CN215321797U - Split type punching welding axle housing for 4.5T-grade front drive axle - Google Patents
Split type punching welding axle housing for 4.5T-grade front drive axle Download PDFInfo
- Publication number
- CN215321797U CN215321797U CN202121786693.3U CN202121786693U CN215321797U CN 215321797 U CN215321797 U CN 215321797U CN 202121786693 U CN202121786693 U CN 202121786693U CN 215321797 U CN215321797 U CN 215321797U
- Authority
- CN
- China
- Prior art keywords
- axle housing
- split type
- front drive
- rear cover
- welding
- 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.)
- Active
Links
Images
Landscapes
- Vehicle Body Suspensions (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The utility model discloses a split type impulse welding axle housing for a 4.5T-grade front drive axle, which relates to the field of automobile manufacturing and comprises an axle housing body, a rear cover, two plate spring seats and two connecting flanges; the axle housing body and the rear cover are both formed by stamping steel plates, and the axle housing body comprises a middle body for mounting the speed reducer and support pipe bodies arranged on two sides of the middle body; the middle body is welded with the rear cover; the cross section of the supporting pipe body is of a square structure, and the two plate spring seats are welded on the top surfaces of the corresponding supporting pipe bodies respectively; the connecting flange comprises a flange plate, one side of the flange plate is provided with an extending part, and the extending part is inserted into the corresponding supporting pipe body and is welded and fixed.
Description
Technical Field
The utility model relates to the field of automobile manufacturing, in particular to a split type impact welding axle housing for a 4.5T-grade front drive axle.
Background
As shown in fig. 1 and 2, a conventional steering drive front axle housing is composed of an axle housing body (including a rear cover), a plate spring seat, a coupling pin shaft, a coupling circular tube, a coupling flange, an oil drain plug screw, an oil filling plug screw and the like. The axle housing body and the rear cover are integrally cast into a whole, an oil drain plug screw is machined and installed below the body, and an oil filling plug screw is machined and installed on the rear cover of the body; the plate spring seats are welded on circular round pipes at two ends of the axle housing body; the connecting round pipe is pressed into the body, the body and the connecting round pipe are matched with the connecting part to be drilled up and down, the connecting pin shaft is pressed into the hole, and the body and the connecting round pipe are connected and fixed; the connecting flanges at the two ends are welded with the connecting circular pipes to form an axle housing assembly.
The split type casting axle housing assembly mainly has the following defects:
1. the axle housing body and the rear cover are integrally cast, the structure is complex, and the investment of a casting die and a machining tool is large;
2. the axle housing body and the rear cover are integrally cast, the casting process is complex, the casting defects such as air holes, sand holes, shrinkage cavities, looseness and the like are more, the yield is low, and the cost is high;
3. the oil leakage phenomenon of the axle housing caused by casting defects such as air hole and sand hole, shrinkage porosity and the like is generally serious;
4. the cast part has rough appearance, so that the overall attractiveness of the axle housing is influenced;
5. the two ends of the axle housing body are of circular tubular structures, so that when a plate spring seat is welded, the welding difficulty is high, and the sizes of an inclination angle and a plate spring pitch are not easy to guarantee;
6. the connecting circular pipe is tightly matched and pressed into the body, then a connecting hole is drilled, and a connecting pin shaft is pressed into the connecting circular pipe, so that the assembling process is complex, the pin shaft is easy to loosen, and the axle housing is easy to deform when in use;
7. the connecting flange is welded with the connecting circular pipe, the end surfaces of the two ends of the connecting flange run out, the concentricity of the axle housing is not guaranteed well, and the integral processing difficulty is high;
8. the rear cover and the body are integrally cast parts, and threaded holes for the oil drain plug and the oil filling plug are easy to slip after being disassembled and assembled by adding and draining oil for multiple times, so that the whole axle housing is scrapped;
9. the axle housing body and the rear cover are integrally cast, and the axle housing is too heavy due to the fact that the R value of the transition arc is large after the wall thickness of the axle housing is determined by a casting process;
10. the whole axle housing is formed by casting, press-fitting and welding for multiple times, and finally, the whole machining process is complex, the equipment requirement is high, and the yield is low.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a split type impact welding axle housing for a 4.5T-grade front drive axle, so as to solve the problems.
In order to achieve the above purposes, the technical scheme adopted by the utility model is as follows: a split type impulse welding axle housing for a 4.5T-grade front drive axle comprises an axle housing body, a rear cover, two plate spring seats and two connecting flanges; the axle housing body and the rear cover are both formed by stamping steel plates, and the axle housing body comprises a middle body for mounting the speed reducer and support pipe bodies arranged on two sides of the middle body; the middle body is welded with the rear cover; the cross section of the supporting pipe body is of a square structure, and the two plate spring seats are welded on the top surface of the corresponding supporting pipe body respectively; the connecting flange comprises a flange plate, one side of the flange plate is provided with an extending part, and the extending part is inserted into the corresponding supporting pipe body and is welded and fixed.
The further improvement lies in that: and a limiting step is arranged on the outer side of the extending part.
The further improvement lies in that: the middle body is provided with an oil drainage threaded hole for installing an oil drainage plug screw.
The further improvement lies in that: the rear cover is provided with an oil filling threaded hole for installing an oil filling screw plug.
The further improvement lies in that: the middle body and the two supporting pipe bodies are integrally formed by stamping and welding.
The further improvement lies in that: the axle housing body is formed by stamping and welding a Q345 steel plate with the thickness of 12 mm.
The further improvement lies in that: the rear cover is formed by stamping a Q345 steel plate with the thickness of 5 mm.
The further improvement lies in that: the cross-sectional dimension of the supporting pipe body is 136mm, and four sides of the supporting pipe body are provided with R10 circular arc transition.
The utility model has the beneficial effects that:
1. the axle housing body is made of a steel plate with the thickness of 12mm, the section of the axle housing body is square 136X136, and four sides of the axle housing body are in R10 arc transition; the rear cover is a 5mm steel plate. The stamping and welding manufacturing process is mature, the quality assurance capability is strong, and batch manufacturing and processing are easy to realize.
2. The axle housing is formed by stamping and welding steel plates, and compared with the wall thickness reduction of a cast axle housing, the transition arc is reduced, so that the weight of the axle housing is greatly reduced, and the impact welding axle housing is reduced by 20-30% compared with the cast axle housing, so that the light-weight requirement is met.
3. The punching-welded axle housing has no casting defects of flash, burr, iron nugget and the like of the cast axle housing, and the inner and outer surfaces of the axle housing are smooth and beautiful; especially, the inner surface does not have pollutants such as sand that the casting axle housing brought, guarantees that reduction gear lubricating oil is clean, can effectively improve the life of reduction gear.
4. The body and the rear cover are respectively provided with an oil drain hole and an oil filling threaded hole, and an oil drain plug and an oil filling plug are installed. The rim can not be damaged by repeated disassembly and assembly of the punching-welding threaded hole shell, and the phenomenon that the threads are likely to slip after repeated disassembly and assembly of the threads of the threaded hole of the cast axle housing is avoided, so that the service life of the axle housing is greatly prolonged.
5. The impact-welded axle housing has good toughness and high strength, can bear larger impact and cyclic load, and is not easy to break and deform.
6. The punching and welding axle housing has the advantages of mature and simple processing and manufacturing process, less investment, low cost and easy popularization and batch production.
7. Along with the environmental protection in various places is more and more strict, the impact welding axle housing is not influenced and limited by the environmental protection in the processing and manufacturing process, and various pollutions caused by casting are avoided, so that the environment is more protected and the energy is saved.
8. The quality assurance capability such as size, form and position tolerance, appearance quality and the like of the punching-welding axle housing is strong, the axle housing precision is high, and the service performance is stable and reliable.
Drawings
FIG. 1 is a schematic structural diagram of a 4.5T-level front drive axle cast axle housing in the prior art;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic structural diagram of a split type impact-welded axle housing for a 4.5T-class front drive axle in the embodiment of the utility model;
FIG. 4 is a top view of FIG. 1;
FIG. 5 is a cross-sectional view of a support tube according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a rear cover in an embodiment of the present invention;
FIG. 7 is a schematic structural view of a coupling flange according to an embodiment of the present invention;
reference numerals:
1-an intermediate body; 11-oil drain plug; 2-supporting the pipe body; 3-rear cover; 31-a refueling plug; 4-a coupling flange; 41-flange plate; 42-an extension; 43-a limit step; 5-leaf spring seat.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout.
In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate that the orientation and positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present invention.
The technical scheme and the beneficial effects of the utility model are clearer and clearer by further describing the specific embodiment of the utility model with the accompanying drawings of the specification. The embodiments described below are exemplary and are intended to be illustrative of the utility model, but are not to be construed as limiting the utility model.
Referring to fig. 3 to 7, an embodiment of the present invention provides a split type impulse welding axle housing for a 4.5T-class front drive axle, which includes an axle housing body, a rear cover 3, two plate spring seats 5 and two coupling flanges 4; the axle housing body and the rear cover 3 are both formed by stamping steel plates, and the axle housing body comprises a middle body 1 for mounting a speed reducer and supporting pipe bodies 2 arranged on two sides of the middle body 1; specifically, the middle body 1 is provided with an oil drain threaded hole for installing the oil drain plug screw 11. The rear cover 3 is provided with a filler screw hole for mounting the filler plug 31. The back cover and the periphery of the body are welded into a whole body, and an airtight test is carried out to ensure that the oil is not leaked, and the structure is firm and reliable. The middle body 1 is welded with the rear cover 3; specifically, the middle body 1 and the two support tube bodies 2 are integrally formed by stamping and welding. The traditional connection circular pipe part is cancelled, an integral welding axle housing is adopted, the middle body of the speed reducer is integrally formed with the two end supporting parts in a stamping and welding mode, the strength is high, and the bearing capacity is strong. The section of the supporting pipe body 2 is of a square structure, and the two plate spring seats 5 are welded on the top surface of the corresponding supporting pipe body 2 respectively; the upper surface is a plane, the plate spring seat is easy to place and position, and the size, form and position tolerance and quality are easy to guarantee. The coupling flange 4 includes a flange 41, and one side of the flange 41 is provided with an extension 42, and the extension 42 is inserted into the corresponding support pipe 2 and fixed by welding. The connecting flange is directly pressed into the axle housing body, and then the periphery is fully welded, so that enough rotating torque and radial load can be borne. Specifically, the outer side of the extension portion 42 is provided with a limit step 43. In this embodiment, the axle housing body is formed by punching and welding a Q345 steel plate with the thickness of 12 mm. The rear cover 3 is stamped and formed by a Q345 steel plate with the thickness of 5 mm. The support tube body 2 has a cross-sectional dimension of 136mm x136 mm and four sides having R10 arc transitions. The manufacturing process is mature, the quality assurance capability is strong, and the traditional round tube type structure style is cancelled.
The utility model improves the cast axle housing into the punching and welding axle housing, adopts the punching and welding axle housing with brand new design to replace the traditional cast axle housing, the whole axle housing is formed by welding the rear cover, the body and the connecting flanges, all the connecting parts are uniformly and fully welded, and an air tightness test is carried out, thereby avoiding the risk of oil leakage of the traditional cast axle housing. The axle housing body and the rear cover are respectively formed by stamping steel plates, and the body and the rear cover are welded into a whole; the plate spring seats are welded with the body, and the inclination angles of the plate spring seats at two ends and the size of the plate spring pitch are ensured by a tool clamp; the connecting flanges at the two ends are inserted into the body and welded after being corrected; oil drain and oil filling threaded holes are respectively processed on the body and the rear cover, and an oil drain plug screw and an oil filling plug screw are installed; and then the workpiece is fixed by a special tool clamp, and the relevant size and process requirements are guaranteed by machining of a special machine tool on the whole.
In the description of the specification, reference to the description of "one embodiment", "preferably", "an example", "a specific example" or "some examples", etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model, and schematic representations of the terms in this specification do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
With the above structure and principle in mind, those skilled in the art should understand that the present invention is not limited to the above embodiments, and modifications and substitutions based on the known technology in the field are within the scope of the present invention, which should be limited by the claims.
Claims (8)
1. A split type punching and welding axle housing for a 4.5T-grade front drive axle comprises an axle housing body, a rear cover (3), two plate spring seats (5) and two connecting flanges (4); the method is characterized in that: the axle housing body and the rear cover (3) are both formed by stamping steel plates, and the axle housing body comprises a middle body (1) for mounting a speed reducer and supporting pipe bodies (2) arranged on two sides of the middle body (1); the middle body (1) is connected with the rear cover (3) in a welding way; the cross section of the supporting pipe body (2) is of a square structure, and the two plate spring seats (5) are welded on the top surface of the corresponding supporting pipe body (2) respectively; the connecting flange (4) comprises a flange plate (41), an extending part (42) is arranged on one side of the flange plate (41), and the extending part (42) is inserted into the corresponding supporting pipe body (2) and is welded and fixed.
2. The split type impulse welding axle housing for the 4.5T-grade front drive axle according to claim 1, characterized in that: the outer side of the extension part (42) is provided with a limiting step (43).
3. The split type impulse welding axle housing for the 4.5T-grade front drive axle according to claim 1, characterized in that: the middle body (1) is provided with an oil drainage threaded hole for installing an oil drainage plug screw (11).
4. The split type impulse welding axle housing for the 4.5T-grade front drive axle according to claim 1, characterized in that: the rear cover (3) is provided with an oil filling threaded hole for installing an oil filling screw plug (31).
5. The split type impulse welding axle housing for the 4.5T-grade front drive axle according to claim 1, characterized in that: the middle body (1) and the two supporting pipe bodies (2) are integrally formed by stamping and welding.
6. The split type impulse welding axle housing for the 4.5T-grade front drive axle according to claim 1, characterized in that: the axle housing body is formed by stamping and welding a Q345 steel plate with the thickness of 12 mm.
7. The split type impulse welding axle housing for the 4.5T-grade front drive axle according to claim 1, characterized in that: the rear cover (3) is formed by stamping a Q345 steel plate with the thickness of 5 mm.
8. The split type impulse welding axle housing for the 4.5T-grade front drive axle according to claim 1, characterized in that: the cross-sectional dimension of the supporting pipe body (2) is 136mm multiplied by 136mm, and four sides of the supporting pipe body are provided with R10 circular arc transition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121786693.3U CN215321797U (en) | 2021-08-03 | 2021-08-03 | Split type punching welding axle housing for 4.5T-grade front drive axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121786693.3U CN215321797U (en) | 2021-08-03 | 2021-08-03 | Split type punching welding axle housing for 4.5T-grade front drive axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215321797U true CN215321797U (en) | 2021-12-28 |
Family
ID=79575124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121786693.3U Active CN215321797U (en) | 2021-08-03 | 2021-08-03 | Split type punching welding axle housing for 4.5T-grade front drive axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215321797U (en) |
-
2021
- 2021-08-03 CN CN202121786693.3U patent/CN215321797U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201651009U (en) | Auxiliary box output shaft | |
| WO2006010306A1 (en) | An integral axle housing for vehicle and a method of manufacture the same | |
| CN215321797U (en) | Split type punching welding axle housing for 4.5T-grade front drive axle | |
| CN110816686A (en) | Special cast aluminum joint for aluminum alloy vehicle body frame | |
| CN207028715U (en) | A kind of vehicle and its axle housing | |
| CN210461591U (en) | Differential mechanism assembly | |
| CN204309549U (en) | The connection structure of swing arm sleeve pipe and swing arm sleeve pipe and bush of swing arm | |
| CN201405680Y (en) | Rear axle of mini-type vehicle | |
| CN209875708U (en) | Hollow core shaft | |
| CN203142370U (en) | Suspension support for automobile engine | |
| CN210502858U (en) | Knuckle for front axle | |
| CN215245100U (en) | Commercial vehicle chassis support with expansion-shaped surface in interference connection | |
| CN213735172U (en) | Knuckle of bearing is connected through steel bushing | |
| CN218152244U (en) | High-strength main speed reducer shell | |
| CN214025614U (en) | Power assembly tool | |
| CN218913344U (en) | Oil cylinder seat for engineering truck hydraulic system | |
| CN213846440U (en) | Lightweight motor rotating shaft | |
| CN219198059U (en) | Rear axle wheel limit reduction gear casing | |
| CN212503836U (en) | Forklift portal frame assembly | |
| CN212201502U (en) | Combined carrier frame | |
| CN221272432U (en) | Integrated square tube axle housing | |
| CN216331275U (en) | Automobile chassis supporting swing arm structure | |
| CN220535798U (en) | Spare tire lifter assembly of sinking type spare tire supporting beam | |
| CN214396269U (en) | Vehicle and suspension drive axle structure, semi-axis structure thereof | |
| CN219623181U (en) | Differential mechanism with split type casing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |