CN101244682A - Shaft support device driven with turning drive axle - Google Patents
Shaft support device driven with turning drive axle Download PDFInfo
- Publication number
- CN101244682A CN101244682A CNA2007100050087A CN200710005008A CN101244682A CN 101244682 A CN101244682 A CN 101244682A CN A2007100050087 A CNA2007100050087 A CN A2007100050087A CN 200710005008 A CN200710005008 A CN 200710005008A CN 101244682 A CN101244682 A CN 101244682A
- Authority
- CN
- China
- Prior art keywords
- drive axle
- inner covering
- shaft
- support device
- shaft support
- 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.)
- Granted
Links
Images
Landscapes
- Sealing Devices (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The invention discloses a steering drive axle driving axle shaft support device, comprising an outer sleeve 1, an elastic rubber 2 and an inner bushing 3; wherein, the external diameter of the outer sleeve 1 closely transition fits with the drive axle shell 12 rabbet; the inner bushing 3 and the outer sleeve1 becomes an integral through the elastic rubber 2, the inner bushing 3 and the inner axle shaft 10 clearance fit with each other; the inner bushing 3 has the installation position of the oil seal 6 at one end of the drive axle shell rabbet, preferentially, wherein the inner diameter of the inner bushing 3 has major diameter section and minor diameter section; the inner diameter clearance fitting with the inner axle shaft 10 has minor diameter section; the interface of the major diameter section and the minor diameter section forms a treppe towards the outside of the drive axle shell 12, the treppe being the installation position of the oil seal 6. The steering drive axle driving axle shaft support device has the advantages of effectively supporting the drive axle driving axle shaft inner axle shaft and preventing the liquid lubricating oil in the drive axle shell from leaking.
Description
Technical field
The present invention relates to automotive technology, specifically, relate to a kind of shaft support device driven with turning drive axle.
Background technology
In work such as truck, lilliput car, driving engine produces power, pass to drive axle by power-transfer clutch, change-speed box (4 * 4 comprise part-time case) and transmission shaft, propulsive effort turns to jack shaft about being assigned to by the drive axle differential side gear, by turning to jack shaft to drive wheel, make automobile produce motion.Turn to jack shaft except that transferring power, also change the transmission of power direction according to the turn inside diameter needs.
The hinge device that turns to jack shaft to be divided into inner shaft, outer semiaxis and inside and outside semiaxis is connected together.Axle side gear in inner shaft one end and the drive axle axle housing matches, and the other end connects outer semiaxis one end by hinge, and the outer semiaxis other end cooperates with steering wheel hub.Inner shaft is delivered to outer semiaxis with its propulsive effort that turns to from the axle side gear acquisition by described hinge, and outer semiaxis turns to propulsive effort to pass to wheel hub this, thereby realizes transmission of power and turn to.
One section of the close axle side gear of described inner shaft is installed in the drive axle axle housing, this drive axle axle housing internal memory is useful on the liquid lubricating oil of lubricated Transmission, makes the mating part on the go of inner shaft, especially inner shaft and described axle side gear obtain lubricated timely.
Under the prior art condition, in order to prevent oil seepage in the drive axle axle housing, the stop portion that stretches out the drive axle axle housing at described semiaxis adopts oil sealing sealing.This oil sealing is installed on the described inner shaft oil sealing footpath, realizes sealing.
Under prior art, inner shaft distance between axle side gear and hinge is longer, again owing to there is inevitable manufacturing errors, make on the intersection point that is in inner shaft center of gyration line and stub center of gyration line that hinge can not be correct, so inner shaft is when doing gyroscopic movement, to produce radial vibration, depart from rotation axis, oil sealing can form the excessive gap of moment under the influence of inner shaft radial vibration, make oil seal failure, thereby cause liquid oil seepage.
For above problem, a solution is to increase rigid bearing at drive axle axle housing stop portion and support.But this mode can produce interference owing to the center of gyration line disalignment of manufacturing errors generation inner shaft axis and bearing, grinding phenomenon occurs, causes transmission failure.
Summary of the invention
At above-mentioned defective, the technical matters that the present invention solves is, a kind of shaft support device driven with turning drive axle is provided, this bracing or strutting arrangement can be realized effective seal to drive axle axle housing stop portion, avoid because the liquid oil seepage that manufacturing errors causes, and can produce resilient mounting to jack shaft, overcome the oil seal failure that the radial vibration owing to jack shaft causes.
Shaft support device driven with turning drive axle provided by the invention comprises outer tube 1, elastic caoutchouc 2 and inner covering 3; The external diameter of described outer tube 1 and drive axle axle housing 12 seams are tight transition fit; Described inner covering 3 is one, described inner covering 3 and inner shaft 10 free-running fits with described outer tube 1 by described elastic caoutchouc 2 gummeds; Described inner covering 3 has the installation site of oil sealing 6 at drive axle axle housing seam one end.
Preferably, described inner covering 3 internal diameters have big footpath section and path section, and described and internal diameters inner shaft 10 free-running fits are the internal diameter of path section; The interface of big footpath section, path section forms the cascaded surface to described drive axle axle housing 12 outsides, and this cascaded surface is the installation site that oil sealing 6 provides.
Preferably, have screw-shaped oil groove 4 on described inner covering 3 internal diameters, oil groove 4 all has opening at the cascaded surface of described inner covering 3 and the end face side of path section.
Preferably, on the described elastic caoutchouc 2, from path one end near inner covering 3, have the logical oily window 5 in 4 places to the other end, this logical oily window 5 reaches on the cascaded surface of described inner covering 3 always.
Preferably, described outer tube 1 is stair-stepping sleeve pipe for internal diameter, external diameter, and its ladder direction is identical with inner covering 3; The external diameter that cooperates with inwalls described and drive axle axle housing 12 seams is the external diameter of big footpath section.
Preferably, after this device installation, described oil sealing 6 is inlayed in the big footpath section sleeve pipe that is installed in inner covering 3, and entangles the external diameter of inner shaft 10.
Preferably, after this device installation, during work, between the path section internal diameter of described inner covering 3 and the described inner shaft 10 outer diametric planes gap that has lubricating oil, make between the path section inwall of described inner shaft 10 outer diametric planes and inner covering 3 and form oil film, play the plain bearing effect.
Lilliput car shaft support device driven with turning drive axle provided by the invention compared with prior art has remarkable advantages.
At first, the shaft support device driven with turning drive axle that the preferred embodiment of the present invention provides adopts outer tube, elastic caoutchouc and inner covering unitized construction, be installed in drive axle axle housing stop portion, can realize resilient mounting, reduce and absorb the radial vibration of inner shaft the drive axle inner shaft.Because between the outer diametric plane of inner covering path section inner diameter wall and inner shaft is free-running fit, the lubricating oil in the drive axle axle housing can retain between the two, makes it to form oil film and cooperates, and plays the plain bearing effect.
Secondly, realize that this bracing or strutting arrangement provides the installation site for oil sealing in the preferred embodiments of the present invention.Described oil sealing is embedded in the inner covering, and oil sealing can be followed the inner covering motion, makes oil sealing keep correct cooperating with inner shaft all the time.
In a word, adopt bracing or strutting arrangement provided by the invention, can realize effective support of subtend drive axle jack shaft inner shaft, and can prevent the liquid oil seepage in the drive axle axle housing.
Description of drawings
The assembly drowing of the shaft support device driven with turning drive axle that Fig. 1 provides for first embodiment of the invention;
Fig. 2 is the mechanical construction drawing of jack shaft bracing or strutting arrangement 11 shown in Figure 1;
Fig. 3 is that jack shaft bracing or strutting arrangement 11 shown in Figure 1 is installed seal ring front section view afterwards.
The specific embodiment
Please referring to Fig. 1, the assembly drowing of the shaft support device driven with turning drive axle that provides for first embodiment of the invention.
As shown in Figure 1, the hinge device 9 that turns to jack shaft to be divided into inner shaft 10, outer semiaxis 8 and inside and outside semiaxis is connected together.Inner shaft 10 matches with axle side gear in being installed in drive axle axle housing 12, and outer semiaxis 8 cooperates with steering wheel hub 7, between the two by hinge 9 realization transmission of powers with turn to.
Described inner shaft 10 is positioned at drive axle axle housing 12 near the part of axle side gear, has liquid lubricating oil in this drive axle axle housing 12.
In the present embodiment, at the stop portion of drive axle axle housing 12, jack shaft bracing or strutting arrangement 11 is installed, this device is used to connect drive axle axle housing 12 and inner shaft 10, makes inner shaft 10 obtain resilient mounting at this place.The more important thing is that this jack shaft bracing or strutting arrangement 11 can also seal the seam of drive axle axle housing 12, prevent the liquid oil seepage in drive axle axle housing 12.
Please referring to Fig. 2, this figure is the mechanical construction drawing of described jack shaft bracing or strutting arrangement 11.Wherein, left part is the right elevation of this jack shaft bracing or strutting arrangement 11, and the right side is divided into its front section view.And please be simultaneously referring to Fig. 3, this figure is that described jack shaft bracing or strutting arrangement 11 is installed seal ring front section view afterwards.
As shown in Figure 2, this jack shaft bracing or strutting arrangement 11 is made up of metal jacket pipe 1, elastic caoutchouc 2 and metal inner lining cover 3.Described metal jacket pipe 1 is stair-stepping sleeve pipe for internal diameter, external diameter, and the seam of the outer wall of its big footpath section and described drive axle axle housing 12 inwalls is transition fit closely.Described metal inner lining cover 3 is similarly internal diameter, external diameter is stair-stepping sleeve pipe, and assembles with identical ladder direction with outer tube 1, and the inwall of its path is used for the free-running fit with inner shaft 10; Its big footpath section and path section junction form cascaded surface, when this cascaded surface is installed to the outside of described drive axle axle housing 12; Simultaneously, have on the inwall of the path of described inner covering 3 helix around oil groove 4.Described elastic caoutchouc 2 is installed between outer tube 1 and the inner covering 3, realizes that the elasticity of the two connects.On the described elastic caoutchouc 2, from path one end near outer tube 1, inner covering 3, have the logical oily window 5 of annular everywhere to the other end, this logical oily window 5 reaches on the cascaded surface of described inner covering 3 always.As shown in Figure 3, seal ring 6 is installed in the inside pipe casing of the big footpath section of inner covering 3.The internal diameter of sealing circle 6 is enclosed within on the inner shaft 10, the internal diameter Elastic Contact of external diameter and inner covering 3.
Please continue referring to Fig. 3, below the mounting means of this jack shaft bracing or strutting arrangement 11 of explanation.
Described jack shaft bracing or strutting arrangement 11 is installed in drive axle axle housing 12 stop portions, specifically is that its installation direction is that the path section is towards drive axle axle housing 12 inside with the external diameter of the big footpath section of outer tube 1 and the tight transition fit of inwall of drive axle axle housing 12; This structure is fixed on the internal diameter of drive axle axle housing 12 jack shaft bracing or strutting arrangement 11.Described inner covering 3 is enclosed within on inner shaft 10 external diameters, and the inner-diameter portion whose of its path section cooperates with inner shaft 10 crest clearances.On the casing inner diameter of the big footpath section of described inner covering 3, as previously mentioned, seal ring 6 is installed also.
Introduce the principle of work of this jack shaft bracing or strutting arrangement 11 below in conjunction with Fig. 3.
Because have certain clearance between the inwall of inner covering 3 path sections and inner shaft 10 external diameters, the liquid lubricating oil in the drive axle axle housing 12 can flow into this gap; Therefore, in fact, there is lubricating oil between the inwall of the path section of inner shaft 10 outer diametric planes and inner covering 3, makes it to form oil film, play the plain bearing effect.This fit system makes the high speed revolution of inner shaft 10 not influenced by jack shaft bracing or strutting arrangement 11, and simultaneously, jack shaft bracing or strutting arrangement 11 produces the resilient mounting effect to inner shaft 10 again.For lubricating oil can be flowed in the space between inner covering 3 internal diameters and inner shaft 10 external diameters smoothly, special in inner covering 3 internal diameters, offer helix around oil groove 4, this oil groove 4 flows in the gap lubricating oil smoothly, and the internal diameter of assurance inner covering 3 path sections cooperates with the oil film between inner shaft 10 external diameters.This oil groove 4 all has opening at the cascaded surface of described inner covering 3 and the end face side of path section, to form oil circuit.The effect of described elastic caoutchouc 2 is to connect outer tube 1 and inner covering 3, and to make between the two be that elasticity connects.When inner shaft 10 radial vibrations, this elastic caoutchouc 2 can absorb, resist this vibration, this vibration is unlikely is delivered to outer tube 1, like this, guarantees that outer tube 1 and not cooperating of drive axle axle housing 12 can be affected owing to the high-speed motion of inner shaft 10.Owing to cooperates closely between outer tube 1 external diameter and drive axle axle housing 12 inwalls, and can not be subjected to the influence that inner shaft 10 moves again, therefore, can guarantee that the liquid lubricating oil in the drive axle axle housing 12 can be from this joint portion seepage.
In the big footpath section sleeve pipe of metal inner lining cover 3, inlay the oil sealing 6 of installation, entangle the external diameter of described inner shaft 10 simultaneously; This oil sealing 6 can prevent lubricating oil seepage from here.Because oil sealing 6 is embedded in the inner covering 3, oil sealing 6 is all the time along with metal inner lining cover 3 motion together, add the resilient mounting effect of elastic caoutchouc 2, when making inner shaft 10 radial vibrations, inner covering 3, oil sealing 6 radial vibration thereupon, thus the correct cooperation of oil sealing 6, metal inner lining cover 3 and inner shaft 10 guaranteed.Like this, oil sealing 6 has been avoided the seepage of lubricating oil with regard to not producing the gap on seal owing to inner shaft 10 radial vibrations.
According to above principle of work as can be known, the jack shaft bracing or strutting arrangement 11 that present embodiment provides makes inner shaft 10 obtain a resilient mounting at drive axle axle housing 12 stop portions, this resilient mounting can not limit the motion of inner shaft 10 fully, therefore, can not cause inner shaft 10 to grind and damage.On the other hand, this jack shaft bracing or strutting arrangement 11 can play sealing function well, can not make the oil seepage in the drive axle axle housing 12.
The jack shaft bracing or strutting arrangement 11 that the foregoing description provides is the preferred embodiments of the present invention, and in fact, its structure can change to some extent.For example, described outer tube 1 can not have hierarchic structure, directly uses straight sleeve to get final product, and it is for the ease of processing that present embodiment adopts hierarchic structure.The hierarchic structure of the internal diameter of described inner covering 3 mainly is in order oil sealing to be installed, in fact also can be offered annular groove, being used to install oil sealing.In addition, this bracing or strutting arrangement can not have described oil groove 4 and logical oily window 5 yet, can realize basic fundamental effect of the present invention equally, promptly realizes to the resilient mounting of inner shaft with to effective sealing of drive axle axle housing.
In a word, the technical scheme that the present invention proposes be exactly install additional in the exit of drive axle axle housing have outer tube, the resilient supporting unit of elastic element, inner covering, realize to the resilient mounting of inner shaft with to effective sealing of drive axle axle housing.The device of every employing technique scheme is all in protection scope of the present invention.For those skilled in the art, under the prerequisite that does not break away from above-mentioned principle, can also propose some improvements and modifications to the present invention, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. a shaft support device driven with turning drive axle is characterized in that, comprises outer tube (1), elastic caoutchouc (2) and inner covering (3); The external diameter of described outer tube (1) and drive axle axle housing (12) seam are tight transition fit; Described inner covering (3) is one, described inner covering (3) and inner shaft (10) free-running fit with described outer tube (1) by described elastic caoutchouc (2) gummed; Described inner covering (3) has the installation site of oil sealing (6) at drive axle axle housing seam one end.
2. shaft support device driven with turning drive axle according to claim 1 is characterized in that, described inner covering (3) internal diameter has big footpath section and path section, and described and internal diameter inner shaft (10) free-running fit is the internal diameter of path section; The interface of big footpath section, path section forms the cascaded surface to described drive axle axle housing (12) outside, and this cascaded surface is the installation site that oil sealing (6) provides.
3. shaft support device driven with turning drive axle according to claim 2, it is characterized in that, have screw-shaped oil groove (4) on described inner covering (3) internal diameter, oil groove (4) all has opening at the cascaded surface of described inner covering (3) and the end face side of path section.
4. shaft support device driven with turning drive axle according to claim 2, it is characterized in that, on the described elastic caoutchouc (2), from path one end near inner covering (3), have the logical oily window (5) in 4 places to the other end, this logical oily window (5) reaches on the cascaded surface of described inner covering (3) always.
5. shaft support device driven with turning drive axle according to claim 2 is characterized in that, described outer tube (1) is that internal diameter, external diameter are stair-stepping sleeve pipe, and its ladder direction is identical with inner covering (3); The external diameter that cooperates with inwall described and drive axle axle housing (12) seam is the external diameter of big footpath section.
6. shaft support device driven with turning drive axle according to claim 2 is characterized in that, after this device installation, described oil sealing (6) is inlayed in the big footpath section sleeve pipe that is installed in inner covering (3), and entangles the external diameter of inner shaft (10).
7. shaft support device driven with turning drive axle according to claim 2, it is characterized in that, after this device installation, during work, it between the path section internal diameter of described inner covering (3) and the outer diametric plane of described inner shaft (10) gap that has lubricating oil, make between the path section inwall of outer diametric plane of described inner shaft (10) and inner covering (3) and form oil film, play the plain bearing effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710005008A CN100584642C (en) | 2007-02-12 | 2007-02-12 | Half shaft support device driven with turning drive axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710005008A CN100584642C (en) | 2007-02-12 | 2007-02-12 | Half shaft support device driven with turning drive axle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101244682A true CN101244682A (en) | 2008-08-20 |
| CN100584642C CN100584642C (en) | 2010-01-27 |
Family
ID=39945448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710005008A Expired - Fee Related CN100584642C (en) | 2007-02-12 | 2007-02-12 | Half shaft support device driven with turning drive axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100584642C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105365884A (en) * | 2015-11-19 | 2016-03-02 | 泉州市三龙机械制造有限公司 | Front steering drive axle of automobile |
| CN111271461A (en) * | 2019-12-31 | 2020-06-12 | 一汽解放汽车有限公司 | Input end locking and sealing structure of through shaft |
| CN115157927A (en) * | 2022-07-13 | 2022-10-11 | 十堰精密新动力科技股份有限公司 | New energy electric automobile axle with speed reducer |
-
2007
- 2007-02-12 CN CN200710005008A patent/CN100584642C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105365884A (en) * | 2015-11-19 | 2016-03-02 | 泉州市三龙机械制造有限公司 | Front steering drive axle of automobile |
| CN111271461A (en) * | 2019-12-31 | 2020-06-12 | 一汽解放汽车有限公司 | Input end locking and sealing structure of through shaft |
| CN115157927A (en) * | 2022-07-13 | 2022-10-11 | 十堰精密新动力科技股份有限公司 | New energy electric automobile axle with speed reducer |
| CN115157927B (en) * | 2022-07-13 | 2023-01-06 | 十堰精密新动力科技股份有限公司 | New energy electric automobile axle with speed reducer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100584642C (en) | 2010-01-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5218735B2 (en) | Sealing device | |
| CN102954194A (en) | Railway vehicle traveling gearbox sealing structure | |
| CN100584642C (en) | Half shaft support device driven with turning drive axle | |
| JP4471079B2 (en) | Sealing device | |
| CN201786953U (en) | Elastic coupling and electric power-assisted steering gear provided with same | |
| CN206958168U (en) | A kind of loading machine driving axle spiral bevel gear pair | |
| CN201009673Y (en) | Half-axle support device driven by turning drive axle | |
| JP2008069840A (en) | Power transmission structure | |
| CN102734443A (en) | Double spiral axial moving seal driving device | |
| CN108626355A (en) | In-wheel motor unit | |
| CN103711843A (en) | Hollow wave gear unit | |
| CN201544713U (en) | External sealing device of axle hub | |
| CN204175806U (en) | A kind of automobile tension pulley bearing | |
| CN105909731B (en) | Speed reducer | |
| CN105328798A (en) | Power equipment, slot milling machine driving device and slot milling machine | |
| JPH06501299A (en) | Pump drive device for automatic gear converters in automobiles | |
| CN206439405U (en) | A kind of power takeoff assembly input shaft end part sealing structure | |
| JP7492470B2 (en) | Propeller shaft | |
| CN211228681U (en) | Wheel edge support | |
| JP2005282801A (en) | Differential gear | |
| KR100804187B1 (en) | Dust Cover for Universal Joint of Automobile Steering Column | |
| CN105042082A (en) | Self-sealing full-polytetrafluoroethylene oil seal with monitoring function | |
| JP6939230B2 (en) | Seal mechanism | |
| CN101749029B (en) | Ring body for suppressing propagation of earth pressure, its mounting structure, disc cutter and roller device | |
| KR101831521B1 (en) | Apparatus For Blocking Foreign Substance Of Driving Dear For Railway Vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100127 Termination date: 20130212 |