CN112239984A

CN112239984A - Cement troweling device for building construction

Info

Publication number: CN112239984A
Application number: CN202011216850.7A
Authority: CN
Inventors: 孙辉连
Original assignee: Suzhou Qishao Engineering Technology Co Ltd
Current assignee: Suzhou Qishao Engineering Technology Co Ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-01-19

Abstract

The invention discloses a cement trowelling device for building construction, and belongs to the technical field of engineering construction equipment. The utility model provides a cement trowelling device for construction, includes the base, and base top surface middle part is equipped with removes the seat, it is symmetrical structure and is equipped with two guide blocks to remove the seat right side, the guide block top surface is linear equidistant a plurality of tooth's sockets of having seted up, the guide block right-hand member has set firmly the connecting plate, it inserts and is equipped with two threaded rods, two to be symmetrical structure on the connecting plate right side is equipped with the movable block, the spread groove has been seted up for the position of connecting plate to the movable block left wall, the spread groove inner wall has seted up the screw hole for the position of threaded rod, the movable block right wall is linear equidistant a plurality of rollers of being equipped with, two be. The invention avoids the foot prints generated by manual floating and the ruts which can be pressed out by floating with the existing device, thereby effectively improving the working efficiency of floating work and saving time and labor.

Description

Cement troweling device for building construction

Technical Field

The invention relates to the technical field of engineering construction equipment, in particular to a cement trowelling device for building construction.

Background

The cement is a powdery hydraulic inorganic cementing material, is added with water and stirred into slurry, can be hardened in the air or in water, and can firmly bond sand, stone and other materials together, so that the reinforcing effect can be achieved.

Through the retrieval, the patent of publication No. CN111395114A discloses a cement troweling device for construction, and the inventor is realizing the utility model discloses an in-process discovery prior art has following problem: 1. the existing device is limited by the length of the walking rod, and a constructor still needs to step on the cement surface when using the device to carry out cement trowelling work, so that foot prints are easy to leave; 2. the device adopts manual promotion to float, because of its volume is great, so constructor's the condition of floating of observation frame downside ground when using totally, and manual promotion is difficult to guarantee the vertical of walking route again, and this just causes the hourglass easily, and then leads to floating the quality of work and receive the influence, in view of this, we provide a cement floating device for construction.

Through the retrieval, the patent of publication No. CN211285170U discloses a cement floating device that town road construction used, and the inventor is realizing the utility model discloses an in-process discovery prior art has following problem: 3. when the existing device is used for plastering cement, universal rollers on two sides of the bottom surface of the device can move along the surface of the cement to leave tracks, and then new tracks can be left again if the device is used for filling the tracks in the subsequent process, so that the tracks are finally filled manually by workers, time and labor are wasted, and accordingly, the cement plastering device for building construction is provided.

Disclosure of Invention

1. Technical problem to be solved

The invention aims to provide a cement troweling device for building construction, which aims to solve the problems in the background technology.

2. Technical scheme

A cement trowelling device for building construction comprises a base, wherein a moving seat is arranged in the middle of the top surface of the base, two wheel shafts are symmetrically arranged on the lower portion of the moving seat in a penetrating mode, two idler wheels are symmetrically sleeved at two ends of each wheel shaft, wheel grooves are formed in the top surface of the base relative to the positions of the idler wheels, two U-shaped push rods are symmetrically arranged on the front side and the rear side of the moving seat in a penetrating mode, two guide blocks are arranged on the right side of the moving seat in a symmetrical structure, a plurality of tooth grooves are formed in the top surface of each guide block in a linear and equidistant mode, penetrating grooves are formed in the position, opposite to the guide blocks, of the moving seat, inserting plates are arranged above the two guide blocks, opposite to the left position of the moving seat, a shifting plate is fixedly arranged at the upper end of the right wall of each inserting plate, two sliding columns, the right end of each guide block is fixedly provided with a connecting plate, two threaded rods are inserted into the connecting plate in a symmetrical structure, moving blocks are arranged on the right sides of the two connecting plates, a connecting groove is formed in the position, opposite to the connecting plate, of the left wall of each moving block, a threaded hole is formed in the position, opposite to the threaded rods, of the inner wall of each connecting groove, a plurality of rolling columns are embedded in the right wall of each moving block in a linear and equidistant mode, rubber sleeves are sleeved on the outer sides of the rolling columns, and a floating assembly is arranged.

Preferably, the bottom surface of the moving seat is in sliding contact with the middle part of the top surface of the base, the wheel shaft is rotatably connected with the moving seat, and the annular outer wall of the roller is in rolling contact with the bottom surface of the wheel groove.

Preferably, the guide block is T type structure with the through groove, guide block and through groove sliding fit, picture peg and tooth's socket grafting cooperation, traveller and post groove sliding fit, the cooperation of pegging graft of connecting plate and spread groove, threaded rod and screw hole threaded connection, the rolling post rotates with the movable block to be connected.

Preferably, the floating assembly comprises a shell, the shell is of a cylindrical structure, a cavity is formed in the middle of the bottom surface of the shell, two side plates are symmetrically and fixedly arranged on two sides of the top surface of the shell, a guide groove is formed in the outer wall of each side plate relative to the inner side end of the guide block, and the inner side end of the guide block is in sliding fit with the guide groove.

Preferably, two run through between the sideboard and be equipped with the pivot, the pivot both ends run through two sideboard inner walls respectively and extend to outside and coaxial fixedly connected with gear, the gear is connected with the tooth's socket meshing, the coaxial fixedly connected with servo motor in pivot rear end, servo motor pass through L type pillar with be located the rear side sideboard outer wall is connected fixedly, the pivot middle part cover is equipped with bevel gear A, bevel gear A below is equipped with bevel gear B, bevel gear A and bevel gear B meshing are connected.

Preferably, the middle part of the bottom surface of the bevel gear B is coaxially and fixedly connected with an axis A, the lower end of the axis A penetrates through the top surface of the shell and extends into the cavity, a rotating ring is fixedly arranged at the lower side of the outer wall of the axis A relative to the position of the interlayer of the top surface of the shell, a rotating groove is formed in the interlayer of the top surface of the shell relative to the rotating ring, and the rotating ring is rotatably connected with the rotating groove.

Preferably, a connecting rod is coaxially inserted in the middle of the bottom surface of the axis A, the connecting rod is in sliding fit with the inside of the axis A, two sliding blocks are symmetrically and fixedly arranged at the upper end of the outer wall of the connecting rod, a sliding groove is formed in the inside of the axis A relative to the position of the sliding block, and the sliding block is in sliding fit with the sliding groove.

Preferably, the coaxial axle center B that sets firmly of connecting rod lower extreme, the outside cover of axle center B is equipped with compression spring, axle center B lower extreme sets firmly the carousel, the carousel is located same axis with the cavity, a plurality of scrapers have set firmly to the carousel bottom personally submit annular equidistant.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

1. the invention is provided with a guide block, a worker can firstly screw a threaded rod out of a threaded hole, then release the guide block and a moving block, then lift a shifting plate, so that an inserting plate is not inserted into a tooth socket any more, at the moment, the guide block can be drawn out, then the guide block with a proper length is replaced according to the construction requirement on site, firstly, the left end of the guide block on one side is inserted into a through groove and is reconnected with the moving block, the worker can continuously draw out the right part of the guide block and enables the outer wall of a rolling column on the right side of the moving block to be tightly attached to the inner wall of a building, then, a floating component is placed on one side of the inserted guide block, a gear and a guide groove which correspond to the floating component are respectively connected with the tooth socket and the inner side end on the guide block, finally, the guide block on the other side can be inserted into the left side of the through groove and connected with the floating component along the gear and the guide groove, and then, the guide block, can make the different building environment of adaptation of this device flexibility through such structure, improve the practicality and the flexibility ratio of this device, make floating work no longer receive the restriction of floating device push rod length, in addition, this structure has still avoided the manual work to float the footprint that can produce and has used the existing device to float the rut that can extrude, has further ensured the work quality and the work efficiency of cement floating work, has reduced staff's the amount of labour, convenient and fast.

2. The trowelling component of the invention can move back and forth along the direction of the guide block by driving the gear to rotate forwards or reversely by the servo motor and matching with the meshing connection of the gear and the tooth socket, thereby saving strength and ensuring that the trowelling component moves along a straight line, and workers can change the trowelling path of the trowelling component by pushing the movable seat, thus avoiding the careless leakage caused by manual trowelling and ensuring the quality of cement trowelling work, and the rotary table can be driven to rotate simultaneously by the meshing connection of the bevel gear A and the bevel gear B while the servo motor drives the gear to rotate, a plurality of scraping plates with annular equal intervals on the bottom surface can carry out trowelling work on the cement surface which is previously smeared on the ground in the rotating process of the rotary table, and the trowelling mode by rotation is smoother and more efficient than the manual trowelling mode using the scraping plates, the labor consumption of workers is greatly reduced, the working efficiency of the floating work can be effectively improved in such a mode, a large amount of power resources can be saved, and the floating device is convenient and fast.

3. In the invention, the axle center A is connected with the axle center B through the connecting rod and the sliding blocks fixedly arranged at the upper ends of the two sides of the connecting rod, the axle center B can move up and down through the sliding fit of the sliding blocks and the sliding grooves, the floating component is connected with the inner end of the guide block through the guide grooves, the guide block can provide supporting force for the floating component, the floating component can not cause the inclination of the guide block and the moving seat due to the larger weight of the moving seat, the rubber sleeve is sleeved outside the rolling column rotationally connected with the right wall of the moving block, the larger friction force between the outer wall of the rubber sleeve and the inner wall of a building can be generated to block the vertical movement of the moving block, so the bearing capacity of the guide block can be improved, partial weight of the floating component is born by the guide block through the guide block, the problem that a scraper at the lower part of the floating component is pressed into cement by the floating component can not be generated, therefore, when the bottom surface of, can make compression spring contract make axle center B along slider and spout sliding fit's direction lifting certain distance simultaneously, through the problem that the weight of above-mentioned structure can be abundant when avoiding floating work to go on leads to cement to be scraped away completely because of floating subassembly self, also reduced the rigid contact between scraper blade and ground, and then reduced axle center A and axle center B's burden, still increased floating subassembly's life when having improved floating work quality, the practicality is strong.

4. The right wall of the moving block arranged in the device is rotatably connected with the plurality of rolling columns, so that when a worker pushes the moving seat, the moving block and the moving seat can move simultaneously, the outer wall of each rolling column is sleeved with the rubber sleeve, the worker can limit the position of the guide block through the insertion and connection matching of the inserting plate and the tooth grooves when installing the device, and at the moment, a large extrusion force can be formed between the outer wall of the rubber sleeve and the inner wall of a building, so that the device not only can play a role in limiting the moving direction of the device, but also can provide a function of increasing the friction force in the vertical direction to provide a supporting force for the trowelling assembly, and the two functions.

Drawings

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

FIG. 2 is a schematic view of the structure of the movable base and the guide block of the present invention;

FIG. 3 is a schematic structural diagram of a guide block and a moving block according to the present invention;

FIG. 4 is a rear view of the troweling assembly according to the present invention;

FIG. 5 is a cross-sectional structural schematic view of the housing of the present invention;

FIG. 6 is a schematic view of the structure of the axis A and the axis B;

fig. 7 is a schematic sectional view of the shaft a of the present invention.

