CN204461291U - A kind of testing tool for measuring step shaft size error - Google Patents
A kind of testing tool for measuring step shaft size error Download PDFInfo
- Publication number
- CN204461291U CN204461291U CN201520161921.6U CN201520161921U CN204461291U CN 204461291 U CN204461291 U CN 204461291U CN 201520161921 U CN201520161921 U CN 201520161921U CN 204461291 U CN204461291 U CN 204461291U
- Authority
- CN
- China
- Prior art keywords
- step shaft
- testing tool
- shaft size
- base
- etalon
- 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
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- A Measuring Device Byusing Mechanical Method (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
A kind of testing tool for measuring step shaft size error disclosed in the utility model, comprise the etalon be jointly made up of the bottom base frame be connected and upper boss, bottom base frame is provided with measurement base, measure on base and be connected with measurement mechanism, the chaining pin of measurement mechanism and the upper boss of etalon are just to setting.A kind of testing tool structure for measuring step shaft size error of the present utility model is simple, easy to use, flexible, carry out contrast by etalon and obtain Step Shaft size to be measured whether in error range, therefore its not only testing efficiency is high, and determine to greatly reduce to the error of error range.
Description
Technical field
The utility model belongs to pick-up unit technical field, is specifically related to a kind of testing tool for measuring step shaft size error.
Background technology
Step Shaft is applied widely in various engineering goods, the quality of its dimensional accuracy to its engineering goods has very important significance, after such as, being press fit into hydraulic pump gear for the spline joint of automotive field in Step Shaft, need to ensure that the height dimension of its upper boss is between the precision of 18.5mm-19.5mm, and to measure Step Shaft upper boss height be at present generally that staff adopts pit gauge or slide calliper rule to measure, this manual measurement method efficiency is very low, and measurement result also easily occurs deviation thus causes erroneous judgement.
Utility model content
The purpose of this utility model is to provide a kind of testing tool for measuring step shaft size error, the inefficiency that the method solving existing measurement Step Shaft upper boss exists and the shortcoming easily occurring deviation.
The technical scheme that the utility model adopts is: a kind of testing tool for measuring step shaft size error, comprise the etalon be jointly made up of the bottom base frame be connected and upper boss, bottom base frame is provided with measurement base, measure on base and be connected with measurement mechanism, the chaining pin of measurement mechanism and the upper boss of etalon are just to setting.
Feature of the present utility model is also,
The shape measuring base is the tubular of bottom opening, and measurement mechanism is dial gauge, and dial gauge is fixed on the upper surface of measurement base.
The connecting link of dial gauge welds or is riveted on the upper surface of measurement base.
The beneficial effects of the utility model are: a kind of testing tool structure for measuring step shaft size error of the present utility model is simple, easy to use, flexible, carry out contrast by etalon and obtain Step Shaft size to be measured whether in error range, therefore its not only testing efficiency is high, and determine to greatly reduce to the error of error range.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of testing tool for measuring step shaft size error of the present utility model;
Fig. 2 is the using state figure of a kind of testing tool for measuring step shaft size error of the present utility model.
In figure, 1. measurement mechanism, 2. measures base, 3. Step Shaft to be measured, 4. calibrates measurer.
Embodiment
Below in conjunction with embodiment, the utility model is described in detail.
The structure of a kind of testing tool for measuring step shaft size error that the utility model provides as shown in Figure 1, comprise the etalon 4 be jointly made up of the bottom base frame be connected and upper boss, the height error of the upper boss of etalon 4 is much smaller than the permissible error scope of Step Shaft to be measured, bottom base frame is provided with and measures base 2, measure on base 2 and be connected with measurement mechanism 1, the chaining pin of measurement mechanism 1 and the upper boss of etalon 4 are just to setting.
The shape measuring base 2 is the tubular of bottom opening, and measurement mechanism 1 is dial gauge, and dial gauge is fixed on the upper surface of measurement base 2.
The connecting link of dial gauge welds or is riveted on the upper surface of measurement base 2.
During use as shown in Figure 2, first measurement base 2 is positioned on the bottom base frame of etalon 4, the upper boss that the chaining pin of dial gauge props up etalon 4 obtains the height of upper boss, then this is made highly to become the zero graduation doing and contrast to be reset by dial gauge, the permissible error size marking of Step Shaft 3 to be measured is used for doing the zero graduation both sides contrasted on dial gauge simultaneously, finally measurement base 2 is positioned on the bottom base frame of Step Shaft 3 to be measured, the upper boss that the chaining pin of dial gauge props up Step Shaft 3 to be measured obtains its phase difference size relative to etalon 4, only need observe the pointer of dial gauge whether in the scope of mark, if it is the upper boss height dimension of this Step Shaft 3 to be measured is qualified, if the pointer of dial gauge exceeds mark scope, represent that the upper boss height dimension of this Step Shaft 3 to be measured is defective.
Claims (3)
1. one kind for measuring the testing tool of step shaft size error, it is characterized in that, comprise the etalon (4) be jointly made up of the bottom base frame be connected and upper boss, described bottom base frame is provided with and measures base (2), described measurement base (2) is connected with measurement mechanism (1), and the chaining pin of described measurement mechanism (1) and the upper boss of etalon (4) are just to setting.
2. a kind of testing tool for measuring step shaft size error as claimed in claim 1, it is characterized in that, the shape of described measurement base (2) is the tubular of bottom opening, described measurement mechanism (1) is dial gauge, and described dial gauge is fixed on the upper surface of measurement base (2).
3. a kind of testing tool for measuring step shaft size error as claimed in claim 2, is characterized in that, the connecting link welding of described dial gauge or be riveted on measure base (2) upper surface on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520161921.6U CN204461291U (en) | 2015-03-20 | 2015-03-20 | A kind of testing tool for measuring step shaft size error |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520161921.6U CN204461291U (en) | 2015-03-20 | 2015-03-20 | A kind of testing tool for measuring step shaft size error |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204461291U true CN204461291U (en) | 2015-07-08 |
Family
ID=53668164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520161921.6U Expired - Fee Related CN204461291U (en) | 2015-03-20 | 2015-03-20 | A kind of testing tool for measuring step shaft size error |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204461291U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105784961A (en) * | 2016-03-07 | 2016-07-20 | 湖北帅力化工有限公司 | Device for testing detonation velocity of explosive at low temperature |
-
2015
- 2015-03-20 CN CN201520161921.6U patent/CN204461291U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105784961A (en) * | 2016-03-07 | 2016-07-20 | 湖北帅力化工有限公司 | Device for testing detonation velocity of explosive at low temperature |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20150708 Termination date: 20180320 |