright post until the breast board abuts against a pulley of the other upright post, so that the breast board is positioned between the two upright posts; and finally, connecting the breast board and the upright post together by using a fixing part. Under the effect of pulley in the locating part, make constructor need not to keep the state of lifting up the breast board for a long time, the location between breast board and two adjacent stands of being convenient for has reduced constructor's participation in the work progress, reduces the construction degree of difficulty, improves the efficiency of construction.

Optionally, two pulleys are distributed at intervals along the axial direction of the fixed shaft.

Through adopting above-mentioned technical scheme, in the work progress, in two breast boards of being connected with same stand, preceding breast board is fixed the back, and the breast board of follow-up installation can drive rather than the complex pulley rotation when moving on the pulley, and two pulleys are not contacted each other, can not produce relative friction between two pulleys, also can be with two breast board interval location on the same stand, make two breast boards can not contact and produce the friction when relative movement.

Optionally, the number of the pulleys on each fixed shaft is two, and the end portions of the two breast boards connected with the same upright post are respectively abutted to the two pulleys in one fixed shaft.

Through adopting above-mentioned technical scheme, place the breast board simultaneously on a plurality of pulleys of placing side by side, make the breast board receive two strong points simultaneously to improve the support intensity of pulley to the breast board, the required holding power that provides when making constructor pulling breast board remove is less, further reduces constructor's intensity of labour.

Optionally, a connecting screw is fixedly arranged on one side of the connecting plate close to the upright post, the connecting screw penetrates through the upright post and is in threaded connection with a locking nut, and the locking nut abuts against the upright post; and an elastic piece in a compressed state is arranged between the connecting plate and the upright post.

Through adopting above-mentioned technical scheme, the elastic component can exert a thrust of keeping away from the stand direction to the connecting plate, and connecting screw receives lock nut's restriction unable normal direction of keeping away from the direction removal of stand, consequently the connecting plate position remains stable, in the breast board is at the location process, the phenomenon that the breast board can't align with the pulley on the follow-up stand appears, lock nut can be rotated, make connecting screw move on the stand, change the interval of connecting plate and stand, make the butt that the breast board can be accurate to the pulley on, the convenient location to the breast board that has more. Meanwhile, under the action of the elastic piece, if the breast board is subjected to the impact force of the vehicle, the breast board can move towards the direction close to the upright post and compress the elastic piece, so that the elastic piece absorbs part of the impact force, and the protective effect of the protective guard on the vehicle is improved.

Optionally, the both sides that the stand is relative all set firmly with connecting screw rod axis vertically butt joint board, lock nut and elastic component butt respectively on the lateral wall that two butt joint boards kept away from each other.

Through adopting above-mentioned technical scheme, the butt plate can increase the area of contact of lock nut or elastic component and stand, improves the fixed effect of lock nut and elastic component to connecting screw.

Optionally, the fixing component includes a fixing plate disposed on one side of the upright column close to the breast boards, a support disposed on one side of the fixing plate, and a fastening bolt disposed on the fixing plate and connected to the two breast boards; the supporting body is located between the two breast boards on the same fixed shaft, and the supporting body abuts against the side walls, close to each other, of the two breast boards at the same time.

By adopting the technical scheme, after the two breast boards on the same upright post are positioned, the support body is placed between the two breast boards and is supported on the side walls of the two breast boards which are close to each other; then use fastening bolt to pass in proper order and be connected with the fixed plate after two breast boards again, make two breast boards fixed on the fixed plate simultaneously, realize the connection of breast board and stand. Under the effect of supporter, make two breast boards can't do the removal that is close to each other, the phenomenon that the in-process that fastening bolt screwed to move caused the breast board to warp is difficult to appear, has effectively guaranteed the structural strength of breast board.

Optionally, an arc-shaped plate is fixedly arranged on one side, close to the breast board, of the fixing plate, the shape of the arc-shaped plate is matched with that of the breast board, and one side, far away from the fixing plate, of the arc-shaped plate is completely attached to the side wall of the breast board.

Through adopting above-mentioned technical scheme, the arc can increase the area of contact of fixed plate and breast board, improves the fixed effect of fixed plate and two breast boards, strengthens the joint strength of two adjacent breast boards.

Optionally, a fixing screw rod is fixedly arranged on one side, close to the stand column, of the fixing plate, the fixing screw rod penetrates through the stand column and is in threaded connection with a fixing nut, a positioning nut is in threaded connection with one side, far away from the fixing screw rod, of the fixing screw rod, and the fixing nut and the positioning nut are in butt connection with the stand column.

Through adopting above-mentioned technical scheme, after the position of breast board is confirmed, if there is the interval between fixed plate and the breast board, the position of adjustment fixation nut and set nut on clamping screw, the interval of adjustment fixed plate and stand that can be corresponding to this offsets the position error that produces in the work progress, makes the fixed plate better with the stability of being connected of two breast boards.

Optionally, the support body comprises an adjusting screw, two support plates respectively located at two opposite sides of the adjusting screw, and two adjusting plates arranged on the screw; the two adjusting plates are respectively positioned on two sides of the support plate along the axial direction of the adjusting screw rod, one of the adjusting plates is rotationally connected with the adjusting screw rod, the other adjusting plate is in threaded connection with the adjusting screw rod, one of the adjusting plates is fixedly connected with the bottom plate, and the bottom plate is fixedly arranged on one side of the connecting plate, which is far away from the upright column and is a flat plate which is horizontally arranged; the backup pad all articulates along adjusting screw axial both ends has the connecting rod, the one end that the backup pad was kept away from to the connecting rod is articulated with the regulating plate that corresponds one side.

By adopting the technical scheme, when the adjusting screw rod is rotated, the distance between the two adjusting plates can be changed, the connecting rod hinged with the adjusting plates is driven to move, and the two supporting plates can also move along with the movement of the connecting rod, so that the two supporting plates can move in the directions close to or away from each other; after putting into two breast boards with the supporter between, adjust the interval of two backup pads, make the butt that two backup pads can be accurate on two breast boards to can adjust the thrust that two backup pads were applyed two breast boards at bolted connection's in-process, make the joint strength of fixed plate and two breast boards better through the cooperation of bolt and supporter.

On the other hand, the application also provides a construction process of the highway safety protective guard, which adopts the following technical scheme:

a construction process of a highway safety protective guard comprises the following construction steps:

s1, marking the fixed positions of the upright posts on the two sides of the highway;

s2, dividing constructors into three groups, and setting the three groups as a first group, a second group and a third group;

s3, piling and fixing the upright posts by a first group of constructors according to the marks;

s4, after the first group of constructors fix the upright posts at a certain distance, the second group of constructors install the breast boards, when installing the breast boards, the pulling plates are lifted up and placed on the positioning parts, then the breast boards are pulled, so that the breast boards slide on the positioning parts until the breast boards move to the positioning parts on the other upright posts, and then the step is repeated to install all the subsequent breast boards;

and S5, fixing the positioned breast boards and the upright posts together by the third group of constructors by using the fixing parts until all the upright posts and the breast boards are fixed.

By adopting the technical scheme, three groups of constructors construct different positions of the guard rail simultaneously, management is convenient, the installation process of the breast board is simple and convenient by utilizing the positioning part and the fixing part, the number of the constructors needing to participate in each step is small, the three groups of constructors do not interfere with each other, construction difficulty is reduced, and construction efficiency is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. in the process of installing the breast board, the breast board can slide on the upright post through the positioning component, so that the breast board is positioned, and a constructor does not need to keep the state of lifting the breast board for a long time, thereby reducing the construction difficulty and the labor intensity of the constructor and improving the construction efficiency;

2. the positions of the fixing part and the positioning part on the upright post can be adjusted, so that the connection with the breast board is not easily influenced by position errors in the construction process of the upright post, and the construction convenience is further improved;

3. when fixing the breast board, utilize the supporter to support between two breast boards, make the breast board be difficult for at bolted connection's in-process compression deformation, when improving the joint strength of stand and breast board, still guaranteed that the structural strength of breast board self is higher.

Drawings

Fig. 1 is a schematic view showing a structure of a guard rail in an embodiment of the present application.

FIG. 2 is a partial view showing the relative positions of the post, breast plate, positioning member and securing member.

FIG. 3 is a cross-sectional view showing the connection relationship between the balustrade and the positioning member and the fixing member.

FIG. 4 is a partial exploded view showing the connection of the balustrade to the pulley, the stationary shaft and the pulley arrangement.

Fig. 5 is an exploded view showing a connection relationship between the positioning member and the fixing member and the pillar.

FIG. 6 is a partial broken away view showing the connection of the support body to the two fenders.

Fig. 7 is a partial exploded view showing a connection relationship between the support body and the connection block.

Description of reference numerals: 1. a column; 11. a butt joint plate; 2. a breast board; 3. a positioning member; 31. a connecting plate; 311. a base plate; 312. an end plate; 313. a rib plate; 314. connecting blocks; 315. a connecting bolt; 32. a fixed shaft; 33. a pulley; 331. positioning a groove; 34. connecting a screw rod; 35. locking the nut; 36. an elastic member; 4. a fixing member; 41. a fixing plate; 42. fixing the screw rod; 43. fixing a nut; 44. positioning a nut; 45. an arc-shaped plate; 451. a diagonal bracing plate; 46. fastening a bolt; 47. a support body; 471. adjusting the screw rod; 472. a support plate; 473. an adjusting plate; 474. a connecting rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses highway safety protective guard.

Referring to fig. 1 and 2, the safety guard rail comprises a plurality of upright posts 1 and a plurality of breast boards 2, wherein the upright posts 1 are used for being fixed on one side of the highway, all the upright posts 1 are arranged at intervals along the pavement direction of the highway, and the interval between every two adjacent upright posts 1 is consistent; each upright post 1 is provided with a positioning part 3 and a fixing part 4, the breast board 2 is positioned between two adjacent upright posts 1, the end part of the breast board 2 is positioned on one side of the upright post 1 through the positioning part 3, and meanwhile, the end part of the breast board 2 is fixedly connected with the upright post 1 through the fixing part 4, so that the breast board 2 is supported on one side of a highway by the upright post 1, and safety guarantee is provided for the passing of vehicles on the highway.

Referring to fig. 3, the upright post 1 is made of a circular tube with a hollow interior, so that the upright post 1 has a relatively high structural strength while having a relatively low weight, and provides a stable supporting function for the installation of the breast board 2. The bottom end of the stand column 1 can be fixed to one side of the highway in a piling or concrete pouring mode, and the top end of the stand column 1 is closed to prevent rainwater or other sundries from falling into the inside of the stand column 1, so that the inside of the stand column 1 is not easy to rust and the like.

Referring to fig. 3, the breast board 2 is a waveform guardrail, which has strong capabilities of absorbing collision energy and preventing collision, and can reduce impact force generated when a vehicle collides with the breast board 2 after the vehicle accident as much as possible, thereby ensuring the safety of the vehicle and passengers in the vehicle.

Referring to fig. 3 and 4, the positioning member 3 includes a connecting plate 31, a fixed shaft 32 and a pulley 33, the connecting plate 31 is a flat plate vertically placed, and the connecting plate 31 is located on one side of the upright post 1 close to the breast board 2. The side of the connecting plate 31 far away from the upright post 1 is fixedly provided with a bottom plate 311, the bottom plate 311 is a flat plate which is horizontally placed, one end of the bottom plate 311 far away from the connecting plate 31 is fixedly provided with an end plate 312, the end plate 312 is parallel to the connecting plate 31, and two rib plates 313 are fixedly welded between the connecting plate 31 and the bottom plate 311 to reinforce the connecting strength of the connecting plate 31 and the bottom plate 311. The axis of the fixed shaft 32 is perpendicular to the axis of the connecting plate 31, the fixed shaft 32 is located above the bottom plate 311, two ends of the fixed shaft 32 in the axial direction are fixedly connected with the connecting plate 31 and the end plate 312 respectively, the pulleys 33 are sleeved on the fixed shaft 32 and rotatably connected with the fixed shaft 32, the number of the pulleys 33 on each fixed shaft 32 is two, the two pulleys 33 on the same fixed shaft 32 are distributed at intervals in the axial direction of the fixed shaft 32, positioning grooves 331 are formed in the circumferential surface of each pulley 33, and the positioning grooves 331 are formed in the circumferential direction of each pulley 33.

Referring to fig. 3, the end portions of the two balustrades 2 connected to the same column 1 respectively correspond to the two pulleys 33 on the fixed shaft 32, and the bottom edge of each balustrade 2 is embedded in the positioning groove 331 of the corresponding pulley 33 and abuts against the pulley 33, so that the end portions of the two balustrades 2 connected to the same column 1 are also spaced apart from each other along the axial direction of the fixed shaft 32. Under the action of the pulley 33 and the positioning groove 331, the distance between the breast board 2 and the upright post 1 and the height of the breast board 2 are positioned.

The breast board 2 can slide on the pulley 33 along the length direction of the breast board 2 through the rotation of the pulley 33, when the breast board 2 is installed, after a constructor can lift the breast board 2, the middle part of the bottom edge of the breast board 2 is embedded into the positioning groove 331 of the pulley 33, and the breast board 2 is positioned and supported by the pulley 33; then the constructor drags the breast board 2 again, makes the breast board 2 move to the rear column 1 side, until imbeds the other end of the breast board 2 in the constant head tank 331 of the pulley 33 on the column 1 behind, and this moment the breast board 2 is supported on two adjacent columns 1, then use fixed part 4 to connect breast board 2 and column 1 can.

In the work progress, most weight of breast board 2 is shared by pulley 33, although when the tip of breast board 2 removed to when far away with pulley 33's interval, 2 tip of breast board can be flagging because of the action of gravity, constructor need mention 2 tip of breast board and make its removal, but 2 tip of breast board can be by the outrigger after removing to another stand 1, constructor need not to keep for a long time keeping the state of lifting up breast board 2, made things convenient for the location between breast board 2 and two adjacent stands 1, reduce the construction degree of difficulty and constructor's intensity of labour, accelerate the efficiency of construction.

The two pulleys 33 on the fixed shaft 32 can also position the distance between two adjacent breast boards 2, and the distance between the two breast boards 2 is set, so that the breast board 2 fixed previously cannot interfere with the movement on the pulleys 33 when the subsequent breast board 2 is installed.

Referring to fig. 4, the number of the fixed shafts 32 in each fixed member 4 is two, the two fixed shafts 32 are distributed at intervals along the length direction of the balustrade 2, two pulleys 33 are provided on each fixed shaft 32, and the end of each balustrade 2 abuts against the pulley 33 on the same side of the two fixed shafts 32. Two pulleys 33 provide two spaced support points to breast board 2 simultaneously, make breast board 2 be difficult for inclining under gravity, also can share more breast board 2's weight, also more smoothly when making constructor drag breast board 2 and remove. The number of the fixed shafts 32 is not limited to two, but may be three, four or more, and the more the pulleys 33 support the balustrade 2, the better.

Referring to fig. 3 and 5, the positioning member 3 further includes a connecting screw 34, a lock nut 35 and an elastic member 36, the connecting screw 34 is located on a side of the connecting plate 31 away from the pulley 33, an axis of the connecting screw 34 is perpendicular to the connecting plate 31, and an end of the connecting screw 34 is fixedly connected to the connecting plate 31. One end of the connecting screw 34 far away from the connecting plate 31 penetrates through the upright 1 and extends to one side of the upright 1 far away from the connecting plate 31, the locking nut 35 is in threaded connection with one end of the connecting screw 34 far away from the connecting plate 31, and the locking nut 35 abuts against one side of the upright 1 far away from the connecting plate 31. The connecting plate 31 is spaced from the column 1, the elastic member 36 is installed between the connecting plate 31 and the column 1, and the elastic member 36 is in a compressed state, so that the elastic member 36 applies a pushing force to the connecting plate 31 in a direction away from the column 1.

The elastic member 36 causes the connecting plate 31, the connecting screw 34, and the lock nut 35 to receive a pushing force in a direction away from the column 1 from the connecting plate 31, and the lock nut 35 abuts against the column 1, so that the connecting screw 34 cannot move by the elastic force of the elastic member 36, and the connecting plate 31 is fixed to the column 1.

When constructor drags breast board 2 and is connected with the stand 1 at rear, if lead to breast board 2 unable and the pulley 33 butt that corresponds the position because of the construction position error, can rotate lock nut 35 this moment, make lock nut 35 drive the screw rod and remove, change the interval of connecting plate 31 and stand 1, make pulley 33 can be accurate with the cooperation of breast board 2, do not influence the installation of stand 1 and breast board 2 because of the position error that produces in the 1 construction process of stand.

Referring to fig. 2, because the circumferential surface of the column 1 is a cylindrical surface, the stability of the lock nut 35 directly abutting on the circumferential surface of the column 1 is poor, so that two abutting plates 11 are welded and fixed on the column 1, the two abutting plates 11 are respectively located on two opposite side walls of the column 1, the abutting plates 11 are parallel to the connecting plate 31, the abutting plates 11 are tangent to the cylindrical surface of the column 1, the lock nut 35 and the elastic member 36 are respectively connected with the two abutting plates 11, and the connection stability of the lock nut 35 and the elastic member 36 is improved.

In this embodiment, the number of the connecting screws 34 is two, and the two connecting screws 34 are spaced apart from each other along the axial direction of the column 1, so that the connecting screws 34 have a better predetermined effect on the connecting plate 31, but the number of the connecting screws 34 is not limited to two, and may be more than two.

The elastic element 36 is a gas spring, one end of the gas spring is fixed on the connecting plate 31, the other end of the gas spring abuts against the abutting plate 11 on the upright post 1, and the elastic element 36 can also adopt a mechanical spring with larger elasticity, so that the fixing effect on the connecting plate 31 can be realized.

Referring to fig. 3 and 5, the fixing part 4 includes a fixing plate 41, a fixing screw 42, a fixing nut 43 and a positioning nut 44, the fixing plate 41 is located above the connecting plate 31, and the fixing plate 41 and the connecting plate 31 are parallel to each other and spaced apart from the column 1. The fixing screw 42 is fixedly arranged on the side wall of the fixing plate 41 close to the upright post 1, the axis of the fixing screw 42 is perpendicular to the fixing plate 41, and one end of the fixing screw 42 far away from the fixing plate 41 penetrates through the upright post 1. The fixing nut 43 and the positioning nut 44 are both screwed on the fixing screw rod 42, the positioning nut 44 is abutted on one side of the upright post 1 close to the fixing plate 41, the fixing nut 43 is abutted on one side of the upright post 1 far away from the fixing plate 41, and the fixing nut 43 and the positioning nut 44 are clamped on the upright post 1, so that the fixing screw rod 42 and the fixing plate 41 are fixed on the upright post 1. In the same way, two abutting plates 11 are welded at the positions where the upright 1 is connected with the fixing screw rods 42, so that the connection stability of the fixing nuts 43 and the locking nuts 35 is improved.

Referring to fig. 3, an arc plate 45 is disposed on a side of the fixing plate 41 away from the column 1, and two inclined supporting plates 451 are fixedly disposed between the arc plate 45 and the fixing plate 41, so that the arc plate 45 is fixedly connected to the fixing plate 41. In two breast board 2 tip on being located same stand 1, the breast board 2 that is close to stand 1 one side is in the same place with arc 45 butt, and the arc profile of arc 45 is unanimous with the wave form profile of breast board 2, makes arc 45 and breast board 2 laminating together. The fixing part 4 further comprises a plurality of fastening bolts 46, the fastening bolts 46 penetrate through the two breast boards 2 and the arc-shaped plates 45, and fix the two breast boards 2 and the arc-shaped plates 45 together, so that the breast boards 2 are fixed on the fixing plate 41, and the purpose of fixing the two breast boards 2 and the upright post 1 is achieved.

Moreover, the distance between the fixing plate 41 and the upright post 1 can be adjusted by adjusting the positions of the fixing nut 43 and the positioning nut 44 on the fixing screw rod 42, so that the arc-shaped plate 45 can be accurately abutted to the breast board 2; and two breast boards 2 are positioned only by the position of the pulley 33, and the fixing plate 41 is only matched with the position of the breast board 2, so that the construction mode is simpler and more convenient.

In this embodiment, the number of the fixing screws 42 is also two, and the two fixing screws 42 are also distributed at intervals along the axial direction of the column 1, so that the fixing effect of the fixing plate 41 is better, and certainly, the number of the fixing screws 42 can be larger.

But because there is the space because of setting up of pulley 33 between two breast boards 2, if directly use fastening bolt 46 to connect, force two breast boards 2 laminates, can lead to deformation to appear in breast board 2, influence the structural strength of breast board 2 self, do not also do benefit to the fixed of breast board 2. Therefore, referring to fig. 3, the fixing part 4 further includes a supporting body 47, the supporting body 47 is located between the ends of the two side plates 2 on one side of the same column 1, and the supporting body 47 is used for being supported in the gap between the two side plates 2, so that the connection strength of the fastening bolt 46 can be ensured to be high, and the side plates 2 are not deformed.

Referring to fig. 6 and 7, the supporting body 47 includes an adjusting screw 471, two supporting plates 472 and two adjusting plates 473, the axis of the adjusting screw 471 is parallel to the axis of the upright 1, the two supporting plates 472 are respectively located at two opposite sides of the adjusting screw 471, and the supporting plates 472 are parallel to the fixing plate 41. The adjusting plate 473 is perpendicular to the fixing plate 41, the two adjusting plates 473 are respectively located at two sides of the supporting plate 472 along the axial direction of the adjusting screw 471, the adjusting plate 473 located at the lower side is rotatably connected with the adjusting screw 471, and the adjusting plate 473 located at the upper side is in threaded connection with the adjusting screw 471. Both ends of the supporting plate 472 in the axial direction are hinged with connecting rods 474, the two connecting rods 474 on the supporting plate 472 are in one-to-one correspondence with the two adjusting plates 473, and one end of each connecting rod 474, which is far away from the supporting plate 472, is hinged with the adjusting plate 473 on the corresponding side.

Referring to fig. 6 and 7, the connecting block 314 is fixedly disposed on the top surface of the bottom plate 311, the connecting block 314 is located between the two fixed shafts 32, and the connecting block 314 is not in contact with the pulleys 33 on both sides. The adjusting plate 473 located below abuts against the top surface of the connecting block 314, two connecting bolts 315 are arranged on the bottom plate 311, the connecting bolts 315 sequentially penetrate through the bottom plate 311, the connecting block 314 and the adjusting plate 473 from the bottom plate 311, the connecting bolts 315 are in threaded connection with the adjusting plate 473, the adjusting plate 473 located below is fixed on the connecting block 314, the two support plates 472 are located in the gap between the two breast boards 2, the two support plates 472 abut against the side walls, close to each other, of the two breast boards 2 respectively, the support plates 472 abut against the wave-shaped protruding end portions of the breast boards 2, interference caused by the shapes of the breast boards 2 is avoided, and therefore the supporting effect is achieved in the gap between the two breast boards 2.

Moreover, when the adjusting screw 471 is rotated, since the position of the adjusting plate 473 at the lower side is fixed, the adjusting plate 473 at the upper side moves on the adjusting screw 471 to change the distance between the two adjusting plates 473, and the connecting rod 474 drives the two supporting plates 472 to move, so that the two supporting plates 472 move in the direction of approaching to or separating from each other, that is, the distance between the two supporting plates 472 can be changed.

Before connecting two breast boards 2 by using the fastening bolt 46, the distance between the two support plates 472 is reduced, then the two breast boards 2 are placed in between, the lower adjusting plate 473 is fixed on the connecting block 314 by using the connecting bolt 315, the adjusting screw 471 is rotated, the distance between the two support plates 472 is increased, and the support plates 472 are gradually abutted to the corresponding breast boards 2. After the distance between the two supporting plates 472 is adjusted, the fastening bolt 46 is used for connecting the two breast boards 2, and the distance between the two supporting plates 472 is continuously adjusted in the connecting process, so that the connecting bolt 315 fixes the two breast boards 2 at the most appropriate positions, and the fixing effect of the breast boards 2 is improved.

The implementation principle of the highway safety protective guard of the embodiment of the application is as follows: when installing breast board 2 on stand 1, earlier with breast board 2 location on the pulley 33 of front stand 1, then drag the tip of breast board 2 to the pulley 33 on the stand 1 of rear, utilize pulley 33 on two stands 1 to fix a position the both ends of breast board 2, make constructor's more rapid relative position of having adjusted breast board 2 and stand 1, be convenient for fix breast board 2 and stand 1, the degree of difficulty and constructor's intensity of labour of safety protective guard construction have been reduced, accelerate the efficiency of construction.

The application also discloses a construction process of the highway safety protective guard.

The construction steps of the safety protective guard are as follows:

and S1, measuring the fixed positions of the upright posts 1 on the two sides of the expressway according to the length of the breast board 2 and the relative position of the breast board 2 connected with the upright posts 1, and marking and drawing lines.

And S2, dividing the constructors into three groups respectively, and naming the three groups as a first group, a second group and a third group respectively.

S3, driving and fixing each upright post 1 by a first group of constructors according to the mark points of the upright post 1 in the step S1 by using a pile driver, and enabling the length of each upright post 1 buried underground to be consistent; if the embedding depth of the upright post 1 is too large during piling, the upright post 1 needs to be pulled out, soil is backfilled into a hole left in the ground, and then piling is carried out again.

And S4, after the first group of constructors fix more than ten upright posts 1, the second group of constructors start to install the sideboard 2.

In the installation, place after lifting up breast board 2 on the pulley 33 that corresponds stand 1 to make 2 bottom edges of breast board in the constant head tank 331 on embedding pulley 33, tentatively fix a position breast board 2, then constructor removes one end of breast board 2 to 1 one side of a back stand, removes the state that the in-process keeps lifting up 2 tip of breast board, does not hang down because of the action of gravity when making 2 tip of breast board far away from pulley 33. When the breast board 2 moves to the post 1 at the rear, the bottom of the breast board 2 is embedded into the positioning groove 331 on the pulley 33 of the post 1 at the rear, and the breast board 2 is positioned between the two posts 1.

If the breast board 2 can not align with the pulley 33 on the upright post 1 when moving to the upright post 1 at the rear, another constructor rotates the locking nut 35 on the upright post 1 to adjust the distance between the connecting plate 31 and the upright post 1 until the pulley 33 aligns with the breast board 2.

The second group of constructors repeat the operation, each baffle plate 2 is sequentially positioned between the two fixed adjacent upright posts 1, and the two adjacent baffle plates 2 are positioned according to the positions of the pulleys 33, so that the adjacent baffle plates 2 are distributed at intervals until the baffle plates 2 are positioned on the last upright post 1.

And S5, when the second group of constructors determine the positions of the front two breast boards 2, the third group of constructors sequentially connect and fix each upright post 1 and each breast board 2.

When connecting stand 1 and two breast boards 2 that fix a position, adjust fixing screw 42 earlier on fixation nut 43 and set nut 44's position, change the interval of arc 45 and stand 1, make arc 45 laminate completely on breast board 2.

Then, the adjusting screw 471 is rotated to reduce the distance between the two supporting plates 472 in the supporting body 47, the supporting body 47 is placed between the two balustrades 2, and the adjusting plate 473 located below in the supporting body 47 is fixed to the connecting block 314 by the connecting bolt 315. Then, the adjusting screw 471 is rotated again to increase the distance between the two supporting plates 472, so that the two supporting plates 472 abut against the two balustrades 2 at the same time, and the supporting body 47 is supported in the gap between the two balustrades 2. Finally, the two breast boards 2 are fixed on the arc-shaped plate 45 by using the fastening bolts 46, and in the process of screwing the fastening bolts 46, the distance between the two supporting plates 472 is continuously adjusted, so that the two breast boards 2 are in a parallel state after being fixed.

Likewise, the third group of constructors repeats the above-mentioned operating steps until the last sideboard 2 is fixed to the last upright 1.

The implementation principle of the construction process of the highway safety protective guard in the embodiment of the application is as follows: in the construction process, three groups of constructors synchronously carry out different construction steps, so that the construction process is convenient to control and manage. When fixing breast board 2, utilize pulley 33's positioning action, make constructor can be quick adjust 2 both ends of breast board and the relative position relation of two adjacent stands 1, reduce the construction degree of difficulty, the constructor quantity that needs to participate in moreover is also less, reduces constructor's intensity of labour. Meanwhile, the distance between the connecting plate 31 and the upright post 1 and the distance between the fixing plate 41 and the upright post 1 are adjusted in the installation process, so that the position error generated in the piling construction process of the upright post 1 is eliminated, the breast board 2 can be accurately positioned by the pulleys 33, and the whole safety protective guard has higher construction efficiency and better construction quality.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a highway safety protective guard which characterized in that: the vertical column structure comprises a plurality of vertical columns (1) which are distributed at intervals, wherein a sideboard (2) is arranged between every two adjacent vertical columns (1), each vertical column (1) is provided with a positioning part (3) and a fixing part (4), the sideboard (2) is connected between the positioning part (3) and the fixing part (4), and the fixing part (4) is used for fixedly connecting the sideboard (2) with the corresponding vertical column (1);

the positioning component (3) comprises a connecting plate (31) arranged on the upright post (1), a fixed shaft (32) fixedly arranged on the connecting plate (31), and two pulleys (33) sleeved on the fixed shaft (32) and rotatably connected with the fixed shaft, wherein a positioning groove (331) is formed in the circumferential surface of each pulley (33), the end parts of two breast boards (2) connected with the same upright post (1) are respectively abutted against the tops of the two pulleys (33), and the bottom edge of each breast board (2) is embedded in the positioning groove (331);

a connecting screw rod (34) is fixedly arranged on one side, close to the upright post (1), of the connecting plate (31), the connecting screw rod (34) penetrates through the upright post (1) and is in threaded connection with a locking nut (35), and the locking nut (35) abuts against the upright post (1); an elastic piece (36) in a compressed state is arranged between the connecting plate (31) and the upright post (1).

2. A highway safety guard rail according to claim 1 wherein: the two pulleys (33) are distributed at intervals along the axial direction of the fixed shaft (32).

3. A highway safety guard rail according to claim 1 wherein: the number of the pulleys (33) on each fixed shaft (32) is two, and the end parts of the two breast boards (2) connected with the same upright post (1) are respectively abutted against the two pulleys (33) in one fixed shaft (32).

4. A highway safety guard rail according to claim 1 wherein: the two opposite sides of the upright post (1) are fixedly provided with abutting plates (11) vertical to the axis of the connecting screw rod (34), and the locking nuts (35) and the elastic pieces (36) are respectively abutted on the side walls of the two abutting plates (11) far away from each other.

5. A highway safety guard rail according to claim 1 wherein: the fixing part (4) comprises a fixing plate (41) arranged on one side of the upright post (1) close to the side plates (2), a supporting body (47) arranged on one side of the fixing plate (41), and fastening bolts (46) arranged on the fixing plate (41) and connected with the two side plates (2);

the supporting body (47) is located between the two breast boards (2) on the same fixed shaft (32), and the supporting body (47) abuts against the side walls, close to each other, of the two breast boards (2) at the same time.

6. A highway safety guard rail according to claim 5, wherein: one side that fixed plate (41) is close to breast board (2) has set firmly arc (45), the shape of arc (45) and the shape looks adaptation of breast board (2), just one side that fixed plate (41) were kept away from in arc (45) is laminated with breast board (2) lateral wall completely.

7. A highway safety guard rail according to claim 5, wherein: one side that fixed plate (41) is close to stand (1) has set firmly clamping screw (42), clamping screw (42) run through stand (1) and threaded connection has fixation nut (43), clamping screw (42) have set nut (44) in stand (1) one side threaded connection who keeps away from clamping screw (42), fixation nut (43) and set nut (44) all butt on stand (1).

8. A highway safety guard rail according to claim 5, wherein: the support body (47) comprises an adjusting screw rod (471), two support plates (472) which are respectively positioned at two opposite sides of the adjusting screw rod (471), and two adjusting plates (473) which are arranged on the screw rod;

the two adjusting plates (473) are respectively positioned on two sides of the supporting plate (472) along the axial direction of the adjusting screw (471), one of the adjusting plates (473) is rotatably connected with the adjusting screw (471), the other adjusting plate (473) is in threaded connection with the adjusting screw (471), one of the adjusting plates (473) is fixedly connected with the bottom plate (311), and the bottom plate (311) is fixedly arranged on one side, far away from the upright column (1), of the connecting plate (31) and is a horizontally arranged flat plate; the two ends of the supporting plate (472) in the axial direction of the adjusting screw rod (471) are hinged with connecting rods (474), and one end, far away from the supporting plate (472), of each connecting rod (474) is hinged with the adjusting plate (473) on the corresponding side.

9. A construction process for implementing the safety guard rail for the expressway as claimed in any one of claims 1 to 8, wherein the construction process comprises the steps of:

s1, marking the fixed positions of the upright posts (1) on the two sides of the highway;

s3, piling and fixing the upright post (1) by a first group of constructors according to the marks;

s4, after a first group of constructors fix a column (1) at a certain distance, a second group of constructors install a breast board (2), when the breast board (2) is installed, the pulling board is lifted up and placed on a positioning component (3), then the breast board (2) is pulled, the breast board (2) slides on the positioning component (3) until the breast board (2) moves to the positioning component (3) on another column (1), and then the step is repeated to install all the subsequent breast boards (2);

s5, the third group of constructors use the fixing part (4) to fix the positioned breast boards (2) and the upright posts (1) together until all the upright posts (1) and the breast boards (2) are fixed.