CN1400409A - N-step series 2 * gear structure simplified speed-changing device - Google Patents

N-step series 2 * gear structure simplified speed-changing device Download PDF

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Publication number
CN1400409A
CN1400409A CN 02135422 CN02135422A CN1400409A CN 1400409 A CN1400409 A CN 1400409A CN 02135422 CN02135422 CN 02135422 CN 02135422 A CN02135422 A CN 02135422A CN 1400409 A CN1400409 A CN 1400409A
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China
Prior art keywords
gear
speed change
level
speed
clutch
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Granted
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CN 02135422
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Chinese (zh)
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CN1177155C (en
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王玉鸿
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Priority to CNB021354227A priority Critical patent/CN1177155C/en
Publication of CN1400409A publication Critical patent/CN1400409A/en
Priority to PCT/CN2003/000595 priority patent/WO2004015302A1/en
Priority to AU2003257773A priority patent/AU2003257773A1/en
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Publication of CN1177155C publication Critical patent/CN1177155C/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/62—Gearings having three or more central gears
    • F16H3/66—Gearings having three or more central gears composed of a number of gear trains without drive passing from one train to another
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
    • F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
    • F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
    • F16H3/091—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears including a single countershaft
    • F16H3/0915—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears including a single countershaft with coaxial input and output shafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
    • F16H2003/0807—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with gear ratios in which the power is transferred by axially coupling idle gears
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/0043—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising four forward speeds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/006—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising eight forward speeds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/0065—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising nine forward speeds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
    • F16H2200/201—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with three sets of orbital gears

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structure Of Transmissions (AREA)

Abstract

The present invention provides a multistep series-connection speed changer, and is characterized by that the gears of speed changer are divided into several speed-changing steps, every step has one direct gear and speed-changing gear, 3 pairs of gears can be formed into two-step speed-change with 4 gears, 4 pairs of gears can be formed into three-step speed change with 8 gears and 5 pairs of gears can be formed into four-step speed change with 16 gears. Said invented multistep series-connection speed changer also can be formed from angle gears and epicyclic gears. As compared with existent similar products said invented product is simple.

Description

The n level is in series with 2 nThe speed changer that the shelves structure is simplified
Technical field
The invention belongs to the mechanical variable speed device technical field, a kind of improvement that is used for the mechanical transmission of vehicle and mechanical and power equipment of more clearly saying so.
Background technique
Existing gear-shift transmission has manual parallel axes speed changer and automaitc shfit planetary pinion transmission two classes.In two or three shaft transmissions, there generally have several forward gearss to have to be several to gear (disregarding reverse gear), and each has fixing gear ratio to gear, during gear shift, the optional a pair of speed change of carrying out from these gear mesh arranged side by side, all the other gears are all left unused and are not just participated in work in speed change.Have an axle to cog with axle in this mechanism and become one, another root splined shaft must retreat to neutral gear for carrier wheel or synchronizer shift usefulness earlier during gear shift, suspends power output, then could engage a gear, work on.Treat meshed gears centering, one is to link to each other with big rotor such as input shaft clutch driven disc, and inertia is bigger, and another gear is to link with output shaft and whole vehicle, and inertia is bigger.For avoiding the damage that is hit of teeth speed difference, engage with synchronizer or friction plate.The hand shift inconvenience influences the performance of vehicle, and in order to improve the performance of vehicle, current many torque converters that added before mechanical speed change adopt hydraulic controlled clutch or break to reach automaitc shfit, so that bring into play the performance of motor and vehicle better.
The automatic transmission that torque converter is arranged, its structure majority is the planetary pinion transmission, the input and output of planetary pinion transmission respectively have three approach to utilize, but are difficult to accomplish with regard to various suitable gear ratio are arranged in the one-level speed change.Existing automatic transmission mostly is fourth gear, and its gear shift control piece (two kinds on clutch, break) has 6-8 spare, structure more complicated.
Purpose of the present invention is to overcome above-mentioned shortcoming, provides a kind of available less gear and member to obtain more gear; Or when same number of gear was arranged, member reduces, and was simple in structure, and cost reduces; Thereby make the rotation speed change scope of gear shift front and back motor less, the n level that can more give full play to motor and vehicle operating performance is in series with 2 nThe speed changer that the shelves structure is simplified.
Summary of the invention
In order to achieve the above object, the present invention is installed in the gear on the above-mentioned axle by being installed in input shaft on the cabinet, jack shaft, output shaft, and the clutch that is installed between gear constitutes.Gear in the speed changer is divided into several speed change levels, each speed change level has 1: 1 not direct retaining and a gear of speed change, and n level speed change level has 2 nShelves, total gear ratio of every grade is the continued product of speed change levels at different levels.The gear ratio of each grade is arranged in a geometric progression, and its common ratio can be set as required.
Can be input shaft and output shaft on an axis, jack shaft is in parallel.Gear is not to be fixed on the axle, but is enclosed within on the axle according to the arrangement of diameter order, in each gear free wheel device is arranged, and makes than small gear and can rotate faster than gearwheel.Between the gear on input shaft and the output shaft, clutch is installed, can makes combination of two gears or separately rotation, the speed change or the non-speed change of a speed change level of each Clutch Control.N speed change level has 2 nThe speed change of individual gear, but but also speedup of reduction of speed will be adjusted the position of clutch and free wheel device during speedup.
Can be input shaft and output shaft on an axis, all gears are cone gear.The speed change of each speed change level of control or the clutch of non-speed change are installed between each gear on the input shaft.Jack shaft is vertical with input shaft, in that the gear that is meshed with each gear on the input shaft that is sleeved on according to diameter together is installed on the jack shaft, free wheel device is installed between the gear.Make the big gear of diameter can drive less gear, small gear can surmount the gearwheel rotation.Each clutch may command one-level speed change, n clutch is n speed change level, has 2 nIndividual shelves.
The power of speed changer can change direction output by jack shaft.
Also can output shaft perpendicular to jack shaft and input shaft, have differential mechanism on the output shaft, constitute one of advance 4 grades or 8 grades, neutral gear and the back axle that reverses gear arranged.
Can also input shaft and output shaft on an axis, all gears are cone gear.Each gear is sleeved on the output shaft by diameter on the output shaft.The clutch of the clutch of adjacent big or small two gears of may command is installed between each cone gear.Jack shaft is equipped with the gear that makes near input shaft and can drives apart from the free wheel device of input shaft gear far away perpendicular to input shaft between the gear of jack shaft.N speed change level has 2 nIndividual shelves.
Can also the speed change level be made of planetary pinion, every row planetary pinion becomes a speed change level.Speed changer has the output of reverse gear, neutral gear and forward gears.
The plural serial stage speed changer that the present invention proposes is that the gear in the speed changer is divided into several groups, and the gear of each group is formed a speed change level, has two grades, a direct high, and reduction of speed shelves are controlled by colligator.Power also will be through the second, the three through first order speed change ... speed change at different levels, the gear ratio that speed changer is every grade are the continued products of gear ratio at different levels.Every grade has two grades of speed change and non-speed changes, and the n level has 2 nIndividual different continued product, just 2 nThe gear ratio of individual shelves.2 grades of speed changes have 4 grades, and 3 grades have 8 grades, and 4 grades have 16 grades, and the n level has 2 nShelves increase by binary system, suitably select the gear ratio of speed change level then can obtain a geometrical progression that increases by geometric progression, and the gear ratio of speed change levels at different levels should be by r 1, r 2, r 4, r 8Sequence select for use, being subjected to gear tooth number to limit each parameter ratio can only be an approximate number.Three-step gear shift is selected r for use 1, r 2, r 4, r is the common ratio of speed changes at different levels herein, then three grades of speed change r all 1R 2R 4=r 7, be exactly a grade of speed change maximum, if three grades of not speed change, then r 0R 0R 0=1, Here it is directly keeps off.No matter at which shelves work, each speed change level all is to be in the work, rather than only participates in the work of shelves, so the speed changer of series multistage speed change can reduce gear and increase gear.
The plural serial stage speed changer can with cylindrical gears, cone gear or and planetary pinion form each have their own characteristics.The method that the present invention proposes can design the multi-speed transmission of different gear ratio easily, and structure is simplified more.Different needs applicable to different vehicle and various machinery.Not only reduction of speed can, speedup also can, during speedup power is got final product by input in the other direction and the position of adjusting clutch and free wheel device.After various types of embodiments are set forth in branch.
Description of drawings
The plural serial stage gearing actuator schematic diagram that Fig. 1 forms for cylindrical gears;
Fig. 2 has three grades of series connection of overdirve gear, 8 gear gearbox transmission principle figure;
Fig. 3 speedup with three grades the series connection 8 grades of speed change transmission principle figure;
Three grades of series connection speed changer drive mechanism schematic diagrams that Fig. 4 planet wheel is formed;
The plural serial stage gearing actuator schematic diagram that Fig. 5 forms for cone gear;
Fig. 6 is the worm's eye view of Fig. 5;
Fig. 7 has the cone gear plural serial stage speed changer transmission principle figure of overdirve gear;
The coaxial plural serial stage speed changer transmission principle figure that Fig. 8 forms for cone gear.
Embodiment
Do further explanation below in conjunction with specific embodiment and accompanying drawing thereof.Embodiment 1, sees Fig. 1.
The plural serial stage gearing actuator schematic diagram that Fig. 1 forms for cylindrical gears, input shaft 1 has fixed gear 4 among the figure, and output shaft 2 has gear 5,6,7, arranges by diameter, and gear 7 is fixed on the output shaft 2.A, B, C is a gear 4,5,6, clutch between 7, available castellated or friction disk type, gear 8 is arranged on the jack shaft 3,9,10,11, order is arranged by size, gear 11, be fixed on the axle 3, between each gear free wheel device is arranged, make small gear can surmount gearwheel, gearwheel can not surmount small gear, two gears were in conjunction with common rotation before and after clutch can make it, when decontroling two gears, the gear on the last gear engagement jack shaft, the gear that drives through free wheel device is engaged to back one gear again, obtained reduction of speed, two kinds of variations of each Clutch Control one-level speed change.Press the other Tooth Number Calculation of annotating of each gear of Fig. 1, first order gear ratio is 1.304, and the second level is 1.691, and the third level is 2.833 under the various combination that colligator A, B, C leave and close, and can get 8 different speed ratios of three-step gear shift continued product, is exactly 8 shelves: 1; 1.304; 1.691; 2.206; 2.833; 3.696; 4.792; 6.2.This common ratio of eight grades is near 1.3, this common ratio value, can optionally select, can select 2 grades of speed changes arbitrarily for use, 4 grades of speed changes or 5 grades of speed changes by this rule, this example is 3 grades 8 grades, during use, also can only use 6 grades 7 grades, power also can be by jack shaft 3 outputs, and not needing axle 2, reverse gear need add reverse gear in addition in this example.
Existing two or triple axle speed changer, 6 retainings are wanted 6 pairs of gears, 6 timing clutches, 8 grades only need 4 pairs of gears in this example, 3 clutches, simplification is a lot, and the speed change level is many more, and parts reduce many more.
During the jaw clutch gear shift, suspend power output, only suitable hand shift, power output then can not be interrupted in the friction disk clutch gear shift.The shelves number is many, every grade of gear ratio is just little, the engine speed change scope is little before and after the gear shift, and the combination of hydraulic frictional sheet, not only fast but also can relax the not steady of power running before and after the gear shift, be not definitely to require to save torque converter under the situation of smoothness of operation, but fuel saving improve Economy, help automatic speed changing, improve the vehicle operating performance.
Embodiment 2. sees Fig. 2.
Fig. 2 is for there being overdirve gear 8 gear gearbox transmission principle figure, and the third level is a raising speed, presses the other number of teeth of annotating of gear, and each grade velocity ratio is: 0.7576; 1; 1.296; 1.711; 2.143; 2.829; 3.667; 4.84.
Embodiment 3. sees Fig. 3.
Fig. 3 for speedup with 8 grades of speed change transmission principle figure, four of main shaft wheels, thickness reduces, enlarged diameter can screw thread be enclosed within behind the Bicycle on the propeller boss, connects with free wheel device (or the unidirectional teeth of pawl type) between these gears, makes gearwheel can drive small gear.Jack shaft is divided into three sections, and gear 9 and 10 respectively has two, and 8 and 9 is one section, 9 and 10,10 and 11 for other two sections, three sections axles are independent separately, disalignment is distributed on the positions different around the main shaft at regular intervals.Control the engagement or the disengagement of each minor axis gear and mainshaft gear, can change between gear speed change whether, thereby can get 8 grades of speedups, press the number of teeth of annotating among the figure, 8 grades of speed increasing ratios are: 1; 1.2; 1.44; 1.718; 2.069; 2.483; 2.98; 3.574.Power spurs maximum gear on the main shaft with chain, and by the minimum gear output of main shaft, as deduct the one-level speed change, and then becoming 4 grades, gear ratio should change on demand.
Free wheel device is respectively A, B, C between gear.
Embodiment 4. sees Fig. 5, Fig. 6.
The plural serial stage speed changer structure schematic diagram that Fig. 5 forms for bevel gear has gear 4,5,6,7 on the input shaft 1 among the figure.Gear 4 is fixed on the axle, clutch A, B, C are arranged between each gear, each gear diameter identical (in case of necessity also can be different), these gears are meshed with gear 8,9,10,11 on the jack shaft 3, jack shaft 3 is vertical with input shaft, between the gear 8,9,10,11 free wheel device is arranged, it is outer than gearwheel that the little internal layer gear of diameter can be surmounted.Coupling D can do direct high output with gear 7 engagements on the spline of output shaft 2, or does reverse gear output with gear 12 engagements, and mediating is neutral gear.As clutch A, B, C, all be separately the time, gear 4 can only driven gear 8, through free wheel device driven gear at different levels 9,10,11,7, through clutch D to output shaft 2.When clutch A, B, C all be in conjunction with the time gear 4,5,6,7 then, combine and rotate and directly output with speed.If the relieving that has among coupling A, B, the C, the combination that has then between two gears reduction of speed will be arranged before and after the clutch of decontroling, and the gear of combination is exactly a direct high, and therefore no speed change has 8 gear outputs behind three-step gear shift.By each grade of Tooth Number Calculation gear ratio among the figure be: 1; 1.238; 1.62; 2; 2.6; 3.22; 4.2; 5.2.Need overdirve gear to constitute by Fig. 7 mode, gear 8 and 9 fuses, and clutch A changes two-way function into, can combine with gear 4 or 5 respectively on the spline of input shaft 1.Can get 8 grades by the calculating of figure middle gear tooth number: 0.759; 1; 1.303; 1.714; 2.127; 2.8; 3.647; 4.8.
Output shaft 3 links the direction that can change power output with gear 11 in this example, also can use chain direct pull gear 8, and power is by output shaft 3 outputs, and this suitable Bicycles and Motorcycles speed change is used.Output shaft 2 can revolve around jack shaft 3 and turn 90 degrees or any one angle, shown in the image pattern 6, output shaft 2 is in the both sides of differential mechanism 13, gear 14,15 is enclosed within on the central siphon 16, clutch D can move on the feather key of central siphon 16 with gear 14 or gear 15 and combine, and reverse gear is arranged, forward gears or neutral gear, above or below such back axle can arbitrarily be placed on axle 3, and make opposite side have bigger space to select.
Embodiment 5. sees Fig. 8.
Fig. 8 is the structure principle chart of the coaxial plural serial stage speed changer of bevel gear composition.Input shaft 1 combines with gear 4 among the figure, output shaft 2 with axle 1 same axis, be with bevel gear 5,6,7 and 12, gear 8,9,10,11 is arranged on the jack shaft 3, gear 10 and 11 is an one, free wheel device allows gear 8 driven gear 9,10,11 successively, anti-order then can surmount, and between the gear 4,5,6,7,12 clutch A, B, C, D, E is arranged, be the clutch of friction disk type, clutch A, 4,5,6 combinations of B may command gear and separately.Press the gear tooth number of the annotating calculating of the other institute of Fig. 8 gear, can get 8 grades of gear ratio and be followed successively by: 0.714; 1; 1.4; 1.96; 2.75; 3.84; 5.4; 7.56.Clutch C, D make axle 2 engaging gears 6 or 7 export each grade that advance, and clutch E engages with gear 12 and then exports reverse gear, and reverse gear also has many grades.
This example radial dimension is big, can dwindle axial dimension, and jack shaft 3 can have 2-4 group, alleviating the load of teeth, and the entire mechanism size is reduced, and is suitable near engine flywheel and settles, and makes automatic transmission and uses.Controlling each clutch only needs 4 hydraulic pistons, simplifies a lot in 8 grades.
Embodiment 6. sees Fig. 4.
Among the figure three grades of series connection speed changers of planet wheel transmission principle figure.Indicate the number of teeth of gear rings at different levels and central gear among the figure.Wherein A, B, C, D are clutch, and G, H are free wheel device, and E, F are break.First order raising speed (promptly exceeding the speed limit 0.667), power exports center, the second level by clutch A, planet carrier input to by gear ring.When clutch A decontroled, free wheel device promptly directly drove gear ring output.The second level is imported by the center, planet carrier output, reduction of speed 2.25.When clutch B then rotates with central gear during in conjunction with gear ring and planet carrier jointly, do direct high and export the third level to.This moment, free wheel device H allowed just to change.When clutch B decontroled, free wheel device H braked gear ring.Center rest reduction of speed 2.25 exports the third level to.Third level gear ring is braked device E braking, and clutch C can be in conjunction with planet carrier and output shaft 2 outputting powers, reduction of speed 5.06.When break F braking planet carrier, power is oppositely exported through gear ring, clutch D to output shaft, and reduction of speed 4.06.When break E, F unclamp, all combinations of clutch C, D then are direct high output.No speed change.Three-step gear shift comprehensively can get 8 forward gearss: 0.667; 1; 1.5; 2.25; 3.375; 5.06; 7.59; 11.39.Reverse gear can have 2.7; 4.06; 6.09; 9.14.Gear shift sleeve and break 4 of totally 6 needs hydraulic pistons among this embodiment 6 can be only with 5 grades, 6 grades or 7 grades in the practicality.With prime and back level, prime changes raising speed 1.8 into as only, and promptly overdirve gear 0.556.Back level reduction of speed 3.24 then can get 4 grades: 0.556; 1; 1.8; 3.24; Reverse gear 2.24.This moment, the gear shifting hydraulic piston only needed 3.

Claims (7)

1. a n level is in series with 2 nThe speed changer that the shelves structure is simplified, it is by being installed in input shaft on the cabinet, jack shaft, output shaft, be installed in the gear on the above-mentioned axle, the clutch that is installed between gear constitutes, it is characterized in that the gear in the said speed changer is divided into several speed change levels, each speed change level has 1: 1 not direct retaining and a gear of speed change, n level speed change level has 2 nShelves, total gear ratio of every grade is the continued product of speed change levels at different levels, and the gear ratio of each grade is arranged in a geometric progression, and its common ratio can be set as required.
2. be in series with 2 according to the described n level of claim 1 nThe speed changer that the shelves structure is simplified, it is characterized in that said input shaft and output shaft on an axis, jack shaft is in parallel, gear is not to be fixed on the axle, but be enclosed within on the axle according to the arrangement of diameter order, be equipped with in the middle of each gear that make can be faster than the free wheel device of gearwheel rotation than small gear, the clutch that can make the combination of two gears or separately rotate is installed between the gear on input shaft and the output shaft, the speed change or the non-speed change of a speed change level of each Clutch Control, n speed change level has 2 nThe speed change of individual gear, but but also speedup of reduction of speed will be adjusted the position of clutch and free wheel device during speedup.
3. be in series with 2 according to the described n level of claim 1 nThe speed changer that the shelves structure is simplified, it is characterized in that said input shaft and output shaft on an axis, all gears are cone gear, the speed change of each speed change level of control or the clutch of non-speed change are installed between each gear on the input shaft, jack shaft is vertical with input shaft, the gear that is meshed with each gear on the input shaft that is sleeved on according to diameter together is being installed on the jack shaft, be equipped with between the gear and make the big gear of diameter can drive less gear and small gear can surmount the free wheel device of gearwheel rotation, each clutch may command one-level speed change, n clutch is n speed change level, has 2 nIndividual shelves.
4. be in series with 2 according to the described n level of claim 3 nThe speed changer that the shelves structure is simplified is characterized in that it is equipped with the jack shaft of the changed power outbound course different with the input shaft direction.
5. be in series with the speed changers that 2 grades of structures are simplified according to the described n level of claim 3, it is characterized in that output shaft perpendicular to jack shaft and input shaft, has differential mechanism on the output shaft, constitute one of advance 4 grades or 8 grades, neutral gear and the back axle that reverses gear are arranged.
6. be in series with 2 according to the described n level of claim 1 nThe speed changer that the shelves structure is simplified, it is characterized in that said input shaft and output shaft on an axis, all gears are cone gear, each gear is sleeved on the output shaft by diameter on the output shaft, the clutch of the clutch of adjacent big or small two gears of may command is installed between each cone gear, jack shaft is equipped with the gear that makes near input shaft and can drives apart from the free wheel device of input shaft gear far away perpendicular to input shaft between the gear of jack shaft, n speed change level has 2 nIndividual shelves.
7. be in series with 2 according to the described n level of claim 1 nThe speed changer that the shelves structure is simplified is characterized in that said speed change level is made of planetary pinion, and every row planetary pinion becomes a speed change level, and speed changer has the output of reverse gear, neutral gear and forward gears.
CNB021354227A 2002-08-13 2002-08-13 N-step series 2 * gear structure simplified speed-changing device Expired - Fee Related CN1177155C (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CNB021354227A CN1177155C (en) 2002-08-13 2002-08-13 N-step series 2 * gear structure simplified speed-changing device
PCT/CN2003/000595 WO2004015302A1 (en) 2002-08-13 2003-07-25 A SIMPLER N-STAGE TRANSMISSION CONNECTED IN SERIES WHICH HAS 2n-SPEED
AU2003257773A AU2003257773A1 (en) 2002-08-13 2003-07-25 A SIMPLER N-STAGE TRANSMISSION CONNECTED IN SERIES WHICH HAS 2n-SPEED

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB021354227A CN1177155C (en) 2002-08-13 2002-08-13 N-step series 2 * gear structure simplified speed-changing device

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Publication Number Publication Date
CN1400409A true CN1400409A (en) 2003-03-05
CN1177155C CN1177155C (en) 2004-11-24

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CN101290043B (en) * 2008-04-18 2010-06-02 魏家斌 Gear multilevel speed changer
CN101769365B (en) * 2009-10-23 2012-08-22 陈国庆 Planetary gearbox capable of directly shifting gears
CN103032527A (en) * 2012-12-27 2013-04-10 胥祥朋 Multiple-speed transmission device
CN105422751A (en) * 2015-12-21 2016-03-23 肖立峰 Swinging double-tooth-difference speed change device with bevel gears
WO2016165581A1 (en) * 2015-04-13 2016-10-20 南京康尼精密机械有限公司 Stepless variable transmission for differential speed-regulation planetary gears
CN106438950A (en) * 2016-11-29 2017-02-22 杭州市萧山区高级技工学校 Multi-unit collinear driving transmission
CN109356979A (en) * 2018-11-07 2019-02-19 柳州惠林科技有限责任公司 A kind of single clutch two-shift automatic variable speed device having reverse gear
CN110388424A (en) * 2019-07-31 2019-10-29 合肥工业大学 A kind of 16 gear transmissions based on the design of two grades of speed-variable moduleizations

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US8733521B2 (en) 2010-12-06 2014-05-27 Gm Global Technology Operations Apparatus for and method of controlling a dual clutch transmission
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CN1060517A (en) * 1990-10-10 1992-04-22 刘大刚 Freely arranged multi-selection speed variator
CN2175060Y (en) * 1993-07-03 1994-08-24 于俊贤 Worm adjusting-clearance speed reducer
CN2196210Y (en) * 1994-04-14 1995-05-03 叶志新 Three shaft double center six step vehicle speed reducer
CN2487591Y (en) * 2001-03-09 2002-04-24 王玉鸿 Small gear number multiple shifting gear handy variable speed gear
CN2468809Y (en) * 2001-03-11 2002-01-02 赖玉坤 Short secondary axle and multiple gearing type automobile speed changing arrangement

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101290043B (en) * 2008-04-18 2010-06-02 魏家斌 Gear multilevel speed changer
CN101769365B (en) * 2009-10-23 2012-08-22 陈国庆 Planetary gearbox capable of directly shifting gears
CN103032527A (en) * 2012-12-27 2013-04-10 胥祥朋 Multiple-speed transmission device
CN103032527B (en) * 2012-12-27 2016-11-16 胥祥朋 A kind of step-by-step variable speed transmission
WO2016165581A1 (en) * 2015-04-13 2016-10-20 南京康尼精密机械有限公司 Stepless variable transmission for differential speed-regulation planetary gears
CN105422751A (en) * 2015-12-21 2016-03-23 肖立峰 Swinging double-tooth-difference speed change device with bevel gears
CN106438950A (en) * 2016-11-29 2017-02-22 杭州市萧山区高级技工学校 Multi-unit collinear driving transmission
CN106438950B (en) * 2016-11-29 2020-07-03 杭州市萧山区高级技工学校 Multi-unit collinear transmission speed changer
CN109356979A (en) * 2018-11-07 2019-02-19 柳州惠林科技有限责任公司 A kind of single clutch two-shift automatic variable speed device having reverse gear
CN110388424A (en) * 2019-07-31 2019-10-29 合肥工业大学 A kind of 16 gear transmissions based on the design of two grades of speed-variable moduleizations

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AU2003257773A1 (en) 2004-02-25
CN1177155C (en) 2004-11-24

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