CN2802192Y

CN2802192Y - Gear stepless speed changer

Info

Publication number: CN2802192Y
Application number: CN 200520091112
Authority: CN
Inventors: 杨玉申; 杨丽丽
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-06-06
Filing date: 2005-06-06
Publication date: 2006-08-02
Anticipated expiration: 2015-06-06

Abstract

A gear stepless speed changer comprises a shell, a rotation mechanism and a speed limitation mechanism. The rotation mechanism comprises an input axle equipped with a rotating shell which has a planetary gear set inside. The utility model is characterized in that the speed limitation mechanism comprises an output axle equipped with a planetary gear set and a magnetic control installation controlling the rotary speed of the output shaft. The utility model is reasonable and superior; the activity of it is stable, safe, and reliable; it provides a gear stepless speed changer which is suitable to the light and overloading type vehicle; can be used for the multi-actuation; doesn't need the clutch and the threshold operating rod (can be controlled with the throttle integrally); has big transmission power and the velocity ratio and wide the regulating range; can always run with uniform speed or changed speed from the idle speed starting to the simultaneous of the input shaft and output shaft until beyond the rotary speed of the input shaft; has fast toggle speed and steady acceleration; can run with holding any constant velocity with self control. It is a stepless speed changer suitable to be applied to the territories widely such as vehicles, ships or even rail traction locomotives, also the robot transmission and industry, and other territories.

Description

Gear stepless speed variator

(1) technical field

The utility model relates to stepless speed variator, particularly relates to a kind of automobile-used gear stepless speed variator.

(2) background technique

Vehicular field: stepless speed variator system is crucial to automobile, it not only can make motor car engine remain peak efficiency under various industrial conditions, and can make motor car engine reduce oil consumption rate, and reduce the toxic gas in the discharging waste gas, avoid producing atmospheric pollution.From V-arrangement rubber tape CVT to V-type metal tape CVT again to roller rotation plate type CVT, the research of friction driving CVT has continued a whole century, although the development of friction transmision stepless speed-variator has reached very high level, but speed-changing gear box is still in occupation of the half of the country, and gear stepless speed variator is only the higher purpose of the mankind.Yet up to the present, these stepless speed variator systems with market competitiveness only are on light-duty car in the world, and this can't but be scarce shaking to developing of automobile industry.Existing stepless speed variator preferably then is two groups of speed change wheel discs and the stepless speed variator that driving belt is formed, thereby realizes omnidistance stepless change.But driving belt damages easily, can't bear bigger load, acceleration performance still need improve, fuel oil still needs economization, handle and still need simplify, for this reason, I had once applied for patent of invention " gear stepless speed variator " on March 31st, 2005 to State Intellectual Property Office, and application number is 200510046142.2, this patent of invention working stability, safe and reliable, can start to walk from idling, to input shaft, output shaft is synchronously until exceeding evenly speed of input shaft rotating speed, changed speed operation, toggle speed is fast, quicken steadily also can oneself's control keep any operate at constant speed, its deficiency is a consumptive material, rotating speed control ability to output shaft is not strong, still has necessity of improvement.

(3) summary of the invention

The purpose of this utility model provides and a kind ofly is applicable to light, heavy-load type vehicle, need not clutch, transmission power is big, transmission speed ratio is big, speed-regulating range width, can be from the idling even synchronously changed speed operation of input output of starting to walk, toggle speed is fast, quicken steadily and can oneself's control keep the gear stepless speed variator of any operate at constant speed.

The technological scheme that adopts is:

Gear stepless speed variator, comprise shell, rotating machinery, speed limiting mechanism, described rotating machinery, comprise input shaft, the rotary shell of dress planetary gear set in being equiped with on the input shaft, it is characterized in that described speed limiting mechanism, comprise output shaft, be equiped with the magnetic force control gear of planetary gear set and control output shaft rotating speed on the output shaft.

Above-mentioned planetary gear set, comprise the speed limit central gear, the speed limit planetary pinion, the speed limit planetary annular, planet pin, gingival cyst of mucous gland in the newborn pole plate planet carrier, described speed limit central gear is installed on the output shaft, described output shaft is rotationally connected by bearing and described gingival cyst of mucous gland in the newborn pole plate planet carrier, be fixed with a plurality of planet pins on the same circumference of gingival cyst of mucous gland in the newborn pole plate planet carrier, a speed limit planetary pinion all is rotationally connected on each planet pin, described speed limit planetary pinion respectively with the engagement of the internal tooth of described speed limit central gear and described speed limit planetary ring gear, the speed limit planetary annular is fixedlyed connected with described rotary shell.

Above-mentioned magnetic force control gear, comprise magnet, swivel mount and linkage mechanism, described magnet swivel mount is connected with described output shaft spline, described linkage mechanism comprises control arm, pull bar, and the end cap via hole of described pull bar and described shell is slidingly connected, described pull bar is connected with described control arm axle, and described control arm is connected with magnet swivel mount inner bearing sleeve.

Above-mentioned magnetic force control gear comprises swivel mount, iron core, coil, slip ring, carbon brush, carbon brush holder, described swivel mount is installed on the output shaft, the a plurality of iron cores that are wound with coil of swivel mount top fixed installation, described slip ring is fixedly mounted on the swivel mount, and be electrically connected with coil, described carbon brush holder is fixedly connected on the end cap of shell, and described carbon brush is installed on the carbon brush holder, and be connected with power supply by lead, carbon brush is connected with the slip ring friction.

Working principle

Under loading condition, multistage planet drive mechanism on the input shaft makes rotary shell backward rotation state, the output shaft rotating speed is zero, be idling mode, by of the variation of pull bar control swivel mount, rotary shell is slowed to by backward rotation stop to accelerating rotation in the same way gradually with the variation of magnetic force driven rotary housing of gingival cyst of mucous gland in the newborn pole plate planet carrier.Changed the output shaft rotating speed.

The utility model is rationally superior.Working stability is safe and reliable, provide a kind of applicable to gently, the heavy-load type vehicle, can be used for drive more, need not clutch, need not gear operating lever (can control) with the throttle one, transmission power is big, transmission speed ratio is big, simple in structure, easily processing, volume is little, cost is low, precise control, stable drive, noise is low, fuel-economizing, environmental protection, speed-regulating range width, can be from the idling input shaft of starting to walk, output shaft synchronously all can be at the uniform velocity until exceeding the input shaft rotating speed, changed speed operation, toggle speed is fast, quicken steadily also can the oneself control the gear stepless speed variator that keeps any operate at constant speed.Be suitable for vehicle, boats and ships and even railway traction locomotive, robot transmission, the stepless speed variator of industry and other field extensive use.

(4) description of drawings

Fig. 1 is a kind of embodiment's of the utility model a structural representation.

Fig. 2 is the utility model idling mode schematic representation.

Fig. 3 is the utility model travelling state schematic representation.

Fig. 4 is the A-A sectional view of Fig. 2.

Fig. 5 is the utility model pull bar plan view.

Fig. 6 is the schematic representation of the utility model gingival cyst of mucous gland in the newborn pole plate planet carrier.

Fig. 7 is the schematic representation of the utility model control arm.

Fig. 8 is the schematic representation of the utility model swivel mount.

Fig. 9 is the another kind of embodiment's of the utility model a structural representation.

(5) embodiment

Embodiment one

Gear stepless speed variator comprises shell, rotating machinery, speed limiting mechanism, magnetic force control gear.Shell is by housing 32, housing 41, stationary housing end cap 25, flange end cap 2.Housing 32 1 ends are by bolt 27 fixedly connected stationary housing end caps 25, and the other end is fixedly connected by bolt 42 by housing 32, housing 41 and flange end cap 2.Described rotating machinery comprises input shaft 1, primary centre gear 5, planetary pinion 6, primary planet carrier 9, planet axis 7, secondary center gear 10, secondary planet frame 11, tertiary centre gear 12, third-level planetary frame 13, back-up ring 14, rotary shell 8, output shaft 15.Rotary shell 8 is provided with internal tooth fixedlys connected by bolt 43 with rotating end cap 4, and rotary shell 8 is contained in respectively in housing 32 and the flange end cap 2 by bearings at both ends 39.Rotary shell 8 is by bolt 38 fixedly connected speed limit planetary annular 37.Input shaft 1 is by bearing 3,40 are rotationally connected with rotary shell end cap 4 and rotary shell 8, in the rotary shell 8 is the third-level planetary drive mechanism, in establish three

planet carriers

9,11,13, on the same circumference of each planet carrier, fix three planet axis 7, three planetary pinions 6 are rotatably connected on the planet axis 7, the planetary pinion 6 that forms three grades of transmissions respectively with corresponding

central gear

5,10,12 and the engagement of the internal tooth of rotary shell 8, wherein primary centre gear 5 is fixedlyed connected with the axle head of input shaft 1, secondly secondary center gear 10 and tertiary centre gear 12 are separately fixed on primary planet carrier 9 and the secondary planet frame 11, two ends, output shaft 15 left and right sides are respectively with bearing 24,40 are supported on stationary housing end cap 25 and rotary shell 8 one ends, and end cap 25 axis hole places are equipped with end ring 23.Output shaft 15 right-hand members are crossed back-up ring 14 and are fixedlyed connected with third-level planetary frame 13.Speed limiting mechanism comprises speed limit central gear 16, speed limit planetary pinion 36, speed limit planetary annular 37, planet pin 35, gingival cyst of mucous gland in the newborn pole plate planet carrier 34, back-up ring 33.Speed limit central gear 16 is fixedly mounted on output shaft 15, output shaft 15 is rotationally connected by bearing and gingival cyst of mucous gland in the newborn pole plate planet carrier 34, be fixed with three planet pins 35 on the same circumference of gingival cyst of mucous gland in the newborn pole plate planet carrier 34, the speed limit planetary pinion 36 that all is rotationally connected on three planet pins 35, speed limit planetary pinion 36 respectively with the internal tooth engagement of speed limit central gear 16 and speed limit planetary annular 37.The magnetic force control gear comprises swivel mount 31, control bearing 28, bearing housing 29, magnet 30, control arm 18, pull bar 21.It is fixing that the bearing left end is equipped with back-up ring 33.Swivel mount 31 is connected with output shaft 15 upper splines 26.Fixedly connected six magnet 30 in swivel mount 31 tops, magnet 30 is connected with gingival cyst of mucous gland in the newborn pole plate planet carrier 34 magnetic force.Swivel mount 31 inner ends are with a control bearing 28, and control bearing 28 outer ends fixedly mount a bearing housing 29.Described control arm 18 lower ends are rotatably connected on the bearing housing 29 by two control underarm end axles 22, the control arm 18 upper ends control arm stationary axle 17 that is rotationally connected.One pull bar 21 is slidingly connected with stationary housing end cap 25 via holes.Square hole 19 on the pull bar 21 is connected with control arm 18 middle-ends by one 20.

Embodiment two

Embodiment two and embodiment one are basic identical, and its difference is that the magnetic force control gear comprises coil swivel mount 49, iron core 52, coil 44, slip ring 50, carbon brush 48, spring 46, stage clip screw 45, carbon brush holder 51, lead 47.Described coil swivel mount 49 is installed on the output shaft 15, and coil swivel mount 49 magnetic force connect gingival cyst of mucous gland in the newborn pole plate planet carrier 34, fixedly mount six groups of iron cores 52 that are wound with coil 44 on coil swivel mount 49 tops.Described two slip rings 50 are fixedly mounted on the coil swivel mount 49, and are electrically connected with six groups of coils 44.Carbon brush holder 51 is fixedly connected on stationary housing end cap 25.Described carbon brush 48 is installed on the carbon brush holder 51, and is connected with power supply by two leads 47.Two spring 46 two ends are installed in respectively on stage clip screw 45 and the carbon brush 48, and carbon brush 48 frictions connect slip ring 50.

Claims

1, gear stepless speed variator, comprise shell, rotating machinery, speed limiting mechanism, described rotating machinery, comprise input shaft, the rotary shell of dress planetary gear set in being equiped with on the input shaft, it is characterized in that described speed limiting mechanism, comprise output shaft, be equiped with the magnetic force control gear of planetary gear set and control output shaft rotating speed on the output shaft.

2, gear stepless speed variator according to claim 1, it is characterized in that described planetary gear set, comprise speed limit central gear (16), speed limit planetary pinion (36), speed limit planetary annular (37), planet pin (35), gingival cyst of mucous gland in the newborn pole plate planet carrier (34), described speed limit central gear (16) is fixedly mounted on the output shaft (15), described output shaft (15) is rotationally connected by bearing and described gingival cyst of mucous gland in the newborn pole plate planet carrier (34), be fixed with a plurality of planet pins (35) on the same circumference of gingival cyst of mucous gland in the newborn pole plate planet carrier (34), a speed limit planetary pinion (36) all is rotationally connected on each planet pin (35), described speed limit planetary pinion (36) respectively with the engagement of the internal tooth of described speed limit central gear (16) and described speed limit planetary annular (37), speed limit planetary annular (37) is fixedlyed connected with described rotary shell (8).

3, gear stepless speed variator according to claim 1, it is characterized in that described magnetic force control gear, comprise magnet (30), swivel mount (31) and linkage mechanism, described swivel mount (31) is connected with described output shaft spline (26), described linkage mechanism, comprise control arm (18), pull bar (21), described pull bar (21) is slidingly connected with described set casing end cap (25) via hole, described pull bar (21) is connected with described control arm (18) axle, and described control arm (18) is connected with bearing housing (29) axle.

4, gear stepless speed variator according to claim 1, it is characterized in that described magnetic force control gear comprises coil swivel mount (49), iron core (52), coil (44), slip ring (50), carbon brush (48), carbon brush holder (51), described coil swivel mount (49) is installed on the output shaft (15), fixed installation many groups in coil swivel mount (49) top are wound with the iron core (52) of coil, described slip ring (50) is fixedly mounted on the coil swivel mount (49), and be electrically connected with coil (44), described carbon brush holder (51) is fixedly connected on the end cap (25) of shell, described carbon brush (48) is installed on the carbon brush holder (51), and is connected with power supply by lead (47).