Movable field metering and stirring device for coating bridges and tunnels

Abstract

The utility model discloses a movable on-site metering and stirring device for coating bridges and tunnels. The device comprises a transportation device, a stirring storage device and a metering display device. Through the targeted design of the device structure, an operator can more accurately control the material consumption, so that the construction consumption, the appearance, the gloss and the covering property of different construction teams are consistent, the indexes such as the stirring quality and the construction consumption are effectively controlled, the interference influence on a project result caused by construction of different teams is reduced, and the construction efficiency is improved. And the practical value is better.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge and tunnel coating construction, and particularly relates to a movable on-site metering and stirring device for bridge and tunnel painting. Background Art

[0002] In the current bridge and tunnel coating construction, the generally used coating products are two-component or one-component coatings. For two-component products, the A and B components and the diluting medium need to be stirred evenly on-site in a certain proportion before construction. For one-component products, they also need to be stirred evenly, and diluent is added (or not added) according to the construction requirements. Regardless of the type of product, the current technology generally adopts manual proportioning, manual dilution, and manual stirring, resulting in situations such as mixing ratio and dilution ratio depending on experience, uneven stirring, inconsistent quality, and no measurement of consumption. Especially for long-distance construction such as highway guardrails and tunnel sidewalls, the materials carried by a team are less, and it is necessary to frequently fetch materials, stir, and construct, reducing the construction efficiency and work continuity. Some teams directly equip construction vehicles, resulting in increased costs such as fuel and labor. In addition, since there is usually no available electricity at the construction site, and generators and airless spraying machines are not equipped, corresponding transportation vehicles and personnel are required to ensure, increasing the corresponding costs. Currently, some transportable stirring storage tanks have appeared and been applied on-site, which can solve some construction efficiency problems, but they have no metering function, and due to the certain height of the storage tank, there are problems such as inconvenient operation when the feeding pipe of the airless spraying machine needs to be inserted into the tank, easy residue of materials at the bottom of the tank, and easy inhalation of sundries to block the nozzle of the airless spraying gun.

[0003] Therefore, the prior art has the following deficiencies and problems: 1. The material mixing ratio and dilution ratio of each construction team on-site rely on personal construction experience and cannot be quantitatively unified, which will cause many problems: a. When the ratio deviation is large, it will affect the construction quality; b. Due to the differences in material mixing ratio, dilution, and construction consumption in the construction areas responsible for each team, the anti-corrosion protection, gloss, appearance, and covering power of the materials constructed in different construction sections of the same construction project by different construction teams are different; c. For the subject test project, it generates additional influencing factors, interfering with the subject research and ultimately affecting the results of the subject research; 2. Manual stirring has low efficiency and cannot guarantee the quality; 3. The materials need to be replenished and stirred multiple times, with poor continuous construction and low overall construction efficiency; 4. When multiple devices such as stirrers, generators, and spraying machines are required for construction, vehicles and corresponding personnel are needed to ensure, increasing transportation and personnel costs; 5. Some applied transportable stirring storage tanks have problems such as no metering function, inconvenient operation of feeding and construction with an airless spraying machine, easy residue of materials at the bottom of the tank, and easy inhalation of sundries to block the nozzle of the airless spraying gun. Summary of the Utility Model

[0004] Aiming at the above-mentioned deficiencies existing in the prior art, the purpose of the present utility model is to provide a movable on-site metering and mixing device for bridge-tunnel painting, so as to solve the problems in the prior art that operators mix according to construction experience, which affects the product quality and performance, the quality of manual mixing is unstable, the real-time consumption cannot be directly known, resulting in inconsistent construction consumption and construction effects.

[0005] To solve the above technical problems, the present utility model adopts the following technical solutions:

[0006] A movable on-site metering and mixing device for bridge-tunnel painting, the device includes a transportation device, a mixing and storage device, and a metering and display device;

[0007] Among them, the mixing and storage device includes a storage tank and a mixing device. The storage tank is a barrel-shaped structure with one end open and the other end closed. The storage tank is arranged vertically so that the opening is located at the upper end of the storage tank; the storage tank is located above one side of the transportation device, and its bottom is detachably and fixedly connected to the transportation device; a discharge port is provided at the bottom of the storage tank, and one end of the discharge pipe is communicated with the discharge port. The other end of the discharge pipe passes through the side wall of the storage tank and extends to the outside of the storage tank for discharging the liquid in the storage tank; a mixing device is provided in the storage tank. The mixing device is located above the storage tank and is fixedly connected to the storage tank through a support member. The mixing device can stir the liquid in the storage tank.

[0008] The metering and display device includes a weighing sensor and a display. The measuring end of the weighing sensor is located below the storage tank and is detachably and fixedly connected to the transportation device for detecting the weight of the liquid in the storage tank. Its signal output end is circuit-connected to the display, and the weighing result is displayed through the display; the display is arranged on one side outside the storage tank and is detachably and fixedly connected to the transportation device;

[0009] On the surface of the transportation device on the side far from the storage tank, a reserved area A and a reserved area B are formed by recessing vertically downward. The reserved area A and the reserved area B are spaced apart along the width direction of the transportation device. The reserved area A is used to place a high-pressure airless spraying machine. The high-pressure airless spraying machine is detachably and fixedly connected to the reserved area A. The high-pressure airless spraying machine is connected to the discharge pipe through a pipeline for coating spraying; the reserved area B is used to place a generator. The bottom of the generator is detachably and fixedly connected to the reserved area B. The generator is used to supply power to the mixing device, the high-pressure airless spraying machine, and the metering and display device.

[0010] Preferably, a bottom plate is provided inside the storage tank and near one side of its bottom. The periphery of the bottom plate is fixedly connected to the inner side wall of the storage tank, and the center of the bottom plate protrudes vertically towards the bottom of the storage tank, so that the linear distance from the center of the bottom plate to the bottom of the storage tank is less than the linear distance from the four edges of the bottom plate to the bottom of the storage tank; the discharge port is located at the center of the bottom plate.

[0011] Preferably, the transport device includes a trolley panel. A plurality of universal wheels are provided below the trolley panel. The universal wheels are distributed at intervals along the circumferential direction of the trolley and are fixedly connected to the lower side surface of the trolley panel. A braking structure capable of braking is provided on the universal wheels. When moving to a predetermined position, the braking structure can brake the universal wheels to prevent them from moving further; an armrest is provided on one side of the trolley panel close to the storage tank. The armrest is U-shaped, with both ends fixedly connected to one side of the trolley panel, and the other end extends vertically upward to form a gripping end.

[0012] Preferably, the stirring device includes a stirring rod, a plurality of stirring blades and a driving motor; the driving end of the driving motor is fixedly connected to one end of the stirring rod, and one end of the plurality of stirring blades is fixedly connected to the other end of the stirring rod and is evenly distributed at intervals along the circumferential direction of the stirring rod.

[0013] Preferably, the support member includes a plurality of connecting sleeves I and connecting sleeves II. The two connecting sleeves I are respectively located on the outer sides of the upper end of the storage tank that are opposite to each other and are respectively fixedly connected to the outer side wall of the storage tank; the two connecting sleeves II are respectively located on the two sides of the driving motor that are opposite to each other and are respectively fixedly connected to the driving motor; a plurality of connecting holes are provided at intervals along the length direction of the connecting sleeve I, and a plurality of positioning holes are provided at the positions corresponding to the connecting holes on the fixing rod. One end of the fixing rod passes through the connecting hole and the positioning hole at the same time through a bolt and is fixedly connected to the connecting sleeve I, and the other end of the fixing rod is fixedly connected to the connecting sleeve II.

[0014] Preferably, a sewage pipe and a feeding pipe are further provided at the other end of the discharge pipe; one end of the sewage pipe is communicated with the discharge pipe, and a sewage valve is provided at the other end of the sewage pipe; one end of the feeding pipe is communicated with the discharge pipe, and a filter is provided at the connection, and a feeding valve is provided at the other end of the feeding pipe.

[0015] Preferably, the metering display device further includes a controller, which is used to receive the data sent by the weighing sensor, calculate the rate of weight change according to the data, and send the calculation result to the display for display.

[0016] Compared with the prior art, the utility model has the following advantages:

[0017] In view of many problems existing in the prior art, the utility model is provided with a metering and display device to strictly control the usage amount of main materials and the added amount of diluting materials, enabling operators to more accurately control the material consumption, and further achieving consistent construction consumption, appearance, gloss and covering property among different construction teams; cooperating with the provided stirring device, it solves the problems of inconsistent manual stirring and spraying consumption among different teams, can effectively control indexes such as stirring quality and construction consumption, and reduces the interference and influence on the results of project items caused by the construction of different teams; meanwhile, a reserved area A and a reserved area B are provided, enabling operators to select the required tools according to construction needs and place them in the two areas, reducing transportation costs and labor costs, and enabling one device of the utility model to guarantee one construction team, thus reducing vehicle and personnel costs; the bottom of the storage tank is improved to make the storage tank easier to clean and not easy to leave impurities such as paint film, ensuring more thorough and convenient sewage discharge after cleaning, and the storage tank can also be quickly connected through the bottom, realizing convenient operation, no blockage and no residue at the bottom of the tank. Brief Description of the Drawings

[0018] Figure 1 It is a structural schematic diagram of a movable on-site metering and stirring device for bridge and tunnel painting according to the utility model.

[0019] Figure 2 It is a structural schematic diagram inside the device.

[0020] In the figure: storage tank 1, buckle 2, discharge pipe 3, display 4, reserved area A 5, reserved area B 6, bottom plate 7, trolley panel 8, universal wheel 9, handrail 10, stirring rod 11, stirring blade 12, driving motor 13, connecting sleeve I 14, connecting sleeve II 15, fixed rod 16, bolt 17, sewage discharge pipe 18, feeding pipe 19, sewage discharge valve 20, feeding valve 21. Detailed Description of the Embodiment

[0021] The utility model will clearly and completely describe the technical solutions in the embodiments of the utility model with reference to the accompanying drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the utility model belong to the protection scope of the utility model.

[0022] The utility model provides a movable on-site metering and stirring device for bridge and tunnel painting, as Figures 1 - 2 shown, the device includes a transportation device, a stirring and storage device and a metering and display device;

[0023] Among them, the stirring and storage device includes a storage tank 1 and a stirring device. The storage tank is in a barrel-shaped structure with one end open and the other end closed. The storage tank is arranged vertically with the opening at the upper end. The storage tank is located above one side of the transportation device, and its bottom is detachably and fixedly connected to the transportation device. A discharge port 2 is provided at the bottom of the storage tank. The discharge port is connected to one end of a discharge pipe 3. The other end of the discharge pipe passes through the side wall of the storage tank and extends to the outside of the storage tank for discharging the liquid in the storage tank. A stirring device is provided in the storage tank. The stirring device is located above the storage tank and is fixedly connected to the storage tank through a support member. The stirring device can stir the liquid in the storage tank.

[0024] The metering and display device includes a weighing sensor and a display 4. The measuring end of the weighing sensor is located below the storage tank and is detachably and fixedly connected to the transportation device for detecting the weight of the liquid in the storage tank. Its signal output end is circuit-connected to the display, and the weighing result is displayed through the display. The display is arranged on one side outside the storage tank and is detachably and fixedly connected to the transportation device.

[0025] On the surface of the transportation device away from the storage tank, a reserved area A 5 and a reserved area B 6 are recessed vertically downward. The reserved area A and the reserved area B are spaced apart along the width direction of the transportation device. The reserved area A is used to place a high-pressure airless spraying machine. The high-pressure airless spraying machine is detachably and fixedly connected to the reserved area A. The high-pressure airless spraying machine is connected to the discharge pipe through a pipeline for coating spraying. The reserved area B is used to place a generator. The bottom of the generator is detachably and fixedly connected to the reserved area B. The generator is used to supply power to the stirring device, the high-pressure airless spraying machine, and the metering and display device. Among them, there is a certain distance between the bottoms of the reserved area A and the reserved area B and the upper side surface of the trolley panel, so that the reserved area A and the reserved area B have a certain depth, enabling them to play a limiting role on the devices or equipment placed therein. The reserved area A and the reserved area B are not only used to place the high-pressure airless spraying machine and the generator, but also can place other tools or equipment according to the construction needs. A plurality of buckles are provided in the reserved area A and the reserved area B. These tools or equipment can be detachably and fixedly connected to the reserved area A or the reserved area B through the buckles, which is convenient for construction personnel to access and also facilitates carrying and transportation, and can significantly reduce transportation costs and personnel costs.

[0026] In some embodiments of the present application, a bottom plate 7 is provided inside the storage tank and near one side of its bottom. The periphery of the bottom plate is fixedly connected to the inner side wall of the storage tank, and the center of the bottom plate protrudes vertically towards the bottom of the storage tank, such that the straight-line distance from the center of the bottom plate to the bottom of the storage tank is less than the straight-line distance from the four edges of the bottom plate to the bottom of the storage tank. The discharge port is located at the center of the bottom plate, enabling the liquid in the storage tank to quickly flow out from the discharge port at its center, which can not only prevent the paint from remaining in the storage tank but also enable the sewage to quickly drain from the storage tank when cleaning the storage tank, avoiding the influence of residues on the quality of the paint during the subsequent spraying process. At the same time, the inner wall of the storage tank below the bottom plate is a double-layer structure, which on the one hand strengthens the bottom of the storage tank, avoiding damage to the discharge pipe at the bottom; on the other hand, it also protects the bottom. The transportation device includes a trolley panel 8, and a plurality of universal wheels 9 are provided below the trolley panel. The universal wheels are spaced circumferentially along the trolley and are fixedly connected to the lower surface of the trolley panel. A braking structure capable of braking is provided on the universal wheels. When the transportation device moves to a predetermined position, the braking structure can brake the universal wheels to prevent them from continuing to move; on one side of the trolley panel close to the storage tank, a handrail 10 is provided. The handrail is U-shaped, with its two ends fixedly connected to one side of the trolley panel, and the other end extends vertically upward to form a gripping end. At the position corresponding to the handrail on the trolley panel, connecting sleeves III are respectively provided. The connecting sleeves III are arranged vertically, and one end of the connecting sleeve III is fixedly connected to the trolley panel. One end of the handrail can be inserted into the other end of the connecting sleeve III and is detachably fixed to the connecting sleeve III by bolts. A plurality of threaded holes are provided along the length direction of the connecting sleeve III, enabling construction workers to adjust the height of the handrail to meet different requirements. In specific implementation, the reserved area A and the reserved area B can be made into independent components and are detachably fixed to the trolley panel by buckles, enabling construction workers to selectively install the reserved area A and the reserved area B according to the needs of construction operations to meet different construction requirements.

[0027] In some embodiments of the present application, the stirring device includes a stirring rod 11, a plurality of stirring blades 12, and a driving motor 13. The driving end of the driving motor is fixedly connected to one end of the stirring rod, and one end of the plurality of stirring blades is fixedly connected to the other end of the stirring rod, and is evenly distributed along the circumference of the stirring rod. In actual use, after the construction personnel add raw materials to the storage tank, the driving motor is started, so that the stirring device fully stirs the raw materials, ensuring that the coating is evenly mixed during the spraying process, thereby ensuring the construction effect. The supporting member includes a plurality of connecting sleeves I14, connecting sleeves II15 and fixing rods 16. The two connecting sleeves I are respectively located on the outer sides of the upper end of the storage tank and are respectively fixedly connected to the outer side walls of the storage tank; the two connecting sleeves II are respectively located on the two sides of the driving motor and are respectively fixedly connected to the driving motor; a plurality of connecting holes are arranged at intervals along the length direction of the connecting sleeve I, and a plurality of positioning holes are arranged at the positions corresponding to the connecting holes on the fixing rod. One end of the fixing rod can be inserted into the connecting sleeve I and pass through the connecting sleeve I, so that the fixing rod can move in the connecting sleeve I, and is fixedly connected to the connecting sleeve I by passing through the connecting hole and the positioning hole at the same time through the bolt 17, and the other end of the fixing rod is fixedly connected to the connecting sleeve II. When the height of the stirring device needs to be adjusted, the fixing rod can be moved in the vertical direction to adjust its position in the connecting sleeve I, and then fixed at the desired height position.

