CN106151506A - Shifting of transmission fork and the system of manufacture - Google Patents
Shifting of transmission fork and the system of manufacture Download PDFInfo
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- CN106151506A CN106151506A CN201610320616.6A CN201610320616A CN106151506A CN 106151506 A CN106151506 A CN 106151506A CN 201610320616 A CN201610320616 A CN 201610320616A CN 106151506 A CN106151506 A CN 106151506A
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- gear shift
- finger
- alloy
- adjutage
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/32—Gear shift yokes, e.g. shift forks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/32—Gear shift yokes, e.g. shift forks
- F16H2063/321—Gear shift yokes, e.g. shift forks characterised by the interface between fork body and shift rod, e.g. fixing means, bushes, cams or pins
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/32—Gear shift yokes, e.g. shift forks
- F16H2063/322—Gear shift yokes, e.g. shift forks characterised by catches or notches for moving the fork
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/32—Gear shift yokes, e.g. shift forks
- F16H2063/327—Gear shift yokes, e.g. shift forks essentially made of sheet metal
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Gear-Shifting Mechanisms (AREA)
- Composite Materials (AREA)
- Manufacturing & Machinery (AREA)
- Powder Metallurgy (AREA)
Abstract
The present invention relates to shifting of transmission fork and manufacture system.Selector fork assembly include bar, outstanding sleeve pipe, gear shift refer to, pivot support frame and lock unit fork.Gear shift refers to have adjutage and finger.Adjutage has the first end and the second end, and wherein the first end is fixed to the first end of outstanding sleeve pipe, and the second end is fixed to finger, and finger includes a pair protuberance optionally engaging with the gear level of variator.Finger is to utilize powder metal sintering process to make, and wherein uses zones of different that the first and second powder metal alloy are parts to provide different material behavior.
Description
Technical field
It relates to variator, relate more specifically to the selector fork of a kind of compact variator for using manual type shifter.
Background technology
Statement in this section only provides the background information relevant with the disclosure and or can not constitute prior art.
Manually or modular transmission utilizes mechanical gear shift mechanism to control the joint of lock unit and respective axle to have many grades of the typical case of the lock unit for gear is connected to axle.Constitute some components in the mechanical component of shifter and include that lock unit fork, guide rail and gear shift refer to.In some cases, any one component can be used for realizing many different purposes of design.Such as, in some purposes, may require that have high-impact has the lock unit fork of the highest dimensional accuracy simultaneously.Single parts design must be become to have multifrequency nature, even if these characteristics can mutually detract by this.
Although current mechanical gear shift mechanism achieves their expection purpose, but the demand for the manufacture method that is new and that improve for manufacturing the parts showing multiple engineering parameters is substantially constant.Therefore, provide the manufacture method of preferable encapsulation characteristic and gearbox selector to there is demand for having the designed capacity of improvement in the art simultaneously.
Summary of the invention
The present invention provides the variator of a kind of selector fork assembly having for optionally engaging with lock unit；Selector fork assembly include bar, outstanding sleeve pipe, gear shift refer to, pivot support frame and lock unit fork.Bar is supported by the housing of variator.Outstanding sleeve pipe has the first end and the second end.Outstanding sleeve pipe is supported by bar.Gear shift refers to have adjutage and finger.Adjutage has the first end and the second end, and the first end is fixed to the first end of outstanding sleeve pipe.Second end is fixed to finger.Finger includes a pair protuberance, and protuberance is optionally engaged by this with the gear level of variator.Pivot support frame is fixed to the housing of variator.Lock unit fork has the first end, forked end and pivoting point.The second end that first end refers to gear shift engages.Forked end engages with lock unit.Pivoting point is rotatably supported by pivot support frame.
In another example of the present invention, the first end of adjutage is soldered to the first end of outstanding sleeve pipe.
In another example of the present invention, adjutage is to be formed by the ferroalloy with good welds.
In another example of the present invention, adjutage is to be formed by containing the C of 0.2% and the alloy of Fe of surplus.
In another example of the present invention, the finger that gear shift refers to has high surface hardness.
In another example of the present invention, the finger that gear shift refers to is to be formed by the alloy of the Ni containing the C of the Cu of the Mo of the Cr of about 0-2.0%, about 0-2.0%, about 0-2%, about 0-0.8%, about 0-1.0% and the Fe of surplus.
In another example of the present invention, gear shift refers to it is to use the different powder metal alloy of at least two to be formed in powder metal sintering process.
In another example of the present invention, the finger that gear shift refers to is to be formed by the first alloy, and adjutage is to be formed by the second alloy.
In another example of the present invention, the first alloy is the alloy of the Fe of the Cr containing 1.8%, the C of 0.5% and surplus, and the second alloy is the alloy of the Fe of the C containing 0.2% and surplus.
The gear shift of the selector fork assembly that the present invention also provides for a kind of variator refers to.Gear shift refers to include adjutage and finger.Adjutage has the first end and the second end, and the first end is fixed to first end of outstanding sleeve pipe of selector fork assembly.Finger is fixed to the second end of this adjutage, and wherein finger includes a pair protuberance optionally engaged with the gear level of variator.
In an example of the present invention, adjutage is to be formed by the ferroalloy with good welds.
In another example of the present invention, adjutage is to be formed by containing the C of 0.2% and the alloy of Fe of surplus.
In another example of the present invention, the finger that gear shift refers to has high surface hardness.
In another example of the present invention, the finger that gear shift refers to is to be formed by the alloy of the Fe containing the Cr of 1.8%, the C of 0.5% and surplus.
In another example of the present invention, gear shift refers to it is to use the different powder metal alloy of at least two to be formed in powder metal sintering process.
In another example of the present invention, the finger that gear shift refers to is to be formed by the first alloy, and adjutage is to be formed by the second alloy.
In another example of the present invention, the first alloy is the alloy of the Fe of the Cr containing 1.8%, the C of 0.5% and surplus, and the second alloy is the alloy of the Fe of the C containing 0.2% and surplus.
In another example of the present invention, gear shift refers to it is to utilize powder metal sintering process to be formed.Powder metal sintering process comprises the following steps.First step obtains the mould that gear shift refers to.Mould is fixed in hydraulic compression-moulding machine by second step.Third step is filled the Part I of mold cavity with the first alloy powder and fills the Part II of mold cavity with the second alloy powder.First and second alloy powders are compacted in mold cavity by the 4th step.The alloy powder of compacting is heated to complete the fully sintered of alloy powder by the 5th step.
The present invention provides techniques below scheme:
1. a selector fork assembly for the lock unit for being selectively engaged in variator, described selector fork assembly includes:
The bar supported by the housing of described variator；
There is the outstanding sleeve pipe of the first end and the second end, and wherein said outstanding sleeve pipe is supported by described bar；
The gear shift with adjutage and finger refers to, and wherein said adjutage has the first end and the second end, and described first end is fixed to described first end of described outstanding sleeve pipe, described second end is fixed to described finger, and described finger includes a pair protuberance that optionally gear level with described variator engages；
It is fixed to the pivot support frame of the housing of described variator；With
Having the lock unit fork of the first end, forked end and pivoting point, the second end that wherein said first end refers to described gear shift engages, and described forked end engages with lock unit, and described pivoting point is pivotably supported by described pivot support frame.
2. the selector fork assembly as described in scheme 1, wherein, described first end of described adjutage is soldered to described first end of described outstanding sleeve pipe.
3. the selector fork assembly as described in scheme 1, wherein, described adjutage is to be formed by the ferroalloy with good welds.
4. the selector fork assembly as described in scheme 1, wherein, described adjutage is to be formed by containing the C of 0.2% and the alloy of Fe of surplus.
5. the selector fork assembly as described in scheme 1, wherein, the described finger that described gear shift refers to has high surface hardness.
6. the selector fork assembly as described in scheme 1, wherein, the described finger that described gear shift refers to is to be formed by the alloy of the Ni containing the C of the Cu of the Mo of the Cr of about 0-2.0%, about 0-2.0%, about 0-2%, about 0-0.8%, about 0-1.0% and the Fe of surplus.
7. the selector fork assembly as described in scheme 1, wherein, described gear shift refers to it is to use the different powder metal alloy of at least two to be formed in powder metal sintering process.
8. the selector fork assembly as described in scheme 1, wherein, the described finger that described gear shift refers to is to be formed by the first alloy, and described adjutage is to be formed by the second alloy.
9. the selector fork assembly as described in scheme 8, wherein, described first alloy is the alloy of the Fe of the Cr containing 1.8%, the C of 0.5% and surplus, and described second alloy is the alloy of the Fe of the C containing 0.2% and surplus.
10. the gear shift of a selector fork assembly refers to, described gear shift refers to include:
There is the first end and the adjutage of the second end, and described first end be fixed to first end of outstanding sleeve pipe of described selector fork assembly,
It is fixed to the finger of described second end of this adjutage, and wherein said finger includes a pair protuberance optionally engaging with the gear level of variator.
11. gear shift as described in scheme 10 refer to, wherein, described adjutage is to be formed by the ferroalloy with good welds.
12. gear shift as described in scheme 10 refer to, wherein, described adjutage is to be formed by the alloy of the Ni containing the C of the Cu of the Mo of the Cr of about 0-2.0%, about 0-2.0%, about 0-2%, about 0-0.8%, about 0-1.0% and the Fe of surplus.
13. gear shift as described in scheme 10 refer to, wherein, the described finger that described gear shift refers to has high surface hardness.
14. gear shift as described in scheme 10 refer to, wherein, the described finger that described gear shift refers to is to be formed by the alloy of the Fe containing the Cr of 1.8%, the C of 0.5% and surplus.
15. gear shift as described in scheme 10 refer to, wherein, described gear shift refers to it is to use the different powder metal alloy of at least two to be formed in powder metal sintering process.
16. gear shift as described in scheme 10 refer to, wherein, the described finger that described gear shift refers to is to be formed by the first alloy, and described adjutage is to be formed by the second alloy.
17. gear shift as described in scheme 17 refer to, wherein, described first alloy is the alloy of the Fe of the Cr containing 1.8%, the C of 0.5% and surplus, and described second alloy is the alloy of the Fe of the C containing 0.2% and surplus.
18. gear shift as described in scheme 10 refer to, wherein, described gear shift refers to it is to utilize powder metal sintering process to be formed, and described powder metal sintering process comprises the following steps:
Obtain the first step of the mould that described gear shift refers to；
Secure the mold in the second step in hydraulic compression-moulding machine；
The Part I of described mold cavity and the third step of the Part II with the second alloy powder described mold cavity of filling is filled with the first alloy powder；
The 4th step that described first and second alloy powders are compacted in described mold cavity；With
The alloy powder of described compacting is heated thus obtains the 5th fully sintered step of described alloy powder.
19. gear shift as described in scheme 10 refer to, wherein, described gear shift refers to include described first alloy and the interface of the second alloy contact, and described interface has the characteristic of fully sintered microstructure.
The selector fork assembly of 20. 1 kinds of lock units for being selectively engaged in variator, described selector fork assembly includes:
The bar supported by the housing of described variator；
There is the outstanding sleeve pipe of the first end and the second end, and wherein said outstanding sleeve pipe is supported by described bar；
The gear shift with adjutage and finger refers to, and wherein said adjutage has the first end and the second end, and described first end is fixed to described first end of described outstanding sleeve pipe, described second end is fixed to described finger, and described finger includes a pair protuberance that optionally gear level with described variator engages；
It is fixed to the pivot support frame of the housing of described variator；With
Having the lock unit fork of the first end, forked end and pivoting point, described second end that wherein said first end refers to described gear shift engages, and described forked end engages with lock unit, and described pivoting point is rotatably supported by described pivot support frame, and
Wherein, described gear shift refers to it is to utilize powder metal sintering process to be formed, and described powder metal sintering process comprises the following steps:
Obtain the first step of the mould that described gear shift refers to；
Secure the mold in the second step in hydraulic compression-moulding machine；
The Part I of described mold cavity and the third step of the Part II with the second alloy powder described mold cavity of filling is filled with the first alloy powder；
The 4th step that described first and second alloy powders are compacted in described mold cavity；With
Heat to obtain the 5th fully sintered step of described alloy powder by the alloy powder of described compacting.
In conjunction with described further below to for preferred embodiment of the present invention of accompanying drawing, will easily understand the features described above of the present invention and advantage and other feature and advantage.
Accompanying drawing explanation
The purpose that accompanying drawing described herein illustrates that, and it is not intended to limit by any way the scope of the present disclosure.
Fig. 1 is the exemplary gear drive for manual transmission according to the present invention and the perspective view of gearshift assembly.
Fig. 2 is the decomposition diagram of the gearshift assembly for manual transmission according to the present invention.
Fig. 3 A is the perspective view of a part for the manual transmission according to the present invention.
Fig. 3 B is the perspective view of a part for the shifter assemblies for manual transmission according to the present invention.
Fig. 4 is the selector fork for manual transmission according to the present invention and the top view of outstanding set shell component.
Fig. 5 is the side view of the selector fork for manual transmission according to the present invention.
Fig. 6 A is the section front view manufacturing instrument of the finger of the selector fork for manual transmission according to the present invention.
Fig. 6 B is the upward view manufacturing instrument of the finger of the selector fork for manual transmission according to the present invention.
Fig. 6 C is the side cross-sectional view manufacturing instrument of the finger of the selector fork for manual transmission according to the present invention.
Fig. 7 is according to the selector fork in the assembly of the manual transmission of the present invention and the sectional view of outstanding sleeve pipe.
Detailed description of the invention
Now with reference to Fig. 1 and Fig. 2, the variator 10 in the various stages assembled is illustrated and described.Variator 10 includes the many grades of manual transmissions generally indicated by reference 10, and will be described this variator now.Variator 10 includes transmission input shaft 12, transmission output shaft 14 and the gear drive 18 supported by housing 20 at least in part.Input link 12 can separate with variator 10, and input link 12 can be via the output link manually activating clutch (not shown) and being used to selectively connect to electromotor.Output link 14 and main reducing gear (not shown) are directly connected thus common rotation, and the moment of torsion from output link 14 is transferred to one group of wheel (not shown) by main reducing gear.
Turning now to Fig. 3 A and Fig. 3 B and with continued reference to Fig. 1 and Fig. 2, gear drive 18 includes: various axles or component, coplanar pitch wheel group, the alternative lock unit engaged and the fork system for lock unit manipulation, as will be described herein.Such as, gear drive 18 includes: transmission input shaft 12, output shaft 14, idler shaft 24 and include the lock unit manipulation device 26 of multiple guide rail and fork.Lock unit manipulation device 26 utilizes multiple guide rail and fork to change the motion of the gear level 28 handled by operator, so that therefore various lock unit engages with specific gear and separate.Such as, lock unit manipulation device 26 includes the first shifter 30, and this first gearshift 30 is for making the first lock unit 32 engage and separate with the first gear 34 so that the first gear 34 optionally rotates jointly with output shaft 14.First shifter 30 includes finger assembly 36, pivot support frame 38, lock unit fork 40 and bar 42.Finger assembly 36 is supported by bar 42, in order to axially move on the direction parallel with output shaft 14.Finger assembly 36 includes that gear shift refers to 48, pivot channel 50 and outstanding sleeve pipe (flyer tube) 52.Outstanding sleeve pipe 52 has the first end 44 and the second end 46, and gear shift refers to the vicinity of 48 the first ends 44 being arranged on outstanding sleeve pipe 52 and is selectively engaged gear level 28.Pivot channel 50 is arranged on the vicinity of the second end 46 of outstanding sleeve pipe 52 and receives the fork arm 54 of lock unit fork 40.When finger assembly 36 axially translates along bar 42, pivot channel 50 engages and makes lock unit fork 40 to pivot around pivot support frame 38 with the fork arm 54 of lock unit fork 40.
Referring now to Fig. 4 and Fig. 5, figure shows and includes that gear shift refers to 48 and the finger assembly 36 of outstanding sleeve pipe 52 and being further described now.Gear shift refers to that 48 include finger 56 and extend arm 58.More specifically, adjutage 58 includes the first end 60 and the second end 62, and the first end is fixed to outstanding sleeve pipe 52.Gear shift refers to 48 the second ends 62 being fixed to adjutage 58, and a pair protuberance 64 that gear shift refers to 48 to include from adjutage 58 to extend.Protuberance 64 each has interior wear surface 66,68, and in the two, wear surface is separated by gap 70, and the protuberance of shift bar 28 through this gap 70 and optionally contacts with wear surface 66,68.It is desirable that the wear surface 64,68 of protuberance 64 has the highest case hardness, this high surface hardness provides the life-span of the prolongation of wear surface.Similarly, it is advantageous that utilize the method in the encapsulated space being installed to can be used for connecting, will extend over arm 58 and be fixed to outstanding sleeve pipe 52.Will extend over arm 58 and being assembled into the such method of one of outstanding sleeve pipe 52 is to will extend over arm 58 to be welded to outstanding sleeve pipe 52.The method includes advantages below: the strongest connection and need little encapsulated space.But, because gear shift refers to that 48 expections are by the single-piece made by a kind of types of material, so need extra operation to retain gear shift to the high surface hardness realizing wear surface 66,68 refer to 48 weldabilities to outstanding sleeve pipe 52 simultaneously.This high surface hardness is to utilize induction operation to realize.By making surface 66,68 be exposed to high temperature, then the quenching passing through to have higher cooldown rate makes wear surface 66,68 cool down, therefore retaining the microstructure of heated wear surface 66,68, induction operation acts on the wear surface 66,68 of protuberance partly.
The another kind of method manufacturing finger assembly 36 includes the first powder metal alloy 71 and the second powder metal alloy 73 being sintered to form gear shift and referring to 46.Such as, it is used for forming finger 56 by the first powder metal alloy 71, is used for forming extension 58 by the second powder metal alloy 73.First powder metal alloy 71 includes a certain proportion of, to cause the highest surface smoothness metal.Generally, the alloy being made up of the Ni of the C of the Cu of the Mo of the Cr of about 0-2.0%, about 0-2.0%, about 0-2%, about 0-0.8%, about 0-1.0% and the Fe of surplus is preferable for this purposes.More specifically, the alloy such as containing the Fe of the Cr of 1.8%, the C of 0.5% and surplus will cause the high surface hardness needed for this purposes.Additionally, the alloy comprising the C of 0.2% and the Fe of surplus is suitable for welding.Another requirement of first and second alloys 71,73 is that they must be sintered together at the division line 72 that gear shift refers between 56 and adjutage 58.
Referring now to Fig. 6 A, Fig. 6 B and Fig. 6 C, figure shows the manufacturing process for being sintered the first and second powder metal alloy in single parts, and this technique be will now be described.Such as, Fig. 6 A illustrates single alloying technology 74 and dual alloy technique 76.Single alloying technology 74 includes single powder metal alloy 78 via single blowpipe 82 import tool chamber 80.Alternately, dual alloy technique 76 includes the first powder metal alloy 71 through the first blowpipe 88 import tool chamber 86, through importing same tool cavity 86 with the second blowpipe 92 of the first blowpipe 88 positioned at intervals, the second metal alloy 73 is filled a part for the tool cavity 86 needing the second metal alloy 90 simultaneously.Division line 72 is formed at the position that the first powder metal alloy 71 meets with the second powder metal alloy 73.After powder metal alloy 71,73 is blown into tool cavity 86, tool cavity 86 heating to promote the sintering of alloy 71,73, both independently or in alloy inside and are between alloy 71,73 their own in division line 72.
Turning now to Fig. 7, finger assembly 36 shown in figure is in the inside of case of transmission 94, illustrates the tight tolerance possible when using above-mentioned manufacturing process in figure.
Although described in detail for preferred embodiment of the present invention, but the skilled person will appreciate that within the scope of the appended claims for implementing design and the example of the various replacements of the present invention in field related to the present invention.
Claims (10)
1. a selector fork assembly for the lock unit for being selectively engaged in variator, described selector fork assembly includes:
The bar supported by the housing of described variator；
There is the outstanding sleeve pipe of the first end and the second end, and wherein said outstanding sleeve pipe is supported by described bar；
The gear shift with adjutage and finger refers to, and wherein said adjutage has the first end and the second end, and described first end is fixed to described first end of described outstanding sleeve pipe, described second end is fixed to described finger, and described finger includes a pair protuberance that optionally gear level with described variator engages；
It is fixed to the pivot support frame of the housing of described variator；With
Having the lock unit fork of the first end, forked end and pivoting point, the second end that wherein said first end refers to described gear shift engages, and described forked end engages with lock unit, and described pivoting point is pivotably supported by described pivot support frame.
2. selector fork assembly as claimed in claim 1, wherein, described first end of described adjutage is soldered to described first end of described outstanding sleeve pipe.
3. selector fork assembly as claimed in claim 1, wherein, described adjutage is to be formed by the ferroalloy with good welds.
4. selector fork assembly as claimed in claim 1, wherein, described adjutage is to be formed by containing the C of 0.2% and the alloy of Fe of surplus.
