KR101852760B1 - a portable cutting machine of steel plate and steel bar - Google Patents

Abstract

Disclosed is a portable steel plate or steel bar cutter for cutting a steel plate or a steel bar of a fishing ship, such as an ironclad ship, so as to safely perform an inspection when a foreign ship which performs an illegal operation on the sea is cracked down. The portable steel plate or steel bar cutter comprises: a main body unit provided with an engine unit, and capable of being worn on a shoulder by a shoulder strap; a rotary shaft composed of a first rotary shaft connected to a flexible shaft connected to the engine unit and having a spline groove formed in an axial direction, and a second rotary shaft formed in a shape corresponding to the spline groove and coupled to be movable in an axial direction; an operation rod for accommodating the rotary shaft, having a cutting blade rotatably installed at an end thereof, and composed of first and second operation rods capable of adjusting the length to be able to be extended; and a handle mounted at a random position of the outer circumference of the second operation rod, and gripped when an object to be cut is cut.

Description

A portable cutting machine of steel plate and steel bar,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cutter, and more particularly, to a steel plate for fishing boats such as an armor ship, a portable steel plate for cutting a steel bar, and a reinforcing bar cutter for safely searching for a foreign language fishing line illegally operated at sea.

At present, the marine police use the oxygen cutter to change the illegal foreign language line, but the oxygen capacity is limited, so it can not be charged in the field if it is exhausted during interception.

Therefore, it is difficult to secure the isosurface space by using the oxygen cutter for the iron plate which obstructs the isosceles during interrupting the armor line, and it is difficult to open the wheelhouse due to the insufficient oxygen capacity when cutting the door to the wheelhouse for suppression after the isosail.

In addition, when the fishing boat is a neck line, the oxygen cutter has a fire hazard and can not be applied.

In addition, it is difficult to cut to the height above the hand height by the oxygen cutter, so it is difficult to cut to the high place of the front window of the closed wheelhouse. Therefore, even if cutting the door of the wheelhouse, it is difficult to grasp the trend of the captain who is preparing for resistance in the wheelhouse.

In addition, there are frequent situations where it is difficult to secure a space that can cover when entering the wheelhouse, and therefore it is inevitable to give up the crackdown.

Although not shown in the drawings, a general lawn mower generally includes a main body having a shoulder strap to be held on the shoulder, an engine installed in the main body, a fuel tank for supplying fuel to the engine, A working rod having a flexible shaft, a flexible shaft connected to the grip, and a rotary blade formed at an end of the working rod and rotated by the power transmitted from the engine.

Therefore, while the user holds the main body part on the shoulder, one hand can hold the work rod and the other hand can hold the handle and handle the weeds while using the rotary blade.

A portable manual lawn mower is posted in application number 10-2014-0157294.

In the embodiment of the present invention, when a foreign language line illegally operated in the sea is interrupted, the iron plate of the isosceles jamming wire is stably cut to secure the isosceles clearance, and the front window of the wheelhouse closed after the bead is cut, And the captain, etc., which can be accurately grasped the trends related to the portable steel plate and steel cutter.

The embodiments of the present invention can be applied to a portable steel plate, a reinforcing bar cutter, and a steel plate cutter capable of cutting an illegal ship, a high place (about 2.5 m high) of a distress vessel, .

The embodiment of the present invention relates to a portable iron plate and a reinforcing bar cutter which can secure safety because there is no risk of fire when cutting an iron plate of an illegal fishing boat.

The embodiment of the present invention relates to a portable iron plate and a reinforcing bar cutter capable of supplying fuel to an engine unit at an intermittent operation site, thereby enabling quick execution of the intermittent operation.

The embodiments of the present invention relate to a portable iron plate and a reinforcing bar cutter which are capable of using an illumination lamp in a dark place such as a ship's wheelhouse or during a cutting operation at night.

The portable steel plate and the reinforcing bar cutter according to the embodiment of the present invention

For the steel plate of the fishing boat, portable iron plate for cutting the reinforcing bar, and the reinforcing bar cutter when interrupting foreign language fishing line illegal at sea:

A main body portion provided with an engine portion and capable of sliding on a shoulder by a shoulder strap;

A first rotary shaft connected to a flexible shaft connected to the engine unit and having a spline groove formed in the axial direction thereof and a second rotary shaft formed in a shape corresponding to the spline groove and coupled to be movable in the axial direction, ;

A first and a second work rods accommodating the rotary shaft, the cutting rods being rotatably installed at the ends thereof, the first and second work rods being adjustable in length;

And a handle attached to an arbitrary position of the outer circumference of the second work rod to grasp the cut material when cutting the cut material.

The portable steel plate and the reinforcing bar cutter according to another embodiment of the present invention

For the steel plate of the fishing boat, portable iron plate for cutting the reinforcing bar, and the reinforcing bar cutter when interrupting foreign language fishing line illegal at sea:

A main body portion having an engine portion and an auxiliary handle formed to be portable;

A rotation shaft connected to the engine unit and having a first rotation axis in which a spline groove is formed in the axial direction and a second rotation axis formed in correspondence with the spline groove and coupled to the spline groove so as to be movable in the axial direction;

A first and a second work rods accommodating the rotary shaft, a cutting blade connected to the rotary shaft rotatably installed at an end thereof, and capable of adjusting a length thereof in a stretchable manner;

And a handle attached to an arbitrary position of the outer circumference of the second work rod to grasp the cut material when cutting the cut material.

The embodiment of the present invention configured as described above has the following advantages.

In the case of interception of a foreign language fishing line illegally operated at sea, it is necessary to secure a space for covering the iron plate of the armor line which is obstructing the isoparamis, and to cover the window when the entrance is made, cutting the front window of the closed wheelhouse, It is possible to finish the illegal crackdown successfully.

In addition, it is easy to carry and move in the form of a backpack, and it is possible to adjust the length of the shaft of the spline type, so that it is possible to cut illegal ship, high place of the ship of distress and steel plate at deep place, do.

In addition, there is no risk of fire when cutting iron plate of illegal fishing vessel, and it is possible to secure safety of interception agent and surrounding crew.

In addition, since the fuel can be supplied to the engine unit at the intermittent operation site, even if the intermittent operation is delayed, the cutting operation can be performed for a long time.

In addition, safety of the user can be ensured by using an illuminating lamp in a dark place such as the inside of a ship's barrel or during a cutting operation at night.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view of a main portion of a portable steel plate and a reinforcing bar cutter according to an embodiment of the present invention;
2 (a), (b), (c), (d) and (e) are partial cross-sectional views of the cutter shown in FIG. 1,
Fig. 3 is an enlarged view of the safety cover shown in Fig. 1,
4 is an overall perspective view of a portable iron plate and a reinforcing bar cutter according to an embodiment of the present invention,
FIG. 5 is a first use state showing cutting of a steel plate of an isosceles shielding wire using the cutter shown in FIG. 1;
FIG. 6 is a second use state diagram showing the cutting of the door of the wheelhouse after the isosceles in the horizontal direction by using the cutter shown in FIG. 1;
FIG. 7 is a third use state diagram showing the cutting of the door of the wheelhouse after the isosceles in the vertical direction using the cutter shown in FIG. 1;
8 is a perspective view of a portable steel plate and a reinforcing bar cutter according to another embodiment of the present invention,
Figure 9 is a side view of the cutter shown in Figure 1,
10 is a view of a locking means for adjusting the length of the first and second working rods.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a portable iron plate and a reinforcing bar cutter according to preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a cross-sectional view of a cutter shown in Fig. 1, Fig. 3 is a cross-sectional view of the cutter shown in Fig. 1 (a) FIG. 4 is an overall perspective view of a portable iron plate and a reinforcing bar cutter according to an embodiment of the present invention. FIG. 5 is a cross-sectional view FIG. 6 is a second use state view showing a state in which the door of the wheelhouse is cut in the horizontal direction by using the cutter shown in FIG. 1, and FIG. 7 is a second use state diagram showing the cutter shown in FIG. FIG. 8 is a perspective view of a portable iron plate and a reinforcing bar cutter according to another embodiment of the present invention, and FIG. 9 is a sectional view of the cutter shown in FIG. 1, Side view of And FIG. 10 is a view of a locking means for adjusting the length by extending the first and second working rods.

1 to 8, a portable iron plate and a reinforcing bar cutter according to an embodiment of the present invention,

It is applied to iron plates formed to obstruct the islands of fishing boats such as armor guards, portable iron plates for cutting reinforcing bars, and reinforcing bars.

The above-described cutter includes a body portion 12 that can be pushed by the user to the shoulder, a rotary shaft 17 that transmits power from the engine portion 10 of the body portion 12, And a handle 22 for grasping during operation.

The shoulder strap (11) is provided on the shoulder portion of the body portion (12) which can be pushed like a backpack.

The rotary shaft 17 has a first rotary shaft 15 connected to the flexible shaft 13 connected to the engine unit 10 and having a spline groove 14 formed therein in the axial direction and a second rotary shaft 15 corresponding to the spline groove 14 And a second rotation shaft 16 formed to be movable in the axial direction.

The working rod 21 receives the first rotary shaft 15 and is provided with a cutting blade 18 (for example, a cutting stone, a diamond cutting blade, or a saw blade for wood can be used) And a second work rod 20 slidingly coupled with the first work rod 19 and accommodating the second rotation shaft 16 so as to adjust the length of the work rod 21 .

The handle 22 to be gripped at the time of cutting the material to be cut is mounted at an arbitrary position on the outer circumference of the second working rod 20. [

More preferably, it is mounted on the outer side surface of the safety cover 23 provided with the cutting edge 18, and is used for cutting the cut material (steel plate, reinforcing bar which interferes with the isosceles of the illegal fishing line armor line) And a magnetic body 24 for detachably attaching the safety cover 23 to the workpiece during work.

An engaging groove 25 formed at an outer periphery of the first working rod 19 while being equally spaced in the axial direction;

A fixing pin 26 formed rotatably in a sheath shape on an elbow-shaped main body A coupled to a predetermined position of the outer circumference of the second work bar 20 and selectively detachably coupled to the engaging groove 25, ;

A pressing portion 27 formed on the fixing pin 26 for releasing the fixing pin 26 from the engaging groove 25 when pressed;

And a locker 28 made of an elastic member (not shown) using a compression coil spring for elastically supporting the locking pin 26 in a locked state by engaging the fixing pin 26 with the locking groove 25.

The laser beam is mounted on one side of the outer surface of the safety cover 23 and is emitted by the laser beam at the time of cutting the material to be cut by the cutting edge 18 to display the advancing direction of the cutting edge 18 on the cut material And a laser beam projecting body 29.

When cutting the object to be cut in a state in which the length of the first and second work rods 19 and 20 is adjusted to maintain an arbitrary length,

In order to prevent the first and second working rods 19 and 20 from being twisted, protrusions 30 (which may be formed in a semicircle, for example) protruding axially outward from the outer periphery of the first working rods 19 And a guide rail 31 (which may be formed in, for example, a U-shape) axially formed on the outer periphery of the second working rod 20 so that the protruding portion 30 can be slidably moved (supporter).

The handle 22 is formed of an aluminum (Al) material in order to prevent slippage due to sweat or foreign matter during gripping and to secure a feeling of grip, and a non-slip 33 formed on the surface Lattice structure, or knurling).

(Not shown) formed in the first working rod 19 so as to penetrate radially the arbitrary position of the second working rod 20 and to be detachably connected to the first and second working rods 19 and 20 And a separation preventing pin 34 for preventing the first work rod 19 from being separated from the second work rod 20 when the length of the first work rod 19 is adjusted to be extended.

When the length of the first and second work rods 19 and 20 is adjusted by extension, the second work rods 20 and the first work rods 19 are radially fastened to the second work rods 20, (For example, a screw can be used) for preventing the first working rod 19 from being warped.

In order to ensure the safety of the operator by lighting the cutter at night in a dark place such as the inside of the ship's wheelhouse or a place where no separate lighting device is provided, (Which may be mounted at the tip of the first working rod 19), and is connected to the battery (not shown) in a conductive manner.

At this time, the technology of turning on / off the illumination lamp 40 (e.g., an LED or the like) by turning on and off the power of the battery is the technical content used in the related art, and thus a detailed description thereof will be omitted.

In the figure, reference numeral 36 denotes the first and second working rods 19 and 20 that adjust the length of the working rod 21, and when the first and second working rods 19 and 20 are fastened, (In the form of female thread and male thread).

A main body portion 12 which can be held on the shoulder by a shoulder strap 11 and a flexible shaft 13 connected to the engine portion 10 Since the cutting blade 18 rotated by the power of the engine 10 to be delivered belongs to the technical content used in the related art, detailed description thereof will be omitted.

Hereinafter, examples of using a portable steel plate and a reinforcing bar cutter according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

As shown in Figs. 4 and 5, when the foreign language wire being illegally operated at sea is interrupted, the iron plate and the reinforcing bar of the armor line (A), which interferes with the beating line of the interception agent, can be stably and easily (See Fig. 5). As a result, it is possible to secure access roads for police officers.

As shown in Figs. 4, 6, and 7, it is possible to quickly cut the horizontal bar (see Fig. 6), or quickly cut in the vertical direction, (As shown in FIG. 7), so that it is possible to effectively perform the check retrieval through the interception of the illegal fishing boat.

The operation ready state is completed as the cutting edge 18 is rotated by the rotational force transmitted from the engine section 10 through the flexible shaft 13 and the rotary shaft 17 as the engine section 10 is operated .

Therefore, when the shoulder strap 11 holds the main body 12 against the shoulder of the user, one hand grasps the handle 22 mounted at an arbitrary position of the second workbench 20, One hand can cut a piece to be cut (steel plate, reinforcing bar, etc. of the illegal fishing boat) by operating a rotation force adjusting switch 35 formed on one side of the second working rod 20.

At this time, since the working rod 21 and the rotating shaft 17 can be adjusted in length in the axial direction, it is possible to easily cut the illegal ship, the high place of the distress vessel (the place as high as about 2.5 m) can do.

That is, as the user presses the pressing portion 27 in the radial direction of the work rod 21, which constitutes the rocker 28 formed in a sheath shape at a predetermined position on the outer circumferential edge of the second work rod 20, Is detached from the engagement groove 25 at an arbitrary position axially formed on the outer periphery of the first work rod 19 to which the fixing pin 26 of the second work rod 19 is coupled.

The first work rod 19 is slid with respect to the second work rod 20 to adjust the work rod 21 to have an arbitrary length and then the external force is applied from the pressing portion 27 of the locker 28 The fixing pin 26 is elastically biased by the resilient restoring force of the elastic member (for example, a compression coil spring is used) provided in the pressing portion 27 to prevent the engagement groove 25 ). ≪ / RTI >

Accordingly, the first work rod 19 is slidably moved with respect to the second work rod 20 so that the length of the work rod 21 can be adjusted.

As described above, when the length of the working rod 21 is adjusted, the rotating shaft 17 accommodated in the working rod 21 is composed of the first and second rotating shafts 15 and 16, 21 can be adjusted.

That is, the second rotary shaft 16, which is accommodated in the second working rod 20 and is formed in a corresponding one of the spline grooves 14 formed in the axial direction at the center of the first rotary shaft 15 connected to the flexible shaft 13, The length of the working rod 21 can be adjusted by extending and sliding.

On the other hand, when the cutting edge 18 cuts the iron wire for controlling the isola of the intermittent worker, the magnetic body 24 mounted on the outer surface of the safety cover 23 that covers the cutting edge 18 can be attached to and detached from the iron plate The shaking of the cutting blade 18 rotated at a high speed at the start of cutting the steel sheet can be minimized and the steel sheet can be cut in a more stable posture.

The laser beam D emitted from the laser beam projecting body 29 mounted on the outer surface of the safety cover 23 is displayed in a straight line on the iron plate when the steel plate is cut by the cutting blade 18 described above, 18).

Therefore, the steel plate can be finely cut by the cutting edge 18, and workability can be improved.

It is also possible to prevent the work rod 21, which is composed of the first and second work rods 19 and 20, from being twisted and deformed when the iron plate positioned at an arbitrary height is cut by adjusting the work rod 21 to maintain an arbitrary length have.

That is, the protrusion 30 protruding axially from the outer periphery of the first work rod 19 is slidably coupled to the guide rail 31 formed on the outer periphery of the second work rod 20 It is possible to reinforce the strength of the first and second work rods 19 and 20 that have been adjusted to have an arbitrary length according to the length of the first and second work rods 19 and 20 Can be minimized.

On the other hand, the protective cover (50) mounted on the tip of the first work rod (19) can cut off the fragments scattered to the user when the workpiece is cut using the cutter, and the protective cover It can be selectively used according to the place where it is used.

Referring to FIG. 8, the portable iron plate and the reinforcing bar cutter according to another embodiment of the present invention,

For the steel plate of the fishing boat, portable iron plate for cutting the reinforcing bar, and the reinforcing bar cutter when interrupting foreign language fishing line illegal at sea:

A main body portion 12 provided with an engine portion 10 and having an auxiliary handle 10a formed on an outer surface thereof so as to be portable;

A first rotating shaft 15 connected to the engine unit 10 and having a spline groove 14 formed therein in the axial direction and a second rotating shaft 15 formed corresponding to the spline groove 14 and movable in the axial direction A rotary shaft 17 composed of a second rotary shaft 16 coupled to the second rotary shaft 16;

And a first and a second working rods 19 and 20 accommodating the rotary shaft 17 and rotatably mounted on the end of the rotary shaft 17 and connected to the rotary shaft 17, A working rod 21;

And a handle (22) mounted at an arbitrary position on the outer periphery of the second worktable (20) and gripping the workpiece when cutting the workpiece.

At this time, the auxiliary handle 10a formed on the engine 10 so as to prevent the cutter from being carried by the shoulder strap 11 in a stowed manner and to be gripped, Except for the working rod 21, is the same as that of the cutter according to the embodiment shown in Fig. 4, and thus detailed description thereof will be omitted.

Therefore, according to the portable steel plate and the reinforcing bar cutter according to another embodiment of the present invention, the components of the structure for mounting the shoulder strap 11 and the shoulder strap 11 shown in Fig. The pipe-shaped work rods 21 are directly connected to the engine unit 10 integrally so as to reduce the weight and size of the cutter.

Therefore, the user can grasp the handle 22 of the work rod 21 and the auxiliary handle 10a of the engine unit 10 to easily cut the object to be cut, thereby improving usability and practicality.

As described above, according to the portable iron plate and the reinforcing bar cutter according to the embodiment of the present invention, it is possible to cut illegal fishing vessels from the sea or steel plates located at arbitrary heights (about 2.5 m) in various marine accidents, Fuel can be replenished to the engine part quickly and it can be practically used when intercepting illegal fishing boats at sea.

In other words, when an illegal fishing vessel such as a Chinese ship is intercepted during the traps, the iron plate and reinforcing bars of the armored ship (A), which is completely closed to obstruct the isles of the interception agent, are cut using a cutter worn by the intervention agent Accordingly, it is possible to perform a search for a check sentence completely by making an abbreviation for an armouring line (A).

In addition, even after the beak is broken, the doorway of the wheelhouse (C) and the engine room is cut using a cutter worn by the intervention agent, so that it is possible to accurately grasp the crewmember trends such as the skipper being prepared for resistance in the wheelhouse (C).

Although not shown in the drawings, the cutting blade 18 mounted on the end of the work rod 21 made up of the first and second work rods 19 and 20 that can be stretched or shrunk can be used to raise or lower an arbitrary height It can be used as a structural cutter for cutting steel plates such as ships in order to cut reinforcing bars, steel plates, FRP plastics, or prefabricated containers in narrow passages, or to recover the victims of vessels isolated or overturned in buildings.

Alternatively, the cutter blade 18 can be replaced with a saw blade for wood cutting, and can be used as a cutter for lawn mowing that can cut branches at an arbitrary height, such as grasshoppers or fruit trees, in rural areas.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the disclosure as defined in the following claims. As will be understood by those skilled in the art.

10; An engine section 11; Shoulder strap
12; A body portion 13; Flexible shaft
14; Spline groove 15; The first rotating shaft
16; A second rotation shaft 17; Rotating shaft
18; Cutting blade 19; The first working rod
20; A second work bar 21; Working rod
22; A handle 23; Safety cover
24; Magnetic substance 25; Latching groove
26; A fixing pin 27; The pressing portion
28; Locker 29; Laser beam projectile
30; A protrusion 31; Guide rail
32; Supporter 33; Non-slip
34; Release prevention pin

Claims (10)

For the steel plate of the fishing boat, portable iron plate for cutting the reinforcing bar, and the reinforcing bar cutter when interrupting foreign language fishing line illegal at sea:
A main body having an engine unit;
A first rotation shaft connected to the flexible shaft connected to the engine unit and having a spline groove formed therein in the axial direction, a second rotation shaft formed corresponding to the spline groove and coupled to the spline groove movably in the axial direction, A rotary shaft;
A working rod accommodating the rotating shaft and having a cutting blade connected to the rotating shaft rotatably installed at an end thereof;
And a handle mounted at an arbitrary position on the outer periphery of the work rod to grip the workpiece when cutting the workpiece,
And a magnetic body mounted on an outer surface of the safety cover provided with the cutting blade and for attaching the safety cover to the workpiece during an initial operation for cutting the workpiece by the cutting blade,
The working rod
The first and second working rods being adjustable in length so as to be stretchable,
An engaging groove formed at an outer periphery of the first workpiece while being equally spaced in an axial direction;
A fixing pin formed to be rotatable in a sheath shape on an elbow-shaped body coupled to an arbitrary position of an outer circumference of the second work rod, and selectively detachably coupled to the engaging groove;
A pressing portion extending from the fixing pin and detaching the fixing pin from the latching groove when pressing;
And an elastic member for elastically supporting the locking pin in the locking groove by being engaged with the locking pin,
A protrusion protruding in the axial direction on the outer periphery of the first work rod to prevent the first and second work rods from being twisted when the length of the first and second work rods is adjusted after cutting the workpiece; And a supporter including a guide rail axially formed on an outer periphery of the second work bar so as to be slidably moved,
Wherein the first and second working rods are detachably coupled to the coupling holes formed in the first working rods through radial positions of the second working rods, and when the lengths of the first and second working rods are adjusted by extending, And a separation preventing pin for preventing the first working rod from being detached and separated,
Wherein the first and second work rods are coupled to the first and second work rods in a radial direction to prevent warping of the first work rods with respect to the second work rods, And a fastening member for fastening the reinforcing bar to the reinforcing bar. delete delete delete The method according to claim 1,
And a laser beam projecting body mounted on one side of the outer side of the safety cover for displaying a traveling direction of the cutting blade on the cut material by a laser beam emitted on a date when the cut material is cut by the cutting blade A portable iron plate, a reinforcing cutter. delete The method according to claim 1,
Wherein the handle has a non-slip formed on a surface thereof to prevent a slip during gripping and ensure a grip feeling. delete The method according to claim 1,
And a lamp mounted on a front end of the working rod and connected to the battery in a conductive manner. delete

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