Automatic spraying renovation device for roof

By designing components such as the spray frame, walking wheels and pulley transmission components, the problem of uneven roof paint spraying was solved, the uniformity and stability of the spraying were achieved, and the construction environment was improved.

CN120231441BActive Publication Date: 2025-09-09太行城乡建设集团有限公司 +1
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Patent Information

Application Number
CN202510718977.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-05-30
Publication Date
2025-09-09
Estimated Expiration
2045-05-30

AI Technical Summary

Technical Problem

In the existing technology, it is difficult to maintain the uniformity of roof waterproof coating spraying when spraying the coating. Manual operation easily leads to height differences, and the overlapping of the spraying vehicle's wheel paths affects the uniformity of the coating surface.

Method used

An automatic rooftop spraying renovation device is designed, which uses components such as a spray frame, walking wheels, limit columns, a balance plate and a spray plate. The spray plate is kept perpendicular to the ground through the special setting of the spray frame tilt and the walking wheels. Combined with the pulley transmission component and the protective component, the uniformity and protection of the spraying are achieved.

Benefits of technology

It improves the uniformity of paint spraying, prevents the travel wheel from affecting the paint after spraying, reduces local excessive thickness, improves the construction environment, and ensures the stability and uniformity of the spraying process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention relates to the field of paint spraying technology, and specifically to an automatic rooftop spraying renovation device, comprising: an equipment main body, a spraying frame, a running wheel elastically mounted on the bottom of the spraying frame, a limiting column extending into the spraying frame on the running wheel; a spraying assembly, the spraying assembly comprising a balance plate rotatably mounted on the spraying frame and a feed piece connected to an external feeding device, a spraying plate being provided at the bottom of the balance plate, a turntable coaxially mounted on one side of the balance plate, the turntable being rotatably connected to the feed piece, a feed hole being provided on the feed piece, and a connecting hole being provided on the turntable. The present invention tilts the spraying frame so that the running wheel on one side contacts the ground, the limiting column on the running wheel on the opposite side retracts and cancels the restriction on the balance plate, the spraying plate and the spraying frame rotate relative to each other and always remain perpendicular to the ground, while achieving communication between the connecting hole and the feed hole, and then during spraying construction, the distance between the spraying plate and the ground remains vertically downward to a certain extent, thereby improving the uniformity of paint spraying.
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Description

Technical Field

[0001] The invention relates to the technical field of paint spraying, and in particular to an automatic spraying and renovation device for a roof. Background Art

[0002] With the development of urbanization, after the construction of buildings, in order to avoid roof leakage, waterproof coating spraying equipment will be used to waterproof the buildings. The principle of waterproof coating spraying equipment is to pressurize the container through a booster pump, and then directly spray the pressurized waterproof coating. The latex paint sprayed from the spray gun is in mist and can be evenly adhered and adsorbed by the wall.

[0003] At present, when waterproof spraying construction is carried out on the roof, the roof is basically sprayed by manual handheld equipment. The spraying operation is flexible and convenient to carry, transport and move. On the other hand, for example, the invention patent with announcement number CN218862023U discloses a spraying instrument for waterproof coating. By setting a cleaning box, an air cavity and a collection box, while pushing the main body of the spraying equipment to move, the sand and dust on the surface of the roof are sucked into the inside of the air cavity. The roof is cleaned and then sprayed to enhance the firmness. The spraying is carried out while the trolley is moving, which is efficient, and combined with the dust removal before spraying, the construction efficiency is further improved.

[0004] However, during manual operation, due to fatigue caused by long-term hand-held work and high-intensity work, the distance between the spraying end of the equipment and the floor cannot be maintained at a certain height during spraying, and there will be a height difference, which will lead to uneven spraying. When spraying with a cart, although the distance between the spraying end and the floor can be kept constant and the uniformity of paint spraying can be maintained, in actual application, when the spraying cart is spraying, the path of the walking wheels will overlap with the spraying part, causing the cart to damage the sprayed surface during spraying, thereby affecting the uniformity of the paint after spraying. Summary of the Invention

[0005] In view of the above-mentioned shortcomings of the prior art, the present invention provides an automatic roof spraying renovation device, which can effectively solve the problem in the prior art that the paint spraying uniformity cannot be well maintained.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions:

