JPH0367897A - Cargo handling device - Google Patents

Abstract

PURPOSE:To form a cargo handling device in small size so as to easily ensure storage space with no possibility of flawing a cargo or the like by providing constitution such that the intermediate of a cord-shaped unit, whose base end part is fixed to a supporting member, is wound in the order of successively the first and second pulleys with a holding tool of the cargo suspended to a point end part of the cord-shaped unit. CONSTITUTION:The constitution is provided so as to suspend a holding tool 6 of a cargo W in the point end part of a cord-shaped unit 19 through the first and second pulleys 17, 18 not by directly suspending the cargo W by a rod of a suspended telescopic actuator but by mounting the telescopic actuator 15 to a supporting member 16. As a result, possibility of such as hitting the cargo or the like to be flawed by the rod 15a is eliminated, while because a stroke of the telescopic actuator 15 is also required only by half in the past, the total unit of a cargo handling device A' can be formed in small size, and storage space thereof can be easily ensured.

Description

DETAILED DESCRIPTION OF THE INVENTION (First industrial field) The present invention relates to an apparatus that is effective when implemented in a device for loading and unloading cargo onto a truck.

(Prior Art) lr, 2 A cargo handling device that can lift, lower, and move heavy objects with almost no load is generally known as an air balancer.

This cargo handling device A is configured, for example, as in No. 2 and 3. That is, a sliding body 2 is supported on a horizontal rail 1, and an arm 3 is rotatably supported on a vertical shaft 3a on the sliding body 2. Further, a hook 4 is mounted on a mounting shaft 4a at the tip of the arm 3, a telescopic actuator 5 is suspended from the hook 4, and a holder 6 for the cargo W is suspended from the lower end of the rod 5a. There is. Numeral 7 is a pressure source, 8 is a pressure control device, 9 is a directional control valve attached to the handle 6 of the holder 6, and the telescopic actuator 5 is also connected to the piping as shown in FIG.

Therefore, for example, when moving the cargo W from the ground 2/11/l to the P2 position at a height L, the directional control valve 9 is switched to the 3 position shown in Fig. 3, and the telescopic actuator 5 is set in the free state. , handle 6a, and lower the holder 6 to the ground. In this state, the telescopic actuator 5 is almost in the fully extended state (763) as shown by the dashed line in FIG. Therefore, the cargo W is held by the holder 6, the directional control valve 9 is switched to the lower position as shown in FIG. 3, and the pressure control device 8 is adjusted to maintain the cargo W in a slightly raised state. Thereafter, the operator holds the handle 6a and applies a slight lifting force to lift the load W as shown by the solid line in FIG. In this state, the telescopic actuator 5 is almost in a vertically contracted state. Then, slide the sliding body 2 to the left, apply a slight downward force, and place the luggage W at the 1-2 position.

(Problem to be Solved) However, in the cargo handling device A as described above, the rods 5 a, f of the telescopic actuator 5 (there is a possibility that the rods 5 a, f of the telescopic actuator 5 may accidentally come into contact with the cargo W or other peripheral devices, causing damage .

Also, the telescopic actuator's 50 stroke is less than 7'J:
At least the height L is required. If this height L is large, the stroke will also be long, so it is necessary to make the entire device A compact and to secure enough storage space.
Moreover, the seal resistance of the piston and rod 5a has a large influence on the operating force.

(Means for Solving the Problems) The present invention has been made in view of the above-mentioned circumstances, and includes a telescopic actuator connected to a pressure control device, attached to an efficient support member, and a first The first support member is supported horizontally in the form of a pulley.
A second pulley is horizontally supported on the four-plane surface of the pulley, and a cord-like body whose proximal end is fixed to the support member is wound in the order of the first pulley and the second pulley. At the same time, a baggage holder 41::,l is attached to the tip of the string-like body.
It is a cargo handling device that lowers the load.

(Function) The telescopic actuator is installed outside the working area so as not to damage the rod of the telescopic actuator, and the first rake wheel that has been shrunk is operated by moving and retracting the rod. The stroke of the actuator is reduced to half the lifting height of the load, making the entire device more compact, and the influence of the seal resistance of the piston and rod of the telescopic actuator on the operating force is reduced.

Charcoal 5 (Example) The example shown in FIG. 1 will be described below. In this embodiment, the cargo handling device A' is attached to the rear of the truck T to load and unload cargo W, but the present invention is not limited to this embodiment. Components having the same configuration as those in FIG. 2-3 are given the same reference numerals.

Reference numeral 11 denotes the chassis of the truck T, on which a box-shaped loading platform 12 is mounted, and an opening 12a on the rear surface, which can be opened and closed with a door (not shown). The telescopic actuator 15 is installed in the front-rear direction on a support member 16 attached to the upper wall of the loading platform 12.

Further, a first pulley 17 is horizontally supported 17a at the tip of the rod 15a of the telescopic actuator 15, and a second pulley 18 is horizontally supported on the same plane as the first pulley 17 behind the loading platform 12 and on the support member 16. It is pivoted 18a.

Furthermore, the proximal end portion of a string-like body 19 (a wire lobe in the embodiment) is fixed to the middle between the first pulley 17 and the second pulley 1B and the lower part of the support member 16. They are wound around the pulley 18 in this order. And luggage W 66
, 6 The holder 6 is suspended from the tip of the string-like body 19.

Therefore, for example, the cargo W is transferred to the cargo platform 12 by this cargo handling device A'.
When loading cargo into a cargo area, the directional control valve 9 is used to make malt, the telescopic actuator 15 is in a free state, the operator lowers the holder 6 to the ground, and the cargo is secured by the holder 6 as shown by the solid line in Figure 1. do. Then, switch the directional control valve 9,
Furthermore, the pressure control device 8 is adjusted to raise the cargo W slightly above the ground. Thereafter, the operator can raise and lower the load W by holding the handle 6a with a slight force, and can load the load W onto the loading platform 12 as shown by the dashed line in FIG.

Note that when the operator raises and lowers the load W by holding the handle 6a, the first pulley 17 acts as a movable pulley.
The stroke of the telescopic actuator 15 is the same as that of the truck bed 12.
It only takes about half the floor height. Therefore, the influence of the seal resistance of the piston of the telescopic actuator 15 and the rod 15a on the operating force of the operator is reduced.

The above description is an example. For example, the cargo handling device A is installed under the floor of the A7 loading platform 12, and the string-like body 19 is wound around the upper wall 1 of the loading platform 12 using another pulley, so that it can be lowered. You may also do so. In addition to being used on trucks, the cargo handling device A' can also be used by being attached to the ceiling of a warehouse or the like.

(Effect of one shout) As described above, in this invention, the load W is not directly lowered Fi'3 by the rod 5a of the suspended telescopic actuator 5, but the telescopic actuator 15 is
6, and the load W-g 113 is lowered by the string-like body 19 via the first pulley 17 and the second pulley 18, so there is no chance of damaging the rod 15a' and the load. Furthermore, since the stroke of the telescopic actuator 15 is only half that of the conventional one, the entire cargo handling device A' can be downsized and the storage space can be easily secured. The effect on the operating force can also be reduced.

[Brief explanation of drawings]

FIG. 1 is an explanatory diagram of the cargo handling bag ffLt2r) used in the embodiment of the present invention. 2.3 shows the conventional device side, FIG. 2 is an overall explanatory diagram, and FIG. 3 is a piping diagram. A...Cargo handling device, W...Luggage, 6 Holder, 6a.
...Handle, 7...Pressure source, 8...Pressure control device, 9
... Directional switching valve, 15 ... Telescopic actuator, 15
) 1...Rondo, 16...Supporting member, 17...First
Pulley, 17 a...Horizontal axis, 18... Second pulley, 1
8a...Horizontal axis, 19...String-like body.

Claims (1)

[Claims] A telescoping actuator connected to a pressure control device is attached to a support member, a first pulley is horizontally supported on the rod tip of the telescoping actuator, and a second pulley is mounted on the support member on the same plane as the first pulley. horizontal shaft support,
Furthermore, the intermediate part of the string-like body whose base end is fixed to the support member is wound around the first pulley and the second pulley in this order, and a cargo holder is suspended from the tip of the string-like body. It will be done,
Cargo handling equipment.