CN104454494A - Testing system for positive and negative rotation performance of closed type hydraulic pump - Google Patents
Testing system for positive and negative rotation performance of closed type hydraulic pump Download PDFInfo
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- CN104454494A CN104454494A CN201410804846.0A CN201410804846A CN104454494A CN 104454494 A CN104454494 A CN 104454494A CN 201410804846 A CN201410804846 A CN 201410804846A CN 104454494 A CN104454494 A CN 104454494A
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Abstract
The invention discloses a testing system for the positive and negative rotation performance of a closed type hydraulic pump. The testing system comprises a main oil tank, a first testing oil path, a second testing oil path, a bridge type loop, a leakage oil path, a control oil path and a pressure oil supply path; the bridge type loop is of a closed type loop structure formed by connecting a first one-way valve, a second one-way valve, a third one-way valve and a fourth one-way valve in sequence; a first joint, a second joint, a third joint and a fourth joint are sequentially formed between the adjacent one-way valves. The testing system can test the flow, pressure and temperature when the closed type hydraulic product pump runs, can also carry out impact and positive and negative rotation tests on the hydraulic product pump, and has the advantages of being wide in testing purpose, convenient to operate and the like.
Description
Technical field
The invention belongs to hydraulic product detection technique field, relate to a kind of closed type hydraulic pump clockwise and anticlockwise Performance Test System.
Background technique
Oil hydraulic pump is the dynamical element of hydraulic system, is by motor or motoring, from hydraulic oil container, sucks fluid, and mineralization pressure oil is discharged, and delivers to a kind of element of executive component.Closed type hydraulic pump operationally adopts forced feed mode.Closed type hydraulic pump needs to test the service behaviour of pump after finalization of the manufacture, such as test the pressure of oil circuit, temperature, flow and impacting, pros turn performance in situation.And current test system is difficult to meet above-mentioned requirements.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of closed type hydraulic pump clockwise and anticlockwise Performance Test System, to overcome the deficiency that prior art exists.
For solving the problems of the technologies described above, the present invention adopts following technological scheme:
A kind of closed type hydraulic pump clockwise and anticlockwise Performance Test System, it comprises main fuel tank, the first test oil circuit, the second test oil circuit, bridge type return, draining road, oil circuit control and forced feed road;
Described bridge type return is linked in sequence into closed circuit structure by the first one-way valve, the second one-way valve, the 3rd one-way valve, the 4th one-way valve, wherein forms first node successively between adjacent one-way valve, Section Point, the 3rd node, the 4th node;
Described first test oil circuit comprises first-class gauge, the first stop valve, the first temperature transducer, the first pressure transducer; Described first-class gauge one end is connected with the first main hydraulic fluid port of test product pump, the other end connects described first stop valve, described first stop valve connects the first node of bridge type return again, described first temperature transducer, described first pressure transducer be arranged on described first test oil circuit on first-class gauge and the first main hydraulic fluid port of test product between position;
Described second test oil circuit comprises return filter, second gauge, the second stop valve, the second temperature transducer, the second pressure transducer; One end of described return filter is connected with the second main hydraulic fluid port of test product pump, the other end connects the second stop valve through described second gauge, described second stop valve connects the 3rd node of described bridge type return again, described second temperature transducer, described second pressure transducer be arranged on described second test oil circuit on return filter and second gauge between position;
Described draining road comprises the 3rd stop valve, the filter that leaks outside, the 3rd flowmeter, three-temperature sensor, the 3rd pressure transducer, electric switching valve; Described 3rd stop valve one end is connected to the leakage hydraulic fluid port of test product pump, and the filter that leaks outside described in the other end warp is connected to described 3rd flowmeter, and described 3rd flowmeter is connected to main fuel tank, and described electric switching valve is connected in parallel on described 3rd flowmeter; Described three-temperature sensor, the 3rd pressure transducer are arranged on the position that described draining road leaks outside between filter and the 3rd flowmeter;
Described oil circuit control comprises the first relief valve, the second relief valve, solenoid directional control valve and the 3rd relief valve; Described solenoid directional control valve is connected with the 3rd relief valve and is formed impact test and control seed oil road, after described impact test controls seed oil road, described first relief valve, described second relief valve three parallel connection, one end connects the Section Point of described bridge type return, and the other end is connected to main fuel tank;
Described forced feed road comprises the 5th stop valve, the first oil pump, the 8th oil purifier, the 4th relief valve, the 5th relief valve; Described 5th stop valve one end connects described main fuel tank, and the other end is connected to the 4th node of bridge type return successively through described first oil pump, described 8th oil purifier, described 4th relief valve, described 5th relief valve.
After described impact test controls seed oil road, described first relief valve, described second relief valve three parallel connection, the described the other end through the first cooler of parallel connection and the second cooler, and then connects back described main fuel tank after the first oil purifier.
This test system also comprises pilot control oil circuit, and described pilot control oil circuit comprises the 6th stop valve, the second oil pump, the 6th relief valve, the 7th relief valve; Described 6th stop valve one end connects described main fuel tank, the other end are connected to described 4th relief valve successively control filler opening through described second oil pump, described 5th one-way valve, described second oil purifier, and the control unloading port of described 4th relief valve connects back described main fuel tank.
Described pilot control oil circuit is provided with pressurize device and the 5th pressure transducer.
This test system also comprises cool cycles oil circuit, and described cool cycles oil circuit comprises the 6th oil purifier, the 3rd cooler, the 7th oil pump, the 9th stop valve and cold oil case; Described 6th oil purifier one end connects main fuel tank, and the other end is connected to cold oil case through the 3rd cooler, the 7th oil pump, the 9th stop valve successively, and described cold oil case connects back main fuel tank again.
This test system also comprises waste oil and reclaims oil circuit, and described waste oil reclaims oil circuit and comprises the 5th oil pump, the 6th oil pump, the 6th one-way valve, the 7th one-way valve, the 7th oil purifier; Described 5th oil pump is respectively connected dirty oil tank in one end with described 6th oil pump, and the other end is respectively through described 6th one-way valve, described 7th one-way valve, be connected to described cold oil case through described 7th oil purifier again.
Adopt technique scheme, closed type hydraulic pump clockwise and anticlockwise Performance Test System of the present invention can realize testing flow, pressure and temperature during hydraulic product pump operation, and also can carry out impact, the clockwise and anticlockwise testing property of hydraulic product.Therefore, closed type hydraulic pump clockwise and anticlockwise Performance Test System of the present invention has the advantages such as test-purpose is extensive, easy to operate.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described in detail:
Fig. 1 is system architecture schematic diagram of the present invention.
Embodiment
As shown in Figure 1, closed type hydraulic pump clockwise and anticlockwise Performance Test System of the present invention, comprises main fuel tank 100, first and tests oil circuit 300, second test oil circuit 400, bridge type return 500 and draining road 600.
Bridge type return 500 is linked in sequence into closed circuit structure by 4 the first one-way valve F1, the second one-way valve F2, the 3rd one-way valve F3, the 4th one-way valve F4, wherein form first node J1 successively between adjacent one-way valve, Section Point J2, the 3rd node J3, the 4th node J4.
First test oil circuit 300 comprises first-class gauge L1, the first stop valve K1, the first temperature transducer W1, the first pressure transducer P1.Wherein, first-class gauge L1 one end is connected with the first main hydraulic fluid port of test product pump, and the other end connects the first stop valve K1.First stop valve K1 connects the first node J1 of bridge type return 500 again.First temperature transducer W1, the first pressure transducer P1 are then arranged on position between first-class gauge L1 on the first test oil circuit 300 and the first main hydraulic fluid port of test product.
Second test oil circuit 400 comprises return filter G1, second gauge L2, the second stop valve K2, the second temperature transducer W2, the second pressure transducer P2.Wherein, one end of return filter G1 is connected with the second main hydraulic fluid port of test product pump, and the other end connects the second stop valve K2 through second gauge L2.Second stop valve K2 connects the 3rd node J3 of bridge type return again.Second temperature transducer W2, the second pressure transducer P2 are then arranged on the position between return filter G1 on the second test oil circuit 400 and second gauge L2.
Draining road 600 comprises the 3rd stop valve K3, the filter G2 that leaks outside, the 3rd flowmeter L3, three-temperature sensor W3, the 3rd pressure transducer P3, electric switching valve D2.Wherein the 3rd stop valve K3 one end is connected to the leakage hydraulic fluid port of test product pump, and the other end is connected to the 3rd flowmeter L3 through the filter G2 that leaks outside.3rd flowmeter L3 is connected to main fuel tank 100, and electric switching valve D2 is connected in parallel on the 3rd flowmeter L3.Three-temperature sensor W3, the 3rd pressure transducer P3 are arranged on the position that this draining road 600 leaks outside between filter G2 and the 3rd flowmeter L3;
Oil circuit control 700 comprises the first relief valve Y1, the second relief valve Y2, solenoid directional control valve D1 and the 3rd relief valve Y3.Wherein, solenoid directional control valve D1 connects with the 3rd relief valve Y3 and forms impact test and control seed oil road, after this impact test controls seed oil road, the first relief valve Y1, the second relief valve Y2 three parallel connection, one end connects the Section Point J2 of bridge type return, the other end through the first cooler Q1 of parallel connection and the second cooler Q2, and then is connected to main fuel tank 100 after the first oil purifier N1.
