CN202029647U - Automobile rear axle housing assembly - Google Patents
Automobile rear axle housing assembly Download PDFInfo
- Publication number
- CN202029647U CN202029647U CN2010205292126U CN201020529212U CN202029647U CN 202029647 U CN202029647 U CN 202029647U CN 2010205292126 U CN2010205292126 U CN 2010205292126U CN 201020529212 U CN201020529212 U CN 201020529212U CN 202029647 U CN202029647 U CN 202029647U
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- axle housing
- axle
- assembly
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- assy
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Abstract
The utility model relates to an automobile rear axle housing assembly, wherein the 509 type axle housing assembly structure is formed by connecting a half-axle enclosing tube, an axle housing body, a backing ring, a reinforcing ring, an air chamber support seat, an axle housing cover, a plate spring seat, a drain plug seat, and a threeway support seat together, wherein the middle of the axle housing body is provided with positions adapted for the interface dimension of a 509 type differential assembly, a ventilation hole and the drain plug seat; the inner and outer front edges of the 509 type differential assembly are arranged at the middle of the automobile rear axle housing assembly, and on the end face of the outer front edge, Chinese lute holes distributed according to a reference circle with a diameter of 508 mm, gaps avoiding driven gears, and the height of center of the distance from the mounting surface of the 509 type differential assembly and of the rear axle housing assembly to the center of the axle housing, form the interfaces of the 509 type retarder assembly. The 509 type differential assembly matches with the rear axle housing assembly, thereby achieving the corresponding requirement and speed ratio of maximum output torque and increasing the climbing capability and carrying capability of vehicles.
Description
Technical field
The utility model relates to the vehicle back axle assembly, and particularly a kind of and 509 type differences subtract the vehicle rear-axle housing assembly structure that assembly is complementary.
Background technology
509 type rear axle housing assemblies, the maximum outside diameter of driven gear that the difference of adorning because of this rear axle housing assembly subtracts in the assembly is that 509mm gains the name.153,457,460,485 type axle case assys (axle assembly) are the popular calls of common bridge housing assy (axle assembly) model in the auto trade.
The technical requirements that 509 type rear axle housing assemblies will satisfy: output torque is at 50000N.m, speed ratio 40/9=4.444; 14 tons of rated loads, leaf spring be apart from 1030mm, and flange is apart from 1448mm, length overall 2119mm; The joining interface of special axle tube and belt wheel hub assembly etc., these parameters have determined 509 type rear axle housing assemblies and 509 type differences to subtract assembly interface size substantially; The joining interface size of axle tube and belt wheel hub assembly etc., show by these interface dimensional characteristics, all there is bigger difference with the interface size of existing 153,457,460,485 type rear axle housing assemblies, when particularly 153,457,460,485 type rear axle housing assemblies use as single back axle, all can not satisfy output torque at 50000N.m, speed ratio 40/9=4.444; 14 tons of rated loads, leaf spring be apart from this requirement of 1030mm, and to develop a kind of axle case assy that satisfies this operating needs extremely urgent for this reason.We are the basis according to existing 153,457,460,485 ripe axle case assy design parameterss and automobile axle housing theory, have redesigned out this novel axle case assy, are mainly used in single back axle assembly of heavy load car, towed vehicle drawing head.By the marketing in early stage and the checking of actual applying working condition, its performance can satisfy predetermined operating needs fully.Also filled up simultaneously the blank of home market to this novel axle case assy demand.
The utility model content
The purpose of this utility model has provided the automobile axle housing assy (hereinafter to be referred as axle case assy) of a kind of reasonable in design, various better performances, and according to aerodynamics, the position of the strict control of fluid mechanics air extractor vent and the position of drain screw, and well special axle tube and axle housing organically are joined together, make the performance of whole axle case assy perform to optimum regime, thus make this novel axle case assy in the actual shipment process more economically, durable, economical.509 type axle case assy structures, it is connected and is formed by axle tube, axle housing, grommet, reinforcing pad, air chamber carrier base, axle housing lid, spring block, drain screw seat, threeway carrier base, axle tube and axle housing be by the grommet weld together, and the axle housing middle part is provided with the installation site that 509 type differences subtract the interface size of assembly and air extractor vent, drain oil plug screw seat.
The technical scheme in the invention for solving the technical problem and the beneficial effect that brings:
1. a kind of stiffness rear axle housing assembly preferably is provided: the cross section of the axle housing of this rear axle housing assembly is that 160X160X14 has guaranteed that this axle housing has good stiffness, avoid rear axle housing assembly bigger degree of disturbing to occur and cause that semiaxis is improper to fracture, influence its service life, also satisfied required applying working condition requirement, also observed as safety member simultaneously axle housing, axle tube this design criteria of taking second place, thereby make axle tube give full play to the purpose in service life, arrive the durable ability that improves this novel rear axle housing assembly.
2. provide a kind of and 509 type differences to subtract the rear axle housing assembly that assembly is complementary: this rear axle housing assembly middle part have install 509 type differences subtract assembly in, outer stopper, (being on the reinforcing pad) 14 Chinese lute holes on the outer face of outer stopper by certain angle and reference circle distribution (reference diameter is 508mm), dodge the breach of driven gear, 509 type differences subtract assembly and the rear axle housing assembly attachment face height of center to the distance at axle housing center, constituted the interface of 509 type speed reducer assemblies, thereby 509 type differences are subtracted assembly and this rear axle housing assembly is complementary, thereby reach the requirement and the speed ratio requirement of corresponding max. output torque, improved the hill climbing ability of vehicle, operating needs under the various operating modes such as carrying capacity, thus make transportation material benefit more economically.
3. provide a kind of connect with axle housing be complementary, with the axle tube of couplings such as 509 type brake wheel belt wheel hub assemblies, brake assembly, neck bearing, outer bearing: at the two ends of 509 type axle case assys are axle tubes, and screw thread specification, axle-shaft oil seal retaining, neck bearing retaining, outer bearing retaining, the oil seal washer that comprises jam nut installed retaining, with drg the size system that is complementary, and the weld size system that is complementary of body etc. is installed.Wherein neck bearing retaining and outer bearing retaining cooperate the assembling of brake wheel belt wheel hub assembly to use together; Oil seal washer between neck bearing retaining and axle tube is installed retaining and is cooperated oil seal washer, axle tube, the assembling of brake wheel belt wheel hub assembly to use; The axle-shaft oil seal retaining cooperates axle tube, semiaxis assembling to use; With drg the size system that is complementary being installed cooperates drg interface size to connect use; Cooperate body, grommet welding requirements to use with the weld size system that body is complementary, thereby other parts beyond the two ends of 509 type axle case assys and the 509 type axle case assys organically are combined and installed together.Particularly make these size systems be fused to and have now in other parts resource of axle case assy that is complementary, thereby make other parts beyond the axle case assy realize the normalisation and the universalization of its parts, thereby reduce the exterior part purchase cost of whole bridge.
4. the design size of a kind of air extractor vent, the excellent position of drain screw Kongzui is provided: the design size of this air extractor vent, the excellent position of drain screw Kongzui is to get by aerodynamics, fluid mechanics design, again the scheme that draws after verifying through stand test, preventing test.Thereby actv. has limited the axle case assy big phenomenon of oil leakage phenomenon, noise inner and inner and that the outside pressure skewness causes that the random design in the position of 509 type rear axle housing assembly pores causes; Actv. has solved that the plug screw that the random design in position of former drain screw causes comes off, loosening phenomenon and the leakage of oil that causes, finally burn parts such as principal and subordinate, moving gear, and the actvies such as iron rust that preferably grinding of the driving and driven gear movement generation of axle case assy in-to-in, retarder produced are got rid of axle case assy.
Description of drawings
Fig. 1 a, Fig. 1 b are vehicle rear-axle housing assembly structure chart of the present utility model;
Among the figure: 1-axle tube, 2-grommet, 3-axle housing, 4-spring block, 5-air chamber carrier base, 6-threeway carrier base, 7-drain screw seat, 8-Chinese lute hole, 9-reinforcing pad, 10-air extractor vent, 11-axle housing lid.
Fig. 2 a, Fig. 2 b are the axle tube figure of automobile axle housing assy of the present utility model
Fig. 3 is automobile axle housing assy of the present utility model and 509 type speed reducers joining Chinese lute hole hole bitmap and air extractor vent, drain screw seat site plan.
Fig. 4 a, Fig. 4 b are the welding connection diagram of this automobile axle housing assy jackshaft shell body and axle tube.
Among the figure: 1-axle tube, 2-grommet, 3-axle housing, 12-weld seam.
Fig. 5 is the axle housing section drawing of this axle case assy.
The specific embodiment
The contrast accompanying drawing is illustrated the embodiment of automobile axle housing assy described in the utility model below:
In following these sizes, unit is millimeter, and the tolerance of these sizes requires to decide according to parts match and different producers.
Shown in Fig. 1 a, Fig. 1 b, 509 axle case assys described in the utility model mainly are made up of axle tube 1, axle housing 3, grommet 2, reinforcing pad 9, air chamber carrier base 5, axle housing lid 11, spring block 4, drain screw seat 7, threeway carrier base 6.Axle tube 1 is by grommet 2 and axle housing 3 weld togethers.Air chamber carrier base 5 be used for when drg connect when bridging the formula drg air chamber support (the high L=101 Λ 106 of air chamber carrier base, optimum dimension is got L=102/105, its screw thread specification is: M
2=(8/6-M16X? )/(8/6-M14X? )/(8/6-M18X?), in the bracket "? " expression can be selected the screw thread of different size for use, and optimum dimension is got M
2=8/6-M14X1.5-6H); When drg is cantilevered, can there be air chamber carrier base 5.Be provided with the inside and outside seam φ that installation 509 type differences subtract assembly at the middle part of axle housing 3
IAnd φ
O, height of center H, the breach of dodging driven gear and Chinese lute hole 8: seam is by inner stopper φ
I(φ
2=φ 468 Λ φ 479, optimum dimension is got φ
I=φ 470) and outer stopper φ
O(φ
O=φ 475 Λ φ 477, optimum dimension is got φ
O=φ 476) constitute; At outer stopper φ
OEnd face on (being on the reinforcing pad 9) be provided with 14 and connect 509 type differences and subtract the Chinese lute hole 8 of assembly (its screw thread specification is: M=(14-M14X? )/(14-M14X? )/(14-M14X?), in the bracket "? " expression can be selected the screw thread of different size for use, and optimum dimension is got M=14-M14X1.5-6H)); , press certain angle and distribution circle and distribute; Height of center H=85 Λ 100, optimum dimension is got H=86.5/87/95.5/97.5/98.Spring block 4 is used for connecting between axle case assy and the leaf spring.Axle housing lid 11 is used for the seal bridge housing assy by welding and axle housing 3 weld togethers, also has a drain screw seat 7 on axle housing lid 11, is used to add gear oil or is used for changing gear oil.Drain screw seat 7 is used to discharge gear oil or is used for changing gear oil and gets rid of the grinding of the driving and driven gear movement generation of axle case assy in-to-in, the iron rust that retarder produces etc.Threeway carrier base 6 is used to connect the threeway support.Axle tube 1 is provided with and axle-shaft oil seal, each gear size that wheel hub, drg etc. matches.
Shown in Fig. 2 a, Fig. 2 b, its axle tube is made of each significant dimensions: (size is mm)
1. axle-shaft oil seal keeps off diameter phi
1=φ 84 Λ φ 86, optimum dimension is got φ
1=φ 85;
2. outer bearing keeps off footpath size φ
2=φ 99 Λ φ 101, optimum dimension is got φ
2=φ 100;
3. semiaxis is by hole internal diameter φ
3=φ 68 Λ φ 71, optimum dimension is got φ
3=φ 70; Semiaxis can fluctuate according to the needs that reality is used by the hole internal diameter;
4. neck bearing keeps off diameter phi
4=φ 109 Λ φ 111, optimum dimension is got φ
4=φ 110;
5. oil seal washer keeps off diameter phi
5=φ 134 Λ φ 136, optimum dimension is got φ
5=φ 135;
6. brake support plate is installed the seam diameter phi
6=φ 135 Λ φ 138, optimum dimension is got φ
6=φ 136;
7. the maximum outside diameter φ of flange
7=φ 206 Λ φ 210, optimum dimension is got φ
7=φ 208;
8. axle tube bolt hole reference diameter φ
8=φ 169 Λ φ 181, optimum dimension is got φ
8=φ 170/180;
9. the axle tube outer face is to oil seal washer attachment face distance L
1=210 Λ 240, optimum dimension is got L
1=211/213/230;
10. the oil seal washer attachment face is to brake support plate attachment face distance L
2=(104 Λ 105)/(96 Λ 98), optimum dimension is got L
2=105.5/105/97;
Can be combined into required on the polytype market, general-duty axle tube 1 according to above these sizes through various combinations, can satisfy 509 type axle tubes 1 and wheel hub, drg, the universalization of jam nut, standard interface requirement fully, also just satisfy user's different operatings needs simultaneously.
As shown in Figure 3:
(specification is: M in 12 Chinese lute holes
2=(12-M16X? )/(12-M14X? )/(12-M18X?) in the bracket "? " expression can be selected the screw thread of different size for use, and optimum dimension is got M
2=12-M16X1.5-6H) be exactly (optimum distribution that distributes so as shown in FIG., its reference circle is 508), also have two breach at above-below direction, be used to dodge the driven gear that 509 type differences subtract assembly, add the inside and outside seam size shown in Fig. 1, and height of center, just constitute the standard interface that 509 type differences subtract assembly.Thereby preferably 509 type differences being subtracted assembly has linked up preferably with these 509 type axle case assys.An air extractor vent 10 that is positioned at driven gear driving surface heteropleural is arranged on axle housing 3 in addition, allow atmosphere communicate, be used for balance bridge housing assy inside because of main driven gear rotation and the mobile high pressure that causes of gear oil, and reduce noise with axle case assy inside; Also has a drain screw seat 7, when drain oil plug screw seat 7 positions are positioned at the inclined to one side 24 degree positions of axle housing center below center line, it is the design that rationalizes most, because this position is positioned at driven gear driving surface side, main, the grinding that the driven gear motion produces, the iron rust that retarder produces etc. will will flow to the position in this plug screw seat hole along with the motion of driven gear, at last attached on the magnetic plug screw, to help like this flowing out when grinding is changed gear oil along with the user, and can not cause magnetic plug screw and uneven road surface to impact because of crossing ability is bad and cause the loosening and obscission of magnetic plug screw, because when the drain oil position was positioned at the inclined to one side 24 degree positions of axle housing center below center line, the nadir of its magnetic plug screw was higher than axle housing dress difference and subtracts maximum cylindrical (as shown in Figure 3) nadir of assembly place tooth bag.
