CN212672729U - Single-shaft precision test rotary table - Google Patents
Single-shaft precision test rotary table Download PDFInfo
- Publication number
- CN212672729U CN212672729U CN201821688408.2U CN201821688408U CN212672729U CN 212672729 U CN212672729 U CN 212672729U CN 201821688408 U CN201821688408 U CN 201821688408U CN 212672729 U CN212672729 U CN 212672729U
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- motor
- rotor
- stator
- fixedly connected
- slip ring
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Abstract
The utility model discloses a single-shaft precision test 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; 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 utility model provides a unipolar precision test revolving stage, this unipolar precision test revolving stage not only satisfy requirements such as measuring accuracy height, range of application are wide, and simple structure, maintenance change convenience have higher practical application and worth moreover.
Description
Technical Field
The utility model belongs to the technical field of the revolving stage, specifically speaking relates to a unipolar precision testing revolving stage.
Background
The photoelectric tracking system is a system for continuously tracking and measuring the track parameters of a moving target, the rotary table is a main component of the photoelectric tracking system, the photoelectric tracking system is usually continuously used in use, certain parts need to be quickly replaced when damaged so that the damaged parts are not influenced in use, the conventional rotary table is complex in structure and troublesome in part maintenance and replacement, particularly conductive slip rings in the rotary table are easy to damage, and the conductive slip rings in the conventional rotary table are basically arranged on a main shaft and are complex in replacement process so that the use of the photoelectric tracking system is influenced; in addition, with the development of the photoelectric tracking system, the turntable is required to have compact structure, small volume, strong load capacity, convenient transfer and convenient use on various devices.
SUMMERY OF THE UTILITY MODEL
To foretell not enough among the prior art, the utility model provides a unipolar precision test revolving stage, this unipolar precision test revolving stage not only satisfy requirements such as measuring accuracy height, range of application are wide, and simple structure, maintenance change convenience have higher practical application and worth moreover.
In order to achieve the above object, the utility model discloses a solution is: a single-shaft precision test 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 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.
Furthermore, the single-shaft precision testing turntable further comprises a first bearing, the slip ring rotor is fixedly connected with an inner ring of the first bearing, and the slip ring stator is fixedly connected with an outer ring of the first bearing.
Further, the motor is still including motor support, motor stator and motor support fixed connection, and motor support is including fixed connection's first connecting portion, second connecting portion and third connecting portion in proper order, first connecting portion and sliding ring stator fixed connection, second connecting portion and axle bed fixed connection, and the third connecting portion rotates with electric motor rotor to be connected.
Further, the supporting seat bottom is inwards convexly provided with a first step part, the supporting seat top is outwards convexly provided with a second step part, the first step part is fixedly connected with the motor rotor, and the second step part is fixedly connected with the sliding ring rotor.
Further, the encoder rotor is fixedly connected with the first step portion, the second step portion is fixedly connected with a load, and the load is rotatably connected with the main shaft.
Furthermore, a second bearing is arranged between the load and the main shaft and 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 rotatably connected with the load.
Further, the end part of the main shaft is provided with a limiting assembly used for limiting the axial movement of the load, and the limiting assembly is fixedly connected with the inner ring of the second bearing.
Further, the first bearing is a high-precision bearing.
The utility model has the advantages that:
(1) the single-shaft precision test turntable of the utility model has the advantages that the conductive slip ring is positioned at the outermost periphery of the whole equipment, when the conductive slip ring breaks down, the conductive slip ring can be quickly disassembled and replaced, and the slip ring part does not need to be reached through the layer-by-layer disassembly, thereby greatly reducing the maintenance time and reducing the influence on the operation of the photoelectric tracking system;
(2) the utility model discloses a unipolar precision test revolving stage, electrically conductive sliding ring and high-accuracy bearing set up as an organic wholely, the size of the whole device that has significantly reduced for this test revolving stage is small, is convenient for shift, can be applied to multiple occasion.
Drawings
Fig. 1 is a schematic structural view of a single-shaft precision test turntable of the present invention;
fig. 2 is a sectional view of the motor bracket of the present invention;
fig. 3 is a sectional view of the supporting seat of the present invention.
In the drawings:
11-main shaft, 12-shaft seat, 21-motor stator, 22-motor rotor, 23-motor support, 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 support, 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 and 80-load.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention are clearly and completely described below, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The invention is further described below with reference to the accompanying drawings:
as shown in figures 1-3: the utility model provides a single-shaft precision test turntable which is applied to a photoelectric 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 spindle 11 extends downwards to form a spindle seat 12, and the motor stator 21 is fixedly sleeved on the spindle 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, the encoder stator 41 is fixedly sleeved on the spindle 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 located on the outermost periphery of the rotary table, and when the conductive slip ring breaks down, the conductive slip ring can be replaced quickly.
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 a signal, 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 the collected information to the processing system and transmit the feedback information to the photoelectric tracker; further, the encoder rotor 42 fixedly connected to the motor rotor 22 rotates in synchronization with the photoelectric tracker, and the encoder detects the rotational speed, position, acceleration, and the like of the photoelectric tracker in real time.
This unipolar precision test revolving stage is still including first bearing, the inner ring fixed connection of sliding ring rotor 32 and first bearing, sliding ring stator 31 and the outer loop fixed connection of first bearing, and in this embodiment, first bearing is high-accuracy bearing, and first bearing establishes as an organic wholely with electrically conductive sliding ring, has saved equipment structure size greatly for the revolving stage is small, is convenient for be applied to in various photoelectric tracking systems such as on-vehicle, shipborne, machine year.
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 connection portion 23a, a second connection portion 23b, and a third connection portion 23c that are sequentially and fixedly connected to each other, the first connection portion 23a is fixedly connected to the slip ring stator 31, the second connection portion 23b is fixedly connected to the shaft seat 12, and the third connection portion 23c is rotatably connected to the motor rotor 22. Through the structural arrangement of the motor bracket 23, the rotary connection of the motor rotor 22 and the motor stator 21, the fixed connection of the motor stator 21 and the shaft seat 12 and the fixed connection of the motor stator 21 and the slip ring stator 31 can be realized at the same time.
In this embodiment, the bottom of the supporting seat 70 is provided with a first step portion 71 protruding inwards, the top of the supporting seat 70 is provided with a second step portion 72 protruding outwards, the first step portion 71 is fixedly connected with the motor rotor 22, and the second step portion 72 is fixedly connected with the slip ring rotor 32. The first step 71 and the second step 72 function to fixedly connect the motor rotor 22 and the slip ring rotor 32.
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 main shaft 11. The first step 71 is used to fixedly connect the encoder rotor 42 to the motor rotor 22, and the second step 72 is used to fixedly connect the load 80 to the motor rotor 22.
In this embodiment, a second bearing 51 is disposed between the load 80 and the main shaft 11, the second bearing 51 is located at an end of the main shaft 11, an inner ring of the second bearing 51 is fixedly connected to the main shaft 11, and an outer ring of the second bearing 51 is rotatably connected to the load 80. The friction force of the load 80 rotating around the main shaft 11 is reduced by the action of the second bearing 51.
In this embodiment, 11 tip of main shaft is provided with the spacing subassembly that is used for injecing load 80 axial motion, and spacing subassembly includes limiting plate 61 and fastening nut 62, and 11 tip of main shaft is provided with the screw rod section, fastening nut 62 and screw rod section screw-thread fit for limiting plate 61 and second bearing 51 inner ring fixed connection realize spacing to the axial of load 80.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same, and although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it is to be understood that modifications may be made to the above-described arrangements in the embodiments or equivalents may be substituted for some of the features of the embodiments without departing from the spirit or scope of the present invention.
Claims (8)
1. The utility model provides a unipolar precision testing revolving stage which characterized by: 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.
2. The single-axis precision testing turret of claim 1, wherein: the slip ring rotor is fixedly connected with an inner ring of the first bearing, and the slip ring stator is fixedly connected with an outer ring of the first bearing.
3. The single-axis precision testing turret of claim 1, wherein: the motor is characterized by further comprising a motor support, the motor stator is fixedly connected with the motor support, the motor support comprises a first connecting portion, a second connecting portion and a third connecting portion which are fixedly connected in sequence, the first connecting portion is fixedly connected with the sliding ring stator, the second connecting portion is fixedly connected with the shaft seat, and the third connecting portion is rotatably connected with the motor rotor.
4. The single-axis precision testing turret of claim 1, wherein: the motor rotor is characterized in that a first step part is arranged at the bottom of the supporting seat in an inward protruding mode, a second step part is arranged at the top of the supporting seat 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 sliding ring rotor.
5. The single-axis precision testing turret of claim 4, wherein: the encoder rotor is fixedly connected with the first step portion, the second step portion is fixedly connected with a load, and the load is rotatably connected with the main shaft.
6. The single-axis precision testing turret of claim 5, wherein: and 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 rotatably connected with the load.
7. The single-axis precision testing turret of claim 6, wherein: the end part of the main shaft is provided with a limiting assembly used for limiting the axial movement of the load, and the limiting assembly is fixedly connected with the inner ring of the second bearing.
8. The single-axis precision testing turret of claim 2, wherein: the first bearing is a high-precision bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821688408.2U CN212672729U (en) | 2018-10-17 | 2018-10-17 | Single-shaft precision test rotary table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821688408.2U CN212672729U (en) | 2018-10-17 | 2018-10-17 | Single-shaft precision test rotary table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212672729U true CN212672729U (en) | 2021-03-09 |
Family
ID=74809891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821688408.2U Expired - Fee Related CN212672729U (en) | 2018-10-17 | 2018-10-17 | Single-shaft precision test rotary table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212672729U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113738768A (en) * | 2021-08-03 | 2021-12-03 | 九江精密测试技术研究所 | High-precision simplified shafting structure suitable for inverted rotary table |
-
2018
- 2018-10-17 CN CN201821688408.2U patent/CN212672729U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113738768A (en) * | 2021-08-03 | 2021-12-03 | 九江精密测试技术研究所 | High-precision simplified shafting structure suitable for inverted rotary table |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210309 Termination date: 20211017 |
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| CF01 | Termination of patent right due to non-payment of annual fee |