In addition, this test system also includes forced feed road 810, pilot control oil circuit 820, X mouth oil circuit control 830 and a 2nd X mouth oil circuit control 840.
Forced feed road 810 comprises the 5th stop valve K5, the first oil pump B1, the 8th oil purifier N8, the 4th relief valve Y4, the 5th relief valve Y5.Wherein, the 5th stop valve K5 one end connects main fuel tank 100, and the other end is successively through the first oil pump B1, the 8th oil purifier N8, and the 4th relief valve Y4, the 5th relief valve Y5 are connected to the 4th node J4 of bridge type return 500.
Pilot control oil circuit 820 comprises the 6th stop valve K6, the second oil pump B2, the 6th relief valve Y6, the 7th relief valve Y7.Wherein, 6th stop valve K6 one end connects main fuel tank 100, the other end are connected to the 4th relief valve Y4 successively control filler opening through the second oil pump B2, the 5th one-way valve F5, the second oil purifier N2, and the control unloading port of the 4th relief valve Y4 connects back main fuel tank 100 through the 3rd oil purifier N3.Second oil purifier N2, through the 6th relief valve Y6 parallel with one another and the 7th relief valve Y7, then connects back main fuel tank 100 through the 3rd oil purifier N3.In addition, this oil circuit is also arranged pressurize device A1 and the 5th pressure transducer P5.
In addition, the present invention also includes cool cycles oil circuit 850, and this cool cycles oil circuit 850 comprises the 6th oil purifier N6, the 3rd cooler Q3, the 7th oil pump B7, the 9th stop valve K9 and cold oil case 900.Wherein the 6th oil purifier N6 one end connects main fuel tank 100, and the other end is connected to cold oil case 900 through the 3rd cooler Q3, the 7th oil pump B7, the 9th stop valve K9 successively, and cold oil case 900 connects back main fuel tank 100 again.
Also include waste oil and reclaim oil circuit 860, this waste oil reclaims oil circuit 860 and comprises the 5th oil pump B5, the 6th oil pump B6, the 6th one-way valve F6, the 7th one-way valve F7, the 7th oil purifier N7.Wherein the 5th oil pump B5 is connected dirty oil tank with the 6th oil pump B6 one end, and the other end is respectively through the 6th one-way valve F6, the 7th one-way valve F7, be connected to cold oil case 900 through the 7th oil purifier N7 again.
Be exactly more than closed type hydraulic pump clockwise and anticlockwise Performance Test System of the present invention, its test mode is as follows:
1, the test of enclosed pump.
When enclosed pump rotates forward, from main fuel tank 100 through forced feed road 810, the 4th node J4, the first node J1 of bridge type return 500, the first test oil circuit 300 oil-feed; Through the second test oil circuit 400, the 3rd node J3 of bridge type return 500, Section Point J2, oil circuit control 700 times main fuel tanks 100; Draining road 600 Leakage Energy.In oil circuit control 500, second relief valve Y2 shields, first relief valve Y1 fictitious load, can load-sensitive test be carried out, namely by adjustment first relief valve Y1 can test enclosed pump to test at the first test oil circuit 300, second flow on oil circuit 400 and draining road 600, pressure, temperature value thus test enclosed pump rotate forward time service behaviour; Can test enclosed pump by opening and closing solenoid directional control valve D1 and test flow on oil circuit 400 and draining road 600, pressure, temperature value thus the shock test of carrying out when enclosed pump rotates forward at the first test oil circuit 300, second, the 3rd relief valve Y3 is for setting flow during shock test.
During the reversion of enclosed pump, from main fuel tank 100 through forced feed road 810, the 4th node J4, the 3rd node J3 of bridge type return 500, the second test oil circuit 400 oil-feed; Through the first test oil circuit 300, the first node J1 of bridge type return 500, Section Point J2, oil circuit control 700 times main fuel tanks 100; Draining road 600 Leakage Energy.In oil circuit control 500, second relief valve Y2 shields, first relief valve Y1 fictitious load, can load-sensitive test be carried out, namely by adjustment first relief valve Y1 can test enclosed pump to test at the first test oil circuit 300, second flow on oil circuit 400 and draining road 600, pressure, temperature value change thus the pump reversion of test enclosed time service behaviour; By opening and closing solenoid directional control valve D1 can test enclosed pump to test at the first test oil circuit 300, second flow on oil circuit 400 and draining road 600, pressure, temperature value thus carry out the reversion of enclosed pump time shock test, the 3rd relief valve Y3 is equally for setting flow during shock test.
Pilot control oil circuit 820 carrys out the fuel delivery of pilot pressure oil passage 810 by the 4th relief valve Y4 in pilot pressure oil passage 810, and the 5th relief valve Y5 in forced feed road 810 is for the protection of forced feed road 810.
2, cool cycles oil circuit 850 carries out circulating filtration, cooling for the hydraulic oil in main fuel tank 100, makes hydraulic oil in main fuel tank 100 meet usage requirement.Waste oil reclaims oil circuit 860 for being carried out filtering rear re-using by waste oil.
It is exactly more than closed type hydraulic pump clockwise and anticlockwise Performance Test System of the present invention, can be found out by foregoing detailed description, closed type hydraulic pump clockwise and anticlockwise Performance Test System of the present invention can realize testing flow, pressure and temperature during hydraulic product pump operation, and also can carry out the load-sensitive of hydraulic product, impact, clockwise and anticlockwise test, even can the testing property of simulated solution die pressing product in X mouth control situation.Therefore, this closed type hydraulic pump clockwise and anticlockwise Performance Test System of the present invention has the advantages such as test-purpose is extensive, easy to operate.
The above; it is only preferred embodiment of the present invention; not any pro forma restriction is done to the present invention; have in any art and usually know the knowledgeable; if in the protection domain not departing from claim proposed by the invention; utilize the Equivalent embodiments that the local done by disclosed technology contents is changed or modified, and do not depart from technical characteristics content of the present invention, all still belong in the scope of the technology of the present invention feature.
Claims (6)
1. a closed type hydraulic pump clockwise and anticlockwise Performance Test System, is characterized in that: comprise main fuel tank, the first test oil circuit, the second test oil circuit, bridge type return, draining road, oil circuit control and forced feed road;
Described bridge type return is linked in sequence into closed circuit structure by the first one-way valve, the second one-way valve, the 3rd one-way valve, the 4th one-way valve, wherein forms first node successively between adjacent one-way valve, Section Point, the 3rd node, the 4th node;
Described first test oil circuit comprises first-class gauge, the first stop valve, the first temperature transducer, the first pressure transducer; Described first-class gauge one end is connected with the first main hydraulic fluid port of test product pump, the other end connects described first stop valve, described first stop valve connects the first node of bridge type return again, described first temperature transducer, described first pressure transducer be arranged on described first test oil circuit on first-class gauge and the first main hydraulic fluid port of test product between position;
Described second test oil circuit comprises return filter, second gauge, the second stop valve, the second temperature transducer, the second pressure transducer; One end of described return filter is connected with the second main hydraulic fluid port of test product pump, the other end connects the second stop valve through described second gauge, described second stop valve connects the 3rd node of described bridge type return again, described second temperature transducer, described second pressure transducer be arranged on described second test oil circuit on return filter and second gauge between position;
Described draining road comprises the 3rd stop valve, the filter that leaks outside, the 3rd flowmeter, three-temperature sensor, the 3rd pressure transducer, electric switching valve; Described 3rd stop valve one end is connected to the leakage hydraulic fluid port of test product pump, and the filter that leaks outside described in the other end warp is connected to described 3rd flowmeter, and described 3rd flowmeter is connected to main fuel tank, and described electric switching valve is connected in parallel on described 3rd flowmeter; Described three-temperature sensor, the 3rd pressure transducer are arranged on the position that described draining road leaks outside between filter and the 3rd flowmeter;
Described oil circuit control comprises the first relief valve, the second relief valve, solenoid directional control valve and the 3rd relief valve; Described solenoid directional control valve is connected with the 3rd relief valve and is formed impact test and control seed oil road, after described impact test controls seed oil road, described first relief valve, described second relief valve three parallel connection, one end connects the Section Point of described bridge type return, and the other end is connected to main fuel tank;
Described forced feed road comprises the 5th stop valve, the first oil pump, the 8th oil purifier, the 4th relief valve, the 5th relief valve; Described 5th stop valve one end connects described main fuel tank, and the other end is connected to the 4th node of bridge type return successively through described first oil pump, described 8th oil purifier, described 4th relief valve, described 5th relief valve.
2. closed type hydraulic pump clockwise and anticlockwise Performance Test System according to claim 1, it is characterized in that: after described impact test controls seed oil road, described first relief valve, described second relief valve three parallel connection, the described the other end through the first cooler of parallel connection and the second cooler, and then connects back described main fuel tank after the first oil purifier.
3. closed type hydraulic pump clockwise and anticlockwise Performance Test System according to claim 1, is characterized in that: also comprise pilot control oil circuit, and described pilot control oil circuit comprises the 6th stop valve, the second oil pump, the 6th relief valve, the 7th relief valve; Described 6th stop valve one end connects described main fuel tank, the other end are connected to described 4th relief valve successively control filler opening through described second oil pump, described 5th one-way valve, described second oil purifier, and the control unloading port of described 4th relief valve connects back described main fuel tank.
4. closed type hydraulic pump clockwise and anticlockwise Performance Test System according to claim 3, is characterized in that: described pilot control oil circuit is provided with pressurize device and the 5th pressure transducer.
5. closed type hydraulic pump clockwise and anticlockwise Performance Test System according to claim 1, is characterized in that: also comprise cool cycles oil circuit, and described cool cycles oil circuit comprises the 6th oil purifier, the 3rd cooler, the 7th oil pump, the 9th stop valve and cold oil case; Described 6th oil purifier one end connects main fuel tank, and the other end is connected to cold oil case through the 3rd cooler, the 7th oil pump, the 9th stop valve successively, and described cold oil case connects back main fuel tank again.
6. closed type hydraulic pump clockwise and anticlockwise Performance Test System according to claim 5, is characterized in that: also comprise waste oil and reclaim oil circuit, and described waste oil reclaims oil circuit and comprises the 5th oil pump, the 6th oil pump, the 6th one-way valve, the 7th one-way valve, the 7th oil purifier; Described 5th oil pump is respectively connected dirty oil tank in one end with described 6th oil pump, and the other end is respectively through described 6th one-way valve, described 7th one-way valve, be connected to described cold oil case through described 7th oil purifier again.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410804846.0A CN104454494B (en) | 2014-12-19 | 2014-12-19 | Closed type hydraulic pump rotating Performance Test System |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410804846.0A CN104454494B (en) | 2014-12-19 | 2014-12-19 | Closed type hydraulic pump rotating Performance Test System |
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| CN104454494A true CN104454494A (en) | 2015-03-25 |
| CN104454494B CN104454494B (en) | 2017-09-12 |
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|---|---|---|---|---|
| US4798086A (en) * | 1987-03-23 | 1989-01-17 | Caterpillar Inc. | Test bench for testing hydraulic pumps and motors |
| CN101603527A (en) * | 2009-06-11 | 2009-12-16 | 中国矿业大学 | A kind of emulsion pump testing system |
| CN201574910U (en) * | 2009-12-30 | 2010-09-08 | 焦福伟 | Full-digital hydraulic pump detection bench |
| CN103644110A (en) * | 2013-11-25 | 2014-03-19 | 大连元利流体技术有限公司 | Integrated detection system of performance of gas-liquid booster pump |
| CN204677412U (en) * | 2014-12-19 | 2015-09-30 | 上海电气液压气动有限公司 | A kind of closed type hydraulic pump clockwise and anticlockwise Performance Test System |
-
2014
- 2014-12-19 CN CN201410804846.0A patent/CN104454494B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4798086A (en) * | 1987-03-23 | 1989-01-17 | Caterpillar Inc. | Test bench for testing hydraulic pumps and motors |
| CN101603527A (en) * | 2009-06-11 | 2009-12-16 | 中国矿业大学 | A kind of emulsion pump testing system |
| CN201574910U (en) * | 2009-12-30 | 2010-09-08 | 焦福伟 | Full-digital hydraulic pump detection bench |
| CN103644110A (en) * | 2013-11-25 | 2014-03-19 | 大连元利流体技术有限公司 | Integrated detection system of performance of gas-liquid booster pump |
| CN204677412U (en) * | 2014-12-19 | 2015-09-30 | 上海电气液压气动有限公司 | A kind of closed type hydraulic pump clockwise and anticlockwise Performance Test System |
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| CN104454494B (en) | 2017-09-12 |
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