CN201953796U - Structure prolonging service life of motor output shaft - Google Patents
Structure prolonging service life of motor output shaft Download PDFInfo
- Publication number
- CN201953796U CN201953796U CN2010206271451U CN201020627145U CN201953796U CN 201953796 U CN201953796 U CN 201953796U CN 2010206271451 U CN2010206271451 U CN 2010206271451U CN 201020627145 U CN201020627145 U CN 201020627145U CN 201953796 U CN201953796 U CN 201953796U
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- Prior art keywords
- output shaft
- key
- keyway
- motor output
- axial
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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 belongs to a power transmission mechanism in the machinery industry, especially to a structure prolonging the service life of a motor output shaft. A key slot (1) is provided along the axial direction of an output shaft (2) and is distributed along the circumferential direction of the output shaft (2); and one or two axial key slots (1) are additionally provided. An axial key slot (1) is additionally provided at a 180 degree position along the circumferential direction of the original axial key slot (1) of the output shaft (2). By adopting the technical scheme of the utility model, when the key slot on one side is damaged, it is only required to take out the key without dismounting the whole transmission shaft, rotate the motor output shaft and put the key into another coaxial key slot, thereby permitting the regular service. The utility model greatly increases the service life of the output shaft without influencing the conventional use state and the quality level, reduces the time of dismounting and replacing the output shaft and enhances the working efficiency.
Description
Technical field
The utility model belongs to the power-transmitting unit of mechanical industry, particularly relates to a kind of structure of the motor output shaft by the rotatingshaft transfer motion power.
Background technique
Be unable to do without the transmission of power in the machinery industry, major part is to pass through belt pulley, belt by driving shaft, and perhaps coupling connects transmission.In the transmittance process of axle, must on axle and axle sleeve, offer keyway respectively, insert in the axle and the keyway of axle sleeve by key then, running shaft or axle sleeve, by key with power, moment of torsion the opposing party.
In some occasions, the prior motor output shaft is because the impulsive load of bearing is bigger, repeated stock, its keyway is more easy to wear, have to this moment the axle that has damaged keyway is changed, having to expend a large amount of man-hours in disassembly process again implements to change to whole axle, generally need with about three hours, maintenance efficiency is low, the replacing of whole axle, material, it is very big that the processing charges of axle is also changed expense, in the resource of advocating thriftiness, today of increasing work efficiency, be necessary this phenomenon is done further to improve.
Summary of the invention
The purpose of this utility model reduces the man-hour of changing key, axle in order to economize in raw materials, and improves repairing, changes axle, key efficient, and a kind of structure-improved of motor output shaft is provided.The purpose of this utility model is realized by following technological scheme.
A kind of structure that prolongs the motor output shaft life-span, output shaft axially offer a keyway, it is characterized in that along circumferentially distributing, other offers one or two axial keyway at output shaft.
Further, offer an axial keyway in addition in the circumferential 180 degree positions of the former axial keyway of described output shaft.
Further again, described keyway is the keyway of flat key.
Flat key is according to the purposes difference, and flat key can be divided into three kinds of parallel key, dive key and feather keys, and wherein general flat key is used for quiet connection, and dive key is used for moving the connection with feather key, as required, selects suitable flat key structure for use, offers suitable flat key groove.
Adopt the technical solution of the utility model, after a side switch groove damaged, whole transmission shaft of unnecessary dismounting do not need to change whole axle, need only take out key, and the rotary electric machine output shaft is inserted key in coaxial another keyway, just can normally use again.
Using the 3rd intensity theory that the twisting strength of original system is checked repeatedly, guaranteeing operation nothing serious under the prerequisite, offering keyway at bilateral radially with symmetric mode.Offer keyway with symmetric mode at bilateral radially for this reason.After the technological transformation test, transmission shaft maintain and replace speed is obviously promoted, and has saved replacement cost.
Advantage of the present utility model and beneficial effect: 1. simple technological improvement behave, do not influence existing user mode and quality level at all, the but almost double operating life that improves output shaft has been saved workpiece material, processing charges, cost greatly; 2. reduced the dismounting of changing output shaft, cost of labor has been saved in assembling work; 3. reduce integral demounting, change operation, also reduce and avoided changing collision, damage in the operation; 4. reduce the time of dismounting and change output shaft, improved working efficiency.
Description of drawings
Fig. 1 is the embodiment that the utility model prolongs the structure in motor output shaft life-span, and sectional view vertically manifests output axle head two keyways up and down;
Fig. 2 is the sectional view of Fig. 1 axle head at the keyway position;
Fig. 3 is a prior art motor output shaft structure sectional view vertically, manifests keyway above the output axle head;
Fig. 4 is the sectional view of Fig. 3 axle head at the keyway position;
Fig. 5 is the right elevation of Fig. 1;
Fig. 6 is the stereogram of motor output shaft.
Among the figure, the 1st, keyway, the 2nd, output shaft.
Embodiment
Below in conjunction with accompanying drawing.The utility model is described in detail.
A kind of structure that prolongs the motor output shaft life-span, output shaft 2 axially offer a keyway 1, it is characterized in that along circumferentially distributing, other offers one or two axial keyway 1 at output shaft 2.
According to service condition and occasion, at output shaft 2 even can offer three uniform keyways 1.
Circumferential 180 degree positions at described output shaft 2 former axial keyways 1 are offered an axial keyway 1 in addition.Generally be advisable to offer two.
Described keyway 1 is the keyway 1 of flat key.Flat key is the most frequently used.
Claims (3)
1. structure that prolongs the motor output shaft life-span, output shaft (2) axially offer a keyway (1), it is characterized in that along circumferentially distributing, other offers one or two axial keyway (1) at output shaft (2).
2. according to the described a kind of structure that prolongs the motor output shaft life-span of claim 1, it is characterized in that offering an axial keyway (1) in addition in the circumferential 180 degree positions of the former axial keyway of described output shaft (2) (1).
3. according to the described a kind of structure that prolongs the motor output shaft life-span of claim 1, it is characterized in that described keyway (1) is the keyway of flat key (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206271451U CN201953796U (en) | 2010-11-26 | 2010-11-26 | Structure prolonging service life of motor output shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206271451U CN201953796U (en) | 2010-11-26 | 2010-11-26 | Structure prolonging service life of motor output shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201953796U true CN201953796U (en) | 2011-08-31 |
Family
ID=44497906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206271451U Expired - Fee Related CN201953796U (en) | 2010-11-26 | 2010-11-26 | Structure prolonging service life of motor output shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201953796U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024045209A1 (en) * | 2022-09-02 | 2024-03-07 | 重庆拓思动力科技有限公司 | Split connecting structure for output shaft of universal power unit |
-
2010
- 2010-11-26 CN CN2010206271451U patent/CN201953796U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024045209A1 (en) * | 2022-09-02 | 2024-03-07 | 重庆拓思动力科技有限公司 | Split connecting structure for output shaft of universal power unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110831 Termination date: 20121126 |