CN217235045U - Compact wide-range double-measurement type linear displacement sensor calibration device - Google Patents
Compact wide-range double-measurement type linear displacement sensor calibration device Download PDFInfo
- Publication number
- CN217235045U CN217235045U CN202220640501.6U CN202220640501U CN217235045U CN 217235045 U CN217235045 U CN 217235045U CN 202220640501 U CN202220640501 U CN 202220640501U CN 217235045 U CN217235045 U CN 217235045U
- Authority
- CN
- China
- Prior art keywords
- platform
- displacement sensor
- guide rail
- horizontal guide
- sliding platform
- 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
Images
Abstract
The utility model discloses a compact wide-range double-measurement type linear displacement sensor calibration device, which comprises a cabinet and a detection mechanism, wherein the upper end of the cabinet is provided with a working platform; the detection mechanism is arranged on the upper plate surface of the working platform; the detection mechanism also comprises a first two-dimensional sliding platform, a second two-dimensional sliding platform, a horizontal guide rail and a servo-electro-mechanical servo; the first two-dimensional sliding platform and the second two-dimensional sliding platform are respectively arranged at the left end and the right end of the upper plate surface of the working platform; a grating ruler is arranged between the first two-dimensional sliding platform and the second two-dimensional sliding platform; the horizontal guide rail is transversely erected and installed on one side of the upper plate surface of the working platform from left to right; a transmission screw rod with the same length as the horizontal guide rail is arranged on the horizontal guide rail from left to right; the horizontal guide rail is also provided with a moving platform which is in threaded sliding installation with the transmission lead screw; the servo electro-mechanical servo is arranged on the other side of the upper plate surface of the working platform relative to the horizontal guide rail. The utility model discloses can realize the automatic measurement calibration to stay rope displacement sensor and inductance displacement sensor's wide range, high accuracy, improve measurement of efficiency greatly.
Description
Technical Field
The utility model belongs to the technical field of the measurement calibration, in particular to two survey formula linear displacement sensor calibrating device of compact wide range.
Background
The pull rope displacement sensor has large measuring stroke and high precision, and the stroke is different from hundreds of millimeters to dozens of meters. During the application, the stay cord sensor is installed on fixed position, and the stay cord is tied up on moving object, and the linear motion of stay cord aligns with the motion axis of moving object, and when the motion took place, the stay cord extended and contracts. The pull rope sensor is particularly suitable for a linear guide rail system, and can realize low-cost high-precision measurement, such as a testing machine, a crane or a cable winch, storage position positioning, a pressure machine, a paper making machine, a textile machine, a metal sheet machine, a packaging machine, a printing machine, a level controller, a construction machine and the like, and relevant size measurement and position control. Along with the rapid development of assembly and manufacturing industries in our province, the traceability requirement date of the pull rope sensor is outstanding, the instrument inspection quantity is increased year by year, and a professional device which is targeted, convenient to operate and high in efficiency is urgently needed to meet the traceability requirement of related quantity values.
At present, the calibration of the pull rope sensor is based on the JJF 1305-assisted 2011 linear displacement sensor calibration specification, and the calibration method given in the specification is to calibrate the laser interferometer in cooperation with a length measuring machine. The method requires that the light path of the laser interferometer is installed and adjusted on the length measuring machine, and the reading is completed through the laser interferometer by utilizing the guide rail and relevant accessories of the length measuring machine. The more common range of the pull rope sensor is (0-2000) mm, which requires the length of the guide rail of the length measuring machine to be at least more than 2000 mm. In the actual calibration process of the pull rope sensor, a large-range length measuring machine and a laser interferometer are expensive and precise large-scale comprehensive equipment in length measurement, and the long-range length measuring machine and the laser interferometer are often multipurpose, so that a laser interference light path which is adjusted by spending a large amount of energy at each time cannot be fixedly reserved as a special pull rope sensor calibration device.
On the other hand, inductive displacement sensor and stay cord displacement sensor 407 are linear displacement sensor, however, do not satisfy the equipment that these two kinds of linear displacement sensor detect the calibration simultaneously at present yet, lead to detecting calibration inefficiency, complex operation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a compact wide-range double-measurement type linear displacement sensor calibration device, which realizes the automatic measurement and calibration of the pull rope displacement sensor with wide range and high precision; meanwhile, the inductive displacement sensor can be measured and calibrated, so that the measurement efficiency is greatly improved;
in order to achieve the above object, the utility model provides a following technical scheme: a compact wide-range double-measurement type linear displacement sensor calibration device comprises a cabinet 1 and a detection mechanism, wherein a working platform 2 is arranged at the upper end of the cabinet 1; the detection mechanism is arranged on the upper plate surface of the working platform 2; the detection mechanism further comprises a first two-dimensional sliding platform 4, a second two-dimensional sliding platform 7, a horizontal guide rail 5 and a servo-servo 3; the first two-dimensional sliding platform 4 and the second two-dimensional sliding platform 7 are respectively arranged at the left end and the right end of the upper plate surface of the working platform 2; a grating ruler 502 is arranged between the first two-dimensional sliding platform 4 and the second two-dimensional sliding platform 7; the horizontal guide rail 5 is transversely erected and installed on one side of the upper plate surface of the working platform 2 from left to right; a transmission screw 501 with the same length as the horizontal guide rail 5 is arranged on the horizontal guide rail from left to right; the horizontal guide rail 5 is also provided with a moving platform 6 which is in threaded sliding installation with the transmission screw 501; the servo motor servo 3 is arranged on the other side of the upper plate surface of the working platform 2 relative to the horizontal guide rail 5.
Preferably, the first two-dimensional sliding platform 4 and the second two-dimensional sliding platform 7 are both provided with sliding platform bases 401 with the same structure, the sliding platform bases 401 are provided with fixing pieces which are oppositely arranged, a transverse sliding rail 402 is arranged between the fixing pieces, and the transverse sliding rail 402 is sleeved with a transverse sliding block 409; one side of the fixing part is provided with a transverse hand wheel 403.
Preferably, a vertical sliding rail 404 is vertically arranged at the upper end of a transverse sliding block 409 of the first two-dimensional sliding platform 4, a vertical handwheel 406 is installed at the upper end of the vertical sliding rail 404, a vertical sliding block 405 is sleeved on the vertical sliding rail 404, a supporting table 408 is installed inwards and transversely on the vertical sliding block 405, and a stay cord displacement sensor 407 is installed on the supporting table 408.
Preferably, the clamper 701 with a V-shaped clamping hole in the middle is installed at the upper end of the transverse slide block 409 of the second two-dimensional sliding platform 7.
Preferably, the moving platform 6 further comprises a grating ruler 502 displacement detector and a connecting plate 601, and the connecting plate 601 is movably mounted on the horizontal guide rail 5 through a transmission screw 501; the displacement detector of the grating ruler 502 is arranged on one side of the connecting plate 601 and is arranged at the upper end of the grating ruler 502, and the connecting plate 601 is provided with a plurality of connecting holes 602 with different aperture sizes.
Preferably, a control unit is arranged inside the cabinet 1.
Preferably, the displacement detector of the grating ruler 502 and the servo motor are both in signal connection with the control unit, and the displacement detector of the grating ruler 502 and the servo motor form closed-loop control.
Preferably, a plurality of universal wheels 102 are arranged at the bottom of the cabinet 1, and lifting support legs 101 are arranged at four corners and the middle part of the bottom of the cabinet 1.
The utility model has the advantages that:
(1) the device has a large moving range of the moving platform 6, can realize the detection of a large-range and large-range displacement sensor, and simultaneously adopts a closed-loop control mode formed by the grating ruler displacement sensor and the servo motor, thereby further ensuring the measuring precision;
(2) a plurality of connecting holes 602 with different inner diameters are formed in the left end face of the connecting plate 601 of the mobile platform 6, so that the fixing of pull rope ends of different types is realized, the application range is wide, and the fixing is rapid and convenient;
(3) a hard detection plate is fixed on the right end face of the moving platform 6, and the hard detection plate is hard and not easy to deform when being in contact with a measuring rod of the inductance displacement sensor, so that the measuring accuracy is high; on the other hand, the area of the hard detection plate is large, the measuring rod of the inductance displacement sensor can be easily abutted against the hard detection plate without being aligned, and the operation is simple and quick;
(4) through the design, the compact wide-range double-measurement type linear displacement sensor calibration device capable of efficiently and quickly detecting the stay rope displacement sensor 407 and the inductive displacement sensor on one device is realized.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a first two-dimensional sliding platform of the present invention;
FIG. 3 is a diagram of the mobile platform of the present invention;
fig. 4 shows a second two-dimensional sliding platform of the present invention.
The figures are labeled as follows: 1. a cabinet; 101. a lifting support leg; 102. a universal wheel; 2. a working platform; 3. servo electromechanical servo; 4. a first two-dimensional sliding platform; 401. a sliding platform base; 402. a transverse slide rail; 403. a transverse hand wheel; 404. a vertical slide rail; 405. a vertical slide block; 406. a vertical hand wheel; 407. a pull rope displacement sensor; 408. a support table; 409. a transverse slide block; 5. a horizontal guide rail; 501. a drive screw; 502. a grating ruler; 6. a mobile platform; 601. a connecting plate; 602. connecting holes; 603. a grating displacement detector; 7. a second two-dimensional sliding platform; 701. a clamper.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention.
Referring to fig. 1-4, a compact wide-range double-measurement type linear displacement sensor calibration device includes a cabinet 1 and a detection mechanism, wherein a working platform 2 is arranged at the upper end of the cabinet 1; the detection mechanism is arranged on the upper plate surface of the working platform 2; the detection mechanism further comprises a first two-dimensional sliding platform 4, a second two-dimensional sliding platform 7, a horizontal guide rail 5 and a servo-servo 3; the first two-dimensional sliding platform 4 and the second two-dimensional sliding platform 7 are respectively arranged at the left end and the right end of the upper plate surface of the working platform 2; a grating ruler 502 is arranged between the first two-dimensional sliding platform 4 and the second two-dimensional sliding platform 7; the horizontal guide rail 5 is transversely erected and installed on one side of the upper plate surface of the working platform 2 from left to right; a transmission screw 501 with the same length as the horizontal guide rail 5 is arranged on the horizontal guide rail from left to right; the horizontal guide rail 5 is also provided with a moving platform 6 which is in threaded sliding installation with the transmission screw 501; the servo motor servo 3 is arranged on the other side of the upper plate surface of the working platform 2 relative to the horizontal guide rail 5.
The first two-dimensional sliding platform 4 and the second two-dimensional sliding platform 7 are both provided with sliding platform bases 401 with the same structure, the sliding platform bases 401 are provided with fixing pieces which are oppositely arranged, transverse sliding rails 402 are arranged between the fixing pieces, and the transverse sliding rails 402 are sleeved with transverse sliding blocks 409; one side of the fixing piece is provided with a transverse hand wheel 403.
The upper end of a transverse sliding block 409 of the first two-dimensional sliding platform 4 is vertically provided with a vertical sliding rail 404, the upper end of the vertical sliding rail 404 is provided with a vertical hand wheel 406, the vertical sliding rail 404 is sleeved with a vertical sliding block 405, the vertical sliding block 405 is inwards and transversely provided with a supporting table 408, and the supporting table 408 is provided with a pull rope displacement sensor 407.
The upper end of the transverse sliding block 409 of the second two-dimensional sliding platform 7 is provided with a clamper 701 with a V-shaped clamping hole in the middle.
The moving platform 6 further comprises a grating ruler 502 displacement detector and a connecting plate 601, and the connecting plate 601 is movably mounted on the horizontal guide rail 5 through a transmission screw 501; the displacement detector of the grating ruler 502 is arranged on one side of the connecting plate 601 and is arranged at the upper end of the grating ruler 502, and the connecting plate 601 is provided with a plurality of connecting holes 602 with different aperture sizes.
The cabinet 1 is internally provided with a control unit.
The grating ruler displacement detector 502 and the servo motor are in signal connection with the control unit, and the grating ruler displacement detector 502 and the servo motor form closed-loop control.
The bottom of the cabinet 1 is provided with a plurality of universal wheels 102, and four corners and the middle part of the bottom of the cabinet 1 are provided with lifting support legs 101.
