CN115627899A

CN115627899A - High-precision flatness leveling method for large-area concrete pouring

Info

Publication number: CN115627899A
Application number: CN202211097450.8A
Authority: CN
Inventors: 陈微君; 黄淑娜; 宣建阳; 赵锰波; 劳柯群
Original assignee: Yuyao Jianglin Construction Engineering Co ltd
Current assignee: Yuyao Jianglin Construction Engineering Co ltd
Priority date: 2022-09-08
Filing date: 2022-09-08
Publication date: 2023-01-20
Anticipated expiration: 2042-09-08
Also published as: CN115627899B

Abstract

The application relates to a high-precision flatness leveling method for large-area concrete pouring, which comprises the following steps of marking leveling marking lines with uniform height on the inner wall of a house wall in sequence; step two, cleaning dust, oil stains and damaged ground skin on the ground; thirdly, evenly making ash cakes on the ground at intervals, and enabling the tops of the ash cakes to be flush with the leveling marking lines; and step four, watering and wetting the ground and pouring concrete mortar, flattening the concrete mortar through the paving and trowelling device, and synchronously performing first trowelling and second trowelling on the upper end surface of the concrete through the paving and trowelling device so that the upper end surface of the trowelled concrete mortar is flush with the leveling mark line. This application has the efficiency of making level of promotion etc. characteristics.

Description

High-precision flatness leveling method for large-area concrete pouring

Technical Field

The application relates to the technical field of concrete construction, in particular to a high-precision flatness leveling method for large-area concrete pouring.

Background

Concreting refers to the process of pouring concrete into a mold until plasticized.

After the concrete is poured to obtain the indoor ground, the concrete surface which is not solidified needs to be leveled in time to obtain the smooth ground after the concrete is solidified, the whole concrete mortar leveling process comprises basic leveling and subsequent surface detail treatment, including cement sanding, press polishing and other procedures, and the surface is usually directly treated for multiple times through manual work, so that the concrete ground with higher flatness precision is obtained.

However, when large-area concrete is leveled, the efficiency of manual treatment is low.

Disclosure of Invention

In order to improve the leveling efficiency, the application provides a high-precision leveling method for large-area concrete pouring.

The above object of the present application is achieved by the following technical solutions:

a large-area concrete pouring high-precision flatness leveling method comprises the following steps that firstly, leveling marking lines with uniform height are marked on the inner wall of a house wall in sequence; step two, cleaning dust, oil stains and damaged ground skin on the ground; thirdly, preparing gray cakes on the ground at uniform intervals, and enabling the tops of the gray cakes to be flush with the flat marked lines; and step four, watering and wetting the ground and pouring concrete mortar, flattening the concrete mortar through the paving and trowelling device, and synchronously performing first trowelling and second trowelling on the upper end surface of the concrete through the paving and trowelling device so that the upper end surface of the trowelled concrete mortar is flush with the leveling mark line.

Through adopting above-mentioned technical scheme, when using this roughness method of making level to look for when concrete, mark the identical level marking of level on the wall earlier, will follow this subaerial impurity that may influence the concrete adhesion strength totally remove, subaerial interval arrangement ash cake, and wet ground, pour the concrete on ground afterwards, through paving troweling device with the earlier concrete shakeout to the height that is close to level marking, carry out twice troweling in succession afterwards for the up end parallel and level of concrete mortar is in leveling marking and ash cake up end. The scheme ensures that the leveling efficiency is higher in the large-area concrete construction process.

Preferably, the device of floating that paves includes the movable support, set up in the subassembly of flattening of movable support one end and set up in the subassembly of flattening is kept away from the subassembly of flattening of a movable support side, the lower extreme of movable support rotates and is provided with the walking gyro wheel, the subassembly of flattening including the support of flattening, the level rotate set up in two of the support both ends of flattening spread out dial the board, the level set up in spread out and dial the board and keep away from the support of flattening of movable support one side and level rotate connect in the support of flattening is kept away from the flattening roller of movable support one side, the subassembly of flattening including be the level arrange float out support and level slide set up in the long board of flattening of support lower extreme, the length direction perpendicular to self moving direction of the long board of flattening.

