CN112400509A

CN112400509A - Cut tree auxiliary device

Info

Publication number: CN112400509A
Application number: CN202010974759.5A
Authority: CN
Inventors: 陈欢; 赵志刚; 吴洲; 余声望; 钟波
Original assignee: Zhanjiang Power Supply Bureau of Guangdong Power Grid Co Ltd
Current assignee: Zhanjiang Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-02-26

Abstract

The invention relates to the technical field of tree cutting tools, and discloses a tree cutting auxiliary device which comprises a bearing seat, two holding arms, a driving mechanism and a lifting mechanism, wherein the two holding arms and the driving mechanism are connected to the bearing seat, the driving mechanism drives the two holding arms to be close to or far away from each other, the lifting mechanism is connected with the bearing seat to lift the bearing seat, before tree cutting, a rope is fastened on the bearing seat, the bearing seat is lifted to a binding point of a trunk through the lifting mechanism, the two holding arms are enabled to be close to the trunk through the driving mechanism, the holding arms are enabled to hold the trunk tightly, the rope can be fixed at the binding position of the trunk, convenience and high efficiency are achieved, the rope does not need to bypass the trunk and is not hindered by a support rod, the use is convenient, the rope can be fixed at a higher position of the trunk, the accuracy of trunk toppling direction control is guaranteed, labor is saved, high-altitude operation of workers is not.

Description

Cut tree auxiliary device

Technical Field

The invention relates to the technical field of tree cutting tools, in particular to a tree cutting auxiliary device.

Background

The corridor of the power transmission and distribution line is mostly located in the wild mountain forest area, wherein the distance between the wire of the power transmission and distribution line of 110kV or less and the ground is lower, and the safety hazard is brought to the operation of the line due to the fact that trees and bamboos on the two sides of the line and at the bottom of the line grow too fast. The electric power operation and maintenance department needs to carry out a large amount of work of clearing obstacles such as pruning and felling trees every year, and in order to guarantee that the toppling direction of trees (branches) is controlled in the work of pruning and felling trees, a direction rope needs to be bound at the front end of the pruned and felled trees (branches). Especially, in the operation of pruning tall trees, because the binding points are higher and the height of the ladder is limited, the trees can only reach the binding positions by climbing of operating personnel, so that the tree obstacle clearing work of the line channel has certain risks and low efficiency. In the process of removing obstacles, because the ligature point is higher, the ladder height is limited, can only reach the ligature position through the climbing of operation personnel, and the front end ligature point of pruning the branch can not bear the weight of human body under most circumstances, and the operation personnel is difficult for fixed health, still exists the possibility of being attacked by snake on the tree, bee, and the operation risk is high. The manual tying rope has low efficiency and low speed for tree obstacle clearing work, and the labor intensity of workers is high.

Chinese utility model patent CN209527382U (published as 2019, 10 and 25) discloses a fixed index device of a pulling rope for cutting trees, which comprises a left support plate, a fixed pulley, a right support plate, a joint and a telescopic operating rod; the left support plate and the right support plate are symmetrically fixed on the upper end face of the joint; the fixed pulley is arranged at the lower part between the left support plate and the right support plate through a pulley fixing shaft; the upper portion between left branch fagging and the right branch fagging forms the stay cord groove, before cutting the tree, passes the stay cord that one end was tied and has the steel ball from the stay cord groove earlier, and the stay cord is drawn down to make the steel ball card stop at the stay cord groove lateral part, and is all stretched out flexible action bars again, makes the steel ball be higher than the upper portion tree pole of waiting to be tied, loosens the stay cord after the slope and makes steel ball gravity drive stay cord end to ground, draws the stay cord downwards after tying the slipknot, makes the slipknot rise and ties the tree pole tightly. However, this patent need bypass the tree pole when promoting the tip of stay cord to the tree pole eminence, because trees have the branch, drive the stay cord through the telescopic link on subaerial and wind the tree pole, have higher degree of difficulty, if want to avoid tree branch, the stay cord is located the lower of trees, it is harder and difficult to hold during the control direction, if directly be tied in tree branch with the stay cord, the easy fracture of tree branch and the direction that trees fell slightly have the deviation, lead to trees to fall on the power transmission and distribution line or staff department, the risk is great.

