Angular gear

Abstract

The invention belongs to the technical field of accessories of rotary cultivators, and particularly relates to an angular gear. The angular gear solves the technical problems that the design is not reasonable enough in the prior art. The angular gear comprises a gear body, wherein a plurality of oblique teeth are circumferentially and uniformly distributed on the gear body, and a center hole is formed in an axial center of the gear body. The angular gear is characterized in that the gear body is made of plastic; a plurality of through holes positioned between the oblique teeth and the center hole and distributed circumferentially and uniformly are formed in the gear body; an annular groove is formed in one end face of the gear body; the through holes are communicated with the annular groove; and the width and the depth of the annular groove are 3-7mm. Compared with the prior art, the angular gear has the advantages that the angular gear is more reasonable in design, light in weight and simple in structure, can meet an operation requirement, and corresponds with a trend of technology development in the current society.

Description

technical field [0001] The invention belongs to the technical field of rotary tiller accessories, in particular to a helical gear. Background technique [0002] With the continuous innovation of technology, more and more rotary tillers appear on the market. The rotary tiller is a rotary tiller that is matched with a tractor to complete plowing and harrowing operations. It has been widely used because of its strong ability to crush soil and flat surface after plowing. As we all know, the gear is an important part of the transmission device. The connection mode between the gears is generally a structure in which the teeth mesh with each other. It has the advantages of high transmission ratio and good connection stability. At present, in the existing rotary tiller , the main gear is generally a difficult part to disassemble, that is to say, once the main gear is installed, it is difficult to disassemble, and the connecting gear used in conjunction with the main gear is general...

AI Technical Summary

Problems solved by technology

As we all know, the gear is an important part of the transmission device. The connection mode between the gears is generally a structure in which the teeth mesh with each other. It has the advantages of high transmission ratio and good connection stability. At present, in the existing rotary tiller , the main gear is generally a difficult part to disassemble, that is to say, once the main gear is installed, it is difficult to disassemble, and the connecting gear used in conjunction with the main gear is generally detachable. Gears are generally made of metal materials, which have the advantages of high structural strength and strong deformation resistance. However, the connecting gear has at least the following disadvantages: when used in conjunction with the main gear, because it is also made of metal materials, the first , its weight is heavy, and second, the friction between the main gear and the main gear is relatively large. Even under the normal lubrication of lubricating oil, not to mention the poor oil storage capacity of the existing connecting gear, there is still friction. After long-term use, They will all wear out, because the main gear is not easy to disassemble, which will bring some maintenance difficulties to the work. In addition, after the connecting gear wears out, it is usually replaced with a new connecting gear. This method has problems such as high cost, which is not in line with the current National Energy Conservation and Environmental Protection Policy

Of course, some people have improved in this way to increase the hardness of the gear teeth. However, this solution still fails to fundamentally solve the above problems, and it is still not easy to be popularized and applied.

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