KR102482798B1 - Multipurpose Field Agricultural working machine - Google Patents

Abstract

The multi-purpose field farming work machine of the present invention includes a driver's seat 112 provided on the upper surface on which a worker can sit, a side protection guard 160 provided on both sides of the driver's seat 112 to protect the operator, and protruding in parallel to the front body 110 including a fixed frame 111 provided with a first through hole, caterpillars 130 provided on both sides of the body 110 to provide driving force, and provided on the back of the driver's seat 112, It consists of a machine room 140 in which mechanical parts are built in, and an attachment connector 120 is further provided; The attachment coupler 120 includes a rotational shaft 121 rotated by a driving means inside the body 110 and a first hydraulic cylinder 122 coupled to the middle portion of the rotational shaft 121 and having a second through hole formed at the end thereof. Including, when the attachment connector 120 is not in use, the main point is to fix the attachment connector 120 to the body 110 by coupling means penetrating the first through hole and the second through hole.

Description

Electric multipurpose field agricultural working machine based on autonomous driving {Multipurpose Field Agricultural working machine}

The present invention relates to an autonomous driving-based electric multi-purpose field agricultural work machine, and specifically, is lightweight, compact, safe and eco-friendly, so that even elderly farmers and women can easily operate it, can be used anywhere in the agricultural field, and is safe Self-driving-based electric multi-purpose field agricultural work machine that enables women such as elderly or female drivers to do agricultural work without effort by enhancing convenience and ease due to the ability to perform functions and various additional tasks will be.

Currently, agriculture is in an urgent situation to improve agricultural conditions due to the decrease and aging of the agricultural population and the increase in agricultural management costs. .

In Korea, the aging phenomenon of the farm household population is becoming more and more prominent, and the elderly agricultural population aged 65 or older is increasing to 42.5% in 2017. corresponds to %.

The average female farmer's operating rate is 31.8%, and the number of types of agricultural machinery that can be handled is 1.95 on average. Because it's inconvenient.

Therefore, there is a need to develop new agricultural machines that are safe, environmentally friendly, and can be easily operated by elderly farmers and women.

1 is a side view of a conventional agricultural work machine.

As shown, the engine is installed on the upper part of the main frame, the wheels 2 are rotatably driven by the engine on the lower part of the main frame, and the transmission driven by the output shaft of the engine is installed on the rear end of the main frame and installed on the lower part of the transmission. The rotary 12 is mounted to be rotatably driven.

In the case where the mudguard cover 10 covering the upper and rear parts of the rotary 12 and the transmission is provided at the rear end of the main frame, the second frame 20 in the form of a long shaft is formed at the rear of the upper skeleton of the mudguard cover 10. The front end is detachably coupled so that the chair 21 is provided at the rear end of the second frame 20, the upper end of the auxiliary shaft 23 is coupled to the middle of the second frame 20, and the auxiliary shaft 23 ) A configuration in which an auxiliary wheel 13 is provided at the lower end is known.

However, the above agricultural work machine has a problem that it is not easy for women to encounter because it is large, heavy, and does not fit the female body shape, making it difficult to operate.

Registered Utility Model Publication No. 20-0459439 (Announced on March 23, 2012)

The present invention is intended to solve the above problems, and is light, compact, safe and eco-friendly, so that even elderly farmers and women can easily operate, can be used anywhere in the agricultural field, and can perform safety functions and various additional tasks. It is intended to provide a multi-purpose field farming machine that can be used.

The multi-purpose field farming work machine of the present invention is a driver's seat provided on the upper surface for a worker to sit on, a side protection guard provided on both sides of the driver's seat to protect the operator, and a fixed frame with a first through hole protruding in parallel to the front surface A body including a body, an endless track provided on both sides of the body to provide driving force, provided on the back of the driver's seat, and composed of a machine room with built-in mechanical parts therein, and an attachment connector further provided; The attachment coupler includes a rotational shaft rotated by a driving means inside the body, and a first hydraulic cylinder coupled to the middle portion of the rotational shaft and having a second through-hole formed at the end, and when the attachment coupler is not used, the first through-hole and It is characterized in that the attachment connector is fixed to the body by a coupling means penetrating the second through hole.