Disclosure of Invention

The invention aims to provide a tree cutting auxiliary device which is high in efficiency and convenient to use.

In order to achieve the purpose, the invention provides a tree cutting auxiliary device which comprises a bearing seat, two enclasping arms, a driving mechanism and a lifting mechanism, wherein the two enclasping arms and the driving mechanism are connected to the bearing seat, the driving mechanism drives the two enclasping arms to be close to or far away from each other, and the lifting mechanism is connected with the bearing seat to lift the bearing seat.

Preferably, the clasping arm is rotatably connected to the bearing seat, and the driving mechanism drives the clasping arm to rotate.

As preferred scheme, bear the seat and be equipped with the fixed axle, the one end of holding the arm tightly is equipped with the connecting hole, hold the arm tightly and pass through the connecting hole suit is in on the fixed axle, actuating mechanism includes the drive block, the drive block can be connected along its length direction removal on bearing the seat, two hold the arm connection the fixed axle with the drive block is axis symmetric distribution in the both sides of drive block, hold the arm setting the one end of connecting hole be equipped with a plurality of with the fixed axle is the first rodent of centre of a circle circumference distribution, the both sides of drive block are equipped with a plurality of second rodents that distribute along its length direction, first rodent with the meshing of second rodent, the drive block is kept away from hold the arm tightly and the one end of trunk contact department is equipped with the rope tying hole.

As the preferred scheme, the driving block is close to one end of the contact part of the clasping arms and the trunk, a stop block is arranged at one end of the contact part of the clasping arms and the trunk, and the length of the stop block is greater than the distance between the two ends of the connecting hole formed by the clasping arms.

Preferably, the bearing seat is provided with a guide groove, the driving block is provided with a guide block, and the guide block is inserted into the guide groove and can slide along the guide groove.

As a preferred scheme, the holding arms are of arc structures, and the two holding arms are mirror images.

Preferably, one side of each of the clasping arms, which is close to the other clasping arm, is provided with a barb.

As preferred scheme, it is circular arc structure to hold the arm tightly, the barb set up in hold the arm tightly and keep away from the one end of fixed axle, just the barb is followed the radial line at the tip place of holding the arm tightly extends.

Preferably, the lifting mechanism comprises a support rod, a groove is formed in the bottom surface of the bearing seat, and the support rod is detachably inserted into the groove.

Preferably, the supporting rod is of a telescopic rod structure, the top of the supporting rod is provided with an anti-rotation block protruding from one side of the supporting rod, and the groove is matched with the top of the supporting rod and the anti-rotation block.

Compared with the prior art, the auxiliary device for cutting trees has the advantages that:

the two holding arms which can be close to or far away from each other are connected to the bearing seat, so that the auxiliary device can hold a trunk tightly, the rope is tied to the bearing seat before the tree is cut, the bearing seat is lifted to a binding point of the trunk through the lifting mechanism, the two holding arms are close to the trunk through the driving mechanism, the holding arms hold the trunk tightly, the rope can be fixed at the binding position of the trunk, the operation is convenient and efficient, the rope does not need to be wound around the trunk and cannot be hindered by the supporting rod, the rope is convenient to use, the rope can be fixed at the higher position of the trunk, the accuracy of controlling the toppling direction of the trunk is guaranteed, the labor is saved, the high-altitude operation of workers is not needed, and the safety is guaranteed.

Drawings

Fig. 1 is a top view of a tree cutting aid of an embodiment of the present invention.

Fig. 2 is a bottom view of the carrier base according to the embodiment of the invention.

Fig. 3 is a schematic view of a support bar according to an embodiment of the present invention.

In the figure, 1-the carrier; 101-a guide groove; 102-a groove; 2, holding the arm tightly; 201-connecting hole; 202-a first rodent; 3-tree trunk; 4, fixing a shaft; 5-a drive block; 501-a second rodent; 502-rope tying hole; 6-a stop block; 7-a guide block; 8-barbs; 9-a support bar; 10-anti-rotation block.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

Referring to fig. 1 to 3, a tree cutting assisting device according to a preferred embodiment of the present invention includes a carrying base 1, two clasping arms 2, a driving mechanism and a lifting mechanism, wherein the two clasping arms 2 and the driving mechanism are both connected to the carrying base 1, the driving mechanism drives the two clasping arms 2 to move toward or away from each other, and the lifting mechanism is connected to the carrying base 1 to lift the carrying base 1. This embodiment is through connecting two arms 2 of holding tightly that can be close to each other or keep away from bearing seat 1, can make the auxiliary device of this embodiment hold the trunk tightly, before cutting the tree, with rope subsystem to bearing seat 1 on, will bear seat 1 and lift the ligature point of trunk 3 through hoist mechanism, rethread actuating mechanism makes two arms 2 of holding tightly be close to and make and hold arm 2 tightly trunk 3, can fix the rope in the ligature position of trunk 3, it is convenient high-efficient, and need not take the rope to walk around trunk 3, can not be hindered by branch, high durability and convenient use, can fix the rope in the higher position of trunk 3, guarantee that the trunk topples the accuracy of directional control, and is laborsaving, need not staff high altitude construction, guarantee safety.

Further, the arm 2 of holding tightly of this embodiment rotationally connects on bearing seat 1, and actuating mechanism drives and holds tightly arm 2 and rotate, can realize being close to each other or keeping away from through two rotations of holding tightly arm 2. Further, be equipped with fixed axle 4 on the bearing seat 1 of this embodiment, the one end of holding arm 2 is equipped with connecting hole 201, hold arm 2 tightly and pass through connecting hole 201 suit on fixed axle 4, actuating mechanism includes drive block 5, drive block 5 can be connected on bearing seat 1 along its length direction removal, the fixed axle 4 that two hold arms 2 are connected uses drive block 5 to distribute in the both sides of drive block 5 as axis symmetric distribution, the one end that holds arm 2 and set up connecting hole 201 is equipped with a plurality of first rodents 202 that use fixed axle 4 to distribute as centre of a circle circumference, the both sides of drive block 5 are equipped with a plurality of second rodents 501 that distribute along its length direction, first rodent 202 and the meshing of second rodent 501, the one end that arm 2 and trunk 3 contact department were kept away from to drive block 5 is equipped with rope tying hole 502. Before cutting the tree, pass the rope and make auxiliary device connect the rope with rope hole 502, will bear the weight of seat 1 through hoist mechanism and promote the ligature position to trees, the pulling rope, driving block 5 is along its length direction toward keeping away from the direction removal of holding arm 2 and trunk 3 contact department tightly, second rodent 501 and the meshing of first rodent 202 drive the one end of holding arm 2 tightly around fixed axle 4 rotate, make two hold arm 2 tightly and hold trunk 3 tightly, because when cutting the tree, the rope needs the stress pulling trees in order to control the direction of empting of trees, therefore, driving block 5 of this embodiment is in the stress state always, can make and hold arm 2 tightly and hold trunk 3 tightly, avoid auxiliary device to drop, and the actuating mechanism of this implementation adopts mechanical structure, and is low in cost, and reliable.

Further, the one end that the driving block 5 of this embodiment is close to the department of holding tightly arm 2 and trunk 3 contact is equipped with dog 6, and the length of dog 6 is greater than two and holds tightly the arm 2 and set up the distance between the tip of connecting hole 201, and when driving block 5 moved extreme position, dog 6 offseted with the tip of holding tightly arm 2 and prevents driving block 5 to continue to move, avoids driving block 5 to deviate from between two arms 2 of holding tightly. Optionally, be equipped with guide way 101 on the bearing seat 1 of this embodiment, be equipped with guide block 7 on the drive block 5, guide block 7 pegs graft in guide way 101 and can follow guide way 101 and slide, for the removal direction of drive block 5, avoids the one end atress of drive block 5 and the problem that the trunk can not be embraced by holding arm 2 tightly that the skew that easily appears leads to, improves the reliability of device.

Further, the arm 1 of enclasping of this embodiment is the arc structure, and two enclasping arms 1 are the mirror image each other, suit with the circular or nearly circular cross section of trunk 3, and the arc structure still can form cyclic annularly when two enclasping arms 1 enclasping, make enclasping arm 1 keep away from the one end of fixed axle 4 and trunk 3 offset, avoid the auxiliary device atress and lead to enclasping arm 1 slippage from the trunk, improve the steadiness of enclasping, furtherly, one side that is close to another enclasping arm 2 on enclasping arm 2 is equipped with barb 8, when making enclasping arm 2 enclasping trunk 3, barb 8 inserts in trunk 3, enable enclasping arm 2 to fix on trunk 3 more firmly, even the tension can not pull away enclasping arm 2 yet. In this embodiment, hold arm 2 tightly and be convex mechanism, barb 8 sets up in holding arm 2 and keeping away from the one end of fixed axle 4, and barb 8 extends along the radial line at the tip place of holding arm 2 tightly, makes two hold arm 2 tightly backs, and barb 8 inserts in trunk 3 along the rotation direction of holding arm 2 tightly to can produce great hook force to the trunk when auxiliary device atress, it is more accurate to grasp the direction that trees emptyd. The central angle of the arm 2 in this embodiment is 150 ° to 180 °. The carrier seat 1 of this embodiment includes the bedplate that parallel relative set up about two and is located the backup pad between two bedplates, and the upper and lower both sides of backup pad are connected with two bedplates respectively, and fixed axle 4, drive block 5, dog 6 all set up between two bedplates, and the tip that arm 2 set up connecting hole 201 of holding tightly also is located between two bedplates.

Referring to fig. 2 and 3, in the present embodiment, the lifting mechanism includes a supporting rod 9, a groove 102 is disposed on the bottom surface of the bearing seat 1, the supporting rod 9 is detachably inserted into the groove 102, the auxiliary device can be lifted up to the binding position of the rope in the tree direction by the supporting rod 9, and the supporting rod 9 can be retracted after the clasping arm 2 clasps the trunk 3, so as to prevent the supporting rod 9 from being damaged when the tree topples over, and prevent the supporting rod 9 from hindering the toppling over of the tree. Further, the supporting rod 9 of the present embodiment is a telescopic rod structure, the top of the supporting rod 9 is provided with an anti-rotation block 10 protruding from one side thereof, and the groove 102 is matched with the top of the supporting rod 9 and the anti-rotation block 10. The supporting rod 9 is telescopic and convenient to carry, and it should be noted that the supporting rod 9 can also comprise a multi-section rod body, and the rod body is detachably connected with the rod body so as to realize the length change and the convenient carrying of the supporting rod 8. The rotation preventing block 10 is arranged at the top of the supporting rod 9, and the supporting rod 10 with a circular cross section can be prevented from rotating in the groove 9 to cause the problem that the direction and the position of the holding arm 2 are inaccurate due to the fact that the groove wall of the groove 9 limits the rotation preventing block 10. The supporting rod 9 of this embodiment is an insulating rod.

To sum up, the embodiment of the invention provides a tree cutting auxiliary device, which is characterized in that two holding arms 2 which can be close to or far away from each other are connected to a bearing seat 1, so that the auxiliary device of the embodiment can hold a tree trunk tightly, before cutting the tree, ropes are tied to the bearing seat 1, the bearing seat 1 is lifted to a binding point of the tree trunk 3 through a lifting mechanism, then a driving mechanism enables the two holding arms 2 to be close to enable the holding arms 2 to hold the tree trunk 3 tightly, the ropes can be fixed at the binding position of the tree trunk 3, the auxiliary device is convenient and efficient, the ropes do not need to be wound around the tree trunk 3 and cannot be hindered by a support rod, the auxiliary device is convenient to use, the ropes can be fixed at a higher position of the tree trunk 3, the accuracy of control of the tree trunk toppling direction is guaranteed, labor is saved, workers.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a cut tree auxiliary device, its characterized in that, including bearing seat (1), two hold arm (2), actuating mechanism and hoist mechanism tightly, two hold arm (2) tightly with actuating mechanism all connects bear on seat (1), just actuating mechanism drives two hold arm (2) tightly and be close to each other or keep away from, hoist mechanism with bear seat (1) and connect in order to promote bear seat (1).

2. The tree chopping aid according to claim 1, characterized in that the clasping arm (2) is rotatably connected to the carrying seat (1), and the driving mechanism rotates the clasping arm (2).

3. The auxiliary device for cutting trees according to claim 2, characterized in that a fixed shaft (4) is provided on the bearing seat (1), a connecting hole (201) is provided at one end of the clasping arm (2), the clasping arm (2) is sleeved on the fixed shaft (4) through the connecting hole (201), the driving mechanism comprises a driving block (5), the driving block (5) is movably connected on the bearing seat (1) along the length direction, the fixed shafts (4) connected with the two clasping arms (2) are symmetrically distributed on two sides of the driving block (5) by taking the driving block (5) as the axis, one end of the clasping arm (2) provided with the connecting hole (201) is provided with a plurality of first engaging teeth (202) distributed circumferentially by taking the fixed shaft (4) as the center of a circle, two sides of the driving block (5) are provided with a plurality of second engaging teeth (501) distributed along the length direction, the first engaging tooth (202) is engaged with the second engaging tooth (501), and a rope tying hole (502) is formed in one end, away from the contact position of the enclasping arm (2) and the trunk (3), of the driving block (5).

4. The tree chopping aid according to claim 3, characterized in that a stop (6) is arranged at one end of the driving block (5) close to the contact of the clasping arm (2) and the trunk (3), and the length of the stop (6) is greater than the distance between the ends of the clasping arms (2) where the connecting holes (201) are arranged.

5. The auxiliary device for cutting trees according to claim 3, wherein a guide groove (101) is arranged on the bearing seat (1), a guide block (7) is arranged on the driving block (5), and the guide block (7) is inserted into the guide groove (101) and can slide along the guide groove (101).

6. The tree chopping aid according to claim 2, wherein the clasping arms (2) are of an arc-shaped configuration and the two clasping arms (2) are mirror images of each other.

7. The tree chopping aid according to claim 1, characterized in that a barb (8) is provided on the side of the clasping arm (2) close to the other clasping arm (2).

8. The tree chopping aid according to claims 6 and 7, wherein the clasping arm (2) is of a circular arc structure, the barb (8) is arranged at one end of the clasping arm (2) far away from the fixed shaft (4), and the barb (8) extends along a radial line where the end of the clasping arm (2) is located.

9. The tree cutting aid as claimed in claim 1, characterized in that the lifting mechanism comprises a support bar (9), the bottom surface of the carrying seat (1) is provided with a groove (102), and the support bar (9) is detachably inserted in the groove (102).

10. The auxiliary device for cutting trees according to claim 9, characterized in that the supporting rod (9) is a telescopic rod structure, the top of the supporting rod (9) is provided with an anti-rotation block (10) protruding from one side thereof, and the groove (102) is matched with the top of the supporting rod (9) and the anti-rotation block (10).