KR200295669Y1 - A crane hook device for tilting ladle - Google Patents

Abstract

The present invention relates to a hook hook device of a ladle tilting crane, in particular, the support bracket (2) is fixed to the lower portion of the hook sheave block (19), the support bracket (2) The upper end of the winding hook (20-1) is coupled to rotate about the center pin (3), the weight base (5) at the upper end of the winding hook (20-1) and the winding hook (20-1) and a certain angle ( Attached to form θ2), the weight 1 is fitted to the fastening pin (4) of the weight base (5) relates to a bobbin hook device for a chartered ladle tilt crane.

Description

Security hook device of molten iron ladle tilt crane {A CRANE HOOK DEVICE FOR TILTING LADLE}

The present invention relates to a hook hook device of a ladle tilting crane, and in particular, by adjusting the angle of the bow hook using a weight, the hook hook pin of the charging ladle and the hook hook ring of the carrier ladle The present invention relates to a hook hook device for a ladle tilt crane that can be easily mounted and removed.

In general, in the process of charging the molten iron in the converter of the steelmaking plant, as shown in Figures 1 and 2, the molten iron (molten iron) produced (outgoing) in the blast furnace is transported to the steel mill by locomotive in the ladle 30, which is a transportation container. After that, the ladle is lifted by the sovereign hook 10 of the chartered transport crane, and then poured into the ladle 40 for charging in an appropriate capacity in a state seated on a basis weight table, and then to the sovereign hook 10 of the chartered transport crane. After lifting the charging ladle 40 to move to the converter, the work to charge the molten iron in the charging ladle to the converter.

At this time, when the molten iron is charged from the transfer ladle 30 to the charging ladle 40, the charging ladle 40 to the converter, the hook hook ring 14 for ladle tilting 14 or While holding the hook hook pin 14-1, the sovereignty hook 10 is lowered, and the hook hook 20 is raised to lift the ladle 30 and 40 to discharge the molten iron.

However, the sovereign hook 10 is formed in a structure capable of rotating the hook hook pin while the hook hook pin (11, 11-1) is easy to hang or peel off, the hook hook 20 is a hook hook pin (14-1) There is a problem in that the driver's field of view is blocked by the hook-up block 19 when hanging or peeling off, so that the working state cannot be confirmed.

In particular, when the hook hook ring 14 is attached to the lower inner side of the carrying ladle 30, the hook sheave block 19 is connected to the frame 12, 12- when the hook hook 20 is to be hooked on the hook hook ring. Inevitably collides with 1) in structure, causing deformation and breakage.

In addition, when the hook hook ring 14 sags to the lower side due to its own weight, and the hook hook ring 20 is to be hooked, the hook sheave block 19 is held in a state where the worker fixes the hook hook ring 14 in a horizontal state. Dangerous and cumbersome work should be done such as push hook hook.

The present invention is to adjust the angle of the bobbin hook by using the weight of the hook hook pin of the charging ladle and the hook hook ring of the carrying ladle from the hook hook ring of the ladle ladle ladle (easy) The purpose is to provide a hook) device.

Figure 1 is a side view showing the tilting operation of the transport ladle by the winding hook device of the conventional chartered ladle tilting crane;

Figure 2 is a side view showing the tilting operation of the charging ladle by the winding hook device of the conventional chartered ladle tilting crane;

Figure 3 is a side view showing the bobbin hook device of the molten iron ladle tilt crane according to the present invention,

Figure 4 is a state diagram showing the operating state of the bobbin hook device of the molten iron ladle tilt crane according to the present invention.

<Explanation of symbols for main parts of drawing>

Reference Signs List 10: Sovereign Hook 13: Hook Sheave Block 14: Hook Hook Ring 14-1: Hook Hook Pin 20,20-1: Security Hook 30: Carrying Ladle 40: Charging Ladle

In order to achieve the above object, the present invention is a support bracket is fixed to the lower portion of the hook sheave block, coupled to the support bracket so that the upper end of the bow hook around the center pin, the weight base on the upper end of the bow hook Attached to form a winding hook and a predetermined angle (θ2), and provides a winding hook device for a chartered ladle tilt crane characterized in that the weight is fitted to the fastening pin of the weight base.

The configuration of the present invention will be described with reference to the drawings.

Figure 3 is a side view showing the bobbin hook device of the chartered ladle tilt crane according to the present invention, Figure 4 is a state diagram showing the operating state of the bobbin hook device of the chartered ladle tilt crane according to the present invention.

First, in the present invention, the weight base 5 at the upper end of the bobbin hook 20-1 is designed and manufactured so as to form an angle of 45 ° between the bobbin hook, where θ2 is determined in consideration of the value of θ1. All.

In addition, a support bracket 2 is attached to the center of the lower side of the hook sheve block 19, and a weight base 5 and a winding hook 20-1 are provided below the support bracket 2. Is joined to rotate about the center pin (3).

At this time, two fastening pins 4 are fixed to the weight base 5 so as to be spaced apart from each other at the lower end thereof, and the fastening pins 4 are made of sufficient length so that a plurality of weights 1 can be fitted. .

Here, when the weight 1 is not attached to the fastening pin 4 of the weight base 5, the security hook 20-1 is placed vertically by its own weight, but each weight is fastened to the fastening pin 4. Whenever (1) is attached, the weight of the weight is designed and manufactured so that the bobbin hook 20-1 may move up by about 5 degrees by the weight of the weight.

Therefore, when nine weights 1 are fitted to the fastening pins 4, the weight base 5 is placed in a vertical state by the weight of the weight, and the hook winding 20-1 is θ1 with respect to the support bracket 2. To achieve an angle of.

On the other hand, when the θ1 is smaller than 125 °, the end portion of the winding hook 20-1 in the unloaded state is caught by the winding hook hanger pin 14-1 of the charging ladle 40, which makes it difficult to remove it.

In addition, when θ1 exceeds 145 °, the hook sheave block 19 collides with the middle part of the carrying ladle 30, and the hook hook 20-1 is carried by the hook hook ring 14 of the carrying ladle 30. You will not be able to hang on.

Therefore, when the weight base 5 is placed vertically by the weight of the weight 1, that is, the load is not applied to the hook hook 20-1, the value of θ1 is such that θ1 forms an angle of 125 to 145 °. Will be managed.

When θ1 is managed at 45 ° and the loaded hook 20-1 is in a vertical state, since θ3 does not decrease to at least 225 ° or less, the hooked block 19 is lifted by the weight 1 that is raised. ) Is not broken.

Hereinafter, the operation of the present invention.

First, as shown in FIG. 4A, the weight base 5 is placed in a vertical state by the weight of the weight 1, and at this time, the winding hook 20-1 in the unloaded state has a θ1 of 135 °. Being placed can be easily attached to the hook hook hook 14-1 of the charging ladle 40 and the hook hook hook 14 of the carrier ladle 30.

As shown in Figs. 4B and 4C, when the load starts to be applied to the winding hook 20-1, a force greater than the weight of the weight 1 is applied, and the winding hook is gradually lowered.

At this time, when the tilting of the charging ladle 40 and the carrying ladle 30 is started by the winding hook 20-1, as shown in FIG. 4d, the loading hook is completely loaded, and thus the winding hook is It is placed vertically by the load.

Here, when θ1 is managed at 45 ° and the fully loaded wound hook 20-1 is in a vertical state, θ3 does not decrease to at least 225 ° or less, so the hooked block (1) is lifted by the weight 1 that is raised. 19) will not be broken.

The present invention facilitates the installation and removal of the security hook from the hook hook pin of the charging ladle and the hook hook ring of the transport ladle by adjusting the angle of the security hook by using the weight, thereby improving safety of work and preventing safety accidents. Provide the effect.

Claims (2)

The support bracket 2 is fixed to the lower portion of the hook sheave block 19, The upper end of the bow hook 20-1 to the support bracket 2 is coupled to rotate around the center pin (3), The weight base 5 is integrally formed at the upper end of the bobbin hook 20-1 to form 45 ° with the bobbin hook 20-1, Locking hook device for a chartered ladle tilt crane, characterized in that the fastening pin (4) of the weight base (5) is fitted with a removable weight (1) to adjust the weight. The method of claim 1, The angle between the hook sheave block 19 and the bobbin hook 20-1 is maintained at 125 to 145 ° while the load is not applied to the bobbin hook 20-1. Security hook device of the field crane.