CN204784663U - AMT auto -lock and interlocking mechanism - Google Patents
AMT auto -lock and interlocking mechanism Download PDFInfo
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- CN204784663U CN204784663U CN201520430212.3U CN201520430212U CN204784663U CN 204784663 U CN204784663 U CN 204784663U CN 201520430212 U CN201520430212 U CN 201520430212U CN 204784663 U CN204784663 U CN 204784663U
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Abstract
The utility model discloses a AMT auto -lock and interlocking mechanism, include that the selection that keeps off the axle control through the selection keeps off the slider, both sides that the selection kept off the slider direction of motion are provided with the interlocking guide block, and the shifting block setting is shifted gears on the slider of shifting gears to the selection, and the slider of shifting gears passes through selector shaft control, and the one end elastic connection of the slider of shifting gears has the knock pin, is provided with from the locking piece with the knock pin cooperation, is provided with the three concave part that makes the knock pin block on the locking piece. This device improves and increases interlocking and the self -locking function that AMT can be realized to few part on the current basis of controing, dependable performance, simple structure, good, the low cost of commonality, and obvious to perfecing of AMT performance and castering action, potential economic benefits is obvious.
Description
[technical field]
The utility model belongs to gearbox field, is specifically related to a kind of AMT self-locking and mutual interlocking gear.
[background technique]
The self-locking of speed changer and interlocking function are speed changer very part and parcels, and self-locking can prevent speed changer off-gear, and interlocking can prevent speed changer from hanging two or more gears simultaneously and damaging speed changer.In the existing AMT product of our company, self-locking and mutual interlocking gear are arranged on the casing of speed changer, and great changes will take place due to housing for AMT product of new generation, and cannot arrange self-locking interlocking, the safety of such speed changer has just had great hidden danger.
[model utility content]
The purpose of this utility model is to overcome above-mentioned deficiency, provides a kind of AMT self-locking and mutual interlocking gear, improves the self-locking mechanism of existing AMT, increase interlocking function simultaneously.
In order to achieve the above object, a kind of AMT self-locking and mutual interlocking gear, comprise the block selecting slide block be fixedly connected with block selecting axle, block selecting slide block both sides are fixedly installed interlocking guide block, shifting shifting block is provided with between interlocking guide block, shifting shifting block is through the gearshift groove of block selecting slide block, and be arranged in the block selecting groove of shift carriage, shift carriage is fixedly connected with shifting shaft, the axes normal of shifting shaft and block selecting axle is arranged, one end of shift carriage is elasticly connected with ejector pin, and one end of ejector pin arranges self-locking block, self-locking block is provided with three recesses that can coordinate with ejector pin.
Described shifting shifting block can only move perpendicular to block selecting axle axial direction in the gearshift groove of block selecting slide block, is parallel to block selecting axle axial direction and is positioned by the inner side surface of block selecting slide block; Shifting shifting block can only move perpendicular to shifting shaft axial direction in the block selecting groove of shift carriage, is parallel to shifting shaft axial direction and is positioned by the block selecting groove inner side surface of shift carriage.
Described shifting shifting block is T-shaped, and its base width is greater than the width of the gearshift groove of block selecting slide block, and can be pushed down by block selecting slide block.
One end of described block selecting axle is fixedly connected with the piston of gear-selecting cylinder, and block selecting slider support is on operating mechanism housing; One end of shifting shaft is fixedly connected with the piston of shifting cylinder, and the other end of shifting shaft is supported on operating mechanism housing.
One end of described shift carriage offers blind hole, is provided with spring in blind hole, and the other end of spring holds out against ejector pin, and ejector pin holds out against on self-locking block.
Described interlocking guide block and block selecting slide block are by being fixedly connected with or being integral type structure.
Compared with prior art, block selecting axle of the present utility model can pull or promote block selecting slide block and move in the axial direction, interlocking guide block can move with shifting shifting block together with block selecting slide block, when interlocking guide block and shifting shifting block moves to working position, AMT can only carry out gear shift operation to the gearshift guide block alignd with shifting shifting block, the gearshift guide block of other gears all can be blocked by interlocking guide block, in the motion of gearshift direction, cannot so just achieve the interlocking function between each gear of AMT; Ejector pin coordinates with self-locking block, in any one recess that shift carriage can be made to be fixed in self-locking block, achieve the auto-lock function of AMT, this device improves and increases interlocking and the auto-lock function that few part can realize AMT on the basis of existing manipulation, reliable performance, structure are simple, versatility good, with low cost, obvious for improving with castering action of AMT performance, potential economic benefit is obvious.
Further, shifting shifting block is T-shaped, can be pushed down by block selecting slide block, and it can be stoped to scurry out.
[accompanying drawing explanation]
Fig. 1 is the structural representation of the utility model AMT self-locking and mutual interlocking gear;
Fig. 2 is that the A of shifting shifting block in Fig. 1 is to schematic diagram;
Fig. 3 is three kinds of working state schematic representations of the utility model AMT self-locking and mutual interlocking gear;
The three-dimensional structure diagram of the utility model AMT self-locking of Fig. 4 position and mutual interlocking gear.
[embodiment]
Below in conjunction with accompanying drawing, the utility model is described further.
See Fig. 1 and Fig. 4, a kind of AMT self-locking and mutual interlocking gear, comprise the block selecting slide block 6 be fixedly connected with block selecting axle 3, one end of block selecting axle 3 is fixedly connected with the piston of gear-selecting cylinder, block selecting slide block 6 is supported on operating mechanism housing, the both sides of block selecting slide block 6 moving direction are provided with interlocking guide block 2, interlocking guide block 2 be bolted with block selecting slide block 6 or with block selecting slide block 6 for integral type designs; Shifting shifting block 7 is provided with between interlocking guide block 2, shifting shifting block 7 is through the gearshift groove of block selecting slide block 6, and be arranged in the block selecting groove of the shift carriage 4 below block selecting slide block 6, shift carriage 4 is fixedly connected with shifting shaft 5, one end of shifting shaft 5 is fixedly connected with the piston of shifting cylinder, and the other end is supported on operating mechanism housing.Shifting shifting block 7 can only move perpendicular to block selecting axle 3 axial direction in the gearshift groove of block selecting slide block 6, is parallel to block selecting axle 3 axial direction and is positioned by the inner side surface of block selecting slide block 6; Shifting shifting block 7 can only move perpendicular to shifting shaft 5 axial direction in the block selecting groove of shift carriage 4, is parallel to shifting shaft 5 axial direction and is positioned by the block selecting groove inner side surface of shift carriage 4; Block selecting axle 3 is connected with gear-selecting cylinder, and gear-selecting cylinder drives block selecting slide block 6 to move axially to carry out choosing by block selecting axle 3 works as, and block selecting slide block 6 drives shifting shifting block 7 to carry out block selecting further; Shifting shaft is connected with shifting cylinder, and shifting cylinder drives shift carriage 4 to move axially by shifting shaft 5 to carry out, and shift carriage 4 drives shifting shifting block 7 to carry out putting into gear or plucking gear further.
Shifting shifting block 7 is T-shaped, its base width is greater than the width of the gearshift groove of block selecting slide block 6, pushed down by block selecting slide block 6, stop it to scurry out, also gear shifting pulling head 7 part be arranged in the block selecting groove of shift carriage 4 can be set to swallow-tail form or inverted T shape, the block selecting groove of shift carriage 4 is arranged to the shape with its adaptation, prevents its gear shifting pulling head 7 from scurrying out;
One end of shift carriage 4 offers blind hole, spring is provided with in blind hole, the other end of spring holds out against ejector pin 1, self-locking block 8 is equipped with ejector pin 1, self-locking block 8 is provided with three recesses coordinated with ejector pin 1, three recess spaced sets on self-locking block 8, and is provided with inclined-plane or curved surface, under the pressure of spring and the inclined-plane of recess or curved surface synergy, ejector pin 1 is secured in recess and realizes self-locking.
Working method of the present utility model, comprises the following steps:
Step one: during block selecting, block selecting axle 3 can pull or promote block selecting slide block 6 and move in the axial direction, block selecting slide block 6 promotes shifting shifting block 7 and slides in the block selecting groove of shift carriage 4, when interlocking guide block 2 and shifting shifting block 7 moves to working position, namely when shifting shifting block 7 aligns with corresponding gearshift guide block 10, block selecting completes, shifting shifting block 7 could carry out gear shift operation to the gearshift guide block 10 of alignment, the gearshift guide block of other gears all can be blocked by interlocking guide block 2, in the motion of gearshift direction, cannot so just achieve the interlocking function between each gear;
Step 2: when shifting gears or pluck gear, shifting shaft 5 can pull or promote shift carriage 4 axial motion, after shift carriage 4 also drives ejector pin 1 to overcome the self-lock force produced by self-locking spring and self-locking block 8 recess, another recess is moved to by any one recess, now shifting shifting block 7 is under the drive of shift carriage 4, slide in the gearshift groove of block selecting slide block 6, and stir gearshift guide block 10 and carry out putting into gear or plucking gear, put into gear or pluck gear when completing; Again in conjunction with the compression pretension elastic force of return spring itself, and the inclined-plane of self-locking block 8 recess or curved surface, ejector pin 1 being made to be kept and be stabilized in the active force of this recess, is exactly complete auto-lock function like this, recess in the middle of self-locking block 8 is neutral gear position, and two other is position of putting into gear.
See Fig. 2 and Fig. 3, the implementation process of mutual interlocking gear: when AMT carries out block selecting operation, first block selecting axle 3 can pull or promote block selecting slide block 6 and moves in the axial direction, interlocking guide block 2 can move with shifting shifting block 7 together with block selecting slide block 6, when interlocking guide block 2 and shifting shifting block 7 moves to (1) (2) (3) arbitrary position shown in Fig. 3, AMT can only carry out gear shift operation to the gearshift guide block 10 alignd with shifting shifting block 7, the gearshift guide block of other gears all can be blocked by interlocking guide block 2, cannot in the motion of gearshift direction, so just achieve the interlocking function between each gear of AMT.
