CN116906520A - Hybrid power stepless speed changer and control method - Google Patents

Hybrid power stepless speed changer and control method Download PDF

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Publication number
CN116906520A
CN116906520A CN202310873805.6A CN202310873805A CN116906520A CN 116906520 A CN116906520 A CN 116906520A CN 202310873805 A CN202310873805 A CN 202310873805A CN 116906520 A CN116906520 A CN 116906520A
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China
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friction
cones
planetary
spring steel
rotating shaft
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CN202310873805.6A
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Chinese (zh)
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张英华
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Individual
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Priority to CN202310873805.6A priority Critical patent/CN116906520A/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
    • F16H15/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members
    • F16H15/48—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members with members having orbital motion
    • F16H15/50—Gearings providing a continuous range of gear ratios
    • 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
    • F16H57/00—General details of gearing
    • F16H57/08—General details of gearing of gearings with members having orbital motion
    • 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
    • F16H57/00—General details of gearing
    • F16H57/08—General details of gearing of gearings with members having orbital motion
    • F16H57/10—Braking arrangements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)

Abstract

The invention discloses a hybrid power stepless speed changer and a control method. The hybrid stepless speed changer consists of an engine, a main input rotating shaft, a main input gear, a permanent magnet synchronous motor, an auxiliary input rotating shaft, a rear end cover, a gear reduction motor, a spiral feeding gear, a hollow screw, a gear nut, a revolution gear, a planetary friction cone, a sun friction wheel, an output friction cone bucket, an output rotating shaft, a shell and a front end cover. The engine belt drives the revolution gear to rotate clockwise through the input rotating shaft and the main input gear. The permanent magnet synchronous motor drives the sun friction wheel to rotate anticlockwise through the auxiliary input rotating shaft. The gear nut drives the front end of the hollow rotating shaft of the four planetary friction cones to move forwards through the revolution gear, and the radius of the static friction contact position of the conical spring steel bars of the planetary friction cones, the sun friction wheel and the output friction cone hopper is adjusted through the arc steel wires, so that full-power stepless speed change is realized.

Description

Hybrid power stepless speed changer and control method
Technical field:
the invention relates to a hybrid power stepless speed changer and a control method.
The background technology is as follows:
the AT continuously variable transmission, the CVT continuously variable transmission, the ECVT continuously variable transmission and the CCVT continuously variable transmission realize continuously variable transmission through pure sliding friction, the friction loss is increased when the slip ratio is large, and the friction loss is up to 40% when the slip ratio is 60%. Therefore, the AT continuously variable transmission, CVT continuously variable transmission, ECVT continuously variable transmission, and CCVT continuously variable transmission also need to be speed-regulated in cooperation with the three-gear reduction.
The invention comprises the following steps:
the hybrid stepless speed changer consists of an engine, an electromagnetic clutch, a main input rotating shaft, a main electromagnetic brake, a main input gear, a permanent magnet synchronous motor, an auxiliary input rotating shaft, an auxiliary electromagnetic brake, a rear end cover, a gear reduction motor, a spiral feeding gear, a hollow screw gear nut, a spline, a front ball bearing, a rear ball bearing, a revolution gear, a planetary friction cone, a sun friction wheel, an output friction cone, an output rotating shaft, a shell and a front end cover. The engine rotating shaft is connected with a main input rotating shaft through an electromagnetic clutch, and a main electromagnetic brake is arranged on the main input rotating shaft; the main input shaft passes through a bearing on a small hole on the rear end cover forwards and is provided with a main input gear. The rotating shaft of the permanent magnet synchronous motor is connected with an auxiliary input rotating shaft through a coupler, and an auxiliary electromagnetic brake is arranged at the rear section of the auxiliary input rotating shaft. A hollow screw is arranged in the central hole at the front end of the rear end cover, and a gear nut is screwed on the hollow screw. The gear motor is arranged outside the rear end cover, the rotating shaft of the gear motor forwards passes through a bearing on a small hole on the rear end cover, and then a spiral feeding gear is arranged, and is meshed with a gear nut. The hollow screw is integrated with the hollow male part of the spline, and hollow screw teeth are arranged on the hollow male part of the spline in a turning mode. The spline female part is sleeved on the spline hollow male part, a front ball bearing and a rear ball bearing are arranged outside the spline female part, the front end of the gear nut is arranged on the rear ball bearing through an inner clamping spring, and the rear end of the revolution gear is arranged on the front ball bearing through an inner clamping spring. The main input gear is meshed with the revolution gear, four planetary friction grating cones are arranged in front of the revolution gear, and hollow rotating shafts of the four planetary friction grating cones are arranged on the revolution gear through respective bearings. The front end of the hollow rotating shaft of the planetary friction cone is provided with two symmetrical isosceles trapezoid bulges with longitudinal sections, and the friction grating cone of the planetary friction cone is arranged at the front section of the hollow rotating shaft of the planetary friction grating cone. The rotating shaft of the friction grating cone is inserted into the hollow rotating shaft of the planetary friction cone, and the reset springs are arranged in the hollow rotating shaft of the planetary friction cone and the rotating shaft of the friction grating cone. The front end of the conical spring steel grating bar of the friction grating cone is fixed on the front large steel ring, the rear end of the conical spring steel grating bar of the friction grating cone is fixed on the rear large steel ring, the front end of the steel grating of the friction grating cone is fixed on the front small steel ring, the rear end of the steel grating of the friction grating cone is fixed on the rear small steel ring, and the front small steel ring are fixed on the front section of the rotating shaft of the friction grating cone through radial wires. The steel wire grating of the friction grating cone and the rotating shaft of the friction grating cone are provided with gaps with set distances, the number of the conical spring steel grating bars of the friction grating cone is the same as that of the steel wire grating of the friction grating cone, a plurality of arc-shaped steel wires are arranged between the conical spring steel grating bars of the friction grating cone and the steel wire grating of the friction grating cone, the arc-shaped steel wires taper from back to front, and rubber is filled between the conical spring steel grating bars of the friction grating cone and the steel wire grating of the friction grating cone. The middle section of the auxiliary input rotating shaft sequentially passes through the bearing and the hollow screw on the central hole of the rear end cover, the front section of the auxiliary input rotating shaft is provided with a solar friction wheel, the solar friction wheel is in a round table shape, the outer diameter of the front end of the solar friction wheel is larger than that of the rear end of the solar friction wheel, and the surface of the solar friction wheel is in a stripe shape. Four planetary friction cones are outside the sun friction wheel. The output friction cone hopper is arranged at the rear end of the output rotating shaft, the inner surface of the output friction cone hopper is in a stripe shape, the output friction cone hopper is sleeved outside the four planetary friction cones, namely, the four planetary friction cones extend into a gap between the output friction cone hopper and the sun friction wheel, and the gap between the output friction cone hopper and the sun friction wheel is an annular groove with an isosceles trapezoid cross section. The front end of the auxiliary input rotating shaft is provided with a central bearing, the bearing seat of the central bearing is provided with four small holes, and the front end of the rotating shaft of the friction grating cone is arranged in the small holes on the bearing seat of the central bearing through a bearing. The small shaft at the front end of the auxiliary input rotating shaft is inserted into the small hole at the rear end of the output rotating shaft, the rear end cover is arranged on the shell, the front end cover is arranged, and engine oil is injected into the shell.
A control method of a hybrid continuously variable transmission. On highways, automobiles run in a hybrid mode: the engine is started, the electromagnetic clutch is electrified, the engine rotating shaft is connected with the main input rotating shaft, the main electromagnetic brake is in a power-off and loosening state, the engine drives the main input rotating shaft to rotate anticlockwise, and the main input gear rotates anticlockwise to drive the revolution gear to rotate clockwise. The auxiliary electromagnetic brake is in a power-off and releasing state, and the permanent magnet synchronous motor drives the auxiliary input rotating shaft to rotate anticlockwise so as to enable the sun friction wheel to rotate anticlockwise. The gear speed reducing motor rotates anticlockwise to drive the spiral feeding gear to rotate anticlockwise, and the spiral feeding gear rotates anticlockwise to drive the gear nut to rotate clockwise on the hollow screw. The gear nut moves forwards to drive the spline female part to move forwards, the spline female part moves forwards to drive the revolution gear to move forwards, the revolution gear moves forwards to drive the protrusions at the front ends of the hollow rotating shafts of the four planetary friction cones 10 to move forwards, the protrusions at the front ends of the hollow rotating shafts of the planetary friction cones press against steel wire grids of the friction grid cones, conical spring steel bars of the friction grid cones are deformed to be in static friction contact with the sun friction wheel and the output friction cone hopper through arc steel wires, the average radius of conical spring steel bars of the four planetary friction cones in static friction contact with the sun friction wheel and the output friction cone hopper is reduced, the average radius of the sun friction wheel in static friction contact with the conical spring steel bars of the four planetary friction cones is increased, and the average half inner diameter of the output friction cone hopper in static friction contact with the conical spring steel bars of the four planetary friction cones is reduced. Under the condition that the rotation speeds of the main input rotating shaft and the auxiliary input rotating shaft are unchanged, in a set time period, the average arc length of the rotation of the sun friction wheel position in static friction contact with the conical spring steel bars of the four planetary friction cones is increased, and the arc length of the rotation of the sun friction wheel driving the conical spring steel bars of the four planetary friction cones is increased. The average radius of the sun friction wheel position is increasing due to the conical spring steel bars of the four planetary friction cones in static friction contact, while the average radius of the conical spring steel bars of the four planetary friction cones in static friction contact with the sun friction wheel is decreasing. Under the condition that the rotation speed of the revolution gear is unchanged, the revolution gear rotates to drive conical spring steel bars of four planetary friction cones in static friction contact with a sun friction wheel to have the average arc length unchanged. The sun friction wheel rotates to enable the average arc length of the conical spring steel grid bar positions of the four planetary friction cones in static friction contact with the sun friction wheel to be increased, the average arc length of the output friction cone bucket positions which drive the conical spring steel grid bars of the four planetary friction cones to be in static friction contact is increased, the average inner radius of the output friction cone bucket positions which are in static friction contact with the conical spring steel grid bars of the four planetary friction cones is reduced, and the rotation speed of the output rotation shaft is increased due to the increase of the angular speed of the rotation of the output friction cone bucket. If the output rotating shaft needs to reduce the speed, the gear reduction motor rotates clockwise to drive the spiral feeding gear to rotate clockwise, the spiral feeding gear rotates clockwise to drive the gear nut to rotate anticlockwise on the hollow screw, the gear nut moves backwards to drive the spline female part to move backwards, and the spline female part moves towards steel to drive the revolution gear to move backwards. The revolution gear moves backwards to drive the protrusions at the front ends of the hollow rotating shafts of the four planetary friction cones to move backwards, the protrusions at the front ends of the hollow rotating shafts of the planetary friction cones are pressed against the steel wire grids of the friction grid cones, the conical spring steel grid bars of the friction grid cones are deformed to be in static friction contact with the sun friction wheel and the output friction cone hopper through arc steel wires, the average radius of the conical spring steel grid bars of the four planetary friction cones, which are in static friction contact with the sun friction wheel and the output friction cone hopper, is increased, the average radius of the sun friction wheel, which is in static friction contact with the conical spring steel grid bars of the four planetary friction cones, is reduced, and the average half inner diameter of the output friction cone hopper, which is in static friction contact with the conical spring steel grid bars of the four planetary friction cones, is increased. Under the condition that the rotation speeds of the main input rotating shaft and the auxiliary input rotating shaft are unchanged, in a set time period, the average arc length of the rotation of the sun friction wheel position in static friction contact with the conical spring steel bars of the four planetary friction cones is reduced, and the arc length of the rotation of the sun friction wheel driving the static friction contact position of the conical spring steel bars of the four planetary friction cones is reduced. The average radius of the sun friction wheel location in static friction contact with the conical spring steel bars of the four planetary friction cones is decreasing, while the average radius of the conical spring steel bars of the four planetary friction cones 10 in static friction contact with the sun friction wheel is increasing. Under the condition that the rotation speed of the revolution gear is unchanged, the revolution gear 9 rotates to drive conical spring steel bars of four planetary friction cones in static friction contact with a sun friction wheel, and the average arc length of the rotation of the conical spring steel bars is unchanged; the sun friction wheel rotates to enable the average arc length of the conical spring steel grid bar positions of the four planetary friction cones in static friction contact with the sun friction wheel to be reduced, the average arc length of the output friction cone bucket positions which drive the conical spring steel grid bars of the four planetary friction cones to be in static friction contact is reduced, the average inner radius of the output friction cone bucket positions which are in static friction contact with the conical spring steel grid bars of the four planetary friction cones is increased, and the rotation speed of the output rotation shaft is reduced due to the reduction of the angular speed of the output friction cone bucket. The engine speed can be reduced by 20% by adjusting the throttle, the efficiency of corresponding power generation can be reduced when the engine runs at low speed, the speed of the permanent magnet synchronous motor can be reduced by 40%, and the efficiency of corresponding power generation can be reduced when the engine runs at low speed. Under the condition that the power battery is exhausted, the automobile is operated in a pure engine mode: the engine is started, the electromagnetic clutch is electrified, the engine rotating shaft is connected with the main input rotating shaft, the main electromagnetic brake is in a power-off and loosening state, the engine drives the main input rotating shaft to rotate anticlockwise, and the main input gear rotates anticlockwise to drive the revolution gear to rotate clockwise. The auxiliary electromagnetic brake is electrified to be in a braking state, the auxiliary input rotating shaft does not rotate, and the sun friction wheel does not rotate. The gear speed reducing motor rotates anticlockwise to drive the spiral feeding gear to rotate anticlockwise, and the spiral feeding gear rotates anticlockwise to drive the gear nut to rotate clockwise on the hollow screw. The gear nut moves forwards to drive the spline female part to move forwards, and the spline female part moves forwards to drive the revolution gear to move forwards. The revolution gear moves forward to drive the protrusions at the front ends of the hollow rotating shafts of the four planetary friction grating cones to move forward, the protrusions at the front ends of the hollow rotating shafts of the planetary friction grating cones are pressed against the steel wire grating of the friction grating cones, the arc steel wires enable the conical spring steel grating bars of the friction grating cones to deform and be in static friction contact with the sun friction wheel and the output friction grating hopper, the average radius of the positions of the spring steel grating bars of the four planetary friction cones is reduced, the average radius of the positions of the sun friction wheel in static friction contact with the conical spring steel grating bars of the four planetary friction cones is increased, and the average half inner diameter of the positions of the output friction grating hopper in static friction contact with the conical spring steel grating bars of the four planetary friction cones is reduced. Under the condition that the rotation speed of the main input rotating shaft is unchanged and the auxiliary input rotating shaft is not rotated, in a set period of time, as the average radius of the positions of the conical spring steel bars of the four planetary friction cones, which are in static friction contact with the four planetary friction cones, is increased, the average radius of the positions of the conical spring steel bars of the four planetary friction cones, which are in static friction contact with the sun friction wheels, is reduced, and the arc length of the autorotation average of the positions of the conical spring steel bars of the four planetary friction cones, which are in static friction contact with the sun friction cones, is unchanged by rotation of the revolution gear; the average arc length of the output friction cone bucket which drives the conical spring steel bars of the four planetary friction cones to be in static friction contact is unchanged, the average inner radius of the output friction cone bucket which drives the conical spring steel bars of the four planetary friction cones to be in static friction contact is reduced, and the rotating speed of the output rotating shaft is increased by increasing the rotating angular speed of the output friction cone bucket. If the output rotating shaft needs to reduce the speed, the gear reduction motor rotates