In addition, a traction device is further provided; The traction device includes a hook fixed in a protruding state on the outer surface of the machine room, a fastening hole provided in a shape penetrating the upper surface of the hook, an outlet provided in a recessed shape on one side of the upper surface of the hook, and an inlet or It includes a drawn-out blocking plate, one end of which is connected to a driving means installed inside the machine room, and the other end is connected to the blocking plate, and a second hydraulic cylinder that opens or blocks the through-hole by drawing and withdrawing the blocking plate. to be characterized

In addition, a hybrid engine is provided inside the body; The electric motor installed in the hybrid engine is characterized in that it is an AC motor.

In addition, a joystick is further provided; The joystick is installed on the front and lower parts of the driver's seat, and includes a support body having a guide groove formed on one side of the upper surface, an 'L'-shaped drive handle, and a guide groove formed on the upper surface of the support body provided on the lower end of the drive handle. It is characterized in that it includes a support shaft rotating in the left and right circular arc directions along, and a rotating plate provided at the lower end of the support shaft.

In addition, a control unit is further provided; When the rotating plate rotates, the control unit detects the amount of rotation and controls the steering angle of the caterpillar by a steering signal corresponding to the amount of rotation.

In addition, an ON/OFF button and a side brake button are provided on the upper surface of the support body.

In addition, the drive handle includes a brake lever provided in the shape of a lever protruding on the bottom surface, an acceleration/deceleration lever provided in a structure protruding on the front surface of the column portion, a direction indicator button provided on the upper surface, and a second hydraulic cylinder button And, it is characterized in that it comprises a reverse button, a rollover restoration button and a speed display window.

In addition, a rollover restoration device is further provided; The rollover recovery device is provided at the upper end of the machine room, a bend pipe-shaped hydraulic cylinder drawn out or drawn in by a driving means, a support plate provided at the end of the bend pipe shape hydraulic cylinder, and having protrusions formed on the outer surface, and a bend pipe shape It is characterized in that it comprises a hinge shaft coupled between the end of the hydraulic cylinder and the support plate.

In addition, the side protection guard has a height higher than the height of the driver's seat sitting height, and an arc-shaped reinforcing bar having an arc shape at the top, and a horizontal side provided in a shape that crosses the inside of the arc-shaped reinforcing bar horizontally or vertically. It is characterized in that it consists of a reinforcing bar and a vertical reinforcing bar.

In addition, a driver's seat leveling device is further provided; The driver's seat leveling device has a structure that protrudes from the upper surface of the body and is connected to the lower surface in front of the driver's seat, and is drawn in and out by a driving means that interlocks with the signal of the control unit, thereby adjusting the height of the front part of the driver's seat. It is a structure that protrudes from the driver's seat and is connected to the bottom of the back of the driver's seat, and is drawn in and out by a driving means that interlocks with the signal of the control unit. It is characterized in that it includes a gradient sensor for measuring and transmitting the measured signal to the controller, and a warning light that the controller receives a signal from the gradient sensor for detecting a dangerous slope of the front ground and emits light according to the signal of the controller.

The multi-purpose field farming work machine of the present invention is light, compact, safe and eco-friendly, so that even elderly farmers and women can easily operate it, can be used anywhere in the agricultural field, and can perform safety functions and various additional tasks. It works.

In addition, there is an effect of maintaining the driver's seat level even on a sloped ground and an effect of restoring the multi-purpose field farming work machine to its original position when it is overturned.

1 is a side view of a conventional agricultural work machine.
Figure 2 is a perspective view of the multi-purpose field agricultural work machine of the present invention.
Figure 3 is a side view of a multi-purpose field farming work machine.
Figure 4 is a coupled state diagram of the attachment connector.
5 is an enlarged side view of the connecting device;
6 is a schematic diagram of a hybrid engine;
7 is a perspective view of a joystick;
Figure 8 is a schematic side view of a work machine equipped with an overturn recovery device.
Figure 9 is a partial enlarged view of the rollover recovery device.
Figure 10 is a flow chart of the driving state of the rollover recovery device.
11 is a coupling state diagram of the handle.
12 is a cross-sectional view of the pressing piece before an operating state.
13 is a cross-sectional view of a state in which the pressing piece is operated;
14 is a state diagram of a driver's seat leveling device when driving on a flat ground.
15 is a state diagram of a driver's seat leveling device when driving on a sloped ground.

A preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings. For reference, the size of components, the thickness of lines, etc. shown in the drawings referred to in describing the present invention may be somewhat exaggerated for convenience of understanding.

In addition, the terms used in the description of the present invention are defined in consideration of the functions in the present invention, and may vary depending on the user, operator's intention, convention, and the like. Therefore, the definition of this term deserves to be made based on the contents throughout this specification.

And in this application, terms such as 'include' and 'have' refer to the existence of a specific number, step, operation, component, part, or combination thereof described in the specification, but one or more other It should be understood that the presence or addition of features, numbers, steps, operations, components, parts, or combinations thereof is not precluded.

In addition, the present invention is not limited to the embodiments disclosed below, but will be implemented in a variety of different forms, and only this embodiment makes the disclosure of the present invention complete, and the scope of the invention to those skilled in the art. It is provided for complete information.

Therefore, since the present invention can have various changes and various forms, implementation examples (態樣, aspects) (or embodiments) will be described in detail in the specification. However, this is not intended to limit the present invention to a specific disclosed form, and it should be understood to include all changes, equivalents, and substitutes included in the technical spirit of the present invention, and the singular expression used in this specification is clearly different from the context. Include plural expressions unless otherwise indicated.

However, in describing the present invention, detailed descriptions of known or known functions or configurations will be omitted to clarify the gist of the present invention.

Hereinafter, specific embodiments of the present invention will be described with reference to the drawings.

Figure 2 is a perspective view of the multi-purpose field agricultural work machine of the present invention, Figure 3 is a side view of the multi-purpose field agricultural work machine, Figure 4 is a coupled state diagram of the attachment connector, Figure 5 is an enlarged side view of the connection device.

As shown, the multi-purpose field farming work machine (100, hereinafter referred to as 'work machine') includes a body 110, an attachment connector 120, a caterpillar 130, a machine room 140, and a traction device 150 there is.

The body 110 has a box-shaped structure in which parts such as an engine are built in, and a driver's seat 112 on which a worker can sit is provided on the upper surface of the body 110, and both sides of the driver's seat 112 are provided. Equipped with a side protection guard 160 that protects the operator from fragments such as stones and tree branches that may be introduced from the outside toward the operator.

In addition, the front surface of the body 110 has two fixing frames 111 formed with first through holes protruding in parallel, so that the end of the first hydraulic cylinder 122 of the attachment connector 120 to be described later is the fixing frame ( 111), the attachment connector 120 when not in use is connected to the body ( 110) to function as a fixation.

That is, when the attachment coupler 120 is not used, the attachment coupler 120 is connected by a coupling means passing through the second through-hole of the first hydraulic cylinder 122 and the first through-hole of the fixing frame 111 and coupled thereto. Since it is fixed to the body 110 and does not interfere with the work machine 100 when performing other field work, it does not interfere with other field work.

The caterpillars 130 are provided on both sides of the body 110 and function to provide driving force when the work machine 100 moves forward or backward.

The attachment connector 120 includes a rotating shaft 121 and a first hydraulic cylinder 122 .

The rotating shaft 121 has a first hydraulic cylinder 122 fixed to the middle portion, and the rotating shaft 121 is rotated by a driving means (not shown) inside the body 110, thereby generating a first hydraulic cylinder. Controls the rotation angle of (122).

Therefore, when the rotational shaft 121 is rotated when using the attachment device, the first hydraulic cylinder 122 connected to the rotational shaft 121 is rotated, and the angle is controlled so as to face forward.

The first hydraulic cylinder 122 is connected to a driving means (not shown) so that it can be pulled out and drawn in, and an attachment device such as a vinyl collector, weeder, twig crusher, etc. can be connected to one end of the first hydraulic cylinder 122 to allow additional field work to proceed. there is.

The machine room 140 is provided on the rear side of the driver's seat 112, and inside the machine room 140, mechanical parts such as driving means used for a work machine are built in.

The traction device 150 has a function of connecting an additional field work machine in order to connect an additional field work machine such as a pest control machine to perform field work such as spraying a chemical liquid, etc., and has a hook 151, It includes an outflow inlet 152, a blocking plate 153, a fastening hole 154, and a second hydraulic cylinder 155.

The hook 151 is fixed in a protruding state on the outer surface of the machine room 140, and has a function of maintaining traction strength when an additional field work machine is fastened.

The fastening hole 154 is provided in a shape penetrating the upper surface of the hook 151 and has a function of coupling a connecting means such as a wire connecting an additional field work machine.

The outlet 152 is provided in a recessed shape on one side of the upper surface of the hook 151, and has a function of guiding a blocking plate 153 to be described later to be drawn in and out.

The blocking plate 153 prevents the connection means fastened to the fastening hole 154 from being separated, and is drawn in or out of the outlet 152 to selectively open or shield the fastening hole 154 for connection. A space in which the means can be fastened is secured or the fastened connection means is prevented from being separated.

The second hydraulic cylinder 155 has one side connected to a driving means (not shown) installed inside the machine room 140, and the other end connected to the blocking plate 153, so that the second hydraulic cylinder 155 The blocking plate 153 opens or blocks the through hole 154 by drawing in and out.

The reason why the traction device 150 as described above is presented in this embodiment is that the work machine of the present invention is intended to be easily operated by women.

That is, the woman can control the withdrawal and retraction of the second hydraulic cylinder 155 only by pressing the second hydraulic cylinder button 380, which is a control means of the joystick 300 to be described later, and the fastening hole of the hook 151 It is easy to open or shield the 154, and the operation is simple compared to using a fastening means such as a bolt to shield the fastening hole of the hook as in the prior art, so that women can do field work without effort will be.

In the following embodiment, the hybrid engine adopted for this working machine will be described.

Since the hybrid engine has high fuel efficiency and reduced exhaust gas compared to conventional internal combustion engines that generate relatively low fuel efficiency and undesirable exhaust gas emitted during operation, the hybrid engine is installed in the working machine of the present embodiment. is presenting

6 is a schematic diagram of a hybrid engine.

As shown, the hybrid engine 200 provided inside the work machine body 110 includes an internal combustion engine 202, an electric motor 204, a motor control unit 206, and a battery 208.

The internal combustion engine 202 is a power generator for operating a work machine, and the work machine is operated by the internal combustion engine 202, and travel is performed by an electric motor 204 driven by electricity charged in a battery using the internal combustion engine. run

The electric motor 204 has a function as a generator for charging the battery 208 or supplying electrical energy to various electrical components in the work machine, and also has a function of driving the work machine.

The electric motor 204 may function as a generator when torque from the internal combustion engine 202 is not required (for example, when the work machine is idling, inertial operation, braking, etc.).

That is, the electric motor 204 has a function of supplying mechanical energy for operating one or more systems in the work machine and simultaneously driving the work machine.

The electric motor 204 of this embodiment is characterized by applying an AC motor.

BLDC motors, which are mainly used in existing electric agricultural machines, have been found to have limitations in providing power in many sloped terrains in Korea. A general DC motor basically has a square wave counter-electromotive force, which has limitations in terms of control.

In order to compensate for these disadvantages, an AC motor is applied in the present embodiment, and since the counter electromotive force of the AC motor is in the form of a sine wave, functions such as torque ripple, speed tracking performance, and steering are excellent.

The motor control unit 206 controls the fuel injectors to retard or limit the amount of fuel to the internal combustion engine 202, thereby controlling the output of the internal combustion engine, thereby controlling the amount of electricity generated by the internal combustion engine.

The battery 208 is configured to accept charge from the electric motor 204 when the electric motor 204 is functioning as a generator.

If the battery 208 is not sufficiently charged while the work machine is running, the work machine runs only with the internal combustion engine 202 until the battery 208 is recharged.

According to an exemplary embodiment, a separate charger for charging the battery 208

Electricity is also provided. Such a charger includes a connector, shown as a plug 234, and allows a user to connect power to the hybrid engine 200 when the implement is not in use.

In the following embodiments, a device that allows a woman to easily perform a steering operation of a work machine will be described.

When steering or driving a working machine, existing agricultural or field working machines use handles, etc., so it was difficult for women to steer by force. We want to provide a device that can be easily performed by hand.

The steering device of this embodiment employs a joystick, and FIG. 7 is a perspective view of the joystick.

As shown, the joystick 300 is installed in front of the driver's seat 112 of the work machine 100 to facilitate the steering operation of a woman, and the joystick 300 includes a support body 310 and a drive handle 320 , brake lever 330, acceleration/deceleration lever 340, ON/OFF button 350, side brake button 360, direction indicator button 370, second hydraulic cylinder button 380, reverse button 390 , and includes a rollover restoration button 400.

The support body 310 has the shape of a flat plate having a certain thickness, and is installed on the front and lower ends of the driver's seat 112, and has a function of embedding or supporting parts of the joystick.

In addition, a guide groove 323 is formed on one side of the upper surface of the support body 310 to guide the left and right rotation of the support shaft 321 to be described later.

