CN110454466A - Hydrostatic drive system combination property bench and method - Google Patents
Hydrostatic drive system combination property bench and method Download PDFInfo
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- CN110454466A CN110454466A CN201910788880.6A CN201910788880A CN110454466A CN 110454466 A CN110454466 A CN 110454466A CN 201910788880 A CN201910788880 A CN 201910788880A CN 110454466 A CN110454466 A CN 110454466A
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- hydraulic
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- hydraulic gear
- engine
- hydrostatic drive
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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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Testing Of Engines (AREA)
Abstract
The present invention relates to a kind of hydrostatic drive system combination property bench and methods, dynamical system, hydraulic gear and the dynamometer machine of the experimental bench are fixedly connected sequentially in the base platform of test bench system, between dynamical system and hydraulic mechanism, and respectively by transmission axis connection between hydraulic mechanism and dynamometer machine, and it is mounted on dynamical system, hydraulic gear, dynamometer machine on same axis；Hydraulic oil input port and delivery outlet in hydraulic gear pass through oil return hose respectively and connect with external oil supply system, connect external cooling system by fuel-displaced hose, and external cooling system is connect with external oil supply system by hose, and a fuel feeding circulation loop is constituted.The present invention has the advantages that simple and compact for structure, safe and reliable, easy to operate.The performance parameter that hydraulic gear can be tested respectively has the advantages that test is reliable, manufacture is easy, easy to maintain and low in cost；Entire testing stand can be installed separately, and realize flexible installation and removal function.
Description
Technical field
It is especially a kind of for being tested hydraulic power system the present invention relates to a kind of hydraulic drive test platform
Hydraulic drive testing stand.
Background technique
Hydraulic test bench is mainly used for the performance detection test of hydraulic pump, hydraulic motor, hydraulic valve etc., can test a variety of rule
The Hydraulic Elements of lattice series.Hydraulic pump can convert energy, and the mechanical energy of engine can be converted to the pressure of oil liquid
Can, with the oil pressure actuated hydraulic device rotation in hydraulic device, for driving outer load.In order to understand the property of hydraulic pump in all directions
Can, the working efficiency including hydraulic pump measures the variation of the performances such as the hydraulic of hydraulic pump, flow, revolving speed.Need to design one it is quiet
Fluid power system combination property bench, the testing stand are simpler compared to other testing stands, convenient, build testing stand institute
Need manpower, financial resources that will also reduce.
Summary of the invention
In view of the drawbacks described above of the prior art, the invention reside in provide a kind of hydrostatic drive system combination property bench
And method, realize the flexible installation and removal function of the hydraulic test bench, the hydraulic biography of test that can be simple, convenient, efficient
The performance of motivation structure, to solve the above problems.
To achieve the above object, the technical scheme is that a kind of hydrostatic drive system combination property bench, packet
Include dynamical system, test bench system, hydraulic gear, dynamometer machine, the dynamical system, hydraulic gear and dynamometer machine
It is fixedly connected sequentially in the base platform of test bench system, between the dynamical system and hydraulic mechanism and hydraulic press
Respectively by transmission axis connection between structure and dynamometer machine, and it is mounted on the dynamical system, hydraulic gear, dynamometer machine together
On one axis；Hydraulic oil input port and delivery outlet in the hydraulic gear pass through oil return hose and external fuel feeding respectively
System connection connects external cooling system by fuel-displaced hose, and external cooling system is connect with external oil supply system by hose,
Constitute a fuel feeding circulation loop.
Further, the dynamical system provides power by engine, or provides power using motor, and the engine flies
Wheel passes through the input axis connection of clutch and transmission shaft and hydraulic gear, to hydraulic gear input torsion and turns
Square.
Further, the hydraulic gear uses hydraulic pump or hydraulic motor.
Further, it is integral to connect group for the external oil supply system and outside cooling system.
Further, the external cooling system is by cooling water flow in power water pump control oil cooler, on water route
It is equipped with water temperature sensor, water radiator and adjustable speed cooling fan, realizes the control to the oil temperature in hydraulic gear
System, can test working efficiency and radiation loss of the hydraulic gear under different oil temperatures.
Further, the hydrostatic drive system combination property bench is also equipped with visualization online data display system,
It can be with the engine speed in real-time display dynamical system, hydraulic gear power input value, power output value, hydraulic drive
Mechanism efficiency, hydraulic fluid temperature information.
A kind of hydrostatic drive system all-round property testing method, using hydrostatic drive system combination property bench,
Firstly, test the engine performance in dynamical system, under Different Work Condition of Engine power and economic performance carry out
Measurement and storage, while recording engine throttle opening or throttle opening；Then, the performance of hydraulic gear is surveyed
Examination: access hydraulic pump or hydraulic motor obtain the hair under different operating conditions by control engine throttle opening or throttle opening
The input power of motivation power output and hydraulic gear measures hydraulic gear output power by dynamometer machine, and
The working efficiency and power loss of hydraulic gear is calculated.
Technology and beneficial effect of the invention is:
The hydraulic test bench mainly includes engine (for providing torque and torsion to hydraulic mechanism), and dynamometer machine (is used for
Measured power), hydraulic gear, cooling body etc..This test platform structure is simple, and operation is simple, and efficiency is higher, experimental data
Accurately, it is easy to get accurate data.It tables look-up to obtain hydraulic system input power by control system, be obtained by dynamometer machine hydraulic
The working efficiency and power loss of hydraulic test system is calculated in system output power.It is online that the system has visualization
Data presentation system, can be with real-time display facility information.The testing stand, which can be realized, implements simple, side to hydraulic mechanism performance
Just, effectively measure.It is installed when use simply, convenient disassembly, external cooling system, facilitate and set different coolings when not in use
Efficiency.The testing stand can replace different hydraulic gears at any time, to detect its performance.
The present invention provides fixed revolving speed and torque using the engine of dynamical system, provides fixed move for hydraulic pump
Power only needs one-shot measurement, obtains the dynamic property and power of engine, is not required to repeat to survey when measuring different hydraulic gears
Amount, only needs to change hydraulic gear, is measuring.The present invention has simple and compact for structure, safe and reliable, operation letter
Just the advantages of.Position of the adjustable hydraulic gear on experimental bench pedestal, is adapted to the hydraulic drive of different model
Mechanism improves Hydraulic Experimental Platform applicability, can test the performance parameter of hydraulic gear respectively, reliable with test,
Manufacture easy, easy to maintain and low in cost advantage.Entire testing stand is installed separately, and realizes flexible installation and removal function
Energy.
Detailed description of the invention
Fig. 1 is hydrostatic drive system combination property bench general structure schematic diagram of the invention；
Fig. 2 is hydrostatic drive system combination property bench structural schematic diagram of the invention；
Fig. 3 is hydrostatic drive system combination property bench structural block diagram of the invention.
Specific embodiment
The invention will be further described with embodiment for Structure Figure below.Described embodiment is a part of the invention
Embodiment, instead of all the embodiments.
As shown in Figure 1, Figure 2 and Figure 3, hydrostatic drive system combination property bench of the invention, including dynamical system
2, test bench system 1, hydraulic gear 3, dynamometer machine 4.
Test bench system 1 includes hydraulic test sewing platform base 1-1, engine support 7, clutch-pedal support 8, hydraulic pump bracket
9.Three brackets are installed on hydraulic test sewing platform base 1-1, engine support 7 is mounted on the Far Left of hydraulic test sewing platform base 1-1,
Clutch-pedal support 8 is mounted on the right of engine support 7, and hydraulic pump bracket 9 is mounted on the right of clutch-pedal support 8.Hydraulic examination
Test engine 2-1, the clutch that three bracket installation dynamical systems are passed sequentially through on sewing platform base 1-1, the liquid of hydraulic gear
Press pump 3-1.Dynamometer machine 4 is mounted on the rightmost side of hydraulic test sewing platform base 1-1, and the bracket is pressed predetermined distance using bolt
It is fixed on hydraulic test sewing platform base.Engine 2-1 is mounted on engine support 7, is fixed using bolt, and clutch uses spiral shell
Bolt is fixed on clutch-pedal support 8 and connects with engine, transmission shaft 1 is connect with clutch, hydraulic pump 3-1 is mounted on liquid
It fixes on press pump bracket 9 and using bolt, and is connect with transmission shaft 1, in hydraulic oil input port and delivery outlet on hydraulic pump 3-1
It is separately connected oil return hose 11 and fuel-displaced hose 10, oil return hose 11 is connected with external oil supply system, and fuel-displaced hose 10 first connects
External cooling system, then connected the cooling system with external oil supply system with hose, constitute a fuel feeding circulation.Transmission shaft
The 26 connections hydraulic pump 3-1 and the dynamometer machine 4, use flexible connecting shaft between the transmission shaft 26 and the dynamometer machine 4
Device 12 connects, and the engine 2-1, hydraulic pump 3-1 and dynamometer machine 4 are on the same axis.
Dynamical system 2 provides power by engine 2-1, or provides power using motor, and the flywheel of the engine 2-1 is logical
Cross the input axis connection of clutch and transmission shaft 1 and hydraulic gear 3, to the hydraulic gear 3 input torsion and
Torque.Hydraulic gear 3 uses hydraulic pump 3-1 or hydraulic motor.External oil supply system connects composition with external cooling system
One.External cooling system controls cooling water flow in oil cooler by power water pump, be equipped on water route water temperature sensor,
Water radiator and adjustable speed cooling fan are realized the control to the oil temperature in hydraulic gear, can be tested hydraulic
Working efficiency and radiation loss of the transmission mechanism under different oil temperatures.Hydrostatic drive system combination property bench also has
Standby visualization online data display system, can be with the engine speed in real-time display dynamical system, hydraulic gear power
Input value, power output value, hydraulic gear efficiency, hydraulic fluid temperature information.
A kind of hydrostatic drive system all-round property testing method, using hydrostatic drive system combination property bench,
Firstly, test the engine performance in dynamical system, under Different Work Condition of Engine power and economic performance carry out
Measurement and storage, while recording engine throttle opening or throttle opening；Then, the performance of hydraulic gear is surveyed
Examination: access hydraulic pump or hydraulic motor obtain the hair under different operating conditions by control engine throttle opening or throttle opening
The input power of motivation power output and hydraulic gear measures hydraulic gear output power by dynamometer machine, and
The working efficiency and power loss of hydraulic gear is calculated.
Hydraulic pump testing process:
(1) performances such as power, revolving speed and torque first are measured to existing engine
(2) test specimens such as hydraulic pump, the hydraulic motor of required test are installed on bracket,
(3) test specimen is connected on engine and dynamometer machine
(4) oil return pipe and petroleum pipeline are connected on hydraulic gear
(5) oil return pipe couples on the cooling system, then is connected on fuel tank
(6) first to hydraulic gear fuel feeding, after the completion of fuel feeding
(7) start engine, it is standby, then start hydraulic test bench, measures
(8) performance of dynamometer machine measurement hydraulic gear
Engine operation drives transmission shaft one to rotate, and transmission shaft one drives hydraulic pump input shaft to rotate, and hydraulic oil is continuous
Be drawn into hydraulic pump, input shaft rotation to hydraulic oil pressurize, pressurization to a certain extent, hydraulic oil push output shaft rotation,
Revolving speed and torque are exported, dynamometer machine tests the performance of hydraulic pump.Cooling system cools down hydraulic pump simultaneously, prevents hydraulic oil
Temperature is excessively high, stops working.It realizes the control to hydraulic system oil temperature, hydraulic system can be tested in different oil temperatures
Under working efficiency and radiation loss.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., is all included in the scope of protection of the present invention within principle.
Claims (7)
1. a kind of hydrostatic drive system combination property bench, including dynamical system, test bench system, hydraulic drive motor
Structure, dynamometer machine, feature in: the dynamical system, hydraulic gear and dynamometer machine are fixedly connected sequentially in test-bed system
In the base platform of system, pass through biography between the dynamical system and hydraulic mechanism and between hydraulic mechanism and dynamometer machine respectively
Moving axis connection, and it is mounted on the dynamical system, hydraulic gear, dynamometer machine on same axis；The hydraulic drive
Hydraulic oil input port and delivery outlet in mechanism pass through oil return hose respectively and connect with external oil supply system, are connected by fuel-displaced hose
External cooling system is connect, external cooling system is connect with external oil supply system by hose, and a fuel feeding circulation loop is constituted.
2. hydrostatic drive system combination property bench according to claim 1, it is characterised in that: the dynamical system
There is provided power by engine, or provide power using motor, the flywheel of the engine by clutch and transmission shaft with it is hydraulic
The input axis connection of transmission mechanism, to hydraulic gear input torsion and torque.
3. hydrostatic drive system combination property bench according to claim 1, it is characterised in that: the hydraulic drive
Mechanism uses hydraulic pump or hydraulic motor.
4. hydrostatic drive system combination property bench according to claim 1, it is characterised in that:
It is integral that the external oil supply system and outside cooling system connect group.
5. hydrostatic drive system combination property bench according to claim 1, it is characterised in that: described external cooling
System controls cooling water flow in oil cooler by power water pump, be equipped on water route water temperature sensor, water radiator and
Adjustable speed cooling fan realizes the control to the oil temperature in hydraulic gear, can test hydraulic gear not
With under oil temperature working efficiency and radiation loss.
6. -5 any hydrostatic drive system combination property bench according to claim 1, it is characterised in that: described quiet
Fluid power system combination property bench is also equipped with visualization online data display system, can be in real-time display dynamical system
Engine speed, hydraulic gear power input value, power output value, hydraulic gear efficiency, hydraulic fluid temperature letter
Breath.
7. a kind of hydrostatic drive system all-round property testing method, comprehensive using hydrostatic drive system as claimed in claim 6
Close performance experiment table, it is characterised in that: firstly, testing the engine performance in dynamical system, to engine difference work
Power and economic performance under condition are measured and are stored, while recording engine throttle opening or throttle opening；Then, right
The performance of hydraulic gear is tested: access hydraulic pump or hydraulic motor pass through control engine throttle opening or solar term
Door aperture obtains the input power of the output of the engine power under different operating conditions and hydraulic gear, is surveyed by dynamometer machine
Hydraulic gear output power is obtained, and the working efficiency and power loss of hydraulic gear is calculated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910788880.6A CN110454466B (en) | 2019-08-26 | 2019-08-26 | Hydrostatic drive system comprehensive performance experiment table and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910788880.6A CN110454466B (en) | 2019-08-26 | 2019-08-26 | Hydrostatic drive system comprehensive performance experiment table and method |
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| CN110454466A true CN110454466A (en) | 2019-11-15 |
| CN110454466B CN110454466B (en) | 2021-07-09 |
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| CN201910788880.6A Active CN110454466B (en) | 2019-08-26 | 2019-08-26 | Hydrostatic drive system comprehensive performance experiment table and method |
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Cited By (2)
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| CN111721537A (en) * | 2020-08-03 | 2020-09-29 | 广西玉柴机器股份有限公司 | Simulation PTO rack test system and test method |
| CN112324747A (en) * | 2020-10-28 | 2021-02-05 | 陕西法士特齿轮有限责任公司 | Hydrostatic transmission unit test system and test method |
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| JP2004286609A (en) * | 2003-03-24 | 2004-10-14 | Shinko Electric Co Ltd | Testing device for transmission |
| CN201016854Y (en) * | 2007-02-12 | 2008-02-06 | 潍柴动力股份有限公司 | Engine rear power take-off test equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111721537A (en) * | 2020-08-03 | 2020-09-29 | 广西玉柴机器股份有限公司 | Simulation PTO rack test system and test method |
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| CN110454466B (en) | 2021-07-09 |
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