Remote control excavator

Abstract

The utility model discloses a remote control excavator which comprises a hydraulic pilot system, a remote control system and a high-definition camera. The hydraulic pilot system comprises an oil tank, a pilot pump, an overflow valve, a filter, a one-way valve, an energy accumulator, a safety handle electromagnetic valve, an electromagnetic reversing valve, a left foot valve, a right foot valve, a left handle valve, a right handle valve, a shuttle valve and an electric proportional valve. The remote control system comprises an HID handle, a control console and an onboard end, the HID handle is connected with the control console through a USB interface, the control console is wirelessly connected with the onboard end, and the onboard end is connected with the excavator electrical system. Due to the application of the remote control technology of the excavator, the operation efficiency is improved, the labor cost is reduced, stable operation can be achieved in the complex and severe environment, meanwhile, the safety of personnel is guaranteed, operators are far away from dangerous areas, and the possibility of accidents is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of remote control of excavators, in particular to a remote control excavator. Background Art

[0002] As an important equipment in modern engineering construction, excavators play a vital role in demolition operations. Excavators have high-performance engines and hydraulic systems that can provide sufficient power to enable excavators to operate easily. At the same time, excavators are also equipped with a variety of working devices, such as breaker hammers, hydraulic shears, etc., to meet the demolition needs of different materials and structures. However, due to the complex and changeable engineering environment, operators may face risks such as collapse, landslides, and collisions during manual operations. In particular, in multiple high-risk operating environments such as the demolition of large buildings (structures), the demolition of equipment and facilities, the demolition of chemical equipment, and the demolition of bridges, traditional manual operation methods have high safety risks. In order to improve work efficiency and ensure safety, it is urgent to take measures and technical means to overcome these shortcomings. Utility Model Content

[0003] The utility model aims to provide a remote-controlled excavator to solve the problems in the prior art.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a remote-controlled excavator, including a hydraulic pilot system, a remote control system, and a high-definition camera;

[0005] The hydraulic pilot system includes an oil tank, a pilot pump, a relief valve, a filter, a check valve, an accumulator, a safety handle solenoid valve, a solenoid reversing valve, a left foot valve, a right foot valve, a left handle valve, a right handle valve, a shuttle valve, and an electric proportional valve;

[0006] The remote control system includes a HID handle, a console and an airborne terminal. The HID handle is connected to the console via a USB interface, the console is wirelessly connected to the airborne terminal, and the airborne terminal is connected to the electrical system of the excavator.

[0007] Preferably, the P port of the electromagnetic reversing valve is connected to the A port of the safety handle electromagnetic valve, the T port of the electromagnetic reversing valve is connected to the oil tank pipeline, the A port pipeline of the electromagnetic reversing valve is connected to the P port of the electric proportional valve, and the B port pipeline of the electromagnetic reversing valve is connected to the oil inlet of the left foot valve, the right foot valve, the left handle valve and the right handle valve; the electric proportional valve is connected to the shuttle valve accordingly; the T port of the electric proportional valve is connected back to the oil tank, and the A port of the electric proportional valve is respectively connected to the A port of the corresponding shuttle valve; the B port of the shuttle valve is connected to the oil outlet of the corresponding left foot valve, the right foot valve, the left handle valve and the right handle valve; the C port of the shuttle valve is connected to the corresponding main valve stem; the oil return ports of the left foot valve, the right foot valve, the left handle valve and the right handle valve are connected to the oil tank.

[0008] Preferably, the control console is provided with an intelligent identification module, a mapping module, a communication protocol conversion module, a wireless transmission module, and a human-machine HMI; and the airborne end is provided with an airborne PLC control unit and a fault diagnosis system.

[0009] Preferably, a plurality of the high-definition cameras are provided, and the plurality of high-definition cameras are respectively installed on both sides of the excavator's boom, both sides of the forearm, and on the roof.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1. Under manual operation, the excavator can maintain its original performance, and its performance and effect are not affected in any way; the excavator can achieve precise control during remote control operation. This enables the excavator to accurately identify and demolish the target structure when demolishing large buildings, while reducing interference and damage to the environment around the motor.

[0012] 2. The application of remote control technology for excavators not only improves operating efficiency and reduces labor costs, but also enables stable operations in complex and harsh environments, while ensuring personnel safety, keeping operators away from dangerous areas and reducing the possibility of accidents.

[0013] 3. It can realize automated and intelligent demolition operations, which can not only improve demolition efficiency and reduce labor costs, but also reduce the impact of human factors on the demolition process and improve the accuracy and safety of demolition operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 This is the principle diagram of the hydraulic pilot system of the utility model;

[0017] Figure 3 An enlarged view of area D in the principle diagram of the hydraulic pilot system of the utility model;

[0018] Figure 4 Schematic diagram of the remote control system of the utility model.

[0019] Figure 5 Schematic diagram of the HID handle of the utility model.

[0020] In the figure: 1. Oil tank; 2. Pilot pump; 3. Overflow valve; 4. Filter; 5. Check valve; 6. Accumulator; 7. Safety handle solenoid valve; 8. Solenoid reversing valve; 9. Left foot valve; 10. Right foot valve; 11. Left handle valve; 12. Right handle valve; 13. Shuttle valve; 14. Electric proportional valve; 15. HID handle; 16. USB interface; 17. Intelligent identification module; 18. Mapping module; 19. Human-machine HMI; 20. Control console; 21. Communication protocol conversion module; 22. Wireless transmission module; 23. Airborne terminal; 24. Airborne PLC control unit; 25. Fault diagnosis system; 26. High-definition camera. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is claimed, but merely represents selected embodiments of the utility model.

[0022] See also Figure 1-5 In an embodiment of the utility model, a remote-controlled excavator includes a hydraulic pilot system, a remote control system, and a high-definition camera 26; a plurality of the high-definition cameras 26 are provided, and the plurality of the high-definition cameras 26 are respectively installed on both sides of the excavator's boom, both sides of the forearm, and on the roof to collect images and sounds of the surrounding environment in all directions.

[0023] The hydraulic pilot system includes an oil tank 1, a pilot pump 2, a relief valve 3, a filter 4, a non-return valve 5, an accumulator 6, a safety handle solenoid valve 7, an electromagnetic reversing valve 8, a left foot valve 9, a right foot valve 10, a left handle valve 11, a right handle valve 12, a shuttle valve 13, and an electric proportional valve 14; the P port of the electromagnetic reversing valve 8 is connected to the A port of the safety handle solenoid valve 7, the T port of the electromagnetic reversing valve 8 is connected back to the oil tank pipeline, the A port pipeline of the electromagnetic reversing valve 8 is connected to the P port of the electric proportional valve 14, and the B port pipeline of the electromagnetic reversing valve 8 is connected to the left foot valve 9 and the right foot valve 1 0, the oil inlet of the left handle valve 11 and the right handle valve 12; the electric proportional valve 14 is connected to the shuttle valve 13 accordingly; the T port of the electric proportional valve 14 is connected back to the oil tank, and the A port of the electric proportional valve 14 is connected to the A port of the corresponding shuttle valve 13; the B port of the shuttle valve 13 is connected to the oil outlet of the corresponding left foot valve 9, the right foot valve 10, the left handle valve 11 and the right handle valve 12; the C port of the shuttle valve 13 is connected to the corresponding main valve stem; the oil return ports of the left foot valve 9, the right foot valve 10, the left handle valve 11 and the right handle valve 12 are connected to the oil tank 1. It can be divided into a manual operation oil circuit and a remote control oil circuit. In the manual operation oil circuit, the hydraulic oil passes through the pilot pump 2, filter 4, check valve 5, safety handle solenoid valve 7, solenoid reversing valve 8, left foot valve 9 or right foot valve 10 or left handle valve 11 or right handle valve 12, shuttle valve 13 (FB1-FB12), and finally reaches the main valve stem to control the excavator to operate. In the remote control oil circuit, the hydraulic oil passes through the pilot pump 2, filter 4, check valve 5, safety handle solenoid valve 7, solenoid reversing valve 8, electric proportional valve 14 (SV1-SV12), shuttle valve 13, and finally reaches the main valve stem to control the excavator to perform remote control operations.

[0024] The remote control system includes a HID handle 15, a console 20 and an airborne terminal 23. The HID handle 15 is connected to the console 20 via a USB interface 16. The console 20 is wirelessly connected to the airborne terminal 23. The airborne terminal 23 is connected to the electrical system of the excavator. The console 20 is provided with an intelligent recognition module 17, a mapping module 18, a communication protocol conversion module 21, a wireless transmission module 22, and a human-machine HMI 19. The airborne terminal 23 is provided with an airborne PLC control unit 24 and a fault diagnosis system 25.

