CN102720829B - Automatic mechanical transmission - Google Patents
Automatic mechanical transmission Download PDFInfo
- Publication number
- CN102720829B CN102720829B CN201210201577.XA CN201210201577A CN102720829B CN 102720829 B CN102720829 B CN 102720829B CN 201210201577 A CN201210201577 A CN 201210201577A CN 102720829 B CN102720829 B CN 102720829B
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- clutch
- power
- output member
- power output
- transmission
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- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
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Abstract
The invention discloses a kind of automatic mechanical transmission, power input by centrifugal clutch by transmission of power to power output member, centrifugal clutch power output member rotating speed lower than or clutch for the separated of power input and power output member or transmit fast shelves power when reaching setting value; Power input also by slow shelves transmitting assemblies by slow shelves power so that power output member can be passed to by the mode that fast shelves surmount; The present invention, when power output member rotating speed reaches setting value, utilizes its rotating speed to make centrifugal clutch engagement driving, thus top gear transmission; And when resistance is larger, because power output member rotating speed reduces, centrifugal clutch is separated and bottom gear transmission, thus, the present invention at the starting of vehicle level land, descending or the setting starting gear automatically of starting to walk that goes up a slope, and has direct feature in time, changes rapidly to top gear when the running resistances such as level land starting are less, thus, there is good energy conservation and consumption reduction effects.
Description
Technical field
The present invention relates to a kind of speed changer, particularly a kind of automatic mechanical transmission.
Background technique
Speed changer is the necessaries of the vehicles such as automobile, includes hand gear and automatic speed changing; Automatic transmission, due to simple to operate, have stronger travelling comfort and is generally used.In prior art, no matter be automatic transmission or manual transmission, be and add to top gear gradually from bottom gear, level land starting and hillside fields starting can not be adapted to for required torque size, thus can have obvious adverse effect to oil consumption.Further, what existing automatic transmission was more depends on automatically controlled speed change, have poor sensitivity and working life short shortcoming.Although there is the speed changer structure utilizing Electronic control can start to walk from mid ranger according to above-mentioned defect, but due to automatically controlled shortcoming inherently, namely to the dependence that testing signal is too much, flexible gear shift can not be carried out in time, directly, still not have obvious effect to energy-saving and cost-reducing.
Therefore, need a kind of automatic transmission, automatically speed change can be carried out according to running resistance, and according to level land starting or hillside fields starting setting starting gear automatically, and there is direct feature in time, change rapidly to top gear when the running resistances such as level land starting are less, thus, there is good energy conservation and consumption reduction effects.
Summary of the invention
In view of this, the object of this invention is to provide a kind of automatic mechanical transmission, automatically speed change can be carried out according to running resistance, and according to level land starting or hillside fields starting setting starting gear automatically, and there is direct feature in time, change rapidly to top gear when the running resistances such as level land starting are less, thus, there is good energy conservation and consumption reduction effects.
Automatic mechanical transmission of the present invention, comprise power input, slow shelves transmitting assemblies, centrifugal clutch and power output member, described power input by centrifugal clutch by transmission of power to power output member, described centrifugal clutch power output member rotating speed lower than or disconnect or the fast shelves power of plasmid conjugation for being separated between power input and power output member when reaching setting value; Described power input also by slow shelves transmitting assemblies by slow shelves power so that power output member can be passed to by the mode that fast shelves surmount.
Further, also comprise torque clutch, described torque clutch reaches when the moment of torsion of power input or disconnects or the fast shelves power of plasmid conjugation for being separated between power input and power output member lower than during setting value;
Further, also comprise planetary gear train, described planetary gear train to coordinate with power input transmission as slow its sun gear of shelves transmitting assemblies and for inputting slow shelves power, the planet carrier of planetary gear train coordinates with power output member transmission, and the mode that the ring gear of planetary gear train surmounts counteresteer with forward is arranged;
Further, described torque clutch comprises clutch outer ring, clutch inner ring and clutch block assembly, described clutch outer ring coordinates with power input transmission, clutch block assembly comprise clutch block and by clutch block to be articulated with the hinging shaft of clutch outer ring in the mode of transmission Plane Rotation, inner side surface and the cylindrical of clutch inner ring of described clutch block join be incorporated in a pretightening force effect under formed and engage, clutch inner ring is the circumferential cam structure that cylindrical is provided with boss, described boss is used for clutch block guiding, clutch block being swung, described clutch inner ring coordinates with the planet carrier transmission of planetary gear train,
Further, the mode that the ring gear of planetary gear train surmounts counteresteer with forward is arranged at a free wheel device, the inner ring of described free wheel device and the ring gear of planetary gear train are in circumferencial direction secure fit, and the outer ring of clutch controls locking or separation by a ratchet assembly;
Further, the power intake of described centrifugal clutch coordinates with power input transmission, the clutch end of centrifugal clutch is coordinated with power output member transmission by a rotary end cover, and the power intake of centrifugal clutch and power input all form tubular structure and jointly form rotation case with rotary end cover.
The invention has the beneficial effects as follows: automatic mechanical transmission of the present invention, centrifugal clutch is adopted to switch the structure of low speed and high gear, when power output member rotating speed reaches setting value, its rotating speed is utilized to make centrifugal clutch engagement driving, thus top gear transmission; And when resistance is larger, because power output member rotating speed reduces, centrifugal clutch is separated and bottom gear transmission, thus, the present invention can carry out speed change automatically according to running resistance, and according to the facilities of top gear, level land starting, descending or the starting setting starting gear automatically that goes up a slope, there is direct feature in time compared with automatically controlled gearshift, thus, there is good oil-saving effect, change rapidly to top gear when the running resistances such as level land starting are less, avoid the shortcoming that the complex structure existing for automatically controlled gearshift, delay of response and cost are higher.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is structural representation of the present invention;
Fig. 2 is torque clutch structural representation of the present invention.
Embodiment
Fig. 1 is structural representation of the present invention, Fig. 2 is torque clutch structural representation of the present invention, as shown in the figure: the automatic mechanical transmission of the present embodiment, comprise power input 8, slow shelves transmitting assemblies, centrifugal clutch 13 and power output member 1, described power input 8 passes through centrifugal clutch 13 by transmission of power to power output member 1, described centrifugal clutch 13 power output member 1 rotating speed lower than or when reaching setting value for clutch disconnection between power input 8 and power output member 1 or the fast shelves power of plasmid conjugation, form first fast grade of transfer route, described power input 8 also by slow shelves transmitting assemblies by slow shelves power so that power output member 1 can be passed to by the mode that fast shelves surmount, centrifugal clutch 13 carries out the structure of clutch for the radial force mental and physical efforts utilizing rotating speed to produce, and rotating speed reaches setting value, and this clutch engages, lower than setting value, this clutch separation, concrete structure is shown in Chinese patent ZL200710129324.5, and name is called: a kind of Weight type clutch, belong to prior art, do not repeat them here, certainly, centrifugal clutch also has other existing structure, for the present invention, all goal of the invention can be realized, when slow shelves power is also referred to fast shelves transmission with the structure that can be passed to power output member by the mode that fast shelves surmount by slow shelves transmitting assemblies by described power input, slow shelves transfer chain is surmounted, the concrete transmission process of this structure is, when power output member rotating speed reaches setting value, centrifugal clutch engages and fast shelves transmission, when centrifugal clutch 13 is separated, and slow shelves transmission.
In the present embodiment, also comprise torque clutch, described torque clutch reaches when the moment of torsion of power input 8 or disconnects or the fast shelves power of plasmid conjugation for being separated between power input 8 and power output member 1 lower than during setting value, forms second fast grade of transfer route; Torque clutch is that shelves moment of torsion exceedes setting value separation, lower than the structure that setting value engages, for another fast shelves transfer route, for level land starting or descending starting do not need comparatively high pulling torque time engage and realize the starting of mild fast shelves, when go up a slope starting or operator are with larger moment of torsion starting, then torque clutch due to input torque excessive and be separated and realize the starting of slow shelves; When after fast shelves starting, power output member reaches setting speed, and torque clutch is separated, and centrifugal clutch engages; Certainly, now torque clutch is separable, and system passes through normal fast shelves route transferring power, normal vehicle operation; Or torque setting value is higher, torque clutch be not separated and with normal fast shelves Synchronous Transmission; Above-mentioned running, owing to adopting mild fast shelves starting, is avoided the high oil consumption of poor efficiency of slow shelves starting-up process, is effectively reduced oil consumption.
