CN202057491U - Energy saving hydraulic motor performance testboard apparatus - Google Patents
Energy saving hydraulic motor performance testboard apparatus Download PDFInfo
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- CN202057491U CN202057491U CN2011200993020U CN201120099302U CN202057491U CN 202057491 U CN202057491 U CN 202057491U CN 2011200993020 U CN2011200993020 U CN 2011200993020U CN 201120099302 U CN201120099302 U CN 201120099302U CN 202057491 U CN202057491 U CN 202057491U
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Abstract
Provided is an energy saving hydraulic motor performance testboard apparatus, comprising a power unit, a control and regulating unit, a loading and energy recovery unit, an oil filling and discharging unit, a cooling filter core unit, an internal and external leakage measuring unit, a data measuring unit, and an electrical control unit. By using a servo motor to drive the inner gearing gear pump, the full-closed loop control over the pressure of the tested system and the semi-closed loop control over the flow rate of the tested system can be achieved, thereby realizing the matching between the flow rate and pressure of the tested motor and substantially reducing the system overflow and throttling loss. By leading the pressure oil liquid at the outlet of the loading motor to an oil suction port of the power supply oil pump and taking the loading motor and the inner gearing gear pump for double-pump usage, the energy utilization rate is improved. Moreover, the novel motor testboard features great testing effect, high efficiency, shorter production period, and lower cost.
Description
Technical field
The utility model relates to fluid transmission and control technology, especially a kind of energy-conservation oil motor performance test table apparatus.
Background technology
Along with the development of hydraulic pressure and control technology, the oil motor application is very wide now, and output is very big, but the oil motor measuring technology is very backward.In traditional motor performance test board, be serially connected loading motor and testing motor, just the test motor treated as " motor ", load motor as " oil pump ", by surplus valve is carried out the overflow loading to loading motor, whole like this energy consumption is carried out spill losses by surplus valve; In the test motor process, need regulate the test motor rotary speed, system needs throttle grverning like this, also can cause restriction loss and spill losses; Test macro can allow energy loss very big like this, causes the temperature rise of hydraulic system oil very fast, needs very big cooling system to cool off hydraulic oil; Secondly in test motor performance process, can not accurately control pressure and flow, pressure and flow rate fluctuation are big, and measurement data can not recorded and stored, and measure substandard product and do not have removing function.
Summary of the invention
The purpose of this utility model is to solve the deficiency of above-mentioned existing motor measuring technology, driving crescent gear pump by servomotor realizes System Testing Pressure full cut-off ring is controlled, flow to test macro carries out half-closed loop control, realizes test motor flow and pressure coupling; Significantly reduce system's overflow and restriction loss, the pressure oil liquid of the outlet that loads motor is guided to power source oil pump inlet port place, loading motor and crescent gear pump uses as double pump, improved energy utilization ratio, and this novel motor performance test board good test effect, the efficient height has been saved production cycle and cost.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of energy-conservation oil motor performance test table apparatus, it is characterized in that, comprise power unit, regulating and controlling unit, loading and energy recovery unit, fill the oil extraction unit, cold filtration unit, inside and outside test leakage amount unit, DATA REASONING unit, electric control unit, described power unit and regulating and controlling unit comprise servomotor 7a, spring coupling 3a, 3b, crescent gear pump 2a; Loading and energy recovery unit comprise retaining valve 11a～11d, surplus valve 12, solenoid directional control valve 13, surplus valve 14, retaining valve 30; Fill oil extraction, cold filtration, inside and outside test leakage amount unit and comprise asynchronous machine 7b, spring coupling 3b, gear-type pump 2b, surplus valve 15, solenoid directional control valve 16, retaining valve 17, solenoid directional control valve 18, refrigeratory 19, filtrator 20, stop valve 29, reversal valve 27, surplus valve 26 and graduated cylinder 28; DATA REASONING is by pressure transducer 6, torque sensor 23, speed probe 25, motor servo driver 31, PLC forms, make test board device output pressure full cut-off ring or flow semiclosed loop by DATA REASONING and electric control unit, described servomotor 7a drives crescent gear pump 2a by spring coupling 3a, crescent gear pump 2a presses hydraulic fluid port and is connected with pressure transducer 6, electromagnetism pilot operated directional control valve 4, surplus valve 5, crescent gear pump 2a inlet port respectively with oil sucting one-way valve 1, the B of surplus valve 13 and solenoid directional control valve 14, the T mouth connects, the A of electromagnetism pilot operated directional control valve 14, the B mouth respectively with the test motor 21 A, the B mouth links to each other, by retaining valve 11a, 11b, 11c, 11d, pilot proportional surplus valve 12 and loading motor 22 constitute one test motor 21 are loaded, pilot proportional surplus valve 12 oil-ins and reversal valve 14A, the P mouth joins, test motor 21 is connected by torque sensor 23 with loading motor 22, speed probe 25 and digital indicator 24 are housed on the torque sensor 23, pass through spring coupling 3b driven gear pump 2b by asynchronous machine 7b, the oil-out of gear-type pump 2b also is connected with surplus valve 15, solenoid directional control valve 16, retaining valve 17, solenoid directional control valve 18, the A of solenoid directional control valve 16, the B mouth respectively with the A that loads motor 22, the B mouth joins, the outlet of surplus valve 15, the outlet of retaining valve 17 takes back fuel tank, the T mouth of electromagnetism pilot operated directional control valve 4 is connected to retaining valve 30, the outlet of surplus valve 13, the A mouth of the outlet of pilot proportional surplus valve 12 and solenoid directional control valve 18 is also received refrigeratory 19, filtrator 20 oil-ins, the test motor 21 two unloading ports respectively with oil-filled loop on stop valve 29 and the P mouth of reversal valve 27 link to each other the A of solenoid directional control valve 27, the B mouth joins with surplus valve 26 and graduated cylinder 28 respectively.
The utility model can also adopt following technical measures to solve: as further improving, it is corresponding corresponding higher by about 10% than the test motor displacement that described loading motor displacement is wanted, use as oil pump loading motor, load the motor pressure oil circuit and connect on the power unit oil circuit internal heat generation intermeshing gear pump inlet port, load motor and crescent gear pump like this and be equivalent to the double pump fuel feeding by solenoid directional control valve 13.
The described oil extraction unit that fills carries out off-load by solenoid directional control valve 18 under off position.
Described measurement and electric control unit comprise pressure transducer 6,, torque sensor 23, speed probe 25, motor servo driver 31, PLC32 form, output signal to output speed and the moment of torsion that motor servo driver is controlled motor by PLC32, the flow and the pressure of system requirements are complementary, servomotor 7a output torque are carried out full cut-off ring control and the output speed of servomotor 7a is carried out half-closed loop control by programmed control; The flow and the pressure of test board device are complementary, and can preserve test data and the defective motor of screening automatically.
The beneficial effects of the utility model are: drive crescent gear pump by servomotor and realize the control of System Testing Pressure full cut-off ring, the flow of test macro is carried out half-closed loop control, realize test motor flow and pressure coupling; Significantly reduce system's overflow and restriction loss, the pressure oil liquid of the outlet that loads motor is guided to power source oil pump inlet port place, loading motor and crescent gear pump uses as double pump, improved energy utilization ratio, and this novel motor test board good test effect, the efficient height has been saved production cycle and cost.
Description of drawings
Fig. 1 is a schematic diagram of the present utility model.
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
As shown in Figure 1, a kind of energy-conservation oil motor performance test table apparatus, it is characterized in that, comprise power unit, regulating and controlling unit, loading and energy recovery unit, fill the oil extraction unit, cold filtration unit, inside and outside test leakage amount unit, DATA REASONING unit, electric control unit, described power unit and regulating and controlling unit comprise servomotor 7a, spring coupling 3a, 3b, crescent gear pump 2a; Loading and energy recovery unit comprise retaining valve 11a～11d, surplus valve 12, solenoid directional control valve 13, surplus valve 14, retaining valve 30; Fill oil extraction, cold filtration, inside and outside test leakage amount unit and comprise asynchronous machine 7b, spring coupling 3b, gear-type pump 2b, surplus valve 15, solenoid directional control valve 16, retaining valve 17, solenoid directional control valve 18, refrigeratory 19, filtrator 20, stop valve 29, reversal valve 27, surplus valve 26 and graduated cylinder 28; DATA REASONING is by pressure transducer 6, torque sensor 23, speed probe 25, motor servo driver 31, PLC forms, make test board device output pressure full cut-off ring or flow semiclosed loop by DATA REASONING and electric control unit, described servomotor 7a drives crescent gear pump 2a by spring coupling 3a, crescent gear pump 2a presses hydraulic fluid port and is connected with pressure transducer 6, electromagnetism pilot operated directional control valve 4, surplus valve 5, crescent gear pump 2a inlet port respectively with oil sucting one-way valve 1, the B of surplus valve 13 and solenoid directional control valve 14, the T mouth connects, the A of electromagnetism pilot operated directional control valve 14, the B mouth respectively with the test motor 21 A, the B mouth links to each other, by retaining valve 11a, 11b, 11c, 11d, pilot proportional surplus valve 12 and loading motor 22 constitute one test motor 21 are loaded, pilot proportional surplus valve 12 oil-ins and reversal valve 14A, the P mouth joins, test motor 21 is connected by torque sensor 23 with loading motor 22, speed probe 25 and digital indicator 24 are housed on the torque sensor 23, pass through spring coupling 3b driven gear pump 2b by asynchronous machine 7b, the oil-out of gear-type pump 2b also is connected with surplus valve 15, solenoid directional control valve 16, retaining valve 17, solenoid directional control valve 18, the A of solenoid directional control valve 16, the B mouth respectively with the A that loads motor 22, the B mouth joins, the outlet of surplus valve 15, the outlet of retaining valve 17 takes back fuel tank, the T mouth of electromagnetism pilot operated directional control valve 4 is connected to retaining valve 30, the outlet of surplus valve 13, the A mouth of the outlet of pilot proportional surplus valve 12 and solenoid directional control valve 18 is also received refrigeratory 19, filtrator 20 oil-ins, the test motor 21 two unloading ports respectively with oil-filled loop on stop valve 29 and the P mouth of reversal valve 27 link to each other the A of solenoid directional control valve 27, the B mouth joins with surplus valve 26 and graduated cylinder 28 respectively.
It is corresponding corresponding higher by about 10% than the test motor displacement that described loading motor displacement is wanted, use as oil pump loading motor, load the motor pressure oil circuit and connect on the power unit oil circuit internal heat generation intermeshing gear pump inlet port, load motor and crescent gear pump like this and be equivalent to the double pump fuel feeding by solenoid directional control valve 13.
The described oil extraction unit that fills carries out off-load by solenoid directional control valve 18 under off position.
Described electric control unit comprises pressure transducer, speed probe, torque sensor motor servo driver 31, PLC32, composition, output signal to output speed and the moment of torsion that motor servo driver is controlled motor by host computer, the flow and the pressure of system requirements are complementary, by programmed control servomotor 7a output torque is carried out full cut-off ring control and the output speed of servomotor 7a is carried out half-closed loop control, the flow and the pressure of test board device are complementary, and can preserve test data and the defective motor of screening automatically.
When needs test motor performance, after starting power source motor 7a and oil pump 2a, give different torque signals of servomotor 7a and different rotating speeds signal by motor servo driver, allow servomotor 7a output variable speed and moment of torsion drive crescent gear pump 2a fuel feeding, make the pressure and the flow of crescent gear pump 2a top hole pressure oil follow the variation of motor servo driver output signal, allow after the electromagnet YA1 of electromagnetism pilot operated directional control valve 4 or the YA2 energising, pressure oil is connected the A of test motor 21, motor begins to start behind the B mouth, give pilot proportional surplus valve 12 proportion electro-magnet YA5 different proportion signals, allow test motor 21 detect the every performance of motor in different nominal load situations, the T mouth of electromagnetism pilot operated directional control valve 4 is received retaining valve in the test process, allows test motor 21 bear under certain back pressure and works.
The discharge capacity that loads motor 22 is corresponding bigger by about 10% than test motor 21 discharge capacities, load motor 22 output pressure oil ratioes test motor 21 input pressures oil flow so and want big by about 10%, it is little by about 20% that pressure is wanted, in test motor 21 processes, allow solenoid directional control valve 14 electromagnet YA6 switch on, the pressure oil that loads motor 22 outputs is guided to internal gear 2a inlet port, except fraction pressure oil from loading proportional pressure control valve 12 spill lossess, most of pressure oil is utilized by the power source secondary again, load motor 22 and just become " oil pump " fuel feeding at its actual functional capability of loading procedure, load motor 22 this moment and constitute double pump series connection fuel feeding with crescent gear pump 2a, corresponding the reducing of torque of servomotor 7a output, the energy consumption of total system will reduce greatly.
Change servomotor 7a input speed control signal, carrying out the tach signal feedback by the scrambler inside the servomotor 7a makes servomotor 7a output speed be in half-closed loop control, the flow that makes system output is at the half-closed loop control state, the flow direct ratio of crescent gear pump 2a output just and the rotating speed of servomotor 7a; Can measure the motor performance parameter under the different rotating speeds like this; Change the proportion electro-magnet YA5 signal and the servomotor 7a input torque signal of proportional pressure valve 12, the signal that feeds back to servomotor 7a by pressure transducer 6 makes the moment of torsion of servomotor 7a output be in the control of full cut-off ring, the pressure that makes system's output is at the full cut-off loop control state, can measure motor performance parameter under the different rated pressures like this, whole test process does not need traditional throttle grverning and overflow voltage regulation function, has reduced throttling and overflow power attenuation.
Import and export, load the pressure of motor 22 import and export, system in order to detect test motor 21, connect tensimeter at these five pressure taps respectively; The torque sensor 23 that band rotating speed instrument 24,25 is housed between test motor 21 and the loading motor 22 detects the rotating speed and the moment of torsion of test motor 21 outputs, electric control unit is made up of PLC, motor servo driver, host computer etc., institute's measurement data that detects compares through handling with the motor performance setup parameter, indicates nonconformance automatically.
Claims (4)
1. energy-conservation oil motor performance test table apparatus, it is characterized in that, comprise power unit, regulating and controlling unit, loading and energy recovery unit, fill the oil extraction unit, cold filtration unit, inside and outside test leakage amount unit, DATA REASONING unit, electric control unit, described power unit and regulating and controlling unit comprise servomotor (7a), spring coupling (3a, 3b), crescent gear pump (2a); Load and energy recovery unit comprises retaining valve (11a～11d), surplus valve (12), solenoid directional control valve (13), surplus valve (14), retaining valve (30); Fill oil extraction, cold filtration, inside and outside test leakage amount unit and comprise asynchronous machine (7b), spring coupling (3b), gear-type pump (2b), surplus valve (15), solenoid directional control valve (16), retaining valve (17), solenoid directional control valve (18), refrigeratory (19), filtrator (20), stop valve (29), reversal valve (27), surplus valve (26) and graduated cylinder (28); DATA REASONING is by pressure transducer (6), torque sensor (23), speed probe (25), motor servo driver (31), PLC(32) form, make test board device output pressure full cut-off ring or flow semiclosed loop by DATA REASONING and electric control unit, described servomotor (7a) drives crescent gear pump (2a) by spring coupling (3a), crescent gear pump (2a) is pressed hydraulic fluid port and is connected with pressure transducer (6), electromagnetism pilot operated directional control valve (4), surplus valve (5), crescent gear pump (2a) inlet port respectively with oil sucting one-way valve (1), the B of surplus valve (13) and solenoid directional control valve (14), the T mouth connects, the A of electromagnetism pilot operated directional control valve (14), the B mouth respectively with test motor (21) A, the B mouth links to each other, by retaining valve (11a, 11b, 11c, 11d), pilot proportional surplus valve (12) and loading motor (22) constitute one test motor (21) are loaded, pilot proportional surplus valve (12) oil-in and reversal valve (14) A, the P mouth joins, test motor (21) is connected by torque sensor (23) with loading motor (22), speed probe (25) and digital indicator (24) are housed on the torque sensor (23), pass through spring coupling (3b) driven gear pump (2b) by asynchronous machine (7b), the oil-out of gear-type pump (2b) also is connected with surplus valve (15), solenoid directional control valve (16), retaining valve (17), solenoid directional control valve (18), the A of solenoid directional control valve (16), the B mouth respectively with the A that loads motor (22), the B mouth joins, the outlet of surplus valve (15), the outlet of retaining valve (17) takes back fuel tank, the T mouth of electromagnetism pilot operated directional control valve (4) is connected to retaining valve (30), the outlet of surplus valve (13), the A mouth of the outlet of pilot proportional surplus valve (12) and solenoid directional control valve (18) is also received refrigeratory (19), filtrator (20) oil-in, the test motor (21) two unloading ports respectively with oil-filled loop on stop valve (29) and the P mouth of reversal valve (27) link to each other the A of solenoid directional control valve (27), the B mouth joins with surplus valve (26) and graduated cylinder (28) respectively.
2. according to the described energy-conservation oil motor performance test table apparatus of claim 1, it is characterized in that described loading motor (22) pressure oil circuit is connected power unit oil circuit crescent gear pump (2a) inlet port by solenoid directional control valve (13).
3. according to the described energy-conservation oil motor performance test table apparatus of claim 1, it is characterized in that the described oil extraction unit that fills carries out off-load by solenoid directional control valve (18) under off position.
4. according to the described energy-conservation oil motor performance test table apparatus of claim 1, it is characterized in that described fuel tank is made up of main fuel tank and auxiliary fuel tank.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200993020U CN202057491U (en) | 2011-04-07 | 2011-04-07 | Energy saving hydraulic motor performance testboard apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200993020U CN202057491U (en) | 2011-04-07 | 2011-04-07 | Energy saving hydraulic motor performance testboard apparatus |
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| CN202057491U true CN202057491U (en) | 2011-11-30 |
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| CN2011200993020U Expired - Lifetime CN202057491U (en) | 2011-04-07 | 2011-04-07 | Energy saving hydraulic motor performance testboard apparatus |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016465A (en) * | 2012-12-24 | 2013-04-03 | 湖南涉外经济学院 | Electric-control and hydraulic loading loop |
| CN103343742A (en) * | 2013-07-05 | 2013-10-09 | 合肥工业大学 | Testing system and testing method for characteristics of plunger pump |
| CN104088857A (en) * | 2014-07-09 | 2014-10-08 | 浙江三一装备有限公司 | Hydraulic motor overspeed reliability test system |
| CN105822627A (en) * | 2016-06-03 | 2016-08-03 | 南通纺都置业有限公司 | Torque testing device for hydraulic motor under different pressures |
| CN106500992A (en) * | 2016-09-21 | 2017-03-15 | 北京精密机电控制设备研究所 | A kind of drainage engine kerosene servo control mechanism ground experiment method |
| CN107861063A (en) * | 2017-12-14 | 2018-03-30 | 信利光电股份有限公司 | A kind of motor testing apparatus |
| CN110246407A (en) * | 2019-05-10 | 2019-09-17 | 华中科技大学 | A kind of experimental provision of simulated seawater pressure energy operating equipment |
| CN110307986A (en) * | 2019-06-25 | 2019-10-08 | 河南美力达汽车有限公司 | A kind of extended-range automobile engine condition monitoring system |
-
2011
- 2011-04-07 CN CN2011200993020U patent/CN202057491U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016465A (en) * | 2012-12-24 | 2013-04-03 | 湖南涉外经济学院 | Electric-control and hydraulic loading loop |
| CN103343742A (en) * | 2013-07-05 | 2013-10-09 | 合肥工业大学 | Testing system and testing method for characteristics of plunger pump |
| CN103343742B (en) * | 2013-07-05 | 2015-05-27 | 合肥工业大学 | Testing system and testing method for characteristics of plunger pump |
| CN104088857A (en) * | 2014-07-09 | 2014-10-08 | 浙江三一装备有限公司 | Hydraulic motor overspeed reliability test system |
| CN105822627A (en) * | 2016-06-03 | 2016-08-03 | 南通纺都置业有限公司 | Torque testing device for hydraulic motor under different pressures |
| CN106500992A (en) * | 2016-09-21 | 2017-03-15 | 北京精密机电控制设备研究所 | A kind of drainage engine kerosene servo control mechanism ground experiment method |
| CN106500992B (en) * | 2016-09-21 | 2018-10-09 | 北京精密机电控制设备研究所 | A kind of drainage engine kerosene servo mechanism ground experiment method |
| CN107861063A (en) * | 2017-12-14 | 2018-03-30 | 信利光电股份有限公司 | A kind of motor testing apparatus |
| CN107861063B (en) * | 2017-12-14 | 2021-01-08 | 信利光电股份有限公司 | Motor testing device |
| CN110246407A (en) * | 2019-05-10 | 2019-09-17 | 华中科技大学 | A kind of experimental provision of simulated seawater pressure energy operating equipment |
| CN110246407B (en) * | 2019-05-10 | 2021-08-20 | 华中科技大学 | Experimental device for simulating seawater pressure energy operation equipment |
| CN110307986A (en) * | 2019-06-25 | 2019-10-08 | 河南美力达汽车有限公司 | A kind of extended-range automobile engine condition monitoring system |
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Granted publication date: 20111130 |