Loader with bimotored power system

A power system and dual-engine technology, applied in the direction of power plant, transportation and packaging, jet propulsion device, etc., can solve the problems of high fuel consumption rate, difficult to achieve global power optimization and local optimization of engine and load, so as to alleviate the impact, Ease of stepless speed change and the effect of increasing the load rate

Active Publication Date: 2015-03-04
临泉县双军农业机械有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If one engine is used to power the loader's traveling gear and working gear, it will inevitably lead to a lower engine load rate and a higher fuel consumption rate, making it difficult to achieve global power optimization of the engine and load, as well as various devices and components. inter-local optimization

Method used

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  • Loader with bimotored power system

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Embodiment Construction

[0016] The present invention will be further described below in conjunction with the accompanying drawings:

[0017] figure 1 As shown, the power drive route of the dual-engine power system loader is divided into two parts: first, the first engine 8, the generator 19, the power storage device 17, the motor / generator 3, the driving wheel 1, the brake pedal 4. The forward / reverse gear lever 5, the travel speed control pedal 16, and the control unit 18 constitute the drive system of the loader traveling device.

[0018] Second, the second engine 9 , the hydraulic pump 13 , the hydraulic device 14 , the throttle control switch 15 of the second engine 9 , and the control unit 18 constitute the drive system of the loader working device.

[0019] In the driving system of the loader traveling gear, the rotational speed of the first engine 8, the coolant temperature and the oil temperature are fed back to the control unit 18 through the first rotational speed sensor 20, the first cool...

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Abstract

A loader with a bimotored power system belongs to engineering machinery and is characterized in that a first motor is used for providing power for the travelling of the loader and a second motor is used for providing power for the working of the loader; the bimotored power system comprises the first motor and the second motor; and the fist motor is connected with a generator and a control unit respectively, and the second motor is connected with a hydraulic pump and a control unit respectively. The power system of the travelling device of the loader is a tandem hybrid power system, the generator is driven by the first motor, part of the electric energy generated by the generator is used for motor generators, the other part of the electric energy is stored in an electrical storage device, and the motor generators are mounted on the driving wheels of the loader and used for recycling braking energy when the loader travels. The hydraulic transmission part of the working device of the loader is driven by the second motor, the second motor is directly connected with the hydraulic pump to realize the spading and steering of the loader, and the second motor adopts a cylinder deactivation fuel saving measure when the hydraulic pump works under a low-load condition.

Description

technical field [0001] The invention relates to a loader with a dual-engine power system, which belongs to a construction machinery device in which a traveling device and a working device are driven by a single engine and adopt corresponding transmission modes according to respective load characteristics. Background technique [0002] Loaders are commonly used equipment in engineering construction and play an important role in national economic construction. [0003] The shovel loading process is the most typical working condition of the loader. A working cycle consists of six working sections: forward, shovel loading, backward, forward (boom lifting), unloading, and backward (boom lowering). It is complex, the external load changes frequently, and the change range is large, and there are long-term problems of high fuel consumption and high emissions. At present, most of the traveling devices of loaders use traditional hydromechanical transmission. The torque converter ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60K5/08
Inventor 杨敬权龙许小庆王成宾张晓俊
Owner 临泉县双军农业机械有限公司
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