CN206329725U - A kind of novel gear shift mechanism - Google Patents
A kind of novel gear shift mechanism Download PDFInfo
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- CN206329725U CN206329725U CN201621475671.4U CN201621475671U CN206329725U CN 206329725 U CN206329725 U CN 206329725U CN 201621475671 U CN201621475671 U CN 201621475671U CN 206329725 U CN206329725 U CN 206329725U
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- gear
- shifting
- rocker arm
- ball screw
- screw assembly
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Abstract
The utility model provides a kind of novel gear shift mechanism, including shift motor, ball screw assembly, shift fork axle, gear-shifting rocker arm, shifting shaft and angular transducer, shift motor connects ball screw assembly, ball screw assembly connects gear-shifting rocker arm, gear-shifting rocker arm is connected with shifting shaft, the middle part of gear-shifting rocker arm is connected with shift fork axle, shifting shaft connection angle sensor.Using the technical solution of the utility model, effect is：Overall structure is simplified；By the design of ball screw assembly, with frictional resistance is small and the characteristics of transmission efficiency, is greatly improved the mechanical efficiency and service life of gearshift；The design of angular transducer, convenient can control the opportunity of gearshift and improve the equal accuracy of gearshift, also can quickly search trouble location when there is shifting gears failure, improve efficiency；The utility model is realized and fast, accurately shifted gears as a complete technical scheme, is realized quick lookup failure, is improved transmission efficiency, extension device service life.
Description
Technical field
The utility model is related to technical field of mechanical transmission, and in particular to a kind of novel gear shift mechanism.
Background technology
At present, gearshift can be set in market AMT production transmissions, and gearshift can meet different demands.
The structure of existing gearshift is as follows：By screw mandrel of commonly shifting gears, synchronizer, shifting shaft, selector fork and gearshift
Bar is constituted, and common gearshift leading screw herein is all screw pairs based on sliding friction without ball, such as：Trapezoidal thread silk
Bar, regular screw threads screw mandrel, rectangular thread screw mandrel etc..The operation principle of existing gearshift is：Driven by shift motor general
Logical gearshift screw mandrel, common gearshift screw mandrel drives selector fork to realize gearshift.
Existing gearshift can not meet current demand, with following defect：(1) when shift speed is very fast, commonly
Often there is catching phenomenon in gearshift screw mandrel, and fault rate is high；(2) common gearshift screw mandrel internal friction resistance is big, and transmission efficiency is low, mill
Damage fast, transmission accuracy is low；(3) when there is catching phenomenon, because of mechanism position-sensor-free, it is necessary to devan and just can determine that clamping stagnation
Position, it is very inconvenient to repair, and wastes time and energy, inefficiency.
In summary, be badly in need of one kind simplified with structure, transmission efficiency, long service life, can realize it is accurate shift gears and
The device of the features such as Quick overhaul is to solve problems of the prior art.
Utility model content
The utility model purpose is to provide one kind to simplify with structure, transmission efficiency, long service life, can realize essence
The novel gear shift mechanism of the features such as quasi- gearshift and Quick overhaul, concrete technical scheme is as follows：
A kind of novel gear shift mechanism, including shift motor, ball screw assembly, shift fork axle, gear-shifting rocker arm, shifting shaft and
Angular transducer；
The shift motor connects one end of the ball screw assembly, the other end connection institute of the ball screw assembly
One end of gear-shifting rocker arm is stated, the other end of the gear-shifting rocker arm is connected with one end of the shifting shaft, in the gear-shifting rocker arm
Portion is connected with the shift fork axle, and the other end of the shifting shaft connects the angular transducer.
Preferred in above technical scheme, the ball screw assembly includes screw rod and the spiral shell matched with the screw rod
Mother, the two ends of the screw rod are supported by bearing, and the nut is set on the screw rod and its upper end is provided with groove.
Preferred in above technical scheme, the shift fork axle is provided with neck.
Preferred in above technical scheme, one end of the gear-shifting rocker arm is stuck in the groove on the nut, the other end
Be connected by resilient key with the shifting shaft, the middle part of the gear-shifting rocker arm be provided with the neck in shift fork axle match it is convex
Platform.
In order to reach superior technique effect, also including for limiting the supporting plate that the shifting shaft is axially moved,
The upper end end that the lower end of the supporting plate is close to the gear-shifting rocker arm is set.
Preferred in above technical scheme, the supporting plate, which is provided with, is used for the shifting shaft through the through hole set.
Using the technical solution of the utility model, have the advantages that：
(1) novel gear shift mechanism of the present utility model include shift motor, ball screw assembly, shift fork axle, gear-shifting rocker arm,
Shifting shaft and angular transducer, the shift motor connect one end of the ball screw assembly, the ball screw assembly
The other end connect one end of the gear-shifting rocker arm, the other end of the gear-shifting rocker arm is connected with one end of the shifting shaft, institute
The middle part for stating gear-shifting rocker arm is connected with the shift fork axle, and the other end of the shifting shaft connects the angular transducer.Overall knot
Structure is simplified；By the design of ball screw assembly, with frictional resistance is small and the characteristics of transmission efficiency, is greatly improved gearshift
The mechanical efficiency and service life of mechanism；The design of angular transducer, convenient can control the opportunity of gearshift and improve gearshift
Equal accuracy, also can quickly search trouble location when there is gearshift failure, improve efficiency；Pass through shift motor, ball screw
Assembly, shift fork axle, gear-shifting rocker arm, shifting shaft and angular transducer are as an entirety, effect：Fast, accurately shift gears,
It is easy to use；It is quick to search failure, easy access；Frictional resistance is small between part, and transmission efficiency, service life of equipment is long.
(2) ball screw assembly includes screw rod and nut in the utility model, and screw rod two ends pass through bearings, nut
It is provided with groove；Shift fork axle is provided with neck；Gear-shifting rocker arm is provided with boss, and is connected by resilient key with shifting shaft.These
Feature, component processing is convenient, is easy to power to transmit, is easy to the connection between each part again.
(3) it is easy to process in the utility model, it is easy to be connected with miscellaneous part, while also allowing for transmission.
(4) also include supporting plate in the utility model, shifting shaft can be limited well and be axially moved, improve transmission effect
Rate；Supporting plate is provided with through hole, and shifting shaft is set through the through hole, is easy to the processing of part and is connected with each other between part
Installation and removal.
In addition to objects, features and advantages described above, the utility model also has other purposes, feature and excellent
Point.Below with reference to figure, the utility model is described in further detail.
Brief description of the drawings
The accompanying drawing for constituting the part of the application is used for providing further understanding to of the present utility model, of the present utility model
Schematic description and description is used to explain the utility model, does not constitute to improper restriction of the present utility model.In accompanying drawing
In：
Fig. 1 is the configuration schematic diagram of the novel gear shift mechanism of the utility model preferred embodiment 1；
Fig. 2 is the assembling structure schematic diagram of Fig. 1 novel gear shift mechanism；
Fig. 3 is another assembling structure schematic diagram of Fig. 1 novel gear shift mechanism；
Fig. 4 is Fig. 3 sectional view；
Wherein, 1, shift motor, 2, bearing, 3, ball screw assembly, 3.1, screw rod, 3.2, nut, 3.21, groove, 4,
Shift fork axle, 4.1, neck, 5, resilient key, 6, gear-shifting rocker arm, 6.1, boss, 7, supporting plate, 7.1, through hole, 8, shifting shaft, 9, angle
Spend sensor.
Embodiment
Embodiment of the present utility model is described in detail below in conjunction with accompanying drawing, but the utility model can be according to power
Profit requires to limit and the multitude of different ways of covering is implemented.
Embodiment 1：
Referring to Fig. 1-Fig. 4, a kind of novel gear shift mechanism, including shift motor 1, ball screw assembly 3, shift fork axle 4, gearshift
Rocking arm 6, supporting plate 7, shifting shaft 8 and angular transducer 9.
The ball screw assembly 3 includes screw rod 3.1 and the nut 3.2 matched with the screw rod 3.1, the screw rod
3.1 two ends are supported by bearing 2, and the nut 3.2 is set on the screw rod 3.1 and its upper end is provided with groove
3.21。
The shift fork axle 4 is provided with neck 4.1.
The middle part of the gear-shifting rocker arm 6 is provided with boss 6.1, and the boss 6.1 matches with the neck 4.1.
The supporting plate 7 is provided with through hole 7.1, and the specification of the through hole 7.1 and the external diameter of the shifting shaft 8 match.
The assembly relation of the novel gear shift mechanism of the present embodiment is as follows：
The shift motor 1 is connected in one end of screw rod 3.1 in the ball screw assembly 3, the ball screw assembly 3
Nut 3.2 be set in the other end of the screw rod 3.1；One end of the gear-shifting rocker arm 6 is stuck in the groove on the nut 3.2
In 3.21, the boss 6.1 in the middle part of it is stuck in the neck 4.1 in the shift fork axle 4, its other end by the resilient key 5 with
The lower end connection of the shifting shaft 8；Through hole 7.1 of the upper end of the shifting shaft 8 in the supporting plate 7 is set, and thereon
End is provided with the angular transducer 9.The lower end of the preferably supporting plate 7 is close to the upper end end of the gear-shifting rocker arm 6 herein
Portion is set.
The principle of the novel gear shift mechanism of the present embodiment is：Shift motor is directly connected to ball screw assembly, ball screw
Assembly drives gear-shifting rocker arm, and gear-shifting rocker arm is rotated around shifting shaft, meanwhile, gear-shifting rocker arm drives selector fork and shift fork axle to be changed
Gear is acted, and realizes gear shift operation.
Using the novel gear shift mechanism of the present embodiment, effect is：Using ball screw assembly, frictional resistance is small, transmission effect
Rate is high, is greatly improved the mechanical efficiency and service life of gearshift；Using the design of angular transducer, effect is：A, energy
The position of the gearshift parts such as enough gearshift shift forks of detection in real time, so that the more execution of precise control gear shifting action；B, pass through angle
The feedback signal of sensor is spent, on control suitable gearshift opportunity, so as to realize accurate gearshift, increases shifting comfort；Even if c,
Occurs gearshift failure in use, the signal that can also be fed back by angular transducer finds out the parts such as selector fork tool
Body position, takes adequate measures to be repaired；Technical solutions of the utility model are as an entirety, compared with the prior art,
Specifically prominent substantive distinguishing features and significant progress, reference can be made to table 1.
The Performance comparision table of the novel gear shift mechanism of the prior art of table 1 and the present embodiment
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modifications, equivalent substitutions and improvements made etc. should be included within protection domain of the present utility model.
Claims (6)
1. a kind of novel gear shift mechanism, it is characterised in that including shift motor (1), ball screw assembly (3), shift fork axle (4),
Gear-shifting rocker arm (6), shifting shaft (8) and angular transducer (9)；
The shift motor (1) connects one end of the ball screw assembly (3), the other end of the ball screw assembly (3)
One end of the gear-shifting rocker arm (6) is connected, the other end of the gear-shifting rocker arm (6) is connected with one end of the shifting shaft (8), institute
The middle part for stating gear-shifting rocker arm (6) is connected with the shift fork axle (4), and the other end of the shifting shaft (8) connects the angle sensor
Device (9).
2. novel gear shift mechanism according to claim 1, it is characterised in that the ball screw assembly (3) includes screw rod
(3.1) nut (3.2) and with the screw rod (3.1) matched, the two ends of the screw rod (3.1) are carried out by bearing (2)
Support, the nut (3.2) is set on the screw rod (3.1) and its upper end is provided with groove (3.21).
3. novel gear shift mechanism according to claim 2, it is characterised in that the shift fork axle (4) is provided with neck
(4.1)。
4. novel gear shift mechanism according to claim 3, it is characterised in that one end of the gear-shifting rocker arm (6) is stuck in institute
State in the groove (3.21) on nut (3.2), the other end is connected by resilient key (5) with the shifting shaft (8), and the gearshift is shaken
The middle part of arm (6) is provided with the boss (6.1) matched with the neck (4.1) in the shift fork axle (4).
5. the novel gear shift mechanism according to claim 1-4 any one, it is characterised in that also including described for limiting
The supporting plate (7) that shifting shaft (8) is axially moved, the lower end of the supporting plate (7) is close to the gear-shifting rocker arm (6)
Upper end end is set.
6. novel gear shift mechanism according to claim 5, it is characterised in that the supporting plate (7) is provided with for described
Shifting shaft (8) is through the through hole (7.1) set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621475671.4U CN206329725U (en) | 2016-12-30 | 2016-12-30 | A kind of novel gear shift mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621475671.4U CN206329725U (en) | 2016-12-30 | 2016-12-30 | A kind of novel gear shift mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206329725U true CN206329725U (en) | 2017-07-14 |
Family
ID=59293650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621475671.4U Active CN206329725U (en) | 2016-12-30 | 2016-12-30 | A kind of novel gear shift mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206329725U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763739A (en) * | 2016-12-30 | 2017-05-31 | 株洲欧格瑞传动股份有限公司 | A kind of novel gear shift mechanism |
| CN107269833A (en) * | 2017-08-03 | 2017-10-20 | 浙江万里扬股份有限公司 | Swing arm unit, speed changer and clutch |
| CN109296749A (en) * | 2018-11-22 | 2019-02-01 | 山东理工大学 | Automotive transmission screw slide gearshift and control method |
-
2016
- 2016-12-30 CN CN201621475671.4U patent/CN206329725U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763739A (en) * | 2016-12-30 | 2017-05-31 | 株洲欧格瑞传动股份有限公司 | A kind of novel gear shift mechanism |
| CN107269833A (en) * | 2017-08-03 | 2017-10-20 | 浙江万里扬股份有限公司 | Swing arm unit, speed changer and clutch |
| CN109296749A (en) * | 2018-11-22 | 2019-02-01 | 山东理工大学 | Automotive transmission screw slide gearshift and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191029 Address after: 412000 Ming day road, Tianyuan District, Zhuzhou, Hunan Province, No. 10 Patentee after: Zhuzhou Gearings Co., Ltd. Address before: 412000, Zhuzhou, Hunan province Tianyuan District Pearl River North Road chestnut rain Industrial Park Patentee before: Zhuzhou Accurate Drive Train Co., Ltd. |
|
| TR01 | Transfer of patent right |