CN210920032U - Medium bridge reduction gear casing and differential mechanism bearing cap subassembly, medium bridge assembly and vehicle - Google Patents
Medium bridge reduction gear casing and differential mechanism bearing cap subassembly, medium bridge assembly and vehicle Download PDFInfo
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- CN210920032U CN210920032U CN201921721613.9U CN201921721613U CN210920032U CN 210920032 U CN210920032 U CN 210920032U CN 201921721613 U CN201921721613 U CN 201921721613U CN 210920032 U CN210920032 U CN 210920032U
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- axle
- differential bearing
- middle axle
- speed reducer
- reducer shell
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Abstract
The utility model relates to a well axle assembly technical field discloses a well axle reduction gear casing and differential mechanism bearing cap subassembly, well axle assembly and vehicle. The middle axle speed reducer shell and the differential bearing cover assembly comprise a middle axle speed reducer shell and two middle axle differential bearing covers, the middle axle speed reducer shell comprises a middle axle cylindrical gear shell and a middle axle main speed reducer shell which are connected with each other, the two middle axle differential bearing covers are symmetrically arranged, the middle axle differential bearing covers are connected to one end, away from the middle axle cylindrical gear shell, of the middle axle main speed reducer shell, the two middle axle differential bearing covers are integrally cast into a blank body, and the blank body is processed into the middle axle main speed reducer shell and the two middle axle differential bearing covers through an expanding and breaking process. The blank body is formed by integral casting, and then the blank body is divided by a cracking process, so that the appearance consistency of the connection part can be ensured; the cutting precision of the cracking process is high, the size error of the joint is guaranteed to be low, and the assembling quality and the qualified rate are improved.
Description
Technical Field
The utility model relates to a well axle assembly technical field especially relates to a well axle reduction gear casing and differential mechanism bearing cap subassembly, well axle assembly and vehicle.
Background
The intermediate axle of a commercial vehicle is generally provided with a speed reducer, the speed reducer is connected with a differential, and a speed reducer shell is fixedly connected with two bearing covers of the differential. In the machining process, the reducer shell is machined in a casting mode, and then the reducer shell and the differential bearing cover are machined in a finish machining mode.
However, the casting machining precision is low, the difference between the outline and the dimension of the formed speed reducer shell and the differential bearing cover is large, and certain errors also exist in the cutting and finishing. Errors can exist in the assembling process of the speed reducer shell and the differential bearing cover, the assembling quality is affected, and the assembling qualified rate is low.
Therefore, there is a need for a medium axle reducer housing, a differential bearing cap assembly, a medium axle assembly and a vehicle to solve the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a well axle reduction gear casing and differential mechanism bearing cap subassembly, well axle assembly and vehicle, it has improved the assembly quality and the qualification rate of well axle reduction gear casing and well axle differential mechanism bearing cap.
To achieve the purpose, the utility model adopts the following technical proposal:
in a first aspect, there is provided a medium axle reducer housing and differential bearing cap assembly comprising: the middle axle speed reducer comprises a middle axle speed reducer shell and two middle axle differential bearing covers, wherein the middle axle speed reducer shell comprises a middle axle cylindrical gear shell and a middle axle main speed reducer shell which are connected with each other, the two middle axle differential bearing covers are symmetrically arranged, the middle axle differential bearing covers are connected to one end, far away from the middle axle cylindrical gear shell, of the middle axle main speed reducer shell, the middle axle main speed reducer shell and the two middle axle differential bearing covers are integrally cast and formed into a blank body, and the blank body is processed and formed into the middle axle main speed reducer shell and the two middle axle differential bearing covers through a cracking process;
the middle axle differential bearing cover is provided with a connecting boss, and the connecting boss is provided with a connecting hole.
As a preferable scheme of the intermediate axle speed reducer shell and the differential bearing cover assembly, the expansion and fracture process is linear cutting or laser cutting.
As a preferable scheme of the intermediate axle speed reducer shell and the differential bearing cover assembly, a plurality of reinforcing ribs are arranged on the outer side of the intermediate axle main speed reducer shell.
As an optimal scheme of a middle axle speed reducer shell and a differential bearing cover assembly, a first mounting groove is formed in the middle axle differential bearing cover, a second mounting groove is formed in the middle axle main speed reducer shell, and the first mounting groove and the second mounting groove are spliced to form a mounting hole for mounting a middle axle differential bearing.
As a preferable scheme of the intermediate axle speed reducer shell and the differential bearing cover assembly, the intermediate axle main speed reducer shell and the intermediate axle differential bearing cover are connected through bolts.
As a preferred scheme of the intermediate axle speed reducer shell and the differential bearing cover assembly, through holes allowing bolts to pass through are formed in the intermediate axle differential bearing cover, and threaded holes matched with the bolts are formed in the intermediate axle main speed reducer shell.
In a second aspect, a medium axle assembly is provided that includes a medium axle reducer case and a differential bearing cap assembly as described above.
