CN102042398B - Rotating shaft type automatic gear shifting mechanism for axis fixed transmission - Google Patents
Rotating shaft type automatic gear shifting mechanism for axis fixed transmission Download PDFInfo
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- CN102042398B CN102042398B CN 200910197358 CN200910197358A CN102042398B CN 102042398 B CN102042398 B CN 102042398B CN 200910197358 CN200910197358 CN 200910197358 CN 200910197358 A CN200910197358 A CN 200910197358A CN 102042398 B CN102042398 B CN 102042398B
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Abstract
The invention relates to a rotating shaft type automatic gear shifting mechanism for an axis fixed transmission. The mechanism comprises a motor, a speed reducing mechanism, a gear selecting and shifting shaft, a rotation or translation converting mechanism, a locking switching mechanism and a fixed base, wherein the motor is in rotary driving connection with the speed reducing mechanism; the speed reducing mechanism is in rotary driving connection with the rotation or translation converting mechanism and the locking switching mechanism respectively; and the gear selecting and shifting shaft has two degrees of freedom of translation and rotation and can be used for executing gear selecting operation and gear shifting operation respectively, the gear selecting and shifting shaft is in translation driving connection with the rotation or translation converting mechanism and in rotary driving connection with the locking switching mechanism, and the fixed base is connected with the locking switching mechanism. Compared with the prior art, the mechanism is a simple and practical single-motor operating mechanism, and has the advantages of simple structure and quick switching; and the reliability of the system is improved, and the cost is reduced.
Description
Technical field
The present invention relates to a kind of self-clanging gear-shift, especially relate to a kind of axis fixed speed changer revolution axis type self-clanging gear-shift.
Background technique
The fixed shaft type gear-shift transmission is a kind of very important vehicular transmission structural type, and the market occupancy volume is very big.The fixed shaft type gear-shift transmission has two kinds of different maneuverability patterns: the manual transmission of manual control and the AMT speed changer of being handled by hydraulic pressure or electrodynamic type operating mechanism.
The basic task of the operating mechanism of AMT is to finish gear selecting and two independently control actions of gear shift, for this reason, no matter is the servocontrol action that operating mechanism hydraulic pressure or electronic all will provide two degrees of freedom.For the electrodynamic type operating mechanism, realize the control action of two degrees of freedom, the prior art scheme is general to adopt two rotary drive motors to finish gear selecting action and gear shift action respectively.Also propose only to adopt a drive motor in the prior art, realize a drive motor timesharing manipulation gear selecting and gearshift mechanism by combined mechanism.But still there are problems such as the too complicated and general applicability of mechanism is bad in prior art.
The present invention is directed to the deficiency of existing operating mechanism, proposes a kind of simple suitable single motor operating mechanism, have simple in structurely, switch advantages such as rapid.
Summary of the invention
Purpose of the present invention be exactly provide in order to overcome the defective that above-mentioned prior art exists a kind of simple in structure, switch axis fixed speed changer revolution axis type self-clanging gear-shift rapidly.
Purpose of the present invention can be achieved through the following technical solutions:
A kind of axis fixed speed changer revolution axis type self-clanging gear-shift, it is characterized in that, this mechanism comprises motor, reducing gear, select shift shaft, rotation or translation switching mechanism, the locking switching mechanism, fixing support, described motor drives with the reducing gear rotation and is connected, described reducing gear drives with rotation or translation switching mechanism and the rotation of locking switching mechanism respectively and is connected, the described shift shaft that selects has translation and two degrees of freedom of rotation, can be respectively applied to carry out gear selecting and gear shift action, this selects shift shaft to be connected with rotation or translation switching mechanism translation driving, be connected with locking switching mechanism rotation driving, described fixedly support is connected with the locking switching mechanism.
Described reducing gear is turbine and worm decelerator.
The described shift shaft and reducing gear, rotation or translation switching mechanism and locking switching mechanism of selecting is configured to one.
Screw-nut body is adopted in described rotation or translation switching mechanism.
Described locking switching mechanism is controlled by the output of drive unit, has reducing gear rotation driving is delivered to first mode of operation of selecting shift shaft and will selects rotatablely moving of shift shaft second mode of operation fixed with support.
Described locking switching mechanism comprises and rotates lock tube, fixedly lock tube and sliding lock block, described rotation lock tube drives with the reducing gear rotation and is connected, described fixedly lock tube is connected with fixing support, described sliding lock block is connected with selecting shift shaft rotation driving, sliding lock block is realized optional by the lock dog driving device controls and is rotated lock tube and fixedly lock tube engagement, realizes first mode of operation and second mode of operation.
Compared with prior art, the present invention is the simple single motor operating mechanism that is suitable for, and has simple in structurely, switches advantages such as rapid.Because adopt single motor, can dwindle the size of operating mechanism, it is more flexible to make car load arrange.Simultaneously, the drive part of control unit also can share, can further improve like this system reliability, reduce cost.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural drawing among the embodiment.
Among the figure 1 for worm screw, 2 for turbine, 3 for selecting shift shaft, 4 to be the rotation lock tube for interior mesh splines, 10 for the fixed interior mesh splines of pedestal, 9 for fixing lock tube, 8 for spline, 7 for sliding lock block, 6 for outside thread, 5.
Embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
Embodiment
A kind of axis fixed speed changer revolution axis type self-clanging gear-shift, its structure as shown in Figure 1, this mechanism comprises motor, reducing gear, select shift shaft, rotation or translation switching mechanism, the locking switching mechanism, fixing support, motor drives with the reducing gear rotation and is connected, reducing gear is turbine and worm decelerator, drive with rotation or translation switching mechanism and the rotation of locking switching mechanism respectively and be connected, screw-nut body is adopted in rotation or translation switching mechanism, select shift shaft and reducing gear, rotation or translation switching mechanism and locking switching mechanism are configured to one, thereby the component of each mechanism are shared integrated this device of further simplifying, and have translation and rotate two degrees of freedom, can be respectively applied to carry out gear selecting and gear shift action, this selects shift shaft to be connected with rotation or translation switching mechanism translation driving, be connected with locking switching mechanism rotation driving, fixedly support is connected with the locking switching mechanism.The locking switching mechanism comprises and rotates lock tube, fixedly lock tube and sliding lock block, is controlled by the output of drive unit.Rotating lock tube is connected with reducing gear rotation driving, fixedly lock tube and support are fixed, sliding lock block is connected with selecting shift shaft rotation driving, sliding lock block is realized optional by the lock dog driving device controls and rotation lock tube and fixedly lock tube engagement, realizes that reducing gear is rotated driving to be delivered to first mode of operation of selecting shift shaft and will to select rotatablely moving of shift shaft second mode of operation fixed with support.
The concrete structure of this device as shown in Figure 2, comprise worm screw 1, turbine 2, select shift shaft 3, outside thread 4, sliding lock block 5, spline 6, fixedly fixed interior mesh splines 8, the interior mesh splines 9 of lock tube 7, pedestal, rotate lock tube 10.
Select shift shaft 3 to have along the translational degree of freedom of axis and two degrees of freedom of rotation of rotating around axis.Especially, cooperate with the reverse shift fork of speed changer, select the rotation of shift shaft 3 to be used for shift control, select the translation of shift shaft 3 to be used for the gear selecting manipulation.
Select to have integrated outside thread 4 on the shift shaft 3, the worm gear 2 band internal threads of reducing gear, the two coaxial assembling constitutes screw-nut body, can realize the conversion of rotation/translational motion.Like this, the drive motor rotation of transmitting through reducing gear drives output, can be converted to the translational motion that selects shift shaft 3.Especially, this translational motion can be realized the gear selecting control action expected.
Select to have integrated external splines 6 on the shift shaft 3 simultaneously, with the internal spline engagement on the sliding lock block 5.
Fixedly lock tube 7, rotation lock tube 10, sliding lock block 5 constitute the locking switching mechanisms jointly.The worm gear 2 that rotates lock tube 10 and reducing gear is configured to one, and having can be around the degrees of freedom that rotatablely moves of selecting shift shaft 3.Mesh splines 8 and 9 in fixedly lock tube 7, rotation lock tube 10 are constructed with respectively.Sliding lock block 5 is configured to have inside and outside mesh splines simultaneously.The external splines of sliding lock block 5 can controlledly mesh with one of internal spline 8 or 9, and then with fixedly lock tube 7 or rotation lock tube 10 are synchronous:
(1) with rotate lock tube 10 synchronously when (with internal spline 9 engagements), sliding lock block 5 with rotate lock tube 10(so that with turbine 2) rotation synchronously, translational motion is limited via external splines 6, lockable mechanism is in described first mode of operation.
When lockable mechanism was in first mode of operation, the rotation of motor output drove and selects shift shaft 3 via worm gear 1, worm screw 2, turning gear cover 10, locking slide block 5 successively.Under this mode of operation, the feed screw nut transmission is rotated synchronously by locking, and the translation gear selecting is moved by locking, selects shift shaft 3 only to have rotation gear shift function.
(2) with fixing lock tube 7 synchronously when (with internal spline 8 engagements), sliding lock block 5 is by locking, and then selects shift shaft 3 and support fixed, and it rotatablely moves and is limited via external splines 6, and lockable mechanism is in described second mode of operation.
When lockable mechanism was in second mode of operation, the rotation of motor output drives via worm gear 1, worm screw 2, feed screw nut transmission successively selected shift shaft 3 to do translational motion.Select rotatablely moving of shift shaft 3 fixed by locking slide block 5, support.Therefore, select shift shaft 3 only to have the action of translation gear selecting.
Claims (5)
1. axis fixed speed changer revolution axis type self-clanging gear-shift, it is characterized in that, this mechanism comprises motor, reducing gear, select shift shaft, rotation or translation switching mechanism, the locking switching mechanism, fixing support, described motor drives with the reducing gear rotation and is connected, described reducing gear drives with rotation or translation switching mechanism and the rotation of locking switching mechanism respectively and is connected, the described shift shaft that selects has translation and two degrees of freedom of rotation, can be respectively applied to carry out gear selecting and gear shift action, this selects shift shaft to be connected with rotation or translation switching mechanism translation driving, be connected with locking switching mechanism rotation driving, described fixedly support is connected with the locking switching mechanism;
Described locking switching mechanism comprises and rotates lock tube, fixedly lock tube and sliding lock block, described rotation lock tube drives with the reducing gear rotation and is connected, described fixedly lock tube is connected with fixing support, described sliding lock block is connected with selecting shift shaft rotation driving, sliding lock block is realized optional by the lock dog driving device controls and is rotated lock tube and fixedly lock tube engagement, realizes first mode of operation and second mode of operation.。
2. a kind of axis fixed speed changer revolution axis type self-clanging gear-shift according to claim 1 is characterized in that described reducing gear is turbine and worm decelerator.
3. a kind of axis fixed speed changer revolution axis type self-clanging gear-shift according to claim 1 is characterized in that, the described shift shaft and reducing gear, rotation or translation switching mechanism and locking switching mechanism of selecting is configured to one.
4. a kind of axis fixed speed changer revolution axis type self-clanging gear-shift according to claim 1 is characterized in that, screw-nut body is adopted in described rotation or translation switching mechanism.
5. a kind of axis fixed speed changer revolution axis type self-clanging gear-shift according to claim 1, it is characterized in that, described locking switching mechanism is controlled by the output of drive unit, has reducing gear rotation driving is delivered to first mode of operation of selecting shift shaft and will selects rotatablely moving of shift shaft second mode of operation fixed with support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910197358 CN102042398B (en) | 2009-10-19 | 2009-10-19 | Rotating shaft type automatic gear shifting mechanism for axis fixed transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910197358 CN102042398B (en) | 2009-10-19 | 2009-10-19 | Rotating shaft type automatic gear shifting mechanism for axis fixed transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102042398A CN102042398A (en) | 2011-05-04 |
| CN102042398B true CN102042398B (en) | 2013-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910197358 Expired - Fee Related CN102042398B (en) | 2009-10-19 | 2009-10-19 | Rotating shaft type automatic gear shifting mechanism for axis fixed transmission |
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| CN (1) | CN102042398B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966733B (en) * | 2012-11-05 | 2015-11-18 | 重庆青山工业有限责任公司 | A kind of AMT speed variator gear shift mechanism interlock system |
| RU2756328C1 (en) * | 2020-12-14 | 2021-09-29 | Федеральное государственное казенное военное образовательное учреждение высшего образования "Военный учебно-научный центр Военно-воздушных сил "Военно-воздушная академия имени профессора Н.Е. Жуковского и Ю.А. Гагарина" (г. Воронеж) Министерства обороны Российской Федерации | Straight-running executive electromechanism |
| CN113332134A (en) * | 2021-04-26 | 2021-09-03 | 李华文 | Multifunctional integrated moxibustion instrument |
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2009
- 2009-10-19 CN CN 200910197358 patent/CN102042398B/en not_active Expired - Fee Related
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| CN102042398A (en) | 2011-05-04 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20181019 |