CN109882591A - A kind of speed changer major-minor case mutual interlocking gear - Google Patents
A kind of speed changer major-minor case mutual interlocking gear Download PDFInfo
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- CN109882591A CN109882591A CN201910148800.0A CN201910148800A CN109882591A CN 109882591 A CN109882591 A CN 109882591A CN 201910148800 A CN201910148800 A CN 201910148800A CN 109882591 A CN109882591 A CN 109882591A
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- interlock
- interlocking
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- shift fork
- main tank
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Abstract
The invention discloses a kind of speed changer major-minor case mutual interlocking gears, including range shelves shift fork universal driving shaft, sliding pin, slide post pin support, return spring and interlock；Range shelves shift fork universal driving shaft is located in the shell of speed changer, and one end is fixedly connected with range shelves shift fork, and two sliding pin grooves are opened up on the other end；Slide post pin support is fixedly connected with transmission upper cover and opens up sliding pin mounting hole and interlock mounting hole；For slide post pins position inside sliding pin mounting hole, one end connects return spring, other end join domain shelves shift fork universal driving shaft, and the return spring other end connects transmission upper cover；Interlock groove is opened up on sliding pin；Interlock is located at one end connection sliding pin, the other end in interlock mounting hole and connects speed changer main tank mutual interlocking gear.It can ensure that rear odd-side main tank not in place of putting into gear cannot put into gear；Main tank, which is in auxiliary box synchronizer when hanging shelves state, cannot switch high and low shift；And then auxiliary box synchronizer after effective protection, improve speed changer life-span.
Description
Technical field
The invention belongs to speed changer fields, are related to a kind of speed changer major-minor case mutual interlocking gear.
Background technique
Auxiliary box synchronizer is the components for being easier damage in transmission assembly, in the case where non-standard operation,
It damages even more serious.Meanwhile the failure of secondary box of gearbox synchronizer is again the relatively common failure mode of heavy-duty automotive speed changer.
Odd-side after non-standard operation speed changer is easy to cause auxiliary box synchronizer abnormal damage, and common non-standard operation has:
Auxiliary box synchronizer does not switch (high and low shift is without in place) in place, and main tank begins to hang shelves, causes synchronous inertia sharply to increase, makes
Tooth damage is played at synchronizer；Main tank is in shelves state of hanging, and auxiliary box synchronizer switches high and low shift, equally causes the too fast mill of synchronizer
Damage, causes to fail.Improve auxiliary box synchronizer service life, it is necessary to limit to above two non-standard operation.
The major-minor case locking mechanism of existing gas manipulation at present, is controlled by gas circuit, but gas circuit reliability is not high,
Often breaking down causes major-minor case locking mechanism to fail.
Summary of the invention
It is an object of the invention to overcome the above-mentioned prior art, a kind of speed changer major-minor case mutual interlocking gear is provided.
In order to achieve the above objectives, the present invention is achieved by the following scheme:
A kind of speed changer major-minor case mutual interlocking gear, including range shelves shift fork universal driving shaft, sliding pin, slide post pin support,
Return spring and interlock；
Range shelves shift fork universal driving shaft is located in the shell of speed changer and one end is fixedly connected with range shelves shift fork, opens on the other end
If two sliding pin grooves；Slide post pin support is fixedly connected with transmission upper cover, is opened up in slide post pin support and is mutually hung down
Straight and connection sliding pin mounting hole and interlock mounting hole；Slide post pins position in sliding pin mounting hole inside and can be along cunning
Dynamic pin mounting hole axial movement；It slides pin one end and connects return spring, the return spring other end connects transmission upper cover；It is sliding
Dynamic pin other end join domain shelves shift fork universal driving shaft；Interlock groove is opened up on sliding pin；Interlock is located at interlock peace
It can move axially inside dress hole and along interlock mounting hole, interlock one end connection sliding pin, the other end connects speed changer master
Case mutual interlocking gear；
When range gear air cylinder is low-grade or high-grade, sliding pin one end is located at sliding pin inside grooves, and interlock is recessed
Slot face interlock mounting hole, interlock one end can extend into interlock groove, and each shift fork axle unlock of speed changer main tank can
Hang shelves；When range gear air cylinder is not low grade and is not top grade, sliding pin one end is connect with range shelves shift fork universal driving shaft outer wall,
Interlock groove connection sliding pin inner wall of the hole installing, sliding pin outer wall hold out against interlock, and interlock holds out against speed changer main tank
Mutual interlocking gear, each shift fork axle locking of speed changer main tank cannot hang shelves.
A further improvement of the present invention lies in that:
The range shelves shift fork of range shelves shift fork universal driving shaft and secondary box of gearbox is welded to connect, is bolted, pin connection, rivet
Connection or key connection.
Slide post pin support and transmission upper cover are integrally formed.
It further include spring capping；Spring capping is fixedly connected with transmission upper cover, and spring capping inner wall connects return spring.
Interlock includes the first interlocking steel ball, the second interlocking steel ball and major-minor case interlocking plunger；
First interlocking steel ball and the second interlocking steel ball are respectively positioned on inside interlock mounting hole, first interlocking steel ball one end connection
Pin is slided, the other end is sequentially connected the second interlocking steel ball and main tank shift fork axle, and it is mutual that major-minor case is arranged in the main tank shift fork axle
Lock pin mounting hole and the second interlocking steel ball groove that second interlocking steel ball one end can be accommodated；Major-minor case interlocking plunger is located at major-minor case
In interlocking plunger mounting hole and one end connection the second interlocking steel ball, the main tank that the other end connects speed changer main tank mutual interlocking gear interlock steel
Ball.
Interlock includes major-minor case interlocking block and major-minor case interlocking plunger；
Major-minor case interlocking block is located in interlock mounting hole, and one end connection sliding pin, the other end connects main tank shift fork axle,
And major-minor case interlocking plunger mounting hole and major-minor case interlocking block groove are set in the main tank shift fork axle；Major-minor case interlocking plunger is located at major-minor
In case interlocking plunger mounting hole and one end connection major-minor case interlocking block (18), the other end connect the main tank of speed changer main tank mutual interlocking gear
Interlock steel ball.
Interlock groove is annular groove.
Compared with prior art, the invention has the following advantages:
Auxiliary box cylinder shift fork axle and main tank mutual interlocking gear are connected by range shelves shift fork universal driving shaft, while being slided
Under the action of pin and interlock, it is ensured that rear odd-side main tank not in place of putting into gear cannot put into gear；Shelves state is hung when main tank is in simultaneously
When, do not allow auxiliary box synchronizer to switch high and low shift；And then auxiliary box synchronizer after effective protection, improve speed changer life-span.Meanwhile this
Major-minor case mutual interlocking gear is purely mechanical structure, and locking is reliable, is controlled compared to traditional gas circuit, reliability and stability are more
Height can effectively reduce auxiliary box synchronizer failure rate.The configuration of the present invention is simple can be compatible with absolutely mostly convenient for manufacture installation
Several existing speed changer structures, it is applied widely.
Further, pin bracket and transmission upper cover are integrally formed, and are reduced assembly manipulation, are saved the time；Meanwhile also making
The connection for obtaining pin bracket and transmission upper cover is more reliable and more stable, reduces failure rate.
Further, spring capping is set, and spring capping is fixedly connected with transmission upper cover, and return spring is located at spring pressure
Between lid and sliding pin, convenient for the installation of return spring, production efficiency is improved.
Further, it sets interlock groove to nullifying the annular groove of circumferencial direction along sliding, reduces assembly difficulty, prevent
Loading error.
