CN108468785A - A kind of detachable gear wheel and its manufacturing method and its calibration assemblies and modification method - Google Patents
A kind of detachable gear wheel and its manufacturing method and its calibration assemblies and modification method Download PDFInfo
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- CN108468785A CN108468785A CN201810289916.1A CN201810289916A CN108468785A CN 108468785 A CN108468785 A CN 108468785A CN 201810289916 A CN201810289916 A CN 201810289916A CN 108468785 A CN108468785 A CN 108468785A
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- calibration
- gear
- contact
- detachable
- gear wheel
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- 230000000712 assembly Effects 0.000 title claims abstract description 18
- 238000000429 assembly Methods 0.000 title claims abstract description 18
- 238000002715 modification method Methods 0.000 title claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 40
- 230000003321 amplification Effects 0.000 claims abstract description 30
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 8
- 238000007493 shaping process Methods 0.000 claims abstract description 8
- 230000008569 process Effects 0.000 claims abstract description 6
- 238000009713 electroplating Methods 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000006872 improvement Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000004992 fission Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/17—Toothed wheels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/12—Toothed members; Worms with body or rim assembled out of detachable parts
-
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Gears, Cams (AREA)
Abstract
A kind of detachable gear wheel of the present invention, including gear pedestal, gear unit and fixing bolt;Calibration assemblies, including calibration pedestal, amplification lever, calibration contact, signal contact and tension spring;The manufacturing method of the present invention includes that machine-shaping is threaded the gear pedestal in hole and carries mounting hole connection sheet, machine-shaping carries the overall gear of adjustment hole and calibration ring, calibration ring is polished, electroplating processes, makes its inner surface rounding and ten steps such as smooth;Modification method includes pass hull closure, and detachable gear wheel is made to stop operating, and calibration assemblies fixed placement is had to the side of calibration ring in detachable gear wheel, keeps the circular top of calibration contact concentric with one of calibration ring and is close to multiple steps such as setting.Detachable gear wheel, which has, adapts to little deviation, and the advantages of energy adjusting deviation;Calibration assemblies can specially calibrate detachable gear wheel;Manufacturing method have it is easy to process, assemble accurate advantage;Modification method has the advantages that efficient, easy, accurate.
Description
Technical field
The present invention relates to the running parts of two-point press, especially gear parts.
Background technology
Present most of multipoint pressure machine transmission gear structures are non-adjustable, and deflecting or wearing will occur in gear for a long time,
Cause two script meshed gears to misplace, cannot accurately be engaged between tooth and tooth.Typically now lean on the tune of integral device
Section ensures precision, i.e., the gear to misplace occurs by two and dismantle to remove, then misplace to gear shaft or gear keyway again
Processing, finally installation go back to make its engagement.But integrally-regulated troublesome in poeration, heavy workload, degree of regulation are low;And it is long-term
Go down to cause stress that machine accumulated error is increasing, and accuracy error is also increasing.
Therefore, how existing press gear structure is improved, so that it is overcome the problems, such as above-mentioned, is ability
A field technique personnel problem urgently to be resolved hurrily.
Invention content
It is an object of the present invention to provide one kind adapting to little deviation, and the detachable gear wheel of energy adjusting deviation.
It is yet a further object of the present invention to provide a kind of easy to process, the manufacturer of accurate detachable gear wheel is assembled
Method.
It is another object of the present invention to provide a kind of dedicated for calibrating the calibration assemblies of the detachable gear wheel.
The present invention's further an object is that provide a kind of modification method of efficient, easy, accurate detachable gear wheel.
To achieve the above objectives, the technical solution adopted by the present invention is:A kind of detachable gear wheel, it is characterised in that:Including
Gear pedestal, gear unit and fixing bolt offer axis hole on the gear pedestal, and each gear unit corresponds to one
Tooth, multiple gear units are distributed uniformly and circumferentially on the gear pedestal, and are had between the gear unit
Gap is adjusted, the threaded hole coordinated with the fixing bolt is offered on the gear pedestal, is offered on the gear unit
Adjustment hole, the adjustment hole are slightly larger than the fixing bolt, and the fixing bolt passes through the adjustment hole and is threadedly connected to institute
It states in threaded hole, the gear unit is fixed on the gear pedestal;The gear unit root is provided with calibration ring, more
A calibration ring is distributed with one heart.
As an improvement, the detachable gear wheel further includes connection sheet, the connection sheet is annular shape, is opened in the connection sheet
Equipped with mounting hole corresponding with the adjustment hole, the mounting hole and the fixing bolt are fitted close, and the fixing bolt is worn
The mounting hole and the adjustment hole are crossed, by the one whole circle gear unit of connection sheet connection.
