CN209370416U - A kind of main reducing gear of drive axle housing assy - Google Patents
A kind of main reducing gear of drive axle housing assy Download PDFInfo
- Publication number
- CN209370416U CN209370416U CN201821996520.2U CN201821996520U CN209370416U CN 209370416 U CN209370416 U CN 209370416U CN 201821996520 U CN201821996520 U CN 201821996520U CN 209370416 U CN209370416 U CN 209370416U
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- China
- Prior art keywords
- differential
- bearing
- differential bearing
- left differential
- bearing lid
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Abstract
The utility model provides a kind of main reducing gear of drive axle housing assy, final drive casing and a left side, right two differential bearing lids are using integrated casting technique, the horizontal diameter direction cracking of the left differential axle bearing bore of left differential bearing cover rim is separated into one, and integrally left differential bearing covers portion and a left differential bearing lid lower part with final drive casing, left differential bearing can be covered to portion using the feature of cracking face interlocking after cracking separation accurately to reset with left differential bearing lid lower part, and it is wrestled surely by differential bearing bolt of cover setting and tightly carries out subsequent finishing, the utility model can reduce die cost, improve casting efficiency；Processing cost is reduced, assembly efficiency is improved；The precision and differential bearing adjustment ring screw thread accuracy of alignment that preferably ensure that differential axle bearing bore, can effectively improve the assembly precision and rigidity of support of differential assembly, to improve the accuracy of mesh of driving and driven bevel gear, guarantee its properties and service life.
Description
Technical field
The utility model belongs to automobile drive axle technical field, in particular to a kind of main reducing gear of drive axle housing assy.
Background technique
Currently, automobile drive axle main reducing gear shell assembly mainly includes final drive casing, differential bearing lid and differential mechanism
Bearing cap connects the composition such as bolt, and main function is support driving and driven bevel gear, engages it accurately, and in the process of work
It is middle to keep reliable, stablize.Wherein, final drive casing with differential bearing sheet is solely cast, independent machine passes through differential axle after adding
Hold lid connection bolt fastening component processing differential axle bearing bore and differential bearing adjustment ring screw thread.The structure machine dosage is big, closes
The size of fastening bolt screw-down torque will affect the circularity of differential axle bearing bore when part is processed, and need final drive casing with
Positioning device is arranged in differential bearing lid binding face, otherwise can cause final drive casing differential bearing semicircle orifice and differential axle
Hold the decentraction of lid semicircle orifice or final drive casing adjusting ring of differential mechanism screw thread and differential bearing lid adjustment ring threading dislocations, shadow
Performance and the service life for ringing differential bearing, to influence performance and the service life of driving and driven bevel gear.
Summary of the invention
The utility model is that assembly precision is low when existing final drive casing being overcome to assemble with differential bearing lid, it is poor to influence
The problem of performance and service life to influence drive bevel gear of the performance of fast device bearing and service life, provide a kind of driving bridge main reducing
Fast device housing assy.
The utility model adopts the following technical scheme that realization:
A kind of main reducing gear of drive axle housing assy, including final drive casing, left differential bearing lid and right differential bearing
Lid, left differential bearing lid middle part are machined with left differential axle bearing bore, are machined with right differential axle in the middle part of right differential bearing lid
Bearing bore, which is characterized in that left differential bearing lid and right differential bearing Gai Junyu final drive casing are cast integrally, wherein
Left differential bearing, which is covered, processes two differential bearing lids being vertically arranged positioned at the position of left differential axle bearing bore two sides
The horizontal diameter direction cracking of the left differential axle bearing bore of left differential bearing cover rim is separated into one and subtracted with master by link bolt hole
The left differential bearing of fast device shell one covers portion and a left differential bearing lid lower part, and each differential bearing lid connects spiral shell
Keyhole also cracks separation formation and covers portion's link bolt hole positioned at left differential bearing upper part of the cover differential bearing and be located at a left side
The differential bearing lid lower part link bolt hole of differential bearing lid lower part, left differential bearing upper part of the cover cracking face and left difference
Then the cracking face bonding of fast device bearing cap lower part is screwed under differential bearing lid by two differential bearing bolt of cover setting
Portion's link bolt hole and differential bearing cover in portion's link bolt hole, by left differential bearing lid lower part and left differential bearing
The portion of covering is connected to one.
Compared with prior art the beneficial effects of the utility model are:
A kind of main reducing gear of drive axle housing assy provided by the utility model, final drive casing and left and right two differential mechanisms
Bearing cap is using integrated casting technique, by cracking separation by left-side differential bearing cap along the level of left differential axle bearing bore
Diametrical direction cracking is separated into left differential bearing and covers portion and left differential bearing lid lower part, to facilitate differential assembly to fill
Match, can will cover portion with the left differential bearing of final drive casing one using the feature of cracking face interlocking after cracking separation
It is accurately resetted with left differential bearing lid lower part, and is wrestled surely by differential bearing bolt of cover setting and tightly carry out subsequent finishing
Work.
The utility model uses integral casting process, can reduce die cost, improve casting efficiency；Right differential bearing
Lid using and final drive casing integrated design, eliminate former differential mechanism bearing cap and final drive casing binding face, bolt hole
Processing, improves processing efficiency, reduces processing cost, and eliminates two differential bearing lid connection bolts, reduces
Assembly cost, improves assembly efficiency；Left differential bearing lid, using integrated casting, is separated with final drive casing by cracking
Top half and a lower half portion with final drive casing one, eliminate former differential mechanism bearing cap and final drive casing pastes
The processing in conjunction face, improves processing efficiency, reduces processing cost, and the feature for taking full advantage of the interlocking of cracking face is big
The positioning accuracy for improving differential bearing lid and final drive casing greatly, preferably ensure that the precision and difference of differential axle bearing bore
Fast device bearing adjustment ring screw thread accuracy of alignment, can effectively improve the assembly precision and rigidity of support of differential assembly, to improve
The accuracy of mesh of driving and driven bevel gear guarantees its properties and service life.
Detailed description of the invention
The utility model will be further described below with reference to the accompanying drawings:
Fig. 1 is a kind of structural schematic diagram of main reducing gear of drive axle housing assy described in the utility model；
Fig. 2 is the structural schematic diagram of differential bearing lid link bolt hole described in the utility model；
Fig. 3 is the structural schematic diagram of initial cracking groove described in the utility model
In figure: 1. final drive casings, 2. left differential bearing lids, 3. differential bearing bolt of cover setting, 4. differential axles
Hold lid link bolt hole, 5. initial cracking grooves.
Specific embodiment
The utility model is explained in detail with reference to the accompanying drawing:
As shown in Figure 1, the utility model provides a kind of main reducing gear of drive axle housing assy, including final drive casing 1, a left side
Differential bearing lid 2 and right differential bearing lid are machined with left differential axle bearing bore, right differential in the middle part of left differential bearing lid 2
Right differential axle bearing bore, left differential bearing lid 2 and right differential bearing Gai Junyu main reducing gear are machined in the middle part of device bearing cap
Shell 1 is cast integrally, wherein as shown in Fig. 2, the position on left differential bearing lid 2 positioned at left differential axle bearing bore two sides adds
Work goes out two differential bearing lid link bolt hole 4 being vertically arranged, as shown in figure 3, by left differential bearing lid 2 along left differential
The horizontal diameter direction cracking of device bearing hole is separated into one and the left differential bearing of 1 one of final drive casing covers portion and one
A left differential bearing lid lower part, differential bearing lid link bolt hole 4, which also cracks separation and formed, is located at left differential bearing lid
The differential bearing on top covers portion's link bolt hole and differential bearing lid lower part link bolt hole, and left differential bearing covers
The cracking face bonding in the cracking face and left differential bearing lid lower part in portion, then passes through two differential bearing bolt of cover setting 3
It screws in differential bearing lid lower part link bolt hole and differential bearing covers in portion's link bolt hole, by left differential bearing lid
Lower part is connected to one with the left differential bearing portion of covering.
A kind of manufacturing process of main reducing gear of drive axle housing assy described in the utility model is as follows: final drive casing 1 with
Right differential bearing lid and left differential bearing lid 2 are using integrated casting technique, as shown in Fig. 2, first in left differential mechanism
The position that bearing cap 2 is located at left differential axle bearing bore two sides processes the differential bearing of two with 1 fastening of final drive casing
Lid link bolt hole 4；Then semifinishing is carried out to left differential axle bearing bore and right differential axle bearing bore, as shown in figure 3, on a left side
The diametric two sides of differential bearing hole horizontal process initial cracking groove 5；The cracking of left differential bearing lid 2 is separated into again
The left differential bearing of one and the one of final drive casing 1 covers portion and a left differential bearing lid lower part,；Finally by
Two differential bearing bolt of cover setting 3 screw in differential bearing lid lower part link bolt hole and connect with the differential bearing portion of covering
Left differential bearing lid lower part and the left differential bearing portion of covering are connected to one in bolt hole, complete subsequent left difference
Fast device bearing hole and the finishing of right differential axle bearing bore and differential bearing adjustment ring screw thread process.
Claims (1)
1. a kind of main reducing gear of drive axle housing assy, including final drive casing (1), left differential bearing lid (2) and right differential mechanism
Bearing cap, left differential bearing lid (2) middle part are machined with left differential axle bearing bore, are machined with right difference in the middle part of right differential bearing lid
Fast device bearing hole, which is characterized in that left differential bearing lid (2) and the casting of right differential bearing Gai Junyu final drive casing (1)
Integrally, wherein the position on left differential bearing lid (2) positioned at left differential axle bearing bore two sides processes two and is vertically arranged
Differential bearing lid link bolt hole (4), by left differential bearing lid (2) along the horizontal diameter direction of left differential axle bearing bore
Cracking is separated into one and the left differential bearing of final drive casing (1) one covers under portion and a left differential bearing lid
Portion, each differential bearing lid link bolt hole (4), which also cracks separation and formed, is located at left differential bearing upper part of the cover differential mechanism
Bearing cap top link bolt hole and differential bearing lid lower part link bolt hole positioned at left differential bearing lid lower part, left difference
The cracking face bonding in fast device bearing upper part of the cover cracking face and left differential bearing lid lower part, then passes through two differential bearings
Bolt of cover setting (3) screws in differential bearing lid lower part link bolt hole and differential bearing covers in portion's link bolt hole, will
Left differential bearing lid lower part is connected to one with the left differential bearing portion of covering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821996520.2U CN209370416U (en) | 2018-11-30 | 2018-11-30 | A kind of main reducing gear of drive axle housing assy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821996520.2U CN209370416U (en) | 2018-11-30 | 2018-11-30 | A kind of main reducing gear of drive axle housing assy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209370416U true CN209370416U (en) | 2019-09-10 |
Family
ID=67834852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821996520.2U Active CN209370416U (en) | 2018-11-30 | 2018-11-30 | A kind of main reducing gear of drive axle housing assy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209370416U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115026263A (en) * | 2022-06-09 | 2022-09-09 | 浙江惠通全成重工机械科技有限公司 | Speed reducer box is mould for casting |
-
2018
- 2018-11-30 CN CN201821996520.2U patent/CN209370416U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115026263A (en) * | 2022-06-09 | 2022-09-09 | 浙江惠通全成重工机械科技有限公司 | Speed reducer box is mould for casting |
| CN115026263B (en) * | 2022-06-09 | 2024-04-12 | 浙江惠通全成重工机械科技有限公司 | Die for casting speed reducer box |
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