Automatic welding device for unmanned aerial vehicle

Abstract

The invention discloses an unmanned aerial vehicle automatic welding device which comprises an unmanned aerial vehicle, an automatic welding machine and a movable control vehicle. Wherein the unmanned aerial vehicle is used for conveying the automatic welding machine to a corresponding welding position on a to-be-welded object so as to execute welding operation; the automatic welding machine comprises an automatic welding machine body fixedly installed at the bottom of the unmanned aerial vehicle, a welding gun arranged on the automatic welding machine body and an automatic wire feeder, and a connecting piece used for being connected with a to-be-welded object is arranged at the bottom of the automatic welding machine body. The movable control vehicle comprises a control vehicle body, a power system, a control system and a power system, the power system, the control system and the power system are integrally mounted on the control vehicle body, the power system is used for driving the control vehicle body to move, the power system is electrically connected to the unmanned aerial vehicle and the automatic welding machine, and the control system is in control connection with the automatic welding machine. The preparation work efficiency of the automatic welding machine is effectively improved, the safety of high-altitude edge operation of technicians is guaranteed, and meanwhile the operation flexibility is greatly improved.

Description

Technical Field

[0001] The invention relates to the technical field of welding, and in particular to an automatic welding device for an unmanned aerial vehicle. Background Art

[0002] With the development of welding technology, some difficult welding tasks often need to be performed by automatic welding machines (welding robots). However, the existing automatic welding machines have limited range of motion when in use. For welding seams in confined spaces such as high altitudes and edges, technicians are required to install the automatic welding machines in the corresponding working positions. Therefore, there are problems such as high safety risks in high-altitude edge operations, complicated preparation work before welding for automatic welding machines, and low efficiency. Summary of the invention

[0003] In order to overcome the defects in the prior art, the present invention provides an unmanned aerial vehicle automatic welding device, which ensures the safety of the automatic welding machine operated at high altitude, while improving the preparation efficiency of the automatic welding machine and improving the flexibility of the operation.

[0004] In order to achieve the above object, the present invention provides an automatic welding device for a drone, comprising:

[0005] Unmanned aerial vehicles, automatic welding machines and mobile control vehicles; among them,

[0006] The drone is used to transport the automatic welding machine to a corresponding welding position on the object to be welded to perform the welding operation;

[0007] The automatic welding machine comprises an automatic welding machine body fixedly mounted on the bottom of the drone, a welding gun provided on the automatic welding machine body and used for performing welding operations, and an automatic wire feeder provided on the automatic welding machine body and used for providing welding materials to the welding gun, and a connecting piece for connecting to the object to be welded is provided at the bottom of the automatic welding machine body;

[0008] A movable control vehicle comprises a control vehicle body and a power supply system, a control system and a power system integrated and installed on the control vehicle body, wherein the power system is used to drive the control vehicle body to move, the power supply system is electrically connected to the UAV and the automatic welding machine, and the control system is control-connected to the automatic welding machine.

[0009] Preferably, the drone comprises a drone body, an image acquisition unit disposed at the front end of the drone body, and a control unit respectively connected to the drone body and the image acquisition unit; wherein,

[0010] The image acquisition unit is used to send the acquired image information to the control unit, and is electrically connected to the control system through the control unit, so as to send the acquired image information to the control system for image analysis.

[0011] Preferably, a pan / tilt head is fixedly connected to the image acquisition unit.

[0012] Preferably, the drone body is also provided with a power battery for providing power support for the movement of the drone body, and the power battery is electrically connected to the power system via a first power line.

[0013] Preferably, the automatic welding machine is electrically connected to the power supply system via a second power line.

[0014] Preferably, an automatic power cord storage box is also provided at the bottom of the drone body, and the automatic power cord storage box includes an outer shell and two rotating shafts rotatably installed in the outer shell and for the first power cord and the second power cord to be wound accordingly, and both of the two rotating shafts are control-connected to the control system.

[0015] Preferably, the drone body includes a fuselage, a plurality of propellers distributed around the fuselage, and a brushless motor disposed at the bottom of each propeller and used to drive the propeller to rotate, thereby achieving take-off and landing of the drone.

[0016] Preferably, a retractable rod for retracting the wings on the fuselage is installed at the bottom of the fuselage.

[0017] Preferably, the connecting member is an electromagnetic wheel fixedly mounted on the bottom of the automatic welding machine body and used for magnetically fixing the automatic welding machine body on the surface of the object to be welded.

[0018] Due to the adoption of the above technical solution, the present invention has the following beneficial effects:

[0019] By adopting multi-rotor drones and automatic welding machines, technicians can control the automatic welding machine to perform welding by operating the multi-rotor drone to take off and land at the corresponding welding position, which effectively improves the preparation efficiency of the automatic welding machine, ensures the safety of technicians operating the automatic welding machine at high altitude, and greatly improves the flexibility of the operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0021] Figure 1 It is a schematic diagram of the overall structure of the automatic welding device of the unmanned aerial vehicle according to an embodiment of the present invention.

[0022] Figure 2 It is a front view of the structure excluding the movable control vehicle in the embodiment of the present invention.

[0023] Figure 3 It is a top view of the structure excluding the movable control vehicle in the embodiment of the present invention.

[0024] Figure 4 It is a side view of the structure excluding the movable control vehicle in the embodiment of the present invention.

[0025] The corresponding relationship of the numbers in the accompanying drawings is as follows:

[0026] 1-UAV; 11-UAV body; 111-fuselage; 112-propeller; 113-brushless motor; 114-retractable rod; 12-image acquisition unit; 13-pan head; 14-control unit; 15-power battery;

[0027] 2-automatic welding machine; 21-automatic welding machine body; 22-welding gun; 23-automatic wire feeder; 24-electromagnetic wheel;

[0028] 3-Mobile control vehicle;

[0029] 4-Automatic storage box for power cord. DETAILED DESCRIPTION

[0030] The specific embodiments of the present invention are further described below in conjunction with the accompanying drawings. It should be noted that the description of these embodiments is used to help understand the present invention, but does not constitute a limitation of the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0031] See also Figures 1 to 4 As shown, an embodiment of the present invention provides an unmanned aerial vehicle automatic welding device, comprising an unmanned aerial vehicle 1, an automatic welding machine 2 and a movable control vehicle 3; wherein,

[0032] The drone 1 is used to transport the automatic welding machine 2 to the corresponding welding position on the object to be welded to perform the welding operation;

[0033] The automatic welding machine 2 includes an automatic welding machine body 21 fixedly mounted on the bottom of the drone 1, a welding gun 22 provided on the automatic welding machine body 21 and used to perform welding operations, and an automatic wire feeder 23 provided on the automatic welding machine body 21 and used to provide welding materials to the welding gun 22. A connector for connecting to an object to be welded is provided at the bottom of the automatic welding machine body 21;

[0034] The movable control vehicle 3 includes a control vehicle body and a power system, a control system and a power system integrated and installed on the control vehicle body. The power system is used to drive the control vehicle body to move. The power system is electrically connected to the drone 1 and the automatic welding machine 2, and the control system is controlled and connected to the automatic welding machine 2. It should be noted that the control system includes a control computer group, which acts as the "brain" function for the automatic welding machine 2 and provides computing power for the automatic welding machine 2 to control it to realize the automatic welding function.

[0035] See also Figures 1 to 3 As shown, the drone 1 includes a drone body 11, an image acquisition unit 12 disposed at the front end of the drone body 11, and a control unit 14 respectively connected to the drone body 11 and the image acquisition unit 12; wherein,

[0036] The image acquisition unit 12 is used to send the collected image information to the control unit 14, and is electrically connected to the control system through the control unit 14, so that the collected image information is sent to the control system for image analysis, so that automatic and accurate welding can be achieved, and the weld quality can be checked after welding is completed. Preferably, the image acquisition unit 12 provides an image camera function for the perspective of the drone 1, and the image acquisition unit 12 is fixedly connected with a gimbal 13, which can ensure the stability of the camera image of the image acquisition unit 12.

[0037] Furthermore, the drone body 11 is also provided with a power battery 15 for providing power support for the movement of the drone body 11, and the power battery 15 is electrically connected to the power system through a first power line. It should be noted that in this embodiment, the power battery 15 is mainly a lithium battery, which is electrically connected to the power system through the first power line and can be charged.

[0038] Furthermore, the drone body 11 includes a fuselage 111, a plurality of propellers 112 distributed around the fuselage, and a brushless motor 113 provided at the bottom of each propeller 112 and used to drive the propeller 112 to rotate, thereby realizing the take-off and landing of the drone 1. Preferably, a retractable rod 114 for retracting the wings on the fuselage 111 is installed at the bottom of the fuselage 111. It should be noted that in this embodiment, the control unit 14 of the drone 1 is composed of silicon, metal, ceramic and other semiconductor materials, and is the "brain" module of the drone 1, which mainly plays the role of controlling the movement of the drone 1. The brushless motor 113 is composed of a motor body and a driver, and is a typical mechatronics product. It mainly uses rare earth neodymium iron boron (Nd-Fe-B) material with high magnetic energy level to provide power for the propeller 112.

[0039] See also Figure 2 and Figure 3As shown, in this embodiment, the automatic welding machine 2 is electrically connected to the power supply system through the second power line. Preferably, the bottom of the drone body 11 is also provided with an automatic power line storage box 4, which includes a shell and two rotating shafts rotatably installed in the shell and for the first power line and the second power line to be wound accordingly. Both rotating shafts are connected to the control system, and the control system remotely controls the rotation of the rotating shafts to control the automatic release and retraction of the first power line and the second power line respectively, and the length of the first power line and the second power line is about 50m.

[0040] Furthermore, in this embodiment, the connecting member is an electromagnetic wheel 24 fixedly installed at the bottom of the automatic welding machine body 21 and used to magnetically fix the automatic welding machine body 21 on the surface of the object to be welded. The electromagnetic wheel controls the presence or absence of its magnetic force by electricity, thereby controlling the fixation and detachment of the automatic welding machine body on the surface of the object to be welded.

[0041] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions and variations of these embodiments are made without departing from the principles and spirit of the present invention, and still fall within the scope of protection of the present invention.

Claims

1. An automatic welding device for unmanned aerial vehicles, characterized in that: Including drones, automatic welding machines and mobile control vehicles; among them, The drone is used to transport the automatic welding machine to a corresponding welding position on the object to be welded to perform the welding operation; The automatic welding machine comprises an automatic welding machine body fixedly mounted on the bottom of the drone, a welding gun provided on the automatic welding machine body and used for performing welding operations, and an automatic wire feeder provided on the automatic welding machine body and used for providing welding materials to the welding gun, and a connecting piece for connecting to the object to be welded is provided at the bottom of the automatic welding machine body; A movable control vehicle comprises a control vehicle body and a power supply system, a control system and a power system integrated and installed on the control vehicle body, wherein the power system is used to drive the control vehicle body to move, the power supply system is electrically connected to the UAV and the automatic welding machine, and the control system is control-connected to the automatic welding machine.

2. The automatic welding device for unmanned aerial vehicles according to claim 1, characterized in that: The drone comprises a drone body, an image acquisition unit disposed at the front end of the drone body, and a control unit respectively connected to the drone body and the image acquisition unit; wherein, The image acquisition unit is used to send the acquired image information to the control unit, and is electrically connected to the control system through the control unit, so as to send the acquired image information to the control system for image analysis.

3. The automatic welding device for unmanned aerial vehicle according to claim 2, characterized in that: The image acquisition unit is fixedly connected with a pan / tilt platform.

4. The automatic welding device for unmanned aerial vehicle according to claim 2, characterized in that: The drone body is also provided with a power battery for providing power support for the movement of the drone body, and the power battery is electrically connected to the power system through a first power line.

5. The automatic welding device for unmanned aerial vehicle according to claim 4, characterized in that: The automatic welding machine is electrically connected to the power supply system via a second power line.

6. The automatic welding device for unmanned aerial vehicle according to claim 5, characterized in that: An automatic power cord storage box is also provided at the bottom of the drone body. The automatic power cord storage box includes a shell and two rotating shafts rotatably installed in the shell and for the first power cord and the second power cord to be wound accordingly. Both of the rotating shafts are control-connected to the control system.

7. The automatic welding device for unmanned aerial vehicles according to claim 2, characterized in that: The drone body comprises a fuselage, a plurality of propellers distributed around the fuselage, and a brushless motor arranged at the bottom of each propeller and used for driving the propeller to rotate, thereby realizing take-off and landing of the drone.

8. The automatic welding device for unmanned aerial vehicle according to claim 7, characterized in that: A retractable rod for retracting the wings on the fuselage is installed at the bottom of the fuselage.

9. The automatic welding device for unmanned aerial vehicle according to claim 1, characterized in that: The connecting member is an electromagnetic wheel which is fixedly mounted on the bottom of the automatic welding machine body and is used to magnetically fix the automatic welding machine body on the surface of the object to be welded.

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