JPH0643103Y2 - Opening and closing device for earth and sand bucket - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a bucket for earth and sand used for carrying out or carrying in earth and sand from a construction site such as civil engineering or construction, and in particular, a bottom lid provided at the bottom of the bucket. Switchgear.

(Prior Art) Conventional earth and sand buckets used for carrying out earth and sand in civil engineering or construction work include a rollover type and a bottom lid opening and closing type. Among these, the bottom lid opening / closing type is one in which the bucket is placed on the pedestal and the wire hanging the bottom lid is lowered and loosened to open the lid. However, this method has a problem that it requires a cradle, it takes a lot of time to put it on the cradle, and the discharging position of the soil becomes constant, so that it cannot be opened in the air. Therefore, the bottom lid and the bucket are separately suspended with two wires. The method of opening the bottom lid even in the air by loosening the wire that suspends the bottom lid has been conventionally practiced, but this method uses a special crane. In addition to the above, two cranes have to be operated, which makes the crane operation difficult and requires skill.

In addition, the suspension opening / closing type (Actual No. Sho 58-30603) is a bucket that lifts the wire hanging the bottom lid with a crane to raise and lower the bucket, bottoms the bucket and loosens the bottom lid wire. When the hanging wire is hung on the hook and hung at the same time, the bottom lid opens and the earth and sand are discharged. However, this device requires the bucket to be set down once. It is complicated because it takes more time to hang the wire on the hook, and there is a problem that the bottom lid cannot be opened and closed by placing the bucket again at the place where the earth and sand have been discharged.

It is also known that the whole bucket is hung by a crane and the bottom lid hanging wire is operated by a hoisting device to open and close the bottom lid, as seen in Japanese Utility Model Publication No. 46-196 and Japanese Patent Publication No. 26056. However, since the load applied to the bottom lid is applied to the hoisting device as a load, it requires a large amount of power, and also has the problem that it is likely to cause problems such as adversely affecting the hydraulic system. It was

(Problems to be solved by the invention) An object of the present invention is to apply to a hoisting device without opening a pedestal, opening and closing a bottom lid while suspending a bucket body, and applying no load to a hoisting wire. An object of the present invention is to provide an earth and sand bucket opening / closing device that can eliminate load and can perform work efficiently and safely with a small load, and that has a simple structure and is advantageous in terms of cost.

(Means for Solving the Problem) In order to achieve the object, the earth and sand bucket opening and closing device according to the present invention comprises a bucket main body provided with a bottom lid which opens and closes downward from the horizontal centering on a pivot as a fulcrum. In the earth and sand bucket opening and closing device that is hung by the wire for hanging and the hanging wire for opening and closing the bottom lid, the wire 6 for hoisting the bucket is attached to the hanging metal fitting 2.
The hoisting device 4 provided in the above is suspended vertically so that the hanging metal fitting 2 and the bottom lid 3.3 are connected by a wire 5.5 having a certain length, and the load when the bottom lid is closed is the above-mentioned wire 5.5 having a certain length.
It is configured to be supported by.

(Operation) The bucket body 1 is hung on the hanging metal fitting 2 by the hanging wire 5 for opening and closing the bottom lid, which is fixed to a certain length, and the bottom lid 3 at the bottom has the above-mentioned constant length of the wire 5.5 for the load when the bottom lid is closed. It is supported and level, closing the bottom of the bucket. At this time, the bucket winding wire 6 is in a loose state. Therefore, since no load is applied to the hoisting device 4, no load is generated.

When the bottom cover 3 of the bucket body 1 is opened to discharge the earth and sand, the hoisting device 4 provided on the hanging fitting 2 is operated to wind up the bucket hoisting wire 6. Then, the bucket body 1 is pulled upward with respect to the hanging fitting 2. Since the bottom cover opening / closing suspension wire 5 suspending the bottom lid 3 has a fixed length, when the bucket body 1 is pulled up, the amount suspension wire 5 is loosened and the bottom lid 3 opens naturally.

(Effect of the Invention) As described above, the present invention suspends the bucket hoisting wire 5 on the hoisting device 4 provided in the hoisting metal fitting 2 so that the wire can be lifted up and down, and the hoisting metal fitting 2 and the bottom lid 3.3 are also provided. Fixed length wire 5.5
, And the load when the bottom lid is closed
Because it is configured to support 5.5, you can open and close the bottom lid while hanging the bucket body without needing a cradle, and when the bottom lid is closed and the sand is stored in the bucket body, the hanging metal fittings and the bottom The entire load is supported by a wire of a fixed length connecting between the lids, and since the bucket hoisting wire 6 is loose, the hoisting device does not receive a load including earth and sand. Therefore, in this state, the bucket body can be hung and moved by the crane, so that the load on the hoisting device can be completely eliminated, the driving force can be small, and the work can be performed safely and efficiently. In addition, it has a simple structure, is highly practical and economical, and is advantageous in terms of cost.

(Embodiment) The bucket body 1 is a rectangular box scale, and the bottom lid 3 at the bottom is provided for two sheets so as to be opened left and right, and each of them is inclined downward from a horizontal state about a pivot 10 provided with a bracket 9 as a fulcrum. Make it open and close.

The hanging fitting 2 is provided with a locking pin 13 at the center of the upper part so that the hanging fitting 2 can be hung on a hook 12 of a crane 11 or the like and freely moved. The hoisting device 4 is provided on the suspension metal fitting 2. As shown in FIG. 2, the power cylinder 4a for hydraulic pressure or the like is provided with the piston rod 4b in a telescopic manner, and the bucket hoisting wire 6 is tied to the end of the piston rod. The other end of the bucket winding wire 6 is directly connected to the bucket body 1. The hoisting wires 6 are provided as a set of two wires on the left and right sides of the bucket body 1. Each of the hoisting wires 6 is commonly attached to the end of one piston rod 4b through the sheave 14.15.

The hoisting device 4 may employ a winch, a rack system, a cam system, or the like, in addition to the cylinder system.

The bottom lid 3 at the bottom of the bucket can be opened singly instead of being opened.

FIG. 1 shows an apparatus in which a hopper 20 is provided on a frame 21 and earth and sand are stored from above the hopper using the earth and sand bucket of the present invention.

In the figure, the bucket body 1 is hung by a hook 12 on a crane 11 that can move up and down and horizontally, and when the bottom lid 3 is opened on the hopper 20, earth and sand are thrown into the hopper and stored. When carrying out the earth and sand in the hopper, the bottom door of the hopper 20 is opened to discharge the earth and sand, and the necessary amount is taken out and loaded into a truck or the like which is immediately below.

[Brief description of drawings]

1 is a front view when the present invention is applied to a hopper equipment, FIG. 2 is an enlarged side view of the earth and sand bucket of the present invention, and FIG.
The figures are front views thereof, and FIGS. 4 and 5 are longitudinal sectional views showing the former with the bottom lid open and the latter with the bottom lid closed. 1 …… Bucket body 2 …… Hanging metal fitting 3 …… Bottom lid 4 …… Hoisting device 5 …… Hanging wire for opening / closing bottom lid 6 …… Bucket hoisting wire

Claims (1)

[Scope of utility model registration request] 1. A earth and sand bucket opening and closing device comprising a bucket main body having a bottom lid which opens and closes downward from the horizontal with a pivot as a fulcrum, suspended from a bucket hoisting wire and a bottom lid opening and closing suspension wire. , A bucket hoisting wire 6 is hung so as to be able to move up and down on a hoisting device 4 provided in a hanging metal fitting 2, and the hanging metal fitting 2 and the bottom lid 3.3 are connected by a wire 5.5 of a certain length to form a bottom lid. The fixed length wire for closing load 5.
A device for opening and closing a soil bucket, which is configured to be supported by 5.