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Underground carry-scraper bucket floating control unit

A scraper and bucket technology, applied in the field of underground scraper work control hydraulic system, can solve problems such as easy misoperation

Active Publication Date: 2021-08-31
ANHUI TONGGUAN MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003]At present, the retractable bucket of the scraper adopts a multi-way reversing valve to control the hydraulic circuit. A floating position is integrated into the valve. This method requires precise operation of the control handle angle when the bucket is leveled and dumped, and it is easy to misuse.

Method used

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  • Underground carry-scraper bucket floating control unit
  • Underground carry-scraper bucket floating control unit
  • Underground carry-scraper bucket floating control unit

Examples

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Embodiment Construction

[0010] Such as figure 1 As shown, a bucket floating control unit of an underground scraper, the rod chamber pipeline 11 and the rodless chamber pipeline 12 of the bucket driving cylinder 10 are respectively connected to the first check port of the first hydraulic control check valve 20 21. The second check port 31 of the second hydraulically controlled one-way valve 30 is connected, the first inlet 22 of the first hydraulically controlled one-way valve 20, the second oil inlet 32 ​​of the second hydraulically controlled one-way valve 30 and the oil tank When the hydraulic control interface of the first hydraulic control check valve 20 and the second hydraulic control check valve 30 is connected to the pilot control oil, the rod chamber pipeline 11 and the rodless chamber pipeline 12 of the bucket drive cylinder 10 Connect to fuel tank.

[0011] The purpose of the above technical solution is to control the tipping cylinder of the bucket, also known as the bucket drive cylinder...

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Abstract

The invention provides an underground carry-scraper bucket floating control unit. The underground carry-scraper bucket floating control unit is characterized in that a rod cavity pipeline and a rodless cavity pipeline of a bucket driving oil cylinder are correspondingly connected with a first non-return port of a first hydraulic control one-way valve and a second non-return port of a second hydraulic control one-way valve; a first inlet of the first hydraulic control one-way valve and a second oil inlet of the second hydraulic control one-way valve are connected with an oil tank, and when pilot control oil is connected into hydraulic control connectors of the first hydraulic control one-way valve and the second hydraulic control one-way valve, the rod cavity pipeline and the rodless cavity pipeline of the bucket driving oil cylinder are in communication to the oil tank. The bucket falls on the ground due to the action of the gravity of the bucket and floats along with the surface shape of the bottom surface, so that a plurality of adverse effects on the operation of a vehicle when the bucket is in a hovering posture are eliminated.

Description

technical field [0001] The invention relates to the field of a work control hydraulic system of an underground scraper. Background technique [0002] The control of bucket retraction and bucket release is an important work content of the underground scraper. The automatic leveling function of the bucket is to switch the working oil circuit to the state of no-pressure air circulation. Under the force interaction, the bucket floats freely with the ground conditions, which improves the working efficiency of the scraper. [0003] At present, the retractable bucket of the scraper is realized by controlling the hydraulic circuit through a multi-way reversing valve. Most of them do not have automatic leveling control of the bucket, and a few use a multi-way reversing valve to integrate a floating position. When controlling with the dump bucket, it is necessary to precisely operate the angle of the control handle, and it is easy to misuse. Contents of the invention [0004] In o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02F9/22
CPCE02F9/2267E02F9/2264E02F9/2278
Inventor 徐智佘千根胡智君卓义余勇徐魏超陈建张勇徐尚斌王章志段俊
Owner ANHUI TONGGUAN MACHINERY
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