In a third aspect, a vehicle is provided that includes a mid-axle assembly as described above.
The utility model has the advantages that: the middle axle main speed reducer shell and the two middle axle differential bearing covers are integrally cast and formed into a blank body, and then the blank body is divided and formed into the middle axle main speed reducer shell and the two middle axle differential bearing covers through a cracking process, so that the appearance of the joint of the middle axle main speed reducer shell and the middle axle differential bearing covers can be ensured to be consistent; the cutting precision of the cracking process is high, the size error of the joint of the intermediate axle main speed reducer shell and the intermediate axle differential bearing cover can be ensured to be low, and the assembling quality and the qualification rate of the intermediate axle main speed reducer shell and the intermediate axle differential bearing cover are improved.
Drawings
Fig. 1 is a schematic structural view of a center axle reducer case and a differential bearing cap assembly according to the present invention.
In the figure: 1. a middle axle main reducer shell; 11. a second mounting groove; 12. a threaded hole; 2. a middle axle cylindrical gear shell; 3. a middle axle differential bearing cap; 31. a first mounting groove; 32. a through hole; 33 are connected to the bosses.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Reference will now be made in detail to 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 function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
The reducer shell is processed by adopting a casting mode, and then the reducer shell and the differential bearing cover are respectively subjected to finish machining by adopting a cutting mode. However, the casting machining precision is low, the difference between the outline and the dimension of the formed speed reducer shell and the differential bearing cover is large, and certain errors also exist in the cutting and finishing. Errors can exist in the assembling process of the speed reducer shell and the differential bearing cover, the assembling quality is affected, and the assembling qualified rate is low.
In order to solve the above technical problem, as shown in fig. 1, the present embodiment discloses a middle axle reducer casing and a differential bearing cap assembly, which include a middle axle reducer casing and two middle axle differential bearing caps 3, wherein the middle axle reducer casing includes a middle axle cylindrical gear shell 2 and a middle axle main reducer casing 1, which are connected by bolts, and the two are spliced to form the middle axle reducer casing after being connected. A main cone bearing seat is arranged in the middle axle main speed reducer shell 1, a main cone is mounted in the main cone bearing seat through a bearing support, and then the main cone bearing seat is fixed in the middle axle main speed reducer shell 1 through a bolt. The gear-driven differential assembly is supported and mounted on the intermediate axle main speed reducer shell 1 through a bearing, and the bearing support and the intermediate axle main speed reducer shell 1 are fixed through bolts. The middle axle differential bearing cover 3 is provided with a connecting boss 33, the connecting boss 33 is provided with a connecting hole, an internal thread is arranged in the connecting hole, and the middle axle differential bearing cover 3 can be connected with other parts through bolts.
Two middle axle differential mechanism bearing caps 3 are symmetrically arranged, and the middle axle differential mechanism bearing caps 3 are connected to one end, far away from the middle axle cylindrical gear shell 2, of the middle axle main speed reducer shell 1. The intermediate axle main speed reducer shell 1 and the two intermediate axle differential bearing caps 3 are integrally cast and formed into a blank body, the blank body is cut, other structures on the intermediate axle main speed reducer shell 1 and the differential bearing caps are machined, then the blank body is divided and formed into the intermediate axle main speed reducer shell 1 and the two intermediate axle differential bearing caps 3 through a cracking process, and the cracking process is specifically linear cutting or laser cutting.
The middle axle main speed reducer shell 1 and the two middle axle differential bearing caps 3 are integrally cast and formed into a blank body, and then the blank body is divided and formed into the middle axle main speed reducer shell 1 and the two middle axle differential bearing caps 3 through a cracking process, so that the shape of the joint of the middle axle main speed reducer shell 1 and the middle axle differential bearing caps 3 can be ensured to be consistent; the cutting precision of the expansion-fracture process is high, the size error of the joint of the intermediate axle main speed reducer shell 1 and the intermediate axle differential bearing cover 3 can be guaranteed to be low, and the assembling quality and the qualification rate of the intermediate axle main speed reducer shell 1 and the intermediate axle differential bearing cover 3 are improved.
Be provided with first mounting groove 31 on the differential bearing cap 3 of well axle, be provided with second mounting groove 11 on the main reducer shell 1 of well axle, first mounting groove 31 and the concatenation of second mounting groove 11 form the mounting hole of installation well differential bearing. The outside of well axle final drive shell 1 is provided with a plurality of strengthening ribs, and the strengthening rib can increase the structural strength of well axle final drive shell 1. The intermediate axle main speed reducer shell 1 is connected with the intermediate axle differential bearing cover 3 through bolts, specifically, through holes 32 allowing bolts to pass through are arranged on the intermediate axle differential bearing cover 3, threaded holes 12 matched with the bolts are arranged on the intermediate axle main speed reducer shell 1, and after the bolts pass through the through holes 32 on the intermediate axle differential bearing cover 3, the bolts are screwed in the intermediate axle main speed reducer shell 1 so as to fixedly connect the intermediate axle main speed reducer shell and the intermediate axle differential bearing cover.
The embodiment also discloses a middle axle assembly which comprises the middle axle speed reducer shell and the differential bearing cover assembly.
A middle axle main speed reducer shell 1 and two middle axle differential bearing covers 3 of the middle axle assembly are integrally cast and formed into a blank body, and then the blank body is divided and formed into the middle axle main speed reducer shell 1 and the two middle axle differential bearing covers 3 through a cracking process, so that the appearance of the connection part of the middle axle main speed reducer shell 1 and the middle axle differential bearing covers 3 can be ensured to be consistent; the cutting precision of the expansion-fracture process is high, the size error of the joint of the intermediate axle main speed reducer shell 1 and the intermediate axle differential bearing cover 3 can be guaranteed to be low, and the assembling quality and the qualification rate of the intermediate axle main speed reducer shell 1 and the intermediate axle differential bearing cover 3 are improved.
The embodiment also discloses a vehicle which comprises the middle axle assembly.
A middle axle main speed reducer shell 1 and two middle axle differential bearing covers 3 of the vehicle are integrally cast and formed into a blank body, and then the blank body is divided and formed into the middle axle main speed reducer shell 1 and the two middle axle differential bearing covers 3 through a cracking process, so that the shape of the joint of the middle axle main speed reducer shell 1 and the middle axle differential bearing covers 3 can be ensured to be consistent; the cutting precision of the expansion-fracture process is high, the size error of the joint of the intermediate axle main speed reducer shell 1 and the intermediate axle differential bearing cover 3 can be guaranteed to be low, and the assembling quality and the qualification rate of the intermediate axle main speed reducer shell 1 and the intermediate axle differential bearing cover 3 are improved.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (8)
1. A medium axle reducer housing and differential bearing cap assembly, comprising: the middle axle speed reducer comprises a middle axle speed reducer shell and two middle axle differential bearing covers (3), wherein the middle axle speed reducer shell comprises a middle axle cylindrical gear shell (2) and a middle axle main speed reducer shell (1) which are connected with each other;
the two middle axle differential bearing covers (3) are symmetrically arranged, the middle axle differential bearing covers (3) are connected to one end, far away from the middle axle cylindrical gear shell (2), of the middle axle main speed reducer shell (1), the middle axle main speed reducer shell (1) and the two middle axle differential bearing covers (3) are integrally cast into a blank body, and the blank body is processed and formed into the middle axle main speed reducer shell (1) and the two middle axle differential bearing covers (3) through a cracking process;
a connecting boss (33) is arranged on the middle axle differential bearing cover (3), and a connecting hole is formed in the connecting boss (33).
2. The mid-axle retarder housing and differential bearing cap assembly of claim 1, wherein the pop-off process is wire cut or laser cut.
3. A medium axle reducer case and differential bearing cap assembly according to claim 1, characterized in that the outside of the medium axle main reducer case (1) is provided with a plurality of reinforcing ribs.
4. The medium axle speed reducer housing and differential bearing cover assembly according to claim 1, wherein a first mounting groove (31) is provided on the medium axle differential bearing cover (3), a second mounting groove (11) is provided on the medium axle main speed reducer housing (1), and the first mounting groove (31) and the second mounting groove (11) are spliced to form a mounting hole for mounting a medium axle differential bearing.
5. A medium axle reducer case and differential bearing cap assembly according to claim 1, characterized in that the medium axle final drive case (1) and the medium axle differential bearing cap (3) are bolted.
6. A medium axle reducer housing and differential bearing cover assembly according to claim 5, characterized in that the medium axle differential bearing cover (3) is provided with through holes (32) allowing bolts to pass through, and the medium axle final drive housing (1) is provided with threaded holes (12) matching the bolts.
7. A mid-axle assembly comprising a mid-axle reducer case according to any one of claims 1 to 6 and a differential bearing cap assembly.
8. A vehicle comprising a mid-axle assembly as claimed in claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921721613.9U CN210920032U (en) | 2019-10-14 | 2019-10-14 | Medium bridge reduction gear casing and differential mechanism bearing cap subassembly, medium bridge assembly and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921721613.9U CN210920032U (en) | 2019-10-14 | 2019-10-14 | Medium bridge reduction gear casing and differential mechanism bearing cap subassembly, medium bridge assembly and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210920032U true CN210920032U (en) | 2020-07-03 |
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ID=71366360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921721613.9U Active CN210920032U (en) | 2019-10-14 | 2019-10-14 | Medium bridge reduction gear casing and differential mechanism bearing cap subassembly, medium bridge assembly and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210920032U (en) |
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2019
- 2019-10-14 CN CN201921721613.9U patent/CN210920032U/en active Active
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