The driving handle 320 has an 'L' shape so that women can easily grip it, and a support shaft 321 is provided at the lower end of the driving handle, and a work machine by an acceleration/deceleration lever 340 to be described later on the upper surface. A speed display window 340a for displaying the speed is provided.

The support shaft 321 rotates in the left and right arc directions along the guide groove 323 formed on the upper surface of the support body 310, and the rotation plate 322 is fixed to the lower end of the support shaft 321. , The rotation plate 322 also rotates in association with the rotation of the support shaft 321 .

When the rotating plate 322 rotates, the control unit (not shown) detects the amount of rotation and controls the steering angle of the caterpillar 130 according to the steering signal corresponding to the amount of rotation, thereby controlling the steering direction of the work machine. It can be done.

That is, when the rotation amount of the rotary plate 322 is large, the steering angle of the caterpillar 130 is increased, and when the rotation amount is small, the steering angle of the caterpillar 130 is small, and when the rotary plate 322 rotates to the left, the caterpillar ( 130) is also displaced to the left, and when the rotating plate 322 rotates to the right, the caterpillar 130 is also displaced to the right, so that women can easily adjust the steering direction of the work machine.

The brake lever 330 is provided in the shape of a lever protruding from the lower surface of the driving handle 320, and the brake is operated by pulling the operator's index finger to stop the working machine.

The acceleration/deceleration lever 340 has a structure protruding from the front of the pillar part of the drive handle 320, and the insertion depth is adjusted in conjunction with the operator's index or middle finger gripping force, thereby accelerating the speed of the work machine. or can be decelerated, and the speed is displayed on the speed display window 340a provided on the upper surface of the drive handle.

That is, the acceleration/deceleration lever 340 has the same function as an accelerator pedal of a vehicle.

The ON/OFF button 350 is provided on the upper surface of the support body 310, on the front side, and has a function of starting or stopping the operation of the work machine.

That is, when the ON/OFF button 350 is pressed once, the working machine is started, and when pressed again, the start is turned off.

The side brake button 360 is provided on one side of the upper surface of the support body 310 and has an auxiliary function of maintaining the stop state of the work machine.

The direction indicator button 370 is provided on the upper surface of the driving handle 320 and has a function of turning on the direction indicators of the work machine.

The second hydraulic cylinder button 380 is provided on the upper surface of the drive handle 320, and is divided into a second hydraulic cylinder withdrawal button 380a and a second hydraulic cylinder retraction button 380a, and of the traction device 150. Executes a function of withdrawing or retracting the second hydraulic cylinder 155. (See Fig. 5.)

The reverse button 390 is provided on the upper surface of the driving handle 320 and has a function of reversing the work machine.

The overturn restoration button is a button that restores the overturned work machine by the overturn restoration device 400, in which there is a case where the work machine is overturned and overturned on a field head or slope in the course of field work. The specific configuration for this will be described later.

The joystick 300 having the structure described above is capable of driving and steering a work machine by simply rotating the joystick 300, pressing a button, or operating a lever with a finger while a female operator is seated on a driving seat. Since functions such as , stop, etc. can be easily executed, even women can easily operate the device, so the convenience of operation can be maximized.

In the following embodiment, when a working machine is overturned by a furrow or a ramp during field work, a rollover restoration device capable of restoring by itself will be described.

8 is a schematic side view of a working machine equipped with a rollover restoration device, FIG. 9 is a partial enlarged view of the rollover restoration device, and FIG. 10 is a flow chart of a driving state of the rollover restoration device.

As shown, the rollover recovery device 400 includes a hydraulic cylinder 410, a hinge shaft 420, and a support plate 430, and the side protection guard 160 is an arc-shaped reinforcement 163, It organically interlocks with the configuration including the horizontal reinforcement 161 and the vertical reinforcement 162.

The hydraulic cylinder 410 in the shape of a bend pipe of the rollover recovery device 400 is provided at the upper end of the machine room 140, and the multi-stage cylinder is provided in the shape of a bend pipe, and is drawn out or drawn in by a driving means not shown. has

The support plate 430 is provided at the end of the bend-shaped hydraulic cylinder 410, and has a function of a footrest that pushes the ground when the end of the bend-shaped hydraulic cylinder 410 contacts the ground.

Protrusions 431 are formed on the outer surface of the support plate 430 to prevent the support plate 430 from slipping on the ground.

The hinge shaft 420 is coupled between the end of the hydraulic cylinder 410 and the support plate 430, and the support plate 430 rotates around the hinge axis, so even if there is a curve on the ground, the support plate 430 ) is rotated to support the ground in a large area, so when the hydraulic cylinder 410 in the form of a bend is withdrawn, it has a function of pushing the work machine from the ground more easily.

The arc-shaped reinforcement 163 of the side protection guard 160 has a hollow pipe shape, and maintains a constant strength while reducing weight, thereby protecting the operator.

The arc-shaped reinforcing table 163 has a height higher than the sitting height of the worker and has a structure covering the upper end of the work machine to have an arc shape.

In addition, the arcuate reinforcing base 163 is provided with a handle 500 to facilitate the operator's boarding of the working machine, and a detailed configuration of the handle 500 will be described later.

The horizontal reinforcement 161 and the vertical reinforcement 162 are provided in a shape that crosses the inside of the arc-shaped reinforcement 163 horizontally or vertically, further enhancing the effect of reinforcement, and when the operator works in the driver's seat, Since it is possible to keep an eye on the side, it is possible to easily identify hazards that may be applied to the working machine from the side of the working machine.

Looking at the operation relationship of the rollover restoration device as described above,

If the work machine overturns during work, the operator presses the rollover recovery button provided on the upper surface of the driving handle 320 of the joystick 300.

When the rollover recovery button is pressed, the curved hydraulic cylinder 410 is withdrawn by the driving means in the machine room, and when the curved hydraulic cylinder 410 is pulled out and starts to push the ground, the working machine is an arc-shaped reinforcement bar (163). ) easily rotates by making rolling contact with the ground and starts standing up.

When the curved hydraulic cylinder 410 is further withdrawn, the working machine is standing at an angle exceeding vertical, so it is restored to a horizontal position with the ground by the weight of the working machine.

In the following embodiments, the handle provided in the work machine will be described.

When a woman gets on the working machine, there is a problem that it is difficult to get on the working machine because the part to hold with the hand is not suitable. do.

11 is a view of the coupled state of the handle, FIG. 12 is a cross-sectional view of the pressing piece before operating, and FIG. 13 is a cross-sectional view of the pressing piece being operated.

As shown, the handle 500 includes a gripping portion 510, a gripping protrusion 520, a pressing piece 530, an exterior 540, and a permanent magnet 550.

The exterior 540 has a hollow cylindrical structure, is inserted into the circular arc-shaped reinforcing bar 163 so as to be able to slide, and a knurling process is performed on the outer surface to prevent slipping when the operator grips it.

The gripping part 510 is provided with a semicircular arc-shaped belt shape on one side of the outer appearance 540 so that the operator can grip it, and the gripping protrusion 520 is formed on the inner surface of the gripping part 510, so that the operator It has a function to increase the gripping force by the fingers of the user.

The permanent magnet 550 is provided on the inner surface of the exterior 540, and when the exterior 540 of the handle 500 slides on the arcuate reinforcement 163 to a position where it is easy for the operator to grip, the permanent magnet It has a function of temporarily fixing the handle to the required position of the arc-shaped reinforcing bar 163 by the magnetic force of 550.

The pressing piece 530 is provided in a shape penetrating through a through hole formed on the outer surface of the exterior 540, and includes a cam 531, a coated elastic body 532, and a rotating shaft 533.

The cam 531 has an elliptical shape with a horizontal diameter longer than a vertical diameter, is fixed to one end of the pressing piece 530, and is coupled to a rotational shaft 533 to be described later.

The rotating shaft 533 is coupled in a shape crossing the inside of the exterior and rotates inside the exterior.

The coated elastic body 532 is formed of an elastic rubber material and is provided in a form to cover the outer surface of the cam 531, and the cam 531 rotates to form an arc-shaped reinforcement ( 163), it has a function of minimizing damage to the inner wall surface of the cam 531 or the exterior 540 by the elastic deformation force.

In addition, the coated elastomer 532 contains 40 to 50 parts by weight of carbon black, 20 to 25 parts by weight of a silica inorganic filler, 0.7 to 13 parts by weight of a metal oxide, 0.2 to 3 parts by weight of a vulcanizing agent, and 0.1 parts by weight of a crosslinking agent, based on 100 parts by weight of rubber. It is characterized in that it is connected to a composition containing about 4 parts by weight, and the coated elastomer made of the above composition has an effect of implementing excellent slip resistance because the hardness does not increase while improving wear resistance.

Looking at the operating relationship of the handle as described above,

When a worker gets on the working machine, if he or she grabs the handle 500 and gets on, the boarding is made easier, so even if the worker is a woman, it can be easily boarded.

At this time, the position of the handle 500 should be at a position suitable for the woman's body shape, such as height.

First, the handle 500 is slid to a required position of the arcuate reinforcing base 163 without rotating the pressing piece 530 . When the handle 500 is moved, the handle 500 is temporarily fixed to the set position of the arc-shaped reinforcement 163 by the magnetic force of the permanent magnet 550 inside the exterior 540 of the handle 500.

In a state where the handle 500 is temporarily fixed, when the pressing piece 530 is rotated in the direction of the outer surface of the exterior 540, while the cam 531 rotates, the inner wall surface of the exterior 540 and the arc-shaped reinforcement ( 163), it is possible to firmly fix the handle 500 to the arc-shaped reinforcing bar 163.

When changing the position of the handle 500, proceed in the reverse order of the order of fixing the handle 500.

In the following embodiments, a device capable of maintaining a level of a driver's seat even when a work machine travels on an inclined or curved surface will be described.

When the machine is working in the field or on a hillside, farm road, etc., if the machine is tilted by the sloped ground, the field of view of the operator working in the driver's seat is narrowed, resulting in a decrease in work efficiency. I would like to suggest a structure that can keep the driver's seat level.

14 is a state diagram of the driver's seat leveling device when driving on a flat ground, and FIG. 15 is a state diagram of the driver's seat leveling device when driving on an inclined surface.

As shown, the driver's seat leveling device 600 includes a front hydraulic cylinder 610a, a rear hydraulic cylinder 610b, and an inclination sensor S, and additionally, a warning light 620 is installed in front of the driver's seat. has been

The front hydraulic cylinder 610a protrudes from the upper surface of the body 110 and has a structure connected to the front lower surface of the driver's seat 112, and a driving means (not shown) interlocked with a signal from a control unit (not shown). ), it adjusts the height of the front part of the driver's seat.

The rear hydraulic cylinder 610b protrudes from the upper surface of the body and has a structure connected to the rear bottom of the driver's seat 112, and is drawn in and out by a driving means (not shown) interlocking with the signal of the control unit, so that the driver's seat Adjust the height of the rear part.

The front hydraulic cylinder 610a and the rear hydraulic cylinder 610b have been shown and described as being installed one by one in front and rear of the driver's seat for convenience of description, but they can be installed on both the front, rear, left and right sides of the bottom of the driver's seat.

The inclination sensor S is provided on the front of the body 110 to measure the inclination of the ground in front of the working machine and transmits the measured signal to the control unit.

In the warning light 620, when the slope of the ground in front of the work machine interferes with the work of the work machine or there is a dangerous slope that causes the work machine to overturn, the slope detection sensor (S) detects the slope and sends it to the control unit, and the control unit transmits the warning light It has the function of notifying workers of danger by emitting light.

Looking at the operation relationship of the driver's seat leveling device as above,

When the work machine is running, when the slope sensor (S) detects the slope, it transmits the signal to the control unit, and the control unit controls the length of the front hydraulic cylinder (610a) and the rear hydraulic cylinder (610b), Keep the driver's seat 112 level.

At this time, if the control unit determines that the slope is such that the slope interferes with work or overturns the work machine, the warning light 620 is emitted to stop the work of the work machine or to avoid dangerous terrain. will be.

The present invention as described above is safe and environmentally friendly, so that even elderly farmers and women can easily operate it, it can be used anywhere in the agricultural field, and it has a complex effect of performing safety functions and various additional tasks.

100: multi-purpose field farming machine 110: body
111: fixed frame 122: rolling stone
120: attachment connector 121: rotary shaft
122: first hydraulic cylinder 130: caterpillar
140: machine room 150: traction device
151: hook 152: outflow inlet
153: blocking plate 154: fastening hole
155: second hydraulic cylinder 160: side protection guard
161: horizontal reinforcement 162: vertical reinforcement
200: hybrid engine 202: internal combustion engine
204: electric motor 206: motor control unit
208: battery 300: joystick
310: support body 320: drive handle
321: support shaft 322: rotating plate
323: guide groove 330: brake lever
340: acceleration/deceleration lever 340a: speed display window
350: ON/OFF button 360: side brake button
370: direction indicator button 380: second hydraulic cylinder button
380a: second hydraulic cylinder withdrawal button 380b: second hydraulic cylinder withdrawal button
390: reverse button 400: rollover restoration device
410: curved hydraulic cylinder 420: hinge axis
430: support plate 431: protrusion
500: handle 510: gripping part
520: grip protrusion 530: press piece
531: cam 532: coated elastic body
533: axis of rotation 540: appearance
550: permanent magnet 600: driver's seat leveling device
610a: front hydraulic cylinder 610b: rear hydraulic cylinder
620: warning light S: slope detection sensor

Claims (2)

A driver's seat 112 provided on the upper surface for a worker to sit on, a side protection guard 160 provided on both sides of the driver's seat 112 to protect the operator, and a fixed protruding parallel to the front surface provided with a first through hole. A body 110 including a frame 111, a caterpillar 130 provided on both sides of the body 110 to give driving force, and a machine room provided on the rear side of the driver's seat 112 and having mechanical parts embedded therein (140),
An attachment connector 120 is further provided;
The attachment coupler 120 includes a rotational shaft 121 rotated by a driving means inside the body 110 and a first hydraulic cylinder 122 coupled to the middle portion of the rotational shaft 121 and having a second through hole formed at the end thereof. contains,
When the attachment connector 120 is not in use, the attachment connector 120 is fixed to the body 110 by coupling means penetrating the first through hole and the second through hole,
A traction device 150 is further provided;
The traction device 150 includes a hook 151 fixed in a protruding state on the outer surface of the machine room 140, a fastening hole 154 provided in a shape penetrating the upper surface of the hook 151, and a hook 151 The outlet 152 provided in a recessed shape on one side of the upper surface, the blocking plate 153 drawn in or out of the outlet 152, and one side connected to a driving means installed inside the machine room 140, The other end is connected to the blocking plate 153, and includes a second hydraulic cylinder 155 that opens or shields the through hole 154 by drawing and withdrawing the blocking plate 153,
A joystick 300 is further provided;
The joystick 300 is installed on the front and lower end of the driver's seat 112, and includes a support body 310 having a guide groove 323 formed on one side of the upper surface, a 'L'-shaped drive handle 320, and a drive The support shaft 321 provided at the lower end of the handle 320 and rotating in the left and right arc directions along the guide groove 323 formed on the upper surface of the support body 310 and the lower end of the support shaft 321 Including a rotation plate 322 provided,
On the upper surface of the support body 310, an ON/OFF button 350 and a side brake button 360 are provided,
The driving handle 320 includes a brake lever 330 provided in the shape of a lever protruding on the bottom surface, an acceleration/deceleration lever 340 provided in a structure protruding on the front surface of the column portion, and a direction indicating button provided on the upper surface 370, a second hydraulic cylinder button 380, a reverse button 390, a rollover restoration button and a speed display window 340a,
A rollover restoration device 400 is further provided;
The rollover restoration device 400 is provided at the upper end of the machine room 140, and is provided at the end of the hydraulic cylinder 410 in the form of a bend pipe that is drawn out or drawn in by the driving means, and the hydraulic cylinder 410 in the form of a bend pipe. , A support plate 430 having a protrusion 431 formed on the outer surface, and a hinge shaft 420 coupled between the end of the hydraulic cylinder 410 and the support plate 430,
The side protection guard 160 has a height higher than the sitting height of the operator's driver's seat 112, and the arc-shaped reinforcement 163 having an upper end in an arc shape and the inside of the arc-shaped reinforcement 163 are horizontally Or a multi-purpose field farming machine, characterized in that consisting of a horizontal reinforcement 161 and a vertical reinforcement 162 provided in a vertically crossing shape.
According to claim 1,
A driver's seat leveling device 600 is further provided;
The driver's seat leveling device 600,
A front hydraulic cylinder (610a) that protrudes from the upper surface of the body 110 and is connected to the lower surface in front of the driver's seat 112, and is drawn in and out by a driving means that interlocks with the signal of the control unit to adjust the height of the front of the driver's seat 112. )Wow,
A rear hydraulic cylinder (610b) that protrudes from the upper surface of the body 110 and is connected to the lower surface behind the driver's seat 112, and is drawn in and out by a driving means that interlocks with the control unit's signal to adjust the height of the rear of the driver's seat 112. )Wow,
A slope sensor (S) provided on the front of the body 110 to measure the slope of the front ground and transmit the measured signal to the control unit
A multi-purpose field agricultural work machine characterized in that it includes a warning light 620 for receiving a signal from a slope detection sensor (S) for detecting a dangerous slope of the front ground and emitting light in response to a signal from the controller.

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