KR100891101B1 - Automated shackle assembly - Google Patents

Abstract

An automated shackle assembly is provided to reduce the total weight and manufacturing cost by reducing the load required for the vertical moving unit. An automated shackle assembly(200) comprises a shackle body(220) having an opening(223), a first shackle pin(231) opening or closing the opening in order to support a steel structure, a first elastic unit(241) which provides the elastic force so that the first shackle pin opens the opening, a protrusion(224) fixing the first shackle pin to the closed state, a second shackle pin(232) which pressurizes so that the first shackle pin closes the opening, a vertical moving unit(250) which is arranged in the shackle body and is moved up and down, a second elastic unit(242) which provides the elastic force so that the second shackle pin moves and opens the opening, and a third shackle pin which is arranged between the first shackle pin and the second shackle pin and releases the fixed state of the protrusion.

Description

Auto Open Shackle Assembly {AUTOMATED SHACKLE ASSEMBLY}

The present invention relates to a shackle assembly for transporting steel structures, such as H-beams in the construction site, in particular an automatic open shackle assembly that can be more easily and securely separated from the steel structure by remote control operation using a remote controller. It is about.

Recently, the construction industry is responding to the construction of buildings of the future, which are becoming larger and more versatile, and also tend to become super tall and underground due to limited site conditions. Therefore, in the process of construction of large-scale buildings according to the trend of the construction industry, it is recognized that the steel frame construction that is the foundation is the most important process. Steel frame construction is an essential construction in the construction process of a large building, and is a process of forming a skeleton of a building. The basic task of such steel frame construction is to lift and assemble various steel structures by a worker with a tower crane installed on site.

In order to install such steel structures, it is necessary to first connect the steel structures to a tower crane using a shackle assembly or the like. That is, as shown in Figure 1, each of the connecting member 120 having an assembling hole 121 on both sides of the upper end of the steel frame structure 110, the shackle assembly to the assembly hole 121 of the connecting member 120 After fastening and fixing the shackle body 131 constituting the 130 using the shackle pin 132 and the nut 133, the hook 140 of the crane is connected to the shackle body 131.

Then, after lifting the steel structure 110 connected to the hook 140 of the crane and moved to the assembly position accurately to temporarily assemble. Thereafter, the worker climbs to the top of the steel structure 110 to separate the shackle assembly 130 from the steel structure (110).

However, in the conventional method as described above, the operation of separating the shackle assembly 130 from the steel structure 110 is performed by a worker's hand. That is, since the worker has to climb to the top of the steel structure 110 connected to the crane to perform the separation work, there are many risks such as a fall accident, etc., as well as the overall work efficiency is reduced.

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 Laid-Open Patent Publication No. 1999-0033087 And the "automatic open shackle assembly" known from JP 2006-0066680 A. 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 a shackle assembly configured to be opened and closed by a conventional handle operation according to a remote control signal. However, this technique is not only too complicated but also heavy, as the configuration relationship of the existing shackle assembly is complicated and additional configuration is added to the remote control device.

The technique of Korean Patent Laid-Open Publication No. 1999-0033087 uses a gear train mechanism to move the support member left and right according to a remote control signal, and detects the weight of the steel structure as a separate safety device that controls its operation during a misoperation of an operator. By providing a load cell, it is possible to separate the steel structure automatically connected to the crane in a safe state. However, this technology has a disadvantage that the unit price is expensive as it has an expensive load cell.

On the other hand, Korean Patent Laid-Open Publication No. 2006-0066680 is a technology developed by the inventor of the present invention, as shown in Figs. 7 and 8 in the shackle assembly 300, the vertical movement means 350 moves downward to shackle pin When the shackle pin 330 is in a closed state across the shackle body 320 by being inserted into the fixing groove provided at 330 (FIG. 8), when the vertical movement means 350 moves upward (FIG. 7), Disclosed is a technique in which the shackle pin 330 is slid by the elastic force of the elastic body 340 to perform a separation operation with the steel structure.

However, in this technology, only one means for maintaining the shackle pin 330 in the closed state as shown in FIG. 8 is only one vertical movement means 350. In general, however, a significant amount of restoring force is required to open the shackle pin 330. When the fixing pin of the vertical movement means 350 bears this restoring force alone, the load that the vertical movement means 350 must bear increases. Therefore, in order to give a big force to the vertical movement means 350, the structure of an apparatus becomes large (capacitance of a battery, use of a gear train, etc.). If the restoring force is small, smooth opening becomes difficult due to the frictional force acting on the shackle pin 330.

In addition, since only one elastic means 340 for restoring the shackle pin 330 to the open state, the elastic force required for the elastic means 340 was also required to a very high level.

As such, there has been a problem that the device configuration is enlarged and complicated to implement the vertical movement means 350 and the elastic means 340 satisfying the high load and the elastic force.

Therefore, the present invention has been made to solve the problems of the prior art as described above, when the engagement is released according to the remote control operation for the vertical movement means using a remote controller, the shackle pin is slidingly moved by the elastic force of the elastic body A self-opening shackle assembly capable of separating work from a structure, comprising: an auto-opening type that can sufficiently secure work safety at a light and low price by reducing the load required for vertical movement means and the elastic force required for the elastic means. The object is to provide a shackle assembly.

In order to achieve this object, the self-opening shackle assembly according to the present invention has a shackle body having an opening therebetween so that a portion of the steel structure can be inserted and supported therein, and the opening is moved linearly across the opening of the shackle body. A first shackle pin for opening or closing the steel structure to support the steel structure, first elastic means 241 for providing the elastic force necessary for the first shackle pin to open the opening portion, and the first shackle pin in a closed state A protrusion for fixing, a second elastic means for providing a force necessary to release the fixing state of the protrusion, and when the opening is closed, the first shackle pin 231 selectively contacts the first shackle pin 231. When the force is transmitted to the first shackle pin 231 in the direction of closing the opening, and the opening is opened, the elastic energy stored in the second elastic means 242 is received. It is disposed between the second shackle pin and the first shackle pin 231 and the second shackle pin 232 moving in the direction in which the preservative is opened, the second elastic means 242 when the opening is opened A third shackle pin for releasing the fixed state of the protrusion 224 by receiving a force from the second shackle pin moving by obtaining elastic energy, and the first shackle pin closes or opens the opening of the shackle body; In order to linearly move in the vertical direction according to the restoring force of the power supply or elastic means of the electric supply means fixed to one side of the shackle body to communicate with the first opening provided on one side of the first shackle pin to engage with one side of the second shackle pin It characterized in that it comprises a shangdong means for lifting or releasing.

The automatic open shackle assembly according to the present invention may further include a control means for controlling the electricity supply means in accordance with an external remote control signal.

The first shackle pin of the present invention may have a first opening on one side, and the second shackle pin may have a fixing groove on one end portion. Thus, when the second elastic means is compressed, the fixing groove and the first opening can be aligned.

In addition, the vertical movement means of the present invention is preferably provided with a fixing pin for moving up and down when the first and second shackle pin closes the opening of the shackle body through the first opening to engage or release the fixing groove.

The shackle body of the present invention may have a through hole for linearly moving the first shackle pin through the first and second support parts and the first and second support parts, respectively.

In addition, the second support portion of the present invention includes an elastic member for imparting an elastic force to the protrusion such that the protrusion protrudes from the bottom of the through hole, wherein the first shackle pin is the first shackle pin is the opening of the shackle body And a second opening for inserting the protrusion by the elastic force of the elastic member when closing the portion.

In addition, the third shackle pin of the present invention is provided with an inclined surface on one side of the end, the projection is provided with an inclined surface corresponding to the inclined surface of the third shackle pin, the inclined surface of the projection when the projection passes through the second opening portion It may be configured to engage the inclined surface of the third shackle pin.

On the other hand, one end of the first shackle pin of the present invention may be configured to further include an inclined surface for engaging the inclined surface of the third shackle pin.

Further, the self-opening shackle assembly of the present invention further includes a housing fixed to the outside of the shackle body to receive the first shackle pin and the first elastic means and to limit the movement of the first shackle pin by the elastic force of the first elastic means. It is desirable to.

According to the present invention, by configuring a plurality of shackle pins and elastic means, it is possible to reduce the load required for the vertical movement means and the elastic force required for the elastic means.

That is, in the present invention, the support for the first elastic means 241, which is in charge of the large restoring force required to open the shackle pin 230, is applied to the protrusion 224, and the force for releasing the protrusion 224. Does not use electrical energy, but uses elastic energy stored in the second elastic means 242 by attraction.

Accordingly, since the fixing pin 251 of the vertical movement means 250 supports only the restoring force of the second elastic means 242 having a relatively small restoring force, the movable means 250 necessary for controlling the second elastic means 242 is required. The burden on the system is greatly reduced, thus simplifying the device. In addition, the impact force generated when the elastic energy of the second elastic means releases the protrusion 224 acts as a force to overcome the static frictional force acting against the opening of the first shackle pin 231, so that the first elastic means ( Since 241 allows the first shackle pin 231 to be opened smoothly, the required restoring force of the first elastic means 241 is reduced.

Hereinafter, with reference to the accompanying drawings will be described in detail an embodiment of the present invention.

As shown in FIGS. 2A and 2B, the self-opening shackle assembly 200 according to this embodiment includes a shackle body 220 having an opening 223 therebetween so that a portion of the steel structure can be inserted and supported therein. First, second and third shackle pins 231 and 232 for supporting the steel structure by opening or closing the opening 223 by linearly moving across the opening 223 of the shackle body 220. , 233, the first elastic means 241 and the second elastic means 242, and the power supply of the electric supply means to the shangdong means 250 according to the shanghai means 250 and an external remote control signal. It includes a control means for controlling the overall control including.

That is, the shackle pin 230 according to the present invention is characterized by consisting of three parts, that is, the first, second and third shackle pins 231, 232, and 233.

In addition, as the shackle pins 230 are configured in plural, a plurality of elastic means 240 for restoring the shackle pins 230 to the open position also exist, that is, the first and second elastic means 241 and 242.

The housing 260 is provided outside the second shackle pin 232 and the second elastic means 242 so that the second shackle pin 232 and the second elastic means 242 are separated from the shackle body 220 by a predetermined range or more. Limit what is happening.

Hook hook portion 210 is for hooking the hook of the crane, it is coupled to the upper portion of the shackle body 220. As shown in Figure 2a and 2b, the upper portion 212 of the hook hook portion 210 is formed with a hole 211 for hooking the hook of the crane, the lower portion 213 of the hook hook portion 210 is shackle It is inserted into a hole provided in the upper portion of the body 220, and then fixed by predetermined fastening means 214 such as screws and nuts.

Referring again to FIGS. 2A and 2B, the shackle body 220 has a shape in which a portion of the shackle body 220 is inserted into the lower portion 213 of the hook hook portion 210, and the support portion of the steel structure may be inserted and supported. First and second support parts 221 and 222 are formed. At this time, between the first and second support portions 221 and 222, openings 223 having a gap in which the support portions of the steel structure can be inserted are formed.

A hole for inserting the lower portion 213 of the hook hook portion 210 is formed in the upper portion of the first and second support portions 221 and 222, and is opened in the lower portion of the first and second support portions 221 and 222. Through holes 226 penetrating the portion 223 in the left and right directions are formed, respectively. At this time, the through hole 226 preferably has a rounded cross section.

A space for installing the vertical movement means 250 is provided in the second support part 222. This space provides a space in which the fixing pin 251, which is a part of the shangdong means 250, moves freely in the vertical direction. Accordingly, the fixing pin 251 moves downward along the space inside the second support part 222 so that the end thereof protrudes toward the through hole 226, thereby shackle pin 230 (more specifically, the first and second shackle pins). (231, 232)] is fixed to the shackle pin 230, or the upper end is moved to the upper end so as to be located in the space of the second support portion 222 to shackle pin 230 (more specifically the first and Second shackle pins (231, 232)].

In addition, one protrusion 224 protruding from the lower corner portion of the through hole 226 is formed in the second support portion 222. The protrusion 224 is in a state of pressing upward by the elastic member 225. Thus, as shown in FIGS. 2A and 3D, when the shackle pin 230 is in a closed state across the opening 223 of the shackle body 220, the first shackle pin 231 of the shackle pin 230 is closed. It is inserted into the provided second opening 231-2 to maintain the first shackle pin 231 in a closed state.

Meanwhile, as shown in FIGS. 2A and 2B, and FIGS. 3A to 3D, the shackle pin 230 of the present invention has three parts, that is, the second shackle pin 232 and the second shackle existing at the outermost part. Between the first shackle pin 231 and the first shackle pin 231 and the second shackle pin 232 which are disposed inward in the direction of the shackle body 220 and cross the opening 223 than the pin 232. It is characterized by consisting of the third shackle pin 233 is disposed.

The first shackle pin 231 is a portion that crosses the first and second supports 221 and 222 of the shackle body 220 and has a length that can be positioned across the first and second supports 221 and 222. And, it has a size and shape that can penetrate the through-hole 226 smoothly linearly reciprocating in the left and right directions.

Referring to FIG. 4, the first shackle pin 231 is a hollow cylindrical member having one end 231-3 open and the other end 231-4 closed. Two inner spaces, that is, a first inner space 231-5 and a second inner space 231-6, are provided at one end portion 231-3, and a second shackle is provided in the first inner space 231-5. The pin 232 and the third shackle pin 233 are inserted and seated, and the end 233-4 of the third shackle pin 233 is disposed in the second internal space 231-6. An inclined surface 231-8 is provided at the boundary portions 231-7 of the first and second internal spaces 231-5 and 231-6 to correspond to the inclined surface 233-1 of the third shackle pin 233 to be described later. Physics has a form.

In addition, as shown in FIG. 4, the first opening part 231-1 and the second opening part 231-2 are provided outside the first shackle pin 231. The first opening portion 231-1 serves as a communication hole so that the fixing pin 251 of the vertical movement means 250 can be inserted into the fixing groove 232-1 of the second shackle pin 232. The protrusion 224 provided on the second support part 222 of the shackle body 220 is inserted into the second opening part 231-2.

When the second shackle pin 232 closes the opening 223, the second shackle pin 232 selectively contacts the first shackle pin 231 so that the first shackle pin 231 closes the opening 223. When the force is transmitted to the pin and the opening 223 is opened, the energy stored in the second elastic means 242 is transmitted to the third shackle pin 233.

Referring to FIG. 5, the second shackle pin 232 is disposed at the outermost side of the three shackle pins, and one end 232-4 is closed and the other end 232-3 is a hollow cylindrical shape. desirable. An inner space 232-3 for disposing the second elastic means 242 is provided inside the second shackle pin 232, and in the direction of the other end 232-5 of the inner space 232-3. A stepped portion 232-2 for transmitting a force to the third shackle pin 233 is provided.

In addition, the second shackle pin 232 has a fixing groove 232-1 on which the fixing pin 251 of the shank moving means 250 is fitted and fixed to the other end portion 232-5 side. The fixing groove 232-1 may be configured to be slightly larger than the fixing pin 251 in consideration of the smooth insertion of the fixing pin 251.

The third shackle pin 233 is disposed between the first shackle pin 231 and the second shackle pin 232 and the force from the second shackle pin 232 to obtain the elastic energy of the second elastic means 242 to move Received is to release the fixed state of the projection 224.

Referring to FIG. 6, the third shackle pin 233 may have a rod shape and a circular cross section. One end 233-3 of the third shackle pin 233 is disposed in the inner space 232-3 of the second shackle pin 232 and contacts the second elastic means 242 (FIGS. 3 and 5). The other end 233-4 is present in the second internal space 231-6 of the first shackle pin 231 (see FIGS. 3 and 4). The other end portion 233-4 of the third shackle pin 233 is provided with an inclined surface 233-1 so that the protrusion 224 when the third shackle pin 233 moves outwardly based on the shackle body 220. It serves to push along the inclined surface, and has a form to mesh with the inclined surface (231-8) of the first shackle pin 231.

On the other hand, the elastic means 240 according to the present invention is composed of a first elastic means 241 and a second elastic means 242.

As shown in FIGS. 3A to 3D, the first elastic means 241 is disposed between the outer surface of the second support portion 222 of the shackle body 220 and the one end portion 231-3 of the first shackle pin 231. Seated on, the first shackle pin 231 serves to provide an elastic force to open the opening 223 of the shackle body 220.

3A to 3D, the second elastic means 242 is disposed between the second and third shackle pins 232 and 233 in the inner space 232-3 of the second shackle pin 232. Is disposed to serve to provide the force necessary to push the protrusion 224 from the first shackle pin 231 through the second shackle pin 232 and the third shackle pin 233.

On the other hand, the coil spring can be used as the first and second elastic means 241, 242 as described in this embodiment. At this time, each coil spring is embedded in a compressed form with a weak strength is compressed and then returned. That is, the coil spring is compressed when the shackle pin 230 closes the opening 223 of the shackle body 220 as shown in FIG. 2A, and returns to its original state when the opening 223 is opened as shown in FIG. 2B. .

The shankdong means 250 is linearly reciprocated in the vertical direction by the power of the electricity supply means fixed to one side of the lower shackle body 220 or the restoring force of the elastic means, so that the first opening of the first shackle pin 231 ( 231-1) and engages or releases the fixing groove 232-1 of the second shackle pin 232 while communicating.

The upward movement of the shank means 250 is driven by the power of the electricity supply means, and the downward movement is driven by the restoring force of the elastic means. A solenoid valve may be used as the upward movement means of the shank moving means 250.

That is, the fixing pin 251 of the shankdong means 250 is moved downward by the restoring force of the elastic means so that the end thereof is fitted into the fixing groove 232-1 of the second shackle pin 232 and is fixed. According to the power supplied from the supply means, the solenoid valve moves upwardly the fixing pin 251 of the shandong movement means 250, the end of which is separated from the fixing groove 232-1 and the second shackle pin 232. Break the association.

The control means is built into the upper end of the shackle body 220 through a separate cover, the receiving unit for receiving an external remote control signal, and the power supply of the electric supply means according to the signal received from the receiving unit (250) It is composed of a control circuit unit for controlling the overall, such as applied to. In addition, the control means may be configured to display the working state through the display means for displaying the working state, for example, the LED. In addition, the control means may be configured to display through other display means so that the state of the battery of the electricity supply means can be confirmed from the outside.

The automatic open shackle assembly according to the present invention configured as described above is coupled to both sides of the steel structure structure 110 as shown in Figure 1 to combine, transport and separate the steel structure structure 110, the The operation is described as follows.

First, as shown in FIG. 3A, the shackle body (2) protrudes out of the housing 260 and the first shackle pin 231 opens the opening 223 of the shackle body 220. The opening 223 of the 220 is positioned on the support of the steel frame structure, and the through hole 226 of the first and second support parts 221 and 222 coincides with the through hole formed in the support part. In this state, the operator pushes the second shackle pin 232 in the direction of closing the opening 223 of the shackle body 220. Then, only the second shackle pin 232 moves in the left direction of the drawing with the first shackle pin 231 and the third shackle pin 233 fixed.

As a result, as shown in FIG. 3B, as the second elastic member 242 is compressed, the other end portion 232-5 of the second shackle pin 232 is connected to the boundary portion 231-7 of the first shackle pin 231. It will be in close contact.

In this state, if the second shackle pin 232 is continuously pushed to the left side, the first shackle pin 231 in close contact with the second shackle pin 232 is integrally formed with the second shackle pin 232 to the left side. Move. At this time, the third shackle pin 233 disposed inside the second shackle pin 232 also moves to the left together with the first and second shackle pins 231 and 232 integrally.

The first, second, and third shackle pins 231, 232, and 233 move to the left side, and the protrusions provided with the second opening part 231-2 of the first shackle pin 231 on the second support part 222 ( When aligned with the 224, the protrusion 224 protrudes upward by the elastic force of the elastic member 225. As a result, the protrusion 224 is inserted into the second opening 231-2 of the first shackle pin 231 and is fixed in a state in which the first shackle pin 231 closes the opening 223.

Meanwhile, as shown in FIG. 3C, in this state, the first opening 231-1 of the first shackle pin 231 and the fixing groove 232-1 of the second shackle pin 232 move up and down. It is aligned with the position of the fixing pin 251 of the means (250).

In this state, when the fixing pin 251 of the vertical movement means 250 moves downward by the restoring force of the elastic means (not shown), the fixing pin 251 is the first shackle pin 231 as shown in FIG. 3D. After passing through the first opening (231-1) of the (2) is inserted into the fixing groove 232-1 of the second shackle pin 232 is fixed, thereby completing the fixing operation.

In this fixed state, the resilience of the first elastic means 241 having a relatively large elastic force is assumed by the protrusion 224, and the fixing pin 251 is responsible for the restoring force of the second elastic means 242 having a relatively small elastic force. The load which the shank means 250 must bear becomes small.

 More specifically, in order to smoothly open the shackle pin 230 from the shackle body 220, a significant amount of restoring force is required to overcome the friction force between the shackle pin 230 and the connecting member 120 (see FIG. 1). When the fixed pin 251 is to be applied alone, the load that the shandong means 250 must bear is very large. In order to solve this problem, the large restoring force required to open the shackle pin 230 is applied to the protrusion 224 through the first shackle pin 231 and the force required to release the protrusion 224 is the second elastic means 242. Is obtained from the elastic energy stored in Details of the release process will be described later.

In this way, when the coupling of the support of the shackle assembly 200 and the steel structure of the present invention is completed, hook the hook of the crane to the hook hook (not shown) to operate the crane to transport the steel structure.

After moving the steel structure to the desired position in this state, the operation of separating the shackle assembly 200 from the steel structure is performed as follows.

That is, the second shackle is removed by removing the load applied to the first shackle pin 231 in the fixed state of FIG. 3D, supplying power to the electric supply means, and moving the fixing pin 251 of the vertical movement means 250 upward. The coupling is released from the fixing groove 232-1 of the pin 232 to be in the state of FIG. 3C.

As shown in FIG. 3C, when the fixing pin 251 is released from the second shackle pin 232 receiving the relatively small restoring force of the second elastic means 242, the second elastic means 242 may be restrained by the restoring force of the second elastic means 242. The shackle pins 232 are moved out of the housing 260 to be in the state of FIG. 3E.

When the second shackle pin 232 moves a predetermined distance to the right, the stepped portion 232-2 (see FIG. 5) of the second shackle pin 232 is one end 233-3 of the third shackle pin 233. 6, the third shackle pin 233 limits the movement of the second shackle pin 232. At this time, the kinetic energy of the second shackle pin 232 is transmitted to the third shackle pin 233 and the force is projected through the inclined surface 233-1 of the end of the third shackle pin 233 (224). Pushed down). (See Figure 3E)

When the protrusion 224 moves downward and the protrusion 224 comes out of the second opening 231-2 of the first shackle pin 231, the first shackle pin is formed by the strong elastic force of the first elastic means 241. 231 returns to its original position, ie, to the right, to open the opening 223 of the shackle body 220 to be in the state of FIG. 3A. Movement of the first shackle pin 231 is constrained by the housing 260 and limited to the state of FIG. 3A.

Thus, the shackle assembly 200 of the present invention is completely separated from the support of the steel structure. The shackle assembly 200 of the present invention thus separated is transferred to an operator on the ground by the operation of a crane and used to install another steel structure.

As described above, in the present invention, the support for the first elastic means 241, which is responsible for the large restoring force required to open the shackle pin 220, is applied to the protrusion 224, and the release of the protrusion 224 is performed. The force for use does not use electrical energy, but uses elastic energy stored in the second elastic means 242 as an attractive force.

Meanwhile, as described above, the restoring force of the second elastic means 242 is very small compared to the restoring force of the first elastic means 241, and the fixing pin 251 of the vertical movement means 250 is the second elastic means 242. Since only the restoring force of the load is required to control the second moving means 250 required to control the second elastic means 242, the apparatus is simplified.

Although specific embodiments of the present invention have been described above, the spirit and scope of the present invention are not limited to the specific embodiments, and various modifications and changes can be made without departing from the spirit of the present invention. Those skilled in the art will understand.

Therefore, since the embodiments described above are provided to completely inform the scope of the invention to those skilled in the art, it should be understood that they are exemplary in all respects and not limited. The invention is only defined by the scope of the claims.

1 is a schematic diagram illustrating a process of connecting a steel structure to a hook of a crane using a shackle assembly;

2A and 2B are schematic views of an auto-opening shackle assembly according to one embodiment of the present invention.

3A to 3E are views illustrating a process of opening and closing an automatically open shackle assembly according to one embodiment of the present invention.

Figure 4 is a detailed view of the first shackle pin according to an embodiment of the present invention.

5 is a detailed view of a second shackle pin according to an embodiment of the present invention.

Figure 6 is a detailed view of the third shackle pin according to an embodiment of the present invention.

7 and 8 are schematic views showing the configuration of the shackle assembly according to the prior art.

<Description of Major Reference Marks in Drawing>

200: shackle assembly 220: shackle body

221, 222 support portion 223 opening portion

224: projection 225: elastic member

226: through hole 230: shackle pin

231: first shackle pin 232: second shackle pin

233: third shackle pin 240: elastic means

241: first elastic means 242: second elastic means

250: vertical movement means 251: fixed pin

260: housing

Claims (7)

Shackle body 220 having an opening 223 therebetween so that a portion of the steel structure can be inserted and supported, A first shackle pin 231 for supporting the steel structure by opening or closing the opening portion 223 by linearly moving across the opening portion 223 of the shackle body 220; First elastic means 241 for providing the elastic force necessary for the first shackle pin 231 to open the opening 223; Protrusions 224 for fixing the first pin pin 231 in a closed state, When moving in the direction of closing the opening 223, the second shackle pin 232 in contact with the first shackle pin 231 to press the first shackle pin 231 to close the opening 223 )and, Is disposed on the shackle body 220 to be movable in the vertical direction, in the state in which the second shackle pin 232 presses the first shackle pin 231 to close the opening 223 In the case of moving downward, the opening part 223 is closed by engaging with one side of the second shackle pin 232 through the first opening part 231-1 provided at one side of the first shackle pin 231. It is maintained in the state, the moving unit 250 for releasing the closed state of the opening portion 223 when moving upward in the closed state 223, and Second elastic means 242 for providing an elastic force necessary to move the second shackle pin 232 in the direction of opening the opening 223 when the shank means 250 moves upward; The second shackle is disposed between the first shackle pin 231 and the second shackle pin 232 and moves to obtain elastic energy of the second elastic means 242 when the opening 223 is opened. Third shackle pin 233 for receiving the force from the pin 232 to release the fixing state of the protrusion 224 Auto-opening shackle assembly 200, characterized in that it comprises a. The method according to claim 1, The second shackle pin 232 has a fixing groove 232-1 at one end thereof, and when the second elastic means 242 is compressed, the fixing groove 232-1 and the first shackle pin The first opening 231-1 of 231 is aligned, The vertical movement means 250 moves up and down when the first and second shackle pins close the opening 223 of the shackle body 220 to penetrate the first opening 231-1. Self-opening shackle assembly (200) characterized in that it has a fixing pin (251) for engaging or releasing the fixing groove (232-1). The method according to claim 1, The shackle body 220 has a through hole 226 for linearly moving the first shackle pin 231 through the first and second support parts 221 and 222 and the first and second support parts 221 and 222. Each) The second support part 222 is provided with an elastic member 225 for applying an elastic force to the protrusion 224 so that the protrusion 224 protrudes from the lower portion of the through hole 226, The first shackle pin 231 is the protrusion 224 by the elastic force of the elastic member 225 when the first shackle pin 231 closes the opening 223 of the shackle body 220. An auto-opening shackle assembly (200), characterized in that it has a second opening (231-2) for insertion. The method according to claim 3, The third shackle pin 233 is provided with an inclined surface 233-1 at one end thereof, The protrusion 224 is provided with an inclined surface 224-1 corresponding to the inclined surface 233-1 of the third shackle pin 233, When the protrusion 224 passes through the second opening 231-2, the inclined surface 224-1 of the protrusion 224 fits the inclined surface 233-1 of the third shackle pin 233. Auto open shackle assembly (200), characterized in that biting. The method according to claim 3, One end of the first shackle pin further comprises an inclined surface (231-8) for engaging the inclined surface (233-1) of the third shackle pin (233) automatically open shackle assembly (200). The method according to claim 1, The first shackle pin 231 is fixed to the outside of the shackle body 220 to accommodate the first shackle pin 231 and the first elastic means 241 and by the elastic force of the first elastic means 241. Auto-opening shackle assembly (200) characterized in that it further comprises a housing (260) to limit the movement. The method according to claim 1, Auto-opening shackle assembly (200), characterized in that it further comprises a control means for controlling the electricity supply means in accordance with an external remote control signal.

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