CN112049451A

CN112049451A - Building wall decoration is with shovel grey equipment

Info

Publication number: CN112049451A
Application number: CN202010991306.3A
Authority: CN
Inventors: 朱岭
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-20
Filing date: 2020-09-20
Publication date: 2020-12-08

Abstract

The invention discloses a building wall decoration dust shoveling device, which relates to the technical field of wall dust shoveling devices and comprises a vehicle frame, wherein a pair of stand columns and a water tank are installed at the top of the vehicle frame, a placing groove and a sliding groove are formed in the top of each stand column, racks are arranged in the placing grooves, sliding rods are arranged in the sliding grooves, and a placing plate is installed at the top of each sliding rod. The scraper has the advantages that the structure is reasonable, the lifting part is arranged, so that the scraper can move up and down to carry out up-and-down reciprocating shoveling on the wall skin, the moving part is arranged to control the shoveling depth of the wall body on the wall body, the dust falling part is arranged, when the scraper shovels the wall skin, dust falling is carried out on generated dust, and the rotating column is arranged, so that the scraper holder and the scraper are vertically placed, the device for shoveling and shoveling the wall skin at the bottom of the wall body by the scraper is simple in structure and complete in function, the wall skin is not required to be shoveled manually, the working efficiency is improved, and the labor cost is reduced.

Description

Building wall decoration is with shovel grey equipment

Technical Field

The invention relates to the technical field of wall surface dust shoveling equipment, in particular to dust shoveling equipment for building wall surface decoration.

Background

The wall decoration can be divided into coating wallpaper wall cloth artificial decoration board stone materials, ceramics, glass, metal and the like. Can be used for decorating the inner and outer walls of common houses, shops, schools, storehouses, office buildings and the like. Its main function is to beautify the building. The wall decoration mainly aims at protecting the wall body, enhancing the firmness and the durability of the wall body, prolonging the service life of the wall body and improving the service function of the wall body. The heat preservation, heat insulation and sound insulation capabilities of the wall body are improved, the artistic effect of the building is improved, and the environment is beautified.

When decoration is carried out, old wall skins often need to be shoveled and paved again. The ash shoveling equipment is often adopted to shovel off the wall in the prior art, and in the process of shoveling the wall, the position relation between the bottom of the wall and the ground causes that part of the ash shoveling equipment can not shovel off the wall skin at the bottom of the wall, so that the problem of poor overall shoveling effect of the wall is caused, and therefore the ash shoveling equipment for decorating the building wall is urgently needed to solve the problem.

Disclosure of Invention

The invention aims to provide a dust shoveling device for building wall decoration, which can effectively shovel the wall at the bottom of a wall body, thereby improving the shoveling effect of the old wall.

In order to achieve the purpose, the invention provides the following technical scheme: a pair of upright columns and a water tank are installed at the top of the frame, a placing groove and a sliding groove are formed in the top of each pair of upright columns, a sliding rod is arranged in each pair of sliding grooves, a placing plate is installed at the top of each pair of sliding rods, a lifting part for driving the placing plate to lift is arranged at the top of the placing plate and connected with the lifting part for driving the placing plate to lift, a U-shaped plate is installed at the top of the placing plate and connected with a moving part for driving the U-shaped plate to move, a pair of moving grooves are formed in the top of the U-shaped plate, a moving part is arranged at the top of the U-shaped plate, a mounting plate is arranged on one side of the moving part, a rotating column is installed at the bottom of the mounting plate, a second motor and a pair of second supporting rods are installed at the top of the mounting plate, and rotating holes are, the rotation axis is installed to the second motor output, the one end of rotation axis runs through two in proper order rotatory hole, the scraper holder has been cup jointed on the rotation axis, a plurality of T shape spouts have been seted up to scraper holder lateral wall annular, and is a plurality of all be equipped with the scraper in the T shape spout, the top of frame is equipped with dust fall portion.

