CN206439390U - A kind of AMT secondary box of gearbox gear shifting cylinder assembly - Google Patents
A kind of AMT secondary box of gearbox gear shifting cylinder assembly Download PDFInfo
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- CN206439390U CN206439390U CN201621466605.0U CN201621466605U CN206439390U CN 206439390 U CN206439390 U CN 206439390U CN 201621466605 U CN201621466605 U CN 201621466605U CN 206439390 U CN206439390 U CN 206439390U
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- piston
- shift fork
- steel ball
- fork axle
- ring
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Abstract
The utility model is related to a kind of AMT gear box sub-cases gear shifting cylinder assembly, it is characterised in that：Shift fork axle left end is provided with piston, o-ring and steel ball are provided between shift fork axle and piston, piston is fixed in shift fork axle by locking nut, o-ring is provided between shift fork axle and cylinder block, bushing is arranged in cylinder block, and spacing by circlip, mounting hole is provided with cylinder block, steel ball, self-locking spring, plug screw and snap ring are sequentially provided with from inside to outside, and the groove of piston surrounding is provided with o-ring, cylinder head is fixed in cylinder block by bolt.It has piston, band self-locking grooves shift fork axle, self-locking mechanism, sensing magnetic patch, and the driving of selector fork height gear can be achieved, shift fork displacement stroke is monitored in real time, and compact overall structure, saving space, integrated level are high.
Description
Technical field
The utility model is related to a kind of AMT secondary box of gearbox gear shifting cylinder assembly, the skill controlled for AMT gearbox gear-shifts
Art field.
Background technology
At present, the AMT speed changers of domestic heavy truck are generally major-minor case fabricated structure, and odd-side drives odd-side using cylinder
Shift fork axle gear shift, two gear switches of height are presented as this structure more.After high and low shift switches in place, by being arranged on transmission case
Self-locking mechanism on body realizes auto-lock function, prevents out of supply.Though the cylinder of the structure can realize gear self-locking, need in speed change
Self-locking mechanism installation site is designed on device housing, and needs individually to assemble self-locking mechanism when transmission assembly is assembled, meanwhile,
The cylinder of AMT speed changers needs the recognizable signal of setting triggering odd-side selector fork displacement transducer, and there is provided to control unit.
The content of the invention
The purpose of this utility model is to provide a kind of AMT secondary box of gearbox gear shifting cylinder assembly, its have piston, band from
Locked groove shift fork axle, self-locking mechanism, sensing magnetic patch, can be achieved the driving of selector fork height gear, shift fork displacement stroke are supervised in real time
Control, compact overall structure, saving space, integrated level are high.
What the technical solution of the utility model was realized in：A kind of AMT gear box sub-cases gear shifting cylinder assembly, by cylinder
Body, cylinder head, shift fork axle, piston, locking nut, o-ring, steel ball, induced magnet, bolt, bushing, elastic spring, steel ball, from
Lock spring, plug screw and snap ring composition；It is characterized in that：Shift fork axle left end is provided with piston, and o-ring is provided between shift fork axle and piston
And steel ball, piston is fixed in shift fork axle by locking nut, o-ring is provided between shift fork axle and cylinder block, bushing is installed
In cylinder block, and it is spacing by circlip, mounting hole is provided with cylinder block, steel ball, self-locking bullet are sequentially provided with from inside to outside
Spring, plug screw and snap ring, the groove of piston surrounding are provided with o-ring, and cylinder head is fixed in cylinder block by bolt.
Described piston is provided with induced magnet, shift fork displacement stroke can in real time be monitored by displacement transducer.
Steel ball is provided between described shift fork axle and piston, piston is fixed with shift fork axle relative position, it is ensured that sensing magnetic
Iron position is accurate.
The position of correspondence self-locking steel ball is provided with circular hole on described bushing,
It can pass through self-locking steel ball, it is ensured that while bushing effective interaction length, make to occupy little space, overall structure
It is compact.
Good effect of the present utility model is that the driving of selector fork height gear can be achieved, shift fork displacement stroke is supervised in real time
Control, compact overall structure, saving space, integrated level are high；Matching property and lubricating grease between piston outer wall and cylinder inner wall
Using effect, processes two groups of oil grooves in piston outer wall, lubricating grease is more evenly distributed, operating efficiency is higher.
Brief description of the drawings
Fig. 1 is a kind of structural representation of AMT secondary box of gearbox gear shifting cylinder assembly.
Fig. 2 is a kind of outline drawing of AMT secondary box of gearbox gear shifting cylinder assembly.
Embodiment
The technical solution of the utility model is described further below in conjunction with the accompanying drawings.
A kind of AMT gear box sub-cases gear shifting cylinder assembly, by cylinder block 1, cylinder head 2, shift fork axle 3, piston 4, locking screw
Mother 5, o-ring 6, steel ball 7, induced magnet 9, bolt 11, bushing 12, elastic spring 13, steel ball 14, self-locking spring 15, the and of plug screw 8
Snap ring 10 is constituted；It is characterized in that：The left end of shift fork axle 3 is provided with piston 4, and o-ring 6 and steel ball are provided between shift fork axle and piston 4
7, piston 4 is fixed in shift fork axle 3 by locking nut 5, o-ring is provided between shift fork axle 3 and cylinder block 1, bushing 12 is pacified
In cylinder block 1, and it is spacing by circlip 13, mounting hole is provided with cylinder block 1, steel ball is sequentially provided with from inside to outside
13rd, self-locking spring 15, plug screw 8 and snap ring 10, the groove of the surrounding of piston 4 are provided with o-ring, are consolidated cylinder head 2 by bolt 11
It is scheduled in cylinder block 1.
