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Telescopic decelerating and limiting wheel for mini tiller

A technology of limit wheel and micro-tiller, which is applied in the field of micro-tiller, can solve the problems that the four-wheel drive micro-tiller cannot be used normally, the downforce pressure is not suitable to be controlled, and the operation is inconvenient to use, etc., to achieve clever design and elongated push rod Effects that are fast and easy to transform

Inactive Publication Date: 2020-03-06
姜建中
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During its operation, if the tool touches the ground quickly, the engine load will be too large, causing the engine to stall and making the four-wheel drive tiller unable to work normally.
Now when operating a low-grade and low-speed four-wheel drive tiller, the operator manually and slowly presses down on the handrail to realize the tool slowly touching the ground. Inconvenience for homework

Method used

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  • Telescopic decelerating and limiting wheel for mini tiller
  • Telescopic decelerating and limiting wheel for mini tiller
  • Telescopic decelerating and limiting wheel for mini tiller

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] The elongation process of the telescopic and slow-moving limit wheel of the micro-tiller: During the operation of the four-wheel drive micro-tiller, when the rear transmission box and the tiller touch the hard ground, the tiller will generate an upward elastic force , the rear cultivating knife will move up, so that the limit wheel is suspended. The gravity of the push rod and the limit wheel acts on the push plate, which pulls the push plate to move downward, so that the hydraulic oil in the lower cavity flows upward through the gap between the push plate and the cavity inner wall and the hydraulic oil one-way flow device. Because the two passages flow at the same time, the hydraulic oil flows quickly and the push rod elongates quickly. The push rod elongates to make the roller contact the ground, and the stop push plate moves downward after the limit wheel contacts the ground, and the hydraulic oil flow in the cavity stops. At this time, the cutter enters the soil sh...

Embodiment 2

[0036] The shortening process of the telescopic and slow-moving limit wheel of the micro tillage machine: During the operation of the four-wheel drive micro tiller, when the rear transmission box and the tiller touch the soft ground, the tiller will produce a force of gravity to move down. When the limit wheel is squeezed by the ground, the limit wheel will move up, and the limit wheel will exert the extrusion force on the push plate through the push rod, and push the push plate to move upward, so that the hydraulic oil in the upper cavity passes through the push plate and the air cavity. Slits in the inner wall of the cavity flow down the cavity. The hydraulic oil one-way flow device is closed, because the hydraulic oil flows in one channel, the hydraulic oil flows slowly, and the push rod shrinks slowly. Because of the slow shortening speed of the push rod, the downward movement speed of the rear cultivator is slow. In order to avoid excessive engine load, causing the engin...

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Abstract

The invention discloses a telescopic decelerating and limiting wheel for a mini tiller. The telescopic decelerating and limiting wheel comprises a limiting rod, a limiting wheel and a telescopic decelerating component. The telescopic decelerating and limiting wheel has a function of controlling slow upward movement and rapid downward movement of the limiting wheel; after the telescopic decelerating and limiting wheel is mounted on a four-wheel-drive mini tiller, the four-wheel-drive mini tiller can slowly move a cutter downwards and rapidly move the cutter upwards while running in a slow speed; therefore, frequent engine stalling caused by misoperation when existing four-wheel-drive mini tillers run in a slow speed is avoided. After the telescopic decelerating and limiting wheel for the mini tiller is applied to the four-wheel-drive mini tiller, operations of the four-wheel-drive mini tiller are simplified, and the labor intensity of operators is reduced.

Description

【Technical field】 [0001] The invention relates to the technical field of micro-tillers, in particular to a telescopic slow-moving limiting wheel of a micro-tiller. 【Background technique】 [0002] The four-wheel drive tiller includes: a front-drive four-wheel tiller and a rear-drive four-wheel tiller. The front-drive four-wheel tiller: the traction wheel is socketed on the power output shaft of the front-drive device, and the cutter is socketed on the power output shaft of the rear-drive device; the rear-drive four-wheel tiller: the tool sleeve Connected on the power output shaft of the front drive device, the traction road wheel is sleeved on the power output shaft of the rear drive device. Usually, the front or rear side of the cutter is provided with a limit part that can control the depth of the cutter. The limiting components include: a limiting rod and a limiting wheel. It is that a fixed limit wheel is arranged at one end of the limit rod, and the other end of the l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01B33/08
CPCA01B33/082
Inventor 姜建中
Owner 姜建中
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