CN203940816U - A kind of calibrating installation - Google Patents

A kind of calibrating installation Download PDF

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Publication number
CN203940816U
CN203940816U CN201420366692.7U CN201420366692U CN203940816U CN 203940816 U CN203940816 U CN 203940816U CN 201420366692 U CN201420366692 U CN 201420366692U CN 203940816 U CN203940816 U CN 203940816U
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CN
China
Prior art keywords
digital display
calibrating installation
dial gauge
display dial
support
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.)
Expired - Fee Related
Application number
CN201420366692.7U
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Chinese (zh)
Inventor
周炎华
胡彬
陈小骏
汪焰
毛红
郭华方
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.)
Wuhan Iron and Steel Co Ltd
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Wuhan Iron and Steel Group Corp
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Filing date
Publication date
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Priority to CN201420366692.7U priority Critical patent/CN203940816U/en
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Publication of CN203940816U publication Critical patent/CN203940816U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to length metering technical field, relates in particular to a kind of calibrating installation, and for calibrating the depth of parallelism of tested leveling ruler, described calibrating installation comprises: base, and base is placed on the dull and stereotyped workplace for placing leveling ruler; Jacking gear, jacking gear is vertically set on base; Support, one end of support is connected with jacking gear, can move up and down along jacking gear; Digital display dial gauge, digital display dial gauge is fixedly installed on the other end of support, and the gauge head of digital display dial gauge contacts with the workplace of leveling ruler in the time that calibrating installation is worked.The utility model has adopted digital display dial gauge to make that measuring accuracy is high, convenient reading, and the utility model simple in structure, be easy to carry, easy to operate, good stability, and can shorten detection time, raise labour efficiency.

Description

A kind of calibrating installation
Technical field
The utility model relates to length metering technical field, relates in particular to a kind of calibrating installation.
Background technology
Leveling ruler is the measurer for measuring workpieces surface linearity and flatness, is also that execute-in-place workman utilizes leveling ruler to detect the measurement standard of rail straight line degree and the depth of parallelism.Leveling ruler is workman adjusts rail straight line degree and depth of parallelism size important evidence according to detection data, and the linearity of leveling ruler and the error of the depth of parallelism directly affect the product quality of rail.In order to measure in real time and control all kinds of rail straight line degree and depth of parallelism size, make it to reach the up-to-standard requirement of rail.According to the requirement of national metering technology normalized " JJF1097-2003 ", leveling ruler parallelism error is respectively 15 μ m, 21 μ m, 27 μ m.Owing to producing, heavy rail task is more, workload is large, leveling ruler frequently uses, and weares and teares larger, puts the reasons such as lack of standardization, cause leveling ruler distortion, easily produce larger error, as metering testing staff, need calibrate well damage or underproof leveling ruler, because the accuracy of leveling ruler directly has influence on the product quality that shuts out heavy rail, so must carry out cycle detection and calibration to it because of above-mentioned reason in testing.
In prior art, due to the depth of parallelism physical dimension complexity of leveling ruler, when detection, adopt the method for two workplace thickness differences of miking leveling ruler, the method is original loaded down with trivial details, take time and effort, error is larger, and detect leveling ruler needs 2 people to spend 2 hours just to complete at every turn.And due to limited with the position of miking leveling ruler, can only measure the edge of leveling ruler, can not truly reflect the parallelism error of leveling ruler.In the market, the unspecial checkout equipment for leveling ruler.
Utility model content
In order to overcome above-mentioned defect, the utility model embodiment provides that a kind of measuring accuracy is high, convenient reading, be easy to carry, calibrate the calibrating installation for the leveling ruler depth of parallelism fast.
The application provides following technical scheme by the application's a embodiment:
A kind of calibrating installation, for calibrating the depth of parallelism of tested leveling ruler, described calibrating installation comprises: base, described base is placed on the dull and stereotyped workplace for placing described leveling ruler; Jacking gear, described jacking gear is vertically set on described base; Support, one end of described support is connected with described jacking gear, can move up and down along described jacking gear; Digital display dial gauge, described digital display dial gauge is fixedly installed on the other end of described support, and the gauge head of described digital display dial gauge contacts with the workplace of described leveling ruler in the time of described calibrating installation work.
In such scheme, described jacking gear comprises: screw thread column, and described screw thread column is vertically set on described base, and one end of described support is set on described screw thread column; Lifting nut, described lifting nut is positioned at the below of described support, and is threaded with described screw thread column; The height of described support regulates by described lifting nut; Clamp nut, described clamp nut is positioned at the top of described support, and is threaded with described screw thread column; Described clamp nut coordinates with described lifting nut, and described support is fixed on described screw thread column.
In such scheme, one end of fixing described digital display dial gauge on described support is provided with groove, and described digital display dial gauge is fixed in described groove by the first trip bolt.
In such scheme, described susceptor surface roughness is less than Ra0.10 μ m.
In such scheme, described calibrating installation also comprises:
Degree of depth indicating gauge, described degree of depth indicating gauge is replaced described digital display dial gauge, and is fixed in described groove by the second trip bolt.
The beneficial effect of the utility model embodiment is as follows:
What the utility model one embodiment provided is a kind of for calibrating the calibrating installation of the tested leveling ruler depth of parallelism, because support can move up and down with jacking gear, and then drive digital display dial gauge lifting to contacting with the workplace of leveling ruler, now mobile leveling ruler only, can be by the parallelism error that calculates of reading on digital display dial gauge.The utility model has adopted digital display dial gauge to make that measuring accuracy is high, convenient reading, and the utility model simple in structure, be easy to carry, easy to operate, good stability, and can shorten detection time, raise labour efficiency.
Brief description of the drawings
The structural representation of a kind of calibrating installation that Fig. 1 provides for the utility model one embodiment;
The working state schematic representation of a kind of calibrating installation calibration leveling ruler depth of parallelism that Fig. 2 provides for the utility model one embodiment;
A kind of calibrating installation that Fig. 3 provides for another embodiment of the utility model is examined and determine the working state schematic representation of degree of depth indicating gauge.
Embodiment
What the utility model one embodiment provided is a kind of for calibrating the calibrating installation of the tested leveling ruler depth of parallelism, because support can move up and down with jacking gear, and then drive digital display dial gauge lifting to contacting with the workplace of leveling ruler, now mobile leveling ruler only, can be by the parallelism error that calculates of reading on digital display dial gauge.The utility model has adopted digital display dial gauge to make that measuring accuracy is high, convenient reading, and the utility model simple in structure, be easy to carry, easy to operate, good stability, and can shorten detection time, raise labour efficiency.
For making object, technical scheme and the advantage of the application one embodiment clearer, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is some embodiments of the present application, instead of whole embodiment.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
For making those skilled in the art understand more in detail the utility model, below in conjunction with accompanying drawing, the utility model is described in detail.
Embodiment 1:
As depicted in figs. 1 and 2, a kind of calibrating installation that the present embodiment provides, for calibrating the depth of parallelism of tested leveling ruler, described calibrating installation comprises: base 1, described base 1 is placed on flat board 10 workplaces for placing described leveling ruler 9; Jacking gear, described jacking gear is vertically set on base 1; Support 5, one end of described support 5 is connected with described jacking gear, can move up and down along described jacking gear; Digital display dial gauge 6, described digital display dial gauge 6 is fixedly installed on the other end of described support 5, and its measuring accuracy is 0.001mm, and the gauge head of described digital display dial gauge 6 contacts with the workplace of described leveling ruler 9 in the time of described calibrating installation work.
Further, described jacking gear comprises:
Screw thread column 4, described screw thread column 4 is vertically set on described base 1, and one end of described support 5 is set on described screw thread column 4; Described screw thread column 4 is fixed on described base 1 by the mode of welding or be threaded;
Lifting nut 2, described lifting nut 2 is positioned at the below of described support 5, and is threaded with described screw thread column 4; The height of described support 5 regulates by described lifting nut 2;
Clamp nut 3, described clamp nut 3 is positioned at the top of described support 5, and is threaded with described screw thread column 4; Described clamp nut 3 coordinates with described lifting nut 2, and described support 5 is fixed on described screw thread column 4;
Wherein, screw thread column 4 must ensure vertically, to stablize cooperation and do not stay gap between the each parts of processing request, and lifting nut 3 requires stability of rotation flexible; Support 5 can freely rotate, steadily mobile, convenient mounting and clamping, and accurate positioning is reliable.
Further, one end of fixing described digital display dial gauge 6 on described support 5 is provided with groove, and described digital display dial gauge 6 is fixed in described groove by the first trip bolt 8.
Further, described base 1 is the guarantee of whole calibrating installation stability, so flatness there are certain requirements, adds and ensures that basic skill or training is not more than 0.003mm as flatness man-hour, and weight requires to be not less than 5kg to reach stability requirement.Described base 2 surfacenesses are less than Ra0.10 μ m.
The method that uses the present embodiment to calibrate leveling ruler:
(1) leveling ruler 9 is placed on worktable, puts surely and set level, process on comprehensively polish burr and surface of the upper workplace with boron carbide oilstone to leveling ruler 9 and lower workplace.Be positioned over isothermal on 00 grade of flat board 10 workplace.
(2) base 1 is placed on 00 grade of flat board 10 workplace, utilize lifting nut 2 runing rest 5 on screw thread column 4 to adjust to the height that is applicable to calibration leveling ruler 9, adjust complete, swinging mounting 5, support 5 use clamp nuts 3 are tightened, digital display dial gauge 6 is installed, and put into the groove of support 5, tighten up digital display dial gauge 6 with the first trip bolt 8, make the gauge head and 00 grade of vertical contact of flat board 10 workplaces of digital display dial gauge 6.
(3) before operation, 00 grade of flat board 10 workplace is wiped clean, leveling ruler 9 is placed on 00 grade of flat board 10 workplace, move forward and backward leveling ruler 9 and make leveling ruler 9 workplaces and 00 grade of flat board 10 workplace uniform contact, leveling ruler 9 is moved on to leveling ruler depth of parallelism calibrating installation below, depending on the height of leveling ruler 9, adjust lifting nut 2 gauge head of digital display dial gauge 6 is contacted with leveling ruler 9 workplaces.Select the standard gauge block of corresponding size to zero, only move tested leveling ruler 9 when detection, determine check point according to the length of leveling ruler 9, detect successively each point, the leveling ruler 9 that is greater than 80mm for measurement range should be with the gauge block of corresponding leveling ruler 9 measurement lower limits to zero.Reading on digital display dial gauge 6, records and calculates its parallelism error, draws the detection data of leveling ruler 9, and corresponding leveling ruler 9 calibrating standard table 4 class of accuracies, provide calibration certificate.
Embodiment 2:
As shown in Figure 3, the calibrating installation that the present embodiment provides, compared with embodiment 1, be digital display dial gauge to be replaced as degree of depth indicating gauge 11, described degree of depth indicating gauge 11 is fixed in the groove of support 5 one end by the second trip bolt 7, described the second trip bolt 7 is arranged on groove side, the error of indication of selecting 83 group standard gauge blocks can examine and determine degree of depth indicating gauge.
While using the present embodiment to examine and determine the degree of depth, first degree of depth indicating gauge 11 is arranged in groove support 5 groove workplaces with holes, utilize lifting nut 2 down rotation on screw thread column 4, make degree of depth indicating gauge 6 gauge heads and 00 grade of vertical contact of flat board 10 workplaces, adjust zero-bit, tighten with the second clamp nut 7, mobile measuring staff five times, see indicating value mobility when degree of depth indicating gauge 11 gauge heads contact with 00 grade of flat board 10 workplace, if any variation, before calibrating, can adjust the zero-bit of degree of depth indicating gauge 11, as unchanged, can examine and determine.Determine calibrating point according to measurement range or impulse stroke, the difference of the displayed value of degree of depth indicating gauge 11 and corresponding gauge block 12 physical sizes is the error of indication of this point.Measure successively the error of indication of all the other measurement points with said method, get the maximal value of absolute value of the each point error of indication as measurement result.
Technical scheme in above-mentioned the embodiment of the present application, at least has following technique effect or advantage:
What 1, the utility model one embodiment provided is a kind of for calibrating the calibrating installation of the tested leveling ruler depth of parallelism, because support can move up and down with jacking gear, and then drive digital display dial gauge lifting to contacting with the workplace of leveling ruler, now mobile leveling ruler only, can be by the parallelism error that calculates of reading on digital display dial gauge.The utility model has adopted digital display dial gauge to make that measuring accuracy is high, convenient reading, and the utility model simple in structure, be easy to carry, easy to operate, good stability, and can shorten detection time, raise labour efficiency.
2, digital display dial gauge is replaced as after godhood indicating gauge to the error of indication that a kind of calibrating installation that another embodiment of the utility model provides can be used to examine and determine degree of depth indicating gauge.
Obviously, those skilled in the art can carry out various changes and modification and not depart from spirit and scope of the present utility model the utility model.Like this, if these amendments of the present utility model and within modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model is also intended to comprise these changes and modification interior.

Claims (5)

1. a calibrating installation, for calibrating the depth of parallelism of tested leveling ruler, is characterized in that, described calibrating installation comprises:
Base, described base is placed on the dull and stereotyped workplace for placing described leveling ruler;
Jacking gear, described jacking gear is vertically set on described base;
Support, one end of described support is connected with described jacking gear, can move up and down along described jacking gear;
Digital display dial gauge, described digital display dial gauge is fixedly installed on the other end of described support, and the gauge head of described digital display dial gauge contacts with the workplace of described leveling ruler in the time of described calibrating installation work.
2. calibrating installation as claimed in claim 1, is characterized in that, described jacking gear comprises:
Screw thread column, described screw thread column is vertically set on described base, and one end of described support is set on described screw thread column;
Lifting nut, described lifting nut is positioned at the below of described support, and is threaded with described screw thread column; The height of described support regulates by described lifting nut;
Clamp nut, described clamp nut is positioned at the top of described support, and is threaded with described screw thread column; Described clamp nut coordinates with described lifting nut, and described support is fixed on described screw thread column.
3. calibrating installation as claimed in claim 1, is characterized in that, one end of fixing described digital display dial gauge on described support is provided with groove, and described digital display dial gauge is fixed in described groove by the first trip bolt.
4. calibrating installation as claimed in claim 1, is characterized in that, described susceptor surface roughness is less than Ra0.10 μ m.
5. calibrating installation as claimed in claim 3, is characterized in that, described calibrating installation also comprises:
Degree of depth indicating gauge, described degree of depth indicating gauge is replaced described digital display dial gauge, and is fixed in described groove by the second trip bolt.
CN201420366692.7U 2014-07-03 2014-07-03 A kind of calibrating installation Expired - Fee Related CN203940816U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420366692.7U CN203940816U (en) 2014-07-03 2014-07-03 A kind of calibrating installation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420366692.7U CN203940816U (en) 2014-07-03 2014-07-03 A kind of calibrating installation

Publications (1)

Publication Number Publication Date
CN203940816U true CN203940816U (en) 2014-11-12

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106767270A (en) * 2017-03-10 2017-05-31 湖南科技大学 A kind of composite beam plate end slides measurement apparatus
CN109708557A (en) * 2018-12-29 2019-05-03 贵州航天计量测试技术研究所 A kind of calibrating installation of concrete carburized depth meter
CN110672000A (en) * 2019-10-23 2020-01-10 中国核动力研究设计院 Device suitable for measuring levelness of sealing surface of pressurized water reactor pressure vessel and using method
CN112945046A (en) * 2019-11-26 2021-06-11 北京福田康明斯发动机有限公司 Plug gauge calibrating tool and method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106767270A (en) * 2017-03-10 2017-05-31 湖南科技大学 A kind of composite beam plate end slides measurement apparatus
CN109708557A (en) * 2018-12-29 2019-05-03 贵州航天计量测试技术研究所 A kind of calibrating installation of concrete carburized depth meter
CN110672000A (en) * 2019-10-23 2020-01-10 中国核动力研究设计院 Device suitable for measuring levelness of sealing surface of pressurized water reactor pressure vessel and using method
CN112945046A (en) * 2019-11-26 2021-06-11 北京福田康明斯发动机有限公司 Plug gauge calibrating tool and method

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20170726

Address after: 430080 Qingshan District stock company of Hubei, Wuhan Province

Patentee after: Wuhan iron and Steel Company Limited

Address before: 430080 Friendship Avenue, Hubei, Wuhan, No. 999

Patentee before: Wuhan Iron & Steel (Group) Corp.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141112

Termination date: 20180703