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Buffer type hydraulic weighing device

A weighing device and hydraulic technology, used in measuring devices, weighing devices using fluid balance, weighing, etc., can solve the problems of unreliable stability, large space occupation, complex structure, etc., and achieve wide practicability and reliability. Strong performance, compact structure and reasonable effect

Inactive Publication Date: 2008-12-03
CHINA UNIV OF MINING & TECH
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  • Summary
  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

Although they can solve the quantification of skips in newly built mines and reduce the impact of coal flow, their structures are complex and costly, especially they cannot solve the problems existing in old mines.
The patent number is 200420027170.0 "Energy-absorbing automatic fixed-weight loading device" and the published invention patent "Energy-absorbing automatic fixed-weight loading device" with application number 200410014944.0 is mainly used for fixed-weight and loading of old mine vertical shaft skip lifting , it can prepare and reliably realize fixed-weight loading without quantitative vertical shaft skip lifting, and its quantitative is accurate and reliable, but because the energy-absorbing device and weighing device adopt a split structure, there are the following disadvantages: it takes up a lot of space and is stable Unreliable performance, not suitable for old wells with small space

Method used

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  • Buffer type hydraulic weighing device

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Embodiment Construction

[0009] An embodiment of the present invention will be further described below in conjunction with accompanying drawing:

[0010] The buffer type hydraulic weighing device of the present invention is mainly composed of an oil cylinder cover 1, a piston rod 3, a guide sleeve 4, a disc spring baffle 6, a cylinder body 7, a damping baffle 10, an exhaust bolt 11, a cylinder bottom 13, a plate Formed spring 15, stop valve 20, pressure transmitter 21, data acquisition system 22. The piston rod 3 is located in the cylinder body 7 and can move up and down. The piston rod 3 is provided with a counterbore downward, and the disc spring 15 and the spring baffle 6 are arranged in the hole, and the bottom end of the piston rod 3 is provided with a damping baffle. 10. There are several small holes on the damping baffle 10, and the damping baffle 10 is connected with the piston rod 3 through the screw 19, so that the spring baffle 6 and the disk spring 15 are closed in the counterbore cavity o...

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Abstract

A hydraulic weight device of buffer type consists of data collection system, cylinder body with air vent and air intake holes, piston rod with sink hole, disc spring set in said sink hole, damping baffle with a numbers of through holes, disc spring baffle with impact proof seal washer, oil cylinder guarding cover buckled on cylinder body, guide sleeve set between piston rod and cylinder body, and pressure transmitter connected to data collection system.

Description

technical field [0001] The invention relates to a buffer type hydraulic weighing device, which is especially suitable for quantitative weighing of skip hoisting in mine shafts. Background technique [0002] At present, in the hoisting of vertical shaft skips in my country in the 1970s and before the 1970s, due to design reasons, there is no quantitative bucket device, so the skip is overloaded or even reloaded, which is very easy to cause the wire rope to slip, break the rope, and cause mine hoisting. Bring great potential safety hazards, once an accident occurs, it will seriously affect the production of coal mines. To solve this problem, scientific and technical personnel have done a lot of work. The patent No. 94242384.4 discloses the "static pressure skip quantitative weighing instrument" and the patent No. 88217240.9 discloses the "quantitative loading measurement control system". The skip load is converted into an oil pressure signal, and then the oil pressure signal i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01G5/04B66B17/26
Inventor 朱真才韩振铎邵杏国陈义强王雷杨建奎
Owner CHINA UNIV OF MINING & TECH
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