As shown in Figure 4, axle tube 1 is to be welded by grommet 2 with engaging of axle housing 3, all there is special requirement in the crack between the outside diameter of axle tube 1, axle housing 3, grommet 2 and interior circular diameter and the three, only in this way could guarantee good welding performance, and good whole axle case assy stiffness performance.According to the overall performance of this axle case assy, list its requirement:
1. for axle tube 1 and axle housing 3, the thickness (φ after machine adds (for grommet 2 is installed)
12-φ
11) ÷ 2, add the thickness (φ of grommet
10-φ
9) ÷ 2, the integral thickness (φ the when axle case assy that obtains welds herein
12-φ
11) ÷ 2+ (φ
10-φ
9) ÷ 2 must be satisfied: (φ
12-φ
11) ÷ 2+ (φ
10-φ
9) ÷ 2 〉=σ+3.The utility model is in order to guarantee that good stiffness requires, welding performance, and for the good overall dimensions unification the overall dimensions of former axle tube 1, this axle housing 3 combines, so get φ
12=177 Λ 183, optimum dimension is got φ
12=180; φ
11=150 Λ 156, optimum dimension is got φ
11=154.
2. for guaranteeing good welding performance; if employing gas shield welding; must be in conjunction with factory's welding gear; guarantee the V groove angle and the welded gaps Z of axle tube 1 and axle housing 3; the utility model adopts 20 ° of V groove angle θ=10 ° Λ; optimum dimension is got 15 degree, and welded gaps Z=5 welds high N and guarantees at 1-3mm.If adopt vacuum electron beam welding can square groove, do not stay welded gaps.
As shown in Figure 5, by the checking of calculation of strength, finite element analysis scheduling theory, and preventing test has objectively been proved the axle housing cross section of wanting the utility model axle case assy to have good stiffness and should be A * B * τ=160 * 160 * (14 Λ 18).
Claims (5)
1. automobile axle housing assy, it is characterized in that: 509 type axle case assy structures, it is connected and is formed by axle tube (1), axle housing (3), grommet (2), reinforcing pad (9), air chamber carrier base (5), axle housing lid (11), spring block (4), drain screw seat (7), threeway carrier base (6), axle tube (1) and axle housing (3) be by grommet (2) weld together, and axle housing (3) middle part is provided with the installation site that 509 type differences subtract the interface size of assembly and air extractor vent (10), drain oil plug screw seat (7).
2. by the described automobile axle housing assy of claim 1, it is characterized in that: the scantling of structure of axle tube (1) and parts thereof is that mm is as follows in the 509 type axle case assys:
1. axle-shaft oil seal keeps off diameter phi
1=φ 84 Λ φ 86, or φ
1=φ 85;
2. outer bearing keeps off footpath size φ
2=φ 99 Λ φ 101, or φ
2=φ 100;
3. semiaxis is by hole internal diameter φ
3=φ 68 Λ φ 71, or φ
3=φ 70; Semiaxis is by the hole internal diameter φ 1-5 that can fluctuate;
4. neck bearing keeps off diameter phi
4=φ 109 Λ φ 111, or φ
4=φ 110;
5. oil seal washer keeps off diameter phi
5=φ 134 Λ φ 136, or φ
5=φ 135;
6. brake support plate is installed the seam diameter phi
6=φ 135 Λ φ 138, or φ
6=φ 136;
7. the maximum outside diameter φ of flange
7=φ 206 Λ φ 210, or φ
7=φ 208;
8. axle tube bolt hole reference diameter φ
8=φ 169 Λ φ 181, or φ
8=φ 170/180;
9. the axle tube outer face is to oil seal washer attachment face distance L
1=210 Λ 240, or L
1=211/213/230;
10. the oil seal washer attachment face is to brake support plate attachment face distance L
2=(104 Λ 105)/(96 Λ 98), or L
2=105.5/105/97;
3. by the described automobile axle housing assy of claim 1, it is characterized in that: the middle part of axle housing (3) is provided with the inside and outside seam 509 type differences being installed subtracting assembly, height of center H, the breach of dodging driven gear and Chinese lute hole (8) in the 509 type axle case assys: seam is by inner stopper φ
I, φ
2=φ 468 Λ φ 479, or φ
I=φ 470 and outer stopper φ
O, φ
O=φ 475 Λ φ 477, or φ
O=φ 476 constitutes; At outer stopper φ
OEnd face on, that reinforcing pad (9) is provided with 14 and connects its screw thread specification of Chinese lute hole (8) that 509 type differences subtract assembly and be: M=(14-M14X? )/(14-M14X? )/(14-M14X?), in the bracket "? " select the screw thread of different size for use, or (M=14-M14X1.5-6H), press certain angle and distribution circle and distribute; Height of center H=85 Λ 100, or H=86.5/87/95.5/97.5/98; The position of air extractor vent (10) and drain screw seat (7) is that the position that is provided with an air extractor vent (10) that is positioned at driven gear driving surface heteropleural, drain oil plug screw seat (7) on axle housing is positioned at the inclined to one side 24 degree positions of below, axle housing center center line and is provided with.
4. by the described automobile axle housing assy of claim 1, it is characterized in that: axle tube (1) and axle housing (3) is welded to connect in the 509 type rear axle housing assemblies, to axle tube (1) and axle housing (3) for grommet (2) being installed, the thickness (φ after machine adds
12-φ
11) ÷ 2, add the thickness (φ of grommet
11-φ
10) integral thickness (the φ when axle case assy that obtains of ÷ 2 welds herein
12-φ
11) ÷ 2+ (φ
10-φ
9) ÷ 2 must be satisfied: (φ
12-φ
11) ÷ 2+ (φ
10-φ
9) ÷ 2 〉=σ+3; φ is got in the unified and combination of the overall dimensions of this axle housing (3)
12=177 Λ 183, or φ
12=180; φ
11=150 Λ 156, or φ
11=154; The V groove angle and the welded gaps Z of axle tube (1) and axle housing (3), adopting the V groove angle is 20 ° of θ=10 ° Λ, or 15 degree, welded gaps Z=5.
5. by the described automobile axle housing assy of claim 1, it is characterized in that: axle housing (3) this axle housing cross section is A * B * τ=160 * 160 * (14 Λ 18) in the 509 type rear axle housing assemblies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205292126U CN202029647U (en) | 2010-09-09 | 2010-09-09 | Automobile rear axle housing assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205292126U CN202029647U (en) | 2010-09-09 | 2010-09-09 | Automobile rear axle housing assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202029647U true CN202029647U (en) | 2011-11-09 |
Family
ID=44891958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205292126U Expired - Fee Related CN202029647U (en) | 2010-09-09 | 2010-09-09 | Automobile rear axle housing assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202029647U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103507568A (en) * | 2012-06-25 | 2014-01-15 | 蓬莱万寿机械有限公司 | Driving axle housing |
| CN103612543A (en) * | 2013-12-06 | 2014-03-05 | 上汽通用五菱汽车股份有限公司 | Rear axle housing assembly of automobile |
| CN113172319A (en) * | 2021-05-11 | 2021-07-27 | 湖南中联重科车桥有限公司 | Welding assembly and welding test method for welding test of axle tube and axle housing |
-
2010
- 2010-09-09 CN CN2010205292126U patent/CN202029647U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103507568A (en) * | 2012-06-25 | 2014-01-15 | 蓬莱万寿机械有限公司 | Driving axle housing |
| CN103612543A (en) * | 2013-12-06 | 2014-03-05 | 上汽通用五菱汽车股份有限公司 | Rear axle housing assembly of automobile |
| CN103612543B (en) * | 2013-12-06 | 2016-02-03 | 上汽通用五菱汽车股份有限公司 | A kind of rear axle housing assembly of automobile |
| CN113172319A (en) * | 2021-05-11 | 2021-07-27 | 湖南中联重科车桥有限公司 | Welding assembly and welding test method for welding test of axle tube and axle housing |
| CN113172319B (en) * | 2021-05-11 | 2022-06-07 | 湖南中联重科车桥有限公司 | Welding assembly and welding test method for welding test of axle tube and axle housing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111109 Termination date: 20140909 |
|
| EXPY | Termination of patent right or utility model |