As a first specific embodiment, as shown in fig. 1 and fig. 2, when only the pull rope displacement sensor 407 is calibrated and detected, first, the pull rope displacement sensor 407 to be detected is fixed on the support 408, the end of the pull rope is inserted into the connecting hole 602 with a corresponding size, then the limit screw is introduced into the limit hole of the end of the pull rope, then the transverse hand wheel 403 is manually rotated to realize the forward and backward movement of the pull rope displacement sensor 407, and the vertical hand wheel 406 is manually rotated to realize the up and down movement of the pull rope displacement sensor 407, so that the position of the pull rope displacement sensor 407 is adjusted until the movement direction of the pull rope and the horizontal guide rail 5, i.e., the moving platform 6, is kept on the same straight line to reduce the measurement error; after the adjustment is completed, finally, according to a set program, the servo motor drives the transmission screw 501 to rotate, the movement of the moving platform 6 is realized, the grating ruler 502 displacement detector and the servo motor form closed-loop control in the movement process, so that different calibration points can be accurately detected, and finally, the displacement value displayed by the grating ruler displacement detector 502 is compared with the display value of the pull rope displacement sensor 407 to obtain the indication value error of the pull rope displacement sensor 407.
As a second specific embodiment, as shown in fig. 1 and 4, when only the inductance displacement sensor is calibrated and detected, first, the inductance displacement sensor to be detected is fixed on a holder 701, then, the transverse rotating wheel is manually rotated to realize the front-back direction movement of the inductance displacement sensor, and the bolt is loosened to realize the up-down direction movement of the inductance displacement sensor, so as to adjust the position of the inductance displacement sensor until the measuring rod of the inductance displacement sensor and the horizontal guide rail 5, i.e. the moving direction of the moving platform 6, are kept on the same straight line to reduce the measurement error; after the adjustment is completed, finally, according to a set program, the servo motor drives the transmission screw 501 to rotate, the movement of the moving platform 6 is realized, the grating ruler 502 displacement detector and the servo motor form closed-loop control in the movement process, so that different calibration points can be accurately detected, and finally, the displacement value displayed by the grating ruler 502 displacement detector is compared with the display value of the inductance displacement sensor to obtain the indication value error of the inductance displacement sensor.
Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a compact wide range double measurement formula linear displacement sensor calibrating device, includes rack and detection mechanism, its characterized in that: a working platform is arranged at the upper end of the cabinet; the detection mechanism is arranged on the upper plate surface of the working platform;
the detection mechanism further comprises a first two-dimensional sliding platform, a second two-dimensional sliding platform, a horizontal guide rail and a servo-electromechanical servo;
the first two-dimensional sliding platform and the second two-dimensional sliding platform are respectively arranged at the left end and the right end of the upper plate surface of the working platform; a grating ruler is arranged between the first two-dimensional sliding platform and the second two-dimensional sliding platform;
the horizontal guide rail is transversely erected and installed on one side of the upper plate surface of the working platform from left to right; a transmission screw rod with the same length as the horizontal guide rail is arranged on the horizontal guide rail from left to right; the horizontal guide rail is also provided with a moving platform which is in threaded sliding installation with the transmission lead screw;
the servo motor servo is arranged on the other side of the upper plate surface of the working platform relative to the horizontal guide rail.
2. A compact wide range dual measurement type linear displacement sensor calibration device according to claim 1, wherein: the first two-dimensional sliding platform and the second two-dimensional sliding platform are both provided with sliding platform bases with the same structure, the sliding platform bases are provided with fixing pieces which are oppositely arranged, transverse sliding rails are arranged between the fixing pieces, and transverse sliding blocks are sleeved on the transverse sliding rails; and a transverse hand wheel is arranged on one side of the fixing part.
3. The compact wide-range double-measurement type linear displacement sensor calibrating device as claimed in claim 2, wherein a vertical slide rail is vertically arranged at the upper end of a transverse slide block of the first two-dimensional sliding platform, a vertical hand wheel is installed at the upper end of the vertical slide rail, a vertical slide block is sleeved on the vertical slide rail, a support platform is installed inwards and transversely on the vertical slide block, and a stay cord displacement sensor is installed on the support platform.
4. The compact wide-range double-measurement type linear displacement sensor calibration device as claimed in claim 2, wherein a clamper with a V-shaped clamping hole in the middle is installed at the upper end of the transverse sliding block of the second two-dimensional sliding platform.
5. The compact wide-range double-measurement type linear displacement sensor calibration device as claimed in claim 1, wherein the moving platform further comprises a grating ruler displacement detector and a connecting plate, the connecting plate is movably mounted on the horizontal guide rail through a transmission lead screw; the grating ruler displacement detector is arranged on one side of the connecting plate and is arranged at the upper end of the grating ruler, and the connecting plate is provided with a plurality of connecting holes with different aperture sizes.
6. The compact wide range dual measurement type linear displacement sensor calibration device as claimed in claim 1, wherein a control unit is provided inside the cabinet.
7. The compact wide-range double-measurement type linear displacement sensor calibration device as claimed in claim 5 or 6, wherein the grating ruler displacement detector and the servo motor are in signal connection with the control unit, and the grating ruler displacement detector and the servo motor form closed-loop control.
8. The compact wide-range double-measurement type linear displacement sensor calibration device as claimed in claim 1, wherein a plurality of universal wheels are arranged at the bottom of the cabinet, and lifting support legs are arranged at four corners and the middle part of the bottom of the cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220640501.6U CN217235045U (en) | 2022-03-23 | 2022-03-23 | Compact wide-range double-measurement type linear displacement sensor calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220640501.6U CN217235045U (en) | 2022-03-23 | 2022-03-23 | Compact wide-range double-measurement type linear displacement sensor calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217235045U true CN217235045U (en) | 2022-08-19 |
Family
ID=82843903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220640501.6U Active CN217235045U (en) | 2022-03-23 | 2022-03-23 | Compact wide-range double-measurement type linear displacement sensor calibration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217235045U (en) |
-
2022
- 2022-03-23 CN CN202220640501.6U patent/CN217235045U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100595513C (en) | Cylinder diameter and form and position error integrated measuring apparatus | |
| CN106017366B (en) | A kind of straightness comprehensive detection device | |
| CN102997885B (en) | Gap detection device of large slewing bearing | |
| CN208026213U (en) | A kind of cylindrical part surface linearity testing apparatus | |
| CN103196386B (en) | Non-contact type rotation part shape error accuracy detecting device and method | |
| CN104515487A (en) | Two-in-one full-automatic three-Z-axis measuring instrument | |
| CN211373556U (en) | Full-automatic continuous multi-point detection device for outer diameter of workpiece | |
| CN115235402A (en) | High-precision detection machine | |
| CN106483049A (en) | A kind of noncontact self-checking device of the Hegman grind gage error of indication and method | |
| CN112504069B (en) | Non-contact precision measuring instrument | |
| CN207570483U (en) | Driving axle housing class accessory size and geometric tolerance rapid measurement device | |
| CN217235045U (en) | Compact wide-range double-measurement type linear displacement sensor calibration device | |
| CN205879134U (en) | Straightness accuracy comprehensive testing device | |
| CN109253713B (en) | Slider returns to hole position measurement equipment | |
| CN201828245U (en) | Numerical control machine tool form and position error precision measuring device based on LabVIEW (laboratory virtual instrument engineering workbench) software | |
| CN215177403U (en) | Circle run-out length measuring instrument | |
| CN105737781A (en) | Three-dimensional measuring device special for thin and long thin-wall workpiece | |
| CN206488741U (en) | A kind of static pressure extensible guide straight-line degree measurement apparatus | |
| CN204988208U (en) | Big stroke screw thread measuring apparatu of high accuracy | |
| CN210665059U (en) | Automatic measuring and clamping workbench for slewing bearing | |
| CN104596406B (en) | Multi-station micro-positioning line displacement measuring device | |
| CN105865895A (en) | Automatic testing method and system for radial mechanical properties of cork base of draught-beer barrel | |
| CN219694107U (en) | Square bar overall dimension measuring equipment | |
| CN113049601A (en) | New forms of energy battery case measuring equipment | |
| CN214200050U (en) | Hole diameter detection equipment for machining base for wind power |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |