CN204286315U - Internal diameter go-no go gauge - Google Patents
Internal diameter go-no go gauge Download PDFInfo
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- CN204286315U CN204286315U CN201420826370.6U CN201420826370U CN204286315U CN 204286315 U CN204286315 U CN 204286315U CN 201420826370 U CN201420826370 U CN 201420826370U CN 204286315 U CN204286315 U CN 204286315U
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Abstract
The utility model provides a kind of internal diameter go-no go gauge, the structure of this internal diameter go-no go gauge includes conical active section, Chang Du≤200mm of active section, the length of described active section is divided into four sections, work two sections and Yao ask Fan Wei≤100mm with the length of work three sections two sections for meeting internal diameter, one end of described work one section is provided with the importing cone of 45 ° of chamferings, and four sections the one end of working is provided with lift ring.Effect of the present utility model is that this internal diameter go-no go gauge can measure internal diameter size by simple and fast, internal diameter size can be calculated by going deep into pipe end inner length, gap size is contacted with steel pipe by go-no go gauge, understand circularity situation in steel pipe, for steel pipe rolling tool design and technique adjustment provide valid data, hot rolling uses internal diameter go-no go gauge to measure and after control internal diameter size, detect qualification rate and bring up to 97% by 50%, interior circularity brings up to 60% by 80% of original outer diameter tolerance.Per hourly check about 200, increase work efficiency more than 4 times, avoid the improper measuring error caused of former detection.
Description
Technical field
The utility model relates to a kind of internal diameter go-no go gauge, can simple and quick measurement internal diameter size and observe in circularity situation, judge whether internal diameter size meets the requirements.
Background technology
Measure more loaded down with trivial details by inner diameter measurement specific purpose tool to pipe diameter, after the inner diameter values measured as calculated, could judge whether internal diameter meets the requirements, inefficiency and intuitively cannot reflect circularity situation in steel pipe.Because Site Detection mode does not have and knowhow deficiency, comparatively large to the measurement difficulty of internal diameter and interior circularity, and production control is difficult to grasp.Survey instrument cost is higher simultaneously, and different personnel's method of operating difference easily causes measuring error, and scene lacks effective measurement and the instruments of inspection, makes pipe diameter be difficult to guarantee and meets user's requirement.
Summary of the invention
The purpose of this utility model is to provide a kind of internal diameter go-no go gauge, be beneficial to measure internal diameter fast and effectively, circularity situation in observing, for steel pipe rolling process control and rolling tool design provide valid data, improve internal diameter size precision and improve interior circularity, quality inspection personnel by a Quick Measurement internal diameter, directly can judge whether pipe diameter meets the requirements simultaneously.
For achieving the above object, the technical solution adopted in the utility model is to provide a kind of internal diameter go-no go gauge, wherein: the structure of this internal diameter go-no go gauge includes conical active section, Chang Du≤200mm of active section, the length of described active section is divided into work one section, work two sections, work three sections, work four sections, work two sections and Yao ask Fan Wei≤100mm with the length of work three sections two sections for meeting internal diameter, one end of described work one section is provided with the importing cone of 45 ° of chamferings, and four sections the one end of working is provided with lift ring.
The track groove for sizing is provided with between described every two active sections.
Effect of the present utility model is that this internal diameter go-no go gauge can measure internal diameter size by simple and fast, internal diameter size can be calculated by going deep into pipe end inner length, contact gap size by go-no go gauge with steel pipe simultaneously, understand circularity situation in steel pipe, for steel pipe rolling tool design and technique adjustment provide valid data, after hot rolling uses the measurement of internal diameter go-no go gauge and control internal diameter size, detect qualification rate and bring up to 97% by 50%, interior circularity brings up to 60% by 80% of original outer diameter tolerance, significantly improve pipe diameter level of control, fished pipe two ends internal diameter and interior circularity can ensure to meet user's requirement substantially.Quality inspection personnel uses the internal diameter go-no go gauge inspection internal diameter having track groove, it is qualified that the steel pipe meeting track groove scope is, defective steel pipe is also easy to calculate internal diameter and exceeds size, significantly increase work efficiency, on average per hourly check about 200, increase work efficiency more than 4 times, it also avoid the improper measuring error caused of former method, cause the NF phenomenon of the defective steel pipe of part.Employing alloy pipe processing internal diameter go-no go gauge, weight reduction and raising wearing quality, convenient operation librarian use, ensure the dimensional accuracy after long period use, product quality is ensured further simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of internal diameter go-no go gauge of the present utility model;
Fig. 2 is internal diameter go-no go gauge use procedure schematic diagram of the present utility model.
Embodiment
By reference to the accompanying drawings internal diameter go-no go gauge structure of the present utility model is illustrated.
Internal diameter go-no go gauge structure of the present utility model is, the structure of this internal diameter go-no go gauge includes conical active section, Chang Du≤200mm of active section, the length of described active section is divided into work one section, work two sections, work three sections, work four sections, work two sections and Yao ask Fan Wei≤100mm with the length of work three sections two sections for meeting internal diameter, one end of described work one section is provided with the importing cone of 45 ° of chamferings, and four sections the one end of working is provided with lift ring.
The track groove for sizing is provided with between described every two active sections.If internal diameter go-no go gauge overall length is 200mm, track separation 50mm is set, Article 1, for meeting internal diameter claimed range and between the groove of Article 3 track, length is 100mm, substantially measurement request for utilization can be met, when measuring inner diameter values close to Article 2 track groove, the internal diameter of reflection rolled steel tube controls best.
Internal diameter go-no go gauge function of the present utility model is achieved in that
Embodiment: as shown in Figure 1, user requires to be 68 (-0.6 ~+1.0) mm to Φ 127.00 × 29.50mm gauge steel bore, namely the minimum 67.40mm of internal diameter is to maximum 69.00mm, and during processing internal diameter go-no go gauge, A point external diameter is 66.6mm, d point external diameter is 67.4mm, the length of D point external diameter to be 69.00mm, B point external diameter be 69.8mm, L is 200mm, the length of I is the length of 100mm, C is 50mm.According to each several part length computation external diameter value.
Described go-no go gauge is processed with three track grooves prints, and namely 3 dotted line places in Fig. 1, meet the processing request assigned, measure pipe end inner diameter values meet be between Article 1 and Article 3 qualified.
Fig. 2 shows the use procedure of internal diameter go-no go gauge, internal diameter go-no go gauge is by importing cone side, and level is goed deep in steel pipe, when not going deep into again, be stuck in internal diameter go-no go gauge positional distance track flute mark linear distance and can calculate internal diameter size, when meet be between Article 1 and Article 3 track groove qualified.As internal diameter go-no go gauge enters steel pipe position in the middle of Article 1 and Article 2 track flute mark line, i.e. Article 1 track flute mark line external diameter 1/4 value that to be 67.4mm and Article 3 track flute mark line external diameter be between 69mm, internal diameter is calculated as 67.4+ (69-67.4)/4=67.8mm.When exceeding flute mark line both sides, internal diameter go-no go gauge track, internal diameter is bigger than normal or less than normal be defective, by exceeding internal diameter size with track slot pitch from also calculating.
Circularity situation in being observed by internal diameter go-no go gauge and steel pipe gap, can directly in visualization circularity whether well, whether there are interior six side's problems.
As shown in Figure 2, enter measuring length of steel pipe inner diameter values by internal diameter go-no go gauge, can adjust rolling technological parameter, amendment rolling tool pass, meets the requirements of internal diameter, interior circularity and wall thickness accuracy.Collect different steel grade, different wall, internal diameter situation of change under the normal state of cooling and under cold shock state, adjust as the case may be, internal diameter go-no go gauge and steel pipe contact gap more easily observe interior circularity situation, quality inspection uses go-no go gauge by an inspection, internal diameter meets in go-no go gauge scale for qualified, exceed for defective, fed-batch produces internal diameter actual value and the steadiness of steel pipe simultaneously.
Embodiment:
1, by consulting with user, the requirement of pipe diameter physical dimension is obtained.Following table is the internal diameter go-no go gauge now processed and used:
2, require processing tapered bore go-no go gauge according to internal diameter, make effective section meeting geometric size in the middle of internal diameter go-no go gauge.
3, in internal diameter go-no go gauge, meet internal diameter requirement place processing track groove two, a processing track groove in the middle of two track grooves, be convenient to calculate internal diameter and control about internal diameter meets intermediate value.
4, by use experience, internal diameter go-no go gauge length stabilisation is convenient to clear calculating internal diameter and weight reduction at about 200mm, according to use needs, also length can be adjusted arbitrarily and increase scale.
5, use alloy pipe processing, increase afterbody ring-type lift hand, be beneficial to use.
Claims (2)
1. an internal diameter go-no go gauge, it is characterized in that: the structure of this internal diameter go-no go gauge includes conical active section, Chang Du≤200mm of active section, the length of described active section is divided into work one section, work two sections, work three sections, work four sections, work two sections and Yao ask Fan Wei≤100mm with the length of work three sections two sections for meeting internal diameter, one end of described work one section is provided with the importing cone of 45 ° of chamferings, and four sections the one end of working is provided with lift ring.
2. internal diameter go-no go gauge according to claim 1, is characterized in that: between described every two active sections, be provided with the track groove for sizing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420826370.6U CN204286315U (en) | 2014-12-22 | 2014-12-22 | Internal diameter go-no go gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420826370.6U CN204286315U (en) | 2014-12-22 | 2014-12-22 | Internal diameter go-no go gauge |
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| Publication Number | Publication Date |
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| CN204286315U true CN204286315U (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420826370.6U Active CN204286315U (en) | 2014-12-22 | 2014-12-22 | Internal diameter go-no go gauge |
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| CN (1) | CN204286315U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107167057A (en) * | 2017-07-10 | 2017-09-15 | 柳州铁道职业技术学院 | A kind of portable bore inner diameter detection instrument |
-
2014
- 2014-12-22 CN CN201420826370.6U patent/CN204286315U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107167057A (en) * | 2017-07-10 | 2017-09-15 | 柳州铁道职业技术学院 | A kind of portable bore inner diameter detection instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190627 Address after: No. 396 Jintang Highway, Dongli District, Tianjin 300301 Patentee after: Tianjin Steel Tube Manufacturing Co., Ltd. Address before: No. 396 Jintang Highway, Dongli District, Tianjin 300301 Patentee before: Tianjin Steel Pipe Group Co., Ltd. |
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| TR01 | Transfer of patent right |