CN205879132U - Inferior rad level angle measurement device - Google Patents
Inferior rad level angle measurement device Download PDFInfo
- Publication number
- CN205879132U CN205879132U CN201620778968.1U CN201620778968U CN205879132U CN 205879132 U CN205879132 U CN 205879132U CN 201620778968 U CN201620778968 U CN 201620778968U CN 205879132 U CN205879132 U CN 205879132U
- Authority
- CN
- China
- Prior art keywords
- bearing
- feedback system
- workbench
- mandrel
- measuring equipment
- 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.)
- Active
Links
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Abstract
The utility model provides an inferior rad level angle measurement device, workstation in the device is located the bearing top, and feedback system is located the bearing below. Be provided with axial supporting clearance between workstation and the bearing. Code wheel immobilization connection with workstation immobilization connection, among lower extreme and the feedback system on the dabber. Be provided with a radial supporting clearance between dabber and the bearing. Driving motor and bearing immobilization connection. The reading head among the feedback system and the bottom surface immobilization connection of bearing. The controller respectively with reading head, driver, industrial computer electric connection. The driver respectively with the driving motor electric connection. The utility model is suitable for a device angles such as the multiaspect arris body, multiple tooth dividing table, circle grating, optical scale are measured, use extensively, and closed loop stable state precision is high, has good repeatability, convenient operation, simple.
Description
Technical field
This utility model belongs to high precision angle-measuring technical field, is specifically related to a kind of sub-rad level angle-measuring equipment.
Background technology
Angular surveying is the important component part of geometric sense measurement technology, currently mainly has following a few class angle-measuring method: machine
Tool angle-measuring method, electromagnetism angle-measuring method, optics angle-measuring method and photoelectric measuring horn cupping etc..Mechanical measurement method with multiteeth indexing table as representative, its
Simple in construction, low cost, but it is usually present that equipment volume is big, can not measure shortcoming at any angle；Electromagnetism angle-measuring method with
Inductosyn is representative, and its speed of service is fast, reliable and stable, but there is, assembly precision requirement high with the system under test (SUT) degree of coupling
High shortcoming；Optics angle-measuring method is with laser interference clinometer and photoelectric auto-collimator as representative, and it has high accuracy, non-contacting
Advantage, but there is the shortcoming that light path is complicated, measurable angle range is little simultaneously；Photoelectric measuring horn cupping is with optical code disc type sensor angle measurement and figure
As sensor angle measurement is representative, both of which is widely used, but the former exists the shortcoming that angle resolution is limited, and the latter then deposits
Shortcoming poor at environmental suitability, that field adjustable is complicated.
The Chinese patent of entitled one " Dynamic High-accuracy angle-measuring equipment and method " (notification number: CN 105091844 A)
Provide a kind of based on height segmentation space Four-frequency differential ring laser gyroscope, with in the unit interval angle step export high-precision
Degree dynamic angle measurer, the angle measurement accuracy of this device is high, and dynamic range is big, to tested carrier no-backs square effect, it is adaptable to right
The dynamic characteristic of rotating shaft carries out high-precision measurement, but cannot meet static angular measurement requirement.Entitled " angle-measuring equipment " is (public
Accuse number: Chinese patent CN 1936505 A) provide a kind of rule-based signal generating element, irregular generating device turn
Moving device and for obtaining the angle-measuring equipment of the sensor of signal, this device can conveniently carry out angular surveying, suitable
Strong by property, but it is the highest to measure system accuracy.
Summary of the invention
The purpose of this utility model is to provide a kind of sub-rad level angle-measuring equipment, and this utility model disclosure satisfy that high accuracy angle
Degree test, has high rotating accuracy and axial precision, and resolution is high, angle measurement accuracy is high, temperature coefficient is little, measuring object should
With extensively.
The technical solution of the utility model is as follows:
Sub-rad level angle-measuring equipment of the present utility model, is characterized in, described angle-measuring equipment include several driving motor,
Workbench, mandrel, feedback system, bearing, angular display unit, driver, controller, industrial computer.Wherein, feedback system contains
Code-disc and read head.Its annexation is, described workbench is positioned at above a bearing, and feedback system is positioned at below a bearing.
It is provided with an axial supported clearance between workbench and a bearing.Mandrel is positioned at the center of a bearing, mandrel upper end and workbench
Being fixedly connected, lower end is fixedly connected with the code-disc in feedback system.It is provided with a radial support gap between mandrel and a bearing.
Prop up and in bearing, be provided with driving motor, drive motor to be fixedly connected with a bearing.Read head in feedback system and a bearing
Bottom surface is fixedly connected.Controller electrically connects with read head, driver, industrial computer respectively.Driver respectively with drive motor Electricity Federation
Connect；Measurand is placed on workbench, and electrically connects with angular display unit.
It is 2～4 that described driving motor arranges quantity, is distributed on around workbench, is used for driving work table rotation
Motion.
The central axis of described measurand, mandrel center of rotation axle for being coaxially disposed.
Described axial supported clearance, radial support gap use air as supporting medium.
The code-disc central axis of described feedback system, mandrel center of rotation axle for being coaxially disposed.
Measurand in this utility model can be polygon, multiteeth indexing table, Circular gratings, optical circle angularly
One in device.
When measurand is polygon or multiteeth indexing table, angular display unit uses photoelectric auto-collimator.
When measurand is Circular gratings, angular display unit uses Moire fringe read head.
When measurand is optical circle, angular display unit uses photoelectric microscope.
Static air pressure supporting is used so that whole axle system realizes high-precision between workbench and a bearing in this utility model
Degree rotates, it is thus achieved that higher rotating accuracy and axial precision.
Driving motor in this utility model can be piezoelectric ceramic motor, torque motor or servomotor.
When described driving motor uses piezoelectric ceramic motor, drive and pass through friction-driven between motor and workbench.
When described driving motor uses torque motor or servomotor, drive and pass through electromagnetism between motor and workbench
Drive.
Feedback system in this utility model is by signal Real-time Feedback to controller, controller and industrial computer communication, simultaneously
Sending control signals to driver, driver control drives motor to make system rotate to specifying position.
The beneficial effects of the utility model are, use superhigh precision static air pressure axle system, have high rotating accuracy and
Axially precision；When using nanoscale friction-driven, the feedback system using high graduating accuracy, high power to segment, there is resolution
The advantages such as high, angle measurement accuracy height, temperature coefficient are little；This utility model is applicable to polygon, Circular gratings, code-disc, multiple tooth indexing
The design factors such as platform are measured, and are widely used, and closed loop stable state accuracy is high, has excellent repeatable accuracy, convenient and simple for operation, tool
There is preferably actual application value.
Accompanying drawing explanation
Fig. 1 is a kind of sub-rad level angle-measuring equipment structural representation of the present utility model；
In figure, 1. drive motor 3. workbench 4. measurand 5. 8. bearings of mandrel 7. code-disc 9. jiaos
Degree display 10. driver 11. controller 12. industrial computer 13. read head.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment describes this utility model content in detail.
Following example are merely to illustrate this utility model, and are not limitation of the utility model.Relevant technical field
Personnel in the case of without departing from spirit and scope of the present utility model, it is also possible to make a variety of changes, replace and modification, because of
This equal technical scheme falls within category of the present utility model.
Embodiment 1
Fig. 1 is a kind of sub-rad level angle-measuring equipment structural representation of the present utility model.In FIG, of the present utility model
Sub-rad level high precision angle measuring apparatus includes driving motor 1, workbench 3, mandrel 5, feedback system, bearing 8, angular display unit
9, driver 10, controller 11, industrial computer 12.Wherein, feedback system contains code-disc 7 and read head 13.Its annexation is, institute
The workbench 3 stated is positioned at above a bearing 8, and feedback system is positioned at below a bearing 8.It is provided with between workbench 3 and a bearing 8
One axial supported clearance.Mandrel 5 upper end is fixedly connected with workbench 3, and lower end is fixedly connected with the code-disc 7 in feedback system.Core
Axle 5 is positioned at the center of a bearing 8, is provided with a radial support gap between mandrel 5 and a bearing 8.Prop up to be provided with in bearing 8 and drive
Galvanic electricity machine, drives motor 1 to be fixedly connected with a bearing 8.Read head 13 in feedback system is fixing connection with the bottom surface of a bearing 8
Connect.Controller 11 electrically connects with read head 13, driver 10, industrial computer 12 respectively.Driver 10 respectively with drive motor 1 Electricity Federation
Connect.Measurand 4 is placed on workbench 3, and electrically connects with angular display unit 9.
The described central axis of measurand 4, the center of rotation axle of mandrel 5 are for being coaxially disposed.
Described axial supported clearance, radial support gap use air as supporting medium so that whole axle system realizes
High-precision rotary, it is thus achieved that higher rotating accuracy and axial precision.
The central axis of code-disc 7 of described feedback system, mandrel 5 center of rotation axle for being coaxially disposed.
In the present embodiment, it is four that described driving motor arranges quantity, is distributed on workbench 3 around, drives motor 1
For one of them, motor is driven to be used for driving workbench 3 gyration.
Signal Real-time Feedback to controller 11, controller 11 are led to by the feedback system in this utility model with industrial computer 12
Letter, sends control signals to driver 10 simultaneously, and driver 10 controls to drive motor 1 to make system rotate to specifying position.
In the present embodiment, measurand 4 is polygon；Angular display unit 9 uses photoelectric auto-collimator；Drive motor 1
Use piezoelectric ceramic motor, between piezoelectric ceramic motor and workbench 3, pass through friction-driven.
In the present embodiment, the angle precision of one piece of 0 grade of 36 polygon is detected.Implementing step is:
1. Asia rad level high precision angle measuring apparatus is arranged on a vibrating isolation foundation.
2. adjust polygon centre of gyration axis and angle-measuring equipment centre of gyration axis so that it is deviation is not more than 0.002
mm。
3. adjust photoelectric auto-collimator, make the beam center of photoelectric auto-collimator outgoing directional light work with polygon
Face center superposition, the optical axis is perpendicular to rib body running face and center superposition.
4. press the adjacent surface sub-degree angle rotation angle measurement device detection polygon of polygon.
Embodiment 2
The present embodiment is identical with the structure of embodiment 1, is a difference in that, measurand 4 is Circular gratings；Angular display unit 9
Use Moire fringe read head；Drive motor 1 to use torque motor, between torque motor and workbench 3, pass through Electromagnetic Drive.
Claims (5)
1. a sub-rad level angle-measuring equipment, it is characterised in that described angle-measuring equipment includes several driving motor (1), work
Platform (3), mandrel (5), feedback system, bearing (8), display (9), driver (10), controller (11), industrial computer (12)；
Wherein, feedback system contains code-disc (7) and read head (13)；Its annexation is, described workbench (3) is positioned at a bearing
(8) top, feedback system is positioned at bearing (8) lower section；It is provided with between workbench (3) and a bearing (8) between an axial supporting
Gap；Mandrel (5) is positioned at the center of a bearing (8), and mandrel (5) upper end is fixedly connected with workbench (3), in lower end and feedback system
Code-disc (7) be fixedly connected；It is provided with a radial support gap between mandrel (5) and a bearing (8)；Prop up the upper setting of bearing (8)
There is driving motor (1), drive motor (1) to be fixedly connected with a bearing (8)；Read head (13) in feedback system and a bearing
(8) bottom surface is fixedly connected；Controller (11) electrically connects with read head (13), driver (10), industrial computer (12) respectively；Drive
Device (10) electrically connects with driving motor (1) respectively；Measurand (4) is placed on workbench (3), and electrically connects with display (9).
Sub-rad level angle-measuring equipment the most according to claim 1, it is characterised in that described driving motor (1) arranges number
Amount is 2～4, is distributed on workbench (3) around, is used for driving workbench (3) gyration.
Sub-rad level angle-measuring equipment the most according to claim 1, it is characterised in that the center of described measurand (4)
Axis, mandrel (5) center of rotation axle for being coaxially disposed.
Sub-rad level angle-measuring equipment the most according to claim 1, it is characterised in that described axial supported clearance, radially
Supported clearance uses air as supporting medium.
Sub-rad level angle-measuring equipment the most according to claim 1, it is characterised in that the code-disc (7) of described feedback system
Central axis, mandrel (5) center of rotation axle for being coaxially disposed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620778968.1U CN205879132U (en) | 2016-07-22 | 2016-07-22 | Inferior rad level angle measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620778968.1U CN205879132U (en) | 2016-07-22 | 2016-07-22 | Inferior rad level angle measurement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205879132U true CN205879132U (en) | 2017-01-11 |
Family
ID=57698303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620778968.1U Active CN205879132U (en) | 2016-07-22 | 2016-07-22 | Inferior rad level angle measurement device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205879132U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106123809A (en) * | 2016-07-22 | 2016-11-16 | 中国工程物理研究院机械制造工艺研究所 | A kind of sub-rad level angle-measuring equipment |
| CN113483728A (en) * | 2021-07-03 | 2021-10-08 | 东华理工大学 | Nanoscale interference fringe angle measuring system for high-precision electronic theodolite |
-
2016
- 2016-07-22 CN CN201620778968.1U patent/CN205879132U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106123809A (en) * | 2016-07-22 | 2016-11-16 | 中国工程物理研究院机械制造工艺研究所 | A kind of sub-rad level angle-measuring equipment |
| CN113483728A (en) * | 2021-07-03 | 2021-10-08 | 东华理工大学 | Nanoscale interference fringe angle measuring system for high-precision electronic theodolite |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103063189B (en) | Goniometer verification method based on optical lever | |
| CN106441153B (en) | A kind of aperture aspherical element profile high-precision detecting method and device | |
| CN107014302B (en) | A kind of scaling method of train wheel wheelboss inner hole diameter laser measurement sensor position | |
| CN103512482B (en) | A kind of super-conductive magnetic suspension rotor attitude measurement signal calibration device | |
| CN106123809A (en) | A kind of sub-rad level angle-measuring equipment | |
| CN103499365A (en) | Rotary transformer static and dynamic angle measuring accuracy calibration device and method | |
| CN202382724U (en) | Angle measuring instrument | |
| CN106403848A (en) | Single-point laser rotation scanning-based deep hole straightness detection device and detection method | |
| CN109000571A (en) | A kind of consistency of thickness detection device | |
| CN105486276A (en) | High-precision measurement device and measurement method for angle of pitch | |
| CN101813499B (en) | Method and device for calibrating three-dimensional micro tactile sensor | |
| CN205879132U (en) | Inferior rad level angle measurement device | |
| CN102043069B (en) | Angular impact table | |
| CN213023203U (en) | Detection and calibration device for laser Doppler velocimeter | |
| CN105091799A (en) | Motor end cap coaxiality measuring system | |
| CN104515481A (en) | Device and method for measuring planeness of large-diameter torus | |
| CN203011370U (en) | Calibrating apparatus for angle measuring device based on optical lever | |
| CN106556413B (en) | A kind of two axis based on piezoelectric ceramic motor are without magnetic electrical turntable | |
| CN204854659U (en) | Novel light arm enlargies formula high accuracy angle sensor | |
| Lou et al. | A self-calibration method for rotary tables’ five degrees-of-freedom error motions | |
| CN203837671U (en) | Shaft kind part measuring device | |
| CN203869642U (en) | Multifunctional portable oversize bearing ring end face curvature detector | |
| CN115950457B (en) | Inertial device centrifugal test device for inertial navigation system calibration | |
| CN110500956B (en) | Standard circle track generating device | |
| RU94694U1 (en) | CORNER INSTALLATION |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |