CN102823443A - Multifunctional tree trimmer - Google Patents

Abstract

The utility model relates to a multifunctional tree trimmer, which is used for trimming trees near power transmission lines. It includes scissors, saw blades, hooks, insulating rod joints and insulating pull rods. The hinged shaft of the scissors is a two-way extension structure, one side of which is extended with the tail of the saw blade and the top of the insulating rod joint. The part is fixedly connected with the hook, and the tail of the insulating rod joint is assembled with the insulating pull rod. The present invention has the characteristics of low cost and convenient use, does not require high skills of the operator, and is easy to be popularized and used; it has been proved through trial that the multi-functional tree pruner solves the problem of poor adaptability of chain saw cutting methods, and satisfies the needs of various situations. Needed for tree pruning operations near transmission lines.

Description

A kind of multifunctional tree trimmer

technical field

The invention relates to a tree trimmer, in particular to a multifunctional trimmer suitable for tree trimming near power transmission lines.

Background technique

At present, when pruning trees near the transmission line, the operation method of pulling rods and chain saws is usually used. Due to the heavy weight of the chain saw, the use height of this operation method is limited, and it is powerless for the pruning of branches more than two meters. On the other hand, when trimming trees close to the wire, the insulation performance of the chain saw cannot meet the requirements of safe production; at the same time, the chain saw also has disadvantages such as high equipment investment and use costs, and cumbersome maintenance steps. The above-mentioned reasons not only have a strong impact on the progress of tree pruning and the safety of operators, but also increase the maintenance cost of power transmission lines.

Contents of the invention

The object of the present invention is to provide a multi-functional tree trimmer with simple structure, convenient operation and safe use in view of the disadvantages of the prior art.

Problem described in the present invention is realized with following technical scheme:

A multifunctional tree trimmer, which includes scissors, saw blades, hooks, insulating rod joints and insulating pull rods, the hinge shaft of the scissors is a two-way extension structure, wherein the extension part on one side is connected to the tail of the saw blade and the joint of the insulating rod joint. The top is fixedly assembled, the extension part on the other side is fixedly connected with the hook, and the tail of the insulating rod joint is assembled with the insulating pull rod.

The above-mentioned multifunctional tree pruning device, the scissors include a fixed blade, a moving blade, a driving mechanism for the moving blade and a return spring, the fixed blade and the moving blade are hinged, and the working parts of the fixed blade and the moving blade are a half-crescent structure that matches each other. The driving mechanism of the movable blade includes a pulley, a pulley seat and a pulley, the pulley is installed on the pulley seat, the pulley seat is hinged with the tail of the movable blade, one end of the pulley is fixed on the insulating rod joint, and the other end goes around the pulley Finally, it is controlled by the operator, and the two ends of the return spring are respectively connected with the fixed blade and the movable blade.

In the above multi-functional tree trimmer, the outer edge of the saw blade is provided with a sawtooth structure, two mounting holes are provided at the tail of the saw blade, and a connecting lining is also provided at the back of the tail of the saw blade.

The above-mentioned multi-functional tree trimmer, the upper end of the insulating rod joint is provided with a tool mounting hole, the lower end is an external thread connection structure, and the outer wall of the insulating rod joint is also provided with a scissors drawstring fixing seat and a scissors moving blade limit post.

In the above multi-functional tree trimmer, the upper part of the insulating rod is provided with an internal thread connection structure, and the insulating rod is assembled with the insulating rod joint through the internal thread connection structure.

The present invention skillfully integrates the three working modes of sawing, shearing and hooking in the tree pruning process, and can complete the pruning operation of different parts of the tree; the insulating rod joint in the present invention can realize flexible disassembly and assembly of the insulating pull rod, It adapts to the requirements of different operating heights, and enables the operator to work in an insulated state, ensuring the personal safety of the operator; the invention has the characteristics of low cost and convenient use, does not require high skills of the operator, and is convenient for popularization and use. After a period of trial, it is proved that the multi-functional tree trimmer solves the problem of poor adaptability of the chain saw cutting mode, and meets the operation needs of tree trimming near the power transmission line under various conditions.

Description of drawings

The present invention will be further described below in conjunction with accompanying drawing.

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a structural diagram of the saw blade;

Fig. 3 is A-A sectional structure diagram among Fig. 2;

Fig. 4 is a scissors structural diagram;

Fig. 5 is a structural diagram of an insulating rod joint;

Fig. 6 is a structural diagram of an insulating pull rod.

The labels in the figure are: 1, saw blade, 1-1, sawtooth structure, 1-2, mounting hole, 1-3, connecting lining, 2, scissors, 2-1, fixed blade, 2-2, movable blade , 2-3, hinge shaft, 2-4, return spring, 2-5, pulley, 2-6, pulley seat, 2-7, pull rope, 3, hook, 4, insulating rod joint, 4-1, cutter Mounting hole, 4-2, stay cord fixing seat, 4-3, external thread connection structure, 4-4, scissors moving blade limit post, 5, insulating pull rod, 5-1, internal thread connection structure.

Detailed ways

Referring to Fig. 1, the present invention includes scissors 2, saw blade 1, hook 3, insulating rod joint 4 and insulating pull rod 5, and the hinge shaft 2-3 of described scissors 2 is a two-way extension structure, wherein one side extension part and saw blade 1 The tail and the top of the insulating rod joint 4 are fixedly assembled, and the extension part on the other side is fixedly assembled with the hook 3, and the tail of the insulating rod joint 4 is assembled with the insulating pull rod 5.

Referring to Fig. 4, the scissors 2 of the present invention includes a fixed blade 2-1, a moving blade 2-2, a driving mechanism for the moving blade and a return spring 2-4, the fixed blade 2-1 is hinged with the moving blade 2-2, and the fixed blade 2-1 and the working part of the movable blade 2-2 are semi-crescent structures that match each other. The driving mechanism of the movable blade includes a pulley 2-5, a pulley seat 2-6 and a stay rope 2-7. The pulley 2-5 is installed On the pulley seat 2-6, the pulley seat 2-6 is hinged with the tail of the fixed blade 2-1, and one end of the stay cord 2-7 is fixed on the insulating rod joint 4, and the other end is passed around the pulley 2-5 by Operator control. The two ends of the return spring 2-4 are respectively connected with the fixed blade 2-1 and the movable blade 2-2.

Referring to Fig. 2 and Fig. 3, a sawtooth structure 1-1 is provided on one side edge of the saw blade 1 of the present invention, two installation holes 1-2 are provided at the tail of the saw blade, and a connecting lining is also provided on the back of the tail of the saw blade 1-3.

Referring to Fig. 1, Fig. 5, Fig. 6, the upper end of the insulating rod joint 4 of the present invention is provided with a tool mounting hole 4-1, and the lower end is an external thread connection structure 4-3, and a scissors pull cord is also provided on the outer wall of the insulating rod joint to fix Seat 4-2 and scissors moving blade limit post 4-4; an internal thread connection structure 5-1 is provided on the top of the insulating pull rod 5, and the insulating pull rod 5 is assembled with the insulating rod joint 4 through the internal thread connection structure 5-1.

Referring to Fig. 1-Fig. 6, a kind of multi-functional tree pruning device, it combines several ways such as saw, shears, hook etc. that are commonly used in pruning trees, so that the pruning of trunks and branches can be performed with ease; The tree trimmer is assembled with the insulating rod 5 through the insulating rod joint 4, so that the safety performance and the operating height of the tool meet the work needs. The specific operation steps of the present invention are: when the trunk part is to be trimmed, the saw blade function of the multifunctional tree trimmer can be utilized, and the operator pulls the insulating pull rod 5 to drive the saw blade 1 to move and remove the trunk part affecting the power transmission line; When the branches are partly trimmed, the multifunctional tree trimmer scissors function can be utilized, the operator pulls the stay rope 2-7, and the moving blade 2-2 is driven by the pulley 2-5 and the pulley seat 2-6 to move, and the back-moving spring 2-2 4 is stretched, the movable blade 2-2 is engaged with the fixed blade, and the branches to be pruned are cut off. Stop applying force to stay cord 2-7, back-moving spring 2-4 resets, and movable blade 2-2 separates with fixed blade, finishes cutting action; Hook is used for auxiliary pruning action among the present invention.

Claims (5)

1. A multifunctional tree trimmer is characterized in that it includes scissors (2), saw blade (1), hook (3), insulating rod joint (4) and insulating pull rod (5); said scissors (2) ) hinge shaft (2-3) is a two-way extension structure, one side extension part is fixedly assembled with the tail of the saw blade (1) and the top of the insulating rod joint (4), and the other side extension part is fixed with the hook (3) connection, the tail of the insulating rod joint (4) is assembled with the insulating pull rod (5). 2. A multifunctional tree trimmer according to claim 1, characterized in that the scissors (2) include a fixed blade (2-1), a moving blade (2-2), a driving mechanism for the moving blade and a reset Spring (2-4); the fixed blade (2-1) and the movable blade (2-2) are hinged, and the working parts of the fixed blade (2-1) and the movable blade (2-2) are half-crescent structures that match each other The driving mechanism of the movable blade includes a pulley (2-5), a pulley seat (2-6) and a pull cord (2-7), and the pulley (2-5) is installed on the pulley seat (2-6), The pulley seat (2-6) is hinged to the tail of the fixed blade (2-1), one end of the stay rope (2-7) is fixed on the insulating rod joint (4), and the other end goes around the pulley (2-5) Finally, it is controlled by the operator; the two ends of the return spring (2-4) are respectively connected with the fixed blade (2-1) and the movable blade (2-2). 3. A multifunctional tree trimmer according to claim 2, characterized in that, the outer edge of the saw blade (1) is provided with a sawtooth structure (1-1), and there are two installations at the tail of the saw blade Holes (1-2), and connecting linings (1-3) are also provided on the back of the saw blade tail. 4. A multifunctional tree trimmer according to claim 3, characterized in that the upper end of the insulating rod joint (4) is provided with a tool installation hole (4-1), and the lower end is an external thread connection structure (4- 3), on the outer wall of the insulating rod joint, there are also scissors stay cord fixing seats (4-2) and scissors moving blade limiting posts (4-4). 5. A multifunctional tree trimmer according to claim 4, characterized in that, the upper part of the insulating pull rod (5) is provided with an internal thread connection structure (5-1), and the insulating pull rod (5) passes through the internal thread The connecting structure (5-1) is assembled with the insulating rod joint (4).

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