Described piston 4 is provided with induced magnet 9, shift fork displacement stroke can in real time be monitored by displacement transducer.
Steel ball 7 is provided between described shift fork axle 3 and piston 4, piston 4 is fixed with the relative position of shift fork axle 3, it is ensured that sense
Answer the position of magnet 9 accurate.
The position of correspondence self-locking steel ball 14 is provided with circular hole on described bushing 12,
It can pass through self-locking steel ball 14, it is ensured that while bushing effective interaction length, make to occupy little space, overall knot
Structure is compact.
As shown in Fig. 2 be as shown in Figure 1 low gear position provided with high-grade air inlet and low-grade air inlet in cylinder block 1,
Now, piston 4 is in left end extreme position, and self-locking steel ball 14 is embedded in the groove of shift fork axle 3 under spring force, works as control
Air processed by high-grade inlet charge when, under the influence of air pressure, the shift fork axle 3 for promoting piston 4 connected is moved right air, this
When, steel ball 14 departs from groove, and the inner right side gas of cylinder block 1 is discharged by low-grade air inlet, when piston 4 moves to extreme right position
When putting, in the groove of the high-grade side of the insertion of self-locking steel ball 14 shift fork axle 3, auto-lock function is realized；Conversely, when control air is entered by low grade
During gas port air inlet, air under the influence of air pressure, promotes the connected shift fork axle 3 of piston 4 to left movement, now, steel ball 14 departs from
Groove, the inside left gas of cylinder block 1 is discharged by high-grade air inlet, when piston 4 moves to left end extreme position, self-locking steel ball
In the groove of the low-grade side of 14 insertion shift fork axle 3, auto-lock function is realized.
Claims (4)
1. a kind of AMT gear box sub-cases gear shifting cylinder assembly, by cylinder block, cylinder head, shift fork axle, piston, locking nut, O-shaped
Ring, steel ball, induced magnet, bolt, bushing, elastic spring, steel ball, self-locking spring, plug screw and snap ring composition；It is characterized in that：
Shift fork axle left end is provided with piston, and o-ring and steel ball are provided between shift fork axle and piston, is fixed on piston by locking nut and dials
On fork shaft, o-ring is provided between shift fork axle and cylinder block, bushing is arranged in cylinder block, and spacing by circlip, in cylinder
Body is provided with mounting hole, and steel ball, self-locking spring, plug screw and snap ring are sequentially provided with from inside to outside, and the groove of piston surrounding is provided with O
Cylinder head, is fixed in cylinder block by type ring by bolt.
2. a kind of AMT gear box sub-cases gear shifting cylinder assembly according to claim 1, it is characterised in that described piston
Induced magnet is provided with, shift fork displacement stroke can in real time be monitored by displacement transducer.
3. a kind of AMT gear box sub-cases gear shifting cylinder assembly according to claim 1, it is characterised in that described shift fork
Steel ball is provided between axle and piston, piston is fixed with shift fork axle relative position, it is ensured that induced magnet position is accurate.
4. a kind of AMT gear box sub-cases gear shifting cylinder assembly according to claim 1, it is characterised in that described bushing
The position of upper correspondence self-locking steel ball is provided with circular hole, can pass through self-locking steel ball, it is ensured that bushing effective interaction length it is same
When, make to occupy little space, compact overall structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621466605.0U CN206439390U (en) | 2016-12-29 | 2016-12-29 | A kind of AMT secondary box of gearbox gear shifting cylinder assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621466605.0U CN206439390U (en) | 2016-12-29 | 2016-12-29 | A kind of AMT secondary box of gearbox gear shifting cylinder assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206439390U true CN206439390U (en) | 2017-08-25 |
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ID=59642557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621466605.0U Active CN206439390U (en) | 2016-12-29 | 2016-12-29 | A kind of AMT secondary box of gearbox gear shifting cylinder assembly |
Country Status (1)
| Country | Link |
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| CN (1) | CN206439390U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108266527A (en) * | 2018-03-20 | 2018-07-10 | 陕西法士特齿轮有限责任公司 | A kind of air valve dual control shift fork axle assembly |
| CN108591179A (en) * | 2018-07-18 | 2018-09-28 | 徐州重型机械有限公司 | Pre- locking oil cylinder and hoisting machinery |
-
2016
- 2016-12-29 CN CN201621466605.0U patent/CN206439390U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108266527A (en) * | 2018-03-20 | 2018-07-10 | 陕西法士特齿轮有限责任公司 | A kind of air valve dual control shift fork axle assembly |
| CN108266527B (en) * | 2018-03-20 | 2023-10-10 | 陕西法士特齿轮有限责任公司 | Air valve double-control shifting fork shaft assembly |
| CN108591179A (en) * | 2018-07-18 | 2018-09-28 | 徐州重型机械有限公司 | Pre- locking oil cylinder and hoisting machinery |
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