See Fig. 1, the implementation process of self-locking design: first one end of shift carriage 4 is processed a blind hole, for installing ejector pin 1 and return spring, when determining this hole depth and selecting return spring, ensure both coordinate with self-locking block 8 install time, return spring has certain decrement; When AMT shifts gears, shifting shaft 5 can pull or promote shift carriage 4 in axial motion, (dashed middle line is neutral gear position to three dotted lines being in Fig. 1 shown in the first width picture when ejector pin 1, upper and lower two is position of putting into gear) position time, due to the form construction design that self-locking block 8 is special, again in conjunction with the compression pretension elastic force of return spring itself, ejector pin 1 can be made to be kept and be stabilized in the active force of these three positions, the namely self-lock force of AMT, the large I of this power designed as required at the design initial stage to be determined, is exactly the auto-lock function achieving AMT like this.
Claims (6)
1. an AMT self-locking and mutual interlocking gear, it is characterized in that: comprise the block selecting slide block (6) be fixedly connected with block selecting axle (3), block selecting slide block (6) both sides are fixedly installed interlocking guide block (2), shifting shifting block (7) is provided with between interlocking guide block (2), shifting shifting block (7) is through the gearshift groove of block selecting slide block (6), and be arranged in the block selecting groove of shift carriage (4), shift carriage (4) is fixedly connected with shifting shaft (5), shifting shaft (5) is arranged with the axes normal of block selecting axle (3), one end of shift carriage (4) is elasticly connected with ejector pin (1), one end of ejector pin (1) arranges self-locking block (8), self-locking block (8) is provided with three recesses that can coordinate with ejector pin (1).
2. a kind of AMT self-locking according to claim 1 and mutual interlocking gear, it is characterized in that: described shifting shifting block (7) can only move perpendicular to block selecting axle (3) axial direction in the gearshift groove of block selecting slide block (6), is parallel to block selecting axle (3) axial direction and is positioned by the inner side surface of block selecting slide block (6); Shifting shifting block (7) can only move perpendicular to shifting shaft (5) axial direction in the block selecting groove of shift carriage (4), is parallel to shifting shaft (5) axial direction and is positioned by the block selecting groove inner side surface of shift carriage (4).
3. a kind of AMT self-locking according to claim 1 and mutual interlocking gear, it is characterized in that: described shifting shifting block (7) is for T-shaped, its base width is greater than the width of the gearshift groove of block selecting slide block (6), and can be pushed down by block selecting slide block (6).
4. a kind of AMT self-locking according to claim 1 and mutual interlocking gear, is characterized in that: one end of described block selecting axle (3) is fixedly connected with the piston of gear-selecting cylinder, and block selecting slide block (6) is supported on operating mechanism housing; One end of shifting shaft (5) is fixedly connected with the piston of shifting cylinder, and the other end of shifting shaft (5) is supported on operating mechanism housing.
5. a kind of AMT self-locking according to claim 1 and mutual interlocking gear, it is characterized in that: one end of described shift carriage (4) offers blind hole, spring is provided with in blind hole, the other end of spring holds out against ejector pin (1), and ejector pin (1) holds out against on self-locking block (8).
6. a kind of AMT self-locking according to claim 1 and mutual interlocking gear, is characterized in that: described interlocking guide block (2) and block selecting slide block (6) are by being fixedly connected with or being integral type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520430212.3U CN204784663U (en) | 2015-06-19 | 2015-06-19 | AMT auto -lock and interlocking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520430212.3U CN204784663U (en) | 2015-06-19 | 2015-06-19 | AMT auto -lock and interlocking mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN204784663U true CN204784663U (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520430212.3U Active CN204784663U (en) | 2015-06-19 | 2015-06-19 | AMT auto -lock and interlocking mechanism |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913055A (en) * | 2015-06-19 | 2015-09-16 | 陕西法士特齿轮有限责任公司 | AMT self-locking and interlocking mechanism and control method |
| CN105626858A (en) * | 2016-03-16 | 2016-06-01 | 浙江长泰机械有限公司 | Interlocking plate |
| CN110985666A (en) * | 2019-12-18 | 2020-04-10 | 陕西法士特齿轮有限责任公司 | Electric gear selecting and shifting actuating mechanism |
-
2015
- 2015-06-19 CN CN201520430212.3U patent/CN204784663U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913055A (en) * | 2015-06-19 | 2015-09-16 | 陕西法士特齿轮有限责任公司 | AMT self-locking and interlocking mechanism and control method |
| CN105626858A (en) * | 2016-03-16 | 2016-06-01 | 浙江长泰机械有限公司 | Interlocking plate |
| CN110985666A (en) * | 2019-12-18 | 2020-04-10 | 陕西法士特齿轮有限责任公司 | Electric gear selecting and shifting actuating mechanism |
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| C14 | Grant of patent or utility model | ||
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