KR20100029806A - Semi automatic hook apparatus using pulling a heavy load - Google Patents

Abstract

PURPOSE: A semi-automatic hook apparatus used in pulling heavy articles is provided to prevent damage to the apparatus by simplifying structure and improve the safety of a task. CONSTITUTION: A semi-automatic hook apparatus used in pulling heavy articles comprises a body(100), a locking member, a hook(200), an operating wire(400), and a safety member(500). The body comprises a fixing hole(112) with which a shackle connected to a pulling cable of a crane is fixed. The locking member is installed to be slid on a through-hole formed through the body. A locking pin(300) is installed at one end of the locking member. The hook is installed on the shaft pin to be rotated. The operating wire is connected to the locking pin. The safety member is installed on the body.

Description

Semi automatic hook apparatus using pulling a heavy load}

The present invention relates to a semi-automatic hook used for lifting a heavy object such as construction materials, and in particular, when moving the heavy object in various construction sites, such as construction, civil engineering can be easily and safely connected and separated from the crane, heavy objects To a semi-automatic hook device.

In general, heavy objects are carried by cranes in construction sites, industrial sites, and port works. Shackle is used as a medium for connecting the crane's ropes and objects. The shackle has a structure in which the operator combines the pins with the U-shaped shackle body when carrying heavy goods, which is very cumbersome and requires a lot of workmanship. In particular, when the shackle needs to be dismantled in a place where the transported weight is relatively high, the worker has to climb to the place where the load is heavy. In particular, there is a risk of safety accidents such as falling when the pin is removed from the shackle in high places.

In particular, when lifting the gang form at the construction site, since the worker must go to the top of the gang form connected to the crane to perform the separation work, there are many risks of falling accidents, etc., as well as the overall work efficiency is lowered.

As a technique for compensating this problem, "Remote control device of the shackle for H-beam clamping" known from Korean Laid-Open Patent Publication No. 1998-022332 and "Automatic opening and closing type electric hook" known from Korean Patent Publication No. 1999-0033087 There is this. These known technologies are configured to automatically separate the steel structure connected to the crane through a remote control operation.

The technique of Korean Patent Laid-Open Publication No. 1998-022332 is configured to automatically separate a steel structure connected to a crane by moving the shackle pin of the shackle assembly configured to be opened and closed by an existing handle operation according to a remote control signal. However, this technique is not only too complicated but also heavy, as the shackle configuration of the existing shackle is complicated and additionally added to the remote control device. In addition, there is a risk of accident because it is not equipped with a separate safety device for controlling the operation of the operator misoperation.

SUMMARY OF THE INVENTION An object of the present invention is to provide a semi-automatic hook device for use in lifting heavy weights to ensure the safety of the work.

In addition, an object of the present invention is to provide a semi-automatic hook device used for lifting a heavy material that can be used for a long time, as well as to eliminate the failure by simplifying the configuration.

It is also an object of the present invention to provide a semi-automatic hook device used for lifting a heavy material that can be separated only when the construction material is safely seated.

In addition, it is an object of the present invention to provide a semi-automatic hook device used for lifting the heavy material that can be separated by a worker at a safe distance away.

It is also an object of the present invention to provide a semi-automatic hook device used for lifting a heavy material, which is easy to lift the construction material.

The object of the present invention is not limited thereto, and other objects not mentioned will be clearly understood by those skilled in the art from the following description.

Semi-automatic hook device for lifting the construction material of the present invention for achieving the above object is a body having a fixing hole is fixed to the shackle connected to the lifting cable of the crane; A locking member installed to be slidably movable in the through hole passing through the body and having a locking pin having one end protruding from the body; A hook having a fixed end rotatably installed on the shaft pin installed at the lower end of the body, and a free end formed with a fastening hole fitted into one end of the locking pin, the hook for fastening and lifting a heavy lifting ring; An operation wire connected with the locking pin and used to slide the locking pin in an unlocking direction so that one end of the locking pin is separated from the fastening hole of the hook; And a safety member installed in the body and restricting the locking pin from being moved in the unlocking direction in a state in which the heavy object is suspended from the hook.

According to an embodiment of the present invention, the safety member is a safety pin that is pressed by the shackle located in the fixing hole when the load of the heavy load on the hook to limit the slide movement of the locking pin; And a leaf spring that provides an elastic force to the safety pin so that the slide movement limit of the locking pin is released if the load of the heavy load is not loaded on the hook.

