Outer wall spraying machine for building construction

Abstract

The utility model discloses an outer wall spraying machine for building construction, which comprises a base and a spraying mechanism, and a liquid storage tank is arranged on the upper side of the base; the spraying mechanism comprises a rectangular frame, a moving assembly, a sliding seat, a connecting shell, a first rotating shaft, a connecting seat, an overturning seat, a spraying shell and an angle adjusting assembly, the rectangular frame is arranged at the rear end of the upper side of the base, the sliding seat is installed in the rectangular frame through the moving assembly, the connecting shell is arranged at the rear end of the sliding seat, and the rear side of the connecting shell is rotationally connected with the connecting seat through the first rotating shaft; according to the outer wall spraying machine for building construction, an outer wall spraying part can horizontally and vertically move through the transmission element, the outer wall spraying coverage range of the device is enlarged, meanwhile, the device can be designed according to the structure of a building outer wall through the transmission element, and the device is convenient to use. And the outer wall spraying angle of the device is adjusted, and the spraying application range of the device to the building outer wall is widened.

Description

Technical Field

[0001] This utility model relates to the field of exterior wall construction technology, specifically to an exterior wall spraying machine for building construction. Background Technology

[0002] Construction is a general term for buildings and structures. It refers to the artificial environment created by people to meet the needs of social life, utilizing available material and technological means and applying certain scientific and aesthetic principles. During construction, protective coatings are sprayed onto the exterior walls of buildings using spraying machines, thereby decorating and protecting the exterior walls and extending the building's lifespan. In existing technology, patent CN 216476158 U discloses an exterior wall spraying device for construction, including a base plate and a top pipe. Ground wheels are fixed at the four corners of the bottom of the base plate, and wheel brakes are provided on one side of each of the four ground wheels. Vertical pipes are fixed on both sides of the top of the base plate. Driven pulleys are rotatably connected inside the two vertical pipes, and the tops of the two vertical pipes are fixedly connected to the two sides of the bottom of the top pipe. A transmission mechanism is provided inside the top pipe. This utility model uses two transmission belts to support two sliders respectively, maintaining the stability of the lifting rod. The spraying pipe is fixed to the lifting rod by a pipe clamp for easy... The spray pipe is installed and disassembled, and the connector is connected to the spraying machine through a hose. The spraying machine can feed material into the spray pipe through the hose. The paint can be sprayed evenly through several nozzles in the spray pipe. When this device is used to spray the exterior wall of a building, the spraying part moves vertically up and down to increase its spraying range. However, the exterior walls of buildings have different shapes. If the area to be sprayed on the exterior wall of the building has an uneven design, the fixed angle of the spraying part of the device will prevent the device from effectively spraying the exterior wall of that area. Therefore, we propose an exterior wall spraying machine for building construction. Utility Model Content

[0003] The technical problem to be solved by this utility model is to overcome the existing defects and provide an exterior wall spraying machine for building construction. This device enables the exterior wall spraying part to move horizontally and vertically through transmission elements, thereby increasing the coverage of the exterior wall spraying. At the same time, the device can adjust the exterior wall spraying angle according to the building exterior wall structure design through transmission elements, thereby increasing the applicability of the device to the building exterior wall spraying and effectively solving the problems in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: an exterior wall spraying machine for building construction, including a base, a liquid storage tank on the upper side of the base, and a spraying mechanism;

[0005] The spraying mechanism includes a rectangular frame, a moving component, a slide, a connecting shell, a rotating shaft, a connecting seat, a flipping seat, a spraying shell, and an angle adjustment component. The rectangular frame is located at the upper rear end of the base. The slide is installed inside the rectangular frame via the moving component. The rear end of the slide is provided with a connecting shell. The rear side of the connecting shell is rotatably connected to the connecting seat via a rotating shaft. The interior of the connecting seat is rotatably connected to the flipping seat via a rotating shaft. The rear side of the flipping seat is provided with a spraying shell. An angle adjustment component is provided between the connecting shell and the rotating shaft, and between the connecting seat and the rotating shaft. This device enables the exterior wall spraying area to move horizontally and vertically through transmission elements, improving the coverage of the exterior wall spraying. At the same time, the device can adjust the exterior wall spraying angle according to the building exterior wall structure design through transmission elements, improving the applicability of the device for spraying exterior walls.

[0006] Furthermore, it also includes a microcontroller, which is located outside the base. The input terminal of the microcontroller is electrically connected to an external power supply, making it convenient to control electrical components.

[0007] Furthermore, the moving component includes a linear motor 1, a horizontal sliding seat, a linear motor 2, and a vertical sliding seat. The linear motor 1 is disposed on the bottom wall of the rectangular frame, and a dovetail groove 1 is formed on the top wall of the rectangular frame. The moving end of the linear motor 1 is provided with a horizontal sliding seat, and the upper end of the horizontal sliding seat is slidably connected to the dovetail groove 1. The left wall of the rectangular frame is provided with a linear motor 2, and the right wall of the rectangular frame is provided with a dovetail groove 2. The moving end of the linear motor 2 is provided with a vertical sliding seat, and the right end of the vertical sliding seat is slidably connected to the dovetail groove 2. A cross-shaped through groove 1 is formed in the middle of the horizontal sliding seat, and the front end of the sliding seat is slidably connected to the cross-shaped through groove 1. A cross-shaped through groove 2 is formed in the middle of the vertical sliding seat, and the middle of the sliding seat is slidably connected to the cross-shaped through groove 2. The input ends of both the linear motor 1 and the linear motor 2 are electrically connected to the output end of the microcontroller, thereby improving the spraying movement range of the spraying part in the exterior wall spraying machine for building construction.

[0008] Furthermore, the angle adjustment assembly includes a third rotating shaft, a small gear, a large gear, a brake motor, and an angle sensor. The large gear is respectively located at the front end of the first rotating shaft and the right end of the second rotating shaft. The rear side of the connecting shell and the right wall of the connecting seat are rotatably connected to the small gear via the third rotating shaft. The small gears are meshed with the adjacent large gears. The rear wall of the connecting shell and the right side of the connecting seat are equipped with brake motors. The input end of the brake motor is electrically connected to the output end of the microcontroller. The output shaft of the brake motor is fixedly connected to the adjacent third rotating shaft. The left wall of the connecting seat and the rear side of the connecting shell are equipped with angle sensors. The first rotating shaft and the second rotating shaft are fixedly connected to the detection end of the adjacent angle sensor. The angle sensors are bidirectionally electrically connected to the microcontroller, thereby adjusting the spraying angle of the exterior wall spraying machine for building construction.

[0009] Furthermore, the outlet of the liquid storage tank is connected to a first hose via a gear pump. The rear end of the first hose is connected to a rigid connecting pipe. The outer side of the rigid connecting pipe is fixedly connected to the middle groove of the slide. The rear end of the rigid connecting pipe passes through the connecting shell and is connected to a second hose via a rotary joint. The rear end of the second hose is connected to the spray shell. The input end of the gear pump is electrically connected to the output end of the microcontroller, providing power for the spraying liquid to be sprayed out of the exterior wall spraying machine in building construction.

[0010] Furthermore, the upper side of the base is provided with two symmetrically distributed push-pull rods, which facilitates the movement and pushing / pulling of the exterior wall spraying machine for building construction.

[0011] Furthermore, the base is equipped with four evenly distributed casters on its lower side, which facilitates the movement and locking of the exterior wall spraying machine used in building construction.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: This exterior wall spraying machine for building construction has the following advantages:

[0013] When using an exterior wall spraying machine for building construction, the moving components allow the spraying area to be moved horizontally and vertically within the spraying range, increasing the coverage of the exterior wall spraying. At the same time, the angle adjustment components allow the spraying angle of the device to be adjusted according to the structural design of the building exterior wall, enabling the device to perform more uniform spraying operations on the uneven areas of the exterior wall, thus increasing the applicability of the device for spraying building exterior walls. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the left side structure of this utility model;

[0016] Figure 3 This is a schematic diagram of the internal structure on the left side of this utility model;

[0017] Figure 4 This is a schematic diagram of the slide structure of this utility model;

[0018] Figure 5 This is a schematic diagram of the pipeline structure of this utility model;

[0019] Figure 6 This is an enlarged structural diagram of point A in this utility model.

