CN114770261A

CN114770261A - Wall surface leveling device for building construction and building construction method

Info

Publication number: CN114770261A
Application number: CN202210533813.1A
Authority: CN
Inventors: 赵志龙; 张蕊; 孙倩倩
Original assignee: Dezhou Tiangong Decoration Engineering Co ltd
Current assignee: Dezhou Tiangong Decoration Engineering Co ltd
Priority date: 2022-05-17
Filing date: 2022-05-17
Publication date: 2022-07-22
Anticipated expiration: 2042-05-17
Also published as: CN114770261B

Abstract

The invention discloses a wall leveling device for building construction and a building construction method, belonging to the technical field of building construction, and comprising a group of vertical frames, wherein a leveling rod is matched between the vertical frames, the leveling rod comprises a middle rod and sleeve frames which are slidably connected with two ends of the middle rod, the outer ends of the sleeve frames are respectively and slidably connected with an installation block, the outer walls of the sleeve frames are respectively and fixedly connected with an end leveling shaft, the outer ends of the end leveling shafts are respectively and elastically connected with an outer wheel sleeve, a contraction connecting frame is connected between the outer wheel sleeves, the contraction connecting frame and the outer wheel sleeves are respectively and externally connected with a leveling disc, an extension lead screw is rotatably connected in the middle rod, the extension lead screw penetrates through the sleeve frames and is in threaded connection with the sleeve frames and is used for driving the sleeve frames to translate along the middle rod, an operating rod is rotatably installed in the middle of the middle rod, and the operating rod is used for driving the extension lead screw to rotate. Can adapt to the wall of different width, and once can the whole wall of flattening, need not artifical climbing height and hang down, reduce the risk comparatively safely, and improved work efficiency, the roughness of flattening is high.

Description

Wall surface leveling device for building construction and building construction method

Technical Field

The invention relates to the technical field of building construction, in particular to a wall surface leveling device for building construction and a building construction method.

Background

After the blank wall body was built and is accomplished, need paint, whitewash wall body surface, nevertheless after whitewashing, unsmooth can appear in the wall part, need strike off it and level and smooth to the installation that adapts to various furniture cabinet bodies etc. avoids backplate and wall to have the gap, prevents the fracture in later stage and receives the ash and regain etc..

At present, the wall body of a house is leveled by manually taking a wall grinding machine to grind down the coating material coated on the wall surface, but the machine is required to be lifted all the time, the labor intensity is high, the pressure of the machine and the wall surface is changed along with the consumption of manpower, the wall grinding is not uniform, and the scraping efficiency is low; some current large-scale machines grind flat to whole face wall body, it often is holistic main equipment, transports and installs and get into indoor etc. and all comparatively difficult, and its mill plane is the face of fixed size, can not adapt to the wall body of different width, moves to the opposite side again after need having ground, moves inconveniently and leads to around easily and grind flat the difference.

Based on the above, the invention designs a wall surface leveling device for building construction and a building construction method, so as to solve the problems.

Disclosure of Invention

The invention aims to provide a wall surface leveling device for building construction and a building construction method, and aims to solve the problems that the manual wall grinding machine provided in the background technology grinds down the coating materials coated on the wall surface, the labor intensity is high, the wall grinding is not uniform, and the scraping efficiency is low; the existing large-scale machines grind the whole wall body, are difficult to transport, install, enter a room and the like, and cannot adapt to the wall bodies with different widths.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a wall leveling device and building construction method for construction, includes a set of grudging post, the cooperation has leveling rod between the grudging post, leveling rod is for including middle part pole and the cover frame of sliding connection at middle part pole both ends, the equal sliding connection in cover frame outer end has the installation piece, the equal fixedly connected with tip leveling shaft of cover frame outer wall, the equal elastic connection in tip leveling off-axial has the outer wheel cover, be connected with the shrink even frame between the outer wheel cover, the shrink even frame all is connected with leveling plate with the outer wheel cover is outer, middle part pole internal rotation is connected with the extension lead screw, the extension lead screw passes cover frame threaded connection with it, and is used for driving the cover frame along middle part pole translation, rotate in the middle of the middle part pole and install the action bars, the action bars is used for the drive to extend the lead screw rotation.

