CN102966627A - Ultrahigh-pressure large-flow stand column hydraulic part test bench - Google Patents
Ultrahigh-pressure large-flow stand column hydraulic part test bench Download PDFInfo
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- CN102966627A CN102966627A CN 201110256441 CN201110256441A CN102966627A CN 102966627 A CN102966627 A CN 102966627A CN 201110256441 CN201110256441 CN 201110256441 CN 201110256441 A CN201110256441 A CN 201110256441A CN 102966627 A CN102966627 A CN 102966627A
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Abstract
The invention relates to the technical field of hydraulic part testing equipment, in particular to an ultrahigh-pressure large-flow stand column hydraulic part test bench, which comprises a pump station box, an operating platform, an electrical control system, a hydraulic system, an oil pressure adjusting device for action control, an emulsified liquid pump pressure adjusting device for component testing, and a pressure cylinder, wherein the oil pressure adjusting device is connected with the pressure cylinder through a pipeline, the emulsified liquid pump pressure adjusting device is connected with the pressure cylinder through a pipe, and the outlet end of the emulsified liquid pump pressure adjusting device is connected with a component to be tested. The ultrahigh-pressure large-flow stand column hydraulic part test bench has the advantages that the requirements on flow and pressure during stand column tests and the demand for testing performance of hydraulic components such as a mine safe valve which is matched with a stand column in use can be met, the structural design is reasonable, the static, dynamic and hot rigidness is enough, the continuous working stability is high, the precision retaining ability is good, the operation and the maintenance are very convenient to conduct, the appearance is attractive, the use requirements of high efficiency, high precision and high rigidity can be satisfied and the practicability is high.
Description
Technical field
The present invention relates to the technical field of hydraulic unit testing apparatus, especially a kind of ultra-high pressure high flow vertical column hydraulic part test bed.
Background technique
Hydraulic support is one of topmost technical equipment of China's coal-mine fully-mechanized coalface, also is the product of number of devices maximum in the fully mechanized mining face equipment.The value of hydraulic support accounts for 50% of full mine equipment total value, the valve for roof support is parts the most accurate in the hydraulic support, most critical, no matter quality, performance, reliability, Security aspect have all played central role in hydraulic bracket system, directly affect the reliability of personal safety and whole fully-mechanized mining equipment.Along with the great attention of country to safety of coal mines, set up and put under surveillance way, testing apparatus and conditional request have had new raising than early version in " MT312-2000 hydraulic support general technical specifications ", and the hydraulic test bench of this high efficiency that design makes new advances with regard to needs, highi degree of accuracy, high rigidity satisfies hydraulic support manufacturer and the hydraulic support user does various tests.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the deficiency in the prior art, the test of the performance of dispatching from the factory of the hydraulic element such as a kind of hydraulic unit mine safety valve that is applicable to critical component-column on the mine hydraulic bracket, Pilot operated check valve, one-way lock, reversible lock, stop valve, control valve, sebific duct and the ultra-high pressure high flow vertical column hydraulic part test bed of the testing property after the maintenance are provided.
The technical solution adopted for the present invention to solve the technical problems is: a kind of ultra-high pressure high flow vertical column hydraulic part test bed, comprise pumping plant case, operating table and electric control system, also comprise hydraulic system, as the hydraulic adjustment device of action control, as emulsion pump pressure regulator and the pressurized cylinder of element test, hydraulic adjustment device is connected by pipeline with pressurized cylinder, the emulsion pump pressure regulator is connected by pipeline with pressurized cylinder, and the outlet end of emulsion pump pressure regulator connects element under test.
Described hydraulic adjustment device has plunger pump and solenoid directional control valve.
Described emulsion pump pressure regulator has three-cylinder plunger pump, selector valve and is arranged on pressure regulator valve on the pumping plant case.
The invention has the beneficial effects as follows: the requirement of flow and pressure when the present invention can not only satisfy the column test, and can satisfy the test of the performance of the hydraulic element such as the matched mine safety valve of column, and reasonable in design, enough static state, dynamic, hot rigidity are arranged, continuous operation stability is high and have good precision stability, and Operation and maintenance are all very convenient, and are handsome in appearance, can reach the usage requirement of high efficiency, highi degree of accuracy, high rigidity, also have widely practicability.
Description of drawings
The present invention is further described below in conjunction with drawings and embodiments.
Fig. 1 is structural representation of the present invention.
Among the figure: 1. hydraulic adjustment device, 11. plunger pumps, 12. solenoid directional control valves, 2. emulsion pump pressure regulator, 21. three-cylinder plunger pumps, 22. selector valves, 3. pressurized cylinder.
Embodiment
The present invention is further illustrated by reference to the accompanying drawings now.The schematic representation that these accompanying drawings are simplification only illustrates basic structure of the present invention in a schematic way, so it only shows the formation relevant with the present invention.
As shown in Figure 1 also comprise hydraulic system, hydraulic system has hydraulic adjustment device 1 as action control, as emulsion pump pressure regulator 2 and the pressurized cylinder 3 of element test, hydraulic adjustment device 1 and pressurized cylinder 3 are connected by pipeline, emulsion pump pressure regulator 2 and pressurized cylinder 3 are connected by pipeline, the outlet end of emulsion pump pressure regulator 2 connects element under test, hydraulic adjustment device 1 has plunger pump 11 and solenoid directional control valve 12, and emulsion pump pressure regulator 2 has three-cylinder plunger pump 21, selector valve 22 and is arranged on pressure regulator valve on the pumping plant case.
The present invention has external interface, when the larger flux test of need, can adopt external tapping to connect, and the present invention adopts electronic button and manual operation valve group to control various oil circuits and the action of emulsified liquid loop.
The present invention adopts pressurized cylinder 3 superchargings to realize the output of high pressure and ultrahigh pressure, pressurized cylinder 3 adopts the double-action pressurized cylinder, can bidirectional booster, the pressure ratio of both sides is respectively 1: 3.6 (high pressure) and 1: 7.5 (ultrahigh pressure), with the valve group combination in the system, can realize that high low pressure reaches soon at a slow speed function of increasing pressure.
When the present invention uses, at first will carry out system pressure and regulate, being divided into following a few step carries out:
(1), oil pressure is regulated: be provided with on the operating table panel and can control the hydraulic adjustment device adjusting pressuring knob, when turning clockwise, pump pressure raises, pump pressure reduces during the inhour rotation, during pressure regulation electronic button is turned to the supercharging direction, regulate simultaneously tap changer, by pressure gauge, show that pump pressure raises or reduction.When the supercharging button returns to meta, system unloaded.
Generally speaking when test stand is not worked; the electric control button should be in meta, and the adjusting pressuring handle of pressure regulator valve should be in releasing orientation, again adjusting pressuring handle is slowly regulated lifting during work; but protective system is avoided hydraulic shock and damage equipment makes survey data reliable and stable like this.
(2), the emulsified liquid pump pressure is regulated: the emulsion pump pressure regulator valve is arranged on the inner water pump of pumping plant case, opens the pumping plant case when the needs pressure regulation, regulates the pump discharge pressure regulator valve, and pressure is heightened clockwise, and counter-clockwise pressure is turned down.
Generally speaking, emulsion pump pressure can satisfy each operating condition of test requirement in the 3MPa scope, should avoid often regulating change behind the pressure setting, in order to avoid affect emulsion pump working life.
(3), pressurized cylinder work: when the needs supercharging, should first operating grip be pulled to " pressurized cylinder topping up " (high pressure or ultrahigh pressure), (emulsion pump pressure changes judgement) resets this handle after pressurized cylinder is full of liquid, and then the beginning blower operations.
When the pressure of supercharging output is regulated, after handle is shifted pressurization position onto, should slowly regulate the pressure regulator valve handle, observe simultaneously Pump pressure meter and pressurized cylinder pressure gauge pressure, as find that pressure ratio is not right, should stop immediately supercharging, more again operation after the off-load, operate again after should getting rid of if any fault, until required pressure.
(4), feed flow and off-load
After oil pump and emulsion pump started, the oil pump water pump namely began feed flow, returns liquid by operating grip to certain road " feed flow " and by the corresponding interface.
Above-mentioned mode of execution only is explanation technical conceive of the present invention and characteristics; its purpose is to allow the personage that is familiar with technique can understand content of the present invention and is implemented; can not limit protection scope of the present invention with this; all equivalences that Spirit Essence is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (3)
1. ultra-high pressure high flow vertical column hydraulic part test bed, comprise the pumping plant case, operating table and electric control system, it is characterized in that: also comprise hydraulic system, hydraulic system has the hydraulic adjustment device (1) as action control, emulsion pump pressure regulator (2) and pressurized cylinder (3) as element test, hydraulic adjustment device (1) is connected by pipeline with pressurized cylinder (3), emulsion pump pressure regulator (2) is connected by pipeline with pressurized cylinder (3), and the outlet end of emulsion pump pressure regulator (2) connects element under test.
2. ultra-high pressure high flow vertical column hydraulic part test bed according to claim 1, it is characterized in that: described hydraulic adjustment device (1) has plunger pump (11) and solenoid directional control valve (12).
3. ultra-high pressure high flow vertical column hydraulic part test bed according to claim 1 is characterized in that: described emulsion pump pressure regulator (2) has three-cylinder plunger pump (21), selector valve (22) and is arranged on pressure regulator valve on the pumping plant case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110256441 CN102966627A (en) | 2011-08-31 | 2011-08-31 | Ultrahigh-pressure large-flow stand column hydraulic part test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110256441 CN102966627A (en) | 2011-08-31 | 2011-08-31 | Ultrahigh-pressure large-flow stand column hydraulic part test bench |
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| Publication Number | Publication Date |
|---|---|
| CN102966627A true CN102966627A (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110256441 Pending CN102966627A (en) | 2011-08-31 | 2011-08-31 | Ultrahigh-pressure large-flow stand column hydraulic part test bench |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819840A (en) * | 2015-05-22 | 2015-08-05 | 焦作欣扬程煤矿设备有限公司 | Dual-pressurization cylinder test bench |
| CN105605032A (en) * | 2014-10-30 | 2016-05-25 | 北京精密机电控制设备研究所 | Dynamic loading device for dynamic pressure feedback test of servo valve |
| CN107101903A (en) * | 2017-06-02 | 2017-08-29 | 常州大学 | HTHP multiphase flow injecting type erosion-corrosion experiment device |
-
2011
- 2011-08-31 CN CN 201110256441 patent/CN102966627A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605032A (en) * | 2014-10-30 | 2016-05-25 | 北京精密机电控制设备研究所 | Dynamic loading device for dynamic pressure feedback test of servo valve |
| CN104819840A (en) * | 2015-05-22 | 2015-08-05 | 焦作欣扬程煤矿设备有限公司 | Dual-pressurization cylinder test bench |
| CN104819840B (en) * | 2015-05-22 | 2018-08-24 | 焦作欣扬程煤矿设备有限公司 | A kind of double pressure cylinder test stands |
| CN107101903A (en) * | 2017-06-02 | 2017-08-29 | 常州大学 | HTHP multiphase flow injecting type erosion-corrosion experiment device |
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| C06 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130313 |