CN109059727B - Detection device and detection method for diameter of alternating current motor gear - Google Patents
Detection device and detection method for diameter of alternating current motor gear Download PDFInfo
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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
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
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Abstract
The invention relates to the technical field of gear diameter detection devices and discloses a detection device and a detection method for the gear diameter of an alternating current motor. This a detection device and detection method for AC motor gear diameter, through setting up motor power, first pointer and connection rope, because motor power operation will make two book pieces roll up respectively and connect the rope, thereby realize two locating piece separations, later when two locating pieces fix a position the surface of gear, the figure that first pointer instructed on first digit scale tooth this moment is the radius of this gear, can reachd the diameter of this gear through calculating, this detection device not only measurement of efficiency is high, and gear diameter measuring error is little, the practicality that has increased this detection device.
Description
Technical Field
The invention relates to the technical field of gear diameter detection devices, in particular to a detection device and a detection method for the diameter of an alternating current motor gear.
Background
The gear is a wheel-shaped mechanical part which transfers torque by means of meshing of teeth, the gear can realize the functions of changing rotating speed and torque, changing movement direction, changing movement form and the like by being transmitted with other tooth-shaped mechanical parts, and due to the advantages of high transmission efficiency, accurate transmission ratio, large power range and the like, the gear mechanism is widely applied to industrial products, and the design and manufacturing level of the gear mechanism directly influences the quality of the industrial products.
The alternating current motor also needs to install gears of different diameters in the production and processing process, corresponding diameter size standards exist for the different gears, the running of the alternating current motor can be seriously affected if the diameter size of the gears in the alternating current motor deviates, two gear diameter detection modes are provided at present, the first mode adopts manual measurement, but the deviation is easy to exist in the manual measurement, the gear diameter detection efficiency is low, the second mode adopts a three-coordinate instrument to measure the diameter of the gears, and the three-coordinate instrument is expensive and is not convenient to popularize and use.
Disclosure of Invention
Technical problem to be solved
The invention provides a detection device and a detection method for the diameter of an alternating current motor gear, which have the advantages of small error, high efficiency and low cost, and solve the problems that the existing two methods for detecting the diameter of the gear are adopted, the first method adopts manual measurement, but the manual measurement is easy to have deviation, the detection efficiency of the diameter of the gear is low, and the second method adopts a three-coordinate instrument to measure the diameter of the gear, but the three-coordinate instrument is expensive and is not convenient to popularize and use.
(II) technical scheme
In order to achieve the purposes of improving the error, along with small error, high efficiency and low cost, the invention provides the following technical scheme: a detection device for alternating current motor gear diameter, includes the detection case, the inside fixed mounting of detection case has the horizontal pole, the inside fixed mounting of detection case has the long slab that is located the horizontal pole top, the tang has been seted up to the inside of long slab, the left bottom fixed mounting of detection case has the side case, the inside fixed mounting of side case has driving motor, the other end fixed hub of driving motor output shaft has the pivot, the top of pivot runs through the side case and extends to the top of side case and the outer fixed hub of surface has first driving gear, the inside activity of detection case has cup jointed the dwang, the both ends of dwang run through the detection case respectively and extend to the outside of detection case, the outer fixed hub of surface of dwang has located the first driven gear of detection case left side and side case top, the left side of first driven gear is connected with the surface mesh of first driving gear, the outer surface of the rotating rod is sleeved with a moving block in a threaded manner, the top end of the moving block penetrates through a long opening and extends to the upper portion of the long plate, the outer surface of the cross rod is movably sleeved with a moving block, the top portion of the moving block is fixedly connected with the bottom portion of the moving block, an opening is formed in the back face of the detection box, a circular shaft is movably sleeved in the opening, one end of the circular shaft penetrates through the opening and extends to the outer portion of the detection box, the other end of the circular shaft penetrates through the opening and extends to the inner portion of the detection box, positioning blocks are fixedly mounted on the detection box, the two positioning blocks are symmetrical about the center of the detection box, flexible springs located above and below the opening are fixedly connected to the opposite sides of the two positioning blocks, the other end of each flexible spring is fixedly connected with the inner wall of the detection box, and first guide wheels located above the first driven gear, the top of detection case both sides all fixed mounting have the second leading wheel that is located first leading wheel top, the middle part fixed mounting on detection case top has a case, the top fixed mounting of case has motor power, motor power's bottom passes the case and extends to the inside of case, the both sides of detection case inner chamber all fixed mounting have the side piece that is located motor power both sides, the inside activity of side piece has cup jointed the rotary rod, the bottom of rotary rod runs through the side piece and extends to the below of side piece and cup jointed with the inner wall activity of case, the top of rotary rod runs through the side piece and extends to the top of side piece, the external surface of rotary rod is fixed the second driven gear that is located the side piece below that has cup jointed, the external surface of rotary rod has cup jointed the book piece that is located second driven gear below, the other end of motor power output shaft has fixed the major axis that has cup jointed, the bottom end of the long shaft is movably sleeved with the inner wall of the top box, a second driving gear is fixedly sleeved on the outer surface of the long shaft, and the outer surface of the second driving gear is meshed and connected with the outer surface of a second driven gear.
Preferably, the right side fixedly connected with of locating piece is located the connection rope between the flexible spring, the quantity of connecting the rope is two, two connect the rope about detection case centrosymmetry, the other end of connecting the rope runs through detection case and top case in proper order and extends to the inside of top case, two connect the rope be located the inside one end of top case respectively with two back and the front fixed connection who rolls up the piece.
Preferably, a second digital scale is fixedly mounted on the left side of the moving block, the right end of the second digital scale penetrates through the detection box and extends to the right side of the detection box, a second indicator needle located below the second digital scale is fixedly mounted on the right side of the detection box, and the top of the second indicator needle is movably connected with the bottom of the second digital scale.
Preferably, the top fixed mounting of locating piece has first pointer, the top fixed mounting of detection case inner chamber has the first digital scale that is located first pointer top, the top of first pointer and the bottom swing joint of first digital scale.
Preferably, the method of operation comprises the steps of:
the first step is as follows: an operator starts the power motor, the power motor operates to enable the long shaft to drive the second driven gear to rotate through the second driving gear, at the moment, the two rolling blocks rotate and respectively roll up the connecting rope to enable the two positioning blocks to be separated, then the operator places the gear to be detected on the top of the long plate, and the two moving blocks are located in the inner ring of the gear;
the second step is that: an operator enables the power motor to control the long shaft to rotate reversely, so that the two rolling blocks release the connecting ropes respectively, and the two positioning blocks move oppositely due to the elastic force recovery action of the flexible spring, so that the outer surface of the gear is positioned;
the third step: an operator starts the driving motor, the operation of the driving motor enables the rotating shaft to drive the first driven gear to rotate through the first driving gear, the rotating rod rotates to drive the two moving blocks to move back to back, the moving blocks move to drive the second digital scale and the moving blocks to move, when the outer sides of the two moving blocks respectively abut against the inner wall of the gear, the driving motor is enabled to stop operating at the moment, then the number indicated by the top of the first indicating needle on the first digital scale is observed, the obtained number is multiplied by two, namely the diameter of the gear, the length of the two moving blocks located in the inner ring of the gear is known, the number indicated by the top of the second indicating needle on the second digital scale is observed at the moment, and the observed number is multiplied by two and the length of the two moving blocks is the diameter of the inner ring of the gear.
Preferably, the number of the moving blocks is two, threaded holes are formed in the two moving blocks, and threads in the two threaded holes are opposite.
Preferably, a round opening is formed in the motion block, and the cross sectional area of the side face of the round opening is equal to that of the side face of the cross rod.
(III) advantageous effects
Compared with the prior art, the invention provides a detection device and a detection method for the diameter of the gear of the alternating current motor, and the detection device and the detection method have the following beneficial effects:
1. this a detection device and detection method for AC motor gear diameter, through setting up motor power, first pointer and connection rope, because motor power operation will make two book pieces roll up respectively and connect the rope, thereby realize two locating piece separations, later when two locating pieces fix a position the surface of gear, the figure that this moment first pointer instructed on first digital scale is the radius of this gear, can reachd the diameter of this gear through calculating, this detection device not only measurement of efficiency is high, and gear diameter measuring error is little, the practicality that has increased this detection device.
2. This a detection device and detection method for alternating current motor gear diameter, through setting up driving motor, movable block and second digital scale, when driving motor moves, will make first driving gear drive the dwang through first driven gear and rotate, thereby make two movable blocks back to back of the body, when the outside of two movable blocks contradicts the gear inner wall respectively, can reach the distance that the movable block moved through second digital scale, can calculate the diameter of this gear inner circle under the known condition of movable block length, and is not only simple in operation, and with low costs, and convenient to popularize and use, therefore, the practicality of this detection device has been improved.
3. This a detection device and detection method for alternating current motor gear diameter, through setting up connection rope and book piece, because two are connected the rope and are inequality in the position that the surface of two book pieces was installed respectively, thereby realized when motor power moves, will make two book pieces roll up respectively and connect the rope, accomplish two locating piece back of the body motion this moment, make operating personnel can put into the gear that needs the detection, later detect carrying out the gear diameter, replaced the mode of artifical detection, thereby the practicality of this detection device has been increased.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the operation of measuring the diameter of a gear according to the present invention;
FIG. 3 is a schematic view of a rear view structure of the present invention;
FIG. 4 is a schematic top view of the long plate of the present invention;
fig. 5 is a schematic view of a part of the enlarged structure of the present invention at a.
In the figure: 1. a detection box; 2. a cross bar; 3. a long plate; 4. a long opening; 5. a side box; 6. a drive motor; 7. a rotating shaft; 8. a first drive gear; 9. rotating the rod; 10. a first driven gear; 11. a moving block; 12. a motion block; 13. a port; 14. a circular shaft; 15. positioning blocks; 16. a flexible spring; 17. a first guide wheel; 18. a second guide wheel; 19. a top box; 20. a power motor; 21. a side block; 22. rotating the rod; 23. a long axis; 24. a second driven gear; 25. rolling blocks; 26. a second driving gear; 27. connecting ropes; 28. a first digital scale; 29. a first pointer; 30. a second digital scale; 31. and a second pointer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a device for detecting the diameter of an ac motor gear, includes a detection box 1, a cross bar 2 is fixedly installed inside the detection box 1, the outer surface of the cross bar 2 is smooth, so that a motion block 12 can be more smoothly moved during the motion process, a long plate 3 positioned above the cross bar 2 is fixedly installed inside the detection box 1, a long opening 4 is opened inside the long plate 3, a side box 5 is fixedly installed at the bottom of the left side of the detection box 1, a driving motor 6 is fixedly installed inside the side box 5, the driving motor 6 is a conventional device, the model of the driving motor 6 is Y90L-2, a rotating shaft 7 is fixedly sleeved at the other end of an output shaft of the driving motor 6, the top end of the rotating shaft 7 penetrates through the side box 5 and extends to the upper side of the side box 5, a first driving gear 8 is fixedly sleeved on the outer surface, a rotating rod 9 is movably sleeved, the outer surface of the rotating rod 9 is provided with threads positioned inside the detection box 1, two ends of the rotating rod 9 respectively penetrate through the detection box 1 and extend to the outside of the detection box 1, the outer surface of the rotating rod 9 is fixedly sleeved with a first driven gear 10 positioned above the left side of the detection box 1 and the side box 5, the left side of the first driven gear 10 is meshed with the outer surface of the first driving gear 8, the outer surface of the rotating rod 9 is sleeved with moving blocks 11, threaded holes are formed in the two moving blocks 11, the thread directions in the threaded holes are opposite, so that when the rotating rod 9 rotates, the two moving blocks 11 can move back and forth, the length of one end of each moving block 11 positioned above the long opening 4 is known, when the distance moved by the moving blocks 11 and the length of the moving blocks 11 are the radius of the inner ring of the gear, and then the distance multiplied by two is the diameter of the inner ring of the, a second digital graduated scale 30 is fixedly mounted on the left side of the moving block 11, graduated scales are arranged on the front sides of the first digital graduated scale 28 and the second digital graduated scale 30, the displayed number unit of the graduated scales is centimeter, the right end of the second digital graduated scale 30 penetrates through the detection box 1 and extends to the right side of the detection box 1, a second indicating needle 31 positioned below the second digital graduated scale 30 is fixedly mounted on the right side of the detection box 1, the top of the second indicating needle 31 is movably connected with the bottom of the second digital graduated scale 30, the top end of the moving block 11 penetrates through the long opening 4 and extends to the upper side of the long plate 3, the outer surface of the cross rod 2 is movably sleeved with a moving block 12, the top of the moving block 12 is fixedly connected with the bottom of the moving block 11, a through opening 13 is formed in the back of the detection box 1, a round shaft 14 is movably sleeved inside the through the round shaft 14 and matched with the through opening 13, so that the positioning block 15 is more stable in the, one end of a circular shaft 14 penetrates through the through hole 13 and extends to the outside of the detection box 1, the other end of the circular shaft 14 penetrates through the through hole 13 and extends to the inside of the detection box 1, a positioning block 15 is fixedly installed, a first indicating needle 29 is fixedly installed at the top of the positioning block 15, the number indicated by the first indicating needle 29 initially is the length of the positioning block 15, when the outer side of the positioning block 15 positions the outer surface