Through adopting above-mentioned technical scheme, when using the floating device that paves, subaerial fall concrete mortar, the gyro wheel butt of walking afterwards rolls subaerial, make the movable support at subaerial horizontal migration, the in-process of removal, two shakeouts the extension board and rotates, thereby spread the concrete, the extension board of shakeouts afterwards scrapes the concrete surface, make concrete surface smoothness higher, the flattening roller butt concrete surface rolls, thereby further flatten the concrete surface, the long slab of floating is at floating support lower extreme horizontal migration, the in-process of removal is floating the concrete surface. This scheme is directly trowelled to final condition through the concrete mortar that the device of floating that paves will pour for do not need the manual work to carry out many times floating, it is more convenient, and then promoted the efficiency of making level.

Preferably, floating support lower extreme slides along length direction level and is provided with the link, the link lower extreme rotates and is connected with the swing span, floating long plate is located the swing span downside, the axis of rotation of swing span is on a parallel with floating support length direction, drive motor has been arranged to link lower extreme level, the coaxial drive wheel that is provided with of drive motor's output shaft, the swing span side rotates and sets up the drive the swing span is by vertical form to keeping away from the wobbling swinging arms in removal support one side, the swinging arms is kept away from the one end of swing span rotate connect in drive wheel axle center one side.

Through adopting above-mentioned technical scheme, it rotates to drive the swinging arms through driving motor, the other end of swinging arms drives the swing span and swings along the direction of sliding of perpendicular to link, and then drive the floating long slab and carry out reciprocating motion along the moving direction of perpendicular to link, thereby promote floating efficiency, the swinging arms rotates and connects in rotation axle center one side of drive wheel simultaneously, thereby make the swing span drive the swing span height of lower extreme when rotating will change, and the change of height is the gradual change, thereby make floating long slab highly will change when reciprocating motion, wherein lower position is located and is close to moving support one side, higher position is located and keeps away from moving support one side, make floating long slab can be better when reciprocating motion smooth concrete mortar, reduce the floating vestige on the concrete upper surface, thereby promote floating quality, reduce the probability of artifical filling and floating.

Preferably, the swing span lower extreme rotates and is connected with two swing arms, two the swing arm extends to opposite both sides slope, the both ends of floating the long board are rotated and are connected in two the swing arm is kept away from the one end of swing span, floating the long board and being deformable under the action of gravity, one the swing arm is kept away from a side end of floating the long board is provided with the extension spring along length direction, the one end that the extension spring is close to the swing span is connected with the steel wire, the one end that the swing arm is close to the swing span rotates and is connected with the fixed pulley, the steel wire around in the fixed pulley is fixed in floating long board up end middle part.

Through adopting above-mentioned technical scheme, two swing arms all rotate to be connected at the swing span lower extreme, make the swing span at reciprocating swing's in-process, two swing arms can keep floating the long slab and continuously be the horizontality, simultaneously through extension spring pulling steel wire, make the steel wire hang in floating long slab up end middle part, make whole floating the long slab form when being close to the concrete surface will change, it is recessed under the effect of gravity to float the middle part of long slab promptly, thereby increase the pressure that floating the long slab was applied to the concrete surface, and then promote floating effect, simultaneously through the taut floating long slab of steel wire, make the degree of floating the long slab deformation controllable.

Preferably, the lower end of the trowelling support is provided with a driving screw in a parallel rotating mode, a moving block is sleeved on the driving screw in a threaded mode, a long guide rod is arranged on one side of the driving screw in a parallel mode, a guide hole for the long guide rod to penetrate and slide is formed in the middle of the connecting frame, the diameter of the guide hole is larger than that of the long guide rod, a resistance-increasing rod is arranged on the upper side of the long guide rod in a parallel mode, the resistance-increasing rod is connected with a resistance-increasing slide block in a sliding mode along the length direction, a swing groove for the top of the connecting frame to insert and swing is formed in the lower end of the resistance-increasing slide block, the friction force between the resistance-increasing slide block and the resistance-increasing rod is larger than the friction force between the trowelling long plate and the surface of concrete mortar, and the side end of the connecting frame is rotatably connected to the side end of the moving block.

By adopting the technical scheme, when the troweling long plate swings back and forth, the troweling long plate can move along the length direction of the troweling support along with the connecting frame, certain friction force can be generated between the lower end face of the troweling long plate and the surface of concrete, once the troweling long plate tilts in the moving process, the surface of the troweling concrete can be damaged, in the scheme, the driving screw drives the moving block to move along the length direction of the troweling support, the connecting frame is driven to move in the moving process, once the connecting frame starts to move, the upper end of the connecting frame can abut against the side wall of the swinging groove at the lower end of the resistance increasing sliding block, the resistance increasing sliding block needs to be driven to move when the connecting frame wants to move, the friction force between the resistance increasing sliding block and the resistance increasing long rod is larger than the friction force between the troweling long plate and the concrete, the top of the connecting frame can slightly tilt towards the side far away from the connecting frame, the troweling long plate at the lowest end of the troweling long plate is tilted, the side of the troweling long plate close to the moving direction, the troweling end of the troweling concrete is tilted, the troweling quality of the troweling concrete is improved.

