KR102680208B1 - Agricultural Vehicle - Google Patents

Abstract

The present invention relates to a vehicle body to which an engine is coupled, a lift arm coupled to the vehicle body, a vertical adjustment unit that moves the lift arm up and down for vertical control of the lift arm, and a vertical control unit for horizontal control of the lift arm. It includes a horizontal adjustment unit that moves the first lift member of the lift arm up and down, and an operation unit that generates an operation signal to operate the up and down adjustment unit and the horizontal adjustment unit, and the operation unit controls the up and down of the lift arm. A vertical control unit that generates individual up and down signals for the lift arm, a horizontal control unit that generates individual horizontal signals for horizontal control of the lift arm, and a multi-control unit for controlling any one selected from up and down control and horizontal control of the lift arm. This relates to an agricultural work vehicle that includes a multi-control unit that generates signals.

Description

Agricultural vehicle

The present invention relates to an agricultural work vehicle used to grow crops necessary for human life using land.

Agricultural work vehicles are used to use land to grow crops necessary for human life. For example, combines, tractors, etc. are agricultural work vehicles. A combine is used to harvest and thresh crops such as rice, barley, wheat, and soybeans. Tractors use traction to perform the work necessary to grow crops.

Agricultural work vehicles perform certain tasks while equipped with work equipment as needed. Examples of working machines include rotaries and plows that can dig up the ground or turn over the soil for cultivation of rice paddies, fields, orchards, etc. These agricultural work vehicles are equipped with a lift arm to move the work machine.

The agricultural work vehicle can perform vertical control to move the lift arm up and down to bring the implement into contact with the ground or separate it from the ground. In addition, when flat parts and curved parts of the ground coexist depending on various working environments, the agricultural work vehicle performs horizontal control by tilting the lift arm to the left and right so that the working machine corresponds to the slope of the ground. You may.

Here, the agricultural work vehicle according to the prior art is implemented to be separately provided with a vertical control unit for performing vertical control and a horizontal control unit for horizontal control. Accordingly, agricultural work vehicles according to the prior art have the following problems.

First, since the agricultural work vehicle according to the prior art is implemented so that the operator operates the upper and lower control units and the horizontal control unit separately, there is a problem in that it causes inconvenience to the operator and reduces work efficiency.

Second, since agricultural work vehicles according to the prior art are equipped with separate up and down control units and horizontal control units, the time required to switch between up and down control and horizontal control in various work environments increases. Accordingly, the agricultural work vehicle according to the prior art has a problem of reduced work efficiency, such as increased work time and decreased crop yield.

The present invention was developed to solve the problems described above, and relates to an agricultural work vehicle that can eliminate the inconvenience of operating for vertical and horizontal control.

The present invention relates to an agricultural work vehicle that can reduce the time required to switch between up and down control and horizontal control.

In order to solve the above problems, the present invention may include the following configuration.

The present invention relates to a vehicle body to which an engine is coupled, a lift arm coupled to the vehicle body, a vertical adjustment unit that moves the lift arm up and down for vertical control of the lift arm, and a vertical control unit for horizontal control of the lift arm. It may include a horizontal adjusting unit that moves the first lift member of the lift arm up and down, and an operating unit that generates an operating signal to operate the vertical adjusting unit and the horizontal adjusting unit. The operating unit includes a vertical operating unit that generates individual vertical signals for vertical control of the lift arm, a horizontal operating section that generates individual horizontal signals for horizontal control of the lift arm, and vertical and horizontal control of the lift arm. It may include a multi-control unit that generates a multi-control signal to control any one selected from among them.

According to the present invention, the following effects can be achieved.

The present invention is implemented so that it is possible to operate the vertical control and horizontal control of the lift arm using one operating unit, thereby improving the ease of operation for controlling the lift arm.

The present invention is implemented to shorten the operating time for switching between vertical and horizontal control of the lift arm, thereby contributing to increasing the yield of crops by shortening the overall working time.

The present invention is implemented so that the control unit can be selectively operated, thereby contributing to expanding the range of work operations according to various work environments and work situations.

1 is a schematic side view showing an agricultural work vehicle according to the present invention.
Figure 2 is a schematic block diagram of an agricultural work vehicle according to the present invention.
Figure 3 is a schematic perspective view of a lift arm and an adjustment unit in an agricultural work vehicle according to the present invention.
Figure 4 is a schematic block diagram of the operating unit in the agricultural work vehicle according to the present invention.
Figure 5 is a schematic configuration diagram of the individual operation unit, multi-operation unit, and control unit in the agricultural work vehicle according to the present invention.
6 and 7 are schematic block diagrams for explaining the control unit in the agricultural work vehicle according to the present invention.

Hereinafter, an embodiment of an agricultural work vehicle according to the present invention will be described in detail with reference to the attached drawings.

Referring to Figure 1, the agricultural work vehicle 1 according to the present invention is used to grow crops necessary for human life using land. The agricultural work vehicle (1) according to the present invention may be a tractor, combine, etc.