The reference numbers in the figures illustrate: 1. a base; 2. a movable seat; 3. a wheel axle; 4. a roller; 5. a wheel groove; 6. a U-shaped push rod; 7. a guide block; 8. a tooth socket; 9. a through groove; 10. inserting plates; 11. dialing a plate; 12. a traveler; 13. a column groove; 14. an extension spring; 15. a connecting plate; 16. a threaded rod; 17. a moving block; 18. connecting grooves; 19. a threaded hole; 20. a rolling post; 21. a rubber sleeve; 22. a troweling assembly; 23. a housing; 24. a cavity; 25. a side plate; 26. a guide groove; 27. a rotating shaft; 2701. a servo motor; 2702. an L-shaped strut; 28. a gear; 29. a bevel gear A; 30. a bevel gear B; 31. an axis A; 32. a rotating ring; 33. a rotating groove; 34. a connecting rod; 35. a slider; 36. a chute; 37. an axis B; 38. a compression spring; 39. a turntable; 40. a scraper.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-7, the present invention provides a technical solution:

a cement trowelling device for building construction comprises a base 1, a movable base 2 is arranged in the middle of the top surface of the base 1, two wheel shafts 3 are symmetrically arranged on the lower portion of the movable base 2 in a penetrating mode, two rollers 4 are symmetrically sleeved on two ends of the wheel shafts 3, wheel grooves 5 are formed in the position, opposite to the rollers 4, of the top surface of the base 1, two U-shaped push rods 6 are symmetrically arranged on the front side and the rear side of the movable base 2 in a penetrating mode, two guide blocks 7 are arranged on the right side of the movable base 2 in a symmetrical structure, a plurality of tooth grooves 8 are linearly arranged on the top surface of the guide blocks 7 at equal intervals, penetrating grooves 9 are formed in the position, opposite to the guide blocks 7, of the movable base 2, a plug board 10 is arranged above the two guide blocks 7 and opposite to the left side of the movable base 2, a shifting board 11 is fixedly arranged on the upper end of the right wall of the plug board 10, the right end of the guide block 7 is fixedly provided with a connecting plate 15, the connecting plate 15 is provided with a symmetrical structure, two threaded rods 16 are inserted into the symmetrical structure, a moving block 17 is arranged on the right sides of the two connecting plates 15, the left wall of the moving block 17 is provided with a connecting groove 18 relative to the position of the connecting plate 15, the inner wall of the connecting groove 18 is provided with a threaded hole 19 relative to the position of the threaded rod 16, the right wall of the moving block 17 is embedded with a plurality of rolling columns 20 at equal intervals linearly, the outer side of each rolling column 20 is sleeved with a rubber sleeve.

Specifically, remove 2 bottom surfaces of seat and 1 top surface middle part sliding contact of base, shaft 3 rotates with removing seat 2 to be connected, and 4 annular outer walls of gyro wheel and 5 bottom surfaces of race roll contact, staff's accessible U type push rod 6 promote to remove seat 2 along the rolling contact translation removal seat between 4 annular outer walls of gyro wheel and 5 bottom surfaces of race.

Furthermore, the guide block 7 and the through groove 9 are both of a T-shaped structure, the guide block 7 is in sliding fit with the through groove 9, the inserting plate 10 is in inserting fit with the tooth groove 8, the sliding column 12 is in sliding fit with the column groove 13, the connecting plate 15 is in inserting fit with the connecting groove 18, the threaded rod 16 is in threaded connection with the threaded hole 19, the rolling column 20 is rotatably connected with the moving block 17, a worker can unscrew the threaded rod 16 out of the threaded hole 19 and then release the guide block 7 and the moving block 17, and then lift the shifting plate 11, so that the inserting plate 10 is not inserted into the tooth groove 8 any more, at the moment, the guide block 7 can be drawn out, and the guide block 7 with the proper length can be replaced according to.

Furthermore, the trowelling component 22 comprises a shell 23, the shell 23 is of a cylindrical structure, a cavity 24 is formed in the middle of the bottom surface of the shell 23, two side plates 25 are symmetrically and fixedly arranged on two sides of the top surface of the shell 23, guide grooves 26 are formed in the outer walls of the side plates 25 relative to the positions of the inner side ends of the guide blocks 7, the inner side ends of the guide blocks 7 are in sliding fit with the guide grooves 26, and therefore the guide blocks 7 can provide supporting force for the trowelling component 22.

Still further, a rotating shaft 27 penetrates through the two side plates 25, two ends of the rotating shaft 27 penetrate through the inner walls of the two side plates 25 respectively, extend to the outside and are fixedly connected with gears 28 coaxially, the gears 28 are meshed with the tooth spaces 8, the rear end of the rotating shaft 27 is fixedly connected with a servo motor 2701 coaxially, the servo motor 2701 is fixedly connected with the outer wall of the side plate 25 located on the rear side through an L-shaped support 2702, a bevel gear A29 is sleeved in the middle of the rotating shaft 27, a bevel gear B30 is arranged below the bevel gear A29, the bevel gear A29 is meshed with the bevel gear B30, the servo motor 2701 is connected with an external control mechanism through a conducting wire, then the gear 28 is driven by the servo motor 2701 to rotate forwards or reversely, and the floating assembly 22 can move back and forth along the direction of the guide block 7 by matching with the.

It is worth introducing that, the central part of the bottom surface of the bevel gear B30 is coaxially and fixedly connected with an axis a31, the lower end of the axis a31 penetrates through the top surface of the housing 23 and extends into the cavity 24, a rotating ring 32 is fixedly arranged at the lower side of the outer wall of the axis a31 relative to the position of the top surface interlayer of the housing 23, a rotating groove 33 is arranged at the position of the top surface interlayer of the housing 23 relative to the rotating ring 32, and the rotating ring 32 is rotatably connected with the rotating groove 33, so that the axis a31 can rotate along with the rotation of the bevel gear B30 while the axis a 31.

It is worth to be noted that a connecting rod 34 is coaxially inserted in the middle of the bottom surface of the axis a31, the connecting rod 34 is in sliding fit with the inside of the axis a31, two sliding blocks 35 are symmetrically and fixedly arranged at the upper end of the outer wall of the connecting rod 34, a sliding groove 36 is arranged in the axis a31 at a position corresponding to the sliding block 35, and the sliding block 35 is in sliding fit with the sliding groove 36, so that the position of the connecting rod 34 can be raised.

It is worth noting that the lower end of the connecting rod 34 is coaxially and fixedly provided with an axis B37, the outside of the axis B37 is sleeved with a compression spring 38, the lower end of the axis B37 is fixedly provided with a rotating disc 39, the rotating disc 39 and the cavity 24 are positioned on the same axis, the bottom surface of the rotating disc 39 is annularly and fixedly provided with a plurality of scrapers 40 at equal intervals, when the bottom surface of the scraper 40 is stressed by the compression spring 38 sleeved on the outside of the axis B37, the compression spring 38 can contract and simultaneously enable the axis B37 to lift a certain distance along the sliding fit direction of the sliding block 35 and the sliding groove 36, the problem that cement is completely scraped away due to the self weight of the floating assembly 22 when the floating work is carried out can be sufficiently avoided through the structure, the hard contact between the scrapers 40 and the ground is also reduced, further, the burden of the axis a31 and the axis B37 is reduced, the floating work quality is improved, and the service life, the practicability is strong.

The working principle is as follows: the worker can firstly screw the threaded rod 16 out of the threaded hole 19, then can release the guide block 7 and the moving block 17, then lift the shifting plate 11, so that the inserting plate 10 is not inserted into the tooth groove 8 any more, at the moment, the guide block 7 can be drawn out, then the guide block 7 with a proper length can be replaced according to the construction requirement on the site, firstly, the left end of the guide block 7 on one side is inserted into the through groove 9 and is reconnected with the moving block 17, the worker can continuously draw out the right part of the guide block and enables the outer wall of the rolling column 20 on the right side of the moving block 17 to be tightly attached to the inner wall of the building, then, the troweling component 22 is placed on one side of the inserted guide block 7, the gear 28 and the guide groove 26 which correspond to the troweling component 22 are respectively connected with the tooth groove 8 and the inner side end on the guide block 7, and finally, the guide block 7 on the other side can be inserted into the troweling component 22 along the, the device is driven to the right to the position of the moving block 17 and is connected with the moving block 17, so that the installation step of the device is completed, the device can be flexibly adapted to different building environments through the structure, the practicability and the flexibility of the device are improved, the floating work is not limited by the length of a push rod of the floating device, in addition, the structure also avoids foot marks generated by manual floating and ruts which can be extruded by using the existing device, the working quality and the working efficiency of the cement floating work are further ensured, the labor amount of workers is reduced, the device is convenient and quick, after the installation is completed, the workers need to firstly utilize a lead to connect the servo motor 2701 with an external control mechanism, then drive gears 28 of the servo motor 2701 rotate forwards or reversely, and the floating assembly 22 can move back and forth along the direction of the guide block 7 by matching the meshing connection of the gears 28 and the tooth sockets 8, the labor is saved, the leveling assembly 22 can move linearly, a worker can change the leveling path of the leveling assembly 22 by pushing the movable seat 2, so that the careless omission caused by manual leveling can be avoided, the quality of cement leveling work is guaranteed, the servo motor 2701 drives the gear 28 to rotate, the bevel gear A29 is meshed with the bevel gear B30 to simultaneously drive the rotary disc 39 to rotate, a plurality of scraping plates 40 arranged at equal intervals in a ring shape on the bottom surface of the rotary disc 39 can perform leveling work on the cement surface which is pre-coated on the ground, the leveling work is smoother and more efficient by the rotating leveling mode compared with manual scraping by the scraping plates 40, the labor consumption of the worker is greatly reduced, the working efficiency of the leveling work can be effectively improved by the mode, and a large amount of power resources can be saved, the trowelling device is convenient and quick to use, in the trowelling work, because the trowelling component 22 is connected with the inner side end of the guide block 7 through the guide groove 26, the guide block 7 can provide supporting force for the trowelling component 22, because the weight of the moving seat 2 is large, the trowelling component 22 cannot cause the moving seat 2 and the guide block 7 to incline, a rubber sleeve is sleeved outside the rolling column 20 rotatably connected with the right wall of the moving block 17, a large friction force is generated between the outer wall of the rubber sleeve and the inner wall of a building to prevent the moving block 17 from vertically moving, so that the bearing force of the guide block 7 can be improved, partial weight of the trowelling component 22 is borne by the guide block 7 through the guide block 7, the problem that the scraping plate 40 at the lower part of the trowelling component 22 is pressed into cement by the trowelling component 22 is avoided, and therefore, when the compression spring 38 sleeved outside the shaft center B37 bears upward force on the bottom surface of the scraping plate 40, the compression spring 38 can be contracted, and simultaneously, the shaft center B37 is lifted up to a certain Distance, through the problem that can be abundant avoid floating work to lead to cement to be scraped off completely because of floating subassembly 22 self weight when going on of above-mentioned structure, also reduced the rigid contact between scraper blade 40 and ground, and then reduced axle center A31 and axle center B37's burden, still increased floating subassembly 22's life when having improved floating work quality, the practicality is strong.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a cement trowelling device for construction, includes base (1), its characterized in that: base (1) top surface middle part is equipped with removes seat (2), it runs through and is equipped with two shaft (3) to remove seat (2) lower part symmetry, shaft (3) both ends symmetry cover is equipped with two gyro wheels (4), race (5) have been seted up for the position of gyro wheel (4) to base (1) top surface, bilateral symmetry has set firmly two U type push rods (6) around removing seat (2), it is symmetrical structure and is equipped with two guide block (7) to remove seat (2) right side, guide block (7) top surface is linear equidistant a plurality of tooth's socket (8) have been seted up, it has seted up for the position of guide block (7) to run through groove (9) on removing seat (2), two guide block (7) top is equipped with picture peg (10) for removing the left position of seat (2), picture peg (10) right wall upper end sets firmly dials board (11), two sliding columns (12) are symmetrically and fixedly arranged on the bottom surface of the shifting plate (11), a column groove (13) is formed in the position, corresponding to the sliding columns (12), on the top surface of the moving seat (2), an extension spring (14) is sleeved on the outer side of the sliding column (12), a connecting plate (15) is fixedly arranged at the right end of the guide block (7), two threaded rods (16) are inserted on the connecting plates (15) in a symmetrical structure, moving blocks (17) are arranged on the right sides of the two connecting plates (15), a connecting groove (18) is arranged on the left wall of the moving block (17) corresponding to the connecting plate (15), the inner wall of the connecting groove (18) is provided with a threaded hole (19) relative to the threaded rod (16), a plurality of rolling columns (20) are embedded in the right wall of the moving block (17) at equal intervals in a linear way, the outer side of the rolling column (20) is sleeved with a rubber sleeve (21), and a floating assembly (22) is arranged between the middle parts of the two guide blocks (7).

2. The device for plastering and leveling cement for construction according to claim 1, wherein: the bottom surface of the movable seat (2) is in sliding contact with the middle of the top surface of the base (1), the wheel shaft (3) is rotatably connected with the movable seat (2), and the annular outer wall of the roller (4) is in rolling contact with the bottom surface of the wheel groove (5).

3. The device for plastering and leveling cement for construction according to claim 1, wherein: guide block (7) are T type structure with running through groove (9), guide block (7) and running through groove (9) sliding fit, picture peg (10) and tooth's socket (8) cooperation of pegging graft, traveller (12) and post groove (13) sliding fit, connecting plate (15) and spread groove (18) cooperation of pegging graft, threaded rod (16) and screw hole (19) threaded connection, traveller (20) are connected with movable block (17) rotation.

4. The device for plastering and leveling cement for construction according to claim 1, wherein: troweling assembly (22) includes shell (23), shell (23) are the cylinder structure, cavity (24) have been seted up at shell (23) bottom surface middle part, shell (23) top surface bilateral symmetry has set firmly two sideboard (25), guide way (26) have been seted up for the position of guide block (7) medial extremity to sideboard (25) outer wall, guide block (7) medial extremity and guide way (26) sliding fit.

5. The device of claim 4, wherein: two run through between sideboard (25) and be equipped with pivot (27), pivot (27) both ends run through two sideboard (25) inner walls respectively and extend to outside and coaxial fixedly connected with gear (28), gear (28) are connected with tooth's socket (8) meshing, the coaxial fixedly connected with servo motor (2701) of pivot (27) rear end, servo motor (2701) pass through L type pillar (2702) and be located the rear side sideboard (25) outer wall connection is fixed, pivot (27) middle part cover is equipped with bevel gear A (29), bevel gear A (29) below is equipped with bevel gear B (30), bevel gear A (29) and bevel gear B (30) meshing are connected.

6. The device of claim 5, wherein: the bevel gear B (30) bottom surface middle part is coaxial fixedly connected with axle center A (31), axle center A (31) lower extreme runs through shell (23) top surface and extends to inside cavity (24), axle center A (31) outer wall downside has set firmly swivel becket (32) for the interbedded position of shell (23) top surface, rotation groove (33) have been seted up for swivel becket (32) position in shell (23) top surface interbedded, swivel becket (32) and rotation groove (33) rotate and are connected.

7. The device of claim 6, wherein: the axle center A (31) bottom surface middle part is coaxial to be inserted and is equipped with connecting rod (34), connecting rod (34) and the inside sliding fit of axle center A (31), connecting rod (34) outer wall upper end symmetry has set firmly two slider (35), spout (36) have been seted up for the position of slider (35) in axle center A (31) inside, slider (35) and spout (36) sliding fit.

8. The device of claim 7, wherein: the coaxial axle center B (37) that has set firmly of connecting rod (34) lower extreme, axle center B (37) outside cover is equipped with compression spring (38), axle center B (37) lower extreme has set firmly carousel (39), carousel (39) and cavity (24) are located same axis, carousel (39) bottom surface is the annular equidistant a plurality of scrapers (40) that have set firmly.