JP2614194B2 - Shackle - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shackle, and more particularly to a shackle used for lifting a heavy object such as a cross beam in a building structure or a steel material of a retaining wall horizontally or moving the heavy material horizontally. About.

[0002]

2. Description of the Related Art Conventionally, a shackle used to lift a suspended object such as a pillar of a building structure and raise the pillar is:
For example, it is known as disclosed in Japanese Utility Model Publication No. 4-32390.

In this shackle, a hanging portion having a hanging tool is provided on an upper portion of a shackle body in which an insertion groove of a suspended object is opened downward, and a shackle pin which is closed across the insertion groove in a horizontal direction. The shackle pin is slidably supported, and a support for supporting the shackle pin is provided so as to protrude horizontally outside one leg piece of the shackle body forming the insertion groove. A lock mechanism that locks in the closed position is provided on the shackle body so as to protrude outward from the other leg.

An operation wire is fixed to the lock body of the lock mechanism and the shackle pin, and when the object to be suspended is lifted, the object to be suspended is inserted into the insertion groove of the shackle body. The shackle pin is fitted into a bolt hole or the like of a suspended object inserted into the groove, the shackle pin is locked by the lock body, and a hanging tool provided on the shackle body is lifted by, for example, a crane. After the lifting operation is completed, the locking of the suspended object by the shackle pin is released by remote control using the operation wires, the shackle is removed from the suspended object, and the next operation is started. It is.

[0005]

However, in the shackle constructed as described above, the object to be suspended, which is provided with the bolt holes in the lateral direction, that is, in the horizontal direction, like the column, is vertically lifted. It is not applicable to the case where the bolt hole is vertically lifted, that is, a horizontal beam that is provided in a vertical direction, or a case where a suspended object such as a steel material of a retaining wall is hung horizontally. When lifting an object to be suspended horizontally, it is usual to use a lateral suspension clamp.

[0006] However, since the horizontal suspension clamp uses the weight of the suspended object to clamp the clamp claws to the suspended object, the lateral suspended clamp lifts the suspended object such as the horizontal beam and the like. For example, when performing bolting work on a pillar that has been erected, when the weight of the suspended object is supported by the pillar, and when working in a so-called no-load state in which the load acting on the clamp disappears, the clamp is The clamp may not be released from the suspended object, and the clamp does not have a configuration for releasing the clamp state by remote control like the shackle described above. And the workability is poor.

It is an object of the present invention to provide a shackle capable of lifting and moving a suspended object such as the cross beam horizontally with high safety.

[0008]

In order to achieve the above object, according to the first aspect of the present invention, the insertion groove 11 for the object to be hung is opened laterally, extends upward to the open side, and the upper part thereof is opened. A shackle body 1 provided with a hanging portion 12 having a hanging tool 2,
A shackle pin 3 that crosses the insertion groove 11 to close the insertion groove 11; a support 4 that supports the shackle pin 3 so as to slide freely; and a lock mechanism 5 that locks the shackle pin 3 at its closed position. The support 4 is integrally provided adjacent to the side of the hanging portion 12 of the shackle body 1, and the shackle pin 3 is attached to the support 4.
Is slidably supported in the vertical direction, and the lower member 13 of the insertion groove 11 in the shackle body 1 is supported.
The lock mechanism 5 is incorporated in the first embodiment.

Further, according to the present invention, the engagement grooves 34, 35 are formed in the upper and lower portions of the shackle pin 3 in the sliding direction.
And the shackle body 1 is provided with the engagement grooves 34,
The shackle body according to claim 3, wherein a locking body (36) elastically engaged with one of the shackle (35) is provided to lock the shackle pin (3) between its closed position and the open position. 1, a lower portion 13 of the insertion groove 11 is provided with a recess 21 that opens downward.
1, the lock body 51 of the lock mechanism 5 is slidably mounted inside, and the outer surface of the lid 22 that closes the open side of the recess 21 is flush with the lower surface of the lower member 13.

Further, according to the present invention, the shackle pin 3 and the lock body 51 of the lock mechanism 5 are provided at the connecting portion 23 between the upper member 14 and the lower member 13 of the insertion groove 11 in the shackle body 1. Operating wire 7,
8 guide holes 24, the upper part of the guide holes 24 is opened to the upper surface of the connecting part 23, and the lower part
The first sliding portion 25 is opened, and the sliding portion 25 is opened laterally outward of the connecting portion 23.

[0011]

According to the first aspect of the present invention, the shackle body 1 is provided with an insertion groove 11 for an object to be hung laterally open, and the hanging portion 12 is provided on the open side. On the other hand, a support 4 for the shackle pin 3 is integrally provided, the shackle pin 3 is supported on the support 4 so as to be freely slidable in the up-down direction, and the insertion groove 11 of the shackle body 1 is Since the lock mechanism 5 is incorporated in the lower member 13, the object to be suspended can be lifted or moved in a horizontal state with high safety. Even when working with no load, such as when bolting, the shackle body 1 does not come off from the suspended object due to the lock by the shackle pin 3. Of safety it is also to be ensured.

The support 4 is integrally provided on the side of the hanging portion 12 of the shackle main body 1 and the lock mechanism 5 is incorporated in the lower side member 13, so that the support 4 is provided as in the conventional example. Are integrated with the shackle main body without projecting outward of the leg pieces and without protruding the lock mechanism. Therefore, there is no problem that the lifting operation is hindered by hitting an external object during the lifting operation.

According to the second aspect of the present invention, the engagement grooves 34, 3 are formed in the upper and lower portions of the shackle pin 3 in the sliding direction.
5 and the shackle body 1
A locking body 36 elastically engaged with one of the fourth and fourth members 35 is provided,
Since the shackle pin 3 is locked between the closed position and the open position, the closed state can be maintained double by the lock by the lock body 51 of the lock mechanism 5 in the closed position, and in the open position, Although the shackle pin 3 is configured to slide vertically, the open position thereof can be effectively maintained, and therefore, the work of inserting the suspended object into the insertion groove 11 can be performed smoothly.

According to the third aspect of the present invention, the lower side member 13 of the insertion groove 11 in the shackle main body 1 is provided with a concave portion 21 that opens downward.
1, the lock body 51 of the lock mechanism 5 is slidably mounted inside, and the outer surface of the lid 22 that closes the open side of the recess 21 is flush with the lower surface of the lower member 13.
While the lock mechanism 5 is provided, the lower surface of the shackle body 1 can be removed by eliminating the protruding object from the lower side member 13 so that the lower surface thereof can be flattened, and the hooked object can be reduced. This makes it possible to easily and smoothly perform the insertion operation when inserting into the insertion groove 11.

Further, in the invention according to the fourth aspect, the connecting wire 23 between the upper side member 14 and the lower side member 13 of the insertion groove 11 of the shackle main body 1 is provided with the operating wires 7 and
8 guide holes 24, the upper part of the guide holes 24 is opened to the upper surface of the connecting part 23, and the lower part is the lock body 5
Since the first sliding portion 25 is opened and the sliding portion 25 is opened laterally outside the connecting portion 23, the operation wire 8 for operating the lock body 51 is inserted through the guide hole 24. Thereby, the operation wires 7 and 8 can be pulled upward to be remotely operated, and the operation wire 7 for operating the shackle pin 3 is inserted through the guide hole 24 to thereby allow the operation wires 7 and 8 to be operated. 8 can be pulled down for remote control.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The basic structure of the embodiment shown in FIG. 1 is to open the insertion groove 11 of the object to be suspended laterally, extend upward to this open side, and attach the suspending portion 12 having the suspending tool 2 above it. The shackle main body 1 provided, the shackle pin 3 which traverses the insertion groove 11 and closes the insertion groove 11, the support 4 which supports the shackle pin 3 slidably, and the shackle pin 3 is closed. A lock mechanism 5 for locking the shackle pin 3 at a position. The support body 4 is integrally provided adjacent to a side of the hanging portion of the shackle body 1 and the shackle pin 3 is attached to the support body 4 in the vertical direction. The shackle body 1 is slidably supported, and the lock mechanism 5 is incorporated in the lower member 13 of the insertion groove 11 in the shackle body 1.

An insertion groove 11 provided in the shackle body 1
The groove depth is preferably adjusted to the average size of the suspended object to be lifted, and the center of the suspension portion 12 is preferably positioned at the center in the width direction of the suspended object. However, this need not be the case.

As shown in FIGS. 1 and 4, the shackle pin 3 has a head 31 having a larger diameter than the pin holes 15 and 16 of the shackle body 1 at its base side, and a tip side described later. A lock groove 32 for engaging with the lock body 51 and an inclined guide surface 33 for guiding the lock body 51 of the lock mechanism 5 are provided in the lock groove 32, and a screw hole 31a is formed in the head 31. And a pair of screw bodies 6 for locking a first operation wire 7 described later in the screw holes 31a.
Are screwed so as to protrude from the outer surface of the support body 4, and engagement grooves 34 and 35 are provided on the base side and the tip side, that is, on the upper side and the lower side in the sliding direction, respectively. I have.

The support 4 for supporting the shackle pin 3 so as to be freely slidable in the vertical direction has a cylindrical shape having an inner space 17 having a diameter larger than the outer diameter of the head of the shackle pin 3. The shackle pin 3 is slidably mounted in the space 17 and the internal space 17 is inserted into the insertion groove 1.
1 and a long hole 18 for inserting the screw body 6, 6 is provided on both front and rear sides, and the screw body protruding from the long hole 18 is provided. By making the shackle pin 3 slidable by the operations 6 and 6, and by moving the shackle pin 3 by this operation, the distal end side of the shackle pin 3 is inserted into the insertion groove 11 to close the insertion groove 11. I have to.

An end plate 19 having an insertion hole for the first operation wire 7 is attached to the upper portion of the support 4, and the operation wire 7 to be pulled out from the insertion hole is inserted into the head 31 of the shackle pin 3. Then, the screw bodies 6 and 6 are fixed by tightening, and the shackle pin 3 is slid upward by the pulling operation of the operation wire 7, and the insertion groove 11 is opened by this sliding.

The shackle main body 1 is provided with a locking member 36 which elastically engages with one of the engagement grooves 34, 35, and locks the shackle pin 3 between its closed position and its open position. I am trying to do it. That is, an orthogonal hole 20 is provided near the insertion groove of the shackle main body 1 so as to communicate with the pin hole 16 at right angles.
35, and a spring 37 for urging the locking body 36 in the direction of the shackle pin 3 is provided therein, and an engaging groove of the locking body 36 is provided. The shackle pin 3 is locked at the two positions by engagement with the shackle pins 34 and 35. Therefore, with this locking configuration, in the closed position, the closed state can be maintained in a double state by the locking by the lock body 51 of the lock mechanism 5, and in the open position, the shackle pin 3 slides vertically. In this configuration, the open position can be effectively maintained, so that the operation of inserting the suspended object into the insertion groove 11 can be performed smoothly.

The lock mechanism 5 includes a lock body 51 having a locking portion 51a that engages with the lock groove 32 of the shackle pin 3, and the lock body 51 is moved toward the pin hole 15 of the shackle body 1. Spring 52 for biasing
And in the embodiment shown in the figure,
The lower member 13 of the insertion groove 11 in the shackle main body 1 is provided with a concave portion 21 that opens downward, and the lock body 51 of the lock mechanism 5 is slidably housed in the concave portion 21 and the spring 52 The open side of the recess 21 is closed by a lid 22, and the outer surface of the lid 22 is flush with the lower surface of the lower member 13.

A connecting portion 2 between the upper member 14 and the lower member 13 of the insertion groove 11 in the shackle main body 1.
3 includes a first operation wire 7 for operating the shackle pin 3 and a second operation wire for operating the lock body 51 of the lock mechanism 5.
Guide hole 2 for selectively inserting and guiding operation wire 8
4 is provided in the vertical direction, the upper part of the guide hole 24 is opened to the upper surface of the connecting part 23, and the lower part is constituted by the sliding part 25 of the lock body 51, that is, the concave part 21 and the lid 22. An opening is made in the sliding portion 25 and the sliding portion 25 is opened.
Is opened laterally outward of the connecting portion 23 by the recess 21, and the first operation wire 7 is guided downward through the guide hole 24 as shown by a chain line in FIG. remote control from can be, also, by upwardly guided through the guide hole 24 as shown the second operation wire 8 to the chain line in FIG. 1, it is possible to remote control from above.

The lock body 51 has the second
A hole for fixing the operation wire 8 is provided, and the second operation wire 8 is inserted into the hole, and is fixed by tightening a fixing screw 53. The second operation wire 8 is connected to the connecting portion side of the sliding portion 25. It is pulled out from one of the opening and the guide hole 24.

In FIG. 2, reference numeral 54 denotes a spring receiver for receiving the spring 52.

In the above construction, since the lock mechanism 5 is incorporated by providing the recess 21 and closed by the lid 22, and the lid 22 is flush with the lower member 13, the lock mechanism 5 is provided. While providing the lower side member 1
The lower surface of the shackle main body 1 can be easily inserted when the suspended object can be inserted into the insertion groove 11 of the shackle main body 1 as well as the lower surface can be made flat by eliminating the protruding object from the shackle body 1. It can be performed smoothly and smoothly.

Further, the connecting portion 2 of the shackle body 1
3, since the guide hole 24 is provided, as described above, by inserting the second operation wire 8 into the guide hole 24, the operation wires 7, 8 can be pulled upward to be remotely operated, and By inserting the first operation wire 7 into the guide hole 24, the operation wires 7, 8
Can be remotely controlled by pulling down.

The hanging tool 2 may use only a cross joint, but the one shown in FIG. 1 has a pair of flanged rollers 62 on a horizontal shaft 61 in a direction orthogonal to the shackle pin 3. , 63, a swivel 66 swingably supported by a joint pin 65 in a direction perpendicular to the horizontal axis 61, and a cross joint connected to the swivel 66 67.

The swivel 66 is preferably an insulating swivel having electrical insulation.

Next, a case will be described in which the operation of the shackle configured as described above is applied to a cross beam of a building structure.

The cross beam is mainly made of H-shaped steel, and a bolt hole for bolting to the column is provided in the flat plate portion in a direction perpendicular to the length direction. Then, it is hung horizontally to the beam connection part, and bolted to the column while keeping it horizontal.

In order to lift the cross beam, the flat plate portion is inserted into the insertion groove 11, and the shackle pin 3 is inserted into the hole by using the bolt hole, and the screw members 6 and 6 are operated. Insert it. By this insertion, the shackle pin 3 automatically engages with the engagement portion 51a of the lock body 51 and is locked at the closed position where the insertion groove 11 is closed.

At this time, the closed position of the shackle pin 3 is maintained even by the engagement of the locking body 36 with the engagement groove 34, and the lock is securely performed by the double lock with the lock body 51. Therefore, even if the second operation wire 8 for performing the unlocking operation of the lock body 51 is erroneously operated and the lock is released, the shackle pin 3 can be held in the closed position.

Further, when the cross beam is lifted to the position of the beam joint of the column, bolting work is performed while the beam is being lifted. However, the load of the cross beam is supported by the column, and there is no load. Even when the shackle pin 3 is locked, the shackle body 1 does not come off from the cross beam. Then, after the bolting work is completed,
The lock of the lock body 51 is released by the operation of the second operation wire 8, and then the shackle pin 3 is pulled up by the operation of the first operation wire 7 to open the insertion groove 11. The shackle body 1 is removed.

At this time, the shackle pin 3 which has been lifted upward is held at its upper position by the engagement of the engagement body 36 with the engagement groove 35, and the shackle pin 3 slides up and down. Despite the freely supported configuration,
The open state of the insertion groove 11 can be maintained.

In the above embodiment, the support 4 is
Although provided integrally with the shackle body 1, it may be formed separately and connected. The lock mechanism 5 is provided with a recess 21 in the lower member 13 of the shackle main body 1 and is incorporated in the recess 21. However, the lock mechanism 5 is provided separately from the shackle main body 1 and is coupled to the lower member 13. You may.

Further, the locking body 36 is constituted by a combination of a sphere and a spring, but may be constituted by using a leaf spring. Further, although the sliding operation is performed using the screw body for fixing the first operation wire 7 to the shackle pin 3, the operation body may be provided separately.

[0038]

According to the first aspect of the present invention, the shackle body 1 is provided with an insertion groove 11 for an object to be hung laterally open, and the hanging portion 12 is provided on the open side. A support 4 for the shackle pin 3 is integrally provided on a side of the shackle pin 3, and the shackle pin 3 is supported on the support 4 so as to be freely slidable in the vertical direction. Since the lock mechanism 5 is incorporated in the lower side member 13 of the eleventh embodiment, the object to be suspended can be lifted or moved horizontally with high safety. Even when working with no load, such as when bolting the cross beam, the shackle body 1 does not come off from the suspended object due to the lock of the shackle pin 3. Work safety is also to be ensured.

The support 4 is integrally provided on the side of the hanging portion 12 of the shackle body 1 and the lock mechanism 5 is incorporated in the lower side member 13. Can be integrated with the shackle main body without projecting outward of the leg pieces, and without protruding the lock mechanism. Therefore, there is no problem that the lifting operation is hindered by hitting an external object during the lifting operation.

According to the second aspect of the present invention, the engagement grooves 34, 3 are formed in the upper and lower portions of the shackle pin 3 in the sliding direction.
5 and the shackle body 1
A locking body 36 elastically engaged with one of the fourth and fourth members 35 is provided,
Since the shackle pin 3 is locked between the closed position and the open position, the closed state can be maintained double by the lock by the lock body 51 of the lock mechanism 5 in the closed position, and in the open position, Although the shackle pin 3 is configured to slide vertically, the open position thereof can be effectively maintained, and therefore, the work of inserting the suspended object into the insertion groove 11 can be performed smoothly.

According to the third aspect of the present invention, the lower side member 13 of the insertion groove 11 in the shackle main body 1 is provided with a concave portion 21 that opens downward.
1, the lock body 51 of the lock mechanism 5 is slidably mounted inside, and the outer surface of the lid 22 that closes the open side of the recess 21 is flush with the lower surface of the lower member 13.
While the lock mechanism 5 is provided, the lower surface of the shackle body 1 can be removed by eliminating the protruding object from the lower side member 13 so that the lower surface thereof can be flattened, and the hooked object can be reduced. This makes it possible to easily and smoothly perform the insertion operation when inserting into the insertion groove 11.

Further, according to the fourth aspect of the present invention, the first operating wire 7 for operating the shackle pin 3 is provided at the connecting portion 23 between the upper member 14 and the lower member 13 of the insertion groove 11 of the shackle body 1. And a guide hole 24 for the second operation wire 8 for operating the lock body 51 of the lock mechanism 5, an upper portion of the guide hole 24 is opened on an upper surface of the connecting portion 23, and a lower portion of the guide portion 24 is a sliding portion of the lock body 51. 25, and the sliding portion 25 is opened laterally outward of the connecting portion 23, so that the operating wires 8 are inserted through the guide holes 24 so that the operating wires 7, 8 are turned upward. It can be remotely operated by being pulled, and the operation wires 7 and 8 can be pulled down and remotely operated by inserting the operation wire 7 through the guide hole 24. That.

[Brief description of the drawings]

FIG. 1 is a side view showing an embodiment of the present invention.

FIG. 2 is a longitudinal sectional view thereof.

FIG. 3 is a sectional view taken along line AA of FIG. 1;

FIG. 4 is an exploded perspective view of a shackle pin and a lock body.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Shackle main body 2 Hanging tool 3 Shackle pin 4 Support body 5 Lock mechanism 7, 8 Operation wire 11 Insertion groove 12 Hanging part 13 Lower side member 14 Upper side member 21 Recessed part 22 Lid 23 Connection part 24 Guide hole 25 Sliding part 32 Lock groove 34 Engage groove 35 Engage groove 36 Lock body 51 Lock body

Claims (4)

(57) [Claims] An insertion groove (11) for an object to be suspended is opened laterally, extends upward to the open side, and a lifting device (2) is provided above the opening.
Shackle body (1) provided with a hanging portion (12) having
And the insertion groove (11) traversing the insertion groove (11).
A shackle pin (3) for closing the shackle pin, a support (4) for slidably supporting the shackle pin (3), and a lock mechanism (5) for locking the shackle pin (3) in its closed position. The shackle pin (3) is provided integrally with the support (4) adjacent to the suspension portion (12) of the shackle body (1).
Are slidably supported in the vertical direction, and the lock mechanism (5) is incorporated in the lower member (13) of the insertion groove (11) in the shackle body (1). Shackle 2. A shackle pin (3) is provided with engagement grooves (34) and (35) in the upper and lower portions in the sliding direction, and the shackle body (1) has one of the engagement grooves (34) and (35). The shackle according to claim 1, further comprising a locking member (36) elastically engaged with the shackle, wherein the shackle pin (3) is locked between the closed position and the open position. 3. An insertion groove (1) in a shackle body (1).
The lower side member (13) of (1) is provided with a recess (21) that opens downward, and the lock body (51) of the lock mechanism (5) is slidably housed in the recess (21). A lid (2) for closing the open side of the recess (21).
The shackle according to claim 1, wherein the outer surface of (2) is flush with the lower surface of the lower member (13). 4. An insertion groove (1) in a shackle body (1).
An operation wire (7) for operating a shackle pin (3) and a lock body (51) of a lock mechanism (5) at a connection portion (23) between the upper side member (14) and the lower side member (13) in 1).
The guide hole (24) of (8) is provided, and the guide hole (2) is provided.
4) The upper part is opened to the upper surface of the connecting part (23), the lower part is opened to the sliding part (25) of the lock body (51), and the sliding part (25) is connected to the connecting part (25). The shackle according to claim 1, wherein the shackle is opened laterally outward.