Referring to Figures 1 and 2, the agricultural work vehicle (1) according to the present invention includes a vehicle body (2) to which an engine is coupled, a lift arm (3) coupled to the vehicle body (2), and the lift. A vertical control unit 41 that moves the lift arm 3 up and down for vertical control of the arm 3, and a first arm of the lift arm 3 for horizontal control of the lift arm 3. It includes a horizontal adjusting unit 42 that moves the lift member 31 up and down, and an operating unit 5 that generates operating signals for operating the up and down adjusting unit 41 and the horizontal adjusting unit 42. The control unit 5 includes a vertical control unit 511 that generates individual vertical signals for vertical control of the lift arm 3, and a horizontal control unit that generates individual horizontal signals for horizontal control of the lift arm 3. (512), and a multi-control unit 52 that generates a multi-control signal to control any one selected from vertical control and horizontal control for the lift arm 3. Accordingly, the agricultural work vehicle 1 according to the present invention can achieve the following operational effects.

First, the agricultural work vehicle 1 according to the present invention is implemented to include the multi-operation unit 52 in addition to the up-down operation unit 511 and the horizontal operation unit 512, so that the lift arm is only used with the multi-operation unit 52. It is implemented to operate the vertical and horizontal controls for (3). Accordingly, the agricultural work vehicle 1 according to the present invention has vertical control and horizontal control of the lift arm 3, compared to the comparative example having only the separately provided up and down control unit 511 and horizontal control unit 512. Ease of operation can be improved. Therefore, the agricultural work vehicle 1 according to the present invention can improve efficiency for tasks such as growing crops.

Second, in the agricultural work vehicle (1) according to the present invention, when it is necessary to continuously perform the vertical control and horizontal control according to various work environments and work situations, the multi-operation unit 52 is operated to control the vertical control unit. It can be implemented so that (41) and the leveling unit 42 can be controlled continuously. Accordingly, the agricultural work vehicle (1) according to the present invention can be implemented to shorten the operation time for switching between vertical and horizontal control for the lift arm (3) through the multi-operation unit (52). . Therefore, the agricultural work vehicle 1 according to the present invention can improve work efficiency, such as increasing crop yield by shortening the overall work time.

Third, the agricultural work vehicle 1 according to the present invention is implemented so that the operator selectively operates the up and down operation unit 511, the horizontal operation unit 512, and the multi-operation unit 52. When it is necessary to continuously perform horizontal control after the up and down control of the lift arm 3, the operation unit 5 controls the up and down adjustment unit 41 and the horizontal control by manipulating the multi operation unit 52. The unit 42 can be controlled continuously. When it is necessary to perform only vertical or horizontal control of the lift arm 3, the operating unit 5 controls the vertical controlling unit 41 by manipulating the vertical operating unit 511 and the horizontal operating unit 512. And the horizontal adjustment unit 42 can be controlled. Accordingly, the agricultural work vehicle 1 according to the present invention is implemented such that the operation unit 5 includes the multi-operation unit 52 in addition to the up-down operation unit 511 and the horizontal operation unit 512, thereby providing various working environments and Depending on the work situation, the scope of work operation can be expanded and work efficiency can be increased.

Hereinafter, the vehicle body 2, the lift arm 3, the up and down adjustment unit 41, the horizontal adjustment unit 42, and the operating unit 5 will be described in detail with reference to the attached drawings. .

Referring to Figures 1 and 2, the vehicle body 2 supports the engine. The engine can be supported on the vehicle body (2) by being coupled to the vehicle body (2). The engine may be placed inside the vehicle body 2. The vehicle body 2 can support the lift arm 3. The vertical adjustment unit 41 and the horizontal adjustment unit 42 may be coupled to the vehicle body 2. The vehicle body 2 may be provided with a driver's seat 21. As the driver rides in the driver's seat 21 provided in the vehicle body 2 and operates the steering device and operating device, the agricultural work vehicle 1 according to the present invention can perform certain tasks. Wheels 22 may be coupled to the vehicle body 2. The engine can move the vehicle body 2 along the traveling direction (X-axis direction) by rotating the wheels 22. In this case, the traveling direction (X-axis direction) is a forward direction in which the vehicle body 2 moves forward (FD arrow direction), and a backward direction in which the vehicle body 2 moves rearward (BD arrow direction). It may be in an axial direction parallel to . Although not shown, a transmission connecting the engine and the wheels 22 may be coupled to the vehicle body 2.

Referring to Figures 1 and 2, the lift arm 3 may be coupled to the vehicle body 2. In Figure 1, the lift arm 3 is shown as being disposed in the reverse direction (BD arrow direction) with respect to the vehicle body 2. However, this is an example, and the lift arm 3 is positioned in the vehicle body 2. ) may be placed in the forward direction (direction of arrow FD). The lift arm 3 may be equipped with a work tool (not shown) such as a rotary or a plow. With the work machine mounted on the lift arm 3, the agricultural work vehicle 1 according to the present invention can perform certain tasks for cultivating rice fields, fields, orchards, etc.

Referring to Figures 1 to 3, the lift arm 3 may include the first lift member 31.

The first lift member 31 may be coupled to the vehicle body 2. The first lift member 31 is for horizontal control of the lift arm 3. Through the operation of moving the first lift member 31 up and down, the agricultural work vehicle (1) according to the present invention horizontally controls the lift arm (3) so that the work machine is in a state corresponding to the slope of the ground. can be performed.

The lift arm 3 may include a second lift member 32.

The second lift member 32 may be coupled to the vehicle body 2 at a position spaced apart from the first lift member 31. The second lift member 32 is for vertical control of the lift arm 3. Through the operation of moving the second lift member 32 and the first lift member 31 together up and down, the agricultural work vehicle (1) according to the present invention is moved so that the working machine is spaced from the ground or in contact with the ground. Up and down control of the lift arm (3) can be performed.

According to one embodiment of the present invention, as shown in FIG. 3, the lift arm 3 may include the first lift member 31 and the second lift member 32. The first lift member 31 may include one side member connected to the horizontal adjustment unit 42 and the other side member connected to the connecting member 43. The second lift member 32 may include one side member connected to the horizontal adjustment unit 42 and the other side member connected to the connecting member 43. The connecting member 43 is installed on the vehicle body 2 and is a link coupled to each of the other side member of the first lift member 31 and the other side member of the second lift member 32. You can. An example of vertical control and horizontal control of the lift arm 3 using the first lift member 31 and the second lift member 32 is as follows with reference to FIG. 3.

First, the lift arm 3 can be controlled up and down to separate the work machine from the ground while the work machine is in contact with the ground. In this case, as shown in FIG. 3, the vertical adjustment unit 41 can raise both the first lift member 31 and the second lift member 32. Accordingly, the work machine can be spaced apart from the ground. Next, horizontal control of the lift arm 3 can be performed to move the work machine to a state corresponding to the slope of the ground. In this case, the horizontal adjustment unit 42 can raise or lower only one member of the first lift member 31. Accordingly, the work machine can be in a state corresponding to the slope of the ground.

In the above description, the lift arm 3 includes the first lift member 31 and the second lift member 32, but this is an example and the lift arm 3 includes three or more lift members. May include absences.

Referring to FIGS. 1 to 3, the agricultural work vehicle 1 according to the present invention may include an adjustment unit 4.

The adjusting unit 4 is for vertical and horizontal control of the lift arm 3. The adjuster 4 can perform vertical control of the lift arm 3 by moving the lift arm 3 up and down to separate the work tool from the ground or bring it into contact with the ground. In this case, the adjusting unit 4 can move the first lift member 31 and the second lift member 32 up and down together. The adjusting unit 4 can perform horizontal control of the lift arm 3 by moving the first lift member 31 up and down so that the work machine is in a state corresponding to the slope of the ground. In this case, the adjusting unit 4 can only move the first lift member 31 up and down. The control unit 4 can perform vertical and horizontal control of the lift arm 3 using a hydraulic system.

Referring to FIGS. 1 to 3 , the adjusting unit 4 may include the up and down adjusting unit 41 and the horizontal adjusting unit 42.

The vertical adjustment unit 41 is for vertical control of the lift arm 3. The up and down adjustment unit 41 can move the first lift member 31 and the second lift member 32 up and down together to control the lift arm 3 up and down. The vertical adjustment unit 41 can perform vertical control of the lift arm 3 using a hydraulic cylinder.

The upper and lower adjusting unit 41 is coupled to the lift arm 3. The up and down adjustment unit 41 may be coupled to the second lift member 32. The vertical adjustment unit 41 may be disposed at a location spaced apart from the horizontal adjustment unit 42.

The leveling unit 42 is for horizontal control of the lift arm 3. The horizontal adjusting unit 42 can move one member of the first lift member 31 of the lift arm 3 up and down for horizontal control of the lift arm 3. The leveling unit 42 can perform horizontal control of the lift arm 3 using a hydraulic cylinder.

The leveling unit 42 is coupled to the lift arm 3. The horizontal adjustment unit 42 may be coupled to one side member of the first lift member 31 and one side member of the second lift member 32, respectively. The horizontal adjustment unit 42 may be disposed at a location spaced apart from the vertical adjustment unit 41.

Referring to Figures 2 to 5, the manipulation unit 5 is used to generate a manipulation signal for operating the control unit 4. When the control unit 5 generates an up and down signal to operate the control unit 4, the control unit 4 can perform up and down control on the lift arm 3. When the control unit 5 generates a horizontal signal to operate the control unit 4, the control unit 4 can perform horizontal control on the lift arm 3. The operating unit 5 may be an operating means for moving the lift arm 3. The operating unit 5 may be provided in the driver's seat 21. As the driver riding in the driver's seat 21 operates the control unit 5, the lift arm 3 can be controlled vertically and horizontally.

The manipulation unit 5 may include an individual manipulation unit 51.

The individual manipulation unit 51 generates individual control signals to separately operate the vertical adjustment unit 41 and the horizontal adjustment unit 42. The individual control signals may include the individual upper and lower signals and the individual horizontal signals. When the individual manipulation unit 51 generates the individual up and down signals to operate the up and down adjustment unit 41, the up and down adjustment unit 41 can perform up and down control on the lift arm 3. When the individual manipulation unit 51 generates the individual horizontal signal to operate the leveling unit 42, the leveling unit 42 can perform horizontal control on the lift arm 3.

The individual manipulation unit 51 may include the up and down manipulation unit 511 and the horizontal manipulation unit 512.

The up and down operation unit 511 generates the individual up and down signals for up and down control of the lift arm (3). When the up and down control unit 511 generates the individual up and down signals through manipulation of the up and down control unit 511, the up and down control unit 511 can operate the up and down control unit 41. Accordingly, the agricultural work vehicle 1 according to the present invention can be implemented to enable vertical control of the lift arm 3 through the vertical operation unit 511.

The up and down manipulation unit 511 may include an up and down manipulation member 5111, an up and down signal generation module 5112, and an up and down manipulation body 5113.

The up and down manipulation member 5111 can be moved by external force. The up and down manipulation member 5111 may be coupled to the up and down manipulation body 5113 so as to be movable by external force. External force for moving the up and down operation member 5111 may be provided by the driver. The driver can move the up and down operation member 5111 by holding it. The individual up and down signals can be generated by manipulating the up and down operation member 5111.

The upper and lower signal generation module 5112 generates the individual upper and lower signals. The up and down signal generation module 5112 can generate the individual up and down signals according to the movement of the up and down manipulation member 5111. The up and down signal generation module 5112 can generate the individual up and down signals that are different depending on the moving direction of the up and down manipulation member 5111. For example, when the driver moves the up and down operation member 5111 to one side, the up and down signal generation module 5112 can generate the individual up and down signals to raise the lift arm 3. When the driver moves the up and down operation member 5111 to the other side, the up and down signal generation module 5112 can generate the individual up and down signals for lowering the lift arm 3. In this way, up and down control of the lift arm 3 can be performed according to the different individual up and down signals generated by the up and down signal generation module 5112. The up and down signal generation module 5112 may be coupled to the up and down operation body 5113.

The up-down manipulation body 5113 may function as the main body of the up-down manipulation unit 511. The up and down control member 5111 and the up and down signal generation module 5112 may be coupled to the up and down control body 5113. The vertical manipulation body 5113 may support the vertical manipulation member 5111 so that the vertical manipulation member 5111 can move. The up and down control body 5113 may be coupled to the driver's seat 21 so that the up and down control member 5111 is disposed in a position where it can be held by the driver.

The horizontal control unit 512 generates the individual horizontal signal for horizontal control of the lift arm 3. When the horizontal control unit 512 generates the individual horizontal signal through manipulation of the horizontal control unit 512, the horizontal control unit 512 can operate the level adjustment unit 42. Accordingly, the agricultural work vehicle 1 according to the present invention can be implemented to enable horizontal control of the lift arm 3 through the horizontal control unit 512. The horizontal manipulation unit 512 may be disposed at a position spaced apart from the vertical manipulation unit 511.

The horizontal control unit 512 may include a horizontal control member 5121, a horizontal signal generation module 5122, and a horizontal control body 5123.

The horizontal operating member 5121 can be moved by external force. The horizontal operating member 5121 may be coupled to the horizontal operating body 5123 so as to be movable by external force. The individual horizontal signal can be generated by manipulating the horizontal operating member 5121. External force for moving the horizontal operating member 5121 may be provided by the driver. The driver can hold and move the horizontal operating member 5121.

The horizontal signal generation module 5122 generates the individual horizontal signals. The horizontal signal generation module 5122 may generate the individual horizontal signal according to the movement of the horizontal manipulation member 5121. The horizontal signal generation module 5122 may generate different individual horizontal signals depending on the moving direction of the horizontal operating member 5121. For example, when the driver moves the horizontal operating member 5121 to one side, the horizontal signal generation module 5122 can generate the individual horizontal signal to raise one side of the first lift member 31. . When the driver moves the horizontal operating member 5121 to the other side, the horizontal signal generation module 5122 may generate the individual horizontal signal for lowering one side of the first lift member 31. In this way, horizontal control of the lift arm 3 can be performed according to the different individual horizontal signals generated by the horizontal signal generation module 5122. The horizontal signal generation module 5122 may be coupled to the horizontal operating body 5123.

The horizontal control body 5123 may function as the main body of the horizontal control unit 512. The horizontal manipulation member 5121 and the horizontal signal generation module 5122 may be coupled to the horizontal manipulation main body 5123. The horizontal manipulation body 5123 may support the horizontal manipulation member 5121 so that the horizontal manipulation member 5121 can move. The horizontal operating body 5123 may be coupled to the driver's seat 21 so that the horizontal operating member 5121 is disposed in a position where it can be held by the driver.

Referring to Figures 2 to 5, the manipulation unit 5 may include the multi-manipulation unit 52.

The multi-control unit 52 generates the multi-control signal for controlling any one selected from vertical control and horizontal control for the lift arm 3. The multi-manipulation unit 52 can operate the up-down adjustment unit 41 by generating the multi-control signal including the multi-up and down signals. Accordingly, the adjusting unit 4 can perform vertical control of the lift arm 3. As the multi-control unit 52 generates the multi-control signal including the multi-horizontal signal, the horizontal adjustment unit 42 can be operated. Accordingly, the adjusting unit 4 can perform horizontal control of the lift arm 3.

The agricultural work vehicle 1 according to the present invention is implemented so that the worker selectively operates the multi-control unit 52 and the individual control unit 51 depending on the work environment and work situation. For example, if it is necessary to continuously perform horizontal control after the up and down control of the lift arm (3), the control unit (4) controls the horizontal control of the lift arm (3) through the multi-control unit (52). Control can be performed continuously. When it is necessary to perform only vertical or horizontal control of the lift arm (3), the adjusting unit (4) performs vertical or horizontal control of the lift arm (3) through the individual manipulation unit (51). It can be done. Accordingly, the agricultural work vehicle (1) according to the present invention is implemented so that the operation unit (5) includes the multi-operation unit (52) in addition to the individual operation unit (51), thereby enabling operation of work according to various work environments and work situations. The width can be expanded and work efficiency can be improved.

The multi-manipulation unit 52 may include a multi-manipulation member 521, a multi-signal generation module 522, and a multi-manipulation body 523.

The multi-operation member 521 moves by external force. The multi-manipulation member 521 may be coupled to the multi-manipulation body 523 so that it can move and rotate by external force. Furthermore, the multi-operating member 521 may be coupled to the multi-operating body 523 so that it can move up and down and left and right by external force. As the multi-operating member 521 is manipulated, the multi-control signal containing any one selected from the multi-upward signal and the multi-horizontal signal can be generated. External force for moving the multi-operation member 521 may be provided by the driver. The driver can hold and move the multi-operation member 521.

The multi-signal generation module 522 generates the multi-control signal. The multi-signal generation module 522 generates the multi-control signal including one selected from the multi-upward signal and the multi-horizontal signal according to at least one of the moving direction and rotation direction of the multi-operating member 521. You can. Accordingly, the agricultural work vehicle (1) according to the present invention generates the multi-up/down signals and the multi-signal generation module (522) simply by manipulating the multi-operating member (521) within the multi-operating unit (52). It can be implemented to generate the multi-control signal including a horizontal signal.

When the multi-control signal generated by the multi-signal generation module 522 is the multi-up/down signal, the control unit 4 operates the lift arm 3 according to the multi-control signal including the multi-up/down signal. Up and down control can be performed. When the multi-control signal generated by the multi-signal generation module 522 is the multi-horizontal signal, the control unit 4 operates the lift arm 3 according to the multi-control signal including the multi-horizontal signal. Horizontal control can be performed. The multi-signal generation module 522 may be coupled to the multi-operation main body 523.

Hereinafter, a process in which the multi-control signal is generated by the multi-signal generation module 522 according to the moving direction and rotation direction of the multi-operating member 521 will be described. For convenience of explanation, as shown in FIG. 5, the multi control signal including the multi up and down signals is generated according to the moving direction of the multi operating member 521, and the rotation direction of the multi operating member 521 The description will be based on the generation of the multi-control signal including the multi-horizontal signal.

First, the multi-signal generation module 522 can generate different multi-up and down signals included in the multi-control signal according to the moving direction of the multi-operating member 521. For example, when the driver moves the multi-operating member 521 to one side, the multi-signal generation module 522 generates the multi-control signal including the multi-up and down signals for raising the lift arm 3. You can. When the driver moves the multi-operation member 521 to the other side, the multi-signal generation module 522 can generate the multi-control signal including the multi-up and down signals for lowering the lift arm 3. .

Next, the multi-signal generation module 522 may generate different multi-horizontal signals included in the multi-control signal according to the rotation direction of the multi-manipulation member 521. For example, when the driver rotates the multi-operation member 521 clockwise, the multi-signal generation module 522 includes the multi-horizontal signal for raising one member of the first lift member 31. Multi-control signals can be generated. Accordingly, the adjusting unit 4 can perform horizontal control of the lift arm 3 so that the work machine tilts to the left. When the driver rotates the multi-manipulation member 521 counterclockwise, the multi-signal generation module 522 generates the multi-horizontal signal for lowering one side of the first lift member 31. Control signals can be generated. Accordingly, the adjuster 4 can perform horizontal control of the lift arm 3 so that the work machine tilts to the right.

Furthermore, the multi-signal generation module 522 is configured to control the multi-control including any one selected from the multi-upward signal and the multi-horizontal signal according to at least one of the vertical and left-right moving directions of the multi-manipulating member 521. It can also generate signals. Accordingly, the agricultural work vehicle (1) according to the present invention generates the multi-up/down signals and the multi-signal generation module (522) simply by manipulating the multi-operating member (521) within the multi-operating unit (52). It can be implemented to generate the multi-control signal including a horizontal signal.

Hereinafter, a process in which the multi-control signal is generated by the multi-signal generation module 522 according to the vertical and left-right movement directions of the multi-operating member 521 will be described. For convenience of explanation, as shown in FIG. 5, the multi control signal including the multi up and down signals is generated according to the vertical movement direction of the multi operating member 521, and the left and right movement of the multi operating member 521 The description will be based on the fact that the multi-control signal including the multi-horizontal signal is generated depending on the direction.

First, the multi-signal generation module 522 can generate different multi-up and down signals included in the multi-control signal according to the up-down movement direction of the multi-manipulation member 521. For example, when the driver moves the multi-operation member 521 upward, the multi-signal generation module 522 generates the multi-control signal including the multi-up and down signals for raising the lift arm 3. You can. When the driver moves the multi-operation member 521 downward, the multi-signal generation module 522 can generate the multi-control signal including the multi-up and down signals for lowering the lift arm 3. .

Next, the multi-signal generation module 522 can generate different multi-horizontal signals included in the multi-control signal according to the left and right moving direction of the multi-manipulation member 521. For example, when the driver moves the multi-operating member 521 to the right, the multi-signal generation module 522 generates the multi-level signal including the multi-horizontal signal for raising one member of the first lift member 31. Control signals can be generated. Accordingly, the adjusting unit 4 can perform horizontal control of the lift arm 3 so that the work machine tilts to the left. When the driver moves the multi-operation member 521 to the left, the multi-signal generation module 522 generates the multi-control signal including the multi-horizontal signal for lowering one member of the first lift member 31. can be created. Accordingly, the adjuster 4 can perform horizontal control of the lift arm 3 so that the work machine tilts to the right.

The multi-operation body 523 may function as the main body of the multi-operation unit 52. The multi-operation member 521 and the multi-signal generation module 522 may be coupled to the multi-operation main body 523. The multi-operation body 523 may support the multi-operation member 521 so that the multi-operation member 521 can move. The multi-operation body 523 may be coupled to the driver's seat 21 so that the multi-operation member 521 is disposed in a position where it can be held by the driver.

Referring to FIGS. 2 to 6, the agricultural work vehicle 1 according to the present invention may include a control unit 6.

The control unit 6 controls the adjustment unit 4 according to an operation signal provided from the operation unit 5. The control unit 6 may transmit an operation signal provided from the operation unit 5 to the control unit 4.

When the individual up/down signal is provided from the up/down control unit 511, the control unit 6 may transmit the individual up/down signal to the up/down control unit 41 for up/down control of the lift arm 3. When the individual horizontal signal is provided from the horizontal control unit 512, the control unit 6 may transmit the individual horizontal signal to the horizontal adjustment unit 42 for horizontal control of the lift arm 3.

When the multi-control signal is received from the multi-manipulation unit 52, the control unit 6 controls the vertical adjustment unit 41 according to which of the multi-up and down signals and the multi-horizontal signals are included in the multi-control signal. and controlling any one selected from the horizontal adjustment unit 42. For example, when the control unit 6 receives the multi-control signal including the multi-up and down signals from the multi-manipulating unit 52, the control unit 6 controls the lift arm 3 to vertically control the lift arm 3. A multi-control signal can be transmitted to the up and down adjustment unit 41. When the multi-control signal including the multi-horizontal signal is received from the multi-manipulator 52, the control unit 6 performs the multi-control including the multi-horizontal signal for horizontal control of the lift arm 3. A signal can be transmitted to the leveling unit 42.

Referring to Figures 2 to 6, the control unit 6 may include a receiving module 60.

The receiving module 60 can receive the individual upper and lower signals and the individual horizontal signals from the individual manipulation unit 51. The receiving module 60 may receive one selected from the multi-upward signal and the multi-horizontal signal included in the multi-control signal from the multi-manipulation unit 52. The receiving module 60 can receive the manipulation signal from the manipulation unit 5 using at least one of wired communication and wireless communication.

Referring to FIGS. 2 to 6 , the control unit 6 may include a determination module 61 and a control module 62.

The determination module 61 determines which of the multi-upward signal and the multi-horizontal signal is included in the multi-control signal. If it is determined that the multi-control signal provided to the decision module 61 is the multi-high signal, the decision module 61 may provide the multi-control signal including the multi-high signal to the control module 62. You can. If it is determined that the multi-control signal provided to the determination module 61 is the multi-horizontal signal, the determination module 61 may provide the multi-control signal including the multi-horizontal signal to the control module 62. You can.

The control module 62 controls one of the vertical adjustment unit 41 and the horizontal adjustment unit 42 according to the determination result of the determination module 61. When the multi-control signal including the multi-up/down signal is provided to the control module 62 according to the determination result of the decision module 61, the control module 62 performs up-down control for the lift arm 3. The upper and lower adjustment unit 41 can be controlled for this purpose. When the multi-control signal including the multi-horizontal signal is provided to the control module 62 according to the determination result of the determination module 61, the control module 62 performs horizontal control for the lift arm 3. The horizontal adjustment unit 42 can be controlled for.

Referring to FIGS. 4 and 7 , according to an embodiment of the present invention, the manipulation unit 5 may include a switching manipulation unit 53.

The switching operation unit 53 is for switching to a multi-mode in which the vertical adjustment unit 41 and the horizontal adjustment unit 42 operate according to the operation of the multi-operation unit 52. In this case, the switching operation unit 53 can generate a multi-mode entry signal for switching to the multi-mode. The multi-mode may be a state in which the vertical adjustment unit 41 and the horizontal adjustment unit 42 operate according to the operation of the multi-operation unit 52.

The switching operation unit 53 may be used to switch to an individual mode in which the vertical adjustment unit 41 and the horizontal adjustment unit 42 operate according to the operation of the individual operation unit 51. In this case, the switching operation unit 53 can generate a multi-mode release signal for switching to the individual mode. The individual mode may be a state in which the vertical adjustment unit 41 and the horizontal adjustment unit 42 operate according to the operation of the individual operation unit 51. As described above, the agricultural work vehicle 1 according to the present invention can be implemented to enable switching between the multi-mode and the individual mode only by manipulating the switching operation unit 53.

The switching operation unit 53 may include a switching operation member 531, a switching signal generation module 532, and a switching operating body 533.

The switching operation member 531 moves by external force. The switching operation member 531 may be coupled to the switching operation body 533 so as to be movable by external force. By manipulating the switching operation member 531, the multi-mode entry signal or the multi-mode release signal can be generated. The external force for moving the switching operation member 531 is. Can be provided by the driver. The driver can hold and move the switching operation member 531. The switching operation member 531 may be implemented as a momentary switch.

The switching signal generation module 532 generates a switching operation signal. The switching operation signal may be any one selected from the multi-mode entry signal and the multi-mode release signal. The switching signal generation module 532 may generate one of the multi-mode entry signal and the multi-mode release signal depending on the number of operations of the switching operation member 531. For example, when the driver operates the switching operation member 531 once in the individual mode, the switching signal generation module 532 can generate the multi-mode entry signal to enter the multi-mode. When the driver operates the switching operation member 531 one more time in the multi-mode, the switching signal generation module 532 can generate the multi-mode release signal to enter the individual mode. According to the switching operation signal generated by the switching signal generation module 532, vertical control and horizontal control of the lift arm 3 can be performed in the multi mode or the individual mode. The switching signal generation module 532 may be coupled to the switching operation main body 533.

The switching operation body 533 may function as the main body of the switching operation unit 53. The switching operation member 531 and the switching signal generation module 532 may be coupled to the switching operation body 533. The switching operation body 533 may support the switching operation member 531 so that the switching operation member 531 can move. The switching operation body 533 may be coupled to the driver's seat 21 so that the switching operation member 531 is disposed in a position where it can be held by the driver.

Referring to FIGS. 2 to 7 , when the manipulation unit 5 includes the switching manipulation unit 53, the control unit 6 may include a switching module 63.

The switching module 63 is for switching between the individual mode and the multi-mode. To this end, the switching module 63 can receive the switching operation signal generated by operation of the switching operation unit 53. For example, in the case of the multi-mode, the switching module 63 may receive the switching operation signal for mode switching from the switching operation unit 53 in order to switch to the individual mode. In this case, the switching operation signal may correspond to the multi-mode release signal. Accordingly, the adjusting unit 4 can perform vertical and horizontal control of the lift arm 3 in the individual mode. When in the individual mode, the switching module 63 may receive the switching operation signal for mode switching from the switching operation unit 53 in order to switch to the multi-mode. In this case, the switching operation signal may correspond to the multi-mode entry signal. Accordingly, the adjusting unit 4 can perform vertical and horizontal control of the lift arm 3 in the multi-mode.

When in the individual mode, the switching module 63 may block the multi-control signal provided from the multi-control unit 52 from being transmitted to the up-down adjustment unit 41 and the horizontal adjustment unit 42. Accordingly, the agricultural work vehicle (1) according to the present invention controls the lift arm (3) up and down according to the multi-control signal generated by operating the multi-control unit (52) due to the operator's carelessness in the individual mode. and horizontal control can be prevented. Accordingly, the agricultural work vehicle 1 according to the present invention can be implemented to transmit only the individual control signal generated according to the operation of the individual operation unit 51 in the individual mode to the control unit 4.

When in the multi-mode, the switching module 63 transmits the individual up and down control unit 41 to the up and down control unit 41 so that the up and down control unit 41 operates according to the individual up and down signal provided from the up and down control unit 511. transmission may be permitted. That is, the switching module 63 may be implemented to transmit the individual upper and lower signal to the upper and lower control unit 41 in priority over the multi control signal including the multi upper and lower signal in the multi-mode. Accordingly, the agricultural work vehicle 1 according to the present invention has priority over the multi-control signal generated by operation of the multi-operation unit 52 in the multi-mode, and the signal generated by operation of the up-down operation unit 511 is It can be implemented to perform up and down control of the lift arm 3 according to individual up and down signals.

When in the multi-mode, the switching module 63 provides the individual horizontal signal to the leveling unit 42 so that the leveling unit 42 operates according to the individual horizontal signal provided from the horizontal control unit 512. transmission may be permitted. That is, the switching module 63 may be implemented to transmit the individual horizontal signal to the leveling unit 42 in priority over the multi-control signal including the multi-horizontal signal in the multi-mode. Accordingly, the agricultural work vehicle (1) according to the present invention has priority over the multi-control signal generated by manipulation of the multi-manipulation unit 52 in the multi-mode. It can be implemented to perform horizontal control on the lift arm 3 according to individual horizontal signals.

The present invention described above is not limited to the above-described embodiments and the accompanying drawings, and various substitutions, modifications, and changes are possible without departing from the technical spirit of the present invention. It will be clear to those who have knowledge.

1: Agricultural work vehicle 2: Vehicle body
3: Lift arm 4: Control unit
5: Control panel 6: Control panel
21: Driver's seat 22: Wheel
31: first lift member 32: second lift member
41: up and down adjustment part 42: horizontal adjustment part
43: connecting member 51: individual operating unit
52: Multi-control unit 53: Switch control unit
60: Receiving module 61: Judgment module
62: Control module 63: Conversion module
511: Up and down control unit 512: Horizontal control unit

Claims (10)

Vehicle body with engine (2) combined;
Lift arm (3) coupled to the vehicle body (2);
A vertical adjustment unit 41 that moves the lift arm 3 up and down for vertical control of the lift arm 3;
A horizontal adjusting unit 42 that moves the first lift member 31 of the lift arm 3 up and down for horizontal control of the lift arm 3; and
It includes an operation unit (5) that generates an operation signal for operating the up and down adjustment unit (41) and the horizontal adjustment unit (42),
The control unit 5 includes a vertical control unit 511 that generates individual vertical signals for vertical control of the lift arm 3, and a horizontal control unit that generates individual horizontal signals for horizontal control of the lift arm 3. (512), and a multi-control unit 52 that generates a multi-control signal to control any one selected from the vertical control and horizontal control of the lift arm (3). According to paragraph 1,
It includes a control unit (6) that controls the vertical adjustment unit (41) and the horizontal adjustment unit (42) according to an operation signal provided from the operation unit (5),
When the multi-control signal is received from the multi-manipulation unit 52, the control unit 6 controls the vertical adjustment unit 41 and the multi-horizontal signal depending on whether the multi-control signal includes a multi-up/down signal or a multi-horizontal signal. An agricultural work vehicle characterized in that it controls any one selected from the horizontal adjustment unit (42). The method of claim 2, wherein the control unit (6)
A judgment module 61 that determines which of the multi-upward signal and the multi-horizontal signal is included in the multi-control signal, and
An agricultural work vehicle comprising a control module (62) that controls one of the vertical adjustment unit (41) and the horizontal adjustment unit (42) according to the determination result of the determination module (61). The method of claim 1, wherein the multi-manipulation unit 52
Multi-operating member 521 moved by external force; and
Comprising a multi-signal generation module 522 that generates the multi-control signal containing one selected from a multi-upright signal and a multi-horizontal signal according to at least one of the moving direction and rotation direction of the multi-manipulation member 521. Characterized by agricultural work vehicles. The method of claim 1, wherein the multi-manipulation unit 52
Multi-operating member 521 moved by external force; and
It includes a multi-signal generation module 522 that generates the multi-control signal including one selected from multi-up and down signals and multi-horizontal signals according to at least one of the vertical and left-right moving directions of the multi-manipulating member 521. An agricultural work vehicle characterized by: According to paragraph 1,
A switching operation unit 53 for switching to a multi-mode in which the up and down adjustment unit 41 and the horizontal adjustment unit 42 operate according to the operation of the multi operation unit 52, and an operation signal provided from the operation unit 5. It includes a control unit 6 that controls the up and down adjustment unit 41 and the horizontal adjustment unit 42,
The control unit 6 switches between the individual mode and the multi-mode in which the up and down adjustment unit 41 and the horizontal adjustment unit 42 operate according to the operation of the up and down control unit 511 and the horizontal control unit 512. An agricultural work vehicle characterized by including a conversion module (63) for. According to clause 6,
When in the individual mode, the switching module 63 blocks the multi-control signal provided from the multi-control unit 52 from being transmitted to the vertical adjustment unit 41 and the horizontal adjustment unit 42. Agricultural work vehicle. According to clause 6,
When in the multi-mode, the switching module 63 transmits the individual up and down control unit 41 to the up and down control unit 41 so that the up and down control unit 41 operates according to the individual up and down signal provided from the up and down control unit 511. An agricultural work vehicle, characterized in that it allows delivery. According to clause 6,
In the case of the multi-mode, the switching module 63 transmits the individual horizontal signal to the leveling unit 42 so that the leveling unit 42 operates according to the individual horizontal signal provided from the horizontal operating unit 512. Agricultural work vehicle characterized in that it allows delivery. According to clause 6,
The switching module (63) is an agricultural work vehicle characterized in that, in the case of the multi-mode, switching to the individual mode when a switching operation signal for mode switching is provided from the switching operation unit (53).

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