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Eccentric mechanism capable of achieving continuous amplitude adjustment in motion

A technology of adjusting the amplitude and eccentric mechanism, which is applied in the direction of transmission, mechanical equipment, belt/chain/gear, etc. It can solve the problem of inability to continuously adjust the movement amplitude, and achieve the effects of low cost, low energy consumption and low failure rate.

Pending Publication Date: 2017-05-24
济南天辰试验机制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide an eccentric mechanism capable of continuously adjusting the range during motion, which can solve the problem that the traditional eccentric mechanism cannot realize continuous adjustment of the motion range during motion

Method used

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  • Eccentric mechanism capable of achieving continuous amplitude adjustment in motion
  • Eccentric mechanism capable of achieving continuous amplitude adjustment in motion
  • Eccentric mechanism capable of achieving continuous amplitude adjustment in motion

Examples

Experimental program
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Effect test

Embodiment 1

[0024] see figure 1 , figure 2 , an eccentric mechanism capable of continuously adjusting amplitude during motion, installed on a sine wave fatigue testing machine, used for four-point bending fatigue life test of asphalt mixture, including a driving shaft, an inclined shaft 13, a shaft sleeve 14 and an inclined sleeve 5; The driving shaft is disconnected from the middle to form a left half shaft 12 and a right half shaft 16, the left half shaft 12 and the right half shaft 16 have the same axis, and the oblique shaft 13 is connected between the left half shaft 12 and the right half shaft 16, The axis 17 of the oblique shaft intersects the axis 10 of the driving shaft, and the angle between the two is α; the oblique sleeve 5 is provided with an oblique through hole through which the oblique shaft 13 passes, and the oblique shaft 13 can pass through the oblique through hole. The oblique through hole in the sleeve 5 slides; the shaft sleeve 14 is rotatably connected to the obli...

Embodiment 2

[0033] see image 3 , Figure 4 , an eccentric mechanism capable of continuously adjusting the range in motion, its shaft sleeve 14 and one end of the guide rod 2 are hinged through a pin shaft 23 and a connecting block 24, the connecting block 24 is fixedly connected to the shaft sleeve 14, and the end of the guide rod 2 The other end is connected with the actuator 1, and the guide rod 2 can move linearly along the plane perpendicular to the axis 10 of the driving shaft.

[0034] The driving mechanism 19 of the present embodiment is an air cylinder / oil cylinder, and the air cylinder / oil cylinder is connected on the frame 6 by a connecting frame, and the rod end of the piston rod 22 of the air cylinder / oil cylinder is connected on the right support 18; the piston rod 22 of the air cylinder / oil cylinder drives Left support 9, right support 18, slide plate 8 move together. The rest of the structure is the same as that of Embodiment 1, and will not be repeated here.

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Abstract

The invention discloses an eccentric mechanism capable of achieving continuous amplitude adjustment in motion. The eccentric mechanism comprises a driving shaft, an inclined shaft, a shaft sleeve and an inclined sleeve; the driving shaft comprises a left half shaft and a right half shaft which share one axis, the inclined shaft is connected between the left half shaft and the right half shaft, the axis of the inclined shaft crosses with the axis of the driving shaft, and the included angle alpha between the inclined shaft and the driving shaft is 1 degree to 15 degrees; an inclined through hole is formed in the inclined sleeve, and the inclined shaft penetrates the inclined through hole and can slide along the inclined through hole; the shaft sleeve is rotationally connected to the inclined sleeve; and the driving shaft is driven by a driving mechanism and can slide in the axial direction of the driving shaft. By means of the technical scheme, even though the driving shaft is in the rotation state, the driving mechanism can drive a sliding plate to further drive a main shaft to slide in the axial direction of the driving shaft, and therefore the driving shaft drives the inclined shaft to move to generate relative displacement with respect to the inclined sleeve, the eccentric distance a is adjusted, the aim of adjusting the distance of up-and-down reciprocating motion of the shaft sleeve in real time is achieved, and the problem that a traditional eccentric mechanism cannot achieve continuous amplitude adjustment in motion is solved.

Description

technical field [0001] The invention relates to an eccentric mechanism, in particular to an eccentric mechanism capable of continuously adjusting the range during motion. Background technique [0002] As a mechanical structure, the eccentric mechanism is widely used in many industries because of its simple structure and strong operability. Most of the eccentric mechanisms in the prior art are of fixed amplitude, such as the crankshaft; there are also some mechanisms with adjustable amplitude, but because the power shaft is rotating, it is impossible to install a real-time adjustable mechanism to adjust the eccentric amplitude in real time. The operating range is adjusted by adjusting the eccentric distance when the operation is stopped, so it is impossible to realize the real-time adjustment of the eccentric range during the movement of the eccentric mechanism, and it cannot meet the needs of the equipment for amplitude adjustment during operation. Announcement No. 54 of 20...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H21/18
CPCF16H21/18
Inventor 王立刚徐赵辉程营超
Owner 济南天辰试验机制造有限公司
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