Preferably, a leveling rotating belt is installed in the stand, a vertical guide plate is fixedly connected in the leveling rotating belt, a curve driving edge is arranged on the edge of the inner side of the stand, and the installation block is installed in cooperation with the leveling rotating belt.

Preferably, a telescopic cylinder is fixedly connected between the inner end of the mounting block and the end part of the sleeve frame, a buffer spring is installed in the telescopic cylinder, extending frames are fixedly connected to the two ends of the sleeve frame, matching wheels are rotatably connected to the end parts of the extending frames, and the matching wheels are matched with the curve driving edges.

Preferably, sliding connection has a set of installation splint, rotates in the installation piece and is connected with and presss from both sides tight lead screw, press from both sides tight lead screw both ends and pass the installation splint that are located its both sides respectively and screw-thread fit with it, middle part pole internal rotation is connected with the adaptation sleeve, adaptation sleeve both ends mesh with the cone pulley that presss from both sides tight lead screw tip and the lower cone pulley of action bars outer wall through fixed connection's cone pulley respectively.

Preferably, the adapting sleeve comprises an outer barrel and an inner rod, the end part of the inner rod is located in the mounting block and is in running fit with the mounting block, the end part of the outer barrel is located in the middle rod and is in running fit with the middle rod, a limiting strip is fixedly connected in the outer barrel, a limiting groove is formed in the outer portion of the inner rod, and the limiting strip is located in the limiting groove and is in sliding fit with the limiting groove.

Preferably, the outer wall of the operating rod is fixedly connected with an upper cone pulley and a lower cone pulley, the operating rod is connected in the middle rod in a sliding mode, and the upper cone pulley is matched with the cone pulley of the extension screw rod.

Preferably, the top of the sleeve frame is fixedly connected with an outward-pushing angle plate, and the outward-pushing angle plate is widened from top to bottom and is located behind the contraction connecting frame.

Preferably, the even frame of shrink is become through the synchronizing bar that the connecting axle rotated the connection a plurality of heads and tails, the equal fixedly connected with flattening disc of connecting axle tip, even frame of shrink is wavy, flattening disc is two rows about being and inserts empty row, equal fixedly connected with double sprocket outside connecting axle and the outer wheel cover, through double sprocket through the synchronous chain drive of multiunit between connecting axle and the outer wheel cover.

Preferably, one of the outer wheel sleeves is fixedly connected with a driving wheel on the outer wall thereof, a leveling motor is fixedly mounted on the outer wall of the sleeve frame, and the output end of the leveling motor is meshed with the driving wheel.

A wall surface leveling method for building construction comprises the following steps:

s1: placing the vertical frames at two ends of the wall surface to be leveled;

s2: the leveling rod extends by rotating the operating rod according to the width of the wall surface, the connecting frame is contracted and expanded while the leveling rod extends, and the leveling discs on the connecting frame are scattered;

s3: installing the adjusted leveling rod between the vertical frames;

s4: through the flattening revolving belt in the switch-on grudging post, drive the flattening pole and reciprocate, rock about the cooperation with curve drive limit when reciprocating, polish at the wall through the flattening dish and realize the flattening.

Compared with the prior art, the invention has the beneficial effects that:

the invention conveys the respectively separated vertical frame and leveling rod to the wall surface to be leveled, and the vertical frame and the leveling rod are independent components, so that the invention is easier in the conveying process and saves the storage space.

Place the grudging post at the both ends of required flattening wall, then drive the extension lead screw through rotating the action bars according to the width of wall and rotate, drive leveling rod and shrink even frame and extend and come, then install the leveling rod that has adjusted between the grudging post through the installation piece at both ends, make the flattening dish paste on the wall, drive installation piece and flattening rod through the driving piece in the grudging post and reciprocate, thereby through the pair wall mill of leveling dish, can adapt to the wall of different width, and once can the whole wall of flattening, it is low on the top to need not the manual work and climb, the risk reduction is comparatively safe, and has improved work efficiency, the roughness height of more manual work flattening is high.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic front view of the present invention;

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

FIG. 3 is a schematic view of a nose-down configuration of the screed bar of the present invention;

FIG. 4 is a rear side view in half section of the present invention;

FIG. 5 is an enlarged view of the part A of the present invention;

FIG. 6 is a schematic view of a top view half-section of the present invention;

FIG. 7 is an enlarged view of the part B of the present invention;

FIG. 8 is a side view semi-sectional view of the present invention;

FIG. 9 is an enlarged view of the part C of the present invention.

In the drawings, the reference numbers indicate the following list of parts:

1. erecting a frame; 2. leveling the rod; 3. a middle rod; 4. sleeving a frame; 5. mounting blocks; 6. an end leveling shaft; 7. an outer wheel sleeve; 8. contracting the connecting frame; 9. flattening the disc; 10. extending the lead screw; 11. an operating lever; 12. leveling the rotating belt; 13. a vertical guide plate; 14. a curve-driven edge; 15. a telescopic cylinder; 16. a buffer spring; 17. an extension frame; 18. a mating wheel; 19. installing a clamping plate; 20. clamping the screw rod; 21. adapting to a sleeve; 22. a lower cone pulley; 23. an outer cylinder; 24. an inner rod; 25. a limiting strip; 26. an upper cone pulley; 27. pushing out corner plates; 28. a connecting shaft; 29. a synchronization lever; 30. a double sprocket; 31. a drive wheel; 32. a leveling motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-9, the present invention provides a technical solution:

the utility model provides a wall leveling device and construction method for construction, including a set of grudging post 1, the cooperation has leveling rod 2 between the grudging post 1, leveling rod 2 is for including middle part pole 3 and the cover frame 4 of sliding connection at middle part pole 3 both ends, the equal sliding connection of cover frame 4 outer end has installation piece 5, the equal fixedly connected with tip leveling axle 6 of cover frame 4 outer wall, the equal elastic connection of tip leveling axle 6 is outer wheel cover 7, be connected with shrink even frame 8 between the outer wheel cover 7, shrink even frame 8 and outer wheel cover 7 all are connected with leveling disc 9 outward, middle part pole 3 internal rotation is connected with extension lead screw 10, extension lead screw 10 passes cover frame 4 threaded connection with it, and is used for driving cover frame 4 along middle part pole 3 translation, rotate in the middle part pole 3 and install action bars 11, action bars 11 are used for driving extension lead screw 10 to rotate.

Referring to fig. 1-3, the present invention can transport the separate stand 1 and leveling rod 2 to the wall to be leveled, and since the stand 1 and leveling rod 2 are separate parts, the transportation is easy and the storage space is saved.

Place grudging post 1 at the both ends of required flattening wall, then drive extension lead screw 10 through rotating operation pole 11 according to the width of wall and rotate and thereby drive the cover frame 4 at both ends and extend to both sides in step, thereby drive the even frame 8 of shrink and extend the length of flattening pole 2 after the adaptation extension in the time of the extension.

And the flattening pole 2 that the back will be adjusted through the installation piece 5 at both ends is installed between grudging post 1 for flattening dish 9 pastes on the wall, drive installation piece 5 and flattening pole 2 through the driving piece in grudging post 1 and reciprocate, thereby grind the wall through flattening dish 9 and level, the realization is to the flattening of wall, can adapt to the wall of different width, and once can the whole wall of flattening, need not the manual work and climb high low in top, the reduction risk is comparatively safe, and work efficiency has been improved, the roughness of more manual work flattening is high.

Referring to fig. 4-5, a set of mounting clamp plates 19 is slidably connected in the mounting block 5, a clamping screw 20 is rotatably connected, two ends of the clamping screw 20 respectively penetrate through the mounting clamp plates 19 at two sides thereof to be in threaded fit with the clamping screw, an adaptive sleeve 21 is rotatably connected in the middle rod 3, and two ends of the adaptive sleeve 21 are respectively engaged with a cone pulley at the end of the clamping screw 20 and a lower cone pulley 22 on the outer wall of the operating rod 11 through cone pulleys fixedly connected. The outer wall of the operating rod 11 is fixedly connected with an upper cone pulley 26 and a lower cone pulley 22, the operating rod 11 is connected in the middle rod 3 in a sliding mode, and the upper cone pulley 26 is matched with the cone pulley of the extension screw rod 10.

When the adjustment is carried out, the operating rod 11 is directly rotated, the upper conical wheel 26 on the operating rod is meshed with the conical wheel at the end part of the extension lead screw 10, the operating rod 11 is rotated to synchronously drive the extension lead screws 10 at two sides to rotate, so that the sleeve frame 4 is driven to synchronously move towards two sides, the length is adjusted by extending the lead screws 10, the sleeve frame 4 and the middle rod 3 are relatively fixed through self locking of the lead screws after the adjustment is finished, and the whole length formed by the sleeve frame 4 and the middle rod 3 cannot be changed in the use process.

Referring to fig. 6-7, in order to facilitate the installation of the leveling rod 2 and the installation block 5 with the leveling rotating belt 12, the length is adjusted, at the same time, the sleeve frame 4 drives the installation block 5 at the end portion thereof to move, at this time, the adaptive sleeve 21 between the installation block 5 and the middle rod 3 extends, when the adjustment is completed, the operation rod 11 is lifted up, the upper cone pulley 26 thereof is separated from the extension screw 10, the lower cone pulley 22 is engaged with the cone pulley at the end portion of the outer cylinder 23 of the adaptive sleeve 21, so that the outer cylinder 23 and the inner rod 24 inside are driven to rotate by rotating the operation rod 11, the clamping screw 20 is driven to rotate by the cooperation of the inner rod 24 and the clamping screw 20, so as to drive the installation clamping plates 19 to synchronously move towards the middle to clamp the leveling rotating belt 12 therein, thereby realizing the connection installation of the installation block 5 and the stand 1, as shown in fig. 4 combined with fig. 5, the length adjustment of the leveling rod 2 as a whole and the simultaneous clamping installation of the two installation clamping plates 19 can be realized by switching of the operation rod 11, the operation steps are simplified, and the installation of people is facilitated.

Because when the whole length of adjustment flattening pole 2, the tip of the installation piece 5 at its both ends has got into in the grudging post 1, make installation splint 19 be located the both sides of the 12 side area bodies of flattening gyration, be located between support body and the vertical baffle 13, it is comparatively difficult to realize externally the installation of installation splint 19 and the area body through other parts this moment, and the rotation through action bars 11 is comparatively easy with pressing from both sides the tight in the installation of inside drive installation splint 19, also can not influence the effect of rocking about reciprocating of subsequent flattening pole 2 simultaneously, and the installation is simple reliable, compact inner structure, also made things convenient for the dismantlement in later stage.

Wherein, adaptation sleeve 21 includes urceolus 23 and interior pole 24, interior pole 24 tip is located mounting block 5 and is rotated fit with it, and urceolus 23 tip is located middle part pole 3 and is rotated fit with it, and urceolus 23 internal fixation is connected with spacing 25, and interior pole 24 is opened outward and is equipped with the spacing groove, and spacing 25 is located spacing inslot and sliding fit with it.

When the outer barrel 23 rotates, the limiting strip 25 is located in the limiting groove, so that the outer barrel 23 and the inner rod 24 cannot rotate relatively, but can slide relatively, the process of extending the whole length of the whole rod 2 is followed, and the rotation of the inner rod 24 driven by the rotation of the outer barrel 23 cannot be influenced.

Referring to fig. 6-9, an outward-push angle plate 27 is fixedly connected to the top of the frame 4, and the outward-push angle plate 27 is widened from top to bottom and is located behind the contraction shelf 8. The contraction connecting frame 8 is composed of a plurality of synchronizing rods 29 which are rotationally connected end to end through a connecting shaft 28, the end parts of the connecting shaft 28 are fixedly connected with leveling plates 9, the contraction connecting frame 8 is wavy, the leveling plates 9 are arranged in an upper row and a lower row and are inserted into spaces, double chain wheels 30 are fixedly connected outside the connecting shaft 28 and the outer wheel sleeve 7, and the connecting shaft 28 and the outer wheel sleeve 7 are driven by multiple groups of synchronous chains through the double chain wheels 30.

Because the leveling disks 9 are arranged in two rows of upper and lower empty spaces, when the whole leveling rod 2 is lengthened, the leveling disks 9 on the upper row move downwards to make up the gap between the two leveling disks 9 on the lower row after being lengthened, so that after being lengthened, all the leveling disks 9 can still form a whole seamless plane to realize the leveling of the wall surface, when the whole length of the leveling rod 2 is adjusted, the contraction connecting frame 8 is lengthened or shortened, when the length is lengthened, the connecting shafts 28 connected with the leveling disks 9 on the upper row move downwards, as shown in fig. 5 and 9, because the outward-pushing angle plates 27 are widened from top to bottom and are positioned behind the contraction connecting frame 8, under the contact with the outward-pushing angle plates 27, the connecting shafts 28 on the upper row are pushed outwards for a certain distance, thereby further strengthening the pre-tightening force between the leveling disks and the wall surface through the springs in the leveling shaft 6 (in combination with fig. 7), and strengthening the pressure between the leveling disks 9 and the wall surface while the gap between the flattening plates is widened, thereby dynamic balance grinds flat efficiency to the wall in same time, still can realize the flattening efficiency that more flattening dishes of two rows of overlapping areas reached in same time when it becomes long, in addition, the in-process of lengthening and shortening, the pressure that flattening dish 9 acted on the wall can change thereupon, and the pressure of relative wall diminishes when shortening, avoids wearing and tearing excessively the condition appearance such as.

In the process, the whole of the contraction connecting frame 8 is pushed forward to drive the outer wheel sleeve 7 to move outwards along the end flattening shaft 6, so that the contraction connecting frame 8 is adapted to move.

Wherein, one of outer wheel cover 7, its outer wall fixedly connected with drive wheel 31, the outer wall fixed mounting of cover frame 4 has flattening motor 32, and the output of flattening motor 32 and drive wheel 31 meshing.

When leveling, the output end of a leveling motor 32 is connected to drive a driving wheel 31 to rotate, and a double chain wheel 30 of an adjacent synchronous rod 29 is connected through a synchronous chain to drive all leveling disks 9 to synchronously rotate, so that synchronous grinding of the wall surface is realized; wherein the diameter of the driving wheel 31 is greater than the diameter of the double chain wheel 30, the length of the output end of the leveling motor 32 is greater than the thickness of the driving wheel 31, therefore, when the contraction connecting frame 8 is pushed forward, the driving wheel 31 outwards slides outwards at the output end but still keeps meshing, the subsequent driving is not influenced, in the adjusting process, the length of the synchronizing rod 29 is unchanged, therefore, the axle distance between the connecting shafts 28 is unchanged, all the leveling disks 9 can still be driven to synchronously rotate through the synchronizing chain, and each leveling disk 9 is not required to be provided with a motor, the structure and the control are simplified, and the synchronization rate is high.

