JP2007239231A - Suspending tool - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a suspending tool easily attachable to and detachable from a roof panel while having a slipping-out checking mechanism part, capable of coping with a case by one kind of a simple structure even if a form of an edge part such as the roof panel is different in a tool installing place, and safely removing the suspending tool from the eaves edge side of the roof panel without a scaffold. <P>SOLUTION: This slipping-out checking mechanism part 5 is composed of a slipping-out checking cam 6 and a spring 7 energizing the cam toward the slipping-out checking position side from the hooking allowable position side, and has two kinds of first and second hooking parts 3 and 9. The respective hooking parts form a slipping-out checking state and a hooking allowable state by the cam 6 and the spring 7, and have a lock mechanism 10 locking the cam 6 in a removing position. A string 14 is connected to a rotary operation lever part 6b of the cam 6, and an idle rotation roller 15 is arranged in the cam 6. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a hanging jig that is hooked on an edge of a suspended object such as a roof panel and is used to lift the suspended object with a crane or the like.

For example, various types of hanging jigs have been provided in the past, such as when a roof panel with rafters attached to the underside of a field board is lifted by a crane and installed in a building. A hanging jig that is hung on the edge of the roof panel installed in an inclined state is prevented from coming off due to the loosening of the hanging wire, that is, a detachment prevention mechanism is provided. Things are also provided.
JP2002-242440

  However, in the conventional hanging jig, the disengagement prevention mechanism portion is generally made of a screw type using screw holes and bolts, and there is a problem that it takes time to attach and detach the object to be suspended. It was.

  In general, the lifting is performed by hooking a lifting jig at a plurality of positions on the edge of one hanging object, but the shape of the edge of the hanging object differs depending on the position where the hanging jig is hooked. However, there is a problem in that it is not easy to manage the hanging jigs because a plurality of types of hanging jigs must be used so that the hanging jigs can be hooked at the respective locations.

  Furthermore, when the object to be hung is a roof panel, the work of removing the lifting jig attached to the eaves side of the roof panel installed at the height of the building in a blocked state from the roof side without a scaffold is as follows: It was dangerous.

  In view of the above-described conventional problems, the present invention can be easily attached to and detached from a suspended object while being provided with a disengagement prevention mechanism, and the shape of the edge of the suspended object is suspended. Even if it is different depending on where the equipment is attached, one type of simple structure can be used, and there is no scaffold even if the suspended object is a roof panel and is located on the eaves side after installation in the building. It is an object to provide a hanging jig that can be safely removed.

The above-described problem is a hanging jig that is hooked on the edge of a suspended object and used to suspend the suspended object,
A suspension connecting portion that connects the suspension means, a hook portion that is removably hooked to the suspension target, and a detachment prevention mechanism portion that prevents the suspension target from being detached from the suspension target in the state of being hooked on the suspension target. ,
The detachment prevention mechanism section includes a detachment prevention cam provided so that the rotation position can be changed between the detachment prevention position and the hooking allowable position, and the detachment prevention cam from the hooking allowable position side to the detachment prevention position side. Urging means for urging in the rotational direction toward
A detachment prevention state is formed by the detachment prevention cam by the urging force of the urging means, and the detachment prevention cam is rotationally displaced toward the hooking allowable position side against the urging force of the urging means to allow the hooking. The problem is solved by a hanging jig characterized in that the state is formed (first invention).

  Since this suspending jig is provided with a detachment prevention mechanism portion by a detachment prevention cam and an urging means, the detachment prevention cam resists the urging force of the urging means when the suspension object is attached to the edge. If the hooking portion is hooked on the edge of the object to be hung, and the disengagement prevention cam is rotated in the return direction by the biasing force of the biasing means. Well, it is attached to the object to be hung up, and it is attached to the object to be hung, and the detachment cam is rotated toward the hooking allowable position side against the urging force of the urging means. If it is in a displaced state, the hooking portion can be removed from the edge of the suspended object, and the urging force by the urging means is applied to the detachment prevention cam while having the detachment prevention mechanism portion. Suspend the lifting jig with simple operation that resists rotation It can be easily detached with respect to the object.

  In the first aspect of the present invention, a second hooking portion having a form different from that of the hooking portion is provided, and the detachment preventing state and the hooking allowable state of the second hooking portion are provided by the detachment preventing cam and the urging means. Are preferably formed (second invention).

  Since this hanging jig is provided with a plurality of hooking portions including the second hooking portion, even if the shape of the edge of the hanging object differs depending on the location where the hanging jig is attached, It can be handled by a hanging jig, and the hanging jig can be easily managed.

  In addition, the disengagement prevention state and the engagement permissible state of the second hooking portion are the above-described hooking portions, that is, the disengagement prevention cam formed by the first hooking portion and the disengagement allowable state, and the attachment. Since it is formed by the urging means, it is possible to simplify the structure of the suspension jig with a small number of components.

