CN203637459U - Low trapdoor type driving axle housing - Google Patents
Low trapdoor type driving axle housing Download PDFInfo
- Publication number
- CN203637459U CN203637459U CN201320876628.9U CN201320876628U CN203637459U CN 203637459 U CN203637459 U CN 203637459U CN 201320876628 U CN201320876628 U CN 201320876628U CN 203637459 U CN203637459 U CN 203637459U
- Authority
- CN
- China
- Prior art keywords
- axle housing
- axle
- low floor
- cone portion
- main cone
- Prior art date
- 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.)
- Expired - Lifetime
Links
- 230000007704 transition Effects 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 3
- 239000003638 chemical reducing agent Substances 0.000 abstract 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract 1
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 208000020442 loss of weight Diseases 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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- Vehicle Body Suspensions (AREA)
Abstract
The utility model provides a low trapdoor type driving axle housing which comprises an axle tube, an axle housing coning part and an axle housing coned part. The axle tube and the axle housing coning part are integrally connected through a large transition circular arc. The axle housing coning part and the axle housing coned part are integrally connected and used as an installation housing for a main reducer and a differential mechanism. A plurality of reinforcing ribs are arranged on the outer side of the axle housing coning part. According to the low trapdoor type driving axle housing, a traditional main reducer housing, a bearing pedestal, the axle housing and a track bar bracket are integrated innovatively and integrally cast, different working conditions encountered by an automobile in the actual driving process are taken into consideration on the basis of the finite element analysis, and the structural sizes such as the cross section and the thickness of the axle housing are designed again; on the basis that the bearing capacity of the axle housing is ensured, the torsional performance and bearing capacity of the axle housing are improved, the weight of the axle housing is effectively reduced, and meanwhile the using requirement of the low trapdoor type driving axle is met.
Description
Technical field
The utility model belongs to vehicular spare parts technical field, is specifically related to a kind of passenger vehicle lightweight low floor portal drive axle axle housing structure.
Background technology
For traditional drive axle, its power input is the fore-and-aft direction along car load, transmission of power carries out power commutation by a pair of driving and driven bevel gear, the speed reduction gearing to wheel limit by the transmission of power on driven wheel of differential again, to realize the object of deceleration and transmitting torque, but whole transmittance process is along straight line output, there is no drop, make the center of gravity of whole bridge higher, increased difficulty to suspension arrangement.And for car load, especially city bus is in operation and has that website is intensive, passenger getting on/off feature frequently, therefore floor level is directly connected to comfort feature, traveling comfort and the safety that passenger takes, gets on or off the bus in the car of passenger vehicle, especially for the elderly, disabled person, the special population such as mother, band luggage passenger with perambulator.So in order to meet passenger comfort feature, traveling comfort and safety that especially special population is taken, got on or off the bus, and improve the stationarity of passenger vehicle driving, objectively require the center of gravity of passenger vehicle drive axle lower, how maximum constraints reduces passenger vehicle need to be started with from the axle housing structure of himself with the height of gate-type bridge, therefore provides a kind of weight-saving low floor portal drive axle axle housing significant for improving passenger vehicle performance.
In prior art, drive axle used is made up of the main assembly, axle case assy, wheel limit assembly three parts of subtracting, master subtracts assembly and is fixedly connected with axle case assy by border bolt, the split design that this master subtracts assembly and axle case assy exists leakage of oil risk to a certain extent, and it is large to take up room, can not meet the space arrangement requirement of low floor portal drive axle, existing master subtracts the design heaviness of the parts such as the axle housing in bevel housing and the axle case assy in assembly itself in addition, structure is too complicated, gives and arranges increase difficulty and improved cost.
Utility model content
The utility model is based on above-mentioned prior art problem, for meeting the operating needs of passenger vehicle low floor portal drive axle, innovation proposition a kind of brand-new weight-saving low floor portal drive axle axle housing, by by the bearing seat in conventional drive bridge, final drive casing, driving axle housing, track bar bracket four major parts combine together, inblock cast, and based on finite element analysis, consider the different operating modes that automobile runs in actual travel process, to the cross section of axle housing, the scantling of structure such as thickness have been carried out brand-new design, guaranteeing on the basis of axle housing load-carrying capacity, effectively alleviate the weight of axle housing, met the operating needs of low floor portal drive axle simultaneously.
It is as follows that the utility model solves the problems of the technologies described above taked technical scheme:
A kind of low floor portal drive axle axle housing, comprise that bridge tube 1, axle housing main cone portion 3 and axle housing are by tapering 4, described low floor portal drive axle axle housing has integral structure on the whole, concrete described bridge tube 1 is connected by transition great circle arc 7 one with axle housing main cone portion 3, and described axle housing main cone portion 3 is connected by tapering 4 one with axle housing and as leading the holder housing that subtracts assembly.
Further according to low floor portal drive axle axle housing described in the utility model, the cross-sectional plane of wherein said bridge tube 1 is sealing ring structure, comprise three straight flanges and two sections of arc sections 6, two sections of arc sections 6 are spliced into the arc-shaped edges of sealing ring mutually, article three, straight flange other three limits in sealing ring respectively, and arc transition is all used in its intersection.
Further, according to low floor portal drive axle axle housing described in the utility model, the holder housing that wherein said axle housing main cone portion 3 and axle housing are formed by tapering 4 is simultaneously as final drive casing and bearing seat.
Further, according to low floor portal drive axle axle housing described in the utility model, between the cavity of wherein said bridge tube 1 and axle housing main cone portion 3, be provided with the oil through 14 of rectangular cross sectional shape.
Further according to low floor portal drive axle axle housing described in the utility model, the some reinforced ribs 8,9 of arranged outside of wherein said axle housing main cone portion 3.
Further according to low floor portal drive axle axle housing described in the utility model, between the line of centers of wherein said axle housing main cone portion 3 and horizontal direction, be formed with angle.
Further according to low floor portal drive axle axle housing described in the utility model, the bottom of wherein said axle housing main cone portion 3 is provided with axle housing oil sealing portion 5, and the end face of described axle housing oil sealing portion 5 is provided with circular deep trouth 10.
Further, according to low floor portal drive axle axle housing described in the utility model, wherein also include track bar bracket 2, described track bar bracket 2 one are connected in the sidewall of described bridge tube 1.
Further, according to low floor portal drive axle axle housing described in the utility model, wherein said track bar bracket 2 entirety have V-structure, and are provided with the lightening grooves 15 of triangular structure and the symmetrical gap 16 of triangular structure thereon.
Further according to low floor portal drive axle axle housing described in the utility model, the cross-sectional plane of wherein said axle housing main cone portion 3 is U-shaped cross section 11, the bottom in described U-shaped cross section 11 is plane 12, the axle housing oil sealing portion 5 that the open end in U-shaped cross section 11 arranges axle housing main cone portion 3 bottoms, described axle housing is round section 13 by the cross-sectional plane in tapering 4.
At least can reach following technique effect by the technical solution of the utility model:
1), the thinking that breaks traditions of the axle housing structure that provides, final drive casing, bearing seat, axle housing, V-type track bar bracket are combined together, inblock cast, assembling and the layout of the low floor drive axle of being more convenient for;
2), the bridge tube cross section in axle housing has adopted three straight flanges to add the structure of two identical arc sections, bridge tube and axle housing main cone portion adopt great circle arc transition, strengthen the integrated carrying ability of axle housing, strengthened bending fillet size simultaneously, optimize and distributed vertical, the horizontal bending resistant section coefficient of axle housing, torsional property and the load-carrying capacity of axle housing are increased dramatically;
3), by circular deep trouth being set at the end face of axle housing oil sealing portion, coordinate with dust boot and can better play dustproof effect;
4), based on finite element analysis, axle housing under different operating modes is analyzed, and on this basis axle housing has further been done to optimal design, and on the basis that guarantees axle housing load-carrying capacity and sufficient lubrication, reduce axle housing weight, meet the operating needs of low floor portal drive axle.
Accompanying drawing explanation
What accompanying drawing 1 was low floor portal drive axle axle housing described in the utility model faces structural representation.
Accompanying drawing 2 is the cross-sectional view of the tube portion of axle housing jackshaft shown in accompanying drawing 1.
Accompanying drawing 3 for axle housing shown in accompanying drawing 1 along X to look closely structural representation.
Accompanying drawing 4 is the cross-sectional view along A-A line in accompanying drawing 3.
In figure, the implication of each Reference numeral is as follows:
1-bridge tube; 2-track bar bracket; 3-axle housing main cone portion; 4-axle housing is by tapering; 5-axle housing oil sealing portion; 6-arc section; 7-transition great circle arc; 8-reinforced rib; 9-reinforced rib; The circular deep trouth of 10-; 11-U type cross section; 12-plane; 13-round section; 14-oil through; 15-lightening grooves; The symmetrical gap of 16-.
The specific embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in detail, so that those skilled in the art can more clearly understand the utility model, but does not therefore limit protection domain of the present utility model.
As shown in Figure 1, lightweight low floor portal drive axle axle housing for passenger vehicle provided by the utility model, innovation final drive casing, bearing seat, common Drive axle housing and track bar bracket are combined together, and adopt integral type casting.Structurally comprise that bridge tube 1, track bar bracket 2, axle housing main cone portion 3 and the axle housing of one connection are by tapering 4, the effect of described bridge tube 1 is similar to existing Drive axle housing, the cross-sectional plane of the described bridge tube 1 of innovation comprises three straight flanges and two sections of arc sections 6, as shown in Figure 2, two sections of arc sections 6 are spliced into the arc-shaped edges of bridge tube cross-sectional plane mutually, article three, straight flange other three limits in bridge tube cross-sectional plane respectively, and arc transition is all used in its intersection.Described bridge tube 1 adopts transition great circle arc 7 one to be connected with axle housing main cone portion 3, has strengthened bending fillet size, optimizes and has distributed vertical, the horizontal bending resistant section coefficient of axle housing, and torsional property and the load-carrying capacity of axle housing get a promotion.Further, at two reinforced ribs of arranged outside 8 and 9 of described axle housing main cone portion 3, guarantee that axle housing has high rigidity and intensity in loss of weight.The bottom of described axle housing main cone portion 3 arranges axle housing oil sealing portion 5, the opposite side of described axle housing main cone portion 3 is connected with axle housing by tapering 4, described axle housing main cone portion 3 and axle housing are by the installation cavity of the parts such as the common composition main reduction gear in tapering 4, diff, and simultaneously as the housing of main reduction gear and the installation shaft bearing of drive bevel gear, that is to say that main reduction gear and drive bevel gear etc. can directly be installed on axle housing main cone portion 3 and axle housing by the housing inner chamber in tapering 4, the setting of having saved bearing seat and final drive casing.The cross-sectional plane of described axle housing main cone portion 3 is U-shaped cross section 11, and as shown in Figure 3, the bottom in U-shaped cross section is plane 12, and the peristome in U-shaped cross section is in the face of axle housing oil sealing portion 5, and described axle housing is round section 13 by the cross-sectional plane in tapering 4.And between the cavity of bridge tube 1 and axle housing main cone portion 3, oil through 14 is set, cross sectional shape is rectangle.By connecting the axle housing main cone portion 3 of described structure and axle housing in the transition of bridge tube end great circle arc by tapering 4, make the structure of axle housing entirety more compact small and exquisite, reduce volume read-out, save arrangement space, can arrange more easily frock.Further as shown in Figure 3, line of centers and the horizontal direction of described axle housing main cone portion 3 are formed with certain angle, to guarantee the assembly relation of drive axle assembly and car load.The end face of described axle housing oil sealing portion 5 is further provided with circular deep trouth 10, as shown in Figure 4, thereby guarantees can play better dustproof effect while cooperation with dust boot.Described track bar bracket 2 is integrally formed at the sidewall of bridge tube 1, preferably adopt V-type track bar bracket structure, and adopt light-weight design, the lightening grooves 15 of design triangle shape structure and the symmetrical gap 16 of two triangular structures on the track bar bracket 2 of V-type, as shown in Figure 1, thus reduce to greatest extent axle housing weight.
Low floor portal drive axle axle housing described in the utility model is in the time installing and using, the parts such as main reduction gear, diff are installed in the axle housing inner chamber that axle housing main cone portion and axle housing formed by tapering, wherein the drive bevel gear of main reduction gear is directly supported in axle housing inner chamber by tapered roller bearing, the axle housing that wheel reduction gear assembly is directly connected in to axle housing by bolt is by tapering, more mounting wheel limit brake assembly and C type beam form passenger vehicle low floor portal drive axle.
Below be only that preferred implementation of the present utility model is described; the technical solution of the utility model is not limited to this; the any known distortion that those skilled in the art do on the basis of major technique design of the present utility model all belongs to the claimed technology category of the utility model, and the concrete protection domain of the utility model is as the criterion with the record of claims.
Claims (10)
1. a low floor portal drive axle axle housing, it is characterized in that, comprise that bridge tube (1), axle housing main cone portion (3) and axle housing are by tapering (4), described low floor portal drive axle axle housing has integral structure on the whole, concrete described bridge tube (1) is connected by transition great circle arc (7) one with axle housing main cone portion (3), and described axle housing main cone portion (3) is connected and subtracts as master the holder housing of assembly by tapering (4) one with axle housing.
2. low floor portal drive axle axle housing according to claim 1, it is characterized in that, the cross-sectional plane of wherein said bridge tube (1) is sealing ring structure, comprise three straight flanges and two sections of arc sections (6), two sections of arc sections (6) are spliced into the arc-shaped edges of sealing ring mutually, article three, straight flange other three limits in sealing ring respectively, and arc transition is all used in its intersection.
3. low floor portal drive axle axle housing according to claim 1, is characterized in that, the holder housing that described axle housing main cone portion (3) and axle housing are formed by tapering (4) is simultaneously as final drive casing and bearing seat.
4. low floor portal drive axle axle housing according to claim 1, is characterized in that, is provided with the oil through (14) of rectangular cross sectional shape between the cavity of described bridge tube (1) and axle housing main cone portion (3).
5. low floor portal drive axle axle housing according to claim 1, is characterized in that, the some reinforced ribs of arranged outside (8,9) of described axle housing main cone portion (3).
6. low floor portal drive axle axle housing according to claim 1, is characterized in that, between the line of centers of described axle housing main cone portion (3) and horizontal direction, is formed with angle.
7. low floor portal drive axle axle housing according to claim 1, is characterized in that, the bottom of described axle housing main cone portion (3) is provided with axle housing oil sealing portion (5), and the end face of described axle housing oil sealing portion (5) is provided with circular deep trouth (10).
8. low floor portal drive axle axle housing according to claim 1, is characterized in that, also includes track bar bracket (2), and described track bar bracket (2) one is connected in the sidewall of described bridge tube (1).
9. low floor portal drive axle axle housing according to claim 8, is characterized in that, described track bar bracket (2) entirety has V-structure, and is provided with the lightening grooves (15) of triangular structure and the symmetrical gap (16) of triangular structure thereon.
10. according to the low floor portal drive axle axle housing described in claim 1-9 any one, it is characterized in that, the cross-sectional plane of described axle housing main cone portion (3) is U-shaped cross section (11), the bottom in described U-shaped cross section (11) is plane (12), the axle housing oil sealing portion (5) that the open end in U-shaped cross section (11) arranges axle housing main cone portion (3) bottom, described axle housing is round section (13) by the cross-sectional plane of tapering (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320876628.9U CN203637459U (en) | 2013-12-26 | 2013-12-26 | Low trapdoor type driving axle housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320876628.9U CN203637459U (en) | 2013-12-26 | 2013-12-26 | Low trapdoor type driving axle housing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203637459U true CN203637459U (en) | 2014-06-11 |
Family
ID=50868735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320876628.9U Expired - Lifetime CN203637459U (en) | 2013-12-26 | 2013-12-26 | Low trapdoor type driving axle housing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203637459U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107429819A (en) * | 2015-06-23 | 2017-12-01 | 吉凯恩传动***日本株式会社 | Differential casing |
-
2013
- 2013-12-26 CN CN201320876628.9U patent/CN203637459U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107429819A (en) * | 2015-06-23 | 2017-12-01 | 吉凯恩传动***日本株式会社 | Differential casing |
| US10465785B2 (en) | 2015-06-23 | 2019-11-05 | Gkn Driveline Japan Ltd | Differential case |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140611 |
|
| CX01 | Expiry of patent term |