JPH07305520A - Control device of cannibalizer - Google Patents

Abstract

PURPOSE:To facilitate operation and prevent malopcration by providing right and left running operation levers on the control stand of the driver's seat of a construction machine provided with attachments for cannibalization, and controlling running only by the levers. CONSTITUTION:A control stand 23 having a slope 29 is provided in front of a driver's seat, right and left a pair of running operation levers 24, 30 are provided side by side, and in addition, an inter boom operation lever 25, an option operation lever 31, and the like are provided therein. Operation pedals 26, 32 are used for turning a cannibalizer, opening/closing a cannibalizer, and the like. Right and left running operations are controlled only by the levers 24, 30, and in response to addition of control devices due to increase of function of attachments, actuators corresponding to respective operation levers except the running levers 24, 30 are made possible to be selected and changed over. Hereby, operation is facilitated, maloperation is eliminated, and hence safety can be improved.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dismantling attachment control device mainly mounted on construction machines such as hydraulic excavators and work vehicles.

[0002]

2. Description of the Related Art FIG. 6 is a side view of the essential parts of a hydraulic excavator equipped with a disassembly attachment 1 according to the prior art. In the figure, 2 is an upper revolving structure, 3 is a lower traveling structure, 4
Is a main boom, 5 is a front boom, and 6 is an intab.
, 7 is an arm, 8 is a dismantling machine, 9, 10, 11, 12 are main booms, 4 intubs, 6 arms, 7 dismantling machines.
Is a cylinder that swings each. FIG. 7 is a plan view of a main part of the cab 13. In the figure, 14 is a driver's seat,
Reference numerals 15, 16 and 17 are operation levers, 18 and 19 are operation pedals, and 20 and 21 are traveling levers and pedals. Figure 6
As shown in FIG. 7, a main boom 4, a front boom 5, an intumb 6, an arm 7 and a dismantling machine 8 are sequentially connected to the front portion of the upper swing body 2 to form cylinders 9 and 1.
It is configured to swing vertically through 0, 11, and 12, respectively. In addition, operation levers are provided on the left and right sides of the driver's seat 14.
15 and 16 are arranged, the operation lever 15 swings the main boom 4 and the dismantling machine 8 through the cylinders 9 and 12, and the operation lever 16 swings the arm 7 through the cylinder 11. Let Further, levers & pedals 20 and 21 for traveling are arranged in front of the driver's seat 14, operation levers 17 and operation pedals 18 and 19 are arranged on both left and right sides thereof, and the cylinder 10 is operated by the operation lever 17. The in-tab 6 is swung via the operation pedals 18 and 19 to open / close and turn the dismantling machine 8.

[0003]

The conventional control device shown in FIG. 6 has the following drawbacks. That is,
Since the operating lever for the intub and the operating lever for traveling are arranged in parallel, an erroneous operation may occur. In addition, although a pedal and a lever are installed side by side with the operating device for traveling, it is difficult to finely operate with the pedal, so in a long disassembly attachment mounting machine that requires slow start and slow stop in terms of aircraft balance. I don't use pedals much. In addition, when the attachment is further extended and a control device is added, it is difficult to deal with it due to the problem of the mounting space. In addition, the operating lever for the main boom, which is rarely used, is at the driver's hand, and the operating lever for the in-boom, which is frequently used, is in the front. The present invention aims to solve the above problems.

[0004]

In order to achieve the above object, the control device of the present invention is provided with operating levers on the left and right sides of the driver's seat, and the control lever is provided on the floor of the operator's cab in front of the driver's seat. -Stand up the control stand, arrange a plurality of operating levers on the upper surface of the control stand, and operate on the left and right side parts of the control stand at the upper part of the floor of the cab. The pedal is arranged.

The control stand is slightly higher than the seat surface of the driver's seat and has a substantially rectangular shape in a plan view, and the upper surface portion is gently inclined rearward from the horizontal plane portion and the rear end of the horizontal plane portion. Formed with a descending inclined surface portion, a plurality of attachment operation levers rotatable in the front-rear direction are provided in parallel at the central portion of the horizontal surface portion, and at the central portion of the inclined surface portion,
A pair of left and right traveling operation levers that can rotate in the front-rear direction are arranged in parallel.

A pair of left and right plates are erected upright in the vicinity of the left and right ends of the inclined surface of the control stand.
One member forming a hinge is fixed to each of the plates so that the other member can be rotated in the left-right direction, and the traveling operation lever is provided at the center of the end face of the rotating-side member. A U-shaped recess having a size slightly larger than the cross section is formed so that the U-shaped recess locks the lever when the member is tilted to the lever side at the neutral position of the traveling operation lever.

