CN111617449A - Tree climbing device and method - Google Patents

Tree climbing device and method Download PDF

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Publication number
CN111617449A
CN111617449A CN202010449395.9A CN202010449395A CN111617449A CN 111617449 A CN111617449 A CN 111617449A CN 202010449395 A CN202010449395 A CN 202010449395A CN 111617449 A CN111617449 A CN 111617449A
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CN
China
Prior art keywords
clamp
hydraulic cylinder
clamp leg
leg
tree
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Pending
Application number
CN202010449395.9A
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Chinese (zh)
Inventor
马宗利
陈赓
王建明
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Shandong University
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Shandong University
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Publication date
Application filed by Shandong University filed Critical Shandong University
Priority to CN202010449395.9A priority Critical patent/CN111617449A/en
Publication of CN111617449A publication Critical patent/CN111617449A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B27/00Apparatus for climbing poles, trees, or the like
    • A63B27/02Climbing devices for round poles or trees attachable to the feet

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Ladders (AREA)

Abstract

The invention discloses a tree climbing device and a tree climbing method, wherein the tree climbing device comprises a first hydraulic cylinder, a first clamp leg and a second clamp leg, wherein two ends of the first hydraulic cylinder are respectively provided with a shaft, and the first clamp leg and the second clamp leg which are arranged in a crossed mode are arranged on each shaft; one end of each of the first clamp leg and the second clamp leg is semicircular, a U-shaped support is arranged at the other end of each of the first clamp leg and the second clamp leg, a vertical hole is drilled in each U-shaped support, the vertical holes are in clearance fit with the rotating shafts, the rotating shafts can freely rotate in the vertical holes, and the two ends of each second hydraulic cylinder are welded in the middle of the two rotating shafts.

