Guardrail spraying device

Abstract

This utility model discloses a guardrail spraying device, which includes a mobile frame. A connecting frame is fixed to one side of the top of the mobile frame. Two mounting plates are slidably fitted on the inner wall of the bottom end of the connecting frame. Multiple nozzles are mounted on the outer wall of each of the two mounting plates on opposite sides. A grating sensor is fixed to the outer wall of each of the two mounting plates on opposite sides. An infusion pump is installed on one side of a liquid storage tank. The infusion pump is connected to the multiple nozzles through pipes. Solenoid valves are installed at the connection points between the multiple nozzles and the pipes. Photoelectric sensors are installed on the outer walls of each of the two opposite sides. By setting up two mounting plates, a grating sensor, a photoelectric sensor, and solenoid valves, this utility model can automatically determine the height of the guardrail. Based on the height of the guardrail, it controls the opening and closing of multiple solenoid valves to adjust the spraying range and spray both sides of the guardrail simultaneously. Furthermore, it will not spray when the nozzles are aligned with the gap between the guardrail, avoiding paint from spraying out of the gap and causing waste.

Description

Technical Field

[0001] This utility model relates to the field of spraying device technology, and in particular to a guardrail spraying device. Background Technology

[0002] Guardrails, also known as safety railings, are mainly used in residential areas, highways, commercial areas, public places and other places to protect personal safety and equipment facilities. For the purpose of rust prevention and aesthetics, a protective layer is usually sprayed on the surface of the guardrails.

[0003] A search revealed a Chinese patent publication number CN219334631U, which discloses a highway maintenance guardrail spraying device, including a mobile vehicle, a lifting assembly, and a spraying assembly. The mobile vehicle has symmetrical supports on both sides of its upper surface, and a lifting plate is provided above the supports. Multiple mounting holes are evenly spaced on the lifting plate. The lifting assembly is installed on both sides below the lifting plate, and the lifting assembly includes a screw cylinder fixedly installed below the lifting plate. The screw cylinder passes through the support and extends downward to be threadedly connected to a screw rod. One end of the screw rod is rotatably mounted on the support, and a first gear is fixedly sleeved on the screw rod.

[0004] This patent, by setting up a lifting component and a painting component, enables the painting component to drive the spray head to move up and down when painting the protective railing. This allows the spray head to paint at different heights on the protective railing, avoiding the arm pain caused by workers holding the spray head for a long time. It effectively reduces the labor intensity of workers and improves the painting efficiency of the protective railing. However, it can only paint one side of the railing at a time, and because there are gaps in the structure of the railing, some of the sprayed paint will pass through the gaps, resulting in waste. Utility Model Content

[0005] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a guardrail spraying device.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A guardrail spraying device includes a mobile frame. A connecting frame, which is L-shaped, is fixed to one side of the top of the mobile frame. Two mounting plates are slidably fitted on the inner walls of the bottom of the connecting frame. Multiple nozzles are mounted on the outer walls of opposite sides of the two mounting plates. A grating sensor is fixed to the outer walls of opposite sides of the two mounting plates, located on one side of the nozzle. A liquid storage tank is fixed to the outer wall of the top of the mobile frame. A liquid pump is installed on one side of the liquid storage tank. The liquid pump is connected to the multiple nozzles through pipes. A solenoid valve is installed at the connection between the multiple nozzles and the pipes. Photoelectric sensors are installed on the outer walls of opposite sides, and the photoelectric sensors are aligned with the multiple nozzles.

[0008] As a further improvement of this invention: the nozzles located on the same mounting plate are arranged vertically in a straight line, with the nozzles facing away from the grating sensor.

[0009] As a further improvement of this utility model: a support frame is fixed to the bottom of the outer wall of the opposite side of the mounting plate, and a guide plate is fixed to the outer wall of the adjacent side of the two support frames, with the end of the guide plate away from the support frame tilting upward.