Preferably, the two side ends of the troweling long plate perpendicular to the length direction of the troweling bracket are bent upwards.

Through adopting above-mentioned technical scheme, the both sides end that will trowel the long slab perpendicular to the support length direction of floating is bent the book upwards to can not cause the concrete to be scraped out the burr because of the too big extrusion force of a side edge to the concrete surface when making the long slab of floating move over the concrete upper end, thereby effectively promote the quality of floating.

Preferably, the spreading and pulling plate comprises a shaft body horizontally and rotatably connected to one end of the spreading support and a plate body rotatably sleeved on the peripheral end of the shaft body, the rotation axis of the shaft body is vertical, the shaft body is located on the upper portion of the plate body, a supporting block is arranged on the peripheral end of the rotation shaft of the shaft body, and the supporting block is supported on one end, close to the floating support, of the plate body.

Through adopting above-mentioned technical scheme, the board is dialled in the stand out and includes axis body and plate body, the axis body level is rotated and is connected in shakeout support one end, the plate body rotates the cover and establishes on the axis body, make when two plate bodies rotate to the in-process of parallel state by the coplanar state, the plate body is held to the supporting shoe support, make the plate body can spread out the concrete, rotate to being the coplanar state when two plate bodies are by the parallel state, the plate body can the axis body rotate for the pivot when touching the concrete, thereby reduce the concrete owing to reseing, and then promote the efficiency of opening in the stand out of concrete.

Preferably, the flattening support is rotatably provided with a foaming roller parallel to the flattening roller between the flattening support plate and the flattening roller, foaming contact pins are uniformly arranged at the circumferential side end of the foaming roller in the circumferential direction, and the foaming contact pins point to the rotating axis of the foaming roller.

Through adopting above-mentioned technical scheme, after the concrete is at preliminary shakeouts through, the concrete is inside will remain some bubbles, and unevenness appears on the concrete surface after these bubbles cause the floating easily on the one hand, and on the other hand influences the intensity after the concrete solidifies easily, inserts the foaming contact pin in the concrete through pivoted foaming roller in this scheme to release the bubble, and then promote the floating quality of concrete.

Preferably, the both ends of floating support in floating long slab keeps away from shakedown support one side is provided with the trace subassembly, the trace subassembly include the trace support, rotate set up in the trace support is kept away from the trace axle of floating support one end and circumference evenly arrange in the trace blade of the all sides of trace axle, the axis of rotation of trace axle is vertical form, the lowest parallel and level of trace blade in terminal surface under the long slab of floating, trace blade both sides end and keep away from the one end of trace axle is bent upward and is rolled up, one side end of trace blade rotation direction is higher than another side.

Through adopting above-mentioned technical scheme, after the device of floating that paves a whole bar concrete and paves evenly, need continue to pave and float in the concrete one side after floating, need smear the joint department of two concrete simultaneously, it is rotatory to drive the trace blade of week side end through the trace axle in this scheme, rotatory trace blade will be smeared the joint department of two concrete, the both sides end of trace blade and the one end of keeping away from the trace axle of smearing are bent roll upwards, with the probability that reduces the new vestige of floating in-process production.

Preferably, the mark smearing support is rotatably connected to the smearing support, an adjusting cylinder is rotatably arranged on one side of the smearing support, and a piston rod of the adjusting cylinder is rotatably connected to the side end of the mark smearing support.

Through adopting above-mentioned technical scheme, move the mark support of smearing through the adjustment cylinder and rotate to the position of the floating blade of adjustment, on the one hand can better smear the linking vestige of two concrete, on the other hand should pave and smooth the device and carry out the trowelling when smearing the concrete near the wall limit, the concrete of contact wall part will be unable to be smeared, and can make the mark support of smearing not expand completely through the adjustment cylinder, and then smear the concrete near the wall, and is more convenient.

To sum up, the beneficial technical effect of this application does:

1. when the paving and troweling device is used, concrete mortar is poured on the ground, then the walking roller abuts against the ground to roll, the movable support moves horizontally on the ground, in the moving process, the two paving support plates rotate to pave the concrete, then the paving support plates scrape the surface of the concrete, the flatness of the surface of the concrete is higher, the flattening roller abuts against the surface of the concrete to roll, the surface of the concrete is further flattened, the long troweling plate moves horizontally at the lower end of the troweling support, the surface of the concrete is trowelled in the moving process, the poured concrete mortar is directly trowelled to a final state through the paving and troweling device, multiple times of troweling are not needed, convenience is improved, and the leveling efficiency is improved;

2. the swing frame is driven to rotate by the driving motor, the other end of the swing rod drives the swing frame to swing along the sliding direction perpendicular to the connecting frame, the troweling long plate is driven to reciprocate along the moving direction perpendicular to the connecting frame, the troweling efficiency is improved, meanwhile, the swing rod is connected to one side of the rotating shaft center of the driving wheel in a rotating mode, the height of the lowermost end of the swing frame can be changed when the swing rod drives the swing frame to rotate, the height is changed gradually, the troweling long plate can change while reciprocating, the lower position is located on the side close to the moving support, the higher position is located on the side far away from the moving support, concrete mortar can be better troweling when the troweling long plate reciprocates, troweling traces on the upper surface of concrete are reduced, troweling quality is improved, and the probability of manual troweling is reduced;

3. the driving screw drives the moving block to move along the length direction of the floating support, the connecting frame is driven to move in the moving process, once the connecting frame starts to move, the upper end of the connecting frame can abut against the side wall of the swinging groove at the lower end of the resistance increasing slider, the connecting frame needs to move to drive the resistance increasing slider to move, the friction force between the resistance increasing slider and the resistance increasing long rod is larger than the friction force between the floating long plate and the concrete, the top of the connecting frame can slightly incline towards one side far away from the self-moving part, the floating long plate at the lowest end slightly inclines, the floating long plate is tilted towards one side end close to the moving direction at the moment, the probability of generating floating marks in the concrete floating process is reduced, and the floating quality is improved.

Drawings

Fig. 1 is a schematic structural diagram of a paving and troweling apparatus in the present application;

fig. 2 is a schematic structural diagram of another view of the paving and troweling apparatus in the present application;

FIG. 3 is an enlarged view of FIG. 2 at A;

FIG. 4 is a schematic structural diagram of a troweling assembly and a smearing assembly;

FIG. 5 is an enlarged view of FIG. 4 at B;

fig. 6 is an enlarged view of fig. 4 at C.

In the figure: 1. moving the support; 11. a walking roller; 2. flattening the assembly; 21. flattening the bracket; 22. spreading out the poking plate; 221. a shaft body; 222. a plate body; 223. a supporting block; 23. flattening the support plate; 24. flattening rollers; 25. a bubbling roller; 251. foaming pins are inserted; 3. a troweling assembly; 31. leveling the bracket; 311. a drive screw; 3111. a power motor; 312. a guide post; 313. a moving block; 314. a long guide rod; 315. a resistance increasing long rod; 316. a resistance-increasing slider; 3161. a swing groove; 32. leveling the long plate; 33. a connecting frame; 331. a guide hole; 332. swinging the shifting block; 34. a swing frame; 341. a drive motor; 342. a drive wheel; 343. a swing lever; 35. a swing arm; 351. a tension spring; 352. a steel wire; 353. a fixed pulley; 4. a trace component; 41. a mark smearing bracket; 42. a trace smearing shaft; 43. smearing the leaves; 44. and adjusting the air cylinder.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

Referring to fig. 1, a method for leveling large-area concrete pouring high-precision flatness comprises the steps of marking leveling marking lines with uniform height on a wall; step two, cleaning dust, oil stains and damaged ground skin on the ground; step three, preparing ash cakes on the ground at uniform intervals; step four, watering the ground and pouring concrete mortar, and then spreading and troweling the concrete mortar through a spreading and troweling device to enable the upper end face of the trowelled concrete mortar to be flush with the leveling mark line

Referring to fig. 1, the paving and troweling device comprises a movable support 1, a leveling assembly 2 arranged at one end of the movable support 1, a troweling assembly 3 arranged at one side end, far away from the movable support 1, of the leveling assembly 2, and a trace wiping assembly 4 arranged at two end portions of the troweling assembly 3.

Two ends of the movable support 1 are rotatably connected with two walking rollers 11 through bearings, so that the movable support 1 can drive the flattening component 2, the troweling component 3 and the trace smearing component 4 to move together through the two walking rollers 11.

Referring to fig. 2 and 3, the leveling assembly 2 includes a leveling bracket 21, two leveling poking plates 22 horizontally and rotatably disposed at two ends of the leveling bracket 21, a leveling support plate 23 horizontally disposed at one side of the leveling poking plate 22 far away from the movable bracket 1, and a leveling roller 24 horizontally and rotatably connected to one side of the leveling bracket 21 far away from the movable bracket 1. Shakeout support 21 is fixed in the 1 upper end of movable support through the bolt level, it includes that the axle body 221 of connecting in shakeout support 21 lower extreme and the plate body 222 of rotating the cover on locating the axle body 221 through pivot horizontal rotation to spread out dial plate 22, the axis body 221's axis of rotation axis is vertical state, axis body 221 is located plate body 222 and leans on upper portion, the welding of the all sides of pivot of axis body 221 has supporting shoe 223, supporting shoe 223 supports in plate body 222 and is close to floating support 31 one end, make two plate bodies 222 rotate to the parallel state in-process by the coplanar state, supporting shoe 223 supports plate body 222 and is vertical state, when two plate bodies 222 rotated to being the coplanar state by parallel state, plate body 222 can be kept away from floating subassembly 3 one side rotation for the axial by the axle body 221.

The flattening support plate 23 is vertically welded on the lower end face of the flattening support plate 21, the lower end face of the flattening support plate 23 is flush with the lower end face of the plate body 222, two ends of the flattening roller 24 are rotatably connected to the lower end of the flattening support plate 21 through a rotating shaft, and the flattening roller 24 is parallel to the flattening support plate 23 and is flush with the lower end face of the flattening support plate 23.

The lower end face of the flattening support 21 is rotatably connected with a foaming roller 25 parallel to the flattening roller 24 through a rotating shaft between the flattening support plate 23 and the flattening roller 24, foaming pins 251 are uniformly welded at the circumferential side end of the foaming roller 25 in the circumferential direction, and the foaming pins 251 point to the rotating axis of the foaming roller 25.

Referring to fig. 4 and 5, the troweling assembly 3 includes a troweling bracket 31 arranged horizontally and a troweling long plate 32 sliding along the length direction of the troweling bracket 31, and the troweling bracket 31 is welded at one side end of the leveling bracket 21 and is located on the upper side of the leveling roller 24.

The floating support 31 is rotatably connected with a driving screw 311 through a bearing, the length direction of the driving screw 311 is parallel to the length direction of the floating support 31, one end of the floating support 31 is fixed with a power motor 3111 through a bolt, an output shaft of the power motor 3111 is coaxially connected with a rotating shaft of the driving screw 311, one side of the floating support 31, which is close to the driving screw 311, is fixed with two guide posts 312 parallel to the driving screw 311 through bolts, a moving block 313 is sleeved on the peripheral side end of the driving screw 311 through a thread, the two guide posts 312 penetrate through the moving block 313, so that when the power motor 3111 works, the moving block 313 can reciprocate along the length direction of the driving screw 311 under the guidance of the guide posts 312.

The trowelling support 31 is fixed with a long guide rod 314 on one side of the driving screw 311 far away from the guide post 312 through a bolt in parallel, the long guide rod 314 slides on the long guide rod 314 and is sleeved with a connecting frame 33, a guide hole 331 for the long guide rod 314 to penetrate is formed in the middle of the connecting frame 33, the diameter of the guide hole 331 is slightly larger than that of the long guide rod 314, one side end of the connecting frame 33 close to the driving screw 311 is rotatably connected to the side end of the moving block 313 through a rotating shaft, the trowelling support 31 is connected with a resistance-increasing rod 315 on the upper side of the long guide rod 314 through a bolt in parallel, the resistance-increasing rod 315 slides on the connecting frame 316 and is sleeved with a resistance-increasing slide block 316, the lower side end of the resistance-increasing slide block 316 is provided with a swing groove 3161, a swing shifting block 332 inserted into the swing groove 3161 is welded to the top of the connecting frame 33, and the width of the swing groove 3161 is larger than that of the swing shifting block 332.

Referring to fig. 4 and 6, the lower end of the connecting frame 33 is rotatably connected with a swing frame 34 through a rotating shaft, the rotating axis of the swing frame 34 is parallel to the length direction of the long guide rod 314, a driving motor 341 is horizontally fixed at one side end of the connecting frame 33 far away from the driving screw 311 through a bolt, a driving wheel 342 is coaxially welded on an output shaft of the driving motor 341, the driving wheel 342 is rotatably connected with a swing rod 343 through a rotating shaft at one side of the self axis, one end of the swing rod 343 far away from the driving wheel 342 is rotatably connected with one end of the swing frame 34 far away from the connection through a rotating shaft, so that when the driving motor 341 works, the driving wheel 342 drives the swing rod 343 to rotate, the other end of the swing rod 343 drives the swing frame 34 to swing along the sliding direction perpendicular to the connecting frame 33, and when the swing rod 343 drives the swing frame 34 to rotate to the position farthest away from the driving wheel 342, the swing frame 34 is in a vertical state.

The lower end of the swing frame 34 is rotatably connected with two swing arms 35 through a rotating shaft, the two swing arms 35 extend towards two opposite sides in an inclined manner, one ends of the two swing arms 35 far away from the swing frame 34 are respectively and rotatably connected to the positions, close to two ends, of the upper end face of the floating long plate 32 through the rotating shaft, the floating long plate 32 can deform, the middle part is concave under the action of gravity, and the two side ends, perpendicular to the length direction of the floating support 31, of the floating long plate 32 are bent upwards.

One side end of the swing arm 35 far away from the troweling board 32 is fixed with a tension spring 351 through a bolt along the length direction, one end of the tension spring 351 close to the swing frame 34 is tied with a steel wire 352, one end of the swing arm 35 close to the swing frame 34 is rotatably connected with a fixed pulley 353 through a rotating shaft, and the steel wire 352 is wound on the fixed pulley 353 and is fixed in the middle of the upper end face of the troweling board 32 through a bolt.

The frictional force between the resistance-increasing slider 316 and the resistance-increasing long rod 315 is greater than the frictional force between the lower end face of the long troweling plate 32 and the surface of the concrete mortar, so that when the moving block 313 drives the connecting frame 33 to move, the resistance-increasing slider 316 blocks the connecting frame 33, the lower end of the connecting frame 33 inclines towards the moving direction of the connecting frame, and the long troweling plate 32 tilts towards the moving direction of the connecting frame.

Referring to fig. 4, the smearing component 4 includes a smearing support 41 rotatably connected to one side end of the smearing support 31 far away from the leveling support 21 through a rotating shaft, a smearing shaft 42 vertically and rotatably connected to one end of the smearing support 41 far away from the smearing support 31 through a bearing, and smearing blades 43 uniformly distributed on the peripheral side end of the smearing shaft 42 in a circumferential direction as a whole, the rotating axes of the smearing shaft 42 and the smearing support 41 are vertical, the lowest position of each smearing blade 43 is flush with the lower end face of the long smearing plate 32, two side ends of each smearing blade 43 and one end far away from the smearing shaft 42 are bent upwards, one side end of each smearing blade 43 in the rotating direction is higher than the other side end, the smearing support 31 is rotatably connected with an adjusting cylinder 44 on one side of the smearing support 41 through a rotating shaft, and a piston rod of the adjusting cylinder 44 is rotatably connected to the side end of the smearing support 41 through a rotating shaft. The leveling bracket 41 is driven to rotate horizontally by the adjusting cylinder 44.

The implementation principle of the embodiment is as follows:

when the large-area concrete pouring high-precision flatness leveling method is used for constructing concrete, firstly, leveling marking lines with uniform height are marked on the inner wall of a house wall in sequence; step two, cleaning dust, oil stains and damaged ground skin on the ground; thirdly, preparing gray cakes on the ground at uniform intervals, and enabling the tops of the gray cakes to be flush with the flat marked lines; step four, watering and wetting the ground and pouring concrete mortar, then leveling and leveling the concrete mortar by the paving and leveling device, when the paving and leveling device is used, pouring the concrete mortar on the ground, then abutting the walking rollers 11 on the ground to roll, so that the movable support 1 horizontally moves on the ground, in the moving process, two leveling support plates 23 are driven by the air cylinders to rotate from the same plane state to the parallel state, at the moment, the support blocks 223 support the plate bodies 222, so that the plate bodies 222 can spread the concrete, when the two plate bodies 222 rotate from the parallel state to the same plane state, the plate bodies 222 can rotate by using the shaft body 221 as a rotating shaft when touching the concrete, so that the concrete is rewound due to resetting, so that the concrete is spread, then the leveling support plates 23 scrape the surface of the concrete, so that the surface of the concrete is higher, the foaming rollers 25 rotate, so that the foaming pins 251 at the peripheral ends are inserted into the concrete, so that bubbles inside the concrete are released, the leveling rollers 24 abut on the surface of the concrete, so that the foaming rollers 25 move, and the sliding block pins 251 are connected to the sliding block 33, when the sliding block 33 is moved to the friction resistance of the horizontal shifting rack, the sliding block 316, so that the sliding block 33 is connected to the sliding block 33 is driven by the sliding block 33, and the sliding block 33, which is connected to move along the sliding block which is connected to the top of the horizontal shifting rack, and the horizontal shifting block, and the sliding block 33, and the sliding block which are connected to move obliquely moves from the sliding block, and the sliding block which is connected to the sliding block, and the upper end of the sliding block, and the sliding block which is connected to the sliding block 33, the troweling long plate 32 moves and trowels the concrete surface in this state, meanwhile, the driving motor 341 drives the swing rod 343 to rotate, the other end of the swing rod 343 drives the swing frame 34 to swing in the direction perpendicular to the sliding direction of the connecting frame 33, and further drives the troweling long plate 32 to reciprocate in the direction perpendicular to the moving direction of the connecting frame 33, when the end portion of the swing rod 343 rotatably connected to the driving wheel 342 moves to be closest to the moving support 1, the troweling long plate 32 is located at the lowest position, and when the end portion of the swing rod 343 rotatably connected to the driving wheel 342 moves to be farthest from the moving support 1, the troweling long plate 32 is located at the highest point, the troweling long plate 32 contacts and trowels the concrete surface in the process of moving from the highest position to the lowest position, both swing arms 35 are rotatably connected to the lower end of the swing frame 34, so that the two swing arms 35 can keep the troweling long plate 32 in a horizontal state during the reciprocating swing of the swing frame 34, and simultaneously, the steel wire 352 is pulled by the tension spring 351, so that the steel wire 352 is hung in the middle portion of the upper end surface of the troweling long plate 32, so that the troweling long plate 32 is flush when the whole troweling long plate is close to the effect, and the troweling long plate is increased, and the troweling pressure is increased, and the troweling effect of the troweling long plate is increased when the troweling surface.

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

Claims

1. A high-precision flatness leveling method for large-area concrete pouring is characterized by comprising the following steps: sequentially marking leveling marking lines with uniform height on the inner wall of a house wall; step two, cleaning dust, oil stains and damaged ground skin on the ground; thirdly, evenly making ash cakes on the ground at intervals, and enabling the tops of the ash cakes to be flush with the leveling marking lines; and step four, watering and wetting the ground and pouring concrete mortar, flattening the concrete mortar through the paving and trowelling device, and synchronously performing first trowelling and second trowelling on the upper end surface of the concrete through the paving and trowelling device so that the upper end surface of the trowelled concrete mortar is flush with the leveling mark line.

2. The large-area concrete pouring high-precision flatness leveling method according to claim 1, characterized in that: paving troweling device including moving movable support (1), set up in shakeout subassembly (2) of moving movable support (1) one end and set up in shakeout subassembly (2) are kept away from troweling assembly (3) of moving movable support (1) one side, the lower extreme of moving movable support (1) rotates and is provided with walking gyro wheel (11), shakeout subassembly (2) including shakeout support (21), horizontal rotation set up in two of shakeout support (21) both ends are spread out and are dialled board (22), the level set up in spread out and dial board (22) and keep away from shakeout extension board (23) and the level of moving support (1) one side rotate connect in shakeout support (21) are kept away from remove flattening roller (24) of support (1) one side, troweling assembly (3) including being the level arrange troweling support (31) and horizontal slip set up in troweling long board (32) of troweling support (31) lower extreme, the length direction of troweling long board (32) is perpendicular to self moving direction.

3. The large-area concrete pouring high-precision flatness leveling method according to claim 2, characterized in that: the lower end of the floating support (31) is horizontally provided with a connecting frame (33) in a sliding mode along the length direction, the lower end of the connecting frame (33) is connected with a swing frame (34) in a rotating mode, the floating long plate (32) is located on the lower side of the swing frame (34), the rotating axis of the swing frame (34) is parallel to the length direction of the floating support (31), a driving motor (341) is horizontally arranged at the lower end of the connecting frame (33), a driving wheel (342) is coaxially arranged on the output shaft of the driving motor (341), a swing rod (343) which drives the swing frame (34) to swing from a vertical state to one side far away from the movable support (1) is arranged at the side end of the swing frame (34) in a rotating mode, and one end, far away from the swing frame (34), of the swing rod (343) is connected to one side of the axis of the driving wheel (342) in a rotating mode.

4. The large-area concrete pouring high-precision flatness leveling method according to claim 3, characterized in that: swing frame (34) lower extreme is rotated and is connected with two swing arms (35), two swing arm (35) extend to opposite both sides slope, the both ends of floating long board (32) are rotated and are connected in two swing arm (35) are kept away from the one end of swing frame (34), floating long board (32) are deformable under the action of gravity, one swing arm (35) are kept away from one side end of floating long board (32) is provided with extension spring (351) along length direction, the one end that extension spring (351) are close to swing frame (34) is connected with steel wire (352), the one end that swing arm (35) are close to swing frame (34) is rotated and is connected with fixed pulley (353), steel wire (352) around fixed pulley (353) and be fixed in floating long board (32) up end middle part.

5. The large-area concrete pouring high-precision flatness leveling method according to claim 3, characterized in that: the trowelling support is characterized in that a driving screw (311) is arranged at the lower end of the trowelling support (31) in a parallel rotating mode, a moving block (313) is sleeved on the driving screw (311) in a threaded mode, long guide rods (314) are arranged on one side of the driving screw (311) in a parallel mode, a guide hole (331) for the long guide rods (314) to penetrate and slide is formed in the middle of the connecting frame (33), the diameter of the guide hole (331) is larger than that of the long guide rods (314), a resistance-increasing rod (315) is arranged on the upper side of the long guide rods (314) in a parallel mode, a resistance-increasing slider (316) is connected to the resistance-increasing rod (315) in a sliding mode along the length direction, a swinging groove (3161) for the top of the connecting frame (33) to insert and swing is formed in the lower end of the resistance-increasing slider (316) and the resistance-increasing rod (315), the friction force between the resistance-increasing slider (316) and the resistance-increasing rod (315) is larger than the friction force between the trowelling plate (32) and the surface of concrete mortar, and the side end of the connecting frame (33) is rotatably connected to the side end of the moving block (313).

6. The large-area concrete pouring high-precision flatness leveling method according to claim 2, characterized in that: the two side ends of the long trowelling plate (32) perpendicular to the length direction of the trowelling support (31) are bent upwards.

7. The large-area concrete pouring high-precision flatness leveling method according to claim 2, characterized in that: the spreading and pulling plate (22) comprises a shaft body (221) and a plate body (222), wherein the shaft body (221) is horizontally and rotatably connected to one end of the spreading support (21) and is rotatably sleeved on the peripheral end of the shaft body (221), the rotating axis of the shaft body (221) is in a vertical state, the shaft body (221) is located on the upper portion of the plate body (222), a supporting block (223) is arranged on the peripheral end of the rotating shaft of the shaft body (221), and the supporting block (223) is supported on one end, close to the floating support (31), of the plate body (222).

8. The large-area concrete pouring high-precision flatness leveling method according to claim 2, characterized in that: the flattening support (21) is provided with a foaming roller (25) parallel to the flattening roller (24) in a rotating mode between the flattening support plate (23) and the flattening roller (24), foaming pins (251) are evenly arranged on the circumferential side end of the foaming roller (25) in the circumferential direction, and the foaming pins (251) point to the rotating axis of the foaming roller (25).

9. The large-area concrete pouring high-precision flatness leveling method according to claim 2, characterized in that: both ends of floating support (31) in floating long board (32) is kept away from it is provided with smear mark subassembly (4) to shakeout support (21) one side, smear mark subassembly (4) including smear mark support (41), rotate set up in smear mark support (41) are kept away from smear mark axle (42) and the even range of circumference of floating support (31) one end in smear mark blade (43) of smear mark axle (42) all sides, the axis of rotation of smearing mark axle (42) is vertical form, the lowest parallel and level of smearing mark blade (43) in terminal surface under floating long board (32), smear mark blade (43) both sides end and keep away from the one end of smearing mark axle (42) is curled up, one side end of smearing mark blade (43) direction of rotation is higher than another side.

10. The large-area concrete pouring high-precision flatness leveling method according to claim 9, characterized in that: smear mark support (41) rotate connect in smear mark support (31), smear mark support (31) in smear mark support (41) one side is rotated and is provided with adjusting cylinder (44), the piston rod of adjusting cylinder (44) rotate connect in smear mark support (41) side.