Description

Tree climbing device and method
Technical Field
The invention relates to a tree climbing device and a tree climbing method.
Background
In life, branches are required to be trimmed, power transmission conductors are required to be erected, and the like, so that the operation of climbing trees is required. The manual tree climbing is tired and dangerous, and a tree climbing device is really needed to solve the working requirement.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a tree climbing device and a tree climbing method.
In order to achieve the purpose, the invention is realized by the following technical scheme:
in a first aspect, an embodiment of the present invention provides a tree climbing apparatus; the hydraulic clamp comprises a first hydraulic cylinder, a first clamp leg and a second clamp leg, wherein two ends of the first hydraulic cylinder are respectively provided with a shaft, and the first clamp leg and the second clamp leg which are arranged in a crossed mode are arranged on each shaft; one end of each of the first clamp leg and the second clamp leg is semicircular, a U-shaped support is arranged at the other end of each of the first clamp leg and the second clamp leg, a vertical hole is drilled in each U-shaped support, the vertical holes are in clearance fit with the rotating shafts, the rotating shafts can freely rotate in the vertical holes, and the two ends of each second hydraulic cylinder are welded in the middle of the two rotating shafts.
In a second aspect, the invention is based on the tree climbing device, and further provides a tree climbing method, wherein the first hydraulic cylinder is contracted to the shortest length, the two second hydraulic cylinders are extended, the left clamp leg and the right clamp leg which are arranged up and down are opened, the tree climbing device is placed under a tree, and the left clamp leg and the right clamp leg surround a trunk but are not clamped. Then controlling a second hydraulic cylinder below to contract to enable a left clamp leg and a right clamp leg at the lower end to clamp a tree trunk, controlling a first hydraulic cylinder to extend, controlling a left clamp leg and a right clamp leg at the upper end to move upwards, controlling a second hydraulic cylinder above to contract when the first hydraulic cylinder extends to the maximum, enabling the left clamp leg and the right clamp leg at the upper end to clamp the tree trunk, then extending a second hydraulic cylinder below, loosening the left clamp leg and the right clamp leg at the lower end, then contracting the first hydraulic cylinder, controlling the left clamp leg and the right clamp leg at the lower end to move upwards, controlling a second hydraulic cylinder below to contract when the first hydraulic cylinder contracts to the minimum, enabling the left clamp leg and the right clamp leg at the lower end to clamp the tree trunk, and moving the tree climbing device upwards for a certain distance integrally in the process; the climbing can be continuously performed by repeating the above operations.
The descending process comprises the steps that firstly, the upper-end clamp legs clamp the trunk, the lower-end clamp legs are loosened, the first hydraulic cylinder extends, then the lower-end clamp legs clamp the trunk, the upper-end clamp legs are loosened, the first hydraulic cylinder contracts to finish one-time descending, and the tree can descend to the ground after repeated operation.
The beneficial effects of the above-mentioned embodiment of the present invention are as follows:
the tree climbing device can climb trees easily, can climb trees with heavy objects, is not limited in tree climbing height and is high in safety. Climb up and can all easily accomplish down, utilize the device to provide convenience for carrying on work such as branch pruning.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic representation of a tree climbing apparatus according to one or more embodiments of the present disclosure.
In the figure: the spacing or dimensions between each other are exaggerated to show the location of the various parts, and the illustration is for illustrative purposes only. 1-left clamp leg, 2-right clamp leg, 3-nut, 4-small hydraulic cylinder, 5-short shaft and 6-large hydraulic cylinder.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, unless the invention expressly state otherwise, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
for convenience of description, the words "up", "down", "left" and "right" in the present invention, if any, merely indicate correspondence with up, down, left and right directions of the drawings themselves, and do not limit the structure, but merely facilitate the description of the invention and simplify the description, rather than indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
The terms "mounted", "connected", "fixed", and the like in the present invention are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; the two components can be connected mechanically or electrically, directly or indirectly through an intermediate medium, or connected internally or in an interaction relationship, and the terms used in the present invention should be understood as having specific meanings to those skilled in the art.
As described in the background, the present invention provides a tree climbing device to solve the above technical problems.
In a typical embodiment of the present invention, the tree climbing device structure is shown in fig. 1, and comprises a left clamp leg 1, a right clamp leg 2, a nut 3, a small hydraulic cylinder 4, a short shaft 5, and a large hydraulic cylinder 6; the upper end and the lower end of the large hydraulic cylinder 6 respectively extend out of a shaft, and a left clamp leg 1 and a right clamp leg 2 are arranged on the two shafts; the left clamp leg 1 at the upper end is vertically symmetrical with the left clamp leg 1 at the lower end; the right forceps leg 2 at the upper end is vertically symmetrical with the right forceps leg 2 at the lower end.
The upper pliers legs shown in the attached drawings are taken as an example for explanation; a hole is formed in the middle of the left clamp leg 1 and the right clamp leg 2, the left clamp leg 1 and the right clamp leg 2 are installed on a shaft at the upper end of a large hydraulic cylinder 6 in a crossed mode, the shaft is in clearance fit with the hole, and a nut 3 is screwed on the outermost end of the shaft to prevent the clamp legs from falling off.
The front ends of the left clamp leg 1 and the right clamp leg 2 are similar to a semicircle, and when the two clamp legs are combined together, a circle is formed approximately; the rear ends of the left tong leg 1 and the right tong leg 2 are respectively provided with a U-shaped support, a vertical hole is drilled on the U-shaped support, the vertical hole is in clearance fit with a vertically arranged short shaft 5, the short shaft 5 can freely rotate in the hole, two ends of the small hydraulic cylinder 4 are welded in the middle of the two short shafts 5, and the left tong leg 1 and the right tong leg 2 can be opened and closed by controlling the extension and retraction of the small hydraulic cylinder 4. Further, the U-shaped bracket in the embodiment, the left clamp leg 1 and the right clamp leg 2 can be integrally formed, and the U-shaped bracket and the left clamp leg can also be detachably connected through a connecting piece or welded together.
