JPH0241883A - Operation lever device for load handling device - Google Patents

Abstract

PURPOSE:To eliminate a misoperation by providing a member for forming a driving signal for the traveling driving source at the fore and aft and right and left of a load handling device by the right and left rotations of two working members. CONSTITUTION:The operation members 2, 3 of X, Y each shaft are fitted rotatably to a box like main body 1 by crossing on a two dimensional plane in the state of the respective rotary shaft being positioned in the same surface and giving a self-restoring power by springs 4, 5. The oblong holes 2a, 3a running along the longitudinal direction of the respective member are formed on the crossing part of each operation member 2, 3 and the tip side of the operation lever 10 arranged from the vertical direction for those oblong holes is loosely inserted to the two oblong holes. An electric signal is formed on electric part(e. g., a potentiometer) with the right and left rotations of the two operation members 2, 3 by operating this operation lever 10, the respective driving source is turned positively or reversely, the number of revolution thereof is adjusted according to the inclination degrees of the operation lever 10 as well and a load handling device is traveled at the speed corresponding to the direction and inclination to which the operation lever is leaned.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an operating lever device for a traveling type load handling device that is movable on an X-Y plane.

[Conventional technology]

For load-handling devices such as traveling hoists and cranes, the operation panel is formed into a pendant type, and by pressing the operation button, the hoist or crane can be moved in a desired direction or the load can be lifted or lowered. It is being done.

[Problem to be solved by the invention]

A conventionally known pendant-type operation panel for a traveling type load handling device is 1. For example, in order to operate traveling or raising/lowering by instructing each traveling direction or lifting/lowering direction and pressing a button switch provided for each, In order to avoid erroneous operations, it is necessary to visually confirm the direction of operation on the operation panel before operating the corresponding button, which is not suitable for quick operation.

Furthermore, if the button is pressed incorrectly, the vehicle will travel in a direction different from the direction intended by the operator, which is dangerous.

SUMMARY OF THE INVENTION An object of the present invention is to provide a control lever device that does not have the troublesome operation of conventional devices and is almost free from erroneous operation.

[Means to solve the problem]

The structure of the present invention for solving the above problems is such that two rod-shaped actuating members are placed in a box-shaped main body, and their rotational axes are positioned in the same plane and intersect on two horizontal planes. , is rotatably mounted by applying a self-returning force using a spring or the like, and has elongated holes formed along the longitudinal direction of each member at the intersection of each actuating member, and is perpendicular to these elongated holes. The distal end side of the disposed operating rod is loosely inserted into the two elongated holes, and the operating rod is pivoted in the elongated hole located on the rotation axis by a horizontal shaft orthogonal to the elongated hole. An electric component that is associated with the actuating members of the book and generates electric signals by rotating these two members to the left or right, which forms drive signals for the front and rear and left and right travel drive sources of the load handling device. This feature is characterized by the provision of a member for.

[For production]

If the operating rod is hung in a vertical direction or is installed in an upright position, tilting it forward or backward, or to the left or right,
A signal is formed in the electric component provided corresponding to the tilted side of the operating rod, and each travel drive source having a potentiometer in its circuit rotates forward or reverse and also rotates according to the degree of tilt. The load handling device is made to travel at a speed corresponding to the direction and degree of inclination of the operating rod by increasing or decreasing the number.

〔Example〕

Next, five embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a perspective view showing the conceptual structure of the device of the present invention, FIG. 2 is a plan view of an example of the device of the present invention with the top cover removed, and FIG.
The figure is a sectional view taken along the nr-m arrow in FIG. 2, FIG. 4 is a right side view of the device shown in FIG. 2, and FIG. 5 is a sectional view taken along the
6 is a sectional view taken along the line VI--VI in FIG. 5, and FIG. 7 is a perspective view schematically showing an example of a load handling device installed in a cargo compartment to which the device of the present invention is applied.

Although the box-shaped main body 1 shown in FIG. 2 and subsequent drawings is not shown in FIG. 1, the structural members shown in FIG. 1 are attached to this main body 1.

Thus, 2 is a bearing portion 1a formed on the − side wall of the main body 1;
This is an X-wheel actuating member made of a round bar whose both ends are supported by la and mounted in a horizontal direction (in this case, the X-axis direction). A long hole 2a is provided through the upper and lower surfaces of the member.

Reference numeral 3 denotes a Y-wheel operating member mounted on bearing portions 1b, lb formed on the other side wall of the main body 1 in a direction perpendicular to the X-wheel operating member 2; is in the same plane as For this reason, the Y-wheel operating member 3 has an arched portion 3b such that its central portion straddles the previous X-wheel operating member 2.
is formed. 3a is an elongated hole provided in this arched portion 3b along the length direction of the member 3, passing through the upper and lower surfaces of the member.

Both members 2.3 have elongated holes 2a, 3a formed therein.
so that it always faces directly upward, that is, maintains a neutral position.
Here, the left and right side surfaces of the member are tensioned by springs 4 and 5.

6.7 is a switch actuating body formed on the actuating members 2 and 3 of both the x and y axes, and these actuating bodies 6 and 7 are switches SWX, 5WX, which are disposed on both sides in the rotational direction opposite to these actuating bodies 6.7.
2.5WY1. SWY, (7) each movable contact piece 8
．． 8', 9, 9' are operated.

Note that the two operating members 2 and 3 may be provided with a potentiometer or an encoder for detecting the rotation angle (amount) when these members rotate. In the above example, the electrical components in the present invention refer to the switches Sx□ to 5WV2, the potentiometer, and the encoder.

10 is the upper end 1 in the elongated holes 2a and 3a of the operating members 2 and 3.
0b is loosely fitted through the operating rod, and is attached to the X-wheel actuating member 2 in the elongated hole 2a by a mounting pin 10a parallel to the X-axis.

Incidentally, the operating rod 1o is connected to a lower operating rod 10' at a joint portion 10c so as to be detachable. This is because lower operating rods 10' having different lengths are attached depending on the mounting height of the main body 1.

Reference numeral 11 denotes an operating section of a lifting drive source that is provided at the lower end of the lower operating rod 10' via a slip ring 12, and here includes an operating knob lla attached by a horizontal shaft 11b and a swinging operation of this knob lla. It is formed by a switch or potentiometer (not shown) that is actuated by a switch.

Thus, the operating rod 10 moves in a Y direction with the pin 10a as a fulcrum.
When the Y-wheel actuating member 3 is swung forward or backward along the axial direction, the upper end portion 10b also oscillates along the Y-axis direction, causing the Y-wheel operating member 3 to rotate angularly about its bearing portion 1b. The angular rotation of this member 3 causes the switch actuating body 7 to actuate the movable contact piece 9 or 9' of either one of the switches 5WY1 or SwY2.

On the other hand, when the operating rod 10 is swung along the X-axis direction,
The wheel operating member 2 rotates angularly around the bearing portion 1a, and the switch operating body 6 operates the movable contact piece 8 or 8' of either the switch SWX or 5WX2. At this time, the upper end portion 10b of the operating rod 10 freely swings within the elongated hole 3a of the operating member 3.

Here, the switch Sx is connected to the forward rotation circuit of a motor (not shown), which is a travel drive source in the X-axis direction, and the switch 5WX2 is connected to the reverse rotation circuit of this motor.
On the other hand, the switch 5WY1 is connected to the forward rotation circuit of a motor (not shown), which is a travel drive source in the Y-axis direction, and the switch 5WY2 is connected to the reverse rotation circuit of this motor, so that the operation rod 10 can be controlled. This means that the travel drive source can be operated in the direction of the swing.

Moreover, an electric component such as a potentiometer or an encoder that generates an electric signal proportional to the rotation angle is attached to each of the above-mentioned actuating members 2 and 3 so as to be actuated by the rotational movement of the actuating members 2 and 3. If a tensiometer etc. is inserted into the forward and reverse circuits of the motor together with each of the above switches 5Illx□~5WY2, each of the above operating members 2
, 3, in other words, the motor rotation speed can be controlled in proportion to the inclination angle of the operating rod 1o. In addition, when the motor is servo controlled, the above switch 5WX1
~5IiY2 becomes unnecessary.

On the other hand, the operation knob lla is used to raise and lower the load part of the load handling device. For example, if you press the upper side, the motor or cylinder that is the driving source for raising and lowering will operate in the upward direction, and if you press the lower side, the motor etc. are formed to operate on the descending side, and the elevating/lowering operation part 11 having this operation knob lla is attached to the lower operating rod 10' via a slip ring 12, so that the elevating/lowering operating part 11 can be operated on the lowering side. Rod 10.10″l
: vs. j 7. i Regardless of the orientation of the author, it can always be held in a fixed orientation towards the author.

In addition, the lifting/lowering operation unit is limited to those listed in L, ttr,
For example, it goes without saying that an appropriate operating type, such as a lever type or a handle type, may be formed at the bottom of the operating rod.

In this way, with the device of the present invention, simply by pointing the operating rod 10 in the direction in which the load section of the load handling device is desired to be moved, it is possible to move the load section in that direction. Since the operation knob lla can be operated in a desired direction, the load section of the load handling device can be raised and lowered in a comfortable posture.

For example, by tilting the operating rods 10, 10', the operating rods 10, 10' will move together with the load handling device from the right hand side of the operator, passing in front of the operator's eyes, and moving to the left hand side. In this case, the lift operation section 11 is provided on the lower operation rod 10' via the snop ring 12, so the operation knob l
Even if the direction of the hand gripping la changes, the operator does not have to grip the operating section 11 again, making the operation extremely easy. Therefore, it is generally desirable for the device of the present invention to be hung and attached to an arm member or a truck of a load handling device.

Thus, the device of the present invention indicated by "=" can be embodied in a structure as shown in FIGS. 2 to 6, for example.

In FIGS. 2 to 6, the same reference numerals as in FIG. 1 indicate the same members.

In FIGS. 2 to 6, the box-shaped main body] includes an upper lid 1d having a mounting wing portion 1c, a bottom 1f forming an insertion die for the operating rod 10, each of the above-mentioned bearing portions la, lb is formed by the side wall.

In addition, the actuating parts 6 and 7 have tongue-like members that each actuate the actuating members 2 and 3.
It is screwed to the end of the.

The springs 4, 5 that self-return and hold each actuating member 2, 3 to a neutral position are attached to the upper ends of bifurcated spring receivers 4a, 4b, 5a, 5b loosely inserted into each member 2, 3. 4. It is formed by stretching the same 5. These spring receivers 4a to 5b are fixed to the members 2 and 3.
The stopper pin 4 is actuated by the driving members 2c and 3c.
The neutral position is regulated by c and 5c.

The device of the present invention can be hung from the mounting wing portion 1c of the main body 1 on the ceiling of a room or car where a traveling type load handling device is installed, or on a truck or arm member of the load handling device. It is what you use.

In addition, the operating rod 10 may be sunk in the -1- direction and the main body 1 may be mounted and used on the floor.

The above-mentioned device of the present invention is particularly applicable to the load handling device as shown in FIG.
It is extremely useful as an operating device for the traveling type load handling device proposed in No. 16, No. 1162-97417.

As an example, the load handling device shown in FIG. 21. swivel or pivot in a secondary plane.

An extensible arm member 22 is attached to a shaft 22P, and a load supporting part F is formed at the tip of the arm member 22, and the rear end side is wound up by a hoisting mechanism 23 attached to an arm member or a cart. It is constructed by suspending a rope member such as a belt 24. Note that the arm member 22 of the truck 21 may not rotate.

The direction and degree of inclination of the operating levers io, t, and oo in the device of the present invention are controlled by the operating lever ]-0 in order to control the traveling direction and traveling speed of the Y-axis due to the XID of the truck 21. Each switch, potentiometer, etc. is connected to the traveling drive 1IiX21x, 21y of each axis of the truck, and the switch and potentiometer of the lifting operation section 11 is connected to the hoisting drive source 23m of the hoisting mechanism 23. Become.

In addition, the device of the present invention has two main bodies 1 facing oppositely, and the operator ``10''.
When formed in an upwardly facing manner, it becomes a so-called "joystick" shape. Therefore, from the device of the present invention formed in such a form, signal cables fed out from electrical components such as switches and potentiometers are extended, and the above-mentioned If it can be freely connected to the 1g drive side of a motor or the like of a load handling device, so-called remote control will also be possible.

〔Effect of the invention〕

The present invention is as described above, and by tilting the operating rod to the side where you want to move the traveling type load handling device, the load handling device can be moved in that direction depending on the direction and degree of inclination. There are no operational errors and it is extremely easy to use.

Furthermore, since the operating rod can be tilted to the intermediate side between the X and Y axes, it is also possible to run the load handling device diagonally.

In particular, in the device of the present invention, in the type in which the lower operating rod 10' is also provided with the lifting operation section 11, the lifting operation section 11 is gripped with one hand, and the operation knob lla of the lifting operation section is operated with the gripped hand. Since the operation and tilting of the operating rod 10 can be performed at the same time, it is rational that the cargo can be moved horizontally in a desired direction and raised or lowered at will while the other hand is placed on the cargo. be.

Moreover, in the device of the present invention, even if the orientation of the handshake part (elevating operation part) changes due to the movement of the load handling device, the grip part can follow the change while maintaining its original gripping position due to the action of the slip ring 12. Therefore, there is no need to change the grip or visually check the operator's hand.
It is possible to move the cargo horizontally and move it up and down while following only the movement of the cargo with the eyes, and as a result, the cargo handling operation can be extremely simplified.

Therefore, the device of the present invention is extremely useful as an operating device for a load handling device having a traveling function.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing the conceptual structure of the device of the present invention, FIG. 2 is a plan view of an example of the device of the present invention with the top cover removed, and FIG.
The figure is a sectional view taken along the line ■-■ in FIG. 2, FIG. 4 is a right side view of the device shown in FIG. 2, FIG. 5 is a sectional view taken along the
The figure is a cross-sectional view taken along the line VI--VI in FIG. 5, and FIG. 7 is a perspective view showing an outline of an example of a load handling device installed in a cargo compartment to which the device of the present invention is applied. DESCRIPTION OF SYMBOLS 1... Main body, 2... X-wheel operating member, 3... Y-wheel operating member, 2a, 3a... Elongated hole, 4, 5... Spring, 6° 7... Switch operating body , Svx, 5WX
2...X-axis switch. SWY□, 5WY2・-Y axis switch, 8.8',
9,91. . Movable contact piece of each switch, 1o...operation rod, IOao...
Mounting pin, lla...operation knob Fig. 2

Claims (1)

[Scope of Claims] 1. Two actuating members in the form of a rod or the like are placed in a main body in the form of a box or the like, with their rotational axes located in the same plane and intersecting on a secondary plane. The operating rod is attached rotatably by applying a return force, and has elongated holes formed along the longitudinal direction of each member at the intersection of each actuating member, and is arranged in a direction perpendicular to these elongated holes. loosely insert the tip side into the two elongated holes, and while this operating rod is pivoted in the elongated hole located on the rotation axis by a horizontal axis orthogonal to the elongated hole, the operating rod is connected to the two operating members. Relatedly, an electric component is provided in which electrical signals are generated by left and right rotation of both of these members, and a member is provided for forming drive signals for the front and rear and left and right travel drive sources of the load handling device. An operating lever device for a load handling device characterized by: 2. Two operating members in the shape of a rod or the like are placed in a box-like main body, with their respective rotation axes located in the same plane, crossed on a secondary plane, and rotated by applying a self-returning force by a spring or the like. At the same time, a long hole is formed along the longitudinal direction of each member at the intersection of each actuating member, and the tip side of the operating rod arranged perpendicularly to the long hole is connected to the above-mentioned 2. The operating rod is loosely inserted into one elongated hole, and this operating rod is pivotally connected to the elongated hole located on the rotation axis by a horizontal axis perpendicular to the elongated hole, while being connected to the two actuating members, An electric component that generates an electric signal by rotating the member left and right, and includes a member for forming drive signals for the front and rear and left and right travel drive sources of the load handling device, and the vertically oriented An operating lever device for a load handling device according to claim 1, wherein a lifting operation section of a lifting drive source for the load handling device is provided below an operating rod via a slip ring. 3. The load handling device is constructed by attaching an arm member to a trolley that is installed so that it can travel in the X and Y axis directions within a secondary plane near the ceiling of the cargo compartment of a cargo vehicle, and using a belt, etc. from the tip of the arm member. Claim 1: A rope member is suspended and a load bearing portion is provided at the tip thereof, and the rear end side of the rope member is wound up by a winding mechanism provided on an arm member or a truck. Or the operating lever device of the load handling device described in paragraph 2. 4. The operating lever device for a load handling device according to claim 3, wherein the arm member has a joint for pivoting or extending/contracting within a secondary plane.