CN201233314Y - Drive unit test device for four-wheel-drive vehicle - Google Patents
Drive unit test device for four-wheel-drive vehicle Download PDFInfo
- Publication number
- CN201233314Y CN201233314Y CNU2008201482478U CN200820148247U CN201233314Y CN 201233314 Y CN201233314 Y CN 201233314Y CN U2008201482478 U CNU2008201482478 U CN U2008201482478U CN 200820148247 U CN200820148247 U CN 200820148247U CN 201233314 Y CN201233314 Y CN 201233314Y
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- power train
- test
- wheel drive
- transmission system
- drive vehicle
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Abstract
The utility model relates to a four-wheel drive vehicle transmission system test device, which comprises a power source, an input connection device, a test four-wheel drive vehicle transmission system, an ascending speed change loading mechanism, and the like. Four ascending speed change loading mechanisms comprising a direction changing gear box are symmetrically arranged at both sides of the test transmission system, or two ascending speed change loading mechanisms comprising three shaft-extension gear boxes are arranged at the same side of the test transmission system. The input connection device integrates the power source, the test transmission system and a front axle, and is driven by the power source. The ascending speed change loading mechanisms are connected with a driving wheel shaft of the test four-wheel drive vehicle transmission system, and are used for the test loading and for recycling the electric energy. Compared with the prior four-wheel drive test technology, the device has satisfactory test capacity, good energy-saving effect and favorable application prospect.
Description
(1) technical field:
The utility model belongs to the plant equipment field, relates to a kind of four-wheel drive vehicle power train test unit.
(2) background technology
The four-wheel drive technology has in the vehicle product widely to be used, and especially four-wheel drive tractor has expanded to large, medium and small power bracket.The power train of this type of vehicle comprises propons and power train main part: drive disk assemblies such as wheel box, central transmission and differential mechanism, transfer case, back axle.Utilize four-wheel drive vehicle power train test unit to carry out the indoor bench test of the break-in of this type of vehicle transmission system, performance, fatigue lifetime, reliability, very important for the check of complete machine quality.Present domestic existing four-wheel drive vehicle power train test unit, its loading system can not reclaim energy, and its energy consumption is very huge in high-power power train test.In addition because propons generally is an individual components, with the power train main part be what to be separated.And four-wheel drive power train when test power need drive propons and power train main part simultaneously.Present connected mode is that propons is fixed on the floor separately, the power train main part also is fixed on the floor in addition, the transfer case output shaft that connects propons input shaft and power train main body again by transmission shaft, it is bigger that this kind mode is taken up an area of the space, and propons input shaft and transfer gear output shaft are difficult for guaranteeing right alignment.
(3) summary of the invention
The purpose of this utility model is to provide a kind of and can loads four live axles, the four-wheel drive vehicle power train test unit that loaded energy can effectively reclaim.
The technical solution of the utility model is: four-wheel drive vehicle power train test unit comprises power source 1, input coupling arrangement 2, transmission system gear shift case 3, power train propons 4, power train back axle 5, change gear case 6, prime wheel box 7, back level wheel box 8, current vortex speed-regulating AC machine 9.It is characterized in that: axially connect successively by change gear case 6, prime wheel box 7, back level wheel box 8, current vortex speed-regulating AC machine 9, constitute one group and rise the speed change load maintainer, have four groups rise the speed change load maintainer be symmetrically distributed in by the test power train both sides.Change gear case 6 and prime wheel box 7 can be the assemblies of combining.Connect power source 1 and input coupling arrangement 2 by transmission shaft, by input coupling arrangement 2 transmission system gear shift case 3 and power train propons 4 are linked into an integrated entity again, the output shaft of power train propons 4 and power train back axle 5 is connected its corresponding change gear case 6 respectively with transmission shaft.As shown in Figure 1.
For above-mentioned four-wheel drive vehicle power train test unit, can adopt three shaft extension gear casees 10 to replace change gear case 6 in a side of power train, opposite side in power train adopts two shaft extension gear casees 12 to replace change gear case 6, with transmission shaft 11 three shaft extension gear casees 10 of a side and two shaft extension gear casees 12 of opposite side are linked to each other, three shaft extension gear casees 10, prime wheel box 7, back level wheel box 8, current vortex speed-regulating AC machine 9 axially connects successively, constitute and another kind ofly to rise the speed change load maintainer, have two groups this type of rise the speed change load maintainer and be distributed in the same side of being tested power train.Link to each other with two shaft extension gear casees 12 with three shaft extension gear casees 10 of both sides respectively with the output shaft of transmission shaft power train propons 4 and power train back axle 5.As shown in Figure 2.
For above-mentioned four-wheel drive vehicle power train test unit, input coupling arrangement 2 comprises bearing seat 13 and support 14, support 14 has the base plate of vertical side plates and level, the input end housing end face of coupling shaft bearing 13 and transmission system gear shift case 3 on the side plate, the base plate of support 14 connects the hinged swing seat 15 of power train propons 4.Axle one end of bearing seat 13 connects power source 1, and the other end links to each other with the input shaft of transmission system gear shift case 3.The transfer case output shaft 17 of power train is connected to the input shaft 16 of power train propons 4 by transmission shaft.As shown in Figure 3.
Compared with prior art, the beneficial effects of the utility model are: with accompanying drawing 1 described four groups rise the speed change load maintainer or with accompanying drawing 2 described two groups rise the speed change load maintainer can be to four live axles of four-wheel drive power train imposed load effectively.Compare with hydraulic pressure or waterpower or mechanical braking load mode, current vortex speed-regulating AC machine loads can reclaim electric energy.Compare with the motor variable-frequency speed-regulating load mode, can directly will load the electric energy feedback in electrical network, the automatic and synchronized of the phase place of feedback voltage is littler to the interference of electrical network.The speed change load maintainer that rises of employing multi-change speed can be with the optimum operating speed scope of rotating speed modulation to loading motor, to realize the best power recovery.Adopt accompanying drawing 3 described input coupling arrangements 2, whole drive unit is become one, propons 4 is guaranteed with the precision that is connected of power train, and the propons and the power train main body of existing four-wheel drive power train test unit are discrete layouts, and it connects, and precision is difficult for guaranteeing and the occupation of land space is big.
(4) description of drawings
Fig. 1 vertically arranges schematic top plan view for four-wheel drive vehicle power train test unit.
Fig. 2 is a four-wheel drive vehicle power train test unit lateral arrangement schematic top plan view.
Fig. 3 is four-wheel drive vehicle power train test unit input coupling arrangement 2 connection diagrams.
(5) embodiment
As Fig. 1, four-wheel drive power train test unit shown in Figure 3, its front-end architecture is: power source 1 adopts 280kW frequency control alternating current generator, the swing seat 15 that connects propons 4 by the support 14 of input coupling arrangement 2, connect transmission system gear shift case 3, the axle front end of bearing seat 13 connects power source 1, the rear end connects into the input shaft of transmission system gear shift case 3 in inside, can import dynamometry by the serial connection torque and speed sensors between power source 1 and input coupling arrangement 2; Its propons drives structure is: the transfer case output shaft 17 of power train bottom connects the input shaft 16 of propons by transmission shaft.Its output end structure is: the propons 4 of power train and the driving shaft of back axle 5 are received a side drive wheel shaft on a kind of tractor transmission chassis respectively by universal shaft, this tractor transmission chassis is with the function of change gear case 6 and prime wheel box 7, level wheel box 8 after the connection on tractor transmission chassis, be connected to current vortex speed governing three phase alternating current motor 9, on tractor transmission chassis, equipped torque rotary speed measuring mechanism, to realize to being exported the axle head load measurement by the forward and backward bridge of test power train.
Can adopt testing table as shown in Figure 2, not not being both of itself and afore-mentioned test platform, two three shaft extension gear casees 10 and two two shaft extension gear casees 12 have been adopted, link to each other with long pass moving axis 11 between the two, three shaft extension gear casees 10 constitute the speed change load maintainer with prime wheel box 7, back level wheel box 8 and the current vortex speed governing three phase alternating current motor 9 of its rear end.Between the incoming end of the output shaft of front and back bridge 4,5 and three shaft extension gear casees 10, can be connected in series torque sensor to realize by the output terminal load measurement of test power train.This form testing table has simple in structure, and equipment is few, but can not independent imposed load to forward and backward bridge both sides output shaft.
The power that power source 1 sends drives underproof power train input end rotation through the axle of the bearing seat 13 of input coupling arrangement 2.The power of drive-train transfer case output drives propons 4 rotations through axle 17,16.Four groups of power of power train propons 4 and back axle 5 outputs are risen the loading of speed change load maintainer and are become electric power to feed back in electrical network power conversion by corresponding.Rise the multistage speed change that rises of speed change load maintainer, can make the optimum operating speed scope of turn up, to reach the best power coupling to current vortex speed governing three-phase current motor 9 (using) as generator.
Compare with existing four-wheel drive experimental technique, the utility model technology is with regard to such experimental rig Propose new model, had satisfied power of test and good energy-saving effect and compact cloth Put, have a good application prospect.
Claims (3)
1. four-wheel drive vehicle power train test unit, comprise power source (1), input coupling arrangement (2), transmission system gear shift case (3), power train propons (4), power train back axle (5), change gear case (6), prime wheel box (7), back level wheel box (8), current vortex speed-regulating AC machine (9), it is characterized in that: by change gear case (6), prime wheel box (7), back level wheel box (8), current vortex speed-regulating AC machine (9) axially connects successively, constitute one group and rise the speed change load maintainer, have four groups rise the speed change load maintainer be symmetrically distributed in by the test power train both sides.
2. four-wheel drive vehicle power train test unit according to claim 1, it is characterized in that: the side in power train adopts three shaft extension gear casees (10), opposite side in power train adopts two shaft extension gear casees (12), with transmission shaft (11) three shaft extension gear casees (10) of a side and two shaft extension gear casees (12) of opposite side are linked to each other, three shaft extension gear casees (10), prime wheel box (7), back level wheel box (8), current vortex speed-regulating AC machine (9) axially connects successively, constitute and another kind ofly to rise the speed change load maintainer, have two groups this type of rise the speed change load maintainer and be distributed in the same side of being tested power train.
3. four-wheel drive vehicle power train test unit according to claim 1 is characterized in that: change gear case (6) and prime wheel box (7) are the assemblies of combining.
4. four-wheel drive vehicle power train test unit according to claim 1, it is characterized in that: input coupling arrangement (2) comprises bearing seat (13) and support (14), support (14) has the base plate of vertical side plates and level, the input end housing end face of coupling shaft bearing (13) and transmission system gear shift case (3) on the side plate, the base plate of support (14) connects the hinged swing seat (15) of power train propons (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201482478U CN201233314Y (en) | 2008-07-29 | 2008-07-29 | Drive unit test device for four-wheel-drive vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201482478U CN201233314Y (en) | 2008-07-29 | 2008-07-29 | Drive unit test device for four-wheel-drive vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201233314Y true CN201233314Y (en) | 2009-05-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201482478U Expired - Fee Related CN201233314Y (en) | 2008-07-29 | 2008-07-29 | Drive unit test device for four-wheel-drive vehicle |
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| CN (1) | CN201233314Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101858823A (en) * | 2010-05-17 | 2010-10-13 | 哈尔滨工程大学 | Balanced type transmission device used for torsion loading device |
| CN102967470A (en) * | 2012-11-01 | 2013-03-13 | 中国煤炭科工集团太原研究院 | Bench test system of explosion-proof rubber-tyred vehicle |
| CN103134585A (en) * | 2011-12-02 | 2013-06-05 | 苏州工业园区高登威科技有限公司 | Vibration test system of seat backrest |
| CN104390793A (en) * | 2014-10-31 | 2015-03-04 | 北京新能源汽车股份有限公司 | Four-wheel drive power test stand |
| CN105092264A (en) * | 2015-08-27 | 2015-11-25 | 洛阳西苑车辆与动力检验所有限公司 | Tractor power gearshift power train test desk frame and test method thereof |
| CN106679984A (en) * | 2015-11-05 | 2017-05-17 | 宁夏琪凯节能设备有限公司 | Energy-saving PV test device |
| CN107436243A (en) * | 2017-10-09 | 2017-12-05 | 广州电力机车有限公司 | A kind of electric transmission dumper testing stand and method |
-
2008
- 2008-07-29 CN CNU2008201482478U patent/CN201233314Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101858823A (en) * | 2010-05-17 | 2010-10-13 | 哈尔滨工程大学 | Balanced type transmission device used for torsion loading device |
| CN101858823B (en) * | 2010-05-17 | 2012-02-01 | 哈尔滨工程大学 | Balanced type transmission device used for torsion loading device |
| CN103134585A (en) * | 2011-12-02 | 2013-06-05 | 苏州工业园区高登威科技有限公司 | Vibration test system of seat backrest |
| CN102967470A (en) * | 2012-11-01 | 2013-03-13 | 中国煤炭科工集团太原研究院 | Bench test system of explosion-proof rubber-tyred vehicle |
| CN104390793A (en) * | 2014-10-31 | 2015-03-04 | 北京新能源汽车股份有限公司 | Four-wheel drive power test stand |
| CN104390793B (en) * | 2014-10-31 | 2018-04-06 | 北京新能源汽车股份有限公司 | A kind of four-driving-force testing stand |
| CN105092264A (en) * | 2015-08-27 | 2015-11-25 | 洛阳西苑车辆与动力检验所有限公司 | Tractor power gearshift power train test desk frame and test method thereof |
| CN105092264B (en) * | 2015-08-27 | 2017-09-01 | 洛阳西苑车辆与动力检验所有限公司 | Tractor dynamic power shift Power Train Test Bench frame and its test method |
| CN106679984A (en) * | 2015-11-05 | 2017-05-17 | 宁夏琪凯节能设备有限公司 | Energy-saving PV test device |
| CN107436243A (en) * | 2017-10-09 | 2017-12-05 | 广州电力机车有限公司 | A kind of electric transmission dumper testing stand and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090506 Termination date: 20140729 |
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| EXPY | Termination of patent right or utility model |