CN104634568B - A kind of enclosed drive axle test device of utilization fluid-flywheel clutch loading - Google Patents
A kind of enclosed drive axle test device of utilization fluid-flywheel clutch loading Download PDFInfo
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- CN104634568B CN104634568B CN201510054147.3A CN201510054147A CN104634568B CN 104634568 B CN104634568 B CN 104634568B CN 201510054147 A CN201510054147 A CN 201510054147A CN 104634568 B CN104634568 B CN 104634568B
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- drive axle
- shaft end
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- fluid
- output shaft
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Abstract
The invention discloses a kind of enclosed drive axle test device of utilization fluid-flywheel clutch loading, including prime mover, right transmission case, power composite box, fluid-flywheel clutch, Left Drive case and tested drive axle；First input shaft end of right transmission case is connected by shaft coupling with prime mover, and second input shaft end is connected with the right output shaft of tested drive axle；The output shaft end of right transmission case is connected by shaft coupling with the right input shaft end of power composite box；The left input shaft end of power composite box is connected by shaft coupling with the output shaft end of Left Drive case；The output shaft end of power composite box is connected by shaft coupling with the pump impeller shaft of fluid-flywheel clutch；The input shaft end of Left Drive case is connected with the left output shaft of tested drive axle；Tested drive axle input shaft is connected with the turbine wheel shaft of fluid-flywheel clutch.The present invention can return to the mechanical energy of two output ends of tested drive axle the input of tested drive axle, and drive axle is exported energy turns into experiment power.
Description
【Technical field】
The invention belongs to vehicle structure technical field of performance test, more particularly to a kind of drive axle test device.
【Background technology】
At present, the stand of the power performance testing experiment of drive axle is generally divided into two kinds, one kind be testing stand power flow not
The open-drive bridge testing stand of closing.Open test platform structure is simple, easy for installation, but the power output of drive axle is not
Feedback it can use again, testing stand energy consumption is big, experimentation cost is high, usual this testing stand is applied to that experiment power is smaller or experiment
Cycle it is short drive axle experiment.Another is the blocking test platform of testing stand power flow circulation, and this testing stand can be reclaimed
The consumed energy of experiment, experiment energy loss is small, it is adaptable to the drive axle experiment that power is larger, the test period is longer.It is common
Blocking test platform form have the closed drive axle testing stand of machine driving and the closed drive axle testing stand of electric transmission.Wherein
The most significant advantage of machine driving blocking test platform is energy-conservation, can reduce operating cost, but due to relative to open examination
Platform is tested, transmission device and servo-loading unit is which increased, composition is just relative complex, price is also just relative to want more expensive；Fax
Dynamic blocking test platform mechanical structure is simple and compact, and power loss is small, efficiency high, reduces heating, but its Power Recovery mode
It is that the mechanical energy for exporting drive axle is converted into electric energy, then is reclaimed by power network, NETWORK STRUCTURE PRESERVING POWER SYSTEM, technical sophistication, into
This is big.
【The content of the invention】
It is an object of the invention to provide a kind of enclosed drive axle test device of utilization fluid-flywheel clutch loading, its structure
Simply, loading performance is good, it is possible to achieve experiment Power Recovery.
To achieve these goals, the present invention is adopted the following technical scheme that：
A kind of enclosed drive axle test device of utilization fluid-flywheel clutch loading, including prime mover, right transmission case, power are closed
Into case, fluid-flywheel clutch, Left Drive case and tested drive axle；
Right transmission case has two input shaft ends and an output shaft end；Power composite box have two input shaft ends and one it is defeated
Go out shaft end；Left Drive case has an input shaft end and an output shaft end；
First input shaft end of right transmission case is connected by shaft coupling with prime mover, and second input shaft end is with being tested
The right output shaft of drive axle is connected；The right input shaft end phase that the output shaft end of right transmission case passes through shaft coupling and power composite box
Connection；
The left input shaft end of power composite box is connected by shaft coupling with the output shaft end of Left Drive case；Power composite box
Output shaft end be connected by shaft coupling with the pump impeller shaft of fluid-flywheel clutch；
The input shaft end of Left Drive case is connected with the left output shaft of tested drive axle；
The input shaft of tested drive axle is connected with the turbine wheel shaft of fluid-flywheel clutch.
It is preferred that, the left output shaft phase that the input shaft end of the Left Drive case passes through left output transducer and tested drive axle
Connection.
It is preferred that, second input shaft end of right transmission case passes through right output transducer and the right output shaft of tested drive axle
It is connected.
It is preferred that, the input shaft of tested drive axle is connected by input pickup with the turbine wheel shaft of fluid-flywheel clutch.
It is preferred that, described prime mover is buncher.
It is preferred that, right transmission case is chain drive or gear drive；Left Drive case is chain drive or gear drive.
It is preferred that, power composite box is gear drive.
Compared with existing drive axle testing stand, beneficial effects of the present invention are：The fluid-flywheel clutch arranged-machinery is passed
Dynamic system can return to the mechanical energy of two output ends of tested drive axle the input of tested drive axle, make drive axle defeated
Going out energy turns into experiment power, and energy regenerating mode is simple, good energy-conserving effect.
【Brief description of the drawings】
Fig. 1 is the schematic diagram of test device of the present invention.
In figure：1 it is prime mover, 2 be right transmission case, 3 be power composite box, 4 be fluid-flywheel clutch, 5 is Left Drive case, 6
It is tested drive axle for left output transducer, 7,8 be right output transducer, 9 is input pickup.
【Embodiment】
Illustrate the embodiment of the present invention below by embodiment, but the invention is not restricted to these embodiments.
Refer to shown in Fig. 1, a kind of enclosed drive axle test device of utilization fluid-flywheel clutch loading of the invention, including original
Motivation 1 (being buncher in Fig. 1), right transmission case 2 (being chain drive in Fig. 1), power composite box 3 (are that gear is passed in Fig. 1
It is dynamic), fluid-flywheel clutch 4, Left Drive case 5, left output transducer 6, tested drive axle 7, right output transducer 8 and input pickup
9.Transmission case can be chain drive, or gear drive.
Right transmission case 2 has two input shaft ends and an output shaft end, wherein first input shaft end by shaft coupling with
Prime mover 1 is connected, and second input shaft end is connected by right output transducer 8 with the right output shaft of tested drive axle 7；It is right
The output shaft end of transmission case 2 is connected by shaft coupling with the right input shaft end of power composite box 3.
Power composite box 3 has two input shaft ends and an output shaft end, wherein right input shaft end passes through shaft coupling and the right side
The output shaft of transmission case 2 is connected, and left input shaft end is connected by shaft coupling with the output shaft end of Left Drive case 5；Power is closed
Output shaft end into case 3 is connected by shaft coupling with the pump impeller shaft of fluid-flywheel clutch 4.
Left Drive case 5 has an input shaft end and an output shaft end, and the wherein input shaft end of Left Drive case 5 is defeated by a left side
The left output shaft for going out sensor 6 with tested drive axle 7 is connected, and the output shaft end of Left Drive case 5 is closed by shaft coupling and power
Left input shaft end into case 3 is connected.
The tested input shaft of drive axle 7 is connected by input pickup 9 with the turbine wheel shaft of fluid-flywheel clutch 4；Tested driving
The right output shaft of bridge 7 is connected by right output transducer 8 with second input shaft end of right transmission case 2；Tested drive axle 7 is left defeated
Shaft is connected by left output transducer 6 with the input shaft end of Left Drive case 5.
The pump impeller shaft of fluid-flywheel clutch 4 is connected by shaft coupling with the output shaft end of power composite box 3；Fluid-flywheel clutch 4
Turbine wheel shaft be connected by input pickup 9 with the tested input shaft of drive axle 7.
The torque of axle and rotating speed two where left output transducer 6, right output transducer 8, input pickup 9 all test it
Parameter.
Concrete operating principle：
According to Principle of Mechanical Designing, it can be deduced that the main member rotation speed relation in the present embodiment is：
In formula:n1For the turbine rotating speed of fluid-flywheel clutch 4；n′2To be tested the rotating speed of the right output shaft of drive axle 7；n″2For quilt
Survey the rotating speed of the left output shaft of drive axle 7；n3For the rotating speed of prime mover 1；n4The pump impeller rotating speed of fluid-flywheel clutch 4；i1For tested drive
The resultant gear ratio of dynamic bridge 7；i′2For the gearratio of right transmission case 2；i″2For the gearratio of Left Drive case 5；i3For power composite box 3
Gearratio；i4For the gearratio of fluid-flywheel clutch 4.
Can be drawn in the formula of (1)~(5) it is following some：
1st, from (1) formula, in gearratio i1、i′2、i″2Under conditions of given, the input speed of drive axle 7 is tested (i.e.
The turbine rotating speed of fluid-flywheel clutch 4) n1With rotating speed (i.e. the input shaft rotating speed of power composite box 3) n of prime mover 13Between have determination
Relation.
2nd, from (2), (3) formula, in i '2=i "2Under conditions of, n '2=n "2, that is, at this moment it is tested drive axle 7 left
The rotating speed of output shaft is equal to the rotating speed of its right output shaft；At this moment the rotating speed n of prime mover 1 is adjusted by control system3, tune can be realized
The input speed n of whole tested drive axle 71, can be with simulating vehicle with situation during friction speed straight-line travelling.
3rd, from (4) formula, the gearratio i of power composite box 33Under conditions of given, the pump impeller rotating speed of fluid-flywheel clutch 4
(i.e. the output shaft end rotating speed of power composite box 3) n4(i.e. the input shaft end of power composite box 3 turns with the input speed of prime mover 1
Speed) n3Between have the relation of determination.
Comprehensive foregoing 1,2,3 understand, in i1、i′2、i″2、i3It is determined that under conditions of, control the rotating speed of prime mover 1, so that it may
To determine the rotating speed of all revolving members in the equipment, it may be determined that the speed simulated.
4th, from (5) formula, in i1、i′2+i″2、i3It is determined that under conditions of, the gearratio i of fluid-flywheel clutch 44It is to determine
's.
5th, from (2), (3) formula, in i '2≠i″2Under conditions of, n '2≠n″2, that is, at this moment it is tested drive axle 7 left
The rotating speed of output shaft is not equal to the rotating speed of its right output shaft；At this moment the input speed of tested drive axle 7 is adjusted by control system
n1Situation about can be travelled with simulating vehicle when turning；In i '2+i″2Under conditions of constant, by adjusting i '2、i″2, can obtain
Different n '2、n″2, situation about can be turned with simulating vehicle with different radii, while the gearratio of fluid-flywheel clutch 4 can be ensured
i4It is constant, that is, ensure that the working condition of fluid-flywheel clutch is constant.
From the operation principle of fluid-flywheel clutch, for given fluid-flywheel clutch, in its pump impeller, the rotating speed of turbine
It is determined that after, if the working solution in the fluid-flywheel clutch is determined, impeller torque, the runner torque of the fluid-flywheel clutch are also just true
It is fixed.That is, the pump impeller at this moment rotated can produce a torque actuated turbine.The gearratio of fluid-flywheel clutch 4 in experiment
i4It should be determined according to the performance of actual fluid-flywheel clutch, generally less than 0.97.
Practical work process is as follows：
The rotating speed n of prime mover 1 is set by the predetermined simulating vehicle speed of service3, start prime mover 1, all turns of system
Dynamic element can all be run by formula (1)~(4) result of calculation.
In start-up course, the pump impeller of fluid-flywheel clutch 4 can progressively produce torque, drive its turbine rotation, and turbine wheel shaft leads to
The input shaft for crossing the tested drive axle 7 of the driving of input pickup 9 is rotated.In tested drive axle 7, due to the effect of differential mechanism, move
Power is divided into two-way：
First via power is exported from the right output shaft of tested drive axle 7, and right transmission case 2 is driven by right output transducer 8
Second input shaft end rotate, inside right transmission case 2, power from prime mover 1 and the right output of tested drive axle 7 come
Behind the power interflow of axle, the output shaft end from right transmission case 2, the right input shaft end turn by shaft coupling driving power composite box 3
It is dynamic.
Second road power is exported from the left output shaft of tested drive axle 7, and Left Drive case 5 is driven by left output transducer 6
Input shaft end rotate, output shaft end from Left Drive case 5, by shaft coupling drive the left input shaft end of power composite box 3 to turn
It is dynamic.
Inside power composite box 3, the first via power from its right input shaft end and second from left input shaft end
Behind the power interflow of road, exported from the output shaft of power composite box 3, the pump impeller for driving fluid-flywheel clutch 4 by shaft coupling is rotated, real
Now experiment loaded energy is reclaimed.
Due to various energy losses, the power of the right output shaft from tested drive axle 7 and the tested drive axle 7 come are left defeated
Behind the power interflow of shaft, it is not enough to drive the pump impeller of fluid-flywheel clutch 4 to rotate certainly, the power lacked is passed through by prime mover 1
Right transmission case 2 is compensated.
Change fluid-flywheel clutch 4 in working solution number, it is possible to change the driving torque of the pump impeller of fluid-flywheel clutch 4, enter
And change test load.
The left output transducer 6 of record analysis, right output transducer 8, the data of input pickup 9, it is possible to obtain tested drive
The power performance of dynamic bridge 7.
Claims (1)
1. a kind of enclosed drive axle test device of utilization fluid-flywheel clutch loading, it is characterised in that including prime mover (1), the right side
Transmission case (2), power composite box (3), fluid-flywheel clutch (4), Left Drive case (5) and tested drive axle (7)；
Right transmission case (2) has two input shaft ends and an output shaft end；Power composite box (3) has two input shaft ends and one
Output shaft end；Left Drive case (5) has an input shaft end and an output shaft end；
First input shaft end of right transmission case (2) is connected by shaft coupling with prime mover (1), second input shaft end and quilt
The right output shaft for surveying drive axle (7) is connected；The output shaft end of right transmission case (2) passes through shaft coupling and power composite box (3)
Right input shaft end is connected；
The left input shaft end of power composite box (3) is connected by shaft coupling with the output shaft end of Left Drive case (5)；Power coupling
The output shaft end of case (3) is connected by shaft coupling with the pump impeller shaft of fluid-flywheel clutch (4)；
The input shaft end of Left Drive case (5) is connected with the left output shaft of tested drive axle (7)；
The input shaft of tested drive axle (7) is connected with the turbine wheel shaft of fluid-flywheel clutch (4)；
Wherein, each component rotation speed relation is：
In formula:n1For fluid-flywheel clutch (4) turbine rotating speed；n′2To be tested the rotating speed of drive axle (7) right output shaft；n″2For quilt
Survey the rotating speed of drive axle (7) left output shaft；n3For the rotating speed of prime mover (1)；n4The pump impeller rotating speed of fluid-flywheel clutch (4)；i1For
The resultant gear ratio of tested drive axle (7)；i2' be right transmission case (2) gearratio；i2" it is the gearratio of Left Drive case (5)；i3For
The gearratio of power composite box (3)；i4For the gearratio of fluid-flywheel clutch (4)；
The input shaft end of the Left Drive case (5) is connected by left output transducer (6) with the left output shaft of tested drive axle (7)
Connect；
The right output shaft phase that second input shaft end of right transmission case (2) passes through right output transducer (8) and tested drive axle (7)
Connection；
The input shaft of tested drive axle (7) is connected by input pickup (9) with the turbine wheel shaft of fluid-flywheel clutch (4)；
The prime mover (1) is buncher；
Right transmission case (2) is chain drive or gear drive；Left Drive case (5) is chain drive or gear drive；
Power composite box (3) is gear drive；
A kind of enclosed drive axle test device of utilization fluid-flywheel clutch loading is in use, comprise the following steps：
The rotating speed n of prime mover (1) is set by the predetermined simulating vehicle speed of service3, start prime mover (1), all rotations of system
Element can all be run by formula (1)~(4) result of calculation；
In start-up course, the pump impeller of fluid-flywheel clutch (4) can progressively produce torque, drive its turbine rotation, and turbine wheel shaft passes through
The input shaft of the tested drive axle (7) of input pickup (9) driving is rotated；In tested drive axle (7), due to the work of differential mechanism
With power is divided into two-way：
First via power is exported from the right output shaft of tested drive axle (7), and right transmission case is driven by right output transducer (8)
(2) second input shaft end is rotated, internal in right transmission case (2), the power from prime mover (1) and the tested drive axle come
(7) behind the power interflow of right output shaft, output shaft end from right transmission case (2), pass through shaft coupling and drive power composite box (3)
Right input shaft end is rotated；
Second road power is exported from the left output shaft of tested drive axle (7), and Left Drive case is driven by left output transducer (6)
(5) input shaft end is rotated, the output shaft end from Left Drive case (5), the left input by shaft coupling driving power composite box (3)
Shaft end is rotated；
It is internal in power composite box (3), the first via power from its right input shaft end and the second tunnel from left input shaft end
Behind power interflow, exported from the output shaft of power composite box (3), the pump impeller for driving fluid-flywheel clutch (4) by shaft coupling is rotated,
Realize that experiment loaded energy is reclaimed；
Due to various energy losses, the power of the right output shaft from tested drive axle (7) and the tested drive axle (7) come are left defeated
Behind the power interflow of shaft, it is not enough to drive the pump impeller of fluid-flywheel clutch (4) to rotate certainly, the power lacked is by prime mover (1)
Compensated by right transmission case (2)；
Change fluid-flywheel clutch (4) interior working solution number, just change fluid-flywheel clutch (4) pump impeller driving torque, Jin Ergai
Become test load；
The left output transducer of record analysis (6), right output transducer (8), input pickup (9) data, obtain tested drive axle
(7) power performance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510054147.3A CN104634568B (en) | 2015-02-02 | 2015-02-02 | A kind of enclosed drive axle test device of utilization fluid-flywheel clutch loading |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510054147.3A CN104634568B (en) | 2015-02-02 | 2015-02-02 | A kind of enclosed drive axle test device of utilization fluid-flywheel clutch loading |
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| Publication Number | Publication Date |
|---|---|
| CN104634568A CN104634568A (en) | 2015-05-20 |
| CN104634568B true CN104634568B (en) | 2017-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510054147.3A Expired - Fee Related CN104634568B (en) | 2015-02-02 | 2015-02-02 | A kind of enclosed drive axle test device of utilization fluid-flywheel clutch loading |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110361191B (en) * | 2019-07-30 | 2023-12-19 | 苏州英特模科技股份有限公司 | Efficient test system and test method for electric drive axle power assembly |
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| CN101559719A (en) * | 2008-04-16 | 2009-10-21 | 熊涔博 | Hydraulic coupler type limited-slip differential |
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| CN204405322U (en) * | 2015-02-02 | 2015-06-17 | 长安大学 | A kind of enclosed drive axle proving installation utilizing fluid-flywheel clutch to load |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2555067T3 (en) * | 2011-09-29 | 2015-12-28 | Moventas Gears Oy | Test facility and method for testing gearboxes and electromechanical energy converters |
-
2015
- 2015-02-02 CN CN201510054147.3A patent/CN104634568B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101559719A (en) * | 2008-04-16 | 2009-10-21 | 熊涔博 | Hydraulic coupler type limited-slip differential |
| CN201688969U (en) * | 2010-06-08 | 2010-12-29 | 黄助远 | Hydraulic element and mechanical transmission part closing test bed |
| KR101119816B1 (en) * | 2011-10-26 | 2012-03-06 | 한국기계연구원 | Hydrostatic power circulation equipment |
| CN203203795U (en) * | 2013-05-03 | 2013-09-18 | 黄助远 | Closed-type testing table used for transmission parts |
| CN203616125U (en) * | 2013-12-02 | 2014-05-28 | 黑龙江工程学院 | Closed transmission system of automobile drive axle performance testing stand |
| CN204405322U (en) * | 2015-02-02 | 2015-06-17 | 长安大学 | A kind of enclosed drive axle proving installation utilizing fluid-flywheel clutch to load |
Non-Patent Citations (1)
| Title |
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| 封闭式驱动桥总成可靠性试验台动力装置的布置;谭琦瑛;《专用汽车》;20061115(第11期);论文第1页第2栏，第2页第1栏，图1、2 * |
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