CN106197998A - Decelerator transmission efficiency test device - Google Patents
Decelerator transmission efficiency test device Download PDFInfo
- Publication number
- CN106197998A CN106197998A CN201610528510.5A CN201610528510A CN106197998A CN 106197998 A CN106197998 A CN 106197998A CN 201610528510 A CN201610528510 A CN 201610528510A CN 106197998 A CN106197998 A CN 106197998A
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- China
- Prior art keywords
- decelerator
- torque
- outfan
- transmission efficiency
- tested
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/021—Gearings
Abstract
The invention discloses a kind of decelerator transmission efficiency test device, including decelerator input torque measuring mechanism and decelerator outfan torque measuring mechanism and electrical control cubicles, described decelerator input torque measuring mechanism includes drive mechanism, the torque sensor I being located on the output shaft of drive mechanism and the output shaft end being located at drive mechanism are for the coupling spindle being connected with tested decelerator input, described decelerator outfan torque measuring mechanism includes the load maintainer for being connected with tested decelerator outfan and is located at the torque sensor II of tested decelerator outfan, described drive mechanism is all connected with electrical control cubicles with torque sensor I and torque sensor II.Decelerator can be measured and realize transmission efficiency value, it is thus achieved that machinery driving efficiency value accurately, fill up domestic and international technological gap.
Description
Technical field
The present invention relates to mechanical efficiency technical field of measurement and test, especially relate to a kind of decelerator transmission efficiency test device.
Background technology
Show according to domestic and international industry survey and Indexing of Scien. and Tech. Literature, the use of large size valve, owing to open and close torque is relatively big,
Manual operation is highly difficult, needs coupling mechanical reducer to reduce rotating speed, promotes moment of torsion, reach light, fast open and close
Valve, is allowed to connect or block fluid, the open and close torque of corresponding valve, how to select suitable mechanical reducer, be necessary for
Solve its transmission efficiency value, but traditional way, the whatsoever decelerator of pattern, transmission efficiency value is calculating and draws, partially
Difference is relatively big, with blindness during type selecting, is frequently not selection surplus, causes waste, it is simply that select deficiency, it is impossible to meet and use.
The position of the transmission efficiency of actual influence decelerator is a lot of with factor, the most complicated, is accurately to obtain by calculating
Obtain overall efficiency.It addition, for design, manufacture, technique and the material improvement of decelerator, all grasp its master in the urgent need to understanding
Want the transmission efficiency value that data are actual, therefore, measure the machinery driving efficiency value of decelerator, significant, want to obtain
The machinery driving efficiency value of decelerator, it is necessary to drive the input of decelerator and the outfan of decelerator is loaded, measuring
After the actual torque value at two ends, through comparison, transmission efficiency value just can be drawn, it may be assumed that transmission efficiency value (%)=input torque value/
Outfan torque value.How to solve method of testing and test equipment, the most still belong to blank.
Summary of the invention
Not enough for prior art, the technical problem to be solved is to provide a kind of decelerator transmission efficiency test
Device, it can measure decelerator actual transmission efficiency value.
In order to solve above-mentioned technical problem, the technical solution adopted in the present invention is:
This decelerator transmission efficiency test device, turns round including decelerator input torque measuring mechanism and decelerator outfan
Square measuring mechanism and electrical control cubicles, described decelerator input torque measuring mechanism includes drive mechanism, is located at drive mechanism
Torque sensor I on output shaft and be located at the output shaft end of drive mechanism for being connected with tested decelerator input
Coupling spindle, described decelerator outfan torque measuring mechanism include the load maintainer for being connected with tested decelerator outfan and
It is located at the torque sensor II of tested decelerator outfan, described drive mechanism and torque sensor I and torque sensor II
All it is connected with electrical control cubicles.
Further, it is provided with clutch between end and the coupling spindle of described output shaft.
It is connected by grooving header structure between described coupling spindle with tested decelerator input.
The pulse codr I for gathering tested decelerator input displacement signal it is provided with in described drive mechanism, described
Decelerator outfan torque measuring mechanism is provided with the pulse codr II for gathering tested decelerator outfan displacement signal.
Described decelerator input torque measuring mechanism is portable torque testing table, including frame and leading screw, described machine
Being provided with universal caster wheel bottom frame, frame is provided with the nut matched with leading screw, and leading screw is provided with the slide plate of removable regulation, drives
Motivation structure is located on slide plate.
Described decelerator outfan torque measuring mechanism is fixed torque testing table, including fixed pedestal, fixed pedestal
Being provided with the power transmission shaft for being connected with tested decelerator outfan, torque sensor II is located on power transmission shaft, and load maintainer sets
On fixed pedestal, load maintainer is connected with power transmission shaft.
Described clutch is electromagnetic clutch.
Described load maintainer is hydraulic loading mechanism, including oil pump with for the hydraulic executer loading power transmission shaft, oil
Pump is connected with hydraulic executer.
Described power transmission shaft upper end is provided with the three-jaw joint being easy to be connected with tested decelerator outfan.
The actuator for regulating oil pressure it is provided with between described oil pump and hydraulic executer.
The present invention compared with prior art, has the advantage that
This test apparatus structure is reasonable in design, by measuring decelerator input and the actual torque value of outfan, thus
Measure decelerator and realize transmission efficiency value, it is thus achieved that machinery driving efficiency value accurately, for the design of decelerator, manufacture, material
Material type selecting, structure, process modification are significant with the supporting application of relevant device, type selecting and saving energy consumption, fill up domestic outer space
In vain.
Accompanying drawing explanation
Content expressed by width accompanying drawing each to this specification and the labelling in figure are briefly described below:
Fig. 1 is apparatus of the present invention structural representation.
Fig. 2 is movable type torque testing table structural representation of the present invention.
Fig. 3 is the present invention fixed torque testing table structural representation.
Fig. 4 is drive mechanism structural representation of the present invention.
Fig. 5 is present hydraulic system schematic diagram.
Fig. 6 is present hydraulic system control block diagram.
In figure: 1. electrical control cubicles, 2. portable torque testing table, 201. frames, 202. universal caster wheels, 203. nuts, 204.
Leading screw, 205. vertically move governor motion, 206. slide plates, 207. output shafts, 208. drive mechanisms, 209. pulse codrs I,
210. torque sensor I, 211. clutches, 212. coupling spindles, 213. tenon joints, the most fixed torque testing table, 301. torsions
Square sensor II, 302. blind mortise joint, 303. tested decelerators, 304. three-jaw joints, 305. power transmission shafts, 306. surge execution
Device, 307. pulse codrs II, 4. hydraulic system, 401. fuel tanks, 402. oil pumps, 403. actuators.
Detailed description of the invention
Below against accompanying drawing, by the description to embodiment, the detailed description of the invention of the present invention is made further details of
Explanation.
As shown in Figures 1 to 6, this decelerator transmission efficiency test device, including decelerator input torque measuring mechanism
With decelerator outfan torque measuring mechanism and electrical control cubicles 1.
Decelerator input torque measuring mechanism includes drive mechanism 208, the torsion being located on the output shaft 207 of drive mechanism
Square sensor I 210 and be located at the output shaft end of drive mechanism for the coupling spindle being connected with tested decelerator input
212。
Decelerator input torque measuring mechanism is portable torque testing table 2, also includes frame 201 and leading screw 204, machine
Being provided with universal caster wheel 202 bottom frame 201, frame is provided with the nut 203 matched with leading screw, and nut is trapezoidal nut, leading screw
204 slide plates 206 being provided with removable regulation, leading screw top is provided with flat board, is provided with for slide plate longitudinally between slide plate and flat board
The slide rail of movement, frame be provided with drive slide plate move vertically move governor motion 205, vertically moving governor motion is screw mandrel
Mechanism, drive mechanism is located on slide plate.
Decelerator outfan torque measuring mechanism includes the load maintainer for being connected with tested decelerator outfan and sets
At the torque sensor II 301 of tested decelerator 303 outfan, drive mechanism and torque sensor I and torque sensor II
All it is connected with electrical control cubicles 1.
Decelerator outfan torque measuring mechanism is fixed torque testing table 3, also includes fixed pedestal, on fixed pedestal
Being provided with the power transmission shaft 305 for being connected with tested decelerator outfan, torque sensor II 301 is located on power transmission shaft, adds carrier aircraft
Structure is located on fixed pedestal, and load maintainer is connected with power transmission shaft.
Load maintainer is hydraulic loading mechanism, including oil pump 402 with for the hydraulic executer 306 that power transmission shaft is loaded,
Oil pump is connected with hydraulic executer.Power transmission shaft upper end is provided with the three-jaw joint 304 being easy to be connected with tested decelerator outfan.Oil
The actuator 403 for regulating oil pressure it is provided with between pump 402 and hydraulic executer 306.
The pulse codr I 209 for gathering tested decelerator input displacement signal, decelerator it is provided with in drive mechanism
Outfan torque measuring mechanism is provided with the pulse codr II 307 for gathering tested decelerator outfan displacement signal.
Being provided with clutch 211 between end and the coupling spindle 212 of output shaft 207, preferred clutch is electromagnetic clutch.
It is connected by grooving header structure between coupling spindle with tested decelerator input, it is simple to connect.
Decelerator transmission efficiency test its transmission efficiency value being applicable to measure various mechanical reducer of device, tested deceleration
Device 303 can be cylinder gear speed reducer, cone gear reducer, worm gear reducer, planetary reducer, cycloidal-pin wheel
Decelerator, harmonic gear reducer etc..
This device is mainly made up of portable torque testing table, fixed torque testing table, electrical control cubicles three parts, automatically controlled
Control part in cabinet is made device, drive mechanism, data collecting system and data handling system form by main.Use full technical grade
Design, fully meets the test request of system, and principle is as shown in Figure 6.Manipulate and main make device send instruction → drive mechanism running
→ torque sensor/pulse codr → decelerator → torque sensor/pulse codr to be measured, the millivolt letter of torque sensor
Number and pulse codr pulse signal be transferred to respective stroke torque tester respectively, and be transferred to after industrial control unit (ICU) carries out
Continuous process, data process and use the exploitation of VC++ high-level language, SQL Server real-time data base, CANBUS bus-type Data-Link
Road, communication speed reaches 10M/s, and digital signal carries out communication by serial mode and data are transmitted, through computer calculation process.Rich
Rich human-computer interaction interface, simple to operation understandable, user also can self-defining data sheet form；In whole test system,
It is highly important link that data process, and it mainly has, and three i.e. digital independent of function process, data show and data management.
It is real-time, right that test system has test data, torque value curve and opening value (output shaft displacement), operation time
Should show, experiment parameter be arranged calculating and the storage of test result, derives, print.The input of tested decelerator and output
End, all displays " opening value and torque value homologous thread figure ", the comparison of the torque value of root Ju input and outfan, system is automatic
Calculate transmission efficiency, and show " system test interface " value Han transmission efficiency.
Its key technical indexes: torque measurement scope: 500～50000Nm, sensor accuracy class: 0.5%, torque measuring
Accuracy of measurement: ± 5%.
Portable torque testing table:
1) decelerator must fixing with fixed torque testing table be connected, because the specification of decelerator is more, not of uniform size, and it is even
Connecing size different, the connection of lower end to configure suitable connection dish and union joint, and the centre-height of worm screw, in worm and wheel
Heart distance is also different, right with the blind mortise joint 302 on reducer worm shaft in order to ensure the tenon joint 213 of this testboard
Connecing, this testboard possesses the movement in tri-directions of X-Y-Z, to facilitate docking, makes drive mechanism drive tested decelerator, this test
Platform vertically move governor motion by handwheel drive leading screw and nut, slide plate, drive mechanism realize X to movement, four are universal
Castor (band brake) realizes the movement of Y-direction, and elevating mechanism is made lifting platform by handle Rotatable umbrella gear pair, trapezoidal nut and leading screw
And drive mechanism realizes the movement of Z-direction.
2) the built-in pulse codr of drive mechanism, to gather the displacement signal of tested decelerator input, transportable test panel
The operating of platform output shaft links with pulse codr through idle wheel, the pulse of exportable two-way phase contrast 90 degree when encoder rotates
Signal, encoder often revolves and turns around, 1000 pulses of output of each road.Therefore the displacement letter of tested decelerator input is obtained
Number.
3) the preposition torque sensor of drive mechanism, uses strain measurement technology.Cylindrical wall is pasted foil gauge composition survey
Amount electric bridge, after output shaft rotation makes the torque sensor cylindrical wall of fixing connection be produced micro-strain by moment of torsion, causes electricity
Resistor bridge value change, and be changed into the signal of telecommunication change thus realize the torque measurement of tested decelerator input.
4) can connect with the blind mortise joint of decelerator worm end in any direction for the tenon joint before universal-joint spindle
Closing, output shaft front-end configuration electromagnetic clutch, during without electricity, yoke separates with armature and connected tooth, and (armature leans on spring top
Open), yoke and output shaft one, armature and universal coupling spindle one, therefore universal-joint spindle separates with output shaft.Universal connection
Axle and tenon joint are in without constraint, can make freely rotatable, conveniently engage with the blind mortise joint of decelerator worm end；When to electromagnetism
Coil in clutch magnet yoke is passed through the exciting curent of 24VDC and produces magnetic field, makes yoke and armature and the tooth engagement being connected,
And output shaft is combined with universal-joint spindle, then can transmit torque to decelerator worm end, thus drive tested decelerator.
Fixed torque testing table:
1) driving tested retarder operation at transportable test panel platform, if making tested decelerator outfan produce moment of torsion, just must
Must give resistance to power transmission shaft i.e. to load, loading force should be slightly below the moment of tested decelerator, so, will make torque sensor cylinder
After wall is produced micro-strain by moment of torsion, cause the bridge resistance of foil gauge to change, and be changed into the signal of telecommunication change thus
Realize the torque measurement of tested decelerator outfan.Load mode uses hydraulic executer, and hydraulic executer is to be with hydraulic oil
Power realizes execution action.Hydraulic oil enters oil cylinder, promotes fork type piston movement, by shift fork by the linear motion of piston
Transferring the rotary motion of disk to, disk drives drive axis through flat key, thus realizes producing tested reducer output shaft instead
Record torque value to active force, hydraulic executer uses hydraulic oil to drive, because the Incoercibility of liquid, hydraulic executer
Stable drive reliable, it is adaptable to transmission is required higher working environment.The degree of regulation of hydraulic executer is high, response speed
Hurry up, pinpoint accuracy control can be realized.
2) fixed torque testing table power transmission shaft configuration pulse codr and torque sensor, its effect be measure quilt
Surveying opening value (displacement) and the torque value of reducer output shaft, meaning is identical with described in transportable test panel platform.
The hydraulic system 4 of load maintainer:
1) load maintainer of hydraulic pressure is mainly made up of fuel tank 401, Hydraulic Station, actuator 403, hydraulic executer etc., hydraulic pressure
Station includes: three phase electric machine, oil pump 402, overflow valve, solenoid directional control valve；Actuator includes: check valve, choke valve etc..
2) operation principle of hydraulic loading mechanism, the tested decelerator of different size, output moment of torsion is the most different, and, survey
During examination decelerator outfan moment of torsion, must give outfan and i.e. load with resistance, loading force is slightly below the moment of tested decelerator, institute
With, the moment of hydraulic executer should be adjustable, say, that the hydraulic coupling promoting piston should be adjustable, and test process is to liquid
The work of dynamic executor has claimed below:
Hydraulic executer is not when oil pump and electromagnetic valve work, and the decelerator in being operated drives, except machinery originally
Frictional force outside, should be without other resistances, even if oil cylinder has excess oil, it is possible to from the H type oil duct oil sump tank of solenoid directional control valve.Surge and hold
Row device can run under the overflow valve system pressure after adjusting；Hydraulic executer can not change at the overflow valve system pressure after adjusting
In the case of change, adjusted choke valve, system pressure can be reduced until suitable.
In order to meet requirements above, hydraulic loading mechanism spy makees design in this way: three phase electric machine drives oil pump, to electromagnetic switch
Valve fuel feeding, bypass has overflow valve, to set up hydraulic system gross pressure, plays the overflow effect under level pressure and safeguard protection effect.
The actuator being connected on hydraulic main circuit, it is composed in series two-ways regulation loop, two choke valves by choke valve and check valve
During closedown, system pressure is constant, and hydraulic executer runs under system pressure, when choke valve is opened, and hydraulic oil will back down unidirectional
Valve then declines from choke valve oil return, system pressure, if two choke valves open maximum, hydraulic oil oil-feed and oil return intercommunication, oil
Cylinder is in floating state, and hydraulic executer is failure to actuate.
Measurement specific operation process is:
1) first, the torque sensor of fixed torque testing table is installed the fixed disk of band three-jaw, to load maintainer
Hydraulic system rated pressure is set up, and according still further to the 90% of tested decelerator output torque value, adjusts actuator, makes to surge and hold
Row device two to moment of torsion all reach this value.
2) unload the fixed disk of band three-jaw, tested decelerator is installed, its outfan and torque sensor, the safe company of power transmission shaft
Connect, add transportable test panel platform, after X-Y-Z position adjustment, the tenon joint of its drive mechanism and decelerator input blind mortise
Joint can dock.
3) stroke is adjusted, and hydraulic system does not works, and the drive mechanism of portable torque testing table drives decelerator, decelerator
Outfan closes to running to closing the state that puts in place, shuts down, and the maximum opening value of collection retains；Reversely, run to reaching a state, stop
Machine, the maximum opening value of collection retains.
4) stroke torsion-testing, hydraulic loading mechanism works, and the drive mechanism of portable torque testing table drives decelerator,
Decelerator outfan closes and puts in place state to running to closing, the opening value of computer real-time acquisition decelerator input and outfan and
Torque value, shuts down, and the opening value of collection and torque value show in real time on the display of electrical control cubicles and store；Reversely, run extremely
Reaching a state, shut down, the opening value of collection and torque value show the most in real time and store, the curve that this process is drawn
Abscissa is outfan aperture, and vertical coordinate is input torque value and two curves of outfan torque value.If in test process
Collected torque signal, and can be automatically stopped and alarm indicator: " over torque in test process please check and get rid of over torque event
Barrier ".
Three the maximum torque typings testing acquisition during this being tested in form, computer calculates transmission automatically
Efficiency.
Above in conjunction with accompanying drawing, the present invention is exemplarily described, it is clear that the present invention implements not by aforesaid way
Restriction, as long as have employed the design of the present invention and the improvement of various unsubstantialities that technical scheme is carried out, or the most improved will
Design and the technical scheme of the present invention directly apply to other occasion, all within protection scope of the present invention.
Claims (10)
1. a decelerator transmission efficiency test device, it is characterised in that: include decelerator input torque measuring mechanism and subtract
Speed device outfan torque measuring mechanism and electrical control cubicles, described decelerator input torque measuring mechanism includes drive mechanism, sets
Torque sensor I on the output shaft of drive mechanism and be located at the output shaft end of drive mechanism for tested decelerator
The coupling spindle that input is connected, described decelerator outfan torque measuring mechanism includes for being connected with tested decelerator outfan
Load maintainer and be located at the torque sensor II of tested decelerator outfan, described drive mechanism and torque sensor I and
Torque sensor II is all connected with electrical control cubicles.
2. as claimed in claim 1 decelerator transmission efficiency test device, it is characterised in that: the end of described output shaft with couple
Clutch it is provided with between axle.
3. decelerator transmission efficiency tests device as claimed in claim 1, it is characterised in that: described coupling spindle and tested decelerator
It is connected by grooving header structure between input.
4. as claimed in claim 1 decelerator transmission efficiency test device, it is characterised in that: be provided with in described drive mechanism for
Gather the pulse codr I of tested decelerator input displacement signal, described decelerator outfan torque measuring mechanism is provided with
For gathering the pulse codr II of tested decelerator outfan displacement signal.
5. decelerator transmission efficiency tests device as claimed in claim 1, it is characterised in that: described decelerator input torque measuring
Measuring mechanism is portable torque testing table, including frame and leading screw, is provided with universal caster wheel bottom described frame, frame be provided with
The nut that leading screw matches, leading screw is provided with the slide plate of removable regulation, and drive mechanism is located on slide plate.
6. decelerator transmission efficiency tests device as claimed in claim 1, it is characterised in that: described decelerator outfan torque measuring
Measuring mechanism is fixed torque testing table, including fixed pedestal, fixed pedestal be provided with for tested decelerator outfan phase
Power transmission shaft even, torque sensor II is located on power transmission shaft, and load maintainer is located on fixed pedestal, load maintainer and power transmission shaft phase
Even.
7. decelerator transmission efficiency tests device as claimed in claim 2, it is characterised in that: described clutch is electromagnetic clutch
Device.
8. decelerator transmission efficiency tests device as claimed in claim 6, it is characterised in that: described load maintainer is hydraulic loaded
Mechanism, including oil pump with for the hydraulic executer loading power transmission shaft, oil pump is connected with hydraulic executer.
9. decelerator transmission efficiency tests device as claimed in claim 6, it is characterised in that: described power transmission shaft upper end is provided with to be easy to
The three-jaw joint being connected with tested decelerator outfan.
10. decelerator transmission efficiency tests device as claimed in claim 6, it is characterised in that: described oil pump and hydraulic executer
Between be provided with the actuator for regulating oil pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610528510.5A CN106197998A (en) | 2016-07-06 | 2016-07-06 | Decelerator transmission efficiency test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610528510.5A CN106197998A (en) | 2016-07-06 | 2016-07-06 | Decelerator transmission efficiency test device |
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| Publication Number | Publication Date |
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| CN106197998A true CN106197998A (en) | 2016-12-07 |
Family
ID=57465483
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| CN201610528510.5A Pending CN106197998A (en) | 2016-07-06 | 2016-07-06 | Decelerator transmission efficiency test device |
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| CN106525422A (en) * | 2016-12-22 | 2017-03-22 | 重庆川仪自动化股份有限公司 | Rotary actuator transmission efficiency test equipment |
| CN110160697A (en) * | 2019-05-29 | 2019-08-23 | 温州职业技术学院 | Accurate worm type of reduction gearing assembly and test equipment |
| CN113267335A (en) * | 2021-05-21 | 2021-08-17 | 北京工业大学 | Precision speed reducer return difference testing device |
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| CN106525422B (en) * | 2016-12-22 | 2019-04-19 | 重庆川仪自动化股份有限公司 | Rotary executing agency's transmission efficiency test equipment |
| CN110160697A (en) * | 2019-05-29 | 2019-08-23 | 温州职业技术学院 | Accurate worm type of reduction gearing assembly and test equipment |
| CN110160697B (en) * | 2019-05-29 | 2020-04-24 | 温州职业技术学院 | Assembling and testing equipment for precision worm gear reducer |
| CN113267335A (en) * | 2021-05-21 | 2021-08-17 | 北京工业大学 | Precision speed reducer return difference testing device |
| CN113267335B (en) * | 2021-05-21 | 2022-08-02 | 北京工业大学 | Precision speed reducer return difference testing device |
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Address after: 245000 Shuai Xin Industrial Park, Yang Hu Town, Tunxi District, Huangshan City, Anhui Applicant after: HUANGSHAN LIANGYE INTELLIGENT CONTROL Co.,Ltd. Address before: 245000 Shuai Xin Industrial Park, Yang Hu Town, Tunxi District, Huangshan City, Anhui Applicant before: Mount Huangshan Liang Ye intelligent Polytron Technologies Inc. Address after: 245000 Shuai Xin Industrial Park, Yang Hu Town, Tunxi District, Huangshan City, Anhui Applicant after: Mount Huangshan Liang Ye intelligent Polytron Technologies Inc. Address before: 245000 Shuai Xin Industrial Park, Yang Hu Town, Tunxi District, Huangshan City, Anhui Applicant before: HUANGSHAN LIANGYE VALVE Co.,Ltd. |
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Application publication date: 20161207 |