CN111707181B - A continuous pipe wall thickness measuring device - Google Patents
A continuous pipe wall thickness measuring device Download PDFInfo
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- CN111707181B CN111707181B CN202010694721.2A CN202010694721A CN111707181B CN 111707181 B CN111707181 B CN 111707181B CN 202010694721 A CN202010694721 A CN 202010694721A CN 111707181 B CN111707181 B CN 111707181B
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- thickness measuring
- measuring device
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- measured
- wall thickness
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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
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
- G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
- G01B7/10—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using magnetic means, e.g. by measuring change of reluctance
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- General Physics & Mathematics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
本发明涉及一种管壁连续测厚装置，包括圆管驱动装置、霍尔效应测厚装置、左工作平台及右工作平台，霍尔效应测厚装置设置于左工作平台及右工作平台之间；本装置将霍尔效应测试仪与测试机架及传动部件集成一体，可以连续测量管状材料壁厚，并且采用往复移动测量的方式，旋转驱动电机一个完整行程即可完成同类型的两根圆管的测量，大大地提高了测量的效率。
The invention relates to a continuous pipe wall thickness measuring device, comprising a round pipe driving device, a Hall effect thickness measuring device, a left working platform and a right working platform, wherein the Hall effect thickness measuring device is arranged between the left working platform and the right working platform; the device integrates a Hall effect tester with a test frame and a transmission component, can continuously measure the wall thickness of a tubular material, and adopts a reciprocating measurement method, wherein a rotating driving motor can complete the measurement of two round pipes of the same type in one complete stroke, thereby greatly improving the measurement efficiency.
Description
Technical Field
The invention relates to the technical field of pipe wall thickness detection, in particular to a pipe wall continuous thickness measuring device.
Background
The Hall effect thickness gauge is a portable measuring tool based on the Hall effect theory, can rapidly and easily measure the thickness of a target object, is used for measuring the thickness of non-magnetic materials, such as plastics, glass, synthetic materials, aluminum, titanium and the like, and is a handheld and portable thickness gauge, and a magnetic field method is adopted for rapidly, accurately and repeatedly measuring the thickness of the non-ferromagnetic materials. When the measurement is carried out, the magnetic field probe is arranged on one side of the test material, the target steel ball is arranged on the other side, and the Hall effect sensor of the probe measures the distance between the top of the probe and the steel ball to obtain a digital thickness reading. Because the existing portable measuring tool can only measure small-sized components in actual use, the measurement can be completed only by manually moving a probe or an object to be measured, and a large number of continuous measurements cannot be performed.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the pipe wall continuous thickness measuring device, which realizes the continuous thickness measurement of the pipe wall of the circular pipe by integrating the Hall effect tester with the testing frame and the transmission part, simultaneously realizes the round-trip measuring process of the circular pipe and effectively improves the working efficiency.
In order to solve the technical problems, the invention is realized in the following manner that the pipe wall continuous thickness measuring device comprises a circular pipe driving device, a Hall effect thickness measuring device, a left working platform and a right working platform, wherein the Hall effect thickness measuring device is arranged between the left working platform and the right working platform;
The circular tube driving device is connected above the left working platform, can drive the tube to be tested to rotate and can drive the tube to be tested to transversely reciprocate;
A plurality of guide devices are uniformly distributed at the upper end of the right working platform, and the guide devices play a role in guiding and supporting the pipe to be measured after the pipe to be measured transversely moves and is measured by the Hall effect thickness measuring device;
The Hall effect thickness measuring device comprises a magnetic detecting head, steel balls, a pressing device and a bracket, wherein the magnetic detecting head is arranged in the vertical direction, the bottom of the magnetic detecting head is fixed with the end part of a piston rod of an air cylinder, the piston rod drives the magnetic detecting head to move up and down to enable the magnetic detecting head to be pressed on the bottom of the outer wall of a pipe to be measured, the steel balls are placed in central holes of the pipe to be measured, the bracket and the guide device are respectively arranged on two sides of the magnetic detecting head, grooved wheels for supporting the pipe to be measured are respectively arranged on the bracket and the guide device, the pressing device is arranged above the magnetic detecting head, the grooved wheels are arranged at the bottom of the pressing device, and the grooved wheels can be pressed on the upper end of the outer wall of the pipe to be measured.
The round tube driving device comprises a rotary driving motor, a screw driving motor, screws and sliding rails, wherein the sliding rails are horizontally fixed above the left working platform and symmetrically arranged on two sides of a power output end of the screw driving motor, the power output end of the screw driving motor is fixedly connected with the screws in a coaxial line mode, the screws are arranged in parallel with the sliding rails, a motor base is arranged at the bottom of the rotary driving motor, clamping grooves are formed in the bottom of the motor base and clamped on the outer sides of the two sliding rails and can transversely move along the sliding rails, driving blocks are fixed at the middle positions of the bottom of the motor base and sleeved on the screws, the driving blocks are in transmission connection with the screws, the power output end of the rotary driving motor is fixedly connected with a chuck, and the center of the chuck is detachably and fixedly connected with a tube to be tested.
The Hall effect thickness measuring device also comprises a numerical display screen for displaying measured numerical values.
The guide device comprises a fixed support and a grooved pulley which is connected to the upper end of the fixed support and can rotate along the axis, and the center of the grooved pulley is a cambered surface annular groove.
The compressing device comprises a base, guide rods which are symmetrically arranged on the base, a pressure spring is sleeved on the guide rods, the guide rods can move up and down along the base, the lower ends of the guide rods are fixedly connected with movable supports, and grooved wheels are connected to the bottoms of the movable supports and can rotate along the axis.
The upper end of the grooved wheel of the guide device is provided with a pressing device which is fixed on a bracket connected with the right working platform.
The hold-down device that magnetism detects the top setting is connected on the fixed transverse support of right work platform, and the horizontal direction is provided with rectangular regulating tank on the transverse support, and hold-down device accessible base lateral shifting and can realize fixed in position in the regulating tank.
And the rightmost end of the left working platform is provided with a limit switch for monitoring whether the rotary driving motor moves to the limit position.
The pipe wall continuous thickness measuring device has the advantages that the Hall effect tester, the testing machine frame and the transmission part are integrated into a whole, the wall thickness of a tubular material can be continuously measured, and the measurement of two circular pipes of the same type can be completed by rotating the driving motor for one complete stroke in a reciprocating movement measurement mode, so that the measurement efficiency is greatly improved.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a Hall effect thickness measuring device;
FIG. 3 is a schematic structural view of a round tube driving device;
FIG. 4 is a schematic diagram of a Hall effect thickness measuring device;
Fig. 5 is a partial structural schematic of the present invention.
In the figure, a rotary driving motor, a 2 screw driving motor, a pipe to be measured a, a left working platform 4, a sliding rail 5, a Hall effect thickness measuring device 6, a pressing device 7, a numerical display screen 8, a guiding device 9, a right working platform 10, a transverse bracket 11, a movable bracket 12, a pressure spring 13, a grooved pulley 14, a fixed bracket 15, a magnetic detection head 16, a bracket 17, a screw rod 18, a chuck 19, a driving block 20, a motor base 21, a regulating groove 22, a cushion block 23, a pipe to be measured b 24, a lifting cylinder 25 and a base 26 are arranged.
Detailed Description
As shown in fig. 1 to 5, the pipe wall continuous thickness measuring device of the present invention includes a pipe driving device, a hall effect thickness measuring device 6, a left working platform 4 and a right working platform 10, wherein the hall effect thickness measuring device 6 is disposed between the left working platform 4 and the right working platform 10, the pipe driving device is connected above the left working platform 4, and the pipe driving device can drive a pipe a3 to be measured to rotate and drive the pipe a3 to be measured to move laterally to the right side.