The short shaft at the lower end of the large hydraulic cylinder 6 is provided with the same clamp legs, and the upper structure and the lower structure are completely the same.
Furthermore, in the embodiment, the bottom surface of the middle part of the first clamp leg is concave, the top surface of the middle part of the second clamp leg is concave, and the parts are arranged in a crossed manner; and the holes on the left leg 1 and the right leg 2 are located in the center of the recessed portion.
Furthermore, in this embodiment, the contact surfaces of the left clamp leg 1 and the right clamp leg 2 with the trunk are made of a material with a large friction coefficient, so as to prevent the left clamp leg and the right clamp leg from slipping off due to a small friction coefficient.
And (3) climbing a tree:
the large hydraulic cylinder 6 is contracted to be the shortest, the small hydraulic cylinder 4 and the small hydraulic cylinder 7 are extended to open the left clamp leg 1 and the right clamp leg 2, then the tree climbing device is placed under a tree manually, and the tree trunk is surrounded by the left clamp leg 1 and the right clamp leg 2 but is not clamped. And then controlling the small hydraulic cylinder 7 to contract to enable the left clamp leg 1 and the right clamp leg 2 at the lower end to clamp the tree trunk, controlling the large hydraulic cylinder 6 to extend, controlling the left clamp leg 1 and the right clamp leg 2 at the upper end to move upwards, controlling the small hydraulic cylinder 4 to contract when the large hydraulic cylinder 6 extends to the longest, controlling the left clamp leg 1 and the right clamp leg 2 at the upper end to clamp the tree trunk, then extending the small hydraulic cylinder 7, loosening the left clamp leg 1 and the right clamp leg 2 at the lower end, then contracting the large hydraulic cylinder 6, enabling the left clamp leg 1 and the right clamp leg 2 at the lower end to move upwards, controlling the small hydraulic cylinder 7 to contract when the large hydraulic cylinder 6 contracts to the shortest, controlling the left clamp leg 1 and the right clamp leg 2 at the lower end to clamp the tree trunk, and moving the tree climbing device. The climbing can be continuously performed by repeating the above operations.
The descending process comprises the steps that firstly, the upper-end clamp legs clamp the tree trunk, the lower-end clamp legs are loosened, the large hydraulic cylinder 6 extends, then the lower-end clamp legs clamp the tree trunk, the upper-end clamp legs are loosened, the large hydraulic cylinder 6 contracts to finish one-time descending, and the tree trunk can descend to the ground after repeated operation.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A tree climbing device is characterized by comprising a first hydraulic cylinder, a first clamp leg and a second clamp leg, wherein two ends of the first hydraulic cylinder are respectively provided with a shaft, and the first clamp leg and the second clamp leg which are arranged in a crossed mode are arranged on each shaft; one end of each of the first clamp leg and the second clamp leg is semicircular, a U-shaped support is arranged at the other end of each of the first clamp leg and the second clamp leg, a vertical hole is drilled in each U-shaped support, the vertical holes are in clearance fit with the rotating shafts, the rotating shafts can freely rotate in the vertical holes, and the two ends of each second hydraulic cylinder are welded in the middle of the two rotating shafts.
2. The tree climbing device of claim 1, wherein the two first tong legs are vertically symmetrical.
3. The tree climbing device of claim 1, wherein the two second tong legs are vertically symmetrical.
4. The tree climbing device as claimed in claim 1, wherein the left and right clamp legs have holes in the middle, and the two clamp legs are installed on the shaft in a crossed manner, and the shaft is in clearance fit with the holes.
5. The tree climbing device of claim 1, wherein a nut is threaded onto an outermost end of the shaft.
6. The tree climbing device of claim 1, wherein the driving force of the first hydraulic cylinder is greater than the driving force of the second hydraulic cylinder.
7. The tree climbing device of claim 1, wherein the upper and lower second hydraulic cylinders are symmetrically arranged.
8. The tree climbing device of claim 1, wherein the first leg intermediate portion is recessed on a bottom surface thereof and the second leg intermediate portion is recessed on a top surface thereof, the portions being arranged in a cross-over arrangement.
9. The tree climbing device as claimed in claim 1, wherein the contact surfaces of the first and second clamp legs with the trunk are made of a material with a high friction coefficient.
10. A method for climbing a tree using the tree climbing device according to any one of claims 1 to 9, comprising:
the first hydraulic cylinder is contracted to the shortest, the two second hydraulic cylinders are extended, so that the left clamp leg and the right clamp leg which are arranged up and down are opened, the tree climbing device is placed under a tree, and the tree trunk is surrounded by the left clamp leg and the right clamp leg but is not clamped tightly; then controlling a second hydraulic cylinder below to contract to enable a left clamp leg and a right clamp leg at the lower end to clamp a tree trunk, controlling a first hydraulic cylinder to extend, controlling a left clamp leg and a right clamp leg at the upper end to move upwards, controlling a second hydraulic cylinder above to contract when the first hydraulic cylinder extends to the maximum, enabling the left clamp leg and the right clamp leg at the upper end to clamp the tree trunk, then extending a second hydraulic cylinder below, loosening the left clamp leg and the right clamp leg at the lower end, then contracting the first hydraulic cylinder, controlling the left clamp leg and the right clamp leg at the lower end to move upwards, controlling a second hydraulic cylinder below to contract when the first hydraulic cylinder contracts to the minimum, enabling the left clamp leg and the right clamp leg at the lower end to clamp the tree trunk, and moving the tree climbing device upwards for a certain distance integrally in the process; the climbing can be continuously performed by repeating the operations;
the descending process comprises the steps that firstly, the upper-end clamp legs clamp the trunk, the lower-end clamp legs are loosened, the first hydraulic cylinder extends, then the lower-end clamp legs clamp the trunk, the upper-end clamp legs are loosened, the first hydraulic cylinder contracts to finish one-time descending, and the tree can descend to the ground after repeated operation.
CN202010449395.9A 2020-05-25 2020-05-25 Tree climbing device and method Pending CN111617449A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010449395.9A CN111617449A (en) 2020-05-25 2020-05-25 Tree climbing device and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010449395.9A CN111617449A (en) 2020-05-25 2020-05-25 Tree climbing device and method

Publications (1)

Publication Number Publication Date
CN111617449A true CN111617449A (en) 2020-09-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010449395.9A Pending CN111617449A (en) 2020-05-25 2020-05-25 Tree climbing device and method

Country Status (1)

Country Link
CN (1) CN111617449A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2334529Y (en) * 1998-07-08 1999-08-25 华寿钧 Pliers for rolling crankshaft radius
CN105963931A (en) * 2016-07-08 2016-09-28 江苏铂英特电子科技有限公司 Novel automatic tree climbing device
CN106426220A (en) * 2016-12-03 2017-02-22 叶强 Intelligent streetlamp repairing robot
CN208645360U (en) * 2018-05-11 2019-03-26 河南纵横精工机械科技有限公司 Bottle & Can grabbing device
CN109646907A (en) * 2017-10-12 2019-04-19 中国科学院沈阳自动化研究所 A kind of high-tension pole climbing device
CN209939846U (en) * 2019-04-25 2020-01-14 江苏天宝利自动化科技有限公司 Round bar collecting and grabbing device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2334529Y (en) * 1998-07-08 1999-08-25 华寿钧 Pliers for rolling crankshaft radius
CN105963931A (en) * 2016-07-08 2016-09-28 江苏铂英特电子科技有限公司 Novel automatic tree climbing device
CN106426220A (en) * 2016-12-03 2017-02-22 叶强 Intelligent streetlamp repairing robot
CN109646907A (en) * 2017-10-12 2019-04-19 中国科学院沈阳自动化研究所 A kind of high-tension pole climbing device
CN208645360U (en) * 2018-05-11 2019-03-26 河南纵横精工机械科技有限公司 Bottle & Can grabbing device
CN209939846U (en) * 2019-04-25 2020-01-14 江苏天宝利自动化科技有限公司 Round bar collecting and grabbing device

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Application publication date: 20200904