In the present embodiment, also comprise planetary gear train, described planetary gear train to coordinate with power input 8 transmission as its sun gear 18 of slow shelves transmitting assemblies and for inputting slow shelves power, the planet carrier 22 of planetary gear train coordinates with power output member 1 transmission, and the mode that the ring gear 14 of planetary gear train surmounts counteresteer with forward is arranged; Planetary gear train adopts the structure of prior art, does not repeat them here; Oppositely refer to the direction opposing with power output member sense of rotation, here opposing comprises direction contrary with the outbound course of power output member in Transmitted chains, counteresteer can ensure that planetary gear train is as slow shelves transmission, forward surmounts can make fast shelves by the smooth and easy transmission of planet carrier, simultaneously, when fast shelves start to walk also transmission, between ring gear and planet wheel, nothing relatively rotates, form nothing Transmitted chains in relative rotation, power is namely avoided to flog a dead horse, further reduction energy ezpenditure, reaches the effect of fuel-economizing or other energy.
In the present embodiment, described torque clutch comprises clutch outer ring, clutch inner ring 10 and clutch block assembly, and described clutch outer ring coordinates with power input transmission, as shown in the figure, clutch outer ring and power input make one, save manufacture cost, and make speed changer structure compact, clutch block assembly comprise clutch block 7 and by clutch block to be articulated with the hinging shaft 6 of clutch outer ring in the mode of transmission Plane Rotation, inner side surface and the cylindrical of clutch inner ring 10 of described clutch block 7 join be incorporated in a pretightening force effect under formed and engage, the inner side surface of clutch block 7 refers to radially-inwardly corresponding with the cylindrical of inner ring side, as shown in the figure, this pretightening force is applied by spring 21, and spring 21 one end connects clutch block, and the other end connects clutch outer ring or hinging shaft 6, and applies to clutch block 7 pulling force that there is radially-inwardly component, clutch inner ring 10 is provided with the circumferential cam structure of boss 20 for cylindrical, and described boss 20 is for making clutch block swing to clutch block 7 guiding, and the side that this boss 20 is corresponding with clutch block 7 is inclined-plane, and the moving direction of clutch block 7 refers to the transmission direction of clutch outer ring, described clutch inner ring 10 coordinates with planet carrier 22 transmission of planetary gear train, as shown in the figure, clutch inner ring 10 can be fixedly connected with planet carrier 22, even can be made into one, all can realize goal of the invention, as shown in the figure, power input 8 coordinates with the transmission of clutch outer ring, existing any Placement that can realize can be adopted, higher rotating speed is reached when the power input short period, namely high pulling torque exports, then clutch outer ring runs up instantaneously, the relative inner ring of clutch block advances and radially outward opens under the effect of boss, due to the existence of boss, make clutch block rapid response being separated with mating face in high pulling torque situation, namely be disengaged with inner ring cylindrical, and keep being separated under the effect of outer ring centrifugal force, and when lower moment of torsion, clutch block and inner ring cylindrical keep engaging, realize the starting of fast shelves and transmission, when power input moment of torsion and rotating speed reach setting value, according to the rotating speed of power output member, automatically switch to the fast shelves transmission of centrifugal clutch or slow shelves transmission, the function of said structure and realization thereof is beneficial to power equipment and the transmission systems such as protection motor, saves user cost.
In the present embodiment, the mode that the ring gear 14 of planetary gear train surmounts counteresteer with forward is arranged at a free wheel device, the inner ring 12 of described free wheel device and the ring gear 14 of planetary gear train, in circumferencial direction secure fit, can adopt existing mechanical connection manner, or make one; The outer ring 9 of clutch controls locking or separation by a ratchet assembly; Free wheel device is utilized to realize surmounting and locking, simple and compact for structure, and transmission is smooth and easy, and cost is lower; As shown in the figure, ratchet assembly comprises ratchet 3 and ratchet 4, and ratchet 3 is fixedly connected with at circumferencial direction by spline with ratchet with the outer ring 9 of clutch with super, certainly also can adopt integrated mode, normally can run after utilizing ratchet 4 locking, after ratchet 4 discharges ratchet 3, the actions such as reversing can be realized.
In the present embodiment, the power intake 11 of described centrifugal clutch 13 coordinates with power input 8 transmission, and the clutch end of centrifugal clutch 13 is coordinated with power output member 1 transmission by a rotary end cover 17, and reasonable Arrangement also has good integrity; In the utility model, the power intake of centrifugal clutch 13 and power input 8 all form tubular structure and jointly form rotation case with rotary end cover, it be speed changer entirety is rotational structure that the parts of this speed changer are all positioned at this rotation case, reduces running resistance further, reduces oil consumption.
The present invention is operationally:
1, normal slow starting power path: power input-clutch inner ring-planet carrier-power output member, realizes the starting of fast shelves;
Power output member reaches setting speed, and centrifugal clutch engages, now power transmission line: power input-centrifugal free wheel device---power output member;
When power input rotating speed reaches setting value, torque clutch is separated;
Meanwhile, power is also through following route: power input-sun gear-planet wheel-ring gear-free wheel device inner ring also surmounts;
From above transfer route, in whole fast gear transfer route, drive line synchronous axial system, the sun gear namely in planetary gear train, planet wheel, ring gear synchronous axial system, do not have relative movement, effectively improve transmission efficiency, reduces power consumption.
2, abrupt slope starting or input torque strengthen suddenly, and torque clutch is separated, and power transmission line is:
Power input-sun gear---planet carrier---power output member, realizes the starting of slow shelves;
After starting, power output member rotating speed reaches setting value, then centrifugal clutch engages, and realizes fast shelves and runs.
The present embodiment has two fast shelves routes, article one, route is by centrifugal free wheel device, article one, route passes through torque clutch, and torque clutch is used for mild starting or motor or the brisk operation of the motor slow-speed of revolution, thus directly can start to walk from fast shelves, reach the object of low consumption, low noise, there is good stationarity and newly comfortable.
In the present embodiment, power input can adopt sprocket wheel, gear or belt pulley according to the difference of input mode; Power output member generally adopts pto＝power take-off, and associated components is all supported in pto＝power take-off, certainly, need adopt necessary bearing and key, to ensure normal transmission, transmission and the Placement of this structure belong to prior art, in figure, existing sign, does not repeat them here; The transmission cooperation of all parts can adopt existing mechanical connection manner to realize, or straight forming is integrated, and all can realize object, and these linkage structures all belongs to prior art, does not repeat them here.
What finally illustrate is, above embodiment is only in order to illustrate technological scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technological scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (3)
1. an automatic mechanical transmission, it is characterized in that: comprise power input, slow shelves transmitting assemblies, centrifugal clutch and power output member, described power input by centrifugal clutch by transmission of power to power output member, described centrifugal clutch is separated lower than being used for during setting value at the rotating speed of power output member between power input and power output member, and when the rotating speed of power output member reaches setting value for engaging between power input and power output member; Described power input also by slow shelves transmitting assemblies by slow shelves power so that power output member can be passed to by the mode that fast shelves surmount;
Also comprise torque clutch, described torque clutch when the moment of torsion of power input reaches setting value for being separated between power input and power output member, and power input moment of torsion lower than during setting value be used for engage between power input and power output member; Also comprise planetary gear train, described planetary gear train to coordinate with power input transmission as slow its sun gear of shelves transmitting assemblies and for inputting slow shelves power, the planet carrier of planetary gear train coordinates with power output member transmission, and the mode that the ring gear of planetary gear train surmounts counteresteer with forward is arranged;
Described torque clutch comprises clutch outer ring, clutch inner ring and clutch block assembly, described clutch outer ring coordinates with power input transmission, clutch block assembly comprise clutch block and by clutch block to be articulated with the hinging shaft of clutch outer ring in the mode of transmission Plane Rotation, inner side surface and the cylindrical of clutch inner ring of described clutch block join be incorporated in a pretightening force effect under formed and engage, clutch inner ring is the circumferential cam structure that cylindrical is provided with boss, described boss is used for clutch block guiding, clutch block being swung, and described clutch inner ring coordinates with the planet carrier transmission of planetary gear train.
