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Mechanical stepless speed gear with equal angular speed and shape-position and high gear ratio

A continuously variable transmission and constant angular velocity technology, which is applied to mechanical equipment, belts/chains/gears, transmission devices, etc., can solve problems such as narrow speed range, low transmission power, and increased vibration

Inactive Publication Date: 2004-12-08
王国斌
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] For mechanical continuously variable transmissions, a large number of friction transmissions are used, which generally have the following defects: 1. It is difficult to obtain ultra-low speed output, and the speed range is relatively narrow; 2. There are defects such as small transmission torque and low transmission power; 3. Carrying capacity Low, poor overload resistance and impact resistance; 4. High requirements for parts processing and lubrication, short life, complex structure and process, high manufacturing cost; 5. Large sliding rate, low mechanical efficiency; some still have pulsating output and power flow discontinuities
However: the current pulsating continuously variable transmission has several fatal weaknesses, which restrict its development in a wider field: 1. The pulsation of the output makes it impossible to be used in occasions that require high output uniformity. And the auxiliary of the overrunning clutch cooperates with the optional flow filter to reduce the pulsation, and because of the inertia factor of the entire operating system and the overrunning effect of the overrunning clutch, the pulsation at the output end will be significantly smaller than the theoretical value, but this is only an appearance phenomenon, the actual The power flow transmission is still output in the form of pulse intervals according to the theoretical value. The discontinuity of this power flow is a major factor causing the low efficiency of the pulsating continuously variable transmission; The vibration caused by the unbalanced inertial force and inertial moment will be obviously intensified at high speed, and the dynamic load generated by it is still an important reason for the low mechanical efficiency; 3. The overrunning clutch as the output mechanism is the only one in the whole body. The friction transmission components also have a series of corresponding defects of friction transmission. They are the weak link in the power chain of the whole mechanism. Aspects of development
4. The multi-phase structure set up to reduce the pulsation will cause too many repeated constraints in the system, which will cause the machine to be sensitive to errors and working environments, reduce efficiency, increase dynamic load, and increase the number of phases. , The debugging and installation process is complicated, the failure rate increases, and the cost increases

Method used

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  • Mechanical stepless speed gear with equal angular speed and shape-position and high gear ratio
  • Mechanical stepless speed gear with equal angular speed and shape-position and high gear ratio
  • Mechanical stepless speed gear with equal angular speed and shape-position and high gear ratio

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Embodiment Construction

[0145] Figure 17 Shown is: a schematic diagram of the reciprocating zero-crossing continuously variable transmission with constant angular velocity and the same shape and position (Note 1: This diagram is a simplified diagram of the mechanism, which is only a brief description of the principle and structural layout relationship, and the components are not drawn strictly in the same direction of view , for details, please refer to the Figure 21 ; Note 2: The direction of the arrow in the figure only represents the type of motion (the curved arrow represents rotation; the straight arrow represents translation), and does not represent the specific working direction of motion). This type of transmission consists of: input shaft, output shaft, input and output rotary / reciprocating linear motion conversion mechanism, input and output speed lock pillow, input and output speed lock track, gear lever, speed control block, speed control track, screw nut It is composed of speed regula...

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Abstract

A constant angular speed and synchro-positioning mechanical stepless gear with low paired and high gearing ratio is designed as infinitely gear with equally regular characteristics on theories of constant angular speed and synchro-positioning movement and constant angular speed and iso-directional and reversal speed regulation so as to dissolve the vital problem of traditional impulsive stepless gear. No weakness in the whole driving chain has equal bearing capacity and high load and shock resistance. The spatial structural series is flexible and can have driving shaft in all the directions. Its advantages include reasonable structure, easy operation, accurate and stability, and economical efficiency. Its main gearing system works at low-paired transmission, with high loading ability and outputs torque at low speed.

Description

technical field [0001] The utility model belongs to the technical field of mechanical stepless transmission design and manufacture. Background technique [0002] Continuously variable transmission is a transmission device that can continuously and continuously change the transmission ratio. It has a wide range of applications and is especially suitable for: (1) machines with variable process parameters; (2) machines that require continuous changes in speed; (3) (4) Coordinating the operating speed among several operating units in the transmission system of several or one equipment; (5) Slow start: For machines with large inertia or starting with load, use this After the continuously variable transmission, it can start with high torque at near zero speed, and continuously change the speed to reach the rated speed under load, avoiding excessive inertial load, so that a prime mover with less power can be used. [0003] For mechanical continuously variable transmissions, a larg...

Claims

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Application Information

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IPC IPC(8): F16H29/00
CPCF16H29/00
Inventor 王国斌
Owner 王国斌
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