CN118046271A

CN118046271A - Wall grinding device for house construction

Info

Publication number: CN118046271A
Application number: CN202410190691.XA
Authority: CN
Inventors: 王涛; 于春梅; 王国荣; 于春兰; 王恒毅; 袁琳; 邢春雷
Original assignee: Qingdao Heshun Construction Engineering Co ltd
Current assignee: Qingdao Heshun Construction Engineering Co ltd
Priority date: 2024-02-21
Filing date: 2024-02-21
Publication date: 2024-05-17

Abstract

The invention relates to the technical field of wall polishing, and belongs to a wall polishing device for house construction, wherein a base is provided with a travelling mechanism at the bottom end; the device is characterized in that a supporting mechanism is arranged on the base; the upper end of the base is fixedly provided with a box body, a dustproof shell is arranged in the box body in a sliding manner, and a polishing mechanism convenient to detach is arranged on the outer side of the box body; the polishing mechanism is connected with the dustproof shell through the fixed shell; the fixed shell is provided with a dust removing mechanism; the dust-proof shell is provided with a first driving mechanism, and the first driving mechanism is in transmission fit with the polishing mechanism and the dust-removing mechanism to enable the polishing mechanism to work and simultaneously enable the dust-removing mechanism to move; a storage mechanism is arranged in the box body; a second driving mechanism is arranged in the box body and is in transmission fit with the dustproof shell. The first driving mechanism enables the grinding wheel to rotate and simultaneously enables the sliding block to horizontally reciprocate with the dust removing mechanism, so that the cleaning effect of dust on the ground wall surface is further improved.

Description

Wall grinding device for house construction

Technical Field

The invention belongs to the technical field of wall polishing, and relates to a wall polishing device for house construction.

Background

Most of the existing buildings are often formed by casting or floorings which form the top wall of the building to form the ceiling, but the surface of such top wall is often rough and uneven, which has an adverse effect on subsequent building processing, such as paint or mud scraping. Therefore, the polishing machine needs to be polished and leveled, and the condition of later construction is achieved. The wall surface grinding machine is a tool for replacing the traditional manual grinding of the wall surface by sand paper, so that the purposes of flattening, dust-free and protecting the physical and mental health of workers are achieved, the working efficiency of the wall surface grinding machine can be improved, the labor cost is reduced, and the quality is improved.

The utility model discloses a wall grinding device in prior art is CN 111716178's application document, including the bottom plate, the four corners department of bottom plate bottom all fixedly connected with running gear, the top fixedly connected with casing of bottom plate, the rear side fixedly connected with mounting panel of casing, the top fixedly connected with first actuating mechanism of mounting panel, actuating mechanism and dustproof shell transmission cooperation make dustproof shell reciprocate, install the actuating mechanism that polishes in the dustproof shell, the actuating mechanism that polishes is connected with the emery wheel; fixedly connected with fixed plate between dust guard and the supporting shoe, fixed dust collector that is provided with on the fixed plate, the device polishes the wall through the wheel of polishing, clears up the dust of back wall through dust collector after polishing, and the device has the problem that, when polishing the wall, the region that the dust is located is great, and dust collector in the device can't remove, can't clear away the dust on a large scale, and dust removal effect is relatively poor.

In order to solve the problems, the invention provides a wall polishing device for building construction.

Disclosure of Invention

In order to solve the problems in the background technology, the invention provides a wall polishing device for building construction.

In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the wall polishing device for house construction comprises a base, wherein a travelling mechanism is arranged at the bottom end of the base; the device is characterized in that a supporting mechanism is arranged on the base; the upper end of the base is fixedly provided with a box body, a dustproof shell is arranged in the box body in a sliding manner, and a polishing mechanism convenient to detach is arranged on the outer side of the box body; the polishing mechanism is connected with the dustproof shell through the fixed shell; the fixed shell is provided with a dust removing mechanism; the dust-proof shell is provided with a first driving mechanism, and the first driving mechanism is in transmission fit with the polishing mechanism and the dust-removing mechanism to enable the polishing mechanism to work and simultaneously enable the dust-removing mechanism to move; a storage mechanism is arranged in the box body; a second driving mechanism is arranged in the box body and is in transmission fit with the dustproof shell.

Further, the polishing mechanism comprises a plurality of polishing wheels, a plurality of rotating shafts are rotatably arranged on one side of the fixed shell away from the box body, the polishing wheels correspond to the rotating shafts one by one, and the polishing wheels are detachably arranged on the corresponding rotating shafts; the rotating shaft is in transmission fit with the first driving mechanism.

Further, the dust removing mechanism comprises a dust collector, a sliding block is arranged in the fixed shell in a sliding manner, and the sliding block is in transmission fit with the first driving mechanism through a transmission assembly; the sliding block is rotatably provided with a rotating sleeve, and the rotating sleeve is connected with the sliding block through a torsion spring; the rotating sleeve is fixedly provided with a dust collection head; the dust collector is fixedly arranged at one side of the box body, and the dust collector is communicated with the dust collection head through a dust collection pipe.

Further, the transmission assembly comprises a reciprocating screw rod which is rotatably arranged in the fixed shell and is in threaded connection with the sliding block; a second bevel gear is fixedly sleeved at one end of the reciprocating screw rod, a connecting shaft is rotatably arranged in the fixed shell, a first bevel gear is fixedly sleeved on the connecting shaft, and the first bevel gear is meshed and matched with the second bevel gear; one end of the connecting shaft, which is far away from the first bevel gear, penetrates out of the fixed shell and is in transmission fit with the first driving mechanism.

Further, the first driving mechanism comprises a second motor and two third motors, the second motor and the third motors are fixedly arranged in the dustproof shell, and the output end of the second motor is fixedly connected with the connecting shaft in a coaxial way; the output end of the second motor is fixedly sleeved with a third gear; wherein, the two rotating shafts pass through the fixed shell and the dustproof shell to be coaxially and fixedly connected with the output end of the corresponding third motor; one end of the other rotating shaft penetrates through the fixed shell and the dustproof shell to be fixedly sleeved with a fourth gear, and the fourth gear is meshed with the third gear.

Further, the second driving mechanism comprises a first motor, a plurality of threaded rods are rotatably arranged in the box body, and the threaded rods are connected with the same supporting plate in a threaded manner; the dustproof shell is fixedly arranged at the upper end of the supporting plate;

The bottom end of the threaded rod is fixedly sleeved with a belt wheel, and a belt is wound between the belt wheels; one of them is fixed to be equipped with the second gear on the cover, and first motor fixed mounting is in the base upper end, and the output of first motor is vertical upwards and coaxial fixedly connected with first gear, first gear and second gear meshing cooperation.

Further, the supporting mechanism comprises a top plate, an electric push rod is fixedly arranged at the upper end of the base, and the telescopic end of the electric push rod penetrates through the base to be fixedly connected with the top plate.

Further, the storage mechanism comprises a storage box, the storage box is fixedly arranged at the bottom end of the base, a plurality of partition plates are uniformly and fixedly arranged in the storage box, and the storage box is divided into a plurality of spaces by the partition plates to be convenient for storing polishing wheels.

Further, a water tank is fixedly arranged in the box body, and the dust collector is communicated with the water tank through a dust outlet pipe; the water tank internal fixation is provided with the filter screen, and the exhaust hole with the water tank intercommunication has been seted up to the box, sets up the drain pipe with the water tank intercommunication on the box.

Further, the left side and the right side of the upper end of the fixed shell are fixedly provided with fixed shafts, one side of each fixed block is fixedly connected with a fixed block, and the fixed blocks are in butt fit with the fixed shafts to enable the fixed blocks to rotate.

Compared with the prior art, the invention has the following beneficial effects: the first driving mechanism enables the grinding wheel to rotate and simultaneously enables the sliding block to horizontally reciprocate with the dust removing mechanism, so that the dust removing effect on the ground wall surface is further improved;

the whole is supported by the supporting mechanism, so that the stability of the whole is improved; when the fixed block moves to the fixed shaft along with the fixed block, the fixed block is abutted with the fixed shaft to enable the fixed block to rotate a certain angle along with the dust collection head, dust generated on the outer side of the grinding wheel is cleaned, and the cleaning effect is further improved.

Drawings

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

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

FIG. 3 is a left side plan view of the overall structure of the present invention;

FIG. 4 is a plan view of a rear view of the present invention;

FIG. 5 is a schematic view of the internal structure of the present invention;

FIG. 6 is a schematic diagram of a second driving mechanism according to the present invention;

FIG. 7 is a schematic view of a first driving mechanism according to the present invention;

Fig. 8 is a schematic view of the structure of the transmission assembly in the present invention.

In the figure: 1. a base; 2. a wheel; 3. a case; 4. an electric push rod; 5. a top plate; 6. a first motor; 7. a first gear; 8. a second gear; 9. a belt; 10. a first threaded rod; 11. a second threaded rod; 12. a support plate; 13. a limit rod; 14. a dust-proof case; 15. a cushion block; 16. a second motor; 17. a third motor; 18. a first fixing sleeve; 19. a third gear; 20. a fourth gear; 21. a sealing gasket; 22. a rotating shaft; 23. grinding wheel; 24. a connecting shaft; 25. a fixed housing; 26. a first bevel gear; 27. a second bevel gear; 28. a reciprocating screw rod; 29. a slide block; 30. a fixed plate; 31. a torsion spring; 32. a rotating sleeve; 33. a fixed block; 34. a fixed shaft; 35. a second fixing sleeve; 36. a dust collection pipe; 37. a dust collection head; 38. a dust collector; 39. a water tank; 40. a filter screen; 41. an air outlet hole; 42. a drain pipe; 43. a first door; 44. a partition plate; 45. and a second door.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

As shown in fig. 1 to 8, the technical scheme adopted by the invention is as follows: a wall polishing device for house construction comprises a base 1. Wheels 2 are arranged at four corners of the bottom end of the base 1, so that the whole body can be conveniently moved. The base 1 bottom is provided with supporting mechanism, and supporting mechanism's setting prevents when polishing the wall, wholly takes place to remove. The upper end of the base 1 is fixedly provided with a box body 3 with an opening at the bottom end. A first door 43 is provided at one side of the case 3. The first door 43 is hinged to the case 3. One side of the box body 3 is provided with a second box door 45, and the second box door 45 is hinged with the box body 3.

A transverse plate is fixedly arranged in the box body 3. The transverse plate divides the internal cavity of the box body 3 into an upper part and a lower part. The first cavity is arranged above the transverse plate, and the second cavity is arranged below the transverse plate. And a polishing mechanism convenient to detach is arranged on the outer side of the box body 3. A dust-proof shell 14 is arranged in the box body 3 in a vertical sliding way, and the dust-proof shell 14 plays a role in dust prevention. A plurality of through grooves are formed in one side of the box body 3, and the through grooves are vertically distributed. A plurality of first fixing sleeves 18 are fixedly provided on the dust-proof housing 14. The end of the first fixing sleeve 18, which is far away from the dust-proof housing 14, passes through the corresponding through slot and is fixedly connected with the fixing housing 25. The first retaining sleeve 18 is a sliding fit with the corresponding through slot. The first fixing sleeve 18 is horizontally disposed, and the first fixing sleeve 18 penetrates the fixing housing 25. The dust housing 14 is connected to the grinding mechanism by a first retaining sleeve 18. The fixed housing 25 is provided with a dust removing mechanism.

Be provided with first actuating mechanism in the shield 14, first actuating mechanism and dust removal mechanism, the equal transmission cooperation of grinding machanism make the dust removal mechanism remove when making grinding machanism work, increase the clearance scope to the wall dust, be favorable to the improvement of dust removal effect. A second driving mechanism is arranged in the second cavity, and the second driving mechanism is in transmission fit with the dustproof shell 14 to enable the dustproof shell 14 to move up and down, so that the wall surfaces in different areas are polished.

