CN2537593Y - Rear axle case assembly for heavy truck - Google Patents
Rear axle case assembly for heavy truck Download PDFInfo
- Publication number
- CN2537593Y CN2537593Y CN 02228959 CN02228959U CN2537593Y CN 2537593 Y CN2537593 Y CN 2537593Y CN 02228959 CN02228959 CN 02228959 CN 02228959 U CN02228959 U CN 02228959U CN 2537593 Y CN2537593 Y CN 2537593Y
- Authority
- CN
- China
- Prior art keywords
- axle
- rear axle
- heavy truck
- interference fit
- utility
- 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 - Fee Related
Links
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- Vehicle Body Suspensions (AREA)
Abstract
The utility model relates to a heavy truck rear axle housing assembly, comprising a cast rear axle housing, a axle shaft tube, which is characterized in that the axle shaft tube is inserted to the rear axle housing with interference fit, and fastened at the fitting place with fastening pins. The utility model has the advantages of solving the problem of the prior art stress concentration caused by weld joints, reasionable structure, and avoiding the stress concentration with interference fit and fasten pin fastening.
Description
Technical field: the utility model relates to a kind of back axle shell for heavy truck assembly.
Background technology: conventional rear-axle casing has with spheroidal graphite iron casting, will cast that rear-axle casing is equipped with axle tube and rear-axle cover three parts are welded to form; Whole steel pipe vehicle rear-axle housing is arranged, and also useful alloy-steel plate punching press is welded.And the total Chengdu of back axle shell for heavy truck is that axle tube and flange directly are fixed into an integrated member, and axle tube adopts outside plug type to be connected with rear-axle casing, with one weld bond they is assembled into rear axle housing assembly.Because adopt welding, in the commissure, stress amplitude ratio is more concentrated, very easily fracture, et out of order.
Summary of the invention: the utility model is concentrated the problem of easy fracture in order to solve above-mentioned weld stress, proposes a kind of back axle shell for heavy truck assembly, comprises rear-axle casing, axle tube, described rear-axle casing is a casting bridge shell, it is characterized in that: described axle tube inserts in the described rear-axle casing, interference fit; And plug with molten metal by tightly pluging with molten metal to lock in described cooperation place.Adopt this structure to solve the problem of the stress concentration that has weld seam originally and cause, take interference fit and tightly plug with molten metal to lock to plug with molten metal, make its structure more reasonable, eliminated stress concentration.
Description of drawings: Fig. 1, the utility model structural representation front view;
Fig. 2, the utility model structural representation birds-eye view.
The specific embodiment: as shown in Figure 1, 2, this back axle shell for heavy truck assembly mainly is made up of rear-axle casing 1 and axle tube 2, and axle tube 2 inserts interference fit in the rear-axle casing 1, then at the place that is connected, tightly plugs with molten metal by tightly pluging with molten metal pin 3.
Claims (1)
1, a kind of back axle shell for heavy truck assembly comprises rear-axle casing, axle tube, and described rear-axle casing is a casting bridge shell, it is characterized in that: described axle tube inserts in the described rear-axle casing, interference fit; And plug with molten metal by tightly pluging with molten metal to lock in described cooperation place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02228959 CN2537593Y (en) | 2002-04-04 | 2002-04-04 | Rear axle case assembly for heavy truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02228959 CN2537593Y (en) | 2002-04-04 | 2002-04-04 | Rear axle case assembly for heavy truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2537593Y true CN2537593Y (en) | 2003-02-26 |
Family
ID=33705388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02228959 Expired - Fee Related CN2537593Y (en) | 2002-04-04 | 2002-04-04 | Rear axle case assembly for heavy truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2537593Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103625214A (en) * | 2012-08-27 | 2014-03-12 | 中冶京诚（湘潭）重工设备有限公司 | Rear axle door assembly of mining dump truck |
-
2002
- 2002-04-04 CN CN 02228959 patent/CN2537593Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103625214A (en) * | 2012-08-27 | 2014-03-12 | 中冶京诚（湘潭）重工设备有限公司 | Rear axle door assembly of mining dump truck |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |