CN213646927U

CN213646927U - Outdoor wall body grinding device for building

Info

Publication number: CN213646927U
Application number: CN202021754544.4U
Authority: CN
Inventors: 巴澜涛; 赵志芸; 王新华; 岳云厚
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-07-09
Anticipated expiration: 2030-08-21

Abstract

The utility model discloses an outdoor wall body grinding device for building, which comprises a box body, a second dovetail block is attached and slides in a second dovetail groove, a second spring is arranged in the second dovetail groove, the top surface of the second dovetail block is fixedly connected with a second vertical rod, the top end of the second vertical rod is fixedly connected with the bottom surface of a first U-shaped plate, a second slide rod is embedded in the second vertical rod, two ends of the second slide rod penetrate through the second vertical rod and are fixedly connected with a limit block, a fourth spring is a compression spring, one end of the fourth spring is fixedly connected with a toothed ring, the second slide rod is made of alloy steel materials, the model of a three-phase asynchronous motor is Y2-80M2-4S150, the device has simple structure, multiple functions and strong practicability, can grind the wall body, reduce the complexity of manual operation, can accurately position the bulge of the wall body, is convenient for next grinding, and improves the working efficiency, the dust collecting device can also collect dust, so that the dust can be conveniently collected while the health of workers is protected, and the building use requirement is met.

Description

Outdoor wall body grinding device for building

Technical Field

The utility model relates to a building field, concretely relates to outdoor wall body grinding device for building.

Background

The building is not a purpose, the purpose of the building is to obtain a space formed by the building, and in order to meet the needs of social life, people need to polish the wall of the built building by using the grasped technical means of materials and applying a certain scientific law, wind and water theory and aesthetic rules to create an artificial environment, so that the surface of the wall is smooth and convenient for coating putty powder on the wall, most of the existing building wall polishing methods adopt manual hand-held abrasive paper to polish the wall in a friction mode, the polishing efficiency is low, the polishing effect is not good, the same smoothness as the whole wall can not be guaranteed, the wall can not be polished by inexperienced people, the wall can not be polished by machines, but the existing polishing machines have poor adjustability and can not accurately position the bulge, and the adjustment is not flexible and convenient.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem of the existence, the utility model provides an outdoor wall body grinding device for building.

The utility model discloses a realize through following technical scheme:

an outdoor wall polishing device for buildings comprises a box body, wherein the side wall of the box body is hinged with a box door through hinges, a sealing strip is arranged between the box body and the box door, the bottom surface of the box body is symmetrically and fixedly connected with a plurality of universal wheels, the side wall of the box body is fixedly connected with a controller, the top surface of the box body is fixedly connected with a battery, the top surface of the box body is symmetrically and fixedly connected with two electric telescopic rods, the electric telescopic rods are connected with the controller through circuits, the top ends of the two electric telescopic rods are fixedly connected with transverse plates, the top surface of the transverse plate is symmetrically provided with two first dovetail grooves, first dovetail blocks are attached and slide in the first dovetail grooves, the top surfaces of the first dovetail blocks are fixedly connected with first vertical rods, the top ends of the two first vertical rods are fixedly connected with U-shaped plates, the openings of the U-shaped plates face downwards, the inner side walls, the output end of the three-phase asynchronous motor is fixedly connected with a first barrel body, the side wall of the U-shaped plate is fixedly connected with a second barrel body, the section of the second barrel body is trapezoidal, one end of the second barrel body is fixedly connected with a rubber ring, the other end of the second barrel body penetrates into the U-shaped plate, a first sliding block is attached and slides in the first barrel body, the section of the first sliding block is square, the side wall of the first sliding block is fixedly connected with a first sliding rod, the side wall of the first barrel body is fixedly connected with a baffle ring, the other end of the first sliding rod penetrates out of the first barrel body and penetrates into the second barrel body through the baffle ring, a grinding disc is fixedly connected with the first barrel body, the grinding disc and the rubber ring are positioned on the same vertical plane, the rubber ring and one side wall of the box body are positioned on the same vertical plane, the section of the first sliding rod is circular, two sealing rings are attached and, a first spring is arranged in the first barrel, one end of the first spring is fixedly connected with the side wall of the first sliding block, the other end of the first spring is fixedly connected with the side wall of the first barrel, the first spring is a compression spring, a circular ring is fixedly sleeved on the first sliding rod and arranged between the first barrel and the second barrel, a first U-shaped plate is arranged at the bottom end of the circular ring in a laminating manner, a second dovetail groove is formed in the top surface of the transverse plate, a second dovetail block is arranged in the second dovetail groove in a laminating and sliding manner, a second spring is arranged in the second dovetail groove, the second spring is a compression spring, a second vertical rod is fixedly connected to the top surface of the second dovetail block, the top end of the second vertical rod is fixedly connected with the bottom surface of the first U-shaped plate, a second sliding rod is embedded in the second vertical rod, two ends of the second sliding rod penetrate through a limiting block fixedly connected with the second vertical rod, and the second sliding rod is connected with the second vertical, the section of the second sliding rod is square, two third springs are sleeved on the second sliding rod and are positioned on two sides of a second vertical rod, the third springs are compression springs, a rotating block is embedded in the side wall of the U-shaped plate, the U-shaped plate is rotatably connected with the rotating block, a rotating shaft is fixedly connected with the side wall of the rotating block, the other end of the rotating shaft penetrates into the U-shaped plate and is fixedly connected with a rubber block through glue, the side wall of the rubber block is attached to the side wall of a limiting block, a second gear is fixedly sleeved on the rotating shaft, a rack is fixedly connected to the top surface of the transverse plate, the second gear is meshed with the rack, a barrel is attached to the rotating shaft and is rotatably sleeved on the rotating shaft, a third vertical rod is fixedly connected to the side wall of the barrel, the top end of the third vertical rod is fixedly connected with the top surface of the U-shaped plate, a stop block is fixedly connected in the sliding groove, a second sliding block is arranged in the sliding groove, one end of the second sliding block is fixedly connected with a third sliding rod, the other end of the third sliding rod passes through the check block and is fixedly connected with a convex block, the side wall of the rotating shaft is annularly provided with a plurality of grooves, the convex block is arranged in the groove in an attaching manner, the stop block is connected with the third slide bar in a sliding manner, a fourth spring is arranged in the sliding groove, the fourth spring is a compression spring, one end of the fourth spring is fixedly connected with the gear ring, the other end of the fourth spring is fixedly connected with the surface of the second sliding block, the bottom surface of the second barrel body is fixedly communicated with a vertical pipe, the top surface of the box body is fixedly connected with a dust collector, the output end of the dust collector is communicated with the box body, the input end of the dust collector is fixedly communicated with a corrugated hose through glue, the other end of the corrugated hose is fixedly communicated with the vertical pipe through glue, and the controller is electrically connected with the battery.

Preferably, the second slide bar is made of alloy steel materials.

Preferably, the model of the three-phase asynchronous motor is Y2-80M2-4S 150.

Compared with the prior art, the beneficial effects of the utility model are that: the device has simple structure, various functions and strong practicability, can polish the wall body by arranging a three-phase asynchronous motor, a first barrel body, a second barrel body, a rubber ring, a first sliding block, a first sliding rod, a sanding disc, a sealing ring, a first spring, a baffle ring and a circular ring, reduces the complexity of manual operation, and can accurately position the convex part of the wall surface by arranging a first U-shaped plate, a first gear, a second dovetail block, a second spring, a second vertical rod, a second sliding rod, a limiting block, a third spring, a rotating block, a rotating shaft, a rubber block, a second gear, a rack, a barrel body, a third vertical rod, a gear ring, a stopping block, a second sliding block, a third sliding rod, a convex block and a fourth spring, is convenient for subsequent polishing and improving the working efficiency, and is also provided with a vertical pipe, a dust collector and a corrugated hose, can collect dust while protecting the health of workers, the use requirements of the building are met.

Drawings

FIG. 1 is a block diagram of the structure of the present invention;

fig. 2 is a partial left side view of the structure of the present invention.

In the figure: the device comprises a box body 1, a controller 2, a battery 3, an electric telescopic rod 4, a transverse plate 5, a first dovetail block 6, a first vertical rod 7, a U-shaped plate 8, a three-phase asynchronous motor 9, a first barrel 10, a second barrel 11, a rubber ring 12, a first sliding block 13, a first sliding rod 14, a sanding disc 15, a sealing ring 16, a first spring 17, a baffle ring 18, a circular ring 19, a first U-shaped plate 20, a first gear 21, a second dovetail block 22, a second spring 23, a second vertical rod 24, a second sliding rod 25, a limiting block 26, a third spring 27, a rotating block 28, a rotating shaft 29, a rubber block 30, a second gear 31, a rack 32, a barrel 33, a third vertical rod 34, a toothed ring 35, a stop block 36, a second sliding block 37, a third sliding rod 38, a protruding block 39, a fourth spring 40, a vertical pipe 41, a dust collector 42, a corrugated hose 43, a first dovetail groove 5-1, a second dovetail groove 5-2, a groove 29-1, a groove, And a chute 35-1.

Detailed Description

The invention will be described in further detail with reference to the following detailed description and accompanying drawings:

as shown in fig. 1 and 2, an outdoor wall polishing device for buildings comprises a box body 1, wherein a box door is hinged on the side wall of the box body 1 through hinges, a sealing strip is arranged between the box body 1 and the box door, a plurality of universal wheels are symmetrically and fixedly connected on the bottom surface of the box body 1, a controller 2 is fixedly connected on the side wall of the box body 1, a battery 3 is fixedly connected on the top surface of the box body 1, two electric telescopic rods 4 are symmetrically and fixedly connected on the top surface of the box body 1, the electric telescopic rods 4 are connected with the controller 2 through circuits, transverse plates 5 are fixedly connected on the top ends of the two electric telescopic rods 4, two first dovetail grooves 5-1 are symmetrically opened on the top surface of the transverse plate 5, a first dovetail block 6 is attached and slid in the first dovetail grooves 5-1, a first vertical rod 7 is fixedly connected on the top surface of the first dovetail block 6, and a U-shaped, the opening of the U-shaped plate 8 faces downwards, a three-phase asynchronous motor 9 is fixedly connected to the inner side wall of the U-shaped plate 8, the three-phase asynchronous motor 9 is connected with the controller 2 through a circuit, the output end of the three-phase asynchronous motor 9 is fixedly connected with a first barrel body 10, the side wall of the U-shaped plate 8 is fixedly connected with a second barrel body 11, the section of the second barrel body 11 is trapezoidal, one end of the second barrel body 11 is fixedly connected with a rubber ring 12, the other end of the second barrel body 11 penetrates into the U-shaped plate 8, a first sliding block 13 is attached and slid in the first barrel body 10, the section of the first sliding block 13 is square, the side wall of the first sliding block 13 is fixedly connected with a first sliding rod 14, the side wall of the first barrel body 10 is fixedly connected with a retaining ring 18, the other end of the first sliding rod 14 penetrates through the first barrel body 10 and penetrates through the retaining ring 18 to penetrate into the second barrel body 11 to be, the rubber ring 12 and one side wall of the box body 1 are positioned on the same vertical plane, the cross section of the first sliding rod 14 is circular, the first sliding rod 14 is attached and rotatably sleeved with two sealing rings 16, the two sealing rings 16 are respectively positioned on two sides of the second barrel body 11 and fixedly connected with the side wall of the second barrel body through glue, a first spring 17 is arranged in the first barrel body 10, one end of the first spring 17 is fixedly connected with the side wall of the first sliding block 13, the other end of the first spring 17 is fixedly connected with the inner side wall of the first barrel body 10, the first spring 17 is a compression spring, a circular ring 19 is fixedly sleeved on the first sliding rod 14, the circular ring 19 is arranged between the first barrel body 10 and the second barrel body 11, a first U-shaped plate 20 is attached to the bottom end of the circular ring 19, a second dovetail groove 5-2 is formed in the top surface of the transverse plate 5, a second dovetail block 22 is attached and slid in the second dovetail groove, a second spring 23 is arranged in the second dovetail groove 5-2, the second spring 23 is a compression spring, a second vertical rod 24 is fixedly connected to the top surface of the second dovetail block 22, the top end of the second vertical rod 24 is fixedly connected to the bottom surface of the first U-shaped plate 20, a second slide rod 25 is embedded in the second vertical rod 24, two ends of the second slide rod 25 penetrate through the second vertical rod 24 and are fixedly connected with a limiting block 26, the second slide rod 25 is slidably connected to the second vertical rod 24, the cross section of the second slide rod 25 is square, two third springs 27 are sleeved on the second slide rod 25, the two third springs 27 are located on two sides of the second vertical rod 24, the third springs 27 are compression springs, a rotating block 28 is embedded in the side wall of the U-shaped plate 8, the U-shaped plate 8 is rotatably connected to the rotating block 28, a rotating shaft 29 is fixedly connected to the side wall of the rotating block 28, and a rubber block 30 is fixedly connected to the other end of the rotating shaft 29 through glue, the side wall of the rubber block 30 is attached to the side wall of a limit block 26, a second gear 31 is fixedly sleeved on the rotating shaft 29, a rack 32 is fixedly connected to the top surface of the transverse plate 5, the second gear 31 is meshed with the rack 32, a cylinder 33 is rotatably sleeved on the rotating shaft 29, a third vertical rod 34 is fixedly connected to the side wall of the cylinder 33, the top end of the third vertical rod 34 is fixedly connected to the inner top surface of the U-shaped plate 8, a toothed ring 35 is sleeved on the rotating shaft 29, a plurality of sliding grooves 35-1 are annularly formed in the inner wall of the toothed ring 35, a stop block 36 is fixedly connected to the inner side of the sliding groove 35-1, a second sliding block 37 is arranged in the sliding groove 35-1, a third sliding rod 38 is fixedly connected to one end of the second sliding block 37, the other end of the third sliding rod 38 passes through the stop block 36 and is fixedly connected with, the lug 39 is attached to the groove 29-1, the stopper 36 is slidably connected with the third sliding rod 38, a fourth spring 40 is arranged in the sliding groove 35-1, the fourth spring 40 is a compression spring, one end of the fourth spring 40 is fixedly connected with the toothed ring 35, the other end of the fourth spring 40 is fixedly connected with the surface of the second slider 37, the bottom surface of the second barrel body 11 is fixedly communicated with a vertical pipe 41, the top surface of the box body 1 is fixedly connected with a dust collector 42, the output end of the dust collector 42 is communicated with the box body 1, the input end of the dust collector 42 is fixedly communicated with a corrugated hose 43 through glue, the other end of the corrugated hose 43 is fixedly communicated with the vertical pipe 41 through glue, and the controller 2 is electrically connected with the battery 3.

The second slide bar 25 is made of alloy steel material.

The model number of the three-phase asynchronous motor 9 is Y2-80M2-4S 150.

The working principle is as follows: when an outdoor wall needs to be polished, the device is pushed to the edge of the wall needing to be polished, the side wall of the box body 1 is attached to the wall, the rubber ring 12 is also attached to the wall, then the controller 2 is operated to enable the three-phase asynchronous motor 9 and the dust collector 42 to start working, the output end of the three-phase asynchronous motor 9 makes amplitude motion, the output end of the three-phase asynchronous motor 9 drives the first barrel body 10 to rotate, the first barrel body 10 drives the first sliding block 13 to rotate, the first sliding block 13 drives the first sliding rod 14 to rotate, the first sliding rod 14 drives the abrasive disc 15 to rotate, the wall is polished, meanwhile, the first barrel body 10 drives the first gear 21 to rotate, the first gear 21 drives the toothed ring 35 to rotate, the toothed ring 35 drives the stop block 36 to rotate, the stop block 36 drives the second sliding rod 38 to rotate, the second sliding rod 38 drives the lug 39 to rotate, the lug 39 drives the rotating shaft 29, the rotating shaft 29 drives the second gear 31 to rotate, the second gear 31 drives the rack 32 to rotate, so that the second gear 31 moves, the second gear 31 drives the rotating shaft 29 to move, the rotating shaft 29 drives the rotating block 28 to move, the rotating block 28 drives the U-shaped plate 8 to move, the U-shaped plate 8 drives the second barrel body 11 to move, the second barrel body 11 drives the first sliding rod 14 to move, the first sliding rod 14 drives the abrasive disk 15 to move, the U-shaped plate 8 drives the first vertical rod 7 to move, the first vertical rod 7 drives the first dovetail block 6 to slide in the first dovetail groove 5-1, horizontal moving and polishing of a wall body are achieved, when the abrasive disk 15 touches a bulge, the abrasive disk 15 contracts, the abrasive disk 15 drives the first sliding rod 14 to move, the first sliding rod 14 drives the first U-shaped plate 20 to move, the first U-shaped plate 20 drives the second vertical rod 24 to move, the second vertical rod 24 drives the second dovetail block 22 to slide in the second dovetail groove 5-2, the second dovetail block 22 extrudes the second spring 23, the second vertical rod 24 drives the third spring 27 to move, the third spring 27 drives the limiting block 26 to move, the limiting block 26 extrudes the rubber block 30, so that the rubber block 30 stops rotating, the rubber block 30 stops rotating to drive the rotating shaft 29 to stop rotating, the rotating shaft 29 drives the second gear 31 to stop rotating on the rack 32, so that the U-shaped plate 8 stops moving, the U-shaped plate 8 stops moving to indirectly stop moving the sanding disc 15, at the moment, the three-phase asynchronous motor 9 drives the first barrel body 10 to rotate, the first barrel body 10 drives the first gear 21 to rotate, the first gear 21 drives the toothed ring 35 to rotate, the toothed ring 35 repeatedly beats the lug 39, so that the lug 39 makes amplitude motion, the lug 39 drives the second sliding rod 38 to move, the second sliding rod 38 drives the second sliding block 37 to move, the second sliding block 37 repeatedly extrudes the fourth spring 40, so as to realize accurate positioning and sanding of the bulge, the ground dust enters the second barrel body 11 through the operation of the dust collector 42, then enters the vertical pipe 41, then enters the dust collector 42 through the corrugated hose 43, finally enters the box body 1, the box door hinged to the side wall of the box body 1 is opened discontinuously, the dust in the box body 1 is cleaned, after the protrusions are ground to be flat, the grinding disc 15 is attached to the wall surface again, the grinding disc 15 drives the first slide bar 14 to move, the first slide bar 14 drives the first U-shaped plate 20 to move, the first U-shaped plate 20 drives the second vertical bar 24 to move, the second vertical bar 24 drives the second dovetail block 22 to slide in the second dovetail groove 5-2, the second vertical bar 24 drives the third spring 27 to move, the third spring 27 drives the limiting block 26 to move, the limiting block 26 does not extrude the rubber block 30 any more, so that the three-phase asynchronous motor 9 indirectly drives the rotating shaft 29 to rotate, and the rotating shaft 29 indirectly drives the grinding disc 15 to move, the horizontal moving polishing is realized, after the horizontal polishing is finished, the operation controller 2 enables the electric telescopic rod 4 to work and the three-phase asynchronous motor 9 to stop working, the electric telescopic rod 4 drives the transverse plate 5, the transverse plate 5 drives the first dovetail block 6 to ascend, the first dovetail block 6 drives the first vertical rod 7 to ascend, the first vertical rod 7 drives the U-shaped plate 8 to ascend, the U-shaped plate 8 drives the second barrel body 11, the second barrel body 11 indirectly drives the polishing disc 15 to ascend, when the polishing disc 15 ascends to a proper position, the operation controller 2 enables the electric telescopic rod 4 to stop working, the operation controller 2 enables the three-phase asynchronous motor 9 to indirectly enable the polishing disc 15 to horizontally move and polish the wall surface, after the polishing is finished, the operation controller 2 enables the three-phase asynchronous motor 9 and the dust collector 42 to stop working, the sealing ring 16 ensures the sealing performance of the second barrel body 11 and effectively prevents dust from flying, improve the physical health of the staff and meet the use requirements of buildings.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an outdoor wall grinding device for building, includes box (1), box (1) lateral wall articulates through the hinge has the chamber door, be equipped with the sealing strip between box (1) and the chamber door, a plurality of universal wheels of box (1) bottom surface symmetry fixedly connected with, its characterized in that: the side wall of the box body (1) is fixedly connected with a controller (2), the top surface of the box body (1) is fixedly connected with a battery (3), the top surface of the box body (1) is symmetrically and fixedly connected with two electric telescopic rods (4), the electric telescopic rods (4) are connected with the controller (2) through circuits, the top ends of the two electric telescopic rods (4) are fixedly connected with a transverse plate (5), the top surface of the transverse plate (5) is symmetrically provided with two first dovetail grooves (5-1), a first dovetail block (6) is arranged in the first dovetail grooves (5-1) in a sliding manner in a fitting manner, the top surface of the first dovetail block (6) is fixedly connected with a first vertical rod (7), the top ends of the two first vertical rods (7) are fixedly connected with a U-shaped plate (8), the U-shaped plate (8) is provided with a downward opening, and a three-phase asynchronous motor (9, the three-phase asynchronous motor (9) is connected with the controller (2) through a circuit, the output end of the three-phase asynchronous motor (9) is fixedly connected with a first barrel body (10), the side wall of the U-shaped plate (8) is fixedly connected with a second barrel body (11), the cross section of the second barrel body (11) is trapezoidal, one end of the second barrel body (11) is fixedly connected with a rubber ring (12), the other end of the second barrel body (11) penetrates into the U-shaped plate (8), a first sliding block (13) is arranged in the first barrel body (10) in a sliding fit mode, the cross section of the first sliding block (13) is square, the side wall of the first sliding block (13) is fixedly connected with a first sliding rod (14), the side wall of the first barrel body (10) is fixedly connected with a baffle ring (18), and the other end of the first sliding rod (14) penetrates through the baffle ring (10) and penetrates into the second barrel body (11) to be fixedly connected, the grinding disc (15) and the rubber ring (12) are located on the same vertical plane, the rubber ring (12) and one side wall of the box body (1) are located on the same vertical plane, the cross section of the first sliding rod (14) is circular, the first sliding rod (14) is attached with two sealing rings (16) in a rotating mode, the two sealing rings (16) are located on two sides of the second barrel body (11) respectively and are fixedly connected with the side wall of the second barrel body through glue, a first spring (17) is arranged in the first barrel body (10), one end of the first spring (17) is fixedly connected with the side wall of the first sliding block (13), the other end of the first spring (17) is fixedly connected with the inner side wall of the first barrel body (10), the first spring (17) is a compression spring, a circular ring (19) is fixedly sleeved on the first sliding rod (14), and the circular ring (19) is arranged between the first barrel body (10) and the second barrel body (11), the bottom end of the circular ring (19) is provided with a first U-shaped plate (20) in a laminating manner, the top surface of the transverse plate (5) is provided with a second dovetail groove (5-2), a second dovetail block (22) is arranged in the second dovetail groove (5-2) in a laminating and sliding manner, a second spring (23) is arranged in the second dovetail groove (5-2), the second spring (23) is a compression spring, the top surface of the second dovetail block (22) is fixedly connected with a second vertical rod (24), the top end of the second vertical rod (24) is fixedly connected with the bottom surface of the first U-shaped plate (20), a second sliding rod (25) is embedded in the second vertical rod (24), two ends of the second sliding rod (25) penetrate through the second vertical rod (24) and are fixedly connected with a limiting block (26), the second sliding rod (25) is slidably connected with the second vertical rod (24), the cross section of the second sliding rod (25) is square, the second slide bar (25) is sleeved with two third springs (27), the two third springs (27) are positioned on two sides of a second vertical bar (24), the third springs (27) are compression springs, a rotating block (28) is embedded in the side wall of the U-shaped plate (8), the U-shaped plate (8) is rotatably connected with the rotating block (28), the side wall of the rotating block (28) is fixedly connected with a rotating shaft (29), the other end of the rotating shaft (29) penetrates into the U-shaped plate (8) and is fixedly connected with a rubber block (30) through glue, the side wall of the rubber block (30) is attached to the side wall of a limiting block (26), the rotating shaft (29) is fixedly sleeved with a second gear (31), the top surface of the transverse plate (5) is fixedly connected with a rack (32), the second gear (31) is meshed with the rack (32), and the rotating shaft (29) is attached to a rotating cylinder (33), the barrel (33) side wall is fixedly connected with a third vertical rod (34), the top end of the third vertical rod (34) is fixedly connected with the inner top surface of the U-shaped plate (8), the rotating shaft (29) is sleeved with a toothed ring (35) in a laminating manner, a plurality of sliding grooves (35-1) are annularly formed in the inner wall of the toothed ring (35), a stop block (36) is fixedly connected in the sliding grooves (35-1), a second sliding block (37) is arranged in the sliding grooves (35-1), one end of the second sliding block (37) is fixedly connected with a third sliding rod (38), the other end of the third sliding rod (38) penetrates through the stop block (36) and is fixedly connected with a convex block (39), a plurality of grooves (29-1) are annularly formed in the side wall of the rotating shaft (29), the convex block (39) is arranged in the grooves (29-1) in a laminating manner, and the stop block (36), be equipped with fourth spring (40) in spout (35-1), fourth spring (40) are compression spring, fourth spring (40) one end and ring gear (35) fixed connection, fourth spring (40) other end and second slider (37) fixed surface are connected, second staving (11) bottom surface fixed intercommunication has standpipe (41), box (1) top surface fixedly connected with dust catcher (42), dust catcher (42) output and box (1) intercommunication, dust catcher (42) input has corrugated hose (43) through the fixed intercommunication of glue, corrugated hose (43) other end passes through glue and standpipe (41) fixed intercommunication, controller (2) and battery (3) electric connection.

2. The outdoor wall grinding device for the building as claimed in claim 1, wherein: the second sliding rod (25) is made of alloy steel materials.

3. The outdoor wall grinding device for the building as claimed in claim 1, wherein: the model of the three-phase asynchronous motor (9) is Y2-80M2-4S 150.