KR101809937B1

KR101809937B1 - Working vehicle

Info

Publication number: KR101809937B1
Application number: KR1020160025277A
Authority: KR
Inventors: 김종규; 소순선
Original assignee: 주식회사 세웅
Priority date: 2016-03-02
Filing date: 2016-03-02
Publication date: 2017-12-18
Also published as: KR20170102750A

Abstract

A work vehicle is provided. A work vehicle according to an embodiment of the present invention is an electric lift type work vehicle for carrying a load and completing an operation of a worker and having a loading space for loading the load and a work footrest for supporting the worker A loading box provided; And an operation unit for receiving a command from the operator to perform at least one of running control of the work car, steering control of the work car, and up and down control of the loader, Is attached to one side of the loading box so that it can be operated by an operator located on the operation footrest and operated by an operator positioned on the ground in a state in which the loading box is lowered and raised or lowered together with the loading box .

Description

Working vehicle {WORKING VEHICLE}

Embodiments of the present invention relate to a work vehicle for the transportation of loads and the work of the operator.

Generally, a conveyance car used in an orchard or a house has a loading box for loading loads such as fruits, fruit trees, etc., and an operator can drive the carriage by operating a traveling lever after loading the load on the loading box. Also, the loading box can be elevated by a predetermined height while being kept horizontal according to the operation of the operator, and the operator can perform a complaint operation such as pruning of fruit trees, fruit harvest, etc. on the loading box.

However, conventionally, the operating section for controlling the running of the carrier and the rising / falling of the loading box is fixed to the main body frame of the carrier such that the operating section is opposite to the running direction of the carrier, Respectively. Therefore, according to the related art, the operator can not operate the operation unit while the user is aboard the loader, and in particular, when the operator intends to carry out the complaint operation by boarding the loader, the other operator must operate the operation unit on the ground instead There was a hassle.

Korean Patent Registration No. 10-1527437 (June 2015)

Embodiments of the present invention are intended to provide a means by which an operator can easily operate an operation of a work vehicle in both a state in which a worker is boarded and a state where the worker is off.

According to an exemplary embodiment of the present invention, there is provided an electric lift type work vehicle for carrying a load and for completing work by a worker, the work vehicle having a loading space for loading the load, and a work footrest for supporting the worker A loading box; And an operation unit for receiving a command from the operator to perform at least one of running control of the work car, steering control of the work car, and up and down control of the loader, Is mounted on one side of the loading box so that it can be operated by an operator located on the operation footrest and operated by an operator located on the ground in a state where the loading box is lowered, , A work vehicle is provided.

The operation unit includes a fixed frame fixed to one side of the loading box; And at least one operating means for receiving the command, and may include a pivotable frame coupled to one end of the fixed frame.

The operation unit may further include a connection frame having one end fixed to the rotation frame and the other end coupled to the fixed frame, wherein the groove is formed in one side of the fixed frame, And the other end of the connection frame moves along the groove portion so that the rotation frame can be rotated.

A first protrusion and a second protrusion are formed at one end and the other end of the connection frame, respectively, and the operation section includes a first coupling section and a second coupling section that can be respectively engaged with the first projection and the second projection, And a rotation control lever for fixing the position of the rotation frame by fastening the first fastening part to the first projection or the second fastening part by fastening the second projection according to the operation of the operator.

The work vehicle is connected to the operation unit and the rotation frame, and controls the raising and lowering of the loading box as the operator operates the operation unit. When the loading box is raised or lowered, the rotation of the rotation frame is automatically controlled And may further include a driving unit.

Wherein the driving unit controls the turning of the rotating frame such that the at least one operating means is opposite to the traveling direction of the working vehicle when the loading box is lowered, The turning of the turning frame can be controlled so as to face the traveling direction of the work vehicle.

The operation unit may be detachable from one side of the loading box.

According to the embodiments of the present invention, since the operating portion is attached to one side of the loading box and raised and lowered together with the loading box, the operator can easily operate the operating portion on the operation board of the loading box when the loading box is raised, The operation portion can be easily operated on the ground.

Further, according to the embodiments of the present invention, the operator can freely adjust the angle of the operating portion (i.e., the rotating frame) according to his or her current position (the floor or the work footrest of the loader) The operation of the work vehicle can be more easily operated in all the states.

Further, according to the embodiments of the present invention, the operating portion can be detached from one side of the loading box, so that the operator can more easily operate the operating means while confirming the running condition, operating condition, and the like of the working vehicle.

FIG. 1 is a perspective view showing a work vehicle according to an embodiment of the present invention, and shows a state in which a loading box is lowered. FIG.
FIG. 2 is a perspective view showing a work vehicle according to an embodiment of the present invention, and shows a state in which a loading box is lowered. FIG.
FIG. 3 is a perspective view showing a work vehicle according to an embodiment of the present invention, showing a state in which a load box is raised. FIG.
FIG. 4 is a perspective view showing a work vehicle according to an embodiment of the present invention, and shows a state in which the load tray is raised. FIG.
Fig. 5 is a view for explaining part A of Fig. 1, showing a state in which the operating means is positioned so as to be easily operated by an operator located on the ground
6 is an enlarged view of the connection frame and the rotation control lever of Fig. 5
Fig. 7 is a view for explaining part A in Fig. 1, showing a state in which the operating means is positioned so as to be easily operated by an operator located on the loading box
8 is an enlarged view of the connection frame and the rotation adjusting lever of Fig. 7
Fig. 9 is a view for explaining an operating portion formed to be detachable in a work vehicle according to the embodiments of the present invention; Fig.
FIG. 10 is a view for explaining an operating portion formed to be detachable in a work vehicle according to the embodiments of the present invention; FIG.

Hereinafter, specific embodiments of the present invention will be described with reference to the drawings. The following detailed description is provided to provide a comprehensive understanding of the methods, apparatus, and / or systems described herein. However, this is merely an example and the present invention is not limited thereto.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail. The following terms are defined in consideration of the functions of the present invention, and may be changed according to the intention or custom of the user, the operator, and the like. Therefore, the definition should be based on the contents throughout this specification. The terms used in the detailed description are intended only to describe embodiments of the invention and should in no way be limiting. Unless specifically stated otherwise, the singular form of a term includes plural forms of meaning. In this description, the expressions "comprising" or "comprising" are intended to indicate certain features, numbers, steps, operations, elements, parts or combinations thereof, Should not be construed to preclude the presence or possibility of other features, numbers, steps, operations, elements, portions or combinations thereof.

1 and 4 are perspective views showing a work vehicle 100 according to an embodiment of the present invention. Figs. 1 and 2 are views showing a state in which a loading box 102 is lowered, and Figs. 3 and 4 Is a view showing a state in which the loading box 102 is raised. The work vehicle 100 according to an embodiment of the present invention can be used in an orchard or a house as a work vehicle for carrying loads and for complaints of workers. The operator can load fruit or fruit or the like into the loading box 102 of the work vehicle 100 and carry it. In addition, the operator may perform a complaint operation such as pruning of fruit trees, fruit harvest, etc. by climbing onto the loading box 102. As described above, the work vehicle 100 according to an embodiment of the present invention can raise and lower the loading box 102 by using a battery and an actuator as a carrying vehicle capable of high-altitude operation.

1 to 4, a work vehicle 100 according to an embodiment of the present invention includes a loading box 102, a support frame 104, a running section 106, a driving section 108, and a control section 110 ).

The loading box 102 may have a loading space 102a of a predetermined size for loading the load, such as a fruit, a fruit tree, or the like. As described above, the operator can load the load on the loading box 102 and carry it. In addition, the operator can climb on the loading box 102 to perform a bullying operation such as pruning of fruit trees, fruit harvesting, and the like. To this end, a work footrest (not shown) may be provided on the bottom surface of the loading box 102 for the elevating work. The scaffold may be a plate having a predetermined size (for example, 130 cm x 180 cm) as a scaffold for supporting a worker on board the pallet 102.

The support frame 104 is a frame that supports the loading box 102 below the loading box 102. The support frame 104 includes an upper frame 104a, a connecting frame 104b and a lower frame 104c.

The upper frame 104a is a frame for supporting the loading box 102, and can be fixed to the lower surface of the loading box 102. [

The connecting frame 104b is a frame for supporting the upper frame 104a and can be folded or unfolded as the rod 104e of the lift cylinder 104d advances and retreats. As shown in Figs. 3 and 4, the connection frame 104b may be formed in, for example, an X-shape. If the connection frame 104b is maximally unfolded, the height from the ground of the carriage 102 may be, for example, about 1 m. FIGS. 1 and 2 show a state in which the loading box 102 is lowered by folding the connecting frame 104b, and FIGS. 3 and 4 show a state in which the loading box 102 is raised by unfolding the connecting frame 104b.

The lower frame 104c is a frame for supporting the connecting frame 104b and can be disposed on the upper side of the traveling portion 106. [ The lower frame 104c can support the upper frame 104a and the loading box 102 via the connecting frame 104b and can keep parallel with the loading box 102. [

The lift cylinder 104d and the rod 104e adjust the height from the ground of the loading box 102. [ The lift cylinder 104d may be, for example, a hydraulic cylinder. The rod 104e can move forward or backward in accordance with the hydraulic pressure of the lift cylinder 104d at one end of the lift cylinder 104d. The hydraulic pressure of the lift cylinder 104d can be controlled under the control of the driving unit 108 and the connecting frame 104b can be folded or unfolded as the rod 104e of the lift cylinder 104d advances or retreats. Thus, the height from the ground of the loading box 102 can be adjusted.

The travel portion 106 supports the support frame 104 and moves along the ground. The traveling section 106 includes a traveling frame 106a, an endless track 106b, and a rotary arm 106c.

The traveling frame 106a is a frame for supporting the respective components of the traveling portion 106. [

The endless track 106b surrounds the plurality of rotary arms 106c and can rotate in conjunction with the rotary motion of the rotary arm 106c. At this time, one surface of the endless track 106b may be in contact with the ground.

The rotary arm 106c rotates under the control of the driving unit 108 and the endless track 106b can rotate in conjunction with the rotary motion of the rotary arm 106c. As the rotary arm 106c and the endless track 106b are rotated, the work vehicle 100 can move forward or backward. At this time, the driving unit 108 adjusts the rotation speed of the rotary arm 106c located on the left side of the work vehicle 100 and the rotary arm 106c located on the right side of the work vehicle 100, It is possible to control the moving direction (i.e., steering)

The driving unit 108 controls the operation of various configurations of the work vehicle 100. As described above, the driving unit 108 can control the traveling of the traveling unit 106. [ The drive unit 108 can provide power to the rotary arm 106c and the work vehicle 100 can travel according to the rotary motion of the rotary arm 106c and the endless track 106b.

Further, the driving unit 108 can control the hydraulic pressure of the lift cylinder 104d. The hydraulic pressure of the lift cylinder 104d can be controlled under the control of the drive unit 108 so that the rod 104e of the lift cylinder 104d can move forward or backward, Can be folded or unfolded.

The driving unit 108 may be connected to an operation unit 110 to be described later and an operator may control the operation of the driving unit 108 by operating the operation unit 110. [

The driving unit 108 receives power from a power source (not shown) to drive a motor (not shown), and can control various operations of the work vehicle 100 using the power provided by the motor.

The operation unit 110 is a device for providing a means for operating the operation of the work vehicle 100. 1 to 4, the operation unit 110 includes a fixed frame 110a, an operating unit 110b, a rotating frame 110c, and a connecting frame 110d. And can be raised or lowered together with the loading box 102. Accordingly, when the loading box 102 is raised, the operation unit 110 can be operated by an operator located on the operation footboard of the loading box 102. In the state where the loading box 102 is lowered, Can be operated by the user.

The fixed frame 110a is fixed to one side of the loading box 102 to support the rotating frame 110c. At this time, the rotating frame 110c is coupled to one end of the fixed frame 110a and can be rotated at a predetermined angle.

The operating means 110b may be provided on the operation panel formed on one surface of the turning frame 110c as means used to operate the operation of the work vehicle 100. [ The operating means 110b includes, for example, a key position for operating the operation of the driving unit 108, a lift operating switch for operating the lifting and lowering of the connecting frame 104b, a front / rear / left / right inclination An emergency stop button for coping with an emergency situation, a steering lever for manipulating the traveling direction of the work vehicle 100, and the like. The operator can easily operate the operation of the work vehicle 100 by operating various operating means 110b on the operation panel.

The turning frame 110c provides one or more operating means 110b. At this time, the rotating frame 110c is coupled to one end of the fixed frame 110a and can be rotated at a predetermined angle. As will be described later, the rotation frame 110c can rotate in conjunction with the connection frame 110d.

The connection frame 110d is a means for rotating the rotation frame 110c and has one end fixed to the rotation frame 110c and the other end fixed to the fixed frame 110a. At this time, a groove 110e may extend in one direction on one side of the fixed frame 110a, and the other end of the connection frame 110d may move along the groove 110e according to the operation of the operator. When the other end of the connection frame 110d moves along the groove 110e, the rotation frame 110c connected to one end of the connection frame 110d can rotate in conjunction with the connection frame 110d. For example, when the other end of the connecting frame 110d moves downward along the groove 110e (for example, in the direction of the ground), the operating means 110b moves in a direction opposite to the running direction of the work vehicle 100 When the rotating frame 110c rotates so as to look up and the other end of the connecting frame 110d moves upward (for example, opposite to the ground) along the groove 110e, The turning frame 110c can be turned so as to look at the running direction of the vehicle. That is, as the rotating frame 110c rotates in conjunction with the connecting frame 110d, the direction in which the operating means 110b provided on one surface of the rotating frame 110c is directed can be changed. Accordingly, the operator can easily operate the operation unit 110 on the operation platform of the loading box 102 when the loading box 102 is raised, and can easily operate the operation unit 110 on the ground when the loading box 102 is lowered . As described above, the operator can more easily operate the operation of the work vehicle 100 in both the state in which the worker car 100 is on the ground and the state where the worker 100 is off.

Meanwhile, the movement of the connection frame 110d may be performed through an operation of a rotation control lever (not shown). As will be described later, a first projection and a second projection are formed at one end and the other end of the connection frame 110d, and the rotation control lever includes a first coupling part and a second coupling part that can be coupled with the first projection and the second projection, Respectively. The operator can push or pull the rotation control lever so that the first fastening portion is fastened to the first projecting portion or the second fastening portion is fastened to the second projecting portion. The first fastening part or the second fastening part is fastened to the first projecting part or the second projecting part so that the position of the rotation frame 110c can be fixed. The rotation frame 110c, the connection frame 110d and the rotation control lever will be described later in detail with reference to FIG. 5 to FIG.

Hereinafter, a process of the operator operating the operation unit 110 based on the detailed configuration of the work vehicle 100 will be described.

First, referring to FIG. 1, the operating means 110b may be positioned so as to face the running direction of the work vehicle 100 in a state where the load box 102 is lowered. Thus, the operator can easily control the operation of the work vehicle 100 by operating the operating means 110b on the ground.

2, the operator can directly control the turning of the turning frame 110c by operating the turning control lever so that the operating means 110b faces the running direction of the work vehicle 100. [

3, an operator can input an instruction to raise the loading box 102 by operating the operation unit 110, in which case the loading box 102 is raised by unfolding the connecting frame 104b . At this time, since the operating means 110b is directed to the worker side located in the running direction of the work vehicle 100, that is, the loader 102, an operator operates the operating means 110b on the loader 102, Can easily be controlled.

Next, referring to FIG. 4, the operator can directly control the turning of the turning frame 110c so that the operating means 110b operates in a direction opposite to the running direction of the work vehicle 100 by operating the turning adjusting lever .

As described above, according to the embodiments of the present invention, the operator freely adjusts the angle of the operating portion 110 in accordance with his / her current position (the floor or the pedestal of the loading box 102) The operation of the work vehicle can be more easily operated in all the states.

5 to 8 are views for explaining the rotation frame 110c, the connection frame 110d and the rotation control lever 110f.

5 is a view for explaining a portion A in Fig. 1, showing a state in which the operating means 110b is positioned so as to be easily operated by an operator located on the ground, Fig. 6 is a cross- And the rotation control lever 110f.

As described above, one end of the connection frame 110d is fixed to the rotation frame 110c, and the other end of the connection frame 110d can be coupled to the fixed frame 110a. At this time, a groove 110e may extend in one direction on one side of the fixed frame 110a, and the other end of the connection frame 110d may move along the groove 110e according to the operation of the operator.

The first protrusion 111 and the second protrusion 112 are formed at one end and the other end of the connection frame 110d. The rotation control lever 110f includes a first protrusion 111 and a second protrusion 112, And a first coupling part 113 and a second coupling part 114, respectively, which can be fastened together. The operator can push or pull the rotation control lever 110f so that the first fastening portion 113 is fastened to the first projecting portion 110 or the second fastening portion 114 is fastened to the second projecting portion 112 have.

5 and 6, as the operator operates the rotation control lever 110f, the first projection 111 is fastened to the first fastening part 113, and the second projection 112 is fastened to the second fastening part 113. [ The fastening with the fastening member 114 is released and is positioned at the lower end side of the groove portion 110e. In this case, the position of the first projecting portion 111 is fixed by the first fastening portion 113, so that the position of the rotation frame 110c is fixed so that the operating means 110b is directed in the direction opposite to the running direction . Therefore, an operator located on the ground can easily operate the operating means 110b of the operating section 110. [

Next, Fig. 7 is a view for explaining part A in Fig. 1, and shows a state in which the operating means 110b is positioned so as to be easily operated by an operator located on the loading box 102, and Fig. 8 7 is an enlarged view of the connection frame 110d and the rotation control lever 110f.

7 and 8, as the operator operates the rotation control lever 110f, the second projection 112 is fastened to the second fastening part 114, and the first projection 111 is fastened to the first fastening part 114. [ The engagement with the frame 113 is released and is positioned on the upper side of the fixed frame 110a. In this case, the position of the second projecting portion 112 is fixed by the second coupling portion 114, and the position of the rotation frame 110c can be fixed such that the operating means 110b faces the running direction. Therefore, an operator located on the loading box 102 can easily operate the operating means 110b of the operating portion 110. [

Although the operator has explained that the operator controls the rotation of the rotation frame 110c manually (that is, manually) by operating the rotation control lever 110f, the rotation frame 110c may be automatically controlled .

To this end, the driving unit 108 may be connected to the operation unit 110 and the rotation frame 110c by wire or wirelessly. The driving unit 108 can control the lifting and lowering of the loading box 102 as the operator operates the operating unit 110 and automatically controls the turning of the rotating frame 110c as the loading box 102 is lifted or lowered . For example, the driving unit 108 automatically controls the rotation of the rotating frame 110c so that the operating unit 110b is opposite to the running direction of the work vehicle 100 when the loading unit 102 descends, The turning of the rotating frame 110c can be automatically controlled so that the operating means 110b faces the running direction of the work vehicle 100 when the loading platform 102 rises.

9 and 10 are views for explaining an operating portion 110 formed to be detachable in the work vehicle 100 according to the embodiments of the present invention. Although the operation unit 110 is described as being fixed to one side of the loading box 102, the operating unit 110 may be detachably attached to one side of the loading box 102. 9 is a view showing a state in which the removable operating portion 110 is seated on one side of the loading box 102 and FIG. 10 is a view showing a state in which the removable operating portion 110 is separated from one side of the loading box 102. FIG.

9 and 10, the removable operating portion 110 is mounted on a support 110g located on one side of the loading box 102 and accommodated in the groove of the support 110g, for example, Can be fixed. Specifically, the operator can lift the removable operating portion 110 and place it in the groove of the supporting frame 110g. The removable operating portion 110 can be received in the groove of the supporting frame 110g and fixed in position . Further, the operator may operate the operating means 110b while freely moving the removable operating portion 110. [ For example, the operator can operate the operating means 110b while moving on the loading box 102 with the removable operating portion 110 being held. In this case, the operator can more easily operate the operating means 110b of the operating section 110 while directly confirming the running state, the operating state, and the like of the work vehicle 100. [

The detachable operating portion 110 is detachably attached to and detached from one side of the loading box 102 by being seated on or separated from the loading table 110g. However, this is merely an example, But the means for detaching is not limited thereto. The handling room operation portion 110 may be detached from one side of the loading box 102 via a clamp (not shown), for example.

The detachable operation unit 110 may be wirelessly connected to the driving unit 108 and may be connected to the driving unit 108 through a separate cable.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, I will understand. Therefore, the scope of the present invention should not be limited to the above-described embodiments, but should be determined by equivalents to the appended claims, as well as the appended claims.

100: Work vehicle
102: Loader
102a: Loading space
104: Support frame
104a: upper frame
104b, 110d: connection frame
104c:
104d: lift cylinder
104e: Load
106:
106a: driving frame
106b: an infinite orbit
106c:
108:
110:
110a: Fixed frame
110b: operating means
110c: rotation frame
110e:
110f: rotation control lever
110g: Support
111: first protrusion
112: second protrusion
113: first fastening portion
114: second fastening portion

Claims

As an electric lift-type work vehicle for the transportation of loads and the work of the operator,
A loading box having a loading space for loading the load and having a scaffold for supporting the operator; And
And an operation unit for receiving a command from the operator to perform at least one of running control of the work car, steering control of the work car, and up and down control of the load car,
The operation unit may be mounted on one side of the loading box so that the operation unit can be operated by an operator located on the operation footboard while the loading box is raised and can be operated by an operator positioned on the ground in a state in which the loading box is lowered And is raised or lowered together with the loading box,
Wherein,
A fixed frame fixed to one side of the loading box;
A rotating frame coupled to one end of the fixed frame and having one or more operating means for receiving the command; And
And a connection frame having one end fixed to the pivotal frame and the other end coupled to the fixed frame,
On one side of the fixed frame, a groove portion is formed extending in one direction,
And the other end of the connection frame is moved along the groove portion according to an operation of the operator so that the rotation frame is rotated.

delete

The method according to claim 1,
Wherein a first projection and a second projection are respectively formed at one end and the other end of the connection frame,
Wherein the operating portion includes a first engaging portion and a second engaging portion engageable with the first projecting portion and the second projecting portion, respectively, and the first engaging portion is engaged with the first projecting portion or the second engaging portion is engaged with the second engaging portion, Further comprising a pivoting control lever that is engaged with the second projection to fix the position of the pivoting frame.

The method according to claim 1,
And a driving unit connected to the operation unit and the rotation frame for controlling the raising and lowering of the loading box as the operator operates the operation unit and automatically controlling the rotation of the rotation frame as the loading box is raised or lowered Included, working car.

The method of claim 5,
Wherein the driving unit controls the turning of the rotating frame such that the at least one operating means is opposite to the traveling direction of the working vehicle when the loading box is lowered, And controls the rotation of the rotation frame so as to face the running direction of the work vehicle.

The method according to claim 1,
Wherein the operating portion is detachable from one side of the loading box.