CN204199345U - The electric drive crawler dozer that a kind of single motor twin shaft exports - Google Patents
The electric drive crawler dozer that a kind of single motor twin shaft exports Download PDFInfo
- Publication number
- CN204199345U CN204199345U CN201420615442.2U CN201420615442U CN204199345U CN 204199345 U CN204199345 U CN 204199345U CN 201420615442 U CN201420615442 U CN 201420615442U CN 204199345 U CN204199345 U CN 204199345U
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- CN
- China
- Prior art keywords
- electric drive
- alternating current
- current generator
- shaft
- transfer case
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 27
- 230000008878 coupling Effects 0.000 claims abstract description 16
- 238000010168 coupling process Methods 0.000 claims abstract description 16
- 238000005859 coupling reaction Methods 0.000 claims abstract description 16
- 238000009434 installation Methods 0.000 claims abstract description 10
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 abstract description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000009194 climbing Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- 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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
Landscapes
- Operation Control Of Excavators (AREA)
- Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model relates to engineering machinery field, particularly relate to the electric drive crawler dozer that a kind of single motor twin shaft exports, the electric drive crawler dozer that a kind of single motor twin shaft exports, by main car frame, engine system, transfer case, yielding coupling, alternating current generator terminal pad, alternating current generator, electric drive controller, dual-shaft AC output drive motor, rear axle housing body, steering cluth and brake, final transmission system, hydraulic system, electric drive cooling system, endless track installation, driver's cabin, control system and equipment composition, this bulldozer utilizes power drive system to instead of mechanically operated clutch, speed changer, fluid torque-converter, star coupling, the parts such as power transmission shaft and rear axle differential, thus a little repair.In addition, electric drive hauling ability is good, can realize stepless speed regulation, operate steadily, and traffic safety is reliable, and economic effect is also relatively good.
Description
Technical field
The utility model relates to engineering machinery field, particularly relates to the electric drive crawler dozer that a kind of single motor twin shaft exports.
Background technology
At present, both at home and abroad in powerful crawler dozer, most employing Hydro-mechanical transmission.Hydro-mechanical transmission bulldozer comprises fluid torque-converter, shaft coupling assembly, planetary gear type power-shift transmission, central transmission system, steering cluth and steering brake, whole transmission and running gear etc., but, due to Hydro-mechanical transmission bulldozer operationally, transmission efficiency, noise are large, oil consumption is high, pilot control is frequent and labour intensity is large in the course of work, therefore, the requirement of socio-economic development can not be met.
Summary of the invention
In order to solve the problem, the electric drive crawler dozer that the utility model provides a kind of single motor twin shaft to export, this bulldozer utilizes power drive system to instead of the parts such as mechanically operated clutch, speed changer, fluid torque-converter, star coupling, power transmission shaft and rear axle differential, thus a little repair.In addition, electric drive hauling ability is good, and climbing capacity is strong, and can realize stepless speed regulation, operate steadily, motor operates under can being stabilized in efficient routine, simple to operate, and traffic safety is reliable, and economic effect is also relatively good.
The technical solution of the utility model is as follows: the electric drive crawler dozer that a kind of single motor twin shaft exports, by main car frame, engine system, transfer case, yielding coupling, alternating current generator terminal pad, alternating current generator, electric drive controller, dual-shaft AC output drive motor, rear axle housing body, steering cluth and brake, final transmission system, hydraulic system, electric drive cooling system, endless track installation, driver's cabin, control system and equipment composition, engine system and transfer case are fixedly installed on main car frame, alternating current generator and transfer case are fixedly linked by alternating current generator terminal pad, engine system is connected with one end of transfer case and power transmission is entered transfer case, the other end of transfer case is connected with yielding coupling, the other end of yielding coupling is connected with alternating current generator, electric drive controller to be connected with alternating current generator by wire and to control the electric current that alternating current generator sends, alternating current generator is connected with dual-shaft AC output drive motor by wire, rear axle housing body is fixedly installed on main car frame, dual-shaft AC output drive motor is fixedly installed in rear axle housing body, the left and right two axial ends of dual-shaft AC output drive motor is connected with brake with steering cluth respectively, left, right turn Clutch and brake connects with final transmission system respectively, final transmission system is connected with endless track installation, driver's cabin is fixedly installed on main car frame, control system is arranged in driver's cabin, main car frame two sides are provided with hydraulic system, hydraulic system is connected with equipment, and electric drive cooling system is arranged on main car frame.
Operating principle of the present utility model is: engine system drives alternating current generator to send alternating current by transfer case, then by electric drive controller, alternating current is reverse into direct current, after another mistake becomes alternating current, electric current is flowed to dual-shaft AC output drive motor and effective its rotating speed of control, torque and direction of rotation, dual-shaft AC output drive motor is rotated by final transmission system drive sprocket, and drive the crawler belt of endless track installation to rotate, realize advance and the retrogressing of electric drive bulldozer, turn to and brake.
beneficial effect
Utilize the technical program can reach following good effect:
(1), electric drive crawler dozer drive system structure is simple, motor is by transfer case and alternating current generator elastic coupling, and drive alternator generation, the alternating current sent is transformed into direct current through silicon controlled rectifier, filter unit, again through inverter, become the alternating current of voltage magnitude, frequency-adjustable, then drive dual-shaft AC output motor, thus make dual-shaft AC output motor realize frequency control under interchange drives; This electric drive system amount of parts reduces, and transmission efficiency is high, saves fuel oil, significantly improves bulldozer operation efficiency.
(2), twin shaft exports that to exchange drive motor volume little, and quality is light, and cost is low, long working life, and maintenance load is little, and power density is large, and driving moment is large.
(3), the electric drive bulldozer hauling ability that exports of single motor twin shaft is good, and climbing capacity is strong, advances and falls back and can realize stepless speed regulation, simple to operate, operates steadily.(4) motor operates under can being stabilized in efficient routine, and impact shock is little, and noise is low, safe and reliable, and economic effect is also relatively good, extends the application life of motor.
Accompanying drawing explanation
Fig. 1 is main TV structure schematic diagram of the present utility model.
Fig. 2 is plan structure schematic diagram of the present utility model.
Fig. 3 is power transmission procedure chart of the present utility model.
Number in the figure is: 1-main car frame, 2-engine system, 3-transfer case, 4-yielding coupling, 5-alternating current generator terminal pad, 6-alternating current generator, 7-electric drive controller, 8-dual-shaft AC output drive motor, 9-rear axle housing body, 10-steering cluth and brake, 11-final transmission system, 12-hydraulic system, 13-electric drive cooling system, 14-endless track installation, 15-driver's cabin, 16-control system, 17-equipment.
Detailed description of the invention
With reference to the accompanying drawings the utility model is further described below: as Fig. 1, Fig. 2, shown in Fig. 3, the electric drive crawler dozer that a kind of single motor twin shaft exports, by main car frame 1, engine system 2, transfer case 3, yielding coupling 4, alternating current generator terminal pad 5, alternating current generator 6, electric drive controller 7, dual-shaft AC exports drive motors 8, rear axle housing body 9, steering cluth and brake 10, final transmission system 11, hydraulic system 12, electric drive cooling system 13, endless track installation 14, driver's cabin 15, control system 16 and equipment 17 form, engine system 2 and transfer case 3 are fixedly installed on main car frame 1, alternating current generator 6 and transfer case 3 are fixedly linked by alternating current generator terminal pad 5, engine system 2 is connected with one end of transfer case 3 and power transmission is entered transfer case 3, the other end of transfer case 3 is connected with yielding coupling 4, the other end of yielding coupling 4 is connected with alternating current generator 6, electric drive controller 7 to be connected with alternating current generator 6 by wire and to control the electric current that alternating current generator 6 sends, alternating current generator 6 is connected with dual-shaft AC output drive motor 8 by wire, rear axle housing body 9 is fixedly installed on main car frame 1, dual-shaft AC output drive motor 8 is fixedly installed in rear axle housing body 9, the left and right two axial ends of dual-shaft AC output drive motor 8 is connected with brake 10 with steering cluth respectively, left, right turn Clutch and brake 10 connects with final transmission system 11 respectively, final transmission system 11 is connected with endless track installation 14, driver's cabin 15 is fixedly installed on main car frame 1, control system 16 is arranged in driver's cabin 15, main car frame 1 two sides are provided with hydraulic system 12, hydraulic system 12 equipment 17 is connected, and electric drive cooling system 13 is arranged on main car frame 1.
Electric drive Bulldozer is primarily of compositions such as alternating current generator 6, dual-shaft AC output drive motor 8, electric drive controller 7 and electric drive cooling systems 13.Electric drive system will meet " constant power control " requirement, namely under traction working condition, ensure that the power output of generator and the load capacity of diesel engine match.
During work, the engine system 2 of electric drive bulldozer is by transfer case 3 and alternating current generator 6 elastic coupling, and be with motor alternator 6 to generate electricity, the alternating current that alternating current generator 6 sends under the control of electric drive controller 7 through silicon controlled rectifier, filter unit is transformed into direct current, again through inverter, become voltage magnitude, the alternating current of frequency-adjustable, then dual-shaft AC output motor 8 is passed to, thus make dual-shaft AC output motor 8 realize frequency control under interchange drives, finally, power is passed to drive sprocket through final transmission system 11 by dual-shaft AC output motor 8, drive sprocket drives the crawler belt of endless track installation 14 to rotate, control through control system 16, realize the advance of bulldozer, retreat, speed change and left and right turn, the various working such as braking.During as left steering, be separated left side steering cluth, lower or cut off power, assisting and use brake, left side can be realized and turn to; Otherwise, can right hand steering be realized.
Claims (1)
1. an electric drive crawler dozer for single motor twin shaft output, by main car frame, engine system, transfer case, yielding coupling, alternating current generator terminal pad, alternating current generator, electric drive controller, dual-shaft AC output drive motor, rear axle housing body, steering cluth and brake, final transmission system, hydraulic system, electric drive cooling system, endless track installation, driver's cabin, control system and equipment composition, it is characterized in that: engine system and transfer case are fixedly installed on main car frame, alternating current generator and transfer case are fixedly linked by alternating current generator terminal pad, engine system is connected with one end of transfer case and power transmission is entered transfer case, the other end of transfer case is connected with yielding coupling, the other end of yielding coupling is connected with alternating current generator, electric drive controller to be connected with alternating current generator by wire and to control the electric current that alternating current generator sends, alternating current generator is connected with dual-shaft AC output drive motor by wire, rear axle housing body is fixedly installed on main car frame, dual-shaft AC output drive motor is fixedly installed in rear axle housing body, the left and right two axial ends of dual-shaft AC output drive motor is connected with brake with steering cluth respectively, left, right turn Clutch and brake connects with final transmission system respectively, final transmission system is connected with endless track installation, driver's cabin is fixedly installed on main car frame, control system is arranged in driver's cabin, main car frame two sides are provided with hydraulic system, hydraulic system is connected with equipment, and electric drive cooling system is arranged on main car frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420615442.2U CN204199345U (en) | 2014-10-23 | 2014-10-23 | The electric drive crawler dozer that a kind of single motor twin shaft exports |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420615442.2U CN204199345U (en) | 2014-10-23 | 2014-10-23 | The electric drive crawler dozer that a kind of single motor twin shaft exports |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204199345U true CN204199345U (en) | 2015-03-11 |
Family
ID=52657320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420615442.2U Withdrawn - After Issue CN204199345U (en) | 2014-10-23 | 2014-10-23 | The electric drive crawler dozer that a kind of single motor twin shaft exports |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204199345U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314124A (en) * | 2014-10-23 | 2015-01-28 | 国机重工（洛阳）有限公司 | Single-motor double-shaft-output electrically-driven crawler-type bulldozer |
| CN104727364A (en) * | 2015-03-25 | 2015-06-24 | 国机重工（洛阳）有限公司 | Bulldozer speed self-fine-adjusting device driven by permanent magnetic synchronous AC motor |
-
2014
- 2014-10-23 CN CN201420615442.2U patent/CN204199345U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314124A (en) * | 2014-10-23 | 2015-01-28 | 国机重工（洛阳）有限公司 | Single-motor double-shaft-output electrically-driven crawler-type bulldozer |
| CN104727364A (en) * | 2015-03-25 | 2015-06-24 | 国机重工（洛阳）有限公司 | Bulldozer speed self-fine-adjusting device driven by permanent magnetic synchronous AC motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150311 Effective date of abandoning: 20160518 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |