CN102943820A - Connection structure for rotor spindle and crank shaft of double-end motor - Google Patents
Connection structure for rotor spindle and crank shaft of double-end motor Download PDFInfo
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- CN102943820A CN102943820A CN2012104348429A CN201210434842A CN102943820A CN 102943820 A CN102943820 A CN 102943820A CN 2012104348429 A CN2012104348429 A CN 2012104348429A CN 201210434842 A CN201210434842 A CN 201210434842A CN 102943820 A CN102943820 A CN 102943820A
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- rotor shaft
- bent axle
- groove
- crank shaft
- connecting base
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Abstract
The invention discloses a connection structure for a rotor spindle and a crank shaft of a double-end motor. The connection structure comprises the rotor spindle and the crank shaft, wherein the crank shaft comprises a cylinder connection base and a cylinder transmission part, the transmission part is located on one side of the bottom surface of the connection base to form an eccentric structure, the transmission part is provided with a rotor spindle installation hole which penetrates through the connection base, the crank shaft is provided with a clamp slot which is communicated with the rotor spindle installation hole, an installation slot is arranged on the rotor spindle corresponding to the clamp slot, a locating block is arranged in the installation slot and is adaptive to the clamp slot, and the crank shaft is provided with a drive mechanism for driving the locating block to swing. The connection structure is characterized in that the locating block and the drive mechanism for driving the locating block to swing are arranged between the rotor spindle and the crankshaft, so that when the locating block swings, the crank shaft is locked, as a result, the location of the crank shaft is guaranteed, the locking force between the crank shaft and the rotor spindle is increased, the crank shaft is prevented from being loosened in the rotation process, and the improvement of the center balance of the rotor spindle is guaranteed when both ends of the rotor spindle are provided with crankshafts.
Description
Technical field
The present invention relates to machine field, refer to especially a kind of linkage structure of rotor shaft and bent axle of double end motor.
Background technique
The rotor shaft of the motor generation driving torque that rotates, thereby drive subsidiary component movement, apply to widely the transmission field of machinery, for the power to the motor both sides is used, realize energy-saving and cost-reducing effect, bent axle is all installed on both sides at rotor shaft, connect the assembly that is transmitted on the bent axle, and the linkage structure of existing bent axle and rotor shaft is: mill a plane at rotor shaft, with a screw crankshaft eccentric is locked on the rotor shaft, positioning error is larger on the angle of 180 degree, causes rotor shaft center balance relatively poor, and the lock power of bent axle and rotor shaft shortcoming, bent axle is loosening easily in rotation, and then the degree of balance of rotor shaft both sides bent axle is relatively poor, and the movement locus of the subsidiary parts of impact causes the damage of entire machine.
Summary of the invention
For the deficiency that prior art exists, the object of the present invention is to provide a kind of location accurately and the center balance of two bent axles rotor shaft when being fixed in the rotor shaft preferably rotor shaft of double end motor and the linkage structure of bent axle.
Technological scheme of the present invention is achieved in that a kind of linkage structure of rotor shaft and bent axle of double end motor, comprise rotor shaft and bent axle, described bent axle comprises columned connecting base and columned transmission unit, this transmission unit is positioned at a side of connecting base bottom surface, consist of eccentric structure, and be provided with the rotor shaft mounting hole on the transmission unit, this mounting hole penetrates the connecting base setting, be provided with draw-in groove on the described bent axle, this draw-in groove communicates with the rotor shaft mounting hole, and the corresponding draw-in groove of described rotor shaft place is provided with mounting groove, is provided with positioning block in this mounting groove, this positioning block and draw-in groove are suitable, and are provided with the driving mechanism that the driving positioning block waves on the bent axle.
By adopting technique scheme, between rotor shaft and bent axle, positioning block is set, reach and drive the driving mechanism that positioning block waves, when positioning block waves, can play to bent axle the effect of locking, effectively guaranteed the location of bent axle, greatly improved the coupling mechanism force of bent axle and rotor shaft, prevent that bent axle is easily loosening in rotation process, guaranteed when the two ends of rotor shaft all are fixed with bent axle, to have improved rotor shaft center balance.
The present invention further is set to: described draw-in groove is square groove, this square groove is across transmission unit and connecting base, described mounting groove is half slot, described positioning block is the semicircle locating stud, arc surface and the half slot of semicircle locating stud are suitable, the bottom surface of semicircle locating stud exceeds the rotor shaft setting, and with the square groove secure fit.Wherein, described driving mechanism comprises and is provided with through hole on the connecting base, this through hole is communicated with respectively the groove bottom of side face and the square groove of connecting base, the inwall of this through hole is provided with internal thread, be provided with screw in this through hole, the outer wall of this screw is provided with outside thread, and described outside thread and internal thread are suitable.
By adopting technique scheme, half slot and semicircle locating stud are set, arc surface helps the swing of semicircle locating stud, and driving mechanism is set to screw, and it is easy to move up and down, when screw moves downward, withstand an end of semicircle locating stud, at this moment, the other end of semicircle locating stud just is upturned, effectively with bent axle and rotor shaft locking, such structure has increased coupling mechanism force greatly, increased by four times nearly than existing means of fixation, and simple in structure, be easy to realize.
The present invention also further is set to: described rotor shaft two ends are provided with bent axle, and the axis towards along rotor shaft of two bent axles arranges on the contrary.
By adopting technique scheme, the bilateral power of motor is used, when realizing energy-saving and cost-reducing effect, guaranteed the balance at rotor shaft center.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technological scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the specific embodiment of the invention;
Fig. 2 is that the A of Fig. 1 is to sectional view;
Fig. 3 is the structural representation of this present invention embodiment bent axle;
Fig. 4 is the structural representation of this present invention embodiment semicircle locating stud;
Fig. 5 is the structural representation of this present invention embodiment rotor shaft.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technological scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiments.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment who obtains under the creative work prerequisite.
Such as Fig. 1-shown in Figure 5, the invention discloses a kind of linkage structure of rotor shaft and bent axle of double end motor, comprise rotor shaft 1 and bent axle 2, described bent axle 2 comprises columned connecting base 21 and columned transmission unit 22, this transmission unit 22 is positioned at a side of connecting base 21 bottom surfaces, consist of eccentric structure, and be provided with rotor shaft mounting hole 23 on the transmission unit 22, this mounting hole 23 penetrates connecting base 22 and arranges, in the specific embodiment of the invention, be provided with draw-in groove on the described bent axle 2, this draw-in groove communicates with rotor shaft mounting hole 23, the corresponding draw-in groove of described rotor shaft place is provided with mounting groove, be provided with positioning block in this mounting groove, this positioning block and draw-in groove are suitable, and be provided with on the bent axle and drive the driving mechanism that positioning block waves, between rotor shaft and bent axle, positioning block is set, reach and drive the driving mechanism that positioning block waves, when positioning block waves, can play to bent axle the effect of locking, effectively guaranteed the location of bent axle, greatly improved the coupling mechanism force of bent axle and rotor shaft, prevent that bent axle is easily loosening in rotation process, guaranteed when the two ends of rotor shaft all are fixed with bent axle, improve rotor shaft center balance, motor can be moved in the best condition, fundamentally improved the quality of machine.
In the specific embodiment of the invention, described draw-in groove is square groove 23, this square groove 23 is across transmission unit 22 and connecting base 21, described mounting groove is half slot 11, described positioning block is semicircle locating stud 3, the arc surface 32 of semicircle locating stud is suitable with half slot 11, the bottom surface 31 of semicircle locating stud exceeds the rotor shaft setting, wherein, the bottom surface 31 of semicircle locating stud is the suitable oblong-shaped of square groove 23, better and bent axle is located, and the length of semicircle locating stud 3 is longer than the length setting of connecting base 22.
Wherein, driving mechanism comprises the through hole 25 on the connecting base 22, this through hole 25 is communicated with respectively the groove bottom of side face and the square groove 23 of connecting base 22, the inwall of this through hole 25 is provided with internal thread, be provided with screw 4 in this through hole 25, the outer wall of this screw 4 is provided with outside thread, described outside thread and internal thread are suitable, and half slot 11 and semicircle locating stud 3 are set, the arc surface of the groove bottom of half slot and semicircle locating stud, help the swing of semicircle locating stud, and when bent axle was assemblied on the rotor shaft, the position of screw 4 was positioned at an end top of semicircle locating stud 3, and driving mechanism is set to screw, it is easy to move up and down, when screw moves downward, withstand an end of semicircle locating stud 3, at this moment, the other end of semicircle locating stud 3 just is upturned, effectively with bent axle 2 and rotor shaft 1 locking, such structure has increased coupling mechanism force greatly, has increased by four times nearly than existing means of fixation, and simple in structure, be easy to realize; Described rotor shaft 1 two ends are provided with bent axle 2, and the axis towards along rotor shaft 1 of two bent axles 2 arranges on the contrary, and the bilateral power of motor is used, and when realizing energy-saving and cost-reducing effect, have guaranteed the balance at rotor shaft center.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. the linkage structure of the rotor shaft of a double end motor and bent axle, comprise rotor shaft and bent axle, described bent axle comprises columned connecting base and columned transmission unit, this transmission unit is positioned at a side of connecting base bottom surface, consist of eccentric structure, and be provided with the rotor shaft mounting hole on the transmission unit, this mounting hole penetrates the connecting base setting, it is characterized in that: be provided with draw-in groove on the described bent axle, this draw-in groove communicates with the rotor shaft mounting hole, and the corresponding draw-in groove of described rotor shaft place is provided with mounting groove, is provided with positioning block in this mounting groove, this positioning block and draw-in groove are suitable, and are provided with the driving mechanism that the driving positioning block waves on the bent axle.
2. the linkage structure of the rotor shaft of double end motor according to claim 1 and bent axle, it is characterized in that: described draw-in groove is square groove, this square groove is across transmission unit and connecting base, described mounting groove is half slot, described positioning block is the semicircle locating stud, arc surface and the half slot of semicircle locating stud are suitable, and the bottom surface of semicircle locating stud exceeds the rotor shaft setting, and with the square groove secure fit.
3. the linkage structure of the rotor shaft of double end motor according to claim 2 and bent axle, it is characterized in that: described driving mechanism comprises and is provided with through hole on the connecting base, this through hole is communicated with respectively the groove bottom of side face and the square groove of connecting base, the inwall of this through hole is provided with internal thread, be provided with screw in this through hole, the outer wall of this screw is provided with outside thread, and described outside thread and internal thread are suitable.
4. according to claim 1 and 2 or the linkage structure of the rotor shaft of 3 described double end motors and bent axle, it is characterized in that: described rotor shaft two ends are provided with bent axle, and the axis towards along rotor shaft of two bent axles arranges on the contrary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210434842.9A CN102943820B (en) | 2012-11-03 | 2012-11-03 | A kind of rotor shaft of double end motor and the linkage structure of bent axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210434842.9A CN102943820B (en) | 2012-11-03 | 2012-11-03 | A kind of rotor shaft of double end motor and the linkage structure of bent axle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102943820A true CN102943820A (en) | 2013-02-27 |
| CN102943820B CN102943820B (en) | 2015-09-23 |
Family
ID=47726791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210434842.9A Expired - Fee Related CN102943820B (en) | 2012-11-03 | 2012-11-03 | A kind of rotor shaft of double end motor and the linkage structure of bent axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102943820B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121296A (en) * | 2014-07-25 | 2014-10-29 | 刘影 | Coupler with anti-rotating function |
| CN105522463A (en) * | 2016-01-28 | 2016-04-27 | 东莞市友辉光电科技有限公司 | Double-head spindle motor and polishing device using same |
| CN109038942A (en) * | 2016-08-31 | 2018-12-18 | 苏州欧圣电气股份有限公司 | Motor and air compressor machine with the motor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1280256A (en) * | 2000-01-01 | 2001-01-17 | 陈志宁 | Semicirclar key connection structure |
| KR20060090040A (en) * | 2005-02-04 | 2006-08-10 | 조형근 | Double head electric drill |
| EP2083172A1 (en) * | 2008-01-22 | 2009-07-29 | Siemens Aktiengesellschaft | Multi-body compressor train |
| CN202251384U (en) * | 2011-09-08 | 2012-05-30 | 江阴克威齿轮箱制造有限公司 | Output shaft structure of reduction gearbox |
| CN202314203U (en) * | 2011-11-08 | 2012-07-11 | 厦门蒙发利科技（集团）股份有限公司 | Massage movement capable of realizing translation pushing-kneading massage |
-
2012
- 2012-11-03 CN CN201210434842.9A patent/CN102943820B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1280256A (en) * | 2000-01-01 | 2001-01-17 | 陈志宁 | Semicirclar key connection structure |
| KR20060090040A (en) * | 2005-02-04 | 2006-08-10 | 조형근 | Double head electric drill |
| EP2083172A1 (en) * | 2008-01-22 | 2009-07-29 | Siemens Aktiengesellschaft | Multi-body compressor train |
| CN202251384U (en) * | 2011-09-08 | 2012-05-30 | 江阴克威齿轮箱制造有限公司 | Output shaft structure of reduction gearbox |
| CN202314203U (en) * | 2011-11-08 | 2012-07-11 | 厦门蒙发利科技（集团）股份有限公司 | Massage movement capable of realizing translation pushing-kneading massage |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121296A (en) * | 2014-07-25 | 2014-10-29 | 刘影 | Coupler with anti-rotating function |
| CN105522463A (en) * | 2016-01-28 | 2016-04-27 | 东莞市友辉光电科技有限公司 | Double-head spindle motor and polishing device using same |
| CN105522463B (en) * | 2016-01-28 | 2017-11-03 | 东莞市友辉光电科技有限公司 | A kind of burnishing device of use double end spindle motor |
| CN109038942A (en) * | 2016-08-31 | 2018-12-18 | 苏州欧圣电气股份有限公司 | Motor and air compressor machine with the motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102943820B (en) | 2015-09-23 |
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Granted publication date: 20150923 Termination date: 20171103 |