CN206130019U - Rotatory continuously variable transmission suitable for non -colinear transmission - Google Patents

Abstract

The utility model discloses a rotatory continuously variable transmission suitable for non -colinear transmission belongs to speed change mechanism technical field. The device includes gear box casing, the spherical cavity wall, universal axle sleeve, the transmission shaft, the rotary mechanism fixed stay, the pneumatic cylinder, the unilateral hinge, the fixed lid of hinge, the rotary rod, spherical, the transmission reel, two side hinges, the rotary rod rotary sleeve, a spherical disc supports, spherical fixed cover, the solid fixed ring of rotary rod, the rotation axis axle sleeve, the rotation axis, the transmission is carried out to the engine output axle to this design, under the collineation does not have the condition of certain angle slightly to input shaft and output shaft, infinitely variable's mechanism is realized through the friction, this mechanism design is simple, because do not use the gear, weight is very low, the function that realizes has certain practical value, the present invention has good market outlook.

Description

A kind of rotation stepless speed changing mechanism suitable for non-colinear transmission

Technical field

The utility model discloses a kind of rotation stepless speed changing mechanism suitable for non-colinear transmission, belongs to gear skill Art field.

Background technology

Gear has certain requirement to the position angle of input shaft and output shaft at present, and speed change is mostly several The gear of individual gear, and stepless speed changing mechanism need it is extra add universal joint match input shaft and output shaft position and Angle, implements certain complexity, in addition because the use of change-speed gearing so that traditional gear weight is larger. This utility model purpose is to provide a kind of stepless speed changing mechanism of simple structure, and in the case of infinitely variable speeds, is collected Into the universal structure of pto input shaft, but this utility model to input and output shaft allowed collinearly do not spend it is less, This utility model simple structure, with good using effect.

Utility model content

, to solve above original technology defect, utility model is as follows for this utility model

The device gearbox body, spherical cavity wall, universal shaft sleeve, power transmission shaft, rotating mechanism fix support, hydraulic cylinder, one side Hinge, hinge fix lid, swingle, spherical partses, transmission reel, bilateral hinge, swingle rotary sleeve, spherical partses disk support, Spherical partses fixed cover, swingle retainer ring, rotary shaft axle sleeve, rotary shaft, wherein universal shaft sleeve are placed on and are fixed on wall box Spherical cavity wall in, universal shaft sleeve central exterior surface be sphere because universal shaft sleeve can be in spherical cavity wall for a sphere Universal slip, because this mechanism acts on, gear can allow certain non-colinear to angle of input shaft and output shaft etc.； Transmission reel is fixed on the power transmission shaft one end being installed on inside universal shaft sleeve, and spherical partses are supported by spherical partses disk and spherical partses Fixed cover be arranged on swingle on, and around rotation rod axis rotate, spherical partses disk support and spherical partses fixed cover with it is spherical Part constitutes a revolving part, rotates around rotation rod axis, and spherical partses disk is supported to play and spherical partses supported on swingle Effect, spherical partses fixed cover has certain length, plays the mesh of a stable rotation, prevent in spherical partses rotation process The phenomenon swingle retainer ring that spherical partses occur swinging in rotation process is arranged on rotation shaft end and in spherical partses fixed cover Outside, the effect for preventing spherical partses from coming off from swingle one end of working；Swingle is placed in swingle rotary sleeve, can be in rotation Rotate in bar rotary sleeve, rotary shaft is fixed on swingle rotary sleeve side, and is installed in rotary sleeve, and swingle rotary sleeve can Rotate around rotary shaft, rotary sleeve is fixed support by rotating mechanism and is fixed on body side；Cut with scissors by bilateral hydraulic stem one end Chain be arranged on body side and when rotary shaft rotate on body side projection line position on the lower side, the other end by one side hinge Lid is fixed with the end fixed hinge of swingle to be connected, hydraulic stem in the plane which constitutes is moved and rotated with swingle, rotation Bull stick is rotated around rotary shaft.

Further improve as this technology, have lubricating system at spherical cavity wall and universal shaft sleeve cooperation, be easy to axle sleeve in ball Universal fine setting in shape cavity wall, it is allowed to which input and output shaft has certain low-angle deviation.

Transmission reel is further improved as this technology friction surface is contacted with spherical partses using the high material of coefficient of friction, And with certain elasticity, elastomeric material using on the one hand in order to increase the contact pressure of spherical partses and drive plate, the opposing party The gap of drive plate that face causes to offset pto input shaft angle change and spherical partses, also this speed change Just because of this The input and output shaft angular deviation very little allowed by mechanism.

Further improve as this technology, rotating mechanism fix support for 90 degree twice bend, with guarantee and swingle compared with Small―gap suture, in speed change, spherical partses are rotated with swingle, and when rotating, spherical partses edge may be fixed with rotating mechanism and be propped up Support is interfered, so the gap for reducing is interfered also for reducing.

Unilateral hinge is further improved as this technology and there was only side journal stirrup, fixed near rotating mechanism and support side not have Journal stirrup, because fixed support and swingle gap very little, can only be from unilateral journal stirrup.

Description of the drawings

Fig. 1 is this utility model overall appearance figure.

Fig. 2 is each block diagram inside the gear with side plate.

Fig. 3 is each component diagram inside gear without side plate.

Fig. 4 is speed change spherical partses schematic diagram.

Fig. 5 is speed change spherical partses rotating mechanism schematic diagram.

Fig. 6 is rotating mechanism top view.

Fig. 7 is rotating mechanism side view.

Fig. 8 is the side plate figure in spherical chamber.

Fig. 9 is power transmission shaft schematic diagram.

Figure 10 is power transmission shaft universal shaft sleeve schematic diagram.

Figure 11 is rotating fixing machine schematic diagram.

Figure 12 is rotation executive item schematic diagram.

Figure 13 is the speed change example schematic of gear.

Label title in figure：1st, gearbox body, 2, spherical cavity wall, 3, universal shaft sleeve, 4, power transmission shaft, 5, rotating mechanism fixes Support, 6, hydraulic cylinder, 7, unilateral hinge, 8, hinge fix lid, 9, swingle, 10, spherical partses, 11, transmission reel, 12, bilateral Hinge, 13, swingle rotary sleeve, 14, spherical partses disk support, 15, spherical partses fixed cover, 16, swingle retainer ring, 17, rotation Rotating shaft axle sleeve, 18, rotary shaft, 19, journal stirrup.

Specific embodiment

As Figure 1-3, the device gearbox body, spherical cavity wall, universal shaft sleeve, power transmission shaft, rotating mechanism fix support, Hydraulic cylinder, unilateral hinge, hinge are fixed lid, swingle, spherical partses, are driven reel, bilateral hinge, swingle rotary sleeve, spherical The support of part disk, spherical partses fixed cover, swingle retainer ring, rotary shaft axle sleeve, rotary shaft, wherein as shown in Fig. 8,10, it is universal Axle sleeve is placed in the spherical cavity wall being fixed on wall box, and universal shaft sleeve central exterior surface is sphere, because universal shaft sleeve is One sphere can the universal slip in spherical cavity wall because this mechanism acts on, gear is to input shaft and the angle of output shaft Degree etc. can allow certain non-colinear；As shown in figure 9, transmission reel is fixed on the power transmission shaft one being installed on inside universal shaft sleeve End；As shown in figure 4, spherical partses are supported by spherical partses disk and spherical partses fixed cover is arranged on swingle, and around rotation Rod axis are rotated, and spherical partses disk is supported and spherical partses fixed cover constitutes a revolving part with spherical partses, around rotation rod axis Rotate, spherical partses disk supports and plays a part of spherical partses to be supported on swingle, and spherical partses fixed cover has certain length Degree, plays the mesh of a stable rotation in spherical partses rotation process, prevents spherical partses from occurring showing for swing in rotation process As swingle retainer ring is arranged on rotation shaft end and on the outside of spherical partses fixed cover, and working prevents spherical partses from swingle One end comes off；As illustrated in figs. 5-7, swingle is placed in swingle rotary sleeve, can be rotated in swingle rotary sleeve；Such as Figure 12 institutes Show, rotary shaft is fixed on swingle rotary sleeve side, and is installed in rotary sleeve, swingle rotary sleeve can turn around rotary shaft Dynamic, rotary sleeve is fixed support by rotating mechanism and is fixed on body side, and hydraulic stem one end is arranged on case by bilateral hinge Body side surface and when rotary shaft rotates on body side projection line position on the lower side, the other end is by unilateral hinge and swingle end The fixed hinge in end fixes lid connection, and hydraulic stem in the plane which constitutes is moved and rotated with swingle, and swingle is around rotation Axis of rotation.

There is lubricating system at spherical cavity wall and universal shaft sleeve cooperation, be easy to axle sleeve universal fine setting in spherical cavity wall, it is allowed to Input and output shaft has certain low-angle deviation.

Transmission reel contacts friction surface using the high material of coefficient of friction with spherical partses, and with certain elasticity, bullet Property material on the one hand using in order to increase the contact pressure of spherical partses and drive plate, on the one hand in order to offset pto input shaft The gap of angle change and the drive plate that causes and spherical partses, the also Just because of this input and output shaft allowed by this gear Angular deviation very little.

As shown in figure 11, rotating mechanism is fixed to support and is bent for 90 degree twice, to ensure and swingle small gap, is being become When fast, spherical partses are rotated with swingle, and when rotating, spherical partses edge may be fixed to support with rotating mechanism and be interfered, so The gap of reduction is also for the probability for reducing interference.

As shown in fig. 6, improving unilateral hinge only has side journal stirrup, fix near rotating mechanism and support side there is no journal stirrup, Because fixed support and swingle gap very little, from unilateral journal stirrup.

As shown in figure 13, it is gear speed change example, figure a, b are two extreme positions of spherical partses, such as a institutes in figure Show, under hydraulic stem telescopic action, on the one hand centre of sphere part is overall to rotate to an angle around rotary shaft, on the other hand around swingle Rotate for being driven, the gear ratio of two power transmission shafts can be represented with the spherical radial direction cord length ratio in figure, at this moment left side input The rotating speed of axle is greater than the rotating speed of the right output shaft, and when hydraulic stem shortens, spherical partses are rotated clockwise, and in rotation process, passes Dynamic ratio change, as schemed shown in b, when this position is reached, gear ratio is that 1 liang of rotating speed of transmission shaft is identical；This gear left side is defeated Enter the rotating speed of the rotating speed more than or equal to the output shaft on the right of axle, that is, now gear is reducing gear, if desired speedup Then input shaft is exchanged with output shaft.

Claims (1)

1. it is a kind of suitable for non-colinear transmission rotation stepless speed changing mechanism, it is characterised in that：The gear has：Speed change Casing, spherical cavity wall, universal shaft sleeve, power transmission shaft, rotating mechanism fix support, hydraulic cylinder, unilateral hinge, hinge fixation lid, rotation Bull stick, spherical partses, transmission reel, bilateral hinge, swingle rotary sleeve, the support of spherical partses disk, spherical partses fixed cover, swingle Retainer ring, rotary shaft axle sleeve, rotary shaft, wherein universal shaft sleeve are placed in the spherical cavity wall being fixed on wall box, universal drive shaft Set central exterior surface is sphere；Transmission reel is fixed on the power transmission shaft one end being installed on inside universal shaft sleeve；Spherical partses pass through ball Shape part disk is supported and spherical partses fixed cover is arranged on swingle, and is rotated around rotation rod axis together, and swingle is fixed Ring is arranged on rotation shaft end and on the outside of spherical partses fixed cover；Swingle is placed in swingle rotary sleeve, and rotary shaft is fixed on Swingle rotary sleeve side, and be installed in rotary sleeve, rotary sleeve is fixed support by rotating mechanism and is fixed on case-side Face；Hydraulic stem one end is arranged on body side by bilateral hinge, and inclined on body side projection line when rotary shaft rotates Lower position, the other end are fixed lid with the end fixed hinge of swingle by unilateral hinge and are connected, and hydraulic stem is with swingle at which Move and rotate in the plane of composition, swingle is rotated around rotary shaft and the point of rotation is the spherical partses centre of sphere；The spherical cavity wall There is lubricating system with universal shaft sleeve cooperation, be easy to axle sleeve universal fine setting in spherical cavity wall；The transmission reel and spherical partses Contact friction surface adopts the high material of coefficient of friction, and with certain elasticity.