Detailed description of the invention
Fig. 1 is the structure chart of secondary box of gearbox low grade of the invention main tank unlock in place；
Fig. 2 is the structure chart that secondary box of gearbox of the invention is in main tank locking in high and low shift conversion process；
Fig. 3 is the structure chart of secondary box of gearbox top grade of the invention main tank unlock in place；
Fig. 4 is that slide post pin support and transmission upper cover of the invention are integrally formed and interlock is the structure of interlocking block
Schematic diagram；
Fig. 5 is existing speed changer main tank mutual interlocking gear schematic diagram；
Fig. 6 is the odd-side cylinder and odd-side shifting fork structure schematic diagram of existing speed changer.
Wherein: 1- auxiliary box cylinder piston；2- range gear air cylinder；3- auxiliary box cylinder shift fork axle；4- range shelves shift fork；5- range
Shelves shift fork universal driving shaft；6-1- the first major-minor case interlocks steel ball；6-2- the second major-minor case interlocks steel ball；7- major-minor case interlocking plunger；8-
Four or five grades of shift fork axles；Bis- third gear shift fork axle of 9-；Mono- reverse speed shift rod of 10-；11- spring capping；12- return spring；13- slide post
Pin；14- transmission upper cover；15- slide post pin support；The first main tank of 16-1- interlocks steel ball；The second main tank of 16-2- interlocks steel ball；
17- main tank interlocking plunger；18- major-minor case interlocking block.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to
Step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, product
Or other step or units that equipment is intrinsic.
The invention will be described in further detail with reference to the accompanying drawing:
Referring to Fig. 1-3, a kind of speed changer major-minor case mutual interlocking gear of the present invention, major-minor case mutual interlocking gear one end connects odd-side model
Enclose gear air cylinder shift fork, one end is associated with the main tank mutual interlocking gear in upper cover, by the conversion of the high and low shift of odd-side range gear air cylinder come
Locking or unlock of the mutual interlocking gear to main tank shift fork axle are controlled, the interlocking purpose of major-minor case is reached.Major-minor case mutual interlocking gear packet
Include range shelves shift fork universal driving shaft 5, sliding pin 13, slide post pin support 15, spring capping 11, return spring 12 and interlock；
Range shelves shift fork universal driving shaft 5 is located in the supported hole of the shell of speed changer and can move axially along supported hole, or
Range shelves shift fork universal driving shaft 5 is mounted in the shell of speed changer by the bracing strut that links, and range shelves shift fork universal driving shaft 5 can prop up
Along the axial movement of range shelves shift fork universal driving shaft 5 on frame.5 one end of range shelves shift fork universal driving shaft is fixedly connected with the model of secondary box of gearbox
Grade shift fork 4 is enclosed, welded connecting can be usually selected, be bolted, pin connection, rivet interlacement, key connection and other fixed
Type of attachment；Two sliding pin grooves are opened up on the other end；Slide post pin support 15 is fixedly connected with transmission upper cover 14, sliding
The sliding pin mounting hole and interlock mounting hole for being mutually perpendicular to and being connected to are opened up on dynamic pin bracket 15；Pin 13 is slided to be arranged
And it can be along sliding pin mounting hole axial movement inside sliding pin mounting hole；It slides 13 one end of pin and connects return spring
12, other end join domain shelves shift fork universal driving shaft 5；It is recessed that interlock is opened up on the side of the corresponding interlock mounting hole of sliding pin 13
Slot, interlock groove are also possible to annular groove in the circumferential direction, can prevent loading error；Interlock setting is installed in interlock
It can move axially inside hole and along interlock mounting hole, interlock one end connection sliding pin 13, the other end connects speed changer master
Case mutual interlocking gear.Spring capping 11 is fixedly connected with transmission upper cover 14, and 11 inner wall of spring capping connects return spring 12.
Wherein: interlock can be made of the first interlocking steel ball 6-1, the second interlocking steel ball 6-2 and major-minor case interlocking plunger 7,
First interlocking steel ball 6-1 and the second interlocking steel ball 6-2 are respectively positioned on inside interlock mounting hole, and first interlocking one end steel ball 6-1 connects
Sliding pin 13 is connect, the other end is sequentially connected the second interlocking steel ball 6-2 and a main tank shift fork axle, and sets in the main tank shift fork axle
It sets major-minor case interlocking plunger mounting hole and the second interlocking steel ball groove of second one end interlocking steel ball 6-2 can be accommodated；Major-minor case is mutual
Lock pin 7 is located in major-minor case interlocking plunger mounting hole and one end connection the second interlocking steel ball 6-2, and it is mutual that the other end connects speed changer main tank
The main tank of latch mechanism interlocks steel ball.Referring to fig. 4, interlock can also be made of major-minor case interlocking block 18 and major-minor case interlocking plunger 7,
Major-minor case interlocking block 18 is located in interlock mounting hole, and one end connection sliding pin 13, the other end connects a main tank shift fork axle,
And major-minor case interlocking plunger mounting hole and major-minor case interlocking block groove are set in the main tank shift fork axle；Major-minor case interlocking plunger 7 is located at master
In odd-side interlocking plunger mounting hole and one end connects major-minor case interlocking block 18, and the other end connects the main tank of speed changer main tank mutual interlocking gear
Interlock steel ball.Slide post pin support 15 can also be integrally formed with transmission upper cover 14, save the set-up time.
In the present embodiment, main tank shift fork axle includes four or five grades of shift fork axles 8, two third gear shift fork axles 9 and a reverse speed shift rod 10；
One reverse speed shift rod 10 is nearest apart from secondary box of gearbox, and four or five grades of shift fork axles 8 are farthest apart from secondary box of gearbox.Main tank mutual interlocking gear
Steel ball is interlocked including main tank interlocking plunger 17 and main tank；It includes the first main tank interlocking steel ball 16-1 and the second main tank that main tank, which interlocks steel ball,
Interlock steel ball 16-2；First main tank interlocks steel ball 16-1 between two third gear shift fork axles 9 and a reverse speed shift rod 10, and second is main
Case interlocks steel ball 16-2 between four or five grades of shift fork axles 8, two third gear shift fork axles 9；Main tank is arranged in two third gear shift fork axles 9 to interlock
Mounting hole is sold, main tank interlocking plunger 17 is located inside main tank interlocking plunger mounting hole.There are two symmetrical for setting in two third gear shift fork axles 9
Main tank interlocks steel ball groove, is respectively provided with a main tank interlocking steel ball groove in reverse speed shift rod 10 and four or a five grade shift fork axle 8, and one
Reverse speed shift rod 10 connection second interlocking steel ball 6-2 or major-minor case interlocking block 18 side also set up the second interlocking steel ball groove or
Major-minor case interlocking block groove, for accommodating one end of the second interlocking steel ball 6-2 or major-minor case interlocking block 18.
Under the action of main tank interlocks steel ball groove, main tank interlocking plunger 17 and major-minor case interlocking steel ball, when a main tank is dialled
When fork shaft is in extension shelves state, remaining main tank shift fork axle is in lockup state, not can be carried out extension shelves.On a reverse speed shift rod 10
Major-minor case interlocking plunger mounting hole is offered, major-minor case interlocking plunger 7 is located inside the major-minor case interlocking plunger mounting hole, and both ends connect respectively
Connect interlock and the first main tank interlocking steel ball 16-1.The position arrangement of each main tank shift fork axle can be with according to the structure of original speed changer
Change.
When range gear air cylinder 2 is low-grade or high-grade, sliding 13 one end of pin is located at sliding pin inside grooves, interlock
Groove face interlock mounting hole, interlock one end can extend into interlock groove, and each shift fork axle of speed changer main tank unlocks energy
It is enough to hang shelves；When range gear air cylinder 2 is not low grade and is not top grade, slide between 13 one end of pin and two sliding pin grooves
Range shelves shift fork universal driving shaft 5 connect, interlock groove be located at sliding pin mounting hole in, sliding pin 13 hold out against interlock,
Interlock holds out against speed changer main tank mutual interlocking gear, and each shift fork axle locking of speed changer main tank cannot hang shelves.
The secondary box of gearbox cylinder and odd-side group before speed changer main tank mutual interlocking gear and improvement referring to Figures 5 and 6, before improvement
Structure is pitched, therebetween without direct mechanical connection relationship.
The specific embodiment of this project is introduced for below by 9 gear gearbox auxiliary box cylinders from low grade to top grade conversion,
Embodiment when auxiliary box cylinder is converted from from top grade to low grade is similar, repeats no more.
Referring to Fig. 1, auxiliary box cylinder piston 1 is in low gear position in 2 leftmost side of range gear air cylinder, range gear air cylinder 2.Sliding
Pin 13 is stuck in the sliding pin groove on 5 the right of range shelves shift fork universal driving shaft under the spring-force driven dual of return spring 12, sliding
The interlock groove and the first major-minor case interlocking steel ball 6-1, the second major-minor case interlocking steel ball 6-2 and master of dynamic 13 external cylindrical surface of pin
The alignment of 7 center of odd-side interlocking plunger.Main tank any gear can hang shelves at this time, and by taking four or five grades of shift fork axles 8 hang shelves as an example, four or five grades are dialled
Fork shaft 8 is mobile, and the second main tank interlocking steel ball 16-2 of axis side is extruded from its side channel, and the second main tank interlocking steel ball 16-2 pushes it
The main tank interlocking plunger 7 in left side, the first main tank interlocking steel ball 16-1, major-minor case interlocking plunger 7, the second major-minor case interlocking steel ball 6-2 and
First major-minor case interlocks steel ball 6-1, until in the first major-minor case interlocking steel ball 6-1 insertion interlock groove.I.e. odd-side is in low
File location, main tank unlock can hang shelves.
Referring to fig. 2, auxiliary box cylinder piston 1 is under the action of the air pressure of left side, from 2 left-most position of range gear air cylinder to centre
Position is mobile, and then auxiliary box cylinder shift fork axle 3, range shelves shift fork 4 and range shelves shift fork universal driving shaft 5 is driven to move right.Range
The slope driving sliding pin 13 for the sliding pin groove being arranged on shelves shift fork universal driving shaft 5 moves up, until sliding pin 13
Head is ejected sliding pin groove and is close to 5 external cylindrical surface of range shelves shift fork universal driving shaft.Sliding pin 13 moves up, by the first major-minor
Case interlocks steel ball 6-1 and squeezes out, and the first major-minor case interlocking steel ball 6-1 pushes the second major-minor case on the right side of it to interlock steel ball 6-2, major-minor
Case interlocking plunger 7, the first main tank interlocking steel ball 16-1, main tank interlocking plunger 7 and the second main tank interlock steel ball 16-2, until the second main tank
Interlocking steel ball 16-2 is embedded in the main tank interlock recess being arranged in four or five grades of shift fork axles 8.At this point, each shelves interlocking steel ball of main tank blocks
In the main tank interlock recess of each shelves shift fork axle, thus each shelves of main tank are locked at neutral position.That is odd-side high and low shift is converted
Cheng Zhong, main tank locking cannot hang shelves.
