Wall surface slicking device for house building engineering construction

Abstract

The utility model discloses a wall surface slicking device for house building engineering construction, which comprises an electric trolley and a support frame, the top end of the electric trolley is provided with the support frame, the outer wall of the support frame is provided with a connecting table, the top end of the connecting table is provided with a support box, the top end of the support box is provided with a support arm, and the support arm is connected with the electric trolley. A movable arm is arranged at the top end of the supporting arm, a first movable shaft is installed at the end, close to the supporting arm, of the movable arm, the movable arm is movably connected with the supporting arm through the first movable shaft, a sliding arm is slidably installed in the movable arm, and the sliding arm extends out of the movable arm; a special-shaped frame is installed at the end, away from the movable arm, of the sliding arm. According to the leveling device, convenient height adjustment type leveling on a wall surface is achieved, angle adjustment type leveling is facilitated, circumferential rotation leveling on an arc-shaped wall surface is facilitated, the rotation adjustment range is widened, and the rotation flexibility of the leveling device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of scraping devices, in particular to a wall scraping device for building construction projects. Background Art

[0002] When renovating a house, the first thing to do is to scrape the wall. Wall scraping is a method of interior wall decoration. By applying putty on the wall, the wall surface is ensured to be flat and smooth. The steps of wall scraping usually include cleaning the wall. First, clean the wall to remove dust and impurities, ensure that the wall is clean and free of foreign matter, repair cracks and holes, and use caulking plaster to repair cracks and holes in the wall to ensure the flatness of the wall. Scraping usually requires applying multiple coats of putty. After each coat is dry, use a scraping device to scrape it flat to ensure a smooth wall surface.

[0003] For example, a wall scraping device for house construction disclosed in the authorization announcement number CN214995698U includes a movable base, which is rectangular in shape and has rollers on its four sides. A control frame is provided at the front end of the movable base, two sliding rods are provided in the middle of the control frame, and fitting blocks are provided at the upper and lower positions of the front end of the control frame. Baffles are provided on both sides of the upper front end of the card table to prevent fine dust from being blown out when the scraper is scraping the wall. The blocks on both sides of the card table can reduce the degree of dust blowing out.

[0004] Although it solves the problem that most of the existing wall painting processes are done by manual scraping, resulting in uneven walls and low efficiency of manual scraping, and dust will enter the respiratory tract of workers in close proximity, which poses a risk, it does not solve the problem that the existing scraping device is not conducive to convenient height adjustment of the wall scraping, is not convenient for angle adjustment scraping, and is not convenient for circular rotation scraping of curved walls, which greatly affects the range of rotation adjustment and the flexibility of rotation of the scraping device. Utility Model Content

[0005] The purpose of the utility model is to provide a wall scraping device for use in the construction of housing construction projects, so as to solve the problem in the above-mentioned background technology that the scraping device is not convenient for convenient height-adjustable scraping of walls, is not convenient for angle-adjustable scraping, and is not convenient for circular rotation scraping of curved walls, which affects the range of rotation adjustment and the flexibility of rotation of the scraping device.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wall scraping device for building construction engineering, comprising an electric trolley and a support frame, the top of the electric trolley is equipped with a support frame, the outer wall of the support frame is provided with a connecting platform, the top of the connecting platform is equipped with a support box, the top of the support box is provided with a support arm, the top of the support arm is provided with a movable arm, the end of the movable arm close to the support arm is equipped with a first movable shaft, and the movable arm is movably connected to the support arm through the first movable shaft, the interior of the movable arm is slidably equipped with a sliding arm, and the sliding arm extends to the outside of the movable arm, the sliding A special-shaped frame is installed at one end of the movable arm away from the movable arm, and a connecting frame is provided on the outside of the special-shaped frame, and an adapter sleeve is installed on the outer wall of the connecting frame. A second movable shaft is movably installed inside the special-shaped frame on one side of the adapter sleeve, and the adapter sleeve is connected to the second movable shaft, an arc-shaped scraper is provided on the outer wall of the connecting frame away from the adapter sleeve, springs are symmetrically installed on the outer wall of the connecting frame on one side of the arc-shaped scraper, and all springs are connected to the arc-shaped scraper, a first motor is installed inside the support box, and a rotating shaft is movably installed inside the support box on one side of the first motor, and the rotating shaft extends to the outside of the support box and is connected to the support arm.

