CN218297053U

CN218297053U - End degree length comparator

Info

Publication number: CN218297053U
Application number: CN202222591227.0U
Authority: CN
Inventors: 孙正洪; 罗武勇; 王小美; 刘建刚
Original assignee: Guiyang Xintian Oetech Co ltd
Current assignee: Guiyang Xintian Oetech Co ltd
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2023-01-13
Anticipated expiration: 2032-09-29

Abstract

The utility model discloses an endlength comparator, including base, left side measuring block and right side measuring block. The left measuring block is fixedly arranged at the left end of the base, a coarse positioning scale and a grating ruler are arranged on the base, the coarse moving carriage is arranged on the base, a coarse positioning groove and a grating reading head are arranged at the front end of the coarse moving carriage, a micro-movable sliding plate is arranged on the coarse moving carriage, and the right measuring block is arranged on the micro-movable sliding plate; a coarse moving hand wheel and a locking handle are arranged on the coarse moving sliding frame; a fine motion hand wheel is arranged on the right side of the right measuring block, and a fine motion locking handle is arranged on the fine motion hand wheel; the coarse movement sliding frame is also provided with a digital display meter. The utility model discloses can be succinct, convenient, quick, objective, accurate carry out the benchmark to bridge chi, pipe chi etc. and set for, go to compare the heavy spare part of measurement with this good benchmark of setting for to realize the indirect measurement purpose of the heavy spare part.

Description

Terminal degree comparator

Technical Field

The utility model relates to a to the benchmark of indirect measuring equipment such as bridge chi, ruler, pipe chi settlement technical field discloses an interior, outside dimension benchmark of indirect measuring equipment such as quick settlement bridge chi, ruler, pipe chi to reach and further compare the purpose of measuring the inside and outside dimension of large-scale spare part. We name it as "endlength comparator" according to its main function.

Background

In large-scale part manufacturing enterprises such as wind energy, solar energy, large bearings and the like, because produced parts are large and heavy, the existing measuring equipment cannot directly measure the parts and can only indirectly measure the parts through a bridge ruler, a straight ruler, a pipe ruler and the like, but the bridge ruler, the pipe ruler and the like can measure the large parts after reference measurement setting is carried out on the parts, and therefore, an economical and applicable measuring device is sought: the end length comparator is used for setting the reference of bridge ruler, pipe ruler and the like, and then the reference is used for comparing and measuring large parts, so that the measurement requirement of large and heavy parts is met.

The utility model relates to an unable direct measurement's of large-scale spare part inside and outside dimension technical field relates to a novel measuring instrument through comparing the inside and outside dimension of measuring large-scale spare part promptly.

Disclosure of Invention

An object of the utility model is to provide an endlength comparator, its structural design is rationally distributed, convenient high efficiency, can be succinct, convenient, quick, objective, accurate carry out the benchmark to bridge chi, pipe chi etc. and set for, go to compare with this benchmark of setting for and measure big heavy spare part to the indirect measurement purpose of big heavy spare part has solved current situation such as limitation, uncertainty, the loaded down with trivial details nature that current detecting instrument detecting means can't carry out the measurement of big heavy spare part.

The technical scheme of the utility model:

an end length comparator comprises a base, a left measuring block and a right measuring block, wherein the left measuring block is fixedly arranged at the left end of the base, a coarse positioning scale and a grating ruler are arranged on the base, a coarse moving sliding frame is arranged on the base, a coarse positioning groove is arranged at the front end of the coarse moving sliding frame, and a grating reading head is arranged in the coarse moving sliding frame; a micro-motion sliding plate is arranged on the right side of the left measuring block and the coarse moving sliding frame, and the right measuring block is arranged on the micro-motion sliding plate; a coarse moving hand wheel and a locking handle are arranged on the coarse moving sliding frame; a fine motion hand wheel is arranged on the right side of the right measuring block, and a fine motion locking handle is arranged on the fine motion hand wheel; the coarse movement sliding frame is also provided with a digital display meter.

When the digital display meter is used for calibrating the pipe ruler, the bridge ruler and the straight ruler, the digital display meter is electrically connected with the grating measuring system, and the length value of the measuring block is calibrated and marked.

The digital display meter is a digital display system, the model DS402, manufacturer: the method is large and precise.

The grating measuring system comprises a grating ruler and a grating reading head, the model RGS20-S, RGH X30F 00A, manufacturer: renyao in UK.

The utility model relates to an instrument that is used for absolute measurement and relative measurement's length to mark or measure can directly be used for calibrating the benchmark setting measurement of bridge chi, ruler, pipe chi etc.. The instrument is a contact type length measurement grating digital display instrument, the instrument captures measurement data through a high-precision metal grating, and then performs subdivision display and processing through a digital display meter, and the instrument is divided into a grating measurement system (consisting of a grating ruler and a grating reading head) (model RGS20-S, RGH X30F 00A, manufactured by Reynisha in UK) and a digital display system (model DS402, manufactured by Rey-big and precise).

The beneficial effects of the utility model have:

(1) The utility model discloses can apply to the production measurement dimensional control or the final examination of large-scale spare part in the large-scale wind-powered electricity generation wind energy trade production process, provide quick, audio-visual quantitative determination, timing processing equipment in the production of being convenient for improves production efficiency.

(2) The utility model discloses can be applied to the on-spot examination and timing processing equipment of bearing inner and outer lane of large-scale bearing manufacturing enterprise workshop, control processing qualification rate.

(3) The instrument is mainly applied to metal processing enterprises, and is particularly suitable for processing places and metering departments of large bearing manufacturing enterprises and large-scale wind power and nuclear power generator set production enterprises.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the calibration pipe ruler of the present invention (example 1).

Fig. 3 is a schematic view of a grating system installation.

The labels in the figure are: 1. the device comprises a base, 2, a left measuring block, 3, a coarse positioning reticle, 4, a right measuring block, 5, a locking handle, 6, a coarse moving hand wheel, 7, a fine moving locking handle, 8, a digital display meter, 9, a fine moving hand wheel, 10, a coarse positioning scale, 11, a fine moving sliding plate, 12, a coarse moving sliding frame, 13, a grating ruler, 14, a grating reading head, 20, a pipe ruler measuring head 21, a pipe ruler group 22 and a micrometer.

L: the distance between the left end face of the left measuring block and the right end face of the right measuring block.

L1: the length of the block is measured on the left.

L2: the length of the block is measured on the right.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.

Referring to fig. 1-3, an end length comparator comprises a base 1, a left measuring block 2 and a right measuring block 4, wherein the left measuring block 2 is fixedly installed at the left end of the base 1, a coarse positioning scale 10 and an installation grating ruler 13 are arranged on the base 1, a coarse moving carriage 12 is arranged on the base 1, a coarse positioning scale 3 and an inner installation grating reading head 14 are arranged at the front end of the coarse moving carriage 12, the coarse positioning scale 3 indicates a coarse moving position, and the coarse positioning scale 10 is a quick coarse positioning scale of the measuring block coarse moving carriage 12; a slightly movable sliding plate 11 is arranged on the right side of the left measuring block 2 and the coarse moving sliding frame 12, and the right measuring block 4 is arranged on the slightly movable sliding plate 11; a coarse movement hand wheel 6 and a locking handle 5 are arranged on the coarse movement carriage 12, the locking handle 5 is used for locking the coarse movement carriage 12, and the coarse movement hand wheel 6 is used for rapidly moving the coarse movement carriage 12; a fine motion hand wheel 9 is arranged on the right side of the right measuring block 4, the fine motion hand wheel 9 is a micro-adjustment hand wheel for left and right movement of the right measuring block 4, a fine motion locking handle 7 is arranged on the fine motion hand wheel 9, and the fine motion locking handle 7 is used for locking the fine motion of the fine motion hand wheel 9; the rough movement sliding frame 12 is also provided with a digital display meter 8 which moves together with the sliding frame during measurement so as to facilitate reading;

the digital display meter 8 is electrically connected with the grating reading head 14, and length values of the left measuring block (2) and the right measuring block (4) are detected and marked for calibrating and calculating the pipe gauge.

Specifically, the method comprises the following steps:

setting the inner dimension of the pipe ruler (the set pipe ruler can be used for comparing the outer dimension of the measurement part): after the pipe ruler is normally started, the rough movement hand wheel 6 is rotated to enable the left measurement block 2 to be reliably contacted with the right measurement block 4, the coordinate is set to be zero by clicking the 'X0' of the digital display meter 8, then the rough movement hand wheel 6 is rotated according to the approximate size of a pipe ruler to be corrected, the right measurement block 4 is moved to an enough position (which can be roughly determined from the reading of the rough positioning scale 10 and can also be roughly determined from the reading of the digital display meter 8), then the locking handle 5 is locked, the prepared pipe ruler set 21 is placed on the left measurement block 2 and the right measurement block 4 to be reliably contacted and positioned with the upper planes of the left measurement block 2 and the right measurement block 4, the pipe ruler measurement head 20 is contacted with the left side face of the left measurement block 2, the micrometer gauge 22 of the pipe ruler is contacted with the right side face of the right measurement block 4, and the left and right micromotion of the right measurement block are enabled to be micromotion through the fine adjustment hand wheel 9, so that the precise adjustment of the dimension of the measured ruler is realized. The measuring head of the micrometer 22 is lightly contacted with the right side surface of the right measuring block 4 to ensure the reading accuracy of the micrometer 22, then the micro-motion locking handle 7 is locked, the left end of the pipe ruler is held, the measuring head 20 of the pipe ruler is kept in contact with the left side surface of the left measuring block 2, the right end of the pipe ruler is deflected forwards and backwards, the minimum value of the reading of the micrometer 22 (the number of turns and the position of a pointer are noticed by the rotation of the micrometer, after the pipe ruler is calibrated, an error value can be calculated when the pipe ruler is used for comparing and measuring parts), at the moment, the reading of the digital display 8 (set as X) is added with the numbers (L1 + L2 in the second drawing, the values are calibrated and engraved on the left measuring block 2 and the right measuring block 4, and set as A) to obtain the size (X + A) of the calibrated pipe ruler, and at the pipe ruler can be used for comparing and measuring parts.

Setting the outer dimension of the tube ruler (the set tube ruler can be used for comparing the inner dimension of the measurement part): after the pipe ruler is normally started, the rough movement hand wheel 6 is rotated to enable the left measurement block 2 to be reliably contacted with the right measurement block 4, the coordinate is set to be zero by clicking the 'X0' of the digital display meter 8, then the rough movement hand wheel 6 is rotated according to the approximate size of a pipe ruler to be corrected, the right measurement block 4 is moved to an enough position (which can be roughly determined from the reading of the rough positioning scale 10 and can also be roughly determined from the reading of the digital display meter 8), then the locking handle 5 is locked, the prepared pipe ruler set 21 is placed on the left measurement block 2 and the right measurement block 4 to be reliably contacted and positioned with the upper planes of the left measurement block 2 and the right measurement block 4, the pipe ruler measurement head 20 is contacted with the right side face of the left measurement block 2, the micrometer gauge 22 of the pipe ruler is contacted with the left side face of the right measurement block 4, and the left and right micromotion of the right measurement block are enabled to be micromotion through the fine adjustment hand wheel 9, so that the precise adjustment of the dimension of the measured ruler is realized. The measuring head of the micrometer 22 is lightly contacted with the left side surface of the right measuring block 4 to ensure the reading accuracy of the micrometer 22, then the micromotion locking handle 7 is locked, the left end of the pipe ruler is held, the measuring head 20 of the pipe ruler is kept in contact with the right side surface of the left measuring block 2, the right end of the pipe ruler is deflected forwards and backwards, the maximum value of the reading of the micrometer 22 is found (the rotating number of turns and the pointer position of the micrometer are noticed, after the pipe ruler is calibrated, the error value can be calculated when the pipe ruler is used for comparing and measuring parts), at the moment, the reading of the digital display 8 (set as X) is obtained, the obtained value is the size (X) of the calibrated pipe ruler, and at the moment, the pipe ruler can be used for comparing and measuring parts.

The inside and outside size of pipe chi can correctly be markd to this embodiment, then, the pipe chi just can be taken to measure the various large-scale parts that need measure.

The utility model relates to an instrument that is used for absolute measurement and relative measurement's length to markd or measure can directly be used for the benchmark of calibration bridge chi, ruler, pipe chi etc. to set for the measurement. The instrument applies a high-precision metal grating measuring system, adopts a digital display meter to display and process data, is a high-tech product integrating light, machine, electricity and calculation, and has higher measuring precision and operating efficiency.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An end degree comparator is characterized in that: the device comprises a base (1), a left measuring block (2) and a right measuring block (4), wherein the left measuring block (2) is fixedly arranged at the left end of the base (1), a coarse positioning scale (10) and a grating ruler (13) are arranged at the front end of the base (1), a coarse moving sliding frame (12) is arranged on the base (1), a coarse positioning groove (3) and a grating reading head (14) are arranged at the front end of the coarse moving sliding frame (12), a micro-movable sliding plate (11) is arranged on the right side of the left measuring block (2) and the coarse moving sliding frame (12), and the right measuring block (4) is arranged on the micro-movable sliding plate (11); a coarse moving hand wheel (6) and a locking handle (5) are arranged on the coarse moving sliding frame (12); a fine motion hand wheel (9) is arranged on the right side of the right measuring block (4), and a fine motion locking handle (7) is arranged on the fine motion hand wheel (9); and a digital display meter (8) is also arranged on the rough movement sliding frame (12).

2. An endlength comparator as claimed in claim 1, wherein: the digital display meter (8) is electrically connected with a grating reading head (14) arranged on the coarse movement sliding frame (12).

3. An endlength comparator as claimed in claim 1, wherein: when the length value of the left measuring block (2) and the length value of the right measuring block (4) are calibrated and marked when the pipe ruler, the bridge ruler and the straight ruler are calibrated.

4. An endlength comparator as claimed in claim 1, wherein: the grating ruler (13) and the grating reading head (14) form a grating measuring system, and the digital display meter (8) is a digital display system; the digital display system, model DS402, manufacturer: the end is large and precise; the grating measurement system, model RGS20-S, RGH X30F 00A, manufacturer: renysha, UK.