CN105782166A - Energy-saving type hydraulic pump durability testing table with hydraulic analog loading - Google Patents
Energy-saving type hydraulic pump durability testing table with hydraulic analog loading Download PDFInfo
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- CN105782166A CN105782166A CN201610332898.1A CN201610332898A CN105782166A CN 105782166 A CN105782166 A CN 105782166A CN 201610332898 A CN201610332898 A CN 201610332898A CN 105782166 A CN105782166 A CN 105782166A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/14—Energy-recuperation means
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- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses an energy-saving type hydraulic pump durability testing table with hydraulic analog loading. The energy-saving type hydraulic pump durability testing table is composed of a power guide module, a power output module, a cooling module, a rectifier bridge way, a loading module, an energy recovery module and an oil tank. According to the energy-saving type hydraulic pump durability testing table, energy is stored in an energy accumulator of the power guide module, and therefore the energy-saving function is achieved. According to the energy-saving type hydraulic pump durability testing table, a variable displacement motor output shaft of the loading module is coaxial with a second shaft and an overrunning coupler of the energy recovery module, a hydraulic pump is driven to rotate, and energy recovery is achieved. Hydraulic analog loading of the energy-saving type hydraulic pump durability testing table is achieved by adjusting the system pressure, and the hydraulic pump durability test rated conditions can be met. The energy-saving type hydraulic pump durability testing table can be used for testing hydraulic pumps in multiple specifications under the condition that the modules are kept unchanged.
Description
Technical field
The present invention relates to a kind of hydraulic pump test bed, particularly to a kind of energy-saving endurance test bed that hydraulic pump is applied hydraulic analog load.
Background technology
Hydraulic pump is the important motivity element in hydraulic drive, and its durability is also most important.Current hydraulic loading test system seldom considers the endurance issues of hydraulic pump, causes Frequent Troubles in overall test or complete machine use procedure.As can be seen here, in the art, it is badly in need of hydraulic pump is carried out endurancing.Additionally, there is, in hydraulic pump endurancing process, the problem that energy consumption is big, how hydraulic pump endurance test bed is carried out the improvement of energy-conservation aspect, is technical problem urgently to be resolved hurrily.
Summary of the invention
The invention aims to provide a kind of and there is the energy-saving hydraulic pump endurance test bed that hydraulic analog loads.
The present invention is made up of power elder generation guide module, power take-off module, refrigerating module, rectifier bridge, load-on module, energy recovery module and fuel tank.Described power elder generation guide module is connected with described load-on module passing ratio air relief valve.The hydraulic pump power shaft of described power take-off module is coaxial with the first axle of energy recovery module by the first torque and speed sensors.The output hydraulic pressure oil of described power take-off module enters load-on module by rectifier bridge, and maintains the fixing hydraulic fluid port input hydraulic pressure oil of variable displacement motor from load-on module all the time.The output hydraulic pressure oil of described power take-off module can flow back to fuel tank by refrigerating module.The variable displacement motor output shaft of described load-on module and the second axle of energy recovery module and overrunning clutch coaxial.
Described power elder generation guide module is made up of proportional pressure-reducing valve, the 5th overflow valve, accumulator, pressure switch, the 4th check valve, the second motor and guide's oil pump.Described guide's oil pump and the second motor coaxle；Described 5th overflow valve is used for controlling the output pressure of guide's oil pump；Described guide's oil pump is connected by the 4th check valve and the 5th overflow valve, proportional pressure-reducing valve, accumulator, pressure switch；Proportional pressure-reducing valve is to variable displacement motor voltage supply.
Described power take-off module is made up of hydraulic pump, slippage pump, the first torque and speed sensors, the first pressure transducer, the second pressure transducer, the first cooler, first flow sensor, second flow sensor, the first oil filter, the first check valve, the second check valve, the first overflow valve, the second overflow valve and the 3rd overflow valve；Described hydraulic pump is coaxial with slippage pump；Described hydraulic pump unloading port is connected with fuel tank by fluid pressure line；Described fluid pressure line has the first cooler；The hydraulic oil filtered through the first oil filter enters in slippage pump, and again through the first check valve/the second check valve to system replenisher force feed, unnecessary hydraulic oil returns to fuel tank through described 3rd overflow valve；Described first overflow valve/the second overflow valve is relief valve, is used for controlling the output pressure of hydraulic pump；Described first flow sensor/second flow sensor is used for surveying the output flow of described hydraulic pump；Described first pressure transducer/the second pressure transducer is used for surveying the output pressure of described hydraulic pump, and described second pressure transducer/the first pressure transducer is used for surveying the input pressure in loop, described hydraulic pump place simultaneously；Described first torque and speed sensors is used for surveying the rotational speed and torque of described hydraulic pump power shaft.
Described refrigerating module includes flushing valve, the 4th overflow valve, the second cooler and the second oil filter.In system, the hydraulic oil of heat is through flushing valve, and the predetermined pressure reaching the 4th overflow valve can drain into fuel tank through fluid pressure line, having the second cooler and the second oil filter on described fluid pressure line, described second oil filter complies with the test requirements document of regulation for the cleannes controlling fluid.
The rectifying valve block that described rectifier bridge is made up of four check valves.
Described load-on module is made up of variable displacement motor (present invention for the H2V number of variables motor of SAMHYDRAULIK company), the second torque and speed sensors, the 3rd cooler, the 3rd flow transducer, the 3rd pressure transducer and the 3rd check valve.Described variable displacement motor has the automatic variable characteristic that high pressure is relevant；Described variable displacement motor unloading port is connected with described fuel tank by fluid pressure line；Described fluid pressure line has the 3rd cooler；Described 3rd check valve is to prevent being emptied check valve；Described 3rd flow transducer is used for surveying the input flow rate of described variable displacement motor；Described 3rd pressure transducer is used for surveying the input pressure of described variable displacement motor；Described second torque and speed sensors is used for surveying the rotational speed and torque of described variable displacement motor output shaft.
Described energy recovery module is made up of the first motor, the first axle, the first gear, the second axle, freewheel clutch and the second gear.The first described motor and the first axle coaxially connect firmly；The first described gear and the engagement of the second gear, the first gear is fixed on the first axle by keying；Described freewheel clutch and the second gear are coordinated by voussoir, when freewheel clutch and the second gear are without relative motion, turn to identical, and rotating speed is equal, could realize torque transmission；Described freewheel clutch is coaxial with the second axle, and freewheel clutch is fixed on the second axle by keying.
Compared with prior art the invention has the beneficial effects as follows:
1. the present invention adopts freewheel clutch to be connected with variable displacement motor output shaft, it is to avoid the suck-back phenomenon that variable displacement motor non-normal working causes；
2. in the present invention, the mechanical energy of variable displacement motor output is rotated by freewheel clutch driven gear, it is achieved the purpose of energy regenerating.
3. in the present invention, guide oil pumps hydraulic fluid port and is connected with accumulator, stores the energy in accumulator, it is achieved energy-conservation function.
4. the present invention adopts the variable displacement motor with the relevant automatic variable characteristic of high pressure, realizes hydraulic analog loading by adjusting system pressure, hydraulic pump endurancing rated condition can be met.
5. the present invention can realize the test of plurality of specifications hydraulic pump when keeping other modules constant.
Accompanying drawing explanation
Fig. 1 is the operation principle schematic diagram of present example 1.
Fig. 2 is the operation principle schematic diagram of present example 2.
In figure:
1, energy recovery module；2, load-on module；3, power elder generation guide module；4, rectifier bridge；5, refrigerating module；6, fuel tank；7, power take-off module；
10, the first motor；11, the first axle；12, the first gear；13, the second axle；14, freewheel clutch；15, the second gear；
20, the second torque and speed sensors；21, the 3rd cooler；22, the 3rd flow transducer；23, the 3rd pressure transducer；24, the 3rd check valve；25, variable displacement motor；
30, proportional pressure-reducing valve；31, the 5th overflow valve；32, accumulator；33, pressure switch；34, the 4th check valve；35, the second motor；36, guide's oil pump
50, flushing valve；51, the 4th overflow valve；52, the second cooler；53, the second oil filter；
70, the 3rd overflow valve；71, the second overflow valve；72, the first overflow valve；73, the first check valve；74, slippage pump；75, the second check valve；76, first flow sensor；77, the first oil filter；78, hydraulic pump；79, the second pressure transducer；710, second flow sensor；711, the first cooler；712, the first pressure transducer；713, the first torque and speed sensors.
Detailed description of the invention
1st example
Below in conjunction with accompanying drawing, the present invention is explained in detail:
Referring to shown in Fig. 1, a kind of energy-saving hydraulic pump endurance test bed loaded for hydraulic analog, including power elder generation guide module 3, power take-off module 7, refrigerating module 5, rectifier bridge 4, load-on module 2, energy recovery module 1 and fuel tank 6.Described power elder generation guide module 3 is connected with described load-on module 2 passing ratio air relief valve 30.Hydraulic pump 78 power shaft of described power take-off module 7 is coaxial with the first axle 11 of energy recovery module 1 by the first torque and speed sensors 713.The output hydraulic pressure oil of described power take-off module 1 enters load-on module 2 by rectifier bridge 4, and maintains the fixing hydraulic fluid port input hydraulic pressure oil of variable displacement motor 25 from load-on module 2 all the time.The output hydraulic pressure oil of described power take-off module 7 can pass through refrigerating module 5 and flow back to fuel tank.Variable displacement motor 25 output shaft of described load-on module 2 is coaxial with the second axle 13 of energy recovery module 1 and freewheel clutch 14.
Described power elder generation guide module 3 is made up of proportional pressure-reducing valve the 30, the 5th overflow valve 31, accumulator 32, pressure switch the 33, the 4th check valve the 34, second motor 35 and guide's oil pump 36.Described guide's oil pump 36 is coaxial with the second motor 32；Described 5th overflow valve 31 is used for controlling the output pressure of guide's oil pump 33；Described guide's oil pump 33 is connected with the 5th overflow valve 31, proportional pressure-reducing valve 30, accumulator 32, pressure switch 33 by the 4th check valve 34；Proportional pressure-reducing valve 30 gives variable displacement motor 25 voltage supply.
Described power take-off module 7 is made up of hydraulic pump 78, slippage pump the 74, first torque and speed sensors the 713, first pressure transducer the 712, second pressure transducer the 79, first cooler 711, first flow sensor 76, second flow sensor the 710, first oil filter the 77, first check valve the 73, second check valve the 75, first overflow valve the 72, second overflow valve 71 and the 3rd overflow valve 70；Described hydraulic pump 78 is coaxial with slippage pump 74；Described hydraulic pump 78 unloading port is connected with fuel tank 6 by fluid pressure line；Described fluid pressure line has the first cooler 711；The hydraulic oil filtered through the first oil filter 77 enters in slippage pump 74, gives system replenisher force feed again through the first check valve 73/ second check valve 75, and unnecessary hydraulic oil returns to fuel tank 6 through described 3rd overflow valve 70；Described first overflow valve 72/ second overflow valve 71 is relief valve, is used for controlling the output pressure of hydraulic pump；Described first flow sensor 76/ second flow sensor 710 is used for surveying the output flow of described hydraulic pump；Described first pressure transducer 712/ second pressure transducer 79 is used for surveying the output pressure of described hydraulic pump 78, and described second pressure transducer 79/ first pressure transducer 712 is used for surveying the input pressure in loop, described hydraulic pump 78 place simultaneously；Described first torque and speed sensors 713 is used for surveying the rotational speed and torque of described hydraulic pump 78 power shaft.
Described refrigerating module 5 includes flushing valve the 50, the 4th overflow valve the 51, second cooler 52 and the second oil filter 53.In system, the hydraulic oil of heat is through flushing valve 50, and the predetermined pressure reaching the 4th overflow valve 51 can drain into fuel tank 6 through fluid pressure line, having the second cooler 52 and the second oil filter 53 on described fluid pressure line, described second oil filter 53 complies with the test requirements document of regulation for the cleannes controlling fluid.
The rectifying valve block that described rectifier bridge 4 is made up of four check valves.
Described load-on module 2 is made up of variable displacement motor 25 (present invention for the H2V number of variables motor of SAMHYDRAULIK company), the second torque and speed sensors the 20, the 3rd cooler the 21, the 3rd flow transducer the 22, the 3rd pressure transducer 23 and the 3rd check valve 24.Described variable displacement motor 25 has the automatic variable characteristic that high pressure is relevant；Described variable displacement motor 25 unloading port is connected with described fuel tank 6 by fluid pressure line；Described fluid pressure line has the 3rd cooler 21；Described 3rd check valve 24 is to prevent being emptied check valve；Described 3rd flow transducer 22 is used for surveying the input flow rate of described variable displacement motor；Described 3rd pressure transducer 23 is used for surveying the input pressure of described variable displacement motor 25；Described second torque and speed sensors 20 is used for surveying the rotational speed and torque of described variable displacement motor 25 output shaft.
Described energy recovery module 1 is made up of first motor the 10, first axle the 11, first gear the 12, second axle 13, freewheel clutch 14 and the second gear 15.The first described motor 10 and the first axle 11 coaxially connect firmly；The first described gear 12 engages with the second gear 15, and the first gear 12 is fixed on the first axle 11 by keying；Described freewheel clutch 14 is coordinated by voussoir with the second gear 15, when freewheel clutch 14 and the second gear 15 are without relative motion, turns to identical, and rotating speed is equal, could realize torque transmission, otherwise be relative motion；Described freewheel clutch 14 is coaxial with the second axle 13, and freewheel clutch 14 is fixed on the second axle 13 by keying.
Work process and the principle of the present invention are as follows:
First controlling the oil pressure relief of the 5th overflow valve 31, start the second motor 35, guide's oil pump 36 provides hydraulic energy to accumulator 32, and accumulator 32 provides stable low voltage control fluid to the pressure oil port of proportional pressure-reducing valve 30 pressure oil port and variable displacement motor 25.The pressure of system monitored by pressure switch 33, controls the duty of guide's oil pump 36.For avoiding the hydraulic oil that accumulator 32 is revealed to flow back in guide's oil pump 36, the outlet at guide oil pump 36 arranges the 4th check valve 34.Freewheel clutch 14 and the second gear 15 are in relative sliding state, and namely the second axle 13 drives freewheel clutch 14 to dally.Starting the first motor 10, the first motor 10 rotates and drives the hydraulic pump 78 on coaxially to work, and the hydraulic oil through the first oil filter 77 in fuel tank 6 is that system is for hydraulic oil by slippage pump 74.The discharge capacity regulating hydraulic pump 78 makes hydraulic oil pass through first flow sensor 76/ second flow sensor 710 and the 3rd flow transducer 22 entering variable motor.And when the first motor 10 starts to start, the pressure of system is close to zero, variable displacement motor 25 is in the state of minimum injection rate, the discharge capacity of hydraulic pump 78 is more than variable displacement motor 25 discharge capacity, causing hydraulic pump 78 to export fluid to be compressed at variable displacement motor 25 entrance, variable displacement motor 25 discharge capacity is adjusted ensureing that system stability works along with pressure change.Meanwhile, freewheel clutch 14 and the second gear 15 are without relative motion so that the second axle 13 can drive the second gear 15 to rotate.Variable displacement motor 25 is by second torque and speed sensors the 20, second axle 13, freewheel clutch the 14, second gear the 15, first gear 12 and the first axle 11, thus driving hydraulic pump 78 to rotate, reach the effect of energy regenerating, reduce the output of motor, it is achieved energy-conservation purpose.
Variable displacement motor 25 has automatic variable characteristic, discharge capacity matching capacity can be automatically kept with hydraulic pump 78, the pressure of this closed loop system major loop control simultaneously can pass through the second pressure transducer 79/ first pressure transducer 712 and can survey, the characteristic that proportion of utilization air relief valve 30 output pressure is controlled, regulate system working pressure, hydraulic analog load test is carried out, to ensure being normally carried out of endurancing according to the requirement specification of test.
When hydraulic pump 78 oil inlet and outlet direction changes, owing to system circuit is provided with rectifier bridge 4, make hydraulic system from the maloperation caused due to reasons such as anthropic factors, it is ensured that the normal assays of system.
Refer to shown in Fig. 2:
Plurality of specifications hydraulic pump, when keeping other modules constant, can be tested by the present invention.This embodiment can be not only used for bidirectional hydraulic pump is loaded, it is also possible to one-way hydraulic pump is carried out load test.Comparing with example 1, basic experiment principle is constant.The endurance test bed that the hydraulic analog of other hydraulic pumps such as one-way hydraulic pump loads mainly includes power elder generation guide module 3, power take-off module 7, rectifier bridge 4, load-on module 2, energy recovery module 1 and fuel tank 6.Described power elder generation guide module 3 is connected with described load-on module 2 passing ratio air relief valve 30.Hydraulic pump 78 power shaft of described power take-off module 7 is coaxial with the first axle 11 of energy recovery module 1 by the first torque and speed sensors 713.Described hydraulic pump 78 is one-way hydraulic pump.The output hydraulic pressure oil of described power take-off module 1 enters load-on module 2 by rectifier bridge 4, and maintains the fixing hydraulic fluid port input hydraulic pressure oil of variable displacement motor 25 from load-on module 2 all the time.The output hydraulic pressure oil of described power take-off module 7 can directly flow back to fuel tank.Variable displacement motor 25 output shaft of described load-on module 2 is coaxial with the second axle 13 of energy recovery module 1 and freewheel clutch 14.
Described power elder generation guide module 3 is made up of proportional pressure-reducing valve the 30, the 5th overflow valve 31, accumulator 32, pressure switch the 33, the 4th check valve the 34, second motor 35 and guide's oil pump 36.Described guide's oil pump 36 is coaxial with the second motor 32；Described 5th overflow valve 31 is used for controlling the output pressure of guide's oil pump 33；Described guide's oil pump 33 is connected with the 5th overflow valve 31, proportional pressure-reducing valve 30, accumulator 32, pressure switch 33 by the 4th check valve 34；Proportional pressure-reducing valve 30 gives variable displacement motor 25 voltage supply.
Described power take-off module 7 is made up of hydraulic pump the 78, first torque and speed sensors the 713, first pressure transducer the 712, first cooler 711, first flow sensor the 76, first oil filter 77 and the second overflow valve 71；The hydraulic oil of described hydraulic pump 78 arises directly from fuel tank 6, and filters through the first oil filter 77；Described second overflow valve 71 is relief valve, is used for controlling the output pressure of hydraulic pump；Described first flow sensor 76 is used for surveying the output flow of described hydraulic pump；Described first pressure transducer 712 is used for surveying the output pressure of described hydraulic pump 78；Described first torque and speed sensors 713 is used for surveying the rotational speed and torque of described hydraulic pump 78 power shaft.
The rectifying valve block that described rectifier bridge 4 is made up of four check valves.
