CN221238361U - Large-size air floatation circular arc guide rail radius test system - Google Patents
Large-size air floatation circular arc guide rail radius test system Download PDFInfo
- Publication number
- CN221238361U CN221238361U CN202322832383.6U CN202322832383U CN221238361U CN 221238361 U CN221238361 U CN 221238361U CN 202322832383 U CN202322832383 U CN 202322832383U CN 221238361 U CN221238361 U CN 221238361U
- Authority
- CN
- China
- Prior art keywords
- radius
- change data
- air
- guide rail
- reflecting mirror
- 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
- 238000012360 testing method Methods 0.000 title claims abstract description 40
- 230000005484 gravity Effects 0.000 claims abstract description 23
- 238000004364 calculation method Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000000691 measurement method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000005188 flotation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000386 microscopy Methods 0.000 description 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Abstract
A large-size air-float circular arc guide rail radius test system, comprising: the device comprises a laser range finder, a gravity inclinometer, a reflecting mirror and a radius testing unit. The gravity inclinometer and the reflecting mirror are fixedly arranged on the air floating sub-platform, and synchronously move along with the air floating sub-platform; the laser range finder is used for detecting chord length change data before and after the position change of the reflecting mirror by using the reflecting mirror and transmitting the chord length change data to the radius test unit; the gravity inclinometer is used for detecting angle change data before and after the position of the reflecting mirror is changed and transmitting the angle change data to the radius test unit; and the radius test unit receives the chord length change data and the angle change data, and obtains the radius of the air-float guide rail through calculation. The utility model adopts the angle change and chord length change of the measuring movement air floatation arc to indirectly measure the dynamic radius of the large-size air floatation guide rail, and is suitable for measuring the large-diameter dynamic radius.
Description
Technical Field
The utility model belongs to the technical field of dynamic curvature radius test of large-size components, and particularly relates to a large-size air floatation circular arc guide rail radius test system.
Background
The high-precision measurement of the curvature radius is always a difficult point in the measurement field, and the traditional measurement method is mainly divided into a contact measurement method and a non-contact measurement method. Contact measurements such as ball and socket measuring methods, three-coordinate measuring methods. Non-contact measurements such as auto-collimation microscopy. The air-float arc is mainly used for simulating sinusoidal movement, and the curvature radius of the traditional arc air-float guide rail in the calibration equipment commonly used for the vibration sensor is generally measured by mechanical contact because of the small friction coefficient. Because of the large size of the air floatation arc, the weight and the volume are large. Conventional radius of curvature testing means cannot be employed.
Disclosure of utility model
The utility model solves the technical problems that: overcomes the defects of the prior art, provides a radius test system of a large-size air floatation circular arc guide rail, and calculating the dynamic curvature radius according to a certain algorithm by measuring the angle variation and chord length variation of the air float.
The technical scheme of the utility model is as follows:
A large-size air-float circular arc guide rail radius test system, comprising: the device comprises a laser range finder, a gravity inclinometer, a reflecting mirror and a radius testing unit;
The gravity inclinometer and the reflecting mirror are fixedly arranged on the air floating sub-platform, and synchronously move along with the air floating sub-platform;
The laser range finder is used for detecting chord length change data before and after the position change of the reflecting mirror by using the reflecting mirror and transmitting the chord length change data to the radius test unit;
The gravity inclinometer is used for detecting angle change data before and after the position of the reflecting mirror is changed and transmitting the angle change data to the radius test unit;
and the radius test unit receives the chord length change data and the angle change data, and obtains the radius of the air-float guide rail through calculation.
Preferably, the method further comprises: installing a tool;
The reflector is fixedly arranged on the air floating sub-platform through the installation tool.
Preferably, the device also comprises a tripod;
the tripod is used for fixedly mounting a laser range finder.
Preferably, the gravity inclinometer can output an included angle between a tangent line of the circular arc guide rail at a position point of the air flotation sub-platform and a horizontal plane.
Preferably, the radius test unit receives multiple groups of chord length change data and angle change data, and obtains the radius of the air-float guide rail according to the least square method.
Preferably, the radius test unit receives not less than 10 sets of chord length change data and angle change data.
Compared with the prior art, the utility model has the advantages that:
The utility model aims to solve the problem of the dynamic radius of curvature of a large-size circular arc guide rail, and the adoption of the system can ensure that the dynamic radius of the non-whole circumference air-float guide rail of a large-size part can be solved. The system has been applied to dynamic radius calibration of 10m circular arc guide rails.
Drawings
FIG. 1 is a schematic diagram;
FIG. 2 is a diagram showing the components of a large-size air-float arc guide rail radius test system according to the present utility model;
FIG. 3 is a flow chart of an embodiment of the present utility model.
Detailed Description
Because of the characteristic of small friction coefficient of the large-size air floatation circular arc guide rail, the device can be used for simulating sinusoidal motion with high distortion degree and is multipurpose in the field of vibration sensor measurement. However, due to the large size and mass, the radius of motion is difficult to measure by conventional means. The device indirectly measures the dynamic radius of the large-size air-float guide rail by measuring the angle change and the chord length change of the moving air-float arc, and is suitable for measuring the large-diameter dynamic radius.
The utility model will be described in more detail with reference to the following drawings and examples.
A large-size air-float circular arc guide rail radius test system, comprising: the device comprises a laser range finder, a gravity inclinometer, a reflecting mirror and a radius testing unit. The gravity inclinometer and the reflecting mirror are fixedly arranged on the air floating sub-platform, and synchronously move along with the air floating sub-platform; the laser range finder is used for detecting chord length change data before and after the position change of the reflecting mirror by using the reflecting mirror and transmitting the chord length change data to the radius test unit; the gravity inclinometer is used for detecting angle change data before and after the position of the reflecting mirror is changed and transmitting the angle change data to the radius test unit; and the radius test unit receives the chord length change data and the angle change data, and obtains the radius of the air-float guide rail through calculation.
In an embodiment of the present utility model, the method further includes: installing a tool;
The reflector is fixedly arranged on the air floating sub-platform through the installation tool.
In one embodiment of the utility model, the utility model further comprises a tripod; the tripod is used for fixedly mounting a laser range finder.
The gravity inclinometer can output an included angle between a tangent line of the circular arc guide rail at the position point of the air flotation sub-platform and the horizontal plane.
The radius test unit receives a plurality of groups of chord length change data and angle change data, and obtains the radius of the air-float guide rail through calculation according to a least square method. In one embodiment of the utility model, the radius test unit receives not less than 10 sets of chord length change data and angle change data.
Examples
The measurement principle is shown in fig. 1, and a high-precision gravity inclinometer is arranged on a large-size air floatation guide rail and is used for measuring an angle alpha in the upper diagram. While the laser interference reflector is installed. The movement distance D (i.e., chord length change data) is measured.
When the air bearing guide rail moves to a plurality of positions, a plurality of groups of alpha 1, alpha 2, alpha n and corresponding D1, D2 and Dn can be measured. The dynamic radius R can be found from a least squares fit.
A large-size air-float arc guide rail dynamic radius testing device is shown in figure 2, and mainly comprises a laser range finder in figure 2, accessories thereof and a gravity dip angle sensor in figure 2. And placing a gravity inclination angle sensor and a reflecting mirror on the same installation base surface of the measured arc. When the air-float guide rail moves. And simultaneously collecting data of the laser interferometer and the gravity inclinometer.
The specific implementation process of the dynamic radius test of the size air-float circular arc guide rail is shown in figure 3.
1) Placing a reflecting mirror on the air floating sub-platform, and adjusting a collimation light path of the laser interferometer to enable the collimating light path to display data effectively in a working range;
2) Placing a gravity inclination sensor on the air floating sub-platform;
3) Moving the arc air floating platform rotor to a movement position 1;
4) Starting an air floating platform, and recording data D1 of a laser interferometer and data alpha 1 of a gravity inclination sensor;
5) Moving the arc air floating platform rotor to a movement position 2;
6) Recording data D2 of a laser interferometer and data alpha 2 of a gravity tilt sensor;
7) Moving 10 moving positions of the arc air floating platform mover;
8) Recording data D of 10 laser interferometers and data alpha of 10 gravity inclination sensors;
9) The dynamic radius R is fitted according to the least square method.
Although the present utility model has been described with respect to the preferred embodiments, it is not intended to be limited thereto, and any person skilled in the art can make any possible variations and modifications to the technical solution of the present utility model by using the technical matters disclosed above without departing from the spirit and scope of the present utility model, so any simple modifications, equivalent variations and modifications to the above embodiments according to the technical matters of the present utility model fall within the scope of the technical solution of the present utility model. The embodiments of the present utility model and technical features in the embodiments may be combined with each other without collision.
What is not described in detail in the present specification is a well known technology to those skilled in the art.
Claims (6)
1. The utility model provides a jumbo size air supporting circular arc guide rail radius test system which characterized in that includes: the device comprises a laser range finder, a gravity inclinometer, a reflecting mirror and a radius testing unit;
The gravity inclinometer and the reflecting mirror are fixedly arranged on the air floating sub-platform, and synchronously move along with the air floating sub-platform;
The laser range finder is used for detecting chord length change data before and after the position change of the reflecting mirror by using the reflecting mirror and transmitting the chord length change data to the radius test unit;
The gravity inclinometer is used for detecting angle change data before and after the position of the reflecting mirror is changed and transmitting the angle change data to the radius test unit;
and the radius test unit receives the chord length change data and the angle change data, and obtains the radius of the air-float guide rail through calculation.
2. The large-size air-float circular arc guide radius test system according to claim 1, further comprising: installing a tool;
The reflector is fixedly arranged on the air floating sub-platform through the installation tool.
3. The large-size air-float arc guide radius test system according to claim 1, further comprising a tripod;
the tripod is used for fixedly mounting a laser range finder.
4. The large-size air floatation circular arc guide rail radius test system according to claim 1, wherein the gravity inclinometer can output an included angle between a tangent line of the circular arc guide rail at a position point of the air floatation sub-platform and a horizontal plane.
5. The radius test system of the large-size air-floating circular arc guide rail according to any one of claims 1 to 4, wherein the radius test unit receives a plurality of groups of chord length change data and angle change data, and obtains the radius of the air-floating guide rail according to a least square method.
6. The large-sized air bearing circular arc guide rail radius test system according to claim 5, wherein the radius test unit receives not less than 10 sets of chord length change data and angle change data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322832383.6U CN221238361U (en) | 2023-10-20 | 2023-10-20 | Large-size air floatation circular arc guide rail radius test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322832383.6U CN221238361U (en) | 2023-10-20 | 2023-10-20 | Large-size air floatation circular arc guide rail radius test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221238361U true CN221238361U (en) | 2024-06-28 |
Family
ID=91597095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322832383.6U Active CN221238361U (en) | 2023-10-20 | 2023-10-20 | Large-size air floatation circular arc guide rail radius test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221238361U (en) |
-
2023
- 2023-10-20 CN CN202322832383.6U patent/CN221238361U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105627947A (en) | Measurement method of rotary symmetry unknown aspherical surface error and measurement device | |
| CN101464163B (en) | Straightness detecting method for platform normal point used for total station instrument check | |
| CN111578862B (en) | Point cloud precision calibration device and method for ground three-dimensional laser scanner | |
| CN103278109A (en) | Angle measurement precision detecting device of aspect angle monitor for satellite | |
| CN108871207B (en) | Photogrammetry reference ruler length calibration device and use method | |
| CN114808575B (en) | Track smoothness detection system and method based on scanning laser | |
| CN106643548A (en) | Aspheric optical element surface shape detection device | |
| CN107193018B (en) | Using method of high-precision differential GPS test fixture | |
| CN101819017B (en) | Detecting device and method of vertex curvature radius of large-diameter non-spherical reflecting mirror | |
| CN200982850Y (en) | Square measuring rule for bearing | |
| CN221238361U (en) | Large-size air floatation circular arc guide rail radius test system | |
| CN110608755A (en) | Heave measurement performance detection device and method for inertial navigation equipment | |
| CN110986792B (en) | High-precision detection device and detection method for one-dimensional ball or cone nest array | |
| CN107843206B (en) | Bridge pier curvature displacement testing device and method | |
| CN210488104U (en) | Compact reflector adjusting device for plumb aligner calibrating device | |
| CN114858096B (en) | Horizontal light path transfer goniometer and measuring method | |
| CN110823183A (en) | Bridge tower deviation measuring device based on laser technology | |
| CN113701968B (en) | Bridge dynamic deflection monitoring system | |
| CN216049705U (en) | Non-contact wheel hub size detection device | |
| CN111637960B (en) | Vibration measuring system for eliminating vibration influence of base point of laser vibration meter | |
| CN114485462A (en) | Vehicle contour detection system and method for rail transit | |
| CN114152209A (en) | Boiler large plate girder deflection measuring device and method | |
| CN208998755U (en) | A kind of elevator rail planeness detection system based on multistage optical lever | |
| CN111121734A (en) | Device and method for measuring deformation of inertial equipment mounting base | |
| CN106767932B (en) | Level i angle detection device and detection method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |