CN202560696U - Detection device for internal leakage flux of wide-range hydraulic element - Google Patents
Detection device for internal leakage flux of wide-range hydraulic element Download PDFInfo
- Publication number
- CN202560696U CN202560696U CN2011205566629U CN201120556662U CN202560696U CN 202560696 U CN202560696 U CN 202560696U CN 2011205566629 U CN2011205566629 U CN 2011205566629U CN 201120556662 U CN201120556662 U CN 201120556662U CN 202560696 U CN202560696 U CN 202560696U
- Authority
- CN
- China
- Prior art keywords
- ball valve
- container
- outlet
- trapezoidal container
- solenoid ball
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Measuring Volume Flow (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model relates to a detection device for the internal leakage flux of a wide-range hydraulic element, belonging to the technical field of leakage detection of hydraulic elements. The detection device comprises a trapezoidal container, a magnetostrictive liquid level meter, a signal processor, an inlet electromagnetic ball valve and an outlet electromagnetic ball valve, wherein the trapezoidal container is a cylindrical container of which the longitudinal section is of an isosceles trapezoid shape and is used for holding leaked oil from the hydraulic element; the bottom of the magnetostrictive liquid level meter is communicated with the trapezoidal container; the magnetostrictive liquid level meter is used for measuring the displacement change of a level float by adopting the magnetostrictive principle and transmitting a displacement signal obtained through the displace change to the signal processor; and the signal processor is used for processing and calculating the displacement signal to obtain a leakage flux signal. The inlet electromagnetic ball valve is connected with an inlet of the trapezoidal container and is used for controlling the on/off of the inlet; and the outlet electromagnetic ball valve is connected with an outlet of the trapezoidal container and is used for controlling the on/off of the outlet and adjusting the initial liquid level of the trapezoidal container. The detection device disclosed by the utility model has the advantages of wide measuring range and high test precision as well as favorable application and popularization prospect.
Description
Technical field
The utility model relates to a kind of hydraulic element internal leakage detection device of wide-range, belongs to hydraulic element leak detection technology field.
Background technique
Internal leakage is one of key index of judging the hydraulic element performance, and it has reflected the manufacturing precision and the degree of wear of hydraulic element.Yet the internal leakage test of hydraulic element is a difficult problem always, and is main because the leakage rate of different hydraulic element is widely different, changes to thousands of milliliters (big flow electrohydraulic control) from several milliliters of per minutes (one-way valve leakage rate).Traditional leakage measuring instrumentation generally adopts micro flowmeter, but its effective span is very limited, therefore, is difficult to satisfy the demand of leakage rate variation so on a large scale, influences testing precision.In addition, when the hydraulic element leakage rate very hour, even if also be difficult to accurate test with high performance micro flowmeter; When leakage rate is big, damage micro flowmeter again easily.
Summary of the invention
The purpose of the utility model is in order to solve the deficiency of existing leakage flow meter, a kind of hydraulic element internal leakage detection device of wide-range to be provided, being implemented in the accurate measurement of hydraulic element internal leakage in the wide-range scope.
The purpose of the utility model realizes through following technical proposals.
A kind of hydraulic element internal leakage detection device of wide-range comprises trapezoidal container, magnetostriction liquidometer, signal processor, inlet Solenoid ball valve and outlet Solenoid ball valve.
The function and the annexation of each constituent element are following:
Trapezoidal container is a column shape container that longitudinal cross-section is an isosceles trapezoid, is used to take up the leakage fluid from hydraulic element, and its ingress is connected with the inlet Solenoid ball valve, and this place's sectional area is big, and the outlet port is connected with the outlet Solenoid ball valve, and this place's sectional area is less; The bottom of magnetostriction liquidometer is communicated with trapezoidal container, and it adopts the change in displacement of magnetostriction principle measuring liquid level float, and the displacement signal that it obtains is transferred to signal processor; Signal processor is handled displacement signal, calculates the leakage flow signal.The inlet Solenoid ball valve is connected with the ingress of trapezoidal container, control inlet break-make, and the outlet Solenoid ball valve is connected with the outlet port of trapezoidal container; Control outlet break-make can be regulated the initial liquid level of trapezoidal container, after fluid is full of container; The outlet Solenoid ball valve is opened, the fluid in the amount discharge container.
Beneficial effect: the utility model has designed a kind of hydraulic element internal leakage detection device of wide-range, and it adopts trapezoidal container to take up leakage fluid, and through the measuring liquid level height, calculates the internal leakage size.The utility model is simple in structure, and has the advantage that range ability is big, testing precision is high, has solved the limited shortcoming of traditional leakage measuring instrumentation flowmeter range, has good application and popularizing prospect.
Description of drawings
Fig. 1 is a kind of hydraulic element internal leakage detection device of wide-range;
1-trapezoidal container, 2-magnetostriction liquidometer, 3-inlet Solenoid ball valve, 4-export Solenoid ball valve among the figure.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is elaborated.
As shown in Figure 1, a kind of hydraulic element internal leakage detection device of wide-range comprises trapezoidal container 1, magnetostriction liquidometer 2, signal processor, inlet Solenoid ball valve 3 and outlet Solenoid ball valve 4.The function and the annexation of each constituent element are following:
Trapezoidal container 1 is a column shape container that longitudinal cross-section is an isosceles trapezoid; Be used to take up the leakage fluid from hydraulic element, its ingress is connected with inlet Solenoid ball valve 3, and this place's sectional area is big; The outlet port is connected with outlet Solenoid ball valve 4, and this place's sectional area is less; The bottom of magnetostriction liquidometer 2 is communicated with trapezoidal container 1, and it adopts the change in displacement of magnetostriction principle measuring liquid level float, and the displacement signal that it obtains is transferred to signal processor; Signal processor is handled displacement signal, calculates the leakage flow signal.Inlet Solenoid ball valve 3 is connected with the ingress of trapezoidal container 1, control inlet break-make, and outlet Solenoid ball valve 4 is connected with the outlet port of trapezoidal container 1; Control outlet break-make can be regulated the initial liquid level of trapezoidal container, after fluid is full of container; Outlet Solenoid ball valve 4 is opened, the fluid in the amount discharge container.
Its working procedure is:
The first step: Solenoid ball valve 4 is opened, and closes after waiting to discharge the fluid in the trapezoidal container 1;
Second step: Solenoid ball valve 3 is opened, and the internal leakage fluid of tested hydraulic element flows into trapezoidal container 1;
The 3rd step: magnetostriction liquidometer 2 is measured the liquid level change in the trapezoidal container 1, and displacement signal is transferred to signal processor;
The 4th step: signal processor is handled displacement signal, calculates the leakage flow signal.If the ingress diameter on trapezoidal container 1 top is D
1, the outlet port diameter of its underpart is D
2, the ingress of trapezoidal container 1 and the vertical height in outlet port are H, if the liquid level signal is h
x, the diameter d of liquid level position then
xFor
Can calculate present flow rate according to formula (2):
The 5th step: in testing process, if the liquid level in the trapezoidal container 1 near H, then Solenoid ball valve 3 is closed, Solenoid ball valve 4 is opened, and discharges the fluid in the trapezoidal container 1.
Claims (1)
1. the hydraulic element internal leakage detection device of a wide-range is characterized in that: comprise trapezoidal container (1), magnetostriction liquidometer (2), signal processor, inlet Solenoid ball valve (3) and outlet Solenoid ball valve (4); Annexation is following: trapezoidal container (1) is a column shape container that longitudinal cross-section is an isosceles trapezoid; Be used to take up leakage fluid from hydraulic element; Its ingress is connected with inlet Solenoid ball valve (3); This place's sectional area is big, and the outlet port is connected with outlet Solenoid ball valve (4), and this place's sectional area is less; The bottom of magnetostriction liquidometer (2) is communicated with trapezoidal container (1), and it adopts the change in displacement of magnetostriction principle measuring liquid level float, and the displacement signal that it obtains is transferred to signal processor; Signal processor is handled displacement signal, calculates the leakage flow signal; Inlet Solenoid ball valve (3) is connected with the ingress of trapezoidal container (1); Control inlet break-make, outlet Solenoid ball valve (4) is connected with the outlet port of trapezoidal container (1), control outlet break-make; Can regulate the initial liquid level of trapezoidal container; After fluid was full of container, outlet Solenoid ball valve (4) was opened, the fluid in the amount discharge container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205566629U CN202560696U (en) | 2011-12-28 | 2011-12-28 | Detection device for internal leakage flux of wide-range hydraulic element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205566629U CN202560696U (en) | 2011-12-28 | 2011-12-28 | Detection device for internal leakage flux of wide-range hydraulic element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202560696U true CN202560696U (en) | 2012-11-28 |
Family
ID=47210357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205566629U Withdrawn - After Issue CN202560696U (en) | 2011-12-28 | 2011-12-28 | Detection device for internal leakage flux of wide-range hydraulic element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202560696U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493973A (en) * | 2011-12-28 | 2012-06-13 | 中国人民解放军65185部队 | Wide-range internal leakage detection device for hydraulic component |
| CN105444959A (en) * | 2015-12-21 | 2016-03-30 | 洛阳西苑车辆与动力检验所有限公司 | Hydraulic element tiny leakage rate measuring device and measuring method thereof |
-
2011
- 2011-12-28 CN CN2011205566629U patent/CN202560696U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493973A (en) * | 2011-12-28 | 2012-06-13 | 中国人民解放军65185部队 | Wide-range internal leakage detection device for hydraulic component |
| CN102493973B (en) * | 2011-12-28 | 2015-03-25 | 中国人民解放军65185部队 | Wide-range internal leakage detection device for hydraulic component |
| CN105444959A (en) * | 2015-12-21 | 2016-03-30 | 洛阳西苑车辆与动力检验所有限公司 | Hydraulic element tiny leakage rate measuring device and measuring method thereof |
| CN105444959B (en) * | 2015-12-21 | 2017-11-03 | 洛阳西苑车辆与动力检验所有限公司 | A kind of measurement apparatus and its measuring method of Hydraulic Elements micro leakage |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201522297U (en) | Sewage flowmeter | |
| CN203658217U (en) | Seepage starting pressure gradient test device | |
| CN201818297U (en) | Oil-gas-water three phase automatic metering device | |
| CN100439895C (en) | Oil elastic modulus detector based on volume elastic modulus definition | |
| CN102493973B (en) | Wide-range internal leakage detection device for hydraulic component | |
| CN203114786U (en) | Leakage measuring system | |
| CN101608939B (en) | High-temperature and high-pressure visual microflow measuring apparatus and measuring method | |
| CN202560696U (en) | Detection device for internal leakage flux of wide-range hydraulic element | |
| CN109708707A (en) | A kind of gas flow surveying instrument and measurement method | |
| CN206206322U (en) | A kind of low discharge leakage tester | |
| CN2901296Y (en) | Oil-liquid elasticity modulus detector based on volume elasticity modules definition | |
| CN103047224B (en) | A kind of leakage measuring instrumentation system | |
| CN202141482U (en) | Flow measuring device for forest areas | |
| CN201650537U (en) | Microcomputer high-precision fuel-measuring test-bed for fuel injection pump | |
| CN102435230A (en) | Slope plot runoff flow measurement system of triangular weir | |
| CN201241693Y (en) | Slurry flow measuring tank | |
| CN203857991U (en) | Magnetostriction displacement transduction flow meter | |
| CN102435266B (en) | The permanent head water system of flow measurement device | |
| CN102213635B (en) | Testing system for main valve leakage of hydraulic excavator | |
| CN201420546Y (en) | Full-automatic differential pressure weighing type oil-gas metering device | |
| CN201926490U (en) | Exit oil/water two-phase metering system | |
| CN203116821U (en) | Manual and automatic calibrating device of liquidometer | |
| CN207317876U (en) | Measuring tank | |
| CN203688180U (en) | Automatic blowby and leakage measuring apparatus for valve | |
| CN201513718U (en) | Pipeline structure for quickly and accurately metering liquid capacity |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121128 Effective date of abandoning: 20150325 |
|
| RGAV | Abandon patent right to avoid regrant |