CN106505785A - Horizontal stage electric machine and head - Google Patents
Horizontal stage electric machine and head Download PDFInfo
- Publication number
- CN106505785A CN106505785A CN201611038578.1A CN201611038578A CN106505785A CN 106505785 A CN106505785 A CN 106505785A CN 201611038578 A CN201611038578 A CN 201611038578A CN 106505785 A CN106505785 A CN 106505785A
- Authority
- CN
- China
- Prior art keywords
- electric machine
- motor shaft
- stage electric
- horizontal stage
- compressing member
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/003—Couplings; Details of shafts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/08—Structural association with bearings
Abstract
The invention discloses a kind of horizontal stage electric machine (10)，Including rotor assembly (11)、Motor shaft (12) and stator module (13)，Described motor shaft (12) include axis body (122)、First end (124) and the second end (126)，First end (124) are fixedly attached to the rotor assembly (11)，Stator module (13) are set in the axis body (122) periphery and are rotated by a pair of bearings (15) and be connected to the motor shaft (12)，Described bearing (15) is arranged respectively close to the first end (124) and second end (126)，Horizontal stage electric machine (10) also include compressing member (16) and elastomer (18)，Compressing member (16) are coordinated with described second end (126)，So that stator module (13) are positioned at the motor shaft (12) in the axial direction，Elastomer (18) and a bearing shim (152) are arranged between the compressing member (16) and the bearing (15) of close second end (126) jointly，And bearing shim (152) press close to the bearing (15)，Described elastomer (18) are located between the bearing shim (152) and the compressing member (16)，Described elastomer (18) are caused to produce elastic deformation by the compressing member (16)，To ensure the uniformity of horizontal stage electric machine (10) axial pre tightening force.
Description
Technical field
A kind of the present invention relates to aircraft power engineering device technique field, more particularly to head motor.
Background technology
In holder for aerial photographing field, the ratio that cradle head structure is typically designed is lighter, thus Selection of Bearings is also smaller.Bearing
Axial carrying capacity limited, the pretension of end-play becomes one of key factor for affecting head shooting effect quality.In order to
Strengthen the stability in head motion, need to eliminate the end-play between head shafting middle (center) bearing, and for rotor and stator seat it
Between certain pretightning force is provided.Existing small-sized head is mostly cementing with motor stator holder fastening member using bearing outer ring, motor
Axle and the cementing mode of bearing inner race, while the mode for carrying out pressurize in bonding process realizes the pretension of bearing.This mode
Higher to gluing technological requirement, and axial pre tightening force control range is also difficult to accurate assurance.
Content of the invention
The technical problem to be solved is, there is provided a kind of new head axial pretightening structure, can be simple and direct
And relatively accurately ensure product axial pre tightening force uniformity, reaching makes the purpose of head steady shot.
To achieve these goals, embodiment of the present invention provides following technical scheme：
The present invention provides a kind of horizontal stage electric machine, including rotor assembly, motor shaft and stator module, the motor shaft include axis body and
Located at first end and second end at the axis body two ends, the first end is fixedly attached to the rotor assembly, the stator pack
Part is set in axis body periphery and is connected to the motor shaft by a pair of bearings rotation, described to bearing respectively close to described
First end and second end are arranged, and the horizontal stage electric machine also includes compressing member and elastomer, the compressing member and described second
End coordinates so that the stator module is positioned at the motor shaft, the elastomer and a bearing shim in the axial direction
It is arranged at jointly the compressing member and between the bearing at second end, and the axle is pressed close to by the bearing shim
Hold, the elastomer is located between the bearing shim and the compressing member, the elastomer is produced by the compressing member
Raw elastic deformation, to ensure the uniformity of the horizontal stage electric machine axial pre tightening force.
Wherein, the compressing member is coordinated in the form of screw thread pair with second end.
Wherein, the elastomer is the flexible rubber ring or spring being set on second end.
Wherein, the first end includes cylinder and location division, and the location division is based in the periphery of the cylinder, described fixed
Position portion is used for coordinating with the rotor assembly to realize the fixation between the motor shaft and the rotor assembly.
Wherein, the rotor assembly is provided with through hole and locating slot, and the locating slot is located at the periphery of the through hole, the post
Body is contained in the through hole, and the location division is coordinated with the locating slot, to limit the motor shaft with the rotor assembly
Between relatively rotate.
Wherein, the location division projects along radial direction from the periphery of the cylinder and extends, and the location division is in vertical
Directly in the laminated structure in the axle center of the motor shaft.
Wherein, the first end also includes excessive glue groove, and the excessive glue groove is located between the cylinder and the axis body, described
Excessive glue groove is used for filling colloid to realize gluing between the motor shaft and the rotor assembly.
Wherein, described bearing is removably connected between the motor shaft and the stator module.
On the other hand, the present invention also provides a kind of head, and including horizontal stage electric machine and head support arm, the horizontal stage electric machine includes
Rotor assembly, motor shaft and stator module, the rotor assembly are connected to the head support arm, the motor shaft include axis body and
Located at first end and second end at the axis body two ends, the first end is fixedly attached to the rotor assembly, the stator pack
Part is set in axis body periphery and is connected to the motor shaft by a pair of bearings rotation, described to bearing respectively close to described
First end and second end are arranged, and the horizontal stage electric machine also includes compressing member and elastomer, the compressing member and described second
End coordinates so that the stator module is positioned at the motor shaft, the elastomer and a bearing shim in the axial direction
It is arranged at jointly the compressing member and between the bearing at second end, and the axle is pressed close to by the bearing shim
Hold, the elastomer is located between the bearing shim and the compressing member, the elastomer is produced by the compressing member
Raw elastic deformation, to ensure the uniformity of the horizontal stage electric machine axial pre tightening force.
Wherein, the compressing member is coordinated in the form of screw thread pair with second end.
Wherein, the first end includes cylinder and location division, and the location division is based in the periphery of the cylinder, described fixed
Position portion is used for coordinating with the rotor assembly to realize the fixation between the motor shaft and the rotor assembly.
Wherein, the first end also includes excessive glue groove, and the excessive glue groove is located between the cylinder and the axis body, described
Excessive glue groove is used for filling colloid to realize gluing between the motor shaft and the rotor assembly.
Externally threaded cooperation of the horizontal stage electric machine that the present invention is provided by compressing member and the second end of motor shaft so that the bullet
Gonosome produces elastic deformation, that is to say, that the present invention passes through to place elastic rubber fitting between bearing inner race and motor shaft output
Or the less special disk spring of elastic force etc., ensure such that it is able to control the deflection of elastic article by fitted position
The uniformity of product axial pre tightening force, reaching makes the purpose of head steady shot.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the perspective exploded view of the horizontal stage electric machine that the present invention is provided.
Fig. 2 is the section plan of the horizontal stage electric machine that the present invention is provided.
Fig. 3 is the enlarged diagram of III parts in Fig. 2.
Fig. 4 is the schematic diagram of the motor shaft of the horizontal stage electric machine that the present invention is provided.
Specific embodiment
Accompanying drawing in below in conjunction with the embodiment of the present invention, to the embodiment of the present invention in technical scheme carry out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiment.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Horizontal stage electric machine provided in an embodiment of the present invention and head are used for Aerial photography, used as photography, photograph, monitoring, sampling
Servicing unit.The head is used for carrying attitude regulation of the carrier to realize the fixation of the carrier, the carrier
(for example：Change height, inclination angle and/or the direction of the carrier) and make the carrier be stably held in the attitude of determination
On.The carrier can be the camera head such as camera and video camera, alternatively other kinds of sensor device etc..Below
In conjunction with accompanying drawing, the head and horizontal stage electric machine of the present invention are elaborated.Fig. 1 to Fig. 4 is referred to, the head includes head electricity
Machine 10, the horizontal stage electric machine 10 include that rotor assembly 11, motor shaft 12 and stator module 13, the motor shaft 12 include axis body
122 and the first end 124 located at 122 two ends of the axis body and the second end 126, the first end 124 is fixedly attached to described turning
Sub-component 11, the stator module 13 are set in 122 periphery of the axis body and are rotated by a pair of bearings 15 and be connected to the electricity
Arbor 12, described bearing 15 is arranged respectively close to the first end 124 and second end 126, the horizontal stage electric machine 10 is also
Including compressing member 16 and elastomer 18, the compressing member 16 is coordinated in the form of screw thread pair with the end 126 so that described
Stator module 13 is positioned at the motor shaft 12 in the axial direction, the elastomer 18 be arranged at the compressing member 16 with close
Between the bearing 15 at second end 126, compressing member causes elastomer 18 to produce elastic deformation by compressing member 16, to protect
Demonstrate,prove the uniformity of 10 axial pre tightening force of the horizontal stage electric machine.Specifically, bearing shim is provided between bearing 15 and elastomer 18
152, it is determined that the gap size between bearing 15 and compressing member 16, actually determine bearing shim 152 top surface and
Gap size between the bottom surface of compressing member 16.
In a kind of embodiment, the compressing member 16 is nut, and second end 126 includes external screw thread, the nut with
The external screw thread coordinates.In another embodiment, the compressing member 16 is screw, is correspondingly threaded at the second end 126
Hole, determines the gap between compressing member 16 and bearing 15 by the cooperation of screw and screwed hole, that is, determines the deformation of elastomer 18
Amount.In other embodiments, it is also possible to compressing member 16 is connected to the second end by way of other non-threaded secondary connections
126, such as, by the cooperation of multilayer buckle and draw-in groove, the buckle of different layers can determine different bearings 15 from the cooperation of draw-in groove
With the gap size between compressing member 16.
Specifically, stator module 13 includes that stator seat 132 and stator core 134, stator seat 132 are rotated and be connected to motor
Axle 12, stator core 134 are fixedly attached to stator seat 132 and are located between stator seat 132 and rotor assembly 11.By stator seat
The step surface of inner surface realizes the axially position to bearing 15.
Cooperation of the present invention by compressing member 16 and 12 second end 126 of motor shaft, by controlling compressing member 16 and bearing 15
The distance between, to determine the deflection of elastomer 18, to ensure the uniformity of 10 axial pre tightening force of the horizontal stage electric machine..Institute
It is the flexible rubber ring or spring being set on second end 126 to state elastomer 18, by the bullet of the material of flexible rubber ring itself
The decrement of property deformability and spring realizes the axial pre tightening force of motor shaft 12.Flexible rubber ring in present embodiment is soft
Elastomeric material, the spring are the less spring of rigidity.
Specifically, Fig. 4 is referred to, the first end 124 includes cylinder 1242 and location division 1244, the location division
1244 peripheries for being based in the cylinder 1242, the location division 1244 are described to realize for coordinating with the rotor assembly 11
Fixation between motor shaft 12 and the rotor assembly 11.Cooperation between the location division 1244 and the rotor assembly 11 is closed
System achieves the dynamic torque transmission of the horizontal stage electric machine 10.
Specifically, the rotor assembly 11 is provided with through hole and locating slot, and the locating slot is located at the periphery of the through hole,
The cylinder 1242 is contained in the through hole, and the location division 1244 is coordinated with the locating slot, to limit the motor shaft
Relatively rotate between 12 and the rotor assembly 11.
In present embodiment, the location division 1244 is projected from the periphery of the cylinder 1242 along radial direction prolongs
Stretch, the laminated structure in the perpendicular axle center in the motor shaft 12 in the location division 1244.
In present embodiment, the first end 124 also includes that excessive glue groove 1246, the excessive glue groove 1246 are located at the cylinder
Between 1242 and the axis body 122, the excessive glue groove 1246 is used for filling colloid to realize the motor shaft 12 with the rotor
Glued between component 11.Glued structure achieves the firm connection between motor shaft 12 and rotor assembly 11, has locking work
With.
The present invention horizontal stage electric machine 10 in described bearing 15 is removably connected fixed with described in the motor shaft 12
Between sub-component 13.
Embodiments described above, does not constitute the restriction to the technical scheme protection domain.Any in above-mentioned enforcement
Modification, equivalent and improvement that is made within the spirit and principle of mode etc., should be included in the protection model of the technical scheme
Within enclosing.
Claims (8)
1. a kind of horizontal stage electric machine, including rotor assembly, motor shaft and stator module, the motor shaft includes axis body and located at described
The first end at axis body two ends and the second end, the first end are fixedly attached to the rotor assembly, and the stator module is set in
Axis body periphery and rotated by a pair of bearings and be connected to the motor shaft, described to bearing respectively close to the first end with
Second end is arranged, it is characterised in that the horizontal stage electric machine also includes compressing member and elastomer, the compressing member and described the
Two ends coordinate so that the stator module is positioned at the motor shaft, the elastomer and a bearing gasket in the axial direction
Piece is arranged at the compressing member and between the bearing at second end jointly, and the axle pressed close to by the bearing shim
Hold, the elastomer is located between the bearing shim and the compressing member, the elastomer is produced by the compressing member
Raw elastic deformation, to ensure the uniformity of the horizontal stage electric machine axial pre tightening force.
2. horizontal stage electric machine as claimed in claim 1, it is characterised in that the compressing member is with second end with the shape of screw thread pair
Formula coordinates.
3. horizontal stage electric machine as claimed in claim 1, it is characterised in that the elastomer is the bullet being set on second end
Property cushion rubber or spring.
4. horizontal stage electric machine as claimed in claim 1, it is characterised in that the first end includes cylinder and location division, described fixed
Position portion is based in the periphery of the cylinder, and the location division is used for coordinating with the rotor assembly to realize the motor shaft and institute
State the fixation between rotor assembly.
5. horizontal stage electric machine as claimed in claim 4, it is characterised in that the rotor assembly is provided with through hole and locating slot, described
Locating slot is contained in the through hole located at the periphery of the through hole, the cylinder, and the location division is coordinated with the locating slot,
Relatively rotate between the motor shaft and the rotor assembly with being limited.
6. horizontal stage electric machine as claimed in claim 4, it is characterised in that the location division is from the periphery of the cylinder along footpath
Extend to direction is prominent, the laminated structure in the perpendicular axle center in the motor shaft in the location division.
7. horizontal stage electric machine as claimed in claim 6, it is characterised in that the first end also includes excessive glue groove, the excessive glue groove
It is located between the cylinder and the axis body, the excessive glue groove is used for filling colloid to realize the motor shaft with the rotor set
Glued between part.
8. horizontal stage electric machine as claimed in claim 1, it is characterised in that described bearing is removably connected in the motor shaft
Between the stator module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611038578.1A CN106505785A (en) | 2016-11-23 | 2016-11-23 | Horizontal stage electric machine and head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611038578.1A CN106505785A (en) | 2016-11-23 | 2016-11-23 | Horizontal stage electric machine and head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106505785A true CN106505785A (en) | 2017-03-15 |
Family
ID=58327883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611038578.1A Pending CN106505785A (en) | 2016-11-23 | 2016-11-23 | Horizontal stage electric machine and head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106505785A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107181347A (en) * | 2017-07-07 | 2017-09-19 | 昊翔电能运动科技(昆山)有限公司 | Motor and head support |
-
2016
- 2016-11-23 CN CN201611038578.1A patent/CN106505785A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107181347A (en) * | 2017-07-07 | 2017-09-19 | 昊翔电能运动科技(昆山)有限公司 | Motor and head support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170315 |