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Priority flow control system based on compression vehicle feeding device

A technology of flow control and compression truck, applied in the field of transmission system, which can solve the problems of serious throttling, low pump utilization rate and different flow requirements.

Pending Publication Date: 2020-10-23
XUZHOU XUGONG ENVIRONMENTAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the feeding device does not move during the garbage collection operation, the oil circuit of the small pump is in an idle state, the pump utilization rate is low, and a certain degree of power waste is caused
At the same time, different types of feeding devices have different action speeds, and thus have different flow requirements. When the same pump source is matched with buckets and swing arm feeding devices with small flow requirements, the throttling is serious and the power loss is large.

Method used

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  • Priority flow control system based on compression vehicle feeding device

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Embodiment Construction

[0018] The following is a specific embodiment of the present invention, and the present invention will be further described in conjunction with the accompanying drawings.

[0019] combine figure 1 As shown, a priority flow control system based on the feeding device of the compression car, the double pump 1 includes a large pump 1.1 for supplying oil to the oil supply circuit of the large pump, and a pump mainly used for supplying oil to the oil cylinder 6 of the feeding device Small pump 1.2. The oil supply circuit of the large pump mainly supplies oil to the working circuits such as the scraper, slide plate, push plate, and lift of the compression car.

[0020] The oil outlet of the large pump 1.1 is connected to the main relief valve I2, and the main relief valve 2 is used to limit the maximum working pressure of the oil supply circuit of the large pump 1.1 in the double pump.

[0021] The oil outlet of the small pump 1.2 is connected to the priority valve 3. The oil outl...

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Abstract

The invention discloses a priority flow control system based on a compression vehicle feeding device, and belongs to the technical field of transmission systems of sanitation vehicles. The system comprises a double pump, wherein a large pump of the double pump is connected to large pump oil supply way, a small pump of the double pump is connected to a feeding device oil cylinder, the small pump isconnected to a priority valve, an oil outlet of the priority valve is separately connected to a one-way valve and a proportional valve, the one-way valve is connected to the large pump oil supply way, and the proportional valve is connected to the feeding device oil cylinder. According to the system, flow of the small pump is preferentially supplied to the feeding device, redundant flow is supplied to a large pump oil supply loop through a bypass, the use efficiency of the double pump is exerted to the maximum extent, and the working efficiency of the large pump oil supply loop is improved, the same hydraulic system can guarantee speed stability of different feeding device during acting, has no throttling loss, improves the system power utilization rate, simultaneously improves a system uniformity degree, and reduces system configuration.

Description

technical field [0001] The invention relates to the technical field of transmission systems of sanitation vehicles, in particular to a priority flow control system based on a compression vehicle feeding device. Background technique [0002] The compression garbage truck can be compressed at one time, and the compression force is large, which increases the loading capacity, and is integrated with filling, compression, sealed transportation, and self-unloading. It has a high degree of automation, strong carrying capacity, and reduces transportation costs. Department's favorite. [0003] At present, the hydraulic system of compression trucks in the industry mostly uses double pumps to supply oil. The large pump supplies oil to large flow circuits such as scrapers, slides, and push plates, and the small pump supplies oil to the circuit of the feeding device to realize garbage compression and feeding. Synchronize operations to improve loading efficiency. When the feeding device...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F15B11/17F15B13/06
CPCF15B11/17F15B13/06F15B2211/20584F15B2211/88
Inventor 程磊单龙郑文丽张凯孙谦
Owner XUZHOU XUGONG ENVIRONMENTAL TECH CO LTD
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