阅读说明：本技术 高速公路环保施工方法 (Environment-friendly construction method for expressway ) 是由 朱照明 冀炫 王博 裴元园 马君良 刘学军 闫向东 高峰 陶武庭 段丽丽 于 2020-07-08 设计创作，主要内容包括：本发明公开了一种高速公路环保施工方法,包括以下步骤：步骤一、挖设排水沟,排水沟内安放第一排水管；第一排水管包括第一管和第二管,第一管连接第一水箱和喷淋管；步骤二、铺设排水层,排水层连通第二排水管,第二排水管与第二管连通,第二管连通至第一水箱；步骤三、铺设过滤层和钢丝网；步骤四、铺设防护网；步骤五、在非降雨时段的施工期间内,开启自动降尘系统。本发明环保施工方法简单省力,解决施工段集水问题的同时,利用废水过滤喷淋降尘,有效节约水资源,降尘效果极佳。(The invention discloses an environment-friendly construction method for an expressway, which comprises the following steps: digging a drainage ditch, and arranging a first drainage pipe in the drainage ditch; the first water discharge pipe comprises a first pipe and a second pipe, and the first pipe is connected with the first water tank and the spray pipe; laying a drainage layer, wherein the drainage layer is communicated with a second drainage pipe, the second drainage pipe is communicated with a second pipe, and the second pipe is communicated with a first water tank; laying a filter layer and a steel wire mesh; fourthly, paving a protective net; and step five, starting the automatic dust settling system in the construction period of the non-rainfall period. The environment-friendly construction method is simple and labor-saving, solves the problem of water collection in the construction section, utilizes the waste water to filter and spray for dust reduction, effectively saves water resources, and has excellent dust reduction effect.)

1. An environment-friendly construction method for an expressway, comprising the following steps:

arranging drainage ditches at two sides of a highway, and arranging a first drainage pipe in the drainage ditches; the first drainage pipe comprises a first pipe and a second pipe, the first pipe is directly connected to the top end of the first water tank, a plurality of connectors which are longitudinally distributed along the first pipe are arranged on the first pipe, a spraying pipe is arranged at the position of the connector where the construction section is located, and sealing elements are arranged on other connectors;

leveling the roadbed, namely paving a cushion layer above the roadbed, paving a waterproof layer above the cushion layer, paving a drainage layer above the waterproof layer, installing a plurality of second drainage pipes on two sides of the drainage layer, wherein the second drainage pipes are communicated with the second pipes, and the second pipes are communicated with the bottom end of the first water tank;

thirdly, laying a steel wire mesh above the drainage layer, and laying a filter layer between the steel wire mesh and the drainage layer;

paving protective nets on two sides of a road, wherein the protective nets are composed of soft pipe bodies which are criss-cross and communicated with each other, and criss-cross connecting wires are arranged in meshes of the protective nets; a pressure lever is arranged on the side of the protective net;

step five, in the construction period of the non-rainfall period, starting an automatic dust settling system, wherein the automatic dust settling system comprises:

the mobile dust settling device comprises a vehicle body, a second water tank and a first water spraying mechanism, wherein the second water tank is arranged on the vehicle body, the first water spraying mechanism is symmetrically arranged at two sides of the second water tank, the first water spraying mechanism comprises a top pipe, a branch pipe, a bottom pipe and a supporting part, the top pipe is in liquid communication with the second water tank, the branch pipe is in liquid communication with the top pipe, and a plurality of second nozzles in liquid communication with the branch pipe are arranged on the bottom pipe; the top pipe is movably and rotatably arranged on one side of the top end of the second water tank; the plurality of branch pipes are uniformly connected between the top pipe and the bottom pipe at intervals; the support part is arranged between the branch pipe and the side end of the second water tank so as to enable the branch pipe to rotate around the second water tank;

the intelligent control device comprises a controller, a dust monitoring module and an automatic adjusting module; the dust monitoring module is used for monitoring the dust density in the air within the range of 0-10 m around the vehicle body and the road construction section, and judging whether alarm information is sent to the controller or not according to whether the dust density information exceeds a set threshold value or not, so that the opening and closing of the first spray head and the second spray head are controlled; the automatic adjustment module is used for receiving the dust densities of different areas in the monitoring range sent by the dust monitoring module, so that the angle of the branch pipe relative to the first water tank and the angle of the spray pipe in rotation are adjusted, and the sprayed water falls into the area with large dust density.

2. The environment-friendly construction method for the highway according to claim 1, wherein the spraying pipe comprises an inner pipe and an outer pipe, the inner pipe is a flexible pipe, the outer pipe comprises a first rod body and a second rod body, the second rod body is rotatably arranged above the first rod body, the top end of the second rod body is bent to one side relative to the first rod body, and a first nozzle is arranged at the top end of the second rod body.

3. The environment-friendly construction method of the expressway according to claim 1, wherein the connection manner of the protection net and the compression bar is as follows: an elastic hose is arranged on the side of the protective net, the pressure lever is composed of a plurality of sleeves which are mutually sleeved, an opening is arranged on one side of each sleeve, and the elastic hose is clamped and fixed in the opening; the surface of the sleeve perpendicular to the opening is provided with a positioning hole, and the diameter of the sleeve is at least 2.5 times of that of the elastic hose.

4. The environment-friendly construction method for the expressway according to claim 1, wherein the top pipe is movably and rotatably arranged in a specific manner that: the top end of the second water tank is symmetrically provided with sliding chutes, and the cross sections of the sliding chutes are in major arc structures larger than semicircles; one side, opposite to the sliding groove, of the top pipe is provided with a sliding block matched with the sliding groove, the sliding block is clamped and fixed in the sliding groove in a rotatable mode, one side, close to the front end of the vehicle body, of the sliding block is connected with a first air cylinder, and the first air cylinder is controlled by the controller so that the sliding block moves in the sliding groove.

5. The environment-friendly construction method for the expressway as recited in claim 1, wherein the supporting part comprises a U-shaped frame and second cylinders symmetrically disposed at both sides of the U-shaped frame, both ends of the U-shaped frame are connected to both ends of the top pipe, respectively, and are parallel to the side end of the second water tank, a first end of the second cylinder is connected to the U-shaped frame, a second end of the second cylinder is connected to the branch pipes disposed at both sides of the top pipe, and the second cylinder is controlled by the controller, so that the surface where the branch pipes are disposed rotates by 0 to 60 degrees around the second water tank.

6. The environment-friendly construction method for the expressway according to claim 1, wherein a steel wire mesh is laid at the upper end of the drainage layer, and the meshes of the steel wire mesh are set to be 1-2 mm; the top end of the drainage layer is provided with a wave-shaped groove, and the wave-shaped groove is communicated with the second drainage pipe through liquid.

7. The environment-friendly construction method of the expressway according to claim 1, wherein the first drain pipe is connected to a bottom end of the first water tank, a top end of the first water tank is connected to a water main, and a filtering device adapted to the first water tank is disposed under an inner side of the first water tank.

8. The environment-friendly construction method of the expressway as recited in claim 1, wherein third cylinders controlled by the controller are provided at 4 corners of a bottom end of the second water tank, so that the second water tank moves up and down.

Technical Field

The invention relates to the technical field of road engineering, in particular to an environment-friendly construction method for an expressway.

Background

When the highway is constructed, dust on the ground can be raised when an engineering vehicle passes through or blows strong wind, so that dust particles are diffused in the air, and once harmful substances such as a large amount of dust particles, smoke particles and the like floating in the air are inhaled by a human body, the upper respiratory tract infection is easily caused, so that dust raising prevention work on a construction site is necessary. The dustproof measure of present road construction is at road construction scene watering and lay separation net etc. and the watering can let the air moist, and ground is moist, is favorable to the airborne dust particle to drop, can play air-purifying's effect, and the water droplet weight that has dust constantly aggravates the back, can slowly drop subaerial, and the dust particle in the air just becomes few like this. But the current construction watering has the water waste, blindly sprays scheduling problem, sprays the efficiency lower.

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 an environment-friendly construction method for the expressway, which is simple and labor-saving, solves the problem of water collection in a construction section, utilizes waste water for filtering, spraying and dust settling, effectively saves water resources and has excellent dust settling effect.

To achieve these objects and other advantages in accordance with the present invention, there is provided an environmentally friendly construction method for a highway, comprising the steps of:

arranging drainage ditches at two sides of a highway, and arranging a first drainage pipe in the drainage ditches; the first drainage pipe comprises a first pipe and a second pipe, the first pipe is directly connected to the top end of the first water tank, a plurality of edges are formed on the first pipe, the interfaces which are longitudinally arranged on the first pipe are arranged, the spray pipe is installed at the position of the interface where the construction section is located, and the sealing element is installed at the interfaces.

Step two, leveling the roadbed, laying a cushion layer above the roadbed, laying a waterproof layer above the cushion layer, laying a drainage layer above the waterproof layer, installing a plurality of second drainage pipes on two sides of the drainage layer, communicating the second drainage pipes with the second pipes, and communicating the second pipes to the bottom end of the first water tank.

And thirdly, laying a steel wire mesh above the drainage layer, and laying a filter layer between the steel wire mesh and the drainage layer.

Paving protective nets on two sides of a road, wherein the protective nets are composed of soft pipe bodies which are criss-cross and communicated with each other, and criss-cross connecting wires are arranged in meshes of the protective nets; and a pressure lever is arranged on the edge of the protective net.

Step five, in the construction period of the non-rainfall period, starting an automatic dust settling system, wherein the automatic dust settling system comprises:

the mobile dust settling device comprises a vehicle body, a second water tank and a first water spraying mechanism, wherein the second water tank is arranged on the vehicle body, the first water spraying mechanism is symmetrically arranged at two sides of the second water tank, the first water spraying mechanism comprises a top pipe, a branch pipe, a bottom pipe and a supporting part, the top pipe is in liquid communication with the second water tank, the branch pipe is in liquid communication with the top pipe, and a plurality of second nozzles in liquid communication with the branch pipe are arranged on the bottom pipe; the top pipe is movably and rotatably arranged on one side of the top end of the second water tank; the plurality of branch pipes are uniformly connected between the top pipe and the bottom pipe at intervals; the support portion is disposed between the branch pipe and the second tank side end to rotate the branch pipe around the second tank.

The intelligent control device comprises a controller, a dust monitoring module and an automatic adjusting module; the dust monitoring module is used for monitoring the dust density in the air within the range of 0-10 m around the vehicle body and the road construction section, and judging whether alarm information is sent to the controller or not according to whether the dust density information exceeds a set threshold value or not, so that the opening and closing of the first spray head and the second spray head are controlled; the automatic adjustment module is used for receiving the dust densities of different areas in the monitoring range sent by the dust monitoring module, so that the angle of the branch pipe relative to the first water tank and the angle of the spray pipe in rotation are adjusted, and the sprayed water falls into the area with large dust density.

Preferably, the shower includes inner tube and outer tube, the inner tube is the soft pipe, the outer tube includes first body of rod and second body of rod, the second body of rod sets up with rotatable mode the top of first body of rod, the top of the second body of rod is relative first body of rod is to one side bending, the top of the second body of rod sets up first shower nozzle.

Preferably, the connection mode of the protective net and the pressure bar is as follows: an elastic hose is arranged on the side of the protective net, the pressure lever is composed of a plurality of sleeves which are mutually sleeved, an opening is arranged on one side of each sleeve, and the elastic hose is clamped and fixed in the opening; the surface of the sleeve perpendicular to the opening is provided with a positioning hole, and the diameter of the sleeve is at least 2.5 times of that of the elastic hose.

Preferably, the top pipe is movably and rotatably arranged in a specific manner that: the top end of the second water tank is symmetrically provided with sliding chutes, and the cross sections of the sliding chutes are in major arc structures larger than semicircles; one side, opposite to the sliding groove, of the top pipe is provided with a sliding block matched with the sliding groove, the sliding block is clamped and fixed in the sliding groove in a rotatable mode, one side, close to the front end of the vehicle body, of the sliding block is connected with a first air cylinder, and the first air cylinder is controlled by the controller so that the sliding block moves in the sliding groove.

Preferably, the support portion includes a U-shaped frame and second cylinders symmetrically disposed at two sides of the U-shaped frame, two ends of the U-shaped frame are respectively connected to two ends of the top pipe and are parallel to a side end of the second water tank, a first end of the second cylinder is connected to the U-shaped frame, a second end of the second cylinder is connected to the branch pipes located at two sides of the top pipe, and the second cylinder is controlled by the controller, so that a surface where the branch pipes are located rotates by 0-60 degrees around the second water tank.

Preferably, a steel wire mesh is laid at the upper end of the drainage layer, and meshes of the steel wire mesh are set to be 1-2 mm; the top end of the drainage layer is provided with a wave-shaped groove, and the wave-shaped groove is communicated with the second drainage pipe through liquid.

Preferably, the first drainage pipe is connected to the bottom end of the first water tank, the top end of the first water tank is connected with the water main, and a filtering device matched with the first water tank is arranged below the inner side of the first water tank.

Preferably, 4 corners of the bottom end of the second water tank are provided with third air cylinders controlled by the controller, so that the second water tank moves up and down.

The invention at least comprises the following beneficial effects:

according to the invention, the first pipe, the second drain pipe, the first water tank and the spray pipe are arranged at the construction section of the highway, so that the settled construction wastewater and rainwater can be conveniently collected through the drainage layer, are transmitted into the first water tank through the second pipe for filtering, are transmitted to the spray pipe through the first pipe, and are sprayed out through the first spray head so as to perform dust fall treatment on the construction highway section, thus the accumulated water in the construction area is solved, the utilization wastewater is collected, and dust fall is conveniently performed in the later construction in a spray mode of the spray pipe; the first pipe is provided with an interface for installing the spraying pipe, the detachable sealing piece is installed on the interface in the non-construction area section, the spraying pipe can be detached and installed on the interface of the first pipe of the next road section along with the completion of one section of construction road section, after the construction is completed, the spraying pipe can be detached and repeated to be used in the road construction, the construction cost is reduced, and meanwhile the dust fall problem of the construction road section is solved.

Through laying the protection network in highway both sides, utilize the combination that soft body and connecting wire constitute, and through the mode of the fixed protection network periphery of depression bar, the receipts of the protection network of not only being convenient for with, the protection effect of the protection network of being convenient for simultaneously to below dust avoids appearing the condition that below dust flies upward.

The dust monitoring module is arranged, so that the dust density in the surrounding air can be monitored in the moving process of the vehicle body, meanwhile, different dust density areas in the monitoring range of the vehicle body are divided, if the dust density exceeds a threshold value set by a constructor, the dust monitoring module transmits early warning information to the controller, then, the area to be sprayed is locked through the automatic adjusting module, the movement of the push pipe, the angle of the branch pipe relative to the second water tank and the rotating angle of the spray pipe are controlled, after the adjustment is finished, the controller controls the second spray head/the first spray head to be opened, so that the second spray head/the first spray head sprays water to the area with the maximum dust density in the early warning information, the positions of the push pipe and the branch pipe are gradually adjusted, the spraying area is indirectly adjusted to gradually transit from the area with the maximum dust density to the minimum density in the early warning information, and fixed-point spraying to the area with the dust density exceeding the standard is realized, so that the dust settlement is more rapid and effective, and unnecessary waste of water resources is avoided. The removal of automobile body is controlled by the controller, is convenient for adjust the scope of spraying, is convenient for simultaneously spray the dust fall according to the density automation of dust, and is more intelligent convenient.

The top pipe is communicated with the second water tank at the top part through the water pipe, so that the liquid in the second water tank is sprayed out through the top pipe, the branch pipe and the second spray head, and the dust-settling water is further saved; the arrangement mode that the top pipe can move back and forth and the arrangement mode that the branch pipe can rotate relatively are combined with the movement of the vehicle body, so that the range and the area of spraying can be adjusted conveniently, the aim is brought, and the dust settling efficiency is greatly 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 a flow chart of the highway environment-friendly construction method of the invention;

FIG. 2 is a schematic view of a connection structure of the first drain pipe, the second drain pipe, the shower pipe and the first water tank according to the present invention;

FIG. 3 is a schematic view of a connection structure of the shower pipe and the first pipe according to the present invention;

fig. 4 is a schematic structural diagram of the protection net of the present invention;

fig. 5 is a schematic structural diagram of the mobile dust settling device of the present invention;

fig. 6 is a schematic structural view of the sliding groove and the sliding block when the sliding groove and the sliding block are matched.

Detailed Description

The present invention is further 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 text.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

As shown in fig. 1/2/5, the present invention provides an environment-friendly construction method for expressway, including the following steps:

arranging drainage ditches at two sides of a highway, and arranging a first drainage pipe in the drainage ditches; the first drainage pipe comprises a first pipe 20 and a second pipe 21, the first pipe 20 is directly connected to the top end of a first water tank 22, a plurality of interfaces 201 longitudinally distributed along the first pipe 20 are arranged on the first pipe 20, a spray pipe 23 is installed at the position of the interface 201 where a construction section is located, and a sealing element is installed at the interface 201.

Step two, leveling the roadbed, paving a cushion layer above the roadbed, paving a waterproof layer above the cushion layer, paving a drainage layer 24 above the waterproof layer, installing a plurality of second drainage pipes 25 on two sides of the drainage layer 24, communicating the second drainage pipes 25 with the second pipes 21, and communicating the second pipes 21 with the bottom end of the first water tank 22.

And thirdly, laying a steel wire mesh 26 above the drainage layer 24, and laying a filter layer 27 between the steel wire mesh 26 and the drainage layer 24.

Paving protective nets 28 on two sides of a road, wherein the protective nets 28 are composed of soft pipe bodies which are criss-cross and communicated with each other, and criss-cross connecting lines 280 are arranged in meshes of the protective nets 28; a pressure lever 281 is arranged on the edge of the protection net 28.

Step five, in the construction period of the non-rainfall period, starting an automatic dust settling system, wherein the automatic dust settling system comprises:

the mobile dust settling device comprises a vehicle body 30, a second water tank 31 and a first water spraying mechanism, wherein the second water tank 31 is arranged on the vehicle body 30, the first water spraying mechanism is symmetrically arranged on two sides of the second water tank 31, the first water spraying mechanism comprises a top pipe 320, a branch pipe 321, a bottom pipe 322 and a supporting part, the top pipe 320 is in liquid communication with the second water tank 31, the branch pipe 321 is in liquid communication with the top pipe 320, and a plurality of second nozzles in liquid communication with the branch pipe 321 are arranged on the bottom pipe 322; the top pipe 320 is movably and rotatably arranged at one side of the top end of the second water tank 31; the plurality of branch pipes 321 are arranged and uniformly connected between the top pipe 320 and the bottom pipe 322 at intervals; the support portion is provided between the branch pipe 321 and the side end of the second tank 31 to rotate the branch pipe 321 about the second tank 31.

The intelligent control device comprises a controller, a dust monitoring module and an automatic adjusting module; the dust monitoring module is used for monitoring the dust density in the air within the range of 0-10 meters around the vehicle body 30 and the road construction section, and judging whether to send alarm information to the controller according to whether the dust density information exceeds a set threshold value or not, so that the opening and closing of the first spray nozzle 233 and the second spray nozzle are controlled; the automatic adjustment module is used for receiving the dust densities of different areas in the monitoring range sent by the dust monitoring module, so as to adjust the rotating angle of the branch pipe 321 relative to the first water tank 22 and the rotating angle of the spray pipe 23, so that the sprayed water falls into the area with high dust density.

In the scheme, the first pipe 20, the second pipe 21, the second drain pipe 25, the first water tank 22 and the spray pipe 23 are installed at the construction section of the highway, so that the settled construction wastewater and rainwater can be collected conveniently through the drainage layer 24, are transmitted into the first water tank 22 through the second pipe 21 for filtering, are transmitted to the spray pipe 23 through the first pipe 20 and are sprayed out through the first spray head 233 to perform dust fall treatment on the construction highway section, thereby solving the problem of accumulated water in the construction area, collecting and utilizing the wastewater, and facilitating dust fall in the later construction in a spraying mode of the spray pipe 23; the first pipe 20 is provided with an interface 201 for installing the spraying pipe 23, the detachable sealing piece is installed on the interface 201 in the non-construction area section, the spraying pipe 23 can be detached and installed on the interface 201 of the first pipe 20 of the next section along with the completion of one section of construction section, after the construction is completed, the spraying pipe 23 can be detached and repeatedly used in the road construction, the construction cost is reduced, and meanwhile the dust fall problem of the construction section is solved.

Through laying protection network 28 in highway both sides, utilize the combination that soft body and connecting wire 280 constitute, and through the mode of the fixed protection network 28 periphery of depression bar 281, not only be convenient for the receipts of protection network 28 with, the guard action of protection network 28 to below dust of being convenient for simultaneously avoids appearing the condition that below dust flies upward.