The round tube driving device comprises a rotary driving motor 1, a screw driving motor 2, a screw 18 and a sliding rail 5, wherein the sliding rail 5 is horizontally and transversely fixed above a left working platform 4 and symmetrically arranged on two sides of a power output end of the screw driving motor 2, the power output end of the screw driving motor 2 is fixedly connected with the screw 18 in a coaxial line, the screw 18 is arranged in parallel with the sliding rail 5, a motor base 21 is arranged at the bottom of the rotary driving motor 1, a clamping groove is arranged at the bottom of the motor base 21, the clamping groove is clamped on the outer sides of the two sliding rails 5 and can transversely move along the sliding rail 5, a driving block 20 is fixed at the middle position of the bottom of the motor base 21, the driving block 20 is sleeved on the screw 18 and is in transmission connection with the screw 18, the power output end of the rotary driving motor 1 is fixedly connected with a chuck 19, the center of the chuck 19 is detachably and fixedly connected with a pipe a3 to be tested, the driving working principle of the round tube driving device is that the rotary driving motor 1 drives the pipe a3 to rotate and the speed is adjustable, the screw driving motor 2 drives the screw 18 to rotate and the speed is adjustable, meanwhile the driving block 20 which drives the screw 18 to form transmission connection with the sliding rail 5 is clamped on the sliding rail 5, and the reciprocating motor 2 is clamped on the sliding rail 5 to move transversely according to the direction of the moving motor, and the reciprocating motor 2 is clamped on the sliding rail 5 to realize the transverse driving direction, and the reciprocating driving direction of the driving motor is driven by the reciprocating motor 1 and the reciprocating driving machine and the driving direction to move along the sliding rail 5.
The upper end of the right working platform 10 is uniformly provided with a plurality of guide devices 9, and after the lateral movement of the pipe a3 to be measured is measured by the Hall effect thickness measuring device 6, the guide devices 9 on the right working platform 10 play a role in guiding and supporting the pipe a3 to be measured.
The Hall effect thickness measuring device 6 comprises a magnetic measuring head 16, steel balls, a pressing device 7 and a bracket 17, wherein the magnetic measuring head 16 is arranged in the vertical direction, the bottom of the magnetic measuring head is fixed with the end part of a piston rod of a magnetic measuring head lifting cylinder 25, the piston rod drives the magnetic measuring head 16 to move up and down to be pressed on the bottom of the outer wall of a pipe a3 to be measured, the steel balls are placed in a central hole of the pipe a3 to be measured, the bracket 17 and the guide device 9 are respectively arranged on two sides of the magnetic measuring head 16, grooved wheels 14 for supporting the pipe a3 to be measured are respectively arranged on the bracket 17 and the guide device 9, the pressing device 7 is arranged above the magnetic measuring head 16, the grooved wheels 14 are arranged at the bottom of the pressing device 7, and the grooved wheels 14 can be pressed on the upper end of the outer wall of the pipe a3 to be measured.
The hall effect thickness measuring device 6 further comprises a value display 8 for implementing the display of the measured values.
The guiding device 9 comprises a fixed bracket 15 and a grooved pulley 14 which is connected to the upper end of the fixed bracket 15 and can rotate along the axis, and the center of the grooved pulley 14 is a cambered surface annular groove.
The pressing device 7 comprises a base 26, guide rods which are connected to the base 26 and symmetrically arranged, a pressure spring 13 is sleeved on the guide rods, the guide rods can move up and down along the base, the lower ends of the guide rods are fixedly connected with a movable support 12, and a grooved pulley 14 is connected to the bottom end of the movable support 12 and can rotate along an axis.
The upper end of the right working platform 10 is transversely and fixedly connected with a strip-shaped cushion block 23, guide devices 9 are uniformly distributed on the tops of the cushion blocks 23, the upper ends of grooved wheels 14 of the guide devices 9 are provided with pressing devices 7, the pressing devices 7 are fixed on a bracket connected with the right working platform 10, the pressing devices 7 can be selectively arranged according to actual conditions, and the pressing devices 7 do not need to be arranged at the upper ends of the guide devices 9.
The hold-down device 7 arranged above the magnetic detection head 16 is connected to the transverse bracket 11 fixed to the right working platform 10, 1 or more hold-down devices 7 can be arranged, a long-strip-shaped adjusting groove 22 is arranged in the horizontal direction on the transverse bracket 11, the hold-down device 7 can transversely move in the adjusting groove 22 through a base 26 of the hold-down device and can realize position fixing, the effect of the adjusting groove 22 is to adjust the pressing position of the hold-down device 7 according to actual conditions, and accordingly the bracket 17 and the guide device 9 at the bottom are matched to realize the stable state of the tube a3 to be detected in the measuring process, and the conditions such as side shifting do not occur.
As shown in fig. 5, the rightmost end of the left working platform 4 is provided with a limit switch for monitoring whether the rotary driving motor 1 moves to the limit position. When the rotary driving motor 1 moves to the limit position of the left working platform 4, the limit switch is touched, so that the control system can know that the measurement of the pipe a3 to be measured is finished, then the pipe b24 to be measured can be placed at the top of the guide device 9 of the right working platform 10, the pipe b24 to be measured is transversely moved to the position of the chuck 19 in the left direction, the pipe b24 to be measured is clamped by the chuck 19, and then the circular pipe driving device is started to move to the left side to drive the pipe b24 to be measured to measure the thickness.
The working principle of the thickness measurement of the invention is as follows:
When the thickness is measured, a steel ball is placed in the pipe hole to be measured, the magnetic detection head is pressed on the outer wall of the pipe to be measured from the lower end, the pipe to be measured is moved through the circular pipe driving device, the steel ball in the pipe to be measured cannot transversely move due to the magnetic attraction of the magnetic detection head, only moves up and down along with the thickness of the pipe wall, and the Hall effect sensor of the magnetic detection head measures the distance from the tip of the magnetic detection head to the steel ball, so that the thickness of a material is calculated.
The foregoing description is only illustrative of the principles of the functional structure of a continuous tube wall thickness measuring device according to the present invention, and since modifications will be readily apparent to those skilled in the art, it is not desired to limit the continuous tube wall thickness measuring device according to the present invention to the specific mechanism and application range shown or described, and accordingly all possible modifications and equivalents thereof may be employed, which fall within the scope of the present invention.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010694721.2A CN111707181B (en) | 2020-07-18 | 2020-07-18 | A continuous pipe wall thickness measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010694721.2A CN111707181B (en) | 2020-07-18 | 2020-07-18 | A continuous pipe wall thickness measuring device |
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| CN111707181A CN111707181A (en) | 2020-09-25 |
| CN111707181B true CN111707181B (en) | 2024-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010694721.2A Active CN111707181B (en) | 2020-07-18 | 2020-07-18 | A continuous pipe wall thickness measuring device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117146692B (en) * | 2023-10-30 | 2024-01-05 | 聊城好佳一生物乳业有限公司 | Beverage bottle wall thickness detection device |
| CN119334233A (en) * | 2024-12-20 | 2025-01-21 | 中国科学院上海高等研究院 | A device for measuring wall thickness uniformity |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212320627U (en) * | 2020-07-18 | 2021-01-08 | 南京丹恒科技有限公司 | Continuous thickness measuring device for pipe wall |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU5081398A (en) * | 1996-10-15 | 1998-05-11 | Hillel Weinbaum | Coiled tubing inspection system |
| CA2729223C (en) * | 2008-06-27 | 2019-01-15 | Pii (Canada) Limited | Integrated multi-sensor non-destructive testing |
| CN105606699B (en) * | 2016-03-24 | 2019-04-23 | 烟台杰瑞石油装备技术有限公司 | Coiled tubing defect detector |
| CN206208832U (en) * | 2016-10-11 | 2017-05-31 | 北京航天易联科技发展有限公司 | A kind of coiled tubing on-line measuring device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212320627U (en) * | 2020-07-18 | 2021-01-08 | 南京丹恒科技有限公司 | Continuous thickness measuring device for pipe wall |
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