CN209983213U

CN209983213U - Portable tree straightening device

Info

Publication number: CN209983213U
Application number: CN201920312496.4U
Authority: CN
Inventors: 孟令志; 李大伟
Original assignee: China University of Petroleum East China
Current assignee: China University of Petroleum East China
Priority date: 2019-03-12
Filing date: 2019-03-12
Publication date: 2020-01-24
Anticipated expiration: 2029-03-12

Abstract

The utility model provides a portable trees righting device and installation method has solved the trees righting problem after askew falling because of external force. The utility model discloses a pushing hands, flexible arm goes up the support arm, the lower limb, the base, the screw nut is vice, conical gear, the crank, the steel nail. The push handle is connected with the top end of the telescopic arm through a revolute pair; the bottom end of the push handle is fixedly connected with a nut of the screw-nut pair; the telescopic arm and the upper support arm keep relative sliding and can slide up and down; the bottom end of the upper support arm is fixedly connected with the top end of the lower support arm; the bottom end of a lead screw of the lead screw nut pair is fixedly connected with the conical gear; the bottom end of the lower support arm is connected with the base through a revolute pair. The utility model discloses simple installation uses less manpower alright obtain enough big thrust and right trees, saves time to repeatedly usable.

Description

Portable tree straightening device

Technical Field

The utility model belongs to the technical field of the forestry, especially a portable trees righting device.

Background

In the process of afforestation, trees are easily blown down or blown askew by wind, the traditional righting method is to righting the trees by manpower, which wastes time and labor and is inconvenient to operate, and if the trees are too large, the trees cannot be righted only by manpower, a tree righting device which can save manpower and is convenient to use is necessarily developed to right the trees.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a portable trees righting device to the above-mentioned problem that prior art exists.

The purpose of the utility model can be realized by the following technical proposal: a portable tree straightening device comprises a pushing handle, a telescopic arm, an upper supporting arm, a lower supporting arm, a base, a screw nut pair, a bevel gear, a crank and a steel nail. The push handle is connected with the top end of the telescopic arm through a revolute pair; the bottom end of the push handle is fixedly connected with a nut of the screw-nut pair; the telescopic arm and the upper support arm keep relative sliding and can slide up and down; the bottom end of the upper support arm is fixedly connected with the top end of the lower support arm; the bottom end of the screw nut auxiliary screw rod is fixedly connected with the conical gear; the bottom end of the lower support arm is connected with the base through a revolute pair.

Above-mentioned pushing hands is the arc, and the pushing hands inner wall is provided with the rubber layer, and its beneficial effect is, can have bigger area of contact with the trunk, and the rubber layer can increase the frictional force with the trunk, avoids taking place pushing hands and trunk emergence relative slip to reduce the damage to the trunk.

The main body part of the telescopic arm is a square cylinder, and the bottom end of the telescopic arm is fixedly connected with a nut of the screw-nut pair and moves up and down along with the nut.

The upper supporting arm main part is a square cylinder which can slide up and down relative to the telescopic arm but cannot rotate in the circumferential direction. The conical gear is fixedly connected with the bottom end of the screw rod of the screw nut pair.

A small bevel gear capable of meshing with the bevel gear is fixedly arranged on the crank, and a circular boss with a certain length extends out of the end face of the small bevel gear.

The circular port is left to above-mentioned lower support arm upper portion side, and the size of circular port is just suitable in order to let the bevel pinion of crank stretch into, the fixed position that lower support arm upper portion circular port is just right is provided with the shaft hole, the shaft hole with the circular boss clearance fit of crank.

The base is fixedly provided with a steel nail hole, and when the base works, a steel nail penetrates through the steel nail hole to be driven into the ground. The beneficial effects are that, the steel nail can be fixed the base.

The utility model discloses a following installation step:

the method comprises the following steps: placing the base on one inclined side of the tree, leaning the pushing handle on the tree, penetrating a steel nail through a steel nail hole of the base, driving the steel nail into the ground, and fixing the base;

step two: the circular boss on the crank passes through the circular hole on the lower support arm and is inserted into the shaft hole, the small bevel gear of the crank is meshed with the bevel gear, the crank is rocked, and the telescopic arm extends to prop the inclined tree straight.

Compared with the prior art, the utility model has the following characteristics and advantages: the utility model discloses can just right the trees of slope with very little manpower, use manpower sparingly, accomodate the convenience, portable is easy and simple to handle.

The features and advantages of the present invention will become more apparent from the following detailed description of the embodiments of the invention when read in conjunction with the accompanying drawings.

Drawings

Fig. 1 is a schematic external structural view of the portable tree straightening device.

Fig. 2 is a schematic view of the internal structure of the portable tree straightening device.

Fig. 3 is a schematic structural view of a lower support arm of the portable tree straightening device.

Fig. 4 is a schematic structural view of a crank of the portable tree straightening device.

