CN106289141B - Cable diameter gauge and internal-and external diameter measurement method inside and outside a kind of pipe - Google Patents
Cable diameter gauge and internal-and external diameter measurement method inside and outside a kind of pipe Download PDFInfo
- Publication number
- CN106289141B CN106289141B CN201610660161.2A CN201610660161A CN106289141B CN 106289141 B CN106289141 B CN 106289141B CN 201610660161 A CN201610660161 A CN 201610660161A CN 106289141 B CN106289141 B CN 106289141B
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- Prior art keywords
- measuring
- diameter
- idler wheel
- pipe
- outside
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/10—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring diameters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/10—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring diameters
- G01B21/14—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring diameters internal diameters
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses cable diameter gauges inside and outside a kind of pipe, including three idler wheels, two measuring arms and angular displacement sensor, two measuring arms are rotatably connected, and one of idler wheel is arranged in junction, another idler wheel is respectively arranged in the outer end of two measuring arms, idler wheel is fixed to by wheel shaft in measuring arm, and can be rolled, and the spacing between the axle hole of two measuring arms is equal.The invention also discloses routing method outside a kind of pipe and round tube inside diameter methods.The composite can be widely applied to need working at height, singlehanded operation, place restricted area major diameter pipe internal-and external diameter measurement, such as former circle steel tower drops to the ground in the internal-and external diameter of the major diameter oil transportation on ground, gas pipeline, underground pipe network.
Description
Technical field
The present invention relates to fields of measurement, cable diameter gauge inside and outside specifically a kind of pipe.
Background technology
Mainly there are the tools such as π rulers, vernier caliper, diameter measuring rule to the measuring technique of pipe inner and outer diameter at present, but right
The pipe of major diameter, such measurement method is often inconvenient for operation, the excessive disadvantage of measuring apparatus, is especially needing singlehanded make
The place of industry is more difficult to complete；Although some equipment can only be measured outer diameter or can only be measured internal diameter with one-handed performance, it is applicable in
Face is smaller.
Invention content
In order to solve the above technical problems existing in the prior art, the present invention provides a kind of measurements of pipe internal-and external diameter
Instrument, including three idler wheels, two measuring arms and angular displacement sensor, two measuring arms are rotatably connected, and it is arranged in junction
In an idler wheel, another idler wheel is respectively arranged in the outer ends of two measuring arms, and idler wheel is fixed to by wheel shaft in measuring arm, and
It can roll, the spacing between the axle hole of two measuring arms is equal.
Further, the angular displacement sensor is disposed therein in a measuring arm.
Further, the angular displacement sensor is equipped with locking bolt, for locking angular displacement sensor in measuring arm
Position.
Further, the shape of the measuring arm is linear type, shaped form or arc-shaped.
The present invention also provides routing methods outside a kind of pipe, include the following steps：
1）The idler wheel of the inside and outside cable diameter gauge two measuring arm outer end is close, angular displacement sensor is returned to zero；
2）Three idler wheels are close to outer circle to be measured；
3）Read the angle value a of angular displacement sensor；
4）The overall diameter of circle to be measured is calculated as follows out, calculation formula is：, L is two
The half of the wheel shaft pitch of holes of measuring arm, R are the diameter of idler wheel.
The present invention also provides a kind of round tube inside diameter methods, include the following steps：
1）The idler wheel of the inside and outside cable diameter gauge two measuring arm outer end is close, angular displacement sensor is returned to zero；
2）Three idler wheels of measuring instrument are close to inner circle to be measured；
3）Read the angle value a of angular displacement sensor；
4）The interior diameter of circle to be measured is calculated as follows out, calculation formula is：, L is two surveys
The half of the wheel shaft pitch of holes of arm is measured, R is the diameter of idler wheel.
The composite can be widely applied to need working at height, singlehanded operation, place restricted area major diameter pipe inside and outside
The measurement of diameter, such as former round steel tower, drop to the ground in the internal-and external diameter of the major diameter oil transportation on ground, gas pipeline, underground pipe network.
Description of the drawings
Cable diameter gauge schematic diagram inside and outside the pipe of Fig. 1 present invention；
Cable diameter gauge structural schematic diagram inside and outside the pipe of Fig. 2 inventions；
Cable diameter gauge outside diameter measuring schematic diagram inside and outside Fig. 3 pipes using the present invention；
Cable diameter gauge internal diameter instrumentation plan inside and outside Fig. 4 pipes using the present invention.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1, cable diameter gauge mainly utilizes determine that circle measures the internal-and external diameter of pipe at 3 points inside and outside the pipe of the present invention,
Cardinal principle is as follows：
1, set at 3 points on fixed circle, the distance between 3 points is equal；
2, it determines the length of L, is the half of chord length；
3, a angles are determined, are the half of two chord length angles；
4, radius R=L/cos (a) is determined.
As shown in Fig. 2, cable diameter gauge inside and outside the pipe of the present invention, including three idler wheels 1, two measuring arm 2 and angular displacement
Sensor 3, two measuring arms 2 are rotatably connected, and one of idler wheel 1 is arranged in junction, and the outer end of two measuring arms 2 is each
Another idler wheel 1 is set, idler wheel 1 is fixed to by wheel shaft in measuring arm 2, and can be rolled, the axle holes of two measuring arms 2 it
Between spacing it is equal.Angular displacement sensor 3 is disposed therein in a measuring arm 2, and angular displacement sensor 3 is equipped with locking bolt,
For locking position of the angular displacement sensor 3 in measuring arm 2.The shape of measuring arm 2 can be linear type, shaped form or circular arc
Shape.
As shown in figure 3, the outer routing method of the pipe of the present invention, includes the following steps：
1）The idler wheel 1 of the inside and outside cable diameter gauge two measuring arm outer end of the present invention is close, angular displacement sensor 3 is returned to zero；
2）Three idler wheels 1 are close to outer circle to be measured；
3）Read the angle value of angular displacement sensor；
4）The overall diameter of circle to be measured is calculated as follows out, calculation formula is：。
As shown in figure 4, the round tube inside diameter method of the present invention, includes the following steps：
1）The idler wheel 1 of the inside and outside cable diameter gauge two measuring arm outer end of the present invention is close, angular displacement sensor 3 is returned to zero；
2）Three idler wheels 1 of measuring instrument are close to inner circle to be measured；
3）Read the angle value of angular displacement sensor；
4）The interior diameter of circle to be measured is calculated as follows out, calculation formula is：。
Claims (2)
1. a kind of pipe outside diameter measuring method, cable diameter gauge includes three idler wheels inside and outside the pipe of use（1）, two measuring arms
（2）And angular displacement sensor（3）, two measuring arms（2）It is rotatably connected, and one of idler wheel is arranged in junction（1）, two
Measuring arm（2）Outer end another idler wheel is respectively set（1）, idler wheel（1）It is fixed to measuring arm by wheel shaft（2）On, and can
It rolls, two measuring arms（2）Axle hole between spacing it is equal；
This method comprises the following steps：
By the idler wheel of inside and outside cable diameter gauge two measuring arm outer end（1）It is close, by angular displacement sensor（3）Zeroing；
By three idler wheels（1）It is close to outer circle to be measured；
Read the angle value a of angular displacement sensor；
The overall diameter of circle to be measured is calculated as follows out, calculation formula is：, L is two measuring arms（2）
Wheel shaft pitch of holes half, R is idler wheel（1）Diameter.
2. a kind of round tube inside diameter measurement method, cable diameter gauge includes three idler wheels inside and outside the pipe of use（1）, two measuring arms
（2）And angular displacement sensor（3）, two measuring arms（2）It is rotatably connected, and one of idler wheel is arranged in junction（1）, two
Measuring arm（2）Outer end another idler wheel is respectively set（1）, idler wheel（1）It is fixed to measuring arm by wheel shaft（2）On, and can
It rolls, two measuring arms（2）Axle hole between spacing it is equal；
This method comprises the following steps：
By the idler wheel of inside and outside cable diameter gauge two measuring arm outer end（1）It is close, by angular displacement sensor（3）Zeroing；
By three idler wheels of measuring instrument（1）It is close to inner circle to be measured；
Read the angle value a of angular displacement sensor；
The interior diameter of circle to be measured is calculated as follows out, calculation formula is：, L is two measuring arms（2）
Wheel shaft pitch of holes half, R is idler wheel（1）Diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610660161.2A CN106289141B (en) | 2016-08-12 | 2016-08-12 | Cable diameter gauge and internal-and external diameter measurement method inside and outside a kind of pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610660161.2A CN106289141B (en) | 2016-08-12 | 2016-08-12 | Cable diameter gauge and internal-and external diameter measurement method inside and outside a kind of pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106289141A CN106289141A (en) | 2017-01-04 |
| CN106289141B true CN106289141B (en) | 2018-10-12 |
Family
ID=57670002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610660161.2A Active CN106289141B (en) | 2016-08-12 | 2016-08-12 | Cable diameter gauge and internal-and external diameter measurement method inside and outside a kind of pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106289141B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654975A (en) * | 2018-12-20 | 2019-04-19 | 铜陵市特种设备监督检验中心 | Measure the device and its application method of high-altitude outer diameter tube |
| CN109883303A (en) * | 2018-12-29 | 2019-06-14 | 国网浙江省电力有限公司金华供电公司 | A kind of power cable bending radius measuring device |
| CN109855585B (en) * | 2019-01-16 | 2021-01-08 | 昆明理工大学 | Cable product wire diameter measuring device and measuring method thereof |
| CN112325782A (en) * | 2020-10-30 | 2021-02-05 | 太原科技大学 | Method and device for measuring radius of arc-shaped workpiece in real time |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU624107A1 (en) * | 1977-03-23 | 1978-09-15 | Лубенский Экспериментальный Механический Завод "Лесмаш" | Device for measuring diameters |
| DE4241335A1 (en) * | 1992-08-18 | 1994-02-24 | Chuo Electronics Co Ldt | Measuring outer dia. for cylindrical object e.g. tree - using angle between two caliper measuring arms which engage object, and V=shaped stop which abuts object between arms and connected to caliper pivot point by known distance |
| CN202109898U (en) * | 2011-06-04 | 2012-01-11 | 辽宁工程职业学院 | Digital outside and inside diameter measuring instrument |
| CN202599299U (en) * | 2012-03-10 | 2012-12-12 | 王慧 | Circular arc radius measuring instrument |
| CN204148248U (en) * | 2014-06-17 | 2015-02-11 | 高庆 | A kind of roll on-line measurement instrument |
| CN204854564U (en) * | 2015-06-24 | 2015-12-09 | 苏州市职业大学 | Measure circular arc device |
| CN206132030U (en) * | 2016-08-12 | 2017-04-26 | 浙江华东科技检测有限公司 | External measuring instrument in pipe |
-
2016
- 2016-08-12 CN CN201610660161.2A patent/CN106289141B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU624107A1 (en) * | 1977-03-23 | 1978-09-15 | Лубенский Экспериментальный Механический Завод "Лесмаш" | Device for measuring diameters |
| DE4241335A1 (en) * | 1992-08-18 | 1994-02-24 | Chuo Electronics Co Ldt | Measuring outer dia. for cylindrical object e.g. tree - using angle between two caliper measuring arms which engage object, and V=shaped stop which abuts object between arms and connected to caliper pivot point by known distance |
| JPH0666550A (en) * | 1992-08-18 | 1994-03-08 | Chuo Denshi Kk | Method and device for measuring outer diameter of cylinder |
| CN202109898U (en) * | 2011-06-04 | 2012-01-11 | 辽宁工程职业学院 | Digital outside and inside diameter measuring instrument |
| CN202599299U (en) * | 2012-03-10 | 2012-12-12 | 王慧 | Circular arc radius measuring instrument |
| CN204148248U (en) * | 2014-06-17 | 2015-02-11 | 高庆 | A kind of roll on-line measurement instrument |
| CN204854564U (en) * | 2015-06-24 | 2015-12-09 | 苏州市职业大学 | Measure circular arc device |
| CN206132030U (en) * | 2016-08-12 | 2017-04-26 | 浙江华东科技检测有限公司 | External measuring instrument in pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106289141A (en) | 2017-01-04 |
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