[0007] The present invention provides an automatic spraying renovation device for a roof, comprising an equipment main body and further comprising:

[0008] A spray frame is located at the bottom of the equipment body, and a travel wheel is elastically mounted on the bottom of the spray frame, and a limit column is provided on the travel wheel that extends into the spray frame;

[0009] The spraying assembly is located in the spraying frame, and the spraying assembly includes a balance plate rotatably arranged on the spraying frame and a feeding piece connected to an external feeding device. A spraying plate is provided at the bottom of the balance plate, and a turntable is coaxially installed on one side of the balance plate, and the turntable is rotatably connected to the feeding piece. A feeding hole is provided on the feeding piece, and a connecting hole is provided on the turntable.

[0010] According to some embodiments of the present invention, a counterweight is provided on the spray plate, and a plurality of groups of equally spaced spray heads are provided at the bottom of the spray plate, and the spray heads spray toward the ground.

[0011] According to some embodiments of the present invention, the feeding member is provided with two groups of feeding holes symmetrically distributed on both sides of the connecting hole, and an arc-shaped connecting groove is provided on the side of the feeding hole close to the turntable.

[0012] According to some embodiments of the present invention, the walking wheels are slidably arranged on the spray frame through limiting columns, and a spring is provided between the walking wheels and the spray frame, and there are multiple groups of walking wheels that are symmetrically distributed on both sides of the moving direction of the spray frame.

[0013] According to some embodiments of the present invention, two sets of running wheels are provided on each side of the spray frame, and one set of running wheels is located in the middle of the length direction of the spray frame, and the other set is located on the side away from the feeding piece.

[0014] According to some embodiments of the present invention, the spraying plates are provided in two groups and are slidably arranged on the balance plate, and an elastic member is provided on the side of the spraying plate close to the feed piece, and a toggle column is provided on the side of the spraying plate away from the feed piece.

[0015] According to some embodiments of the present invention, an auxiliary component is further included, which includes a driven gear rotatably arranged on the spray frame and a pulley transmission component driven by the driven gear. A protrusion is provided on the pulley at one end of the pulley transmission component close to the spray plate, and the walking wheel is coaxially mounted with a driving gear that can be meshed with the driven gear.

[0016] According to some embodiments of the present invention, a protective component is further included, which includes an exhaust plate arranged outside the spray frame and connected to the interior, and a rotating blade coaxially connected to the rotating shaft of the walking wheel is provided in the exhaust plate, an exhaust groove is provided on the side of the exhaust plate close to the rotating blade, and an adsorption part is provided on the side of the exhaust plate close to the spray frame.

[0017] According to some embodiments of the present invention, an armrest is provided on the main body of the device, and a feed pipe for connecting the feed piece with an external feed container and a drive button for controlling the paint in the feed container to enter the feed piece are provided on the armrest.

[0018] Beneficial effects

[0019] Compared with the prior art, the technical solution provided by the present invention has the following beneficial effects:

[0020] 1. By tilting the spray frame, the travel wheel on one side contacts the ground, and the limit column on the travel wheel on the opposite side retracts and cancels the restriction on the balance plate. The spray plate and the spray frame rotate relative to each other and always remain perpendicular to the ground. At the same time, the connection between the connecting hole and the feed hole is achieved. Therefore, during spraying construction, the distance between the spray plate and the ground is kept vertically downward to a certain extent, which improves the uniformity of paint spraying.

[0021] Second, the special arrangement of the travel wheel on the spray frame allows one side of the spray frame to be suspended during spraying, thereby preventing the travel wheel from contacting the ground and affecting the sprayed paint during multiple spraying processes. At the same time, when the travel wheel contacts the ground, it drives the driving gear and the driven gear to engage, and cooperates with the pulley transmission assembly to intermittently squeeze the two groups of spray plates, realizing the staggered movement of the two groups of spray plates, preventing the situation of local over-thickness caused by fixed spraying of the nozzle, and further improving the uniformity of the nozzle spraying;

[0022] 3. Through the elastic arrangement of the travel wheels on the spray frame and the limit posts on the travel wheels, when multiple sets of travel wheels are in contact with the ground, the limit posts are squeezed into the spray frame and against the bottom of the balance plate, limiting the rotation of the balance plate, so that the connecting hole cannot be connected to the feed hole. Even if the drive button on the armrest is pressed by mistake, the paint cannot be sprayed out, thereby improving protection. During construction and the rotation of the travel wheels, the rotating blades and adsorption parts are used to filter the paint particles generated when the paint is sprayed, thereby improving the construction environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] To more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. Those skilled in the art can also derive other drawings based on these drawings without inventive effort.

[0024] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 It is a partial cross-sectional view of the present invention;

[0026] Figure 3 A partial cross-sectional view of the spray assembly of the present invention;

[0027] Figure 4 This is a state diagram of the present invention when tilted;

[0028] Figure 5 This is a schematic diagram of the state change from horizontal to tilted according to the present invention;

[0029] Figure 6 This is a schematic diagram of the connection between the spray plate and the balance plate of the present invention;

[0030] Figure 7 This is a front view of the structure of the auxiliary component of the present invention;

[0031] Figure 8 It is a rear view of the structure of the auxiliary component of the present invention;

[0032] Figure 9 This is a structural cross-sectional view of the protective component of the present invention.

[0033] Figure markings: 1. Equipment body; 2. Spray frame; 21. Travel wheel; 211. Limit column; 212. Driving gear; 22. Auxiliary component; 2201. Protrusion; 221. Driven gear; 222. Pulley transmission component; 23. Protective component; 2301. Exhaust groove; 231. Exhaust plate; 232. Rotating blade; 233. Adsorption part; 3. Spray assembly; 31. Balance plate; 32. Spray plate; 321. Nozzle; 322. Elastic part; 323. Toggle column; 33. Feed part; 331. Feed hole; 34. Turntable; 341. Connecting hole. DETAILED DESCRIPTION

[0034] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0035] The present invention will be further described below with reference to the embodiments.

[0036] Refer to the attached Figure 1-9 An automatic rooftop spraying and renovation device includes a device body 1, which is provided with a handrail for an operator to hold. The operator drives the device to move and spray by holding the handrail. The handrail is provided with a feed pipe connected to an external feed container and a drive button for controlling the output of the paint in the feed container. By pressing the drive button, the pump in the feed container is activated to input the paint into the feed pipe. This is a relatively conventional existing technology and will not be described in detail here. It also includes:

[0037] The spraying frame 2 is located at the bottom of the equipment body 1, and the bottom of the spraying frame 2 is elastically installed with 21, and the walking wheel 21 is provided with a limiting column 211 that extends into the spraying frame 2, and the walking wheel 21 is slidably set on the spraying frame 2 through the limiting column 211, and a spring is provided between the walking wheel 21 and the spraying frame 2, and the walking wheel 21 is provided with multiple groups and symmetrically distributed on both sides of the moving direction of the spraying frame 2. The shape of the limiting column 211 is not restricted, and is preferably prismatic to prevent relative rotation between the walking wheel 21 and the spraying frame 2. The spring is used to always push the walking wheel 21 away from the spraying frame 2. When both sets of walking wheels 21 are in contact with the ground, the spring is squeezed and compressed to cause the limiting column 211 to extend into the spraying frame 2;

[0038] The spray assembly 3 is located in the spray frame 2, and the spray assembly 3 includes a balance plate 31 rotatably arranged on the spray frame 2 and a feed piece 33 connected to an external feeding device. A spray plate 32 is provided at the bottom of the balance plate 31, and a turntable 34 is coaxially installed on one side of the balance plate 31, and the turntable 34 is rotatably connected to the feed piece 33. A feed hole 331 is provided on the feed piece 33, and a connecting hole 341 is provided on the turntable 34. The feed hole 331 on the feed piece 33 is provided with two groups of symmetrically distributed connecting holes 341. On both sides, an arc-shaped connecting groove is provided on the side of the feed hole 331 close to the turntable 34. When the balance plate 31 is tilted, the turntable 34 is driven to rotate, and then the connecting hole 341 is connected with the feed hole 331, realizing automatic opening during working and closing during non-working state, preventing misoperation from causing paint to be sprayed out from the spray plate 32 during non-working state. When both sets of walking wheels 21 are in contact with the ground, the spring is squeezed and compressed to make the limit column 211 extend to the bottom of the balance plate 31 to limit the rotation of the balance plate 31.

[0039] Furthermore, a counterweight is provided on the spray plate 32, and a plurality of groups of equally spaced nozzles 321 are provided at the bottom of the spray plate 32. The spraying direction of the nozzle 321 is toward the ground. Due to the setting of the counterweight on the spray plate 32, when the equipment rotates and tilts along the central axis of the walking wheel 21, the spray plate 32 can always remain perpendicular to the ground, thereby preventing the equipment from changing its tilt angle within a certain range while still maintaining the distance between the spray plate 32 and the ground, thereby improving the uniformity and stability of the paint spraying.

[0040] In the above technical solution, in the non-working state, the running wheels 21 on the spray frame 2 are in contact with the ground. At this time, the limiting column 211 extends into the spray frame 2 and presses against the bottom of the balance plate 31, limiting the rotation of the balance plate 31. At this time, the connecting hole 341 cannot be connected with the feeding hole 331. Even if the driving button on the armrest is pressed by mistake, the paint cannot be sprayed. When spraying is required, the spray frame 2 is tilted through the armrest, so that the running wheel 21 on one side of the spray frame 2 is in contact with the ground, and the running wheel 21 on the opposite side is separated from the ground and drives the limiting column 21 under the action of the spring. 1 retracts and removes the restriction on the balancing plate 31. At this time, the balancing plate 31, in cooperation with the spraying plate 32, always remains parallel to the ground, maintaining the distance between the nozzle 321 on the spraying plate 32 and the ground. The turntable 34 and the feeding member 33 on the balancing plate 31 rotate relative to each other to achieve the connection between the connecting hole 341 and the feeding hole 331. The spraying frame 2 is pushed to move by the handrail and the driving button is pressed to input the paint into the spraying plate 32 for spraying. The distance between the spraying plate 32 and the ground is kept vertically downward to a certain extent, thereby improving the uniformity of the paint spraying.

[0041] Among them, each of the two sides of the spray frame 2 is provided with two sets of walking wheels 21 to maintain the stability and convenient operation of the equipment during operation, and one set of walking wheels 21 is located in the middle position of the length direction of the spray frame 2, and the other set is located on the side away from the feeding piece 33. Due to the special arrangement of multiple sets of walking wheels 21 on the spray frame 2, one side of the spray frame 2 is suspended in the air. During continuous spraying construction, space will be left to prevent the walking wheels 21 from damaging the sprayed paint during movement. Since the paint is sprayed from the end of the feeding piece 33 throughout the entire spray plate 32, the paint will preferentially enter the spray plate 32 from the end of the spray frame 2 where the walking wheels 21 are not provided. At the same time, the walking wheels 21 can be used to fully spray the adjacent spraying areas, prevent the formation of spraying gaps, and improve the spraying effect.

[0042] In addition, the spraying plates 32 are provided with two groups and are slidably arranged on the balance plate 31, and an elastic member 322 is provided on the side of the spraying plate 32 close to the feed member 33, and a toggle column 323 is provided on the side away from the feed member 33. The spraying plate 32 is kept in a relatively stable state by the elastic member 322, and the elastic member 322 is intermittently squeezed by squeezing the toggle column 323 to push the spraying plate 32 to realize the swing of the spraying plate 32, and then cooperate with the multiple groups of spraying on the spraying plate 32 to minimize the concentration of the spraying of the nozzle 321, thereby further improving the uniformity of the coating.

[0043] In addition, it also includes an auxiliary component 22, which includes a driven gear 221 rotatably arranged on the spray frame 2, the driven gear 221 is arranged on the spray frame 2 through a protective cover, and the driven gear 221 is driven and connected to a pulley transmission component 222, the pulley transmission component 222 consists of two sets of pulleys and a set of belts, the pulley transmission component 222 is provided with a protrusion 2201 on one end of the pulley near the spray plate 32, and the protrusion 2201 is provided with multiple groups, and the pulley of the pulley transmission component 222 near the driven gear 221 side is connected to the pulley The driven gear 221 is coaxially connected, and the traveling wheel 21 is coaxially mounted with a driving gear 212 that can be meshed with the driven gear 221. When the traveling wheel 21 squeezes and approaches the spray frame 2, that is, when the limiting column 211 extends into the spray frame 2, the driving gear 212 meshes with the driven gear 221. Then, when pushing the spray frame 2 to move, due to the rotation of the traveling wheel 21, the driven gear 221 and the pulley transmission assembly 222 are driven to drive the protrusion 2201, thereby intermittently moving the spray plate 32 to achieve staggered sliding of the two groups of spray plates 32.

[0044] In the above technical solution, the special setting of the walking wheel 21 on the spray frame 2 makes one side of the spray frame 2 suspended during spraying, thereby preventing the walking wheel 21 from contacting the ground and affecting the sprayed paint during multiple spraying processes. Furthermore, when the walking wheel 21 contacts the ground, it drives the driving gear 212 to engage with the driven gear 221, and then cooperates with the pulley transmission assembly 222 to make the walking wheel 21 rotate multiple groups of protrusions 2201 when rotating, intermittently squeezing the two groups of spray plates 32, realizing the staggered movement of the two groups of spray plates 32, preventing the local over-thickness caused by the fixed spraying of the nozzle 321, and further improving the uniformity of the spraying of the nozzle 321.

[0045] It is worth noting that it also includes a protective component 23, which includes an air extraction plate 231 arranged outside the spray frame 2 and connected to the interior. The top of the air extraction plate 231 extends into the spray frame 2 and is located above the balance plate 31. A rotating blade 232 coaxially connected to the rotating shaft of the walking wheel 21 is provided in the air extraction plate 231. An exhaust groove 2301 is provided on one side of the air extraction plate 231 close to the rotating blade 232. When the spray frame 2 is spraying, paint particles are generated due to the rapid spraying of paint. When the paint particles are dispersed into the air, the walking wheel 21 rotates and drives the rotating blade 232 to rotate, thereby drawing the gas in the spray frame 2 to the exhaust plate 231 and discharging it from the exhaust slot 2301. During the extraction process, the dispersed paint particles are extracted into the exhaust plate 231. Since the exhaust plate 231 is provided with an adsorption part 233 on the side close to the spray frame 2, the gas extracted from the spray frame 2 is adsorbed when passing through the adsorption part 233, thereby improving the environment of the construction site and reducing the degree of dispersion of paint particles on site.

[0046] The working principle is as follows: the handrail on the equipment body 1 drives the spray frame 2 to rotate along the walking wheel 21 on one side, and the walking wheel 21 on the opposite side of the spray frame 2 extends under the action of the spring and drives the limit column 211 away from the balance plate 31, thereby canceling the restriction of the balance plate 31. At this time, the balance plate 31 and the spray frame 2 rotate relative to each other, and are always parallel to the ground under the action of the spray plate 32. The turntable 34 on one side of the balance plate 31 rotates relative to the feed part 33 to achieve the connection between the connecting hole 341 and the feed hole 331. At this time, push or pull the spray frame 2 and press the drive button to guide the paint into the spray plate 32 to spray the floor. Due to the special arrangement of the walking wheel 21 on the spray frame 2, one side of the spray frame 2 is suspended during spraying, thereby preventing the walking wheel 21 from contacting the ground and affecting the sprayed paint during multiple spraying processes. At the same time, the driving gear 212 on the supporting walking wheel 21 is meshed with the driven gear 221. 1 is rotated to drive the protrusion 2201, and the intermittent squeezing of the spray plate 32 by the toggle column 323 is realized to realize the staggered movement of the two groups of spray plates 32, thereby preventing the local over-thickness caused by the fixed spraying of the nozzle 321, and further improving the uniformity of the spraying of the nozzle 321. In addition, during the spraying construction process, since the paint is sprayed quickly, paint particles will be emitted into the air, and the rotating walking wheel 21 drives the rotating blade 232 to extract the gas in the spray frame 2 and discharge it from the exhaust groove 2301. During the extraction process, the adsorbent 233 on the exhaust plate 231 is cooperated to filter the paint particles, further improving the environment of the construction site. When in the non-construction state, the walking wheels 21 on both sides of the spray frame 2 are in contact with the ground, and then the limiting column 211 is extended into the spray frame 2 to press against the balance plate 31, limiting the rotation of the balance plate 31 to block the feeding end of the spray plate 32, preventing the paint from being sprayed in the non-working state due to misoperation of the drive button.

