CN213847739U

CN213847739U - Portable novel averruncator

Info

Publication number: CN213847739U
Application number: CN202022468486.5U
Authority: CN
Inventors: 卢林; 王二强; 韩鲲; 冀含乐; 郭亚珍; 王晓晖; 刘红凡; 庞静静; 梁长安; 王若晗; 温红霞; 王茜赟; 张艳红; 马丽; 陈培玉
Original assignee: Luoyang Academy of Agriculture and Forestry Sciences
Current assignee: Luoyang Academy of Agriculture and Forestry Sciences
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-08-03
Anticipated expiration: 2030-10-30

Abstract

The utility model discloses a portable novel tree pruner, which comprises an outer shell, wherein the front end of the outer shell is provided with a fixed cutter head through a fixing bolt, the fixed cutter head is of a hook-shaped structure, the side surface of the fixed cutter head is provided with an active cutter head, the active cutter head is rotatably arranged at the front end of the outer shell through a pin shaft, the other side of the active cutter head is hinged with a push rod, the push rod is connected with a hydraulic cylinder telescopic rod fixedly arranged in the outer shell, an oil tank and a hydraulic pump are fixedly arranged in the outer shell, the two ends of the hydraulic cylinder are connected with hydraulic pipes, a spring is arranged above an internal piston of the hydraulic cylinder, one of the hydraulic pipes is connected with the hydraulic pump and then extends to the internal position of the oil tank, the utility model has simple design structure and convenient use, adopts a hydraulic driving mode to replace manpower, effectively reduces the labor intensity of workers, and can adjust the length of the telescopic rod according to the height of branches, the trimming machine enables the workers to work easily and can improve the trimming efficiency.

Description

Portable novel averruncator

Technical Field

The utility model belongs to the technical field of agricultural instrument, concretely relates to portable novel averruncator.

Background

The existing old-fashioned high branch scissors are not foldable or telescopic due to the height of the supporting rod, the knife edge is not sharp, when branches are pruned, a rope needs to be connected to pull down to complete high branch pruning, the stress mode of the high branch scissors completely depends on the acting force of a manual pull rope, only thinner branches can be pruned, when branches with thicker diameters are pruned, the labor intensity of workers can be increased, the pull rope is easy to break, and great inconvenience is caused.

Disclosure of Invention

The utility model discloses a solve above-mentioned technical problem, provide a portable novel averruncator, its structural design is simple reasonable, it is convenient to use, adopts hydraulic drive's mode to replace the manual work, the effectual intensity of labour who reduces the staff to can be according to the length of the altitude mixture control telescopic rod of branch, make the work that the staff is light and can improve the efficiency of pruning.

The utility model adopts the technical proposal that: the utility model provides a portable novel averruncator, which comprises an outer shell, a fixed tool bit is installed through fixing bolt to the front end of shell body, fixed tool bit is hook-like structure, fixed tool bit side is equipped with movable tool bit, movable tool bit is through the rotatable installation in shell body front end position of round pin axle, it has a push rod to articulate in one side in addition of movable tool bit, the push rod links to each other with the inside pneumatic cylinder telescopic link of fixed mounting at the shell body, inside fixed mounting has oil tank and hydraulic pump in the shell body, the both ends of pneumatic cylinder are connected with the hydraulic pressure pipe, a spring is installed to the inside piston top of pneumatic cylinder, extend to the inside position of oil tank behind one of them hydraulic pressure pipe and the hydraulic pump connection, another hydraulic pressure pipe extends to in the oil tank, but the lower extreme threaded connection of shell body has the telescopic link.

The telescopic rod comprises an upper rod, a middle rod and a lower rod, the upper rod is located above the telescopic rod, the middle rod is located in the middle of the telescopic rod, the lower rod is located at the lower end of the telescopic rod, the upper rod, the middle rod and the lower rod are sleeved with each other and are in sliding connection, positioning screws are installed on the side faces of the upper ends of the lower rod and the middle rod respectively, and the upper rod, the middle rod and the lower rod are of hollow structures.

And the side surface of the lower rod is provided with a handrail.

A battery box is fixedly arranged in the tail end of the telescopic rod, a battery is arranged in the battery box, and the battery is connected with the hydraulic pump through a wire.

The outer side position of the tail end of the telescopic rod is provided with a control box, a control switch is arranged in the control box, and an operating button for controlling the control switch is arranged outside the control box.

And an end cover is arranged at the end face of the tail end of the telescopic rod.

When the portable novel high branch scissors are used: firstly, adjusting a telescopic rod to a proper length, respectively screwing positioning screws on a lower rod and a middle rod to fix the telescopic rod, moving a fixed cutter head and a movable cutter head at the upper end of an outer shell to the positions of branches to be trimmed, pressing an operating button, starting a hydraulic pump, gradually pushing a piston by hydraulic oil below a hydraulic cylinder to move the piston upwards, gradually closing two cutter edges which are originally in an open state, realizing the shearing of the branches when the two cutter edges are closed to a limit position, controlling the hydraulic pump to stop working again by the operating button, moving the piston from the upper part to the position below the hydraulic cylinder under the action of elastic force of a spring, and opening the movable cutter head to shear the next branch; in the shearing process, in order to facilitate the lower workers to control the force of the hands, the handrails can be utilized to keep the high branch shears balanced, and accidents are avoided.

The cutting tool comprises an outer shell, wherein a fixed tool bit is mounted at the front end of the outer shell through a fixing bolt, the fixed tool bit is in a hook-shaped structure, a movable tool bit is arranged on the side surface of the fixed tool bit, and the movable tool bit is rotatably mounted at the front end of the outer shell through a pin shaft; the purpose of this is: the fixed cutter head is arranged to be capable of achieving the purpose of rapidly positioning the two cutter heads by taking the fixed cutter head as a reference when branches are pruned, and the fixed cutter head is of a hook-shaped structure, so that paper strips can be pulled to a certain degree when the branches are pruned, the body angle can be conveniently adjusted by a worker, and the operation is convenient and rapid.

The other side of the movable tool bit is hinged with a push rod, the push rod is connected with a telescopic rod of a hydraulic cylinder fixedly arranged in the outer shell, an oil tank and a hydraulic pump are fixedly arranged in the outer shell, two ends of the hydraulic cylinder are connected with hydraulic pipes, a spring is arranged above an internal piston of the hydraulic cylinder, one of the hydraulic pipes is connected with the hydraulic pump and then extends to the internal position of the oil tank, and the other hydraulic pipe extends into the oil tank; the purpose of this is: set up hydraulic system in the shell body is inside, provide the pruning that power realized the branch through hydraulic system, replaced the mode of artifical stay cord, it is big to have the shearing dynamics, efficient, saves the advantage of staff's physical power.

The lower end of the outer shell is in threaded connection with a telescopic rod; the purpose of this is: the telescopic rod is used as a support of the high branch scissors, can freely stretch according to the actual height, and can meet branch pruning work at different heights.

The utility model has the advantages that:

the utility model relates to a simple structure, it is convenient to use, adopts hydraulic drive's mode to replace the manual work, the effectual intensity of labour who reduces the staff to can be according to the length of the altitude mixture control telescopic rod of branch, make the light work of staff and can improve the efficiency of pruning.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a plan view of the extendable rod of the present invention;

fig. 3 is an internal structure view of the hydraulic cylinder of the present invention.

The labels in the figure are: 1. fixing a cutter head; 2. fixing the bolt; 3. an outer housing; 4. a hydraulic tube; 5. an oil tank; 6. a telescopic rod; 7. a control box; 8. a battery; 9. an end cap; 10. a hydraulic pump; 11. a hydraulic cylinder; 12. a push rod; 13. a pin shaft; 14. a movable tool bit; 15. an operation button; 16. a lower rod; 17. a set screw; 18. a middle rod; 19. an upper rod; 20. a handrail; 21. a spring; 22. a piston.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.

As shown in the figure, the portable novel high branch scissors comprise an outer shell 3, a fixed cutter head 1 is installed at the front end of the outer shell 3 through a fixing bolt 2, the fixed cutter head 1 is of a hook-shaped structure, an active cutter head 14 is arranged on the side surface of the fixed cutter head 1, the active cutter head 14 is rotatably installed at the front end of the outer shell 3 through a pin shaft 13, the other side of the movable cutter head 14 is hinged with a push rod 12, the push rod 12 is connected with a telescopic rod of a hydraulic cylinder 11 fixedly arranged inside the outer shell 3, an oil tank 5 and a hydraulic pump 10 are fixedly arranged in the outer shell 3, two ends of the hydraulic cylinder 11 are connected with hydraulic pipes 4, a spring 21 is arranged above an inner piston 22 of the hydraulic cylinder 11, one of the hydraulic pipes 4 is connected with a hydraulic pump 10 and then extends to the inner position of the oil tank 5, the other hydraulic pipe 4 extends into the oil tank 5, and the lower end of the outer shell 3 is in threaded connection with a telescopic rod 6.

The telescopic rod 6 comprises an upper rod 19 positioned above, a middle rod 18 positioned in the middle and a lower rod 16 positioned at the lower end, the upper rod 19, the middle rod 18 and the lower rod 16 are sleeved in pairs and are connected in a sliding mode, positioning screws 17 are respectively installed at the side faces of the upper ends of the lower rod 16 and the middle rod 18, and the upper rod 19, the middle rod 18 and the lower rod 16 are all of a hollow structure.

The side position of the lower rod 16 is provided with a handrail 20, and the handrail 20 is fixedly connected with the lower rod 16 to facilitate the holding of the hand of a worker, so that the aim of balancing the high branch shears during working is fulfilled.

But the inside position fixed mounting of tail end of telescopic link 6 has the battery case, installs battery 8 in the battery case, and battery 8 passes through the wire and links to each other with hydraulic pump 10, and the wire is from shell body 3 through the telescopic link 6 below position that extends to lower part pole 16, can avoid the wire to leak outward.

The outer side position of the tail end of the telescopic rod 6 is provided with a control box 7, a control switch is arranged in the control box 7, and an operating button 15 for controlling the control switch is arranged outside the control box 7.

An end cover 9 is installed at the end face position of the tail end of the telescopic rod 6, the end cover 9 is buckled at the bottom position of the lower rod 16, the end cover 9 is used for sealing the bottom of the telescopic rod 6, and the end cover 9 can be opened when the battery 8 needs to be replaced.

When the portable novel high branch scissors are used: firstly, adjusting the telescopic rod 6 to a proper length, respectively screwing positioning screws 17 on a lower rod 16 and a middle rod 18 to fix the telescopic rod 6, moving a fixed cutter head 1 and a movable cutter head 14 at the upper end of an outer shell 3 to the positions of branches to be trimmed, pressing an operating button 15, starting a hydraulic pump 10, gradually pushing a piston 22 by hydraulic oil at the lower part in a hydraulic cylinder 11, enabling the piston 22 to move upwards, gradually closing two cutter edges which are originally in an open state, realizing the shearing of the branches when the two cutter edges are closed to a limit position, controlling the hydraulic pump 10 to stop working again by the operating button 15, moving the piston 22 to the position below the hydraulic cylinder 11 from the upper part under the action of the elastic force of a spring 21, and opening the movable cutter head 14 to shear the next branch; in the shearing process, in order to facilitate the lower staff to control the force of the hands, the handrails 20 can be used for keeping the high branch shears balanced, so that accidents are avoided.

Claims

1. The utility model provides a portable novel averruncator which characterized in that: the utility model discloses a casing, the front end of shell body is passed through fixing bolt and is installed a fixed tool bit, fixed tool bit is hook-like structure, fixed tool bit side is equipped with movable tool bit, movable tool bit is through the rotatable installation in shell body front end position of round pin axle, it has a push rod to articulate in one side in addition of movable tool bit, the push rod links to each other with the inside pneumatic cylinder telescopic link of fixed mounting at the shell body, inside fixed mounting has oil tank and hydraulic pump at the shell body, the both ends of pneumatic cylinder are connected with the hydraulic pressure pipe, a spring is installed to the inside piston top of pneumatic cylinder, one of them hydraulic pressure pipe extends to the inside position of oil tank after being connected with the hydraulic pump, another hydraulic pressure pipe extends to in the oil tank, but the lower extreme threaded connection of shell body has the telescopic link.

2. The novel portable high branch shears according to claim 1, wherein: the telescopic rod comprises an upper rod, a middle rod and a lower rod, wherein the upper rod is located above the telescopic rod, the middle rod is located in the middle of the telescopic rod, the lower rod is located at the lower end of the telescopic rod, the upper rod, the middle rod and the lower rod are sleeved with each other and are in sliding connection, positioning screws are respectively installed at the side positions of the upper ends of the lower rod and the middle rod, and the upper rod, the middle rod and the lower rod are of hollow structures.

3. The novel portable high branch shears according to claim 2, wherein: the side surface of the lower rod is provided with a handrail.

4. The novel portable high branch shears according to claim 1, wherein: a battery box is fixedly arranged in the tail end of the telescopic rod, a battery is arranged in the battery box, and the battery is connected with the hydraulic pump through a wire.

5. The novel portable high branch shears according to claim 1, wherein: the control box is installed at the outer side position of the tail end of the telescopic rod, the control switch is installed in the control box, and an operating button for controlling the control switch is arranged outside the control box.

6. The novel portable high branch shears according to claim 1, wherein: an end cover is arranged at the end face of the tail end of the telescopic rod.