of the gear, the number corresponding to the first indicating needle 29 at this time is the radius of the gear, then the number is multiplied by the second number to be the diameter of the gear, a first digital scale 28 positioned above the first indicating needle 29 is fixedly installed at the top of the inner cavity of the detection box 1, the top of the first indicating needle 29 is movably connected with the bottom of the first digital scale 28, the right side of the positioning block 15 is fixedly connected with connecting ropes 27 positioned between the flexible springs 16, and the number of the connecting ropes 27 is, the two connecting ropes 27 are centrosymmetric about the detection box 1, the other ends of the connecting ropes 27 sequentially penetrate through the detection box 1 and the top box 19 and extend to the inside of the top box 19, one ends of the two connecting ropes 27, which are positioned in the top box 19, are fixedly connected with the back and the front of the two rolling blocks 25 respectively, the number of the positioning blocks 15 is two, the two positioning blocks 15 are centrosymmetric about the detection box 1, one sides of the two positioning blocks 15, which are opposite to each other, are fixedly connected with flexible springs 16, which are positioned above and below the through openings 13, the other ends of the flexible springs 16 are fixedly connected with the inner wall of the detection box 1, first guide wheels 17, which are positioned above the first driven gear 10, are fixedly installed on both sides of the detection box 1, the first guide wheels 17 and the second guide wheels 18 are used for guiding the connecting ropes 27, so that the rolling blocks 25 are convenient to roll up and release the connecting ropes 27, second guide wheels 18, which are positioned above the first guide wheels 17, are, a top box 19 is fixedly installed in the middle of the top end of the detection box 1, a power motor 20 is fixedly installed at the top of the top box 19, the power motor 20 is an existing device, the model of the power motor 20 is Y90S-2, the bottom end of the power motor 20 penetrates through the top box 19 and extends into the top box 19, side blocks 21 located at two sides of the power motor 20 are fixedly installed at two sides of an inner cavity of the detection box 1, a rotating rod 22 is movably sleeved inside the side blocks 21, the bottom end of the rotating rod 22 penetrates through the side blocks 21 and extends to the lower portion of the side blocks 21 and is movably sleeved with the inner wall of the top box 19, the top end of the rotating rod 22 penetrates through the side blocks 21 and extends to the upper portion of the side blocks 21, a second driven gear 24 located below the side blocks 21 is fixedly sleeved on the outer surface of the rotating rod 22, a rolling block 25 located below the second driven gear 24 is fixedly sleeved on the outer surface of the rotating rod, the bottom end of the long shaft 23 is movably sleeved with the inner wall of the top box 19, a second driving gear 26 is fixedly sleeved on the outer surface of the long shaft 23, and the outer surface of the second driving gear 26 is meshed and connected with the outer surface of the second driven gear 24.
A method of operation comprising the steps of:
the first step is as follows: an operator starts the power motor 20, the power motor 20 operates to enable the long shaft 23 to drive the second driven gear 24 to rotate through the second driving gear 26, at the moment, the two rolling blocks 25 rotate and respectively roll up the connecting ropes 27 to enable the two positioning blocks 15 to be separated, then the operator places a gear to be detected on the top of the long plate 3, and the two moving blocks 11 are located in the inner ring of the gear;
the second step is that: an operator enables the power motor 20 to control the long shaft 23 to rotate reversely, so that the two rolling blocks 25 release the connecting ropes 27 respectively, and at the moment, due to the elastic force recovery action of the flexible spring 16, the two positioning blocks 15 move oppositely, so that the outer surface of the gear is positioned;
the third step: an operator starts the driving motor 6, the operation of the driving motor 6 enables the rotating shaft 7 to drive the first driven gear 10 to rotate through the first driving gear 8, at the moment, the rotating rod 9 rotates to drive the two moving blocks 11 to move back to back, the number of the moving blocks 11 is two, threaded holes are formed in the two moving blocks 11, threads in the two threaded holes are opposite, the moving blocks 11 move to drive the second digital scale 30 and the moving block 12 to move, round openings are formed in the moving block 12, the cross sectional area of the side surface of each round opening is equal to that of the side surface of the cross bar 2, when the outer sides of the two moving blocks 11 respectively abut against the inner wall of the gear, the driving motor 6 is stopped to operate at the moment, then the number indicated on the first digital scale 28 by the top of the first indicating needle 29 is observed, the number obtained by observing is multiplied by two, and the diameter of, the length of the two moving blocks 11 in the gear inner ring is known, and at this time, the number indicated on the second digital scale 30 by the top of the second indicator 31 is observed, and the observed number is multiplied by two, and the length of the two moving blocks 11 is the diameter of the gear inner ring.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A detection device for alternating current motor gear diameter, includes detection case (1), its characterized in that: the inside fixed mounting of detection case (1) has horizontal pole (2), the inside fixed mounting of detection case (1) has long slab (3) that is located horizontal pole (2) top, long mouthful (4) have been seted up to the inside of long slab (3), the left bottom fixed mounting of detection case (1) has side case (5), the inside fixed mounting of side case (5) has driving motor (6), the other end of driving motor (6) output shaft is fixed to have cup jointed pivot (7), the top of pivot (7) is run through side case (5) and is extended to the top and the outer fixed surface of side case (5) and have cup jointed first driving gear (8), the inside activity of detection case (1) has cup jointed dwang (9), the both ends of dwang (9) are run through detection case (1) respectively and are extended to the outside of detection case (1), the outer fixed surface of dwang (9) has cup jointed and is located the left side of detection case (1) and the outside of side case (5) top The detection device comprises a first driven gear (10), the left side of the first driven gear (10) is meshed with the outer surface of a first driving gear (8) and connected with the outer surface of a rotating rod (9), a moving block (11) is sleeved on the outer surface of the rotating rod (9) in a threaded manner, the top end of the moving block (11) penetrates through a long opening (4) and extends to the upper side of a long plate (3), a moving block (12) is movably sleeved on the outer surface of a cross rod (2), the top of the moving block (12) is fixedly connected with the bottom of the moving block (11), a through opening (13) is formed in the back of the detection box (1), a round shaft (14) is movably sleeved inside the through opening (13), one end of the round shaft (14) penetrates through the through opening (13) and extends to the outer portion of the detection box (1), and the other end of the round shaft (14) penetrates through the through opening (13) and extends to the, the number of the positioning blocks (15) is two, the positioning blocks (15) are centrosymmetric about the detection box (1), two flexible springs (16) are fixedly connected to one sides of the two opposite sides of the positioning blocks (15) and located above the through opening (13) and below the through opening, the other ends of the flexible springs (16) are fixedly connected with the inner wall of the detection box (1), first guide wheels (17) located above the first driven gear (10) are fixedly mounted on the two sides of the detection box (1), second guide wheels (18) located above the first guide wheels (17) are fixedly mounted on the tops of the two sides of the detection box (1), a top box (19) is fixedly mounted in the middle of the top end of the detection box (1), a power motor (20) is fixedly mounted on the top of the top box (19), and the bottom end of the power motor (20) penetrates through the top box (19) and extends to the inside of the top box (19), both sides of an inner cavity of the detection box (1) are fixedly provided with side blocks (21) positioned on both sides of a power motor (20), a rotary rod (22) is movably sleeved in the side block (21), the bottom end of the rotary rod (22) penetrates through the side blocks (21), extends to the lower part of the side blocks (21) and is movably sleeved with the inner wall of the top box (19), the top end of the rotary rod (22) penetrates through the side blocks (21) and extends to the upper part of the side blocks (21), a second driven gear (24) positioned below the side blocks (21) is fixedly sleeved on the outer surface of the rotary rod (22), a rolling block (25) positioned below the second driven gear (24) is fixedly sleeved on the outer surface of the rotary rod (22), the other end of an output shaft of the power motor (20) is fixedly sleeved with a long shaft (23), the bottom end of the long shaft (23) is movably sleeved with the inner wall of the top box (19), a second driving gear (26) is fixedly sleeved on the outer surface of the long shaft (23), and the outer surface of the second driving gear (26) is meshed with the outer surface of a second driven gear (24);
the right side of the positioning block (15) is fixedly connected with two connecting ropes (27) positioned between the flexible springs (16), the number of the connecting ropes (27) is two, the two connecting ropes (27) are centrosymmetric about the detection box (1), the other ends of the connecting ropes (27) sequentially penetrate through the detection box (1) and the top box (19) and extend into the top box (19), and one ends of the two connecting ropes (27) positioned in the top box (19) are fixedly connected with the back and the front of the two rolling blocks (25) respectively;
a second digital graduated scale (30) is fixedly mounted on the left side of the moving block (11), the right end of the second digital graduated scale (30) penetrates through the detection box (1) and extends to the right side of the detection box (1), a second pointer (31) located below the second digital graduated scale (30) is fixedly mounted on the right side of the detection box (1), and the top of the second pointer (31) is movably connected with the bottom of the second digital graduated scale (30);
the top fixed mounting of locating piece (15) has first pointer (29), the top fixed mounting of detection case (1) inner chamber has first digit scale (28) that are located first pointer (29) top, the top of first pointer (29) and the bottom swing joint of first digit scale (28).
2. The detection method for the detection device of the diameter of the alternating current motor gear according to claim 1, characterized by comprising the following steps:
the first step is as follows: an operator starts the power motor (20), the long shaft (23) drives the second driven gear (24) to rotate through the second driving gear (26) when the power motor (20) operates, at the moment, the two rolling blocks (25) rotate and respectively roll up the connecting ropes (27), so that the two positioning blocks (15) are separated, then the operator places the gear to be detected at the top of the long plate (3), and the two moving blocks (11) are positioned in the inner ring of the gear;
the second step is that: an operator enables the power motor (20) to control the long shaft (23) to rotate reversely, so that the two rolling blocks (25) release the connecting ropes (27), and at the moment, due to the elastic force recovery action of the flexible spring (16), the two positioning blocks (15) move oppositely, so that the outer surface of the gear is positioned;
the third step: an operator starts the driving motor (6), the operation of the driving motor (6) enables the rotating shaft (7) to drive the first driven gear (10) to rotate through the first driving gear (8), at the moment, the rotating rod (9) rotates to drive the two moving blocks (11) to move back to back, the moving blocks (11) move to drive the second digital scale (30) and the moving blocks (12) to move, when the outer sides of the two moving blocks (11) respectively abut against the inner wall of the gear, the driving motor (6) stops operating at the moment, then the number, indicated by the top of the first pointer (29), on the first digital scale (28) is observed, the number obtained by observation is multiplied by two, namely the diameter of the gear, the length, located in the inner ring of the gear, of the two moving blocks (11) is known, at the moment, the number, indicated by the top of the second pointer (31), on the second digital scale (30) is observed, the observed number is multiplied by two plus the length of the two moving blocks (11) is the diameter of the gear inner ring.
3. A method of testing as claimed in claim 2, wherein: the number of the moving blocks (11) is two, threaded holes are formed in the two moving blocks (11), and the threads in the two threaded holes are opposite.
4. A method of testing as claimed in claim 2, wherein: the inside of the motion block (12) is provided with a round mouth, and the cross sectional area of the side surface of the round mouth is equal to that of the side surface of the cross rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811128097.9A CN109059727B (en) | 2018-09-27 | 2018-09-27 | Detection device and detection method for diameter of alternating current motor gear |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811128097.9A CN109059727B (en) | 2018-09-27 | 2018-09-27 | Detection device and detection method for diameter of alternating current motor gear |
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| CN109059727A CN109059727A (en) | 2018-12-21 |
| CN109059727B true CN109059727B (en) | 2020-09-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2140512Y (en) * | 1992-11-10 | 1993-08-18 | 张中坚 | Multipurpose active measuring instrument |
| JPH09196603A (en) * | 1996-01-23 | 1997-07-31 | Naruko Denki Seisakusho:Kk | Measuring apparatus |
| EP0877224B1 (en) * | 1997-05-07 | 2004-01-07 | Mitutoyo Corporation | Method and instrument with probe for measuring inner or outer dimension of an object |
| CN202018255U (en) * | 2011-03-25 | 2011-10-26 | 于婧 | Special slide caliper |
| CN104374243A (en) * | 2014-11-11 | 2015-02-25 | 常州煜尔锐精密工具有限公司 | Novel vernier caliper |
| CN204694193U (en) * | 2015-06-12 | 2015-10-07 | 鞍钢集团矿业公司 | For the specific purpose tool that water conservancy cyclone sand settling mouth is measured |
| CN106052525A (en) * | 2016-06-27 | 2016-10-26 | 河南平高电气股份有限公司 | Inner diameter, outer diameter, and inner and outer diameter integrated detection method of spring contact finger |
| CN106323128B (en) * | 2016-08-19 | 2018-10-23 | 泉州台商投资区五季网络有限公司 | A kind of efficient measuring device of interior mosaic tiles |
| CN206399332U (en) * | 2016-12-21 | 2017-08-11 | 宁波世纪东港机械有限公司 | A kind of auto absorber piston cubing |
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