JPS6241033Y2 - - Google Patents

Description

[Detailed description of the invention] In this invention, a hanging plate is placed on the top of a drum protection plate, and both ends of the hanging plate are welded to a pair of side plates corresponding to both ends of the drum in the axial direction. This invention relates to improvements to penetrating hoists.

A conventional device of this kind will be explained with reference to FIG. In the figure, 1A and 1B are known pairs of pulley side plates, and 2A and 2B are horizontally spaced apart from each other, and both ends of the pulley side plates are supported at the bottom of the corresponding pulley side plates 1A and 1B. A hanging rod is used to suspend the outer frame of a hoist, which will be described later. 3 is placed within the outer frame of the hoist, which will be described later.
A well-known drum 4 on which a wire rope for cargo handling, which will be described later, is wound is suspended from hanging rods 2A and 2B, and is an outer frame of a hoist that surrounds and supports the drum 3, and is attached to both axial ends of the drum 3. A pair of side plates 4A and 4B are arranged correspondingly to support an electric motor (not shown), a reduction gear mechanism (not shown), etc., and a pair of side plates 4A and 4B that cover the drum 3 and have one end and the other end. 4
Drum protection plates 4C and 4 welded to correspond to A and 4B
D, 4E, 4F and are arranged above the drum protection plates 4E, 4F, and both ends thereof are connected to the side plates 4A, 4F.
A pair of hanging plates 4G, 4H which are welded correspondingly to B and through which the hanging rods 2A, 2B penetrate, and a ceiling plate which is arranged on the upper part of the hanging plates 4G, 4H and whose both ends are correspondingly welded to the side plates 4A, 4B. 4J, and a pair of hanging fittings 4K and 4L which are welded at a distance from each other to the inner surface of a vertically arranged drum protection plate 4D and suspend the fixed end of a cargo handling wire rope, which will be described later. It is something that 5 has hanging metal fittings 4K on one end and the other end,
4L is a correspondingly supported shaft; 6 is a cylindrical support member that is loosely fitted onto the shaft 5 and supports the terminal end of a cargo handling wire rope, which will be described later, at the lower end via a terminal fitting 7 fixed to the terminal end; 8 is a cargo handling wire rope; One end of the wire rope is engaged with the drum 3, the other end is suspended by the support member 6, and is wound up and rewound around the drum 3, and also suspends the hook block 9.

In the device constructed in this way, the hook block 9 is moved up and down by the forward and reverse rotation of the drum 3.
Since it moves downward, it is possible to carry out cargo handling work, but since the hanging plates 4G and 4H are simply flat plates, the hanging rod 2
In order to reduce the stress at the contact parts with A and 2B, the plate thickness must be increased, which has the drawback of making it difficult to perform the work of cutting out the plates before welding, resulting in low productivity.

This idea was made in view of the existing circumstances as described above, and was made with the aim of providing a hoist with high productivity by making the outer frame thinner and improving the workability of cutting welded parts. , hereafter, the second
An embodiment of this invention will be described with reference to the drawings and FIG. In the figure, 4M and 4N form horizontal parts 4Ma and 4Na on one side of the upper part of the drum protection plates 4E and 4F, and vertical parts 4Mb and 4Nb following the horizontal parts 4Ma and 4Na are formed at opposite ends of the drum protection plates 4E and 4F. It is a hanging plate made of channel steel, which is arranged so as to correspond to each other, and whose both ends are welded correspondingly to the side plates 4A and 4B.As shown in FIG. 3, the horizontal parts 4Ma,
Hanging rods 2A and 2B placed directly below 4Na penetrate through vertical portions 4Mb and 4Nb. Note that the description of other symbols is the same as the description of FIG. 1 and will be omitted. In addition, Figure 3 shows hanging plates 4M and 4N.
It is a drawing showing the relationship between this and hanging rods 2A and 2B.

In the case configured in this way, the operation is the same as the conventional one, so the explanation will be omitted, but the suspension plate 4
M, 4N are channel steel, and the horizontal portions are 4Ma, 4Na.
Hanging rods 2A, 2B are arranged directly under the hanging rods 2A, 2B.
2B is configured to pass through the vertical parts 4Mb, 4Nb of the hanging plates 4M, 4N, so that the hanging plates 4M, 4N
The thickness of the contact portion between the hanging rods 2A and 2B is larger than that of other parts of the hanging plates 4M and 4N. In addition,
It goes without saying that the suspension plates 4M and 4N are not limited to the channel steel of the above embodiment, but may also be angle-shaped steel or flat plates bent at right angles.

As described above, this invention is a hoist in which a hanging rod passes through a hanging plate that is placed on the top of a drum protection plate and whose ends are welded to a pair of side plates that correspond to both ends of the drum in the axial direction. The pair of hanging plates are arranged so that one side of the upper part forms a horizontal part and the opposite ends form a vertical part continuing to the horizontal part, and the hanging rod is attached to the horizontal part. Since it is arranged directly below and has both ends passing through the vertical part, the contact stress between the hanging plate and the hanging rod can be equalized even if the thickness of the hanging plate is made thinner than before. Therefore, the work of removing the hanging plates and the like is easier than in the past, contributing to improved productivity.

[Brief explanation of the drawing]

Figure 1 is a partially cutaway sectional view of a conventional hoist, Figures 2 and 3 show an embodiment of this invention, Figure 2 is an overall configuration diagram, and Figure 3 is an enlarged view of the main parts. be. In the figure, 2A and 2B are hanging rods, 3 is a drum,
4 is the outer frame, 4A, 4B are the side plates, 4C, 4D, 4
E and 4F are drum protection plates, 4M is a hanging plate, 4Ma is a horizontal part, 4Mb is a vertical part, 4N is a hanging plate, 4Na is a horizontal part, and 4Nb is a vertical part. Note that the same reference numerals in the figures indicate the same or corresponding parts.

Claims (1)

[Scope of utility model registration request] a pair of side plates arranged correspondingly on both sides of the drum in the axial direction; a drum protection plate that covers the drum and has one end and the other end welded to the pair of side plates; an upper part on the top of the drum protection plate; A pair of hanging plates arranged so as to form a horizontal part on one side and a vertical part continuing to the horizontal part at opposite ends thereof, and both ends of which are welded correspondingly to the pair of side plates. , and a hoist that is located directly below the horizontal portion of the hanging plate and horizontally penetrates the vertical portion of the hanging plate.