CN2292785Y - Two-motor drive for motor-driven counterbalanced lift truck - Google Patents
Two-motor drive for motor-driven counterbalanced lift truck Download PDFInfo
- Publication number
- CN2292785Y CN2292785Y CN 96245286 CN96245286U CN2292785Y CN 2292785 Y CN2292785 Y CN 2292785Y CN 96245286 CN96245286 CN 96245286 CN 96245286 U CN96245286 U CN 96245286U CN 2292785 Y CN2292785 Y CN 2292785Y
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- machine
- utility
- model
- driving device
- dual
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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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Abstract
The utility model relates to a two-motor driving device for electrical counter-balanced lift truck, which comprises direct current motors (12), a controlled silicon electrical controller (14) and an accumulator group (13). The utility model is characterized in that two direct current motors (12) which are combined with a right and a left driving wheel assemblies through a bevel gear group (11) and a reduction box (10) is arranged in the drive device. The utility model has the advantages of simple structure, low cost, high transmission efficiency, reliable performance property, low noise, simple operation and convenient operation.
Description
The utility model relates to a kind of motor vehicle driver unit, relates to a kind of Dual-motors Driving device that is used for the heavy formula fork truck of electrodynamic balance specifically.
At present, widely used in the fork truck industry have engine balance forklift and heavy formula fork truck two major types of electrodynamic balance.Engine balance forklift is used for the shovel fortune than the large-tonnage goods more, and promptly general its specified liter weight is greater than 3 tons; The heavy formula fork truck of electrodynamic balance then is usually used in the shovel fortune of little tonnage goods, and promptly general its specified liter weight is smaller or equal to 3 tons.Electri forklift is compared with diesel fork lift truck has low noise, pollution-free, low power consumption and other advantages.But the something in common between the two is also a lot, adopts the drive axle of planetary differential as its actuating device more.
Accompanying drawing 1 is the schematic diagram of the driving running gear of the heavy formula fork truck of prior art electrodynamic balance.As can be seen from the figure it is by drive wheel assembly 1, jack shaft 2, and differential assembly 3, drop-gear box 4, dc traction motor 5, silicon control electrical controller 6 and battery pack 7 are formed.This prior art mainly exists following weak point: a, drive axle complex structure, weight is big, cost is high; Because the load that bears of drive axle is bigger, so the wall thickness of its axle housing is all bigger, cut that module of gear in its planetary differential is big, transverse tooth thickness is wide again, this just causes the drive axle structure complicated, and driving efficiency is on the low side, and noise is big, maintenance difficult; B, do not possess the automatic vibration reduction operation function, under the operating mode of road injustice, be prone to the big strike note of complete machine during operation, can cause drive axle internal gear broken teeth when serious owing to drive mobile devices.
The purpose of this utility model provides a kind of simple in structure with regard to being to overcome above-mentioned weak point of the prior art, the driving efficiency height, in-use performance is reliable, and it is low to have a noise, handles the Dual-motors Driving device that is used for the heavy formula fork truck of electrodynamic balance simply and easily.
The purpose of this utility model can adopt following measure to realize:
Dual-motors Driving device of the present utility model comprises by DC machine, and silicon control electric controller, and battery pack are provided with two DC machine in the described actuating device, two DC machine respectively by drop-gear box with about two drive wheel assemblies combine.
More specifically say two drive wheel assemblies about two DC machine described in the utility model are undertaken directly moment of torsion being passed to by power take-off shaft after one-level is slowed down by bevel gear set respectively again after drop-gear box carries out secondary, three grades of decelerations.
The change of the rotating speed of two DC machine is controlled respectively it by the silicon control electric controller and is realized.
The utility model remove have simple in structure, with low cost, the driving efficiency height, outside the in-use performance failure-free advantage, it is low also to have a noise, handles advantage simply and easily.
The drawing of accompanying drawing is described as follows:
Fig. 1 is the travel driving unit schematic diagram of prior art.
Fig. 2 is a travel driving unit schematic diagram of the present utility model.
The utility model is done with detailed description below with reference to embodiment (accompanying drawing):
As shown in Figure 2, be provided with two DC machine 12 in the Dual-motors Driving device of the present utility model, and silicon control electric controller 14 and battery pack 13, described two DC machine 12 are undertaken after one-level slows down by 11 groups of bevel-gear setts respectively, two drive wheel assemblies 8 about directly moment of torsion being passed to by power take-off shaft 9 after drop-gear box 10 carries out secondary, three grades of decelerations again; The change of motor 12 speed is controlled respectively by silicon control electric controller 14 and is realized in the device.
The principle of work of the utility model actuating device is as follows:
The velocity variations of this device is an infinite speed variation, be that dc traction motor is under the effect of direct supply, by control silicon electric controller the rotating speed of dc traction motor is changed by 0 to maximum range, after tertiary gear slows down, make the speed that drives in the assembly acquisition respective change scope again.
Claims (3)
1, a kind of Dual-motors Driving device that is used for the heavy formula fork truck of electrodynamic balance, it comprises by DC machine (12), silicon control electric controller (14), and battery pack (13), it is characterized in that: be provided with two DC machine (12) in the described actuating device, two DC machine (12) respectively by speed reduction gearing (10) with about two drive wheel assemblies (8) combine.
2, the Dual-motors Driving device that is used for the heavy formula fork truck of electrodynamic balance according to claim 1 is characterized in that: two drive wheel assemblies about two DC machine (12) are undertaken after the one-level deceleration after drop-gear box (10) carries out secondary, three grades of decelerations directly moment of torsion being passed to by power take-off shaft (9) by bevel gear set (11) respectively again.
3, the Dual-motors Driving device that is used for the heavy formula fork truck of electrodynamic balance according to claim 1, it is characterized in that: the change of the rotating speed of two DC machine (12) is controlled respectively it by silicon control electric controller (14) and is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96245286 CN2292785Y (en) | 1996-11-22 | 1996-11-22 | Two-motor drive for motor-driven counterbalanced lift truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96245286 CN2292785Y (en) | 1996-11-22 | 1996-11-22 | Two-motor drive for motor-driven counterbalanced lift truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2292785Y true CN2292785Y (en) | 1998-09-30 |
Family
ID=33918407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96245286 Expired - Fee Related CN2292785Y (en) | 1996-11-22 | 1996-11-22 | Two-motor drive for motor-driven counterbalanced lift truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2292785Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100370687C (en) * | 2006-03-31 | 2008-02-20 | 西安交通大学 | Electric forklift running driving control system having energy recovery |
| CN101875306A (en) * | 2010-04-02 | 2010-11-03 | 唐红兵 | Power transmission device and electric vehicle with same |
| CN102555797A (en) * | 2012-01-06 | 2012-07-11 | 浙江中力机械有限公司 | Dual-drive four-fulcrum forklift |
| CN105752889A (en) * | 2015-03-26 | 2016-07-13 | 合肥井松自动化科技有限公司 | Double-motor double-lifting fork |
| CN109160455A (en) * | 2018-11-12 | 2019-01-08 | 杭叉集团股份有限公司 | Large-tonnage electric forklift and its double-motor driving device |
-
1996
- 1996-11-22 CN CN 96245286 patent/CN2292785Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100370687C (en) * | 2006-03-31 | 2008-02-20 | 西安交通大学 | Electric forklift running driving control system having energy recovery |
| CN101875306A (en) * | 2010-04-02 | 2010-11-03 | 唐红兵 | Power transmission device and electric vehicle with same |
| CN102555797A (en) * | 2012-01-06 | 2012-07-11 | 浙江中力机械有限公司 | Dual-drive four-fulcrum forklift |
| CN105752889A (en) * | 2015-03-26 | 2016-07-13 | 合肥井松自动化科技有限公司 | Double-motor double-lifting fork |
| CN109160455A (en) * | 2018-11-12 | 2019-01-08 | 杭叉集团股份有限公司 | Large-tonnage electric forklift and its double-motor driving device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |