CN111707181A - Continuous thickness measuring device for pipe wall - Google Patents
Continuous thickness measuring device for pipe wall Download PDFInfo
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- CN111707181A CN111707181A CN202010694721.2A CN202010694721A CN111707181A CN 111707181 A CN111707181 A CN 111707181A CN 202010694721 A CN202010694721 A CN 202010694721A CN 111707181 A CN111707181 A CN 111707181A
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- thickness measuring
- measuring device
- pipe
- working platform
- magnetic detection
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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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- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The invention relates to a continuous thickness measuring device for a pipe wall, which 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 device integrates the Hall effect tester, the testing machine frame and the transmission part into a whole, can continuously measure the wall thickness of the tubular material, adopts a reciprocating movement measuring mode, and can complete the measurement of two round tubes of the same type by rotating the driving motor for a complete stroke, thereby greatly improving the measuring 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 which can quickly and easily measure the thickness of a target object based on the Hall effect theory and is used for measuring the thickness of nonmagnetic materials such as plastics, glass, synthetic materials, aluminum, titanium and the like. When the thickness measuring device is used for measuring, the magnetic field probe is arranged on one side of a test material, the target small 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 small steel ball to obtain a digital thickness reading. Due to the existing portable measuring tool, only small-sized components can be measured in practical use, the measurement can be completed only by manually moving a probe or a measured object, and a large number of continuous measurements cannot be performed.
Disclosure of Invention
The invention aims to solve the technical problem of providing a pipe wall continuous thickness measuring device, which integrates a Hall effect tester, a testing rack and a transmission component into a whole, realizes the continuous thickness measurement of the pipe wall of a circular pipe, realizes the round and round measuring process of the circular pipe and effectively improves the working efficiency.
In order to solve the technical problem, the invention is realized as follows: the invention relates to a continuous pipe wall thickness measuring device which 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 and can drive the tube to be tested to rotate and drive the tube to be tested to transversely reciprocate;
the upper end of the right working platform is uniformly provided with a plurality of guide devices, and after the pipe to be measured transversely moves and is measured by the Hall effect thickness measuring device, the guide devices can play a role in guiding and supporting the pipe to be measured;
the Hall effect thickness measuring device comprises a magnetic detection head, a steel ball, a pressing device and a bracket; the magnetic detection head is arranged in the vertical direction, the bottom of the magnetic detection head is fixed with the end part of a piston rod of the air cylinder, and the piston rod drives the magnetic detection head to move up and down to enable the magnetic detection head to be tightly pressed at the bottom of the outer wall of the pipe to be detected; the steel ball is placed in a central hole of the pipe to be measured; a bracket and a guiding device are respectively arranged on two sides of the magnetic detection head, and grooved wheels for supporting the pipe to be detected are arranged on the bracket and the guiding device; a pressing device is arranged above the magnetic detection head, a grooved wheel is arranged at the bottom of the pressing device, and the grooved wheel can be pressed at the upper end of the outer wall of the pipe to be detected.
The circular tube driving device comprises a rotary driving motor, a lead screw and a slide rail; the sliding rails are horizontally fixed above the left working platform in the transverse direction and symmetrically arranged on two sides of the power output end of the screw rod driving motor; the power output end of the screw rod driving motor is coaxially and fixedly connected with a screw rod, and the screw rod is arranged in parallel with the slide rail; the bottom of the rotary driving motor is provided with a motor base, and the bottom of the motor base is provided with a clamping groove which is clamped at the outer sides of the two sliding rails through the clamping groove and can transversely move along the sliding rails; a driving block is fixed at the middle position of the bottom of the motor base, is sleeved on the screw rod and is in transmission connection with the screw rod; the power output end of the rotary driving motor is fixedly connected with the chuck, and the center of the chuck is detachably and fixedly connected with the pipe to be tested.
The Hall effect thickness measuring device also comprises a numerical value display screen used for displaying the measured numerical value.
The guide device comprises a fixed support and a grooved wheel which is connected to the upper end of the fixed support and can rotate along the axis, and the center of the grooved wheel is an arc-surface annular groove.
The pressing device comprises a base and guide rods symmetrically arranged on the base, wherein the guide rods are sleeved with pressure springs and can move up and down along the base; the lower end of the guide rod is fixedly connected with a movable support, and the grooved wheel is connected to the bottom end of the movable support and can rotate along the axis.
The upper end of the right working platform is transversely and fixedly connected with a strip-shaped cushion block, and the guide devices are uniformly distributed at the top of the cushion block; and a pressing device is arranged at the upper end of the grooved wheel of the guide device and fixed on a support connected with the right working platform.
The pressing device arranged above the magnetic detection head is connected to a transverse support fixed with the right working platform, a long-strip-shaped adjusting groove is arranged in the transverse support in the horizontal direction, and the pressing device can transversely move in the adjusting groove through a base of the pressing device and can be fixed in position.
And the rightmost end of the left working platform is provided with a limit switch for monitoring whether the rotary driving motor moves to a limit position.
The invention has the following positive effects: the pipe wall continuous thickness measuring device integrates the Hall effect tester, the testing rack and the transmission part into a whole, can continuously measure the wall thickness of a tubular material, and can complete the measurement of two round pipes of the same type by rotating the driving motor for one complete stroke in a reciprocating movement measuring mode, thereby greatly improving the measuring efficiency.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural diagram of a Hall effect thickness measuring device;
FIG. 3 is a schematic view of the construction of the circular tube driving apparatus;
FIG. 4 is a schematic structural diagram of a Hall effect thickness measuring device;
fig. 5 is a partial structural schematic diagram of the present invention.
In the figure, 1 a rotary driving motor, 2 a screw driving motor, 3 a to-be-detected pipe a, 4 a left working platform, 5 a slide rail, 6 a Hall effect thickness measuring device, 7 a pressing device, 8 a numerical display screen, 9 a guiding device, 10 a right working platform, 11 a transverse support, 12 a movable support, 13 a pressure spring, 14 grooved wheels, 15 a fixed support, 16 a magnetic detection head, 17 a bracket, 18 a screw, 19 a chuck, 20 a driving block, 21 a motor base, 22 an adjusting groove, 23 a cushion block, 24 a to-be-detected pipe b, 25 a magnetic detection head lifting cylinder and 26 a base.
Detailed Description
As shown in fig. 1 to 5, the continuous thickness measuring device for a pipe wall of the present invention includes a circular 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 circular tube driving device is connected above the left working platform 4, and the circular tube driving device can drive the pipe a3 to be tested to rotate and drive the pipe a3 to be tested to transversely move towards the right side.
The circular tube driving device comprises a rotary driving motor 1, a lead screw driving motor 2, a lead screw 18 and a slide rail 5; the slide rails 5 are transversely and horizontally fixed above the left working platform 4 and symmetrically arranged on two sides of the power output end of the screw rod driving motor 2; the power output end of the screw driving motor 2 is coaxially and fixedly connected with a screw 18, and the screw 18 is arranged in parallel with the slide rail 5; the bottom of the rotary driving motor 1 is provided with a motor base 21, and the bottom of the motor base 21 is provided with a clamping groove which is clamped at the outer sides of the two sliding rails 5 through the clamping groove and can transversely move along the sliding rails 5; a driving block 20 is fixed at the middle position of the bottom of the motor base 21, and the driving block 20 is sleeved on the lead screw 18 and is in transmission connection with the lead screw 18; the power output end of the rotary driving motor 1 is fixedly connected with a chuck 19, and the center of the chuck 19 is detachably and fixedly connected with a pipe a3 to be tested; the driving working principle of the circular tube driving device is that the rotary driving motor 1 drives the tube a3 to be tested to rotate and the speed is adjustable, the lead screw driving motor 2 drives the lead screw 18 to rotate and the speed is adjustable, the lead screw 18 rotates and drives the driving block 20 which is in transmission connection with the lead screw 18 to move, and the moving direction is determined according to the rotating direction of the lead screw driving motor 2; motor base 21 joint is on slide rail 5, and slide rail 5 plays the effect of support and direction to rotary driving motor 1, and rotary driving motor 1 will be on slide rail 5 lateral reciprocating to realized still lateral shifting when waiting to detect pipe a3 drive rotation to its centre gripping.
A plurality of guide devices 9 are uniformly distributed at the upper end of the right working platform 10, and after the pipe a3 to be measured transversely moves and is measured by the Hall effect thickness measuring device 6, the guide devices 9 on the right working platform 10 can guide and support the pipe a3 to be measured.
The Hall effect thickness measuring device 6 comprises a magnetic detection head 16, a steel ball, a pressing device 7 and a bracket 17; the magnetic detection head 16 is arranged in the vertical direction, the bottom of the magnetic detection head is fixed with the end part of a piston rod of the magnetic detection head lifting cylinder 25, and the piston rod drives the magnetic detection head 16 to move up and down so as to tightly press the outer wall bottom of the pipe a3 to be detected; the steel ball is placed in a central hole of a pipe a3 to be measured; a bracket 17 and a guide device 9 are respectively arranged on two sides of the magnetic detection head 16, and grooved wheels 14 for supporting a pipe a3 to be detected are respectively arranged on the bracket 17 and the guide device 9; a pressing device 7 is arranged above the magnetic detection head 16, a grooved wheel 14 is arranged at the bottom of the pressing device 7, and the grooved wheel 14 can be pressed on the upper end of the outer wall of the pipe a3 to be detected.
The Hall effect thickness measuring device 6 further comprises a numerical value display screen 8 for displaying the measured numerical value.
The guide device 9 comprises a fixed support 15 and a sheave 14 which is connected to the upper end of the fixed support 15 and can rotate along the axis, and the center of the sheave 14 is an arc-surface annular groove.
The pressing device 7 comprises a base 26 and guide rods symmetrically arranged on the base 26, wherein the guide rods are sleeved with pressure springs 13 and can move up and down along the base; the lower end of the guide rod is fixedly connected with a movable support 12, and a grooved wheel 14 is connected to the bottom end of the movable support 12 and can rotate along the axis.
The upper end of the right working platform 10 is transversely and fixedly connected with a strip-shaped cushion block 23, and the guide devices 9 are uniformly distributed at the top of the cushion block 23; the upper ends of the grooved wheels 14 of the guide devices 9 are provided with the pressing devices 7, the pressing devices 7 are fixed on a support 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 pressing device 7 arranged above the magnetic detection head 16 is connected to the transverse support 11 fixed with the right working platform 10, 1 or more pressing devices 7 can be arranged, the rectangular adjusting groove 22 is horizontally arranged on the transverse support 11, the pressing device 7 can transversely move in the adjusting groove 22 through the base 26 and can be fixed in position, the pressing position of the pressing device 7 can be adjusted through the adjusting groove 22, the adjusting position 22 is used for adjusting the pressing position of the pressing device 7 according to actual conditions, and therefore the stable state of the pipe a3 to be measured in the measuring process is achieved through the cooperation of the bracket 17 at the bottom and the guide device 9, and the conditions of lateral movement and the like are avoided.
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 extreme 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 completed, and 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 and 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, one steel ball is placed in a 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 attraction of the magnetic force of the magnetic detection head and 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 is only illustrative of some of the functional and structural principles of a continuous wall thickness measuring device according to the present invention, and since it will be readily apparent to those skilled in the art that numerous modifications can be made thereto, it is not intended that the present invention be limited to the specific arrangements and applications illustrated or described, and accordingly, all modifications and equivalents which may be resorted to are intended to fall within the scope of the invention.
Claims (8)
1. A continuous thickness measuring device for a pipe wall is characterized in that: 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 and can drive the tube to be tested to rotate and drive the tube to be tested to transversely reciprocate; the upper end of the right working platform is uniformly provided with a plurality of guide devices, and after the pipe to be measured transversely moves and is measured by the Hall effect thickness measuring device, the guide devices can play a role in guiding and supporting the pipe to be measured; the Hall effect thickness measuring device comprises a magnetic detection head, a steel ball, a pressing device and a bracket; the magnetic detection head is arranged in the vertical direction, the bottom of the magnetic detection head is fixed with the end part of a piston rod of the air cylinder, and the piston rod drives the magnetic detection head to move up and down to enable the magnetic detection head to be tightly pressed at the bottom of the outer wall of the pipe to be detected; the steel ball is placed in a central hole of the pipe to be measured; a bracket and a guiding device are respectively arranged on two sides of the magnetic detection head, and grooved wheels for supporting the pipe to be detected are arranged on the bracket and the guiding device; a pressing device is arranged above the magnetic detection head, a grooved wheel is arranged at the bottom of the pressing device, and the grooved wheel can be pressed at the upper end of the outer wall of the pipe to be detected.
2. The continuous thickness measuring device for the pipe wall according to claim 1, wherein: the circular tube driving device comprises a rotary driving motor, a lead screw and a slide rail; the sliding rails are horizontally fixed above the left working platform in the transverse direction and symmetrically arranged on two sides of the power output end of the screw rod driving motor; the power output end of the screw rod driving motor is coaxially and fixedly connected with a screw rod, and the screw rod is arranged in parallel with the slide rail; the bottom of the rotary driving motor is provided with a motor base, and the bottom of the motor base is provided with a clamping groove which is clamped at the outer sides of the two sliding rails through the clamping groove and can transversely move along the sliding rails; a driving block is fixed at the middle position of the bottom of the motor base, is sleeved on the screw rod and is in transmission connection with the screw rod; the power output end of the rotary driving motor is fixedly connected with the chuck, and the center of the chuck is detachably and fixedly connected with the pipe to be tested.
3. The continuous thickness measuring device for the pipe wall according to claim 1, wherein: the Hall effect thickness measuring device also comprises a numerical value display screen used for displaying the measured numerical value.
4. The continuous thickness measuring device for the pipe wall according to claim 1, wherein: the guide device comprises a fixed support and a grooved wheel which is connected to the upper end of the fixed support and can rotate along the axis, and the center of the grooved wheel is an arc-surface annular groove.
5. The continuous thickness measuring device for the pipe wall according to claim 1, wherein: the pressing device comprises a base and guide rods symmetrically arranged on the base, wherein the guide rods are sleeved with pressure springs and can move up and down along the base; the lower end of the guide rod is fixedly connected with a movable support, and the grooved wheel is connected to the bottom end of the movable support and can rotate along the axis.
6. The continuous thickness measuring device for the pipe wall according to claim 1, wherein: the upper end of the right working platform is transversely and fixedly connected with a strip-shaped cushion block, and the guide devices are uniformly distributed at the top of the cushion block; and a pressing device is arranged at the upper end of the grooved wheel of the guide device and fixed on a support connected with the right working platform.
7. The continuous thickness measuring device for the pipe wall according to claim 1, wherein: the pressing device arranged above the magnetic detection head is connected to a transverse support fixed with the right working platform, a long-strip-shaped adjusting groove is arranged in the transverse support in the horizontal direction, and the pressing device can transversely move in the adjusting groove through a base of the pressing device and can be fixed in position.
8. The continuous thickness measuring device for the pipe wall according to claim 2, wherein: and the rightmost end of the left working platform is provided with a limit switch for monitoring whether the rotary driving motor moves to a limit position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010694721.2A CN111707181A (en) | 2020-07-18 | 2020-07-18 | Continuous thickness measuring device for pipe wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010694721.2A CN111707181A (en) | 2020-07-18 | 2020-07-18 | Continuous thickness measuring device for pipe wall |
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| Publication Number | Publication Date |
|---|---|
| CN111707181A true CN111707181A (en) | 2020-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010694721.2A Pending CN111707181A (en) | 2020-07-18 | 2020-07-18 | Continuous thickness measuring device for pipe wall |
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| CN (1) | CN111707181A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117146692A (en) * | 2023-10-30 | 2023-12-01 | 聊城好佳一生物乳业有限公司 | Beverage bottle wall thickness detection device |
-
2020
- 2020-07-18 CN CN202010694721.2A patent/CN111707181A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117146692A (en) * | 2023-10-30 | 2023-12-01 | 聊城好佳一生物乳业有限公司 | Beverage bottle wall thickness detection device |
| 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 |
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