2. automatic mechanical transmission according to claim 1, it is characterized in that: the mode that the ring gear of planetary gear train surmounts counteresteer with forward is arranged at a free wheel device, the inner ring of described free wheel device and the ring gear of planetary gear train are in circumferencial direction secure fit, and the outer ring of free wheel device controls locking or separation by a ratchet assembly.
3. automatic mechanical transmission according to claim 2, it is characterized in that: the power intake of described centrifugal clutch coordinates with power input transmission, the clutch end of centrifugal clutch is coordinated with power output member transmission by a rotary end cover, and the power intake of centrifugal clutch and power input all form tubular structure and jointly form rotation case with rotary end cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210201577.XA CN102720829B (en) | 2012-06-18 | 2012-06-18 | Automatic mechanical transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210201577.XA CN102720829B (en) | 2012-06-18 | 2012-06-18 | Automatic mechanical transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102720829A CN102720829A (en) | 2012-10-10 |
| CN102720829B true CN102720829B (en) | 2015-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210201577.XA Expired - Fee Related CN102720829B (en) | 2012-06-18 | 2012-06-18 | Automatic mechanical transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102720829B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105628401B (en) * | 2016-03-26 | 2018-04-17 | 吉林大学 | Brake instrument determines the mechanical speed-controlling device of rotating speed calibration |
| CN110645325A (en) * | 2018-06-27 | 2020-01-03 | 重庆交通大学 | Manual single row planetary gear transmission |
| CN110293833A (en) * | 2019-07-11 | 2019-10-01 | 宿州市鑫尧健康科技有限公司 | A kind of mixed power plant |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4813299A (en) * | 1979-10-26 | 1989-03-21 | Honda Giken Kogyo Kabushiki Kaishi | Automatic transmission |
| US4854192A (en) * | 1987-11-18 | 1989-08-08 | Borg-Warner Automotive, Inc. | Centrifugally controlled two-speed accessory drive |
| US6165096A (en) * | 1999-03-12 | 2000-12-26 | Ingersoll-Rand Company | Self-shifting transmission apparatus |
| CN2744898Y (en) * | 2004-12-03 | 2005-12-07 | 茂名学院 | Speed changeable automatic transmission |
| CN101960173A (en) * | 2008-02-27 | 2011-01-26 | 盖茨公司 | Planetary transmission |
| CN102345687A (en) * | 2010-07-22 | 2012-02-08 | 杨泰和 | Clutch actuation via initial torque limited slip damping |
| CN202768813U (en) * | 2012-06-18 | 2013-03-06 | 黄兆焕 | Mechanical automatic transmission |
-
2012
- 2012-06-18 CN CN201210201577.XA patent/CN102720829B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4813299A (en) * | 1979-10-26 | 1989-03-21 | Honda Giken Kogyo Kabushiki Kaishi | Automatic transmission |
| US4854192A (en) * | 1987-11-18 | 1989-08-08 | Borg-Warner Automotive, Inc. | Centrifugally controlled two-speed accessory drive |
| US6165096A (en) * | 1999-03-12 | 2000-12-26 | Ingersoll-Rand Company | Self-shifting transmission apparatus |
| CN2744898Y (en) * | 2004-12-03 | 2005-12-07 | 茂名学院 | Speed changeable automatic transmission |
| CN101960173A (en) * | 2008-02-27 | 2011-01-26 | 盖茨公司 | Planetary transmission |
| CN102345687A (en) * | 2010-07-22 | 2012-02-08 | 杨泰和 | Clutch actuation via initial torque limited slip damping |
| CN202768813U (en) * | 2012-06-18 | 2013-03-06 | 黄兆焕 | Mechanical automatic transmission |
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| Publication number | Publication date |
|---|---|
| CN102720829A (en) | 2012-10-10 |
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Granted publication date: 20150729 Termination date: 20160618 |