Pressure-adjustable nozzle structure

Abstract

The utility model discloses a pressure-adjustable nozzle structure, which belongs to the technical field of outer wall coating spraying construction of a large silo unmanned aerial vehicle and comprises an electric controller / electric cylinder, an operating rod, a spring, a one-way pressure sensor, a liquid inlet pipeline and a nozzle. The electric controller is electrically pushed to move or the electric cylinder controls the piston rod to move, so that the operating rod drives the spring to contract and react on the one-way pressure sensor, and the one-way pressure sensor transmits a measured pressure value back to the unmanned aerial vehicle; and the electric controller or the electric cylinder starts to do compression acceleration motion along the repeated track. When the spring is stretched, the coating enters the liquid inlet pipeline under atmospheric pressure, and when the spring is compressed, the coating is accelerated and then sprayed out of the nozzle through the liquid inlet pipeline, and spraying operation is completed. According to the utility model, an unmanned aerial vehicle system is connected with the device through a circuit, the accuracy of pressure regulation and control is ensured, a full-mechanical system is used for regulation and control, the manual operation is reduced, and the labor cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to large -scale silo unmanned plane spraying outer wall paint construction technical field, specifically it is a kind of adjustable pressure type nozzle structure. BACKGROUND

[0002] With the development of society, the construction of large industrial building, the span and height of single body have greatly increased the difficulty of construction. The original operation mode of building outer wall surface spraying paint mostly adopts manual operation, and the labor intensity is high, the risk is high, and the efficiency is low. Paint mist is harmful to the body of spraying workers, and long-term engagement in outer wall spraying operation may cause respiratory system occupational diseases. Although there is semi-mechanized auxiliary traction and carrying equipment, manual spraying operation cannot be avoided.

[0003] In the spraying operation of unmanned plane, the mainstream way at present is to install the spraying device on the unmanned plane platform, and according to the required spraying capacity and load capacity, the size and capacity are increased in volume and function. But in essence, the unmanned plane system and the carried spraying system are independent. In application, due to the comprehensive use of unmanned plane flight control and spraying work, the independent system exists certain coordination problem in operation, so that the function and performance of the aerial spraying system based on unmanned plane flight platform are limited. SUMMARY

[0004] The utility model aims at solving the problems in the background art, and provides a kind of adjustable pressure type nozzle structure.

[0005] The technical scheme of the utility model for realizing the above-mentioned purpose is as follows:

[0006] Scheme one:

[0007] An adjustable pressure type nozzle structure, including outer wall pipe, sealing plate, electric controller, operating rod, spring, base, one-way pressure sensor, flow expander, liquid inlet pipeline, one-way valve, nozzle;The sealing plate is located in the outer wall pipe and is slidably connected with the outer wall pipe, the electric controller is sleeved on the operating rod and is fixedly connected with the operating rod, one end of the operating rod is fixedly connected with the sealing plate;The base is fixedly connected with the outer wall pipe, the spring is located in the outer wall pipe and one end is fixedly connected with the base, the other end of the spring is fixedly connected with the sealing plate;The one-way pressure sensor is fixedly connected with the sealing plate, and the spring is attached to the one-way pressure sensor;The outer wall pipe is fixedly connected with one end of the flow expander, the other end of the flow expander is fixedly connected with the liquid inlet pipeline, the one-way valve is located in the liquid inlet pipeline and is fixedly connected with the liquid inlet pipeline, and the nozzle is installed at the end of the liquid inlet pipeline.

[0008] Further, the outer wall pipe is fixedly connected on the unmanned plane system, and the electric controller and the one-way pressure sensor are connected with the unmanned plane system.

[0009] Further, the operating rod is a hollow structure, and wires for connecting the one-way pressure sensor, the electric controller and the unmanned aerial vehicle system pass through the center of the operating rod.

[0010] Scheme two:

[0011] An adjustable pressure nozzle structure, characterized in that, comprising an outer wall pipe, a sealing plate, an electric cylinder, an operating rod, a spring, a base, a one-way pressure sensor, a flow expander, a liquid inlet pipe, a one-way valve and a nozzle; the sealing plate is located in the outer wall pipe and is in sliding connection with the outer wall pipe, one end of the operating rod is fixedly connected with the sealing plate; the electric cylinder is located in the outer wall pipe and is fixedly connected with the outer wall pipe, the piston rod end of the electric cylinder is fixedly connected with the operating rod; the base is fixedly connected with the outer wall pipe, the spring is located in the outer wall pipe and one end of the spring is fixedly connected with the base, the other end of the spring is fixedly connected with the sealing plate; the one-way pressure sensor is fixedly connected with the sealing plate, and the spring is attached to the one-way pressure sensor; one end of the outer wall pipe is fixedly connected with the flow expander, the other end of the flow expander is fixedly connected with the liquid inlet pipe, the one-way valve is located in the liquid inlet pipe and is fixedly connected with the liquid inlet pipe, and the nozzle is installed at the end of the liquid inlet pipe.

[0012] Further, the outer wall pipe is fixedly connected to the unmanned aerial vehicle system, and the electric cylinder and the one-way pressure sensor are connected to the unmanned aerial vehicle system.

[0013] Further, the operating rod is a hollow structure, and wires for connecting the one-way pressure sensor, the electric controller and the unmanned aerial vehicle system pass through the center of the operating rod.

[0014] In the above two technical schemes, the liquid inlet pipe is provided with a filter screen, and the filter screen is fixedly connected with the liquid inlet pipe; the nozzle is connected with the end of the liquid inlet pipe through thread engagement; and the operating rod is coaxially arranged with the sealing plate.

[0015] The adjustable pressure nozzle structure has the following beneficial effects:

[0016] The device is first sprayed by the unmanned aerial vehicle laboratory, solves the spraying speed, distance and pressure parameter problems, sets the required pressure parameter in the unmanned aerial vehicle system, connects the circuit, and starts to move left and right by the electric power driven electric controller or the piston rod driven by the electric cylinder. Since the electric controller is tightly nested on the operating rod and the piston rod of the electric cylinder is fixedly connected with the operating rod, the operating rod is slid, the sealing plate is slid in the outer wall pipe, the spring is compressed, the one-way pressure sensor on the sealing plate is acted, the one-way pressure sensor transmits the measured pressure value back to the unmanned aerial vehicle system through the electric controller, and when the preset pressure value is reached, the electric controller or the electric cylinder determines to start the compression position and starts to make compression acceleration movement along the repeated track. When the spring is stretched, the internal pressure is less than the external pressure, the coating is subjected to atmospheric pressure to enter the liquid inlet pipeline; when the spring is compressed, the pressure increases, and since the one-way valve cannot return, the coating is forced to accelerate and is sprayed from the nozzle along the liquid inlet pipeline, and the spraying work is completed. The flow expander between the outer wall pipe and the liquid inlet pipeline can smoothly flow the fluid and reduce the turbulence phenomenon.

[0017] Compared with the prior art, the unmanned aerial vehicle system and the device are connected through the circuit, the accuracy of pressure regulation is ensured, the full mechanical system is used for regulation, manual operation is reduced, and labor cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a schematic diagram of the cross section internal structure of the device of the utility model in embodiment 1.

[0019] Figure 2 is a schematic diagram of the cross section internal structure of the device of the utility model in embodiment 1.

[0020] Figure 3 is a schematic diagram of the cross section internal structure of the device of the utility model in embodiment 2.

[0021] Figure 4 is a schematic diagram of the cross section internal structure of the device of the utility model in embodiment 2.

[0022] In the figure: 1, outer wall pipe; 2, sealing plate; 3, electric controller; 4, operating rod; 5, spring; 6, base; 7, one-way pressure sensor; 8, flow expander; 9, liquid inlet pipeline; 10, one-way valve; 11, nozzle; 12, filter screen; 13, electric cylinder. DETAILED DESCRIPTION

[0023] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only some embodiments of the utility model, not all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0024] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "upper / lower end", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like is the orientation or position relationship shown based on the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.

[0025] In the description of the utility model, it needs to be explained that unless otherwise explicitly specified and limited, the terms "mounting", "setting / suiting", "sleeving", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances. Embodiment 1

[0026] As shown in Figure 1 and Figure 2 , the embodiment provides a pressure-adjustable nozzle structure, which comprises an outer wall pipe 1, a sealing plate 2, an electric controller 3, an operating rod 4, a spring 5, a base 6, a one-way pressure sensor 7, a flow expander 8, a liquid inlet pipeline 9, a one-way valve 10 and a nozzle 11; the sealing plate 2 is located in the outer wall pipe 1 and is in sliding connection with the outer wall pipe 1, the electric controller 3 is sleeved on the operating rod 4 and is fixedly connected with the operating rod 4, and one end of the operating rod 4 is fixedly connected with the sealing plate 2; the base 6 is fixedly connected with the outer wall pipe 1, the spring 5 is located in the outer wall pipe 1 and one end of the spring 5 is fixedly connected with the base 6, and the other end of the spring 5 is fixedly connected with the sealing plate 2; the one-way pressure sensor 7 is fixedly connected with the sealing plate 2, and the spring 5 is attached to the one-way pressure sensor 7; one end of the outer wall pipe 1 is fixedly connected with the flow expander 8, the other end of the flow expander 8 is fixedly connected with the liquid inlet pipeline 9, the one-way valve 10 is located in the liquid inlet pipeline 9 and is fixedly connected with the liquid inlet pipeline 9, and the nozzle 11 is installed at the end of the liquid inlet pipeline 9.

[0027] In the embodiment, the outer wall pipe 1 is fixedly connected to the unmanned aerial vehicle system, and the electric controller 3 and the one-way pressure sensor 7 are connected to the unmanned aerial vehicle system. The central controller is arranged in the unmanned aerial vehicle system, and can control the normal operation of the electric controller 3 and the one-way pressure sensor 7.

[0028] In the embodiment, the operating rod 4 is a hollow structure, and wires between the one-way pressure sensor 7, the electric controller 3 and the unmanned aerial vehicle system pass through the center of the operating rod 4. The hollow operating rod 4 can hide and protect the wires.

[0029] In the embodiment, the liquid inlet pipe 9 is provided with a filter screen 12, and the filter screen 12 is fixedly connected to the liquid inlet pipe 9. The filter screen 12 on the liquid inlet pipe 9 can remove impurities in the paint, ensure the purity of the paint, and prevent blockage.

[0030] In the embodiment, the nozzle 11 is threadedly engaged with the end of the liquid inlet pipe 9. According to actual conditions, the nozzle 11 of a corresponding specification can be replaced to meet more spraying requirements.

[0031] In the embodiment, the operating rod 4 is coaxially arranged with the sealing plate 2. The operating rod 4 with the same axis can more stably push the sealing plate 2 with the same axis when sliding. Embodiment 2

[0032] As shown in Figure 3 and Figure 4 The embodiment provides a pressure-adjustable nozzle structure, which is characterized by comprising an outer wall pipe 1, a sealing plate 2, an electric cylinder 13, an operating rod 4, a spring 5, a base 6, a one-way pressure sensor 7, a flow expander 8, a liquid inlet pipe 9, a one-way valve 10, and a nozzle 11. The sealing plate 2 is located in the outer wall pipe 1 and is in sliding connection with the outer wall pipe 1. One end of the operating rod 4 is fixedly connected to the sealing plate 2. The electric cylinder 13 is located in the outer wall pipe 1 and is fixedly connected to the outer wall pipe 1. The piston rod end of the electric cylinder 13 is fixedly connected to the operating rod 4. The base 6 is fixedly connected to the outer wall pipe 1. The spring 5 is located in the outer wall pipe 1, one end of the spring 5 is fixedly connected to the base 6, and the other end of the spring 5 is fixedly connected to the sealing plate 2. The one-way pressure sensor 7 is fixedly connected to the sealing plate 2, and the spring 5 is attached to the one-way pressure sensor 7. The outer wall pipe 1 is fixedly connected to one end of the flow expander 8. The other end of the flow expander 8 is fixedly connected to the liquid inlet pipe 9. The one-way valve 10 is located in the liquid inlet pipe 9 and is fixedly connected to the liquid inlet pipe 9. The nozzle 11 is installed at the end of the liquid inlet pipe 9.

[0033] In the embodiment, the outer wall pipe 1 is fixedly connected to the unmanned aerial vehicle system, and the electric cylinder 13 and the one-way pressure sensor 7 are connected to the unmanned aerial vehicle system. The central controller is arranged in the unmanned aerial vehicle system, and can control the normal operation of the electric cylinder 13 and the one-way pressure sensor 7.

[0034] In the embodiment, the operating rod 4 is a hollow structure, and wires connected between the one-way pressure sensor 7, the electric cylinder 13 and the unmanned aerial vehicle system pass through the center of the operating rod 4. The hollow operating rod 4 can hide and protect the wires.

[0035] In the embodiment, the filter screen 12 is arranged on the liquid inlet pipe 9 and fixedly connected to the liquid inlet pipe 9. The filter screen 12 on the liquid inlet pipe 9 can remove impurities in the paint, ensure the purity of the paint, and prevent blockage.

[0036] In the embodiment, the nozzle 11 is connected to the end of the liquid inlet pipe 9 through thread engagement. The nozzle 11 can be replaced according to the actual situation to meet more spraying requirements.

[0037] In the embodiment, the operating rod 4 is coaxially arranged with the sealing plate 2. The operating rod 4 with the same axis can more stably push the sealing plate 2 with the same axis when sliding.

[0038] Through the skill of the art, all electrical components in the case are connected to the power supply through wires, and the appropriate controller should be selected according to the actual situation to meet the control requirements. The specific connection and control sequence should be referred to the working principle below to complete the electrical connection in the order of the working sequence of each electrical component. The detailed connection means is a well-known technology in the art. The working principle and process are mainly introduced below, and the electrical control is not described.

[0039] In the above two embodiments, the electric pressure regulating system is composed of the operating rod 4, the one-way pressure sensor 7, the electric controller 3 / the electric cylinder 13 and the unmanned aerial vehicle system 13, and the pressure regulating nozzle system is formed by the electric pressure regulating system and the nozzle 11.

[0040] In the above two embodiments: First, test spray by the unmanned aerial vehicle laboratory, solve the spraying speed, distance, pressure parameter problem, set the required pressure parameter in the unmanned aerial vehicle system 13, turn on the circuit, start the left and right movement by the electric power driven electric controller 3 or the piston rod driven by the electric cylinder 13 work, because the electric controller 3 is tightly nested on the operating rod 4 and because the piston rod of the electric cylinder 13 is fixedly connected with the operating rod 4, so the operating rod 4 is driven to slide, the operating rod 4 drives the sealing plate 2 to slide in the outer wall pipe 1, the spring 5 is compressed, and the measured pressure value is transmitted back to the unmanned aerial vehicle system 13 through the circuit, and when the preset pressure value is reached, the electric controller 3 or the electric cylinder 13 determines to start the compression position, and starts the compression acceleration movement along the repeated track. When the spring 5 is stretched, the internal pressure is less than the external pressure, and the coating is subjected to atmospheric pressure into the liquid inlet pipe 9; when the spring 5 is compressed, the pressure increases, and at the same time, the coating cannot flow back due to the action of the one-way valve 10, so the coating is forced to accelerate and then sprayed from the nozzle 11 along the liquid inlet pipe 9, completing the spraying work. The flow expander 8 between the outer wall pipe 1 and the liquid inlet pipe 9 can smooth the fluid flow and reduce the turbulence phenomenon. The filter screen 12 on the liquid inlet pipe 9 can remove impurities in the coating to ensure the purity of the coating and prevent clogging. The one-way valve 10 prevents the coating from flowing back. The nozzle 11 has various specifications, and the corresponding specification of the nozzle 11 can be replaced by threads according to the actual situation to meet more spraying needs.

[0041] It should be noted that in this document, the terms "comprise", "comprising", or any other variant thereof are intended to cover non-exclusive inclusions, so that processes, methods, articles, or devices that include a series of elements not only include those elements, but also include other elements not explicitly listed, or inherent to such processes, methods, articles, or devices. Without more limitations.

[0042] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An adjustable pressure nozzle structure, characterized by, The utility model provides a kind of nozzle, including outer wall pipe (1), sealing plate (2), electric controller (3), operating lever (4), spring (5), base (6), one-way pressure sensor (7), flow expander (8), liquid inlet pipeline (9), one-way valve (10), nozzle (11);The sealing plate (2) is located in outer wall pipe (1) and is slidably connected with outer wall pipe (1), the electric controller (3) is sleeved on operating lever (4) and is fixedly connected with operating lever (4), and one end of the operating lever (4) is fixedly connected with sealing plate (2);The base (6) is fixedly connected with outer wall pipe (1), the spring (5) is located in outer wall pipe (1) and one end is fixedly connected with base (6), and the other end of the spring (5) is fixedly connected with sealing plate (2);The one-way pressure sensor (7) is fixedly connected with sealing plate (2), and the spring (5) is attached with one-way pressure sensor (7);Outer wall pipe (1) is fixedly connected with one end of flow expander (8), the other end of flow expander (8) is fixedly connected with liquid inlet pipeline (9), the one-way valve (10) is located in liquid inlet pipeline (9) and is fixedly connected with liquid inlet pipeline (9), and nozzle (11) is installed in the end of liquid inlet pipeline (9).

2. A pressure-adjustable nozzle structure, characterized by comprising: The utility model provides a kind of nozzle, including outer wall pipe (1), sealing plate (2), electric cylinder (13), operating lever (4), spring (5), base (6), one-way pressure sensor (7), flow expander (8), liquid inlet pipeline (9), one-way valve (10), nozzle (11);The sealing plate (2) is located in outer wall pipe (1) and is slidably connected with outer wall pipe (1), and one end of the operating lever (4) is fixedly connected with sealing plate (2);The electric cylinder (13) is located in outer wall pipe (1) and is fixedly connected with outer wall pipe (1), and the piston rod end of the electric cylinder (13) is fixedly connected with operating lever (4);The base (6) is fixedly connected with outer wall pipe (1), the spring (5) is located in outer wall pipe (1) and one end is fixedly connected with base (6), and the other end of the spring (5) is fixedly connected with sealing plate (2);The one-way pressure sensor (7) is fixedly connected with sealing plate (2), and the spring (5) is attached with one-way pressure sensor (7);Outer wall pipe (1) is fixedly connected with one end of flow expander (8), the other end of flow expander (8) is fixedly connected with liquid inlet pipeline (9), the one-way valve (10) is located in liquid inlet pipeline (9) and is fixedly connected with liquid inlet pipeline (9), and nozzle (11) is installed in the end of liquid inlet pipeline (9).

3. The pressure-adjustable nozzle structure according to claim 1, wherein The outer wall pipe (1) is fixedly connected on unmanned aerial vehicle system, and the electric controller (3) and the one-way pressure sensor (7) are connected with the unmanned aerial vehicle system.

4. The pressure-adjustable nozzle structure according to claim 2, wherein The outer wall pipe (1) is fixedly connected on unmanned aerial vehicle system, and the electric cylinder (13) and the one-way pressure sensor (7) are connected with the unmanned aerial vehicle system.

5. The pressure-adjustable nozzle structure according to claim 3, wherein The operating lever (4) is hollow structure, and the wire between the one-way pressure sensor (7), the electric controller (3) and the unmanned aerial vehicle system passes through the center of the operating lever (4).

6. The pressure-adjustable nozzle structure according to claim 4, wherein The operating rod (4) is a hollow structure, and wires for connecting a one-way pressure sensor (7), an electric cylinder (13) and a UAV system pass through the center of the operating rod (4).

7. The pressure-adjustable nozzle structure according to any one of claims 1 to 6, wherein The liquid inlet pipeline (9) is provided with a filter screen (12), and the filter screen (12) is fixedly connected with the liquid inlet pipeline (9).

8. The pressure-adjustable nozzle structure according to any one of claims 1 to 6, wherein The nozzle (11) is connected with the end of the liquid inlet pipeline (9) through thread engagement.

9. The pressure-adjustable nozzle structure according to any one of claims 1 to 6, wherein The operating rod (4) is coaxially arranged with the sealing plate (2).

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