A device for crushing and excavating bamboo stumps

Abstract

A culm stump crushing excavating device comprises a driving mechanism, a core rod and a twist drill. An upper end of the core rod is connected with an output shaft of the driving mechanism. The twist drill is fixed at a lower end of the core rod. Cutting portions are arranged at a loop of a lower portion of the core rod at intervals. Each cutting portion comprises an inner end surface, an outer end surface, an upper end surface, a lower end surface and two side surfaces. Each inner end surface is fixed on the core rod. Each outer end surface is a cutting surface. A connection edge between each cutting surface and one corresponding side surface is a blade. Each cutting surface is provided with steps from top to bottom, an upper portion of each step is a vertical surface, a lower portion of each step is a horizontal surface, an inner end of the horizontal surface of the last step is connected with an upper end of the vertical surface of the adjacent next step, and a lower end of the vertical surface of the adjacent next step is connected with an outer end of the horizontal surface of the adjacent step after next. The culm stump crushing excavating device has the advantages that culm stumps are crushed thoroughly, bamboo sawdust is not easy to block the device, fluency is good, and culm stump crushing efficiency is high.

Description

technical field [0001] The invention belongs to a device for crushing and excavating bamboo shrubs. Background technique [0002] Moso bamboo that is more than 4 years old can be felled and used. After felling, a large number of bamboo stalks are left. These bamboo stalks are hard and not easy to rot. Generally, it takes more than 10 years to rot on their own, which effectively occupies the forest space. 15% of the area, and after the moso bamboo is harvested, the bamboo still relies on its tail cone and the attached bamboo roots to absorb water and oxygen from the bamboo whip and the soil to consume nutrients, reducing the quantity and quality of bamboo shoots and long bamboo. If it is not excavated in time, it will affect the output of bamboo shoots, thereby reducing the economic benefits of bamboo forests. According to the survey, the economic benefits of bamboo forests without bamboo shoots will drop by 10-20%. [0003] At present, there are mainly artificial methods, c...

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the deficiencies of the existing bamboo shredder crushing methods, such as incomplete crushing, easy blockage of bamboo chips, poor fluency, and low efficiency of bamboo shreds crushing, the present invention provides a kind of bamboo shrubs that are thoroughly crushed, not easy to block bamboo shreds, and have good fluency. Bamboo shrub crushing and excavating device with better performance and higher bamboo shrub crushing efficiency

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