[0025] The HID handle 15 integrates basic operation buttons such as left and right track forward / reverse, left and right rotation, boom up, boom down, bucket digging, bucket unloading, remote / local operation switching, and is compatible with multiple programmable function keys for breakers and hydraulic shears.

[0026] When the excavator is manually operated, the operator operates the left foot valve 9 or the right foot valve 10 or the left handle valve 11 or the right handle valve 12 in the cab to control the excavator to operate.

[0027] When the excavator is remotely controlled, the console 20 is placed indoors or outdoors, and the operator watches the images and sounds transmitted back by the high-definition camera 26 on the human-machine HMI 19, and operates the buttons on the HID handle 15 to control the excavator to operate. By pressing the button on the HID handle 15, the command is transmitted to the console 20 through the USB interface 16. After the intelligent recognition module 17 and the mapping module 18 are started, the model of the HID handle 15 is automatically identified, and the preset mapping configuration is loaded to accurately convert the command into the corresponding control signal. The communication protocol conversion module 21 receives the control signal and converts it; the wireless transmission system 22 adopts adaptive wireless communication technology. The onboard PLC control unit 24 on the airborne end decrypts and analyzes the control signal, and controls the action of the excavator through the electric proportional valve 14 with a response speed of milliseconds. During the entire operation of the excavator, the remote control system continuously monitors the operating status of the equipment, including but not limited to key parameters such as oil pressure and motor temperature. Once an abnormality is detected, the fault diagnosis system 25 immediately sends an alarm to the operator through the wireless link and automatically enters the safety mode to prevent equipment damage or safety accidents.

[0028] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A remote-controlled excavator, characterized in that: Including hydraulic pilot system, remote control system, high-definition camera (26); The hydraulic pilot system comprises an oil tank (1), a pilot pump (2), a relief valve (3), a filter (4), a check valve (5), an accumulator (6), a safety handle solenoid valve (7), a solenoid reversing valve (8), a left foot valve (9), a right foot valve (10), a left handle valve (11), a right handle valve (12), a shuttle valve (13), and an electric proportional valve (14); The remote control system comprises a HID handle (15), a console (20) and an onboard terminal (23); the HID handle (15) is connected to the console (20) via a USB interface (16); the console (20) is wirelessly connected to the onboard terminal (23); and the onboard terminal (23) is connected to an electrical system of an excavator.

2. A remote-controlled excavator according to claim 1, characterized in that: The P port of the electromagnetic reversing valve (8) is connected to the A port of the safety handle electromagnetic valve (7); the T port of the electromagnetic reversing valve (8) is connected to the oil tank pipeline; the A port pipeline of the electromagnetic reversing valve (8) is connected to the P port of the electric proportional valve (14); the B port pipeline of the electromagnetic reversing valve (8) is connected to the oil inlet of the left foot valve (9), the right foot valve (10), the left handle valve (11) and the right handle valve (12); the electric proportional valve (14) is connected to the shuttle valve (13) correspondingly; the electric proportional valve (14) The T port of the electric proportional valve (14) is connected back to the oil tank; the A port of the electric proportional valve (14) is respectively connected to the A port of the corresponding shuttle valve (13); the B port of the shuttle valve (13) is connected to the oil outlet of the corresponding left foot valve (9), right foot valve (10), left handle valve (11) and right handle valve (12); the C port of the shuttle valve (13) is connected to the corresponding main valve stem; the oil return ports of the left foot valve (9), right foot valve (10), left handle valve (11) and right handle valve (12) are connected to the oil tank (1).

3. A remote-controlled excavator according to claim 1, characterized in that: The control console (20) is provided with an intelligent identification module (17), a mapping module (18), a communication protocol conversion module (21), a wireless transmission module (22), and a human-machine HMI (19); the onboard terminal (23) is provided with an onboard PLC control unit (24) and a fault diagnosis system (25).

4. A remote-controlled excavator according to claim 1, characterized in that: A plurality of high-definition cameras (26) are provided, and the plurality of high-definition cameras (26) are respectively installed on both sides of the excavator's boom, both sides of the forearm, and on the roof.

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