CN106994543A - The attachment structure of a kind of differential carrier and bull gear and connection method - Google Patents
The attachment structure of a kind of differential carrier and bull gear and connection method Download PDFInfo
- Publication number
- CN106994543A CN106994543A CN201710285656.6A CN201710285656A CN106994543A CN 106994543 A CN106994543 A CN 106994543A CN 201710285656 A CN201710285656 A CN 201710285656A CN 106994543 A CN106994543 A CN 106994543A
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- CN
- China
- Prior art keywords
- bull gear
- installation portion
- differential carrier
- inner peripheral
- peripheral surface
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/005—Soldering by means of radiant energy
- B23K1/0056—Soldering by means of radiant energy soldering by means of beams, e.g. lasers, E.B.
-
- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/0008—Soldering, e.g. brazing, or unsoldering specially adapted for particular articles or work
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses the attachment structure and connection method of a kind of differential carrier and bull gear, bull gear is set with the differential housing, the outer surface of described differential carrier one end is protruded above provided with outer installation portion, the inner peripheral surface of described bull gear one end is protruded above provided with interior installation portion, the surface of outer installation portion side adjacent with the interior installation portion fits together, the inner peripheral surface and the outer surface of the differential carrier of the interior installation portion are brought into close contact, the inner edge depression of the outer surface of the outer installation portion is in the outer groove of arcuation, the inner edge depression of the inner peripheral surface of the bull gear is in the inner groove of arcuation, the outer groove and inner groove cooperatively form the molten slag bath of ring dress；Laser welding mode is used during welding, fusion weld mode is used to bull gear and differential carrier, bull gear and differential carrier are linked together.Efficiency of assembling of the present invention is high, it is possible to increase the welding performance between differential carrier and bull gear.
Description
Technical field
The present invention relates to a kind of differential mechanism welding technique, more particularly to a kind of differential carrier and bull gear attachment structure and
Connection method.
Background technology
Present differential carrier has passed through bolt and pin shaft joint with bull gear, and process is very cumbersome, and dress
With inefficiency, and amount of parts and weight can be reduced by way of welding, improve efficiency of assembling.But due to differential mechanism
Shell is usually casting, and the common used material of bull gear is low-carbon alloy steel, and weldability between the two is poor.
The content of the invention
The technical problems to be solved by the invention are：There is provided a kind of efficiency of assembling high, at the same can improve differential carrier with
A kind of differential carrier and the attachment structure of bull gear of welding performance between bull gear.
In order to solve the above technical problems, the technical scheme is that：A kind of attachment structure of differential carrier and bull gear,
Bull gear is set with the differential housing, and the outer surface of described differential carrier one end is protruded above provided with outer installation portion, the canine tooth
The inner peripheral surface of circle one end is protruded above provided with interior installation portion, the surface patch of outer installation portion side adjacent with the interior installation portion
It is combined, the inner peripheral surface and the outer surface of the differential carrier of the interior installation portion are brought into close contact, the outer installation portion
The inner edge depression of outer surface in the outer groove of arcuation, the inner edge depression of inner peripheral surface of the bull gear is in arcuation
Inner groove, the outer groove and inner groove cooperatively form the molten slag bath of ring dress.
As preferred technical scheme, outside the outer surface outer end of the outer installation portion and the inner peripheral surface of the bull gear
Left between end filling gap, the outer surface of the outer installation portion between the filling gap and the molten slag bath with
It is brought into close contact between the inner peripheral surface of the bull gear.
By adopting the above-described technical solution, a kind of attachment structure of differential carrier and bull gear, bull gear is sleeved on difference
On fast device shell, the outer surface of described differential carrier one end is protruded above provided with outer installation portion, the interior weekly form of described bull gear one end
Face is protruded above provided with interior installation portion, and the surface of outer installation portion side adjacent with the interior installation portion fits together, described
The inner peripheral surface of interior installation portion and the outer surface of the differential carrier are brought into close contact, and the outer surface of the outer installation portion is inner
Edge depression is in the outer groove of arcuation, and the inner edge depression of inner peripheral surface of the bull gear is in the inner groove of arcuation, described outer
Annular groove and inner groove cooperatively form the molten slag bath of ring dress.By the setting of outer installation portion and interior installation portion, differential carrier is improved
The convenience and accuracy assembled with bull gear, by the setting of molten slag bath, can be beneficial to depth side of the keyhole effect in welding
To extension, promote the sinking of molten metal, be conducive to stablizing relatively for weld penetration, while reducing welded workpiece top layer
Overlap situation, improves the welding performance between welding quality and differential carrier and bull gear.
Present invention also offers the connection method of a kind of differential carrier of said structure and bull gear, including step simultaneously：
1), by bull gear suit on the differential housing, the surface of outer installation portion side adjacent with the interior installation portion
Fit together, the inner peripheral surface and the outer surface of the differential carrier of the interior installation portion are brought into close contact, the outer groove
The molten slag bath of ring dress, the outer surface outer end of the outer installation portion and the inner peripheral surface of the bull gear are cooperatively formed with inner groove
Filling gap, the outer surface of the outer installation portion between the filling gap and the molten slag bath are left between outer end
It is brought into close contact between the inner peripheral surface of the bull gear；
2), by the bull gear assembled suit and differential carrier be fixed on welding bench, and cause filling gap to
It is upper to set；
3), the filler wire in filling gap；
4) fusion weld mode, is used to being located at filling gap location position and welding wire on bull gear and differential carrier, will
Bull gear and differential carrier link together.
By the setting of outer installation portion and interior installation portion, convenience that differential carrier assembles with bull gear and accurately is improved
Property, by the setting of molten slag bath, the extension of depth direction of the keyhole effect in welding can be beneficial to, promoted under molten metal
It is heavy, be conducive to stablizing relatively for weld penetration, while reducing the overlap situation on welded workpiece top layer, improve welding quality and difference
Welding performance between fast device shell and bull gear.
Wherein fusion weld uses laser welding.Under laser irradiation, welding wire, differential carrier and canine tooth loop material produce steaming
Send out and form aperture, aperture and the molten metal material round hole wall are moved forward with preceding light guide bundles pace, melting gold
Subordinate is heavy to be filled the space left after aperture is removed and condenses therewith, and weld seam is then formed, and is melted the metal sunk and entered
Into molten slag bath, beneficial to stablizing relatively for weld penetration, while reducing the overlap situation on welded workpiece top layer.
Brief description of the drawings
The following drawings is only intended to, in doing schematic illustration and explanation to the present invention, not delimit the scope of the invention.Wherein：
Fig. 1 is the structural representation of the present invention；
Fig. 2 is present invention welding schematic diagram.
In figure：1- differential carriers；The outer installation portions of 11-；2- bull gears；Installation portion in 21-；3- fills gap；4- molten slag baths；
5- welding benches；6- welding machines.
Embodiment
With reference to the accompanying drawings and examples, the present invention is expanded on further.In the following detailed description, only explanation is passed through
Mode describes some one exemplary embodiments of the present invention.Undoubtedly, one of ordinary skill in the art will recognize,
In the case of without departing from the spirit and scope of the present invention, described embodiment can be repaiied with a variety of modes
Just.Therefore, accompanying drawing and description are inherently illustrative, are not intended to limit the scope of the claims.
As shown in figure 1, a kind of attachment structure of differential carrier and bull gear, bull gear 2 is sleeved on differential carrier 1, institute
The outer surface for stating the one end of differential carrier 1 is protruded above provided with outer installation portion 11, and the inner peripheral surface of described one end of bull gear 2 is protruded above
Provided with interior installation portion 21, the outer installation portion 11 fits together with the surface of the adjacent side of the interior installation portion 21, described interior
The inner peripheral surface of installation portion 21 and the outer surface of the differential carrier 1 are brought into close contact, the outer surface of the outer installation portion 11
Inner edge depression is in the outer groove of arcuation, and the inner edge depression of inner peripheral surface of the bull gear 2 is in the inner groove of arcuation, institute
State outer groove and inner groove cooperatively forms the molten slag bath 4 of ring dress.By the setting of outer installation portion 11 and interior installation portion 21, improve
Convenience and accuracy that differential carrier 1 is assembled with bull gear 2, by the setting of molten slag bath 4, can be beneficial to keyhole effect in welding
When depth direction extension, promote molten metal sinking, be conducive to weld penetration relatively stablize, while reduce welding after
The overlap situation of workpiece surface, improves the welding performance between welding quality and differential carrier 1 and bull gear 2.
Left between the outer surface outer end of the outer installation portion 11 and the inner peripheral surface outer end of the bull gear 2 between filling
Gap 3, outer surface and the bull gear 2 of the outer installation portion 11 between the filling gap 3 and the molten slag bath 4
Inner peripheral surface between be brought into close contact.Filling gap 3 can be conveniently used for placing welding wire, be easy to welding.
As shown in Fig. 2 the connection method of the differential carrier and bull gear of a kind of said structure, including step：
1), bull gear 2 is sleeved on differential carrier 1, suit assembling, the outer peace can be carried out using artificial or machine
Dress portion 11 fits together with the surface of the adjacent side of the interior installation portion 21, the inner peripheral surface of the interior installation portion 21 with it is described
The outer surface of differential carrier 1 is brought into close contact, and the outer groove and inner groove cooperatively form the molten slag bath 4 of ring dress, the outer peace
Filling gap 3 is left between the outer surface outer end in dress portion 11 and the inner peripheral surface outer end of the bull gear 2, positioned at the filling
It is tight between the outer surface of the outer installation portion 11 and the inner peripheral surface of the bull gear 2 between gap 3 and the molten slag bath 4
It is closely connected to close；
2), the bull gear 2 assembled is set with and differential carrier 1 is fixed on welding bench 5, and causes filling gap
3 set up；Clamping tool can be set on welding bench 5, the bull gear assembled 2 will be set with by way of clamping
It is fixed on differential carrier 1 on welding bench 5；
3), the filler wire in filling gap 3；
4) fusion weld mode, is used to being located at position and welding wire at filling gap 3 on bull gear 2 and differential carrier 1,
Melted by welding machine 6 and be located at position at filling gap 3 on welding wire and bull gear 2 and differential carrier 1, it is combined together,
So as to which bull gear 2 and differential carrier 1 be linked together.
By the setting of outer installation portion 11 and interior installation portion 21, the convenience that differential carrier 1 is assembled with bull gear 2 is improved
And accuracy, by the setting of molten slag bath 4, the extension of depth direction of the keyhole effect in welding can be beneficial to, promote melting gold
The sinking of category, is conducive to stablizing relatively for weld penetration, while reducing the overlap situation on welded workpiece top layer, improves welding matter
Amount and the welding performance between differential carrier 1 and bull gear 2.
Wherein fusion weld uses laser welding.Welding machine 6 uses laser-beam welding machine, is produced by the work head of laser-beam welding machine
Under raw laser irradiation, welding wire, differential carrier 1 are produced with the material of bull gear 2 evaporates and is formed aperture, aperture and round hole wall
Molten metal material is moved forward with preceding light guide bundles pace, and molten metal sinks to filling the sky left after aperture is removed
Gap is simultaneously condensed therewith, and weld seam is then formed, and is melted the metal sunk and entered in molten slag bath 4, beneficial to the relative of weld penetration
It is stable, while reducing the overlap situation on welded workpiece top layer.
General principle, principal character and the advantages of the present invention of the present invention has 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 the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (4)
1. a kind of attachment structure of differential carrier and bull gear, bull gear is set with the differential housing, it is characterised in that：The difference
The outer surface of fast device shell one end is protruded above provided with outer installation portion, and the inner peripheral surface of described bull gear one end is protruded above provided with interior peace
Dress portion, the surface of outer installation portion side adjacent with the interior installation portion fits together, the interior weekly form of the interior installation portion
Face and the outer surface of the differential carrier are brought into close contact, and the inner edge depression of outer surface of the outer installation portion is in arcuation
Outer groove, the inner edge depression of inner peripheral surface of the bull gear is in the inner groove of arcuation, and the outer groove and inner groove coordinate
Form the molten slag bath of ring dress.
2. a kind of attachment structure of differential carrier and bull gear as claimed in claim 1, it is characterised in that：The outer installation portion
Outer surface outer end and the bull gear inner peripheral surface outer end between leave filling gap, positioned at the filling gap and institute
State and be brought into close contact between the outer surface of the outer installation portion and the inner peripheral surface of the bull gear between molten slag bath.
3. a kind of connection method of differential carrier and bull gear as claimed in claim 2, it is characterised in that including step：
1), by bull gear suit on the differential housing, the surface laminating of outer installation portion side adjacent with the interior installation portion
Together, the inner peripheral surface and the outer surface of the differential carrier of the interior installation portion are brought into close contact, the outer groove and interior
Annular groove cooperatively forms the molten slag bath of ring dress, the outer surface outer end of the outer installation portion and the inner peripheral surface outer end of the bull gear
Between leave filling gap, the outer surface of the outer installation portion between the filling gap and the molten slag bath and institute
It is brought into close contact between the inner peripheral surface for stating bull gear；
2), the bull gear assembled suit and differential carrier are fixed on welding bench, and cause the outer installation portion
Outer end and the outer end of the bull gear are located remotely from the side of welding bench；
3), the filler wire in filling gap；
4) fusion weld mode, is used to being located at filling gap location position and welding wire on bull gear and differential carrier, by canine tooth
Circle and differential carrier link together.
4. a kind of connection method of differential carrier and bull gear as claimed in claim 3, it is characterised in that：Fusion weld is used
Laser welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710285656.6A CN106994543A (en) | 2017-04-27 | 2017-04-27 | The attachment structure of a kind of differential carrier and bull gear and connection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710285656.6A CN106994543A (en) | 2017-04-27 | 2017-04-27 | The attachment structure of a kind of differential carrier and bull gear and connection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106994543A true CN106994543A (en) | 2017-08-01 |
Family
ID=59435510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710285656.6A Withdrawn CN106994543A (en) | 2017-04-27 | 2017-04-27 | The attachment structure of a kind of differential carrier and bull gear and connection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106994543A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108500576A (en) * | 2018-03-30 | 2018-09-07 | 重庆联豪科技有限公司 | A kind of welding procedure of differential assembly |
| CN115805370A (en) * | 2022-12-30 | 2023-03-17 | 中国重汽集团济南动力有限公司 | One-piece commercial inter-wheel differential welding manufacturing process |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1657223A (en) * | 2005-04-11 | 2005-08-24 | 北京工业大学 | Narrow gap aluminum alloy laser welding method using filler wire |
| EP1719572A2 (en) * | 2005-05-04 | 2006-11-08 | Bayerische Motorenwerke Aktiengesellschaft | Process for welding a ring gear with gear case |
| DE102011077562A1 (en) * | 2011-06-15 | 2012-12-20 | Zf Friedrichshafen Ag | Welding first part made of cast material with second part consisting of carburized steel, comprises machining one of the parts before welding at flange surface so that circumferential weld groove is formed between first and second parts |
| CN103596721A (en) * | 2011-06-01 | 2014-02-19 | 丰田自动车株式会社 | Welded joint structure and weld quality detection method |
| CN106015509A (en) * | 2015-03-30 | 2016-10-12 | 武藏精密工业株式会社 | Transmission device |
| CN206839355U (en) * | 2017-04-27 | 2018-01-05 | 山东五征集团有限公司 | A kind of attachment structure of differential carrier and bull gear |
-
2017
- 2017-04-27 CN CN201710285656.6A patent/CN106994543A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1657223A (en) * | 2005-04-11 | 2005-08-24 | 北京工业大学 | Narrow gap aluminum alloy laser welding method using filler wire |
| EP1719572A2 (en) * | 2005-05-04 | 2006-11-08 | Bayerische Motorenwerke Aktiengesellschaft | Process for welding a ring gear with gear case |
| CN103596721A (en) * | 2011-06-01 | 2014-02-19 | 丰田自动车株式会社 | Welded joint structure and weld quality detection method |
| DE102011077562A1 (en) * | 2011-06-15 | 2012-12-20 | Zf Friedrichshafen Ag | Welding first part made of cast material with second part consisting of carburized steel, comprises machining one of the parts before welding at flange surface so that circumferential weld groove is formed between first and second parts |
| CN106015509A (en) * | 2015-03-30 | 2016-10-12 | 武藏精密工业株式会社 | Transmission device |
| CN206839355U (en) * | 2017-04-27 | 2018-01-05 | 山东五征集团有限公司 | A kind of attachment structure of differential carrier and bull gear |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108500576A (en) * | 2018-03-30 | 2018-09-07 | 重庆联豪科技有限公司 | A kind of welding procedure of differential assembly |
| WO2019185059A1 (en) * | 2018-03-30 | 2019-10-03 | 重庆联豪科技有限公司 | Welding process for differential assembly |
| CN115805370A (en) * | 2022-12-30 | 2023-03-17 | 中国重汽集团济南动力有限公司 | One-piece commercial inter-wheel differential welding manufacturing process |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170801 |
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| WW01 | Invention patent application withdrawn after publication |