CN110497062A - A kind of eccentric gear and its welding and assembling technics - Google Patents
A kind of eccentric gear and its welding and assembling technics Download PDFInfo
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- CN110497062A CN110497062A CN201910717316.5A CN201910717316A CN110497062A CN 110497062 A CN110497062 A CN 110497062A CN 201910717316 A CN201910717316 A CN 201910717316A CN 110497062 A CN110497062 A CN 110497062A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/02—Seam welding; Backing means; Inserts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/235—Preliminary treatment
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- 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
Abstract
The invention discloses a kind of eccentric gear and its welding and assembling technics, this eccentric gear includes eccentric body component, weight body, gear ring, first web, second web, supporter, first web and the second web parallel interval are symmetrical arranged, supporter is equipped at intervals with multiple between the first web and the second web, the both ends of each supporter are arranged in the first web and the second web and fixation respectively, first web, the same side of second web is fixed with the one side of weight body respectively, three is set to constitute round pie whole, gear ring is sheathed on the outer ring of the pied geometry of three's composition and fixed, eccentric body component is successively arranged in the first web, second web.Eccentric gear is designed as split type, keeps gear structure fine and close by being welded, quality is more preferably；It is designed using four point symmetry machining position of gear ring, the synchronous welding method carried out of 3 points of the 4th spot weldings of heating can effectively reduce welding deformation, reduction cracks tendency, improves weldquality.
Description
Technical field
The present invention relates to a kind of eccentric gears, more particularly, to the structure and its welding and assembling technics of a kind of eccentric gear.
Background technique
Conventional gears are mostly monoblock cast part, and for cast gear due to low density, labor content is big, and the production cycle is long,
The deficiencies of polluting environment, influences the manufacturing of gear, and welded-type gear compact structure, reasonable utilization of materials, therefore more passes through
It helps, efficiently.Gear is mainly the transmitting of power and changes transmission direction, because it is related to the transmitting of power, to ensure gear
Overall structural strength directly influences the quality of whole machine for the welding quality quality of Welded-structure gear.
The wheel rim of eccentric gear is usually the medium carbon alloy steels such as 42CrMo, and eccentric body is 45 steel, and spoke and reinforcing rib are
Q345 ordinary steel, therefore, welding eccentric gear belong to the welding of three kinds of dissimilar steels, and wheel rim and eccentric body steel carbon equivalent are high, steel
Material tendency of hardenability is big, and in postwelding cooling procedure, inductile martensite hardened structure occurs in heat affected area, arrests in welding point
It is easily cracked when Shu Yingli is larger.
Summary of the invention
Goal of the invention: in view of the above-mentioned problems, the object of the present invention is to provide a kind of eccentric gear and its welding and assembling technics, make this
The eccentric gear of structure the generation of Crack prevention and improves welding quality during being welded simultaneously.
Technical solution: a kind of eccentric gear, including eccentric body component, weight body, gear ring, the first web, the second web, branch
Support body, the first web and the second web parallel interval are symmetrical arranged, and supporter is spaced between the first web and the second web and sets
Have multiple, the both ends of each supporter are arranged in the first web and the second web and fixation respectively, and the first web, the second web are same
A side is fixed with the one side of weight body respectively, and constituting three, round pie is whole, and gear ring is sheathed on the cake of three's composition
On the outer ring of structure and fixed, eccentric body component is successively arranged in the first web, the second web, and multiple supporters are closed around eccentric body
The periphery of part is arranged.
Further, eccentric body component includes wheel hub, eccentric hoop, outer side stay muscle, middle part support muscle, eccentric body fagging, wheel hub
It is fixed in insertion eccentric hoop and by eccentric body fagging with eccentric hoop, eccentric body fagging is located in eccentric hoop, eccentric body fagging one
It is fixed at intervals with two outer side stay muscle between side and the outer peripheral surface of wheel hub, is equipped with middle part between two outer side stay muscle and supports muscle, partially
Heart body fagging, wheel hub are fixed with middle part support muscle respectively, and the first web, the second web are fixed with the outer peripheral surface of eccentric hoop respectively.
Optimal, supporter is circular tube structure.
A kind of welding and assembling technics of above-mentioned eccentric gear, comprising the following steps:
Step 1: selecting the satisfactory gear part of size appearance, remove gear part groove and weld seam nearby greasy dirt,
Metallic luster is exposed on oxide skin, rust staining etc., surface；
Step 2: the second web is put on tooling datum plane, is successively inserted respectively in each circular hole two on the second web
Enter supporter, keep supporter vertical with the second web, in supporter and the fixed support of the second web junction quartering tack welding
Body and the second web, tack welding length are 20~30mm, and electric current is 260~320A, and voltage is 28~34V；
Step 3: it is put into the first web positioning seat in the second web upper surface, the first web of lifting makes which is provided with more
A circular hole one is inserted in corresponding supporter respectively, and adjustment makes the first web be close to the first web positioning seat, the first web and second
Web alignment, measurement guarantee that the first web is vertical with tooling datum plane；
Step 4: will open a grade locating clip and be placed between the first web and the second web and rigidly fix, in the first web
It is symmetrically evenly distributed with tack welding with supporter joint to fix the first web with supporter, tack welding length is 20~30mm, electric current
For 260~320A, voltage is 28~34V；
Step 5: the first web of welding, the attachment weld between the second web and supporter, welding current is 300~
360A, voltage are 32~40V；
Step 6: by weight body assembly in the first web and the second web it is ipsilateral on one side on, and weld counterweight body and
The attachment weld of one web and the second web, welding current are 300~360A, and voltage is 32~40V；
Step 7: being put into deep-wall type heating furnace for gear ring and preheat, and preheating temperature is 300~350 DEG C, and soaking time is extremely
Less be 2h, hang out gear ring assembly it is good after, tow sides are fixed to uniformly distributed tack welding, and tack welding length is 50~100mm, electric
Stream is 260~320A, and voltage is 28~34V；
Step 8: being arranged four points of connection along gear ring outer ring interval, wherein three tie point heating, in four points of connection
The weld seam bottom welding of gear ring and the first web is carried out, after weld seam bottom welding 2~3 is enclosed, 180 ° of overturning makes the second web upward,
It is done in the same fashion the weld seam bottom welding of gear ring and the second web, is overturn again after completing cover welding using multilayer multiple tracks
180 ° make the first web upward, complete the welding of gear ring and the first web residue weld seam, after the completion of welding at once by gear ring component
Slow cooling after keeping the temperature is hung in furnace；
Step 9: the temperature of eccentric body component is controlled at 250 DEG C or more, eccentric body component and gear ring component are carried out
Four processing stands are arranged along eccentric body component outer ring interval in assembly, wherein three processing stand heating, carry out in the 4th processing stand
The weld seam bottom welding of eccentric body component and gear ring component, after completing a face weld seam bottom welding 2~3 circle, 180 ° of overturning to separately
One face weld seam after the cover welding using multilayer multiple tracks bottom welding another side weld seam, then overturns 180 ° of weld seams for arriving primary face,
Carry out the cover welding of remaining weld seam；
Step 10: entire workpiece is hung to tempering in deep-well furnace, tempering temperature in 10~15min after the completion of welding
It is 600~650 DEG C, after keeping the temperature 6~7h, furnace cooling.
Further, in step 8 and step 9, the temperature of position while welding is at least 220 DEG C in welding process, each
It the road weld seam starting the arc and receives arc portion position and need to be overlapped 50~100mm, when multi-layer multi-pass welding, the starting the arc position of adjacent twice weld seam pair is extremely
Be staggered 100mm less.
Further, in step 9, when the initial temperature of eccentric body component is less than 250 DEG C, by the inclined of the completion that is welded
Heart body component is put into deep-wall type heating furnace and is preheated, and preheating temperature is 250~300 DEG C, keeps the temperature at least 2h, hangs out bias later
Body component and the gear ring component being welded are assembled.
Further, in step 8, four points of connection is circumferentially-spaced uniformly distributed along gear ring outer ring, in step 9, four
Processing stand is circumferentially-spaced uniformly distributed along eccentric body component outer ring.
Further, in step 3, after the first web is aligned with the second web, the outer profile end face of the two is staggered distance
For 0~1mm.
Further, in step 1, the planarity requirements for the gear part selected are less than or equal to 1mm/M.
The utility model has the advantages that compared with prior art, the invention has the advantages that eccentric gear is designed as split type, pass through weldering
Dress keeps gear structure fine and close, and quality is more preferably；It is designed using four point symmetry machining position of gear ring, 3 points of the 4th same steppings of spot welding of heating
Capable welding method can effectively reduce welding deformation, be heated evenly workpiece and shorten weld interval, avoid tooth in welding process
Enclose too fast cooling；Using weld preheating, postweld heat preservation slow cooling slows down the technique of welding cooling velocity, and reduction cracks tendency；
It is tempered destressing technique with postwelding, welding constraint stress is eliminated, improves weldquality.
Detailed description of the invention
Fig. 1 is this eccentric gear structural schematic diagram；
Fig. 2 is the A-A cross-sectional view of Fig. 1；
Fig. 3 is this eccentric gear assembly step schematic diagram；
Fig. 4 is to open a grade locating clip position schematic diagram；
Fig. 5 is the top view of Fig. 4；
Fig. 6 is eccentric gear welding point junction welding requirements schematic diagram.
Specific embodiment
In the following with reference to the drawings and specific embodiments, the present invention is furture elucidated, it should be understood that these embodiments are merely to illustrate
The present invention rather than limit the scope of the invention.
A kind of eccentric gear, as described in Fig. 1,2, including eccentric body component 1, weight body 2, gear ring 3, the first web 4, second
Web 5, supporter 6, eccentric body component 1 include wheel hub 11, eccentric hoop 12, outer side stay muscle 13, middle part support muscle 14, eccentric body fagging
15。
First web 4 and 5 parallel interval of the second web are symmetrical arranged, the first web 4 and 5 dimensional structure phase of the second web
Together, supporter 6 is equipped at intervals with multiple between the first web 4 and the second web 5 and is distributed in camber line, and supporter 6 is round tube knot
Structure, the both ends of each supporter 6 are arranged in the first web 4 and the second web 5 respectively and fixed, the first web 4, the second web
One side of the 5 same sides respectively with weight body 2 is fixed, and constituting three, round pie is whole, and gear ring 3 is sheathed on three's composition
It is on the outer ring of pied geometry and fixed.
Wheel hub 11 is inserted into eccentric hoop 12 and is fixed by eccentric body fagging 15 and eccentric hoop 12, and eccentric body fagging 15 is located at
In eccentric hoop 12, it is fixed at intervals with two outer side stay muscle 13 between 15 one side of eccentric body fagging and the outer peripheral surface of wheel hub 11, two
It is equipped with middle part between a outer side stay muscle 13 and supports muscle 14, eccentric body fagging 15, wheel hub 11 are fixed with middle part support muscle 14 respectively, eccentric body
Component 1 is successively arranged in the first web 4, in the second web 5, the first web 4, the second web 5 periphery with eccentric hoop 12 respectively
Face is fixed, peripheral distribution of multiple supporters 6 around eccentric body component 1.
The welding and assembling technics of above-mentioned eccentric gear, as seen in figures 3-5, comprising the following steps:
Step 1: selecting the satisfactory gear part of size appearance, and the planarity requirements of gear part are less than or equal to
1mm/M removes gear part groove and weld seam nearby greasy dirt, oxide skin, rust staining etc., and metallic luster is exposed on surface；
Step 2: the second web 5 is put on tooling datum plane 7, in each circular hole 2 51 on the second web 5 respectively according to
Secondary insertion supporter 6 keeps supporter 6 vertical with the second web 5, in 5 junction quartering tack welding of supporter 6 and the second web
Fixed support body 6 and the second web 5, tack welding length are 20~30mm, and electric current is 260~320A, and voltage is 28~34V；
Step 3: being put into the first web positioning seat 8 in 5 upper surface of the second web, what the first web 4 of lifting made to which is provided with
Multiple circular holes 1 are inserted in corresponding supporter 6 respectively, and adjustment makes the first web 4 be close to the first web positioning seat 8, the first web
4 are aligned with the second web 5, after the first web 4 is aligned with the second web 5, the outer profile end face of the two be staggered distance be 0~1mm,
Measurement guarantees that the first web 4 is vertical with tooling datum plane 7；
Step 4: will open grade locating clip 9 and be placed between the first web 4 and the second web 5 and rigidly fix, and prevent from welding
The first web 4 is deformed and shrinks with the second web 5 in the process, symmetrically uniformly fixed with 6 joint of supporter in the first web 4
Position weldering is fixed with supporter 6 by the first web 4, and tack welding length is 20~30mm, and electric current is 260~320A, and voltage is 28~
34V；
Step 5: the first web 4 of welding, the attachment weld between the second web 5 and supporter 6, welding current is 300~
360A, voltage are 32~40V；
Step 6: by weight body 2 it is assembled in the first web 4 and the second web 5 it is ipsilateral on one side on, and weld counterweight body 2
With the attachment weld of the first web 4 and the second web 5, welding current is 300~360A, and voltage is 32~40V；
Step 7: being put into deep-wall type heating furnace for gear ring 3 and preheat, and preheating temperature is 300~350 DEG C, soaking time
At least 2h, hang out gear ring 3 it is assembled it is good after, tow sides are fixed to uniformly distributed tack welding, tack welding length is 50~
100mm, electric current are 260~320A, and voltage is 28~34V；
Step 8: four points of connection is set along 3 outer ring interval of gear ring, four points of connection is circumferentially-spaced along 3 outer ring of gear ring
Cloth, wherein three tie point heating, carry out the weld seam bottom welding of gear ring 3 and the first web 4 in four points of connection, weld seam is beaten
After back welding connects 2~3 circles, 180 ° of overturning makes the second web 5 upward, is done in the same fashion the weld seam of gear ring 3 and the second web 5
Bottom welding makes the first web 4 upward using overturning 180 ° again after the completion cover welding of multilayer multiple tracks, completes gear ring 3 and first
The welding of the remaining weld seam of web 4, hangs in slow cooling after heat preservation in furnace for gear ring component after the completion of welding at once；
Along 3 outer ring of gear ring by the way of 3 points of heating, the 4th spot welding while progress, it on the one hand can reduce welding and become
On the other hand shape can decline to avoid weld seam temperature in welding process；When carrying out multi-pass welding, every welding together, be except dry
Net welding slag welds down together again；
Step 9: be welded eccentric body component 1, after the completion of assembled, the uniformly distributed tack welding along 11 circumference of wheel hub, after turn-over again
Same operation is carried out, tack welding length is 50~80mm, and welding angle≤5mm, electric current is 260~320A, and voltage is 28~34V；It
It is measured afterwards with the temperature of infrared radiation thermometer measurement eccentric body component 1, it, will if the temperature of eccentric body component 1 is less than 250 DEG C
The eccentric body component 1 of completion of being welded is put into deep-wall type heating furnace and is preheated, and preheating temperature is 250~300 DEG C, and heat preservation is at least
2h, the gear ring component for hanging out eccentric body component 1 later and being welded are assembled；It, directly will be eccentric if temperature is 250 DEG C or more
Body component 1 and gear ring component carry out assembled；
Step 10: adjustment gear ring component and the concentric rear tack welding of wheel hub 11, concentricity≤1mm, unilateral assembly gap
Four processing stands are arranged along 1 outer ring interval of eccentric body component in≤1.5mm, and four processing stands are between 1 outer ring circumferential direction of eccentric body component
Every being evenly distributed with, wherein three processing stands heating, carry out the weld seam backing welding of eccentric body component 1 and gear ring component in the 4th processing stand
It connects, after completing a face weld seam bottom welding 2~3 circle, 180 ° of overturning are arrived another side weld seam, another using multilayer multiple tracks bottom welding
After the cover welding of face weld seam, then 180 ° of weld seams for arriving primary face are overturn, carries out the cover welding of remaining weld seam；
Likewise, using 3 flame heating, the 4th same stepping of spot welding on eccentric body component 1 and gear ring component weld seam
On the one hand capable method can reduce welding deformation, on the other hand can descend below 220 to avoid weld seam temperature in welding process
DEG C, by adjusting flame range and size, guarantee position while welding temperature >=220 DEG C in welding process, when welding, it is desirable that every welding
Together, it to be welded down again except clean welding slag together；
Step 10: entire workpiece is hung to tempering in deep-well furnace, tempering temperature in 10~15min after the completion of welding
It is 600~650 DEG C, after keeping the temperature 6~7h, furnace cooling.
As shown in fig. 6, the weld seam b and weld seam c adjacent for twice, the arcing point B and receipts acnode B ' and weld seam c of weld seam b
Arcing point C and receipts acnode C ' is both needed to 50~100mm of overlapping, i.e. the value of N is 50~100mm, in addition, adjacent twice weld seam pair
Starting point position is at least staggered 100mm, i.e. the distance between arcing point B and arcing point C M is at least 100mm.
Eccentric gear is designed as split type, keeps gear structure fine and close by being welded, quality is more preferably；Using 4 points pairs of gear ring
Claim machining position design, the synchronous welding method carried out of 3 points of the 4th spot weldings of heating can effectively reduce welding deformation, make workpiece by
Heat is uniform and shortens weld interval, avoids the too fast cooling of gear ring in welding process；Using weld preheating, postweld heat preservation slow cooling slows down
The technique for welding cooling velocity, reduction crack tendency；It is tempered destressing technique with postwelding, eliminates welding constraint stress,
Improve weldquality.
Claims (9)
1. a kind of eccentric gear, it is characterised in that: including eccentric body component (1), weight body (2), gear ring (3), the first web
(4), the second web (5), supporter (6), the first web (4) and the second web (5) parallel interval are symmetrical arranged, supporter (6)
It is equipped at intervals between the first web (4) and the second web (5) multiple, the both ends of each supporter (6) are arranged in first respectively
Web (4) and the second web (5) are simultaneously fixed, the first web (4), the second web (5) same side respectively with weight body (2) one
Side is fixed, and constituting three, round pie is whole, and gear ring (3) is sheathed on the outer ring of the pied geometry of three's composition and fixes,
Eccentric body component (1) is successively arranged in the first web (4), the second web (5), and multiple supporters (6) are around eccentric body component (1)
Periphery setting.
2. a kind of eccentric gear according to claim 1, it is characterised in that: eccentric body component (1) include wheel hub (11), partially
Muscle (14), eccentric body fagging (15) are supportted in thimble (12), outer side stay muscle (13), middle part, and wheel hub (11) is inserted into eccentric hoop (12) simultaneously
Fixed by eccentric body fagging (15) and eccentric hoop (12), eccentric body fagging (15) is located in eccentric hoop (12), eccentric body fagging
(15) be fixed at intervals with two outer side stay muscle (13) between one side and the outer peripheral surface of wheel hub (11), two outer side stay muscle (13) it
Between be equipped with middle part support muscle (14), eccentric body fagging (15), wheel hub (11) are fixed with middle part support muscle (14) respectively, the first web (4),
Outer peripheral surface of second web (5) respectively with eccentric hoop (12) is fixed.
3. a kind of eccentric gear according to claim 1, it is characterised in that: supporter (6) is circular tube structure.
4. a kind of welding and assembling technics of any eccentric gear of claims 1 to 3, it is characterised in that the following steps are included:
Step 1: selecting the satisfactory gear part of size appearance, removes gear part groove and weld seam nearby greasy dirt, oxidation
Metallic luster is exposed on skin, rust staining etc., surface；
Step 2: the second web (5) is put on tooling datum plane (7), is divided in each circular hole two (51) on the second web (5)
It is not sequentially inserted into supporter (6), keeps supporter (6) vertical with the second web (5), joins in supporter (6) and the second web (5)
Locate quartering tack welding fixed support body (6) and the second web (5), tack welding length is 20~30mm, electric current is 260~
320A, voltage are 28~34V；
Step 3: it is put into the first web positioning seat (8) in the second web (5) upper surface, lifting the first web (4) makes which is provided with
Multiple circular holes one (41) be inserted in corresponding supporter (6) respectively, adjustment makes the first web (4) to be close to the first web positioning seat
(8), the first web (4) is aligned with the second web (5), and measurement guarantees that the first web (4) are vertical with tooling datum plane (7)；
Step 4: will open a grade locating clip (9) and be placed between the first web (4) and the second web (5) and rigidly fix, first
Web (4) and supporter (6) joint are symmetrically evenly distributed with tack welding and fix the first web (4) and supporter (6), tack welding length
For 20~30mm, electric current is 260~320A, and voltage is 28~34V；
Step 5: the attachment weld between welding the first web (4), the second web (5) and supporter (6), welding current 300
~360A, voltage are 32~40V；
Step 6: by weight body (2) it is assembled in the first web (4) and the second web (5) it is ipsilateral on one side on, and weld counterweight body
(2) with the attachment weld of the first web (4) and the second web (5), welding current is 300~360A, and voltage is 32~40V；
Step 7: being put into deep-wall type heating furnace for gear ring (3) and preheat, and preheating temperature is 300~350 DEG C, and soaking time is extremely
Less be 2h, hang out gear ring (3) it is assembled good after, tow sides are fixed to uniformly distributed tack welding, tack welding length is 50~
100mm, electric current are 260~320A, and voltage is 28~34V；
Step 8: being arranged four points of connection along gear ring (3) outer ring interval, wherein three tie point heating, in four points of connection
The weld seam bottom welding of gear ring (3) and the first web (4) is carried out, after weld seam bottom welding 2~3 is enclosed, 180 ° of overturning makes the second abdomen
Plate (5) upward, is done in the same fashion the weld seam bottom welding of gear ring (3) Yu the second web (5), is completed using multilayer multiple tracks
Overturning 180 ° after cover welding again makes the first web (4) upward, completes the welding of gear ring (3) and the first web (4) remaining weld seam,
Gear ring component is hung in into slow cooling after heat preservation in furnace at once after the completion of welding；
Step 9: the temperature of eccentric body component (1) is controlled at 250 DEG C or more, by eccentric body component (1) and gear ring component into
Row is assembled, and four processing stands are arranged along eccentric body component (1) outer ring interval, wherein three processing stand heating, are processed at the 4th
Point carries out the weld seam bottom welding of eccentric body component (1) and gear ring component, after completing a face weld seam bottom welding 2~3 circle, overturning
180 ° are arrived another side weld seam, after the cover welding using multilayer multiple tracks bottom welding another side weld seam, then overturn 180 ° to initially
The weld seam in face carries out the cover welding of remaining weld seam；
Step 10: being hung to tempering in deep-well furnace for entire workpiece in 10~15min after the completion of welding, and tempering temperature is
600~650 DEG C, after keeping the temperature 6~7h, furnace cooling.
5. a kind of welding and assembling technics of eccentric gear according to claim 4, it is characterised in that: in step 8 and step 9
In, the temperature of position while welding is at least 220 DEG C in welding process, every one of weld seam starting the arc and receive arc portion position need to be overlapped 50~
100mm, when multi-layer multi-pass welding, the starting the arc position of adjacent twice weld seam pair is at least staggered 100mm.
6. a kind of welding and assembling technics of eccentric gear according to claim 4, it is characterised in that: in step 9, furnace is carried out
Preheating, preheating temperature are 250~300 DEG C, keep the temperature at least 2h, the gear ring component for hanging out eccentric body component (1) later and being welded
It is assembled.
7. a kind of welding and assembling technics of eccentric gear according to claim 4, it is characterised in that: in step 8, four companies
Contact is circumferentially-spaced uniformly distributed along gear ring (3) outer ring, and in step 9, four processing stands are between the circumferential direction of eccentric body component (1) outer ring
Every uniformly distributed.
8. a kind of welding and assembling technics of eccentric gear according to claim 4, it is characterised in that: in step 3, the first abdomen
After plate (4) is aligned with the second web (5), the outer profile end face of the two is staggered distance as 0~1mm.
9. a kind of welding and assembling technics of eccentric gear according to claim 4, it is characterised in that: in step 1, select
The planarity requirements of gear part are less than or equal to 1mm/M.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114473396A (en) * | 2022-03-04 | 2022-05-13 | 重庆蔡氏液压设备有限公司 | Machining method of eccentric gear |
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| US4245516A (en) * | 1979-06-25 | 1981-01-20 | Delta Associated Industries Corp. | Cycloidal drive |
| JP2009121494A (en) * | 2007-11-12 | 2009-06-04 | Kamo Seiko Kk | Double-stage reduction gear |
| CN201187569Y (en) * | 2008-03-28 | 2009-01-28 | 江苏扬力集团有限公司 | Eccentric gear structure of press machine |
| CN101900196A (en) * | 2009-05-27 | 2010-12-01 | 华新水泥股份有限公司 | Large welded gear and process method for manufacturing same |
| CN203532669U (en) * | 2013-10-23 | 2014-04-09 | 沃得精机(中国)有限公司 | Welded eccentric gear |
| CN104923889A (en) * | 2015-07-02 | 2015-09-23 | 重庆齿轮箱有限责任公司 | Assembly welding method of welded gear |
| CN105351484A (en) * | 2015-12-22 | 2016-02-24 | 扬州捷迈锻压机械有限公司 | Eccentric gear |
| CN206626153U (en) * | 2017-03-02 | 2017-11-10 | 湖北富洋机械制造股份有限公司 | A kind of eccentric gear |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114473396A (en) * | 2022-03-04 | 2022-05-13 | 重庆蔡氏液压设备有限公司 | Machining method of eccentric gear |
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