[0028] In some embodiments of the present application, a sewage pipe 18 and a feed pipe 19 are also provided at the other end of the discharge pipe. One end of the sewage pipe is connected to the discharge pipe, and a sewage valve 20 is provided at the other end of the sewage pipe, and the sewage valve can control the opening and closing of the sewage pipe. One end of the feed pipe is connected to the discharge pipe, and a filter is provided at the connection, and a feed valve 21 is provided at the other end of the feed pipe, and the feed valve can control the opening and closing of the feed pipe. The filter is a Y-shaped filter, which can filter the paint flowing out of the feed pipe to prevent the residue therein from clogging the nozzle of the spraying equipment. In actual use, when cleaning the storage tank, close the feed valve and the sewage valve; after cleaning, only open the sewage valve to quickly discharge the cleaned sewage; when stirring and preparing materials, close the feed valve and the sewage valve; after the preparation is completed, only open the feed valve, and connect the feed pipe with the spraying equipment through the pipeline, so as to implement the spraying operation.

[0029] In some embodiments of the present application, the measuring and display device also includes a controller, which is used to receive data sent by the weighing sensor, calculate the rate of weight change based on the data, and send the calculation result to the display for display, so that construction personnel can understand the raw material usage in real time, reduce raw material waste, and reduce construction costs.

[0030] In actual use, a high-pressure airless spraying machine is set in the reserved area A and fixed to the trolley panel through the front and rear buckles 2. A generator is set in the reserved area B and fixed to the trolley panel through the front and rear buckles 2. Electrical equipment such as the stirring device, the display, and the airless spraying machine are connected to the generator power supply. The inlet pipe of the airless spraying machine is connected to the feeding pipe 19 through threads, and the feeding valve 21 and the sewage discharge valve 20 are closed. First, add an appropriate amount of clean water to the storage tank 1 to clean the storage tank. Close the feeding valve 21, open the sewage discharge valve 20 to discharge the cleaning liquid, then close the sewage discharge valve 20 and open the feeding valve 21. Add an appropriate amount of clean water to the storage tank 1 again for mechanical trial operation and nozzle trial spraying. After normal operation, close the feeding valve 21. Add materials and diluting materials to the storage tank 1 in proportion. The added amount is controlled strictly according to the weight display of the monitor. After stirring for the required time, stop the operation of the driving motor 13, open the feeding valve 21, and conduct trial spraying of the construction materials. After no abnormality, construction can start. According to the change of construction consumption, quickly adjust it to the required consumption. Subsequently, only keep stable operation and intermittently observe the consumption display. One team is equipped with 3 operators. One operator is responsible for spraying construction, and the other 2 operators are auxiliary workers, responsible for adding materials and stirring, moving the trolley with the construction position, moving the protection facilities, observing the change of construction consumption, etc.

[0031] Example 1:

[0032] For the construction of the long guardrail on the highway (without considering transfer and with good weather conditions), using the device of the present utility model, with 3 operators configured, working 8 hours a day, the constructible area is about 2000 m 2 , continuously observe for 7 days, the required construction consumption is about 0.25 Kg / m 2 or so, calculate the average daily construction consumption, and detect the coating thickness, as shown in Table 1 below.

[0033] Table 1

[0034] Time <![CDATA[Construction area (m 2 )]]> Material Consumption (Kg) <![CDATA[Daily average consumption (Kg / m 2 )]]> Coating Thickness (μm) Day 1 2020 500 0.248 24 Day 2 1990 500 0.251 25 Day 3 2005 500 0.249 24 Day 4 2005 500 0.249 25 Day 5 1990 500 0.251 25 Day 6 2005 500 0.249 24 Day 7 2005 500 0.249 24

[0035] Comparative Example 1:

[0036] Using the conventional construction equipment and devices of the existing technology, the team uses a small trolley to carry a material storage tank, a generator, and an airless spraying machine. With 3 operators configured, working 8 hours a day, about 1250 m can be constructed 2 , continuously observe for 7 days, calculate the average daily construction consumption, and detect the coating thickness, as shown in Table 2 below.

[0037] Table 2

[0038] Time <![CDATA[Construction area (m 2 )]]> Material Consumption (Kg) <![CDATA[Daily average consumption (Kg / m 2 )]]> Coating Thickness (μm) Day 1 1300 300 0.231 22 Day 2 1250 300 0.240 24 Day 3 1140 300 0.263 26 Day 4 1210 300 0.248 25 Day 5 1150 300 0.261 25 Day 6 1180 300 0.254 25 Day 7 1220 300 0.246 24

[0039] Calculate the cost of Comparative Example 1. There are 3 labors, the spraying worker is 400 yuan per day, the assistant worker is 350 yuan per day, and the total for 7 days is 7,700 yuan. The total construction area is 8,450 m 2 , and the labor cost per unit area is 0.911 yuan / m 2 . One-time loading is 250 Kg, and the material is delivered 3 times a day. Compared with Example 1, the maximum consumption deviation is 7.6%, with the largest initial deviation. As the managers calculate the average daily construction consumption at the end of each day, the deviation value gradually decreases to about 1.6%.

[0040] Comparative Example 2

[0041] The team uses a pickup truck to carry a material storage tank, a generator, and a paint sprayer. It is equipped with 3 operators and 1 driver, and the construction lasts for 8 hours a day, and about 1,600 m can be constructed 2 . Observe continuously for 7 days, calculate the average daily construction consumption, and detect the coating thickness, as shown in Table 3 below.

[0042] Table 3

[0043] Time <![CDATA[Construction area (m 2 )]]> Material Consumption (Kg) <![CDATA[Daily average consumption (Kg / m 2 )]]> Coating Thickness (μm) Day 1 1720 400 0.233 23 Day 2 1550 400 0.258 26 Day 3 1700 400 0.263 26 Day 4 1560 400 0.256 25 Day 5 1650 400 0.242 24 Day 6 1630 400 0.242 24 Day 7 1580 400 0.253 25

[0044] Calculate the cost of Comparative Example 2. There are 4 labors, the spraying worker is 400 yuan per day, the assistant workers and the driver are 350 yuan per day, and the self-owned vehicle is depreciated and has fuel costs of 200 yuan per day. The total for 7 days is 11,550 yuan. The total construction area is 11,390 m 2 , and the labor and vehicle cost per unit area is 1.014 yuan / m 2 . The materials are all stored in the vehicle, and there is no need for material delivery. The maximum consumption deviation is 6.8%, with the largest initial deviation. As the managers calculate the average daily construction consumption at the end of each day, the deviation value gradually decreases to about 1.2%.

[0045] From the comparison between the examples and the comparative examples, the examples using the device of the present utility model can significantly increase the construction area without increasing vehicles and personnel. While improving efficiency, the construction cost is significantly reduced. Moreover, the daily construction consumption is stable, with a small deviation from the required value, and the coating stability deviation between each construction section is small. It can be predicted that good stability can also be maintained among multiple teams during construction, and there will be no significant differences. Under the daily consumption calculation and requirements of the managers, the consumption deviation of Comparative Examples 1 and 2 can be reduced within a certain range, but it is still relatively large compared with the examples. And generally, the interval time for the managers to calculate the consumption is long, and the deviation is even larger in actual construction. After the daily construction is completed, the examples using the device of the present utility model can quickly complete the flushing and discharging, which not only reduces the daily equipment cleaning and maintenance time, but also the cleaning and discharging are clean, preventing the residue such as paint film from blocking the paint sprayer. In the long run, it effectively extends the working time and service life of the paint sprayer, reduces the maintenance frequency and cost, and has good practical value.

[0046] The present utility model is not limited to the above embodiments. Structures that are the same as or similar to those of the above embodiments of the present utility model are all within the protection scope of the present utility model.

[0047] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model rather than to limit the technical solutions. Those of ordinary skill in the art should understand that any modifications or equivalent replacements made to the technical solutions of the present utility model without departing from the spirit and scope of the technical solutions should be covered within the scope of the claims of the present utility model.

Claims

1. A movable on-site metering and mixing device for bridge and tunnel painting, characterized in that, The device includes a transportation device, a stirring and storage device, and a metering and display device; Among them, the stirring and storage device includes a storage tank (1) and a stirring device. The storage tank is a barrel-shaped structure with one end open and the other end closed. The storage tank is arranged vertically with the opening at the upper end. The storage tank is located above one side of the transportation device, and its bottom is detachably and fixedly connected to the transportation device. A discharge port is provided at the bottom of the storage tank, and one end of the discharge pipe (3) is connected to the discharge port. The other end of the discharge pipe passes through the side wall of the storage tank and extends to the outside of the storage tank for discharging the liquid in the storage tank. A stirring device is provided in the storage tank. The stirring device is located above the storage tank and is fixedly connected to the storage tank through a support member. The stirring device can stir the liquid in the storage tank; The metering and display device includes a weighing sensor and a display (4). The measuring end of the weighing sensor is located below the storage tank and is detachably and fixedly connected to the transportation device for detecting the weight of the liquid in the storage tank. Its signal output end is circuit-connected to the display, and the weighing result is displayed through the display. The display is arranged on one side outside the storage tank and is detachably and fixedly connected to the transportation device; On the surface of the transportation device on the side away from the storage tank, a reserved area A (5) and a reserved area B (6) are recessed vertically downward. The reserved area A and the reserved area B are spaced apart along the width direction of the transportation device. The reserved area A is used to place a high-pressure airless spraying machine, and the high-pressure airless spraying machine is detachably and fixedly connected to the reserved area A. The high-pressure airless spraying machine is connected to the discharge pipe through a pipeline for coating spraying. The reserved area B is used to place a generator, and the bottom of the generator is detachably and fixedly connected to the reserved area B. The generator is used to supply power to the stirring device, the high-pressure airless spraying machine, and the metering and display device.

2. The device according to claim 1, characterized in that, A bottom plate (7) is provided inside the storage tank and near one side of its bottom. The periphery of the bottom plate is fixedly connected to the inner side wall of the storage tank, and the center of the bottom plate protrudes vertically towards the bottom of the storage tank, so that the straight-line distance from the center of the bottom plate to the bottom of the storage tank is less than the straight-line distance from the four edges of the bottom plate to the bottom of the storage tank. The discharge port is located at the center of the bottom plate.

3. The device according to claim 2, wherein, The transportation device includes a trolley panel (8). A plurality of universal wheels (9) are provided below the trolley panel. The universal wheels are spaced apart along the circumferential direction of the trolley and are fixedly connected to the lower side surface of the trolley panel. A braking structure capable of braking is provided on the universal wheels. When moving to a predetermined position, the braking structure can brake the universal wheels to prevent them from moving further. An armrest (10) is provided on one side of the trolley panel close to the storage tank. The armrest is U-shaped, with both ends fixedly connected to one side of the trolley panel, and the other end extends vertically upward to form a gripping end.

4. The device according to claim 1, wherein The stirring device includes a stirring rod (11), a plurality of stirring blades (12), and a driving motor (13); the driving end of the driving motor is fixedly connected to one end of the stirring rod, and one end of the plurality of stirring blades is fixedly connected to the other end of the stirring rod and is evenly spaced along the circumferential direction of the stirring rod.

5. The device according to claim 4, wherein The supporting member comprises a plurality of connecting sleeves I (14), connecting sleeves II (15) and fixing rods (16); the two connecting sleeves I are respectively located on the outer sides of the upper end of the storage tank, which are away from each other, and are respectively fixedly connected to the outer side walls of the storage tank; the two connecting sleeves II are respectively located on the two sides of the driving motor, which are away from each other, and are respectively fixedly connected to the driving motor; a plurality of connecting holes are arranged at intervals along the length direction of the connecting sleeve I, and a plurality of positioning holes are arranged at positions corresponding to the connecting holes on the fixing rod; one end of the fixing rod is fixedly connected to the connecting sleeve I by passing through the connecting hole and the positioning hole at the same time through the plug (17), and the other end of the fixing rod is fixedly connected to the connecting sleeve II.

6. The device according to claim 1, wherein A sewage discharge pipe (18) and a feed pipe (19) are also provided at the other end of the discharge pipe; one end of the sewage discharge pipe is connected to the discharge pipe, and a sewage discharge valve (20) is provided at the other end of the sewage discharge pipe; one end of the feed pipe is connected to the discharge pipe, and a filter is provided at the connection point, and a feed valve (21) is provided at the other end of the feed pipe.

7. The device according to claim 1, characterized in that, The measuring and displaying device also includes a controller, which is used to receive data sent by the weighing sensor, calculate the rate of weight change according to the data, and send the calculation result to the display for display.

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