By arranging the dust monitoring module, the dust density in the surrounding air can be monitored conveniently in the moving process of the vehicle body 30, meanwhile, different dust density areas in the monitoring range of the vehicle body can be divided, if the dust density is monitored to exceed the threshold value set by a constructor, the dust monitoring module transmits early warning information to the controller, then, the area to be sprayed is locked through the automatic adjusting module, the movement of the top pipe 320, the angle of the branch pipe 321 relative to the second water tank 31 and the rotating angle of the spraying pipe 23 are controlled, after the adjustment is finished, the controller controls the opening of the second nozzle/first nozzle 233, so that the second nozzle/first nozzle 233 sprays water to the area with the maximum dust density in the early warning information, the positions of the top pipe 320 and the branch pipe 321 are adjusted step by step, the spraying area is indirectly adjusted to gradually transit from the area with the maximum dust density to the minimum density in the early warning information, thereby realize the fixed point injection to the dust density superscript region to make the settlement of dust more quick effective, avoided the waste of unnecessary water resource simultaneously. The movement of automobile body 30 is controlled by the controller, is convenient for adjust the scope of spraying, is convenient for simultaneously spray water dust fall according to the density automation of dust, and is more intelligent convenient.

The top pipe 320 is communicated with the second water tank 31 at the top part through a water pipe by communicating the liquid of the second spray heads on the top pipe 320, the branch pipe 321 and the bottom pipe 322, so that the liquid in the second water tank 31 is sprayed out through the top pipe 320, the branch pipe 321 and the second spray head, and the dust-settling water is saved; the arrangement mode that the top pipe 320 can move back and forth and the arrangement mode that the branch pipe 321 can rotate relatively are combined with the movement of the vehicle body 30, so that the spraying range and the spraying area can be adjusted conveniently, targeting is facilitated, and the dust settling efficiency is greatly improved.

In a preferred embodiment, the spraying pipe 23 includes an inner pipe 230 and an outer pipe, the inner pipe 230 is a flexible pipe, the outer pipe includes a first rod 231 and a second rod 232, the second rod 232 is rotatably disposed above the first rod 231, a top end of the second rod 232 is bent to one side relative to the first rod 231, and a top end of the second rod 232 is provided with a first nozzle 233.

In the above solution, as shown in fig. 3, the inner tube 230 is set as a soft tube, which is beneficial to the rotation of the second rod 232; the setting of outer tube is convenient for inner tube 230 fixed and protection, and passes through the rotation and the bending of the relative first body of rod 231 of the second body of rod 232, and the mode that regional and sprayed is treated spraying in the selection in wider range, the crooked top of the second body of rod 232, the top of being convenient for sets up the first shower nozzle 233 that sprays to one side, guarantees once to spray towards an effective direction.

In a preferred embodiment, the connection manner between the protection net 28 and the pressing rod 281 is as follows: an elastic hose is arranged on the edge of the protective net 28, the pressure lever 281 is composed of a plurality of sleeves 282 which are sleeved with each other, an opening is arranged on one side of each sleeve 282, and the elastic hose is clamped and fixed in the opening; the surface of the sleeve 282 perpendicular to the opening is provided with a positioning hole 283, and the diameter of the sleeve 282 is at least 2.5 times of the diameter of the elastic hose.

In the above-described aspect, as shown in fig. 4, by providing an elastic hose on the outer periphery of the protection net 28, it is easy to store the protection net 28 when attaching and detaching the grommet 282, and it is also easy to attach the grommet 282 to reliably fix the protection net 28; the sleeving manner of the sleeves 282 is that when the protective net 28 is stored, the sleeves 282 are pulled out and folded in half, so that the storage of the protective net 28 can be completed, the protective net is convenient to unfold for use in the future, and the knotting phenomenon cannot occur; through setting up the diameter of the relative elastic hose of sleeve 282, be convenient for set up the position of locating hole 283, when avoiding passing locating hole 283 through the mounting, the elastic hose causes the interference.

In a preferred embodiment, the top pipe 320 is movably and rotatably disposed in the following specific manner: the top end of the second water tank 31 is symmetrically provided with sliding grooves 324, and the cross section of each sliding groove 324 is of a major arc structure larger than a semicircle; one surface of the top pipe 320 opposite to the sliding chute 324 is provided with a sliding block 325 matched with the sliding chute 324, the sliding block 325 is clamped in the sliding chute 324 in a rotatable manner, one side of the sliding block 325 close to the front end of the vehicle body 30 is connected with a first air cylinder, and the first air cylinder is controlled by the controller so that the sliding block 325 moves in the sliding chute 324.

In the above solution, as shown in fig. 6, the cross section of the sliding groove 324 is a major arc, so that the sliding block 325 is conveniently clamped and fixed in the sliding groove 324, and the arc-shaped surface of the sliding groove 324, which is in contact with the sliding block 325, facilitates the rotation of the top pipe 320, and reduces the resistance to the rotation; the controller controls the first air cylinder, so that the controller can adjust the front and back movement position of the top pipe 320 according to the spraying requirement, and the top pipe 320, the branch pipe 321 and the bottom pipe 322 are integrally connected, so that the spraying position of the second sprayer is indirectly adjusted.

In a preferred embodiment, the supporting portion includes a U-shaped frame 33 and second cylinders 34 symmetrically disposed at two sides of the U-shaped frame 33, two ends of the U-shaped frame 33 are respectively connected to two ends of the top pipe 320 and are parallel to a side end of the second water tank 31, a first end of the second cylinder 34 is connected to the U-shaped frame 33, a second end of the second cylinder 34 is connected to the branch pipes 321 located at two sides of the top pipe 320, and the second cylinder 34 is controlled by the controller, so that a plane where the branch pipes 321 are located rotates by 0-60 degrees around the second water tank 31.

In the above scheme, the abutting joint of the U-shaped frame 33 and the top pipe 320 is beneficial to ensuring the integral rigidity when the top pipe 320 drives the U-shaped frame 33 to move; the U-shaped frame 33 is parallel to the side end of the second water tank 31, so that the U-shaped frame 33 can move conveniently; the controller controls the extension and contraction of the second cylinder 34, so that the rotating angle of the surface where the branch pipe 321 is located is controlled, the range and the distance of water spraying of the second spray head are further controlled, and the possibility of a spraying area is higher.

In a preferable scheme, a steel wire mesh 26 is laid at the upper end of the drainage layer 24, and meshes of the steel wire mesh 26 are set to be 1-2 mm; the top end of the drainage layer 24 is provided with a wave-shaped groove, and the wave-shaped groove is communicated with the second drainage pipe 25 through liquid.

In the above scheme, through lay 1-2 millimeters wire net 26 on the drainage blanket 24, the sedimentary rainwater of being convenient for flows to drainage blanket 24, the setting of wave type recess for the running water is changeed the gathering, thereby is convenient for rivers to the second drain pipe 25 in, and finally collect in first water tank 22, when guaranteeing the drainage, collects waste water, make full use of rainwater resource.

In a preferred scheme, the first drainage pipe is connected to the bottom end of the first water tank 22, the top end of the first water tank 22 is connected with a water main 29, and a filtering device 30 matched with the first water tank 22 is arranged below the inner side of the first water tank 22.

In the above scheme, first drain pipe includes first pipe 20 and second pipe 21, shower 23 sets up on first pipe 20, first pipe 20 lug connection to filter equipment 30's top, second pipe 21 docks the bottom that second drain pipe 25 is connected to first water tank 22, in the waste water entering first water tank 22 of second pipe 21, the rise of water level, make waste water purify through filter equipment 30, water above filter equipment 30 gets into shower 23 through first pipe 20 again and sprays, the clean degree of erupting water has been guaranteed to a certain extent, thereby improve the effect of dust fall, and avoid the pollution to constructor and environment, filter equipment 30's filter core constitutes and filters the same among the prior art.

In a preferable scheme, third air cylinders controlled by the controller are arranged at 4 corners of the bottom end of the second water tank 31, so that the second water tank 31 moves up and down.

In the above scheme, through second water tank 31 bottom edge sets up the third cylinder, through the flexible of controller control third cylinder, thereby drive second water tank 31 reciprocates to the position that the cooperation second shower nozzle sprays enlarges the scope that the second shower nozzle sprays, and more do benefit to and guarantee the accuracy that the second shower nozzle sprays to appointed within range.

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.