CN203321939U - Hydraulic cylinder internal leakage composite detection system - Google Patents
Hydraulic cylinder internal leakage composite detection system Download PDFInfo
- Publication number
- CN203321939U CN203321939U CN2013202948090U CN201320294809U CN203321939U CN 203321939 U CN203321939 U CN 203321939U CN 2013202948090 U CN2013202948090 U CN 2013202948090U CN 201320294809 U CN201320294809 U CN 201320294809U CN 203321939 U CN203321939 U CN 203321939U
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- hydraulic cylinder
- detection system
- check valve
- measuring cup
- photoelectric sensor
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Abstract
The utility model discloses a hydraulic cylinder internal leakage composite detection system. The hydraulic cylinder internal leakage composite detection system comprises quick couplings, a hydraulic control check valve (4), a flow meter (5), a measuring cup (7) and a photoelectric sensor (6), wherein a quick coupling I (21) is connected to a rodless cavity (11) of a hydraulic cylinder, a quick coupling II (22) is connected to a rod cavity (12) of the hydraulic cylinder, a quick coupling socket (3) is connected with the hydraulic control check valve (4), the other end of the hydraulic control check valve (4) is connected with the flow meter (5), hydraulic oil flowing out of the flow meter (5) finally flows into the measuring cup (7), and the photoelectric sensor (6) is arranged above the inlet of the measuring cup (7). According to the hydraulic cylinder internal leakage composite detection system, due to the fact that the photoelectric sensor detection device is additionally arranged, and the measuring-cup type and flow-meter type detection devices combined with the existing technology are arranged, rapid and accurate detection can be conducted on oil cylinders with different leakage rates, detection time is saved, and detection efficiency is improved.
Description
Technical field
The utility model relates to a kind of oil hydraulic cylinder detection system, relates to particularly a kind of hydraulic cylinder interior leakage and leaks complex detection system, belongs to oil hydraulic cylinder detection technique field.
Background technique
The internal leakage index is an extremely important index in the test event of oil hydraulic cylinder, it has determined the quality of oil hydraulic cylinder performance to a great extent, the undetected survey method of hydraulic cylinder interior leakage commonly used has at present: 1, measuring cup method of measurement, fill with hydraulic oil in tested oil cylinder port, be forced into and need pressure at opposite side, the oil pipe of tested oil cylinder is removed, use measuring cup to be connected on the oil cylinder port place, measure and leak at the appointed time oily volume, this method of measurement result is truer, but consuming time longer, working efficiency is low; 2, use the micro-flow meter method of measurement, this method is in the situation that the oil cylinder internal leakage is larger can also use, but in leakage rate hour, this flowmeter oil mass that almost None-identified flows through, therefore can't be used.
Summary of the invention
The problem existed for above-mentioned prior art, the utility model provides a kind of hydraulic cylinder interior leakage to leak complex detection system, this system merges the three-in-one compound detection process that measuring cup detects, flowmeter detects and photoelectric sensor detects, realization detects the oil cylinder of different leakage rates, this systematic survey process is simpler and more direct, quick, makes the result of measurement more in time, accurately.
To achieve these goals, technical solution adopted in the utility model is: hydraulic cylinder interior leakage leaks complex detection system, comprise rapid pipe joint, flowmeter, measuring cup, comprise in addition Pilot operated check valve, photoelectric sensor, wherein rapid pipe joint I is connected to the rodless cavity of oil hydraulic cylinder, the rapid pipe joint II is connected to the rod chamber of oil hydraulic cylinder, and the rapid pipe joint socket connects Pilot operated check valve, the other end connection traffic meter of described Pilot operated check valve, the hydraulic oil flowed out from flowmeter finally flows in measuring cup, above the entrance of measuring cup, photoelectric sensor is arranged.
Further, described flow is counted differential pressure flowmeter.
The beneficial effects of the utility model are: compared with prior art, the utility model has added photoelectric sensor, measuring accuracy and automaticity have been improved, native system merges measuring cup type measuring device and flowmeter type measuring device commonly used in prior art in addition, can under different leakage situation, be detected, make detection mode more perfect, detection means is more convenient, and testing result more promptly and accurately.
The accompanying drawing explanation
Fig. 1 is the structural representation that the utility model hydraulic cylinder interior leakage leaks complex detection system.
In figure: 11, rodless cavity, 12, rod chamber, 21, the rapid pipe joint I, 22, the rapid pipe joint II, 3, the rapid pipe joint socket, 4, Pilot operated check valve, 5, flowmeter, 6, photoelectric sensor, 7, measuring cup, A, oil inlet pipe I, B, oil inlet pipe II, C, control oil pipe.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
Hydraulic cylinder interior leakage leaks complex detection system, as shown in Figure 1, comprise rapid pipe joint, flowmeter 5, measuring cup 7, Pilot operated check valve 4, photoelectric sensor 6, wherein rapid pipe joint I 21 is connected to the rodless cavity 11 of oil hydraulic cylinder, rapid pipe joint II 22 is connected to the rod chamber 12 of oil hydraulic cylinder, rapid pipe joint socket 3 connects Pilot operated check valve 4, the other end connection traffic meter 5 of described Pilot operated check valve 4, described flowmeter 5 is the differential pressure flowmeters that can detect tiny flow quantity, the hydraulic oil flowed out from flowmeter 5 finally flows in measuring cup 7, above measuring cup 7 entrances, photoelectric sensor 6 is set.
Testing process of the present utility model is, when rodless cavity 11 is carried out to Leak testtion, to in rod chamber 11, fill it up with hydraulic oil by oil inlet pipe I A, after oil is filled it up with, pull out oil inlet pipe I A, and rapid pipe joint socket 3 and the rapid pipe joint I 21 of rodless cavity 11 are linked together fast, after connecting, by oil inlet pipe II B, to rod chamber 12, pressurize, enter pressure oil from control oil pipe C simultaneously, Pilot operated check valve 4 is opened, make to leak the hydraulic oil Free-flow inflow-rate of water turbine meter 5 of coming, photoelectric sensor 6, splash in measuring cup 7; When rod chamber 12 is carried out to Leak testtion, should carry out above-mentioned contrary course of action, in rod chamber 12, fill with hydraulic oil, from rodless cavity 11 pressurizations, detected.In this process of above-mentioned detection, can automatically measure by 5 pairs of larger hydraulic oil of leakage rate of use traffic meter, detecting data can Digital output; The less oil cylinder to leakage rate, can detect the oil droplet number passed through in certain hour automatically by photoelectric sensor 6, and can Digital output; Finally drip to the hydraulic oil in measuring cup, can pass through artificial reading, measure the leakage rate in certain hour, realize flowmeter 5, photoelectric sensor 6, graduated cylinder 7 three-in-one composite detection methods in this process, make test result quick and precisely.
Claims (2)
1. hydraulic cylinder interior leakage leaks complex detection system, comprise rapid pipe joint, flowmeter (5), measuring cup (7), it is characterized in that, also comprise Pilot operated check valve (4), photoelectric sensor (6), wherein rapid pipe joint I (21) is connected to the rodless cavity (11) of oil hydraulic cylinder, rapid pipe joint II (22) is connected to the rod chamber (12) of oil hydraulic cylinder, rapid pipe joint socket (3) connects Pilot operated check valve (4), the other end connection traffic meter (5) of described Pilot operated check valve (4), the hydraulic oil flowed out from flowmeter (5) finally flows in measuring cup (7), there is photoelectric sensor (6) entrance top at measuring cup (7).
2. hydraulic cylinder interior leakage according to claim 1 leaks complex detection system, and it is characterized in that: described flowmeter (5) is differential pressure flowmeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202948090U CN203321939U (en) | 2013-05-27 | 2013-05-27 | Hydraulic cylinder internal leakage composite detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202948090U CN203321939U (en) | 2013-05-27 | 2013-05-27 | Hydraulic cylinder internal leakage composite detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203321939U true CN203321939U (en) | 2013-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN2013202948090U Expired - Fee Related CN203321939U (en) | 2013-05-27 | 2013-05-27 | Hydraulic cylinder internal leakage composite detection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203321939U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104384458A (en) * | 2014-11-17 | 2015-03-04 | 马钢(集团)控股有限公司 | Method for detecting internal leakage of hydraulic cylinders of CSP (compact strip production) continuous casting segments |
| CN105298820A (en) * | 2014-06-10 | 2016-02-03 | Dypower株式会社 | Measuring apparatus for oil leaked intrinsically from hydraulic cylinder |
| CN105332971A (en) * | 2015-11-26 | 2016-02-17 | 中国航空工业集团公司沈阳飞机设计研究所 | Lubricating oil pressure oiling hydraulic test stand |
| CN105698717A (en) * | 2016-01-21 | 2016-06-22 | 山东科技大学 | Plunger shrinkage monitor |
| CN105864148A (en) * | 2016-05-10 | 2016-08-17 | 燕山大学 | Qualified measuring device and method of leakage rate of sealing rings for hydraulic cylinder |
| CN110552933A (en) * | 2019-08-30 | 2019-12-10 | 徐州徐工液压件有限公司 | Device and method for monitoring leakage rate in hydraulic cylinder in real time |
| CN112431823A (en) * | 2020-12-04 | 2021-03-02 | 徐州徐工液压件有限公司 | Hydraulic oil cylinder internal leakage detection method |
| CN112855651A (en) * | 2019-11-12 | 2021-05-28 | 上海朝田实业股份有限公司 | High-precision hydraulic cylinder |
-
2013
- 2013-05-27 CN CN2013202948090U patent/CN203321939U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105298820A (en) * | 2014-06-10 | 2016-02-03 | Dypower株式会社 | Measuring apparatus for oil leaked intrinsically from hydraulic cylinder |
| CN105298820B (en) * | 2014-06-10 | 2017-07-14 | Dy Power株式会社 | For measuring the oily equipment from hydraulic cylinder internal leakage |
| CN104384458A (en) * | 2014-11-17 | 2015-03-04 | 马钢(集团)控股有限公司 | Method for detecting internal leakage of hydraulic cylinders of CSP (compact strip production) continuous casting segments |
| CN105332971A (en) * | 2015-11-26 | 2016-02-17 | 中国航空工业集团公司沈阳飞机设计研究所 | Lubricating oil pressure oiling hydraulic test stand |
| CN105698717A (en) * | 2016-01-21 | 2016-06-22 | 山东科技大学 | Plunger shrinkage monitor |
| CN105698717B (en) * | 2016-01-21 | 2019-01-29 | 山东科技大学 | Movable post contracting amount monitor |
| CN105864148A (en) * | 2016-05-10 | 2016-08-17 | 燕山大学 | Qualified measuring device and method of leakage rate of sealing rings for hydraulic cylinder |
| CN110552933A (en) * | 2019-08-30 | 2019-12-10 | 徐州徐工液压件有限公司 | Device and method for monitoring leakage rate in hydraulic cylinder in real time |
| CN112855651A (en) * | 2019-11-12 | 2021-05-28 | 上海朝田实业股份有限公司 | High-precision hydraulic cylinder |
| CN112431823A (en) * | 2020-12-04 | 2021-03-02 | 徐州徐工液压件有限公司 | Hydraulic oil cylinder internal leakage detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131204 Termination date: 20150527 |
|
| EXPY | Termination of patent right or utility model |