CN205090152U - Position shafting structure - Google Patents
Position shafting structure Download PDFInfo
- Publication number
- CN205090152U CN205090152U CN201520737004.8U CN201520737004U CN205090152U CN 205090152 U CN205090152 U CN 205090152U CN 201520737004 U CN201520737004 U CN 201520737004U CN 205090152 U CN205090152 U CN 205090152U
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- Prior art keywords
- bearing
- main shaft
- axle structure
- motor
- azimuth axle
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Abstract
The utility model discloses a position shafting structure, include shell, position main shaft, motor, base bearing, auxiliary bearing, bearing frame, encoder and lead electrical slip ring, wherein, the position main shaft sets up position shafting structure's middle part and with lead electrical slip ring and be connected, it installs to lead electrical slip ring it is downthehole in the position main shaft is hollow to overlap the installation with of the saying motor at axial direction, the base bearing with auxiliary bearing all sets up on the position main shaft, the position main shaft passes the middle part of motor.
Description
Technical field
The utility model relates to a kind of structure of axle, particularly a kind of azimuth axle structure.
Background technique
Turntable, as a kind of Emulator, is used for the attitude motion such as driftage, pitching, rolling of simulated flight device, is widely used in the field such as Aeronautics and Astronautics, navigation.Rotary axis is the important component part of turntable, determines quality weight and the volume size of turntable stage body.For being used in aviation field, make the turntable hung and fly to test, General Requirements volume is little, lightweight.This just proposes very high requirement to the structural design of rotary axis, needs by conceiving cleverly, takes a series of effective method, reaches little, the lightweight requirement of volume.
Model utility content
The technical solution of the utility model is: a kind of azimuth axle structure, comprise shell, orientation main shaft, motor, main bearing, auxiliary bearing, bearing support, encoder and conducting slip ring, wherein, described orientation main shaft is arranged on the middle part of described azimuth axle structure and is connected with conducting slip ring, described conducting slip ring is arranged in the endoporus of described orientation main shaft hollow, and install axial direction is overlapping with said motor, described main bearing and described auxiliary bearing are all arranged on described orientation main shaft, and described orientation main shaft is through the middle part of described motor.
Further, the material of described main shaft and described shell is superduralumin LC4.
Further, described main bearing and described auxiliary bearing are angular contact ball bearing.
Further, described motor is the direct current torque motor of heavy caliber flat pattern.
Further, described encoder is arranged in the middle part of the endoporus of described orientation main shaft, installs axial direction is overlapping with bearing.
Further, encoder cover is had in the axial arranged outside of described encoder.
Further, described auxiliary bearing is arranged in described bearing support.
Further, described azimuth axle structure also comprises outer race gland, and it is as the fixed base of motor stator.
Further, bearing inner ring back-up ring and outer race back-up ring is provided with in the radial direction at described auxiliary bearing.
The beneficial effects of the utility model:
1, volume is little, lightweight, and after each component and electric elements install coupling mutually, between component, axis and radial clearance only have 0.5 ~ 2mm in relative rotation, reduces boundary dimension and the weight of azimuth axle to greatest extent.
2, structural design is compact, Curve guide impeller, thus realizes multiple parts multiple purposes of part.
3, there is enough rigidity, meet the precision under turntable moving condition.
Other features and advantages of the utility model will be set forth in the following description, and, partly become apparent from specification, or understand by implementing the utility model.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further illustrated.
Fig. 1 is azimuth axle topology layout schematic diagram
Fig. 2 is housing profile figure
Fig. 3 is orientation main shaft outline drawing
In figure: 1, shell; 2, outer race gland; 3, main bearing; 4, bearing gland; 5, orientation main shaft; 6, encoder; 7, encoder cover 8, bearing support; 9, auxiliary bearing; 10, conducting slip ring; 11, bearing inner ring back-up ring; 12, outer race back-up ring; 13, motor.
Embodiment
Below in conjunction with accompanying drawing, to this orientation shafting structure in the utility model, its concrete structure, feature are described in detail as follows:
As Figure 1-3, a kind of azimuth axle structure, this structure comprises shell 1, outer race gland 2, main bearing 3, bearing gland 4, orientation main shaft 5, encoder 6, encoder cover 7, bearing support 8, auxiliary bearing 9, conducting slip ring 10, bearing inner ring back-up ring 11, outer race back-up ring 12 and motor 13.
Shell 1 and orientation main shaft 5 are two important parts in azimuth axle, and the quality of its rigidity plays very important effect to the running accuracy of azimuth axle and turret systems general requirement.Therefore elect the material of shell and orientation main shaft as superduralumin LC4 during design, and take serial of methods to improve the rigidity of shell and orientation main shaft, ensure the running accuracy of axle system.Orientation main shaft 5 is arranged on the position of hollow in the middle part of shell 1.
Orientation main shaft 5 is connected with conducting slip ring 10 at the middle part of azimuth axle.Conducting slip ring is the element ensureing azimuth axle continuous rotation.Conducting slip ring 10 requires to be arranged on rotating shaft center and concentric with running shaft.In order to reduce axial dimension, slip ring 10 being arranged in the endoporus of orientation main shaft 5 hollow, installing axial direction is overlapping with heavy caliber motor.Like this, both shorten axial dimension, and facilitated again slip ring to dismantle and safeguard, meet 360 ° of continuous rotations and the requirement as far as possible reducing physical dimension.
In addition, orientation main shaft 5 is coaxial with motor 13, with the middle part being arranged on motor 13.Motor is the driving element that axle system rotates, and the direct current torque motor of heavy caliber flat pattern elected as by motor.Utilize the space that motor stator is thinner than rotor axial size, by outer race gland as motor stator fixed base.A part multiple use, had both shortened axial dimension and had again reduced cost of production.
The axial position of orientation main shaft 5 is also provided with main bearing 3 and auxiliary bearing 9.Auxiliary bearing 9 is arranged in bearing support 8.Bearing is the important component part ensureing axle system running accuracy, and two diagonal angle contact ball bearings of surperlight type thin-walled form elected as by bearing, and grade of accuracy is P2.The thickness of maximum bearing is also not more than 10mm, and weight only has about 0.5Kg.This thin-wall bearing can be saved space, reduce weight, significantly reduces friction, and provides good running accuracy.When not affecting bearing performance and working life, using thin-wall bearing, the outside dimensions of design can be reduced and reduce cost of production.The larger angular contact ball bearing of a pair of paired mounting elected as by the bearing playing main support effect, ensure that integral rigidity and the running accuracy of axle system.In addition, the position that axle system is suitable there is also mounted the angular contact ball bearing of less a pair of supplemental support effect, enhanced the antidumping performance of axle system, meet the requirement of axle system rotating accuracy.
In this square shaft shafting structure, also there is encoder 6 in addition, be axially also provided with encoder cover 7 at square shaft shafting structure.Encoder is the feedback elements of azimuth axle, elects the absolute type encoder of Reinshaw company as.The endoporus being arranged on orientation main shaft hollow is inner, installs axial direction is overlapping, effectively can shorten axial dimension like this with bearing.Coding mask, read head are installed within closed cover, both dust-proof, anti-collision, safe, attractive in appearance again.
Assembly process: first main bearing 3 is installed on orientation main shaft 5, then loads onto bearing gland 4, and take diagonal angle interleaved mode to tighten screw, guarantee that bearing gland 4 vertically compresses bearing inner ring end face.Then, in overall threading shell 1, with outer race gland (motor stator fixed base) 2, outer shroud is compressed, ensure the running accuracy of main bearings.Load onto motor 13 subsequently, be screwed its rotor and stator respectively.Next load onto bearing support 8 and auxiliary bearing 9, then load onto bearing inner ring back-up ring 11 and outer race back-up ring 12 respectively and auxiliary bearing 9 is compressed be in place, strengthen the antidumping performance of axle system, meet the requirement of axle system rotating accuracy.Finally load conducting slip ring 10 and encoder 6, the upper encoder cover 7 of cover again, utilize the pore space of orientation main shaft 5 hollow, make that conducting slip ring 10 and encoder 6 are overlapping with motor 13 and main bearings 3 respectively in the axial direction to be installed, reduce the axial dimension of integral shaft system.
Claims (9)
1. an azimuth axle structure, it is characterized in that: comprise shell, orientation main shaft, motor, main bearing, auxiliary bearing, bearing support, encoder and conducting slip ring, wherein, described orientation main shaft is arranged on the middle part of described azimuth axle structure and is connected with conducting slip ring, described conducting slip ring is arranged in the endoporus of described orientation main shaft hollow, and install axial direction is overlapping with said motor, described main bearing and described auxiliary bearing are all arranged on described orientation main shaft, and described orientation main shaft is through the middle part of described motor.
2. a kind of azimuth axle structure according to claim 1, is characterized in that: the material of described main shaft and described shell is superduralumin LC4.
3. a kind of azimuth axle structure according to claim 1 and 2, is characterized in that: described main bearing and described auxiliary bearing are angular contact ball bearing.
4. a kind of azimuth axle structure according to claim 3, is characterized in that: described motor is the direct current torque motor of heavy caliber flat pattern.
5. a kind of azimuth axle structure according to claim 4, is characterized in that: described encoder is arranged in the middle part of the endoporus of described orientation main shaft, installs axial direction is overlapping with bearing.
6. a kind of azimuth axle structure according to claim 5, is characterized in that: have encoder cover in the axial arranged outside of described encoder.
7. a kind of azimuth axle structure according to claim 6, is characterized in that: described auxiliary bearing is arranged in described bearing support.
8. a kind of azimuth axle structure according to claim 7, is characterized in that: described azimuth axle structure also comprises outer race gland, and it is as the fixed base of motor stator.
9. a kind of azimuth axle structure according to claim 8, is characterized in that: be provided with bearing inner ring back-up ring and outer race back-up ring in the radial direction at described auxiliary bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520737004.8U CN205090152U (en) | 2015-09-22 | 2015-09-22 | Position shafting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520737004.8U CN205090152U (en) | 2015-09-22 | 2015-09-22 | Position shafting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205090152U true CN205090152U (en) | 2016-03-16 |
Family
ID=55480838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520737004.8U Active CN205090152U (en) | 2015-09-22 | 2015-09-22 | Position shafting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205090152U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107906133A (en) * | 2017-12-19 | 2018-04-13 | 天津市天门进保科技有限公司 | Dense ball shafting high-precision bearing main shaft |
| CN112178145A (en) * | 2020-08-31 | 2021-01-05 | 河北汉光重工有限责任公司 | Structure is eliminated to photoelectric rotary table azimuth axis horizontal beat |
-
2015
- 2015-09-22 CN CN201520737004.8U patent/CN205090152U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107906133A (en) * | 2017-12-19 | 2018-04-13 | 天津市天门进保科技有限公司 | Dense ball shafting high-precision bearing main shaft |
| CN112178145A (en) * | 2020-08-31 | 2021-01-05 | 河北汉光重工有限责任公司 | Structure is eliminated to photoelectric rotary table azimuth axis horizontal beat |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |