Underground movable paint spraying vehicle

Abstract

The utility model discloses an underground movable paint spraying vehicle which comprises a movable trolley, an air compressor, a pipeline assembly and a paint bucket, the paint bucket is arranged on a base of the movable trolley, the lower portion of the paint bucket is communicated with a paint pipe, a one-way valve is arranged on the paint pipe, and the pipeline assembly comprises a main air inlet pipe, a first branch air inlet pipe and a second branch air inlet pipe. An air inlet of the main air inlet pipe is communicated with the air compressor, an air inlet of the first branch air inlet pipe and an air inlet of the second branch air inlet pipe are both communicated with an air outlet of the main air inlet pipe, an air outlet of the first branch air inlet pipe is communicated with the upper portion of the paint bucket, and an air outlet of the second branch air inlet pipe is communicated with the paint pipe. The inner diameter of the first branch air inlet pipe is larger than that of the second branch air inlet pipe, the inner diameter of the second branch air inlet pipe is the same as that of the paint pipe, the viscosity of paint mixed with compressed air is reduced, the paint is sprayed out at a high speed, the atomization effect is achieved, the situation of nozzle blockage can be reduced, the failure rate of equipment is reduced, the structure is simple, and manufacturing and maintenance are convenient.

Description

Technical Field

[0001] This utility model relates to the field of mining equipment technology, specifically to an underground mobile painting vehicle. Background Technology

[0002] The high temperature and humidity environment underground has a significant corrosive effect on electrical equipment and pipelines. These devices and pipelines require regular recoating with anti-rust paint to extend their service life. Recoating can be done manually or using spray painting equipment. Manual painting requires a large workforce and results in significant material waste. While spray painting equipment offers higher precision and automation, it is more expensive. Furthermore, existing spray painting equipment has finely crafted nozzles to improve coating uniformity. Underground paint is more viscous than regular paint, often clogging the nozzles, causing equipment malfunctions and higher maintenance costs. Given the high corrosion resistance requirements of underground equipment but relatively lower requirements for coating thickness and uniformity, a spraying device suitable for underground painting and easy to maintain needs to be designed. Utility Model Content

[0003] This utility model provides a mobile underground painting vehicle that can solve the above-mentioned technical problems.

[0004] This utility model is achieved through the following technical solution:

[0005] A mobile underground painting vehicle includes a mobile trolley, an air compressor, piping components, and paint buckets.

[0006] The paint bucket is mounted on the base of the mobile trolley;

[0007] The lower part of the paint bucket is connected to a paint pipe, and a one-way valve is installed on the paint pipe. The one-way valve restricts the paint from flowing in the direction of the outlet of the paint pipe.

[0008] The piping assembly includes a main air inlet pipe, a first branch air inlet pipe, and a second branch air inlet pipe. The air inlet of the main air inlet pipe is connected to the air compressor. The air inlets of both the first and second branch air inlet pipes are connected to the air outlet of the main air inlet pipe. The air outlet of the first branch air inlet pipe is connected to the upper part of the paint bucket. The air outlet of the second branch air inlet pipe is connected to the paint pipe and located between the one-way valve and the liquid outlet of the paint pipe. The inner diameter of the first branch air inlet pipe is larger than the inner diameter of the second branch air inlet pipe, and the inner diameter of the second branch air inlet pipe is the same as the inner diameter of the paint pipe.

[0009] Furthermore, the inner diameter of the first air intake pipe is 1.7 ± 0.1 times the inner diameter of the second air intake pipe, and the inner diameter of the paint pipe is 4 mm, 6 mm, 8 mm, 10 mm or 12 mm.

[0010] Furthermore, the inner diameter of the paint tube is 12mm.

[0011] Furthermore, the distance between the air outlet of the first air inlet pipe and the lid of the paint bucket is 15±0.5cm, and the distance between the liquid inlet of the paint pipe and the bottom of the paint bucket is 5cm to 10cm.

[0012] Furthermore, the main intake pipe is equipped with a first valve.

[0013] Furthermore, both the first and second air intake pipes are equipped with a second valve.

[0014] Furthermore, both the first valve and the second valve are ball valves or pressure reducing valves.

[0015] Compared with the prior art, this utility model has the following advantages and beneficial effects:

[0016] A mobile underground painting vehicle includes a mobile trolley, an air compressor, piping components, and paint buckets. During operation, paint is poured into the paint buckets. The outlet of the first air inlet pipe is located above the paint surface. The air compressor is started, and the compressed air generated by the compressor is distributed via the main air inlet pipe to the first and second air inlet branches. The first air inlet pipe injects compressed air into the paint bucket, increasing the pressure inside and forcing the paint into the paint pipe. Simultaneously, the second air inlet pipe injects compressed air into the paint pipe section located outside the paint bucket. The compressed air from the second air inlet pipe mixes with the paint in the paint pipe, and the air-paint mixture is forced out at high speed from the nozzle of the paint pipe. When painting is not needed, the air compressor is turned off, and painting ends. The paint, after being mixed with compressed air, has reduced viscosity and is sprayed out at high speed, achieving an atomization effect. This reduces nozzle clogging, lowers the equipment failure rate, and features a simple structure that is easy to manufacture and maintain. Attached Figure Description

[0017] The accompanying drawings, which are included to provide a further understanding of the embodiments of the present invention and form part of this application, do not constitute a limitation thereof. In the drawings:

[0018] Figure 1 This is a schematic diagram of the structure of a mobile underground paint spraying vehicle according to an embodiment of the present invention.

[0019] The attached diagram shows the markings and corresponding component names:

[0020] 10-Mobile trolley, 11-Air compressor, 12-Main intake pipe, 121-First valve, 13-First branch intake pipe, 14-Second branch intake pipe, 15-Second valve, 16-Paint bucket, 17-Paint pipe, 171-One-way valve, 18-Nozzle. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the embodiments and accompanying drawings. The illustrative embodiments and descriptions of this utility model are only used to explain this utility model and are not intended to limit this utility model.

[0022] Example

[0023] Please see Figure 1 A mobile underground painting vehicle includes a mobile trolley 10, an air compressor 11, a pipeline assembly, and a paint bucket 16. The paint bucket 16 is mounted on the base of the mobile trolley 10. The mobile trolley 10 can be a handcart or an electric trolley, and this utility model is not limited thereto.

[0024] The lower part of the paint bucket 16 is connected to a paint pipe 17, and a one-way valve 171 is provided on the paint pipe 17. The one-way valve 171 restricts the paint to flow in the direction of the outlet of the paint pipe 17, preventing the paint from flowing back into the paint bucket 16.

[0025] The air inlet of the main air intake pipe 12 is connected to the air compressor 11. For example, the main air intake pipe 12 is connected to the air outlet of the air compressor 11 through a hose, which increases the range of movement of the paint spraying vehicle.

[0026] The piping assembly includes a main air intake pipe 12, a first air intake pipe 13, and a second air intake pipe 14. The air inlets of the first air intake pipe 13 and the second air intake pipe 14 are both connected to the air outlet of the main air intake pipe 12. For example, the main air intake pipe 12 can be connected to the first air intake pipe 13 and the second air intake pipe 14 via a quick-connect tee for convenience and speed. Alternatively, the main air intake pipe 12 can be welded to the first air intake pipe 13 and the second air intake pipe 14 for a more robust connection.

[0027] The outlet of the first air inlet pipe 13 is connected to the upper part of the paint bucket 16 and is located above the paint liquid level inside. The outlet of the second air inlet pipe 14 is connected to the paint pipe 17 located outside the paint bucket 16. For example, the distance between the outlet of the first air inlet pipe 13 and the lid of the paint bucket 16 is 15±0.5cm. While injecting compressed air into the paint bucket 16, the amount of paint that can be stored in the paint bucket 16 is increased as much as possible. The distance between the inlet of the paint pipe 17 and the bottom of the paint bucket 16 is 5cm to 10cm. This ensures that the paint enters the paint pipe 17 while reducing paint waste.

[0028] The inner diameter of the first air inlet pipe 13 is larger than the inner diameter of the second air inlet pipe 14. The inner diameter of the second air inlet pipe 14 is the same as the inner diameter of the paint pipe 17. For example, the inner diameter of the first air inlet pipe 13 is 1.7 ± 0.1 times the inner diameter of the second air inlet pipe 14. For example, the inner diameter of the paint pipe 17 is 6mm, 8mm, 10mm or 12mm. In actual operation, the spraying effect is better when the inner diameter of the paint pipe 17 is 12mm, the inner diameter of the second air inlet pipe 14 is 12mm, and the inner diameter of the first air inlet pipe 13 is 20mm.

[0029] This type of mobile downhole painting vehicle includes a mobile trolley 10, an air compressor 11, piping components, and paint buckets 16. During operation, paint is poured into the paint bucket 16. The outlet of the first air inlet pipe 13 is located above the paint surface. The air compressor 11 is started, and the compressed air generated by the air compressor 11 is distributed via the main air inlet pipe 12 to the first air inlet pipe 13 and the second air inlet branch pipe. The first air inlet pipe 13 injects compressed air into the paint bucket 16, increasing the pressure inside the paint bucket 16 and forcing the paint inside the paint bucket 16 into the paint pipe 17. Meanwhile, the second air inlet pipe 14 injects compressed air into the paint pipe 17 section located outside the paint bucket 16. The compressed air from the second air inlet pipe 14 mixes with the paint in the paint pipe 17 and compresses the air-paint mixture to be ejected at high speed from the nozzle 18 of the paint pipe 17. When painting is not required, the air compressor 11 is turned off, and the painting ends. The viscosity of the paint mixed with compressed air is reduced and it is ejected at high speed to achieve an atomization effect. This can reduce the clogging of the nozzle 18, reduce the failure rate of the equipment, and has a simple structure that is easy to manufacture and maintain.

[0030] In another embodiment, the main air intake pipe 12 is provided with a first valve 121, which makes the amount of air entering the main air intake pipe 12 adjustable. When using paint with high viscosity or when the amount of paint is large, the opening of the first valve 121 of the main air intake pipe 12 is increased, and the amount of air entering the first branch air intake pipe 13 is also increased, which facilitates the paint to enter the paint pipe 17. The amount of air entering the second branch air intake pipe 14 is also increased, and the amount of air mixed with the paint in the paint pipe 17 is increased, which further reduces the viscosity of the paint and makes it easier to spray. When using paint with low viscosity or when the amount of paint is small, the opening of the first valve 121 of the main air intake pipe 12 is reduced.

[0031] In another embodiment, both the first air inlet pipe 13 and the second air inlet pipe 14 are equipped with a second valve 15. Adjusting the second valve 15 controls the amount of air passing through, providing greater flexibility. The second valve 15 on the first air inlet pipe 13 allows for adjustment of the amount of air entering the paint can 16 according to the viscosity of the paint. When using a more viscous paint, the opening of the second valve 15 on the first air inlet pipe 13 is increased to facilitate paint entry into the paint pipe 17. When using a less viscous paint, the opening of the second valve 15 on the first air inlet pipe 13 is decreased. The second air inlet pipe 14 is equipped with a second valve 15, which can adjust the amount of air entering the paint pipe 17 according to the viscosity of the paint, so as to control the viscosity of the air and paint mixture. When using paint with higher viscosity, the opening of the second valve 15 of the second air inlet pipe 14 is increased, and when using paint with lower viscosity, the opening of the second valve 15 of the second air inlet pipe 14 is decreased. For example, the first valve 121 and the second valve 15 are both ball valves or pressure reducing valves. Ball valves can quickly adjust the air flow, and pressure reducing valves can precisely adjust the air flow.

[0032] In another embodiment, the paint can includes an outer can and an inner can placed therein. The outer can is fixed to the base of the mobile trolley 10 by bolts, and the inner can is replaceable at any time, which facilitates quick change of paint type.

[0033] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of this utility model. It should be understood that the above description is only a specific embodiment of this utility model and is not intended to limit the scope of protection of this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the scope of protection of this utility model.

Claims

1. A mobile underground painting vehicle, characterized in that, Includes mobile carts, air compressors, piping assemblies, and paint buckets. The paint bucket is mounted on the base of the mobile trolley; The lower part of the paint bucket is connected to a paint pipe, and a one-way valve is installed on the paint pipe. The one-way valve restricts the paint from flowing in the direction of the outlet of the paint pipe. The piping assembly includes a main air inlet pipe, a first branch air inlet pipe, and a second branch air inlet pipe. The air inlet of the main air inlet pipe is connected to the air compressor. The air inlets of both the first and second branch air inlet pipes are connected to the air outlet of the main air inlet pipe. The air outlet of the first branch air inlet pipe is connected to the upper part of the paint bucket. The air outlet of the second branch air inlet pipe is connected to the paint pipe and located between the one-way valve and the liquid outlet of the paint pipe. The inner diameter of the first branch air inlet pipe is larger than the inner diameter of the second branch air inlet pipe, and the inner diameter of the second branch air inlet pipe is the same as the inner diameter of the paint pipe.

2. The mobile underground painting vehicle according to claim 1, characterized in that, The inner diameter of the first air intake pipe is 1.7 ± 0.1 times the inner diameter of the second air intake pipe, and the inner diameter of the paint pipe is 4 mm, 6 mm, 8 mm, 10 mm or 12 mm.

3. The mobile underground painting vehicle according to claim 2, characterized in that, The inner diameter of the paint tube is 12mm.

4. The mobile underground painting vehicle according to claim 1, characterized in that, The distance between the air outlet of the first air inlet pipe and the lid of the paint bucket is 15±0.5cm, and the distance between the liquid inlet of the paint pipe and the bottom of the paint bucket is 5cm to 10cm.

5. The mobile underground painting vehicle according to claim 4, characterized in that, The main intake pipe is equipped with a first valve.

6. The mobile underground painting vehicle according to claim 5, characterized in that, Both the first and second air intake pipes are equipped with a second valve.

7. A mobile underground painting vehicle according to claim 6, characterized in that, Both the first valve and the second valve are ball valves or pressure reducing valves.

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