[0047] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the various embodiments of the present invention.

Claims

1. An automatic spraying renovation device for a roof, comprising a device body (1), characterized in that: Also includes: A spraying frame (2) is located at the bottom of the equipment body (1), and a travel wheel (21) is elastically installed at the bottom of the spraying frame (2), and a limiting column (211) is provided on the travel wheel (21) and extends into the spraying frame (2), and the travel wheel (21) is slidably set on the spraying frame (2) through the limiting column (211), and a spring is provided between the travel wheel (21) and the spraying frame (2), and the travel wheel (21) is provided with multiple groups and symmetrically distributed on both sides of the moving direction of the spraying frame (2), and each side of the two sides of the spraying frame (2) is provided with two groups of travel wheels (21), and one group of travel wheels (21) is located in the middle position of the length direction of the spraying frame (2), and the other group is located on the side away from the feeding member (33); A spray assembly (3) is located in a spray frame (2), the spray assembly (3) comprising a balance plate (31) rotatably arranged on the spray frame (2) and a feed member (33) connected to an external feeding device, a spray plate (32) being provided at the bottom of the balance plate (31), a turntable (34) being coaxially mounted on one side of the balance plate (31), and the turntable (34) being rotatably connected to the feed member (33), a feed hole (331) being provided on the feed member (33), and a connection hole (341) being provided on the turntable (34).

2. The automatic roof spraying renovation device according to claim 1 is characterized in that: A counterweight is provided on the spraying plate (32), and a plurality of groups of spray heads (321) are provided at the bottom end of the spraying plate (32) and are evenly distributed. The spraying direction of the spray heads (321) is toward the ground.

3. The automatic roof spraying renovation device according to claim 1 is characterized in that: The feeding holes (331) on the feeding member (33) are provided with two groups and are symmetrically distributed on both sides of the connecting hole (341), and an arc-shaped connecting groove is provided on one side of the feeding holes (331) close to the rotating disk (34).

4. The automatic roof spraying renovation device according to claim 1 is characterized in that: The spraying plates (32) are provided in two groups and are slidably arranged on the balance plate (31), and an elastic member (322) is provided on a side of the spraying plates (32) close to the feed member (33), and a toggle column (323) is provided on a side of the spraying plates (32) away from the feed member (33).

5. The automatic roof spraying renovation device according to claim 4 is characterized in that: The auxiliary assembly (22) further comprises a driven gear (221) rotatably arranged on the spray frame (2) and a pulley transmission assembly (222) drivingly connected to the driven gear (221), wherein a protrusion (2201) is provided on a pulley at one end of the pulley transmission assembly (222) close to the spray plate (32), and a driving gear (212) capable of meshing with the driven gear (221) is coaxially mounted on the travel wheel (21).

6. The automatic roof spraying renovation device according to claim 1 is characterized in that: The invention also includes a protective assembly (23), wherein the protective assembly (23) includes an air extraction plate (231) arranged outside the spray frame (2) and communicating with the interior thereof, and a rotating blade (232) coaxially connected to the rotating shaft of the running wheel (21) is provided in the air extraction plate (231), an exhaust groove (2301) is provided on a side of the air extraction plate (231) close to the rotating blade (232), and an adsorption member (233) is provided on a side of the air extraction plate (231) close to the spray frame (2).

7. The automatic roof spraying renovation device according to claim 1 is characterized in that: The equipment body (1) is provided with an armrest, and the armrest is provided with a feeding pipe for connecting the feeding piece (33) with an external feeding container, and a driving button for controlling the paint in the feeding container to enter the feeding piece (33).

Citation Information

Patent Citations

  • A waterproof coating spraying instrument

    CN218862023U

  • Plastic track slurry spraying machine capable of uniformly spraying

    CN217174334U

  • Feed transfer trolley

    CN219790257U