CN115235353A - Automatic measuring device for wall thickness and ovality of bent pipe - Google Patents
Automatic measuring device for wall thickness and ovality of bent pipe Download PDFInfo
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- CN115235353A CN115235353A CN202210849938.5A CN202210849938A CN115235353A CN 115235353 A CN115235353 A CN 115235353A CN 202210849938 A CN202210849938 A CN 202210849938A CN 115235353 A CN115235353 A CN 115235353A
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- fixedly connected
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- measuring
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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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
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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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
- G01B11/2408—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures for measuring roundness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
Abstract
The invention discloses an automatic measuring device for the wall thickness and the ovality of a bent pipe. The positioning slide block on the positioning module is always aligned with the 0-degree position of the annular scale plate, the clamping module moves to the corresponding position according to the actual bending radius of the bent pipe, the clamping bent pipe moves outwards, the alignment of the 0-degree position of the bending section of the bent pipe and the 0-degree position on the annular scale plate is ensured, and the bending center of the bending section is the rotation center of the rotation module. And the rotating module rotates to an angle required to be measured, and then the thickness gauge probe and the laser range finder on the measuring module measure the wall thickness and the ovality of the bent pipe. Each module can all carry out position adjustment, and applicable in different bending radius, different pipe diameters, different bending angle's return bend, it is convenient to measure, and the commonality is strong.
Description
Technical Field
The invention relates to the field of elbow measurement, in particular to an automatic elbow wall thickness and ovality measuring device.
Background
The pipe is widely applied, wherein the pipe bending component plays a significant role, and the research on the forming quality of the pipe bending component is more and more. The study on the forming quality of the bent pipe needs to measure the reduction rate, the thickening rate and the ovality of different bending angles and observe the change of the bending angles. Some large factories may have special checking tools, but may be only suitable for a single specification. Only manual measurements can be made for small factories or individuals. The most difficult in the measurement process is to find the position of each bending angle of the bending section of the bent pipe, particularly for some large-caliber bent pipes, the finding is difficult, and the error is large. In this time, an automatic measuring device for the wall thickness and the ovality of the elbow pipe, which is convenient, fast, and has strong universality and can be suitable for different bending radiuses, different diameters and different bending angles of the elbow pipe, is needed.
Disclosure of Invention
The invention provides an automatic measuring device for the wall thickness and the ovality of a bent pipe, which aims at the problems of single specification, difficulty in measurement, insufficient precision and the like of a bent pipe checking fixture in the bent pipe measuring process, is suitable for different bending radii, different bent pipe diameters and different bending angles, and is high in universality, convenience, rapidness and precision.
The purpose of the invention is realized by the following technical scheme:
an automatic measuring device for the wall thickness and the ovality of a bent pipe comprises a workbench, a positioning module, a clamping module, a rotating module and a measuring module;
the workbench comprises a base, a supporting plate, an annular scale plate, a rotary connecting piece, an annular rack, an annular guide rail I, an annular guide rail II and a linear guide rail; the support plate is fixedly connected to the base and used for supporting the bent pipe; the annular scale plate is fixedly connected to the outer edge of the supporting plate and is used for reading the angle of the rotating module; the rotary connecting piece is fixedly connected to the base and used as a rotary center for rotating the rotary module; the annular rack is fixedly connected to the base and meshed with the gear of the rotating module to drive the rotating module to rotate; the first annular guide rail and the second annular guide rail are fixedly connected to the base and play a certain supporting role for the rotating module; the two linear guide rails are fixedly connected to the base, and the multifunctional sliding block of the clamping module can move on the base;
the positioning module comprises a rectangular guide rail, a positioning slide block, a first rack, a first motor mounting plate, a first gear and a first scale plate; the rectangular guide rail is fixedly connected to the base; the positioning slide block is arranged on the rectangular guide rail and can move on the rectangular guide rail; the first rack is fixedly connected to the rectangular guide rail; the first motor is fixedly connected to the positioning sliding block through the first motor mounting plate; a first motor drives a gear I to be meshed with a first rack to drive the positioning slide block to move; the first scale plate is fixedly connected to the base and used for facilitating reading when the positioning sliding block moves;
the clamping module comprises a multifunctional sliding block, a second scale plate, a clamping sliding block, a second rack, a first screw rod, a first coupling, a second motor, a third motor, a second motor mounting plate and a second gear; the multifunctional sliding block is arranged on the two linear guide rails; the two scale plates are fixedly connected to the multifunctional sliding block; the two clamping sliding blocks are arranged on the multifunctional sliding block; the second rack is fixedly connected to the multifunctional sliding block; the first screw rod is arranged on the base; the motor II is fixedly connected to the base and is connected with the screw rod I through a coupler, and the motor II drives the screw rod I to rotate so as to drive the multifunctional sliding block to move; the two motors III are fixedly connected to the two clamping sliding blocks through the motor mounting plates II, and the two motors II respectively drive the gears II to be meshed with the racks II to drive the two clamping sliding blocks to move; the moving direction of the multifunctional sliding block is vertical to that of the clamping sliding block;
the rotating module comprises a pointer type rotating rod, a motor IV and a gear III; the pointer type rotating rod is arranged on the rotating connecting piece, the annular guide rail I and the annular guide rail II; the motor IV is fixedly connected to the pointer type rotating rod; the motor four-drive gear III is meshed with the annular rack to drive the pointer type rotating rod to slide on the annular guide rail I and the annular guide rail I;
the measuring module comprises a screw rod supporting seat, a scale plate III, a fixing plate, a motor V, a coupling II, a screw rod II, a lifting slide block I, a pointer, a sliding chute plate, a supporting track, a rack III, a measuring slide block, a motor VI, a gear IV, a laser range finder I, a thickness gauge probe, a moving slide block I, a gear V, a motor VII, a lifting piece, a slide block connecting plate, a supporting sliding chute plate, a lifting slide block II, a screw rod III, a coupling III, a motor VIII and a laser range finder II; the two lead screw supporting seats are fixedly connected to the pointer type rotating rod; the two scale plates III are fixedly connected to the chute plate, and the chute plate is fixed on the screw rod supporting seat; the fixed plate is fixedly connected to the two lead screw supporting seats; the two motors five are fixedly connected to the two lead screw supporting seats; the two screw rods II are arranged on the two screw rod supporting seats, and the two lifting slide blocks I are arranged on the chute plate; the two motors are synchronously driven, and the screw rod II is driven to rotate through the coupling II, so that the lifting of the lifting slide block I is realized; the pointer is arranged on the first lifting slide block and used for reading; the supporting track is arranged on the two lifting slide blocks I and can lift together with the two lifting slide blocks one by one; the third rack is fixedly connected to the support rail; the two measuring sliding blocks are arranged on the supporting track; the two motors six are respectively arranged on the two measuring sliding blocks, and the two motors six are respectively meshed with the rack three through the driving gear four to realize the movement of the two measuring sliding blocks; the first laser range finder is arranged on the measuring slide block; the two thickness gauge probes are respectively arranged on the two measuring slide blocks; the movable sliding block is arranged on the supporting track and is positioned between the two measuring sliding blocks; the motor seven is fixedly connected to the movable sliding block, and the motor seven drives the gear five to be meshed with the rack three to drive the movable sliding block to move; the lifting piece is arranged on the movable sliding block; the supporting sliding chute plate is fixedly connected to the movable sliding block; the second lifting slide block is arranged on the supporting slide groove plate; the lifting piece is fixedly connected with the second lifting slide block through a slide block connecting plate to realize lifting together; the motor eight drives the screw rod three to rotate through the coupler three, and lifting of the lifting slide block two and the lifting piece is achieved; and the second laser range finder is arranged on the lifting piece, and calculates the diameter of the long shaft of the bent pipe through the distance between the second laser range finder and the fixed plate.
Furthermore, a positioning sliding block in the positioning module is always aligned with the angle position of the annular scale plate, and the bottom of the sliding block is designed in a pointer type mode, so that reading is facilitated.
Furthermore, the bottom and the upper surface of the multifunctional sliding block in the clamping module are provided with sliding grooves, the multifunctional sliding block can move longitudinally along the two linear guide rails, the clamping sliding block can move transversely on the multifunctional sliding block, and the plane transverse and longitudinal movement of the bent pipe can be realized by clamping the bent pipe.
Furthermore, the clamping surface of the clamping slide block in the clamping module is provided with stripes, so that the friction between the clamping slide block and the bent pipe can be increased, and the clamping is convenient; the bottom end is designed in a pointer type, so that the reading is convenient.
Furthermore, a notch is formed in the lower side of the pointer type rotating rod in the rotating module and can rotate along the annular track; the pointer direction is inwards, the scale value of the annular scale plate can be conveniently read, a motor four is arranged outside, and a motor four driving gear three is meshed with the annular rack, so that the annular scale plate can rotate to a required angle.
Furthermore, a first laser range finder is mounted on a measuring slide block in the measuring module, the tip of the measuring slide block and the first laser range finder are on the same plane, the measuring slide block moves, one side of the tip is attached to the bent pipe, and the distance between the two measuring slide blocks is measured by the first laser range finder to calculate the shaft diameter of the bent pipe section; and the thickness measuring instrument probe is also arranged on the measuring slide blocks, and the two measuring slide blocks are tightly attached to the outer side of the bent pipe and the middle ridge line of the inner side to measure the thickness of the bent pipe.
Furthermore, the lifting piece is U-shaped, a track is arranged on the inner side of the lifting piece, and the lifting piece is installed on the first movable sliding block through the track.
And further, processing the tip of the lower end of the lifting part, enabling the tip to be attached to the bent pipe, installing a second laser range finder on the edge, and calculating the diameter of the long shaft of the bent pipe by measuring the distance between the second laser range finder and the fixed plate.
The invention has the following beneficial effects:
(1) In the automatic measuring device for the wall thickness and the ovality of the bent pipe, the bent pipes with different bending radiuses, different diameters and different bending angles are basically applicable, and the universality is strong. And the wall thickness and the ovality of the elbow can be measured without replacing any part.
(2) In the automatic measuring device for the wall thickness and the ovality of the bent pipe, the thickness gauge and the laser range finder are used, so that the measuring precision is greatly improved.
(3) In the automatic measuring device for the wall thickness and the ovality of the bent pipe, the positioning sliding blocks on the positioning module and the clamping module and the two sides of the clamping sliding block are designed like pointers, and the pointers point to the scale plate, so that the clamping and the positioning of the pipe fitting can be accurately controlled.
(4) In the automatic measuring device for the wall thickness and the ovality of the bent pipe, the pointer points to the annular scale plate, and the gear is meshed with the annular rack through the motor, so that the external arrangement of any bent angle of 0-180 degrees of the bent section of the bent pipe can be accurately found.
(5) In the automatic measuring device for the wall thickness and the ovality of the bent pipe, the inner side of the measuring slide block of the measuring module and the lower side of the lifting piece are subjected to tip processing, so that the position of a required angle can be found more accurately.
Drawings
FIG. 1 is a schematic view of the overall structure of an automatic measuring device for the wall thickness and ovality of a bent pipe;
FIG. 2 is a schematic view of a portion of the table of FIG. 1;
FIG. 3 is a schematic view of a portion of the table of FIG. 1;
FIG. 4 is a schematic view of the detailed parts of the base of FIG. 2;
FIG. 5 is a schematic structural diagram of the orientation module of FIG. 1;
FIG. 6 is a detail view of the rectangular rail of FIG. 5;
FIG. 7 is a schematic structural view of the clamping module of FIG. 1;
FIG. 8 is a schematic view of the multi-function slide of FIG. 7 with details;
FIG. 9 is a schematic view of the details of the clamping slide of FIG. 8;
FIG. 10 is a schematic diagram of the measurement module of FIG. 1;
FIG. 11 is a schematic detail view of the pointer-type rotating lever of FIG. 10;
FIG. 12 is a schematic diagram of the structure of the measurement module of FIG. 1;
FIG. 13 is a schematic view of a portion of the measurement module of FIG. 12;
FIG. 14 is a schematic view of a portion of the measurement module of FIG. 12;
FIG. 15 is a schematic view of a portion of the measurement module of FIG. 12;
FIG. 16 is a schematic view of the first lifter shoe of FIG. 12 showing details of the first lifter shoe;
FIG. 17 is a schematic detail view of the gage slide of FIG. 12;
FIG. 18 is a schematic view of a portion of the structure of the measurement module of FIG. 12
FIG. 19 is a schematic view of the details of the elevator member of FIG. 12;
FIG. 20 is a schematic diagram of the second lifting slide shown in FIG. 12;
in the figure, a workbench 1, a positioning module 2, a clamping module 3, a rotating module 4, a measuring module 5, a bent pipe 6, a base 11, a support plate 12, an annular scale plate 13, a rotating connector 14, an annular rack 15, a first annular guide rail 16, a second annular guide rail 17, a linear guide rail 18, a rectangular guide rail 21, a positioning slider 22, a first rack 23, a first motor 24, a first motor mounting plate 25, a first gear 26, a first scale plate 27, a multifunctional slider 31, a second scale plate 32, a clamping slider 33, a second rack 34, a first lead screw 35, a first coupler 36, a second motor 37, a third motor 38, a second motor mounting plate 39, a second gear 310, a pointer type rotating rod 41, a fourth motor 42, a third gear 43, a lead screw supporting seat 51, a third scale plate 52, a fixed plate 53, a fifth motor 54, a second coupler 55, a second lead screw 56, a first lifting slider 57, a pointer 58, a sliding groove plate 59, a supporting track 510, a third rack 511, a measuring slider 512, a sixth motor 513, a fourth gear, a first laser range finder 515, a thickness meter probe 516, a moving slider 517, a seventh lifting slider 522, a connecting plate 520, a lifting slider 520, a connecting plate 527, a laser range finder 521, a connecting plate 521, a laser range finder 521, and a laser range finder 521.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and preferred embodiments, and the objects and effects of the present invention will become more apparent, it being understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.
As shown in FIG. 1, the automatic measuring device for the wall thickness and ovality of the elbow pipe comprises a workbench 1, a positioning module 2, a clamping module 3, a rotating module 4 and a measuring module 5.
As shown in fig. 2 to 4, the workbench 1 includes a base 11, a support plate 12, an annular scale plate 13, a rotary connector 14, an annular rack 15, a first annular guide rail 16, a second annular guide rail 17, and two linear guide rails 18. The rotary connecting piece 14 is provided with a stepped hole, and is screwed in a screw to be installed and fixed at the center of the base 11. The annular rack 15 is fixed to the base 11 by screws. Stepped holes are formed in the first annular guide rail 16 and the second annular guide rail 17, and screws are screwed in to fix the annular guide rails on the base 11. The support plate 12 is provided with a stepped hole, and the support plate 12 is fixed on the base 11 by screwing in a screw. The annular scale plate 13 is provided with a stepped hole, and is screwed in by a screw to be installed on the support plate 12. The two linear guide rails 18 are provided with stepped holes, and are screwed in screws to be installed and fixed on the base 11.
As shown in fig. 5 to 6, the positioning module 2 includes a rectangular guide rail 21, a positioning slider 22, a rack one 23, a motor one 24, a motor mounting plate one 25, a gear one 26, and a scale plate one 27. The rectangular guide rail 21 is embedded and fixed on the base 11 and is provided with a movable notch. The first rack 23 is fixed on the rectangular guide rail 21 through screw installation. The positioning slider 22 is mounted on the rectangular guide rail 21. The motor mounting plate I25 is fixedly arranged on the positioning slide block 22 through screws. The motor 24 is fixed on the motor mounting plate I25 through screw installation. The first gear 26 is fixed on the motor mounting plate 25 through screws, and the first scale plate 27 is provided with a stepped hole and is fixed on the base 11 by screwing the screws. One side of the positioning slide block 22 is designed to be pointer-type and points to the first scale plate 27. The first motor 24 drives the first gear 26 to be meshed with the first rack 23, and the positioning slide block 22 is driven to move to a required position.
As shown in fig. 7 to 9, the clamping module 3 includes a multifunctional slider 31, two scale plates 32, two clamping sliders 33, a rack two 34, a screw rod one 35, a coupling one 36, a motor two 37, two motors three 38, two motor mounting plates two 39, and two gears two 310. The multifunctional sliding block 31 is provided with two notches below, is arranged on the two linear guide rails 18 and can move on the two linear guide rails. And stepped holes are formed in the two second scale plates 32, and screws are screwed in to fix the two second scale plates on two sides of the multifunctional sliding block 31. The two clamping sliding blocks 33 are provided with stripe notches to increase the friction with the bent pipe, and the two clamping sliding blocks 33 are arranged on the multifunctional sliding block 31 and can slide on the multifunctional sliding block. The second rack 34 is fixed on the multifunctional sliding block 31 through a screw. The first screw rod 35 is installed on the base 11, and the second motor 37 is installed and fixed on the base 11 through screws. The second motor 37 drives the first screw rod 35 to rotate through the first coupling 36, so as to drive the multifunctional sliding block 31 to move on the two linear guide rails 18. The two second motor mounting plates 39 are respectively fixed on the two clamping sliding blocks 33 through screws, and the two third motors 38 are respectively mounted on the two second motor mounting plates 39 and respectively drive the two second gears 310 to be meshed with the second racks 34 to drive the two clamping sliding blocks 33 to move on the rectangular guide rail 31.
As shown in fig. 10 to 11, the rotation module 4 includes a pointer-type rotation lever 41, a motor four 42, and a gear three 43. The pointer on the pointer type rotating rod 41 points to the annular scale plate 13 and is installed on the rotary connecting piece 14, and two notches are formed in the lower portion of the pointer type rotating rod 41 and are installed on the first annular guide rail 16 and the second annular guide rail 17. The motor four 42 is fixed on the pointer type rotating rod 41 through screw installation, and the motor four 42 drives the gear three 43 to be meshed with the annular rack 15, so that the pointer type rotating rod 41 can be driven to rotate on the annular guide rail one 16 and the annular guide rail 17 around the rotary connecting piece 14.
