JPH0137004Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a radio-controlled/boarding switching lever device that is installed in a radio-controlled excavation loading machine and switches between radio-controlled operation and manual operation.

Conventionally, a switch was attached to the top of the engine control lever, and when the switch was pressed, a radio control command was issued, and when the switch was pressed, a boarding command was issued.

In this case, when using radio control, the engine control lever cannot be locked at a certain fixed position (for example, idle), so the position of the engine control volume on the operation panel and the throttle lever on the engine side cannot correspond, and the engine control lever on the radio control I was losing control.

The present invention was developed in view of the above circumstances, and its purpose is to allow the engine control lever to be used as a switching lever for radio-controlled boarding, so that when boarding the engine can be controlled as before, and the radio-controlled It is an object of the present invention to provide a radio-controlled/boarding switching lever device which allows the throttle lever to be locked at a certain fixed position (for example, the idle position) and enables radio-controlled control.

Hereinafter, the present invention will be explained with reference to the drawings. In the drawing, A is an engine control lever, and a lever body 1 of this engine control lever A is composed of an upper lever part 2 and a lower lever part 3. The lower lever part 3 is fixed to the boss part 4, and the lower end part 6 of the upper lever part 2 is connected to the yoke part 5 at the upper end of the lower lever part 3 by means of a pin 7.
are connected so as to be bendable in a direction perpendicular to the operating direction XX.

A mounting bracket 8 is fixed to the upper lever portion 2, and a limit switch 9 is mounted to the mounting bracket 8. Further, a plate 11 which is an engaging body D is connected to the upper lever part 2 via a support member 10.
is installed.

A locking member 12 is fixed to the lower lever portion 3, and a spring 13 is stretched between the locking member 12 and the mounting bracket 8. The spring 13 attracts the upper lever part 2 in a direction perpendicular to the direction in which the upper lever part 2 is bent.

An insertion hole 40 is formed in the upper lever part 2 from the upper end to the lower part, and a long hole 41 is formed in the upper lever part 2 from the upper end to the lower part. The lower part of a lever rod 42 is inserted into the insertion hole 40 so that it can move up and down, and the plate 1 is inserted into the lever rod 42.
1 is fixedly installed, and the plate 11 is connected to the elongated hole 41.
It protrudes more outward. An engagement hole 44 is provided in the plate 11 . A cap 45 is screwed onto the upper end of the upper lever portion 2, and a spring 46 is provided within the insertion hole 40.

Reference numeral 14 in the drawings designates a panel, and a notch 15 is formed at the edge of the panel 14 at a portion facing the idle position of the engine control lever A. A mounting body 16 is fixed to the lower surface of the panel 14, a support body 17 is attached to this mounting body 16, and an adjustment bolt 18, which is a pressing body E, is screwed onto this support body 17. , the support body 17 is provided with an engaging portion 36 such as a protruding boss.

The limit switch 9 issues a radio control command when turned on.

An arm 19 is attached to the boss portion 4 of the engine control lever A, and this arm 19 is connected to a pin 2 at the end of the lever 21 via a front rod 20.
They are connected by 1a. The base end of this lever 21 is connected to a bracket 23 of a vehicle body frame 22 with a pin 24.

Reference numeral 25 in the drawing designates an electric servo motor, and a rod 26 of the electric servo motor 25 is connected to the upper end of a lever 27 with a pin 28, and the intermediate portion of this lever 27 is connected to the intermediate portion of the lever 21 via a link 29. are connected. The lower end of the lever 27 is connected to a throttle lever 32 of an engine 31 via a rear rod 30.

In the drawing, numeral 33 is a lever lock mechanism for fixing the front rod, and numeral 34 is a motor lock mechanism for fixing the rod 26 of the electric servo motor 25.

However, during boarding operation, the motor lock mechanism 3
4, the motor is locked, and the engine control lever A is manually operated in the XX direction to operate the throttle lever 32 (see FIG. 6).

During radio control operation, the upper lever part 2 of the engine control lever A is pushed down against the spring 13 toward the panel 14, and the upper lever part 2 is inserted into the notch 1.
5, and insert the engaging portion 36 such as a protruding boss of the mounting body 16 of the panel 14 into the engaging hole 44 of the plate 11.
Insert. At the same time, adjust bolt 18
Limit switch 9 turns ON and issues a radio control command.

For this purpose, the lever lock mechanism 33 locks the lever and releases the motor lock.

As detailed above, the present invention connects the engine control lever A to the lower lever part 3 fixed to the boss part 4 so that the upper lever part 2 can be bent in a direction perpendicular to the operating direction XX. Panel 1
4 is provided with a notch 15 into which the upper lever part 2 is inserted when bent, a limit switch 9 is provided in the upper lever part 2 that issues a radio control command when turned on, and the panel 14 is provided with a notch 15 into which the upper lever part 2 is inserted. 1
This radio control/boarding switching lever device is characterized in that it is provided with an engaging portion 36 that removably engages with a pressing body E that turns on a limit switch 9 when the device is inserted into the vehicle.

Therefore, the engine control lever A can be used as a switching lever between radio control and boarding, and the engine can be controlled as before when riding, and the throttle lever can be locked at a certain position (for example, the idle position) when using radio control. This allows for radio control.

[Brief explanation of drawings]

Fig. 1 is a side view of one embodiment of the present invention, Fig. 2 is a plan view of the same, Fig. 3 is a view taken from the direction of Fig. 2, Fig. 4 is a view taken from the direction of Fig. 1, and Fig. 4 is a view taken from the direction of Fig. 1; Figure 5, 6th
The figure is an explanatory diagram of the operating principle, FIG. 7 is a detailed view of the upper lever portion, and FIG. 8 is a longitudinal sectional view of the same. 2 is an upper lever, 3 is a lower lever, 9 is a limit switch, and 15 is a notch.

Claims (1)

[Scope of utility model registration request] The engine control lever A is configured by connecting the upper lever part 2 to the lower lever part 3 fixed to the boss part 4 so as to be bendable in a direction perpendicular to the operating direction XX, and the upper lever part is attached to the panel 14. 2 is provided with a notch 15 that is inserted when the upper lever 2 is bent, a limit switch 9 that issues a radio control command when turned on is provided on the upper lever 2, and the panel 14 is provided with a limit switch 9 that issues a radio control command when the upper lever 2 is inserted into the notch 15. A radio control device characterized by being provided with an engaging portion 36 that removably engages with the pressing body E that turns on the limit switch 9.
Boarding switching lever device.