CN203093710U - Drive axle system of large-tonnage electric truck - Google Patents
Drive axle system of large-tonnage electric truck Download PDFInfo
- Publication number
- CN203093710U CN203093710U CN2012207077937U CN201220707793U CN203093710U CN 203093710 U CN203093710 U CN 203093710U CN 2012207077937 U CN2012207077937 U CN 2012207077937U CN 201220707793 U CN201220707793 U CN 201220707793U CN 203093710 U CN203093710 U CN 203093710U
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- drive
- drive axle
- drive motor
- tonnage
- assembly
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The utility model relates to a drive axle system of a large-tonnage electric truck so as to meet design requirements of the large-tonnage electric truck. The drive axle system of the large-tonnage electric truck is provided with more than two drive axle assemblies fixed at the bottom of a frame in parallel. A driving motor is mounted on each drive axle assembly and accesses into a controller assembly capable of adjusting multiple driving motors to synchronously start at same rotation speed at starting moment, and the controller assembly is connected with a gear converter and a synchronous accelerator simultaneously. By adopting double-axle drive, running programs of each driving motor control system (commonly known as controller) can be programmed and adjusted, a programmer inputs uniform programming commands to multiple controllers respectively, then the controllers are subjected to running test and repeated test adjustment so as to achieve no time error in transmission of synchronous running commands.
Description
Technical field
The utility model belongs to transport facility manufacturing technology field, particularly a kind of electrocar.
Background technology
Transport trolley transports the main vehicle of product parts as enterprises, uses very extensive in the large and medium-sized enterprise workshop.Employing fuel vehicle in the past is more, and along with the shop work enhancement of environment, working spaces such as most workshop are closing form, so the transport trolley of electricity driving is at present generally promoted.It is little that but electricity drives the general power of car, just can't realize for heavier and large-size workpiece handling.For connecing head it off, just needing to improve electricity drives the power of car and increases box sizes, doube bridge (even three bridges) electricity just occurred and driven car, can't realize many bridges of drive power source car but thing followed problem is present power of high pulling torque motor.
Retrieve a kind of double-motor dual energy sources compound drive system (CN201110153846.5) for head it off, a kind of double-motor dual energy sources compound drive system is provided, and it comprises power battery pack, super capacitor group, DC/DC changer, main drive motor, main drive motor controller, auxilliary drive motor, auxilliary drive motor controller, auxilliary transmission shaft, main driving axle and dual input couple drive bridge.The super capacitor group is responsible for auxilliary drive motor is powered, and auxilliary drive motor provides motor braking moment for providing assistive drive moment in vehicle launch, acceleration, the upward slope process in the feedback braking.The electric energy of helper motor feedback braking is absorbed by super capacitor fully.Power battery pack is responsible for main drive motor and all the other vehicle electric auxiliaries are powered.When the electric weight of being stored when the super capacitor group is lower than certain limit value, by power battery pack through the permanent power charging of compensating property of DC/DC changer.The output torque of main drive motor and auxilliary drive motor satisfies the uphill starting and the acceleration capability of vehicle through the coupling of dual input drive axle.The design of adopting oily electric combination drive is also arranged, such as oil electricity mix two drive axles (CN201020547871.2) comprise axle housing, drive bevel gear, by dynamic bevel gear and diff, connected an electronic finishing bevel gear cuter on the dynamic bevel gear, electronic finishing bevel gear cuter is connected to a motor by a minor axis; Motor is the dual motor of dynamoelectric and power generation, can be arranged on the axle housing rear, direct drive; Or on the motor crossbeam, the transmission shaft that installs the band universal-joint additional drives.The utility model oil electricity mixes two drive axles, adopts the vehicle bridge rear end of technology maturation at home, installs the definite-purpose motor of oil electric mixed dynamic automobile additional, realizes that the oil electricity mixes two-motor drive; The main reduction gear driven wheel of differential of direct drive vehicle bridge can make the main reduction gear driven wheel of differential stressed more reasonable; Simplified the type of drive of present oil electric mixed dynamic automobile, in use, in case et out of order, its trouble location is easily judged, and dismounting, debugging and maintenance are comparatively convenient; Commonality is good, can be used in other all types of oil and electricity hybrid vehicles.
These doube bridges drive car and all adopt the hybrid power mode, obviously can't overcome the transport trolley pollution problem.
Large-tonnage storage battery transport trolley drive system is that a kind of energy satisfies carrying more than 10 tons, at vehicle the special drive system of special requirement (as: car body overlength, super wide, overweight) is arranged, and it is little that it has a volume, drives driving stability, the characteristics that load-carrying ability is strong.Be mainly used in the logistics of large enterprise's in-to-in super large object.Can mate suitable relatively drive system at the car body that difference is special-shaped, load-carrying is big.The over-borrowing of present domestic storage battery car drive system is produced drive axle with the mode that automobile drive axle combines with DC machine, and this pontic amasss greatly, cost is high, weight is big, the number ratio is big, can't satisfy 10 tons and above large-tonnage storage battery car use.Drive the problem that transport trolley list bridge drives under power for solving the large-tonnage electricity, preferably adopt doube bridge to drive, also want driven in synchronism, but doube bridge is insoluble technical matters of the same trade synchronously.
The utility model content
The utility model purpose is a kind of large-tonnage electrocar drive axle of design system, needs with the design that realizes the large-tonnage electrocar.
Large-tonnage electrocar drive axle system, has the drive axle assembly, its drive axle assembly is more than two and is fixed on bottom of frame side by side, a drive motor is housed on each drive axle assembly, simultaneously each drive motor inserts and can adjust a plurality of drive motor starting on the control assembly that moment starts with rotating speed synchronously, is connected to gear conv and synchrontron on the control assembly simultaneously.
Have a plurality of drive motor controller in the control assembly, each drive motor controller is connected with drive motor separately, and a plurality of drive motor controller link to each other with Programmer, and Programmer gives several drive motor controller input programmings unified instruction respectively.
Driving bridge tube in the drive axle assembly adopts 45 steel or 40 chrome steels to make, and quenching hardness is between 35 °-45 °, and the drive axle tube thickness is between 150mm-400mm simultaneously, and the drive axle length of tube is between 1240mm-2200mm.
The utility model adopts doube bridge to drive, to the adjustment of programming of the operation procedure of every drive motor control system (being commonly called as controller), utilize Programmer to give several controller input programmings unified instruction respectively, and then carry out running experiment, through the repetition test adjustment, finally reach several controllers and finish sending not difference second of synchronized operation instruction.
Description of drawings
Fig. 1 is the utility model principle schematic.
Fig. 2 is a drive axle assembly structure scheme drawing in the utility model.
The specific embodiment
Be illustrated in figure 1 as the signal of the utility model principle, large-tonnage electrocar drive axle system, has drive axle assembly 1, it is characterized in that drive axle assembly 1 is more than two and is fixed on bottom of frame side by side, a drive motor 2 is housed on each drive axle assembly 1, simultaneously each drive motor 2 inserts and can adjust a plurality of drive motor 2 starting on the control assembly 3 that moment starts with rotating speed synchronously, is connected to gear conv 4 and synchrontron 5 on the control assembly 3 simultaneously.Have a plurality of drive motor controller in the control assembly 3, each drive motor controller is connected with drive motor separately, and a plurality of drive motor controller link to each other with Programmer, and Programmer gives several drive motor controller input programmings unified instruction respectively.
Fig. 2 has provided the utility model drive axle assembly structure scheme drawing, and the utility model is also noted that in force:
One, doube bridge is synchronous
Make the drive motor more than two or two accomplish not starting with rotating speed synchronously of difference second starting moment, need be to the adjustment of programming of the operation procedure of every drive motor control system (being commonly called as controller), make them will accomplish just in time time execution command each other, just must carry out according to a system directive, utilize Programmer to give several controller input programmings unified instruction respectively, and then carry out running experiment, through the repetition test adjustment, finally reach several controllers and finish sending not difference second of synchronized operation instruction.
Two, gear material quenching processing technology
On Japanese TCM Corp. 1.5 tons of motorized motions bridges technology, my company is under the situation that keeps 1.5 tons of drive axle constancies of volume, and bold tonnage that drive axle is carried is increased to 10-20 doubly, has carried out the disruptive technology reform.By selecting for use high strength steel (45 steel or 40 chromium) quenching hardness to reach technologies such as 35 °-45 ° and non-traditional machining, satisfy high pulling torque gross ton position carrying dynamics.
Three, drive bridge tube thickening lengthening technology.
Shown in Figure 2, the driving bridge tube in the drive axle assembly 1 adopts 45 steel or 40 chrome steels to make, and quenching hardness is between 35 °-45 °, and the drive axle tube thickness is between 150mm-400mm simultaneously, and the drive axle length of tube is between 1240mm-2200mm.
Adopt former Japanese TCM1.5 ton drive axle differential gear box and bridge tube can not satisfy the large-tonnage load-carrying capacity far away, for this reason, my company (definite saying so do not change its volume) under the situation that does not change differential gear box and bridge tube internal diameter, according to the vehicle load designing requirement outer wall of differential gear box and bridge tube is carried out the special processing of corresponding thickening lengthening, satisfied the load-carrying demand.Specifically according to load-carrying decision thickness and size, as following table:
Four, spindle balance technical characterstic
Under the synchronized operation of many bridges, because large-tonnage carrying vehicle bridge wheelspan is super wide, semiaxis nature overlength, steady for reaching vehicle operating, we require axle production producer that the every semiaxis of producing is carried out static and dynamic equilibrium work comprehensively subtly, could solve and eliminate the large-tonnage car like this and move jiggly hidden danger.
Large-tonnage electrocar drive axle system, the supporting use that has mainly solved different special-shaped large-tonnage storage battery transport trolleys fully with large-tonnage storage battery car drive system, stable mechanical differential system, the bridge tube that can grow, can lack, usability is greatly improved.
Drive system is one of critical component of storage battery car, and there is different difference in various storage battery cars on the structure of drive system.
With the supporting use that large-tonnage storage battery car drive system has solved different special-shaped large-tonnage storage battery transport trolleys fully, stable mechanical differential system, the bridge tube that can grow, can lack, usability is greatly improved.
Claims (3)
1. large-tonnage electrocar drive axle system, has drive axle assembly (1), it is characterized in that drive axle assembly (1) is more than two and is fixed on bottom of frame side by side, on each drive axle assembly (1) drive motor (2) is housed, simultaneously each drive motor (2) inserts and can adjust a plurality of drive motor (2) starting on the control assembly (3) that moment starts with rotating speed synchronously, is connected to gear conv (4) and synchrontron (5) on the control assembly (3) simultaneously.
2. large-tonnage electrocar drive axle according to claim 1 system, it is characterized in that having a plurality of drive motor controller in the control assembly (3), each drive motor controller is connected with drive motor separately, a plurality of drive motor controller link to each other with Programmer, and Programmer gives several drive motor controller input programmings unified instruction respectively.
3. large-tonnage electrocar drive axle according to claim 1 and 2 system is characterized in that drive axle tube thickness in the drive axle assembly (1) between 150mm-400mm, and the drive axle length of tube is between 1240mm-2200mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207077937U CN203093710U (en) | 2012-12-19 | 2012-12-19 | Drive axle system of large-tonnage electric truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207077937U CN203093710U (en) | 2012-12-19 | 2012-12-19 | Drive axle system of large-tonnage electric truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203093710U true CN203093710U (en) | 2013-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012207077937U Expired - Fee Related CN203093710U (en) | 2012-12-19 | 2012-12-19 | Drive axle system of large-tonnage electric truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203093710U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103496313A (en) * | 2012-12-19 | 2014-01-08 | 宝鸡市瑞尔玛电动车制造有限公司 | Large-tonnage electric van drive axle system |
| CN109572444A (en) * | 2017-09-29 | 2019-04-05 | 比亚迪股份有限公司 | Tandem axle Automobile drive control method, device and pure electric automobile |
-
2012
- 2012-12-19 CN CN2012207077937U patent/CN203093710U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103496313A (en) * | 2012-12-19 | 2014-01-08 | 宝鸡市瑞尔玛电动车制造有限公司 | Large-tonnage electric van drive axle system |
| CN109572444A (en) * | 2017-09-29 | 2019-04-05 | 比亚迪股份有限公司 | Tandem axle Automobile drive control method, device and pure electric automobile |
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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: 20130731 Termination date: 20151219 |
|
| EXPY | Termination of patent right or utility model |