Unmanned aerial vehicle spraying device for distribution line insulation protection

Abstract

The invention belongs to the field of unmanned aerial vehicle spraying, and particularly relates to an unmanned aerial vehicle spraying device for distribution line insulation protection, the unmanned aerial vehicle spraying device comprises an unmanned aerial vehicle main body, a spraying main machine and a connecting joint, the bottom of the unmanned aerial vehicle main body is provided with the spraying main machine, the front end of the spraying main machine is fixedly provided with a spraying cantilever I, and the front end of the spraying cantilever I is provided with a spraying cantilever II; according to the unmanned aerial vehicle, duckbilled nozzles are mounted on the first spraying cantilever and the second spraying cantilever, and the spraying cantilevers capable of extending the positions of the duckbilled nozzles are designed, so that the problem that the unmanned aerial vehicle is difficult to operate in a narrow space due to the large overall size is solved. The effect that when a narrow line is sprayed, an unmanned aerial vehicle does not need to enter the spraying device, and a duckbilled spray head can directly stretch into the line to conduct spraying through a spraying cantilever is achieved, the spraying operation coverage range is effectively expanded, the spraying efficiency and quality are improved, and the safety risk is reduced.

Description

Technical Field

[0001] The invention belongs to the field of drone spraying, and specifically is a drone spraying device for insulation protection of power distribution lines. Background Art

[0002] In the power industry, the safe operation of distribution lines is of vital importance. However, due to various reasons such as the environment, climate and human factors, metal exposed points often appear in distribution lines. These exposed points are prone to grounding or tripping faults, posing a threat to the stable operation of the power grid. In order to solve this problem, the traditional insulation treatment methods for exposed metal points in distribution networks mainly include power outage operations and live operations. Although power outage operations are relatively safe, they will affect the normal power consumption of users and reduce the reliability of power supply; while live operations can ensure the reliability of power supply, but the operation is complicated, the risk is high, and the cost is relatively high.

[0003] In recent years, with the continuous development of drone technology, its application in the power industry has become more and more extensive. Drones have the advantages of high flexibility, wide operating range, and easy operation, especially in complex environments. Therefore, the application of drone technology in distribution line insulation protection has become a new solution.

[0004] It is in this context that the drone spraying device came into being. The device uses drones equipped with specific spraying equipment to spray insulating paint on exposed metal points of distribution lines. Compared with traditional manual spraying methods, the drone spraying device has significant advantages. It can operate without power outages, greatly improving power supply reliability; at the same time, drones can quickly cover large areas, reducing the time and cost of manual operations.

[0005] However, a significant disadvantage of drone spraying devices in actual applications is that they need to carry a large paint spray box, which makes the overall size of the drone larger. This feature makes drones unable to cope with the task of spraying lines in narrow spaces, and it is difficult to enter and exit flexibly and operate. It not only limits the coverage of the spraying operation, but also may cause uneven spraying, which in turn affects the efficiency and quality of the spraying. At the same time, larger drones are more difficult to operate in narrow spaces, and potential safety risks also increase accordingly.

[0006] To this end, the present invention provides a drone spraying device for insulation protection of power distribution lines. Summary of the invention

[0007] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0008] The technical solution adopted by the present invention to solve its technical problem is: the unmanned aerial vehicle spraying device for insulation protection of distribution lines described in the present invention includes a unmanned aerial vehicle body, a spraying main unit and a connecting joint, the spraying main unit is arranged at the bottom of the unmanned aerial vehicle body, a spraying cantilever 1 is fixed to the front end of the spraying main unit, a spraying cantilever 2 is arranged at the front end of the spraying cantilever 1, a camera is arranged at the top of the spraying cantilever 2, a spraying assembly is arranged at the front end of the spraying cantilever 2, and a detachable pipe is arranged below the spraying cantilever 1 and the spraying cantilever 2.

[0009] Preferably, a support frame is provided on the outside of the spray main unit, the spray main unit is installed inside the support frame, the support frame is installed at the bottom of the UAV body, and a reinforcement rod is provided on the top of the spray cantilever 1. One end of the reinforcement rod is hinged to the top of the spray cantilever 1, and the other end of the reinforcement rod is fixed to the cross bar at the front end of the top of the support frame.

[0010] Preferably, the spray assembly includes a connecting joint fixed to the front end of the second spray cantilever, a spray valve is fixed to the front end of the connecting joint, a duckbill nozzle is arranged at the front end of the spray valve, and a wind shield is arranged at the periphery of the duckbill nozzle.

[0011] Preferably, the connecting joint is a two-axis joint that can deflect the duckbill nozzle in horizontal and vertical directions.

[0012] Preferably, the front end of the detachable pipe is connected to the bottom of the spray valve, and the rear end of the detachable pipe is provided with a quick-plug connector. The detachable pipe is connected to the interior of the spray main unit through the quick-plug connector. The external fixed limiting blocks of spray cantilever 1 and spray cantilever 2 are provided with a through hole at the bottom end of the limiting block. The detachable pipe extends into the limiting block through the through hole and is placed below spray cantilever 1 and spray cantilever 2.

[0013] Preferably, a connecting rod is arranged between spray cantilever one and spray cantilever two, a folding joint one is arranged at the rear end of the connecting rod, the rear end of the folding joint one is connected to the front end of spray cantilever one, a folding joint two is arranged at the front end of the connecting rod, the front end of the folding joint two is connected to the rear end of spray cantilever two, the connecting rod and spray cantilever one can be folded horizontally through folding joint one, and the spray cantilever two and the connecting rod can be folded horizontally through folding joint two.

[0014] The beneficial effects of the present invention are as follows:

[0015] 1. The drone spraying device for insulation protection of power distribution lines described in the present invention improves the problem that drones are difficult to operate in narrow spaces due to their large overall size by installing duckbill nozzles on spray cantilever 1 and spray cantilever 2, and designing a spray cantilever that can extend the position of the duckbill nozzle. When spraying on narrow lines, the drone can use the spray cantilever to extend the duckbill nozzle directly into the lines for spraying without entering them, which effectively expands the coverage of the spraying operation, improves the spraying efficiency and quality, and reduces safety risks.

[0016] 2. The drone spraying device for insulation protection of power distribution lines described in the present invention improves the problem of fixed position of duckbill nozzle and limited spraying range by setting a connection joint. After the duckbill nozzle is inserted into the line, the main body of the drone can be kept stationary, and the duckbill nozzle can be offset horizontally or vertically by using the connection joint to expand the spraying range and better meet different spraying requirements.

[0017] 3. The drone spraying device for insulation protection of power distribution lines described in the present invention improves the problem of large space occupied by equipment storage and transportation by arranging a connecting rod between spraying cantilever 1 and spraying cantilever 2, and the connecting rod and spraying cantilever 1 are folded horizontally through folding joint 1, and spraying cantilever 2 and connecting rod are folded horizontally through folding joint 2. This produces the effect that when the equipment is stored and released, the space occupied by the entire equipment can be reduced by folding, which is convenient for storage and transportation.

[0018] 4. The drone spraying device for insulation protection of power distribution lines described in the present invention improves the problem that the spraying status cannot be intuitively understood by remote control by being equipped with a camera. The spraying status image is transmitted back to the remote control screen, which facilitates the remote control of the equipment spraying process.

[0019] 5. The drone spraying device for insulation protection of power distribution lines described in the present invention improves the problems of uneven spraying and low efficiency by setting a plunger-type high-pressure pump inside the spraying host, thereby achieving a spraying pressure of 15MPa and achieving an effect of efficient and uniform spraying. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be further described below in conjunction with the accompanying drawings.

[0021] Figure 1 It is the overall structural diagram of the present invention;

[0022] Figure 2 It is a partial structural diagram of the present invention;

[0023] Figure 3 It is a local structural diagram of the connecting rod in the present invention.

[0024] In the figure: 1. UAV body; 2. Spraying main unit; 21. Reinforcement rod; 22. Support frame; 3. Spraying cantilever 1; 4. Spraying cantilever 2; 5. Camera; 6. Connecting rod; 61. Folding joint 1; 62. Folding joint 2; 7. Removable pipe; 71. Quick connector; 72. Limit block; 8. Connecting joint; 81. Spraying valve; 82. Duckbill nozzle; 83. Wind shield. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0026] like Figure 1 and Figure 3 As shown, an unmanned aerial vehicle spraying device for insulation protection of distribution lines according to an embodiment of the present invention comprises an unmanned aerial vehicle body 1, a spraying host 2 and a connecting joint 8, a spraying host 2 is arranged at the bottom of the unmanned aerial vehicle body 1, a spraying cantilever 1 3 is fixed to the front end of the spraying host 2, a spraying cantilever 2 4 is arranged at the front end of the spraying cantilever 1 3, a camera 5 is arranged at the top of the spraying cantilever 2 4, a spraying assembly is arranged at the front end of the spraying cantilever 2 4, and a detachable pipe 7 is arranged below the spraying cantilever 1 3 and the spraying cantilever 2 4.

[0027] A support frame 22 is provided outside the spraying main machine 2, the spraying main machine 2 is installed inside the support frame 22, the support frame 22 is installed at the bottom of the drone body 1, and a reinforcing rod 21 is provided at the top of the spraying cantilever 3, one end of the reinforcing rod 21 is hinged to the top of the spraying cantilever 3, and the other end of the reinforcing rod 21 is fixed to the cross bar at the front end of the top of the support frame 22. The reinforcing rod 21 is provided at the top of the spraying cantilever 3 to improve the supporting strength of the spraying cantilever 3.

[0028] The spraying assembly includes a connection joint 8 fixed to the front end of the spraying cantilever 24, a spraying valve 81 is fixed to the front end of the connection joint 8, a duckbill nozzle 82 is arranged at the front end of the spraying valve 81, and a wind shield 83 is arranged on the periphery of the duckbill nozzle 82. The spray nozzle of the duckbill nozzle 82 is used to effectively atomize the paint liquid to make the spraying uniform; the wind shield 83 can prevent the spray droplets of the duckbill nozzle 82 from being disturbed by the wind during spraying; the connection joint 8 can freely control the spraying time.

[0029] The connecting joint 8 is a two-axis joint, which can make the duckbill nozzle 82 deflect horizontally and vertically.

[0030] The front end of the detachable pipe 7 is connected to the bottom of the spray valve 81, and the rear end of the detachable pipe 7 is provided with a quick-insert connector 71. The detachable pipe 7 is connected to the inside of the spray main machine 2 through the quick-insert connector 71. The external fixed limit block 72 of the spray cantilever 1 3 and the spray cantilever 2 4 is provided with a through hole at the bottom end of the limit block 72. The detachable pipe 7 extends into the limit block 72 through the through hole and is placed under the spray cantilever 1 3 and the spray cantilever 2 4. The detachable pipe 7 is a paint liquid transport pipe. The detachable pipe 7 is external and detachably installed, which is convenient for eliminating blockage faults; the quick-insert connector 71 is provided at the rear end of the detachable pipe 7, and the detachable pipe 7 can be quickly disassembled and assembled by using the quick-insert connector 71.

[0031] A connecting rod 6 is arranged between the spray cantilever 1 3 and the spray cantilever 2 4, and a folding joint 1 61 is arranged at the rear end of the connecting rod 6, and the rear end of the folding joint 1 61 is connected to the front end of the spray cantilever 1 3, and a folding joint 2 62 is arranged at the front end of the connecting rod 6, and the front end of the folding joint 2 62 is connected to the rear end of the spray cantilever 2 4, and the connecting rod 6 and the spray cantilever 1 3 can be folded in the horizontal direction through the folding joint 1 61, and the spray cantilever 2 4 and the connecting rod 6 can be folded in the horizontal direction through the folding joint 2 62.

[0032] Working principle:

[0033] The duckbill nozzle 82 is installed on the spraying cantilever 1 3 and the spraying cantilever 2 4. The design of the spraying cantilever 1 3 and the spraying cantilever 2 4 greatly extends the working position of the duckbill nozzle 82, allowing the duckbill nozzle 82 to be away from the drone body 1. When facing the spraying task of a narrow line, the drone does not need to venture into it. It only needs to rely on the spraying cantilever 1 3 and the spraying cantilever 2 4 to accurately extend the duckbill nozzle 82 between the lines to carry out the spraying operation, which effectively reduces the operation risk and improves the safety of the operation;

[0034] After the duckbill nozzle 82 is successfully extended into the line by using the spray cantilever 1 3 and the spray cantilever 2 4, there is no need to move the drone body 1. By connecting the joint 8, the duckbill nozzle 82 can be flexibly adjusted in the horizontal or vertical direction to expand the spraying range, and various complex spraying requirements can be easily met, whether it is large-area uniform spraying or small-scale fine operations.

[0035] A connecting rod 6 is provided between the spraying cantilever 1 3 and the spraying cantilever 2 4. The connecting rod 6 is connected to the spraying cantilever 1 3 through a folding joint 1 61, and can be folded in the horizontal direction; the spraying cantilever 2 4 is connected to the connecting rod 6 through a folding joint 2 62, and can also be folded in the horizontal direction. In the equipment folding and releasing link, the operation is very simple. First, fold the spraying cantilever 2 4, and then fold the connecting rod 6, so that the spraying cantilever 2 4 can be folded steadily to the side of the spraying main machine 2, which greatly reduces the occupied space of the overall equipment and provides great convenience for storage and transportation. Whether it is daily storage or long-distance transportation to different work sites, it can be easily done.

[0036] In order to achieve remote and precise control, the equipment is equipped with a camera 5. It can transmit the spraying status image back to the remote control screen in real time, so that the operator can clearly grasp the on-site spraying process even if he is remote, just like being on site, and give precise instructions to ensure the smooth progress of the spraying operation.

[0037] When the equipment is put into use, it is only necessary to install the spraying host 2 at the bottom of the drone body 1, start the drone body 1, and it can quickly move to the line position that needs to be sprayed. The spraying host 2 is equipped with a plunger-type high-pressure pump, and the spraying pressure can reach 15MPa, which can achieve efficient and uniform spraying effect. The spraying host 2 injects the paint liquid into the detachable pipe 7, and then cooperates with the duckbill nozzle 82 to atomize the paint liquid, accurately spraying the paint liquid onto the exposed line, and quickly and efficiently completing the insulating paint spraying work of the exposed metal points of the distribution line.

[0038] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A drone spraying device for insulation protection of power distribution lines, comprising a drone body (1), a spraying host (2) and a connecting joint (8), characterized in that: A spraying main machine (2) is arranged at the bottom of the drone body (1); a spraying cantilever (3) is fixed to the front end of the spraying main machine (2); a spraying cantilever (4) is arranged at the front end of the spraying cantilever (3); a camera (5) is arranged at the top of the spraying cantilever (4); a spraying assembly is arranged at the front end of the spraying cantilever (4); and a detachable pipe (7) is arranged below the spraying cantilever (3) and the spraying cantilever (4).

2. The drone spraying device for insulation protection of power distribution lines according to claim 1 is characterized in that: A support frame (22) is arranged outside the spraying main machine (2), the spraying main machine (2) is installed inside the support frame (22), the support frame (22) is installed at the bottom of the drone body (1), a reinforcing rod (21) is arranged on the top of the spraying cantilever (3), one end of the reinforcing rod (21) is hinged to the top end of the spraying cantilever (3), and the other end of the reinforcing rod (21) is fixed to the cross bar at the front end of the top of the support frame (22).

3. The drone spraying device for insulation protection of power distribution lines according to claim 2 is characterized in that: The spraying assembly comprises a connection joint (8) fixed to the front end of the second spraying cantilever (4), a spraying valve (81) is fixed to the front end of the connection joint (8), a duckbill spray head (82) is arranged at the front end of the spraying valve (81), and a wind shield (83) is arranged on the periphery of the duckbill spray head (82).

4. The drone spraying device for insulation protection of power distribution lines according to claim 3 is characterized in that: The connecting joint (8) is a two-axis joint, which can make the duckbill nozzle (82) deflect in the horizontal and vertical directions.

5. The drone spraying device for insulation protection of power distribution lines according to claim 4 is characterized in that: The front end of the detachable pipe (7) is connected to the bottom of the spray valve (81), and the rear end of the detachable pipe (7) is provided with a quick-insert connector (71). The detachable pipe (7) is connected to the inside of the spray main machine (2) through the quick-insert connector (71). The outside of the spray cantilever 1 (3) and the spray cantilever 2 (4) is fixed with a limiting block (72). The bottom end of the limiting block (72) is provided with a through hole. The detachable pipe (7) extends into the limiting block (72) through the through hole and is placed below the spray cantilever 1 (3) and the spray cantilever 2 (4).

6. The drone spraying device for insulation protection of power distribution lines according to claim 5 is characterized in that: A connecting rod (6) is provided between the first spraying cantilever (3) and the second spraying cantilever (4); a folding joint (61) is provided at the rear end of the connecting rod (6); the rear end of the folding joint (61) is connected to the front end of the first spraying cantilever (3); a folding joint (62) is provided at the front end of the connecting rod (6); the front end of the folding joint (62) is connected to the rear end of the second spraying cantilever (4); the connecting rod (6) and the first spraying cantilever (3) can be folded in the horizontal direction through the folding joint (61); and the second spraying cantilever (4) and the connecting rod (6) can be folded in the horizontal direction through the folding joint (62).

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