Unbalance load balancing device suitable for double-brush operation of wall cleaning vehicle and control method

A technology for balancing devices and cleaning vehicles, which is applied to tractors, motor vehicles, transportation and packaging, etc. It can solve problems such as rollover, unbalanced load of the whole vehicle, self-heavyness, etc., and achieve safety assurance, pressure reduction, and high safety. Effect

Pending Publication Date: 2022-07-12
XUZHOU XUGONG ENVIRONMENTAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are two booms operating on the same side during the double boom operation. Due to the long boom span and the relatively large self-weight after the wet water is rolled, the vertical moment generated by the entire boom is relatively large, resulting in the entire boom during operation. The vehicle is seriously eccentrically loaded, and may even cause rollover in severe cases, which is a serious safety hazard

Method used

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  • Unbalance load balancing device suitable for double-brush operation of wall cleaning vehicle and control method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] combine figure 1 As shown, four stabilizers 4 are included, two are respectively installed on the front axle and the rear axle of the vehicle, and the four stabilizers 4 are arranged in a rectangular shape. The stabilizer 4 is installed on the side of the bodywork sub-beam above the spring steel plate of the front axle or rear axle of the vehicle. The stabilizer 4 adopts a hydraulic cylinder; the piston rod head of the hydraulic cylinder faces the spring steel plate, and there is a distance between the piston rod head and the spring steel plate to avoid The piston rod head is in contact with the vehicle while it is not working. .

[0028] The control valve group 1 has an oil inlet P and an oil return port T, and the oil inlet of the control valve group 1 is connected to a high-pressure oil source. The control valve group 1 includes a relief valve 1-1, a pressure maintaining valve 1-2 and a reversing valve 1-3. The oil inlet of the relief valve 1-1 is connected to the...

Embodiment 2

[0032] An eccentric load control method suitable for the double-brush operation of a wall cleaning vehicle, on the basis of the above-mentioned first embodiment, the steps are as follows:

[0033] Work posture preparation stage;

[0034] When the vehicle is ready to start cleaning, prepare the boom working posture; at this time, the electromagnet YV1 of the pressure-retaining valve 1-2 of the control valve group 1 is energized, and the system starts to build pressure;

[0035] The reversing valve 1-3 of the control valve group 1 is powered on to the electromagnet YV3, and the hydraulic oil enters the rodless cavity of the stabilizer 4 through the plate hydraulic lock 2, and the stabilizer 4 extends in place;

[0036] job monitoring status;

[0037] After the vehicle completes the work posture preparation, the reversing valve 1-3 electromagnet YV3 of the control valve group 1 is de-energized, and the position of the solenoid valve spool is as follows: figure 1 shown;

[0038...

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PUM

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Abstract

The invention discloses an unbalance load balancing device suitable for double-brush operation of a wall cleaning vehicle and a control method. Comprising a plurality of stabilizers which are installed on the side face of an upper auxiliary beam of the vehicle, and hydraulic cylinders are adopted by the stabilizers. A piston rod head of the hydraulic cylinder faces the spring steel plate, and a distance is reserved between the piston rod head and the spring steel plate; an oil inlet of the control valve group is connected with a high-pressure oil source, and an oil outlet of the control valve group is connected with the stabilizer through the plate-type hydraulic lock; the large cavity of the stabilizer is connected with a pressure sensor, and the pressure sensor is connected with a controller. Supporting force of four supporting points of a front axle and a rear axle is guaranteed through the distributed stabilizers, the stabilizers are additionally arranged on the operation side to balance the gravity center, and the stabilizers are used for balancing the unbalance loading problem of double-brush operation of the wall cleaning vehicle. The plate type hydraulic lock has an anti-explosion function and is high in safety; the pressure is detected in real time, the unbalance loading degree of the vehicle is converted into graphic information, the visual impression is improved, the pressure is greatly reduced, the cantilever crane is triggered to be automatically withdrawn, and the safety of the whole vehicle is guaranteed.

Description

technical field [0001] The invention relates to the technical field of wall-washing vehicles, in particular to an eccentric load balancing device and a control method suitable for the double-brush operation of the wall-washing vehicle. Background technique [0002] The wall cleaning truck is divided into two types: single brush and double brush. The single-brush product has a lighter boom, and the center of gravity of the vehicle does not shift significantly after the boom is unfolded, which does not affect the actual work. During the operation of the double boom, there are two booms working on the same side. Due to the long boom and the relatively large self-weight after the roller brush is wet, the vertical moment generated by the whole boom is large, which causes the whole operation time. The partial load of the vehicle is serious, and in severe cases, it may even cause a rollover, which is a serious safety hazard. SUMMARY OF THE INVENTION [0003] In order to solve th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62D49/08
CPCB62D49/085
Inventor 孙进程磊单龙马辉王鹏
Owner XUZHOU XUGONG ENVIRONMENTAL TECH CO LTD
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