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Engineering excavator test bench

Excavator test bench 1. Main technical parameters

1. Power supply: AC220V 50HZ ,,
2.DC power input AC220V output DC24V / 3A
3. Programmable controller (PLC): Mitsubishi FX1S-20MR host 12 outputs 8 inputs (relay output method)
4. Motor power of hydraulic experiment pump: 250W speed regulation range 0-1700r / min Noise during hydraulic pump operation ≤ 58dB Demonstration of experimental oil circuit fluid flow requires only 0.8-1.3Mpa (maximum pressure of oil pump: Pmax = 2.5Mpa)
5. Solenoid valve: AC220V suction 3 Mpa
6. Dimensions of the training device: 1500mm × 650mm × 1800mm ( teaching equipment | teaching instrument )
7. Overall dimensions of the excavator test bench during digging: 1850mm × 650mm × 1850mm
挖掘机实验台
Features:

1. Added dozens of basic circuits of the original transparent hydraulic PLC control training device to simulate various actions of the working device of a real excavator
2. Transparent hydraulic excavator test bench can simulate various actions of real excavator working devices. The hydraulic system is made of imported transparent machine glass hydraulic components and transparent nylon hoses. The structure and working principle of the hydraulic components and the working principle of the hydraulic circuit are clear at a glance. The entire test bench has the advantages of image, intuitiveness, convenience and reliability.
2. Transparent hydraulic PLC training device is mainly composed of training table, training platform, excavator test bench, hydraulic components and electrical control devices, programmable controller (PLC) and other components.
3. Equipped with all common hydraulic components: Each hydraulic component is equipped with a mounting base plate, which can be conveniently and arbitrarily placed on the aluminum alloy profile panel (the panel has an aluminum alloy profile structure in the form of a "T" groove). The oil circuit adopts quick-change connector, which is convenient for disassembly and does not leak oil.
4. The electrical main control unit is controlled by a PLC programmable controller, which can communicate with a PC microcomputer to realize intelligent control of the computer. At the same time, the hydraulic circuit is used as the control object to strengthen the learning and application of the PLC control programmable controller.
5. The training control unit can also adopt an independent relay control unit for electrical control. Through comparison, it highlights the superiority and advanced nature of PLC programmable control, and deepens the understanding and mastery of the PLC programmer.
Third, the main function:
• Demonstration of excavator working devices, such as digging, unloading and lifting;
• Understand the composition and working principle of the hydraulic system of the excavator, the internal structure and working process of each component;
• Perform disassembly and assembly of excavator hydraulic system, electrical control system circuit experiment;
• Perform pressure and flow measurement experiments on the hydraulic system of the excavator.

Fourth, the commutation circuit of the basic hydraulic experiment
1. Reversing circuit with manual reversing valve. 2. The lock circuit of the directional valve can be used with the neutral machine. 3. Use the closed loop of the hydraulic control level valve. 4. Pressure setting circuit. 5. Secondary pressure control circuit. 6. Use the pressure reducing circuit of the pressure reducing valve. 7. Use the booster circuit of the booster cylinder. 8. Unloading circuit with H-type directional valve. 9 、 Inlet throttle throttle speed regulation circuit. 10, oil return throttle speed regulation circuit. 11. Reversing speed regulating circuit of speed regulating gear pump. 12. Compound speed control circuit composed of speed control gear pump and speed control valve. 13. Speed switching circuit shorted by flow valve. 14. The secondary feeding is connected in the same way by a speed regulating valve. 15. Use the same speed for the secondary feed in parallel with the speed control valve. 16. Sequence action circuit with sequence valve. 17. Sequence action circuit with pressure relay. 18. Sequential action loop controlled by a travel switch. 19. Sequential action circuit with stroke reversing valve. 20. Synchronous circuit of serial hydraulic cylinder. 21 、 Reversing circuit controlled by pilot relief valve 22 、 Hydraulic circuit of hydraulic excavator

: Excavator simulation teaching instrument | excavator driving simulator :

JGK-095 Excavator Simulator Introduction
Excavator driving simulator

The excavator simulator is the latest product developed by our company based on the latest excavator driver training outline and the latest driving simulator industry standard (JT / T398-2005). The cockpit has undergone a lot of technical innovations and improvements, and is configured. The latest version of "WJR Excavator Simulation Software 9.0" is provided. This software provides rich and realistic various operating topics and functions, making it the preferred teaching equipment for excavator training schools.

1. Operating parts

The operating parts are composed of driver's seat, brand computer, video screen (22-inch LCD display), high-sensitivity operation handle, walking operation lever, hydraulic safety lock lever, data acquisition card, and various function adjustment components.

The device contains the same operating parts as a real excavator, left and right operating handles, walking pedal levers, throttle size adjustment, hydraulic safety lock lever, walking speed adjustment and other components. (The device can perform networked training or stand-alone training; using the console computer, up to 30 devices can be connected to a training scene for training, which is optional.)

By operating realistic operating parts, students learn about accurate signal acquisition, calculation, and processing, and finally output a three-dimensional scene corresponding to the operation and a real-time operation interface with various voice prompts on the video screen.

Second, the main function

The simulator is equipped with the latest WJR excavator simulation software version 9.0, which is designed for our company in accordance with the latest standards of the excavator training industry. It has independent intellectual property rights and is the latest software that combines theoretical and practical evaluation.

The software uses a multi-degree-of-freedom digital model of the excavator to implement realistic simulations of the excavator's various steering, walking, large and small arms, and bucket movements. In addition, the latest computer technology is used to realize real three-dimensional scenes and realistic sound simulations.

1. The training subjects conduct operation training according to three modes: basic training, assessment operation and theoretical learning.

a) Basic training mode: air movement, earth excavation training, walking driving, loading training, trenching training, leveling training, up and down board, up and down slope, and broken training.

b) Evaluation operation mode: Excavation, dumping, loading, loading, ditching, brushing, leveling training, up and down board, up and down, and crushing training.

c) Theoretical study includes:

1) Theoretical documents: Contains nearly a thousand theoretical documents on safety, operation and maintenance of the excavator. Rich and detailed pictures and text descriptions completely solve the shortcomings of the lack of theoretical knowledge in the teaching of the training school!

2) Teaching video: With this function, you can play a variety of safety, maintenance, operation knowledge and other teaching videos of 24 disk excavator, loader and forklift operation, providing trainees with practical and standardized actual real machine operation drills!

3). Theoretical assessment: Referring to the national standard GB5306-85 "Special Operations Staff Safety Technology Assessment Management Rules", according to the safety education and training syllabus and teaching materials, 1080 standardized test questions have been prepared. In addition, it provides the function of adding a local question bank. To help students pass the theoretical exam smoothly!

2 Powerful function selection module

a) Switching the forehand operation module: Through this module, a teaching device can be used to simultaneously perform excavator (backhand and forehand excavator) training in two different operation modes!

b), walking speed gear module: through the choice of walking speed rabbit gear and tortoise gear, realistically reproduce the changes and differences in excavator walking speed!

c) Throttle control module: Simulate the change of the throttle control size of the excavator to provide suitable operating speeds for students with different operating topics and different proficiency levels!

d) Perspective window transformation module: Different operating perspective transformations are adopted to help students more easily observe the effects of simulation operations, and at the same time, operation instruction videos that are consistent with the topic are added to help students understand the gaps and deficiencies in the simulation operations and standard operation actions in real time. !!

e) Hydraulic safety lock module: realistically reproduces the same safety operation functions as the real machine, training trainees to develop good safety operation procedures!

Technical Parameters

Overall demand:

A simulation operation training system invented and designed for the training of excavator drivers. The product has powerful functions, realistic operation, complete services, and advanced technology. The right assistant for quality!

Technical Parameters:

Operating parts

Bearing capacity

100kg minimum

Seat

C5 type

Operation box

Special operation box for construction machinery

Walking pedal

HZ-15 (with walking joystick, using the same manufacturing principles and processes as the real machine)

Operating handle

High-precision operating handle (using the same manufacturing principle as the mechanical part of the hydraulic pilot valve handle, made of iron material and wire cutting process)

Computer Configuration

Haier brand computer (three-year national warranty)

CPU

Intel Pentium Dual Core E5200

hard disk

320G

Graphics card

9500GT

RAM

2G

power supply

220V

monitor

25Lcd

Pre-installed system

Genuine WIN XP system (with genuine Rising anti-virus software)

Excavator simulation operation software system

Software operating system

Outside dimensions

height

110Cm

length

130Cm

width

90Cm

quality

Stand-alone weight

100Kg

total weight

120Kg

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