KR101766400B1 - Cutting equipment for pruning branches - Google Patents

Abstract

The present invention relates to an electric power steering apparatus comprising a power supply section, a driving section for generating a rotational force by a power supply from the power supply section, a rotational force transmitting section for transmitting a rotational force interlocked with the driving section, A handle portion for receiving the power source portion, the driving portion, and the rotational force transmitting portion, the handle portion for holding the outer peripheral surface with a hand by the user, and a 'V' shaped guide groove for exposing a part of the rotary blade to one side of the front, A chemical liquid reservoir which is disposed in the outer circumferential surface of one side of the safety lid and is fixedly disposed in a reverse direction so that a sterilizing agent and a fertilizer component for disinfection are contained therein and the discharge port is directed downward; And a sponge for receiving the chemical liquid discharged to the lower portion. When the branch is guided in the guide groove, Is cut while being rotated, to a device for cutting branches of the strokes, characterized in that application of the drug solution by contacting the drug solution is contained in a sponge of cross-section of the incision.

Description

[0001] CUTTING EQUIPMENT FOR PRUNING BRANCHES [0002]

More particularly, the present invention relates to a branch cutting apparatus, which can be manufactured not only in a portable manner but also in a space utilization degree, at a low cost, and can be easily used To a branching device for pruning.

Generally, pruning can be accomplished by removing broken or dead branches, removal of diseased branches, removal of branches that interfere with traffic, disturbing wires or telephone lines, removal of branches that disturb prospects, This is to remove the branches to make them well and sunny, and to remove the branches that are damaged or are likely to be scratched by friction.

In addition, the wrong pruning can cause loss of flowers, fruits, and leaves as well as the plants are very vulnerable to infestation by diseases or insects. Therefore, paint can be painted quickly to cut off cuts after pruning or powdered .

On the other hand, the trees such as roadside trees planted on the roadside grow sharply during the summer, causing difficulties in management, and when many branches are extended, they will adversely affect the surrounding buildings and traffic. Periodic pruning of annual units is required for the purpose.

In the conventional pruning operation, the operator directly cuts the branches of the tree by using the saw, and at the same time, the branch located at the upper part of the tree is stepped on the ladder to perform the work so that the difficulty of cutting by sawing, There is a problem in that the workload of the worker has to be doubled and the labor force has to be put into a lot of labor.

Meanwhile, in recent years, devices for automatically performing the sawing work described above by means of power have become popular, and workload of workers has been reduced.

For example, Korean Patent Registration No. 10-0865240 discloses a brush cutter for pruning, which comprises a spur gear which rotates by transmitting a driving force of a driving force generating portion through a bevel gear, and a rotary gear which rotates with a constant reduction ratio in engagement with the spur gear And a connecting rod connected to the rotary gear is moved forward and backward by an eccentric wheel so that a blade is provided to cut branches of the tree by a power.

In addition, when the pruning operation is performed by using the power-driven apparatus, a vehicle equipped with a ladder is operated for the operation of the branch located at the upper part of the tree, thereby eliminating the troubles of moving the ladder have.

In addition, Korean Patent Registration No. 10-1129793 discloses a power transmission device such as a power generating device and a wire for generating power, a power transmission device for transmitting the power of the power generation device inside the housing and the housing An eccentric cam portion that rotates in conjunction with the motor and forms a worm gear on the other side to transmit rotation; an eccentric cam portion that rotates in engagement with the worm gear of the drive shaft in the housing; and an eccentric cam portion coupled to the cam portion of the eccentric cam portion, A rod portion and a saw blade portion which is coupled to the rod portion and forward and rearward of the housing forward and backward so that pruning operation of the roadside tree can be carried out more safely and easily and quickly and at a low cost, A pruning saw having a feature that minimizes damage to the pruner is disclosed.

The present invention relates to a pruning apparatus for pruning, which is capable of preventing a worker from performing pruning operations on the ground such as a sidewalk, And a cutting device.

According to an aspect of the present invention, there is provided an electric power steering apparatus including a power unit, a driving unit that generates a rotational force by a power supplied from the power unit, a rotational force transmitting unit that transmits rotational force interlocked with the driving unit, A handle portion for receiving the power source, the driving portion, and the rotational force transmitting portion and holding the outer circumferential surface by a user, and a 'V' shaped guide groove is formed so that a part of the rotating blade is exposed forward, A housing including a safety cover surrounding the blade; A clip groove formed on one side of the safety cover; A chemical solution reservoir coupled to the clip groove and having a sterilizing agent and a fertilizer component for disinfection therein, and fixedly disposed in a reverse direction so that the discharge port faces downward; Discharge control means for controlling the discharge port of the chemical liquid storage tank; And a sponge for receiving the chemical liquid discharged to the lower portion, wherein when the branch is guided in the guide groove, the rotary blade is cut while rotating, and the chemical liquid is applied by contacting the sponge containing the chemical liquid to the end face of the incised branch, The discharge control means includes a toe plate disposed at an end of the discharge port and provided with a discharge hole at an inner side thereof, and a block having a protruding projection projecting outwardly from the discharge hole, And an elastic member for resiliently urging the blocking plate so as to come into close contact with the overlay, wherein when the protruding protrusion is pressed from the outside, the blocking plate is separated from the overlay so that the chemical solution is discharged into the gap between the discharging hole and the protruding projection do.

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In addition, an outside of the housing is provided with an operation switch for driving the rotary blade by supplying or disconnecting the power of the power source, a speed adjusting switch for adjusting the rotation speed of the rotary blade, and a power- .

In addition, a contact sensing means for sensing the inflow of a branch is provided in the inside of the guide groove, and a manual mode or branch is guided to the outside of the housing through a guide groove for driving a rotary blade through a user- It is preferable that an operation switch for selecting one of the automatic modes for driving the rotary blade is further provided.

The safety lid is rotatable about a rotation axis of the rotary blade, and a plurality of securing grooves are arranged in parallel to the rear of the safety lid. The securing lid is protruded in the vertical direction from the upper surface of the housing, So that the user can rotate the guide groove in any direction.

The safety lid includes a fixed lid having a liquid reservoir coupled to the guide groove, and a detachable variable lid provided on the opposite side of the fixed lid. The movable lid is detached from the safety lid so that half of the rotary lid is exposed to the outside Lt; / RTI >

In addition, it is preferable that the rear end portion of the handle portion includes an extension portion that is connected to at least one or more multi-stages and has an auxiliary power portion that is electrically connected to the power source portion.

The branching device for pruning according to the present invention has the effect of improving convenience and comfort for the user.

According to the present invention, not only the pruning operation is facilitated by operating the rotary blade, but also the application of the chemical solution to the cut surface of the truncated branch allows the truncated portion to be quickly cleared.

As described above, according to the present invention, even if the user grasps the grip portion with the right or left hand, there is an effect that the guide can be easily used by fixing the direction of the guide groove of the safety cover by turning and fixing.

If the size of the branch to be worked is too large to be inserted into the guide groove, it is possible to use the rotary blade as a saw by removing the variable cover and bringing the rotary blade directly into contact with the branch, It is possible to cut off branches of a high area not reaching the user's key and to control the rotary blade at a long distance.

1 is a schematic diagram illustrating a preferred embodiment of the present invention.
2 is a schematic view showing the inside of a housing according to the present invention;
FIG. 3 is a state diagram showing the connection of the chemical reservoir according to the present invention
4 is an exploded perspective view of the discharge control means according to the present invention.
5 is a schematic view showing the inside of the discharge control means according to the present invention
6 is a schematic view showing the open state of the discharge control means according to the present invention
7 is a plan view of a preferred embodiment of the present invention
8 is a schematic view showing the rotation of the safety cover according to the invention
9 is a schematic view showing a state in which the safety cover according to the present invention is separated
Figure 10 is a schematic view showing the connection of an extension according to the invention

The present invention relates to an electric power steering apparatus comprising a power supply section (11), a driving section (12) for generating a rotational force by a power source supplied from the power supply section, a rotational force transmitting section (13) for transmitting rotational force interlocked with the driving section, A knob 21 for receiving the power source, the driving unit, and the torque transmission unit and holding the outer circumference by a user's hand, and a " V " A housing (20) including a safety cover (22) formed with a guide groove (221) of a shape that surrounds the rotary blade; A clip groove (23) formed at one side of the safety cover; A chemical solution reservoir (31) coupled to the clip groove, the chemical solution reservoir (31) having a sterilizing agent and a fertilizer component for disinfection therein and being fixed in a reverse direction so that the discharge port (32) faces downward; Discharge adjusting means (33) for adjusting a discharge port of the chemical liquid reservoir; And a sponge (34) for receiving the chemical liquid discharged to the lower portion. When the branch is guided in the guide groove, the rotary blade is cut while rotating, and the chemical liquid is applied by contacting the sponge containing the chemical liquid to the cross- .

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a schematic view showing a preferred embodiment of the present invention, FIG. 2 is a schematic view showing the inside of a housing according to the present invention, FIG. 3 is a state diagram showing a chemical solution reservoir according to the present invention being combined, 5 is a schematic view showing the inside of the discharge control means according to the present invention, Fig. 6 is a schematic view showing an open state of the discharge control means according to the present invention, Fig. 7 is a schematic view showing the discharge control means according to the present invention, 9 is a schematic view showing a state in which the safety lid according to the present invention is separated, and Fig. 10 is a plan view of a safety lid according to an embodiment of the present invention. Fig.

The embodiments of the present invention are described in order to more fully explain the present invention to those skilled in the art, and the following embodiments may be modified into various other forms, It is not limited to the embodiment. Rather, these embodiments are provided so that this disclosure will be more thorough and complete, and will fully convey the concept of the invention to those skilled in the art. In the drawings, the thickness and size of each layer are exaggerated for convenience and clarity of explanation.

The present invention relates to a power supply system for a vehicle, including a power supply unit 11, a driving unit 12 for generating a driving force by a power supplied from a power supply unit, a rotational force transmitting unit 13 for transmitting rotational force interlocked with the driving unit, A handle 21 for receiving the power source, the driving unit, and the rotational force transmitting unit inside and holding the outer circumferential surface by a user's hand; And a housing (20) including a safety cover (22) surrounding the blade, wherein one side of the safety cover is provided with a sterilizing agent and a fertilizer component for disinfection therein and is fixed in the reverse direction so that the discharge port (32) And a discharge control means (33) for controlling the discharge port of the chemical liquid reservoir, and a discharge control means (33) for discharging the chemical liquid by contacting the cross section of the cut out branch Characterized in that the provided with a member (34).

As shown in FIGS. 1 and 2, the present invention provides a power supply system including a power supply unit 11, a driving unit 12 for generating a rotating force by a power supplied from a power supply unit, a rotation force transmitting unit 13 for transmitting a rotating force interlocked with the driving unit, And a rotary blade 14 which is rotated by the rotary force transmitting portion to cut the branch.

The power supply unit 11 supplies power to the inside of the battery.

The driving unit 12 generates a rotational force by a power source, such as a motor, supplied from a power source unit.

The rotational force transmitting portion 13 is a gear that transmits a rotational force in conjunction with the driving portion 12 to transmit rotational force to the rotational body of the disc, It is preferable to use a worm gear that includes gears and transmits rotation at an accurate speed ratio and can switch the direction of the rotation axis to a vertical direction or a diagonal direction.

The rotary blade 14 is accommodated in a driven gear of a rotational force transmitting portion and rotated to contact the branch to cut the branch.

In addition, the housing 20 includes a handle 21 for receiving a power source, a driving unit, and a torque transmitting unit inside the housing 20 and a user grips the handle 20, and a safety cover 22 ).

In addition, a 'V' shaped guide groove 221 is formed on the front side of the safety cover 22 so as to expose a part of the rotary blade. When the branch is guided to the inside of the guide groove, .

As shown in FIGS. 3 to 5, one side of the safety cover is provided with a chemical solution reservoir 31 (see FIG. 3) in which a disinfectant and fertilizer components for disinfection are contained and the discharge port 32 is fixed in a reverse direction (33) for adjusting the discharge port of the chemical liquid reservoir, and a sponge (34) for applying the chemical liquid by contacting the discharged chemical liquid to the cross section of the cut branch.

The chemical solution reservoir 31 is provided with a disinfectant for disinfection and a discharge port 32 for containing a chemical solution containing a fertilizer component and discharging a chemical solution at a lower portion thereof. As shown in Fig.

The chemical liquid reservoir 31 is coupled to one side of the safety lid 22 so that the chemical liquid accommodated therein is discharged downward by its own weight by fixing the discharge port 32 downward, It is preferable that the clip cover 23 is fixed to a clip groove 23 projecting laterally from one side surface of the safety cover 22. The clip groove 23 is formed in an annular shape so that a part of the clip groove 23 is communicated from the inside to the outside And is formed so as to press the outer circumferential surface of the chemical liquid reservoir inward.

4 and 5, the discharge control means 33 controls the amount of the chemical liquid discharged by opening and closing the discharge port 32 of the chemical liquid reservoir. The discharge control means 33 is disposed at the end of the discharge port, A cover plate 333 having a hole 332 and a blocking plate 333 disposed in parallel with the overlay so as to be in parallel with the cover plate 333 and having protruding protrusions 334 protruding outward through a discharge hole on the inside thereof, And an elastic member 335 for resiliently urging the blocking plate so as to come into close contact with the overlay so that when the protruding protrusion is pressed from the outside, the blocking plate is separated from the overlay so that the chemical solution is discharged into the gap between the discharging hole and the protruding projection .

The top plate 331 is disposed at an end of the discharge port 32 to shield the discharge port, and a discharge hole 332 is provided inside.

The blocking plate 333 is disposed in parallel with the overlay 331 in the chemical solution reservoir and has a protruding protrusion 334 which protrudes outward through the discharging hole and is gradually tapered.

The elastic member 335 resiliently urges the blocking plate to come into close contact with the overlay.

Preferably, the discharge adjusting means 33 may be formed in a lid screwed to cut off the discharge port of the chemical reservoir 31.

Therefore, when the pressing plate 334 is pressed against the protruding protrusion 334 from the outside, the blocking plate is spaced apart from the overlay, and a gap is formed between the side surface of the protruding protrusion having a slope on the side surface and the discharging hole, And the chemical liquid is discharged to the outside by the own weight of the chemical liquid.

The sponge portion 34 applies a chemical solution by contacting the cross section of the excised branch with the liquid medicine discharged from the discharge hole so that the sponge portion 34 is discharged from the lower portion of the discharge port 32 of the chemical solution reservoir 31 And the protruding protrusions 334 are arranged inside the sponge.

6, when the user rotates the rotary blade 14 and cuts the branch, when the sponge 34 is contacted to the cut surface of the cut branch, the projecting projection 334 is pressed into the chemical solution reservoir 334, (31) is applied to the cut surface of the truncated branch through the sponge (34).

As described above, according to the present invention, not only the pruning operation is facilitated by rotating the rotary blade 14 by cutting the rotary blade 14, but also the chemical solution is applied to the cut surface of the cut branch so that the cut portion can be cleared quickly after pruning .

7, an operation switch 41 for driving the rotary blade by supplying or disconnecting the power of the power source is provided outside the housing 20, and a speed control switch 42 for controlling the rotation speed of the rotary blade And a power source rechargeable battery lamp 43 for indicating the degree of charging of the power source unit.

The operating switch 41 controls the rotating blade by supplying or cutting off the power of the power source unit. The speed adjusting switch 42 adjusts the rotating speed of the rotating blade. The power source charging lamp 43 is charged And the brightness of the image is displayed by the brightness or the color so that the user can recognize the image.

In addition, the inside of the guide groove is provided with a contact sensing means 44 for sensing the inflow of a branch, and a manual mode or branch is guided to the outside of the housing through a guide groove And an operation switch (45) for selecting one of the automatic modes for driving the rotary blade when the contact sensing means senses it.

The contact detecting means 44 is hinged to one corner of the guide groove and is rotatable, and the contact detecting means 44 is provided on the inner side of the guide groove 221, And the pivotal piece 441 contacts the outer circumferential surface of the branch when the branch is introduced into the guide groove 221 and detects the inflow of the branch.

The operating switch 45 is provided on the outside of the housing 20 so that the user can manually operate the rotary blade 14 through the operating switch 41, And selects one of the automatic modes for driving the rotary blade 14 when the means 44 detects it.

Therefore, by selecting the manual mode or the automatic mode through the operation switch 45, the user can perform the pruning operation without operating the separate operation switch 41, thereby facilitating the operation.

In addition, it is preferable that a terminal portion is provided at one side of the housing 2 so as to supply power from the outside so that the power source unit 11 can be easily charged.

The safety lid 22 is rotatable around a rotation axis of the rotary blade 14, and a plurality of securing grooves 24 are provided in parallel to the safety lid. And a fixing part 25 protruding from the guide groove 221 to be inserted into the fixing groove 24 so that the user can rotate the guide groove 221 in any direction.

That is, the safety lid 22 is coupled to the front upper side of the handle 21 of the housing 20, and is rotatable about the rotation axis of the rotary blade 14.

A plurality of fixing grooves 24 are provided on the rear side of the safety lid 22 so as to protrude in the vertical direction from the upper surface of the housing 20, A piece 25 is provided.

Therefore, the user can rotate the direction of the safety lid 22 around the rotation axis of the rotary blade so as to rotate the direction of the guide groove 221. After the safety lid 22 is rotated, So that the safety cover 22 is fixed.

As described above, according to the present invention, even if the user grasps the grip 21 with the right or left hand, the guide groove 221 of the safety lid 22 can be easily used by being rotated and fixed.

9, the safety lid 22 includes a fixed lid 222 to which the chemical liquid reservoir 31 is coupled with respect to the guide groove 221, and a detachable variable And may include a cover 223 so that the variable cover 223 is disengaged and half of the rotary blade 14 is exposed to the outside.

That is, in the case of a small branch which can be sufficiently inserted into the guide groove 221, the variable cover 223 can be operated in a state of being fastened, and when the diameter of the branch is large, The variable lid 223 is removed and the rotary blade 14 is directly brought into contact with the branch so that the rotary blade can be used as a saw.

10, an extension part (not shown) having an auxiliary power supply part 111 which is connected to at least one multi-stage and is electrically connected to the power supply part 11 is provided on the rear end of the handle part 21, 23 are preferably provided.

Accordingly, the extended portion 23 is further extended to the rear end portion of the handle portion 21, thereby cutting a branch of a high area not touching the user's key. Or may be provided as a multi-stage boom that can be expanded and contracted by being pushed and pulled in.

At the end of the extension portion 23, an operating switch 41, a speed adjusting switch 42, and an auxiliary operating portion electrically connected to the operation switch 45 for selecting the water supply mode or the automatic mode are provided , And the rotary blade 14 can be controlled at a long distance even in a state where the extension portion 23 is extended.

In addition, as shown in Figs. 1 and 2, in order to facilitate handling such as fixing the user to a belt fixed to the waist during work or holding it on a shelf, the end portion of the handle 21 is provided with the present invention It is preferable that an annular portion for fixing the pruning cutting apparatus 100 according to the present invention is provided.

It is needless to say that the present invention is not limited to the above-described embodiment, and can be modified by those skilled in the art without departing from the spirit of the present invention. Accordingly, the scope of claim of the present invention is not limited within the scope of the detailed description, but will be defined by the following claims and technical ideas thereof.

100: Branch cutting device for pruning
11: power supply unit 111: auxiliary power supply unit
12: driving part 13:
14: rotating blade 20: housing
21: handle 22: safety cover
221: guide groove 222: fixed cover
223: Adjustable lid 23: Clip groove
24: fixing groove 25:
31: chemical solution reservoir 32: discharge port
33: discharge control means 331:
332: Discharge hole 333:
334: projecting projection 335: elastic member
34: Sponge 41: Operation switch
42: Speed control switch 43: Power indicator lamp
44: contact detecting means 441:
45: Operation switch

Claims (7)

A driving unit 12 for generating a rotational force by a power source supplied from the power source unit; a rotational force transmitting unit 13 for transmitting a rotational force interlocked with the driving unit; A handle 21 for receiving the power source, the driving unit, and the rotation force transmitting unit and holding the outer circumference by a user's hand, and a 'V' shaped guide unit 21 for allowing a part of the rotary blade to be exposed forward, A housing (20) including a safety lid (22) having a groove (221) formed to surround the rotating blade;
A clip groove (23) formed at one side of the safety cover;
A chemical solution reservoir (31) coupled to the clip groove, the chemical solution reservoir (31) having a sterilizing agent and a fertilizer component for disinfection therein and being fixed in a reverse direction so that the discharge port (32) faces downward;
Discharge adjusting means (33) for adjusting a discharge port of the chemical liquid reservoir; And
And a sponge (34) for receiving the chemical liquid discharged downward. When the branch is guided in the guide groove, the rotary blade is cut while rotating, and the chemical liquid is applied by contacting the sponge containing the chemical liquid to the end face of the incised branch ,
The discharge control means 33 includes a top plate 331 disposed at the end of the discharge port and provided with a discharge hole 332 on the inner side thereof, A blocking plate 333 provided with protruding and gradually tapering protrusion protrusions 334 and an elastic member 335 urging the blocking plate to contact with the overlay so that the protruding protrusion is pressed from the outside, And the chemical liquid is discharged through the gap between the discharging hole and the protruding projection.
delete [2] The apparatus according to claim 1, further comprising: an operation switch (41) for driving the rotary blade by supplying or cutting off the power of the power supply unit; a speed adjusting switch (42) And a power supply rechargeable battery lamp (43) for indicating the degree of charging of the battery.
4. The apparatus according to claim 3, wherein a contact detecting means (44) for detecting the inflow of a branch is provided inside the guide groove,
An operation switch 45 for selecting one of a manual mode for driving the rotary blade through the operation switch or an automatic mode for driving the rotary blade when the branch is guided to the guide groove and the contact sensing means senses it, Wherein the branching device is further provided with a branching device for branching.
The safety lid according to claim 1, wherein the safety lid (22) is rotatable about a rotation axis of the rotary blade (14), a plurality of securing grooves (24) And a fixing piece (25) protruding in a vertical direction on the surface of the guide groove (221) so as to be partially inserted into the fixing groove (24), so that the user can rotate the guide groove Cutting device for striking.
The safety lid according to claim 1, wherein the safety lid includes a fixed lid and a detachable lid provided on the opposite side of the fixed lid, / RTI >
So that the rotary blade (14) is exposed to the outside.
The portable terminal according to claim 1, wherein an extension part (23) is provided at the rear end of the handle part (21) and can be connected to at least one or more stages and has an auxiliary power part (111) electrically connected to the power part Wherein the branching device for branching comprises:

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