Operation levers are provided on both left and right sides of the driver's seat, respectively.
, A control stand is erected on the floor of the driver's cab in front of the driver's seat, and a pair of left and right running operation levers and a plurality of attachment operation levers are provided on the upper surface of the control stand. The operating levers on both sides of the driver's seat excluding the above-mentioned operating levers and the operating levers on the upper surface of the control stand can be selectively switched. .

[0008]

In the control device of the present invention, a control stand is provided in front of the driver's seat, and a pair of left and right traveling operation levers are juxtaposed on the upper surface of the control stand in front of the operator for fine control. The difficult operation pedal was abolished. Therefore, only the lever can be operated for running, and it is possible to reliably start and stop slowly. Further, since a plurality of operation levers are provided in front of the traveling operation lever on the upper surface of the control stand, it becomes possible to easily cope with the addition of the control device due to the increase in the function of the attachment. Further, since the traveling operation lever and the attachment operation lever are arranged at the front and rear as described above, erroneous operation is less likely to occur. Further, since the lock device at the neutral position is provided for the operating lever for traveling, the erroneous operation can be surely prevented by using the lock device when the vehicle is not traveling. Also, since the corresponding actuators can be selectively switched for each operation lever except the traveling lever, it can be easily changed according to the contents of the work, and it becomes very easy to drive.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a side view of a main portion of a driver's cab equipped with the control device according to claims 1 and 2 of the present invention. In the figure, the same reference numerals are given to those using the same constituent elements as those in the prior art. 22 is the floor of the driver's cab, 23 is a control stand, 24 is an operating lever for left running, 25 is an operating lever for intubation, 26 is an operating pedal for dismantling machine turning, 2
Reference numeral 7 is a seat surface of the driver's seat 14, 28 is a horizontal surface portion above the control stand 23, and 29 is an inclined surface portion. Figure 2
[Fig. 2] is a plan view of relevant parts as seen from AA in Fig. 1. In the figure, 30 is a right running operation lever, 31 is an optional operation lever, and 32 is a dismantling machine opening / closing operation pedal. Figure 1
As shown in FIG. 2, a control stand 23 is erected at the center of the front part of the floor 22 of the cab, and a pair of left and right traveling operation levers 24 are provided on the inclined surface part 29 above the control stand 23. , 30 and an operation lever 25 for intubation and an operation lever 31 for option are arranged on the horizontal plane portion 28. In addition, on the upper surface of the floor 22 of the driver's cab,
Operation pedal 2 for turning the dismantling machine on both sides of the stand 23
6 and an operation pedal 32 for opening and closing the dismantling machine are provided respectively.

FIG. 3 is a side view of the essential portions of the control device according to claim 3 of the present invention. In the figure, 33 is a plate, 34 is a hinge, and 35 is a fixed member forming the hinge 34.
Reference numeral 36 is a member on the rotating side of the hinge 34, 37 is a U-shaped recess formed in the member 36, and 38 is a bolt. Figure 4
FIG. 3 is a rear view of the main part viewed from B of FIG.
4 and 30 show locked states. In the figure, 33 'is a plate, 34' is a hinge, 35 'is a fixed member forming the hinge 34', and 36 'is a rotating member. The two-dot chain line shows the unlocked state of the operating levers 24 and 30 for traveling. As shown in FIGS. 3 and 4, the plate 3 is provided near the left and right ends of the inclined surface portion 29 of the control stand 23.
3, 33 'are erected, and the plates 33, 3 are
Members 35 and 35 'of hinges 34 and 34' are fixed to 3'with bolts 38. The members 36, 36 'are each rotatable in the left-right direction, and a U-shaped recess 37 is formed on the end surface thereof. Therefore, FIG.
As shown in FIG.
If you tilt it to the direction of 4, 30
The rod portion of 30 enters the U-shaped recess 37 and is held in a neutral state. Further, when the members 36, 36 'are rotated to the state of the two-dot chain line, the operating levers for traveling-24,
30 is released from the locked state and can be rotated in the front-rear direction.

FIG. 5 is a plan view of the essential portions of the control device according to claim 4 of the present invention. In the figure, 39 is an operation lever for an intub and an arm, and 40 is an operation lever for a main boom. As shown in the figure, the main boom 4 is used less frequently
Operation lever with the control stand installed on the control stand
0, the operation of the frequently used intabium 6 is activated in the driver's seat 1
The operation lever 39 arranged on the right side of the No. 4 is used. Therefore, the operation lever 39 is used for frequently operating the arm 7 and the in-tab 6, and the operation lever 16 is for operating the swinging of the dismantling machine 8 and the swinging of the upper swing body 2.
It is possible to drive with. The actuators corresponding to the respective operation levers can be freely selected and switched according to the operator's preference.

[0012]

According to the present invention, the control stand is provided in front of the driver's seat, and the left and right operating levers are provided on the upper surface of the control stand.
Since the operation pedal has been abolished and the operation pedal has been abolished, the vehicle can be driven only by lever and it is possible to reliably start and stop slowly. Further, a plurality of attachment operation levers are provided in front of the traveling operation lever on the upper surface of the control stand to cope with an increase in the operation system due to the increase in the attachment functions. Further, since the traveling operation lever and the attachment operation lever are arranged in the front and rear as described above, it is difficult to make an erroneous operation. Further, since the lock device at the neutral position is provided for the traveling operation lever, erroneous operation can be reliably prevented by using the lock device when the vehicle is not traveling. Further, since the actuators corresponding to the respective operation levers can be freely selected according to the operator's preference, it is very easy to drive. As a result, the efficiency of dismantling work and the safety can be improved.

[Brief description of drawings]

FIG. 1 is a side view of an essential part of a control device according to claims 1 and 2 of the present invention.

FIG. 2 is a plan view of an essential part seen from AA in FIG.

FIG. 3 is a side view of a main part of the control device according to claim 3 of the present invention.

FIG. 4 is a rear view of the main part as seen from B of FIG.

FIG. 5 is a plan view of an essential part of the control device according to claim 4 of the present invention.

FIG. 6 is a side view of a main part of a hydraulic excavator equipped with a disassembly attachment according to a conventional technique.

FIG. 7 is a plan view of a main part of a driver's cab equipped with a conventional control device.

[Explanation of symbols]

1 Work Attachment for Dismantling 4 Main Boom 5 Front Boom 6 Intub Boom 7 Arm 8 Dismantling Machine 9, 10, 11, 12 Cylinder 15, 16, 17, 24, 25, 30, 31, 31, 39, 4
0 Operation lever 18, 19, 26, 32 Operation pedal 23 Control stand 34 Hinge 37 U-shaped recess

Claims (4)

[Claims] 1. A construction machine in which a work attachment for dismantling a structure is attached to a front portion of a vehicle body, and a driver's seat is provided in a driver's cab provided on the vehicle body. A lever is installed, and a control stand is erected on the floor of the driver's cab in front of the driver's seat.
Three or more operation levers are provided on the upper surface of the control stand, and operation pedals are provided on the left and right sides of the control stand above the floor of the cab. A control device for a dismantling machine. 2. The control stand is slightly higher than a seat surface of a driver's seat and has a substantially rectangular shape in a plan view, and an upper surface portion thereof extends rearward from a horizontal plane portion and a rear end of the horizontal plane portion. A plurality of operation levers for attachment, which are formed by a sloping surface portion that gently lowers, and which are rotatable in the front-rear direction, are arranged side by side in the central portion of the horizontal surface portion. A pair of left and right rotatable operation levers for traveling
The control device for the dismantling machine according to claim 1, further comprising: 3. A pair of left and right plates are erected opposite to each other near the left and right ends of the inclined surface of the control stand, and one member forming a hinge is provided on each of the plates. The other member is fixed so that the other member can be rotated in the left-right direction, and a U-shaped recess slightly larger than the cross section of the traveling lever is formed in the center of the end surface of the member on the rotating side to provide the traveling operation. 3. The control device for the dismantling machine according to claim 2, wherein the U-shaped recess is adapted to lock the lever when the member is tilted to the lever side at the neutral position of the lever. 4. A construction machine in which a work attachment for dismantling a structure is attached to a front portion of a vehicle body, and a driver's seat is provided in a driver's cab provided on the vehicle body. A lever is installed, and a control stand is erected on the floor of the driver's cab in front of the driver's seat.
A pair of left and right traveling operation levers and a plurality of attachment operation levers are provided on the upper surface of the control stand, and the operation levers and control sections on both sides of the driver's seat excluding the traveling operation levers are arranged. − Operation lever on the top of the stand
A control device for a dismantling machine characterized in that the actuators corresponding to the respective operation levers can be selectively switched.