CN203743400U - Automatic gear shifting device of automatic mechanical transmission - Google Patents
Automatic gear shifting device of automatic mechanical transmission Download PDFInfo
- Publication number
- CN203743400U CN203743400U CN201420119223.5U CN201420119223U CN203743400U CN 203743400 U CN203743400 U CN 203743400U CN 201420119223 U CN201420119223 U CN 201420119223U CN 203743400 U CN203743400 U CN 203743400U
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- Prior art keywords
- gear shifting
- transmission mechanism
- swing
- shifting device
- automatic
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Abstract
The utility model provides an automatic gear shifting device of an automatic mechanical transmission. The automatic gear shifting device of the automatic mechanical transmission comprises a gear shifting shaft (1), a joy stick swing transmission mechanism (2) and a joy stick moving transmission mechanism (3). The joy stick swing transmission mechanism (2) comprises a swing connecting spline (21) arranged on the gear shifting shaft (1), a swing connecting rod (22) connected to the outer portion of the swing connecting spline (21) in a sleeved mode and a first linear actuator (23) hinged to the torque input end of the swing connecting rod (22). The joy stick moving transmission mechanism (3) comprises a moving shifting fork (31) connected in a moving connecting groove in the gear shifting shaft (1) in a forked mode, a moving connecting rod (32) connected with the torque input end of the moving shifting fork (31) and a second linear actuator (33) connected to the torque input end of the moving connecting rod (32) through a gear shifting clamp. According to the automatic gear shifting device of the automatic mechanical transmission, the joy stick swing transmission mechanism and the joy stick moving transmission mechanism are used for achieving the swing and the up-and-down movements of the gear shifting shaft respectively, normal gear shifting actions can be achieved, good gear shifting smoothness and riding comfortableness are achieved, and the automatic gear shifting device is not prone to damage and low in maintenance cost.
Description
Technical field
The utility model relates to a kind of auto-shifting device of automatic speed changer for machine, belongs to automotive transmission technical field.
Background technique
Growing along with automotive industry and transport undertaking, people have higher requirement to the usability of automobile.Because the output of automobile increases year by year, application area is more and more wide, non-professional driver is also more and more, traditional manually shifted transmission exists is difficult to skilled control, the more complicated shortcoming of operation also seems more and more outstanding, and driver also will be according to road conditions and engine working conditions, select suitable gear and gear shift constantly, the power performance and the economy performance that guarantee is good.But not experienced driver is because gear shift selects improper meeting to cause engine misses, power character to decline and the problem such as seriously degenerate of Economy constantly.Meanwhile, also can cause the blowdown of vehicle to increase, larger noise and affect the life-span of power system and the decline of riding comfort.Because traditional manual-shift gearbox needs the cooperation of accelerator pedal, clutch pedal and shift level when the gear shift, these have all proposed higher requirement to unskilled driver.In addition, because gear shift is frequent, when particularly travel in starting and urban district, change continuously at short notice several gears, easily make driver fatigue, also greatly disperse driver's attention, reduce the Security of travelling.In view of the above-mentioned shortcoming of manually shifted transmission, the automatic manipulation of automotive transmission has become the important directions of Improvement and perfection automotive performance.
AMT (automatic speed changer for machine) fixedly applies the theoretical and advanced electron controls technology of automatic speed changing on the basis of shaft type manual transmission and dry clutch in tradition, by electronic control unit, controls automatic manipulation electric, that liquid actuator realizes automotive power.Traditional AMT is because original mechanical transmission structure is substantially constant, therefore have that conventional gears speed changer transmission efficiency is high, cost is low, be easy to the advantages such as manufacture, the automatic speed changing function also with handiness, it mainly uses on low and middle-grade passenger cars and heavy-duty commercial vehicle simultaneously.
But, therefore because AMT improves on the basis of traditional manual speed changer, still have the smoothness of gear shift and the poor problem of travelling comfort of taking, and the automatically controlled gear shift of AMT and clutch be partly easier to damage, cause maintenance cost higher.
Summary of the invention
The utility model is partly easier to for solving the smoothness of the gear shift existing in existing automatic speed changer for machine technology and poor, the automatically controlled gear shift of travelling comfort of taking and clutch the problem of damaging, and then a kind of auto-shifting device of automatic speed changer for machine is provided, the utility model provides following technological scheme:
A kind of auto-shifting device of automatic speed changer for machine, comprise: shift shaft, operating handle swinging transmission mechanism and operating handle movement and transmission mechanism, operating handle swinging transmission mechanism comprises that the swing being arranged on shift shaft connects spline, the swing connecting bar of noose outside swing connecting spline and first electric pushrod hinged with the moment input end of swing connecting bar, operating handle movement and transmission mechanism comprises the mobile shift fork in the mobile link groove of fork-join on shift shaft, the mobile link being connected with the moment input end of mobile shift fork and the second electric pushrod being connected with the moment input end of mobile link by gear shift clip.
The auto-shifting device of the automatic speed changer for machine that the utility model mode of execution provides is respectively used to realize the swing of shifting shaft and move up and down by operating handle swinging transmission mechanism and operating handle movement and transmission mechanism, not only can realize normal gearshift action, and the travelling comfort that there is good smooth gear shifting and take, also not fragile, maintenance cost is lower.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment's technological scheme, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the auto-shifting device of the automatic speed changer for machine that provides of embodiment of the present utility model;
Fig. 2 is the structural representation of the operating handle swinging transmission mechanism that provides of embodiment of the present utility model;
Fig. 3 is the structural representation of the operating handle movement and transmission mechanism that provides of embodiment of the present utility model;
Fig. 4 is the structural representation of the gear detecting mechanism that provides of embodiment of the present utility model;
Fig. 5 is the structural representation of the clutch actuating mechanism that provides of embodiment of the present utility model;
Fig. 6 is the first general assembly schematic diagram of the auto-shifting device that provides of embodiment of the present utility model;
Fig. 7 is the second general assembly schematic diagram of the auto-shifting device that provides of embodiment of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiments.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment who obtains under creative work prerequisite, all belong to the scope of the utility model protection.
This embodiment provides a kind of auto-shifting device of automatic speed changer for machine, as described in Figure 1, comprise: shift shaft 1, operating handle swinging transmission mechanism 2 and operating handle movement and transmission mechanism 3, operating handle swinging transmission mechanism 2 comprises that the swing being arranged on shift shaft 1 connects spline 21, the swing connecting bar 22 of noose outside swing connecting spline 21 and first electric pushrod 23 hinged with the moment input end of swing connecting bar 22, operating handle movement and transmission mechanism 3 comprises the mobile shift fork 31 in the mobile link groove of fork-join on shift shaft 1, the mobile link 32 being connected with the moment input end of mobile shift fork 31 and the second electric pushrod 33 being connected with the moment input end of mobile link 32 by gear shift clip.
Concrete, the structure of operating handle swinging transmission mechanism 2 as shown in Figure 2, arranges one and swings connection spline 21 on shift shaft 1, then is swinging swing connecting bar 22 with internal spline of connection spline 21 overcoat, and swing connecting bar 22 and the first electric pushrod 23 are hinged.When the first electric pushrod 23 side-to-side movement, drive swing connecting bar 22 and shift shaft 1 to rotate within the specific limits; When shift shaft 1 moves up and down, swing connecting bar 22 connects on spline 21 and slides up and down in swing, does not affect the rotation of shift shaft 1.
The structure of operating handle movement and transmission mechanism 3 as shown in Figure 3, a mobile link groove is set on shift shaft 1, on mobile link groove, connect a mobile shift fork 31, mobile shift fork 31 connects a mobile link 32, mobile link 32 is clipped in fan-shaped gear shift clip, gear shift clip is fixedly connected with the second electric pushrod 33, and the second electric pushrod 33 is fixedly connected on a support, and support is fixed on vehicle body.When shifting shaft 1 rotates, mobile link 32 rotates in fan-shaped gear shift clip, and when needs carry out gear shift, the second electronic 33 bars that push away move up and down and drive gear shift clip to be realized and being moved longitudinally by mobile link 32 and mobile shift fork 31.
Further, if the auto-shifting device of the automatic speed changer for machine that this embodiment is provided is applied in AMT, can increase a gear detecting mechanism 4, as shown in Figure 4, gear detecting mechanism 4 comprises rack-mount linear hall element and is fixed on two sensitive switches at electromagnet upper shell top, for judging by the on off operating mode of two sensitive switches and the output voltage of linear hall element whether gear selecting action and gear shift action put in place, form feedback control, and current gear is identified.
The auto-shifting device of the automatic speed changer for machine that this embodiment provides can also comprise clutch actuating mechanism 5, as shown in Figure 5, clutch actuating mechanism 5 comprises the 3rd electric pushrod 51, pulling force sensor 52 and the clutch cable 53 being fixed on support, the 3rd electric pushrod 51 is connected with clutch by clutch cable 53, and pulling force sensor 52 is arranged on clutch cable 53.During clutch actuating mechanism 5 operation, seesawing of the 3rd electric pushrod 51 pulls clutch by clutch cable 52, and simulation people pin is stepped on the process of clutch.
As shown in Figure 6 and Figure 7 be total assembling structure of described auto-shifting device, the 4th electric pushrod 61 is connected with support 63 with support bracket bolt respectively with the 5th electric pushrod 62, the 4th electric pushrod also 61 with the spline joint of spline housing 64, spline housing 64 passes through spline joint with shifting shaft 65, and then control shifting shaft 65 circumference rotatablely move; The 5th electric pushrod 62 is bolted with shifting shaft 65, and then controls shifting shaft 65 left and right to-and-fro motion.The 4th electric pushrod 61 and the 5th electric pushrod 62 cooperatings make shifting shaft 65 in diverse location and then realize the conversion of different gears.
The technological scheme that adopts this embodiment to provide, by operating handle swinging transmission mechanism and operating handle movement and transmission mechanism, be respectively used to realize the swing of shifting shaft and move up and down, not only can realize normal gearshift action, and the travelling comfort that there is good smooth gear shifting and take, also not fragile, maintenance cost is lower.
The above; it is only preferably embodiment of the utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model embodiment discloses; the variation that can expect easily or replacement, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (4)
1. the auto-shifting device of an automatic speed changer for machine, comprise: shift shaft (1), operating handle swinging transmission mechanism (2) and operating handle movement and transmission mechanism (3), it is characterized in that, operating handle swinging transmission mechanism (2) comprises that the swing being arranged on shift shaft (1) connects spline (21), the swing connecting bar (22) of noose outside swing connecting spline (21) and first electric pushrod (23) hinged with the moment input end of swing connecting bar (22), operating handle movement and transmission mechanism (3) comprises the mobile shift fork (31) in the mobile link groove of fork-join on shift shaft (1), the mobile link (32) being connected with the moment input end of mobile shift fork (31) and the second electric pushrod (33) being connected with the moment input end of mobile link (32) by gear shift clip.
2. the auto-shifting device of automatic speed changer for machine according to claim 1, is characterized in that, the second electric pushrod (33) is fixedly connected on vehicle body by support (1).
3. the auto-shifting device of automatic speed changer for machine according to claim 1, it is characterized in that, described device also comprises gear detecting mechanism (4), gear detecting mechanism (4) comprises rack-mount linear hall element and is fixed on two sensitive switches at electromagnet upper shell top, for judging by the on off operating mode of two sensitive switches and the output voltage of linear hall element whether gear selecting action and gear shift action put in place, and current gear is identified.
4. the auto-shifting device of automatic speed changer for machine according to claim 1, it is characterized in that, described device also comprises clutch actuating mechanism (5), clutch actuating mechanism (5) comprises the 3rd electric pushrod (51), pulling force sensor (52) and the clutch cable (52) being fixed on support, the 3rd electric pushrod (51) is connected with clutch by clutch cable (53), and pulling force sensor (52) is arranged on clutch cable (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420119223.5U CN203743400U (en) | 2014-03-17 | 2014-03-17 | Automatic gear shifting device of automatic mechanical transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420119223.5U CN203743400U (en) | 2014-03-17 | 2014-03-17 | Automatic gear shifting device of automatic mechanical transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203743400U true CN203743400U (en) | 2014-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420119223.5U Expired - Fee Related CN203743400U (en) | 2014-03-17 | 2014-03-17 | Automatic gear shifting device of automatic mechanical transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203743400U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107101654A (en) * | 2016-02-19 | 2017-08-29 | 大众汽车有限公司 | For the apparatus and method for the gear for detecting speed changer |
| CN107345569A (en) * | 2017-08-21 | 2017-11-14 | 桂林科特机械有限责任公司 | The main variable-speed operating control mechanism of four-wheel tractor shaft transmission system gearbox |
| CN110630736A (en) * | 2019-10-11 | 2019-12-31 | 山东理工大学 | Automobile transmission gear shifting device based on electric push rod manipulator |
| CN110762199A (en) * | 2019-10-16 | 2020-02-07 | 山东理工大学 | Planar motion gear shifting device of electric push rod transmission |
-
2014
- 2014-03-17 CN CN201420119223.5U patent/CN203743400U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107101654A (en) * | 2016-02-19 | 2017-08-29 | 大众汽车有限公司 | For the apparatus and method for the gear for detecting speed changer |
| CN107345569A (en) * | 2017-08-21 | 2017-11-14 | 桂林科特机械有限责任公司 | The main variable-speed operating control mechanism of four-wheel tractor shaft transmission system gearbox |
| CN110630736A (en) * | 2019-10-11 | 2019-12-31 | 山东理工大学 | Automobile transmission gear shifting device based on electric push rod manipulator |
| CN110762199A (en) * | 2019-10-16 | 2020-02-07 | 山东理工大学 | Planar motion gear shifting device of electric push rod transmission |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20150317 |
|
| EXPY | Termination of patent right or utility model |