CN111424510A - Asphalt pavement construction device in rain and construction method thereof - Google Patents

Abstract

The invention relates to an asphalt pavement construction device in the rain and a construction method thereof, belonging to the technical field of road construction. An asphalt pavement construction device in the rain comprises a base, a scaffold and a waterproof membrane, and the scaffold comprises a column, a beam, a bracket and a bow frame. The vertical column is fixed on the base, the horizontal beam is fixed on the vertical column, two beams are arranged, the bow frame is arranged on the beam, the bracket is hinged on the beam, the waterproof membrane is arranged on the scaffold and the bracket, and the column is provided with a driver. The assembly also includes a roll for winding the waterproof membrane, and the two ends of the waterproof membrane are respectively wound on the two rolls. During construction, the excess parts on both sides of the waterproof membrane are rolled up on the rolls; the waterproof membrane on the bracket is inclined to the outside of the road surface, so that the rainwater is drained to the outside on both sides of the road surface; and there is a certain gap between the waterproof membrane and the ground. Distance, in the process of construction at the edge of the road, the construction machinery will not be in contact with the waterproof membrane, reducing the damage of the waterproof membrane.

Description

A kind of asphalt pavement construction device in rain and construction method thereof

technical field

The invention relates to the technical field of road construction, in particular to an asphalt pavement construction device in the rain and a construction method thereof.

Background technique

Asphalt pavement refers to various types of pavements paved with road asphalt materials mixed with mineral materials. Asphalt binder improves the ability of paving aggregates to resist road damage caused by traffic and natural factors, making the road smooth, less dusty, impermeable and durable. Therefore, asphalt pavement is one of the most widely used advanced pavements in road construction.

The Chinese Patent Application Publication No. CN108824121A discloses a rainy day asphalt pavement construction method, including the following steps: S1, foundation treatment; S2, canopy installation; hoisting two end support frames and installing them on the limit formwork; A first connection baffle is fixed between the end support frames, and a first waterproof plastic film is covered above the two end support frames; S3, laying the base layer; S4, laying a surface layer; by setting the main shed, the first waterproof plastic film ; to cover the rain.

The above-mentioned prior art solutions have the following defects. During construction, the first waterproof plastic film covers the entire construction road, and when the edge of the construction road is constructed, the construction tools are easily in contact with the first waterproof plastic film, resulting in the first waterproof plastic film. Film damage.

SUMMARY OF THE INVENTION

One of the objectives of the present invention is to provide an asphalt pavement construction device in the rain, which has the advantage of reducing the damage of the waterproof membrane.

The above-mentioned technical purpose of the present invention is achieved through the following technical solutions:

An asphalt pavement construction device in the rain comprises a base, a scaffold and a waterproof membrane, the scaffold comprises a column, a beam, a bracket and a bow frame, the column is vertically fixed on the base, and the beam is horizontally fixed on the column Above, the beams are provided with two, the bow frame is arranged on the beam, the bracket is hinged on the beam, the waterproof membrane is arranged on the scaffold and the bracket, and the column is provided with a device for driving the bracket to rotate around the beam. It also includes a roll for winding the waterproof membrane, two rolls are provided, and both ends of the waterproof membrane are respectively wound on the two rolls.

By adopting the above technical solution, during construction, after the installation of the scaffolding is completed, the support is driven to rotate around the beam by the driving component, and the support is at an acute angle with the vertical plane, and the redundant parts on both sides of the waterproof membrane are wound on the rolls; The waterproof membrane on the bracket is inclined to the outside of the road, so that the rainwater is drained to the outside on both sides of the road; and there is a certain distance between the waterproof membrane and the ground, during the construction process at the edge of the road, the construction machinery will not be connected with the waterproof. Membrane contact reduces the damage of the waterproof membrane; at the same time, it is convenient for workers or machinery to enter and exit the construction road, improving the construction efficiency in the rain; and when the construction environment is in windy and rainy weather, the rainwater falls obliquely, and the bracket is driven by the driving component to rotate to a vertical state, Then unwind the roll so that the roll is lowered to the ground, so that the waterproof film completely seals both sides of the road surface, effectively preventing rainwater from falling onto the construction road.

In a preferred example of the present invention, it can be further configured as follows: the drive assembly includes a pulling rope, a pulley and a reel, the reel is rotatably arranged on the column, the pulley is rotatably arranged on the beam, and the pulley is rotatably arranged on the beam. The rope is wound around the pulley, and one end of the pulling rope is fixedly connected to the reel, and the other end is fixedly connected to the bracket. A limit component for limiting the rotation of the reel is arranged on the upright column.

By adopting the above technical solution, during construction, the reel is rotated, the reel drives the pull rope to move, and the pull rope pulls the bracket to rotate, so that the bracket and the vertical plane are at a certain inclination angle, and the limit component serves to limit the position of the bracket. function to ensure the stability of the bracket position.

In a preferred example of the present invention, it can be further configured as follows: the limiting component includes a worm wheel and a worm, the worm wheel is coaxially and fixedly connected to the winding wheel, the worm is rotatably arranged on the column, and the worm is engaged with the worm wheel A motor is fixed on the column, and the output shaft of the motor is coaxially and fixedly connected with the worm.

By adopting the above technical solution, when in use, the motor is started, the motor drives the worm to rotate, and the worm drives the worm wheel to rotate, so as to realize the purpose of driving the winding wheel to rotate; and the worm wheel cooperates with the worm to prevent the bracket from automatically deflecting downward under the action of gravity To ensure the stability of the bracket position.

In a preferred example of the present invention, it can be further configured that: the bracket includes a fixed rod perpendicular to the beam, a movable rod is slidably passed through the fixed rod, and an end of the movable rod away from the fixed rod is fixedly provided with a mounting seat , the rolling roller is arranged on the mounting seat for rotation, the mounting seat is provided with a coil spring for driving the rolling roller to rotate so that the waterproof film is stored on the rolling roller, and the mounting seat is provided with a spring for limiting the rotation of the rolling roller Positioning components.

By adopting the above technical solution, when it is necessary to accommodate part of the waterproof membrane, the restriction of the positioning assembly is first released, and the worker manually pushes the mounting seat upward to make the movable rod slide into the fixed rod. The waterproof membrane is wound on the roll, so that a certain space is formed between the waterproof membrane and the ground, which is convenient for workers to construct at the edge of the road, and at the same time, it is convenient for workers to enter and exit the construction road, and the construction efficiency is improved.

In a preferred example of the present invention, it can be further configured that: the positioning assembly includes a limit gear, a mounting block and a limit pin, the limit gear is coaxially fixed on the roll, and the mounting block is fixed on the On the mounting seat, the mounting block is provided with a through hole penetrating the mounting block, the limit pin is slidably penetrated in the through hole, and one end of the limit pin close to the limit gear is provided with a tooth for inserting the limit gear. the tip of the groove.

By adopting the above technical solution, during use, the limit pin is pushed toward the limit gear, so that the tip portion is inserted into the tooth slot of the limit gear, thereby achieving the purpose of preventing the rolling roller from rotating.

In a preferred example of the present invention, it can be further configured as follows: the mounting block is provided with a compression spring for driving the limit pin to move toward the limit gear, and the end of the limit pin away from the limit gear is fixedly provided with a pull rod, A positioning block is fixedly arranged on the side wall of the mounting block away from the limit gear. The positioning block is provided with a positioning hole extending through the through hole. The compression spring is sleeved on the pull rod, and one end of the pull spring is connected to the limit pin The other end is in contact with the positioning block, and the pull rod extends out of the positioning hole.

By adopting the above technical solution, the elastic force of the compression spring drives the limit pin to move toward the limit gear, so that the limit pin remains inserted into the limit gear, and the stability of the limit is improved.

In a preferred example of the present invention, it can be further configured as follows: the inner wall of the positioning hole is provided with a positioning groove along the axial direction of the positioning hole, the pull rod is fixedly provided with a protrusion that is slidably connected with the positioning groove, and the pull rod One end protruding out of the positioning hole is fixedly provided with a handheld platform.

By adopting the above technical solution, when the waterproof membrane needs to be stored, the hand-held table is moved outward to make the bump completely detach from the positioning groove, and then the limit pin is rotated to dislocate the bump and the positioning groove, and then the hand-held table is released. The protruding block is in close contact with the side wall of the positioning block. At this time, the tip part is kept away from the limit gear, and the worker does not need to hold the hand-held table all the time, and the operation is simple and convenient.

In a preferred example of the present invention, it can be further configured that: the fixed rod and the movable rod are provided with a disengagement prevention part for preventing the movable rod from being separated from the fixed rod.

By adopting the above technical solution, the disengagement prevention portion is provided to prevent the movable rod from detaching from the fixed rod.

In a preferred example of the present invention, it can be further configured that: the bow frame is detachably arranged on the beam.

By adopting the above technical solution, the disassembly of the arched beam is facilitated, and the transport is facilitated after use.

Another object of the present invention is to provide a construction method for asphalt pavement in the rain, which has the advantage of reducing damage to the waterproof membrane.

A construction method for asphalt pavement in rain, comprising the following steps:

S1. Foundation treatment, removing the dirt and debris on the original road surface and repairing the pits and grooves;

S2, canopy installation;

S21. Install the four columns in a rectangular distribution on both sides of the road to be constructed, install the beam along the length of the road, then hoist the bow frame, and install the bow frame on the cross beam;

S22. Lay the waterproof membrane on the bow frame;

S23, drive the bracket to rotate around the beam through the driving component, and make the bracket and the vertical plane form an acute angle;

S24, winding the excess parts on both sides of the waterproof membrane on the roll;

S3. In the construction environment of windy and rainy weather, the rainwater falls obliquely, and the support is driven to rotate to a vertical state by the driving component, and then the roll is unwound, so that the roll is lowered to the ground;

S4. Pavement construction.

By adopting the above technical solution, before pavement construction, the scaffolding is installed first, then the waterproof membrane is laid, and the bracket is driven to rotate around the beam by the driving component, so that the bracket is at an acute angle with the vertical plane, and the excess parts on both sides of the waterproof membrane are rolled up On the roll, in the construction environment of windy and rainy weather, the rainwater falls obliquely, and the support is driven to rotate to a vertical state by the driving component, and then the roll is unwound, so that the roll is lowered to the ground; it plays the role of shielding the wind and rain, In rainy days with no wind or light wind, the rolls roll up both ends of the waterproof membrane, so that the rolls have a certain distance from the ground, which is convenient for workers to enter and exit the road, and when the edge of the road is constructed, the waterproof membrane can be prevented from interfering with the construction. machinery, reduce the damage of the waterproof membrane and improve the construction efficiency.

To sum up, the present invention includes at least one of the following beneficial technical effects:

1. During construction, after the scaffolding is installed, drive the bracket to rotate around the beam through the driving component, and make the bracket and the vertical surface at an acute angle, and wind the excess parts on both sides of the waterproof membrane on the roller; The membrane is inclined to the outside of the road surface, so that the rainwater is drained to the outside of the road surface; and there is a certain distance between the waterproof membrane and the ground, during the construction process at the edge of the road surface, the construction machinery will not be in contact with the waterproof membrane. Small waterproof membrane damage; at the same time, it is convenient for workers or machinery to enter and exit the construction road, improving the construction efficiency in the rain; and when the construction environment is windy and rainy, the rainwater falls obliquely, and the bracket is driven by the driving component to rotate to a vertical state, and then unwind the roll. rollers, so that the rollers drop to the ground, so that the waterproof film completely seals both sides of the road surface, effectively preventing rainwater from falling onto the construction road surface;

2. During construction, turn the reel, the reel drives the pull rope to move, and the pull rope pulls the bracket to rotate, so that the bracket and the vertical plane are at a certain inclination angle, and the limit component plays a role in limiting the position of the bracket to ensure the bracket the stability of the position;

3. When it is necessary to store the waterproof membrane, turn the hand-held table outwards to make the bumps completely detach from the positioning grooves, and then turn the limit pins to dislocate the bumps from the positioning grooves, and then release the hand-held table, the bumps and the positioning grooves. The side wall of the block is pressed tightly, and the tip part is kept away from the limit gear at this time, and the worker does not need to hold the hand-held table all the time, and the operation is simple and convenient.

Description of drawings

Fig. 1 is the overall structural representation of the present invention;

Fig. 2 is the structural representation of the scaffold of the present invention;

Fig. 3 is the enlarged view of A part in Fig. 2;

Fig. 4 is an enlarged view of part B in Fig. 2;

5 is a schematic structural diagram of a positioning assembly of the present invention;

FIG. 6 is an enlarged view of the C part in FIG. 5 .

Reference numerals: 1, base; 2, scaffold; 21, column; 211, motor; 22, beam; 221, embedded groove; 23, bracket; 231, fixed rod; 232, movable rod; 24, bow frame; 241, cross bar; 242, arc bar; 3, waterproof membrane; 41, rope; 42, pulley; 43, reel; 5, roller; 6, limit component; 61, worm gear; 62, worm; 7. Mounting seat; 71, coil spring; 72, positioning block; 721, positioning hole; 7211, positioning groove; 8, positioning assembly; 81, limit gear; 82, mounting block; 821, through hole; 83, limit Pin; 831, tip part; 832, compression spring; 833, pull rod; 8331, bump; 8332, hand-held table; 9, anti-fall part; 91, raised edge; 92, edge; 10, pressure rod; 101, bolt .

Detailed ways

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

Example 1:

As shown in Figures 1 and 2, an asphalt pavement construction device in the rain includes a base 1, a scaffold 2 and a waterproof membrane 3. The scaffold 2 includes a column 21, a beam 22, a bracket 23 and a bow frame 24, and the column 21 is vertically fixed On the base 1 , four uprights 21 are provided, the horizontal beams 22 are fixedly arranged on the uprights 21 , and two transverse beams 22 are provided.

As shown in FIG. 2 , the brackets 24 are arranged on the beam 22 , and a plurality of brackets 24 are arranged at intervals along the length direction of the beam 22 , and the brackets 24 are detachably arranged on the beam 22 . The cross beam 22 is initially provided with embedded grooves 221 . The bow frame 24 includes a cross rod 241 and an arc rod 242 .

As shown in FIG. 2 , the bracket 23 is hinged on the beam 22 , the bracket 23 can rotate around the beam 22 , and the bracket 23 includes a fixed rod 231 perpendicular to the beam 22 . It also includes a roll 5 for winding the waterproof membrane 3 , two rolls 5 are provided, and both ends of the waterproof membrane 3 are respectively wound on the two rolls 5 .

As shown in FIG. 5 , the fixed rod 231 and the movable rod 232 are provided with a disengagement prevention part 9 for preventing the movable rod 232 from being separated from the fixed rod 231 . The anti-falling portion 9 includes a convex edge 91 fixed on the movable rod 232 and extending into the fixed rod 231, and a surrounding edge 92 fixed on the fixed rod 231 close to the movable rod 232. When the surrounding edge 92 collides with the convex edge 91, the movable rod 232 position limit.

As shown in FIGS. 2 and 3 , the waterproof membrane 3 (see FIG. 1 ) is arranged on the shelf 2 and the bracket 23 , and a pressure rod 10 is arranged on the waterproof membrane 3 . The bolts 101 are fixedly connected to the beam 22; during construction, after the waterproof membrane 3 is laid, the pressure rod 10 is pressed on the waterproof membrane 3, and is fixedly connected to the beam 22 through the bolts 101, so as to compress the waterproof membrane 3. Purpose.

As shown in FIGS. 3 and 4 , the upright column 21 is provided with a drive assembly for driving the bracket 23 to rotate around the beam 22 ; The reel 43 is rotatably arranged on the column 21, and the pulley 42 is rotatably arranged on the beam 22; connect. And each beam 22 is provided with two pulleys 42 .

As shown in FIGS. 2 and 4 , the upright column 21 is provided with a limit assembly 6 for limiting the rotation of the reel 43 , and the limit assembly 6 includes a worm wheel 61 and a worm 62 . The worm wheel 61 is coaxially and fixedly connected with the winding wheel 43, the worm 62 is rotatably arranged on the column 21, the worm 62 is meshed with the worm wheel 61, and the column 21 is fixedly provided with a motor 211. The motor 211 adopts a servo motor 211, and the output shaft of the motor 211 is The worm 62 is coaxially and fixedly connected.

During construction, start the motor 211, the motor 211 drives the worm 62 to rotate, the worm 62 drives the worm wheel 61 to rotate, and drives the reel 43 to rotate, the reel 43 drives the pull rope 41 to move, and the pull rope 41 pulls the bracket 23 to rotate, so that the bracket 23 It is inclined at a certain angle to the vertical plane, and the limiting component 6 plays the role of limiting the position of the bracket 23 to ensure the stability of the position of the bracket 23 . The worm wheel 61 cooperates with the worm 62 to prevent the bracket 23 from automatically deflecting downward under the action of gravity, so as to ensure the stability of the position of the bracket 23 .

Wherein, as shown in FIG. 5 , the end of the movable rod 232 away from the fixed rod 231 is fixedly provided with a mounting seat 7 , the rolling roller 5 is rotatably arranged on the mounting seat 7 , and the mounting seat 7 is provided with a mounting seat 7 for driving the rolling roller 5 to rotate to make waterproof The film 3 is accommodated in a coil spring 71 on the winding roller 5 , one end of the coil spring 71 is fixedly connected to the mounting seat 7 , and the other end is fixedly connected to the winding roller 5 .

As shown in FIGS. 5 and 6 , the mounting base 7 is provided with a positioning assembly 8 for limiting the rotation of the winding roller 5 . The positioning assembly 8 includes a limiting gear 81 , a mounting block 82 and a limiting pin 83 . The limit gear 81 is coaxially fixed on the roller 5 , the mounting block 82 is fixed on the mounting seat 7 , the mounting block 82 has a through hole 821 penetrating the mounting block 82 , and the limit pin 83 slides through the through hole 821 Inside. An end of the limit pin 83 close to the limit gear 81 is provided with a tip portion 831 for being inserted into the tooth groove of the limit gear 81 .

When it is necessary to accommodate part of the waterproof membrane 3, the restriction of the positioning assembly 8 is first released, and the worker manually pushes the mounting seat 7 upward to make the movable rod 232 slide into the fixed rod 231. At this time, the elastic force of the coil spring 71 drives the coil roller 5 to rotate, and then The waterproof membrane 3 is wound on the roll 5, so that a certain space is formed between the waterproof membrane 3 and the ground, which is convenient for workers to construct at the edge of the road surface, and at the same time, it is convenient for workers to enter and exit the construction road surface, and the construction efficiency is improved.

5 and 6 , a pull rod 833 is fixed at one end of the limit pin 83 away from the limit gear 81 , and the cross-sectional area of the pull rod 833 is smaller than that of the limit pin 83 . A positioning block 72 is fixedly disposed on the side wall of the mounting block 82 away from the limit gear 81 . The positioning block 72 is provided with a positioning hole 721 extending through the through hole 821 , and a positioning groove 7211 is formed on the inner wall of the positioning hole 721 along the axial direction of the positioning hole 721 . The mounting block 82 is provided with a compression spring 832 for driving the limit pin 83 to move in a direction close to the limit gear 81 . Abutting with the positioning block 72;

As shown in Figures 5 and 6, the pull rod 833 protrudes out of the positioning hole 721, the pull rod 833 is fixedly provided with a protrusion 8331 slidingly connected with the positioning groove 7211, and the end of the pull rod 833 that extends out of the positioning hole 721 is fixedly provided with a handheld stand 8332.

When the waterproof membrane 3 needs to be stored, move the hand-held table 8332 outwards so that the protrusions 8331 are completely separated from the positioning grooves 7211, and then turn the limit pins 83 to dislocate the protrusions 8331 and the positioning grooves 7211, and then release the hand-held table 8332, the bump 8331 is in close contact with the side wall of the positioning block 72. At this time, the tip portion 831 remains separated from the limit gear 81, and the operator does not need to hold the hand-held table 8332 all the time, and the operation is simple and convenient.

Specific working process: during construction, after the scaffolding 2 is installed, start the motor 211, the motor 211 drives the worm 62 to rotate, the worm 62 drives the worm wheel 61 to rotate, drives the reel 43 to rotate, and the reel 43 drives the rope 41 to move, The pull rope 41 pulls the bracket 23 to rotate, and makes the bracket 23 form an acute angle with the vertical plane, and winds the excess parts on both sides of the waterproof membrane 3 on the roll 5, so that the waterproof membrane 3 on the bracket 23 is inclined to the outside of the road. , the rainwater is diverted to the outside on both sides of the road. In addition, there is a certain distance between the waterproof membrane 3 and the ground. During the construction process at the edge of the road surface, the construction machinery will not contact the waterproof membrane 3, thereby reducing the damage of the waterproof membrane 3. At the same time, it is convenient for workers or mechanical equipment to enter and exit the construction road, and the construction efficiency in the rain is improved; when the construction environment is windy and rainy, the rainwater falls obliquely, and the bracket 23 is driven by the driving component to rotate to a vertical state, and then the winding roller 5 is unwound to The rolling roller 5 is lowered to the ground, so that the waterproof membrane 3 completely seals both sides of the road surface, effectively preventing rainwater from falling onto the construction road surface.

Embodiment 2:

A construction method for asphalt pavement in rain, comprising the following steps:

S1. Foundation treatment, removing the dirt and debris on the original road surface and repairing the pits and grooves;

S2, canopy installation;

S21, the four uprights 21 are installed in a rectangular distribution on both sides of the road to be constructed, and the beams 22 are installed along the length of the road surface, and then the bow frame 24 is hoisted, and the bow frame 24 is installed on the cross beam 22;

S22, laying the waterproof membrane 3 on the bow frame 24;

S23, drive the bracket 23 to rotate around the beam 22 through the drive assembly, and make the bracket 23 and the vertical plane form an acute angle;

S24, winding the excess parts on both sides of the waterproof membrane 3 on the roll 5;

S3. When in the construction environment of wind and rainy weather, the rainwater falls obliquely, and the bracket 23 is driven to rotate to a vertical state by the driving assembly, and then the roll 5 is unwound, so that the roll 5 is lowered to the ground;

S4. Pavement construction.

By adopting the above technical solution, before pavement construction, the scaffolding 2 is installed first, then the waterproof membrane 3 is laid, and the bracket 23 is driven to rotate around the beam 22 by the driving component, and the bracket 23 is formed at an acute angle with the vertical surface, and the waterproof membrane 3 is installed. The excess parts on both sides are wound on the roll 5. When the construction environment is windy and rainy, the rainwater falls obliquely, and the bracket 23 is driven to rotate to a vertical state by the driving component, and then the roll 5 is unwound to make the roll 5 descend. To the ground; play the role of shielding wind and rain, and in the rainy days with no wind or light wind, the roll 5 will roll up the two ends of the waterproof membrane 3, so that the roll 5 and the ground have a certain distance, which is convenient for workers to enter and exit the road, In addition, when the edge of the road surface is constructed, the waterproof membrane 3 is prevented from interfering with the construction machinery, the damage of the waterproof membrane 3 is reduced, and the construction efficiency is improved.

The embodiments of this specific embodiment are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore: all equivalent changes made according to the structure, shape and principle of the present invention should be covered in within the protection scope of the present invention.

Claims (10)

1. The utility model provides a bituminous paving construction equipment in rain, includes base (1), rack (2) and waterproof membrane (3), its characterized in that: the shed frame (2) comprises upright columns (21), cross beams (22), supports (23) and arched frames (24), the upright columns (21) are vertically and fixedly arranged on the base (1), the cross beams (22) are horizontally and fixedly arranged on the upright columns (21), the number of the cross beams (22) is two, the arched frames (24) are arranged on the cross beams (22), the supports (23) are hinged to the cross beams (22), the waterproof films (3) are arranged on the shed frame (2) and the supports (23), and the upright columns (21) are provided with driving assemblies for driving the supports (23) to rotate around the cross beams (22); still including winding up roller (5) that are used for rolling up waterproofing membrane (3), winding up roller (5) set up two, the both ends of waterproofing membrane (3) are around locating on two winding up rollers (5) respectively.

2. The asphalt pavement working apparatus in the rain according to claim 1, wherein: the drive assembly comprises a pull rope (41), a pulley (42) and a reel (43), wherein the reel (43) is rotatably arranged on the stand (21), the pulley (42) is rotatably arranged on the cross beam (22), the pull rope (41) is wound on the pulley (42), one end of the pull rope (41) is fixedly connected with the reel (43), the other end of the pull rope is fixedly connected with the bracket (23), and the stand (21) is provided with a limiting assembly (6) for limiting the rotation of the reel (43).

3. The asphalt pavement working apparatus in the rain according to claim 2, wherein: spacing subassembly (6) include worm wheel (61) and worm (62), worm wheel (61) and reel (43) coaxial fixed connection, worm (62) rotate to set up on stand (21), worm (62) and worm wheel (61) meshing, the fixed motor (211) that is provided with on stand (21), the output shaft and the worm (62) coaxial fixed connection of motor (211).

4. The asphalt pavement working apparatus in the rain according to claim 1, wherein: support (23) are including dead lever (231) of perpendicular to crossbeam (22), it wears to be equipped with movable rod (232) to slide in dead lever (231), the fixed mount pad (7) that is provided with of one end that dead lever (231) were kept away from in movable rod (232), winding up roller (5) rotate and set up on mount pad (7), be provided with on mount pad (7) and be used for driving about winding up roller (5) and rotate so that waterproof membrane (3) accomodate wind spring (71) on winding up roller (5), be provided with on mount pad (7) and be used for injecing winding up roller (5) pivoted locating component (8).

5. The asphalt pavement working apparatus in the rain according to claim 4, wherein: locating component (8) include limit gear (81), installation piece (82) and spacer pin (83), limit gear (81) coaxial fixed sets up on winding up roller (5), installation piece (82) fixed set up on mount pad (7), through-hole (821) that run through installation piece (82) are seted up in installation piece (82), in through-hole (821) are worn to locate in spacer pin (83) slide, one end that spacer pin (83) are close to limit gear (81) is provided with tip (831) that is used for inserting the tooth's socket of limit gear (81).

6. The asphalt pavement working apparatus in the rain according to claim 5, wherein: be provided with on installation piece (82) and be used for ordering about gag pin (83) to being close to pressure spring (832) of motion of spacing gear (81) direction, the fixed pull rod (833) that is provided with of one end that spacing gear (81) were kept away from in gag pin (83), the fixed locating piece (72) that is provided with of lateral wall that spacing gear (81) were kept away from in installation piece (82), locating piece (72) are seted up and are run through locating hole (721) to through-hole (821), on pull rod (833) were located to pressure spring (832) cover, and the one end and the gag pin (83) butt of extension spring, the other end and locating piece (72) butt, pull rod (833) stretches out outside locating hole (721).

7. The asphalt pavement working apparatus in the rain according to claim 6, wherein: constant head tank (7211) have been seted up along the axial of locating hole (721) to the inner wall of locating hole (721), fixed being provided with on pull rod (833) with constant head tank (7211) the lug (8331) of being connected that slides, pull rod (833) stretch out the fixed handheld platform (8332) that is provided with of one end outside locating hole (721).

8. The asphalt pavement working apparatus in the rain according to claim 4, wherein: the fixed rod (231) and the movable rod (232) are provided with anti-drop parts (9) for preventing the movable rod (232) from dropping off the fixed rod (231).

9. The asphalt pavement working apparatus in the rain according to claim 1, wherein: the bow (24) is detachably arranged on the cross beam (22).

10. A construction method of asphalt pavement in rain is characterized in that: the method comprises the following steps:

s1, processing the foundation, removing soil and sundries on the original road surface and repairing the pit and groove depressions;

s2, installing a canopy;

s21, mounting four upright posts (21) on two sides of a to-be-constructed road surface in a rectangular distribution manner, mounting a cross beam (22) along the length direction of the road surface, hoisting an arch frame (24), and mounting the arch frame (24) on the cross beam (22);

s22, laying the waterproof membrane (3) on the bow-shaped frame (24);

s23, driving the bracket (23) to rotate around the cross beam (22) through the driving assembly, and enabling the bracket (23) to form an acute angle with the vertical plane;

s24, rolling the redundant parts on the two sides of the waterproof film (3) on a winding roller (5);

s3, when the construction environment is in a wind and rain weather, rainwater falls obliquely, the driving assembly drives the support (23) to rotate to a vertical state, and then the winding roller (5) is unreeled so that the winding roller (5) descends to the ground;

and S4, constructing the pavement.

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