CN101936694A - Inner diameter check tool for cylindrical spiral spring - Google Patents
Inner diameter check tool for cylindrical spiral spring Download PDFInfo
- Publication number
- CN101936694A CN101936694A CN2010102644255A CN201010264425A CN101936694A CN 101936694 A CN101936694 A CN 101936694A CN 2010102644255 A CN2010102644255 A CN 2010102644255A CN 201010264425 A CN201010264425 A CN 201010264425A CN 101936694 A CN101936694 A CN 101936694A
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- spring
- spiral spring
- steel disc
- cylindrical spiral
- check tool
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Abstract
The invention relates to an inner diameter check tool for a cylindrical spiral spring. The check tool comprises a steel disc which is symmetrical to a central line, wherein the length of a rectangular transverse distance on the lower side of the steel disc is the inner diameter length of the measured cylindrical spiral spring; and the length of the rectangular transverse distance on the upper side of the steel disc is greater than the inner diameter length of the measured cylindrical spiral spring. The check tool has the characteristics that: a structure is applicable for all the same item points of the cylindrical spiral spring by detection and only needs to be designed according to a corresponding tolerance limit value of the spring; and the check tool is simple and convenient to operate, and practical and suitable for mass production.
Description
Technical field
The invention 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.
Summary of the invention.
The purpose of this invention is to provide a kind of cylindrically coiled spring internal diameter cubing.Be applicable to and detect helical spring inside diameter ranges.
Content of the present invention 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 invention:
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 |
|---|---|---|---|
| CN2010102644255A CN101936694A (en) | 2010-08-27 | 2010-08-27 | Inner diameter check tool for cylindrical spiral spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102644255A CN101936694A (en) | 2010-08-27 | 2010-08-27 | Inner diameter check tool for cylindrical spiral spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101936694A true CN101936694A (en) | 2011-01-05 |
Family
ID=43390152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102644255A Pending CN101936694A (en) | 2010-08-27 | 2010-08-27 | Inner diameter check tool for cylindrical spiral spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101936694A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032852A (en) * | 2010-11-11 | 2011-04-27 | 无锡明珠增压器制造有限公司 | Hole inner diameter measurement pallet |
-
2010
- 2010-08-27 CN CN2010102644255A patent/CN101936694A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032852A (en) * | 2010-11-11 | 2011-04-27 | 无锡明珠增压器制造有限公司 | Hole inner diameter measurement pallet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20110105 |