[0010] As a further embodiment of this utility model: a collection box is slidably fitted on the inner wall of the support frame, the top outer wall of the collection box is lower than the top of the guide plate, and an elastic protrusion is provided on the inner wall of the support frame to limit the position of the collection box.

[0011] As a further improvement of this utility model: a guide groove is provided on the inner wall of the top of the connecting frame, and a bidirectional screw is rotatably connected to the inner wall of the guide groove. The bidirectional screw is threadedly engaged with the mounting plate, and a motor for driving the guide groove to rotate is installed on the outer wall of one side of the connecting frame.

[0012] As a further improvement of this utility model: the side wall of the mounting plate is fixed with a plurality of guide cylinders located on one side of the nozzle, and the plurality of guide cylinders are arranged in a straight line.

[0013] As a further improvement of this utility model: a fan is installed on the inner wall of the guide cylinder, and multiple heating wires located on one side of the fan are fixed on the inner wall of the guide cylinder.

[0014] Compared with the prior art, the present invention provides a guardrail spraying device, which has the following beneficial effects:

[0015] 1. This utility model, by setting two mounting plates, a grating sensor, a photoelectric sensor and a solenoid valve, can automatically determine the height of the guardrail. According to the height of the guardrail, it controls the opening and closing of multiple solenoid valves to adjust the spraying range and spray both sides of the guardrail at the same time. Moreover, it will not spray when the nozzle is aligned with the gap of the guardrail, so as to avoid paint spraying out from the gap of the guardrail and causing waste.

[0016] 2. This utility model, by providing a support frame, a guide plate, and a collection box, can collect dripping paint and prevent it from dripping onto the ground at the bottom of the guardrail.

[0017] 3. This utility model, by being equipped with a guide cylinder, a fan and a heating wire, can blow hot air onto the surface of the guardrail to accelerate the solidification of the paint.

[0018] The parts of this device not covered herein are the same as or can be implemented using existing technologies. This utility model has a simple structure and is easy to operate. Attached Figure Description

[0019] Figure 1This is a schematic diagram of the overall structure of a guardrail spraying device proposed in this utility model;

[0020] Figure 2 This is a schematic diagram of the internal structure of a guardrail spraying device proposed in this utility model;

[0021] Figure 3 This is a partial structural schematic diagram of a guardrail spraying device proposed in this utility model;

[0022] Figure 4 This is a schematic diagram of the guide cylinder of a guardrail spraying device proposed in this utility model.

[0023] In the diagram: 1. Mobile frame; 2. Liquid storage tank; 3. Infusion pump; 4. Connecting frame; 5. Mounting plate; 6. Optical grating sensor; 7. Guide groove; 8. Bidirectional screw; 9. Motor; 10. Nozzle; 11. Photoelectric sensor; 12. Solenoid valve; 13. Support frame; 14. Guide plate; 15. Collection box; 16. Guide cylinder; 17. Fan; 18. Heating wire. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0025] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0026] Example 1

[0027] A guardrail spraying device, such as Figures 1 to 3As shown, the device includes a mobile frame 1. A connecting frame 4 is fixed to one side of the top of the mobile frame 1. The connecting frame 4 is L-shaped. Two mounting plates 5 are slidably fitted on the inner wall of the bottom end of the connecting frame 4. Multiple nozzles 10 are installed on the outer wall of the opposite side of the two mounting plates 5. The nozzles 10 located on the same mounting plate 5 are arranged vertically in a straight line. A grating sensor 6 is fixed to the outer wall of the opposite side of the two mounting plates 5. The grating sensor 6 is located on one side of the nozzle 10, and the nozzle 10 faces away from the grating sensor 6. A liquid storage tank 2 is fixed to the outer wall of the top of the mobile frame 1. An infusion pump 3 is installed on one side of the liquid storage tank 2. The infusion pump 3 is connected to the multiple nozzles 10 through pipes. A solenoid valve 12 is provided at the connection between the multiple nozzles 10 and the pipes. Photoelectric sensors 11 are installed on the outer walls of the two opposite sides. The photoelectric sensors 11 and the multiple nozzles 10 are in the same straight line.

[0028] Each of the mounting plates 5 has a support frame 13 fixed to the bottom of its opposite outer wall. Each of the two support frames 13 has a guide plate 14 fixed to its adjacent outer wall. The guide plate 14 is inclined upward at the end away from the support frame 13. A collection box 15 is slidably fitted on the inner wall of the support frame 13. The top outer wall of the collection box 15 is lower than the top height of the guide plate 14. An elastic protrusion is provided on the inner wall of the support frame 13 to limit the position of the collection box 15.

[0029] The inner wall of the top of the connecting frame 4 is provided with a guide groove 7, and a bidirectional screw 8 is rotatably connected to the inner wall of the guide groove 7. The bidirectional screw 8 is threadedly engaged with the mounting plate 5. A motor 9 that drives the guide groove 7 to rotate is installed on the outer wall of one side of the connecting frame 4.

[0030] During spraying, the two mounting plates 5 are positioned on both sides of the guardrail. Then, the motor 9 drives the bidirectional screw 8 to rotate, causing the two mounting plates 5 to move closer to the guardrail along the guide groove 7. The guide plate 14 is located on both sides of the bottom end of the guardrail. Then, the moving frame 1 is pushed to move along the guardrail. The height of the guardrail is determined by the guardrail's obstruction of the light from the grating sensor 6. Based on the height of the guardrail, the opening and closing of multiple solenoid valves 12 are controlled to adjust the spraying range of multiple nozzles 10. Then, when the photoelectric sensor 11 detects that the guardrail passes between the nozzles 10 on the two mounting plates 5, the infusion pump 3 starts and delivers the paint liquid in the storage tank 2 through the pipeline. It is then sprayed out from the nozzles 10 through the opened solenoid valve 12. The dripping paint liquid is guided by the guide plate 14 and enters the collection box 15 for collection. When the photoelectric sensor 11 does not detect the guardrail, the infusion pump 3 is turned off to prevent paint liquid from spraying out from the gaps in the guardrail and causing waste. After spraying is completed, the collection box 15 is pulled out from the support frame 13 for cleaning.

[0031] By setting up two mounting plates 5, a grating sensor 6, a photoelectric sensor 11, and a solenoid valve 12, the height of the guardrail can be automatically determined. Based on the height of the guardrail, the opening and closing of multiple solenoid valves 12 can be controlled to adjust the spraying range and spray both sides of the guardrail simultaneously. Furthermore, spraying will not be performed when the nozzle 10 is aligned with the gap of the guardrail to avoid paint spraying out from the gap of the guardrail and causing waste.

[0032] By setting up a support frame 13, a guide plate 14, and a collection box 15, the dripping paint can be collected, preventing the paint from dripping onto the ground at the bottom of the guardrail.

[0033] Example 2

[0034] A guardrail spraying device, this embodiment is based on embodiment 1, with the following improvements, such as... Figure 1 , Figure 4 As shown, the mounting plate 5 has multiple guide cylinders 16 fixed on one side of the nozzle 10. The multiple guide cylinders 16 are arranged in a straight line. A fan 17 is installed on the inner wall of the guide cylinder 16. Multiple heating wires 18 are fixed on one side of the fan 17 on the inner wall of the guide cylinder 16.

[0035] During the spraying process, the fan 17 blows airflow onto the surface of the guardrail. When the airflow passes through the guide cylinder 16, it is heated by the heating wire 18, and the heated air accelerates the solidification of the paint.

[0036] By incorporating a guide cylinder 16, a fan 17, and a heating wire 18, hot air can be blown onto the surface of the guardrail to accelerate the solidification of the paint.

[0037] Working principle: During spraying, the two mounting plates 5 are positioned on both sides of the guardrail. Then, the motor 9 drives the bidirectional screw 8 to rotate, causing the two mounting plates 5 to move closer to the guardrail along the guide groove 7. The guide plates 14 are located on both sides of the bottom end of the guardrail. Then, the moving frame 1 is pushed to move along the guardrail. The height of the guardrail is determined by the obstruction of light from the grating sensor 6 by the guardrail. Based on the height of the guardrail, the opening and closing of multiple solenoid valves 12 is controlled to adjust the spraying range of multiple nozzles 10. Then, when the photoelectric sensor 11 detects that the guardrail passes between the nozzles 10 on the two mounting plates 5, liquid is injected. Pump 3 starts and delivers the paint liquid in storage tank 2 through the pipeline. It is then sprayed out from nozzle 10 through the opened solenoid valve 12. Fan 17 blows airflow onto the guardrail surface. When the airflow passes through guide cylinder 16, it is heated by heating wire 18. The heated air accelerates the solidification of the paint liquid. The dripping paint liquid is guided by guide plate 14 and enters collection box 15 for collection. When photoelectric sensor 11 does not detect the guardrail, pump 3 is turned off to prevent paint liquid from spraying out from the gaps in the guardrail and causing waste. After the spraying is completed, collection box 15 is pulled out from support frame 13 for cleaning.

[0038] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A guardrail spraying device, comprising a mobile frame (1), characterized in that, A connecting frame (4) is fixed on one side of the top of the mobile frame (1). The connecting frame (4) is L-shaped. Two mounting plates (5) are slidably fitted on the inner wall of the bottom end of the connecting frame (4). Multiple nozzles (10) are installed on the outer wall of the opposite side of the two mounting plates (5). A grating sensor (6) is fixed on the outer wall of the opposite side of the two mounting plates (5). The grating sensor (6) is located on one side of the nozzle (10). A liquid storage tank (2) is fixed on the outer wall of the top of the mobile frame (1). An infusion pump (3) is installed on one side of the liquid storage tank (2). The infusion pump (3) is connected to multiple nozzles (10) through a pipe. A solenoid valve (12) is provided at the connection between the multiple nozzles (10) and the pipe. A photoelectric sensor (11) is installed on the outer wall of the opposite side. The photoelectric sensor (11) and the multiple nozzles (10) are on the same straight line.

2. The guardrail spraying device according to claim 1, characterized in that, The nozzles (10) located on the same mounting plate (5) are arranged vertically in a straight line, with the nozzles (10) facing away from the grating sensor (6).

3. The guardrail spraying device according to claim 1, characterized in that, The mounting plate (5) is fixed with a support frame (13) on the bottom of the outer wall on the opposite side. The two support frames (13) are fixed with a guide plate (14) on the outer wall on the adjacent side. The guide plate (14) is inclined upward at the end away from the support frame (13).

4. A guardrail spraying device according to claim 3, characterized in that, The inner wall of the support frame (13) is slidably fitted with a collection box (15). The outer wall of the top of the collection box (15) is lower than the top of the guide plate (14). The inner wall of the support frame (13) is provided with an elastic protrusion to limit the position of the collection box (15).

5. A guardrail spraying device according to claim 1, characterized in that, The connecting frame (4) has a guide groove (7) on its inner wall at the top. A bidirectional screw (8) is rotatably connected to the inner wall of the guide groove (7). The bidirectional screw (8) is threadedly engaged with the mounting plate (5). A motor (9) that drives the guide groove (7) to rotate is installed on the outer wall of one side of the connecting frame (4).

6. A guardrail spraying device according to claim 1, characterized in that, The mounting plate (5) has multiple guide cylinders (16) fixed on one side of the nozzle (10), and the multiple guide cylinders (16) are arranged in a straight line.

7. A guardrail spraying device according to claim 6, characterized in that, A fan (17) is installed on the inner wall of the guide cylinder (16), and multiple heating wires (18) located on one side of the fan (17) are fixed on the inner wall of the guide cylinder (16).

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