[0007] Preferably, a worm is installed at the output end of the first motor, a worm wheel is sleeved on the surface of the rotating shaft on one side of the worm, and the worm and the worm wheel are meshed with each other.

[0008] Preferably, a first electric push rod is movably installed inside the support arm, and the first electric push rod extends to the outside of the support arm, a connecting shaft is installed at one end of the first electric push rod close to the movable arm, and the first electric push rod is movably connected to the movable arm through the connecting shaft, a second electric push rod is installed at the top of the movable arm, and the second electric push rod is connected to the special-shaped frame.

[0009] Preferably, a rocker arm is installed on the outer wall of the second movable shaft, a third electric push rod is movably installed on the bottom end of the special-shaped frame on one side of the rocker arm, and the output end of the third electric push rod is connected to the rocker arm.

[0010] Preferably, a second motor is installed on the top of the electric trolley on one side of the support frame, and a pulley assembly is installed on the output end of the second motor.

[0011] Preferably, a first support shaft is movably mounted inside the support frame on one side of the pulley assembly, and the first support shaft extends to the outside of the support frame, and the pulley assembly extends to the surface of the first support shaft.

[0012] Preferably, a second support shaft is movably mounted on the top of the support frame above the first support shaft, lower support wheels are symmetrically mounted on the surface of the first support shaft, and support belts are provided on the surfaces of the lower support wheels.

[0013] Preferably, the surface of the second support shaft on one side of the support belt is fitted with an upper support wheel, and the support belts extend to the surface of the upper support wheel.

[0014] Preferably, a sliding frame is slidably installed inside the supporting frame on one side of the supporting belt, and the sliding frame is fixedly connected to the supporting belt, and the connecting platform is connected to the sliding frame.

[0015] Preferably, a control panel is installed on the outer wall of the electric trolley, and the output end of the control panel is electrically connected to the input ends of the electric trolley, the first motor, the first electric push rod, the second electric push rod, the third electric push rod and the second motor.

[0016] Compared with the prior art, the beneficial effects of the present invention are: the scraping device not only realizes convenient height-adjustable scraping of the wall surface, facilitates angle-adjustable scraping, and facilitates circular rotation scraping of curved wall surfaces, but also increases the range of rotation adjustment and improves the rotation flexibility of the scraping device;

[0017] (1) The second motor drives the pulley assembly to move, the pulley assembly drives the first support shaft to rotate, the first support shaft drives the lower support wheel to rotate, the lower support wheel drives the support belt to move, the support belt moves on the surface of the upper support wheel and the lower support wheel, the support belt drives the sliding frame to adjust the height, the sliding frame drives the connecting table to adjust the height, the connecting table drives the support box to adjust the height, the support box drives the support arm to adjust the height, the support arm drives the movable arm to adjust the height, the movable arm drives the special-shaped frame through the sliding arm to adjust the height, the special-shaped frame drives the adapter sleeve to adjust the height, the adapter sleeve drives the connecting frame to adjust the height, under the elastic support of the spring, the connecting frame drives the arc scraper to perform height-adjustable scraping on the wall, and the first electric push rod drives the movable arm through the connecting shaft to adjust the height. The movable arm rotates, and the movable arm rotates with the first movable axis as the axis, and the movable arm drives the sliding arm to rotate, and the sliding arm drives the special-shaped frame to rotate, and the special-shaped frame drives the adapter sleeve to rotate, and the adapter sleeve drives the connecting frame to rotate, and the connecting frame drives the arc scraper to rotate, so as to facilitate the arc scraper to perform angle-adjustable scraping, and the second electric push rod drives the special-shaped frame to move, and the special-shaped frame drives the sliding arm to move horizontally, so as to make the sliding arm slide out from the inside of the movable arm, and the special-shaped frame drives the adapter sleeve to move horizontally, and the adapter sleeve drives the connecting frame to move horizontally, and the connecting frame drives the arc scraper to move horizontally, so as to facilitate the arc scraper to perform horizontal movable scraping, thereby realizing convenient height-adjustable scraping of the wall by the scraping device, facilitating angle-adjustable scraping, facilitating horizontal movement adjustment, and improving the convenience of scraping by the scraping device;

[0018] (2) The worm is driven to rotate by the first motor, which drives the worm gear to rotate, which drives the rotating shaft to rotate, which drives the supporting arm to rotate, which drives the movable arm to rotate, which drives the sliding arm to rotate, which drives the special-shaped frame to rotate, which drives the adapter sleeve to rotate, which drives the connecting frame to rotate, which drives the arc scraper to rotate, so that the arc scraper can perform rotational scraping of the wall surface. The rocker arm is driven to rotate by the third electric push rod, which drives the second movable shaft to rotate, which drives the adapter sleeve to rotate, which drives the connecting frame to rotate, which drives the arc scraper to rotate, so that the arc scraper can perform up and down adjustment scraping, thus realizing convenient up and down adjustment scraping of the scraping device, facilitating circular rotation scraping of the curved wall surface, increasing the range of rotation adjustment, and improving the rotation flexibility of the scraping device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the three-dimensional structure of the connecting platform of the utility model;

[0021] Figure 3 This is a front view structural diagram of the utility model;

[0022] Figure 4 This is a schematic diagram of the front cross-sectional structure of the support box of the present invention;

[0023] Figure 5 This is a schematic diagram of the rear cross-sectional structure of the support frame of the present invention;

[0024] Figure 6 It is a three-dimensional enlarged structural schematic diagram of the movable arm of the utility model.

[0025] In the figure: 1. electric trolley; 2. support frame; 3. connecting platform; 4. support box; 5. support arm; 6. movable arm; 7. sliding arm; 8. special-shaped frame; 9. adapter sleeve; 10. connecting frame; 11. arc scraper; 12. spring; 13. first motor; 14. worm; 15. worm gear; 16. rotating shaft; 17. first electric push rod; 18. first movable shaft; 19. connecting shaft; 20. second electric push rod; 21. rocker arm; 22. third electric push rod; 23. second movable shaft; 24. second motor; 25. first support shaft; 26. pulley assembly; 27. second support shaft; 28. support belt; 29. ​​sliding frame; 30. lower support wheel; 31. upper support wheel; 32. control panel. DETAILED DESCRIPTION

[0026] In order to further illustrate the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the following is a detailed description of the specific implementation method, structure, characteristics and effects of the present invention in combination with the accompanying drawings and preferred embodiments.

[0027] See also Figure 1-6 The utility model provides an embodiment: a wall scraping device for building construction engineering, comprising an electric trolley 1 and a support frame 2, the top of the electric trolley 1 is equipped with a support frame 2, the outer wall of the support frame 2 is provided with a connecting platform 3, the top of the connecting platform 3 is equipped with a support box 4, the top of the support box 4 is provided with a supporting arm 5, the top of the support arm 5 is provided with a movable arm 6, the end of the movable arm 6 close to the support arm 5 is equipped with a first movable shaft 18, and the movable arm 6 is movably connected to the support arm 5 through the first movable shaft 18, the interior of the movable arm 6 is slidably equipped with a sliding arm 7, and the sliding arm 7 extends to the outside of the movable arm 6, the end of the sliding arm 7 away from the movable arm 6 is equipped with a special-shaped frame 8, the outside of the special-shaped frame 8 is provided with a connecting frame 10, an adapter sleeve 9 is installed on the outer wall of the connecting frame 10, and a second movable shaft 23 is movably installed inside the special-shaped frame 8 on one side of the adapter sleeve 9, and the adapter sleeve 9 is connected to the second movable shaft 23 The outer wall of the connecting frame 10 away from the adapter sleeve 9 is provided with an arc-shaped scraper 11, and the outer wall of the connecting frame 10 on one side of the arc-shaped scraper 11 is symmetrically installed with a spring 12, and the springs 12 are all connected to the arc-shaped scraper 11. A first motor 13 is installed inside the support box 4, and the first motor 13 plays a role in power output. A rotating shaft 16 is movably installed inside the support box 4 on one side of the first motor 13, and the rotating shaft 16 extends to the outside of the support box 4 and is connected to the support arm 5. A worm 14 is installed at the output end of the first motor 13, and a worm gear 15 is set on the surface of the rotating shaft 16 on one side of the worm 14, and the worm 14 and the worm gear 15 are meshed with each other. A rocker arm 21 is installed on the outer wall of the second movable shaft 23, and a third electric push rod 22 is movably installed at the bottom end of the special-shaped frame 8 on one side of the rocker arm 21. The third electric push rod 22 plays a role in power output, and the output end of the third electric push rod 22 is connected to the rocker arm 21;

[0028] When in use, the first motor 13 is turned on by operating the control panel 32. Under the support of the support box 4, the first motor 13 drives the worm 14 to rotate. Under the meshing action of the worm 14 and the worm wheel 15, the worm 14 drives the worm wheel 15 to rotate, and the worm wheel 15 drives the rotating shaft 16 to rotate. The rotating shaft 16 drives the supporting arm 5 to rotate, and the supporting arm 5 drives the movable arm 6 to rotate, and the movable arm 6 drives the sliding arm 7 to rotate, and the sliding arm 7 drives the special-shaped frame 8 to rotate, and the special-shaped frame 8 drives the adapter sleeve 9 to rotate, and the adapter sleeve 9 drives the connecting frame 10 to rotate, and the connecting frame 10 drives the arc scraper 11 The arc scraper 11 is rotated to facilitate the rotational scraping of the wall by the curved scraper 11. The third electric push rod 22 is turned on by the operation control panel 32. The third electric push rod 22 drives the rocker arm 21 to rotate. The rocker arm 21 drives the second movable shaft 23 to rotate. The second movable shaft 23 drives the adapter sleeve 9 to rotate. The adapter sleeve 9 drives the connecting frame 10 to rotate. The connecting frame 10 drives the curved scraper 11 to rotate, so as to facilitate the curved scraper 11 to perform the upward and downward adjustment scraping. The scraping device is conveniently adjusted upward and downward, which facilitates the circular rotation scraping of the curved wall and improves the rotation flexibility of the scraping device.

[0029] The support arm 5 is movably installed with a first electric push rod 17 inside, which plays the role of power output, and the first electric push rod 17 extends to the outside of the support arm 5, and the first electric push rod 17 is installed with a connecting shaft 19 at one end close to the movable arm 6, and the first electric push rod 17 is movably connected to the movable arm 6 through the connecting shaft 19, and a second electric push rod 20 is installed at the top of the movable arm 6, which plays the role of power output, and the second electric push rod 20 is connected to the special-shaped frame 8, and a second motor 24 is installed at the top of the electric trolley 1 on one side of the support frame 2, and the second motor 24 plays the role of power output, and a pulley assembly 26 is installed at the output end of the second motor 24, and a first support shaft 25 is movably installed inside the support frame 2 on one side of the pulley assembly 26, and the first support shaft 25 extends to the outside of the support frame 2, and the pulley assembly 26 extends to the surface of the first support shaft 25, and a second support shaft 27 is movably installed on the top of the support frame 2 above the first support shaft 25. Lower support wheels 30 are symmetrically installed on the surface of the first support shaft 25, and the surfaces of the lower support wheels 30 are all provided with support belts 28. The surfaces of the second support shaft 27 on one side of the support belt 28 are all set with upper support wheels 31, and the support belts 28 all extend to the surface of the upper support wheels 31. A sliding frame 29 is slidably installed inside the support frame 2 on one side of the support belt 28, and the sliding frames 29 are all fixedly connected to the support belts 28, and the connecting platform 3 is connected to the sliding frame 29. A control panel 32 is installed on the outer wall of the electric trolley 1, and the output end of the control panel 32 is electrically connected to the input end of the electric trolley 1, the first motor 13, the first electric push rod 17, the second electric push rod 20, the third electric push rod 22, and the second motor 24;

[0030] When in use, the electric trolley 1 is turned on by operating the control panel 32, so that the electric trolley 1 is moved as a whole to the side of the wall of the house that needs to be constructed, and the second motor 24 is turned on by operating the control panel 32. Under the support of the electric trolley 1, the second motor 24 drives the pulley assembly 26 to move, and the pulley assembly 26 drives the first support shaft 25 to rotate, and the first support shaft 25 drives the lower support wheel 30 to rotate, and the lower support wheel 30 drives the support belt 28 to move. Under the cooperation of the upper support wheel 31 and the movable support of the second support shaft 27, the support belt 28 is moved on the surfaces of the upper support wheel 31 and the lower support wheel 30. The sliding frame 29 and the supporting frame 2 are supported by the supporting belt 28, and the sliding frame 29 is driven by the supporting belt 28 to adjust the height. The sliding frame 29 drives the connecting platform 3 to adjust the height. The connecting platform 3 drives the supporting box 4 to adjust the height. The supporting box 4 drives the supporting arm 5 to adjust the height. The supporting arm 5 drives the movable arm 6 to adjust the height. The movable arm 6 drives the special-shaped frame 8 through the sliding arm 7 to adjust the height. The special-shaped frame 8 drives the adapter sleeve 9 to adjust the height. The adapter sleeve 9 drives the connecting frame 10 to adjust the height. Under the elastic support of the spring 12, the connecting frame 10 drives the arc scraper 11 to adjust the height of the wall. For angle-adjustable scraping, the first electric push rod 17 is turned on by operating the control panel 32. Under the support of the support arm 5, the first electric push rod 17 drives the movable arm 6 to rotate through the connecting shaft 19. The movable arm 6 rotates with the first movable shaft 18 as the axis. The movable arm 6 drives the sliding arm 7 to rotate, the sliding arm 7 drives the special-shaped frame 8 to rotate, the special-shaped frame 8 drives the adapter sleeve 9 to rotate, the adapter sleeve 9 drives the connecting frame 10 to rotate, and the connecting frame 10 drives the arc scraper 11 to rotate, so as to facilitate the angle-adjustable scraping of the arc scraper 11. The second electric push rod 20 is turned on by operating the control panel 32. The second electric push rod 20 is turned on by the second electric push rod 20 drives the special-shaped frame 8 to move. Under the sliding support of the sliding arm 7 and the movable arm 6, the special-shaped frame 8 drives the sliding arm 7 to move horizontally, so that the sliding arm 7 slides out from the inside of the movable arm 6, and the special-shaped frame 8 drives the adapter sleeve 9 to move horizontally, and the adapter sleeve 9 drives the connecting frame 10 to move horizontally, and the connecting frame 10 drives the arc scraper 11 to move horizontally, so as to facilitate the arc scraper 11 to perform horizontal movement scraping, thereby realizing the convenient height adjustment scraping of the wall by the scraping device, facilitating angle adjustment scraping, facilitating horizontal movement adjustment, increasing the range of rotation adjustment, and improving the convenience of scraping by the scraping device.

[0031] Working principle: When in use, an external power supply is connected, and the second motor 24 drives the pulley assembly 26 to move, which drives the first support shaft 25 to rotate, and the first support shaft 25 drives the lower support wheel 30 to rotate, and the lower support wheel 30 drives the support belt 28 to move, and the support belt 28 moves on the surface of the upper support wheel 31 and the lower support wheel 30, and the support belt 28 drives the sliding frame 29 to adjust the height, and the sliding frame 29 drives the connecting platform 3 to adjust the height, and the connecting platform 3 drives the support box 4 to adjust the height, and the support box 4 drives the support arm 5 to adjust the height, and the support arm 5 drives the movable arm 6 to adjust the height, and the movable arm 6 drives the movable arm 6 to adjust the height. The movable arm 6 drives the special-shaped frame 8 to adjust its height through the sliding arm 7, the special-shaped frame 8 drives the adapter sleeve 9 to adjust its height, the adapter sleeve 9 drives the connecting frame 10 to adjust its height, and under the elastic support of the spring 12, the connecting frame 10 drives the arc scraper 11 to perform height-adjustable scraping of the wall surface, the first electric push rod 17 drives the movable arm 6 to rotate through the connecting shaft 19, the movable arm 6 rotates around the first movable shaft 18, the movable arm 6 drives the sliding arm 7 to rotate, the sliding arm 7 drives the special-shaped frame 8 to rotate, the special-shaped frame 8 drives the adapter sleeve 9 to rotate, the adapter sleeve 9 drives the connecting frame 10 to rotate, and the connecting frame 10 drives the arc scraper 11 to rotate. To facilitate the angle-adjustable scraping of the curved scraper 11, the second electric push rod 20 drives the special-shaped frame 8 to move, and the special-shaped frame 8 drives the sliding arm 7 to move horizontally, so that the sliding arm 7 slides out from the inside of the movable arm 6, and the special-shaped frame 8 drives the adapter sleeve 9 to move horizontally, and the adapter sleeve 9 drives the connecting frame 10 to move horizontally, and the connecting frame 10 drives the curved scraper 11 to move horizontally, so that the curved scraper 11 can perform horizontal movable scraping. The first motor 13 drives the worm 14 to rotate, and the worm 14 drives the worm wheel 15 to rotate, and the worm wheel 15 drives the rotating shaft 16 to rotate, and the rotating shaft 16 drives the support arm 5 to rotate, and the support arm 5 drives the movable arm 6 Rotation, the movable arm 6 drives the sliding arm 7 to rotate, the sliding arm 7 drives the special-shaped frame 8 to rotate, the special-shaped frame 8 drives the adapter sleeve 9 to rotate, the adapter sleeve 9 drives the connecting frame 10 to rotate, and the connecting frame 10 drives the curved scraper 11 to rotate, so as to facilitate the curved scraper 11 to perform rotational scraping of the wall surface, the third electric push rod 22 drives the rocker arm 21 to rotate, the rocker arm 21 drives the second movable shaft 23 to rotate, the second movable shaft 23 drives the adapter sleeve 9 to rotate, the adapter sleeve 9 drives the connecting frame 10 to rotate, and the connecting frame 10 drives the curved scraper 11 to rotate, so as to facilitate the curved scraper 11 to perform up and down adjustment scraping, thereby completing the use of the scraping device.

[0032] The above description is merely a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to equivalent embodiments using the technical contents disclosed above without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A wall scraping device for housing construction, comprising an electric trolley and a support frame, characterized in that: The top of the electric trolley is provided with a support frame, the outer wall of the support frame is provided with a connecting platform, the top of the connecting platform is provided with a support box, the top of the support box is provided with a support arm, the top of the support arm is provided with a movable arm, the end of the movable arm close to the support arm is provided with a first movable shaft, and the movable arm is movably connected to the support arm through the first movable shaft, the interior of the movable arm is slidably provided with a sliding arm, and the sliding arm extends to the outside of the movable arm, the end of the sliding arm away from the movable arm is provided with a special-shaped frame, the outside of the special-shaped frame is provided with a connecting frame, an adapter sleeve is installed on the outer wall of the connecting frame, the second movable shaft is movably installed inside the special-shaped frame on one side of the adapter sleeve, and the adapter sleeve is connected to the second movable shaft, an arc scraper is provided on the outer wall of the connecting frame away from the adapter sleeve, springs are symmetrically installed on the outer wall of the connecting frame on one side of the arc scraper, and both springs are connected to the arc scraper, a first motor is installed inside the support box, and a rotating shaft is movably installed inside the support box on one side of the first motor, and the rotating shaft extends to the outside of the support box and is connected to the support arm.

2. A wall-scraping device for building construction according to claim 1, characterized in that: A worm is installed at the output end of the first motor, a worm wheel is sleeved on the rotating shaft surface of one side of the worm, and the worm and the worm wheel are meshed with each other.

3. The wall-scraping device for building construction according to claim 1, characterized in that: A first electric push rod is movably installed inside the support arm, and the first electric push rod extends to the outside of the support arm. A connecting shaft is installed at one end of the first electric push rod close to the movable arm, and the first electric push rod is movably connected to the movable arm through the connecting shaft. A second electric push rod is installed at the top of the movable arm, and the second electric push rod is connected to the special-shaped frame.

4. The wall-scraping device for building construction according to claim 1, characterized in that: A rocker arm is installed on the outer wall of the second movable shaft, a third electric push rod is movably installed on the bottom end of the special-shaped frame on one side of the rocker arm, and the output end of the third electric push rod is connected to the rocker arm.

5. The wall-scraping device for building construction according to claim 1, characterized in that: A second motor is installed on the top of the electric trolley on one side of the support frame, and a pulley assembly is installed on the output end of the second motor.

6. A wall-scraping device for building construction according to claim 5, characterized in that: A first support shaft is movably installed inside the support frame on one side of the pulley assembly, and the first support shaft extends to the outside of the support frame, and the pulley assembly extends to the surface of the first support shaft.

7. A wall-scraping device for building construction according to claim 6, characterized in that: A second support shaft is movably mounted on the top of the support frame above the first support shaft. Lower support wheels are symmetrically mounted on the surface of the first support shaft, and support belts are provided on the surfaces of the lower support wheels.

8. A wall-scraping device for building construction according to claim 7, characterized in that: The surface of the second support shaft on one side of the support belt is sleeved with an upper support wheel, and the support belts extend to the surface of the upper support wheel.

9. The wall-scraping device for building construction according to claim 7, characterized in that: A sliding frame is slidably installed inside the supporting frame on one side of the supporting belt, and the sliding frame is fixedly connected to the supporting belt, and the connecting platform is connected to the sliding frame.

10. The wall-scraping device for building construction according to claim 5, characterized in that: A control panel is installed on the outer wall of the electric trolley, and the output end of the control panel is electrically connected to the input end of the electric trolley, the first motor, the first electric push rod, the second electric push rod, the third electric push rod, and the second motor.

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