CN207178441U - A kind of automobile gearbox one axle of output - Google Patents
A kind of automobile gearbox one axle of output Download PDFInfo
- Publication number
- CN207178441U CN207178441U CN201721145009.7U CN201721145009U CN207178441U CN 207178441 U CN207178441 U CN 207178441U CN 201721145009 U CN201721145009 U CN 201721145009U CN 207178441 U CN207178441 U CN 207178441U
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- shaft part
- axle
- output
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Abstract
The utility model discloses a kind of automobile gearbox one axle of output, one axle of the output is the axle of output one after roughing, one axle of the output is integral type, one axle of the output is integral type, there are the first centre bore and the second centre bore in both ends, including the first shaft part, the second shaft part, the 3rd shaft part, the 4th shaft part, the 5th shaft part, the 6th shaft part, the 7th shaft part, the 8th shaft part being sequentially connected.The beneficial effects of the utility model：Element precision is high, and heat-treated sturcture meets workpiece requirement, the use of isothermal normalizing technique, realizes effective control of part quality, so as to improve machinability and heat treatment deformation stability；The more common normalizing of isothermal normalizing can obtain the microscopic structure and hardness of uniformity needs.
Description
Technical field
It the utility model is related to a kind of automobile gearbox part, more particularly to a kind of output one of automobile gearbox
Axle.
Background technology
Speed changer is one of main composition of car transmissions.The actual use situation of automobile is extremely complex, such as starting,
Idling parking, low speed or run at high speed, accelerate, slow down, climb and move backward, this requires that the driving force of automobile and speed can be
Change in sizable scope, and the output torque and rotation speed change scope of piston-mode motor widely used at present are smaller.
In order to adapt to the driving conditions often changed, while engine under favourable operating mode (power is higher, oil consumption is relatively low) is set to work,
Speed changer is provided with transmission system.Input shaft is the axle that power enters speed changer, and power enters from engine through input shaft
Speed changer, then impart power to output gear with the input gear on moving axis by input shaft and drive one axle of output to rotate, and
Differential mechanism motion is driven, automobile can be to advance or retreat.
Power is entered after gear box from input shaft, it will starts the travelling between gear.Tooth in casing
Wheel camp on the contrary divides very well, two input shafts, two output shafts, then will again plus the mechanism of a set of parking lock and to wheel
Semiaxis conveys the differential mechanism of power.Two input shafts are connected with K1 clutches and K2 clutches respectively, using the side of inside and outside fit
Formula, input an axle on be 1357 gears gear, input two axles on be then 246R gear.When two clutch alternations
When, power can just keep off between even number gear in odd number and continue.And 1-4 shelves are connected to one axle of output, 5-7 gears are connected to output
Two axles, reverse gear and parking lock device are connected to three axles of output.
Output shaft of gear-box is in the axial workpiece to work at a high speed, under fully loaded transportation condition, is had in motion process repeatedly
Fatigue resistance, wearability and enough intensity, rigidity and mechanical property etc., thus selection on material, blank manufacture,
The requirement such as machining and heat treatment, tolerance is very high, in conventional production, can not be properly arrived at requirement.
Utility model content
Technical problem to be solved in the utility model is the provision of a kind of precision height, and heat-treated sturcture, which meets to use, to be wanted
The automobile gearbox asked one axle of output.
The utility model is that solve above-mentioned technical problem by the following technical programs：One axle of output described in the utility model
For the axle of output one after roughing, one axle of the output is integral type, and there are the first centre bore and the second centre bore in both ends, including according to
The first shaft part, the second shaft part, the 3rd shaft part, the 4th shaft part, the 5th shaft part, the 6th shaft part, the 7th shaft part, the 8th axle of secondary connection
Section.
Preferably, the 7th shaft section diameter is maximum, first shaft part, the second shaft part, the 3rd shaft part, the 4th shaft part,
5th shaft part, the 6th shaft part and the 8th shaft part, diameter increase successively.
Preferably, the face on the basis of the 7th shaft part head end face, the first shaft part head end to reference plane distance is L1=
164.3mm diameter D1=29.35mm；Second shaft part head end to reference plane distance be L2=140.9mm, diameter D2=
35.35mm；3rd shaft part head end to reference plane distance be L3=112mm, diameter D3=36.7mm；4th shaft part head end is to benchmark
Identity distance is from for L4=93.9mm, diameter D4=38.35mm；5th shaft part head end to reference plane distance be L5=41mm, diameter D5
=39.8mm；6th shaft part head end to reference plane distance be L6=23.9mm, diameter D6=42.35mm；7th shaft part length is
L7=37.6mm, diameter D7=62.8mm；8th shaft part end to reference plane distance be L8=62.6mm, diameter D8=
46.3mm。
Preferably, all shaft section diameter tolerances of one axle of the output are 0~-0.15mm；The 8th shaft part end
Tolerance to reference plane distance is+0.08mm~-0.08mm, and remaining distance or length tolerance are+0.1mm~-0.1mm.
Preferably, for first shaft part to the 7th shaft part, the equal section in each two shaft part junction is trapezoidal changeover portion；Institute
Stating the first shaft part has chamfering, and there is chamfering the 8th shaft part end.
Preferably, first centre bore, the second centre bore are circular hole and cylindrical hole is tangent forms, and using S ￠
When 22mm ball and tangent R36mm circular holes, circularity 0.03mm at this, ball end points is away from the first shaft part end face distance L9=
14.7mm, tolerance are+0.05mm~-0.05mm；When tangent using S ￠ 30mm ball and R51mm circular holes, circularity at this
0.03mm, for ball end points away from the 8th shaft part end face distance L10=21.38mm, tolerance is+0.03mm~-0.03mm.
Preferably, first depth of center hole is 25mm, body diameter 10mm；Second depth of center hole is 30mm,
Body diameter is 12.5mm.
The utility model has advantages below compared with prior art：The utility model element precision is high, and heat-treated sturcture is full
The requirement of sufficient workpiece, the use of isothermal normalizing technique, realizes effective control of part quality, so as to improve machinability and
Heat treatment deformation stability；The more common normalizing of isothermal normalizing can obtain the microscopic structure and hardness of uniformity needs.
Brief description of the drawings
Fig. 1 is the structural representation that a kind of automobile gearbox of the utility model exports an axle；
Fig. 2 is the scale diagrams that a kind of automobile gearbox of the utility model exports an axle；
Fig. 3 is the process chart that a kind of automobile gearbox of the utility model exports an axle.
The shaft part 160 of the 5th shaft part 150 of first shaft part, 110 second shaft part 120 the 4th shaft part 140 of the 3rd shaft part 130 the 6th
The centre bore 220 of 180 first centre bore of the 8th shaft part of seven shaft parts 170 210 second
Embodiment
Embodiment of the present utility model is elaborated below, the present embodiment using technical solutions of the utility model before
Put and implemented, give detailed embodiment and specific operating process, but the scope of protection of the utility model is unlimited
In following embodiments.
As shown in figure 1, it is the axle of output one after roughing that the present embodiment, which includes one axle of the output, one axle of the output is
There are the first centre bore 210 and the second centre bore 220 in integral type, both ends, including the first shaft part 110, the second shaft part being sequentially connected
120th, the 3rd shaft part 130, the 4th shaft part 140, the 5th shaft part 150, the 6th shaft part 160, the 7th shaft part 170, the 8th shaft part 180.
The diameter of 7th shaft part 170 is maximum, the first shaft part 110, the second shaft part 120, the 3rd shaft part 130, the 4th shaft part
140th, the 5th shaft part 150, the 6th shaft part 160 and the 8th shaft part 180, diameter increase successively.
As shown in Fig. 2 the face on the basis of the head end face of the 7th shaft part 170, the head end of the first shaft part 110 to reference plane distance is L1
=164.3mm, diameter D1=29.35mm；The head end of second shaft part 120 to reference plane distance be L2=140.9mm, diameter D2=
35.35mm；The head end of 3rd shaft part 130 to reference plane distance be L3=112mm, diameter D3=36.7mm；The head end of 4th shaft part 140
It is L4=93.9mm, diameter D4=38.35mm to reference plane distance；The head end of 5th shaft part 150 to reference plane distance be L5=
41mm, diameter D5=39.8mm；The head end of 6th shaft part 160 to reference plane distance be L6=23.9mm, diameter D6=42.35mm；
The length of 7th shaft part 170 is L7=37.6mm, diameter D7=62.8mm；The end of 8th shaft part 180 to reference plane distance be L8=
62.6mm, diameter D8=46.3mm.
All shaft section diameter tolerances of one axle of the output are 0~-0.15mm；The end of 8th shaft part 180 is to base
Quasi- identity distance from tolerance be+0.08mm~-0.08mm, remaining distance or length tolerance be+0.1mm~-0.1mm.
The shaft part 170 of first shaft part 110 to the 7th, the equal section in each two shaft part junction are trapezoidal changeover portion；Institute
Stating the head end of the first shaft part 110 has chamfering, and there is chamfering the end of the 8th shaft part 180.
First centre bore 210, the second centre bore 220 are circular hole and cylindrical hole is tangent forms, and using S ￠
When 22mm ball and tangent R36mm circular holes, circularity 0.03mm at this, ball end points is away from the end face distance L9=of the first shaft part 110
14.7mm, tolerance are+0.05mm~-0.05mm；When tangent using S ￠ 30mm ball and R51mm circular holes, circularity at this
0.03mm, for ball end points away from the end face distance L10=21.38mm of the 8th shaft part 180, tolerance is+0.03mm~-0.03mm.
First depth of center hole is 25mm, body diameter 10mm；Second depth of center hole is 30mm, body diameter
For 12.5mm.
As shown in figure 3, process of the present utility model is as follows：
Step 1：The inspection of raw and process materials, carry out composition detection using stokehold spectroanalysis instrument, acid etching estimates macrostructure, Rockwell
Hardometer test H, microscope observation banded structure, supersonic detector observation interior tissue；
Step 2：Blanking, raw material are decomposed using band sawing machine, ensure end face Chui Zhi Du≤1mm；
Step 3：Heating, using 500KW intermediate frequency heatings, heating-up temperature is 1080-1180 DEG C, heating beat 25 ± 2 seconds,
And it is monitored by heating relay；
Step 4：Rolling, roll forming is carried out using cross wedge rolling machine；
Step 5：Material head is removed, material head is carried out using band sawing machine；
Step 6：Decompose, katolysis is carried out using band sawing machine；
Step 7：Alignment, is straightened using hydraulic straightening machine to workpiece, circle bounce≤0.8mm；
Step 8：Isothermal normalizing, handled using push-down isothermal normalizing furnace, realize hardness：HB150-180, hardness are equal
Even property：Same batch≤20HB, single-piece≤10HB, same to section≤5HB；Metallographic structure：P+F≤3 grade, banded structure≤3 grade；Grain size
5-8 levels；
Step 9：End face milling drill centers, milling bore Digit Control Machine Tool and carry out end face milling and drill centers, large end face center hole depth
It is 25mm to spend for 30mm, other end depth of center hole；Roughness is Ra2.5, bounce of each cylindrical and end face to centre bore≤
0.10；
Step 10：Rough turn short end, precise NC lathe carry out rough turn short end；
Step 11：Rough turn long end, precise NC lathe carry out rough turn long end；
Step 12：Examine storage.
It is described that flaw detection processing is carried out using supersonic detector to workpiece between step 7 and step 8.
The lathe rotating speed of the step 10 and step 11：950r/min, the amount of feeding：150mm/min.
Check position takes the three, the 5th shaft parts.
Utility model works process is as follows, and one axle of output includes 1,2,3,4 grade of synchronizer and power shift gear.Export two axles
Comprising 5,6,7 grades and gearshift power shift gear and the output gear that is connected with clutch of speed changer output speed sensor gear.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (7)
1. a kind of automobile gearbox one axle of output, it is characterised in that the axle that exports is the axle of output one after roughing, institute
It is integral type to state one axle of output, and there are the first centre bore and the second centre bore in both ends, including the first shaft part, the second axle being sequentially connected
Section, the 3rd shaft part, the 4th shaft part, the 5th shaft part, the 6th shaft part, the 7th shaft part, the 8th shaft part.
A kind of 2. automobile gearbox according to claim 1 one axle of output, it is characterised in that the 7th shaft section diameter
Maximum, first shaft part, the second shaft part, the 3rd shaft part, the 4th shaft part, the 5th shaft part, the 6th shaft part and the 8th shaft part, diameter
Increase successively.
3. a kind of automobile gearbox according to claim 2 one axle of output, it is characterised in that with the 7th shaft part head end face
On the basis of face, the first shaft part head end to reference plane distance be L1=164.3mm, diameter D1=29.35mm；Second shaft part head end arrives
Reference plane distance is L2=140.9mm, diameter D2=35.35mm；3rd shaft part head end to reference plane distance be L3=112mm,
Diameter D3=36.7mm；4th shaft part head end to reference plane distance be L4=93.9mm, diameter D4=38.35mm；5th shaft part
Head end to reference plane distance be L5=41mm, diameter D5=39.8mm；6th shaft part head end to reference plane distance be L6=
23.9mm, diameter D6=42.35mm；7th shaft part length is L7=37.6mm, diameter D7=62.8mm；8th shaft part end is arrived
Reference plane distance is L8=62.6mm, diameter D8=46.3mm.
A kind of 4. automobile gearbox according to claim 3 one axle of output, it is characterised in that the institute of one axle of the output
It is 0~-0.15mm to have shaft section diameter tolerance；The 8th shaft part end to reference plane distance tolerance for+0.08mm~-
0.08mm, remaining distance or length tolerance are+0.1mm~-0.1mm.
A kind of 5. automobile gearbox according to claim 1 one axle of output, it is characterised in that first shaft part to the
Seven shaft parts, the equal section in each two shaft part junction are trapezoidal changeover portion；First shaft part has chamfering, and the 8th shaft part end has
Chamfering.
A kind of 6. automobile gearbox according to claim 1 one axle of output, it is characterised in that first centre bore,
Second centre bore is circular hole and cylindrical hole is tangent forms, and using S ￠ 22mm ball and tangent R36mm circular holes when, should
Locate circularity 0.03mm, for ball end points away from the first shaft part end face distance L9=14.7mm, tolerance is+0.05mm~-0.05mm；Using S
When ￠ 30mm ball and tangent R51mm circular holes, circularity 0.03mm at this, ball end points is away from the 8th shaft part end face distance L10=
21.38mm, tolerance are+0.03mm~-0.03mm.
A kind of 7. automobile gearbox according to claim 6 one axle of output, it is characterised in that first center hole depth
Spend for 25mm, body diameter 10mm；Second depth of center hole is 30mm, body diameter 12.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721145009.7U CN207178441U (en) | 2017-09-07 | 2017-09-07 | A kind of automobile gearbox one axle of output |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721145009.7U CN207178441U (en) | 2017-09-07 | 2017-09-07 | A kind of automobile gearbox one axle of output |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207178441U true CN207178441U (en) | 2018-04-03 |
Family
ID=61743224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721145009.7U Expired - Fee Related CN207178441U (en) | 2017-09-07 | 2017-09-07 | A kind of automobile gearbox one axle of output |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207178441U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107763057A (en) * | 2017-09-07 | 2018-03-06 | 安庆市振发汽车锻件有限责任公司 | A kind of automobile gearbox one axle of output and its roughing technique |
-
2017
- 2017-09-07 CN CN201721145009.7U patent/CN207178441U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107763057A (en) * | 2017-09-07 | 2018-03-06 | 安庆市振发汽车锻件有限责任公司 | A kind of automobile gearbox one axle of output and its roughing technique |
| CN107763057B (en) * | 2017-09-07 | 2023-12-12 | 堃昊电子科技(江苏)有限公司 | Output one shaft for automobile gearbox and rough machining process of output one shaft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180403 Termination date: 20210907 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |