CN202764604U - Connection structure of axle shaft sleeve and axle case - Google Patents
Connection structure of axle shaft sleeve and axle case Download PDFInfo
- Publication number
- CN202764604U CN202764604U CN 201220434897 CN201220434897U CN202764604U CN 202764604 U CN202764604 U CN 202764604U CN 201220434897 CN201220434897 CN 201220434897 CN 201220434897 U CN201220434897 U CN 201220434897U CN 202764604 U CN202764604 U CN 202764604U
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- China
- Prior art keywords
- flange
- axle
- axle housing
- connection structure
- shaft sleeve
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- Expired - Fee Related
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- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
The utility model discloses a connection structure of an axle shaft sleeve and an axle case. The connection structure comprises the axle shaft sleeve (1), a flange (2) and the axle case (3), a protruded edge (11) is formed in the end portion of the axle shaft sleeve (1), a rabbet step (12) is arranged in the inner side of the protruded edge, and the connection end of the axle case (3) is inserted into the protruded edge and abutted against the rabbet step. The flange is arranged on the connection end of the axle case in a sleeved mode and fixedly connected with the protruded edge (11). As optimization, the flange (2) is a welded flange, and the welded flange is welded on the periphery portion of the axle case (3). The rabbet step is used for locating between the axle case and the axle shaft sleeve, and the axle case and the axle shaft sleeve are connected into an integrated structure through high-strength bolts between the protruded edge in the axle shaft sleeve and the flange arranged on the connection end of the axle case in a sleeved mode. The rabbet step and the high-strength bolts are used for bearing pressure and bending moment stressed by the axle case in the process of use, flange weld joints only need to bear torsion effect in the process of brake, and therefore fatigue life of the axle case is prolonged.
Description
Technical field
The utility model relates to a kind of axle housing, particularly, relates to a kind of connection structure between axle tube and the axle housing.
Background technology
In common axle tube as shown in Figure 1 and the connection structure of axle housing, after docking by grommet 7 between axle tube 1 and the axle housing 3, adopt butt welding mode (butt weld 8) to connect in aggregates.In this connection structure, owing to only linking to each other by butt weld 8 between pipe spreader 1 and the axle housing 3, when rotating except the semiaxis in axle tube 1, described butt weld 8 bears the brake torque of braking force generation, also need bear at axle housing 3 and be subjected to the Moment that produces under the downward pressure effect of suspension system, thereby easily produce fracture at butt weld 8 places, thereby affect the fatigue life of axle housing 3.
In addition, owing to adopting the mode of butt welding that axle tube 1 is linked to each other with axle housing 3, when welding, easily produce welding deformation, therefore need behind butt welding, again axle tube 1 to be carried out integral body processing first, the working accuracy of guarantee axle tube 1, otherwise process first axle tube 1 rear butt welding, can produce assembly error, thereby this connection structure causes adverse effect to the manufacturability of process and assemble.And because weld seam 4 need bear moment of flexure and brake torque effect, welding quality requires also very high.
The utility model content
The purpose of this utility model provides the connection structure of a kind of axle tube and axle housing, and connection structure is simple and reliable, is conducive to processing and the assembling of other parts on the axle tube.
To achieve these goals, the utility model provides the connection structure of a kind of axle tube and axle housing, this connection structure comprises axle tube, flange and axle housing, the end of described axle tube is formed with flange, this flange inner is formed with the seam step, the coupling end of described axle housing inserts in the described flange and is resisted against on the described seam step, and described flange is sheathed on the coupling end of described axle housing and with described flange captives joint.
Preferably, described flange is welded flange, and this welded flange is welded on the peripheral part of described axle housing.
Preferably, this connection structure also comprises seal ring, and the sealing circle is arranged on the face of joint of described flange and described flange.
Preferably, this connection structure also comprises along a plurality of reinforced ribs of well-distributed on the outer peripheral face of described axle housing, and the both sides of this reinforced rib are fixedly connected on respectively on the end face of the outer peripheral face of described axle housing and described flange.
Preferably, be evenly distributed with respectively a plurality of bolts hole on described flange and the described flange, be fastenedly connected by a plurality of high strength bolts that are located on the described bolt hole between this flange and the flange.
Pass through technique scheme, in the connection structure according to axle tube of the present utility model and axle housing, adopt seam step location between axle housing and the axle tube, and be connected with high strength bolt between the flange that is set in the axle housing coupling end by the flange of axle tube, so that axle housing and axle tube form integral structure.Wherein, rely on the seam step to bear pressure suffered in the axle housing use procedure and moment of flexure with high strength bolt, seam flange only need bear the torsional interaction in the braking procedure, the fatigue life of having improved axle housing.And, because axle housing and axle tube employing seam locate mode, can process respectively to reach to axle housing and axle tube and be connected again behind the working accuracy in aggregatesly, manufacturability is simple.Seam flange only bears the torsional interaction of braking force, and is lower to the requirement of quality of welding, good manufacturability.
Other feature and advantage of the present utility model will partly be described in detail in the specific embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide further understanding of the present utility model, and consists of the part of specification sheets, is used from explanation the utility model with the following specific embodiment one, but does not consist of restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation according to the connection structure of the axle tube of prior art and axle housing;
Fig. 2 is the enlarged drawing of circled among Fig. 1;
Fig. 3 is the structural representation according to the connection structure of the axle tube of a kind of preferred implementation of the present utility model and axle housing;
Fig. 4 is the enlarged drawing of circled among Fig. 3.
Description of reference numerals
1 axle tube, 2 flanges
3 axle housings, 4 seal rings
5 reinforced ribs, 6 high strength bolts
8 butt welds of 7 grommets
9 seam flanges
11 flanges, 12 seam steps
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is elaborated.Should be understood that, the specific embodiment described herein only is used for description and interpretation the utility model, is not limited to the utility model.
As shown in Figure 3 and Figure 4, the utility model provides the connection structure of a kind of axle tube and axle housing, and this connection structure comprises axle tube 1, flange 2 and axle housing 3 totally three individual members.The end of axle tube 1 is formed with flange 11, and these flange 11 inboards are formed with seam step 12, and the coupling end of axle housing 3 need not special processing, and only need insert in the flange 11 and are resisted against on the seam step 12.Flange 2 is sheathed on the coupling end of axle housing 3 and with flange 11 captives joint.In this connection structure, except the seam connection of coupling end on seam step 12 of axle housing 3, utilize exactly flange 2 to link to each other with axle tube 1 with axle housing 3 respectively as intermediate connector, so that axle housing 3 forms integral structure with axle tube 1.Wherein, rely on seam step 12 and the fastener (for example high strength bolt) of flange 2 between flange 11 to bear pressure suffered in the axle housing use procedure and corresponding moment of flexure, and the connection structure of flange 2 and axle housing 3 only need be born the torsional interaction in the braking procedure, thus the fatigue life of having improved axle housing 3.
This wherein, because axle housing 3 adopts the seam locate mode with axle tube 1, the more important thing is that flange 2 can be used as individual member, the installation site is adjustable flexibly, can regulate the relative position relation between axle housing 3 and the axle tube 1, thus can until axle housing 3 is connected with axle tube and parts process respectively connect again after reaching required working accuracy in aggregates.And connection structure is not the same as shown in Figure 1, can't guarantee location and the assembly precision of the parts on axle housing 3 or the axle tube 1 axle housing 3 is connected connection with axle tube after owing to the distortion of connection structure.Perhaps, if flange 2 is formed on the axle housing 3 by processing, then flange 2 is also very high with the requirement on machining accuracy of the joint face of flange 11.Therefore, flange 2 is preferably welded flange, and this welded flange is welded on the peripheral part of axle housing 3.Adopt welded flange can bear larger pressure and torsion, welding manner is simple, and flange 2 is as individual member, and its welding requirements is not high, and Joint strenght is enough.Herein, 9 torsional interactions that bear braking force of seam flange, thereby lower to the requirement of quality of welding, good manufacturability, welded structure are not yielding.In addition, welded flange is welded on the outer peripheral face of coupling end of axle housing 3, even welded structure produces distortion, to the axial location between axle housing 3 and the axle tube 1 with and the remote effect of the assembly precision of parts also little.
Because seam flange 9 needs the opposing moment of flexure, need to strengthen installation strength and reliability.Thereby this connection structure also can comprise along a plurality of reinforced ribs 5 of well-distributed on the outer peripheral face of axle housing 3, and the both sides of this reinforced rib 5 are welded on respectively on the end face of the outer peripheral face of axle housing 3 and flange 2, as shown in Figure 3.Arrange and strengthen gusset 5 and effectively be connected fixing between reinforcing flange 2 and the axle housing 3, weaken brake torque to the damaging influence of seam flange 9.
On the connection mode of flange 2 and flange 11, usually with bolts.Be to be evenly distributed with respectively a plurality of bolts hole on flange 11 and the flange 2, be fastenedly connected by a plurality of high strength bolts 6 that are located on the bolt hole between this flange 11 and the flange 2.Herein the high strength bolt of indication be the performance rate of as prescribed bolt at the bolt more than 8.8 grades, the Joint strenght of this high strength bolt is high and shearing resistance is strong.
In addition, the lubricating oil in axle housing 3 easily oozes out from seam, therefore also comprises seal ring 4 according to connection structure of the present utility model, and sealing circle 4 is arranged on the face of joint of flange 11 and flange 2, thereby the lubricating oil that prevents axle housing overflows.This seal ring 4 can be common oil pressure seal ring or common rubber ring, and extruding is installed in the mounting groove that arranges on flange 11 on the described face of joint or the flange 2 and gets final product.Shown in Figure 4, the seal ring mounting groove is arranged on the flange 11.
Below describe by reference to the accompanying drawings preferred implementation of the present utility model in detail; but; the utility model is not limited to the detail in the above-mentioned embodiment; in technical conceive scope of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
Need to prove in addition, each concrete technical characterictic described in the above-mentioned specific embodiment in reconcilable situation, can make up by any suitable mode, for fear of unnecessary repetition, the utility model is to the no longer separately explanation of various possible array modes.
In addition, also can carry out combination in any between the various embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (5)
1. the connection structure of axle tube and axle housing, it is characterized in that, this connection structure comprises axle tube (1), flange (2) and axle housing (3), the end of described axle tube (1) is formed with flange (11), this flange (11) inboard is formed with seam step (12), the coupling end of described axle housing (3) inserts in the described flange (11) and is resisted against on the described seam step (12), and described flange (2) is sheathed on the coupling end of described axle housing (3) and with described flange (11) captives joint.
2. the connection structure of axle tube according to claim 1 and axle housing is characterized in that, described flange (2) is welded flange, and this welded flange is welded on the peripheral part of described axle housing (3).
3. the connection structure of axle tube according to claim 1 and axle housing is characterized in that, this connection structure also comprises seal ring (4), and sealing circle (4) is arranged on the face of joint of described flange (11) and described flange (2).
4. the connection structure of axle tube according to claim 1 and axle housing, it is characterized in that, this connection structure also comprises along a plurality of reinforced ribs of well-distributed (5) on the outer peripheral face of described axle housing (3), and the both sides of this reinforced rib (5) are fixedly connected on respectively on the end face of the outer peripheral face of described axle housing (3) and described flange (2).
5. the connection structure of axle tube according to claim 1 and axle housing, it is characterized in that, be evenly distributed with respectively a plurality of bolts hole on described flange (11) and the described flange (2), be fastenedly connected by a plurality of high strength bolts (6) that are located on the described bolt hole between this flange (11) and the flange (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220434897 CN202764604U (en) | 2012-08-29 | 2012-08-29 | Connection structure of axle shaft sleeve and axle case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220434897 CN202764604U (en) | 2012-08-29 | 2012-08-29 | Connection structure of axle shaft sleeve and axle case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202764604U true CN202764604U (en) | 2013-03-06 |
Family
ID=47771201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220434897 Expired - Fee Related CN202764604U (en) | 2012-08-29 | 2012-08-29 | Connection structure of axle shaft sleeve and axle case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202764604U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109624612A (en) * | 2019-01-09 | 2019-04-16 | 青岛雷沃工程机械有限公司 | A kind of Novel drive axle support construction |
| CN113075056A (en) * | 2021-03-31 | 2021-07-06 | 安徽江淮汽车集团股份有限公司 | Static torsion strength test auxiliary device |
| 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 |
| CN113246660A (en) * | 2021-05-28 | 2021-08-13 | 东风商用车有限公司 | Lining ring for connecting axle tube of automobile axle housing and manufacturing method |
-
2012
- 2012-08-29 CN CN 201220434897 patent/CN202764604U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109624612A (en) * | 2019-01-09 | 2019-04-16 | 青岛雷沃工程机械有限公司 | A kind of Novel drive axle support construction |
| CN113075056A (en) * | 2021-03-31 | 2021-07-06 | 安徽江淮汽车集团股份有限公司 | Static torsion strength test auxiliary device |
| 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 |
| CN113246660A (en) * | 2021-05-28 | 2021-08-13 | 东风商用车有限公司 | Lining ring for connecting axle tube of automobile axle housing and manufacturing method |
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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: 20130306 Termination date: 20180829 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |