CN109357111B - Single-shaft precision testing rotary table - Google Patents
Single-shaft precision testing rotary table Download PDFInfo
- Publication number
- CN109357111B CN109357111B CN201811210628.9A CN201811210628A CN109357111B CN 109357111 B CN109357111 B CN 109357111B CN 201811210628 A CN201811210628 A CN 201811210628A CN 109357111 B CN109357111 B CN 109357111B
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- China
- Prior art keywords
- motor
- rotor
- fixedly connected
- slip ring
- stator
- Prior art date
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- 238000012360 testing method Methods 0.000 title claims abstract description 22
- 238000012546 transfer Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/08—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a vertical axis, e.g. panoramic heads
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a single-shaft precision testing turntable, which comprises a main shaft, a conductive slip ring, an encoder, a supporting seat and a motor for driving the supporting seat to rotate around the main shaft, wherein the main shaft is provided with a plurality of grooves; the motor comprises a motor rotor and a motor stator sleeved in the motor rotor, the main shaft extends downwards to form a shaft seat, and the motor stator is fixedly sleeved on the shaft seat; the conductive slip ring comprises a slip ring rotor and a slip ring stator, the slip ring rotor is fixedly sleeved on the motor rotor, and the slip ring stator is fixedly connected with the motor stator; the encoder comprises an encoder rotor and an encoder stator, wherein the encoder stator is fixedly sleeved on the main shaft, and the encoder rotor is fixedly connected with the motor rotor. The invention provides a single-shaft precision testing turntable which not only meets the requirements of high testing precision, wide application range and the like, but also has a simple structure, is convenient to maintain and replace and has higher practical application value.
Description
Technical Field
The invention belongs to the technical field of rotary tables, and particularly relates to a single-shaft precision testing rotary table.
Background
The photoelectric tracking system is a system for continuously tracking and measuring track parameters of a moving target, the turntable is a main component of the photoelectric tracking system, the photoelectric tracking system is always continuously used without interruption in use, when certain parts are damaged, the damaged parts are required to be quickly replaced so as not to be influenced, the existing turntable has a complex structure, the parts are difficult to maintain and replace, particularly, the conductive slip ring in the turntable is particularly easy to damage, and the conductive slip ring in the existing turntable is basically arranged on a main shaft, so that the replacement process is complex, and the use of the photoelectric tracking system is influenced; in addition, with the development of photoelectric tracking systems, the turntable is required to be compact in structure, small in size, high in load capacity, convenient to transfer and convenient to use on various devices.
Novel content
Aiming at the defects in the prior art, the invention provides the single-shaft precision testing turntable which not only meets the requirements of high testing precision, wide application range and the like, but also has a simple structure, is convenient to maintain and replace and has higher practical application value.
In order to achieve the above object, the present invention adopts the following solutions: a single-shaft precision testing turntable comprises a main shaft, a conductive slip ring, an encoder, a supporting seat and a motor for driving the supporting seat to rotate around the main shaft; the motor comprises a motor rotor and a motor stator sleeved in the motor rotor, the main shaft extends downwards to form a shaft seat, and the motor stator is fixedly sleeved on the shaft seat; the conductive slip ring comprises a slip ring rotor and a slip ring stator, the slip ring rotor is fixedly sleeved on the motor rotor, and the slip ring stator is fixedly connected with the motor stator; the encoder comprises an encoder rotor and an encoder stator, wherein the encoder stator is fixedly sleeved on the main shaft, and the encoder rotor is fixedly connected with the motor rotor.
Further, the single-shaft precision testing turntable further comprises a first bearing, the slip ring rotor is fixedly connected with the inner ring of the first bearing, and the slip ring stator is fixedly connected with the outer ring of the first bearing.
Further, the motor also comprises a motor support, the motor stator is fixedly connected with the motor support, the motor support comprises a first connecting part, a second connecting part and a third connecting part which are sequentially and fixedly connected, the first connecting part is fixedly connected with the slip ring stator, the second connecting part is fixedly connected with the shaft seat, and the third connecting part is rotationally connected with the motor rotor.
Further, the bottom of the supporting seat is provided with a first step part in an inward protruding mode, the top of the supporting seat is provided with a second step part in an outward protruding mode, the first step part is fixedly connected with the motor rotor, and the second step part is fixedly connected with the slip ring rotor.
Further, the encoder rotor is fixedly connected with the first step part, the second step part is fixedly connected with a load, and the load is rotationally connected with the main shaft.
Further, a second bearing is arranged between the load and the main shaft, the second bearing is positioned at the end part of the main shaft, an inner ring of the second bearing is fixedly connected with the main shaft, and an outer ring of the second bearing is rotationally connected with the load.
Further, the end part of the main shaft is provided with a limiting component used for limiting the axial movement of the load, and the limiting component is fixedly connected with the inner ring of the second bearing.
Further, the first bearing is a high-precision bearing.
The beneficial effects of the invention are as follows:
(1) According to the single-shaft precision test turntable, the conductive slip ring is positioned at the outermost periphery of the whole equipment, and can be quickly disassembled and replaced when the conductive slip ring fails, so that the slip ring part does not need to be disassembled layer by layer, the maintenance time is greatly shortened, and the influence on the operation of an photoelectric tracking system is reduced;
(2) The single-shaft precision testing turntable is integrated with the conductive slip ring and the high-precision bearing, so that the size of the whole device is greatly reduced, the testing turntable is small in size and convenient to transfer, and the single-shaft precision testing turntable can be applied to various occasions.
Drawings
FIG. 1 is a schematic view of a single axis precision test turret according to the present invention;
FIG. 2 is a cross-sectional view of a motor bracket of the present invention;
fig. 3 is a cross-sectional view of the support base of the present invention.
In the accompanying drawings:
11-main shaft, 12-shaft seat, 21-motor stator, 22-motor rotor, 23-motor bracket, 31-slip ring stator, 32-slip ring rotor, 41-encoder stator, 42-encoder rotor, 51-second bearing, 61-limiting plate, 62-fastening nut, 23-motor bracket, 23 a-first connecting part, 23 b-second connecting part, 23 c-third connecting part, 70-supporting seat, 71-first step part, 72-second step part, 80-load.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions in the present invention will be clearly and completely described below, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1-3: the invention provides a single-shaft precision testing turntable, which is applied to an optoelectronic tracking system and comprises a main shaft 11, a conductive slip ring, an encoder, a supporting seat 70 and a motor for driving the supporting seat 70 to rotate around the main shaft 11; the motor comprises a motor rotor 22 and a motor stator 21 sleeved in the motor rotor 22, the main shaft 11 extends downwards to form a shaft seat 12, and the motor stator 21 is fixedly sleeved on the shaft seat 12; the conductive slip ring comprises a slip ring rotor 32 and a slip ring stator 31, the slip ring rotor 32 is fixedly sleeved on the motor rotor 22, and the slip ring stator 31 is fixedly connected with the motor stator 21; the encoder comprises an encoder rotor 42 and an encoder stator 41, wherein the encoder stator 41 is fixedly sleeved on the main shaft 11, and the encoder rotor 42 is fixedly connected with the motor rotor 22. The slip ring rotor 32 is fixedly sleeved on the motor rotor 22, the conductive slip ring is positioned at the outermost periphery of the turntable, and when the conductive slip ring fails, the conductive slip ring can be quickly replaced.
In this embodiment, a load 80 is fixedly connected to the support base 70, the load 80 in this embodiment is a photoelectric tracker, the motor rotor 22 rotates to drive the support base 70 to rotate, the photoelectric tracker fixedly connected to the support base 70 rotates to collect signals, the slip ring rotor 32 fixedly connected to the motor rotor 22 rotates synchronously with the photoelectric tracking system, and the conductive slip ring can transmit collected information to the processing system and transmit feedback information to the photoelectric tracker; in addition, the encoder rotor 42 fixedly connected to the motor rotor 22 rotates in synchronization with the photo tracker, and the encoder detects the rotational speed, position, acceleration, etc. of the photo tracker in real time.
The single-shaft precision testing turntable further comprises a first bearing, the slip ring rotor 32 is fixedly connected with the inner ring of the first bearing, the slip ring stator 31 is fixedly connected with the outer ring of the first bearing, in the embodiment, the first bearing is a high-precision bearing, the first bearing and the conductive slip ring are integrated, the structural size of equipment is greatly saved, the turntable is small in size, and the turntable is convenient to be applied to various photoelectric tracking systems on vehicles, ships, machine carriers and the like.
In this embodiment, the motor further includes a motor support 23, the motor stator 21 is fixedly connected to the motor support 23, the motor support 23 includes a first connecting portion 23a, a second connecting portion 23b and a third connecting portion 23c that are sequentially and fixedly connected, the first connecting portion 23a is fixedly connected to the slip ring stator 31, the second connecting portion 23b is fixedly connected to the shaft seat 12, and the third connecting portion 23c is rotatably connected to the motor rotor 22. By this structural arrangement of the motor support 23, a rotational connection of the motor rotor 22 with the motor stator 21, a fixed connection of the motor stator 21 with the shaft socket 12 and a fixed connection of the motor stator 21 with the slip ring stator 31 can be achieved simultaneously.
In this embodiment, a first step portion 71 is provided at the bottom of the support base 70 in an inward protruding manner, a second step portion 72 is provided at the top of the support base 70 in an outward protruding manner, the first step portion 71 is fixedly connected to the motor rotor 22, and the second step portion 72 is fixedly connected to the slip ring rotor 32. The fixed connection of the motor rotor 22 and the slip ring rotor 32 is achieved by the action of the first step 71 and the second step 72.
In this embodiment, the encoder rotor 42 is fixedly connected to the first step portion 71, the second step portion 72 is fixedly connected to the load 80, and the load 80 is rotatably connected to the spindle 11. The encoder rotor 42 is fixedly connected to the motor rotor 22 by the first step portion 71, and the load 80 is fixedly connected to the motor rotor 22 by the second step portion 72.
In this embodiment, a second bearing 51 is disposed between the load 80 and the spindle 11, the second bearing 51 is located at the end of the spindle 11, the inner ring of the second bearing 51 is fixedly connected with the spindle 11, and the outer ring of the second bearing 51 is rotatably connected with the load 80. By the action of the second bearing 51, the frictional force of the load 80 rotating around the spindle 11 is reduced.
In this embodiment, the end of the main shaft 11 is provided with a limiting component for limiting the axial movement of the load 80, the limiting component includes a limiting plate 61 and a fastening nut 62, the end of the main shaft 11 is provided with a screw section, and the fastening nut 62 is in threaded engagement with the screw section, so that the limiting plate 61 is fixedly connected with the inner ring of the second bearing 51, and the axial limitation of the load 80 is realized.
Finally, it should be noted that: the above embodiments are only for illustrating the technical aspects of the present invention, not for limiting the same, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may be modified or some technical features may be replaced with other technical solutions, which may not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (5)
1. A single-shaft precision testing rotary table is characterized in that: the device comprises a main shaft, a conductive slip ring, an encoder, a supporting seat and a motor for driving the supporting seat to rotate around the main shaft;
the motor comprises a motor rotor and a motor stator sleeved in the motor rotor, the spindle extends downwards to form a shaft seat, and the motor stator is fixedly sleeved on the shaft seat;
the conductive slip ring comprises a slip ring rotor and a slip ring stator, the slip ring rotor is fixedly sleeved on the motor rotor, and the slip ring stator is fixedly connected with the motor stator;
the encoder comprises an encoder rotor and an encoder stator, the encoder stator is fixedly sleeved on the main shaft, and the encoder rotor is fixedly connected with the motor rotor;
the motor also comprises a motor support, the motor stator is fixedly connected with the motor support, the motor support comprises a first connecting part, a second connecting part and a third connecting part which are sequentially and fixedly connected, the first connecting part is fixedly connected with the slip ring stator, the second connecting part is fixedly connected with the shaft seat, and the third connecting part is rotationally connected with the motor rotor;
the bottom of the supporting seat is internally provided with a first step part in a protruding way, the top of the supporting seat is externally provided with a second step part in a protruding way, the first step part is fixedly connected with the motor rotor, and the second step part is fixedly connected with the slip ring rotor;
the encoder rotor is fixedly connected with the first step part, the second step part is fixedly connected with a load, and the load is rotationally connected with the main shaft.
2. The single axis precision test turret of claim 1, wherein: the rotor of the slip ring is fixedly connected with the inner ring of the first bearing, and the stator of the slip ring is fixedly connected with the outer ring of the first bearing.
3. The single axis precision test turret of claim 1, wherein: a second bearing is arranged between the load and the main shaft, the second bearing is positioned at the end part of the main shaft, an inner ring of the second bearing is fixedly connected with the main shaft, and an outer ring of the second bearing is rotationally connected with the load.
4. A single axis precision test turret as claimed in claim 3 wherein: the end part of the main shaft is provided with a limiting component used for limiting the axial movement of the load, and the limiting component is fixedly connected with the inner ring of the second bearing.
5. The single axis precision test turret of claim 2, wherein: the first bearing is a high-precision bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811210628.9A CN109357111B (en) | 2018-10-17 | 2018-10-17 | Single-shaft precision testing rotary table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811210628.9A CN109357111B (en) | 2018-10-17 | 2018-10-17 | Single-shaft precision testing rotary table |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109357111A CN109357111A (en) | 2019-02-19 |
| CN109357111B true CN109357111B (en) | 2023-08-18 |
Family
ID=65349587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811210628.9A Active CN109357111B (en) | 2018-10-17 | 2018-10-17 | Single-shaft precision testing rotary table |
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| Country | Link |
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| CN (1) | CN109357111B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112629559B (en) * | 2020-12-11 | 2022-06-10 | 中国航空工业集团公司北京航空精密机械研究所 | Single-degree-of-freedom dynamic simulation equipment for inertial measurement unit test |
| CN114216481A (en) * | 2021-12-01 | 2022-03-22 | 九江精密测试技术研究所 | Single-shaft speed and position rotary table capable of conveniently replacing slip ring |
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| JP2001289394A (en) * | 2000-04-07 | 2001-10-19 | Japan Servo Co Ltd | Rotary electric machine having coaxial output hollow shaft speed reducer with slip ring |
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| CN104482950A (en) * | 2014-12-30 | 2015-04-01 | 中国科学院长春光学精密机械与物理研究所 | Vehicle-mounted integrated tracking rotary table |
| CN104690562A (en) * | 2015-01-29 | 2015-06-10 | 齐重数控装备股份有限公司 | Large-sized main shaft direct-drive type rotary worktable structure |
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2018
- 2018-10-17 CN CN201811210628.9A patent/CN109357111B/en active Active
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|---|---|---|---|---|
| JP2001289394A (en) * | 2000-04-07 | 2001-10-19 | Japan Servo Co Ltd | Rotary electric machine having coaxial output hollow shaft speed reducer with slip ring |
| CN1851428A (en) * | 2006-04-30 | 2006-10-25 | 北京航空航天大学 | Torque test air support rotating platform for control torque gyro |
| CN101480778A (en) * | 2009-01-24 | 2009-07-15 | 苏州江南电梯(集团)有限公司 | Direct driving type accurate turn plate |
| KR101496426B1 (en) * | 2014-07-17 | 2015-03-02 | (주)오로스 테크놀로지 | Rotary table apparatus |
| CN203993160U (en) * | 2014-08-02 | 2014-12-10 | 成都科华重型轴承有限公司 | For the precision rotating device of jumbo |
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| Publication number | Publication date |
|---|---|
| CN109357111A (en) | 2019-02-19 |
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