CN201803676U - Tool for measuring internal diameter of cylindrical helical spring - Google Patents
Tool for measuring internal diameter of cylindrical helical spring Download PDFInfo
- Publication number
- CN201803676U CN201803676U CN2010205070972U CN201020507097U CN201803676U CN 201803676 U CN201803676 U CN 201803676U CN 2010205070972 U CN2010205070972 U CN 2010205070972U CN 201020507097 U CN201020507097 U CN 201020507097U CN 201803676 U CN201803676 U CN 201803676U
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- China
- Prior art keywords
- internal diameter
- helical spring
- spring
- cylindrical helical
- tool
- 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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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 12
- 239000010959 steel Substances 0.000 claims abstract description 12
- 238000000926 separation method Methods 0.000 claims description 6
- 238000010923 batch production Methods 0.000 abstract 1
- 238000005259 measurement Methods 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 5
- 238000007689 inspection Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
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Abstract
A tool for measuring the internal diameter of a cylindrical helical spring adopts a steel sheet which is symmetrical based on a central line. The transverse distance of a rectangle on the lower side of the steel sheet is equal to the internal diameter of the to-be-measured cylindrical helical spring in length; and the transverse distance of a rectangle on the upper side of the steel sheet is longer than the internal diameter of the to-be-measured cylindrical helical spring. The utility model is characterized in that the tool is applicable to the internal diameter measurement of same points of the cylindrical helical spring, is only required to be designed according to the tolerance limit value of a corresponding spring, has simple operation and practical use and is suitable for batch production.
Description
Technical field
The utility model belongs to the spring cubing, particularly a kind of cylindrically coiled spring internal diameter cubing.
Background technology
The high speed motor car spring is very important to safe train operation, and the parameter of spring directly influences the performance and the stationarity of car load.Present domestic all be to adopt vernier caliper to measure with external diameter in the cylindrically coiled spring, the interior external diameter that this metering system can not the complete reaction spring has just been measured the part; The domestic detection that does not require this corner of cylindrical deviation only requires the detection of this corner at present with volute spring in the Harmony motor train unit; The range detection method that polishes of bearing coil all is that the overwhelming majority is artificial factor here by range estimation.More effective, the more direct quality that guarantees spring of detection by above-mentioned cubing.
The utility model content.
The purpose of this utility model provides a kind of cylindrically coiled spring internal diameter cubing.Be applicable to and detect helical spring inside diameter ranges.
Content of the present utility model is:
A kind of cylindrically coiled spring internal diameter cubing, it is characterized in that: a steel disc with the center line symmetry, the rectangle lateral separation length of steel disc downside is the helical spring interior electrical path length of tested cylinder, and the rectangle lateral separation length of steel disc upside is greater than the helical spring interior electrical path length of tested cylinder.
Characteristics of the present utility model:
In the identical corner of cylindrically coiled spring after testing this kind structure all make suitablely, only need design and get final product according to respective springs tolerance limit value, easy and simple to handle, practicality is suitable for producing by batch use.
Description of drawings
Fig. 1 is a cylindrically coiled spring internal diameter cubing
Embodiment
A kind of cylindrically coiled spring internal diameter cubing as shown in Figure 1, steel disc 1 with the center line symmetry, the rectangle lateral separation length 2 of steel disc downside is the helical spring interior electrical path length of tested cylinder, and the rectangle lateral separation length 3 of steel disc upside is greater than the helical spring interior electrical path length of tested cylinder.
Cylindrically coiled spring internal diameter cubing is the middle internal diameter of detection springs parameter.Spring inside diameter cubing: spring is placed the inspection platform, with the spring center line is benchmark, spring inside diameter cubing: spring is placed the inspection platform, with the spring center line is benchmark, cubing vertically is placed on the spring inboard, checks after making cubing and spring center line parallel, rotate 360 ° of inspections with the cubing go side, the cubing go side should be able to be all by spring inside diameter, and then maximum limit of size is qualified.Check that from the inboard two ends of spring the optional position all can not be passed through with the internal diameter not-go-end, then the minimum limit of size is qualified.The structure of internal diameter cubing is shown in figure (1).
Claims (1)
1. cylindrically coiled spring internal diameter cubing, it is characterized in that: a steel disc with the center line symmetry, the rectangle lateral separation length of steel disc downside is the helical spring interior electrical path length of tested cylinder, and the rectangle lateral separation length of steel disc upside is greater than the helical spring interior electrical path length of tested cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205070972U CN201803676U (en) | 2010-08-27 | 2010-08-27 | Tool for measuring internal diameter of cylindrical helical spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205070972U CN201803676U (en) | 2010-08-27 | 2010-08-27 | Tool for measuring internal diameter of cylindrical helical spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201803676U true CN201803676U (en) | 2011-04-20 |
Family
ID=43873175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205070972U Expired - Fee Related CN201803676U (en) | 2010-08-27 | 2010-08-27 | Tool for measuring internal diameter of cylindrical helical spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201803676U (en) |
-
2010
- 2010-08-27 CN CN2010205070972U patent/CN201803676U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20110420 Termination date: 20140827 |
|
| EXPY | Termination of patent right or utility model |