CN201818414U - Reduction starter of sealed planetary gear - Google Patents
Reduction starter of sealed planetary gear Download PDFInfo
- Publication number
- CN201818414U CN201818414U CN2010205588036U CN201020558803U CN201818414U CN 201818414 U CN201818414 U CN 201818414U CN 2010205588036 U CN2010205588036 U CN 2010205588036U CN 201020558803 U CN201020558803 U CN 201020558803U CN 201818414 U CN201818414 U CN 201818414U
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- CN
- China
- Prior art keywords
- rotor assembly
- assembly
- rotating shaft
- planet wheel
- transmission shaft
- 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.)
- Expired - Fee Related
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model discloses a reduction starter of a sealed planetary gear, which pertains to the technical field of starters. The key technical points are as follows: the reduction starter comprises a shell, and the shell is internally provided with an electromagnetic switch, a shifting fork, a unidirectional clutch, a rotor assembly, a sun gear, a planet gear assembly and a driving shaft, wherein one end of the shifting fork is connected with the electromagnetic switch, and the other end is connected with the unidirectional clutch; a rotating shaft at the front end of the rotor assembly is connected with the sun gear; the sun gear is meshed with the planet gear assembly; the planet gear assembly is connected with the unidirectional clutch by the driving shaft; a ball bearing is arranged at the part wherein a rotating shaft at the rear end of the rotor assembly is contacted with the shell; a needle bearing is arranged at the part wherein the rotating shaft at the front end of the rotor assembly is contacted with the driving shaft; and a steel ball used for eliminating gap is arranged between the front end surface of the rotating shaft of the rotor assembly and the rear end surface of the driving shaft. As for the reduction starter of the sealed planetary gear, a rotor and the driving shaft can be fixed conveniently, and the reduction starter is not worn easily, is long in service life, and is used for supplying motive power for an engine.
Description
Technical field
The utility model relates to a kind of starter motor, more particularly, relates in particular to a kind of sealing planetary gear speed-reduction starter motor.
Background technique
Starter motor offers motor by static motive force to rotation, and the starting of diesel engine is to need certain power to start, and is particularly more outstanding in the winter of cold.At present, use that wider having directly driven, the eccentric deceleration and the planetary gear speed-reduction starter motor, characteristics such as wherein the planetary gear speed-reduction starter motor has compact structure, mechanical efficiency height, volume is little and materials consumption is few are progressively eliminated and are directly driven and eccentric retarding starter.The planet wheel of existing planetary gear speed-reduction starter motor is interior, fixing, the fixing of transmission shaft of rotor are all adopted the copper-base powder metallurgy axle sleeve, the rotating speed of rotor is up to more than 18000 rev/mins, make the axle sleeve serious wear of copper-base powder metallurgy, the power consumpiton of starter motor self strengthens, thereby has shortened the working life of starter motor.
The model utility content
The purpose of this utility model is at above-mentioned the deficiencies in the prior art, and a kind of rotor and transmission shaft convenient fixing, not easy to wear are provided, the sealing planetary gear speed-reduction starter motor of long service life.
The technical solution of the utility model is achieved in that a kind of sealing planetary gear speed-reduction starter motor, comprise casing, in casing, be provided with magnetic switch, shift fork, overrunning clutch, rotor assembly, sun gear, planet wheel assembly and transmission shaft, shift fork one end is connected with magnetic switch, and the shift fork the other end is connected with overrunning clutch; The rotating shaft of rotor assembly front end connects sun gear, sun gear and planetary pinion assembly are connected with a joggle, the planetary pinion assembly is connected with overrunning clutch by transmission shaft, the rotating shaft of wherein said rotor assembly rear end and the contacting part of housing are provided with ball bearing, be provided with needle bearing in the rotating shaft of rotor assembly front end and the contacting part of transmission shaft, between the ear end face of the rotating shaft front-end face of rotor assembly and transmission shaft, be provided with the steel ball of eliminating the gap.
In the above-mentioned sealing planetary gear speed-reduction starter motor, be provided with four planet wheels in the described planet wheel assembly, be provided with planet wheel shaft in the planet wheel, between planet wheel and planet wheel shaft, be provided with needle bearing.
In the above-mentioned sealing planetary gear speed-reduction starter motor, the contacting part of described transmission shaft rear portion and casing is provided with needle bearing.
After the utility model adopts said structure, make the needle roller axle sleeve into by the copper-base powder metallurgy axle sleeve that original rotor assembly and transmission shaft two ends are used to locate, the situation of original axle sleeve wearing and tearing is resolved, the power consumpiton of starter motor self reduces greatly, further, the gap is set between the rotating shaft front-end face of rotor assembly and the ear end face of transmission shaft eliminates steel ball, both eliminated the gap, controlled the axial motion of rotor assembly again, also play simultaneously axially locating effect to transmission shaft and rotating shaft, further reduce the component wear and the power loss of starter motor, the working life of having improved starter motor.
Description of drawings
The utility model is described in further detail below in conjunction with the embodiment in the accompanying drawing, but do not constitute any restriction of the present utility model.
Fig. 1 is a structural representation of the present utility model.
Among the figure: steel ball 10 is eliminated in casing 1, magnetic switch 2, shift fork 3, overrunning clutch 4, rotor assembly 5, ball bearing 5a, sun gear 6, planet wheel assembly 7, planet wheel 7a, planet wheel shaft 7b, transmission shaft 8, needle bearing 9, gap.
Embodiment
Consult shown in Figure 1, a kind of sealing planetary gear speed-reduction starter motor of the present utility model, comprise casing 1, in casing 1, be provided with magnetic switch 2, shift fork 3, overrunning clutch 4, rotor assembly 5, sun gear 6, planet wheel assembly 7 and transmission shaft 8, shift fork 3 one ends are connected with magnetic switch 2, and shift fork 3 the other ends are connected with overrunning clutch 4; The rotating shaft of rotor assembly 5 front ends connects sun gear 6, sun gear 6 is connected with a joggle with planetary pinion assembly 7, planetary pinion assembly 7 is connected with overrunning clutch 4 by transmission shaft 8, be provided with ball bearing 5a in the rotating shaft of rotor assembly 5 rear ends and the contacting part of casing 1, be equipped with needle bearing 9 at the rotating shaft of rotor assembly 5 front ends and the contacting part of transmission shaft 8 and the contacting part of transmission shaft 8 rear portions and casing 1, needle bearing 9 can reduce the frictional heating of the internal loss and the axle of power of motor, improved the rotating shaft working life of rotor assembly 5, between the ear end face of the rotating shaft front-end face of rotor assembly 5 and transmission shaft 8, be provided with the steel ball 10 of eliminating the gap, eliminate the steel ball 10 in gap and both eliminated the rotating shaft of rotor assembly 5 and the gap between the transmission shaft 8, controlled the axial motion of rotor assembly 5 again, also played axially locating effect simultaneously transmission shaft and rotating shaft; Being provided with four planet wheel 7a in planet wheel assembly 7, being provided with planet wheel shaft 7b in the planet wheel 7a, be provided with needle bearing 9 between planet wheel 7a and planet wheel shaft 7b, is in order to reduce the internal loss of power of motor, to improve the working life of planet wheel shaft 7b equally.
When the utility model specifically uses, connect outside storage battery, press enable switch, make electric current, make rotor assembly 5 drive motor gears and begin to prepare the engagement rotation by the rotor assembly 5 of relay to motor; Finish when the relay time-delay, connect magnetic switch 2, magnetic switch 2 drives overrunning clutch 4 by shift fork 3 and moves forward, and makes the flywheel engagement of the actuation gear and the motor of overrunning clutch 4 front ends; Rotor assembly 5 energisings meanwhile, make rotating shaft produce high speed rotating, four planet wheel 7a that drive on the planetary pinion assembly 7 by the sun gear 6 that is connected with rotating shaft rotate, four planet wheel 7a drive transmission shaft 8 and rotate, driving overrunning clutch 4 by transmission shaft 8 again rotates with the actuation gear that is connected in the above, make the moment of torsion of actuation gear generation, act on the flywheel of motor, drive motor and start rapidly times over rotor; Unclamp enable switch, magnetic switch 2 dead electricity break away from actuation gear the flywheel position of motor rapidly by the spring of inside, have finished the one action circulation like this.
Claims (3)
1. one kind seals the planetary gear speed-reduction starter motor, comprise casing (1), in casing (1), be provided with magnetic switch (2), shift fork (3), overrunning clutch (4), rotor assembly (5), sun gear (6), planet wheel assembly (7) and transmission shaft (8), shift fork (3) one ends are connected with magnetic switch (2), and shift fork (3) the other end is connected with overrunning clutch (4); The rotating shaft of rotor assembly (5) front end connects sun gear (6), sun gear (6) is connected with a joggle with planetary pinion assembly (7), planetary pinion assembly (7) is connected with overrunning clutch (4) by transmission shaft (8), it is characterized in that, the rotating shaft of described rotor assembly (5) rear end and the contacting part of housing (1) are provided with ball bearing (5a), be provided with needle bearing (9) in the rotating shaft of rotor assembly (5) front end and the contacting part of transmission shaft (8), between the ear end face of the rotating shaft front-end face of rotor assembly (5) and transmission shaft (8), be provided with the steel ball (10) of eliminating the gap.
2. sealing planetary gear speed-reduction starter motor according to claim 1, it is characterized in that, be provided with four planet wheels (7a) in the described planet wheel assembly (7), be provided with planet wheel shaft (7b) in the planet wheel (7a), between planet wheel (7a) and planet wheel shaft (7b), be provided with needle bearing (9).
3. sealing planetary gear speed-reduction starter motor according to claim 1 is characterized in that, the contacting part of described transmission shaft (8) rear portion and casing (1) is provided with needle bearing (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205588036U CN201818414U (en) | 2010-10-09 | 2010-10-09 | Reduction starter of sealed planetary gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205588036U CN201818414U (en) | 2010-10-09 | 2010-10-09 | Reduction starter of sealed planetary gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201818414U true CN201818414U (en) | 2011-05-04 |
Family
ID=43916372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205588036U Expired - Fee Related CN201818414U (en) | 2010-10-09 | 2010-10-09 | Reduction starter of sealed planetary gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201818414U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106051112A (en) * | 2016-06-07 | 2016-10-26 | 李路 | Novel industrially electromechanical permanent-magnet asynchronous speed retarding starting device |
-
2010
- 2010-10-09 CN CN2010205588036U patent/CN201818414U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106051112A (en) * | 2016-06-07 | 2016-10-26 | 李路 | Novel industrially electromechanical permanent-magnet asynchronous speed retarding starting device |
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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: 20110504 Termination date: 20161009 |