Semi-cylindrical branch pressing and fixing device

Abstract

The invention discloses a semi-cylindrical branch pressing and fixing device and belongs to the technical field of improved-variety breeding appliances of trees. The semi-cylindrical branch pressing and fixing device comprises two semi-cylinders, a cylindrical head, a combiner, a flange connection rod, a pressing plate with a sleeve ring, a tensioning wrench and a vertical wedge, wherein a plurality of semi-grooves are formed in the semi-cylinders; a vertical plate is arranged on the inner side of one side without semi-grooves of each semi-cylinder; threads are formed in the outer sides of theupper ends and the lower ends of the semi-cylinders. According to the semi-cylindrical branch pressing and fixing device, the cylindrical head is mounted at the lower ends of the two semi-cylinders;the combiner is mounted at the upper ends of the two semi-cylinders; the flange connection rod is mounted in the two semi-cylinders which are combined together; a cylindrical rod is connected with a plurality of flange plates; threads are arranged at the upper part of the cylindrical rod; when the cylindrical rod is pulled up, the flange plates extend out of the semi-grooves; the sleeve ring of the pressing plate sleeves the semi-cylinders; inner threads of the threaded hole of the tensioning wrench are matched with the threads of the cylindrical rod of the flange connection rod; a gasket is also arranged; the fixing device is capable of fixing branches of stock plants of trees on the soil surface and preventing the branches of the stock plants from being pulled up; the requirements on branch-pressing seedling cultivation can be met.

Description

technical field [0001] The invention relates to the technical field of tree seed breeding equipment, and belongs to a tree layering and seedling raising device, in particular to a semi-cylindrical layering fixer. Background technique [0002] Layering propagation can use the branches of trees to produce new plants, the propagation speed is fast, and the new plants can fully maintain the excellent traits of the mother plant, which is of great significance to the breeding of improved trees. At present, the actual operation of layering propagation is mostly to press the branches of the mother plant with soil on the surface of the land to prevent the branches from bouncing and to fix the branches. But the branches of most trees have a certain degree of elasticity. If there is less soil pressed, the branches of the mother plant cannot be pressed; if there is too much soil, it will affect the germination of buds on the branches; Soil is also difficult. The whole layering opera...

AI Technical Summary

Problems solved by technology

But the branches of most trees have a certain degree of elasticity. If there is less soil pressed, the branches of the mother plant cannot be pressed; if there is too much soil, it will affect the germination of buds on the branches; Soil is also difficult

The entire beading operation process is laborious and time-consuming

At present, some people use tree branches to cut into stakes to fix the branches of the mother plant. The actual operation requires suitable branches as materials, and the branches need to be cut into stakes one by one. The whole operation process is also laborious and time-consuming, especially for fixing the mother plant with stakes The effect of the branches is poor: the stakes will be pulled up by the branches of the mother plant in rainy days; the stakes cut from fresh branches will be pulled up when the wood dries and shrinks; If the skin rots, the stake will also be pulled up; because the stake inserted into the soil is fixed by the friction between its vertical surface and the soil, the force of this friction is limited and affected by many factors will decrease

Due to the problem of fixing the branches of the mother plant, the current layering propagation of trees is limited to a small area, and it is impossible to reproduce and raise seedlings in large quantities

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