CN203681265U - Driving system for electric forklift - Google Patents
Driving system for electric forklift Download PDFInfo
- Publication number
- CN203681265U CN203681265U CN201320876465.4U CN201320876465U CN203681265U CN 203681265 U CN203681265 U CN 203681265U CN 201320876465 U CN201320876465 U CN 201320876465U CN 203681265 U CN203681265 U CN 203681265U
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- Prior art keywords
- gear
- driving
- cylinder
- shaft
- oil
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- 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.)
- Expired - Fee Related
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- Forklifts And Lifting Vehicles (AREA)
Abstract
The utility model relates to a driving system for an electric forklift. The driving system for the electric forklift comprises a multifunctional driving box, comprising a driving motor, a reduction gearbox boy, a clutch assembly and a gear pump; a pair of small bevel gear and large bevel gear which are meshed are arranged in the reduction gearbox body; the small bevel gear is fixedly arranged at one end of a small gear shaft while the other end of the small gear shaft is fixedly connected with a rotor shaft of the driving motor; the large bevel gear is fixed on a large gear shaft of which one end is connected with the driving end of the gear pump; the other end of the large gear shaft is fixedly connected with a driving wheel of the clutch assembly; a driven wheel of the clutch assembly is arranged on a driven wheel shaft of which the output end is provided with a clutch belt wheel; the clutch belt wheel and the driving wheel of a front axle transmission box are in transmission connection to drive the forklift to walk; the gear pump provides power for a hydraulic system to realize steering as well as lifting, bending forward backward of a portal. The driving system for the electric forklift adopts one motor and one gear pump, and is simple in structure, small in occupation space and low in fault rate.
Description
Technical field
The utility model relates to a kind of electri forklift, particularly a kind of drive system of electri forklift.
Background technology
Traditional electri forklift is provided with drive motor, electric motor clutch belt pulley is installed on the output shaft of drive motor, electric motor clutch belt pulley is in transmission connection by the input shaft of belt and deceleration box, the output shaft of deceleration box is by the drive end of belt drive clutch assembly, the driven end of clutch assembly is by the propons change speed gear box of belt drive fork truck, the output shaft of deceleration box is also connected with the drive end of gear type pump, gear type pump provides high pressure oil to full liquid deflector, the action of full liquid deflector control rear-axle steering cylinder, and provide power by multiway valve to door frame lift cylinder and the door frame cylinder that leans forward.
The weak point of traditional electri forklift is: the transmission of driver train is too complicated, and belt-driving progression is many, takes up room large, and operational failure rate is high, and motion cost and consumption of current are large.
Utility model content
The purpose of this utility model is, overcomes problems of the prior art, and a kind of drive system of electri forklift is provided, simple in structure, take up room little, and failure rate is low.
For solving above technical matters, the drive system of a kind of electri forklift that the utility model provides, comprise multi-functional driving box, drive the propons change speed gear box of front-wheel running, drive the steering cylinder of rear-axle steering, drive the lift cylinder of door frame lifting and the cylinder that leans forward of driving door frame reclining, described multi-functional driving box comprises drive motor, deceleration box, clutch assembly and gear type pump, in described deceleration box, be provided with a pair of intermeshing bevel pinion and large bevel gear, described bevel pinion is fixed on one end of pinion shaft, the other end of described pinion shaft is fixedly connected with the rotor shaft of described drive motor, described large bevel gear is fixed in Large Gear Shaft During, one end of described Large Gear Shaft During is connected with the drive end of described gear type pump, the other end of described Large Gear Shaft During is fixedly connected with the driving wheel of described clutch assembly, the flower wheel of described clutch assembly is arranged on follower shaft, the mouth of described follower shaft is provided with clutch pulley, and described clutch pulley is connected by belt-driving with the drive wheel of described propons change speed gear box.
With respect to prior art, the utility model has been obtained following beneficial effect: only use a motor and a gear type pump, complete all drivings of fork truck; After drive motor starts, Drive pinion axle and bevel pinion rotate, bevel pinion drives large bevel gear rotate and slowed down, large bevel gear drives Large Gear Shaft During to rotate, Large Gear Shaft During on the one hand driving gear pump fortune steering hydraulic system provides power, the driving wheel of driving clutch assembly rotates on the other hand, and when clutch assembly is during in bonding state, the flower wheel of clutch assembly drives follower shaft and clutch pulley to rotate; This multi-functional driving box can provide power to the clutch pulley of hydraulic efficiency pressure system and driving propons change speed gear box simultaneously, has simplified drive mechanism, takes up room little, has reduced fault rate.
As preferred version of the present utility model, described drive motor, clutch assembly and gear type pump are fixedly mounted on respectively on the shell of described deceleration box.Make multi-functional driving box more integrated, structure is compacter.
As preferred version of the present utility model, the oil suction of described gear type pump is connected with fuel tank, the pressure oil outlet of described gear type pump is connected with the oil inlet of full liquid deflector, the oil outlet of described full liquid deflector is connected with multiway valve by oil pipe, described multiway valve is to described lift cylinder and the oil supply cylinder that leans forward, and described fuel tank is flowed back in the oil return of described lift cylinder and the cylinder that leans forward; Described full liquid deflector is also provided with steering cylinder oil-feed port and steering cylinder return opening, and described steering cylinder oil-feed port is connected with the import and export of described steering cylinder by steering oil pipe respectively with steering cylinder return opening.After drive motor and gear type pump operation, steering wheel rotation and manipulation operations handle, can realize turning to of trailing wheel by controlling steering cylinder, by the lifting of lift cylinder control door frame, and leaning forward or swinging back by the cylinder control door frame that leans forward.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, accompanying drawing only provides reference and explanation use, non-in order to limit the utility model.
Fig. 1 is the schematic diagram of the drive system of the utility model electri forklift.
Fig. 2 is the front view of multi-functional driving box.
Fig. 3 is the birds-eye view of Fig. 2.
Fig. 4 is the left view of Fig. 2.
Fig. 5 is the block diagram of the drive system of the utility model electri forklift.
In figure: 1. drive motor; 2. deceleration box; 2a. bevel pinion; 2b. pinion shaft; 2c. large bevel gear; 2d. Large Gear Shaft During; 3. gear type pump; 4. clutch assembly; 4a. shift fork; 5. clutch pulley; 6. propons change speed gear box; 7. front-wheel; 8. trailing wheel; 9. steering cylinder; 10. full liquid deflector; 11. multiway valve; 12. lift cylinder; 13. cylinders that lean forward; 14. fuel tanks.
Detailed description of the invention
As shown in Figures 1 to 5, propons change speed gear box 6, steering cylinder 9, the lift cylinder 12 that drives door frame lifting that driving trailing wheel 8 turns to and the cylinder 13 that leans forward that drives door frame reclining that the drive system of electri forklift of the present utility model comprises multi-functional driving box, drives front-wheel 7 to turn round, multi-functional driving box comprises drive motor 1, deceleration box 2, clutch assembly 4 and gear type pump 3, and drive motor 1, clutch assembly 4 and gear type pump 3 are fixedly mounted on respectively on the shell of deceleration box 2.In deceleration box 2, be provided with a pair of intermeshing bevel pinion 2a and large bevel gear 2c, bevel pinion 2a is fixed on one end of pinion shaft 2b, and the other end of pinion shaft 2b is fixedly connected with the rotor shaft of drive motor; Large bevel gear 2c is fixed on Large Gear Shaft During 2d, one end of Large Gear Shaft During 2d is connected with the drive end of gear type pump 3, the other end of Large Gear Shaft During 2d is fixedly connected with the driving wheel of clutch assembly 4, the flower wheel of clutch assembly 4 is arranged on follower shaft, the mouth of follower shaft is provided with clutch pulley 5, clutch pulley 5 is connected by belt-driving with the drive wheel of propons change speed gear box 6, clutch assembly 4 is provided with shift fork 4a, stir shift fork 4a can control clutch flower wheel with the combination of driving wheel or separate.
The oil suction of gear type pump 3 is connected with fuel tank 14, the pressure oil outlet of gear type pump 3 is connected with the oil inlet of full liquid deflector 10, the oil outlet of full liquid deflector 10 is connected with multiway valve 11 by oil pipe, multiway valve 11 is to lift cylinder 12 and cylinder 13 fuel feeding that lean forward, and fuel tank 14 is flowed back in the oil return of lift cylinder 12 and the cylinder 13 that leans forward; Full liquid deflector 10 is also provided with steering cylinder oil-feed port and steering cylinder return opening, and steering cylinder oil-feed port is connected with the import and export of steering cylinder 9 by steering oil pipe respectively with steering cylinder return opening.
In work, after drive motor 1 starts, Drive pinion axle 2b and bevel pinion 2a rotate, bevel pinion 2a drives large bevel gear 2c rotate and slowed down, large bevel gear 2c drives Large Gear Shaft During 2d to rotate, Large Gear Shaft During 2d one side driving gear pump 3 is transported steering hydraulic system provides power, the driving wheel of driving clutch assembly 4 rotates on the other hand, when clutch assembly 4 is during in bonding state, the flower wheel of clutch assembly 4 drives follower shaft and clutch pulley 5 to rotate, and clutch pulley 5 is by the propons change speed gear box of belt drive fork truck.After drive motor 1 and gear type pump 3 operations, steering wheel rotation and manipulation operations handle, can realize turning to of trailing wheel 8 by controlling steering cylinder 9, controls the lifting of door frame by lift cylinder 12, controls leaning forward or swinging back of door frame by the cylinder 13 that leans forward.
The foregoing is only the better possible embodiments of the utility model, non-ly therefore limit to scope of patent protection of the present utility model.In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of the utility model requirement.The utility model can pass through or adopt existing techniques in realizing without the technical characterictic of describing, and does not repeat them here.
Claims (3)
1. the drive system of an electri forklift, the propons change speed gear box, the steering cylinder that drives rear-axle steering, the lift cylinder of driving door frame lifting and the cylinder that leans forward of driving door frame reclining that comprise multi-functional driving box, drive front-wheel to turn round, described multi-functional driving box comprises drive motor, deceleration box, clutch assembly and gear type pump, it is characterized in that: in described deceleration box, be provided with a pair of intermeshing bevel pinion and large bevel gear, described bevel pinion is fixed on one end of pinion shaft, and the other end of described pinion shaft is fixedly connected with the rotor shaft of described drive motor; Described large bevel gear is fixed in Large Gear Shaft During, one end of described Large Gear Shaft During is connected with the drive end of described gear type pump, the other end of described Large Gear Shaft During is fixedly connected with the driving wheel of described clutch assembly, the flower wheel of described clutch assembly is arranged on follower shaft, the mouth of described follower shaft is provided with clutch pulley, and described clutch pulley is connected by belt-driving with the drive wheel of described propons change speed gear box.
2. the drive system of electri forklift according to claim 1, is characterized in that: described drive motor, clutch assembly and gear type pump are fixedly mounted on respectively on the shell of described deceleration box.
3. the drive system of electri forklift according to claim 1 and 2, it is characterized in that: the oil suction of described gear type pump is connected with fuel tank, the pressure oil outlet of described gear type pump is connected with the oil inlet of full liquid deflector, the oil outlet of described full liquid deflector is connected with multiway valve by oil pipe, described multiway valve is to described lift cylinder and the oil supply cylinder that leans forward, and described fuel tank is flowed back in the oil return of described lift cylinder and the cylinder that leans forward; Described full liquid deflector is also provided with steering cylinder oil-feed port and steering cylinder return opening, and described steering cylinder oil-feed port is connected with the import and export of described steering cylinder by steering oil pipe respectively with steering cylinder return opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320876465.4U CN203681265U (en) | 2013-12-30 | 2013-12-30 | Driving system for electric forklift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320876465.4U CN203681265U (en) | 2013-12-30 | 2013-12-30 | Driving system for electric forklift |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203681265U true CN203681265U (en) | 2014-07-02 |
Family
ID=51003208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320876465.4U Expired - Fee Related CN203681265U (en) | 2013-12-30 | 2013-12-30 | Driving system for electric forklift |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203681265U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106515419A (en) * | 2016-12-21 | 2017-03-22 | 景德镇陶瓷大学 | Oil-electric hybrid forklift |
| CN106629487A (en) * | 2016-12-21 | 2017-05-10 | 景德镇陶瓷大学 | Forklift |
| CN108657151A (en) * | 2017-03-31 | 2018-10-16 | 比亚迪股份有限公司 | AGV electri forklifts |
-
2013
- 2013-12-30 CN CN201320876465.4U patent/CN203681265U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106515419A (en) * | 2016-12-21 | 2017-03-22 | 景德镇陶瓷大学 | Oil-electric hybrid forklift |
| CN106629487A (en) * | 2016-12-21 | 2017-05-10 | 景德镇陶瓷大学 | Forklift |
| CN108657151A (en) * | 2017-03-31 | 2018-10-16 | 比亚迪股份有限公司 | AGV electri forklifts |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20161230 |