A gear transmission device and method for adaptive variable support stiffness

A technology of supporting rigidity and gear transmission, applied in transmission parts, belts/chains/gears, instruments, etc., can solve the problems of reducing gear life and transmission accuracy, affecting equipment reliability, system impact, etc., and reducing vibration and noise. , Improve the range of stable operating conditions and improve the effect of system life

Active Publication Date: 2021-04-02
CHANGZHOU INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Due to the unstable working conditions when the system is running, there is an impact problem in the system, which will significantly reduce the life of the gear and the transmission accuracy, thereby affecting the reliability of the equipment.

Method used

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  • A gear transmission device and method for adaptive variable support stiffness
  • A gear transmission device and method for adaptive variable support stiffness
  • A gear transmission device and method for adaptive variable support stiffness

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Embodiment Construction

[0040] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0041] image 3 It is an assembly drawing of a first-stage gearbox with adjustable support stiffness, and its external structure mainly includes main components such as a cover plate, a box body, an input shaft, and an output shaft.

[0042] Figure 4 The exploded view of the gearbox is mainly composed of three parts: the driving gear-shaft system, the driven gear-shaft system and the box assembly. Among them, the drive gear-shaft system includes a seal seat 3, a seal ring 4, a damping U-shaped seat 5, a drive shaft bearing 6, a drive gear shaft 7, and a drive gear 8; the driven gear-shaft system includes a driven shaft bearing 9, a slave Driven gear shaft 10 and driven gear 11 etc. The box assembly is composed of a base 1 and an upper cover 2 . The gear transmission device with self-adaptive variable support stiffness of the present invention comprises a...

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Abstract

The invention discloses a gear transmission device and method with self-adaptive variable supporting rigidity. The device comprises a driving gear shaft and a driven gear shaft, a driving gear is installed on the driving gear shaft, driving shaft bearings are installed at the positions, on the two sides of the driving gear, of the driving gear shaft correspondingly, damping U-shaped seats are installed on the outer rings of the driving shaft bearings, each damping U-shaped seat comprises an inner ring and an outer ring, the inner rings are sunken inwards relative to the outer rings, the innerring and the driving shaft bearing are assembled together, a concave annular mounting groove is formed in the outer side of each outer ring, a sealing ring is arranged in each mounting groove, the damping U-shaped seat is fixedly sleeved with a sealing seat through the outer ring, and the sealing seats, the sealing rings and the damping U-shaped seats jointly form a closed space; and hydraulic oilis introduced into the closed space through an oil pipe joint mounting hole in the sealing seat. The stable operation condition range of the system can be remarkably widened, the transmission precision can be improved, vibration and noise are reduced, the service life of the system is prolonged, and the reliability of an equipment system is guaranteed.

Description

technical field [0001] The invention relates to a gear transmission device and method, in particular to a gear transmission device and method with adjustable support stiffness. Background technique [0002] In a gear drive system, gears are mounted on shafts with bearings, which in turn are mounted on gearboxes with bearings. At this time, the supporting stiffness of the gear mainly depends on the stiffness of the shaft and the stiffness of the bearing. The support stiffness will affect the meshing force between the gear teeth, and has a great influence on the motion stability of the gear transmission system, the load distribution and load sharing characteristics between the gear teeth. [0003] For a transmission system with single-stage gear transmission and constant support stiffness, under some operating parameters such as speed and load, it will cause a large impact load between the teeth meshing, which will affect the vibration and noise of the system and the fatigue ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H57/022F16H57/028G06F30/23G06F119/14
CPCF16H57/022F16H57/028
Inventor 盛冬平李晓贞徐红丽门艳钟何亚峰
Owner CHANGZHOU INST OF TECH
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