As shown in fig. 12 to 20, the measuring module 5 includes two lead screw supporting seats 51, two scale plates three 52, a fixing plate 53, two motor five 54, two coupling two 55, two lead screw two 56, two lifting sliders one 57, two pointers 58, two chute plates 59, a supporting rail 510, a rack three 511, two measuring sliders 512, two motor six 513, two gear four 514, a laser range finder one 515, a thickness gauge probe 516, a moving slider one 517, a gear five 518, a motor seven 519, a lifting member 520, two slider connecting plates 521, a supporting chute plate 522, a lifting slider two 523, a lead screw three 524, a coupling three 525, a motor eight 526, and a laser range finder two 527. The two screw rod supporting seats 51 are fixed to both ends of the pointer type rotating rod 41 by screws. The two chute plates 59 are respectively fixed on the two screw rod supporting seats 51 by screws. The two third scale plates 52 are respectively fixed on the left and right chute plates 59 through screws. The fixing plate 53 is mounted on the left and right lead screw supporting seats 51 by screws. The two motors five 54 are fixed on the left screw rod supporting seat 51 and the right screw rod supporting seat 51 through screws. The two lifting slide blocks I57 are arranged on the left screw rod supporting seat 51 and the right screw rod supporting seat 51, and the two couplers II 55 are arranged on the left screw rod supporting seat 51 and the right screw rod supporting seat 51. The two motors five 54 respectively drive the two screw rods 56 to rotate through the couplings two 55, and the lifting of the lifting slide blocks one 57 is realized. Two pointers 58 are fixed on the left lifting slide block 57 and the right lifting slide block 57 through screws, and the pointers point to the third scale plate 52. The support rail 510 is fixed on the two lifting sliders 57 by screws and is lifted together with the lifting sliders. The third rack 511 is fixed on the support rail 510 by screw installation. Two measuring sliding blocks 512 are installed on the supporting track 510, two motors six 513 are respectively installed on the two measuring sliding blocks 512 through screws, and a driving gear four 514 is meshed with the rack three 511, so that the two measuring sliding blocks 512 move on the supporting track 510. The contact surface of the measuring slide block 512 and the bent pipe is sharpened. The first laser range finder 515 is arranged at the upper end of the measuring slide block 512, and the thickness gauge probe 516 is arranged at the lower ends of the two measuring slide blocks 512. The first moving slide block 517 is installed on the supporting track 510 and located between the two measuring slide blocks 512, and the motor seven 519 is installed and fixed on the first moving slide block 517 through a screw, and drives the fifth driving gear 518 to be meshed with the third rack 511 to drive the first moving slide block 517 to move on the supporting track 510. The lifting member 520 is U-shaped, and a rail is disposed inside the lifting member 520, and the lifting member 520 is mounted on the first movable slider 517 through the rail. The supporting sliding chute plate 522 is fixedly connected to the first moving sliding block 517, the second lifting sliding block 523 is installed on the supporting sliding chute plate 522, and the two sliding block connecting plates 521 are connected with the lifting piece 520 and the second lifting sliding block 523 through screwing screws to realize lifting together. The motor eight 526 drives the screw rod three 524 to rotate through the coupling three 525, and the lifting of the lifting slide block two 523 and the lifting piece 520 are realized.
The working process or working principle of the auxiliary device for manually measuring the ovality of the bent pipe is as follows.
First, all the modules are in a reset state, that is, the positioning slider 22 is at the leftmost end, the two clamping sliders 33 are at the leftmost end and the rightmost end, respectively, the pointer-type rotating lever 41 is directed to the 0 ° position of the annular scale plate 13, the supporting rail 510 is at the uppermost end, and the two measuring sliders 512 are at the leftmost end and the rightmost end of the supporting rail 510, respectively. The lifter 520 is at the uppermost position and the moving slider one 517 is at the middle position of the support rail 510.
During operation, the positioning slide block 22 moves to a corresponding position according to the bending radius of the bent pipe, and then the bent pipe is placed on the workbench. Then the left clamping slide block 33 moves to a corresponding position according to the bending radius of the measured bent pipe, and the right clamping slide block 33 moves to one side of the bent pipe until the bent pipe is clamped. After the bent pipe is clamped, the multifunctional sliding block 31 slowly moves outwards until the positioning sliding block 22 clamps the bent pipe and cannot move, at this time, the initial bending position of the bent pipe, namely the position of 0 degree of the bending section, is aligned with the position of 0 degree of the annular scale plate, and the bending center of the bent pipe is the bending center of the function pointer 41, namely, the clamping and positioning of the bent pipe are completed.
When the wall thickness is measured, the first lifting slide block 57 moves downwards to a corresponding position according to the diameter of the straight line section of the bent pipe, namely, a thickness gauge probe on the measuring slide block 512 is aligned with a ridge line in the inner side and the outer side of the bent pipe, the left measuring slide block and the right measuring slide block move towards the middle until the left measuring slide block and the right measuring slide block are respectively attached to the inner side and the outer side of the bent pipe, and the wall thickness value is measured. When the wall thickness of the next angle position is measured, the two measuring slide blocks 512 move outwards, and when the pointer rotates to the next required measuring angle, the pointer moves inwards, and the bent pipe is attached for measurement. The thickness gauge probe is an ultrasonic thickness gauge probe, and is used for measuring the thickness according to the ultrasonic pulse reflection principle, when an ultrasonic pulse transmitted by the probe reaches the interface surface of a material through a measured object, the pulse is reflected back to the probe, and the thickness of the measured material is determined by accurately measuring the propagation time of the ultrasonic wave in the material.
When the ovality is measured, namely the major axis diameter and the minor axis diameter of the bent pipe are measured, the lifting slide block I57 moves downwards to a corresponding position according to the straight line section diameter of the bent pipe, the left and right measuring slide blocks 512 move towards the middle until the tip positions of the two measuring slide blocks 512 touch the inner side and the outer side of the bent pipe, and the minor axis diameter of the position of the bent pipe is recorded according to the reading of the laser detector I515.
The first movable sliding block 517 drives the lifting piece 520 to move to the middle of the two measuring sliding blocks 512, the lifting piece 520 moves downwards until the tip position of the lower end of the lifting piece touches the bent pipe, the second laser range finder 527 records data, and the diameter of the long shaft of the bent pipe is calculated according to a compensation value. When the wall thickness of the next angle position is measured, the two measuring sliding blocks 512 move outwards, the lifting piece 520 moves upwards, when the pointer rotates to the next required measuring angle, the two measuring sliding blocks 512 move inwards again, the lifting piece 520 moves downwards, and the bent pipe is attached and measured. And resetting all modules after the measurement is finished.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the invention and is not intended to limit the invention to the particular forms disclosed, and that modifications may be made, or equivalents may be substituted for elements thereof, while remaining within the scope of the claims that follow. All modifications, equivalents and the like which come within the spirit and principle of the invention are intended to be included within the scope of the invention.
Claims (8)
1. An automatic measuring device for the wall thickness and the ovality of a bent pipe is characterized by comprising a workbench (1), a positioning module (2), a clamping module (3), a rotating module (4) and a measuring module (5);
the workbench (1) comprises a base (11), a support plate (12), an annular scale plate (13), a rotary connecting piece (14), an annular rack (15), an annular guide rail I (16), an annular guide rail II (17) and a linear guide rail (18); the support plate (12) is fixedly connected to the base (11) and is used for supporting the bent pipe (6); the annular scale plate (13) is fixedly connected to the outer edge of the support plate (12) and is used for reading the angle of the rotating module (4); the rotary connecting piece (14) is fixedly connected to the base (11) and used as a rotary center for rotating the rotary module (4); the annular rack (15) is fixedly connected to the base (11) and is meshed with the gear of the rotating module (4) to drive the rotating module (4) to rotate; the first annular guide rail (16) and the second annular guide rail (17) are fixedly connected to the base (11) and play a certain supporting role for the rotating module (4); the two linear guide rails (18) are fixedly connected to the base (11), and the multifunctional sliding block (31) of the clamping module (3) can move on the linear guide rails;
the positioning module (2) comprises a rectangular guide rail (21), a positioning sliding block (22), a rack I (23), a motor I (24), a motor mounting plate I (25), a gear I (26) and a scale plate I (27); the rectangular guide rail (21) is fixedly connected to the base (11); the positioning slide block (22) is arranged on the rectangular guide rail (21) and can move on the rectangular guide rail; the first rack (23) is fixedly connected to the rectangular guide rail (21); the first motor (24) is fixedly connected to the positioning slide block (22) through a first motor mounting plate (25); a first motor (24) drives a first gear (26) to be meshed with a first rack (23) to drive a positioning sliding block (22) to move; the first scale plate (27) is fixedly connected to the base (11) and used for facilitating reading when the positioning slide block (22) moves;
the clamping module (3) comprises a multifunctional sliding block (31), a second scale plate (32), a clamping sliding block (33), a second rack (34), a first screw rod (35), a first coupling (36), a second motor (37), a third motor (38), a second motor mounting plate (39) and a second gear (310); the multifunctional sliding block (31) is arranged on the two linear guide rails (18); the two scale plates (32) are fixedly connected to the multifunctional sliding block (31); the two clamping sliding blocks (33) are arranged on the multifunctional sliding block (31); the second rack (34) is fixedly connected to the multifunctional sliding block (31); the first screw rod (35) is arranged on the base (11); the second motor (37) is fixedly connected to the base (11) and is connected with the first screw rod (35) through a coupler (36), and the second motor (37) drives the first screw rod (35) to rotate so as to drive the multifunctional sliding block (31) to move; the two motors III (38) are fixedly connected to the two clamping sliding blocks (33) through the motor mounting plates II (39), and the two motors II (38) respectively drive the gears II (310) to be meshed with the racks II (34) to drive the two clamping sliding blocks (33) to move; the moving direction of the multifunctional sliding block (31) is vertical to the moving direction of the clamping sliding block (33);
the rotating module (4) comprises a pointer type rotating rod (41), a motor IV (42) and a gear III (43); the pointer type rotating rod (41) is arranged on the rotating connecting piece (14), the first annular guide rail (16) and the second annular guide rail (17); the motor IV (42) is fixedly connected to the pointer type rotating rod (41); a driving gear III (43) of a motor IV (42) is meshed with the annular rack (15) to drive the pointer type rotating rod (41) to slide on the annular guide rail I (16) and the annular guide rail (17);
the measuring module (5) comprises a screw rod supporting seat (51), a scale plate III (52), a fixing plate (53), a motor V (54), a coupler II (55), a screw rod II (56), a lifting slide block I (57), a pointer (58), a sliding chute plate (59), a supporting track (510), a rack III (511), a measuring slide block (512), a motor VI (513), a gear IV (514), a laser range finder I (515), a thickness gauge probe (516), a moving slide block I (517), a gear V (518), a motor VII (519), a lifting piece (520), a slide block connecting plate (521), a supporting sliding chute plate (522), a lifting slide block II (523), a screw rod III (524), a coupler III (525), a motor eight (526) and a laser range finder II (527); the two lead screw supporting seats (51) are fixedly connected to the pointer type rotating rod (41); the two scale plates III (52) are fixedly connected to a chute plate (59), and the chute plate (59) is fixed on the screw rod supporting seat (51); the fixed plate (53) is fixedly connected to the two lead screw supporting seats (51); the two motors five (54) are fixedly connected to the two lead screw supporting seats (51); the two second screw rods (56) are arranged on the two screw rod supporting seats (51), and the two lifting slide blocks (57) are arranged on the chute plate (59); the two motors five (54) are synchronously driven, and the screw rod two (56) is driven to rotate through the coupling two (55), so that the lifting of the lifting slide block one (57) is realized; the pointer (58) is arranged on the first lifting slide block (57) and is used for reading; the supporting track (510) is arranged on the two lifting slide blocks I (57) and is lifted together with the two lifting slide blocks I (57); the third rack (511) is fixedly connected to the support rail (510); the two measuring sliders (512) are mounted on a support rail (510); the two motors six (513) are respectively installed on the two measuring sliding blocks (512), and the two motors six (513) are respectively meshed with the rack three (511) through the driving gear four (514) to realize the movement of the two measuring sliding blocks (512); the first laser range finder (515) is arranged on the measuring slide block (512); the two thickness gauge probes (516) are respectively arranged on the two measuring sliding blocks (512); the moving slide (517) is mounted on the support track (510) and is located between the two measuring slides (512); the seven (519) motor is fixedly connected to the movable sliding block (517), and the seven (519) motor drives the five (518) gear to be meshed with the third rack (511) to drive the movable sliding block (517) to move; the lifting piece (520) is arranged on the movable sliding block (517); the supporting sliding chute plate (522) is fixedly connected to the movable sliding block (517); the second lifting slide block (523) is arranged on the supporting slide groove plate (522); the lifting piece (520) is fixedly connected with a second lifting slide block (523) through a slide block connecting plate (521) to realize lifting together; the motor eight (526) is installed on the supporting chute plate (522), and the motor eight (526) drives the screw rod three (52) to rotate through the coupling three (525), so that the lifting of the lifting slide block two (523) and the lifting piece (520) is realized; the second laser range finder (527) is arranged on the lifting piece (520), and the long axis diameter of the bent pipe is calculated according to the distance between the second laser range finder and the fixing plate (53).
2. The automatic measuring device for the wall thickness and the ovality of the elbow pipe according to claim 1 is characterized in that a positioning slide block (22) in the positioning module (2) is always aligned with the 0-degree position of the annular scale plate (13), and the bottom of the slide block is in pointer type design, so that the reading is convenient.
3. The automatic measuring device for the wall thickness and the ovality of a bent pipe according to claim 1, characterized in that the multifunctional sliding blocks (31) in the clamping module (3) are provided with sliding grooves at the bottom and the top, the multifunctional sliding blocks (31) can move longitudinally along the two linear guide rails (18), the clamping sliding blocks (33) can move transversely on the multifunctional sliding blocks (31), and the plane transverse and longitudinal movement of the bent pipe can be realized by clamping the bent pipe.
4. The automatic measuring device for the wall thickness and the ovality of the elbow pipe according to claim 1 is characterized in that the clamping surface of the clamping slide block (32) in the clamping module (3) is provided with stripes, so that the friction between the clamping slide block and the elbow pipe can be increased, and the clamping is facilitated; the bottom end is designed in a pointer type, so that the reading is convenient.
5. The automatic measuring device for the wall thickness and the ovality of the elbow pipe according to claim 1, characterized in that a notch is formed in the lower side of a pointer type rotating rod (41) in the rotating module (4) and can rotate along an annular track; the pointer is directed inwards to facilitate reading the scale value of the annular scale plate, a motor IV (42) is arranged outside, and a gear III (43) is driven by the motor IV (42) to be meshed with the annular rack (15), so that the annular scale plate rotates to a required angle.
6. The automatic measuring device for the wall thickness and the ovality of the elbow pipe according to claim 1, characterized in that a first laser distance meter (515) is mounted on a measuring slide block (512) in the measuring module (5), the contact surface of the measuring slide block (512) and the elbow pipe is on the same plane as the first laser distance meter (515), the measuring slide block (512) moves, the contact surface of the measuring slide block (512) and the elbow pipe is attached to the elbow pipe, and the distance between the two measuring slide blocks is measured through the first laser distance meter (515) to calculate the diameter of the shaft of the elbow pipe section; and the thickness gauge probe (516) is also arranged on the measuring slide blocks (512), and the two measuring slide blocks (512) are tightly attached to the outer side of the bent pipe and the middle ridge line of the inner side to measure the thickness of the bent pipe.
7. The automatic measuring device for the wall thickness and the ovality of the elbow pipe according to claim 1, wherein the lifting member (520) is U-shaped, a track is arranged on the inner side of the U-shaped, and the lifting member (520) is mounted on the first movable sliding block (517) through the track.
8. The apparatus for automatically measuring the wall thickness and the ovality of a bent pipe according to claim 1, wherein the lower end of the lifting member (520) is processed to be pointed, the pointed end is attached to the bent pipe, a second laser range finder (527) is installed on the edge of the lifting member, and the diameter of the long axis of the bent pipe is calculated by measuring the distance from the fixed plate (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210849938.5A CN115235353A (en) | 2022-07-19 | 2022-07-19 | Automatic measuring device for wall thickness and ovality of bent pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210849938.5A CN115235353A (en) | 2022-07-19 | 2022-07-19 | Automatic measuring device for wall thickness and ovality of bent pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115235353A true CN115235353A (en) | 2022-10-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210849938.5A Pending CN115235353A (en) | 2022-07-19 | 2022-07-19 | Automatic measuring device for wall thickness and ovality of bent pipe |
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| Country | Link |
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| CN (1) | CN115235353A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115900599A (en) * | 2023-02-20 | 2023-04-04 | 四川思创博睿工业设计有限公司 | Automatic positioning center mechanism and method for pipe measurement |
| CN116858079A (en) * | 2023-07-18 | 2023-10-10 | 常州润来科技有限公司 | Intelligent detection device for finished product of precise copper pipe |
-
2022
- 2022-07-19 CN CN202210849938.5A patent/CN115235353A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115900599A (en) * | 2023-02-20 | 2023-04-04 | 四川思创博睿工业设计有限公司 | Automatic positioning center mechanism and method for pipe measurement |
| CN116858079A (en) * | 2023-07-18 | 2023-10-10 | 常州润来科技有限公司 | Intelligent detection device for finished product of precise copper pipe |
| CN116858079B (en) * | 2023-07-18 | 2024-01-19 | 常州润来科技有限公司 | Intelligent detection device for finished product of precise copper pipe |
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