clockwise to drive the spiral feeding gear to rotate clockwise, the spiral feeding gear rotates clockwise to drive the gear nut to rotate anticlockwise on the hollow screw, the gear nut moves backwards to drive the spline female part to move backwards, and the spline female part moves backwards to drive the revolution gear to move backwards. The revolution gear moves backwards to drive the protrusions at the front ends of the hollow rotating shafts of the four planetary friction cones to move backwards, the protrusions at the front ends of the hollow rotating shafts of the planetary friction cones are pressed against the steel wire grids of the friction grid cones, the conical spring steel grid bars of the friction grid cones are deformed through arc steel wires to be in static friction contact with the sun friction wheel and the output friction cone hopper, the average radius of the conical spring steel grid bars of the four planetary friction cones is increased, the average radius of the sun friction wheel in static friction contact with the conical spring steel grid bars of the four planetary friction cones is reduced, and the average half inner diameter of the output friction cone hopper in static friction contact with the conical spring steel grid bars of the four planetary friction cones is increased. Under the condition that the rotation speed of the main input rotating shaft is unchanged and the auxiliary input rotating shaft is not rotated, in a set period of time, as the average radius of the sun friction wheel which is in static friction contact with the conical spring steel bars of the four planetary friction cones is reduced, the average radius of the conical spring steel bars of the four planetary friction cones which are in static friction contact with the sun friction wheel is increased, and the rotation of the revolution gear drives the arc length of the autorotation average of the conical spring steel bars of the four planetary friction cones which are in static friction contact with the sun friction wheel to be unchanged; the average arc length of the output friction cone bucket which drives the conical spring steel bars of the four planetary friction cones to be in static friction contact is unchanged, the average inner radius of the output friction cone bucket which drives the conical spring steel bars of the four planetary friction cones to be in static friction contact is increased, and the rotating angular speed of the output friction cone bucket is reduced to reduce the rotating speed of the output rotating shaft. If the output rotating shaft needs to further reduce the speed, stopping supplying power to the auxiliary electromagnetic brake, enabling the auxiliary electromagnetic brake to be in a power-off and releasing state, enabling the permanent magnet synchronous motor to be in a power-generating and braking state, enabling the main input rotating shaft to rotate anticlockwise to drive the revolution gear to rotate clockwise, enabling the planetary friction cone to rotate clockwise when the revolution gear rotates clockwise, enabling the planetary friction cone to rotate clockwise to drive the output friction cone to rotate clockwise, and enabling the output friction cone to rotate clockwise when the planetary friction cone rotates clockwise. The planetary friction cone rotates clockwise to drive the sun friction wheel to rotate clockwise, so that the speed of the planetary friction cone rotating clockwise is reduced, the speed of the output friction cone rotating clockwise is reduced, and the speed of the output friction cone rotating clockwise is reduced, so that the speed of the output rotating shaft rotating clockwise is also reduced. The engine speed can be reduced by 20% by reducing the throttle, and the efficiency of corresponding power generation can be reduced during low-speed operation. On urban roads with multiple traffic lights and traffic jams, the automobile runs in a pure electric mode: the main electromagnetic brake is electrified to be in a braking state, the auxiliary electromagnetic brake is in a power-off releasing state, and the permanent magnet synchronous motor drives the auxiliary input rotating shaft to rotate anticlockwise so as to enable the sun friction wheel to rotate anticlockwise. The gear speed reducing motor rotates anticlockwise to drive the spiral feeding gear to rotate anticlockwise, and the spiral feeding gear rotates anticlockwise to drive the gear nut to rotate clockwise on the hollow screw. The gear nut moves forwards to drive the spline female part to move forwards, and the spline female part moves forwards to drive the revolution gear to move forwards. The revolution gear moves forward to drive the protrusions at the front ends of the hollow rotating shafts of the four planetary friction cones to move forward, the protrusions at the front ends of the hollow rotating shafts of the planetary friction cones are pressed against the steel wire grids of the friction grid cones, the conical spring steel grid bars of the friction grid cones are deformed to be in static friction contact with the sun friction wheel and the output friction cone hopper through arc steel wires, the average radius of the spring steel grid bars of the four planetary friction grid cones, which are in static friction contact with the sun friction wheel and the output friction cone hopper, is reduced, the average radius of the sun friction wheel, which is in static friction contact with the spring steel grid bars of the four planetary friction grid cones, is increased, and the average half inner diameter of the output friction cone hopper, which is in static friction contact with the conical spring steel grid bars of the four planetary friction cones, is reduced. Under the condition that the main input rotating shaft does not rotate and the rotating speed of the auxiliary input rotating shaft is unchanged, in a set time period, the average arc length of the sun friction wheel 11 in static friction contact with the conical spring steel bars of the four planetary friction cones is increased, and the arc length of the sun friction wheel driving the conical spring steel bars of the four planetary friction cones to rotate in static friction contact is increased. Because the average radius of the sun friction wheel positions of the conical spring steel bars in static friction contact with the four planetary friction cones is increased, the average radius of the conical spring steel bars of the four planetary friction cones in static friction contact with the sun friction wheel is reduced, the average arc length of the spring steel bars of the four planetary friction cones in static friction contact with the sun friction wheel is increased by the rotation of the sun friction wheel, the average arc length of the output friction cone bucket positions which drive the conical spring steel bars of the four planetary friction cones in static friction contact is increased, the average inner radius of the output friction cone bucket positions which drive the conical spring steel bars of the four planetary friction cones in static friction contact is reduced, and the rotation speed of the output rotating shaft is increased by the increase of the angular speed of the rotation of the output friction cone bucket. If the output rotating shaft needs to reduce the speed, the gear reduction motor rotates clockwise to drive the spiral feeding gear to rotate clockwise, and the spiral feeding gear rotates clockwise to drive the gear nut to rotate anticlockwise on the hollow screw. The gear nut moves backwards to drive the spline female part to move backwards, and the spline female part moves towards the steel to drive the revolution gear to move backwards. The revolution gear moves backwards to drive the protrusions at the front ends of the hollow rotating shafts of the four planetary friction grating cones to move backwards, the protrusions at the front ends of the hollow rotating shafts of the planetary friction cones press against the steel wire grating of the friction grating cones, and the conical spring steel grating bars of the friction grating cones are deformed to be in static friction contact with the sun friction wheel and the output friction cone hopper through arc steel wires. The average radius of the spring steel grid bars of the four planetary friction grid cones in static friction contact with the sun friction wheel and the output friction cone hopper is increased, the average radius of the sun friction wheel in static friction contact with the conical spring steel grid bars of the four planetary friction cones is reduced, and the average half inner diameter of the output friction cone hopper in static friction contact with the conical spring steel grid bars of the four planetary friction cones is increased. Under the condition that the main input rotating shaft does not rotate and the rotating speed of the auxiliary input rotating shaft is unchanged, in a set period of time, the average arc length of rotation of the sun friction wheel position in static friction contact with the conical spring steel bars of the four planetary friction cones is reduced, the sun friction wheel drives the arc length of rotation of the spring steel bars of the four planetary friction grating cones to be reduced, the average arc length of rotation of the sun friction wheel rotates the conical spring steel bars of the four planetary friction cones in static friction contact with the sun friction wheel to be reduced, the average arc length of the output friction cone bucket position in static friction contact with the conical spring steel bars of the four planetary friction cones is reduced, the average inner radius of the output friction cone bucket position in static friction contact with the conical spring steel bars of the four planetary friction cones is increased, and the rotating angular speed of the output friction cone bucket is reduced to reduce the rotating speed of the output rotating shaft. The rotation speed of the permanent magnet synchronous motor can be reduced by 40%, and the efficiency of corresponding power generation can be reduced during low-speed operation. The sun friction wheel and the conical spring steel bars of the four planetary friction cones rotate and belong to rolling static friction transmission, and the conical spring steel bars of the four planetary friction cones rotate and belong to rolling static friction transmission with the output friction cone hopper, so that the rolling static friction transmission has no mechanical abrasion and no energy loss. The output torque is reduced during acceleration and increased during deceleration, and the full-power stepless speed change is realized by adjusting the radius of the static friction contact position of the conical spring steel bars of the four planetary friction cones, the sun friction wheel and the output friction cone hopper.
Description of the drawings:
the invention is described in further detail below with reference to the drawings and the detailed description.
Fig. 1 is a vertical sectional view of a hybrid continuously variable transmission of the present invention.
Fig. 2 is a sectional view of A-A of the hybrid continuously variable transmission of the present invention.
The specific embodiment is as follows:
as shown in fig. 1 and 2, a hybrid continuously variable transmission. The hybrid stepless speed changer consists of an engine, an electromagnetic clutch, a main input rotating shaft 1, a main electromagnetic brake, a main input gear 4, a permanent magnet synchronous motor, a secondary input rotating shaft 2, a secondary electromagnetic brake, a rear end cover 3, a gear reduction motor 5, a spiral feeding gear 6, a hollow screw 8, a gear nut 7, a spline, a front ball bearing, a rear ball bearing, a revolution gear 9, a planetary friction cone 10, a sun friction wheel 11, an output friction cone 12, an output rotating shaft 13, a shell 14 and a front end cover 15. The engine rotating shaft is connected with a main input rotating shaft 1 through an electromagnetic clutch, and a main electromagnetic brake is arranged on the main input rotating shaft 1; the main input rotating shaft 1 passes forward through a bearing on a small hole on the rear end cover 3 and is provided with a main input gear 4. The rotating shaft of the permanent magnet synchronous motor is connected with the auxiliary input rotating shaft 2 through a coupler, and an auxiliary electromagnetic brake is arranged at the rear section of the auxiliary input rotating shaft 2. The front end center hole of the rear end cover 3 is provided with a hollow screw 8, and the hollow screw 8 is screwed with a gear nut 7. The gear motor 5 is arranged outside the rear end cover 3, the rotating shaft of the gear motor 5 passes through a bearing on a small hole on the rear end cover 3 forwards, and then a spiral feeding gear 6 is arranged, and the spiral feeding gear 6 is meshed with a gear nut 7. The hollow screw 8 is integrated with a hollow male part of the spline, and hollow screw teeth are arranged on the hollow male part of the spline in a turning mode. The spline female part is sleeved on the spline hollow male part, a front ball bearing and a rear ball bearing are arranged outside the spline female part, the front end of the gear nut 7 is arranged on the rear ball bearing through an inner clamping spring, and the rear end of the revolution gear 9 is arranged on the front ball bearing through an inner clamping spring. The main input gear 4 is meshed with the revolution gear 9, four planetary friction grating cones 10 are arranged in front of the revolution gear 9, and hollow rotating shafts of the four planetary friction grating cones 10 are arranged on the revolution gear 9 through respective bearings. The front end of the hollow rotating shaft of the planetary friction cone 10 is provided with two symmetrical isosceles trapezoid bulges with longitudinal sections, and the friction grating cone of the planetary friction cone 10 is arranged at the front section of the hollow rotating shaft of the planetary friction grating cone 10. The rotating shaft of the friction grating cone is inserted into the hollow rotating shaft of the planetary friction cone 10, and the reset springs are arranged in the hollow rotating shaft of the planetary friction cone 10 and the rotating shaft of the friction grating cone. The front end of the conical spring steel grating bar of the friction grating cone is fixed on the front large steel ring, the rear end of the conical spring steel grating bar of the friction grating cone is fixed on the rear large steel ring, the front end of the steel grating of the friction grating cone is fixed on the front small steel ring, the rear end of the steel grating of the friction grating cone is fixed on the rear small steel ring, and the front small steel ring are fixed on the front section of the rotating shaft of the friction grating cone through radial wires. The steel wire grating of the friction grating cone and the rotating shaft of the friction grating cone are provided with gaps with set distances, the number of the conical spring steel grating bars of the friction grating cone is the same as that of the steel wire grating of the friction grating cone, a plurality of arc-shaped steel wires are arranged between the conical spring steel grating bars of the friction grating cone and the steel wire grating of the friction grating cone, the arc-shaped steel wires taper from back to front, and rubber is filled between the conical spring steel grating bars of the friction grating cone and the steel wire grating of the friction grating cone. The middle section of the auxiliary input rotating shaft 2 sequentially passes through the bearing and the hollow screw 8 on the central hole of the rear end cover 3, the front section of the auxiliary input rotating shaft 2 is provided with the sun friction wheel 11, the sun friction wheel 11 is in a truncated cone shape, the outer diameter of the front end of the sun friction wheel 11 is larger than that of the rear end of the sun friction wheel 11, and the surface of the sun friction wheel 11 is in a stripe shape. Four planetary friction cones 10 are outside the sun friction wheel 11. The output friction cone hopper 12 is arranged at the rear end of the output rotating shaft 13, the inner surface of the output friction cone hopper 12 is in a stripe shape, the output friction cone hopper 12 is sleeved outside the four planetary friction cones 10, namely, the four planetary friction cones 10 extend into gaps between the output friction cone hopper 12 and the sun friction wheel 11, and the gaps between the output friction cone hopper 12 and the sun friction wheel 11 are annular grooves with isosceles trapezoid cross sections. The front end of the auxiliary input rotating shaft 2 is provided with a central bearing, the bearing seat of the central bearing is provided with four small holes, and the front end of the rotating shaft of the friction grating cone is arranged in the small holes on the bearing seat of the central bearing through a bearing. The small shaft at the front end of the auxiliary input rotating shaft 2 is inserted into the small hole at the rear end of the output rotating shaft 13, the rear end cover 3 is arranged on the shell 14, the front end cover 15 is arranged, and engine oil is injected into the shell 14.
As shown in fig. 1 and 2, a control method of a hybrid continuously variable transmission. On highways, automobiles run in a hybrid mode: the engine is started, the electromagnetic clutch is electrified, the engine rotating shaft is connected with the main input rotating shaft 1, the main electromagnetic brake is in a power-off and loosening state, the engine drives the main input rotating shaft 1 to rotate anticlockwise, and the main input gear 4 rotates anticlockwise to drive the revolution gear 9 to rotate clockwise. The auxiliary electromagnetic brake is in a power-off and releasing state, and the permanent magnet synchronous motor drives the auxiliary input rotating shaft 2 to rotate anticlockwise so as to enable the sun friction wheel 11 to rotate anticlockwise. The gear reduction motor 5 rotates anticlockwise to drive the spiral feeding gear 6 to rotate anticlockwise, and the spiral feeding gear 6 rotates anticlockwise to drive the gear nut 7 to rotate clockwise on the hollow screw 8. The gear nut 7 moves forwards to drive the spline female part to move forwards, the spline female part moves forwards to drive the revolution gear 9 to move forwards, the revolution gear 9 moves forwards to drive the protrusions at the front ends of the hollow rotating shafts of the four planetary friction cones 10 to move forwards, the protrusions at the front ends of the hollow rotating shafts of the planetary friction cones 10 press against steel wire grids of the friction grid cones, the conical spring steel bars of the friction grid cones are deformed to be in static friction contact with the sun friction wheel 11 and the output friction cone hopper 12 through arc-shaped steel wires, the average radius of the conical spring steel bars of the four planetary friction cones 10 in static friction contact with the sun friction wheel 11 is reduced, the average radius of the sun friction wheel 11 in static friction contact with the conical spring steel bars of the four planetary friction cones 10 is increased, and the average half inner diameter of the output friction cone hopper 12 in static friction contact with the conical spring steel bars of the four planetary friction cones 10 is reduced. Under the condition that the rotation speed of the main input rotating shaft 1 and the auxiliary input rotating shaft 2 is unchanged, in a set period of time, the average arc length of the rotation of the position of the sun friction wheel 11 in static friction contact with the conical spring steel bars of the four planetary friction cones 10 is increased, and the arc length of the rotation of the position of the sun friction wheel 11 in static friction contact with the conical spring steel bars of the four planetary friction cones 10 is increased. The average radius of the sun friction wheel 11 position in static friction contact with the conical spring steel bars of the four planetary friction cones 10 is increasing, while the average radius of the conical spring steel bars of the four planetary friction cones 10 in static friction contact with the sun friction wheel 11 is decreasing. Under the condition that the rotation speed of the revolution gear 9 is unchanged, the revolution gear 9 rotates to drive the conical spring steel bars of the four planetary friction cones 10 in static friction contact with the sun friction wheel 11 to have unchanged average arc length of position rotation. The sun friction wheel 11 rotates to increase the average arc length of the conical spring steel bars of the four planetary friction cones 10 in static friction contact with the sun friction wheel 11, the average arc length of the output friction cone bucket 12 in static friction contact with the conical spring steel bars of the four planetary friction cones 10 is driven to increase, the average inner radius of the output friction cone bucket 12 in static friction contact with the conical spring steel bars of the four planetary friction cones 10 is reduced, and the rotation speed of the output rotation shaft 13 is increased due to the increase of the angular speed of the rotation of the output friction cone bucket 12. If the output rotating shaft 13 needs to reduce the speed, the gear reduction motor 5 rotates clockwise to drive the spiral feeding gear 6 to rotate clockwise, the spiral feeding gear 6 rotates clockwise to drive the gear nut 7 to rotate anticlockwise on the hollow screw 8, the gear nut 7 moves backwards to drive the spline female part to move backwards, and the spline female part moves towards steel to drive the revolution gear 9 to move backwards. The revolution gear 9 moves backwards to drive the protrusions at the front ends of the hollow rotating shafts of the four planetary friction cones 10 to move backwards, the protrusions at the front ends of the hollow rotating shafts of the planetary friction cones 10 are pressed against steel wire grids of the friction grid cones, conical spring steel bars of the friction grid cones are deformed to be in static friction contact with the sun friction wheel 11 and the output friction cone hopper 12 through arc steel wires, the average radius of the conical spring steel bars of the four planetary friction cones 10 in static friction contact with the sun friction wheel 11 and the output friction cone hopper 12 is increased, the average radius of the sun friction wheel 11 in static friction contact with the conical spring steel bars of the four planetary friction cones 10 is reduced, and the average half inner diameter of the output friction cone hopper 12 in static friction contact with the conical spring steel bars of the four planetary friction cones 10 is increased. Under the condition that the rotation speed of the main input rotating shaft 1 and the auxiliary input rotating shaft 2 is unchanged, in a set period of time, the average arc length of the rotation of the position of the sun friction wheel 11 in static friction contact with the conical spring steel bars of the four planetary friction cones 10 is reduced, and the arc length of the rotation of the position of the sun friction wheel 11 in static friction contact with the conical spring steel bars of the four planetary friction cones 10 is reduced. The average radius of the sun friction wheel 11 position in static friction contact with the conical spring steel bars of the four planetary friction cones 10 is decreasing, while the average radius of the conical spring steel bars of the four planetary friction cones 10 in static friction contact with the sun friction wheel 11 is increasing. Under the condition that the rotation speed of the revolution gear 9 is unchanged, the revolution gear 9 rotates to drive conical spring steel bars of four planetary friction cones 10 in static friction contact with a sun friction wheel 11 to have unchanged average arc length of rotation; the sun friction wheel 11 rotates to reduce the average arc length of the conical spring steel bars of the four planetary friction cones 10 which are in static friction contact with the sun friction wheel 11, the average arc length of the positions of the output friction cone hoppers 12 which are in static friction contact with the conical spring steel bars of the four planetary friction cones 10 is driven to be reduced, the average inner radius of the positions of the output friction cone hoppers 12 which are in static friction contact with the conical spring steel bars of the four planetary friction cones 10 is increased, and the rotating speed of the output rotating shaft is reduced due to the reduction of the rotating angular speed of the output friction cone hoppers 12. The engine speed can be reduced by 20% by adjusting the throttle, the efficiency of corresponding power generation can be reduced when the engine runs at low speed, the speed of the permanent magnet synchronous motor can be reduced by 40%, and the efficiency of corresponding power generation can be reduced when the engine runs at low speed. Under the condition that the power battery is exhausted, the automobile is operated in a pure engine mode: the engine is started, the electromagnetic clutch is electrified, the engine rotating shaft is connected with the main input rotating shaft 1, the main electromagnetic brake is in a power-off and loosening state, the engine drives the main input rotating shaft 1 to rotate anticlockwise, and the main input gear 4 rotates anticlockwise to drive the revolution gear 9 to rotate clockwise. The auxiliary electromagnetic brake is electrified to be in a braking state, the auxiliary input rotating shaft 2 does not rotate, and the sun friction wheel 11 does not rotate. The gear reduction motor 5 rotates anticlockwise to drive the spiral feeding gear 6 to rotate anticlockwise, and the spiral feeding gear 6 rotates anticlockwise to drive the gear nut 7 to rotate clockwise on the hollow screw 8. The gear nut 7 moves forward to drive the spline female part to move forward, and the spline female part moves forward to drive the revolution gear 9 to move forward. The revolution gear 9 moves forward to drive the protrusions at the front ends of the hollow rotating shafts of the four planetary friction grating cones 10 to move forward, the protrusions at the front ends of the hollow rotating shafts of the planetary friction cones 10 are pressed against steel wire grids of the friction grating cones, the conical spring steel bars of the friction grating cones are deformed through arc steel wires to enable the average radius of the positions of the spring steel bars of the four planetary friction cones 10 in static friction contact with the sun friction wheel 11 and the output friction cone hopper 12 to be reduced, the average radius of the positions of the sun friction wheel 11 in static friction contact with the conical spring steel bars of the four planetary friction cones 10 is increased, and the average half-inner diameter of the positions of the output friction cone hopper 12 in static friction contact with the conical spring steel bars of the four planetary friction cones 10 is reduced. Under the condition that the rotation speed of the main input rotating shaft 1 is unchanged and the auxiliary input rotating shaft 2 is not rotated, in a set period of time, as the average radius of the positions of the conical spring steel bars of the four planetary friction cones 10 which are in static friction contact with the four planetary friction cones 10 is increased, the average radius of the positions of the conical spring steel bars of the four planetary friction cones 10 which are in static friction contact with the sun friction wheels 11 is reduced, and the arc length of the autorotation average of the positions of the conical spring steel bars of the four planetary friction cones 10 which are in static friction contact with the sun friction wheels 11 is unchanged by the rotation of the revolution gear 9; the average arc length of the output friction cone hopper 12 which drives the conical spring steel bars of the four planetary friction cones 10 to be in static friction contact is unchanged, the average inner radius of the output friction cone hopper 12 which drives the conical spring steel bars of the four planetary friction cones 10 to be in static friction contact is reduced, and the rotating speed of the output rotating shaft 13 is increased by increasing the rotating angular speed of the output friction cone hopper 12. If the output rotating shaft 13 needs to reduce the speed, the gear reduction motor 5 rotates clockwise to drive the spiral feeding gear 6 to rotate clockwise, the spiral feeding gear 5 rotates clockwise to drive the gear nut 7 to rotate anticlockwise on the hollow screw 8, the gear nut 7 moves backwards to drive the spline female part to move backwards, and the spline female part moves backwards to drive the revolution gear 9 to move backwards. The revolution gear 9 moves backwards to drive the protrusions at the front ends of the hollow rotating shafts of the four planetary friction cones 10 to move backwards, the protrusions at the front ends of the hollow rotating shafts of the planetary friction cones 10 are pressed against steel wire grids of the friction grid cones, the conical spring steel grid bars of the friction grid cones are deformed through arc steel wires to be in static friction contact with the sun friction wheel 11 and the output friction cone hopper 12, the average radius of the conical spring steel grid bar positions of the four planetary friction cones 10 is increased, the average radius of the sun friction wheel 11 positions in static friction contact with the conical spring steel grid bars of the four planetary friction cones 10 is reduced, and the average half inner diameter of the output friction cone hopper 12 positions in static friction contact with the conical spring steel grid bars of the four planetary friction cones 10 is increased. Under the condition that the rotation speed of the main input rotating shaft 1 is unchanged and the auxiliary input rotating shaft 2 is not rotated, in a set period of time, as the average radius of the sun friction wheel 11 in static friction contact with the conical spring steel bars of the four planetary friction cones 10 is reduced, the average radius of the conical spring steel bars of the four planetary friction cones 10 in static friction contact with the sun friction wheel 11 is increased, and the arc length of the autorotation average of the conical spring steel bars of the four planetary friction cones 10 in static friction contact with the sun friction wheel 11 is unchanged by the rotation of the revolution gear 9; the average arc length of the output friction cone hopper 12 which drives the conical spring steel bars of the four planetary friction cones 10 to be in static friction contact is unchanged, the average inner radius of the output friction cone hopper 12 which drives the conical spring steel bars of the four planetary friction cones 10 to be in static friction contact is increased, and the rotating angular speed of the output friction cone hopper 12 is reduced to reduce the rotating speed of the output rotating shaft 13. If the output rotating shaft 13 needs to be further reduced in speed, the power supply to the auxiliary electromagnetic brake is stopped, the auxiliary electromagnetic brake is in a power-off and loosening state, the permanent magnet synchronous motor is in a power-generating and braking state, the main input rotating shaft 1 rotates anticlockwise to drive the revolution gear 9 to rotate clockwise, the revolution gear 9 rotates clockwise to drive the planetary friction cone 10 to rotate clockwise, the planetary friction cone 10 rotates clockwise to drive the output friction cone bucket 12 to rotate clockwise, and the output friction cone bucket 12 rotates clockwise to enable the output rotating shaft 13 to rotate clockwise. The planetary friction cone 10 rotates clockwise to drive the sun friction wheel 11 to rotate clockwise, so that the speed of the planetary friction cone 10 rotating clockwise is reduced, the speed of the output friction cone 12 rotating clockwise is reduced, and the speed of the output friction cone 12 rotating clockwise is reduced, so that the speed of the output rotating shaft 13 rotating clockwise is also reduced. The engine speed can be reduced by 20% by reducing the throttle, and the efficiency of corresponding power generation can be reduced during low-speed operation. On urban roads with multiple traffic lights and traffic jams, the automobile runs in a pure electric mode: the main electromagnetic brake is electrified to be in a braking state, the auxiliary electromagnetic brake is in a power-off releasing state, and the permanent magnet synchronous motor drives the auxiliary input rotating shaft 2 to rotate anticlockwise so as to enable the sun friction wheel 11 to rotate anticlockwise. The gear reduction motor 5 rotates anticlockwise to drive the spiral feeding gear 6 to rotate anticlockwise, and the spiral feeding gear 6 rotates anticlockwise to drive the gear nut 7 to rotate clockwise on the hollow screw 8. The gear nut 7 moves forward to drive the spline female part to move forward, and the spline female part moves forward to drive the revolution gear 9 to move forward. The revolution gear 9 moves forward to drive the protrusions at the front ends of the hollow rotating shafts of the four planetary friction cones 10 to move forward, the protrusions at the front ends of the hollow rotating shafts of the planetary friction cones 10 are pressed against steel wire grids of the friction cones, conical spring steel bars of the friction cones are deformed to be in static friction contact with the sun friction wheel 11 and the output friction cone hopper 12 through arc steel wires, the average radius of the spring steel bars of the four planetary friction cones 10 in static friction contact with the sun friction wheel 11 and the output friction cone hopper 12 is reduced, the average radius of the sun friction wheel 11 in static friction contact with the spring steel bars of the four planetary friction cones 10 is increased, and the average half inner diameter of the output friction cone hopper 12 in static friction contact with the conical spring steel bars of the four planetary friction cones 10 is reduced. Under the condition that the main input rotating shaft 1 does not rotate and the rotating speed of the auxiliary input rotating shaft 2 is unchanged, in a set period of time, the average arc length of the rotation of the position of the sun friction wheel 11 in static friction contact with the conical spring steel bars of the four planetary friction cones 10 is increased, and the arc length of the rotation of the position of the sun friction wheel 11 in static friction contact with the conical spring steel bars of the four planetary friction cones 10 is increased. Since the average radius of the sun friction wheel 11 position in static friction contact with the conical spring steel bars of the four planetary friction cones 10 is increasing, while the average radius of the conical spring steel bars of the four planetary friction cones 10 in static friction contact with the sun friction wheel 11 is decreasing, the average arc length of the spring steel bars of the four planetary friction grid cones 10 in static friction contact with the sun friction wheel 11 is increased by the rotation of the sun friction wheel 11, the average arc length of the output friction cone 12 position in static friction contact with the conical spring steel bars of the four planetary friction cones 10 is increased, the average inner radius of the output friction cone 12 position in static friction contact with the conical spring steel bars of the four planetary friction cones 10 is decreased, and the rotation speed of the output rotation shaft 13 is increased by the increase of the angular velocity of the output friction cone 12. If the output rotating shaft 13 needs to reduce the speed, the gear reduction motor 5 rotates clockwise to drive the spiral feeding gear 6 to rotate clockwise, and the spiral feeding gear 6 rotates clockwise to drive the gear nut 7 to rotate anticlockwise on the hollow screw 8. The gear nut 7 moves backwards to drive the spline female part to move backwards, and the spline female part moves towards steel to drive the revolution gear 9 to move backwards. The revolution gear 9 moves backwards to drive the protrusions at the front ends of the hollow rotating shafts of the four planetary friction grating cones 10 to move backwards, the protrusions at the front ends of the hollow rotating shafts of the planetary friction cones 10 press against the steel wire grating of the friction grating cones, and the conical spring steel grating bars of the friction grating cones are deformed to be in static friction contact with the sun friction wheel 11 and the output friction cone hopper 12 through arc steel wires. The average radius of the spring steel bars of the four planetary friction grid cones 10 in static friction contact with the sun friction wheel 11 and the output friction cone hopper 12 is increased, the average radius of the sun friction wheel 11 in static friction contact with the conical spring steel bars of the four planetary friction cones 10 is reduced, and the average half inner diameter of the output friction cone hopper 12 in static friction contact with the conical spring steel bars of the four planetary friction cones 10 is increased. Under the condition that the main input rotating shaft 1 does not rotate and the rotating speed of the auxiliary input rotating shaft 2 is unchanged, in a set period of time, the average arc length of the sun friction wheel 11 in static friction contact with the conical spring steel bars of the four planetary friction cones 10 is reduced, the sun friction wheel 11 drives the arc length of the rotation of the spring steel bars of the four planetary friction grid cones 10 to be reduced, the sun friction wheel 11 rotates to reduce the average arc length of the conical spring steel bars of the four planetary friction cones 10 in static friction contact with the sun friction wheel 11, the average arc length of the output friction cone bucket 12 in static friction contact with the conical spring steel bars of the four planetary friction cones 10 is reduced, the average inner radius of the output friction cone bucket 12 in static friction contact with the conical spring steel bars of the four planetary friction cones 10 is increased, and the rotating angular speed of the output friction cone bucket 12 is reduced to reduce the rotating speed of the output rotating shaft 13. The rotation speed of the permanent magnet synchronous motor can be reduced by 40%, and the efficiency of corresponding power generation can be reduced during low-speed operation. The sun friction wheel 11 and the conical spring steel grid bar rotation of the four planetary friction cones 10 belong to rolling static friction transmission, and the conical spring steel grid bar rotation of the four planetary friction cones 10 and the output friction cone hopper 12 belong to rolling static friction transmission, and the rolling static friction transmission has no mechanical abrasion and no energy loss. The output torque is reduced during acceleration and increased during deceleration, and the full-power stepless speed change is realized by adjusting the radius of the static friction contact position of the conical spring steel bars of the four planetary friction cones 10, the sun friction wheel 11 and the output friction cone hopper 12.

Claims (2)

1. The hybrid continuously variable transmission is characterized in that: the hybrid power stepless speed changer consists of an engine, an electromagnetic clutch, a main input rotating shaft (1), a main electromagnetic brake, a main input gear (4), a permanent magnet synchronous motor, an auxiliary input rotating shaft (2), an auxiliary electromagnetic brake, a rear end cover (3), a gear reduction motor (5), a spiral feeding gear (6), a hollow screw (8), a gear nut (7), a spline, a front ball bearing, a rear ball bearing, a revolution gear (9), a planetary friction cone (10), a sun friction wheel (11), an output friction cone (12), an output rotating shaft (13), a shell (14) and a front end cover (15); the engine rotating shaft is connected with the main input rotating shaft (1) through an electromagnetic clutch, and a main electromagnetic brake is arranged on the main input rotating shaft (1); the main input rotating shaft (1) passes through a bearing on a small hole on the rear end cover (3) forwards, the main input gear (4) is arranged behind the bearing, which is arranged on the small hole on the rear end cover (3), of the permanent magnet synchronous motor, the rotating shaft is connected with the auxiliary input rotating shaft (2) through a coupler, the rear section of the auxiliary input rotating shaft (2) is provided with an auxiliary electromagnetic brake, the front end center hole of the rear end cover (3) is provided with a hollow screw (8), the hollow screw (8) is screwed with a gear nut (7), the gear reducing motor (5) is arranged outside the rear end cover (3), the rotating shaft of the gear reducing motor (5) passes through a bearing on the small hole on the rear end cover (3) forwards and is provided with a spiral feeding gear (6), the spiral feeding gear (6) is meshed with a gear nut (7), the hollow screw (8) is in the same body as a hollow male part of a spline, the hollow male part of the spline is provided with a hollow screw tooth, the female part of the spline is sleeved on the hollow male part of the spline, the front end of the female part is provided with a front ball bearing, the front end of the gear nut (7) is arranged on the rear ball bearing through an inner clamping spring, the rear ball bearing of the female part is arranged on the rear ball bearing, the rear ball bearing of the female part (9) is meshed with the front ball spring, the front end of the female part (9) is meshed with the planetary gear (10) through the planetary gear (10), the front ball bearings of the four friction bearings (10) are meshed with the front ball bearings (10), the front end of a hollow rotating shaft of the planetary friction cone (10) is provided with two symmetrical isosceles trapezoid bulges in longitudinal section, a friction grating cone of the planetary friction cone (10) is arranged at the front section of the hollow rotating shaft of the planetary friction cone (10), the rotating shaft of the friction grating cone is inserted into the hollow rotating shaft of the planetary friction cone (10), return springs are arranged in the hollow rotating shaft of the planetary friction cone (10) and the rotating shaft of the friction grating cone, the front ends of conical spring steel bars of the friction grating cone are fixed at the front large steel ring, the rear ends of the conical spring steel bars of the friction grating cone are fixed at the rear large steel ring, the front ends of the steel bars of the friction grating cone are fixed at the front small steel ring, the front small steel ring and the front small steel ring are fixed at the front section of the rotating shaft of the friction grating cone through radial wires, gaps with set distances are arranged between the steel bars of the friction grating cone and the rotating shaft of the friction grating cone, the conical spring steel bars of the friction grating cone and the friction grating cone are the same in number, the conical spring steel bars of the friction grating cone and the steel bars of the friction grating cone are gradually filled with the arc-shaped steel bars between the conical spring steel bars and the steel grating cone; the middle section of the auxiliary input rotating shaft (2) sequentially passes through a bearing and a hollow screw (8) on a central hole of the rear end cover (3) forwards, a solar friction wheel (11) is arranged at the front section of the auxiliary input rotating shaft (2), the solar friction wheel (11) is in a round table shape, the outer diameter of the front end of the solar friction wheel (11) is larger than that of the rear end of the solar friction wheel (11), the surface of the solar friction wheel (11) is in a stripe shape, four planetary friction cones (10) are arranged outside the solar friction wheel (11), an output friction cone (12) is arranged at the rear end of the output rotating shaft (13), the inner surface of the output friction cone (12) is in a stripe shape, the output friction cone (12) is sleeved outside the four planetary friction cone cones (10), namely, the four planetary friction cones (10) extend into a gap between the output friction cone (12) and the solar friction wheel (11), the gap between the output friction cone (12) and the solar friction wheel (11) is an annular groove with an isosceles trapezoid cross section, the front end of the auxiliary input rotating shaft (2) is provided with a central bearing, the bearing is arranged on the bearing seat of the central bearing, the four small holes are arranged on the bearing seat, the front end of the central bearing is provided with the four small holes, the small holes are inserted into the front end cover (13) of the front end cover (2) through the front end cover (2), the small end cover is arranged on the small end cover (15), engine oil is injected into the housing (14).
2. The control method of a hybrid continuously variable transmission according to claim 1, characterized in that: on highways, automobiles run in a hybrid mode: starting an engine, electrifying an electromagnetic clutch, connecting an engine rotating shaft with a main input rotating shaft (1), and enabling a main electromagnetic brake to be in a power-off and loosening state, wherein the engine drives the main input rotating shaft (1) to rotate anticlockwise, and a main input gear (4) rotates anticlockwise to drive a revolution gear (9) to rotate clockwise; the auxiliary electromagnetic brake is in a power-off and releasing state, and the permanent magnet synchronous motor drives the auxiliary input rotating shaft (2) to rotate anticlockwise so that the sun friction wheel (11) rotates anticlockwise; the gear reducing motor (5) rotates anticlockwise to drive the spiral feeding gear (6) to rotate anticlockwise, the spiral feeding gear (6) rotates anticlockwise to drive the gear nut (7) to rotate clockwise on the hollow screw (8), the gear nut (7) moves forwards to drive the spline master to move forwards, the spline master moves forwards to drive the revolution gear (9) to move forwards, the revolution gear (9) moves forwards to drive the protrusions at the front ends of the hollow rotating shafts of the four planetary friction cones (10) to move forwards, the protrusions at the front ends of the hollow rotating shafts of the planetary friction cones (10) press against steel wire grids of the friction grid cones, conical spring steel grids of the friction grid cones are deformed through arc steel wires to be in static friction contact with the sun friction wheel (11) and the output friction cone hopper (12), the average radius of conical spring steel grids of the four planetary friction cones (10) in static friction contact with the sun friction wheel (11) is reduced, the average radius of the conical spring steel grids of the four planetary friction cones (10) is increased, the average friction radius of the conical spring steel grids of the four planetary friction cones is not increased at the average inner diameter of the rotating shafts of the sun friction cone (10) and the output friction cone hopper (12) is set at the lower half-diameter of the input section of the rotating shaft (1), the average arc length of the sun friction wheel (11) in static friction contact with the conical spring steel bars of the four planetary friction cones (10) is increased, the sun friction wheel (11) drives the arc length of the sun friction wheel to rotate at the static friction contact position of the conical spring steel bars of the four planetary friction cones (10), the average radius of the sun friction wheel (11) in static friction contact with the conical spring steel bars of the four planetary friction cones (10) is increased, the average radius of the conical spring steel bars of the four planetary friction cones (10) in static friction contact with the sun friction wheel (11) is reduced, and under the condition that the rotation speed of the revolution gear (9) is unchanged, the revolution gear (9) drives the conical spring steel bars of the four planetary friction cones (10) in static friction contact with the sun friction wheel (11) to rotate at the same average arc length; the sun friction wheel (11) rotates to enable the average arc length of the conical spring steel grid positions of the four planetary friction cones (10) in static friction contact with the sun friction wheel (11) to be increased, the average arc length of the output friction cone hopper (12) in static friction contact with the conical spring steel grid of the four planetary friction cones (10) is driven to be increased, the average inner radius of the output friction cone hopper (12) in static friction contact with the conical spring steel grid of the four planetary friction cones (10) is reduced, and the rotation angular speed of the output friction cone hopper (12) is increased to enable the rotation speed of the output rotating shaft (13) to be increased; if the output rotating shaft (13) needs to reduce the speed, the gear reducing motor (5) rotates clockwise to drive the spiral feeding gear (6) to rotate clockwise, the spiral feeding gear (6) rotates clockwise to drive the gear nut (7) to rotate anticlockwise on the hollow screw (8), the gear nut (7) moves backwards to drive the spline master piece to move backwards, the spline master piece moves backwards to steel to drive the revolution gear (9) to move backwards, the revolution gear (9) moves backwards to drive the supporting backwards of the front ends of the hollow rotating shafts of the four planetary friction cones (10), the bulges at the front ends of the hollow rotating shafts of the planetary friction cones (10) press against steel wire grids of the friction grid cones, the conical spring steel grids of the friction grid cones are deformed to be in static friction contact with the sun friction wheel (11) and the output friction cone (12) through arc steel wires, the average radius of the conical spring steel grids of the four friction cones (10) in static friction contact with the sun friction wheel (11) is increased, the average radius of the conical spring steel grids of the four friction cones (10) is set to be in the average radius of the sun friction cone (11) is increased at the lower than the average radius of the input rotating shaft (1), the average arc length of the sun friction wheel (11) in static friction contact with the conical spring steel bars of the four planetary friction cones (10) is reduced, the sun friction wheel (11) drives the arc length of the sun friction wheel to rotate at the static friction contact position of the conical spring steel bars of the four planetary friction cones (10), the average radius of the sun friction wheel (11) in static friction contact with the conical spring steel bars of the four planetary friction cones (10) is reduced, the average radius of the conical spring steel bars of the four planetary friction cones (10) in static friction contact with the sun friction wheel (11) is increased, and under the condition that the rotation speed of the revolution gear (9) is unchanged, the revolution gear (9) drives the conical spring steel bars of the four planetary friction cones (10) in static friction contact with the sun friction wheel (11) to rotate at the same arc length; the sun friction wheel (11) rotates to enable the average arc length of the conical spring steel grid positions of the four planetary friction cones (10) in static friction contact with the sun friction wheel (11) to be reduced, the average arc length of the output friction cone hopper (12) in static friction contact with the conical spring steel grid of the four planetary friction cones (10) is driven to be reduced, the average inner radius of the output friction cone hopper (12) in static friction contact with the conical spring steel grid of the four planetary friction cones (10) is increased, and the rotating angular speed of the output friction cone hopper (12) is reduced to enable the rotating speed of an output rotating shaft to be reduced; the engine speed can be reduced by 20% by adjusting the throttle, the efficiency of corresponding power generation can be reduced when the engine runs at low speed, the speed of the permanent magnet synchronous motor can be reduced by 40%, and the efficiency of corresponding power generation can be reduced when the engine runs at low speed; under the condition that the power battery is exhausted, the automobile is operated in a pure engine mode: starting an engine, electrifying an electromagnetic clutch, connecting an engine rotating shaft with a main input rotating shaft (1), and enabling a main electromagnetic brake to be in a power-off and loosening state, wherein the engine drives the main input rotating shaft (1) to rotate anticlockwise, and a main input gear (4) rotates anticlockwise to drive a revolution gear (9) to rotate clockwise; the auxiliary electromagnetic brake is electrified to be in a braking state, the auxiliary input rotating shaft (2) does not rotate, and the sun friction wheel (11) does not rotate; the gear reducing motor (5) rotates anticlockwise to drive the spiral feeding gear (6) to rotate anticlockwise, the spiral feeding gear (6) rotates anticlockwise to drive the gear nut (7) to rotate clockwise on the hollow screw (8), the gear nut (7) moves forwards to drive the spline master part to move forwards, the spline master part moves forwards to drive the revolution gear (9) to move forwards, the revolution gear (9) moves forwards to drive the protrusions at the front ends of the hollow rotating shafts of the four planetary friction cones (10) to move forwards, the average radius of the conical spring steel grid bars of the four planetary friction cones (10) in static friction contact with the sun friction wheel (11) and the output friction cone hopper (12) is reduced, the average radius of the position of the sun friction wheel (11) in static friction contact with the conical spring steel bars of the four planetary friction cones (10) is increased, the average half-inner diameter of the position of the output friction cone hopper (12) in static friction contact with the conical spring steel bars of the four planetary friction cones (10) is reduced, the average radius of the position of the sun friction wheel (11) in static friction contact with the conical spring steel bars of the four planetary friction cones (10) is increased and the average radius of the position of the conical spring steel bars of the four planetary friction cones (10) in static friction contact with the sun friction wheel (11) is reduced in a set period of time under the condition that the rotation speed of the main input rotating shaft (1) is unchanged and the auxiliary input rotating shaft (2) is not rotated, the revolution gear (9) rotates to drive the conical spring steel bars of the four planetary friction cones (10) which are in static friction contact with the sun friction wheel (11) to have unchanged autorotation average arc length; the average arc length of the output friction cone hopper (12) which is in static friction contact with the conical spring steel bars of the four planetary friction cones (10) is unchanged, the average inner radius of the output friction cone hopper (12) which is in static friction contact with the conical spring steel bars of the four planetary friction cones (10) is reduced, and the rotating speed of the output rotating shaft (13) is increased due to the increase of the rotating angular speed of the output friction cone hopper (12); if the output rotating shaft (13) needs to reduce the speed, the gear reducing motor (5) rotates clockwise to drive the spiral feeding gear (6) to rotate clockwise, the spiral feeding gear (5) rotates clockwise to drive the gear nut (7) to rotate anticlockwise on the hollow screw (8), the gear nut (7) moves backwards to drive the spline master piece to move backwards, the spline master piece moves backwards to drive the revolution gear (9) to move backwards, the revolution gear (9) moves backwards to drive the bulges at the front ends of the hollow rotating shafts of the four planetary friction cones (10), the average radius of the positions of conical spring steel bars in static friction contact with the sun friction wheel (11) and the output friction cone hopper (12) of the four planetary friction cones (10) is increased, the average radius of the positions of the sun friction wheel (11) in static friction contact with the conical spring steel bars of the four planetary friction cones (10) is reduced, the average half-diameter of the positions of the output friction cone hopper (12) in static friction contact with the conical spring steel bars of the four planetary friction cones (10) is increased, the average radius of the positions of the sun friction wheel (11) is reduced at the time when the main rotating shaft (1) and the output friction cone (10) are not set, the average radius of friction is reduced at the average radius of the rotating shaft (2) of the rotating shafts of the four planetary friction cones is not set, the average radius of the conical spring steel grid positions of the four planetary friction cones (10) in static friction contact with the sun friction wheel (11) is increased, and revolution of the revolution gear (9) drives the autorotation average arc length of the conical spring steel grid positions of the four planetary friction cones (10) in static friction contact with the sun friction wheel (11) to be unchanged; the average arc length of the output friction cone hopper (12) which is in static friction contact with the conical spring steel bars of the four planetary friction cones (10) is unchanged, the average inner radius of the output friction cone hopper (12) which is in static friction contact with the conical spring steel bars of the four planetary friction cones (10) is increased, and the rotating speed of the output rotating shaft (13) is reduced due to the reduction of the rotating angular speed of the output friction cone hopper (12); if the output rotating shaft (13) needs to be further reduced in speed, stopping supplying power to the auxiliary electromagnetic brake, enabling the auxiliary electromagnetic brake to be in a power-off and releasing state, enabling the permanent magnet synchronous motor to be in a power-generating and braking state, enabling the main input rotating shaft (1) to rotate anticlockwise to drive the revolution gear (9) to rotate clockwise, enabling the planetary friction cone (10) to rotate clockwise when the revolution gear (9) rotates clockwise, enabling the planetary friction cone (10) to rotate clockwise to drive the output friction cone hopper (12) to rotate clockwise, and enabling the output friction cone hopper (12) to rotate clockwise to enable the output rotating shaft (13) to rotate clockwise; the planetary friction cone (10) rotates clockwise to drive the sun friction wheel (11) to rotate clockwise, so that the speed of the planetary friction cone (10) rotating clockwise is reduced, the speed of the output friction cone hopper (12) rotating clockwise is reduced, and the speed of the output friction cone hopper (12) rotating clockwise is reduced, so that the speed of the output rotating shaft (13) rotating clockwise is also reduced; the engine speed can be reduced by 20% by adjusting the throttle, and the efficiency of corresponding power generation in low-speed operation can be reduced; on urban roads with multiple traffic lights and traffic jams, the automobile runs in a pure electric mode: the main electromagnetic brake is electrified to be in a braking state, the auxiliary electromagnetic brake is in a power-off releasing state, and the permanent magnet synchronous motor drives the auxiliary input rotating shaft (2) to rotate anticlockwise so that the sun friction wheel (11) rotates anticlockwise; the gear reducing motor (5) rotates anticlockwise to drive the spiral feeding gear (6) to rotate anticlockwise, the spiral feeding gear (6) rotates anticlockwise to drive the gear nut (7) to rotate clockwise on the hollow screw (8), the gear nut (7) moves forwards to drive the spline female part to move forwards, the spline female part moves forwards to drive the revolution gear (9) to move forwards, the revolution gear (9) moves forwards to drive the protrusions at the front ends of the hollow rotating shafts of the four planetary friction cones (10) to move forwards, the protrusions at the front ends of the hollow rotating shafts of the planetary friction cones (10) press against the steel wire grids of the friction grid cones, the conical spring steel grid bars of the friction grid cones are deformed through arc steel wires to be in static friction contact with the sun friction wheel (11) and the output friction cone hopper (12), the average radius of the spring steel grid bars of the four planetary friction grid cones (10) contacted with the sun friction wheel (11) and the output friction cone hopper (12) is reduced, the average radius of the sun friction wheel (11) contacted with the conical spring steel grid bars of the four planetary friction cones (10) in static friction is increased, the average half radius of the output friction cone hopper (12) contacted with the conical spring steel grid bars of the four planetary friction cones (10) in static friction is reduced, under the condition that the main input rotating shaft (1) does not rotate and the rotating speed of the auxiliary input rotating shaft (2) is unchanged, in a set time period, the average arc length of the sun friction wheel (11) in static friction contact with conical spring steel bars of the four planetary friction cones (10) is increased, the sun friction wheel (11) drives the arc length of the sun friction wheel in rotation with the conical spring steel bars of the four planetary friction cones (10) to be increased, the average radius of the sun friction wheel (11) in static friction contact with the conical spring steel bars of the four planetary friction cones (10) is increased, the average radius of the conical spring steel bars of the four planetary friction cones (10) in static friction contact with the sun friction wheel (11) is reduced, the sun friction wheel (11) rotates to increase the average arc length of the conical spring steel bars of the four planetary friction cones (10) in static friction contact with the sun friction wheel (11), the average arc length of the output friction cone hopper (12) in static friction contact with the conical spring steel bars of the four planetary friction cones (10) is increased, and the average output cone angular velocity (13) of the output cone (12) in static friction cone in static friction contact with the conical spring steel bars of the four planetary friction cones (10) is increased; if the output rotating shaft (13) needs to reduce the speed, the gear reducing motor (5) rotates clockwise to drive the spiral feeding gear (6) to rotate clockwise, the spiral feeding gear (6) rotates clockwise to drive the gear nut (7) to rotate anticlockwise on the hollow screw (8), the gear nut (7) moves backwards to drive the spline master piece to move backwards, the spline master piece moves backwards to steel to drive the revolution gear (9) to move backwards, the revolution gear (9) moves backwards to drive the bulges at the front ends of the hollow rotating shafts of the four planetary friction cones (10) to move backwards, the bulges at the front ends of the hollow rotating shafts of the planetary friction cones (10) press against steel wire grids of the friction grid cones, the conical spring steel grid strips of the friction grid cones are deformed to be in static friction contact with the sun friction wheel (11) and the output friction cone (12) through arc steel wires, the average radius of the conical spring steel grid strips of the four friction cones (10) in static friction contact with the sun friction wheel (11) is increased, the average radius of the conical spring steel strips of the four friction cone (10) is set to be in the average radius of the sun friction cone (11) is increased at the position of the input rotating shaft (1) of the static cone, the average friction cone friction speed is reduced at the average rotating speed of the input cone (2) is not set at the average rotating speed of the input cone rotating speed (1), the average arc length of the position rotation of a sun friction wheel (11) in static friction contact with conical spring steel bars of four planetary friction cones (10) is reduced, the sun friction wheel (11) drives the arc length of the rotation of the position rotation of the conical spring steel bars of the four planetary friction cones (10) to be reduced, the rotation of the sun friction wheel (11) reduces the average arc length of the position of the conical spring steel bars of the four planetary friction cones (10) in static friction contact with the sun friction wheel (11), the average arc length of the position of an output friction cone hopper (12) in static friction contact with the conical spring steel bars of the four planetary friction cones (10) is reduced, the average inner radius of the position of the output friction cone hopper (12) in static friction contact with the conical spring steel bars of the four planetary friction cones (10) is increased, and the rotation of the output cone hopper (12) is reduced to reduce the rotation speed of an output rotating shaft (13); the rotating speed of the permanent magnet synchronous motor can be reduced by 40%, and the efficiency of corresponding power generation in low-speed operation can be reduced; the sun friction wheel (11) and the spring steel grid bar rotation of the four planetary friction grid cones (10) belong to rolling static friction transmission, and the conical spring steel grid bar rotation of the four planetary friction cones (10) and the output friction cone hopper (12) belong to rolling static friction transmission, so that the rolling static friction transmission has no mechanical abrasion and no energy loss; the output torque is reduced during acceleration and increased during deceleration, and the full-power stepless speed change is realized by adjusting the radius of the static friction contact position of the conical spring steel bars of the four planetary friction cones (10), the sun friction wheel (11) and the output friction cone hopper (12).
CN202310873805.6A 2023-07-08 2023-07-08 Hybrid power stepless speed changer and control method Pending CN116906520A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310873805.6A CN116906520A (en) 2023-07-08 2023-07-08 Hybrid power stepless speed changer and control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310873805.6A CN116906520A (en) 2023-07-08 2023-07-08 Hybrid power stepless speed changer and control method

Publications (1)

Publication Number Publication Date
CN116906520A true CN116906520A (en) 2023-10-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310873805.6A Pending CN116906520A (en) 2023-07-08 2023-07-08 Hybrid power stepless speed changer and control method

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