Borrow by above-mentioned structure, through setting up lift portion, make the scraper can reciprocate, thereby realize carrying out reciprocal shovel from top to bottom to the wall skin on the wall body, through setting up the removal portion, be convenient for control scraper to the distance between the wall body, thereby the degree of depth that the wall body was shoveled on the wall body is controlled, through setting up dust fall portion, when the scraper was shoveled the wall skin, carry out the dust fall to the dust that produces, shovel grey equipment simple structure, the function is complete, do not need the manual work to shovel the wall skin, and the work efficiency is improved, and the cost of labor has been reduced.

Preferably, the lifting portion includes a pair of racks 11 disposed in the placing grooves, a rotating gear engaged with the pair of racks, a rotating shaft mounted on the rotating gear, a driven gear sleeved on the rotating shaft, and a driving gear engaged with the driven gear, a first motor is mounted at the top of the placing plate, the driving gear is mounted at the output end of the first motor, a pair of first supporting rods is mounted at the top of the placing plate, a pair of rotating holes are formed in the side wall of one side of each first supporting rod, and one end of the rotating shaft sequentially penetrates through the two rotating holes.

Further, first motor output drives the driving gear and rotates, and the driving gear drives driven gear and rotates, and driven gear drives the axis of rotation and rotates, and the axis of rotation drives the rotating gear and rotates to realize that the lift portion reciprocates along the rack.

Preferably, the moving part comprises a pair of moving grooves formed in the top of the U-shaped plate, push rods respectively arranged in the pair of moving grooves, supporting plates arranged at one ends of the pair of push rods, connecting plates arranged at the tops of the pair of push rods, a baffle arranged at the top of the U-shaped plate, and a screw rod penetrating through the baffle and the connecting plates, wherein a threaded sleeve is sleeved on the connecting plates and is in threaded connection with the screw rod.

Further, the screw rod is rotated, so that the threaded sleeve moves, the connecting plate and the push rod slide along the direction of the moving groove, and the distance between the scraper and the wall body is adjusted.

Preferably, a turntable is installed at one end of the screw rod, and a handle is installed on the side wall of one side of the turntable.

Through setting up handle and carousel, be convenient for rotate the screw rod, the simple operation.

Preferably, a pair of threaded holes is formed in the side wall of one side of the mounting plate, a rotating hole and three mounting holes are formed in the side wall of one side of the supporting plate respectively, fastening bolts are arranged in the two mounting holes, one ends of the two fastening bolts are in threaded connection with the pair of threaded holes respectively, and one end of the rotating column is rotatably mounted in the rotating hole.

Further, through setting up the rotation post, fastening bolt for the mounting panel can rotate, thereby makes scraper holder, scraper become vertical placing, and fixes it with fastening bolt, thereby realizes that the scraper shovels the wall skin of wall body bottom, has improved the effect of shoveling and has shoveled the speed.

Preferably, the dust fall portion including set up in water pump in the water tank, install in the bellows of water pump play water end, install in the shower nozzle of bellows one end, the bellows is last to have cup jointed the fixed bolster, the bottom of fixed bolster is installed on the U-shaped board.

Furthermore, the clear water of water pump in with the water tank passes through bellows to shower nozzle, and the shower nozzle is even sprays the clear water to the top of scraper to realized the dust fall, avoided personnel to inhale the dust, caused the injury to the lung.

Preferably, the inner walls of the two sides of the T-shaped sliding groove are provided with limit grooves, the side walls of the two sides of the scraper are provided with mounting grooves, limit springs and limit balls are arranged in the mounting grooves, the two ends of each limit spring are fixedly connected with the limit balls and the scraper respectively, and the side wall of one side of each limit ball is located in the limit groove.

Further, through setting up spacing ball, T shape spout, use the damage when the scraper is long-time, when needing to be changed, the scraper slides, and spacing ball roll-off spacing groove can be renewed the scraper to elasticity through spacing spring makes spacing ball keep at the spacing inslot, compares with the scraper through the bolt fastening, and this kind of mode is convenient for more change the scraper, has improved operating speed.

Preferably, a plurality of support columns are installed at the bottom of the frame, and rollers are installed at the bottom ends of the support columns.

Through setting up the gyro wheel, be convenient for shovel grey equipment's removal.

Preferably, a pair of push handles is mounted on one side wall of the frame.

The invention has the technical effects and advantages that:

1. the scraper has a reasonable structure, the lifting part is arranged to enable the scraper to move up and down, so that the wall skin on the wall body can be shoveled up and down in a reciprocating manner, the moving part is arranged to facilitate the control of the distance between the scraper and the wall body, so that the shoveling depth of the wall body on the wall body can be controlled, the dust falling part is arranged to enable dust to fall on generated dust when the scraper shovels the wall skin, the rotating column is arranged to enable the scraper holder and the scraper to be vertically placed, so that the scraper shovels the wall skin at the bottom of the wall body, the shoveling effect and the shoveling speed are improved, the dust shoveling equipment is simple in structure and complete in function, the wall skin is not required to be shoveled manually, the working efficiency is improved, and the labor cost is reduced;

2. according to the scraper, the limiting ball and the T-shaped sliding groove are arranged, when the scraper is damaged after being used for a long time and needs to be replaced, the scraper slides, the limiting ball slides out of the limiting groove, the new scraper can be replaced, the limiting ball is kept in the limiting groove through the elastic force of the limiting spring, and compared with the mode that the scraper is fixed through the bolt, the scraper is more convenient to replace, and the working speed is improved.

Drawings

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

FIG. 1 is a first perspective view of a construction wall decoration ash removal device;

FIG. 2 is a schematic perspective view of a second perspective of a construction wall decoration ash shoveling apparatus;

FIG. 3 is a second perspective partially cut-away view of the construction of the ash shoveling apparatus for building wall decoration;

FIG. 4 is a schematic view of a vertical arrangement of the scraper holder of the ash shoveling device for building wall decoration;

FIG. 5 is an enlarged view of a portion of the ash shoveling apparatus for decorating building walls shown in FIG. 2;

FIG. 6 is an enlarged view of a portion of the ash shoveling apparatus for decorating building walls shown in FIG. 3;

FIG. 7 is an enlarged perspective view of the support plate;

FIG. 8 is a partially enlarged perspective view of the doctor blade holder;

FIG. 9 is a schematic view of a sectional, partially enlarged perspective structure of the scraper;

fig. 10 is an enlarged perspective view of the driving gear and the driven gear.

Reference numerals of the above figures: 1. a frame; 2. a column; 3. a slide bar; 4. a rotating gear; 5. placing the plate; 6. a scraper holder; 7. a water tank; 8. a support pillar; 9. a water pump; 10. a bellows; 11. a rack; 12. a U-shaped plate; 13. fixing a bracket; 14. a baffle plate; 15. a support plate; 16. a T-shaped chute; 17. a limiting groove; 18. a scraper; 19. a screw; 20. a connecting plate; 21. mounting a plate; 22. a push rod; 23. a first motor; 24. a driving gear; 25. a driven gear; 26. a spray head; 27. a second motor; 28. fastening a bolt; 29. rotating the column; 30. a limiting spring; 31. a limiting ball; 32. a first support bar; 33. a second support bar.

Detailed Description

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

Please refer to FIGS. 1-9

Example (b): the ash shoveling device for building wall decoration as shown in fig. 1-4 comprises a frame 1, wherein a pair of upright posts 2 and a water tank 7 are mounted at the top of the frame 1, and the frame 1 can be a steel plate in the prior art. The upright 2, the water tank 7 and the frame 1 may be connected by any means in the prior art, such as welding.

Specifically, the method comprises the following steps:

the top of a pair of stand 2 has all been seted up standing groove and spout, all is equipped with slide bar 3 in a pair of spout, and it needs to explain here that slide bar 3 and spout looks adaptation, slide bar 3 can slide in the spout.

A placing plate 5 is installed at the top of the pair of sliding rods 3, and the placing plate 5 and the sliding rods 3 are connected in a welding mode in the prior art. The resting plate 5 may be a flat plate structure of the prior art, such as a steel plate.

The top of placing board 5 is equipped with lift portion, and the top of placing board 5 installs U-shaped board 12, and lift portion is located the one side that U-shaped board 12 is close to each other, and U-shaped board 12 can be prior art's welded connection mode with placing board 5.

The top of the U-shaped plate 12 is provided with a pair of moving grooves, the top of the U-shaped plate 12 is provided with a moving part, one side of the moving part is provided with a mounting plate 21, the bottom of the mounting plate 21 is provided with a rotating column 29, here, it should be noted that the side wall of the rotating column 29 is provided with a plane groove, and the mounting plate 21 is placed on the plane groove and connected by welding in the prior art.

Referring to fig. 5, a second motor 27 and a pair of second support rods 33 are mounted on the top of the mounting plate 21, a rotation hole is formed in a side wall of each of the pair of second support rods 33, a rotation shaft is mounted at an output end of the second motor 27, and one end of the rotation shaft sequentially penetrates through the two rotation holes. The second motor 27 may be any one of the motor types known in the art, such as type: 5IK120 RGN.

The rotating shaft is sleeved with a scraper retainer 6, a plurality of T-shaped sliding grooves 16 are annularly formed in the side wall of the scraper retainer 6, scrapers 18 are arranged in the T-shaped sliding grooves 16, and a dust settling part is arranged at the top of the frame 1.

Borrow by above-mentioned structure, through setting up lift portion, make scraper 18 can reciprocate, thereby realize carrying out reciprocal shovel from top to bottom to the wab on the wall body, through setting up the removal portion, be convenient for control scraper 18 to the distance between the wall body, thereby control the degree of depth of shoveling the wall body on the wall body, through setting up dust fall portion, when scraper 18 shovels the wab, carry out the dust fall to the dust that produces, through setting up rotation post 29, make scraper holder 6, scraper 18 becomes vertical placing, thereby realize scraper 18 shovels the wab of wall body bottom, effect and the speed of shoveling have been improved, it is simple to shovel grey equipment structure, the function is complete, do not need the manual work to shovel the wab, and the work efficiency is improved, and the labor cost is reduced.

As a preferred embodiment in this embodiment, as shown in fig. 1 and 10, the lifting unit includes a rack 11 disposed in a pair of the placement grooves, a rotation gear 4 engaged with the pair of racks 11, a rotation shaft mounted on the pair of rotation gears 4, a driven gear 25 sleeved on the rotation shaft, and a driving gear 24 engaged with the driven gear 25, a first motor 23 is mounted on the top of the placement plate 5, the driving gear 24 is mounted on the output end of the first motor 23, a pair of first support rods 32 is mounted on the top of the placement plate 5, rotation holes are opened on one side wall of each of the pair of first support rods 32, one end of the rotation shaft sequentially penetrates through the two rotation holes, and the first motor 23 may be any motor type in the prior art, such as a type: 5IK120 RGN. The output end of the first motor 23 drives the driving gear 24 to rotate, the driving gear 24 drives the driven gear 25 to rotate, the driven gear 25 drives the rotating shaft to rotate, and the rotating shaft drives the rotating gear 4 to rotate, so that the lifting part moves up and down along the rack 11.

As a preferred embodiment in this embodiment, as shown in fig. 3 and 6, the moving part includes a pair of moving grooves formed in the top of the U-shaped plate 12, push rods 22 respectively provided in the pair of moving grooves, a support plate 15 attached to one ends of the pair of push rods 22, a connecting plate 20 attached to the top of the pair of push rods 22, a baffle 14 attached to the top of the U-shaped plate 12, and a screw rod 19 penetrating through the baffle 14 and the connecting plate 20, wherein a threaded sleeve is sleeved on the connecting plate 20, and the threaded sleeve is screwed on the screw rod 19. Turning the screw rod 19, the screw rod 19 moves the threaded sleeve, so that the connecting plate 20 and the push rod 22 slide along the direction of the moving groove, and the distance between the scraper 18 and the wall is adjusted.

In this embodiment, a turntable is mounted at one end of the screw rod 19, and a handle is mounted on one side wall of the turntable. Through setting up handle and carousel, be convenient for rotate screw rod 19, the simple operation.

As a preferred embodiment in this embodiment, the dust settling portion includes a water pump 9 disposed in the water tank 7, a corrugated pipe 10 mounted at a water outlet end of the water pump 9, and a nozzle 26 mounted at one end of the corrugated pipe 10, a fixing bracket 13 is sleeved on the corrugated pipe 10, and a bottom of the fixing bracket 13 is mounted on the U-shaped plate 12.

The clear water in the water tank 7 is sprayed to the spray head 26 through the corrugated pipe 10 by the water pump 9, and the clear water is uniformly sprayed to the upper part of the scraper 18 by the spray head 26, so that the dust fall is realized, and the harm to the lung caused by the dust sucked by personnel is avoided.

In the present embodiment, referring to fig. 7, a pair of threaded holes are opened on a side wall of the mounting plate 21, a rotating hole and three mounting holes are opened on a side wall of the support plate 15, wherein fastening bolts 28 are respectively disposed in two of the mounting holes, one end of each of the two fastening bolts 28 is screwed into one of the pair of threaded holes, and one end of the rotating column 29 is rotatably mounted in the rotating hole. Through setting up rotation post 29, fastening bolt 28 for mounting panel 21 can rotate, thereby makes scraper holder 6, scraper 18 become vertical placing, and fixes it with fastening bolt 28, thereby realizes that scraper 18 shovels the wall skin of wall body bottom, has improved the effect of shoveling and has shoveled the speed.

As another preferred implementation manner in this embodiment, referring to fig. 8 and 9, the inner walls of the T-shaped sliding groove 16 are both provided with a limiting groove 17, the side walls of the scraper 18 are both provided with a mounting groove, a limiting spring 30 and a limiting ball 31 are disposed in the mounting groove, two ends of the limiting spring 30 are respectively fixedly connected with the limiting ball 31 and the scraper 18, and one side wall of the limiting ball 31 is located in the limiting groove 17. Through setting up spacing ball 31, T shape spout 16, use the damage for a long time when scraper 18, when needing to be changed, slip scraper 18, spacing ball 31 roll-off spacing groove 17, can change new scraper 18 to elasticity through spacing spring 30 makes spacing ball 31 keep in spacing groove 17, compares with through bolt fastening scraper 18, and this kind of mode is convenient for more change scraper 18, has improved operating speed.

In this embodiment, a plurality of support columns 8 are installed at the bottom of the frame 1, and rollers are installed at the bottom ends of the support columns 8.

In this embodiment, a pair of push handles are mounted on one side wall of the frame 1.

The application constructs the wall decoration with the theory of operation of shovel grey equipment:

moving the ash shoveling equipment to the side of a wall body needing ash shoveling through a roller, rotating a screw rod 19, enabling the screw rod 19 to enable a threaded sleeve to move, enabling a connecting plate 20 and a push rod 22 to slide along the direction of a moving groove, and adjusting the distance between a scraper 18 and the wall body; the second motor 27 is started, the second motor 27 drives the rotating shaft to rotate, the rotating shaft drives the scraper retainer 6 to rotate, and the scraper retainer 6 drives the scraper 18 to rotate, so that the wall body is subjected to ash shoveling; the first motor 23 is started, the output end of the first motor 23 drives the driving gear 24 to rotate, the driving gear 24 drives the driven gear 25 to rotate, the driven gear 25 drives the rotating shaft to rotate, and the rotating shaft drives the rotating gear 4 to rotate, so that the lifting part can move up and down along the rack 11, and the scraper 18 can scrape ash downwards on the wall; the water pump 9 sprays clean water in the water tank 7 to the spray head 26 through the corrugated pipe 10, and the spray head 26 uniformly sprays the clean water above the scraper 18, so that dust fall is realized, and the harm to the lung caused by dust suction of personnel is avoided; the mounting plate 21 can rotate by arranging the rotating column 29 and the fastening bolt 28, so that the scraper retainer 6 and the scraper 18 are vertically placed and fixed by the fastening bolt 28, the scraper 18 can be used for scraping off the wall skin at the bottom of the wall body, and the scraping effect and the scraping speed are improved; when the scraper 18 is damaged after being used for a long time and needs to be replaced, the scraper 18 can be replaced by sliding the scraper 18 and the limiting ball 31 to slide out of the limiting groove 17, the limiting ball 31 is kept in the limiting groove 17 through the elastic force of the limiting spring 30, and compared with the scraper 18 fixed through a bolt, the scraper 18 is more convenient to replace by the mode, and the working speed is increased.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a building wall decoration is with shovel grey equipment, includes frame (1), its characterized in that, stand water tank (7), a pair of stand (2) are installed at the top of frame (1), and is a pair of standing groove and spout have all been seted up at the top of stand (2), be equipped with slide bar (3) in the spout, board (5) are placed to the top of slide bar (3) is installed, place board (5) and drive the lift portion of placing board (5) lift links to each other, U-shaped board (12) are installed at the top of placing board (5), U-shaped board (12) and drive the removal portion that U-shaped board (12) removed links to each other, a pair of shifting chute has been seted up at U-shaped board (12) top, one side of removal portion is equipped with mounting panel (21), rotation post (29) are installed to the bottom of mounting panel (21), second motor (27) are installed at the top of mounting panel (21), A pair of second bracing piece (33), it is a pair of rotatory hole has all been seted up to one side lateral wall of second bracing piece (33), the rotation axis is installed to second motor (27) output, the tip of rotation axis runs through two in proper order rotatory hole, scraper holder (6) have been cup jointed on the rotation axis, a plurality of T shape spout (16) have been seted up to scraper holder (6) lateral wall annular, and is a plurality of all be equipped with scraper (18) in T shape spout (16), the top of frame (1) is equipped with the dust fall portion.

2. A dusting apparatus for building wall decoration according to claim 1, the lifting part comprises racks (11) arranged in the pair of placing grooves, rotating gears (4) meshed with the racks (11), rotating shafts arranged on the rotating gears (4), driven gears (25) sleeved on the rotating shafts, and driving gears (24) meshed with the driven gears (25), a first motor (23) is arranged at the top of the placing plate (5), the driving gear (24) is arranged on the output end of the first motor (23), a pair of first supporting rods (32) is installed at the top of the placing plate (5), rotating holes are formed in the side wall of one side of each first supporting rod (32), and one end of each rotating shaft penetrates through the two rotating holes in sequence.

3. The building wall decoration dust shoveling device according to claim 1, wherein the moving part comprises push rods (22) arranged in a pair of moving grooves, support plates (15) arranged at one ends of the push rods (22), connecting plates (20) arranged at the tops of the push rods (22), baffles (14) arranged at the tops of the U-shaped plates (12), and screw rods (19) penetrating through the baffles (14) and the connecting plates (20), and threaded sleeves are sleeved on the connecting plates (20) and are in threaded connection with the screw rods (19).

4. A dust shoveling apparatus for building wall decoration according to claim 3, wherein a turntable is mounted at one end of said screw (19), and a handle is mounted on a side wall of said turntable.

5. The building wall decoration dust shoveling device according to claim 3, wherein a pair of threaded holes are formed in one side wall of the mounting plate (21), a rotary hole and three mounting holes are formed in one side wall of the support plate (15), a fastening bolt (28) is arranged in each of two mounting holes, one end of each of the two fastening bolts (28) is screwed in the corresponding pair of threaded holes, and one end of each rotary column (29) is rotatably mounted in the rotary hole.

6. The building wall decoration dust shoveling device according to claim 1, wherein the dust falling portion comprises a water pump (9) arranged in the water tank 7, a corrugated pipe (10) installed at a water outlet end of the water pump (9), and a spray head (26) installed at one end of the corrugated pipe (10), a fixing support (13) is sleeved on the corrugated pipe (10), and the bottom of the fixing support (13) is installed on the U-shaped plate (12).

7. The building wall decoration dust shoveling device according to claim 1, wherein the inner walls of the two sides of the T-shaped sliding groove (16) are respectively provided with a limiting groove (17), the side walls of the two sides of the scraper (18) are respectively provided with a mounting groove, a limiting spring (30) and a limiting ball (31) are arranged in the mounting groove, two ends of the limiting spring (30) are respectively fixedly connected with the limiting ball (31) and the scraper (18), and one side wall of the limiting ball (31) is located in the limiting groove (17).

8. A dust shoveling device for building wall decoration according to claim 1, wherein a plurality of supporting columns (8) are installed at the bottom of the vehicle frame (1), and rollers are installed at the bottom ends of the supporting columns (8).

9. A dust shoveling apparatus for building wall decoration according to claim 1, wherein a pair of pushing hands is installed on one side wall of the frame (1).