5. selector fork assembly as claimed in claim 1, wherein, the described finger that described gear shift refers to has high surface hardness.
6. selector fork assembly as claimed in claim 1, wherein, the described finger that described gear shift refers to is to be formed by the alloy of the Ni containing the C of the Cu of the Mo of the Cr of about 0-2.0%, about 0-2.0%, about 0-2%, about 0-0.8%, about 0-1.0% and the Fe of surplus.
7. selector fork assembly as claimed in claim 1, wherein, described gear shift refers to it is to use powder metal alloy that at least two is different to be formed in powder metal sintering process.
8. selector fork assembly as claimed in claim 1, wherein, the described finger that described gear shift refers to is to be formed by the first alloy, and described adjutage is to be formed by the second alloy.
9. the gear shift of a selector fork assembly refers to, described gear shift refers to include:
There is the first end and the adjutage of the second end, and described first end be fixed to first end of outstanding sleeve pipe of described selector fork assembly,
It is fixed to the finger of described second end of this adjutage, and wherein said finger includes a pair protuberance optionally engaging with the gear level of variator.
10. a selector fork assembly for the lock unit for being selectively engaged in variator, described selector fork assembly includes:
The bar supported by the housing of described variator；
There is the outstanding sleeve pipe of the first end and the second end, and wherein said outstanding sleeve pipe is supported by described bar；
The gear shift with adjutage and finger refers to, and wherein said adjutage has the first end and the second end, and described first end is fixed to described first end of described outstanding sleeve pipe, described second end is fixed to described finger, and described finger includes a pair protuberance that optionally gear level with described variator engages；
It is fixed to the pivot support frame of the housing of described variator；With
Having the lock unit fork of the first end, forked end and pivoting point, described second end that wherein said first end refers to described gear shift engages, and described forked end engages with lock unit, and described pivoting point is rotatably supported by described pivot support frame, and
Wherein, described gear shift refers to it is to utilize powder metal sintering process to be formed, and described powder metal sintering process comprises the following steps:
Obtain the first step of the mould that described gear shift refers to；
Secure the mold in the second step in hydraulic compression-moulding machine；
The Part I of described mold cavity and the third step of the Part II with the second alloy powder described mold cavity of filling is filled with the first alloy powder；
The 4th step that described first and second alloy powders are compacted in described mold cavity；With
Heat to obtain the 5th fully sintered step of described alloy powder by the alloy powder of described compacting.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015107629.2 | 2015-05-15 | ||
| DE102015107629.2A DE102015107629B4 (en) | 2015-05-15 | 2015-05-15 | Shift finger and thus equipped shift fork assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106151506A true CN106151506A (en) | 2016-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610320616.6A Pending CN106151506A (en) | 2015-05-15 | 2016-05-16 | Shifting of transmission fork and the system of manufacture |
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| Country | Link |
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| CN (1) | CN106151506A (en) |
| DE (1) | DE102015107629B4 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108953583B (en) * | 2017-05-18 | 2024-04-05 | 明阳科技（苏州）股份有限公司 | Control lever and manufacturing method thereof |
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| CN103722173A (en) * | 2012-10-15 | 2014-04-16 | 现代自动车株式会社 | Method of manufacturing control finger using metal powder injection molding |
| CN103906951A (en) * | 2011-09-28 | 2014-07-02 | 伊顿公司 | Composite ramp plate for electronically-actuated locking differential |
| CN104100711A (en) * | 2013-04-03 | 2014-10-15 | 科奇科技传送系统股份有限公司 | Method for manufacturing shift fork |
| CN204004222U (en) * | 2014-08-21 | 2014-12-10 | 柳州上汽汽车变速器有限公司 | Automobile speed variator reverse gear synchromesh gear |
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2015
- 2015-05-15 DE DE102015107629.2A patent/DE102015107629B4/en not_active Expired - Fee Related
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2016
- 2016-05-16 CN CN201610320616.6A patent/CN106151506A/en active Pending
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| CN104100711A (en) * | 2013-04-03 | 2014-10-15 | 科奇科技传送系统股份有限公司 | Method for manufacturing shift fork |
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Also Published As
| Publication number | Publication date |
|---|---|
| DE102015107629A1 (en) | 2016-11-17 |
| DE102015107629B4 (en) | 2017-12-07 |
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Application publication date: 20161123 |