JPH07203568A - Hanging type control panel for construction machine - Google Patents

Abstract

PURPOSE:To improve operability, and to prevent a shoulder or an arm from being tired even if operation is continued for many hours by installing hand rests at the left and the right side surfaces of a control panel main body provided with a control lever at its upper surface. CONSTITUTION:In a portable control panel to constitute a transmitter to transmit a remote signal to a receiver mounted on the main body of a construction machine, the hand rests 26A, 26B are installed respectively at the left and the right side surfaces of the control panel main body 12 on whose upper surface the control levers 13 to 15 a to be operated by a finger are fitted. The hand rests 26A, 26B are made of a metal plate or a resin plate, and are tightened together with the control panel main body 12 by a bolt 27 and a nut 28 so as to be fixed to it. Besides, belt inserting holes 26a are formed at the hand rests 26A, 26B, and a waist belt is inserted into them so as to prevent the control panel 11 from shaking. Thus, at the time of operating the control levers 13, 14, the hands are supported by the hand rests 26A, 26B, and the hand is prevented from swinging during lever operation. Accordingly, fatigue is reduced even if the operation is continued for many hours.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable shoulder-mounted control panel for construction machines, which is used when operating construction machines such as hydraulic excavators and telescoping clamshells having a remote control function.

[0002]

2. Description of the Related Art When digging a deep hole using a hydraulic excavator with a slide arm or the like, if the digging hole becomes deep, the bucket cannot be viewed directly from the operator's cab, and the digging point cannot be confirmed. When the bucket is pulled up, the bucket may hit the inner wall of the hole and collapse the wall surface of the hole. For this reason, conventionally, a signal man other than the driver looks into the excavation hole and signals the driver in the cab about the excavation state, and the driver operates the hydraulic excavator by this instruction. However, since this method is extremely inefficient in working, a hydraulic excavator or the like having a remote control function has been developed when excavating a deep hole or the like that cannot be seen directly from the operator's cab.

FIG. 6 is a diagram showing a state in which a deep hole is being excavated by using a remote-operated hydraulic excavator with a slide arm, which is one example thereof. In the hydraulic excavator, a revolving structure 3 is installed on a traveling structure 1 via a revolving device 2, a boom 4 is mounted on the revolving structure 3 so as to be able to rise and fall by a boom cylinder 4x, and a lower arm 5a and an upper arm 5b are attached to the boom 4. A slide arm 5 consisting of and is rotatably attached by an arm cylinder 5x, an upper arm 5b is made slidable by a slide cylinder 5y with respect to a lower arm 5a, and a bucket cylinder 6x is provided on the upper arm 5b of the slide arm 5 by a bucket cylinder 6x. Is rotatably attached.

In the excavation work by the hydraulic excavator, the driver 8 carries the operation panel 9 which is a transmitter for remote operation on the ground, and while looking at the excavation site in the vertical hole 31, operates the operation lever of the operation panel 9 or the like. The remote control signal is transmitted to the receiver 7 on the revolving structure 3 by radio or wire, and the receiver 7 receives the transmission signal and generates the operation signal when the driver operates the operating means in the cab. The received signal is converted to the traveling body 1, the hydraulic motors of the turning device 2, the boom 4, the slide arm 5, and the cylinders 4x of the bucket 6,
Excavation work is performed by controlling the 5x, 5y, and 6x control valves. In the case of the hydraulic excavator, since the weight of the operation panel 9 including the battery is about 2 kg, the method of suspending it from the shoulder with the belt 10 is adopted.

[0005]

However, since the operation lever and the operation switch provided on the operation panel 9 are operated by pinching the lever and the switch with a finger, the hand is suspended in the air. However, in the conventional operation panel 9, there is a problem that the hand sways up and down, and the operation is not easy, and if the operation is continued for a long time, the arm and the shoulder get tired.

In view of the above situation, it is an object of the present invention to provide a shoulder type operation panel for a construction machine, which is easy to operate and does not cause much fatigue to the arms and shoulders even if the operation is continued for a long time.

[0007]

In order to achieve the above object, the present invention provides a portable shoulder type which constitutes a transmitter for transmitting a remote control signal to a receiver mounted on the body of a construction machine. In the operation panel, the manual operation table is provided on the left and right side surfaces of the operation panel body having an operation lever operated by a finger on the upper surface. Further, in the present invention, it is preferable that the manual placing table is attached so that the vertical position can be adjusted.

[0008]

In the present invention, since the hand placing table is provided on the left and right side surfaces of the operation panel body, the hand is supported by the hand placing table when the operation lever is operated, and the hand is prevented from wobbling up and down during the operation. Further, when the hand placing table is attached so that the vertical position can be adjusted, the height of the hand placing table is adjusted to a suitable height according to the size of the operator's hand.

[0009]

1 (A) is a perspective view showing an embodiment of an operation panel according to the present invention applied to a hydraulic excavator, and FIG. 1 (B) is an exploded perspective view showing a mounting structure of a manual placing table to the operation panel main body. Figure,
2 is a plan view of the operation panel, and FIG. 3 is a rear view of the operation panel. As shown in FIGS. 1 to 3, the operation panel 11 of this example
Is provided on the front left side of the upper surface of the operation panel body 12 with the operation lever 13 for the control device of the swivel device 2, the arm cylinder 5x, and the left side traveling device of the lower traveling body 1, and on the front right side, the bucket cylinder 6x. The boom cylinder 4x and the operating levers 14 for the respective control valves of the right side traveling device of the lower traveling structure 1 are provided. 30 is the operation lever-1
A traveling / front selection switch for selecting whether to use front and rear operation of Nos. 3 and 14 and when the front side operation is set by pulling the selection switch 30 forward. The arm 5 can be raised or lowered by operating the lever 13 forward and backward, and the boom 4 can be raised or lowered by operating the operating lever 14 forward and backward. On the contrary, in the state where the selection switch 30 is moved forward and set to traveling, the front and rear operations of the operation levers 13 and 14 cause
The left and right traveling devices can be driven forward and backward, respectively. Further, in the operation of the operation levers 13 and 14 in the left-right direction, since the operation signal is not output from the transmitter only by moving the levers, the revolving structure 3 is not revolved and the bucket 6 is not opened or closed. Operation lever 15 provided in the front center
Is used for operating the additional attachment when there is an additional attachment such as the slide arm 5 or the telescopic clamshell shown in FIG.

As shown in FIG. 2, on the upper surface of the operation panel body 12, in addition to the operation lever, an engine rotation changeover switch 16 for changing over the engine rotation to high / medium / low / idle operation. An emergency stop switch 17 for making an emergency stop of the valve, a power supply and frequency selection switch 18 to be used, a remote operation switch 19 that is turned on when remotely operated by the operation panel are provided, and the power on / off of the operation panel is displayed. Power pilot lamp 20,
An operation pilot lamp 21 for displaying whether or not the vehicle is in a remote operation, a transmission antenna 22, a connector 23 for cable connection when performing remote operation by wire, and a cap 24 for protecting the connector 23 are provided.

25A and 25B are the shoulder belts 10
A bracket for mounting the
A and 25B are L-shaped metal plates or resin plates having a belt insertion hole 25a. Further, 26A and 26B are manual placing stands made of a metal plate or a resin plate added according to the present invention.
The brackets 25A and 25B, and the manual placing table 26A and 2
As shown in FIG. 1B, 6B includes mounting holes 25b, 26 in bolts 27 provided so as to project on both side surfaces of the operation panel body 12.
They are attached through b respectively and are tightened together by tightening the nut 28 and fixed to the operation panel body 12. As shown in the side view of FIG. 4 (the manual placing table 26A is symmetrical with the manual placing table 26B and is not shown), the mounting holes 26b are formed in vertical holes. Therefore, it is possible to adjust the vertical fixing positions of the hand placement tables 26A and 26B to the operation panel body 12 according to the size of the hand of the driver 8. Belt insertion holes 25c and 26a are formed in the brackets 25A and 25B and the table 26A and 26B, and a waist belt 29 for preventing the operation panel 11 from shaking is inserted into the belt insertion holes 25c and 26a. It is configured to be installed intricately.

As shown in the operation state diagram of FIG. 5, the operation panel 1
1 is a belt insertion hole 25 of the brackets 25A and 25B
It is suspended from the shoulders of the driver 8 by the shoulder belt 10 attached to a, and is fastened to the body of the driver 8 by tightening the waist belt 29 attached to the belt insertion holes 26a of the hand placement tables 26A and 26B. When performing excavation work, the vertical positions of the hand placement tables 26A and 26B are adjusted in advance so that the finger positions match the height of the lever, and the left and right hand placement tables 26A and 26B are placed on the left and right hands. In the mounted state, the operating levers 13 and 14 are respectively operated with fingers with respect to the front, rear, left and right to operate the front attachments, the turning device and the traveling body.

As described above, since the hand placing bases 26A and 26B are provided on the left and right side surfaces of the operation panel 11, the hands are placed on the hand placing bases 26A and 26B when operating the operation levers 13 and 14.
The hand is prevented from wobbling up and down during lever operation. Therefore, the operability is remarkably improved, and the fatigue of the arms and shoulders when the operation is continued for a long time is reduced. Further, in the present embodiment, the manual table 26A,
Since the height of 26B can be adjusted, the height of the hand placement tables 26A and 26B can be adjusted to a suitable height according to the size of the hand of the driver 8.

[0014]

According to the first aspect of the present invention, since the hand placing table is provided on the left and right side surfaces of the operation panel body, the hand is supported by the hand placing table, whereby the hand can wander up and down during operation of each operation lever. In addition, the operation with the fingers of the lever becomes much easier, and the fatigue of the arm and shoulder when the operation is continued for a long time is reduced.

According to the second aspect of the present invention, since the hand placing table is attached so that the vertical position can be adjusted, the height of the hand placing table can be adjusted to an optimum height according to the size of the driver's hand.

[Brief description of drawings]

FIG. 1 (A) is a perspective view showing an embodiment of a shoulder type operation panel for construction machinery according to the present invention, and FIG. 1 (B) is an exploded perspective view showing a mounting structure of a manual placing table of the operation panel.

FIG. 2 is a plan view of an operation panel of the embodiment.

FIG. 3 is a rear view of the operation panel of the embodiment.

FIG. 4 is a side view of a manual stand of the operation panel of the embodiment.

FIG. 5 is a diagram showing an operation state of the operation panel of the embodiment.

FIG. 6 is a diagram showing a state in which a deep hole is being excavated using a conventional remote-controlled hydraulic excavator with a slide arm.

[Explanation of symbols]

 10 Shoulder belt 11 Operation panel 12 Operation panel main body 13 to 15 Operation lever 25A, 25B Bracket 26A, 26B Manual stand 29 Waist belt 30 Running / front selection switch

Claims (2)

[Claims] 1. A portable shoulder-mounted operation panel that constitutes a transmitter for transmitting a remote control signal to a receiver mounted on the main body of a construction machine, and an operation lever operated by a finger is attached to an upper surface thereof. A shoulder-mounted operation panel for construction machinery, which is equipped with hand rests on the left and right sides of the operation panel body. 2. The shoulder type operation panel for a construction machine according to claim 1, wherein the hand placement table is attached so as to be adjustable in vertical position.