According to an embodiment of the present invention, the locking pin includes a locking groove into which a part of the safety pin is fitted, and the safety pin has a stopper fitted to the locking groove.

Semi-automatic hook device for connecting the crane and the heavy object for achieving the above object is the body is fixed to the shackle connected to the lifting cable of the crane; A hook that is rotatably installed on the body and fixed by hanging a lifting hook of a heavy weight; A locking member slidably installed on the body and having a locking pin coupled to the hook to prevent any detachment of the lifting ring hooked to the hook; And an operation wire connected with the lock pin to unlock the lock pin such that the lock pin is separated from the hook.

According to an embodiment of the present invention, the hook has a fixed end rotatably connected to the body and a free end having a fastening hole into which one end of the locking pin is fitted, and the locking member has one end of the locking pin. It further comprises a coil spring to provide an elastic force in the locking direction to be fitted to the fastening hole formed in the free end of the hook.

According to an embodiment of the present invention, the safety member is installed on the body and restricts the locking pin unlocking operation of the locking member in a state where the load of the heavy weight is applied to the body.

According to an embodiment of the invention, the body further includes a fixing hole in which the shackle is located, the safety member is one end is located on the fixing hole, the other end is located in the locking groove formed in the locking pin A safety pin installed on the body; And a leaf spring providing an elastic force to the safety pin so that the other end of the safety pin is separated from the locking groove.

According to an embodiment of the present invention, the body further includes a fixing hole in which the shackle is located, and the safety member is pressed by the shackle positioned in the fixing hole when a load of heavy weight is loaded on the body to lock the lock. And a safety pin to limit the slide movement of the pin.

According to an embodiment of the present invention, the safety member further includes a leaf spring providing an elastic force to the safety pin so that the slide movement limit of the locking pin is released.

According to an embodiment of the present invention, the locking pin includes a locking groove into which a part of the safety pin is fitted, and the safety pin has a stopper fitted to the locking groove.

According to the present invention, the operator can unlock the semi-automatic hook connected to the lifting ring of the construction material even at a certain distance away.

In addition, according to the present invention, when a heavy load is loaded on the hook, the unlocking operation of the locking pin is impossible, thereby preventing a safety accident due to an operator's mistake.

Figure 1a is a view showing a state in which the semi-automatic hook device for lifting lifting material according to the present invention is used for lifting the gangform.
FIG. 1B is an enlarged view of the portion shown in FIG. 1A. FIG.
Figure 2 is a perspective view showing a locked state of the semi-automatic hook device shown in FIG.
3 is a perspective view showing a release state of the semi-automatic hook device shown in FIG.
4A and 4B are partial cross-sectional perspective views of the semi-automatic hook device shown in FIGS. 2 and 3.
5 is a cross-sectional view of the semi-automatic hook device shown in FIG.
6a to 6d are views showing a process of lifting the gangform using the semi-automatic hook device according to the present invention.

Hereinafter, a semi-automatic hook device for lifting a construction material according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings. First, in adding reference numerals to the components of each drawing, it should be noted that the same reference numerals are assigned to the same components as much as possible, even if shown on different drawings. In addition, in describing the present invention, when it is determined that the detailed description of the related well-known configuration or function may obscure the gist of the present invention, the detailed description thereof will be omitted.

(Example)

1 is a view showing a state in which the semi-automatic hook device for lifting the construction material according to the present invention is used for gangform lifting. Figure 2 is a perspective view showing a locked state of the semi-automatic hook device shown in FIG. 3 is a perspective view showing a release state of the semi-automatic hook device shown in FIG. 4A and 4B are partial cross-sectional perspective views of the semi-automatic hook device shown in FIGS. 2 and 3. 5 is a cross-sectional view of the semi-automatic hook device shown in FIG.

As shown in Figures 1 to 5, the semi-automatic hook device 10 of the present invention is a device for connecting the lifting ring (2) of the shackle 30 and the gangform (1) connected to the lifting cable 20 of the crane , Looking at the configuration includes a body 100, a hook 200, a locking pin 300, a working wire 400 and a safety member 500.

