CN201497473U - Shell roundness measuring device - Google Patents
Shell roundness measuring device Download PDFInfo
- Publication number
- CN201497473U CN201497473U CN200920235112XU CN200920235112U CN201497473U CN 201497473 U CN201497473 U CN 201497473U CN 200920235112X U CN200920235112X U CN 200920235112XU CN 200920235112 U CN200920235112 U CN 200920235112U CN 201497473 U CN201497473 U CN 201497473U
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- measuring
- head
- sounding rod
- measuring rod
- measuring head
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Abstract
The utility model relates to a shell roundness measuring device, which consists of a movable measuring head, a lengthened measuring rod, a fixed measuring rod, a locking screw and a telescopic measuring rod, wherein the lengthened measuring rod is located between the movable measuring head and the fixed measuring rod; the movable measuring head is fixedly arranged on the tail of the lengthened measuring rod; the top of the telescopic measuring rod is provided with a tapered or spherical measuring head, and scales are marked on the measuring head; the rear of the telescopic measuring rod is inserted into the fixed measuring rod; the locking screw is arranged on the fixed measuring rod; and the head of the locking screw is supported on the telescopic measuring rod. The measuring head of the measuring device can directly touch the inner wall of a shell, and thereby reducing the measuring errors; one user can conveniently measure the inner diameter of the shell and can directly read the measured value; and shells with bigger diameters can be measured without auxiliary scaffolds.
Description
Technical field
The utility model relates to a kind of housing roundness measuring device, is used for the circularity of measuring vessel shell ring and housing.
Background technology
According to the requirement of GB150-1998, after the container assembling of pressing in bearing is finished, should check the circularity of housing on request, the maximum gauge on the same cross section of housing and the difference of minimum diameter are the circularity of housing.When vessel shell is when having several shell ring assembly weldings to form, must measure the poor of maximum gauge on the same cross section of each shell ring and minimum diameter under the situation of the horizontal placement of housing level, in the hope of the circularity of housing.Now, most of pressure vessel manufacturers, use steel tape to measure the circularity of housing, during measurement, a people holds the initiating terminal of steel tape, locate at the shell ring inwall, another person seek housing shaft to minimum dimension and full-size radially, read the internal diameter of shell ring, turn over the internal diameter of duplicate measurements shell ring behind the certain angle then, repeated multiple times is in the hope of maximum inner diameter and the minimum diameter on the same cross section of each shell ring, obtain the data of shell ring circularity, and in each shell ring, repeat to obtain after the same operation circularity numerical value of housing.Such method of operating, time-consuming, take a lot of work, yet can not reach barrel and cause measuring error in value sometimes because of the steel tape of measuring.When the diameter of housing was big, measuring operation difficulty relatively needed to use auxiliary framing scaffold to measure sometimes in circular shell.
Summary of the invention
The purpose of this utility model provides and a kind ofly can reduce measuring error, and the housing roundness measuring device of measurement and convenient reading.
The technical scheme that realizes above-mentioned purpose is: a kind of housing roundness measuring device, form by movable measuring head, fixation measuring bar, lock-screw and flexible sounding rod, movable measuring head is fixedly mounted on the afterbody of fixation measuring bar, the top band taper or the spherical measuring head of flexible sounding rod, and be marked with scale at this measuring head, the rear portion of flexible sounding rod is inserted in the fixation measuring bar, and lock-screw is installed on the fixation measuring bar, and the head of lock-screw props up on flexible sounding rod.
The another kind of technical scheme that realizes above-mentioned purpose is: be made up of movable measuring head, lengthening sounding rod, fixation measuring bar, lock-screw and flexible sounding rod, the lengthening sounding rod is between movable measuring head and fixation measuring bar, movable measuring head is fixedly mounted on the afterbody of lengthening sounding rod, the top band taper or the spherical measuring head of flexible sounding rod, and be marked with scale at this measuring head, the rear portion of flexible sounding rod is inserted in the fixation measuring bar, lock-screw is installed on the fixation measuring bar, and the head of lock-screw props up on flexible sounding rod.
After adopting technique scheme, measuring head can directly contact the inwall of housing, has reduced the error of measuring; A people just can easily measure the internal diameter of housing and can directly read measured numerical value; Larger-diameter housing need not to use auxiliary framing scaffold with regard to energy measurement.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is an another kind of structural representation of the present utility model.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail.
Embodiment one
As shown in Figure 1, a kind of housing roundness measuring device, form by movable measuring head 1, fixation measuring bar 3, lock-screw 4 and flexible sounding rod 5, movable measuring head 1 is fixedly mounted on the afterbody of fixation measuring bar 3, the top band taper or the spherical measuring head 5-1 of flexible sounding rod 5, and be marked with scale at this measuring head 5-1, the rear portion of flexible sounding rod 5 is inserted in the fixation measuring bar 3, lock-screw 4 is installed on the fixation measuring bar 3, and the head of lock-screw 4 props up on flexible sounding rod 5.The accurate location and the reading of flexible sounding rod 5 when lock-screw 4 is used to measure.
Embodiment two
As shown in Figure 2, form by movable measuring head 1, lengthening sounding rod 2, fixation measuring bar 3, lock-screw 4 and flexible sounding rod 5, lengthening sounding rod 2 is between movable measuring head 1 and fixation measuring bar 3, movable measuring head 1 is fixedly mounted on the afterbody of lengthening sounding rod 2, the top band taper or the spherical measuring head 5-1 of flexible sounding rod 5, and be marked with scale at this measuring head 5-1, the rear portion of flexible sounding rod 5 is inserted in the fixation measuring bar 3, lock-screw 4 is installed on the fixation measuring bar 3, and the head of lock-screw 4 props up on flexible sounding rod 5.This structure is used under the bigger situation of diameter of the housing to be measured.
Principle of work of the present utility model is as follows:
When measuring with this device, earlier with a point location on the tested section of measuring head in shell ring of fixation measuring bar 3 or lengthening sounding rod 2 one ends, pull out flexible sounding rod, along the axis direction of the housing measurement mechanism that swings, adjust the length of flexible sounding rod 5 simultaneously, read least count, the point of least count can think with anchor point in same cross section, measurement mechanism then swings in the xsect of this point, adjust flexible sounding rod length 5 simultaneously, measure full-scale reading, the full-scale reading of this moment is a measured interior diameter numerical value of this cross section, and also available lock-screw 4 will stretch and carry out reading after sounding rod 5 pins and (see Fig. 1 this moment, Fig. 2); In this cross section, adjust the position of anchor point at circumferencial direction, repeat aforesaid operations, the several points of many surveys, can find out maximum inner diameter and minimum diameter in the same cross section of cylindrical shell, their difference is the circularity of this shell ring, in the different shell ring of housing, measure, can obtain the circularity of each shell ring, also obtained the circularity of housing by above-mentioned steps.
During actual measurement, can adopt according to the difference of housing internal diameter to add or lengthening sounding rod 2, add one or add several lengthening sounding rods 2 and carry out the measurement of housing circularity.
Claims (2)
1. housing roundness measuring device, it is characterized in that: form by movable measuring head (1), fixation measuring bar (3), lock-screw (4) and flexible sounding rod (5), movable measuring head (1) is fixedly mounted on the afterbody of fixation measuring bar (3), the top band taper or the spherical measuring head (5-1) of flexible sounding rod (5), and be marked with scale at this measuring head (5-1), the rear portion of flexible sounding rod (5) is inserted in the fixation measuring bar (3), lock-screw (4) is installed on the fixation measuring bar (3), and the head of lock-screw (4) props up on flexible sounding rod (5).
2. housing roundness measuring device, it is characterized in that: by movable measuring head (1), lengthening sounding rod (2), fixation measuring bar (3), lock-screw (4) and flexible sounding rod (5) are formed, lengthening sounding rod (2) is positioned between movable measuring head (1) and the fixation measuring bar (3), movable measuring head (1) is fixedly mounted on the afterbody of lengthening sounding rod (2), the top band taper or the spherical measuring head (5-1) of flexible sounding rod (5), and be marked with scale at this measuring head (5-1), the rear portion of flexible sounding rod (5) is inserted in the fixation measuring bar (3), lock-screw (4) is installed on the fixation measuring bar (3), and the head of lock-screw (4) props up on flexible sounding rod (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920235112XU CN201497473U (en) | 2009-08-07 | 2009-08-07 | Shell roundness measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920235112XU CN201497473U (en) | 2009-08-07 | 2009-08-07 | Shell roundness measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201497473U true CN201497473U (en) | 2010-06-02 |
Family
ID=42440677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920235112XU Expired - Fee Related CN201497473U (en) | 2009-08-07 | 2009-08-07 | Shell roundness measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201497473U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975539A (en) * | 2010-09-02 | 2011-02-16 | 浙江华益机械有限公司 | Taper hole detector |
| CN103322962A (en) * | 2013-06-28 | 2013-09-25 | 重庆望江工业有限公司 | Gauge and method for measuring diameter of large-sized steel wire bearing rail |
| CN104236427A (en) * | 2013-06-06 | 2014-12-24 | 五冶集团上海有限公司 | Indication needle for measuring roundness of hollow shaft of reduction box and using method thereof |
| CN104764387A (en) * | 2015-03-25 | 2015-07-08 | 河南科隆石化装备有限公司 | Measuring rod for measuring cylinder ellipse |
| CN105783671A (en) * | 2016-05-13 | 2016-07-20 | 范昕昀 | Large-size ring body sealed surface circle roundness calibration device |
-
2009
- 2009-08-07 CN CN200920235112XU patent/CN201497473U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975539A (en) * | 2010-09-02 | 2011-02-16 | 浙江华益机械有限公司 | Taper hole detector |
| CN104236427A (en) * | 2013-06-06 | 2014-12-24 | 五冶集团上海有限公司 | Indication needle for measuring roundness of hollow shaft of reduction box and using method thereof |
| CN103322962A (en) * | 2013-06-28 | 2013-09-25 | 重庆望江工业有限公司 | Gauge and method for measuring diameter of large-sized steel wire bearing rail |
| CN103322962B (en) * | 2013-06-28 | 2015-12-23 | 重庆望江工业有限公司 | For measuring gauge and the method for large scale steel wire bearing track diameter |
| CN104764387A (en) * | 2015-03-25 | 2015-07-08 | 河南科隆石化装备有限公司 | Measuring rod for measuring cylinder ellipse |
| CN105783671A (en) * | 2016-05-13 | 2016-07-20 | 范昕昀 | Large-size ring body sealed surface circle roundness calibration device |
| CN105783671B (en) * | 2016-05-13 | 2019-02-19 | 佛山博斯途密封技术有限公司 | A kind of large scale ring body sealing surface circularity calibrating installation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100602 Termination date: 20130807 |