JPS63170143A - Container locking system - Google Patents

Abstract

PURPOSE:To improve the safety of the system in the caption, by preventing a loading apparatus from lifting by means of a lock lever hook engaged with a vehicle frame, while not laden with a container, and preventing the container from lifting by the hook engaged with the container, while laden with the container. CONSTITUTION:A container loading truck is loading and unloading a container 10 on the frame 2 of a truck 1, by operating the hydraulic cylinder 8 of a loading apparatus 3 that includes a rear frame 4, an intermediate frame 5, and a front frame 6. In this case, the base 13 of a locking system 12 is allowed to project toward the side of the front end part of rear frame 4, and hook member 14 is provided so as to project on the top face of the base 13. Further, a pair of brackets 15 are provided so as to project on the rear end face of the base 13. Respective brackets 15, a circularly moving arm 16, and a lock lever 21 and held in circular movement by means of a shaft 17 so as to be energized clockwise by means of springs 20, 24. Then, respective lock pins 25, 26 on the truck and container sides are allowed to be fixed by the locklever 21 and a hook member 14.

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a container locking system for fixing the position of various types of containers loaded on a truck or trailer. There are various types of trucks or trailers for loading containers, but there are many types of interchangeable container loading trucks such as those shown in FIGS. 5 to 8. In this model of truck 1, truck 1
The rear end of the rear frame 4 of the loading device 3, which is divided into three parts in the longitudinal direction of the frame 2, is rotatably connected to the rear end of the frame 2, and the front end of the ridge frame 4 of the loading device 3 is connected to the intermediate frame. 5, and the front end of the intermediate frame 5 is rotatably connected to the rear end of the front frame 6, which has an L-shaped side surface. A hydraulic cylinder 7 is interposed between the horizontal part 6a of the front frame 6, and two hydraulic cylinders 8 are arranged in parallel between the front end of the frame 2 of the truck 1 and the rear end of the intermediate frame 5. ◎The upper end of the front frame 6 has 7 holes 9
is formed above the front end surface of the container 10 and is used as a locking part when the container 10 is attached to and detached from the truck 1 by being hooked to the locking member 11.
In order to load the container 10't, K is first moved by the hydraulic cylinder 7 to the front frame 6t, as shown in FIG.
- The front end of the intermediate frame 5 is rotated, and then the intermediate frame 5'fr is rotated around the front end of the rear frame 4 by the hydraulic cylinder 8, and the seven hooks 9 provided at the upper end of the front seven frames 6 are rotated. First, as shown in FIG. 6, the front end of the exchange platform 10 is placed on the rear end of the rear frame 4 with the hydraulic cylinder 8 set to the de-energized side, and then the hydraulic cylinder 8 is placed on the rear end of the rear frame 4. Place the container 10 on the intermediate frame 5 and rear frame 4 with 8 on the de-energized side (7th
figure).

Thereafter, the container 10 is pulled to the horizontal part 6alC of the front frame 6 with the hydraulic cylinder 7 in the de-energized side, and the loading onto the frame 2 of the truck 1 is completed (Fig. 8). In the above conventional replaceable container loading truck, the container 10 loaded on the frame 2 of the truck 1 is supported only by its own weight and the hook 9 provided at the tip of the front frame 6. In view of the above, an object of the present invention is to lock the bottom of the container 10 to the rear frame 4 side when loading the container. The present invention provides a container locking system which solves the above-mentioned problems by providing an actuated locking member to prevent the container 10 from floating up or falling during truck travel.

(Ninth Means for Solving the Problems) In order to solve the above-mentioned problems, the present invention provides a pin extending substantially horizontally on the frame of the truck in order to configure the locking system for the antenna. At the same time, a pin extending in a substantially horizontal direction is provided at the bottom of the container, a hook member that engages with the pin at the bottom of the container projects upward from the side of the rear frame, and the hook member is placed below the hook member. A rotary arm is provided which is pivoted so as to be able to approach and separate from the lower part of the rotary arm towards the hook member, and further a hook is formed at one end on the side of the rotary arm to engage with a pin provided on the frame side of the truck. The hook is mounted on the frame side of the truck, and a lock lever is provided which is pivotally supported so as to be able to approach and separate from the nine pins, and the end of the rotating arm on the hook member side is biased by a spring in a direction closer to the hook member. In addition, the hook-forming side end of the lock lever is biased by a spring in a direction approaching a pin provided on the frame of the truck. When the container is not placed on the truck, the pin provided at the bottom of the container engages with the hook member to prevent the container from floating and falling, and when the container is not placed on the truck, the lock lever is engaged. The formed hook engages with a pin provided on the frame of the truck to prevent the loading device from lifting or shaking, and the end of the lock lever opposite to the hook forming side is held in place by the bottom of the container. By pressing it to the opposite side and rotating it against the biasing force of the spring, it is released from the pin provided on the frame of the truck, and dumping by the loading device becomes possible.

(Embodiment) An embodiment of the present invention will be described below with reference to FIGS. 1 to 4. As shown in FIGS. 1 and 2, the locking system 12d of the container 10, the front end of the rear frame 4 The base 13 of the locking system 120 is protruded from the side, and a hook member 14 is provided on the upper surface of the base 13 and is bent backward from above in a hook shape.The hook member 14 is provided near the lower end of the hook member 14. Bracket 1st, which is made of two plates arranged symmetrically in the center, is provided protruding from the rear end surface of the base 13, and a rotating arm 16 is arranged at the intermediate position of each bracket 15, The rotating arm 16 is rotatably supported by a shaft 17 at the end, and the rear 7 of the rotating arm 16 is
A pin 18 is installed on the side surface of the frame side at a position below the shaft 17, and a tensile coil is installed between the pin 18 and a pin 19 installed on the side surface of the rear frame side of the bracket 15 at a position below the shaft 17. A spring 20 is interposed to bias the hook member side end surface of the rotating arm 16 in the upward direction. Rotating arm 16
A lock lever 21 is disposed outside the bracket 15 at a position opposite to the side where the tension coil spring 20 is disposed, and the center portion of the lock lever 21 is rotatably supported by a shaft 17. A pin 22 is installed at a position rearward and below the shaft 17, and a tension coil spring 24 is interposed between the pin 22 and a plate piece 23 provided at the lower part of the rear end surface of the base 13. A spring biases the rear end of the lock lever in a direction to rotate it downward.

At the position of frame 2 of the track 1 corresponding to the location where the locking system 12 is arranged, a track side lock pin 25 is provided protruding approximately horizontally from the side surface of the frame 2. By configuring the locking system 12 of the container 10 in this way, the container side lock pin 26 is provided on the side surface of the bottom frame 10a in the bottom of the corresponding container 10 in a substantially horizontal direction. In order to place the container 10 on the frame 2 of the truck 1 and then move the container 10 forward in parallel on the frame 2, the lower end surface of the rotating arm 16 is pushed up to the upper surface of the frame 2. is oriented in the horizontal direction along the top surface of the frame 2, the top end surface of the lock lever 21 is pushed down by the bottom surface of the container 10 and oriented in the horizontal direction e, and the container side lock pin 26 protruding from the bottom frame 10a of the container 10 is hooked. The member 14 enters the locking position.

As a result, the frame 2 of the truck 1 and the container are reliably supported by the engagement of the hook member 14 and the container-side lock pin 20, and the container 10 remains floating while traveling.
When dumping the cargo in the container 10, as shown in FIGS. 3 and 4, the hydraulic cylinder 8 is actuated on the urging side, and the front frame of the loading device 3 is 6% When the intermediate frame 5 and the rear frame 4 are rotated together in a direction that raises the front end side with the rear end as the center of rotation, the rear frame 4 separates from the frame 2 of the truck 1 and rotates. The rear end side of the arm 16 is lowered by the spring biasing force of the tension coil spring 20, and the front end side is attached to the lower end surface 14a of the hook member 14.
The container side lock pin 26 contacts the hook member 14.
When the container 10 is not placed on the frame 2 of the truck 1, the rotating arm 16 is rotated by the spring biasing force of the tension coil splinter 20 to prevent the container 10 from sliding laterally. When the lock lever 21 is in a position with the front end raised upward and the rear end lowered downward, the lock lever 21 is raised by the spring biasing force of the tension coil spring 24), and the front end is raised upward and the rear end is lowered downward. the hook portion is engaged with the truck-side lock pin 25. This prevents the rear frame 4 from lifting up or shaking when traveling in an empty state.In this way, in this embodiment, the bottom of the container and the truck Q frame are engaged by the rotating arm and the lock lever,
It is possible to prevent mutual floating or shaking during traveling, and damage to the container and the loading device 3 can be prevented, thereby preventing accidents such as containers falling, reducing transportation risks, Improve transportation efficiency.

(Effects of the Invention) As described above, the present invention provides a locking system for a container by providing a pin extending in a substantially horizontal direction on the frame of a truck, and also providing a pin extending in a substantially horizontal direction in the bottom of the container, which engages with the pin at the bottom of the container. A matching hook member is made to protrude upward from the side of the rear frame from the rear frame.

A rotating arm is provided below the hook member and pivoted so as to be able to approach and separate from the lower part of the hook member toward the hook member, and a hook that engages with a pin provided on the frame side of the truck is provided on the side of the rotating arm at one end. A lock lever is provided in which the hook is pivotally supported so as to be able to approach and separate from a pin provided on the frame side of the truck, and the hook member side end of the rotating arm is biased by a spring in a direction approaching the hook member. In addition, the hook-forming end of the lock lever is biased by a spring in the direction of approaching the pin provided on the frame of the truck, so that when no container is loaded, the hook of the lock lever is attached to the frame of the truck. Is the area where the loading device floats when it engages with the pin rattling? When a container is loaded, a pin provided at the bottom of the container engages with the hook member to prevent the container from floating or falling, and when dumping, the pin secured to the hook member is rotated. The end of the movable arm holds down and prevents the pin from coming off, thereby preventing the container from shifting laterally. This reduces the risk of container transportation and improves transportation efficiency.

[Brief explanation of the drawing]

FIG. 1 is an explanatory side view showing a locking system according to the present invention, and FIG. 2 is an explanatory plan view showing a locking system according to the present invention. FIG. 3 is an explanatory side view showing the state of the rocking system according to the present invention during dumping, FIG. 4 is an explanatory side view showing the state of the truck equipped with the locking system according to the present invention during dumping, and FIG. FIG. 7 is a side view showing a state in which the hook at the tip of the front frame is engaged with the locking member of the container. Fig. 6 is a side view showing a state in which the front end of a container in a conventional truck is lifted and placed on the frame; Fig. 7 is a side view showing a state in which the container in a conventional truck is placed on the frame; Fig. 8 0 is a side view showing a state in which a conventional truck has been loaded with containers 1...Truck 2...Frame 10...
Container 10a... (container) bottom 7L/-A12...
Locking system 14... Hook member 15... Bracket 16.
... Rotating arm 17 ... Axis 1819 ... Pin 20 ... Tension coil spring 21 ... Lock lever 22 ... Pin 23 ... Plate piece 24 ... Tension coil spring 25 ... Truck side lock bin 26...Container side lock bin Fig. 1 Fig. 2 Fig. 3 Fig. 4

Claims (1)

[Claims] (1) A pin extending substantially horizontally is provided on the frame of the truck, a pin extending substantially horizontally is provided at the bottom of the container, and a hook member that engages with the pin provided at the bottom of the container is inserted from the side of the rear frame. A rotating arm is provided below the hook member, protruding upward from the rear frame, and pivoted so as to be able to move toward and away from the lower part of the hook member, and the track is disposed on the side of the rotating arm. A lock lever is provided at one end of which is formed a hook that engages with a pin provided on the frame side of the truck, and the lock lever is pivotally supported so as to be able to move toward and away from the pin provided on the frame side of the truck, and the hook of the rotating arm is provided with a lock lever. A member side end portion is biased by a spring in a direction close to the hook member, and a hook forming side end portion of the lock lever is biased by a spring in a direction close to a pin provided on the frame of the truck. Container locking system.