The body 100 has an inner space 180 located at an upper end thereof, and a fixing hole 112 is formed at an upper end thereof formed with the inner space 180. The shackle 30 connected to the lifting cable 20 of the crane is fitted into the fixing hole 112. Fixing hole 112 is a portion in which the shackle 30 is fitted is formed a little longer in the vertical direction receiving a load, one end 512 of the safety pin 510 is installed in the inner space 180 on the upper side of the fixing hole 112. ) Will be located.

 A through hole 130 penetrating from the left side to the right side is formed in the middle portion located below the upper portion of the body 100. The locking pin 300 is positioned in the through hole 130. A shaft pin 120 is installed on one side of the lower portion below the middle portion of the body 100 so as to be biased to one side, and a fixed end of the hook 200 is rotatably installed on the shaft pin 120.

Hook 200 is provided so that one end (fixed end) is rotatable to the shaft pin 130, the other end (free end) is formed with a fastening hole 210 to be fitted to one end 302 of the locking pin 300. . The hook 200 has a lifting ring 2 of the gang form 1 on the inner surface facing the body 100, the inner surface is formed to be a downward curved surface so that the lifting ring 2 is stably positioned. That is, when the load of the gangform (1) is loaded on the hook 200, the body 100 is slightly inclined while the lifting ring (2) is located close to the shaft pin 130, the center of gravity is biased toward the shaft pin (130) Therefore, the locking pin 300 is more stably fixed to the fastening hole 210 of the hook 200.

The locking member includes a locking pin 300 and a coil spring 320 coupled to the hook 200 to prevent any detachment of the lifting ring 2 caught by the hook 200. The locking pin 300 is installed to slide in the through hole 120. Both ends of the locking pin 300 is exposed to the left and right of the body 100. One end 302 of the locking pin 300 is fitted into the fastening hole 210 of the hook 200, the other end of the locking pin 300 is connected to the operation wire 400. The coil spring 320 is installed at the central portion of the locking pin 300, and the fixing pin 330 of the body 100 and the locking pin 300 is disposed so that the locking pin 300 is not separated from the through hole 130. It is installed through the pinhole 308. The pinhole 308 is formed long in the longitudinal direction by the slide movement distance of the locking pin 300. A locking groove 310 is formed between the pin hole 308 and the other end of the locking pin 300, and the stopper 514 of the safety pin 510 of the safety member 500 is positioned in the locking groove 310. .

The safety member 500 has a safety pin 510 and a pin spring 520 and is installed in the inner space 180 of the body 100. One end of the safety pin 510 is positioned on the fixing hole 112, and when the load of the gangform is loaded on the semi-automatic hook device, that is, the hook 200, the shackle 30 is positioned on the fixing hole 112, thereby securing the safety pin. One end 512 of the 510 is pressed, whereby the stopper 514 of the safety pin 510 is positioned in the locking groove 310 as the safety pin 510 is rotated at an angle (as shown in FIG. 5). dotted line). In this case, even if the operator pulls the operation wire 400, the locking pin 300 does not move in the release direction, thereby preventing a safety accident in advance. For example, when the gang form lifting is completed or the gang form is not connected to the hook 200, the load of the gang form is not loaded on the hook 200, and in this case, the stopper of the safety pin 510 is prevented by the elastic force of the leaf spring 520. The 514 is maintained in a state of being released from the locking groove 310 of the locking pin 300 (unlocking state) (see FIG. 4A).

6a to 6d are views showing a process of lifting the gangform using the semi-automatic hook device according to the present invention.

Referring to the drawings, the semi-automatic hook device 10 of the present invention is connected to the lifting ring 2 of the gangform 1 to be lifted. When the hook 200 is hooked to the lifting ring 2 and the hook 200 is rotated in the locking direction, one end 302 of the locking pin 300 is fitted into the fastening hole 210 formed at the free end, and the hook 200 is inserted into the hook 200. Is locked. In this state, the gangform is fixed by lifting the gangform using a crane. When the lifting work of the gangform (1) is completed and the installation of the gangform (1) is completed, the lifting cable 20 of the crane is slightly lowered down by the length of the semi-automatic hook device 10, at this time by the shackle 30 The pressed safety pin 510 is rotated by the pin spring 520 so that the stopper 514 is separated from the locking groove 310. Only in this state, the operator must pull the operation wire while the locking pin 300 slides and the end 302 is removed from the fastening hole 210 of the hook 200, and eventually the locking state of the hook 200 is released. (2) can be pulled out of the hook (200).

That is, the safety member 500 is limited to the release operation of the locking pin 300 in a state in which a heavy load is applied to the body 100 (shackle is located at the upper end of the fixing hole 112), the operator mistakes By pulling the furnace operating wire 400 can be prevented in advance a safety accident that can occur.

The above description is merely illustrative of the technical idea of the present invention, and those skilled in the art to which the present invention pertains may make various modifications and changes without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention but to describe the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be interpreted by the following claims, and all technical ideas within the scope equivalent thereto should be construed as being included in the scope of the present invention.

1: Gangform 2: Lifting ring
20: lifting cable 30: shackle
100: body
200: hook
300: locking pin
400: working wire
500: safety member

Claims (10)

In the semi-automatic hook device that connects the crane and heavy goods:
A body having a fixing hole to which the shackle connected to the lifting cable of the crane is fixed;
A locking member installed to be slidably movable in the through hole passing through the body and having a locking pin having one end protruding from the body;
A hook having a fixed end rotatably installed on the shaft pin installed at the lower end of the body, and a free end formed with a fastening hole fitted into one end of the locking pin, the hook for fastening and lifting a heavy lifting ring;
An operation wire connected with the locking pin and used to slide the locking pin in an unlocking direction so that one end of the locking pin is separated from the fastening hole of the hook; And
Semi-automatic hook device for connecting the crane and the heavy weight, characterized in that the safety pin is installed on the body and includes a safety member to limit the locking pin to move in the unlocking direction in the state in which the heavy hook is suspended. The method of claim 1,
The safety member
A safety pin that is pressed by the shackle positioned in the fixing hole when a load of a heavy object is loaded on the hook to limit the slide movement of the locking pin; And
Semi-automatic hook device for connecting the heavy load with the crane, characterized in that it comprises a leaf spring for providing an elastic force to the safety pin so that the limit of the slide movement of the locking pin is released if the load of the heavy load on the hook. The method of claim 2,
The locking pin includes a locking groove into which a part of the safety pin is fitted,
The safety pin is a semi-automatic hook device for connecting the crane and heavy weight, characterized in that it has a stopper fitted in the engaging groove. In the semi-automatic hook device that connects the crane and heavy goods:
A body to which the shackle connected to the lifting cable of the crane is fixed;
A hook that is rotatably installed on the body and fixed by hanging a lifting hook of a heavy weight;
A locking member slidably installed on the body and having a locking pin coupled to the hook to prevent any detachment of the lifting ring hooked to the hook; And
Semi-automatic hook device that is connected to the locking pin, and comprising a working wire for unlocking the locking pin so that the locking pin is separated from the hook. The method of claim 4, wherein
The hook is
And a free end having a fixed end rotatably connected to the body and a fastening hole into which one end of the locking pin is fitted.
The locking member
Semi-automatic hook device for connecting the crane and heavy weight, characterized in that it further comprises a coil spring providing an elastic force in the locking direction so that one end of the locking pin is fitted into the fastening hole formed in the free end of the hook. The method according to claim 4 or 5,
Semi-automatic hook device for connecting the crane and the heavy load, characterized in that the installation further comprises a safety member for limiting the locking pin unlocking operation of the locking member in the state that the load of the heavy load is applied to the body. The method of claim 6,
The body further includes a fixing hole in which the shackle is located,
The safety member
A safety pin installed at the body so that one end is positioned on the fixing hole and the other end is located in a locking groove formed in the locking pin; And
Semi-automatic hook device for connecting the crane and heavy weight, characterized in that it comprises a leaf spring providing an elastic force to the safety pin so that the other end of the safety pin is separated from the locking groove. The method of claim 6,
The body further includes a fixing hole in which the shackle is located,
The safety member
Semi-automatic hook device for connecting the crane and heavy weight, characterized in that it comprises a safety pin that is pressed by the shackle located in the fixing hole when the load of the heavy load on the body to limit the slide movement of the locking pin. The method of claim 8,
The safety member
Semi-automatic hook device for connecting the crane and heavy weight, characterized in that it further comprises a leaf spring to provide an elastic force to the safety pin so that the slide movement limit of the locking pin is released. The method of claim 8,
The locking pin includes a locking groove into which a part of the safety pin is fitted,
The safety pin is a semi-automatic hook device for connecting the crane and heavy weight, characterized in that it has a stopper fitted in the engaging groove.

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