In the figure, 1, a push handle, 1-1, a rubber layer, 2, a telescopic arm, 3, an upper supporting arm, 4, a lower supporting arm, 4-1, a shaft hole, 4-2, a circular hole, 5, a base, 6, a screw nut pair, 6-1 screw nut pair, 6-2, a screw nut pair screw, 7, a conical gear, 8, a crank, 8-1, a circular boss, 9 and a steel nail are arranged

Detailed Description

As shown in fig. 1 to 2, a portable tree straightening device comprises a pushing handle 1, a telescopic arm 2, an upper support arm 3, a lower support arm 4, a base 5, a screw nut pair 6, a bevel gear 7, a crank 8 and a steel nail 9. The push handle 1 is connected with the top end of the telescopic arm 2 through a revolute pair; the bottom end of the push handle 1 is fixedly connected with a nut of the screw-nut pair 6; the telescopic arm 2 and the upper support arm 3 keep relative sliding and can slide up and down; the bottom end of the upper support arm 3 is fixedly connected with the top end of the lower support arm 4; the bottom end of a lead screw 6-2 of the lead screw nut pair is fixedly connected with a conical gear 7; the bottom end of the lower supporting arm 4 is connected with the base 5 through a revolute pair. The pushing handle 1 is arc-shaped, and a rubber layer is arranged on the inner wall of the pushing handle. The main body part of the telescopic arm 2 is a square cylinder, and the bottom end of the telescopic arm is fixedly connected with a nut of the screw-nut pair 6 and moves up and down along with the nut.

The main body part of the upper supporting arm 3 is a square cylinder which can slide up and down relative to the telescopic arm 2 but can not rotate circumferentially.

A small bevel gear 8-2 which can be meshed with the bevel gear 7 is fixedly arranged on the crank 8, and a circular boss 8-1 with a certain length extends out of the end face of the small bevel gear 8-2.

A circular hole 4-2 is reserved on the side face of the upper portion of the lower supporting arm 4, the size of the circular hole 4-2 is suitable for enabling a small bevel gear of the crank 8 to just extend into the circular hole, a shaft hole 4-1 is fixedly arranged at the position, opposite to the circular hole 4-2, and the shaft hole 4-1 is in clearance fit with a circular boss 8-1 of the crank 8.

The base 5 is fixedly provided with a steel nail hole 9, and when the base works, the steel nail 9 penetrates through the steel nail hole 9 to be driven into the ground.

The utility model discloses a following installation step:

the method comprises the following steps: placing the base 5 on one inclined side of the tree, then leaning the pushing handle 1 on the tree, penetrating a steel nail 9 hole of the base 5 by using a steel nail 9, driving the steel nail 9 into the ground, and fixing the base 5;

step two: a circular boss 8-1 on the crank 8 penetrates through a circular hole 4-2 on the lower supporting arm 4 and is inserted into the shaft hole 4-1, a small bevel gear 8-2 of the crank 8 is meshed with a bevel gear 7, the crank 8 is rocked, the telescopic arm 2 extends, and the inclined tree is pushed straight.

For those skilled in the art, based on the teachings of the present invention, changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.

Claims

1. The utility model provides a portable trees righting device which characterized in that: the device comprises a push handle, a telescopic arm, an upper supporting arm, a lower supporting arm, a base, a screw nut pair, a bevel gear, a crank and a steel nail; the push handle is connected with the top end of the telescopic arm through a revolute pair; the bottom end of the push handle is fixedly connected with a nut of the screw-nut pair; the telescopic arm and the upper support arm keep relative sliding and can slide up and down; the bottom end of the upper support arm is fixedly connected with the top end of the lower support arm; the bottom end of a lead screw of the lead screw nut pair is fixedly connected with the conical gear; the bottom end of the lower support arm is connected with the base through a revolute pair.

2. The portable tree centering device of claim 1, wherein said pushing arm is curved, and a rubber layer is disposed on an inner wall of said pushing arm.

3. The portable tree centering device of claim 1, wherein the main body of the telescopic arm is a square cylinder, and the bottom end of the telescopic arm is fixedly connected with a nut of the screw-nut pair and moves up and down along with the nut.

4. The portable tree centering device of claim 1, wherein said upper support arm body portion is a square cylinder capable of sliding up and down relative to the telescopic arm but not rotating circumferentially.

5. The portable tree straightening device according to claim 1, wherein the bevel gear is fixedly connected with the bottom end of the screw rod of the screw nut pair.

6. The portable tree centering device as claimed in claim 1, wherein a bevel pinion capable of engaging with the bevel gear is fixedly disposed on the crank, and a circular boss with a certain length extends from an end surface of the bevel pinion.

7. The portable tree straightening device as claimed in claim 1, wherein a circular hole is formed in the side surface of the upper portion of the lower support arm, the circular hole is sized to allow a bevel pinion of the crank to extend into the circular hole, a shaft hole is fixedly formed in a position opposite to the circular hole in the upper portion of the lower support arm, and the shaft hole is in clearance fit with a circular boss of the crank.