CN203453431U - Motor transmission shaft fixing device - Google Patents
Motor transmission shaft fixing device Download PDFInfo
- Publication number
- CN203453431U CN203453431U CN201320435616.2U CN201320435616U CN203453431U CN 203453431 U CN203453431 U CN 203453431U CN 201320435616 U CN201320435616 U CN 201320435616U CN 203453431 U CN203453431 U CN 203453431U
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- CN
- China
- Prior art keywords
- fixing device
- transmission shaft
- stifle
- motor
- bearing
- 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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Abstract
A motor transmission shaft fixing device comprises a motor body, a transmission shaft, a fixing device assembly and a base. The transmission shaft is driven by the motor body, and the fixing device assembly is connected with the transmission shaft, and the fixing device assembly is fixed to the base. The fixing device assembly comprises a pinion, a shaft head, a bearing and a wall shelf plate, the transmission shaft is connected with the pinion through a key, and the shaft head is fixedly connected with the end portion of the pinion through a bolt. Meanwhile, the shaft head is connected with the end portion of the transmission shaft through a long bolt, and the center of the shaft head and the center of the long bolt coincide with the center of the transmission shaft. The shaft head is connected with the wall shelf plate through the bearing, and the wall shelf plate is fixed to the base. The motor transmission shaft fixing device has the advantages that the motor transmission shaft fixing device can protect stability of the motor transmission shaft, the moment requirement of the motor is lowered under the condition that the speed requirement is met, braking loss can be reduced in the transmission process, mechanical noise is low, jitter is small in gear transmission, and the service life of the motor is prolonged.
Description
Technical field
The utility model relates to a kind of fixing device of motor drive shaft, particularly a kind of can reduce transmission time brake loss large, mechanical noise is little, it is little to shake during gear transmission, improve the motor motor driven shaft fixing device in working life.
Background technique
At present, domestic machinery motor driven is fixed, owing to being subject to the restriction of motor drive shaft length, substantially be all cantilever beam structure, under the little occasion of driving torque, use and substantially there is no much problems, when particularly driving torque is large, if select high pulling torque motor, price can be very expensive like this.Practical on the motor drive component of crewman's above-decks equipment anchor winch, mooring winch, holder cable car, AR laying winch especially.
But existing cantilever beam structure, shakes large, fragile motor during large, the gear transmission of large, the mechanical noise of brake loss during transmission, also can cause small gear and gearwheel heavy wear simultaneously.
Summary of the invention
Goal of the invention: for deficiency of the prior art; the purpose of this utility model is to provide a kind of motor driven shaft fixing device with protection motor drive shaft stability; also can play and meet under speed conditions simultaneously; reduce motor torque demand; brake loss in the time of simultaneously can reducing transmission, mechanical noise is little, it is little to shake during gear transmission, improve motor working life.
Technological scheme: a kind of motor driven shaft fixing device, comprise motor body, transmission shaft, fixing device component and base, described transmission shaft is driven by motor body, described fixing device component is connected with transmission shaft, described fixing device component is fixed on base, described fixing device component comprises small gear, spindle nose, bearing and wall frame plate, described transmission shaft is connected by key with small gear, described spindle nose is fixedly connected with the end of small gear by bolt, small gear cantilever beam structure form is changed over to simply supported beam and overhang comprehensive form, stable in the time of so just can playing the operation of protection small gear, its compact structure, reliable operation, the effect of long service life, spindle nose is connected with the end of transmission shaft by stay bolt simultaneously, and the center of described spindle nose and stay bolt overlaps with center transmission shaft, described spindle nose is connected with wall frame plate by bearing, and described wall frame plate is fixed on base.The utlity model has and promote to rotate beat precision, the effect of brake loss while reducing transmission, during little, the gear transmission of mechanical noise simultaneously, shake little, improve motor working life.
Described bearing is selfaligning roller bearing.Aligning roller load line of action and bearing axis form several angle, axial load ability is large, when bearing axial load, also can bear certain radial load. the radial load while mainly sharing gear transmission, also can bear the thrust load of either direction simultaneously.There is high radial capacity, be specially adapted to work under heavy duty or oscillating load.Such bearing outer ring ball track is spheric; therefore its aligning performance is good; energy compensating coaxial degree error; play protection small gear when stressed transmission; because causing motor drive shaft, vibrations are subject to radial force, such bearing spherical surface roller oblique arrangement, and seat ring roller surface is sphere; there is aligning performance, therefore can allow axle to have some inclinations.Can use in extremely heavy load occasion, the rotating speed of permission is higher, the separated type selfaligning bearing of employing, and inner ring and outer ring can be installed separately, easier for installation.
In order to improve the working life of bearing, described fixing device component also comprises interior stifle and outer stifle, described interior stifle is fixed on wall frame plate inner side through spindle nose, and described outer stifle is fixed on wall frame plate outside, and described bearing is in wall frame plate and between interior stifle and outer stifle.
In order to prevent that lubricant oil from overflowing, improve sealing, on described spindle nose, be also provided with shaft seal, described shaft seal is positioned at stifle outside, and with interior stifle close contact.
For conveniently, to bearing lubricating oil filling, described outer stifle outer side center position is provided with oil nozzle, and described oil nozzle runs through outer stifle.
Beneficial effect: the utility model can have the effect of protection motor drive shaft stability; also can play and meet under speed conditions simultaneously; reduce motor torque demand, brake loss simultaneously in the time of can reducing transmission, mechanical noise is little, it is little to shake during gear transmission, improve motor working life.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the enlarged diagram of the utility model fixing device component.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, a motor driven shaft fixing device, comprises motor body 1, transmission shaft 2, fixing device component 3 and base 4, and described transmission shaft 2 is driven by motor body 1, described fixing device component 3 is connected with transmission shaft 2, and described fixing device component 3 is fixed on base 4.
As shown in Figure 2, described fixing device component 3 comprises small gear 31, spindle nose 32, bearing 33 and wall frame plate 34, described transmission shaft 2 is connected by key with small gear 31, described spindle nose 32 is fixedly connected with the end of small gear 31 by bolt 35, small gear 31 cantilever beam structure forms are changed over to simply supported beam and overhang comprehensive form, stable in the time of so just can playing 31 operation of protection small gear, the effect of its compact structure, reliable operation, long service life; Spindle nose 32 is connected with the end of transmission shaft 2 by stay bolt 36 simultaneously, described spindle nose 32 and stay bolt 36 center and transmission shaft 2 center superpositions; Described spindle nose 32 is connected with wall frame plate 34 by bearing 33, and described wall frame plate 34 is fixed on base 4.The utlity model has and promote to rotate beat precision, the effect of brake loss while reducing transmission, during little, the gear transmission of mechanical noise simultaneously, shake little, improve motor working life.
Described bearing 33 is selfaligning roller bearing.Aligning roller load line of action and bearing axis form several angle, axial load ability is large, when bearing axial load, also can bear certain radial load. the radial load while mainly sharing gear transmission, also can bear the thrust load of either direction simultaneously.There is high radial capacity, be specially adapted to work under heavy duty or oscillating load.Such bearing outer ring ball track is spheric; therefore its aligning performance is good; energy compensating coaxial degree error; play protection small gear when stressed transmission; because causing motor drive shaft, vibrations are subject to radial force, such bearing spherical surface roller oblique arrangement, and seat ring roller surface is sphere; there is aligning performance, therefore can allow axle to have some inclinations.Can use in extremely heavy load occasion, the rotating speed of permission is higher, the separated type selfaligning bearing of employing, and inner ring and outer ring can be installed separately, easier for installation.
In order to improve the working life of bearing 33, described fixing device component 3 also comprises interior stifle 37 and outer stifle 38, described interior stifle 37 is fixed on wall frame plate 34 inner sides through spindle nose 32, described outer stifle 38 is fixed on wall frame plate 34 outsides, and described bearing 33 is in wall frame plate 34 and between interior stifle 37 and outer stifle 38.
In order to prevent that lubricant oil from overflowing, improve sealing, on described spindle nose 32, be also provided with shaft seal 39, described shaft seal 39 is positioned at stifle 37 outsides, and with interior stifle 37 close contacts.
For conveniently, to bearing lubricating oil filling, described outer stifle 38 outer side center positions are provided with oil nozzle 5, and described oil nozzle 5 runs through outer stifle 38.
Claims (5)
1. a motor driven shaft fixing device, comprise motor body (1), transmission shaft (2), fixing device component (3) and base (4), described transmission shaft (2) is driven by motor body (1), described fixing device component (3) is connected with transmission shaft (2), described fixing device component (3) is fixed on base (4), it is characterized in that: described fixing device component (3) comprises small gear (31), spindle nose (32), bearing (33) and wall frame plate (34), described transmission shaft (2) is connected by key with small gear (31), described spindle nose (32) is fixedly connected with the end of small gear (31) by bolt (35), spindle nose (32) is connected with the end of transmission shaft (2) by stay bolt (36) simultaneously, the center of described spindle nose (32) and stay bolt (36) and transmission shaft (2) center superposition, described spindle nose (32) is connected with wall frame plate (34) by bearing (33), and described wall frame plate (34) is fixed on base (4).
2. motor driven shaft fixing device according to claim 1, is characterized in that: described bearing (33) is selfaligning roller bearing.
3. motor driven shaft fixing device according to claim 1, it is characterized in that: described fixing device component (3) also comprises interior stifle (37) and outer stifle (38), described interior stifle (37) is fixed on wall frame plate (34) inner side through spindle nose (32), described outer stifle (38) is fixed on wall frame plate (34) outside, described bearing (33) be positioned at wall frame plate (34) and be positioned at stifle (37) and outer stifle (38) between.
4. motor driven shaft fixing device according to claim 3, is characterized in that: on described spindle nose (32), be also provided with shaft seal (39), described shaft seal (39) is positioned at stifle (37) outside, and with interior stifle (37) close contact.
5. according to the motor driven shaft fixing device described in claim 3 or 4, it is characterized in that: described outer stifle (38) outer side center position is provided with oil nozzle (5), and described oil nozzle (5) runs through outer stifle (38).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320435616.2U CN203453431U (en) | 2013-07-22 | 2013-07-22 | Motor transmission shaft fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320435616.2U CN203453431U (en) | 2013-07-22 | 2013-07-22 | Motor transmission shaft fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203453431U true CN203453431U (en) | 2014-02-26 |
Family
ID=50133306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320435616.2U Expired - Fee Related CN203453431U (en) | 2013-07-22 | 2013-07-22 | Motor transmission shaft fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203453431U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410951A (en) * | 2013-07-22 | 2013-11-27 | 江苏威和重工有限公司 | Motor transmission shaft fixing device |
-
2013
- 2013-07-22 CN CN201320435616.2U patent/CN203453431U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410951A (en) * | 2013-07-22 | 2013-11-27 | 江苏威和重工有限公司 | Motor transmission shaft fixing 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 |
Granted publication date: 20140226 Termination date: 20140722 |
|
| EXPY | Termination of patent right or utility model |