Preferably, offer three radially arranged adjustment holes on the gear unit, the threaded hole and described
Mounting hole correspondence opens up.
A kind of manufacturing method of detachable gear wheel, it is characterised in that:Include the following steps:
Step 1:Machine-shaping is threaded the gear pedestal in hole and carries mounting hole connection sheet, and machine-shaping is with tune
The overall gear of knothole and calibration ring;
Step 2:Calibration ring is polished, electroplating processes, makes its inner surface rounding and smooth;
Step 3:Overall gear is uniformly cut into multiple gear units;
Step 4:Each gear unit is reached into gear requirement through row heat treatment;
Step 5:Fix an outer diameter and the identical annulus of calibration ring internal diameter with one heart on gear pedestal;
Step 6:The adjustment hole of gear unit is directed to the threaded hole of gear pedestal, and by the calibration of each gear unit
Ring is close to annulus;
Step 7:Placing sheets are pre-fixed in adjusting gap between each gear unit;
Step 8:Connection sheet is covered in above gear unit, and the mounting hole of connection sheet is aligned to the tune of gear unit
Knothole;
Step 9:Fixing bolt is sequentially passed through into mounting hole, adjustment hole and threaded hole, installation is fixed;
Step 10:Annulus and thin slice are taken out, is completed the production.
A kind of calibration assemblies of detachable gear wheel, it is characterised in that:Including calibration pedestal, amplification lever, calibration contact, letter
Number contact and tension spring, the calibration pedestal fixed setting, the amplification lever rotation are set on the calibration pedestal, the school
Quasi- contact is fixedly installed on the amplification lever front end, and the signal contact is set to the amplification lever rear end, and the letter
With a distance from the run-on point of number contact from the amplification lever much larger than the calibration contact from the amplification lever rotation point away from
From the tension spring is set between the calibration pedestal and the amplification lever, for forcing the amplification lever front end outside
Deflection;In annular shape at the top of the calibration contact, and the outer diameter at the top of the annular shape is equal to the calibration ring internal diameter, the annular shape
The arc length at top is less than the arc length of the calibration ring and more than the width for adjusting gap, and the tension spring forces the calibration to be touched
Head contacts the calibration ring always, and the signal contact passes the motor message of the amplification lever;It is described split type
When gear normal rotation, the calibration contact is close to all calibration rings and remains static, and is deviated when there is the gear unit
When, which is amplified by the amplification lever, and is passed by the signal contact by the calibration contact bounce.
As an improvement, the calibration contact is provided at both ends with circular arc bent angle.Between the setting of circular arc bent angle is convenient for more overregulating
Gap, the rounding off between gear unit.
As an implementation, it is provided with jingle bell above the signal contact.
As another embodiment, contact-making switch, the contact-making switch connection letter are provided with above the signal contact
Number circuit.
A kind of modification method of detachable gear wheel, it is characterised in that:Include the following steps:
Step A:Pass hull closure makes detachable gear wheel stop operating;
Step B:The side that calibration assemblies fixed placement is had to calibration ring in detachable gear wheel, makes the annulus of calibration contact
Shape top and one of calibration ring are concentric and are close to be arranged;
Step C:Detachable gear wheel is stirred slowly with slow with one's hands, so that calibration contact is passed through the gear unit, and record when passing through
Calibrate the gear unit of contact bounce;
Step D:There to be the fixing bolt of the gear unit of record to unscrew, then adjust gear unit position, is pre-fixed;
Step E:Continuation slowly rotates detachable gear wheel, until calibration contact can be smoothly through all gear units, finally
Fixing bolt is all tightened into fixation.
As an improvement, before above-mentioned steps B, selectable progress step F:Whole fixing bolts are unscrewed, then will be whole
Gear unit along gear pedestal circumferencial direction into line displacement, fixing bolt is finally tightened into fixation.
Compared with prior art, the present invention has the following advantages:
1, the interval setting of gear unit will not impact other teeth when single gear unit generates deviation or wears
Wheel unit can't influence the operating accuracy of entire detachable gear wheel that is, when the tooth of small number is deviated or broken down.
It 2, can be out of service in equipment when gear unit deviates the offset of excessive or gear unit, damages excessive
When, using the calibration assemblies of the present invention, modification method through the invention is modified a single gear unit, or replaces
Associated gear unit, without to replace entire detachable gear wheel.
3, when entire detachable gear wheel and the gear being meshed misplace, modification method that can also be through the invention
(i.e. step F) carries out overall offset amendment, ensures the engagement of two gears.
4, in addition, the calibration assemblies of the present invention can also be permanently disposed on detachable gear wheel, it is measured in real time fission
The offset situation of formula gear and gear unit is amplified the offset situation by amplifying lever, then by signal contact real-time Transmission
Jitter, and signal contact can be arranged sensitivity (such as setting jingle bell or touch switch at a distance from signal contact come
Control sensitivity), just have signal outflow for determining that detachable gear wheel and gear unit are displaced to much degree.
Description of the drawings
Fig. 1 is that the dimensional structure diagram of detachable gear wheel middle according to a preferred embodiment of the present invention (is not shown solid
Determine bolt);
Fig. 2 be according to a preferred embodiment of the present invention in detachable gear wheel half sectional view (including fixing bolt
Installation site enlarged diagram);
Fig. 3 be according to a preferred embodiment of the present invention in the explosive view of detachable gear wheel (display portion is fixed
Bolt);
Fig. 4 is the dimensional structure diagram of middle gear unit according to a preferred embodiment of the present invention;
Fig. 5 is the dimensional structure diagram of lieutenant colonel's prospective component according to a preferred embodiment of the present invention;
Fig. 6 is vertical when detachable gear wheel middle according to a preferred embodiment of the present invention is calibrated using calibration assemblies
Body structural schematic diagram;
Fig. 7 is the explosive view of Fig. 6 middle according to a preferred embodiment of the present invention;
Fig. 8 is the half sectional view (display jingle bell) of Fig. 6 middle according to a preferred embodiment of the present invention.
Specific implementation mode
It is described below for disclosing the present invention so that those skilled in the art can realize the present invention.It is excellent in being described below
Embodiment is selected to be only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.
As shown in Fig. 1~8, the detachable gear wheel 100 of of the invention preferred embodiment includes gear pedestal 1, tooth
Wheel unit 2, fixing bolt 3 and connection sheet 4 offer axis hole 11 on gear pedestal 1, and each gear unit 2 corresponds to a tooth, more
A gear unit 2 is distributed uniformly and circumferentially on gear pedestal 1, and is had between gear unit 2 and adjusted gap 21, gear
The threaded hole 12 coordinated with fixing bolt 3 is offered on pedestal 1, adjustment hole 22 is offered on gear unit 2, and adjustment hole 22 is bigger
In fixing bolt 3, fixing bolt 3 passes through adjustment hole 22 and is threadedly connected in threaded hole 12, and gear unit 2 is fixed on gear
On pedestal 1;2 root of gear unit is provided with calibration ring 23, and multiple calibration rings 23 are distributed with one heart;Connection sheet 4 is annular shape, connection
It offers on piece 4 and is fitted close with 22 corresponding mounting hole 41 of adjustment hole, mounting hole 41 and fixing bolt 3, fixing bolt 3 passes through
Connection sheet 4 is connected a whole circle gear unit 2 by mounting hole 41 and adjustment hole 22.In the present embodiment, offered on gear unit 2
Three radially arranged adjustment holes 22, threaded hole 12 and the correspondence of mounting hole 41 open up.
The calibration assemblies 200 for detecting detachable gear wheel of the preferred embodiment of the present invention, including calibration base
Seat 5, amplification lever 6, calibration contact 7, signal contact 8 and tension spring 9, calibration pedestal 5 are fixedly installed, the amplification rotation setting of lever 6
In on calibration pedestal 5, calibration contact 7 is fixedly installed on 6 front end of amplification lever, and signal contact 8 is set to 6 rear end of amplification lever,
And it is drawn with a distance from run-on point of the signal contact 8 from amplification lever 6 much larger than contact 7 is calibrated with a distance from amplification 6 run-on point of lever
Spring 9 is set between calibration pedestal 5 and amplification lever 6, for forcing 6 front end of amplification lever to be deflected outward;Calibrate 7 top of contact
In annular shape, and the outer diameter at the top of the annular shape is equal to 23 internal diameter of calibration ring, and the arc length at the top of the annular shape is less than calibration ring 23
Arc length and more than adjust gap 21 width, tension spring 9 force calibration contact 7 contact calibration ring 23 always, signal contact 8 will be put
The motor message of big lever 6 passes;When 100 normal rotation of detachable gear wheel, calibration contact 7 is close to all calibration rings 23 simultaneously
It remains static, when there is the offset of gear unit 2, calibration contact 7 is beated, and is amplified the bounce by amplifying lever 6, and lead to
Signal contact 8 is crossed to pass.Wherein, calibration contact 7 is provided at both ends with circular arc bent angle 71.
As an implementation, 8 top of signal contact is provided with jingle bell 9.
As another embodiment, 8 top of signal contact is provided with contact-making switch (not shown), and contact-making switch connects
Connect signal circuit.
The manufacturing method of the detachable gear wheel of the present embodiment, includes the following steps:
Step 1:Machine-shaping is threaded the gear pedestal in hole and carries mounting hole connection sheet, and machine-shaping is with tune
The overall gear of knothole and calibration ring;
Step 2:Calibration ring is polished, electroplating processes, makes its inner surface rounding and smooth;
Step 3:Overall gear is uniformly cut into multiple gear units;
Step 4:Each gear unit is reached into gear requirement through row heat treatment;
Step 5:Fix an outer diameter and the identical annulus of calibration ring internal diameter with one heart on gear pedestal;
Step 6:The adjustment hole of gear unit is directed to the threaded hole of gear pedestal, and by the calibration of each gear unit
Ring is close to annulus;
Step 7:Placing sheets are pre-fixed in adjusting gap between each gear unit;
Step 8:Connection sheet is covered in above gear unit, and the mounting hole of connection sheet is aligned to the tune of gear unit
Knothole;
Step 9:Fixing bolt is sequentially passed through into mounting hole, adjustment hole and threaded hole, installation is fixed;
Step 10:Annulus and thin slice are taken out, is completed the production.
The modification method of the detachable gear wheel of the present embodiment, includes the following steps:
Step A:Pass hull closure makes detachable gear wheel stop operating;
Step B:The side that calibration assemblies fixed placement is had to calibration ring in detachable gear wheel, makes the annulus of calibration contact
Shape top and one of calibration ring are concentric and are close to be arranged;
Step C:Detachable gear wheel is stirred slowly with slow with one's hands, so that calibration contact is passed through gear unit, and record when passing through and calibrate
The gear unit of contact bounce;
Step D:There to be the fixing bolt of the gear unit of record to unscrew, then adjust gear unit position, is pre-fixed;
Step E:Continuation slowly rotates detachable gear wheel, until calibration contact can be smoothly through all gear units, finally
Fixing bolt is all tightened into fixation.
Before above-mentioned steps B, selectable progress step F:Whole fixing bolts are unscrewed, then by whole gear unit edges
Fixing bolt is finally tightened fixation by the circumferencial direction of gear pedestal into line displacement.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention
Principle, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these variation and
Improvement is both fallen in the range of claimed invention.The present invention claims protection domain by appended claims and its
Equivalent defines.
Claims (10)
1. a kind of detachable gear wheel, it is characterised in that:Including gear pedestal, gear unit and fixing bolt, the gear pedestal
On offer axis hole, each gear unit corresponds to a tooth, multiple gear units be distributed uniformly and circumferentially in
Have on the gear pedestal, and between the gear unit and adjust gap, is offered and the fixation on the gear pedestal
The threaded hole of bolt cooperation offers adjustment hole on the gear unit, and the adjustment hole is slightly larger than the fixing bolt, described
Fixing bolt passes through the adjustment hole and is threadedly connected in the threaded hole, and the gear unit is fixed on the gear base
On seat;The gear unit root is provided with calibration ring, and multiple calibration rings are distributed with one heart.
2. a kind of detachable gear wheel according to claim 1, it is characterised in that:The detachable gear wheel further includes connection
Piece, the connection sheet are annular shape, offer mounting hole corresponding with the adjustment hole in the connection sheet, the mounting hole and
The fixing bolt is fitted close, and the fixing bolt passes through the mounting hole and the adjustment hole, and the connection sheet is connected
The one whole circle gear unit.
3. a kind of detachable gear wheel according to claim 2, it is characterised in that:It is offered radially on the gear unit
Three adjustment holes of arrangement, the threaded hole and mounting hole correspondence open up.
4. a kind of manufacturing method of detachable gear wheel, it is characterised in that:Include the following steps:
Step 1:Machine-shaping is threaded the gear pedestal in hole and carries mounting hole connection sheet, and machine-shaping carries adjustment hole
With the overall gear of calibration ring;
Step 2:Calibration ring is polished, electroplating processes, makes its inner surface rounding and smooth;
Step 3:Overall gear is uniformly cut into multiple gear units;
Step 4:Each gear unit is reached into gear requirement through row heat treatment;
Step 5:Fix an outer diameter and the identical annulus of calibration ring internal diameter with one heart on gear pedestal;
Step 6:The adjustment hole of gear unit is directed to the threaded hole of gear pedestal, and the calibration ring of each gear unit is tight
Paste annulus;
Step 7:Placing sheets are pre-fixed in adjusting gap between each gear unit;
Step 8:Connection sheet is covered in above gear unit, and the mounting hole of connection sheet is aligned to the adjustment hole of gear unit;
Step 9:Fixing bolt is sequentially passed through into mounting hole, adjustment hole and threaded hole, installation is fixed;
Step 10:Annulus and thin slice are taken out, is completed the production.
5. a kind of calibration assemblies for calibrating the detachable gear wheel as described in claims 1 to 3 any claim, feature
It is:Including calibration pedestal, amplification lever, calibration contact, signal contact and tension spring, the calibration pedestal fixed setting is described
Amplification lever rotation is set on the calibration pedestal, and the calibration contact is fixedly installed on the amplification lever front end, described
Signal contact is set to the amplification lever rear end, and long-range with a distance from run-on point of the signal contact from the amplification lever
In the calibration contact with a distance from the amplification lever rotation point, the tension spring is set to the calibration pedestal and the amplification
Between lever, for forcing the amplification lever front end to be deflected outward;In annular shape at the top of the calibration contact, and the annular shape
The outer diameter at top is equal to the calibration ring internal diameter, and the arc length at the top of the annular shape is less than the arc length of the calibration ring and more than described
The width in gap is adjusted, the tension spring forces the calibration contact to contact the calibration ring always, and the signal contact will be described
The motor message of amplification lever passes;When the detachable gear wheel normal rotation, the calibration contact is close to all calibrations
Ring simultaneously remains static, and when there is the gear unit to deviate, the calibration contact bounce should by the amplification lever
Bounce amplification, and passed by the signal contact.
6. a kind of calibration assemblies of detachable gear wheel according to claim 5, it is characterised in that:The calibration contact both ends
It is provided with circular arc bent angle.
7. a kind of calibration assemblies of detachable gear wheel according to claim 6, it is characterised in that:Above the signal contact
It is provided with jingle bell.
8. a kind of calibration assemblies of detachable gear wheel according to claim 6, it is characterised in that:Above the signal contact
It is provided with contact-making switch, the contact-making switch connection signal circuit.
9. a kind of modification method of detachable gear wheel, it is characterised in that:Include the following steps:
Step A:Pass hull closure makes detachable gear wheel stop operating;
Step B:The side that calibration assemblies fixed placement is had to calibration ring in detachable gear wheel makes the circular top of calibration contact
Portion and one of calibration ring with one heart and are close to be arranged;
Step C:Detachable gear wheel is stirred slowly with slow with one's hands, so that calibration contact is passed through the gear unit, and record when passing through and calibrate
The gear unit of contact bounce;
Step D:There to be the fixing bolt of the gear unit of record to unscrew, then adjust gear unit position, is pre-fixed;
Step E:Continuation slowly rotates detachable gear wheel, until calibration contact can will finally be consolidated smoothly through all gear units
Determine bolt and all tightens fixation.
10. a kind of modification method of detachable gear wheel according to claim 9, it is characterised in that:Before above-mentioned steps B,
Selectable progress step F:Whole fixing bolts are unscrewed, then the circumferencial direction by whole gear units along gear pedestal carries out
Offset, finally tightens fixation by fixing bolt.
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CN201810289916.1A CN108468785A (en) | 2018-04-03 | 2018-04-03 | A kind of detachable gear wheel and its manufacturing method and its calibration assemblies and modification method |
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CN201810289916.1A CN108468785A (en) | 2018-04-03 | 2018-04-03 | A kind of detachable gear wheel and its manufacturing method and its calibration assemblies and modification method |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110319174A (en) * | 2019-07-06 | 2019-10-11 | 倪俊极 | A kind of modified gear |
CN112978237A (en) * | 2021-01-27 | 2021-06-18 | 江苏佳粮机械有限公司 | Flower wheel capable of preventing grains from being broken and manufacturing method thereof |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110319174A (en) * | 2019-07-06 | 2019-10-11 | 倪俊极 | A kind of modified gear |
CN112978237A (en) * | 2021-01-27 | 2021-06-18 | 江苏佳粮机械有限公司 | Flower wheel capable of preventing grains from being broken and manufacturing method thereof |
CN112978237B (en) * | 2021-01-27 | 2023-07-18 | 江苏佳粮机械有限公司 | Flower wheel capable of preventing grains from being broken and manufacturing method thereof |
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