Referring to Fig. 3, auxiliary box cylinder piston 1 continues to move right under the action of the air pressure of left side, from middle position, until odd-side
For cylinder piston 1 in 2 rightmost side of range gear air cylinder, range gear air cylinder 2 is in high-grade position.And then drive auxiliary box cylinder shift fork axle 3,
Range shelves shift fork 4 and range shelves shift fork universal driving shaft 5 move right.13 head of pin is slided from 5 outer circle of range shelves shift fork universal driving shaft
Cylinder is fallen into the sliding pin groove on 5 left side of range shelves shift fork universal driving shaft.Sliding pin 13 move down, interlock groove again with
First major-minor case interlocks steel ball 6-1, the second major-minor case interlocking steel ball 6-2 and the alignment of 7 center of major-minor case interlocking plunger.Main tank is appointed at this time
One gear can hang shelves, and by taking four or five grades of shift fork axles 8 hang shelves as an example, four or five grades of shift fork axles 8 are mobile, and the second main tank of axis side interlocks steel
Ball 16-2 is extruded from its side channel, and the second main tank interlocking steel ball 16-2 pushes main tank interlocking plunger 7, the first main tank on the left of it to interlock
Steel ball 16-1, major-minor case interlocking plunger 7, the second major-minor case interlocking steel ball 6-2 and the first major-minor case interlock steel ball 6-1, until first
Major-minor case interlocks in steel ball 6-1 insertion interlock groove.I.e. odd-side is in low gear position, and main tank unlock can hang shelves.
Speed changer major-minor case mutual interlocking gear of the present invention, it can be ensured that rear odd-side main tank not in place of putting into gear cannot put into gear；Simultaneously
When main tank be in hang shelves state, do not allow auxiliary box synchronizer switch high and low shift.Can auxiliary box synchronizer after effective protection, reduce secondary
Case synchronizer failure rate improves speed changer life-span.And this major-minor case mutual interlocking gear is purely mechanical structure, locking is reliable.
The above content is merely illustrative of the invention's technical idea, and this does not limit the scope of protection of the present invention, all to press
According to technical idea proposed by the present invention, any changes made on the basis of the technical scheme each falls within claims of the present invention
Protection scope within.
Claims (7)
1. a kind of speed changer major-minor case mutual interlocking gear, which is characterized in that including range shelves shift fork universal driving shaft (5), sliding pin
(13), slide post pin support (15), return spring (12) and interlock；
Range shelves shift fork universal driving shaft (5) is located in the shell of speed changer and one end is fixedly connected with range shelves shift fork (4), on the other end
Open up two sliding pin grooves；Slide post pin support (15) is fixedly connected with transmission upper cover (14), slide post pin support
(15) the sliding pin mounting hole and interlock mounting hole that are mutually perpendicular to and are connected to are opened up on；Sliding pin (13) is located at slide post
It sells inside mounting hole and energy is along sliding pin mounting hole axial movement；Pin (13) one end connection return spring (12) is slided, is returned
Position spring (12) other end connection transmission upper cover (14)；Slide pin (13) other end join domain shelves shift fork universal driving shaft (5)；
Interlock groove is opened up in sliding pin (13)；Interlock is located inside interlock mounting hole and can be axial along interlock mounting hole
Mobile, interlock one end connection sliding pin (13), the other end connects speed changer main tank mutual interlocking gear；
When range gear air cylinder (2) are low-grade or high-grade, sliding pin (13) one end is located at sliding pin inside grooves, interlock
Groove face interlock mounting hole, interlock one end can extend into interlock groove, and each shift fork axle of speed changer main tank unlocks energy
It is enough to hang shelves；When range gear air cylinder (2) is not low grade and is not top grade, sliding pin (13) one end and range shelves shift fork universal driving shaft
(5) outer wall connects, and interlock groove connection sliding pin inner wall of the hole installing, sliding pin (13) outer wall holds out against interlock, interlocks
Part holds out against speed changer main tank mutual interlocking gear, and each shift fork axle locking of speed changer main tank cannot hang shelves.
2. speed changer major-minor case mutual interlocking gear according to claim 1, which is characterized in that the range shelves shift fork universal driving shaft
(5) it is welded to connect, is bolted with the range shelves shift fork (4) of secondary box of gearbox, pin connection, rivet interlacement or key connection.
3. speed changer major-minor case mutual interlocking gear according to claim 1, which is characterized in that the slide post pin support (15)
It is integrally formed with transmission upper cover (14).
4. speed changer major-minor case mutual interlocking gear according to claim 1, which is characterized in that further include spring capping (11)；
Spring capping (11) is fixedly connected with transmission upper cover (14), and spring capping (11) inner wall connects return spring (12).
5. speed changer major-minor case mutual interlocking gear according to claim 1, which is characterized in that the interlock includes first mutual
Lock steel ball (6-1), the second interlocking steel ball (6-2) and major-minor case interlocking plunger (7)；
First interlocking steel ball (6-1) and the second interlocking steel ball (6-2) are respectively positioned on inside interlock mounting hole, the first interlocking steel ball
The one end (6-1) connection sliding pin (13), the other end are sequentially connected the second interlocking steel ball (6-2) and main tank shift fork axle, and the master
Major-minor case interlocking plunger mounting hole is set in case shift fork axle and the second interlocking steel ball of second one end interlocking steel ball (6-2) can be accommodated
Groove；Major-minor case interlocking plunger (7) is located in major-minor case interlocking plunger mounting hole and the second interlocking steel ball (6-2) of one end connection, another
The main tank of end connection speed changer main tank mutual interlocking gear interlocks steel ball.
6. speed changer major-minor case mutual interlocking gear according to claim 1, which is characterized in that the interlock includes major-minor case
Interlocking block (18) and major-minor case interlocking plunger (7)；
Major-minor case interlocking block (18) is located in interlock mounting hole, and one end connection sliding pin (13), the other end connects main tank and dials
Fork shaft, and major-minor case interlocking plunger mounting hole and major-minor case interlocking block groove are set in the main tank shift fork axle；Major-minor case interlocking plunger (7)
In major-minor case interlocking plunger mounting hole and one end connection major-minor case interlocking block (18), the other end connect the mutual lock machine of speed changer main tank
The main tank of structure interlocks steel ball.
7. speed changer major-minor case mutual interlocking gear according to claim 1, which is characterized in that the interlock groove is annular
Groove.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910148800.0A CN109882591A (en) | 2019-02-28 | 2019-02-28 | A kind of speed changer major-minor case mutual interlocking gear |
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| CN201910148800.0A CN109882591A (en) | 2019-02-28 | 2019-02-28 | A kind of speed changer major-minor case mutual interlocking gear |
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| US5546823A (en) * | 1993-05-20 | 1996-08-20 | Eaton Corporation | High-capacity compound transmission |
| JP2012127367A (en) * | 2010-12-13 | 2012-07-05 | Ud Trucks Corp | Transmission |
| CN104455381A (en) * | 2014-12-26 | 2015-03-25 | 中国重汽集团大同齿轮有限公司 | Interlocking mechanism for main box and auxiliary box of multi-gear transmission of commercial vehicle |
| CN205064823U (en) * | 2015-09-23 | 2016-03-02 | 陕西法士特齿轮有限责任公司 | Take double bracing cylinder assembly of auto -lock structure |
| CN106051139A (en) * | 2016-08-12 | 2016-10-26 | 中国第汽车股份有限公司 | Pneumatic gear shifting control system assembly for auxiliary box of multi-gear transmission |
| CN107218392A (en) * | 2017-06-16 | 2017-09-29 | 陕西法士特齿轮有限责任公司 | A kind of scope shelves interlock and operating method |
| CN108302200A (en) * | 2017-12-06 | 2018-07-20 | 西安法士特汽车传动有限公司 | A kind of speed changer major-minor case interlocking structure, speed changer and major-minor case interlock method |
| CN108266526A (en) * | 2018-03-27 | 2018-07-10 | 陕西法士特汽车传动集团有限责任公司 | A kind of auxiliary box synchronizer protection mechanism |
| CN210566197U (en) * | 2019-02-28 | 2020-05-19 | 陕西法士特齿轮有限责任公司 | Transmission main and auxiliary box interlocking mechanism |
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