CN1666891A - Automobile integral drive axle housing and manufacturing method thereof - Google Patents

Automobile integral drive axle housing and manufacturing method thereof Download PDF

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Publication number
CN1666891A
CN1666891A CN 200510067991 CN200510067991A CN1666891A CN 1666891 A CN1666891 A CN 1666891A CN 200510067991 CN200510067991 CN 200510067991 CN 200510067991 A CN200510067991 A CN 200510067991A CN 1666891 A CN1666891 A CN 1666891A
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China
Prior art keywords
axle housing
housing
section
drive axle
integral drive
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CN 200510067991
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CN100361830C (en
Inventor
杨东洲
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Penglai Wanshou Machinery Co., Ltd.
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杨东洲
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Publication of CN1666891A publication Critical patent/CN1666891A/en
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Publication of CN100361830C publication Critical patent/CN100361830C/en
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Abstract

The invention relates to the driving-bridge shell of the whole automobile and the manufacturing method. The bridge shell comprises the middle shell and the shaft tube with round section. The middle shell extends to two ends and forms the shaft tubes, and the shaft tubes and the middle shell are soldered integratingly without slots. The lute-shape part of the section of the middle shell is quadrate, and the two side sections of the lute part are square, and the round lute holes are on the two broad faces of the lute part.

Description

Automobile integral drive axle housing and manufacture method thereof
Technical field
The present invention relates to a kind of automobile integral drive axle housing and manufacture method thereof.
Background technology
Vehicle driving axle housing is made up of the centre housing part of Chinese lute shape (swelling promptly) and the central siphon at two ends, at present, both at home and abroad two central siphons of the driving axle housing of the autotruck that uses are weld togethers with the centre housing of Chinese lute shape, and the Chinese lute shape centre housing at its middle part partly adopts to be cast or the manufacturing of butt welding welding manner.
The Chinese lute shape centre housing of casting adopts cast iron or cast steel to make, and is pressed into central siphon again through two ends after the machine up, and the axle housing weight of this structure is big, produces the reject rate height, and production environment is seriously polluted, the Product Variant difficulty; Adopt the butt welding welding manner then be by two plate irons strike out upper and lower two and half shells more relatively welding make, weld the two ends central siphon again through after the machine up, producing this axle housing then needs large-scale blanking, punching press, heating, welding gear, and investment is big, stock utilization is low so produce.In addition, no matter adopt existing which kind of axle housing, its central siphon all is the two ends that are welded on centre housing, is split-type structural, so all there is the inaesthetic shortcoming of profile; In addition, because centre housing and central siphon adopt welding, can only carry out single-sided welding from the outside when partly welding for the less spindle nose of diameter, be difficult to guarantee welding quality, and the existence of the material thermal stress that welding causes, make its commissure cause that strength of material is low, rigidity is poor, occur fracture easily from the commissure, so hidden danger is many, poor reliability.
Summary of the invention
The objective of the invention is to overcome the above-mentioned deficiency of existing vehicle driving axle housing, provide a kind of aesthetic in appearance, bulk strength is high, rigidity is strong, produce the little and free of contamination automobile integral drive axle housing of investment.
Automobile integral drive axle housing provided by the invention, comprise that centre housing and section are circular central siphon, centre housing extends to form the central siphon at two ends to two ends, central siphon and centre housing are the integrative-structure of no weld seam global formation, the Chinese lute shape cut-away section of centre housing is an oblong, Chinese lute shape part both sides section is a square, and circular Chinese lute shape hole is arranged on two wide facades of Chinese lute shape part.
Automobile integral drive axle housing structure of the present invention, because centre housing and two central siphons are the integrative-structure of global formation, can be by expansion, undergauge moulding, so have small investment, efficient height, free of contamination advantage, and because product is the integrated welding seam-free structure, so good looking appearance, product strength height, integral rigidity are good.
The present invention also provides a kind of method of making vehicle driving axle housing, comprises the following steps:
(a) select a solid drawn pipe, this steel pipe has a cylindrical shape or square cylindrical wall and limits a central axis; Along this central axial direction, steel pipe is divided into the therefrom extension that extends to its two opposite sides respectively of portion of a middle part and two;
(b), form two reduction bands or connect seam at the diameter opposite position of described cylindrical wall or the relative both sides center of square cylindrical wall substantially along described central axial direction at described steel pipe middle part;
(c) described reduction band or perforation seam limit a plane, expand the middle part of described steel pipe along the normal direction on this plane, up to forming the needed contour shape of vehicle driving axle housing, wherein be out of shape transition phase near one of the zone formation at described middle part, and obvious plastic deformation does not take place in solid drawn pipe beyond the distortion transition phase at each extension.
Better further comprising the steps: does not have the end regions of plastic deformation section to carry out draw processing at solid drawn pipe.
Better further comprise the steps: the end regions that does not have the plastic deformation section is carried out machinework.
Preferably further comprise the steps: described reduction band or the edge that connects the end of seam are made the rounding off profile.
Description of drawings
Fig. 1 is a kind of preferred construction scheme drawing of automobile integral drive axle housing of the present invention;
Fig. 2 is the A-A section-drawing of Fig. 1;
Fig. 3 is the B-B section-drawing of Fig. 1;
Fig. 4 is the C-C section-drawing of Fig. 1;
Fig. 5 is the D-D section-drawing of Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing automobile integral drive axle housing of the present invention is described further.
As shown in Figure 1, automobile integral drive axle housing is that circular central siphon 2,3 constitutes by the section at centre housing 1, two ends, extension is the integrative-structure of global formation with central siphon 2,3 to centre housing 1 to two ends, middle no any weld seam, portion C-the C section as shown in Figure 4 for centre housing Chinese lute shape, be oblong, Chinese lute shape part both sides B-B section is illustrated in figure 3 as square, and circular Chinese lute shape hole 11 is arranged on two wide facades of Chinese lute shape part.As Fig. 2 and shown in Figure 5, the A-A section of the central siphon 2,3 at two ends and centre housing 1 are circular with central siphon 2,3 transition connecting bridge D-D sections.
This automobile integral drive axle housing adopts solid drawn pipe; through expanding and shaping; centre housing 1 expands circular Chinese lute shape hole 11; the two ends undergauge becomes central siphon 2,3; middle Chinese lute shape partly is an oblong, and two ends are transited into square gradually, pass through circular central siphon 2,3 parts that circular transition portion (being D-D section part) carries out the transition to two ends again; this shape and structure is convenient to expansion and undergauge processing, protects working accuracy and quality easily.Circular hole is adopted in Chinese lute shape hole 11, and distribution of stress is more reasonable when making the axle housing middle part stressed than the polygonal hole of employing, and intensity is better.
Open on two wide facades of centre housing 1 in Chinese lute shape hole 11, and 11 both sides, Chinese lute shape hole have triangle steel plate 12 to be welded on the centre housing 1.Rectangular section director B-B of centre housing 1 and the wide 80~170mm that is of a size of, but not only can guarantee the safety but also the saving in material of autotruck driving axle housing when load-carrying in this range of sizes, it is that the external diameter at circular section segment A-A place is 50~120mm that the central siphon 2,3 at two ends is installed bearing portions.
The present invention also provides a kind of method of making vehicle driving axle housing, comprises the following steps:
(a) select a solid drawn pipe, this steel pipe has a cylindrical shape or square cylindrical wall and limits a central axis; Along this central axial direction, steel pipe is divided into the therefrom extension that extends to its two opposite sides respectively of portion of a middle part and two;
(b), form two reduction bands or connect seam at the diameter opposite position of described cylindrical wall or the relative both sides center of square cylindrical wall substantially along described central axial direction at described steel pipe middle part;
(c) described reduction band or perforation seam limit a plane, expand the middle part of described steel pipe along the normal direction on this plane, up to forming the needed contour shape of vehicle driving axle housing, wherein be out of shape transition phase near one of the zone formation at described middle part, and obvious plastic deformation does not take place in solid drawn pipe beyond the distortion transition phase at each extension.
Better further comprising the steps: does not have the end regions of plastic deformation section to carry out draw processing at solid drawn pipe.
Better further comprise the steps: the end regions that does not have the plastic deformation section is carried out machinework.
Preferably further comprise the steps: described reduction band or the edge that connects the end of seam are made the rounding off profile.

Claims (8)

1, a kind of automobile integral drive axle housing, comprise that centre housing and section are circular central siphon, centre housing extends to form the central siphon at two ends to two ends, central siphon and centre housing are the integrative-structure of no weld seam global formation, centre housing Chinese lute shape cut-away section is an oblong, the both sides section of Chinese lute shape part is a square, and circular Chinese lute shape hole is arranged on two wide facades of Chinese lute shape part.
2, automobile integral drive axle housing as claimed in claim 1 is characterized in that: described centre housing and central siphon are solid drawn pipe.
3, automobile integral drive axle housing as claimed in claim 1 or 2 is characterized in that: the length and the wide 80~170mm of being of described centre housing Chinese lute shape part both sides rectangular section.
4, automobile integral drive axle housing as claimed in claim 1 or 2 is characterized in that: the external diameter that described central siphon is installed bearing portion is 50~120mm.
5, the manufacture method of the described automobile integral drive axle housing of a kind of claim 1 comprises the following steps:
(a) select a solid drawn pipe, this steel pipe has a cylindrical shape or square cylindrical wall and limits a central axis; Along this central axial direction, steel pipe is divided into the therefrom extension that extends to its two opposite sides respectively of portion of a middle part and two;
(b), form two reduction bands or connect seam at the diameter opposite position of described cylindrical wall or the relative both sides center of square cylindrical wall substantially along described central axial direction at described steel pipe middle part;
(c) described reduction band or perforation seam limit a plane, expand the middle part of described steel pipe along the normal direction on this plane, up to forming the needed contour shape of vehicle driving axle housing, wherein be out of shape transition phase near one of the zone formation at described middle part, and obvious plastic deformation does not take place in solid drawn pipe beyond the distortion transition phase at each extension.
6, method as claimed in claim 5, wherein, further comprising the steps: does not have the end regions of plastic deformation section to carry out draw processing at solid drawn pipe.
7, method as claimed in claim 6 wherein, further comprises the steps: the end regions that does not have the plastic deformation section is carried out machinework.
8, method as claimed in claim 5 wherein, further comprises the steps: described reduction band or the edge that connects the end of seam are made the rounding off profile.
CNB2005100679916A 2005-04-30 2005-04-30 Automobile integral drive axle housing and manufacturing method thereof Active CN100361830C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2005100679916A CN100361830C (en) 2005-04-30 2005-04-30 Automobile integral drive axle housing and manufacturing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2005100679916A CN100361830C (en) 2005-04-30 2005-04-30 Automobile integral drive axle housing and manufacturing method thereof

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CN1666891A true CN1666891A (en) 2005-09-14
CN100361830C CN100361830C (en) 2008-01-16

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101879565A (en) * 2010-06-04 2010-11-10 衡阳连续运输机械有限公司 Manufacturing method of welded steel pipe-free integrally formed automobile transaxle housing
CN103029516A (en) * 2011-09-28 2013-04-10 蓬莱万寿机械有限公司 High-strength driving axle housing
CN103624482A (en) * 2012-08-21 2014-03-12 湖北奥德车桥有限公司 Method for forming whole axle housing of automobile drive axle
CN103692858A (en) * 2013-12-30 2014-04-02 郑州精益达汽车零部件有限公司 Split axle housing for electric passenger vehicles and manufacture method thereof
CN106427400A (en) * 2016-06-29 2017-02-22 吉林省车桥汽车零部件有限公司 Axle housing of driven axle, as well as shaping mold and shaping technology of axle housing

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4841802A (en) * 1986-03-27 1989-06-27 Rockwell International Corporation Modified fast fade drive axle housing
FR2749223B1 (en) * 1996-05-29 1998-07-31 Gec Alsthom Transport Sa MOTORIZED AXLE WITH INDEPENDENT ROTATING WHEELS
CN1192408A (en) * 1997-12-31 1998-09-09 陈恩生 Process for producing reinforcing ring without welf-joint for axle housing of rear axle of automobiles
CN2359150Y (en) * 1999-03-01 2000-01-19 安徽省华龙机电化工股份有限公司 Bridge integral coupling rear axle
CN1219609C (en) * 2001-09-21 2005-09-21 长春汽车材料研究所 Integrated extruding method for automobile axle shell
CN1616161A (en) * 2003-11-14 2005-05-18 衡阳欣凯实业有限公司 Method for producing non-cast integrally formed antomobile driving axle shell
CN2661468Y (en) * 2004-02-23 2004-12-08 杨东洲 Integrated type steel pipe automobile driving axle housing
CN2717733Y (en) * 2004-07-27 2005-08-17 杨东洲 Integrated driving bridge housing for vehicle

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101879565A (en) * 2010-06-04 2010-11-10 衡阳连续运输机械有限公司 Manufacturing method of welded steel pipe-free integrally formed automobile transaxle housing
CN103029516A (en) * 2011-09-28 2013-04-10 蓬莱万寿机械有限公司 High-strength driving axle housing
CN103624482A (en) * 2012-08-21 2014-03-12 湖北奥德车桥有限公司 Method for forming whole axle housing of automobile drive axle
CN103624482B (en) * 2012-08-21 2016-05-11 李迎春 A kind of forming method of automobile drive axle integral housing
CN103692858A (en) * 2013-12-30 2014-04-02 郑州精益达汽车零部件有限公司 Split axle housing for electric passenger vehicles and manufacture method thereof
CN106427400A (en) * 2016-06-29 2017-02-22 吉林省车桥汽车零部件有限公司 Axle housing of driven axle, as well as shaping mold and shaping technology of axle housing

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Publication number Publication date
CN100361830C (en) 2008-01-16

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Owner name: PENGLAI WANSHOU MACHINERY CO., LTD.

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Address after: 265607 Penglai Economic Development Zone, Shandong, Yantai

Patentee after: Penglai Wanshou Machinery Co., Ltd.

Address before: 265607 No. 158, Shanghai Road, Penglai Development Zone, Shandong

Patentee before: Yang Dongzhou

EE01 Entry into force of recordation of patent licensing contract

Assignee: Penglai Wanshou Machinery Co., Ltd.

Assignor: Yang Dongzhou

Contract record no.: 2010110000209

Denomination of invention: Automobile integral drive axle housing and manufacturing method thereof

Granted publication date: 20080116

License type: Exclusive License

Open date: 20050914

Record date: 20101206