JPS5875043U - dump truck - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

The drawings show an embodiment, and FIG. 1 is a side view of the loading platform of the device of the present invention, FIG. 2 is an explanatory diagram of the operation, and FIG. 3 is an enlarged cross-sectional view taken along line 2-2 in FIG. 1, showing the loading platform. It is an explanatory cross-sectional enlarged view of the rotating shaft of the support arm, the single pulley, its protection plate, operating wire pipe, etc., showing a state where it is installed in the constituent part of the frame. Fig. 4A is an explanatory diagram showing how the operating wires are arranged on the back of the cargo platform chassis, and Fig. 4B is an explanatory diagram showing the state in which the wires are arranged on the back of the cargo platform chassis and then arranged on the vehicle body chassis. FIG. 2 is a schematic perspective view illustrating a vehicle body chassis separated and related to each other. FIG. 5A is an explanatory diagram of one embodiment of the actuation wire disposed on the back side of the carrier chassis. Furthermore, Fig. 5B is a partially explanatory side view showing the arrangement of operating wires from the cargo platform chassis to the vehicle body chassis, and Fig. 6A is an opener showing a locking device for opening and closing the rear door, which has been commonly used in the past. B is a schematic side view at the time when the locking device for opening and closing the rear door according to the present invention is opened; #lθ ('/ ,,'- Itcho L

Claims (1)

[Scope of utility model registration request] Support arm 2 rotatably pivoted to the upper edge of the dump bed
The rear door 1 is pivotally attached to the tip of the
In a dump truck that has a rear door opening/closing device arranged in the vehicle body chassis 17, the operating wire 14 is installed from the rear of the platform frame 6 to the lower part of the platform chassis 15. The internal longitudinal beams 15', 15' are arranged approximately in parallel to an appropriate position in the front direction, and from this position, the target position is approximately at both ends of the cross beam 24 of the vehicle chassis 17 or close to both longitudinal beams 17'. A dump truck characterized in that the hook 26 of the rear door opening/closing lock device is configured such that the lock is opened by rotating downward and locked (closed) by rotating upward.