CN102052885A - Device for measuring wall thickness of pipe - Google Patents
Device for measuring wall thickness of pipe Download PDFInfo
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- CN102052885A CN102052885A CN 200910235928 CN200910235928A CN102052885A CN 102052885 A CN102052885 A CN 102052885A CN 200910235928 CN200910235928 CN 200910235928 CN 200910235928 A CN200910235928 A CN 200910235928A CN 102052885 A CN102052885 A CN 102052885A
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Abstract
The invention provides a device for measuring the wall thickness of a pipe. The device comprises a micrometer gauge (1), a measuring rocker arm (2) and a base (7), wherein the measuring rocker arm (2) comprises an upper arm and a lower arm, which are parallel to each other; a fixed measuring head (4) is arranged on the lower arm; the micrometer gauge (1) is fixed on the upper arm; a micrometer gauge measuring head (3) is aligned to the fixed measuring head (4) that is arranged on the lower arm; a heavy hammer is arranged at the rear end of the lower arm of the measuring rocker arm (2); a V-shaped support (6) and a guide column (10) are arranged on the base (7); and a sliding block (11) drives the measuring rocker arm (2) to slide on the guide column (10). During the measurement, a pipe to be measured (5) is put inside the V-shaped support (6), and the lower arm of the measuring rocker arm (2) is put inside the pipe to be measured (5). The device achieves the tracking measurement of the wall thickness of the pipe, eliminates the measurement error due to the shape error of the pipe, and is easy and convenient to operate. In the combination with a pipe combined motion driving system, the device can rapidly and continuously measure the wall thickness of the pipe.
Description
Technical field
The present invention relates to a kind of device of testing tube wall thickness, be mainly used in the analytical test field of macromolecular material.
Technical background
Along with developing rapidly of plastic pipe industry, its application constantly enlarges, and has been widely used in fields such as urban water supply and sewerage, building water supply and drainage, hot water service, heat supply heating, building rain-water drainage, gas, agricultural drainage and irrigation, chemical industry FLUID TRANSPORTATION and electric wire, cable sheath tube at present.In the development and production of plastic pipe, carrying out accurately to it, performance evaluation is vital for tubing safe reliability in use.In performance evaluation project to tubing, there is a large amount of projects need measure and find out simultaneously the minimum value of wall thickness to tube wall thickness, need gather mass data when testing, therefore need a large amount of samples, to its wall thickness of so many sample measurement and will find out the minimum wall thickness (MINI W.) value of every sample exactly, not only efficient is low if use the routine measurement method, also is difficult to find the minimum wall thickness (MINI W.) value.Wall thickness measuring device at present commonly used all is hand-held measurer, can only be that reconnaissance is measured with this gage measuring tube wall thickness, can't accomplish continuous coverage, and it is very difficult finding the wall thickness minimum value on a sample, and owing to be hand-held, efficient is very low.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, a kind of tube wall thickness measurement mechanism is provided, this tube wall thickness measurement mechanism can be eliminated the measuring error that the shape error owing to tubing brings, and easy and simple to handle, and efficient is higher.When measuring, can measurement data be imported computing machine by data line, write down measurement result automatically, resolution can reach 0.001 millimeter.
The purpose of this invention is to provide a kind of tube wall thickness measurement mechanism, it comprises clock gauge, measures rocking arm, base.
Wherein said clock gauge lower end is a sounding rod, and the sounding rod lower end is equipped with the clock gauge measuring head.Described measurement rocking arm comprises parallel upper arm and underarm, and an end of upper arm and underarm homonymy is fixedly linked by a vertical rod.The upper surface of the underarm other end is equipped with the fixation measuring head, and upper arm other end vertical fixing has described clock gauge.The sounding rod of clock gauge passes measures the rocking arm upper arm, and the clock gauge measuring head of its lower end and the fixation measuring head on the underarm align; The bottom of described measurement rocking arm vertical rod is equipped with weight corresponding to the rear end of underarm.Weight is preferably mounted on the described measurement rocking arm underarm extended line backward.
V-arrangement bearing, guide pillar and slide block are installed on the described base.Described V-arrangement bearing is that an xsect is in the shape of the letter V, the elongated slot that opening makes progress, and its bottom is fixed on the base.Described fixed installation can be adopted and use various fixed setting methods etc. in the prior art always, as welding, riveted joint, bolt connection, screw connection etc., preferred bolt or screw ways of connecting, is convenient to dismounting.The center line of described V-arrangement bearing is preferably with the base central lines.Described guide pillar is two, and is relative with the V-arrangement bearing, be that the line of symmetry vertical fixing is installed on the base with V-arrangement bearing center line, and two guide pillars upper ends have crossbeam to link to each other, and the crossbeam center is provided with through hole; The xsect of described slide block is " C " font structure, the corresponding horizontal through hole that is provided with in the both sides of its open end, the vertical rod of above-described measurement rocking arm is provided with the horizontal through hole corresponding with it, the open end of the vertical rod insertion slide block of rocking arm will be measured, through hole is relative, by pivot pin the measurement rocking arm is connected with slide block; Described slide block blind end has two vertical through hole, slide block is enclosed within by vertical through hole and does gapless sliding up and down on the guide pillar, two vertical through hole center fixed have lifting screw on the slide block, lifting screw is upward through the through hole on the crossbeam between guide pillar,, rotate first handwheel and can make the slide block band the measurement rocking arm to move up and down by first handwheel that has been threaded at the above lifting screw of crossbeam along guide pillar.
Tested tubing is positioned in the groove of V-type bearing during measurement, and its axis is parallel with the center line of V-type bearing, and will measure the rocking arm underarm and place tested tubing.
The above is measured on the rocking arm weight preferably is installed.On the underarm of the described measurement rocking arm extended line backward first screw rod is installed, first weight is installed on first screw rod.Produce certain unbalance moment under the effect of weight the measurement rocking arm is rotated around pivot pin, this moment, the fixation measuring bulb had rising trend.
The through hole of described slide block screws in set nut slide block is locked to being outside equipped with tapped horizontal through hole.
Tubing is carried out wall thickness measuring, when finding out minimum value, also requiring to have high work efficiency.
Tube wall thickness measurement mechanism of the present invention also can include the tubing compound motion and drive system.It can carry out friction-driven, tubing is also moved axially when rotating the tubular product sample that is positioned on the bearing.This moment is for arbitrfary point on the tubing, be to do helical motion clocklike, tubing to be measured just under this helical motion state by the wall thickness measuring point, thereby form " blanket type " continuous coverage, a large amount of measurement data can be gathered, from numerous data, find out minimum value, can obtain the minimum wall thickness (MINI W.) value of tubing.
The tubing compound motion drive system of tube wall thickness measurement mechanism of the present invention, described tubing compound motion drive system comprises friction driving roller, driving wheel installing plate.Described friction driving roller is installed on the driving wheel installing plate, and described driving wheel installing plate is a leveling board, and its middle part is a hollow structure, and described friction driving roller level is installed in this hollow structure, and it is installed on the inward flange of hollow structure.The hollow structure at described driving wheel installing plate middle part is preferably square hole, punches on the square hole inward flange longitudinal axis, and the axle of friction driving roller is installed in the hole.
One side top margin of one outer side edges of described driving wheel installing plate and V-type bearing is hinged by flap, and described driving wheel installing plate can be put up the notch at the V-type bearing.Tested tubing is positioned in the groove of V-type bearing, and its axis is parallel with the center line of V-type bearing, and the tubing top protrudes in the upper surface of V-type bearing.Friction driving roller is pressed on the tested tubing, and the axis of friction driving roller and the axis of tested tubing acutangulate angle, and this angle is preferably 5 °～15 °.The driving friction driving roller rotates, and tested tubing is done reciprocal spiral compound motion by friction-driven in V-type bearing groove.
For can be well being driven with friction force by friction driving roller, tested tubing carry out compound motion, can well servo-actuated under small driving force, and friction driving roller needs certain snap-in force to tested tubing.The specification difference of tubing, surface texturisation difference, required snap-in force are also different.In order to drive the motion of tested tubing, on another side relative second screw rod vertical with the longitudinal axis of V-type bearing is installed on the described driving wheel installing plate with the hinged side of V-type bearing, second weight is installed on second screw rod; Regulate its position on second screw rod by rotating second weight, regulate the snap-in force of friction driving roller tested tubing.
Described friction driving roller can be by motorized motions; Perhaps by manual drives.
One end of described friction-driven wheel shaft is connected with flexible axle, and the other end of flexible axle is installed on the axle of second handwheel, and second handwheel is by the shore supports perpendicular to base.Described flexible axle adopts the material that can make flexible axle in the prior art, as wire rope etc.The axle and the flexible axle connected mode of friction driving roller can be used: a: welding; B: collet chuck tightens up; C: riveted joint such as tightens up at connected mode.Come the manual drives friction driving roller by rotating second handwheel.The hand rotation handwheel can be equipped with handle on the handwheel for convenience.Perhaps can drive motor be installed, by the motorized motions friction driving roller at the second handwheel place.Because the axis of friction driving roller and the longitudinal axis of tested tubing have a α angle, when rotating second handwheel, drive friction driving roller by flexible axle and rotate, be pressed in following tested tubing and just can do compound helical motion.
Tube wall thickness measurement mechanism of the present invention will be calibrated the zero point of clock gauge earlier in use, and the specification according to tested tubing mixes up the height of measuring rocking arm by adjusting the position of slide block on guide pillar then, can measure; If necessary, described clock gauge (1) can be linked on the computing machine by DOL Data Output Line, when measuring, can carry out from motion tracking, record and processing measurement data.
The device of when the present invention comprises that with one measuring unsteady measuring mechanism that rocking arm, clock gauge form follows the tracks of tube wall thickness tube wall thickness being measured, this device can be eliminated the measuring error that the shape error owing to tubing brings, and easy and simple to handle.Tube wall thickness measurement mechanism of the present invention combines with tubing compound motion drive system again, can carry out the measurement of " blanket type " continuous wall thickness to tubing fast, thereby is easy to find out the minimum value of wall thickness; Because this is a kind of from the dyanainic friction drive unit, irrelevant with operator's operation technique, therefore got rid of the influence of operator's individual difference, can make measurement result more reliable.Use tube wall thickness measurement mechanism of the present invention can significantly improve precision of test result, and can increase work efficiency greatly, the prospect of applying is arranged.
Description of drawings
Fig. 1 is a tube wall thickness measurement mechanism structural representation of the present invention.
Fig. 2 drives system plan structure synoptic diagram for the tubing compound motion of tube wall thickness measurement mechanism of the present invention.
Embodiment
As shown in Figure 1, tube wall thickness measurement mechanism of the present invention comprises clock gauge 1, measures rocking arm 2, base 7.
Described clock gauge 1 lower end is a sounding rod, and the sounding rod lower end is equipped with clock gauge measuring head 3; Described measurement rocking arm 2 comprises parallel upper arm and underarm, one end of upper arm and underarm homonymy is fixedly linked by a vertical rod, the upper surface of the underarm other end is equipped with fixation measuring head 4, upper arm other end vertical fixing has described clock gauge 1, the sounding rod of clock gauge 1 passes measures rocking arm 2 upper arm, and the clock gauge measuring head 3 of its lower end aligns with the fixation measuring head 4 on the underarm.Be equipped with on the described measurement rocking arm 2 underarms extended line backward on first screw rod, 3, the first screw rods 3 first weight 13 is installed.
V-arrangement bearing 6, guide pillar 10 and slide block 11 are installed on the described base 7.Described V-arrangement bearing 6 is that an xsect is in the shape of the letter V, the elongated slot that opening makes progress, and its bottom is by being bolted on the base 7.The center line of described V-arrangement bearing is with the base central lines.Described guide pillar 10 is two, and is relative with the V-arrangement bearing, be that the line of symmetry vertical fixing is installed on the base 7 with V-arrangement bearing 6 center lines, and two guide pillar 10 upper ends have crossbeam to link to each other, and the crossbeam center is provided with through hole; The xsect of described slide block 11 is " C " font structure, the corresponding horizontal through hole that is provided with in the both sides of its open end, the vertical rod of above-described measurement rocking arm 2 is provided with the horizontal through hole corresponding with it, the open end of the vertical rod insertion slide block 11 of rocking arm 2 will be measured, through hole is relative, by pivot pin 12 measurement rocking arm 2 is connected with slide block 11; Described slide block 11 blind ends have two vertical through hole, slide block 11 is enclosed within by vertical through hole and does gapless sliding up and down on the guide pillar 10, two vertical through hole center fixed have lifting screw 8 on the slide block 11, lifting screw 8 is upward through the through hole on 10 crossbeams of guide pillar,, rotate first handwheel 9 and can make slide block 11 be with measurement rocking arm 2 to move up and down by first handwheel 9 that has been threaded at the above lifting screw 8 of crossbeam along guide pillar 10.The through hole of described slide block 11 screws in set nut slide block 11 is locked to being outside equipped with tapped horizontal through hole.
Tested tubing 5 is positioned in the groove of V-type bearing 6 during measurement, and its axis is parallel with the center line of V-type bearing 6, and will measure rocking arm 2 underarms and place tested tubing 5.
As shown in Figure 2, tube wall thickness measurement mechanism of the present invention comprises tubing compound motion drive system, and described tubing compound motion drive system comprises friction driving roller 17, driving wheel installing plate 16.Described friction driving roller 17 is installed on the driving wheel installing plate 16, and described driving wheel installing plate 16 is a leveling board, is square hole in the middle of the plate.Punch on the square hole inward flange longitudinal axis, the axle of friction driving roller 6 is installed in the hole.One side top margin of one outer side edges of described driving wheel installing plate 16 and V-type bearing 6 is hinged by flap 19, and described driving wheel installing plate 16 can be put up the notch at V-type bearing 6; Tested tubing 5 is positioned in the groove of V-type bearing 6, and its axis is parallel with the center line of V-type bearing 6, and the tubing top protrudes in the upper surface of V-type bearing 6; Friction driving roller 17 is pressed on the tested tubing 5, and the axis of friction driving roller 17 becomes 10 ° of angles with the axis of tested tubing 5; Drive friction driving roller 17 and rotate, tested tubing 5 is done reciprocal spiral compound motion by friction-driven in V-type bearing 6 grooves.
Be equipped with on second screw rod, 15, the second screw rods 15 vertical on another side relative on the described driving wheel installing plate 16 second weight 14 is installed with the longitudinal axis of V-type bearing 6 with V-type bearing 6 hinged sides; Regulate its position on second screw rod 15, the snap-in force of regulating 17 pairs of tested tubing 5 of friction driving roller by rotating second weight 14.
The end that described friction driving roller is 17 is connected with flexible axle 18, and the other end of flexible axle 18 is installed on the axle of second handwheel 20, and second handwheel 20 is by the shore supports perpendicular to base 7.On described second handwheel 20 handle 21 is installed, by shaking handle 21 manual drives friction driving rollers 17.
Another embodiment of the invention is at described second handwheel 20 places drive motor to be installed, and friction driving roller 17 can be driven by drive motor.
Described clock gauge 1 is linked on the computing machine by DOL Data Output Line, when measuring, can carries out from motion tracking, record and processing measurement data.
The operation steps of tube wall thickness measurement mechanism of the present invention is as follows:
1. clock gauge measuring head 3 contacts with fixation measuring bulb 4, and 0.3～0.5 millimeter pre-crush of having an appointment;
2. zero setting button on applying light clock gauge 1 plate, zero setting this moment is finished;
3. according to tested tubing 5 specifications, rotation hand wheel 9 makes measurement rocking arm 2 be in suitable height, so that clock gauge sounding rod longitudinal axis is perpendicular to the tubing transversal line;
4. turn first weight 13 produces certain unbalance moment measurement rocking arm 3 is rotated around pivot pin 12 under the effect of weight, and fixation measuring bulb 4 has rising trend at this moment;
5. lift driving wheel installing plate 16 by moving second weight 14, friction driving roller 17 is lifted; Tested tubing 5 is placed in the V-shaped groove of V-arrangement bearing 6, unclamps second weight 14 and make friction driving roller 17 compress tested tubing 5; And the underarm that fixation measuring bulb 4 is installed that will measure rocking arm 2 places tested tubing 5;
6. hold the handle 21 on second handwheel 20 and shake, friction driving roller 17 will rotate, and tested tubing 5 is made reciprocal spiral compound motion simultaneously; Also can drive friction driving roller by drive motor rotates;
7. big inadequately if drive friction force, second weight 14 that can turn clockwise makes it from tested tubing 5 far, just can make friction driving roller 17 press tightlyer, increases to drive friction force.
8. can be from the clock gauge display direct reading, or output on the computing machine by DOL Data Output Line, when measuring, can carry out from motion tracking, record and processing measurement data.
Tube wall thickness measurement mechanism of the present invention is reliably located tubing, when following the tracks of tube wall thickness with a unsteady measuring mechanism tube wall thickness is measured.When measuring, can measurement data be imported computing machine by data line, write down measurement result automatically, resolution can reach 0.001 millimeter.Make up the tubing compound motion on this basis and drive system, can carry out the measurement of " blanket type " continuous wall thickness to tubing fast, thereby be easy to find out the minimum value of wall thickness; Because this is a kind of from dyanainic friction driving body system, and is irrelevant with operator's operation technique, has therefore got rid of the influence of operator's individual difference, can make measurement result more reliable.
Claims (10)
1. a tube wall thickness measurement mechanism comprises clock gauge (1), measures rocking arm (2), base (7), it is characterized in that:
Described clock gauge (1) lower end is a sounding rod, and the sounding rod lower end is equipped with clock gauge measuring head (3); Described measurement rocking arm (2) comprises parallel upper arm and underarm, one end of upper arm and underarm homonymy is fixedly linked by a vertical rod, the upper surface of the underarm other end is equipped with fixation measuring head (4), upper arm other end vertical fixing has described clock gauge (1), the sounding rod of clock gauge (1) passes measures rocking arm (2) upper arm, and the fixation measuring head (4) on the clock gauge measuring head (3) of its lower end and the underarm aligns; The bottom of described measurement rocking arm (2) vertical rod is equipped with first weight (13) corresponding to the rear end of underarm;
V-arrangement bearing (6), guide pillar (10) and slide block (11) are installed on the described base (7); Described V-arrangement bearing (6) is that an xsect is in the shape of the letter V, the elongated slot that opening makes progress, and its bottom is fixed on the base (7); Described guide pillar (10) is two, and is relative with the V-arrangement bearing, be that the line of symmetry vertical fixing is installed on the base (7) with V-arrangement bearing (6) center line, and two guide pillars (10) upper end has crossbeam to link to each other, and the crossbeam center is provided with through hole; The xsect of described slide block (11) is " C " font structure, the corresponding horizontal through hole that is provided with in the both sides of its open end, the vertical rod of above-described measurement rocking arm (2) is provided with the horizontal through hole corresponding with it, to measure the open end of the vertical rod insertion slide block (11) of rocking arm (2), through hole is relative, by pivot pin (12) measurement rocking arm (2) is connected with slide block (11); Described slide block (11) blind end has two vertical through hole, slide block (11) is enclosed within on the guide pillar (10) by vertical through hole and does gapless sliding up and down, last two the vertical through hole center fixed of slide block (11) have lifting screw (8), lifting screw (8) is upward through the through hole on the crossbeam between guide pillar (10),, rotate first handwheel (9) and can make slide block (11) be with measurement rocking arm (2) to move up and down by first handwheel (9) that has been threaded at the above lifting screw of crossbeam (8) along guide pillar (10);
Tested tubing (5) is positioned in the groove of V-type bearing (6) during measurement, and its axis is parallel with the center line of V-type bearing (6), and will measure rocking arm (2) underarm and place tested tubing (5).
2. tube wall thickness measurement mechanism according to claim 1 is characterized in that:
On described measurement rocking arm (2) the underarm extended line backward first screw rod (3) is installed, first weight (13) is installed on first screw rod (3).
3. tube wall thickness measurement mechanism according to claim 1 is characterized in that:
The through hole of described slide block (11) screws in set nut slide block (11) is locked to being outside equipped with tapped horizontal through hole.
4. tube wall thickness measurement mechanism according to claim 1 is characterized in that:
Comprise tubing compound motion drive system, described tubing compound motion drive system comprises friction driving roller (17), driving wheel installing plate (16), described friction driving roller (17) is installed on the driving wheel installing plate (16), described driving wheel installing plate (16) is a leveling board, its middle part is a hollow structure, described friction driving roller (17) level is installed in this hollow structure, and it is installed on the inward flange of hollow structure; One side top margin of one outer side edges of described driving wheel installing plate (16) and V-type bearing (6) is hinged by flap (19), and described driving wheel installing plate (16) can be put up the notch in V-type bearing (6); Tested tubing (5) is positioned in the groove of V-type bearing (6), and the tubing top protrudes in the upper surface of V-type bearing (6); Friction driving roller (17) is pressed on the tested tubing (5), and the axis of the axis of friction driving roller (17) and tested tubing (5) acutangulates angle; Drive friction driving roller (17) and rotate, tested tubing (5) is done reciprocal spiral compound motion by friction-driven in V-type bearing (6) groove.
5. tube wall thickness measurement mechanism according to claim 4 is characterized in that:
Described driving wheel installing plate (16) is gone up on another side relative with the hinged side of V-type bearing (6) second screw rod (15) vertical with the longitudinal axis of V-type bearing (6) is installed, and second weight (14) is installed on second screw rod (15); Regulate its position on second screw rod (15) by rotating second weight (14), regulate the snap-in force of friction driving roller (17) tested tubing (5).
6. tube wall thickness measurement mechanism according to claim 4 is characterized in that:
The hollow structure at described driving wheel installing plate (16) middle part is a square hole, punches on the square hole inward flange longitudinal axis, and the axle of friction driving roller (17) is installed in the hole.
7. tube wall thickness measurement mechanism according to claim 4 is characterized in that:
One end of described friction driving roller (17) axle is connected with flexible axle (18), and the other end of flexible axle (18) is installed on the axle of second handwheel (20), and second handwheel (20) is by the shore supports perpendicular to base (7); Drive friction driving roller (17) by rotating second handwheel (20).
8. tube wall thickness measurement mechanism according to claim 7 is characterized in that:
Described second handwheel (20) locates to be equipped with drive motor, and friction driving roller (17) is driven by drive motor.
9. tube wall thickness measurement mechanism according to claim 4 is characterized in that:
The axis of described friction driving roller (17) becomes 5 °～15 ° angles with the longitudinal axis of tested tubing (5).
10. according to each described tube wall thickness measurement mechanism of claim 1～9, it is characterized in that:
Described clock gauge (1) is linked on the computing machine by DOL Data Output Line, when measuring, can carries out from motion tracking, record and processing measurement data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910235928 CN102052885B (en) | 2009-10-30 | 2009-10-30 | Device for measuring wall thickness of pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910235928 CN102052885B (en) | 2009-10-30 | 2009-10-30 | Device for measuring wall thickness of pipe |
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| Publication Number | Publication Date |
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| CN102052885A true CN102052885A (en) | 2011-05-11 |
| CN102052885B CN102052885B (en) | 2013-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910235928 Active CN102052885B (en) | 2009-10-30 | 2009-10-30 | Device for measuring wall thickness of pipe |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102818500A (en) * | 2012-08-02 | 2012-12-12 | 苏州东方模具科技股份有限公司 | Device for measuring wall thickness of punch head of glass mold, and usage method thereof |
| CN103453823A (en) * | 2013-09-10 | 2013-12-18 | 大连理工大学 | Pipeline geometric size measuring machine |
| CN104034234A (en) * | 2014-06-20 | 2014-09-10 | 福建龙生机械有限公司 | Instrument for precisely measuring height of cylinder sleeve support shoulder |
| CN105277100A (en) * | 2015-11-11 | 2016-01-27 | 成都发动机（集团）有限公司 | Bounce measurement tool of inner hole and external diameter of deep-hole part |
| CN107036504A (en) * | 2017-06-13 | 2017-08-11 | 江南工业集团有限公司 | A kind of wall thickness measuring device and measuring method |
| CN109000533A (en) * | 2018-09-30 | 2018-12-14 | 南京泉峰汽车精密技术股份有限公司 | The slot and end face measurement in a closed series tooling of part |
| CN110793411A (en) * | 2019-11-09 | 2020-02-14 | 烟台创晟检测技术有限公司 | Plate thickness measuring instrument |
| CN113819829A (en) * | 2021-11-22 | 2021-12-21 | 徐州安荣机械制造有限公司 | Measuring device for manufacturing tubular fittings of engineering mechanical equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201302436Y (en) * | 2008-10-16 | 2009-09-02 | 上海宝冶建设有限公司 | Equipment for measuring thickness of pipe wall |
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2009
- 2009-10-30 CN CN 200910235928 patent/CN102052885B/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102818500A (en) * | 2012-08-02 | 2012-12-12 | 苏州东方模具科技股份有限公司 | Device for measuring wall thickness of punch head of glass mold, and usage method thereof |
| CN103453823A (en) * | 2013-09-10 | 2013-12-18 | 大连理工大学 | Pipeline geometric size measuring machine |
| CN103453823B (en) * | 2013-09-10 | 2016-06-22 | 大连理工大学 | A kind of measuring machine of pipeline physical dimension |
| CN104034234A (en) * | 2014-06-20 | 2014-09-10 | 福建龙生机械有限公司 | Instrument for precisely measuring height of cylinder sleeve support shoulder |
| CN105277100A (en) * | 2015-11-11 | 2016-01-27 | 成都发动机（集团）有限公司 | Bounce measurement tool of inner hole and external diameter of deep-hole part |
| CN105277100B (en) * | 2015-11-11 | 2018-03-02 | 成都发动机（集团）有限公司 | Endoporus and external diameter the bounce measuring tool of deep-hole parts |
| CN107036504A (en) * | 2017-06-13 | 2017-08-11 | 江南工业集团有限公司 | A kind of wall thickness measuring device and measuring method |
| CN109000533A (en) * | 2018-09-30 | 2018-12-14 | 南京泉峰汽车精密技术股份有限公司 | The slot and end face measurement in a closed series tooling of part |
| CN109000533B (en) * | 2018-09-30 | 2024-03-29 | 南京泉峰汽车精密技术股份有限公司 | Groove and end face combination measurement tool for part |
| CN110793411A (en) * | 2019-11-09 | 2020-02-14 | 烟台创晟检测技术有限公司 | Plate thickness measuring instrument |
| CN110793411B (en) * | 2019-11-09 | 2021-03-30 | 烟台创晟检测技术有限公司 | Plate thickness measuring instrument |
| CN113819829A (en) * | 2021-11-22 | 2021-12-21 | 徐州安荣机械制造有限公司 | Measuring device for manufacturing tubular fittings of engineering mechanical equipment |
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|---|---|
| CN102052885B (en) | 2013-01-02 |
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