阅读说明：本技术 用于高速公路施工的标线围栏阻隔装置及其使用方法 (Marking fence barrier device for expressway construction and use method thereof ) 是由 刘澜涛 张保国 罗明帅 陈兴杰 李海波 刘俊峰 李会勋 史小勇 王立峰 张程志 于 2021-08-10 设计创作，主要内容包括：本发明公开了一种用于高速公路施工的标线围栏阻隔装置及其使用方法,包括：阻隔板体,以及设置在阻隔板体底部的底座；激光指示机构,其设置在阻隔板体前后端的两侧,所述激光指示机构的内部分别安装有第一螺纹杆和第二螺纹杆,且第一螺纹杆和第二螺纹杆外表面的螺纹互为反向设置；倾斜支撑装置,其设置在激光指示机构的内侧,所述倾斜支撑装置的内部安装有支撑主杆；滑动腔,其设置在底座内部的两侧,所述滑动腔的中间位置处安装有平衡调节装置；所述元件箱包括陀螺仪芯片、单片机、逆变器和蓄电池。实现了在不需要施工人员照看的前提下,标线围栏阻隔装置受间歇性强风发生倾倒能够自行快速摆正复位,确保正常对行驶车辆的提醒。(The invention discloses a marking fence barrier device for highway construction and a use method thereof, wherein the marking fence barrier device comprises the following steps: the baffle plate body and the base are arranged at the bottom of the baffle plate body; the laser indicating mechanism is arranged on two sides of the front end and the rear end of the blocking plate body, a first threaded rod and a second threaded rod are respectively arranged in the laser indicating mechanism, and threads on the outer surfaces of the first threaded rod and the second threaded rod are arranged in opposite directions; the inclined supporting device is arranged on the inner side of the laser indicating mechanism, and a supporting main rod is installed in the inclined supporting device; the sliding cavities are arranged on two sides in the base, and a balance adjusting device is arranged in the middle of each sliding cavity; the component box comprises a gyroscope chip, a single chip microcomputer, an inverter and a storage battery. Under the prerequisite that does not need constructor to look after, marking rail separation device receives intermittent type nature strong wind to take place to empty and can fast ajust by oneself and reset, ensures normally the warning to the vehicle that traveles.)

1. A marking fence barrier device for highway construction, comprising:

the baffle plate body and the base are arranged at the bottom of the baffle plate body, and the middle position of the lower end face of the baffle plate body is embedded into a fixing groove in the base;

the laser indicating mechanism is arranged on two sides of the front end and the rear end of the blocking plate body, a first threaded rod and a second threaded rod are respectively arranged in the laser indicating mechanism, the first threaded rod and the second threaded rod are integrally formed, threads on the outer surfaces of the first threaded rod and the second threaded rod are arranged in opposite directions, and the connecting part of the first threaded rod and the second threaded rod is in transmission fit with the blocking plate body through a bearing;

the laser indication mechanism comprises a laser indication mechanism, an inclined support device and a baffle plate body, wherein the inclined support device is arranged on the inner side of the laser indication mechanism, a support main rod is arranged in the inclined support device, the upper ends of two sides of the support main rod are connected with the baffle plate body through a rotating shaft, a support auxiliary rod is arranged in the support main rod in a sliding mode, the lower end of the support auxiliary rod extends to the lower portion of the support main rod, and a buffer spring is fixedly arranged between the support main rod and the support auxiliary rod;

the sliding cavities are arranged on two sides in the base, a balance adjusting device is arranged in the middle of each sliding cavity, and a balancing weight is arranged in each balance adjusting device;

the component box is arranged in the middle of the interior of the barrier plate body and comprises a gyroscope chip, a single chip microcomputer, an inverter and a storage battery, the output end of the gyroscope chip is electrically connected with the input end of the single chip microcomputer, and the output end of the storage battery is electrically connected with the input end of the inverter.

2. The barrier device for the marking line fence in the expressway construction as claimed in claim 1, wherein a return spring is installed outside the rotation axis, and both ends of the return spring are respectively fixed with the barrier plate body and the support main rod in an inserting manner, and a small stepping motor is installed at one end of the rotation axis inside the support main rod, and an output shaft of the small stepping motor is connected with the rotation axis key.

3. The marked fence blocking device for expressway construction as claimed in claim 1, wherein the lower ends of the inner sides of the support sub-rods are provided with locking mechanisms, the locking mechanisms are fixedly provided with electric push rods, the extending ends of the electric push rods are fixedly provided with two inserting plates, the lower ends of the inner parts of the support sub-rods are provided with two inserting grooves, one ends of the inserting plates extend into the inserting grooves, and the input ends of the electric push rods are electrically connected with the output ends of the single chip microcomputer.

4. The barrier device of claim 1, wherein pulleys are rotatably mounted on both sides of the inside of the balance adjustment device, one side of each pulley extends into a sliding groove in the inner wall of the sliding cavity, the rotating shafts on the upper end surfaces of the pulleys are in transmission connection through a first belt, a second servo motor is mounted on one side of each pulley, which is close to the counterweight, an output shaft of the second servo motor is in transmission connection with the rotating shaft on the lower end surface of one of the pulleys through a second belt, and an input end of the second servo motor is electrically connected with an output end of the single chip microcomputer.

5. The barrier device of the marking fence for the highway construction as claimed in claim 1, wherein a first servo motor is installed above the laser indication mechanism, an output shaft of the first servo motor is in transmission connection with a first threaded rod through a coupler, sliding blocks are installed at the middle positions of the first threaded rod and the second threaded rod, the sliding blocks are in threaded fit with the first threaded rod and the second threaded rod respectively, and three green laser lamps are installed at the front ends of the sliding blocks.

6. The barrier device of claim 1, wherein solar panels are embedded above the front and rear ends of the barrier plate body, and the output end of each solar panel is electrically connected to the input end of the storage battery.

7. The barrier device of claim 1, wherein the barrier plate body is provided at the lower end thereof with eight first recesses which are equidistantly arranged, and the inclined support means is provided at the outer side thereof with second recesses which penetrate the front and rear ends of the barrier plate body.

8. The use method of the marking fence barrier device for expressway construction according to any one of claims 1 to 7, wherein: the method comprises the following steps:

firstly, placing marking fence blocking devices at two ends of a construction area and keeping a corresponding distance when a constructor carries out maintenance operation on a highway;

step two, opening an anti-toppling structure in the separation plate body, enabling a gyroscope chip to monitor the inclined angle of the separation plate body, enabling an electric push rod to contract rapidly when the inclined angle exceeds a set value, enabling an inserting plate at one end of the electric push rod to be separated from a slot on a supporting auxiliary rod, enabling a supporting main rod to rotate towards the outside by taking the circle center of a rotating shaft as an original point until the separation plate body and the supporting main rod form a sixty-degree included angle, and enabling the bottom of the supporting auxiliary rod to be in contact with the ground in the state;

thirdly, starting a second servo motor to drive a plurality of pulleys to synchronously rotate, enabling the balance adjusting device to move in the opposite direction of toppling, enabling the blocking plate body to reset by the aid of the counterweight block through gravity, and after the blocking plate body is reset, moving the balance adjusting device to the middle position in the base again to achieve automatic toppling reset;

and step four, under the condition of low road visibility, the green laser lamp continuously reciprocates in the laser indicating mechanism by starting the first servo motor, the running vehicle can be guided by laser at a longer distance of the barrier plate body, and lane changing measures are taken in advance.

Technical Field

The invention relates to the technical field of auxiliary tools for highway construction, in particular to a marking fence barrier device for highway construction and a using method thereof.

Background

Along with the continuous development of social economy, the construction of the expressway is gradually adapted to the development of industrialization and urbanization, the construction of the expressway is gradually changed into urban traffic taking the expressway as the backbone from urban loops, radiation roads and busy road sections, the proportion of automobiles as travel tools is continuously improved along with the continuous improvement of the living standard of people, so that the increase of the number of the automobiles inevitably causes a burden on the expressway, and the pavement of the expressway is easily damaged along with the time lapse.

The highway needs regularly to maintain in the use, and the main filling that has the blurring of road surface marking off and road surface pothole gap that aims at, for the security that improves the work progress, generally can place marking rail separation device in the both ends position of construction area to remind to pass through the vehicle and change the way in advance, avoid the construction area.

However, the existing marking fence separation device has some defects in the using process, most expressways are located on flat terrain and are greatly influenced by the environment, particularly intermittent strong wind, and meanwhile, due to the fact that the placing positions are far away, if the marking fence separation device is toppled, constructors cannot find the marking fence separation device in time, certain potential safety hazards are brought, the existing requirements are not met, and the marking fence separation device for expressway construction and the using method thereof are provided.

Disclosure of Invention

An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.

The invention also aims to provide a marking fence barrier device for expressway construction and a using method thereof, which realize that the marking fence barrier device can automatically and quickly adjust and reset when being toppled by intermittent strong wind on the premise of not needing the attention of constructors, thereby ensuring the normal reminding of running vehicles.

In order to achieve the above objects and other objects, the present invention adopts the following technical solutions:

a marking fence barrier device for expressway construction and a using method thereof comprise:

the baffle plate body and the base are arranged at the bottom of the baffle plate body, and the middle position of the lower end face of the baffle plate body is embedded into a fixing groove in the base;

the laser indicating mechanism is arranged on two sides of the front end and the rear end of the blocking plate body, a first threaded rod and a second threaded rod are respectively arranged in the laser indicating mechanism, the first threaded rod and the second threaded rod are integrally formed, threads on the outer surfaces of the first threaded rod and the second threaded rod are arranged in opposite directions, and the connecting part of the first threaded rod and the second threaded rod is in transmission fit with the blocking plate body through a bearing;

the laser indication mechanism comprises a laser indication mechanism, an inclined support device and a baffle plate body, wherein the inclined support device is arranged on the inner side of the laser indication mechanism, a support main rod is arranged in the inclined support device, the upper ends of two sides of the support main rod are connected with the baffle plate body through a rotating shaft, a support auxiliary rod is arranged in the support main rod in a sliding mode, the lower end of the support auxiliary rod extends to the lower portion of the support main rod, and a buffer spring is fixedly arranged between the support main rod and the support auxiliary rod;

the sliding cavities are arranged on two sides in the base, a balance adjusting device is arranged in the middle of each sliding cavity, and a balancing weight is arranged in each balance adjusting device;

the component box is arranged in the middle of the interior of the barrier plate body and comprises a gyroscope chip, a single chip microcomputer, an inverter and a storage battery, the output end of the gyroscope chip is electrically connected with the input end of the single chip microcomputer, and the output end of the storage battery is electrically connected with the input end of the inverter.

Preferably, reset spring is all installed to the outside of rotation axis, and reset spring's both ends respectively with hinder the baffle body and support the mobile jib and peg graft fixedly, be located small-size step motor is installed to the one end of the inboard rotation axis of support mobile jib, and small-size step motor's output shaft and rotation axis key-type connection.

Preferably, the inboard lower extreme of support auxiliary rod all is provided with locking mechanism, locking mechanism's inside fixed mounting has electric putter, electric putter's extension end is fixed and is provided with two picture pegs, the inside lower extreme of support auxiliary rod is provided with two slots, and the one end of picture peg extends to the inside of slot, electric putter's input and the output electric connection of singlechip.

Preferably, the inside both sides of balance adjustment device are all rotated and are installed the pulley, and in one side of pulley extended to the spout of sliding cavity inner wall, connect through first belt drive between the axis of rotation of pulley up end, the pulley is close to one side of balancing weight and installs second servo motor, second servo motor's output shaft and one of them connect through second belt drive between the axis of rotation of terminal surface under the pulley, second servo motor's input and the output electric connection of singlechip.

Preferably, first servo motor is all installed to laser indicating mechanism's top, and first servo motor's output shaft passes through the shaft coupling transmission with first threaded rod and is connected, the intermediate position department of first threaded rod and second threaded rod all installs the sliding block, and the sliding block respectively with first threaded rod and second threaded rod screw-thread fit, three green laser lamp is all installed to the front end of sliding block.

Preferably, solar cell panels are embedded above the front end and the rear end of the barrier plate body, and the output end of each solar cell panel is electrically connected with the input end of the storage battery.

Preferably, the lower extreme of interior of baffle body is provided with first dead slot, and first dead slot is provided with eight, and first dead slot equidistance distributes, the outside of slope strutting arrangement all is provided with the second dead slot that runs through baffle body front and back end.

The use method of the marking fence barrier device for the expressway construction comprises the following steps:

firstly, placing marking fence blocking devices at two ends of a construction area and keeping a corresponding distance when a constructor carries out maintenance operation on a highway;

step two, opening an anti-toppling structure in the separation plate body, enabling a gyroscope chip to monitor the inclined angle of the separation plate body, enabling an electric push rod to contract rapidly when the inclined angle exceeds a set value, enabling an inserting plate at one end of the electric push rod to be separated from a slot on a supporting auxiliary rod, enabling a supporting main rod to rotate towards the outside by taking the circle center of a rotating shaft as an original point until the separation plate body and the supporting main rod form a sixty-degree included angle, and enabling the bottom of the supporting auxiliary rod to be in contact with the ground in the state;

thirdly, starting a second servo motor to drive a plurality of pulleys to synchronously rotate, enabling the balance adjusting device to move in the opposite direction of toppling, enabling the blocking plate body to reset by the aid of the counterweight block through gravity, and after the blocking plate body is reset, moving the balance adjusting device to the middle position in the base again to achieve automatic toppling reset;

and step four, under the condition of low road visibility, the green laser lamp continuously reciprocates in the laser indicating mechanism by starting the first servo motor, the running vehicle can be guided by laser at a longer distance of the barrier plate body, and lane changing measures are taken in advance.

The invention at least comprises the following beneficial effects:

1. the invention is provided with the anti-toppling structure, when the baffle plate body is toppled due to intermittent strong wind, the gyroscope chip can monitor the inclined angle of the baffle plate body, if the inclined angle exceeds a set value, the baffle plate body is toppled under the influence of gravity at the moment, an electric signal is generated to the single chip microcomputer, so that the electric push rod is electrified, the electric push rod is rapidly contracted at the moment, an inserting plate at one end of the electric push rod is separated from an inserting groove on the supporting auxiliary rod, after the limitation of the inserting plate on the supporting auxiliary rod is lost, the supporting main rod is rapidly driven to rotate towards the outside by taking the circle center of the rotating shaft as an original point under the elastic action of the return spring until the baffle plate body and the supporting main rod form an included angle of sixty degrees, the bottom of the supporting auxiliary rod is contacted with the ground in the state, and the baffle plate body can be prevented from toppling continuously, and at this in-process, transmit to supporting the secondary bar through supporting the mobile jib by the pressure that the baffler plate body produced, make the upper end that supports the secondary bar extend to the inside of supporting the mobile jib under sliding fit between them, extrude its inside buffer spring, extrude produced elastic deformation and can alleviate pressure to avoid concentrating because of the strong point and cause the damage to the baffler plate body at the in-process of preventing empting.

2. The sliding cavity is arranged in the base, the balance adjusting device is arranged in the sliding cavity, the single chip microcomputer is arranged at the middle position of the sliding cavity under the conventional state to play a role in improving the weight of the base, if the barrier plate body is inclined, the second servo motor is started under the premise that the support rod supports the barrier plate body, the output shaft of the second servo motor drives one pulley to rotate under the transmission of a second belt, meanwhile, other pulleys are driven to synchronously rotate under the transmission of a first belt, the balance adjusting device moves towards the inclined direction, the barrier plate body is reset through the counterweight block by utilizing gravity, after the barrier plate body is reset, the balance adjusting device moves to the middle position in the base again, and under the mutual matching of the inclined supporting device and the balance adjusting device, under the premise that a constructor does not need to look after the barrier plate body is reset, the marking fence blocking device is toppled over by intermittent strong wind and can be automatically and quickly adjusted and reset, and normal reminding of running vehicles is ensured.

3. The laser indicating mechanisms are arranged on the two sides of the front end and the rear end of the barrier plate body, the laser indicating mechanisms are only opened under the condition of low road surface visibility, the first servo motor is opened, the output shaft of the first servo motor drives the first threaded rod and the second threaded rod to rotate, meanwhile, under the friction fit of the sliding blocks and the threaded rods, the rotating motion is converted into linear motion, because the threads on the first threaded rod and the second threaded rod are designed in a reverse direction, the sliding blocks provided with the green laser lamps move in a mutually reverse direction, the green laser lamps continuously reciprocate in the laser indicating mechanisms under the driving of the first servo motor, because the rays emitted by the green laser lamps are far and can penetrate through media in the air, such as water vapor and dust, a three-dimensional grid is formed, and vehicles in running can be guided by laser at a farther distance when the barrier plate body is placed, and a lane changing measure is made in advance, so that the prompting effect of the marking fence blocking device is further improved.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

FIG. 1 is an overall perspective view of the present invention;

FIG. 2 is a schematic view of the overall internal structure of the present invention;

FIG. 3 is a schematic view of the anti-toppling structure of the present invention when the blocking plate is inclined;

FIG. 4 is an enlarged view of a portion of the area A of FIG. 2 in accordance with the present invention;

FIG. 5 is an enlarged view of a portion of the area B of FIG. 2 in accordance with the present invention;

FIG. 6 is a schematic diagram of the anti-toppling structure system of the present invention.

1. A barrier plate body; 2. a base; 3. a tilt support device; 4. supporting the main rod; 5. a support sub-rod; 6. a buffer spring; 7. a laser indication mechanism; 8. a first threaded rod; 9. a second threaded rod; 10. a slider; 11. a green laser lamp; 12. a first servo motor; 13. a solar panel; 14. a component box; 15. a locking mechanism; 16. a sliding cavity; 17. a balance adjustment device; 18. a first empty slot; 19. a second empty slot; 20. a balancing weight; 21. a pulley; 22. a first belt; 23. a second servo motor; 24. a second belt; 25. an inverter; 26. an electric push rod; 27. inserting plates; 28. a slot; 29. a rotating shaft; 30. a return spring; 31. a small-sized stepping motor; 32. a gyroscope chip; 33. a single chip microcomputer; 34. and (4) a storage battery.

Detailed Description

The present invention is described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description.

As shown in fig. 1 to 6, a marking fence barrier apparatus for expressway construction and a method of using the same, includes: the baffle plate comprises a baffle plate body 1 and a base 2 arranged at the bottom of the baffle plate body 1, wherein the middle position of the lower end surface of the baffle plate body 1 is embedded in a fixing groove in the base 2; the laser indicating mechanism 7 is arranged on two sides of the front end and the rear end of the barrier plate body 1, a first threaded rod 8 and a second threaded rod 9 are respectively arranged in the laser indicating mechanism 7, the first threaded rod 8 and the second threaded rod 9 are integrally formed, threads on the outer surfaces of the first threaded rod 8 and the second threaded rod 9 are arranged in opposite directions, and the connecting part of the first threaded rod 8 and the second threaded rod 9 is in transmission fit with the barrier plate body 1 through a bearing; the inclined supporting device 3 is arranged on the inner side of the laser indicating mechanism 7, a supporting main rod 4 is installed inside the inclined supporting device 3, the upper ends of two sides of the supporting main rod 4 are connected with the baffle plate body 1 through a rotating shaft 29, a supporting auxiliary rod 5 is installed inside the supporting main rod 4 in a sliding mode, the lower end of the supporting auxiliary rod 5 extends to the lower portion of the supporting main rod 4, and a buffer spring 6 is fixedly installed between the supporting main rod 4 and the supporting auxiliary rod 5; the sliding cavities 16 are arranged on two sides inside the base 2, a balance adjusting device 17 is arranged in the middle of each sliding cavity 16, and a balancing weight 20 is arranged inside each balance adjusting device 17; the component box 14 is arranged in the middle of the inside of the barrier plate body 1, the component box 14 comprises a gyroscope chip 32, a single chip microcomputer 33, an inverter 25 and a storage battery 34, the output end of the gyroscope chip 32 is electrically connected with the input end of the single chip microcomputer 33, and the output end of the storage battery 34 is electrically connected with the input end of the inverter 25.

In the above scheme, the pressure that produces by the baffler body transmits to supporting the auxiliary rod through supporting the mobile jib, makes the upper end that supports the auxiliary rod extend to the inside of supporting the mobile jib under sliding fit between them, extrudes its inside buffer spring, and the produced elastic deformation of extrusion can be alleviated pressure to avoid leading to the fact the damage to the baffler body because of the strong point is concentrated at the in-process of preventing empting.

In a preferred scheme, a return spring 30 is mounted outside the rotating shaft 29, two ends of the return spring 30 are respectively fixed to the barrier plate 1 and the support main rod 4 in an inserting manner, a small stepping motor 31 is mounted at one end of the rotating shaft 29 inside the support main rod 4, and an output shaft of the small stepping motor 31 is connected with the rotating shaft 29 in a key manner.

In above-mentioned scheme, realize upright back at the baffler plate body, under small-size step motor's drive, make the support mobile jib remove to inclined support device's inside once more, realize accomodating.

In a preferred scheme, the lower extreme of the inboard of support auxiliary rod 5 all is provided with locking mechanism 15, and locking mechanism 15's inside fixed mounting has electric putter 26, and electric putter 26's extension end is fixed and is provided with two picture pegs 27, and the inside lower extreme of support auxiliary rod 5 is provided with two slots 28, and the one end of picture peg 27 extends to the inside of slot 28, and electric putter 26's input and singlechip 33's output electric connection.

In the above scheme, the electric putter takes place to contract rapidly after connecting the electricity, makes the picture peg of its one end and the slot on the support auxiliary rod take place to separate, loses the picture peg to the restriction back that supports the auxiliary rod, under reset spring's elastic action, drives fast and supports the mobile jib and use the centre of a circle of rotation axis as the original point outwards rotatory, until hindering baffle body and supporting the mobile jib and forming sixty degrees contained angle, the bottom and the ground of the support auxiliary rod take place to contact under this state, can avoid the baffle body to continue to take place to empty.

In a preferred scheme, the inside both sides of balance adjustment device 17 are all rotated and are installed pulley 21, and one side of pulley 21 extends to in the spout of the 16 inner walls of sliding chamber, connect through the transmission of first belt 22 between the axis of rotation of pulley 21 up end, pulley 21 is close to one side of balancing weight 20 and installs second servo motor 23, pass through the transmission of second belt 24 between the axis of rotation of terminal surface under the output shaft of second servo motor 23 and one of them pulley 21 and be connected, the input of second servo motor 23 and the output electric connection of singlechip 33.

In the above scheme, through this kind of mode, under slope strutting arrangement and balance adjustment device's the cooperation of each other, under the prerequisite that does not need constructor to look after, graticule rail blocking device takes place to topple over by intermittent type nature strong wind and can fast set upright the reposition by oneself, ensures normally the warning to the vehicle of traveling.

In a preferred scheme, first servo motor 12 is all installed to laser indicating mechanism 7's top, and the output shaft of first servo motor 12 passes through the shaft coupling transmission with first threaded rod 8 and is connected, and sliding block 10 is all installed to the intermediate position department of first threaded rod 8 and second threaded rod 9, and sliding block 10 respectively with first threaded rod 8 and 9 screw-thread fit of second threaded rod, three green laser lamp 11 is all installed to the front end of sliding block 10.

In above-mentioned scheme, green laser lamp is constantly reciprocating motion in laser indicating mechanism, because the ray that green laser lamp sent is far away, and can run through the medium in the air, for example steam, dust, form three-dimensional grid, the vehicle in the driving can just can receive the guide of laser at the farther distance that the baffling plate body was put, makes the measure of changing the lane in advance, further improves the suggestion effect of marking rail separation device.

In a preferred scheme, solar cell panels 13 are embedded above the front end and the rear end of the barrier plate body 1, and the output ends of the solar cell panels 13 are electrically connected with the input ends of the storage batteries 34.

In the scheme, the use efficiency of energy is improved, and the environmental adaptability of the marking fence blocking device is ensured.

In a preferable scheme, the lower end of the inner part of the baffle plate body 1 is provided with eight first empty grooves 18, the first empty grooves 18 are distributed at equal intervals, and the outer sides of the inclined supporting devices 3 are provided with second empty grooves 19 penetrating through the front end and the rear end of the baffle plate body 1.

The use method of the marking fence barrier device for the expressway construction comprises the following steps:

firstly, placing marking fence blocking devices at two ends of a construction area and keeping a corresponding distance when a constructor carries out maintenance operation on a highway;

step two, opening an anti-toppling structure in the separation plate body 1, enabling the gyroscope chip 32 to monitor the inclined angle of the separation plate body 1, enabling the electric push rod 26 to contract rapidly when the inclined angle exceeds a set value, enabling the plug board 27 at one end of the electric push rod to be separated from the slot 28 on the supporting auxiliary rod 5, enabling the supporting main rod 4 to rotate towards the outside by taking the circle center of the rotating shaft 29 as an original point until the separation plate body 1 and the supporting main rod 4 form a sixty-degree included angle, and enabling the bottom of the supporting auxiliary rod 5 to be in contact with the ground in the state;

thirdly, starting a second servo motor 23 to drive a plurality of pulleys 21 to synchronously rotate, enabling the balance adjusting device 17 to move in the opposite direction of dumping, enabling the baffle plate body 1 to reset by utilizing gravity through the balancing weight 20, and after the baffle plate body 1 is reset, moving the balance adjusting device 17 to the middle position in the base 2 again to realize automatic resetting of dumping;

and step four, under the condition of low road visibility, the green laser lamp 11 continuously reciprocates in the laser indicating mechanism 7 by starting the first servo motor 12, and the running vehicle can be guided by laser at a farther distance of the barrier plate body 1, so that lane changing measures are taken in advance.

While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.