CN113136773B

CN113136773B - Road shoulder hole reservation construction device and construction method

Info

Publication number: CN113136773B
Application number: CN202110408155.9A
Authority: CN
Inventors: 陈兰生; 邓雅图
Original assignee: Hunan Xiangjiao Construction Group Co ltd
Current assignee: Hunan Xiangjiao Construction Group Co ltd
Priority date: 2021-04-15
Filing date: 2021-04-15
Publication date: 2022-06-10
Anticipated expiration: 2041-04-15
Also published as: CN113136773A

Abstract

The application belongs to the field of road shoulder hole processing, and relates to a road shoulder hole reservation construction device and a construction method, wherein the road shoulder hole reservation construction device comprises a sleeve pipe positioned in the middle of a template, a positioner for keeping the sleeve pipe in a vertical state is arranged on the outer side of the sleeve pipe, the positioner is installed on the template, one side of the template is provided with a pulling-out mechanism, the pulling-out mechanism comprises a support, a plurality of clamping assemblies are arranged on the support, each clamping assembly corresponds to and clamps one sleeve pipe, and the pulling-out mechanism is provided with an electric driving assembly for simultaneously driving the plurality of clamping assemblies to rotate and ascend simultaneously; extract mechanism still includes water spray component and clearance subassembly, water spray component is used for the wet processing of concrete, the clearance subassembly is used for right concrete on the sleeve pipe is cleared up, and this application has the even effect of the dynamics of being convenient for control extraction sleeve pipe.

Description

Road shoulder hole reservation construction device and construction method

Technical Field

The application relates to the field of road shoulder hole processing, in particular to a road shoulder hole reservation construction device and a construction method.

Background

On the road with lower grade, the road shoulder is often set as a concrete road shoulder because the road is curved along the road, the line shape is poor, the slope is curved steeply, rainwater is concentrated to the lower part to be collected in rainy season, and the road shoulder is often washed. Meanwhile, in order to prevent vehicles from colliding and rushing out of roads, a corrugated guardrail is often arranged on a road shoulder, and after a prefabricated road shoulder or a cast-in-place road shoulder is paved, positioning drill holes are drilled into the road shoulder in general. The construction method can cause the damage of road shoulders, particularly precast concrete road shoulders, has large amount of post repair work, wastes time and labor for drilling, consumes a large amount of machinery, labor and time, and has poor engineering quality and economic benefit.

Can select at present to install between the template of curb before curb concreting and reserve the hole, then utilize the sleeve pipe setting, concreting in the template around the sleeve pipe, when concrete initial set, the staff rotates the sleeve pipe earlier, pulls out the change and changes, takes out the sleeve pipe, can reserve the hole on the curb.

In view of the above-mentioned related art, the inventor believes that when a worker takes out a casing from concrete, the worker cannot grasp the uniform force for taking out the casing, which may cause flaws inside the hole and even damage the shape of the concrete.

Disclosure of Invention

In order to facilitate the control of the uniform force for pulling out the sleeve, the application provides a road shoulder hole reservation construction device and a construction method.

First aspect, the application provides a construction equipment is reserved to curb hole adopts following technical scheme:

a road shoulder hole reservation construction device comprises a sleeve positioned in the middle of a template, wherein a positioner for enabling the sleeve to keep a vertical state is arranged on the outer side of the sleeve, the positioner is installed on the template, a pulling-out mechanism is arranged on one side of the template, the pulling-out mechanism comprises a support, a plurality of clamping assemblies are arranged on the support, each clamping assembly correspondingly clamps one sleeve, and an electric driving assembly for simultaneously driving the clamping assemblies to rotate and lift is arranged on the pulling-out mechanism; the pulling-out mechanism further comprises a water spraying assembly and a cleaning assembly, the water spraying assembly is used for wetting the concrete, and the cleaning assembly is used for cleaning the concrete on the sleeve.

By adopting the technical scheme, when the concrete forming the road shoulder is initially set, the sleeve needs to be taken out slowly in time, in the process, the clamping assembly is used for clamping the upper end of the sleeve, then the electric driving assembly is used for driving the sleeve to slowly ascend and rotate, the electric driving assembly can be used for conveniently controlling the drawn sleeve strength, and the damage to the road shoulder shape when the sleeve is drawn out can be reduced; because the surface of the concrete is dry compared with the interior of the concrete, the water spraying component wets the concrete on the surface of the road shoulder before the concrete is pulled out, and the destructiveness to the surface of the road shoulder can be reduced when the sleeve is pulled out; and because the sleeve pipe can be repeatedly used after the construction of the road shoulder reserved hole is finished, when the sleeve pipe is pulled out, the cleaning assembly is utilized to clean up the concrete on the surface of the sleeve pipe, so that the sleeve pipe is convenient to use next time.

