CN202451410U - Automatic control system for test on hydraulic fixed displacement pump/motor - Google Patents
Automatic control system for test on hydraulic fixed displacement pump/motor Download PDFInfo
- Publication number
- CN202451410U CN202451410U CN2011205500759U CN201120550075U CN202451410U CN 202451410 U CN202451410 U CN 202451410U CN 2011205500759 U CN2011205500759 U CN 2011205500759U CN 201120550075 U CN201120550075 U CN 201120550075U CN 202451410 U CN202451410 U CN 202451410U
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- China
- Prior art keywords
- fixed displacement
- motor
- torque sensor
- control system
- displacement pump
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Abstract
The utility model discloses an automatic control system for a test on a hydraulic fixed displacement pump/motor, comprising a fuel tank, as well as a fixed displacement pump and a fixed displacement motor driven by a main motor, wherein a fuel inlet pipeline of the fixed displacement pump is connected with the fuel tank, an electromagnetic loading valve is connected in a fuel outlet pipeline of the fixed displacement pump and connected to the fuel tank via a pipeline after fuel return, and the fixed displacement motor is connected with a fuel outlet of the fixed displacement pump via an electro-hydraulic directional valve and connected with a loading device; the automatic control system further comprises a computer control system, wherein a pressure sensor is arranged on the fuel outlet pipeline of the fixed displacement pump, a rotational speed/torque sensor I is arranged between the main motor and the fixed displacement pump, a flow sensor is arranged on a fuel return pipeline, the main motor drives by virtue of a frequency converter, a rotational speed/torque sensor II is arranged between the fixed displacement motor and the loading device, and the electromagnetic loading valve, the pressure sensor, the rotational speed/torque sensor I, the flow sensor and the rotational speed/torque sensor II are connected with the computer control system. The automatic control system provided by the utility model has the advantages of being high in inspection efficiency, and capable of meeting the demand of mass inspection.
Description
Technical field
The utility model relates to hydraulic pressure metering pump/field of motors, relates in particular to the quantitative pump/motor testing apparatus of a kind of hydraulic pressure, specifically is meant the quantitative pump/motor test of a kind of hydraulic pressure automatic control system.
Background technique
Need that after the quantitative pump/motor production of hydraulic pressure is accomplished finished product is carried out delivery test and whether meet the standard of dispatching from the factory with check; Mostly existing testing installation is to adopt manually operated mode to carry out to the test of the quantitative pump/motor of hydraulic pressure; Check-Out Time is long; Efficient is very low, can not satisfy the demand of check in enormous quantities.
The model utility content
The technical problem that the utility model will solve is to above-mentioned deficiency, the quantitative pump/motor test of a kind of correcting efficiency hydraulic pressure high, that can satisfy check demand in enormous quantities automatic control system to be provided.
The technical solution of the utility model is; The quantitative pump/motor test of following a kind of hydraulic pressure automatic control system is provided; Comprise fuel tank, by main motor-driven metering pump and fixed displacement motor, described metering pump inflow pipeline connects fuel tank, is connected with the electromagnetism charge valve in the flowline of metering pump and after oil return, manages and be connected to fuel tank; Described fixed displacement motor through electro-hydraulic reversing valve be connected with the oil outlet of metering pump, fixed displacement motor is connected with deceleration loading device; Also comprise computer controlled system, the flowline of described metering pump is provided with pressure transducer, is provided with rotating speed/torque sensor I between described main motor and the metering pump; Oil returning tube is provided with flow transducer; Described main motor utilizes frequency variator to drive, and is provided with rotating speed/torque sensor II between fixed displacement motor and the deceleration loading device, and described electromagnetism charge valve, pressure transducer, rotating speed/torque sensor I, flow transducer, frequency variator and rotating speed/torque sensor II all are connected with computer controlled system.
After adopting above scheme; The utility model working procedure is following: when metering pump is made an experiment; Can electro-hydraulic reversing valve be closed; Tested metering pump as measurand, after powering on, can be driven main motor through frequency variator through the computer controlled system hit testing metering pump is tested; And can load metering pump through the electromagnetism charge valve automatically through computer controlled system, in test process, test data is input to computer controlled system and forms test report through pressure transducer, flow transducer, rotating speed/torque sensor I; When quantitative prosperity is experimentized; Can the electromagnetism charge valve be closed; Electro-hydraulic reversing valve is opened, utilized this moment metering pump the mensurated amount motor to be carried out the fuel feeding test, in test process as the fuel feeding oil hydraulic pump; Computer controlled system can control be to realize the automatic test to fixed displacement motor automatically to deceleration loading device, and the data that produce in the test process are input to computer controlled system and form test report through flow transducer, pressure transducer, rotating speed torque sensor II etc.Therefore the utility model utilizes computer controlled system and sensor technology to realize the automatic test of quantitative pump/motor, has improved the efficient of test greatly, therefore is applicable to large batch of delivery test.
Description of drawings
Fig. 1 is the overall structure schematic representation of the quantitative pump/motor test of the utility model hydraulic pressure automatic control system.
Structural representation when for the quantitative pump/motor of the utility model hydraulic pressure test automatic control system metering pump being made an experiment among Fig. 2.
Structural representation when for the quantitative pump/motor of the utility model hydraulic pressure test automatic control system fixed displacement motor being made an experiment among Fig. 3.
Shown in the figure:
1, fuel tank, 2, main motor, 3, metering pump, 4, fixed displacement motor; 5, electro-hydraulic reversing valve, 6, the electromagnetism charge valve, 7, flow transducer; 8, rotating speed/torque sensor I, 9, deceleration loading device, 10, pressure transducer; 11, rotating speed/torque sensor II, 12, frequency variator, 13, computer controlled system.
Embodiment
For ease of explanation,, the quantitative pump/motor test of model utility hydraulic pressure automatic control system is elaborated below in conjunction with accompanying drawing:
Shown in accompanying drawing 1; The quantitative pump/motor test of a kind of hydraulic pressure automatic control system; The metering pump 3 and the fixed displacement motor 4 that comprise fuel tank 1, drive by main motor 2; Described metering pump 3 inflow pipelines connect fuel tank 1; Be connected with electromagnetism charge valve 6 in the flowline of metering pump 3 and after oil return, manage and be connected to fuel tank 1, described fixed displacement motor 4 through electro-hydraulic reversing valve 5 be connected with the oil outlet of metering pump 3, fixed displacement motor 4 is connected with deceleration loading device 9, also comprises computer controlled system 13; The flowline of described metering pump 3 is provided with pressure transducer 10; Be provided with rotating speed/torque sensor I8 between described main motor 2 and the metering pump 3, oil returning tube is provided with flow transducer 7, and described main motor 2 utilizes frequency variator 12 to drive; Be provided with rotating speed/torque sensor II11 between fixed displacement motor 4 and the deceleration loading device 9, described electromagnetism charge valve 6, pressure transducer 10, rotating speed/torque sensor I8, flow transducer 7, frequency variator 12 all are connected with computer controlled system 13 with rotating speed/torque sensor II11.
When metering pump is tested; As shown in Figure 2; Can drive 2 pairs of metering pumps 3 of main motor through frequency variator 12 through the computer controlled system hit testing tests; And can load through 6 pairs of metering pumps 3 of electromagnetism charge valve automatically through computer controlled system 13, in test process, test data is input to computer controlled system 13 and forms test report through pressure transducer 10, flow transducer 7, rotating speed/torque sensor I8.
When fixed displacement motor is tested; As shown in Figure 3; Electro-hydraulic reversing valve 5 is opened, utilized this moment metering pump 3 mensurated amount motor 4 to be carried out the fuel feeding test, in test process as the fuel feeding oil hydraulic pump; Computer controlled system 13 can control be to realize the automatic test to fixed displacement motor 4 automatically to deceleration loading device 9, and the data that produce in the test process are input to computer controlled system 13 and form test report through flow transducer 7, pressure transducer 10, rotating speed torque sensor II11 etc.
In the above-described embodiments; Preferred forms to the utility model is described; Obviously; Under the inventive concept of the utility model, still can make a lot of variations, all can select as required like the structural type of electromagnetism charge valve 6, pressure transducer 10, rotating speed/torque sensor I8, flow transducer 7, frequency variator 12 and rotating speed/torque sensor II11 wherein.At this, should explain that any change of under the inventive concept of the utility model, being made all will fall in the protection domain of the utility model.
Claims (1)
1. the quantitative pump/motor of hydraulic pressure is tested automatic control system; The metering pump (3) and the fixed displacement motor (4) that comprise fuel tank (1), drive by main motor (2); Described metering pump (3) inflow pipeline connects fuel tank (1); Being connected with electromagnetism charge valve (6) in the flowline of metering pump (3) manages after oil return and is connected to fuel tank (1); Described fixed displacement motor (4) through electro-hydraulic reversing valve (5) be connected with the oil outlet of metering pump (3), fixed displacement motor (4) is connected with deceleration loading device (9); It is characterized in that: also comprise computer controlled system (13), the flowline of described metering pump (3) is provided with pressure transducer (10), is provided with rotating speed/torque sensor I (8) between described main motor (2) and the metering pump (3); Oil returning tube is provided with flow transducer (7); Described main motor (2) utilizes frequency variator (12) to drive, and is provided with rotating speed/torque sensor II (11) between fixed displacement motor (4) and the deceleration loading device (9), and described electromagnetism charge valve (6), pressure transducer (10), rotating speed/torque sensor I (8), flow transducer (7), frequency variator (12) and rotating speed/torque sensor II (11) all are connected with computer controlled system (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205500759U CN202451410U (en) | 2011-12-26 | 2011-12-26 | Automatic control system for test on hydraulic fixed displacement pump/motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205500759U CN202451410U (en) | 2011-12-26 | 2011-12-26 | Automatic control system for test on hydraulic fixed displacement pump/motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202451410U true CN202451410U (en) | 2012-09-26 |
Family
ID=46867277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205500759U Expired - Fee Related CN202451410U (en) | 2011-12-26 | 2011-12-26 | Automatic control system for test on hydraulic fixed displacement pump/motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202451410U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410719A (en) * | 2013-03-12 | 2013-11-27 | 北京理工大学 | Capacity electricity loaded hydraulic pump testing device |
| CN103775436A (en) * | 2014-01-21 | 2014-05-07 | 燕山大学 | Modularly-parallel, multi-machine and energy-saving reliability testing device for hydraulic pumps and hydraulic motors |
| CN105020204A (en) * | 2015-06-24 | 2015-11-04 | 湖北先行专用汽车有限公司 | Power forklift hydraulic part pressure test equipment |
| CN115111228A (en) * | 2022-07-20 | 2022-09-27 | 北京天玛智控科技股份有限公司 | Hydraulic pump loading test system |
-
2011
- 2011-12-26 CN CN2011205500759U patent/CN202451410U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410719A (en) * | 2013-03-12 | 2013-11-27 | 北京理工大学 | Capacity electricity loaded hydraulic pump testing device |
| CN103410719B (en) * | 2013-03-12 | 2016-05-04 | 北京理工大学 | A kind of volume electricity loads test-bed for pump device |
| CN103775436A (en) * | 2014-01-21 | 2014-05-07 | 燕山大学 | Modularly-parallel, multi-machine and energy-saving reliability testing device for hydraulic pumps and hydraulic motors |
| CN105020204A (en) * | 2015-06-24 | 2015-11-04 | 湖北先行专用汽车有限公司 | Power forklift hydraulic part pressure test equipment |
| CN115111228A (en) * | 2022-07-20 | 2022-09-27 | 北京天玛智控科技股份有限公司 | Hydraulic pump loading test system |
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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: 20120926 Termination date: 20141226 |
|
| EXPY | Termination of patent right or utility model |