CN208793605U - A kind of ball-screw directly drives AMT motor gear shift mechanism - Google Patents
A kind of ball-screw directly drives AMT motor gear shift mechanism Download PDFInfo
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- CN208793605U CN208793605U CN201821316042.6U CN201821316042U CN208793605U CN 208793605 U CN208793605 U CN 208793605U CN 201821316042 U CN201821316042 U CN 201821316042U CN 208793605 U CN208793605 U CN 208793605U
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Abstract
The utility model discloses a kind of ball-screws directly to drive AMT motor gear shift mechanism, including input shaft, output flange, gearbox and gear shifting actuating mechanism, the gear shifting actuating mechanism includes angular transducer, porous plug, ball screw assembly, shift motor, shift slide-bar and selector fork, the upper surface of the ball screw assembly, is fixedly connected with porous plug, one end of the ball screw assembly, is fixedly connected with angular transducer, and the other end of the ball screw assembly, is fixedly connected with the output shaft of shift motor.The ball-screw directly drives AMT motor gear shift mechanism, shift control is directly carried out by using ball screw framework, save complicated deceleration Zeng Ju mechanism, it is compact-sized, light and handy, ball-screw converts rotational motion to linear movement, torque is converted into axial repeated action power, while having both high-precision, invertibity and high efficiency, ensure that block selecting position it is reliable with it is accurate.
Description
Technical field
The utility model relates to vehicle AMT mechanism technology field, specially a kind of ball-screw directly drives AMT motor shifting
Mechanism.
Background technique
Shift control is that the key components and parts of AMT control have more to substitute the work of conventional manual case on existing market
Money gearshift, but there is also a little disadvantages in principle, the block selecting of existing electric motor type gear shift mechanism mostly uses cylindrical cam, gear
Retarder or worm and gear, but these mechanism elements are complicated, and at high cost, manufacture is not easy, and Worm Wheel System efficiency is lower, mill
Damage more serious, for worm and gear in engaged transmission, the relative sliding velocity of engagement wheel between cog is big, therefore frictional dissipation is big, low efficiency.
On the other hand, relative sliding velocity ambassador tooth surface abrasion is serious, fever is serious, in order to radiate and reduce abrasion, frequently with price
Antifriction quality costly and the preferable material of wear resistence and good lubricating arrangement, thus higher cost, worm screw axial force compared with
Greatly.Cam mechanism is higher pair mechanism, is prone to wear out, and will affect the accuracy of the characteristics of motion after abrasion, therefore is only applicable to transmit
The little occasion of power.
Utility model content
The purpose of this utility model is to provide a kind of ball-screws directly to drive AMT motor gear shift mechanism, above-mentioned to solve
The problem of being proposed in background technique.
To achieve the above object, the utility model provides the following technical solutions: a kind of ball-screw directly drives the choosing of AMT motor and changes
Retaining device, including input shaft, output flange, gearbox and gear shifting actuating mechanism, the gear shifting actuating mechanism include angle sensor
Device, porous plug, ball screw assembly, shift motor, shift slide-bar and selector fork, the upper surface of the ball screw assembly, is fixed to be connected
It is connected to porous plug, one end of the ball screw assembly, is fixedly connected with angular transducer, and the other end of the ball screw assembly, is solid
Surely it is connected with the output shaft of shift motor, the lower end of the ball screw assembly, is fixedly connected with selector fork, the selector fork
A side surface be fixedly connected with shift slide-bar, the gearbox includes synchronizer, first gear gear pair and second gear gear pair,
One side surface of the synchronizer is fixedly connected with first gear gear pair, and another side surface of the synchronizer is fixedly connected with
One side surface of second gear pair, the gearbox is fixedly connected with input shaft.
Preferably, selector fork is arranged at the axis of the synchronizer.
Preferably, the gearbox is located at the lower end of gear shifting actuating mechanism.
Preferably, another side surface of the gearbox is fixedly connected with output flange.
Compared with prior art, the utility model has the beneficial effects that the ball-screw directly drives AMT motor shifting machine
Structure directly carries out shift control by using ball screw assembly, saves complicated deceleration Zeng Ju mechanism, compact-sized, light and handy, rolling
Ballscrew converts rotational motion to linear movement, and torque is converted into axial repeated action power, at the same have both high-precision, it is reversible
Property and high efficiency, ensure that block selecting position it is reliable with it is accurate.
Detailed description of the invention
Fig. 1 is the AMT system assembly figure of the utility model；
Fig. 2 is the gear shifting actuating mechanism structure chart of the utility model；
Fig. 3 is the transmission internal structure chart of the utility model；
Fig. 4 is the system dynamic transmission path schematic diagram of the utility model；
In figure: 1 gear shifting actuating mechanism, 2 input shafts, 3 gearboxes, 4 vehicle speed sensor, 5 output flanges, 6 angular transducers,
7 porous plugs, 8 ball screw assembly,s, 9 shift motors, 10 shift slide-bars, 11 selector forks, 12 synchronizers, 13 first gear gear pairs,
14 second gear gear pairs, 15 shifting power transmission paths.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1-4, the utility model provides a kind of technical solution: a kind of ball-screw directly drives AMT motor shifting
Mechanism, including input shaft 2, output flange 5, gearbox 3 and gear shifting actuating mechanism 1, gear shifting actuating mechanism 1 include angular transducer
6, the upper surface of porous plug 7, ball screw assembly, 8, shift motor 9, shift slide-bar 10 and selector fork 11, ball screw assembly, 8 is solid
Surely be connected with porous plug 7, one end of ball screw assembly, 8 is fixedly connected with angular transducer 6, can real-time detection to drive range,
Guarantee that shift is accurate and reliable, the other end of ball screw assembly, 8 is fixedly connected with the output shaft of shift motor 9, the type of shift motor 9
It number is HH-37GB555, shift motor 9 and forward-reverse switch and external power supply are connected in series, are directly driven by shift motor 9
Ball screw assembly, 8 effectively saves vehicle space, keeps mechanism overall structure more compact, carry out shift control by ball screw assembly, 8,
It using the high efficiency of mechanism, ensure that into gear speed, it can be achieved that micro and high speed feed, ensure that block selecting position is reliable, accurate,
The lower end of ball screw assembly, 8 is fixedly connected with selector fork 11, and a side surface of selector fork 11 is fixedly connected with shift slide-bar
10, gearbox 3 includes synchronizer 12, first gear gear pair 13 and second gear gear pair 14, and gearbox 3 is located at gear shifting actuating mechanism
1 lower end is arranged with selector fork 11 at the axis of synchronizer 12, and a side surface of synchronizer 12 is fixedly connected with first gear tooth
Wheel set 13, another side surface of synchronizer 12 are fixedly connected with second gear gear pair 14, and a side surface of gearbox 3 is fixedly connected
There is input shaft 2, another side surface of gearbox 3 is fixedly connected with output flange 5.
Shift motor 9 directly drives the rotation of ball screw assembly, 8, pushes the spiral shell of ball screw assembly, 8 by rotating after being powered
Mother's axial movement, while selector fork 11 being driven to follow movement, it drives synchronizer 12 mobile, first gear is engaged by synchronizer 12
Gear shifting action can be realized in gear pair 13 or second gear gear pair 14, realizes that shifting power transmission path 15, shift motor 9 wrap
The forward-reverse switch contained can realize the conversion of advance and retreat shelves and high and low shift, and ball screw assembly, 8 rotates, and angular transducer 6 is driven to rotate,
6 output signal of angular transducer is, it can be achieved that drive range monitors.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of ball-screw directly drives AMT motor gear shift mechanism, including input shaft (2), output flange (5), gearbox (3) and
Gear shifting actuating mechanism (1), it is characterised in that: the gear shifting actuating mechanism (1) includes angular transducer (6), porous plug (7), rolling
Ballscrew pair (8), shift motor (9), shift slide-bar (10) and selector fork (11), the upper surface of the ball screw assembly, (8)
It is fixedly connected with porous plug (7), one end of the ball screw assembly, (8) is fixedly connected with angular transducer (6), the ball wire
The other end of thick stick pair (8) is fixedly connected with the output shaft of shift motor (9), and the lower end of the ball screw assembly, (8) is fixedly connected
Have selector fork (11), a side surface of the selector fork (11) is fixedly connected with shift slide-bar (10), the gearbox (3)
Including synchronizer (12), first gear gear pair (13) and second gear gear pair (14), a side surface of the synchronizer (12) is solid
Surely it is connected with first gear gear pair (13), another side surface of the synchronizer (12) is fixedly connected with second gear gear pair
(14), a side surface of the gearbox (3) is fixedly connected with input shaft (2).
2. a kind of ball-screw according to claim 1 directly drives AMT motor gear shift mechanism, it is characterised in that: described same
It walks and is arranged with selector fork (11) at the axis of device (12).
3. a kind of ball-screw according to claim 1 directly drives AMT motor gear shift mechanism, it is characterised in that: the change
Fast case (3) is located at the lower end of gear shifting actuating mechanism (1).
4. a kind of ball-screw according to claim 1 directly drives AMT motor gear shift mechanism, it is characterised in that: the change
Another side surface of fast case (3) is fixedly connected with output flange (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821316042.6U CN208793605U (en) | 2018-08-15 | 2018-08-15 | A kind of ball-screw directly drives AMT motor gear shift mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821316042.6U CN208793605U (en) | 2018-08-15 | 2018-08-15 | A kind of ball-screw directly drives AMT motor gear shift mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208793605U true CN208793605U (en) | 2019-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821316042.6U Active CN208793605U (en) | 2018-08-15 | 2018-08-15 | A kind of ball-screw directly drives AMT motor gear shift mechanism |
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| CN (1) | CN208793605U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943921A (en) * | 2021-03-24 | 2021-06-11 | 合肥工业大学 | Two-gear power assembly system capable of adaptively shifting gears |
| CN114746676A (en) * | 2019-11-27 | 2022-07-12 | 克诺尔商用车制动系统有限公司 | Actuator device for a gearbox |
-
2018
- 2018-08-15 CN CN201821316042.6U patent/CN208793605U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114746676A (en) * | 2019-11-27 | 2022-07-12 | 克诺尔商用车制动系统有限公司 | Actuator device for a gearbox |
| CN112943921A (en) * | 2021-03-24 | 2021-06-11 | 合肥工业大学 | Two-gear power assembly system capable of adaptively shifting gears |
| CN112943921B (en) * | 2021-03-24 | 2023-03-07 | 合肥工业大学 | Two-gear power assembly system capable of adaptively shifting gears |
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