Optionally, the clamping assembly comprises a first clamping plate and a second clamping plate, the sleeve is located between the first clamping plate and the second clamping plate, the first clamping plate is fixedly arranged at the lower end of the electric drive assembly, the second clamping plate is connected to the lower end of the electric drive assembly in a sliding mode along the horizontal direction, and a limiting part used for limiting the second clamping plate to slide is arranged on the support.

Through adopting above-mentioned technical scheme, when needs press from both sides tight sleeve pipe upper end with first splint and second splint jointly, place the sleeve pipe between first splint and second splint, then slide the second splint, make the second splint be close to first splint gradually, press from both sides tight sleeve pipe upper end jointly until second splint and first splint, then utilize the locating part, restrict the sleeve pipe is kept away from to the second splint, make first splint and second splint be in the state that keeps pressing from both sides tight sleeve pipe upper end, guarantee to prevent the sleeve pipe landing when first splint and second splint are pressed from both sides and are got the sleeve pipe.

Optionally, the locating part includes the bolt, bolt sliding connection in on the electric drive subassembly, the cover is equipped with the spring on the bolt, the both ends of spring are connected with bolt lateral wall and electric drive subassembly lower extreme respectively, when the spring did not deform, the bolt be used for the butt in the second splint and restriction the second splint are kept away from the sleeve pipe.

Through adopting above-mentioned technical scheme, when needs make first splint and the common tight sleeve pipe of second splint, the pulling bolt makes the bolt keep away from the second splint, and the spring produces deformation, then slides the second splint, makes the second splint be close to first splint, then loosens the bolt, and the bolt is at the lateral wall of the second splint of butt again under the deformation power of spring, and the sleeve pipe is kept away from to the restriction second splint, makes first splint and second splint be in the state that keeps the tight sleeve pipe upper end of clamp.

Optionally, the electric driving assembly includes a plurality of screws, the plurality of screws are vertically arranged, the lower ends of the screws are fixedly connected with the first clamping plate, a driving motor is arranged at the upper end of one of the screws, a fixing plate is fixedly connected to the bracket, the plurality of screws penetrate through the fixing plate, and an internal thread in threaded fit with the screws is arranged on the fixing plate; the plurality of the screws are coaxially and fixedly connected with gears, and the outer sides of the gears are jointly sleeved and meshed with toothed belts.

By adopting the technical scheme, when the first clamping plate and the second clamping plate drive the sleeve to ascend, the output shaft of the driving motor drives one of the screw rods to rotate by utilizing the driving motor, and the screw rods drive the first clamping plate and the second clamping plate to ascend while rotating due to the threaded fit of the screw rods and the fixing plate, and drive the sleeve to ascend while rotating; when one screw rod rotates, the gear is driven to rotate, the gear drives the toothed belt to rotate, the toothed belt drives the other screw rods to rotate simultaneously, one driving motor rotates, the other screw rods can be controlled to rotate simultaneously in a linkage mode, and the operation is convenient.

Optionally, the water spray assembly includes a plurality of shower nozzles, and is a plurality of the shower nozzle all moves towards the sleeve pipe lateral wall, and is a plurality of the shower nozzle is connected with the water pipe jointly, be provided with the water tank on the screw rod, the water pipe with the water tank intercommunication, be provided with the valve on the water pipe.

Through adopting above-mentioned technical scheme, before extracting the sleeve pipe, start the valve, the water in the water tank leads to pipe blowout to the sleeve pipe lateral wall, and clear water on the sleeve pipe flows down to the concrete surface, and is moist to the concrete surface, and the sleeve pipe is extracted in the later stage of being convenient for.

Optionally, be provided with the torsional spring on the valve, when the torsional spring did not deform, the valve was closed the water supply function of water pipe, be provided with the shifting block on the second splint, the shifting block is used for stirring torsional spring deformation makes the water pipe supplies water.

Through adopting above-mentioned technical scheme, at the in-process that the second splint removed to first splint, the shifting block is close to the valve gradually, and when the shifting block stirred the torsional spring and produced deformation, the valve was opened, and clear water flows out to the sleeve pipe lateral wall through the shower nozzle on, and when the torsional spring was kept away from to second splint drive shifting block, the torsional spring resumeed deformation gradually, and the valve reclosed the water supply function of water pipe, and the shower nozzle stops to the water spray of loop bar lateral wall.

Optionally, the cleaning assembly includes a cleaning brush, the cleaning brush is disposed on the bracket, and the cleaning brush is disposed around the circumference of the casing and clings to the side wall of the casing.

Through adopting above-mentioned technical scheme, at the in-process that the sleeve pipe rises, the cleaning brush sets up along sheathed tube circumference, and the cleaning brush clears up the concrete of sleeve pipe lateral wall.

In a second aspect, the present application provides a road shoulder hole reservation construction method, which adopts the following technical scheme:

a road shoulder hole reservation construction method comprises the following steps:

the method comprises the following steps: tightly attaching the first clamping plate to the upper end of the side wall of the sleeve;

step two: pulling the bolt, sliding the second clamping plate to enable the second clamping plate to be close to the first clamping plate, clamping the side wall of the sleeve together by the first clamping plate and the second clamping plate, then loosening the bolt, rebounding the bolt to abut against the second clamping plate, triggering the valve to open when the second clamping plate moves, and spraying water by the spray head to wet the concrete around the sleeve;

step three: the motor is started to drive the plurality of screw rods to rotate and move upwards at the same time, the screw rods drive the sleeve to rotate and move upwards at the same time, and the cleaning brush cleans the concrete on the outer side wall of the sleeve in the process.

Through adopting above-mentioned technical scheme, when needs extract the sleeve pipe, wet the concrete around the sleeve pipe, be convenient for extract the sleeve pipe, paste first splint tight sleeve pipe upper end, then make the second splint be close to the sleeve pipe and carry on spacingly with the bolt, driving motor drives a plurality of screw rods and rotates simultaneously, extracts a plurality of sleeve pipes simultaneously, can use manpower sparingly and even to the sleeve pipe application of force.

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

1. when the concrete forming the road shoulder is initially set, the upper end of the sleeve is clamped by the clamping assembly, and then the sleeve is driven to slowly rise and rotate by the electric driving assembly;

2. before extracting the sleeve pipe, start the valve, the water in the water tank leads to pipe blowout to the sleeve pipe lateral wall, and clear water on the sleeve pipe flows down to the concrete surface, and is moist to the concrete surface, and the sleeve pipe is extracted to the later stage of being convenient for.

Drawings

Fig. 1 is a schematic overall structure diagram of a road shoulder hole reservation construction device according to an embodiment of the present application;

fig. 2 is a partial structural schematic view of the screw and the sleeve of fig. 1.

Description of reference numerals: 1. a road shoulder; 2. a sleeve; 3. a template; 4. a pulling-out mechanism; 5. a positioner; 51. positioning a plate; 52. a sleeve; 6. a support; 7. a universal brake wheel; 8. a clamping assembly; 81. a first splint; 82. a second splint; 9. an electric drive assembly; 91. a screw; 10. a fixing plate; 11. a water spray assembly; 111. a water tank; 112. a water pipe; 113. a spray head; 12. a drive motor; 13. a fixed block; 14. a first chute; 15. a gear; 16. a toothed belt; 17. a support plate; 18. a limiting column; 19. a second chute; 20. a slider; 21. a limiting member; 211. a bolt; 212. a spring; 22. a valve; 23. a torsion spring; 24. cleaning the assembly; 241. cleaning the plate; 242. cleaning a brush; 25. and (5) shifting blocks.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses construction equipment is reserved to curb hole. Referring to fig. 1, including sleeve pipe 2 between template 3, sleeve pipe 2 is used for reserving the hole that supplies the guardrail stand to insert for curb shoulder 1 in cast-in-place curb 1 in-process, and sleeve pipe 2 one side is provided with extracts mechanism 4, and when the concrete initial set that forms curb 1, extracts mechanism 4 and is used for replacing the manpower and rises sleeve pipe 2 rotatory limit until taking out sleeve pipe 2 from the hole.

Referring to fig. 1 and 2, a positioner 5 is arranged on the outer side wall of the casing 2, the positioner 5 comprises a rectangular positioning plate 51 and a sleeve 52, the positioning plate 51 is fixed on the upper surface of the template 3 through a steel nail, the sleeve 52 is vertically welded at the central position of the positioning plate 51, and the sleeve 52 is sleeved outside the casing 2; when the road shoulder 1 is cast in situ, firstly two templates 3 are installed, then the positioner 5 is installed on the templates 3, then the sleeve 2 penetrates through the sleeve 52 to keep the sleeve 2 in a vertical state, then concrete is cast in situ in the templates 3, and when the concrete is initially set, the sleeve 2 is taken out of the concrete, so that a hole can be formed.

Referring to fig. 1 and 2, the pulling-out mechanism 4 comprises a vertically arranged rectangular support 6, and a universal brake wheel 7 is arranged at the lower end of the support 6 to facilitate moving the support 6; the support 6 is provided with a plurality of clamping assemblies 8, three groups of clamping assemblies 8 are adopted in the embodiment, and each clamping assembly 8 is used for rotating and lifting the corresponding sleeve 2; the upper end of each clamping assembly 8 is provided with an electric driving assembly 9, and the electric driving assemblies 9 are used for driving the clamping assemblies 8 to rotate and ascend simultaneously; all correspond on every centre gripping subassembly 8 and be provided with water spray assembly 11, water spray assembly 11 carries out moistening treatment to the concrete surface.

Referring to fig. 1 and 2, a rectangular fixing plate 10 is perpendicularly welded to the side wall of the bracket 6, and the length direction of the fixing plate 10 is arranged along the length direction of the bracket 6; the electric driving assembly 9 comprises vertically arranged screws 91, and the three groups of screws 91 penetrate through the fixing plate 10 and are in threaded fit with the fixing plate 10; the upper end of one of the screw rods 91 is coaxially provided with a driving motor 12, the driving motor 12 provides a power source through an external power supply, and the driving motor 12 belongs to a positive and negative rotation motor; a rectangular fixing block 13 is arranged on one side of the driving motor 12 close to the bracket 6, and a first sliding groove 14 for the fixing block 13 to be inserted and vertically slide is formed in the side wall of the bracket 6; when the driving motor 12 is started, the driving motor 12 drives the screw 91 to rotate and rise simultaneously, and meanwhile, the fixing block 13 rises vertically along the first chute 14.

Referring to fig. 1 and 2, gears 15 are coaxially welded at positions above the fixing plate 10 by the three sets of screws 91, a tensioned annular toothed belt 16 is sleeved outside the three sets of gears 15, and when the driving motor 12 drives one of the screws 91 to rotate, the other two screws 91 can be driven to synchronously rotate and ascend through the toothed belt 16.

Referring to fig. 1 and 2, a rectangular support plate 17 is welded at the lower end of the screw 91, and a certain space is formed between the support plate 17 and the bracket 6, so that the support plate 17 can rotate; the clamping assembly 8 comprises a first clamping plate 81 and a second clamping plate 82, the first clamping plate 81 and the second clamping plate 82 are both semicircular, the first clamping plate 81 and the second clamping plate 82 clamp the outer side wall of the cylindrical sleeve 2 together, the upper end of the first clamping plate 81 is vertically welded with the limiting column 18, and the upper end of the limiting column 18 is welded on the lower surface of the supporting plate 17; the lower surface of the supporting plate 17 is provided with a second sliding groove 19, the cross section of the second sliding groove 19 is in a dovetail shape, the length direction of the second sliding groove 19 is arranged along the length direction of the supporting plate 17, a rectangular sliding block 20 is inserted in the second sliding groove 19, the sliding block 20 slides along the length direction of the second sliding groove 19, the lower surface of the sliding block 20 is welded with the upper end of a second clamping plate 82, and when the sliding block 20 slides along the second sliding groove 19, the second clamping plate 82 gradually approaches to the first clamping plate 81; the support plate 17 is provided with a stopper 21 for restricting the second clamp plate 82 from moving away.

Referring to fig. 1 and 2, the limiting member 21 includes a plug 211, the plug 211 penetrates through the supporting plate 17 from top to bottom and slides along the height direction of the supporting plate 17, a spring 212 is sleeved on the plug 211, two ends of the spring 212 are respectively welded to the side wall of the plug 211 and the supporting plate 17, and when the spring 212 is not deformed, one end of the plug 211 is located in the second sliding groove 19 to limit the second clamping plate 82 to be away from the first clamping plate 81.

Referring to fig. 1 and 2, the water spraying assembly 11 includes a water tank 111, a water pipe 112 and a plurality of spray heads 113, the water tank 111 is welded on the upper surface of the support plate 17, one end of the water pipe 112 is communicated with the water tank 111, the other end of the water pipe 112 forms an annular water pipe 112, the annular water pipe 112 is located between the first clamping plate 81 and the support plate 17, the annular water pipe 112 and the screw 91 are coaxially arranged, the number of the spray heads 113 is four, the four spray heads 113 are equidistantly communicated and arranged on the side wall of the annular water pipe 112, the water outlet of the spray heads 113 faces the side wall of the sleeve 2, one side of the annular water pipe 112 is provided with a valve 22, the valve 22 is of a gate valve type, the valve 22 is provided with a torsion spring 23, and when the torsion spring 23 is not deformed, the valve 22 closes the water supply function of the water pipe 112; the upper surface welding of second splint 82 has rectangle shifting block 25, and shifting block 25 is following the gliding in-process of second splint 82, and the valve 22 is stirred to the shifting block, makes torsional spring 23 produce deformation, and water pipe 112 passes through shower nozzle 113 and to the lateral wall water spray of sleeve pipe 2, and when shifting block 25 kept away from valve 22, valve 22 resets and stops supplying water.

Referring to fig. 1 and 2, the bracket 6 is further provided with a cleaning assembly 24, the cleaning assembly 24 is located between the first clamping plate 81 and the sleeve 52, the cleaning assembly 24 includes an annular cleaning plate 241, the cleaning plate 241 is coaxially arranged with the sleeve 2, the side wall of the cleaning plate 241 is welded on the side wall of the bracket 6, a cleaning brush 242 is bonded on the inner side wall of the cleaning plate 241, the cleaning brush 242 abuts against the side wall of the sleeve 2, and when the sleeve 2 moves upwards, the cleaning brush 242 cleans concrete on the side wall of the sleeve 2.

The implementation principle of the road shoulder hole reservation construction device in the embodiment of the application is as follows: when the sleeve 2 needs to be pulled out from the road shoulder 1, the cleaning brush 242 is correspondingly sleeved at the upper end of the sleeve 2, then the side wall of the sleeve 2 is tightly attached to the first clamping plate 81, the second clamping plate 82 is slid to enable the second clamping plate 82 to gradually approach the sleeve 2, the shifting block triggers the valve 22 to be opened, water is sprayed on the side wall of the sleeve 2, water on the side wall of the sleeve 2 flows downwards to the surface of the road shoulder 1 to moisten concrete on the road shoulder 1, then the bolt 211 is pulled, when the second clamping plate 82 is tightly attached to the side wall of the sleeve 2, the bolt 211 is loosened, the bolt 211 is tightly abutted to the second clamping plate 82, finally, the driving motor 12 is started, the output shaft of the driving motor 12 drives the screw rod 91 to rotate, and simultaneously drives the three screw rods 91 to rotate and ascend simultaneously through the transmission effect of the toothed belt 16, so that the three groups of sleeves 2 are pulled out smoothly.

The embodiment of the application discloses a road shoulder hole reservation construction method.

The method comprises the following steps: the first clamping plate 81 is tightly attached to the upper end of the side wall of the sleeve 2;

step two: the bolt 211 is pulled, the second clamping plate 82 is slid to enable the second clamping plate 82 to be close to the first clamping plate 81, the first clamping plate 81 and the second clamping plate 82 clamp the side wall of the casing 2 together, then the bolt 211 is loosened, the bolt 211 rebounds to abut against the second clamping plate 82, the valve 22 is triggered to be opened when the second clamping plate 82 moves, and the spray head 113 sprays water to wet the concrete around the casing 2;

step three: the driving motor 12 is started to drive the plurality of screws 91 to rotate and move upwards at the same time, the screws 91 drive the sleeve 2 to rotate and move upwards at the same time, and the cleaning brush 242 cleans the concrete on the outer side wall of the sleeve 2 in the process.

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

Claims

1. The utility model provides a road shoulder hole reserves construction equipment, includes sleeve pipe (2) that are located template (3) centre, its characterized in that: a positioner (5) for enabling the sleeve (2) to be kept in a vertical state is arranged on the outer side of the sleeve (2), the positioner (5) is mounted on the template (3), an extracting mechanism (4) is arranged on one side of the template (3), the extracting mechanism (4) comprises a support (6), a plurality of clamping assemblies (8) are arranged on the support (6), each clamping assembly (8) correspondingly clamps one sleeve (2), and an electric driving assembly (9) for simultaneously driving the plurality of clamping assemblies (8) to rotate and ascend is arranged on the extracting mechanism (4); the pulling-out mechanism (4) further comprises a water spraying assembly (11) and a cleaning assembly (24), the water spraying assembly (11) is used for wetting concrete, and the cleaning assembly (24) is used for cleaning the concrete on the sleeve (2).

2. The road shoulder hole reservation construction device of claim 1, characterized in that: the clamping assembly (8) comprises a first clamping plate (81) and a second clamping plate (82), the sleeve (2) is located between the first clamping plate (81) and the second clamping plate (82), the first clamping plate (81) is fixedly arranged at the lower end of the electric driving assembly (9), the second clamping plate (82) is connected to the lower end of the electric driving assembly (9) in a sliding mode along the horizontal direction, and the support (6) is provided with a limiting part (21) used for limiting the second clamping plate (82) to slide.

3. The road shoulder hole reservation construction device of claim 2, characterized in that: locating part (21) includes bolt (211), bolt (211) sliding connection in on electric drive assembly (9), the cover is equipped with spring (212) on bolt (211), the both ends of spring (212) are connected with bolt (211) lateral wall and electric drive assembly (9) lower extreme respectively, when spring (212) do not warp, bolt (211) be used for the butt in second splint (82) and restriction second splint (82) are kept away from sleeve pipe (2).

4. The road shoulder hole reservation construction equipment of claim 3 characterized in that: the electric driving assembly (9) comprises a plurality of screw rods (91), the screw rods (91) are vertically arranged, the lower ends of the screw rods (91) are fixedly connected with the first clamping plate (81), a driving motor (12) is arranged at the upper end of one screw rod (91), a fixing plate (10) is fixedly connected onto the support (6), the fixing plate (10) is penetrated by the screw rods (91), and internal threads matched with the screw rods (91) in a threaded manner are arranged on the fixing plate (10); the screw rods (91) are all fixedly connected with gears (15) in a coaxial mode, and the outer sides of the gears (15) are jointly sleeved and meshed with toothed belts (16).

5. The road shoulder hole reservation construction device of claim 4, characterized in that: the water spraying assembly (11) comprises a plurality of spray heads (113), the spray heads (113) face the outer side wall of the sleeve (2) and are connected with water pipes (112) together, a water tank (111) is arranged on the screw rod (91), the water pipes (112) are communicated with the water tank (111), and valves (22) are arranged on the water pipes (112).

6. The road shoulder hole reservation construction device of claim 5, characterized in that: be provided with torsional spring (23) on valve (22), when torsional spring (23) do not deform, valve (22) are closed the water supply function of water pipe (112), be provided with shifting block (25) on second splint (82), shifting block (25) are used for stirring torsional spring (23) deformation makes water pipe (112) supply water.

7. The road shoulder hole reservation construction device of claim 6, characterized in that: the cleaning assembly (24) comprises a cleaning brush (242), the cleaning brush (242) is arranged on the support (6), and the cleaning brush (242) is arranged around the circumference of the sleeve (2) and clings to the side wall of the sleeve (2).

8. A road shoulder hole reservation construction method based on the road shoulder hole reservation construction device of claim 7, characterized in that: the method comprises the following steps:

the method comprises the following steps: tightly attaching the first clamping plate (81) to the upper end of the side wall of the sleeve (2);

step two: pulling the bolt (211), sliding the second clamping plate (82), enabling the second clamping plate (82) to be close to the first clamping plate (81), clamping the side wall of the sleeve (2) by the first clamping plate (81) and the second clamping plate (82) together, then loosening the bolt (211), enabling the bolt (211) to rebound to abut against the second clamping plate (82), enabling the valve (22) to be opened when the second clamping plate (82) moves, and enabling the spray head (113) to spray water to wet the concrete around the sleeve (2);

step three: the driving motor (12) is started to drive the plurality of screw rods (91) to rotate and move upwards at the same time, so that the screw rods (91) drive the sleeve (2) to rotate and move upwards at the same time, and the cleaning brush (242) cleans the concrete on the outer side wall of the sleeve (2) in the process.