Described load-on module 2 is made up of variable displacement motor 25 (present invention for the H2V number of variables motor of SAMHYDRAULIK company), the second torque and speed sensors the 20, the 3rd cooler the 21, the 3rd flow transducer the 22, the 3rd pressure transducer 23 and the 3rd check valve 24.Described variable displacement motor 25 has the automatic variable characteristic that high pressure is relevant；Described variable displacement motor 25 unloading port is connected with described fuel tank 6 by fluid pressure line；Described fluid pressure line has the 3rd cooler 21；Described 3rd check valve 24 is to prevent being emptied check valve；Described 3rd flow transducer 22 is used for surveying the input flow rate of described variable displacement motor；Described 3rd pressure transducer 23 is used for surveying the input pressure of described variable displacement motor 25；Described second torque and speed sensors 20 is used for surveying the rotational speed and torque of described variable displacement motor 25 output shaft.
Described energy recovery module 1 is made up of first motor the 10, first axle the 11, first gear the 12, second axle 13, freewheel clutch 14 and the second gear 15.The first described motor 10 and the first axle 11 coaxially connect firmly；The first described gear 12 engages with the second gear 15, and the first gear 12 is fixed on the first axle 11 by keying；Described freewheel clutch 14 is coordinated by voussoir with the second gear 15, when freewheel clutch 14 and the second gear 15 are without relative motion, turns to identical, and rotating speed is equal, could realize torque transmission；Described freewheel clutch 14 is coaxial with the second axle 13, and freewheel clutch 14 is fixed on the second axle 13 by keying.
Claims (1)
1. one kind has the energy-saving hydraulic pump endurance test bed that hydraulic analog loads, it is characterised in that: it is by power elder generation guide module (3), power take-off module (7), refrigerating module (5), rectifier bridge (4), load-on module (2), energy recovery module (1) and fuel tank (6)；Described power elder generation guide module (3) is connected with described load-on module (2) passing ratio air relief valve (30)；Hydraulic pump (78) power shaft of described power take-off module (7) is coaxial with first axle (11) of energy recovery module (1) by the first torque and speed sensors (713).The output hydraulic pressure oil of described power take-off module (1) enters load-on module (2) by rectifier bridge (4)；The output hydraulic pressure oil of described power take-off module (7) can pass through refrigerating module (5) and flow back to fuel tank (6)；Variable displacement motor (25) output shaft of described load-on module (2) is coaxial with second axle (13) of energy recovery module (1) and freewheel clutch (14).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610332898.1A CN105782166B (en) | 2016-05-18 | 2016-05-18 | Energy-saving hydraulic with hydraulic analog loading pumps endurance test bed |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610332898.1A CN105782166B (en) | 2016-05-18 | 2016-05-18 | Energy-saving hydraulic with hydraulic analog loading pumps endurance test bed |
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| CN105782166A true CN105782166A (en) | 2016-07-20 |
| CN105782166B CN105782166B (en) | 2018-06-22 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015177A (en) * | 2016-08-05 | 2016-10-12 | 芜湖中意液压科技股份有限责任公司 | Durability test system with power recovery function for oscillating motor |
| CN107676339A (en) * | 2017-11-03 | 2018-02-09 | 北京天地玛珂电液控制系统有限公司 | A kind of high-pressure hydraulic pump test hydraulic system and method for testing |
| CN109654009A (en) * | 2019-02-21 | 2019-04-19 | 燕山大学 | A kind of hydraulic pump motor Performance Test System and its test method |
| CN112610560A (en) * | 2020-12-16 | 2021-04-06 | 北京玖鼎力源科技有限公司 | Test bed for hydraulic motor, hydraulic pump and rear axle |
Citations (8)
| 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 |
| JPH10331774A (en) * | 1997-05-29 | 1998-12-15 | Maruma Tekunika Kk | Energy recovery type hydraulic tester |
| CN202545421U (en) * | 2012-03-31 | 2012-11-21 | 徐州铭硕机械科技有限公司 | Self-adaptive power recovery testing table for hydraulic pump |
| CN103511397A (en) * | 2013-09-03 | 2014-01-15 | 燕山大学 | Reliability test method and device for axial plunger pump and axial plunger motor |
| CN103511396A (en) * | 2013-09-03 | 2014-01-15 | 燕山大学 | Hydraulic pump and hydraulic motor reliability testing device based on power recovery technology |
| CN203430759U (en) * | 2013-08-08 | 2014-02-12 | 宁波恒力液压股份有限公司 | Hydraulic pump durability test system based on power recovery and inverter technologies |
| CN104514761A (en) * | 2014-12-19 | 2015-04-15 | 长安大学 | Hydraulic pump and motor test bed capable of recycling test energy consumption |
| CN205654642U (en) * | 2016-05-18 | 2016-10-19 | 吉林大学 | Energy -saving hydraulic pump durability test platform with hydraulic pressure analog loading |
-
2016
- 2016-05-18 CN CN201610332898.1A patent/CN105782166B/en not_active Expired - Fee Related
Patent Citations (8)
| 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 |
| JPH10331774A (en) * | 1997-05-29 | 1998-12-15 | Maruma Tekunika Kk | Energy recovery type hydraulic tester |
| CN202545421U (en) * | 2012-03-31 | 2012-11-21 | 徐州铭硕机械科技有限公司 | Self-adaptive power recovery testing table for hydraulic pump |
| CN203430759U (en) * | 2013-08-08 | 2014-02-12 | 宁波恒力液压股份有限公司 | Hydraulic pump durability test system based on power recovery and inverter technologies |
| CN103511397A (en) * | 2013-09-03 | 2014-01-15 | 燕山大学 | Reliability test method and device for axial plunger pump and axial plunger motor |
| CN103511396A (en) * | 2013-09-03 | 2014-01-15 | 燕山大学 | Hydraulic pump and hydraulic motor reliability testing device based on power recovery technology |
| CN104514761A (en) * | 2014-12-19 | 2015-04-15 | 长安大学 | Hydraulic pump and motor test bed capable of recycling test energy consumption |
| CN205654642U (en) * | 2016-05-18 | 2016-10-19 | 吉林大学 | Energy -saving hydraulic pump durability test platform with hydraulic pressure analog loading |
Non-Patent Citations (3)
| Title |
|---|
| 刘胜利: "《矿山机械》", 30 June 2006 * |
| 张峰: "功率回收型液压泵试验系统研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑 》 * |
| 王华兵 等: "功率回馈式液压泵耐久性试验系统设计", 《机床与液压》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015177A (en) * | 2016-08-05 | 2016-10-12 | 芜湖中意液压科技股份有限责任公司 | Durability test system with power recovery function for oscillating motor |
| CN106015177B (en) * | 2016-08-05 | 2018-03-13 | 芜湖中意液压科技股份有限责任公司 | Power Recovery tilt cylinder motor durability testing system |
| CN107676339A (en) * | 2017-11-03 | 2018-02-09 | 北京天地玛珂电液控制系统有限公司 | A kind of high-pressure hydraulic pump test hydraulic system and method for testing |
| CN107676339B (en) * | 2017-11-03 | 2019-07-26 | 北京天地玛珂电液控制系统有限公司 | A kind of high-pressure hydraulic pump test hydraulic system and test method |
| CN109654009A (en) * | 2019-02-21 | 2019-04-19 | 燕山大学 | A kind of hydraulic pump motor Performance Test System and its test method |
| CN109654009B (en) * | 2019-02-21 | 2020-04-17 | 燕山大学 | Hydraulic pump motor performance test system and test method thereof |
| CN112610560A (en) * | 2020-12-16 | 2021-04-06 | 北京玖鼎力源科技有限公司 | Test bed for hydraulic motor, hydraulic pump and rear axle |
| CN112610560B (en) * | 2020-12-16 | 2024-05-31 | 北京玖鼎力源科技有限公司 | Test bed for hydraulic motor, hydraulic pump and rear axle |
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| CN105782166B (en) | 2018-06-22 |
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