CN202329492U - Simple measuring pull rod for inner diameter of drum body of boiler pressure container - Google Patents
Simple measuring pull rod for inner diameter of drum body of boiler pressure container Download PDFInfo
- Publication number
- CN202329492U CN202329492U CN2011204567681U CN201120456768U CN202329492U CN 202329492 U CN202329492 U CN 202329492U CN 2011204567681 U CN2011204567681 U CN 2011204567681U CN 201120456768 U CN201120456768 U CN 201120456768U CN 202329492 U CN202329492 U CN 202329492U
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- plug
- rod
- threaded rod
- measuring
- gauge head
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Abstract
The utility model discloses a simple measuring pull rod for the inner diameter of a drum body of a boiler pressure container, and relates to a measuring device for the inner diameter of the drum body of the boiler pressure container, which is used for solving the problem that the size deviation of all positions is difficultly and accurately mastered since the geometric shape and the size deviation of the inner diameter of the drum body in the manufacture process of the boiler pressure container are measured by adopting a measuring tape disc. The simple measuring pull rod is characterized in that a fixed measuring rod consists of a fixed measuring head, an outer pipe and a plug; a movable measuring rod consists of a movable measuring head and a thread rod; size scales are arranged on the plane of the outer-diameter surface of the thread rod; the movable measuring head is arranged at one end of the thread rod; the movable measuring head and the thread rod are manufactured into a whole; the movable measuring rod is installed in the inner hole of the plug; the end of the thread rod is positioned in the outer pipe; the end of the movable measuring head is exposed outside the plug; an adjusting nut is sheathed on the plug, and is in threaded connection with the thread rod; a fastening screw is in threaded connection in a fastening thread hole; and an adjusting screw is in threaded connection in an adjusting thread hole. The simple measuring pull rod is used for measuring the inner diameter of the drum body of the boiler pressure container.
Description
Technical field
The utility model relates to a kind of boilers and pressure vessel cylinder internal diameter measurement mechanism.
Background technology
At present in boilers and pressure vessel production manufacture process, mainly depend on tape measure for the geometric configuration of cylindrical shell and dimensional discrepancy and practise usury measurement, be difficult to accurately grasp the dimensional discrepancy of each position, cause product quality to be difficult to guarantee, and surveying work efficient is low.
The utility model content
The purpose of the utility model is to adopt tape measure to practise usury measurement for geometric configuration and the dimensional discrepancy that solves boilers and pressure vessel manufacturing process middle cylinder body internal diameter; Be difficult to accurately grasp the dimensional discrepancy of each position; The problem that causes product quality to be difficult to guarantee provides a kind of boilers and pressure vessel cylinder internal diameter ordinary surveying pull bar.
The utility model comprises fixedly measuring staff, moves measuring staff, setting nut, trip bolt and set screw, and said fixedly measuring staff is made up of fixedly gauge head, outer tube and plug, and fixedly gauge head and plug are fixed in the two ends of outer tube respectively; Move measuring staff and be made up of mobile gauge head and threaded rod, the external diameter surface of threaded rod is provided with the plane, and the plane is provided with size scale; Mobile gauge head is arranged on an end of threaded rod, and mobile gauge head and threaded rod process one, and mobile measuring staff is installed in the endoporus of plug; And the screw thread rod end is arranged in outer tube; Move the gauge head end and be exposed at the plug outside outward, setting nut is sleeved on the plug, and setting nut is threaded with threaded rod; The sidewall of outer tube and plug is provided with the fastening screw pit; Trip bolt is threaded in the fastening screw pit, and the sidewall of setting nut and plug junction is provided with the adjusting threaded hole, and set screw is threaded in regulates in the threaded hole.
The utility model has the advantages that: one, utilize the internal diameter of the measurement pull bar measurement boilers and pressure vessel cylindrical shell of the utility model, compare with existing tape measure mode, measurement result is accurate, has further guaranteed the workmanship of product; Work efficiency has improved 3～5 times simultaneously.Two, the utility model is simple in structure, and is easy to operate, and measurement range is wide, and precision is high, the what is more important low cost of manufacture.
Description of drawings
Fig. 1 is one-piece construction master's cut-open view of the utility model, and Fig. 2 is the fixing structural representation of measuring staff 1, and Fig. 3 is the structural representation that moves measuring staff 2, and Fig. 4 is the A-A cut-open view of Fig. 1, and Fig. 5 is the B-B cut-open view of Fig. 1.
Embodiment
Embodiment one: combine Fig. 1～Fig. 5 that this embodiment is described, this embodiment comprises fixedly measuring staff 1, mobile measuring staff 2, setting nut 3, trip bolt 4 and set screw 5, and said fixedly measuring staff 1 is by fixedly gauge head 1-1, outer tube 1-2 and plug 1-3 form; Fixedly gauge head 1-1 and plug 1-3 are fixed in the two ends of outer tube 1-2 respectively, move measuring staff 2 and are made up of mobile gauge head 2-1 and threaded rod 2-2, and the external diameter surface of threaded rod 2-2 is provided with plane 2-2-1; Plane 2-2-1 is provided with size scale 2-2-2; Move the end that gauge head 2-1 is arranged on threaded rod 2-2, and mobile gauge head 2-1 processes one with threaded rod 2-2, mobile measuring staff 2 is installed in the endoporus of plug 1-3; And threaded rod 2-2 end is arranged in outer tube 1-2; Move the outer plug 1-3 outside that is exposed at of gauge head 2-1 end, setting nut 3 is sleeved on the plug 1-3, and setting nut 3 is threaded with threaded rod 2-2; The sidewall of outer tube 1-2 and plug 1-3 is provided with fastening screw pit 1-4; Trip bolt 4 is threaded in the fastening screw pit 1-4, and setting nut 3 is provided with adjusting threaded hole 3-1 with the sidewall of plug 1-3 junction, and set screw 5 is threaded in regulates in the threaded hole 3-1.During use; Fixedly gauge head 1-1 on the fixing measuring staff 1 is fixed on the inwall of the boilers and pressure vessel cylindrical shell that needs to measure, makes through rotation adjusting nut 3 and move measuring staff 2 and slowly run on the inwall of cylindrical shell opposite side, simultaneously; Check size scale 2-2-2, and perform the size record.According to said method, but on cylinder inboard wall the radial measurement multiple spot.
Embodiment two: combine Fig. 1 and Fig. 3 that this embodiment is described, setting nut 3 of this embodiment and the pitch of threaded rod 2-2 are 2mm.Design is to turn around travel distance 2mm in order to guarantee that threaded rod 2-2 whenever revolves like this.Other composition is identical with embodiment one with annexation.
Embodiment three: combine Fig. 2 that this embodiment is described, plug 1-3 of this embodiment and the sidewall of outer tube 1-2 are provided with at least one oil hole 1-5.Utilize oil hole 1-5 to inject lubricating oil, reduce the friction force of setting nut 3 and threaded rod 2-2.Other composition is identical with embodiment one with annexation.
Claims (3)
1. boilers and pressure vessel cylinder internal diameter ordinary surveying pull bar; It is characterized in that: said measurement pull bar comprises fixedly measuring staff (1), moves measuring staff (2), setting nut (3), trip bolt (4) and set screw (5), and said fixedly measuring staff (1) is made up of fixedly gauge head (1-1), outer tube (1-2) and plug (1-3), and fixedly gauge head (1-1) and plug (1-3) are fixed in the two ends of outer tube (1-2) respectively; Moving measuring staff (2) is made up of mobile gauge head (2-1) and threaded rod (2-2); The external diameter surface of threaded rod (2-2) is provided with plane (2-2-1), and plane (2-2-1) is provided with size scale (2-2-2), moves the end that gauge head (2-1) is arranged on threaded rod (2-2); And mobile gauge head (2-1) is processed one with threaded rod (2-2); Move measuring staff (2) and be installed in the endoporus of plug (1-3), and threaded rod (2-2) end is arranged in outer tube (1-2), outer plug (1-3) outside that is exposed at of mobile gauge head (2-1) end; Setting nut (3) is sleeved on the plug (1-3); And setting nut (3) is threaded with threaded rod (2-2), and outer tube (1-2) is provided with fastening screw pit (1-4) with the sidewall of plug (1-3), and trip bolt (4) is threaded in the fastening screw pit (1-4); Setting nut (3) is provided with adjusting threaded hole (3-1) with the sidewall of plug (1-3) junction, and set screw (5) is threaded in regulates in the threaded hole (3-1).
2. according to the said boilers and pressure vessel cylinder internal diameter of claim 1 ordinary surveying pull bar, it is characterized in that: the pitch of said setting nut (3) and threaded rod (2-2) is 2mm.
3. according to claim 1 or 2 said boilers and pressure vessel cylinder internal diameter ordinary surveying pull bars, it is characterized in that: the sidewall of said plug (1-3) and outer tube (1-2) is provided with at least one oil hole (1-5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204567681U CN202329492U (en) | 2011-11-17 | 2011-11-17 | Simple measuring pull rod for inner diameter of drum body of boiler pressure container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204567681U CN202329492U (en) | 2011-11-17 | 2011-11-17 | Simple measuring pull rod for inner diameter of drum body of boiler pressure container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202329492U true CN202329492U (en) | 2012-07-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204567681U Expired - Fee Related CN202329492U (en) | 2011-11-17 | 2011-11-17 | Simple measuring pull rod for inner diameter of drum body of boiler pressure container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202329492U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102837173A (en) * | 2012-09-19 | 2012-12-26 | 广西玉柴重工有限公司 | Adjustable spacer for assembling inner cavity |
| CN103487322A (en) * | 2013-09-10 | 2014-01-01 | 广西桂冠开投电力有限责任公司 | Method and tool for measuring extension value of vertically-installed cold-drawn bolt with measurement hole |
| CN103673835A (en) * | 2012-08-31 | 2014-03-26 | 中国葛洲坝集团机械船舶有限公司 | Simple and easy clearance measuring tool |
| CN104976941A (en) * | 2015-08-11 | 2015-10-14 | 苏州莱测检测科技有限公司 | Device for detecting large inner diameter |
| CN106248488A (en) * | 2016-07-20 | 2016-12-21 | 哈尔滨电气动力装备有限公司 | Kingbolt stretching and measurement technique |
| CN110806159A (en) * | 2019-10-21 | 2020-02-18 | 一汽轿车股份有限公司 | Detection ruler capable of being adjusted in telescopic mode |
| CN113483632A (en) * | 2021-08-02 | 2021-10-08 | 西安热工研究院有限公司 | Pipeline internal diameter measuring scale |
-
2011
- 2011-11-17 CN CN2011204567681U patent/CN202329492U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103673835A (en) * | 2012-08-31 | 2014-03-26 | 中国葛洲坝集团机械船舶有限公司 | Simple and easy clearance measuring tool |
| CN102837173A (en) * | 2012-09-19 | 2012-12-26 | 广西玉柴重工有限公司 | Adjustable spacer for assembling inner cavity |
| CN103487322A (en) * | 2013-09-10 | 2014-01-01 | 广西桂冠开投电力有限责任公司 | Method and tool for measuring extension value of vertically-installed cold-drawn bolt with measurement hole |
| CN104976941A (en) * | 2015-08-11 | 2015-10-14 | 苏州莱测检测科技有限公司 | Device for detecting large inner diameter |
| CN106248488A (en) * | 2016-07-20 | 2016-12-21 | 哈尔滨电气动力装备有限公司 | Kingbolt stretching and measurement technique |
| CN110806159A (en) * | 2019-10-21 | 2020-02-18 | 一汽轿车股份有限公司 | Detection ruler capable of being adjusted in telescopic mode |
| CN113483632A (en) * | 2021-08-02 | 2021-10-08 | 西安热工研究院有限公司 | Pipeline internal diameter measuring scale |
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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: 20120711 Termination date: 20191117 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |