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Energy saving device of mining dump truck lifting system

A technology for mining dump trucks and energy-saving devices, which can be applied to the arrangement of loading and unloading vehicles, vehicles used for freight, and motor vehicles, and can solve problems such as energy waste.

Pending Publication Date: 2018-11-09
XUZHOU XCMG MINING MACHINERY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The lifting system of the mining dump truck is only in working condition when it is lifting; the lifting system does not work at other times. waste

Method used

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  • Energy saving device of mining dump truck lifting system

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Embodiment Construction

[0017] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0018] An energy-saving device for a mining dump truck lifting system, comprising a hydraulic oil tank 1, a power take-off 5, a gear pump 6, a lifting valve group 7, a hydraulic cylinder 8, a limit valve 9 and an air control valve 10, the hydraulic cylinder 8 communicates with the lifting valve group 7, and the lifting valve group 7 communicates with one end of the limit valve 9, the gear pump 6, and the air control valve 10, and the air control valve 10 communicates with the taking The power take-off 5 , the power take-off 5 and the gear pump 6 mesh with each other during operation, and the gear pump 6 and the lift valve group 7 communicate with the hydraulic oil tank 1 respectively.

[0019] F...

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Abstract

The invention discloses an energy saving device of a mining dump truck lifting system. The energy saving device comprises a hydraulic oil tank, a ball valve, an oil return filter, an air filter, a power take off, a gear pump, a lifting group valve, a hydraulic cylinder, a limit valve and a pneumatic control valve. The power take off is controlled through the pneumatic control valve, so that connection between the power take off and the gear pump is achieved. When a mining dump truck is in a lifting state, the power take off is engaged with the gear pump, and a container can achieve three working states of lifting, descending and maintaining. The power take off is controlled by the pneumatic control valve so that the two working states of operation and work stopping of the gear pump can beachieved, and the problem that a load-sensitive pump or a constant pressure pump for oil supply of a lifting system in the prior art needs to be in a standby state all the time, so that energy is wasted is solved; and when the lifting system does not work, the power take off is separated from the gear pump, energy losses of the system are reduced to the minimum degree, and the energy saving devicehas the beneficial effect of saving energy.

Description

technical field [0001] The invention relates to an energy-saving device for a lifting system of a mining dump truck, belonging to the technical field of engineering machinery energy-saving. Background technique [0002] Mining dump truck refers to a special load-carrying vehicle for short-distance transportation on special roads such as open-pit mines or large civil construction sites. Widely used in various open-pit mines, hydropower projects, railway and highway construction projects and large-scale construction projects. Due to the heavy load, the lifting of the cargo box of the mining dump truck adopts a hydraulic system. The lifting system of the mining dump truck is only in working condition when it is lifting; the lifting system does not work at other times. waste. Contents of the invention [0003] The technical problem to be solved by the present invention is to overcome the defects of the prior art and provide an energy-saving device for the lifting system of ...

Claims

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Application Information

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IPC IPC(8): B60P1/16
CPCB60P1/162
Inventor 高新功姚锡江袁自成娄彬郭振华朱孝朱新波
Owner XUZHOU XCMG MINING MACHINERY CO LTD
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