CN111207720A - Coaxiality detection tool for assembled large motor iron core and assembled machine base - Google Patents
Coaxiality detection tool for assembled large motor iron core and assembled machine base Download PDFInfo
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- CN111207720A CN111207720A CN202010210530.4A CN202010210530A CN111207720A CN 111207720 A CN111207720 A CN 111207720A CN 202010210530 A CN202010210530 A CN 202010210530A CN 111207720 A CN111207720 A CN 111207720A
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- fixedly connected
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- large motor
- coaxiality
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
- G01B21/24—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes for testing alignment of axes
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Abstract
The invention discloses a coaxiality detection tool for assembled large motor iron cores and a base, which comprises a box body, wherein the opposite inner walls of the box body are fixedly connected with fixing plates arranged along the vertical direction, one opposite sides of the two fixing plates are respectively provided with a sliding groove, the opposite inner wall of one sliding groove is fixedly connected with a guide rod arranged along the vertical direction, the upper end of the box body is fixedly connected with a first driving motor, an output shaft of the first driving motor is fixedly connected with a first threaded rod which sequentially penetrates through the box body and the fixing plates, one end of the first threaded rod, which is positioned in the sliding groove, is rotatably connected to the inner wall of the sliding groove, and sliding blocks are respectively arranged on the first threaded rod and the guide rod. The invention can detect the coaxiality of the iron cores of a plurality of motors and the end surface of the motor base at one time, and has accurate detection, convenience and quickness.
Description
Technical Field
The invention relates to the technical field of coaxiality detection equipment, in particular to a coaxiality detection tool for assembled large-scale motor cores and bases.
Background
The motor is mainly used for generating driving torque and is used as a power source of electric appliances or various machines. The main function of the device is to convert mechanical energy into electric energy, the most common use at present is that the rotor of the generator is pushed by heat energy, water energy and the like to generate electricity, the motor can be divided into a stepped constant speed motor, a stepless constant speed motor, a stepped variable speed motor and a stepless variable speed motor, and can also be divided into an electromagnetic speed regulating motor, a direct current speed regulating motor, a PWM (pulse-width modulation) variable frequency speed regulating motor and a switched reluctance speed regulating motor, the rotor speed of the asynchronous motor is always slightly lower than the synchronous speed of a rotating magnetic field, and the rotor speed of the synchronous motor is irrelevant to the size of a load and is always kept.
After the iron core and the base of the large-scale motor are assembled, the requirement of coaxiality of the iron core and the end face seam allowance of the base of the motor must be met, and the workpiece is large, so that when the large-scale iron core consisting of multiple sections is detected on a machine tool in the prior art, one section of the iron core must be installed once, and the detection is very complicated.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a coaxiality detection tool for assembled iron cores and bases of large motors.
In order to achieve the purpose, the invention adopts the following technical scheme:
a coaxiality detection tool for assembled large motor iron cores and engine bases comprises a box body, wherein fixed plates arranged in the vertical direction are fixedly connected to the opposite inner walls of the box body, sliding grooves are formed in the opposite sides of the two fixed plates, a guide rod arranged in the vertical direction is fixedly connected to the opposite inner wall of one sliding groove, a first driving motor is fixedly connected to the upper end of the box body, a first threaded rod sequentially penetrating through the box body and the fixed plates is fixedly connected to an output shaft of the first driving motor, one end, located in the sliding groove, of the first threaded rod is rotatably connected to the inner wall of the sliding groove, sliding blocks are mounted on the first threaded rod and the guide rod, a sliding block located on the first threaded rod is in threaded connection with the first threaded rod, the sliding block located on the guide rod is in sliding connection with the guide rod, and a transverse plate, the lower extreme equidistance of diaphragm is provided with a plurality of buffer gear, the round platform is installed to buffer gear's lower extreme, a plurality of distance sensor of circumference equidistance fixedly connected with are followed to the inclined plane of round platform, the interior bottom fixedly connected with base of box, a plurality of recesses that are used for placing the frame that correspond with the round platform position are seted up to the upper end of base, be provided with on the base and be used for carrying out the fixing device who fixes to the frame in the recess.
Preferably, buffer gear includes two mountings of fixed connection at the diaphragm lower extreme, two the common fixedly connected with mounting panel of lower extreme of mounting, the both ends downside of mounting panel all rotates and is connected with the guide cylinder, sliding connection has the guide bar in the guide cylinder, two connecting pieces of lower extreme fixedly connected with of guide bar, two a fixedly connected with movable rod between the connecting piece, the mounting panel is run through to the upper end of movable rod, the movable rod is close to a one end lateral wall fixedly connected with stopper of connecting piece, the part cover that the movable rod is located between stopper and the mounting panel is equipped with the spring, buffer gear's the outside is provided with protection machanism.
Preferably, the protection mechanism comprises a first cylinder sleeved outside the buffer mechanism, a plurality of balls are embedded outside the first cylinder, and the circular table extends out of the lower end opening of the first cylinder under the action of no external force.
Preferably, fixing device is including seting up two circular slots on the relative inner wall of recess, two all rotate in the circular slot and be connected with the second drum, second drum threaded connection has the second threaded rod, the one end fixedly connected with splint that the second threaded rod is located the recess, still install on the base and be used for driving splint and carry out the actuating mechanism that presss from both sides tightly to the frame.
Preferably, the driving mechanism comprises a second driving motor fixedly connected to the upper end of the base, a device cavity communicated with the circular groove is formed in the side wall of the base, the second cylinder is located at one end of the device cavity and fixedly connected with a first bevel gear, a strip-shaped groove is formed in the side wall of the base, an output shaft of the second driving motor penetrates through the upper end of the base and extends into the strip-shaped groove, a first chain wheel is fixedly connected to the tail end of the output shaft of the second driving motor, a transmission shaft extending into the circular groove is arranged on the inner wall of the device cavity in a penetrating manner, one end of the transmission shaft located in the device cavity is fixedly connected with a second bevel gear meshed with the first bevel gear, a second chain wheel is fixedly connected to one end of the transmission shaft located in the strip-shaped groove, and the first chain wheel and the second.
Preferably, the lateral wall of splint veneer has the rubber pad, the surface of rubber pad is equipped with multichannel antiskid groove, multichannel antiskid groove equipartition is in the surface of rubber pad.
Preferably, the lower end of the box body is provided with an anti-skid groove, and the box body is fixedly connected with the ground through an expansion screw.
Preferably, a pressure sensor is mounted at the lower end of the circular truncated cone.
The invention has the following beneficial effects:
1. the first threaded rod is driven to rotate by the rotation of the first driving motor, the first threaded rod drives the sliding block to move downwards, the sliding block moves downwards to enable the circular truncated cone to extend into the machine base, the distance between the circular truncated cone and the inner wall of the machine base is measured by the distance sensor on the periphery of the circular truncated cone, and if the difference of all groups of data is within a reasonable range, the coaxiality of the machine base and the organized motor iron core is qualified, accurate in detection, convenient and fast;
2. rotate through second driving motor and drive first sprocket and rotate, first sprocket rotates and drives a plurality of second sprockets through the driving chain and rotates, the second sprocket rotates and drives second bevel gear through the transmission shaft and rotates, second bevel gear rotates and drives first bevel gear and rotate, and then drive the second drum and rotate, the second drum rotates and drives the second threaded rod of threaded connection with it and removes, and then presss from both sides tightly fixedly to the frame through splint, can insist on a plurality of frames simultaneously, great improvement efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a coaxiality detection tool after assembling a large motor core and a machine base according to the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is an enlarged view of the structure at B in FIG. 1;
fig. 4 is an enlarged schematic view of the structure at C in fig. 1.
In the figure: the device comprises a box body 1, a fixing plate 2, a guide rod 3, a transverse plate 4, a first driving motor 5, a sliding block 6, a first threaded rod 7, a sliding chute 8, a second driving motor 9, a groove 10, a base 11, a circular table 12, a clamping plate 13, a first cylinder 14, a first ball 15, a fixing part 16, a mounting plate 17, a guide cylinder 18, a guide rod 19, a spring 20, a movable rod 21, a limiting block 22, a connecting part 23, a distance sensor 24, a pressure sensor 25, a second threaded rod 26, a second cylinder 27, a device cavity 28, a first bevel gear 29, a second bevel gear 30, a transmission shaft 31, a transmission chain 32, a second chain wheel 33 and a first chain wheel 34.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-4, a coaxiality detection tool after assembly of a large motor iron core and a machine base comprises a box body 1, wherein the lower end of the box body 1 is provided with an anti-skid groove, the box body 1 is fixedly connected with the ground through an expansion screw, the opposite inner walls of the box body 1 are fixedly connected with fixed plates 2 arranged along the vertical direction, one sides of the two fixed plates 2 opposite to each other are provided with sliding grooves 8, the opposite inner wall of one sliding groove 8 is fixedly connected with a guide rod 3 arranged along the vertical direction, the upper end of the box body 1 is fixedly connected with a first driving motor 5, an output shaft of the first driving motor 5 is fixedly connected with a first threaded rod 7 which sequentially penetrates through the box body 1 and the fixed plates 2, one end of the first threaded rod 7 positioned in the sliding groove 8 is rotatably connected on the inner wall of the sliding groove 8, sliding blocks 6 are respectively arranged on the first threaded rod, the sliding blocks 6 positioned on the guide rods 3 are connected with the guide rods 3 in a sliding mode, a transverse plate 4 is fixedly connected between the two sliding blocks 6, the first driving motor 5 rotates to drive the first threaded rod 7 to rotate, the first threaded rod 7 rotates to drive the sliding blocks 6 to move downwards, the sliding blocks 6 move downwards to enable the circular truncated cone 12 to extend into the machine base, the distance sensors 24 on the periphery of the circular truncated cone 12 measure the distance from the circular truncated cone 12 to the inner wall of the machine base, and if the difference of all groups of data is within a reasonable range, the coaxiality of the machine base and the organized motor.
The lower extreme equidistance of diaphragm 4 is provided with a plurality of buffer gear, round platform 12 is installed to buffer gear's lower extreme, pressure sensor 25 is installed to the lower extreme of round platform 12, buffer gear includes two mounting 16 of fixed connection at diaphragm 4 lower extreme, the common fixedly connected with mounting panel 17 of the lower extreme of two mounting 16, the both ends downside of mounting panel 17 all rotates and is connected with guide cylinder 18, sliding connection has guide bar 19 in the guide cylinder 18, two connecting pieces 23 of lower extreme fixedly connected with of guide bar 19, a fixedly connected with movable rod 21 between two connecting pieces 23, mounting panel 17 is run through to the upper end of movable rod 21, a one end lateral wall fixedly connected with stopper 22 that movable rod 21 is close to connecting piece 23, the part cover that movable rod 21 is located between stopper 22 and the mounting panel 17 is equipped with spring 20, it can effectually prevent that round platform 12 from excessively.
The outer side of the buffer mechanism is provided with a protection mechanism, the protection mechanism comprises a first cylinder 14 sleeved on the outer side of the buffer mechanism, a plurality of balls 15 are embedded in the outer side of the first cylinder 14, and the circular table 12 extends out of an opening at the lower end of the first cylinder 14 under the action of no external force.
The inclined plane of round platform 12 is along its circumference equidistance fixedly connected with a plurality of distance sensor 24, and the interior bottom fixedly connected with base 11 of box 1, the upper end of base 11 is seted up a plurality of recesses 10 that are used for placing the frame that correspond with round platform 12 position.
Be provided with on base 11 and be used for carrying out the fixing device who fixes to the frame in the recess 10, fixing device is including seting up two circular slots on the relative inner wall of recess 10, it is connected with second drum 27 all to rotate in two circular slots, second drum 27 female connection has second threaded rod 26, one end fixedly connected with splint 13 that second threaded rod 26 is located recess 10, splint 13's lateral wall veneer has the rubber pad, the surface of rubber pad is equipped with multichannel antiskid groove, multichannel antiskid groove equipartition is on the surface of rubber pad, the rubber pad on splint 13 can effectually protect the inner wall of frame.
The base 11 is further provided with a driving mechanism for driving the clamping plate 13 to clamp the base, the driving mechanism comprises a second driving motor 9 fixedly connected to the upper end of the base 11, a device cavity 28 communicated with the circular groove is formed in the side wall of the base 11, one end of the second cylinder 27 located in the device cavity 28 is fixedly connected with a first bevel gear 29, a strip-shaped groove is formed in the side wall of the base 11, an output shaft of the second driving motor 9 penetrates through the upper end of the base 11 and extends into the strip-shaped groove, the tail end of the output shaft of the second driving motor 9 is fixedly connected with a first chain wheel 34, a transmission shaft 31 extending into the circular groove is arranged on the inner wall of the device cavity 28 in a penetrating manner, one end of the transmission shaft 31 located in the device cavity 28 is fixedly connected with a second bevel gear 30 engaged with the first bevel gear 29, one end of the transmission shaft 31 located in the strip-shaped groove is fixedly connected with a second chain wheel 33, the second driving motor 9 rotates to drive the first chain wheel 34 to rotate, the first chain wheel 34 rotates to drive the plurality of second chain wheels 33 to rotate through the transmission chain 32, the second chain wheels 33 rotate to drive the second bevel gears 30 to rotate through the transmission shaft 31, the second bevel gears 30 rotate to drive the first bevel gears 29 to rotate, and then the second cylinders 27 are driven to rotate, the second cylinders 27 rotate to drive the second threaded rods 26 in threaded connection with the second cylinders to move, and then the machine base is clamped and fixed through the clamping plates 13.
The working principle of the invention is as follows: during detection, an operator places the base in the groove 10, then turns on a switch of the second driving motor 9, the second driving motor 9 rotates to drive the first chain wheel 34 to rotate, the first chain wheel 34 rotates to drive the second chain wheels 33 to rotate through the transmission chain 32, the second chain wheels 33 rotate to drive the second bevel gears 30 to rotate through the transmission shaft 31, the second bevel gears 30 rotate to drive the first bevel gears 29 to rotate, and then the second cylinders 27 are driven to rotate, the second cylinders 27 rotate to drive the second threaded rods 26 in threaded connection with the second cylinders to move, and then the base is clamped and fixed through the clamping plates 13.
After the fixation is finished, a switch of the first driving motor 5 is turned on, the first driving motor 5 rotates to drive the first threaded rod 7 to rotate, the first threaded rod 7 rotates to drive the sliding block 6 to move downwards, the sliding block 6 moves downwards to enable the circular truncated cone 12 to stretch into the machine base, the distance sensors 24 on the periphery of the circular truncated cone 12 measure the distance from the circular truncated cone 12 to the inner wall of the machine base, and if the difference of all groups of data is within a reasonable range, the coaxiality of the machine base and the organized motor iron core is qualified.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The coaxiality detection tool comprises a box body (1) and is characterized in that a fixed plate (2) arranged in the vertical direction is fixedly connected to the inner wall of the box body (1) in a relative mode, a sliding groove (8) is formed in one side, opposite to the fixed plate (2), of the fixed plate (8), a guide rod (3) arranged in the vertical direction is fixedly connected to the inner wall of the sliding groove (8), a first driving motor (5) is fixedly connected to the upper end of the box body (1), a first threaded rod (7) penetrating through the box body (1) and the fixed plate (2) in sequence is fixedly connected to the output shaft of the first driving motor (5), one end, located in the sliding groove (8), of the first threaded rod (7) is rotatably connected to the inner wall of the sliding groove (8), and a sliding block (6) is mounted on the first threaded rod (7) and the guide rod (3), be located slider (6) and first threaded rod (7) threaded connection on first threaded rod (7) are located slider (6) and guide arm (3) sliding connection on guide arm (3), two a fixedly connected with diaphragm (4) between slider (6), the lower extreme equidistance of diaphragm (4) is provided with a plurality of buffer gear, round platform (12) are installed to buffer gear's lower extreme, a plurality of distance sensor (24) of the inclined plane of round platform (12) along its circumference equidistance fixedly connected with, the interior bottom fixedly connected with base (11) of box (1), a plurality of recess (10) that are used for placing the frame that correspond with round platform (12) position are seted up to the upper end of base (11), be provided with on base (11) and be used for carrying out fixed fixing device to the frame in recess (10).
2. The coaxiality detection tool after the large motor iron core and the machine base are assembled according to claim 1, wherein the buffer mechanism comprises two fixing pieces (16) fixedly connected to the lower end of the transverse plate (4), the lower ends of the two fixing pieces (16) are fixedly connected with a mounting plate (17) together, the lower sides of the two ends of the mounting plate (17) are rotatably connected with guide cylinders (18), guide rods (19) are slidably connected with the guide cylinders (18), the lower end of each guide rod (19) is fixedly connected with two connecting pieces (23), a movable rod (21) is fixedly connected between the two connecting pieces (23), the upper end of each movable rod (21) penetrates through the mounting plate (17), one end side wall of each movable rod (21) close to the corresponding connecting piece (23) is fixedly connected with a limiting block (22), and a part, positioned between the limiting block (22) and the mounting plate (17), of each movable rod (21) is sleeved with a spring, and a protection mechanism is arranged on the outer side of the buffer mechanism.
3. The tool for detecting the coaxiality of the assembled large motor core and the assembled large motor base as claimed in claim 2, wherein the protection mechanism comprises a first cylinder (14) sleeved outside the buffer mechanism, a plurality of balls (15) are embedded outside the first cylinder (14), and the circular truncated cone (12) extends out of the lower opening of the first cylinder (14) under the action of no external force.
4. The tool for detecting the coaxiality of the assembled large motor core and the assembled large motor base as claimed in claim 1, wherein the fixing device comprises two circular grooves formed in opposite inner walls of the groove (10), a second cylinder (27) is rotatably connected in each of the two circular grooves, a second threaded rod (26) is connected in the second cylinder (27) in a threaded manner, a clamping plate (13) is fixedly connected to one end, located in the groove (10), of the second threaded rod (26), and a driving mechanism for driving the clamping plate (13) to clamp the base is further installed on the base (11).
5. The tool for detecting the coaxiality of the assembled large motor core and the assembled large motor base as claimed in claim 4, wherein the driving mechanism comprises a second driving motor (9) fixedly connected to the upper end of a base (11), a device cavity (28) communicated with a circular groove is formed in the side wall of the base (11), a first bevel gear (29) is fixedly connected to one end, located in the device cavity (28), of a second cylinder (27), a strip-shaped groove is formed in the side wall of the base (11), an output shaft of the second driving motor (9) penetrates through the upper end of the base (11) and extends into the strip-shaped groove, a first chain wheel (34) is fixedly connected to the tail end of an output shaft of the second driving motor (9), a transmission shaft (31) extending into the circular groove is arranged in the inner wall of the device cavity (28), and a second bevel gear (30) meshed with the first bevel gear (29) is fixedly connected to one end, located in the device cavity (28), of the transmission shaft (31) ) The transmission shaft (31) is located one end fixedly connected with a second chain wheel (33) in the strip-shaped groove, and the first chain wheel (34) is in synchronous transmission connection with the second chain wheel (33) through a transmission chain (32).
6. The tool for detecting the coaxiality of the assembled large motor core and the assembled machine base as claimed in claim 1, wherein a rubber pad is glued to the side wall of the clamping plate (13), a plurality of anti-slip grooves are formed in the surface of the rubber pad, and the anti-slip grooves are uniformly distributed in the surface of the rubber pad.
7. The tool for detecting the coaxiality of the assembled large motor core and the assembled large motor base as claimed in claim 1, wherein an anti-slip groove is formed in the lower end of the box body (1), and the box body (1) is fixedly connected with the ground through an expansion screw.
8. The tool for detecting the coaxiality of the assembled large motor core and the assembled large motor base as claimed in claim 1, wherein a pressure sensor (25) is mounted at the lower end of the circular truncated cone (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010210530.4A CN111207720A (en) | 2020-03-24 | 2020-03-24 | Coaxiality detection tool for assembled large motor iron core and assembled machine base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010210530.4A CN111207720A (en) | 2020-03-24 | 2020-03-24 | Coaxiality detection tool for assembled large motor iron core and assembled machine base |
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| Publication Number | Publication Date |
|---|---|
| CN111207720A true CN111207720A (en) | 2020-05-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010210530.4A Withdrawn CN111207720A (en) | 2020-03-24 | 2020-03-24 | Coaxiality detection tool for assembled large motor iron core and assembled machine base |
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| Country | Link |
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| CN (1) | CN111207720A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111678420A (en) * | 2020-06-22 | 2020-09-18 | 张宇 | System and method for rapidly detecting concentricity of gear shaft |
| CN113008548A (en) * | 2021-03-16 | 2021-06-22 | 厦门沪熠铭电子工业有限公司 | Method for detecting defects of sealing ring |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0261502A (en) * | 1988-08-29 | 1990-03-01 | Railway Technical Res Inst | Apparatus for measuring circumferential shape of wheel |
| JPH1114345A (en) * | 1997-06-25 | 1999-01-22 | Nec Kyushu Ltd | Central dislocation detecting device of coupling |
| CN208921036U (en) * | 2018-10-26 | 2019-05-31 | 台州市海鹰机电有限公司 | A kind of detection iron core concentricity device |
| CN110345853A (en) * | 2019-07-08 | 2019-10-18 | 扬州格莱特电动工具有限公司 | Coaxiality detecting tool after a kind of large-size machine iron core and base assembling |
-
2020
- 2020-03-24 CN CN202010210530.4A patent/CN111207720A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0261502A (en) * | 1988-08-29 | 1990-03-01 | Railway Technical Res Inst | Apparatus for measuring circumferential shape of wheel |
| JPH1114345A (en) * | 1997-06-25 | 1999-01-22 | Nec Kyushu Ltd | Central dislocation detecting device of coupling |
| CN208921036U (en) * | 2018-10-26 | 2019-05-31 | 台州市海鹰机电有限公司 | A kind of detection iron core concentricity device |
| CN110345853A (en) * | 2019-07-08 | 2019-10-18 | 扬州格莱特电动工具有限公司 | Coaxiality detecting tool after a kind of large-size machine iron core and base assembling |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111678420A (en) * | 2020-06-22 | 2020-09-18 | 张宇 | System and method for rapidly detecting concentricity of gear shaft |
| CN111678420B (en) * | 2020-06-22 | 2022-01-07 | 温岭市福荣齿轮有限公司 | System and method for rapidly detecting concentricity of gear shaft |
| CN113008548A (en) * | 2021-03-16 | 2021-06-22 | 厦门沪熠铭电子工业有限公司 | Method for detecting defects of sealing ring |
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Application publication date: 20200529 |
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| WW01 | Invention patent application withdrawn after publication |