[0020] In the diagram: 1. Base, 2. Microcontroller, 3. Spraying mechanism, 31. Rectangular frame, 32. Moving component, 321. Linear motor I, 322. Horizontal sliding seat, 323. Linear motor II, 324. Vertical sliding seat, 33. Slide seat, 34. Connecting shell, 35. Rotating shaft I, 36. Connecting seat, 37. Flipping seat, 38. Spraying shell, 39. Angle adjustment component, 391. Rotating shaft III, 392. Small gear, 393. Large gear, 394. Brake motor, 395. Angle sensor, 4. Liquid storage tank, 5. Gear pump, 6. Hose I, 7. Connecting rigid pipe, 8. Hose II, 9. Push-pull rod, 10. Casters. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1-6 This embodiment provides a technical solution: an exterior wall spraying machine for building construction, including a base 1, a liquid storage tank 4 on the upper side of the base 1, and a microcontroller 2 located outside the base 1. The input terminal of the microcontroller 2 is electrically connected to an external power source. The outlet of the liquid storage tank 4 is connected to a first hose 6 via a gear pump 5. The rear end of the first hose 6 is connected to a connecting rigid pipe 7. The outer side of the connecting rigid pipe 7 is fixedly connected to the middle through groove of the slide 33. The rear end of the connecting rigid pipe 7 passes through a connecting shell 34 and is connected to a second hose 8 via a rotary joint. The rear end of the second hose 8 is connected to the spraying shell 38. The input terminal of the gear pump 5 is electrically connected to the output terminal of the microcontroller 2. The upper side of the base 1 is provided with two symmetrically distributed push-pull rods 9, and the lower side of the base 1 is provided with four evenly distributed casters 10. When the device is used to spray the exterior wall of the building, the push-pull rods 9 facilitate the movement and pushing of the entire device, and the casters 10 facilitate the timely locking of the device after it moves along the exterior wall of the building. When the exterior wall of the building is being sprayed, the microcontroller 2 starts the gear pump 5. The gear pump 5 runs and delivers the spray liquid in the storage tank 4 through the hose 1 6, the connecting hard pipe 7 and the hose 2 8 to the spray shell 38, and sprays it out through the spray holes in the spray shell 38, thereby spraying the exterior wall of the building. The device also includes a spraying mechanism 3.

[0023] Spraying mechanism 3: It includes a rectangular frame 31, a moving component 32, a slide 33, a connecting shell 34, a rotating shaft 35, a connecting seat 36, a tilting seat 37, a spraying shell 38, and an angle adjustment component 39. The rectangular frame 31 is located at the upper rear end of the base 1. The slide 33 is installed inside the rectangular frame 31 via the moving component 32. The rear end of the slide 33 is provided with a connecting shell 34. The rear side of the connecting shell 34 is rotatably connected to the connecting seat 36 via the rotating shaft 35. The interior of the connecting seat 36 is rotatably connected to the tilting seat 37 via the rotating shaft 2. The rear side of the tilting seat 37 is provided with a spraying shell 38. Angle adjustment components 39 are provided between the connecting shell 34 and the rotating shaft 35, and between the connecting seat 36 and the rotating shaft 2. The moving component 32 includes a linear motor 321, a transverse sliding seat 322, and a linear... Linear motor 323 and vertical sliding seat 324 are provided. Linear motor 321 is mounted on the bottom wall of rectangular frame 31. Dovetail groove 1 is provided on the top wall of rectangular frame 31. A horizontal sliding seat 322 is provided at the moving end of linear motor 321. The upper end of horizontal sliding seat 322 is slidably connected to dovetail groove 1. Linear motor 323 is provided on the left wall of rectangular frame 31. Dovetail groove 2 is provided on the right wall of rectangular frame 31. Vertical sliding seat 324 is provided at the moving end of linear motor 323. The right end of vertical sliding seat 324 is slidably connected to dovetail groove 2. A cross-shaped through groove 1 is provided in the middle of horizontal sliding seat 322. The front end of slide 33 is slidably connected to cross-shaped through groove 1. A cross-shaped through groove 2 is provided in the middle of vertical sliding seat 324. The middle of slide 33 is slidably connected to cross-shaped through groove 2. Linear motor 321 and The input terminals of linear motor 2 323 are all electrically connected to the output terminals of microcontroller 2. The angle adjustment assembly 39 includes a rotating shaft 391, a pinion gear 392, a large gear 393, a brake motor 394, and an angle sensor 395. The large gear 393 is respectively located at the front end of rotating shaft 1 35 and the right end of rotating shaft 2. The rear side of the connecting housing 34 and the right wall of the connecting seat 36 are rotatably connected to the pinion gear 392 through rotating shaft 391. The pinion gear 392 is meshed with the adjacent large gear 393. The rear wall of the connecting housing 34 and the right side of the connecting seat 36 are equipped with brake motors 394. The input terminals of brake motors 394 are all electrically connected to the output terminals of microcontroller 2. The output shafts of brake motors 394 are all fixedly connected to the adjacent rotating shaft 391. The left wall of the connecting seat 36 is... Angle sensors 395 are provided on the rear side of both the connecting shell 34 and the rotating shaft 35. Rotating shaft 1 and rotating shaft 2 are both fixedly connected to the detection end of the adjacent angle sensor 395. The angle sensors 395 are bidirectionally electrically connected to the microcontroller 2. The microcontroller 2 starts linear motor 1 321, causing its mover end to drive the horizontal sliding seat 322 to slide along the dovetail groove 1. During the movement of the horizontal sliding seat 322, it slides along the cross groove 2 of its own through a sliding engagement with the slide block 33, thereby adjusting the horizontal position of the exterior wall spraying area of ​​the device. The microcontroller 2 starts linear motor 2 323, causing the vertical sliding seat 324 to slide along the dovetail groove 2 through the same principle. The vertical sliding seat 324 slides along the cross groove 2 of its own through a sliding engagement with the slide block 33.This causes the slide block 33 to slide vertically along the cross groove, thereby adjusting the vertical position of the exterior wall spraying area of ​​the device. Simultaneously, during the exterior wall spraying operation, the microcontroller 2 activates the front brake motor 394, causing its output shaft to drive the front rotating shaft 391 to rotate. The front rotating shaft 391 drives the front small gear 392 to rotate. The front small gear 392, through meshing, causes the front large gear 393 to drive the rotating shaft 35 to rotate (the gear ratio between the small gear 392 and the large gear 393 is much less than one, thus reducing the rotational speed of the large gear 393 driven by the small gear 392). 35 drives the connecting seat 36 to rotate, thereby causing the spray shell 38 to rotate around the rotating shaft 35, thus adjusting the spraying angle of the outer wall of the spray shell 38. During this process, the microcontroller 2 activates the front angle sensor 395. The front angle sensor 395 uses a high-performance integrated magnetic sensing element, which uses the non-contact characteristic of magnetic signal sensing to measure the rotation angle of the detection shaft (and the rotating shaft 35), and transmits the measurement result to the microcontroller 2 in the form of an electrical signal. The microcontroller 2 controls the opening and closing device of the front brake motor 394 in a timely manner according to the measurement result, thereby adjusting the rotation angle of the spray shell 38 around the rotating shaft 35. For precise control, the microcontroller 2 then activates the rear brake motor 394 and the rear angle sensor 395 using the same principle. The rear brake motor 394 and the rear angle sensor 395, through the same principle, precisely control the rotation angle of the spraying shell 38 around the axis of rotation two. This allows for adjustment of the spraying angle of the device according to changes in the shape of the building's exterior wall, making it easy to use. When the brake motor 394 is powered on, the armature inside the brake motor 394 is electromagnetically attracted, putting the brake disc in a rotatable state and allowing the brake motor 394 to rotate freely. When the brake motor 394 is de-energized, the electromagnet is de-energized, and the armature... The brake disc is immediately pressed against the spring, causing it to engage with the rear end cover of the motor and stop rotating. Therefore, the brake motor 394 has a self-locking function. During operation, the microcontroller 2 controls the front brake motor 394, ensuring that the rotation of the shaft 35 does not exceed 180 degrees in either direction, thus preventing wire and pipe winding. The device uses transmission elements to allow the exterior wall spraying area to move horizontally and vertically, increasing the coverage area. Simultaneously, the transmission elements allow for adjustment of the exterior wall spraying angle according to the building's exterior wall structure design, further expanding the device's applicability to exterior wall spraying.

[0024] The working principle of the exterior wall spraying machine for building construction provided by this utility model is as follows: When using the device to spray the exterior wall of a building, the push-pull rod 9 facilitates the movement and pulling of the entire device, and the casters 10 facilitate the timely locking of the device after it moves along the exterior wall. Then, the single-chip microcomputer 2 starts the linear motor 321, causing its moving end to drive the horizontal moving seat 322 to slide along the dovetail groove. During the movement of the horizontal moving seat 322, it slides and engages with the slide block 33 through its cross groove, thereby allowing the slide block 33 to slide horizontally along the cross groove, adjusting the horizontal position of the exterior wall spraying part of the device. The single-chip microcomputer 2 starts the linear motor 323, which, through the same principle, causes the vertical moving seat 324 to slide along the dovetail groove. The sliding engagement between the vertical sliding seat 324's cross groove 2 and the slide 33 allows the slide 33 to slide vertically along the cross groove 1, thereby adjusting the vertical position of the exterior wall spraying area of ​​the device. Simultaneously, during the exterior wall spraying operation, the microcontroller 2 activates the front brake motor 394, causing its output shaft to drive the front rotating shaft 391 to rotate. The front rotating shaft 391 drives the front pinion 392 to rotate. The front pinion 392, through meshing, causes the front large gear 393 to drive the rotating shaft 35 to rotate (the gear ratio between the pinion 392 and the large gear 393 is much less than one, thus reducing the rotational speed of the large gear 393 driven by the pinion 392). The rotating shaft 35 drives the connecting seat 36 to rotate, thereby allowing the spray shell to... The spraying shell 38 rotates around the pivot 35, thereby adjusting the spraying angle of the outer wall of the spraying shell 38. During this process, the microcontroller 2 activates the front angle sensor 395. The front angle sensor 395 uses a high-performance integrated magnetic sensing element, which utilizes the non-contact characteristic of magnetic signal sensing to measure the rotation angle of the detection axis (and the pivot 35), and transmits the measurement result to the microcontroller 2 in the form of an electrical signal. The microcontroller 2 controls the opening and closing device of the front brake motor 394 in a timely manner according to the measurement result, thereby precisely controlling the rotation angle of the spraying shell 38 around the pivot 35. Subsequently, the microcontroller 2 activates the rear brake motor 394 and the rear angle sensor 395 through the same principle. Using the same principle, the rotation angle of the spray shell 38 around the axis of the second rotating shaft is precisely controlled. This allows for adjustment of the spray angle according to changes in the shape of the building's exterior wall, making it easy to use. When the brake motor 394 is energized, the armature inside is electromagnetically attracted, allowing the brake disc to rotate freely. When the brake motor 394 is de-energized, the electromagnet is de-energized, and the armature is immediately held in place by a spring, pressing the brake disc against the rear end cover of the motor and stopping rotation. Therefore, the brake motor 394 has a self-locking function. During use, the microcontroller 2 controls the front brake motor 394, ensuring that the overall forward and reverse rotation of the first rotating shaft 35 does not exceed 180 degrees, thus preventing wire and tube winding.During exterior wall spraying operations, the microcontroller 2 starts the gear pump 5. The gear pump 5 operates, thereby transporting the spraying liquid from the storage tank 4 through hose 6, connecting rigid pipe 7, and hose 8 to the spray shell 38, and then spraying it out through the spray nozzles within the spray shell 38, thus performing the spraying operation on the exterior wall.

[0025] It is worth noting that the microcontroller 2 disclosed in the above embodiments can be a COP8CBE9, the linear motor 321 and the linear motor 323 can both be GD magnetic shaft micro linear motors, the brake motor 394 can be an HDWZ1-50, the angle sensor 395 can be an HSM22M multi-turn non-contact magnetic potentiometer, and the gear pump 5 can be a C512-3200 electric high-voltage micro gear pump. The microcontroller 2 controls the operation of the linear motor 321, the linear motor 323, the brake motor 394, the angle sensor 395, and the gear pump 5 using methods commonly used in the prior art.

[0026] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. An exterior wall spraying machine for building construction, comprising a base (1), wherein a liquid storage tank (4) is provided on the upper side of the base (1), characterized in that: It also includes a spraying mechanism (3); Spraying mechanism (3): It includes a rectangular frame (31), a moving component (32), a slide (33), a connecting shell (34), a rotating shaft (35), a connecting seat (36), a flipping seat (37), a spraying shell (38), and an angle adjustment component (39). The rectangular frame (31) is located at the upper rear end of the base (1). The slide (33) is installed inside the rectangular frame (31) through the moving component (32). The rear end of the slide (33) is provided with a connecting shell (34). The rear side of the connecting shell (34) is rotatably connected to the connecting seat (36) through the rotating shaft (35). The interior of the connecting seat (36) is rotatably connected to the flipping seat (37) through the rotating shaft (2). The rear side of the flipping seat (37) is provided with a spraying shell (38). An angle adjustment component (39) is provided between the connecting shell (34) and the rotating shaft (35) and between the connecting seat (36) and the rotating shaft (2).

2. The exterior wall spraying machine for building construction according to claim 1, characterized in that: It also includes a microcontroller (2), which is located outside the base (1), and the input terminal of the microcontroller (2) is electrically connected to an external power supply.

3. The exterior wall spraying machine for building construction according to claim 2, characterized in that: The moving component (32) includes a linear motor (321), a horizontal sliding seat (322), a linear motor (323), and a vertical sliding seat (324). The linear motor (321) is disposed on the bottom wall of the rectangular frame (31). A dovetail groove is provided on the top wall of the rectangular frame (31). The moving end of the linear motor (321) is provided with a horizontal sliding seat (322). The upper end of the horizontal sliding seat (322) is slidably connected to the dovetail groove. The left wall of the rectangular frame (31) is provided with a linear motor (323), and the right wall of the rectangular frame (31) is provided with a vertical sliding seat (324). The linear motor 2 (323) has a dovetail groove 2 and a vertical shift seat (324) at the moving end. The right end of the vertical shift seat (324) is slidably connected to the dovetail groove 2. The horizontal shift seat (322) has a cross through groove 1 in the middle. The front end of the slide seat (33) is slidably connected to the cross through groove 1. The vertical shift seat (324) has a cross through groove 2 in the middle. The middle of the slide seat (33) is slidably connected to the cross through groove 2. The input ends of the linear motor 1 (321) and the linear motor 2 (323) are both electrically connected to the output end of the microcontroller (2).

4. The exterior wall spraying machine for building construction according to claim 2, characterized in that: The angle adjustment assembly (39) includes a third rotating shaft (391), a small gear (392), a large gear (393), a brake motor (394), and an angle sensor (395). The large gear (393) is respectively located at the front end of the first rotating shaft (35) and the right end of the second rotating shaft. The rear side of the connecting shell (34) and the right wall of the connecting seat (36) are rotatably connected to the small gear (392) via the third rotating shaft (391). The small gear (392) meshes with the adjacent large gear (393). The rear wall of the connecting shell (34) and the right wall of the connecting seat (36) are rotatably connected to the small gear (392) via the third rotating shaft (391). Brake motors (394) are provided on the right side of the connecting seat (36). The input end of the brake motors (394) is electrically connected to the output end of the microcontroller (2). The output shaft of the brake motors (394) is fixedly connected to the adjacent rotating shaft three (391). Angle sensors (395) are provided on the left wall of the connecting seat (36) and the rear side of the connecting shell (34). Rotating shaft one (35) and rotating shaft two are fixedly connected to the detection end of the adjacent angle sensor (395). The angle sensors (395) are bidirectionally electrically connected to the microcontroller (2).

5. The exterior wall spraying machine for building construction according to claim 2, characterized in that: The outlet of the liquid storage tank (4) is provided with a first hose (6) via a gear pump (5). The rear end of the first hose (6) is provided with a connecting hard tube (7). The outer side of the connecting hard tube (7) is fixedly connected to the middle through groove of the slide (33). The rear end of the connecting hard tube (7) passes through the connecting shell (34) and is provided with a second hose (8) via a rotary joint. The rear end of the second hose (8) is connected to the spray shell (38). The input end of the gear pump (5) is electrically connected to the output end of the microcontroller (2).

6. The exterior wall spraying machine for building construction according to claim 1, characterized in that: The base (1) has two symmetrically distributed push-pull rods (9) on its upper side.

7. The exterior wall spraying machine for building construction according to claim 1, characterized in that: The base (1) has four evenly distributed casters (10) on its lower side.

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