CN-224216078-U - Calibrating device of non-contact deformation measuring instrument

Abstract

The utility model provides a calibrating device of a non-contact deformation measuring instrument, which comprises a main frame and a bidirectional screw rod, wherein a calibrating device base is arranged at the lower end of the main frame through bolts, a touch screen type liquid crystal display is arranged at the upper side of the front end of the main frame, a slide way is arranged at the front end of the main frame, an upper connecting rod and a lower connecting rod are respectively arranged at the upper end and the lower end inside the slide way in a sliding manner, and a first screw nut and a second screw nut are respectively penetrated and fixed between the upper connecting rod and the lower connecting rod.

Inventors

• LIU WEI
• JIA YONGGANG
• ZHANG HE
• JIA XIAODONG
• WEI WEILI
• GUO SHUAI

Assignees

• 辽宁省检验检测认证中心

Dates

Publication Date

20260508

Application Date

20250717

Claims (6)

1. 1. The utility model provides a non-contact deformation measuring apparatu calibrating device, includes main frame (3) and two-way lead screw (12), its characterized in that calibrating device base (9) are installed through the bolt to main frame (3) lower extreme, touch screen type liquid crystal display (2) are installed to main frame (3) front end upside, slide (6) are seted up to main frame (3) front end, slide (6) inside upper and lower extreme is provided with connecting rod (11) and lower connecting rod (13) in the slip respectively, run through respectively in the middle of connecting rod (11) and lower connecting rod (13) and be fixed with first lead screw nut (19) and second lead screw nut (20), high accuracy grating chi (10) are installed to main frame (3) inside rear end, high accuracy grating chi (10) front end upside is equipped with grating reading head (15) and lower calibration grating reading head (16) respectively, upper and lower connecting rod (13) are installed respectively and are markd board (4) and lower axle head (8), main frame (3) inner end (14) are installed respectively, two-way servo motor (12) are connected with two-way servo lead screw (12).
2. 2. The calibrating device of the non-contact deformation measuring instrument according to claim 1, wherein the main frame (3) and the calibrating device base (9) are made of cast iron.
3. 3. The calibrating device for the non-contact deformation measuring instrument according to claim 1, wherein the front sides of the left end and the right end of the upper connecting rod (11) are embedded with first bull's eye wheels (17), the front sides of the left end and the right end of the lower connecting rod (13) are embedded with second bull's eye wheels (18), and the two first bull's eye wheels (17) and the two second bull's eye wheels (18) are in sliding contact with the left end and the right end inside the slideway (6).
4. 4. A non-contact deformation measuring instrument calibration device according to claim 1, wherein the upper grating reading head (15) and the lower grating reading head (16) are respectively connected with the rear end of the upper connecting rod (11) and the rear end of the lower connecting rod (13).
5. 5. The calibrating device for the non-contact deformation measuring instrument according to claim 1, wherein the front ends of the upper calibrating plate (4) and the lower calibrating plate (8) are respectively provided with a plurality of upper calibrating points (5) and a plurality of lower calibrating points (7).
6. 6. The calibrating device for the non-contact deformation measuring instrument according to claim 1, wherein the first screw nut (19) and the second screw nut (20) are respectively sleeved on the upper side and the lower side of the outer part of the bidirectional screw (12) through a screw thread principle.

Description

Calibrating device of non-contact deformation measuring instrument Technical Field The utility model relates to a calibrating device of a non-contact deformation measuring instrument, belonging to the technical field of deformation measurement. Background With the development of technology, the deformation measurement means are gradually increased, and the non-contact deformation measuring instrument is popular in the wide material detection industry since the non-contact deformation measuring instrument enters the detection field, and compared with the traditional electronic extensometer, the non-contact deformation measuring instrument has the characteristics that a sample is not damaged, the extensometer is not required to be taken down halfway, the strain of the sample can be tracked in the whole process, the longitudinal and transverse deformation test can be considered, the micromechanics test and the like are carried out, and the measurement is taken as a key link of quality assurance, so that the performance and the quality of the measuring instrument are directly determined. The non-contact deformation measuring instrument can only measure the deformation of the related materials by the related departments. For calibration of electronic extensometers, existing calibration methods are well established. However, because the working principle and the operation mode are different, the existing extensometer calibration device cannot calibrate the non-contact deformation measuring instrument, which brings a lot of trouble to non-contact deformation measuring instrument use enterprises, and a non-contact deformation measuring instrument calibration device is urgently needed to solve the problems. Disclosure of utility model The utility model provides a special calibration device for a non-contact deformation measuring instrument, aiming at the phenomenon that the non-contact deformation measuring instrument is difficult to calibrate. The calibration method solves the calibration problem of all types of non-contact deformation measuring instruments at present, and can simulate the process that the sample is stretched to perform in-situ calibration. In order to achieve the aim, the non-contact deformation measuring instrument calibrating device comprises a main frame and a bidirectional screw rod, wherein a calibrating device base is arranged at the lower end of the main frame through bolts, a touch screen type liquid crystal display is arranged at the upper side of the front end of the main frame, a slide way is arranged at the front end of the main frame, an upper connecting rod and a lower connecting rod are respectively arranged at the upper end and the lower end of the interior of the slide way in a sliding manner, a first screw rod nut and a second screw rod nut are respectively penetrated and fixed in the middle of the upper connecting rod and the lower connecting rod, a high-precision grating ruler is arranged at the rear end of the interior of the main frame, an upper grating reading head and a lower grating reading head are respectively arranged at the upper side and the lower side of the front end of the high-precision grating ruler, an upper calibrating plate and a lower calibrating plate are respectively arranged at the upper end of the upper connecting rod and the lower connecting rod, a servo motor is arranged at the lower end of the interior of the main frame, the servo motor shaft is connected with the bidirectional screw rod, and the upper end gap of the bidirectional screw rod penetrates through the main frame and is connected with a manual rotary handle. Further, the main frame and the calibration device base are made of cast iron. Further, the front sides of the left end and the right end of the upper connecting rod are embedded with first bull's eye wheels, the front sides of the left end and the right end of the lower connecting rod are embedded with second bull's eye wheels, and the first bull's eye wheels and the second bull's eye wheels are respectively attached to the left end and the right end of the inside of the slideway in a sliding manner. Further, the upper grating reading head and the lower grating reading head are respectively connected with the rear end of the upper connecting rod and the rear end of the lower connecting rod. Further, the front ends of the upper calibration plate and the lower calibration plate are respectively provided with a plurality of upper calibration points and a plurality of lower calibration points. Further, the first screw nut and the second screw nut are respectively sleeved on the upper side and the lower side of the outer part of the bidirectional screw rod through a thread principle. The calibrating device for the non-contact deformation measuring instrument has the beneficial effects that the calibrating device is reasonable in structure, high-efficiency and accurate calibration of the non-contact deformation measuring instrument is realize