Wherein, install flattening revolving belt 12 in the grudging post 1, fixedly connected with vertical baffle 13 in the flattening revolving belt 12, curve drive limit 14 has been seted up to the inboard edge of grudging post 1, and installation piece 5 and flattening revolving belt 12 cooperation installation. Fixedly connected with telescopic tube 15 between the inner of installation piece 5 and the cover frame 4 tip, install buffer spring 16 in the telescopic tube 15, the equal fixedly connected with in cover frame 4 both ends extends frame 17, and the equal swivelling joint of extension frame 17 tip has cooperation wheel 18, cooperation wheel 18 and the cooperation of curve drive limit 14.

The back is installed with flattening revolving belt 12 in the grudging post 1 to installation piece 5, the revolving belt through flattening revolving belt 12 drives the holistic reciprocating of flattening pole 2, during the removal, installation piece 5 is located between grudging post 1 and the vertical baffle 13, under the two is spacing, installation piece 5 can only be vertical reciprocate and can not incline to guaranteed the vertical attitude of its side, avoid influencing the flattening effect, and installation splint 19 inboard is equipped with the clamp tooth, flattening revolving belt 12 is the profile of tooth area so that the fixed back of the two centre gripping installation is more stable, the condition of relative slip can not take place.

When flattening pole 2 reciprocated, because the cooperation wheel 18 at its both ends is located curve drive limit 14 department, when it reciprocated, acted on cooperation wheel 18 through curve drive limit 14 and made flattening pole 2 remove about whole to rock about when realizing flattening pole 2 reciprocated, thereby improved the efficiency and the effect of flattening, made the flattening sheet face more level and more even. When the leveling rod 2 rocks from side to side, act on and install the telescopic tube 15 between the piece 5, the another side is stretched when making its one side compressed, and buffer spring 16 through inside makes leveling rod 2 rock from side to side comparatively steadily, avoids rigid colliding with etc. and the installation piece 5 is connected to telescopic tube 15 simultaneously for when the cover frame 4 outwards removes, it follows the removal.

s1: put grudging post 1 at the wall both ends of required flattening, because grudging post 1 is solitary two sets of, consequently can put wantonly, be applicable to the wall of multiple condition, and convenient dismantlement and accomodate, transport.

S2: the leveling rod 2 is extended by rotating the operating rod 11 according to the width of the wall surface, the contraction connecting frame 8 is expanded while the expansion is carried out, and the leveling discs 9 on the contraction connecting frame are scattered;

s3: the adjusted leveling rod 2 is arranged between the vertical frames 1; because leveling rod 2 is installed in one side of grudging post 1, the flattening dish 9 of its tip is outstanding in grudging post 1 edge, consequently flattening dish 9 can paste closely with the wall completely, and its edge can be great the required flattening wall of degree of covering.

S4: through the flattening revolving belt 12 in the switch-on grudging post 1, drive flattening pole 2 and reciprocate, rock about the cooperation with curve drive limit 14 when reciprocating, polish at the wall through flattening dish 9 and realize the flattening. Rock about the while from top to bottom, improve the degree of consistency and work efficiency of polishing, the required wall of polishing of cover that can be comparatively comprehensive.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a wall leveling device for construction, its characterized in that includes a set of grudging post (1), the cooperation has leveling rod (2) between grudging post (1), leveling rod (2) includes middle part pole (3) and sliding connection cover frame (4) at middle part pole (3) both ends, the equal sliding connection in cover frame (4) outer end has installation piece (5), the equal fixedly connected with tip leveling axle (6) of cover frame (4) outer wall, the equal elastic connection in tip leveling axle (6) is outer wheel cover (7), be connected with shrink even frame (8) between outer wheel cover (7), shrink even frame (8) and outer wheel cover (7) outer all are connected with leveling plate (9), middle part pole (3) internal rotation is connected with extension lead screw (10), extension lead screw (10) pass cover frame (4) threaded connection with it, and be used for driving cover frame (4) along middle part pole (3) translation, an operating rod (11) is rotatably mounted in the middle of the middle rod (3), and the operating rod (11) is used for driving the extension screw rod (10) to rotate.

2. The wall leveling device for building construction according to claim 1, wherein: install flattening revolving belt (12) in grudging post (1), the vertical baffle (13) of fixedly connected with in flattening revolving belt (12), curve drive limit (14) have been seted up to the inboard edge of grudging post (1), installation piece (5) and flattening revolving belt (12) cooperation installation.

3. The wall leveling device for building construction according to claim 2, wherein: the mounting block (5) fixedly connected with telescopic cylinder (15) between inner and cover frame (4) tip, install buffer spring (16) in telescopic cylinder (15), the equal fixedly connected with in cover frame (4) both ends extends frame (17), it has cooperation wheel (18) to extend frame (17) tip all to rotate, cooperation wheel (18) and curve drive limit (14) cooperation.

4. The wall leveling device for building construction according to claim 1, wherein: sliding connection has a set of installation splint (19), rotates in installation piece (5) and is connected with tight lead screw (20) of clamp, tight lead screw (20) both ends are passed installation splint (19) that are located its both sides respectively and are cooperated with it, middle part pole (3) internal rotation is connected with adaptation sleeve (21), adaptation sleeve (21) both ends are respectively through fixed connection's cone pulley and the cone pulley that presss from both sides tight lead screw (20) tip and lower cone pulley (22) meshing of action bars (11) outer wall.

5. The wall leveling device for building construction according to claim 4, wherein: adaptation sleeve (21) include urceolus (23) and interior pole (24), interior pole (24) tip is located installation piece (5) with it normal running fit, urceolus (23) tip is located middle part pole (3) with it normal running fit, urceolus (23) internal fixation is connected with spacing (25), interior pole (24) are opened outward and are equipped with the spacing groove, spacing (25) are located spacing inslot and sliding fit with it.

6. The wall leveling device for building construction according to claim 1, wherein: the outer wall of the operating rod (11) is fixedly connected with an upper cone pulley (26) and a lower cone pulley (22), the operating rod (11) is connected in the middle rod (3) in a sliding mode, and the upper cone pulley (26) is matched with the cone pulley of the extension lead screw (10).

7. The wall leveling device for building construction according to claim 1, wherein: the top of the sleeve frame (4) is fixedly connected with an outward-pushing angle plate (27), and the outward-pushing angle plate (27) is widened from top to bottom and is positioned behind the contraction connecting frame (8).

8. The wall leveling device for building construction according to claim 7, wherein: the shrink is even frame (8) and is rotated synchronizing bar (29) of connecting by a plurality of head and the tail through connecting axle (28) and constitute, the equal fixedly connected with flattening dish (9) of connecting axle (28) tip, the shrink is even frame (8) and is wavy, flattening dish (9) are two rows about and insert empty the range, connecting axle (28) and foreign steamer cover (7) outer equal fixedly connected with double sprocket (30), through double sprocket (30) through the synchronous chain drive of multiunit between connecting axle (28) and foreign steamer cover (7).

9. The wall leveling device for building construction according to claim 8, wherein: the outer wall of one of the outer wheel sleeves (7) is fixedly connected with a driving wheel (31), the outer wall of the sleeve frame (4) is fixedly provided with a leveling motor (32), and the output end of the leveling motor (32) is meshed with the driving wheel (31).

10. A method for leveling a wall surface for building construction, which is applied to any one of the devices of claims 1 to 9, comprising the steps of:

s1: placing the vertical frames (1) at two ends of a wall surface to be leveled;

s2: the leveling rod (2) is extended by rotating the operating rod (11) according to the width of the wall surface, the contraction connecting frame (8) is expanded while the expansion rod is extended, and the leveling disks (9) on the contraction connecting frame are scattered;

s3: the adjusted leveling rod (2) is arranged between the vertical frames (1);

s4: through the flattening revolving belt (12) in the switch-on stand (1), the flattening rod (2) is driven to move up and down, the flattening rod rocks left and right under the matching of the curve driving edge (14) while moving up and down, and the flattening is realized by polishing the wall surface through the flattening disc (9).