CN2844498Y - Testing system of engine-liquid composite driving pump - Google Patents
Testing system of engine-liquid composite driving pump Download PDFInfo
- Publication number
- CN2844498Y CN2844498Y CN 200520035965 CN200520035965U CN2844498Y CN 2844498 Y CN2844498 Y CN 2844498Y CN 200520035965 CN200520035965 CN 200520035965 CN 200520035965 U CN200520035965 U CN 200520035965U CN 2844498 Y CN2844498 Y CN 2844498Y
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- gear
- pump
- motor
- output
- transmission connection
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Abstract
The utility model relates to a testing system of engine-liquid composite driving pumps. A power input shaft (13) of a pump (1) is in transmission connection with a motor (12) with through fixed ratio, wherein the medium output end of the pump (1) is connected with a loading device, and is divided into an A and a B paths; an output of the A path reaches a variable displacement motor (3) through a first flow valve (4); an output of the B path reaches an oil tank (8) and a power output shaft of the motor (3) through the loading device, and is in transmission connection with an input element of a differential gear train through a one-way clutch (2); an output element of the differential gear train is in transmission connection with the shaft (13) through the fixed ratio or in coaxial transmission connection.
Description
Technical field:
The utility model is relevant with variable displacement pump or metering pump pilot system.
Background technique:
At present, in the variable displacement pump pilot system both domestic and external, need the parameter under different rotating speeds, different delivery pressure measure variable displacement pump or metering pump usually, to analyze pump performance.Variable displacement pump or metering pump be usually directly by driven by motor, and the rotational velocity of variable displacement pump or metering pump is by Electric Machine Control (as frequency control motor etc.), and variable displacement pump or metering pump pressure are directly relevant with load that system adds, and need obtain by loading system.The general loading by relief valve or throttle valve obtains.Such system adopts open system to realize that if do not consider efficient, loading system will consume whole energy in theory, and become heat energy usually, causes the temperature rise of energy waste, hydraulic system and hydraulic oil to improve.
The content of model utility:
The purpose of this utility model provides and a kind ofly can reclaim, consume energy little to energy, and loading system is many, and the compound driving pump testing of the machine liquid system of convenient test is installed easily.
The utility model is achieved in that
The compound driving pump testing of the utility model machine liquid system, the power input shaft 13 of pump 1 is fixed than being in transmission connection with motor 12, the medium output termination deceleration loading device of pump 1, the medium output of pump 1 divides A, B two-way, the output of A road is arrived motor 3 through first-class metered valve 4, the output of B road is arrived fuel tank 8, the pto 20 of motor 3 through deceleration loading device.Be in transmission connection by the input element of overrunning clutch 2 with differential gear train, the output element of differential gear train is fixed than being in transmission connection or coaxial being in transmission connection with axle 13.
Pump 1 is metering pump or variable displacement pump, and deceleration loading device is relief valve 5 or second Flow valve 4 or the relief valve 5 and second Flow valve 4 in parallel, and motor 3 is quantitative or variable displacement motor.
Deceleration loading device is in parallel with safety valve 7.
The input element of differential gear train is internal gear 10 or external gear 14 or tie-rod 21, and the output element of differential gear train is external gear 14 or internal gear 10 or tie-rod 21.
Differential gear train external gear 14 and driving gear 17 coaxial 18, axle 18 is connected with the pto 13 of variable displacement pump 1 through double Hooke's joint 16, gear 11 engagements on the output shaft of driving gear 17 and motor 12, the internal gear 10 and the gear 19 of differential gear train are connected, gear 19 and gear 9 engagements, gear 9 is in transmission connection with overrunning clutch 2.
The utility model adopts the compound transmission of machine liquid also to form closed loop, reduces motor output, and conserve energy greatly has following advantage:
1, pump is tested, can adopt two cover loading systems: relief valve 5 realizes that overflow loading, Flow valve 6 realization throttlings load.
2, control flows metered valve 4 carries out power dividing, allow most of flow this valve of flowing through, make fraction flow that loading system can the proper functioning loading system of flowing through, then most of power circuit through motor, overrunning clutch, differential gear train with Power Recovery and be aggregated on the axle 18, overrunning clutch only allow power by motor to axle 18 transmissions, and do not allow anti-pass, the input of differential gear train, output, output element are as required, can be inside and outside gear and tie-rod, its main purpose is that moment of torsion is gathered, and does not influence the speed of axle 18.In the system, because motor only needs the part of output test required torque, thereby realize energy-conservationly, make simultaneously that the motor load excursion is little, operating mode improves, the mechanical transmission link can make reuse efficiency height, transmission simple and reliable.
3, motor is fixed than gear transmission to the transmission between the pump, and the control of the rotating speed of pump is controlled by motor.
4, adopt the double Hooke's joint transmission to realize remote transmission, pump test section and power-section can be separated, reduce to influence each other, be convenient to test.The double Hooke's joint transmission also can reduce installation requirement.Also can cancel universal joint, axle 18 directly links with axle 13.
Description of drawings:
Fig. 1 is a structural drawing of the present utility model.
Fig. 2 is one of input/output structure figure of differential gear train.
Fig. 3 be differential gear train input/output structure figure two
Fig. 4 be differential gear train input/output structure figure three
Fig. 5 be differential gear train input/output structure figure four
Fig. 6 be differential gear train input/output structure figure five
Fig. 7 be differential gear train input/output structure figure six.
Embodiment:
The power input shaft 13 of variable displacement pump 1 is in transmission connection through double Hooke's joint 16 and axle 18, and gear 17,14 is coaxial 18, and gear 11 is fixed on motor 12 output shafts and gear 17 engagements.With internal gear 10 concentrics of differential gear train and the gear 19 and gear 9 engagements that is connected, gear 9 is in transmission connection with overrunning clutch 2, and overrunning clutch 2 is connected with the pto of variable displacement motor 3.The I/O mode of differential gear train is Fig. 3-shown in Figure 7 also.The medium output of variable displacement pump 1 is divided into A, B two-way, and to fuel tank 8, fuel tank 8 is arrived through proportional pressure control valve 5, proportional flow control valve 6, the safety valve 7 of parallel connection in the B road through proportional flow control valve 4, variable displacement motor 3 on the A road, and the oil inlet end of variable displacement pump 1 is connected with fuel tank 8.
Claims (5)
1, the compound driving pump testing of machine liquid system, the power input shaft (13) of pump (1) is fixed than being in transmission connection with motor (12), the medium output termination deceleration loading device of pump (1), the medium output that it is characterized in that pump (1) divides A, B two-way, the output of A road is arrived motor (3) through first-class metered valve (4), the output of B road is arrived fuel tank (8) through deceleration loading device, the pto (20) of motor (3), be in transmission connection by the input element of overrunning clutch (2) with differential gear train, the output element of differential gear train is fixed than being in transmission connection or coaxial being in transmission connection with axle (13).
2, system according to claim 1 is characterized in that pump (1) is metering pump or variable displacement pump, and deceleration loading device is relief valve (5) or second Flow valve (4) or relief valve (5) and first-class metered valve (4) in parallel, and motor (3) is quantitative or variable displacement motor.
3, system according to claim 1 is characterized in that deceleration loading device is in parallel with safety valve (7).
4, system according to claim 1, the input element that it is characterized in that differential gear train is internal gear (10) or external gear (14) or tie-rod (21), the output element of differential gear train is external gear (14) or internal gear (10) or tie-rod (21).
5, system according to claim 1, it is characterized in that differential gear train external gear (14) and driving gear (17) coaxial (18), axle (18) is connected with the pto (13) of variable displacement pump (1) through double Hooke's joint (16), gear (11) engagement on the output shaft of driving gear (17) and motor (12), the internal gear of differential gear train (10) is connected with gear (19), gear (19) and gear (9) engagement, gear (9) is in transmission connection with overrunning clutch (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520035965 CN2844498Y (en) | 2005-11-02 | 2005-11-02 | Testing system of engine-liquid composite driving pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520035965 CN2844498Y (en) | 2005-11-02 | 2005-11-02 | Testing system of engine-liquid composite driving pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2844498Y true CN2844498Y (en) | 2006-12-06 |
Family
ID=37486448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520035965 Expired - Fee Related CN2844498Y (en) | 2005-11-02 | 2005-11-02 | Testing system of engine-liquid composite driving pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2844498Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102097028A (en) * | 2011-02-10 | 2011-06-15 | 中国人民解放军后勤工程学院 | Pump unit training simulator |
| CN101545481B (en) * | 2009-05-07 | 2011-11-30 | 武汉大学 | Multifunctional pump system test bed and control method thereof |
| CN110455531A (en) * | 2019-08-14 | 2019-11-15 | 山东科技大学 | A kind of power dividing type hydraulic mechanical composite transmission system multifunctional is test bed and its applies |
-
2005
- 2005-11-02 CN CN 200520035965 patent/CN2844498Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101545481B (en) * | 2009-05-07 | 2011-11-30 | 武汉大学 | Multifunctional pump system test bed and control method thereof |
| CN102097028A (en) * | 2011-02-10 | 2011-06-15 | 中国人民解放军后勤工程学院 | Pump unit training simulator |
| CN110455531A (en) * | 2019-08-14 | 2019-11-15 | 山东科技大学 | A kind of power dividing type hydraulic mechanical composite transmission system multifunctional is test bed and its applies |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |