CN-121977056-A - Single-stage speed difference variable speed energy storage transfer type gear transmission self-adaptive continuously variable transmission

CN121977056ACN 121977056 ACN121977056 ACN 121977056ACN-121977056-A

Abstract

The invention discloses a single-stage speed-difference speed-change energy-storage transfer type gear transmission self-adaptive stepless speed changer, which comprises an input shaft, an output shaft, a planet carrier, planet gears, a sun gear, an outer gear ring, a transmission gear, a connecting shaft and an energy-storage transfer case, wherein at least two planet gears form a planetary gear set, the sun gear, the planetary gear set and the outer gear ring jointly form a planetary gear mechanism, the input shaft is connected with the planetary gear set through the planet carrier and synchronously rotates, the output shaft is coaxially and fixedly connected with the sun gear and synchronously rotates, the transmission gear is meshed with the outer wall of the outer gear ring, one end of the connecting shaft is coaxially and fixedly connected with the transmission gear, and the other end of the connecting shaft is coaxially and fixedly connected with a crankshaft of the energy-storage transfer case. The invention has the advantages of smaller load, automatic acceleration and reduced torque, and conversely, the invention has the purpose of larger torque.

Inventors

YAO CHANGSHUI
XU YONGQING

Assignees

姚长水

Dates

Publication Date: 20260505
Application Date: 20220402

Claims (4)

1. The utility model provides a single-stage speed differential variable speed energy storage transfer formula gear drive self-adaptation continuously variable transmission, includes input shaft, output shaft, planet carrier, planetary gear, sun gear, external gear circle, conduction gear, connecting axle, energy storage transfer case, its characterized in that: The planetary gear is at least two, a planetary gear set is formed, the sun gear, the planetary gear set and the outer gear ring jointly form a planetary gear mechanism, the input shaft is connected with the planetary gear set through the planet carrier and rotates synchronously, the output shaft is fixedly connected with the sun gear coaxially and rotates synchronously, the transmission gear is meshed with the outer wall of the outer gear ring, one end of the connecting shaft is fixedly connected with the transmission gear coaxially, and the other end of the connecting shaft is fixedly connected with the crankshaft of the energy storage transfer case coaxially.
2. The utility model provides a second grade speed differential variable speed energy storage transfer formula gear drive self-adaptation continuously variable transmission, includes input shaft, output shaft, integral type external gear circle, one-level planet carrier, one-level planetary gear, one-level sun gear, second grade planet carrier, second grade planetary gear, second grade sun gear, conduction gear, connecting axle, energy storage transfer case, its characterized in that: The number of the first-stage planetary gears is at least two to form a first-stage planetary gear set, the number of the second-stage planetary gears is at least two to form a second-stage planetary gear set, the first-stage sun gear, the first-stage planetary gear set and the outer gear ring jointly form a planetary gear mechanism A, the second-stage sun gear, the second-stage planetary gear set and the outer gear ring jointly form a planetary gear mechanism B, the input shaft is connected with the primary planetary gear set through the primary planet carrier and synchronously rotates, the primary sun gear is connected with the secondary planetary gear set through the secondary planet carrier and synchronously rotates, the output shaft is coaxially and fixedly connected with the secondary sun gear and synchronously rotates, one end of the connecting shaft is coaxially and fixedly connected with the transmission gear, and the other end of the connecting shaft is coaxially and fixedly connected with the crankshaft of the energy storage transfer case.
3. A matching method for input power, volume compression quantity and maximum output torque of an energy storage transfer case gear transmission self-adaptive continuously variable transmission is characterized by comprising the following steps of: the power source is a motor with constant speed and constant power, and is connected with the torque sensor and the load end of the transmission; The method comprises the steps of presetting a compression ratio P, gradually increasing resistance of a load end, accelerating the rotating speed of an energy storage transfer case from zero, slowing down the rotating speed of an output shaft, increasing the value of a torque sensor until the reading value of the torque sensor is equal to the rated output torque of a motor, recording the rotating speed of the output shaft, matching the rotating speed or torque required by the load end according to the ratio of the rotating speed of the output shaft to the rotating speed of an input shaft, wherein the compression ratio P is a calibrated compression ratio, if the resistance of the load end is increased, the driving shaft of the transfer case is insufficient to rotate, the reading value of the torque sensor reaches the rated output torque, and otherwise, if the reading value of the output shaft is forced to stop rotating by the resistance, the preset compression ratio P is increased.
4. The matching method for the input power, the volume compression amount and the maximum output torque of the energy storage transfer case gear transmission self-adaptive continuously variable transmission according to claim 3, wherein the matching method is characterized by comprising the following steps of: If the rotation speed of the output shaft is greater than that of the input shaft, the compression ratio P is reduced, meanwhile, the resistance of the load end is increased, otherwise, the compression ratio P is increased, the resistance of the load end is reduced, debugging is repeated until the rotation speed of the output shaft is close to or equal to that of the input shaft, and after the torque sensor reading value is equal to the rated power of the motor, the compression ratio P is the calibrated compression ratio.

Description

Single-stage speed difference variable speed energy storage transfer type gear transmission self-adaptive continuously variable transmission Technical Field The invention relates to the technical field of automobile transmissions, in particular to an energy storage transfer type gear transmission self-adaptive continuously variable transmission. Background In vehicle engineering, the action of the transmission plays a very critical role in overall vehicle performance, whether it is driving feel, fuel economy, or cost control. There are AT, DCT, CVT on-the-market transmissions, AMT and manual MT. The AT transmission has good running quality and high reliability, but has complex technology, high cost and poor fuel economy. The dual clutch DCT has relatively low cost and good fuel economy, but the speed of gear shifting directly influences both the riding texture and the fuel economy, and the abrasion of clutch plates can lead to faster reduction of the later riding texture due to the working characteristics of the structure. CVT continuously variable transmissions are theoretically relatively smooth, and although the steel belt transmission is inefficient, the fuel economy is still best, but they are driven by friction, resulting in limited power transmission and low durability. All the above-mentioned speed changers belong to the rigid transmission, the rigid transmission needs to be realized the automatic control through implanting artificial logic promptly, can't accomplish the best matching effect of power and load. There is an urgent need for a continuously variable transmission that can achieve high torque gear transmission, which can give consideration to ride comfort, fuel economy, reliability and durability, and lower manufacturing costs. The flexible transmission can realize automatic speed change according to the input power and the load change, thereby achieving the best matching effect of power and load. The invention can be realized. Disclosure of Invention In order to overcome the technical problems, the invention discloses an energy storage transfer type gear drive self-adaptive continuously variable transmission. In order to achieve the above purpose, the present invention adopts the following technical scheme: The utility model provides a single-stage speed differential variable speed energy storage transfer formula gear drive self-adaptation continuously variable transmission, includes input shaft, output shaft, planet carrier, planetary gear, sun gear, external gear circle, conduction gear, connecting axle, energy storage transfer case, planetary gear is two at least, constitutes planetary gear set, the sun gear planetary gear set with the planetary gear mechanism is constituteed jointly to external gear circle, the input shaft passes through the planet carrier with planetary gear set connects and synchronous rotation, the output shaft with coaxial fixed connection of sun gear and synchronous rotation, conduction gear with the outer wall meshing of external gear circle, the one end of connecting axle with coaxial fixed connection of conduction gear, the other end with the coaxial fixed connection of bent axle of energy storage transfer case. The utility model provides a second grade speed differential variable speed energy storage transfer formula gear drive self-adaptation continuously variable transmission, includes input shaft, output shaft, integrative external gear circle, one-level planet carrier, one-level planetary gear, one-level sun gear, second grade planet carrier, second grade planetary gear, second grade sun gear, conduction gear, connecting axle, energy storage transfer case, one-level planetary gear is constituteed to the one-level planetary gear at least two, second grade planetary gear is constituteed two at least, one-level sun gear one-level planetary gear set external gear circle constitutes planetary gear mechanism A jointly, the second grade sun gear second grade planetary gear set external gear circle constitutes planetary gear mechanism B jointly, the input shaft passes through the one-level planet carrier with one-level planetary gear set is connected and synchronous rotation, the one-level sun gear passes through the second grade planet carrier with second grade planetary gear set is connected and synchronous rotation, the output shaft with second grade sun gear coaxial fixed connection and synchronous rotation, the one end of connecting axle with conduction gear coaxial fixed connection, the other end with energy storage transfer case's bent axle coaxial fixed connection. The invention relates to a matching method of input power, volume compression quantity and maximum output torque of an energy storage transfer gear transmission self-adaptive stepless speed changer, wherein a power source is a motor with constant speed and constant power, and a power source connecting torque sensor is connected with a load end of the speed changer; The method comprises the step