CN211576232U - Standard device of grating type indicating meter calibrating instrument - Google Patents

Standard device of grating type indicating meter calibrating instrument Download PDF

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Publication number
CN211576232U
CN211576232U CN202020611436.5U CN202020611436U CN211576232U CN 211576232 U CN211576232 U CN 211576232U CN 202020611436 U CN202020611436 U CN 202020611436U CN 211576232 U CN211576232 U CN 211576232U
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CN
China
Prior art keywords
clamping device
host computer
lever
meter
clamp
Prior art date
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Active
Application number
CN202020611436.5U
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Chinese (zh)
Inventor
陈康
夏天豪
黄伟城
陈博杰
邬振华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Metrology And Testing Institute
Zhejiang Fangzheng Calibration Co ltd
Taizhou Metering Equipment Technology Calibration Center
Original Assignee
Ningbo Metrology And Testing Institute
Zhejiang Fangzheng Calibration Co ltd
Taizhou Metering Equipment Technology Calibration Center
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ningbo Metrology And Testing Institute, Zhejiang Fangzheng Calibration Co ltd, Taizhou Metering Equipment Technology Calibration Center filed Critical Ningbo Metrology And Testing Institute
Priority to CN202020611436.5U priority Critical patent/CN211576232U/en
Application granted granted Critical
Publication of CN211576232U publication Critical patent/CN211576232U/en
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Abstract

The utility model discloses a grating formula instruction table examination appearance standard device, including examining and determine the appearance host computer, the tip of examining and determining the appearance host computer is equipped with examination appearance side lever, the internal diameter meter anchor clamps are installed to the tip of examining and determining the appearance host computer, be connected with clamping device on the internal diameter meter anchor clamps, last instruction table or the lever meter of installing of clamping device, clamping device's below is equipped with the banding workstation that is located examination appearance host computer upper surface, the semicircle post side piece has been placed to banding workstation top to under the combined action of each part, can accurately reach the influence of the radial atress of measuring staff to the indicating value to and the indicating value repeatability that reachs the lever meter that can be accurate, accurate through the numerical value that reachs accurate numerical value of repeatability, satisfy the actual operation demand.

Description

Standard device of grating type indicating meter calibrating instrument
Technical Field
The utility model relates to a grating formula instruction table examination appearance technical field specifically is a grating formula instruction table examination appearance standard device.
Background
With the progress of society and the rapid development of industry, the requirements on the accuracy and the measurement precision of the indicating meter and the lever meter in production and use of enterprises are higher and higher. The influence of the repeatability of the indicating gauge and the lever gauge and the radial stress of the measuring rod of the indicating gauge on the indicating value is an important technical index for judging the measuring performance of the indicating gauge and the lever gauge, and the accuracy and reliability of the influence of the repeatability of the measuring rod and the radial stress of the measuring rod on the indicating value also play an important role in the detection of errors of the indicating gauge and the lever indicating value.
Currently, the indicating gauge and the lever gauge are classified into a pointer type indicating gauge and a digital display type indicating gauge. The pointer type indicator is a measuring instrument which converts the linear displacement of a measuring rod into the angular displacement of a pointer by utilizing the rotation of a rack and a gear or the rotation of a lever and the gear; the digital display type indicating meter is a measuring instrument which displays the linear displacement of a measuring rod by numbers, and a standard device of a grating type indicating meter calibrator is provided for the purpose.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The not enough to prior art, the utility model provides a grating formula dial gauge examination appearance standard device has solved the problem of the radial atress of current dial gauge and lever meter repeatability and dial gauge measuring staff to the indicating value.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a grating formula dial gage examination appearance standard device, is including examining and determine the appearance host computer, the tip of examining and determining the appearance host computer is equipped with examination appearance side lever, examine and determine the tip of appearance host computer and install interior diameter table anchor clamps, be connected with clamping device on the interior diameter table anchor clamps, last dial gage or the lever meter of installing of clamping device, clamping device's below is equipped with the banding workstation that is located examination appearance host computer upper surface, the semicircle column side piece has been placed to banding workstation top.
Preferably, the clamping device can be an indicator clamp or a lever meter clamp, the indicator clamp is used for clamping and fixing the indicator, and the lever meter clamp is used for clamping and fixing the lever meter.
Preferably, the inside diameter gauge clamp is provided with an inside diameter gauge.
Preferably, the side rod of the calibrating instrument is opposite to the clamping device, and the clamping device is positioned right above the ribbed workbench.
Preferably, the bottom of the calibrating instrument host is provided with support pads arranged in a matrix, and the upper part of the left end of the calibrating instrument host is preset with an installation space.
(III) advantageous effects
The utility model provides a grating formula instruction table examination appearance standard device. The method has the following beneficial effects: under the combined action of each part, can accurately obtain the influence of the radial atress of measuring staff to the indicating value to and the indicating value repeatability that reachs the lever table that can be accurate, through the accurate numerical value that reachs of repeatability, satisfy actual operation demand.
Drawings
FIG. 1 is a schematic diagram of the semi-automatic grating type dial indicator calibrating instrument for calibrating the repeatability of the dial indicator of the utility model;
FIG. 2 is a schematic diagram showing the influence of the radial stress of the measuring rod of the calibration indicating gauge of the semi-automatic grating indicating gauge calibration instrument on the indicating value;
fig. 3 is the utility model discloses semi-automatic grating type dial gauge examination appearance examination lever table repeatability schematic diagram.
In the figure: 1. a calibrating instrument host; 2. an inside diameter gauge clamp; 3. a clamping device; 31. an indication table; 32. a lever meter; 4. a ribbed work bench; 5. calibrating a side lever of the instrument; 6. semi-cylindrical lateral blocks.
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 belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a grating formula dial gage examination appearance standard device, is including examining and determine appearance host computer 1, the tip of examining and determining appearance host computer 1 is equipped with examination appearance side lever 5, interior diameter table anchor clamps 2 are installed to the tip of examining and determining appearance host computer 1, be connected with clamping device 3 on the interior diameter table anchor clamps 2, install instruction table 31 or lever table 32 on the clamping device 3, clamping device 3's below is equipped with the banding workstation 4 that is located on examining and determining appearance host computer 1 upper surface, semicylinder side block 6 has been placed to banding workstation 4 top.
For convenience of fixing, the clamping device 3 may be an indicator clamp or a lever meter clamp, the indicator clamp is used for clamping and fixing the indicator 31, the lever meter clamp is used for clamping and fixing the lever meter 32, and when the clamping device is installed, the axis of the indicator 31 and the lever meter 32 can be perpendicular to the ribbed workbench 4.
For convenience of reading, the inside diameter gauge clamp 2 is provided with an inside diameter gauge.
Meeting the operation requirement in future, examination appearance side lever 5 is just to clamping device 3, clamping device 3 is located the ribbed workstation 4 directly over.
The support of the calibrating instrument is more stable, the bottom of the calibrating instrument host 1 is provided with support pads arranged in a matrix manner, so that the calibrating instrument host can be stably placed, and the upper part of the left end of the calibrating instrument host 1 is preset with an installation space so as to reserve enough installation and operation space.
First, indicating the repeatability of the table
Embodiment 1:
the indicating gauge is arranged on an inner diameter gauge clamp 2, the axis of a measuring rod of the indicating gauge 31 is perpendicular to a ribbed workbench 4, large pointers are respectively adjusted to align to a certain graduation or a certain numerical value at the beginning position, the middle position and the last position of the measuring range of the indicating gauge, the measuring rod of the indicating gauge is lifted by equal force for 5 times, and the difference between the maximum value and the minimum value in the 5 times is the representation repeatability (shown in figure 1) on the detecting position of the indicating gauge.
Namely:
AMax- - -maximum value;
AMin-a minimum value.
AMax-AMin=ARepeatability of
This test is also carried out at the middle and end positions of the measurement range, taking the maximum of the three values as the indicator repeatability.
Embodiment 2:
on the lever meter clamp of the lever meter 32, the axis of the measuring head of the lever meter 32 is parallel to the table surface of the ribbed workbench 4, then the semi-cylindrical side block 6 is placed on the ribbed workbench 4, the measuring head of the lever meter 32 is adjusted to be in contact with the highest point of the bus of the semi-cylindrical side block 6, the pointer position of the lever meter 32 is approximately at the middle point of the measuring range at the moment, the semi-cylindrical side block is moved back and forth 5 times along the vertical direction of the bus of the semi-cylindrical side block 6 in the same direction on the ribbed workbench 4, the value of the semi-cylindrical side block is read when the highest point of the semi-cylindrical side block 6 is in contact with the measuring head of the lever meter 32 to generate the maximum value (turning point), and the difference between the maximum value and the minimum value in the 5 times of the values is taken as.
Namely:
AMax- - -maximum value;
AMin-a minimum value.
AMax-AMin=ARepeatability of
The repeatability of the lever indicator is detected in two acting directions of the measuring head respectively, and the detection numerical values in the two directions take a maximum numerical value as the repeatability of the lever indicator.
Second, the influence of the radial stress of the measuring rod of the indicating gauge on the indicating value
The method comprises the steps of installing an indicator 31 on a gauge clamp, enabling the axis of a measuring rod of the indicator 31 to be perpendicular to a ribbed workbench 4, placing a semi-cylindrical side block 6 between a measuring head of the indicator and the ribbed workbench 4, adjusting the indicator to be in contact with the highest position of a cylindrical surface bus of the semi-cylindrical side block 6 at the initial position of a measuring range, moving the semi-cylindrical side block twice at the front position, the rear position, the left position and the right position of the indicator respectively along the vertical direction of the cylindrical surface bus of the semi-cylindrical side block 6, reading the numerical value of the semi-cylindrical side block when the highest point of the bus of the semi-cylindrical side block 6 is in contact with the measuring head of the indicator at each time when the maximum value (turning point) appears, and taking the difference between the maximum value and the minimum value as the influence of the radial stress of the measuring rod on.
Namely:
BMax- - -maximum value;
BMin-a minimum value.
BMax-BMin=BInfluence of the indication
The detection is carried out at the middle and the last two positions of the measuring range, and the maximum value of the three positions is taken as the influence of the radial stress of the measuring rod on the indicating value of the indicating meter.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
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 (5)

1. The utility model provides a grating formula indicating gauge examination appearance standard device, includes examination appearance host computer (1), its characterized in that: the utility model discloses a calibrating device, including calibrating apparatus host computer (1), inside diameter table anchor clamps (2) are installed to the tip of calibrating apparatus host computer (1), be connected with clamping device (3) on inside diameter table anchor clamps (2), install instruction list (31) or lever table (32) on clamping device (3), the below of clamping device (3) is equipped with and is located banding workstation (4) on calibrating apparatus host computer (1) upper surface, semicylinder lateral block (6) have been placed to banding workstation (4) top.
2. A grating type dial gauge calibration device according to claim 1, characterized in that: the clamping device (3) can be an indicator clamp or a lever meter clamp, the indicator clamp is used for clamping and fixing the indicator (31), and the lever meter clamp is used for clamping and fixing the lever meter (32).
3. A grating type dial gauge calibration device according to claim 1, characterized in that: and the inner diameter meter clamp (2) is provided with an inner diameter meter.
4. A grating type dial gauge calibration device according to claim 1, characterized in that: the calibrating instrument side rod (5) is right opposite to the clamping device (3), and the clamping device (3) is located right above the ribbed workbench (4).
5. A grating type dial gauge calibration device according to claim 1, characterized in that: the bottom of the calibrating instrument host (1) is provided with support pads arranged in a matrix, and the upper part of the left end of the calibrating instrument host (1) is preset with an installation space.
CN202020611436.5U 2020-04-22 2020-04-22 Standard device of grating type indicating meter calibrating instrument Active CN211576232U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020611436.5U CN211576232U (en) 2020-04-22 2020-04-22 Standard device of grating type indicating meter calibrating instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020611436.5U CN211576232U (en) 2020-04-22 2020-04-22 Standard device of grating type indicating meter calibrating instrument

Publications (1)

Publication Number Publication Date
CN211576232U true CN211576232U (en) 2020-09-25

Family

ID=72527872

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020611436.5U Active CN211576232U (en) 2020-04-22 2020-04-22 Standard device of grating type indicating meter calibrating instrument

Country Status (1)

Country Link
CN (1) CN211576232U (en)

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