茶樹拔根機之設計及其性能之測定試驗研究

Abstract

茶樹屬多年生之常綠喬木或灌木，適應力甚強，除過於乾旱的區域外，幾乎任何氣候均可生長。其壽命常有高達百餘年者，而經濟生產樹齡至目前尚無定論，但一般言之，約在五十年左右。 Situated on the rolling grounds and gentle slopes of Taiwan are some 10,000 ha. of tea plantations, about one-third of which, of 3,300 ha, are of degenerated ones in need of renewal. In order to speed up the renewal work by mechanical means, the study of designs on tea bush uprooting machine is necessary. The purpose of this experiment was designed an efficient and economical implement for renewing of tea bush. Its results were summarized as following: 1.The new-designed up-rooting machine mainly consists of a frame, wire rope and a group of gears.2.So far as efficiency was concerned the new-designed uprooting machine has the highest working capacity in comparison with other old-fashioned tools. 3.In comparison with the conventional method. this new-designed machine can save 1082.7 hr/ha. 4.The max. load of type A is 1,500kg. The max. load of type B is 1,000kg. The max. load of type c is 800kg.5.Mechanical advantage is from 30 to 50.