The grinding mechanism comprises a plurality of grinding wheels 23. There are three grinding wheels 23 in this embodiment. The first fixing sleeve 18 is rotatably provided with a rotating shaft 22, and the axis of the rotating shaft 22 is horizontally arranged. The rotating shafts 22 are in one-to-one correspondence with the polishing wheels 23, and the polishing wheels 23 are detachably arranged at one ends of the corresponding rotating shafts 22. The other end of the rotating shaft 22 passes through the dustproof shell 14 and is in transmission fit with the first driving mechanism. The end of the first fixing sleeve 18, which is close to the grinding wheel 23, is fixedly provided with a sealing gasket 21, so that dust is prevented from entering the first fixing sleeve 18.

The dust removal mechanism includes a dust collector 38. As shown in fig. 8, a chute is formed in the fixed housing 25. A slide block 29 is slidably arranged in the slide groove. A fixed disk 30 is fixedly arranged at the upper end of the sliding block 29. The fixed disk 30 is rotatably provided with a rotation shaft, and the axis of the rotation shaft is vertically arranged. The upper end of the rotating shaft is fixedly provided with a rotating sleeve 32. A dust suction head 37 is fixedly mounted on one side of the rotating sleeve 32. The suction head 37 faces the grinding wheel 23. The cleaner 38 is fixedly installed at one side of the outside of the cabinet 3. The dust collection head 37 is communicated with the dust collector 38 through the dust collection pipe 36.

Specifically, one end of the dust suction pipe 36 is fixedly connected with the dust collector 38, and a second fixing sleeve 35 is fixedly installed on one side of the fixing housing 25. The other end of the dust suction pipe 36 passes through the second fixing sleeve 35 and is fixedly connected with the dust suction head 37. The connection part of the dust collection head 37 and the dust collection pipe 36 is a telescopic pipe, so that the dust collection head 37 can conveniently move and stretch along with the movement of the dust collection head 37. The dust suction pipe 36 is fixedly connected with the second fixing sleeve 35. The second fixing sleeve 35 prevents the dust suction pipe 36 from being inclined or broken due to external force.

Fixed shafts 34 are fixedly provided at both left and right ends of the fixed housing 25. The upper end of the fixed shell 25 is provided with an opening which is communicated with the chute. The length of the opening is less than the distance between the outermost grinding wheels 23 so that the cleaning head 37 cannot move to the outside of the outer grinding wheels 23 when it is moved horizontally. A fixed block 33 is fixedly arranged on one side of the rotating sleeve 32, and the fixed block 33 is abutted with a fixed shaft 34 to enable the fixed block 33 to rotate with the rotating sleeve 32, so that dust on the outer sides of grinding wheels 23 on two sides is removed.

The rotating shaft is sleeved with a torsion spring 31, and the rotating sleeve 32 is connected with the fixed disc 30 through the torsion spring 31. One end of the torsion spring 31 is fixedly connected with the rotating sleeve 32, and the other end of the torsion spring 31 is fixedly connected with the fixed disc 30. The torsion spring 31 is provided to facilitate resetting of the rotating sleeve 32.

The upper end of the baffle is fixedly provided with a water tank 39, and the dust collector 38 is communicated with the water tank 39 through a dust outlet pipe. A filter screen 40 is installed in the water tank 39. The screen 40 divides the tank 39 into upper and lower parts. The box body 3 and the water tank 39 are provided with air outlet holes 41, and the air outlet holes 41 on the box body 3 correspond to the air outlet holes 41 on the water tank 39. The air outlet hole 41 is provided at an upper portion of the water tank 39 and communicates with the inside of the water tank 39. A drain pipe 42 is fixedly arranged on one side of the box body 3. A drain pipe 42 is provided at a lower portion of the water tank 39 to communicate with the inside of the water tank 39. The air outlet 41 is used for discharging filtered air, and the drain pipe 42 is used for discharging filtered sewage.

One side of the upper end of the baffle is fixedly provided with a storage box. The storage box is internally divided into a plurality of spaces by a plurality of partition boards 44, and the partition boards 44 are fixedly connected with the inner wall of the storage box. For storing a plurality of grinding wheels 23, facilitating the timely replacement of worn grinding wheels 23. The water tank 39 is at the rear side of the storage box.

The first drive mechanism comprises a second motor 16 and two third motors 17. The second motor 16 and the third motor 17 are fixedly mounted within the dust-proof housing 14. Wherein, a cushion block 15 is fixedly arranged in the dustproof shell 14, and a second motor 16 is fixedly arranged at the upper end of the cushion block 15. As shown in fig. 7, the second motor 16 and the third motor 17 are uniformly arranged, wherein the second motor 16 is positioned at the rear side of the third motor 17. One end of the two rotating shafts 22 far away from the grinding wheel 23 penetrates through the dustproof shell 14 and is coaxially and fixedly connected with the output end of the corresponding third motor 17. The end of the rotary shaft 22 in the rearmost first fixing sleeve 18 remote from the grinding wheel 23 passes through the dust-proof housing 14 and is fixedly sleeved with a fourth gear 20. A third gear 19 is fixedly sleeved on the output end of the second motor 16, and the third gear 19 is meshed with a fourth gear 20. The output end of the second motor 16 is coaxially and fixedly connected with a connecting shaft 24, and one end of the connecting shaft 24 far away from the second motor 16 penetrates through a fixed shell 25 to extend into the fixed shell 25 and is coaxially and fixedly connected with a first bevel gear 26. The fixed shell 25 is rotatably provided with a reciprocating screw rod 28, a second bevel gear 27 is fixedly sleeved on the reciprocating screw rod 28, and the second bevel gear 27 is meshed with the first bevel gear 26. The reciprocating screw 28 is screw-connected with a slider 29.

Two limit rods 13 are symmetrically and fixedly arranged in the box body 3, grooves are formed in two sides of the supporting plate 12, and one end of each limit rod 13 penetrates through the corresponding groove and is fixedly connected with the baffle. The limiting rod 13 is in limiting sliding fit with the corresponding groove. The setting of gag lever post 13 prevents backup pad 12 from producing rocking in the removal in-process, increases its stability.

The second drive mechanism comprises a first motor 6. Two second threaded rods 11 and one first threaded rod 10 are rotatably arranged in the box 3. The first threaded rod 10 and the second threaded rod 11 penetrate through the baffle plate and are rotatably connected with the upper top surface of the box body 3. The first threaded rod 10 and the second threaded rod 11 are both in rotary connection with the baffle. The first threaded rod 10 and the second threaded rod 11 are in threaded connection with the same supporting plate 12. The dust-proof case 14 is fixedly provided at the upper end of the support plate 12.

The first threaded rod 10 and the two second threaded rods 11 are arranged in a triangular manner. The bottom ends of the first threaded rod 10 and the second threaded rod 11 are fixedly sleeved with belt wheels, and a belt 9 is wound between the belt wheels. Wherein the first threaded rod 10 is fixedly sleeved with a second gear 8. The first motor 6 is fixedly arranged at the upper end of the base 1, the output end of the first motor 6 is vertically upwards and is coaxially and fixedly connected with the first gear 7, and the first gear 7 is meshed and matched with the second gear 8.

The support mechanism comprises a top plate 5. Two electric push rods 4 are fixedly arranged at the upper end of the base 1, and the telescopic ends of the electric push rods 4 penetrate through the base 1 and are fixedly connected with a top plate 5.

To sum up, the wheel 23 is attached to the wall surface by moving the wheel to the position to be polished. Starting electric putter 4, electric putter 4 make roof 5 downwardly moving, roof 5 and ground contact support, further strengthen holistic stability, effectively prevent to rock the in-process device of polishing and make wheel 2 drive the device skew, influence the effect of polishing to the wall.

Starting the first motor 6, the first motor 6 rotates the first gear 7, the first gear 7 rotates the second gear 8, the second gear 8 rotates the first threaded rod 10, the first threaded rod 10 drives the belt pulley to rotate, the belt pulley drives the other two belt pulleys to rotate through the belt 9, and then the second threaded rod 11 is rotated, the second threaded rod 11 enables the supporting plate 12 to move up and down with the dust-proof shell 14, the dust-proof shell 14 enables the dust-proof mechanism and the polishing mechanism to move upwards, and when the dust-proof mechanism and the polishing mechanism move to a proper position, the first motor 6 stops.

The second motor 16 and the third motor 17 are started, the third motor 17 enables the rotating shaft 22 to rotate, and the rotating shaft 22 drives the grinding wheel 23 to rotate to grind the wall surface. The second motor 16 rotates the connecting shaft 24, the connecting shaft 24 rotates the third gear 19, the third gear 19 is meshed with the fourth gear 20 to rotate the fourth gear 20, the fourth gear 20 drives the rotating shaft 22 to rotate, and the rotating shaft 22 drives the polishing wheel 23 to rotate.

Meanwhile, the connecting shaft 24 rotates with the first bevel gear 26, the first bevel gear 26 is meshed with the second bevel gear 27 to enable the second bevel gear 27 to rotate with the reciprocating screw rod 28, the reciprocating screw rod 28 enables the sliding block 29 to move left and right, the sliding block 29 moves with the rotating sleeve 32, the rotating sleeve 32 moves with the dust collection head 37 and the fixed block 33, and dust generated during polishing is absorbed by the dust collection head 37. The dust collection head 37 moves horizontally, so that the dust removal range of the polished wall surface is enlarged, and the cleaning effect is improved. When the fixed block 33 moves to the left end or the right end of the opening, the fixed block 33 is abutted with the fixed shaft 34, so that the fixed block 33 rotates by a certain angle with the rotating sleeve 32, and the rotating sleeve 32 rotates by a certain angle with the dust collection head 37, and the dust collection head 37 cleans dust on the outer side of the left grinding wheel 23, so that the dust collection effect is better.

When the fixed block 33 is separated from the fixed shaft 34, the rotating sleeve 32 returns to the original state under the action of the torsion spring 31.

Dust sucked in the suction head 37 passes through the suction pipe 36 and the cleaner 38 to enter the water tank 39. The filtered air is discharged through the air outlet hole 41 by filtering the water in the water tank 39 and the filter screen 40. The waste water is discharged through a drain pipe 42. When used again, clean water is injected through the air outlet 41. When the grinding wheel 23 needs to be replaced, the first box door 43 can be opened to take out the grinding wheel 23 in the storage box for replacement. The inside of the case 3 is cleaned and overhauled by the second door 45.

Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.

Claims

1. A wall polishing device for house construction is characterized in that a base (1) is arranged at the bottom end of the base (1); characterized by comprising the following steps: a supporting mechanism is arranged on the base (1); the upper end of the base (1) is fixedly provided with a box body (3), a dustproof shell (14) is arranged in the box body (3) in a sliding manner, and a polishing mechanism convenient to detach is arranged on the outer side of the box body (3); the polishing mechanism is connected with the dustproof shell (14) through a fixed shell (25); a dust removing mechanism is arranged on the fixed shell (25); the dust-proof shell (14) is provided with a first driving mechanism, and the first driving mechanism is in transmission fit with the polishing mechanism and the dust-removing mechanism to enable the polishing mechanism to work and simultaneously enable the dust-removing mechanism to move; a storage mechanism is arranged in the box body (3); a second driving mechanism is arranged in the box body (3) and is in transmission fit with the dustproof shell (14).

2. The wall polishing device for building construction according to claim 1, wherein: the polishing mechanism comprises a plurality of polishing wheels (23), a plurality of rotating shafts (22) are rotatably arranged on one side, far away from the box body (3), of the fixed shell (25), the polishing wheels (23) are in one-to-one correspondence with the rotating shafts (22), and the polishing wheels (23) are detachably arranged on the corresponding rotating shafts (22); the rotating shaft (22) is in transmission fit with the first driving mechanism.

3. The wall polishing device for building construction according to claim 1, wherein: the dust removing mechanism comprises a dust collector (38), a fixed shell (25) is provided with a sliding block (29) in a sliding manner, and the sliding block (29) is in transmission fit with the first driving mechanism through a transmission assembly; a rotating sleeve (32) is rotatably arranged on the sliding block (29), and the rotating sleeve (32) is connected with the sliding block (29) through a torsion spring (31); a dust collection head (37) is fixedly arranged on the rotating sleeve (32); the dust collector (38) is fixedly arranged on one side of the box body (3), and the dust collector (38) is communicated with the dust collection head (37) through the dust collection pipe (36).

4. A wall grinding apparatus for building construction according to claim 3, wherein: the transmission assembly comprises a reciprocating screw rod (28), the reciprocating screw rod (28) is rotatably arranged in the fixed shell (25), and the reciprocating screw rod (28) is in threaded connection with the sliding block (29); a second bevel gear (27) is fixedly sleeved at one end of the reciprocating screw rod (28), a connecting shaft (24) is rotatably arranged in the fixed shell (25), a first bevel gear (26) is fixedly sleeved on the connecting shaft (24), and the first bevel gear (26) is meshed and matched with the second bevel gear (27); one end of the connecting shaft (24) far away from the first bevel gear (26) penetrates out of the fixed shell (25) to be in transmission fit with the first driving mechanism.

5. The wall polishing device for building construction according to claim 4, wherein: the first driving mechanism comprises a second motor (16) and two third motors (17), the second motor (16) and the third motors (17) are fixedly arranged in the dustproof shell (14), and the output end of the second motor (16) is fixedly connected with the connecting shaft (24) in a coaxial way; the output end of the second motor (16) is fixedly sleeved with a third gear (19); wherein, the two rotating shafts (22) pass through the fixed shell (25) and the dustproof shell (14) to be coaxially and fixedly connected with the output end of the corresponding third motor (17); one end of the other rotating shaft (22) penetrates through the fixed shell (25) and the dustproof shell (14) to be fixedly sleeved with a fourth gear (20), and the fourth gear (20) is meshed and matched with the third gear (19).

6. The wall polishing device for building construction according to claim 1, wherein: the second driving mechanism comprises a first motor (6), a plurality of threaded rods are rotatably arranged in the box body (3), and the threaded rods are connected with the same supporting plate (12) in a threaded manner; the dustproof shell (14) is fixedly arranged at the upper end of the supporting plate (12);

The bottom end of the threaded rod is fixedly sleeved with a belt wheel, and a belt (9) is wound between the belt wheels; one of them is fixed to be overlapped and is equipped with second gear (8) on the threaded rod, and first motor (6) fixed mounting is in base (1) upper end, and the output of first motor (6) is vertical up and coaxial fixedly connected with first gear (7), and first gear (7) and second gear (8) meshing cooperation.

7. The wall polishing device for building construction according to claim 1, wherein: the supporting mechanism comprises a top plate (5), an electric push rod (4) is fixedly arranged at the upper end of the base (1), and the telescopic end of the electric push rod (4) penetrates through the base (1) to be fixedly connected with the top plate (5).

8. A wall grinding device for building construction according to claim 2, wherein: the storage mechanism comprises a storage box, the storage box is fixedly arranged at the fixed bottom end of the base (1), a plurality of partition boards (44) are uniformly and fixedly arranged in the storage box, and the storage box is divided into a plurality of spaces by the partition boards (44) so as to store polishing wheels (23).

9. A wall grinding apparatus for building construction according to claim 3, wherein: a water tank (39) is fixedly arranged in the box body (3), and the dust collector (38) is communicated with the water tank (39) through a dust outlet pipe; the water tank (39) is internally and fixedly provided with a filter screen (40), the tank body (3) is provided with an air outlet hole (41) communicated with the water tank (39), and the tank body (3) is provided with a drain pipe (42) communicated with the water tank (39).

10. A wall grinding device for building construction according to claim 2, wherein: fixed axle (34) are all fixed in both sides of fixed casing (25) upper end, and one side fixedly connected with fixed block (33) of fixed block (33), fixed block (33) and fixed axle (34) butt cooperation make fixed block (33) rotate.