In said 1st, 2nd invention, a suspended | suspended object consists of a roof panel installed in an inclined state,
The hooking portion can be hooked on the lower edge of the roof panel in the inclination direction, and the slip-off preventing cam is located on the upper surface side of the roof panel in the hooked state, and the slip-off preventing state by the slip-off preventing cam and the urging means. Is made to form,
A lock mechanism is provided for locking the disengagement prevention cam at the disengagement position beyond the hooking allowable position, and the disengagement prevention cam is provided with a rotation operation lever portion, and a rope for rotation operation is connected to the operation lever portion. The detachment prevention cam is locked by the locking mechanism at the detaching position by pulling the rope from the upper side in the inclination direction of the panel installed in the inclined state against the urging force by the urging means. When the rope is loosened, it should be detached from the panel using its own weight and the inclination of the panel.

  In this hanging jig, when the hanging jig is attached to the eaves side of the roof panel installed in the building, by pulling the rope from the roof ridge side and locking the blocking cam with the locking mechanism, When the detachment prevention cam is held in the removal position and the cable is loosened in the locked state, the suspension jig is detached from the roof panel using the weight of the suspension jig and the inclination of the roof panel. Can be removed easily and safely.

  In the suspension jig according to the third aspect of the present invention, when the slip prevention cam is provided on the slip prevention cam, and the slip prevention cam is locked by the lock mechanism at the release position, the slip roller contacts the upper surface of the panel by its own weight. When it is made to contact | connect (4th invention), the hanging jig | tool attached to the eaves side of the roof panel installed in the building can be smoothly removed from the eaves end by the effect | action of an idler roller.

  Since the hanging jig of the present invention is as described above, it can be easily attached to and detached from the object to be hung while being provided with a disengagement prevention mechanism. Moreover, even if the form of the edge of the object to be hung differs depending on the location where the hanging jig is attached, it can be handled with one type of simple structure. Furthermore, even if the suspended object is a roof panel and is located on the eaves side after installation in the building, it can be safely removed without a scaffold.

  Next, the best mode for carrying out the present invention will be described with reference to the drawings.

  The suspension jig 1 of the embodiment shown in FIG. 1 and FIG. 2 has a roof panel 22 that constitutes a close-up roof 21 as shown in FIG. As shown in FIG. 8 (b), the base plate 23 is formed of a triangular shape having a rafter 24 attached to the lower surface of the base plate 23. The two portions of the base plate 23 avoiding the rafters 24, It has a structure in which it is necessary to hang the suspension jigs 1... On each of the three edges in total, one overlapping portion with the rafter 24.

  Therefore, in the hanging jig 1, as shown in FIGS. 1 and 2, the jig body 2 includes a first hook portion 3 that hooks a portion of the field plate 23, and an overlapping portion of the field plate 23 and the rafter 24. A second hooking portion 9 is provided, and the second hooking portion 9 is provided with a claw portion 9a that engages with the rafter 24 so as to be stably hooked on the overlapping portion of the base plate 23 and the rafter 24. .

  In addition, the jig body 2 is provided with an arm-shaped gripping portion 26, and a suspension connecting portion 4 is provided at the tip of the gripping portion 26. It is made to be able to connect the wires.

  The jig body 2 is configured to constitute a detachment prevention mechanism section 5, and a detachment prevention cam 6 is pivotally mounted 8 on the proximal end side of the grip section 26 of the jig body 2. The disengagement prevention cam 6 can change its rotational position into a disengagement prevention position indicated by a solid line in FIG. 2 (a) and a hooking allowable position indicated by a virtual line in FIG. 2 (a). The spring 7 as a biasing means urges the detachment prevention cam 6 in the rotational direction from the hooking allowable position side to the detachment prevention position side by the urging force, and the detachment prevention cam 6 is moved to the side of the detachment prevention position. It is made to wait at.

  The disengagement prevention cam 6 is provided with an operation lever portion 6b extending from the cam main body portion 6a. When the disengagement prevention cam 6 is positioned on the disengagement prevention position side, the operation lever portion 6b is located on the jig body 2. When the operating lever portion 6b and the gripping portion 26 are gripped and the operating lever portion 6b is moved toward the gripping portion 26 with the pivoting portion 8 as a center, the disengagement prevention cam 6 is moved away from the gripping portion 26. A rotational displacement is made on the side of the hooking allowable position.

  As shown in FIG. 2B, a lock mechanism 10 is provided for locking the disengagement prevention cam 6 at a disengagement position beyond the hooking allowable position. The lock mechanism 10 has a lock hole 13 provided at a position near the tip of the operation lever portion 6 b of the disengagement prevention cam 6 in a lock piece 11 provided at a position near the tip of the grip portion 26 of the jig body 2. It is made to engage and lock.

  That is, as shown in FIG. 3 (a), the lock piece 11 is passed through a hole 26a provided in the grip portion 26 of the jig body 2, and is received on one side sandwiching the hole 26a. A lock claw portion 11a with 11b is provided, and the other side sandwiching the hole 26a is a lock release operation portion 11c.

  The compression coil spring 12 is interposed between the unlocking operation portion 11c and the gripping portion 26, and the operation lever portion 6b of the disengagement prevention cam 6 is held by the gripping portion 26, as shown in FIGS. When the control lever portion 6b is moved toward the side, the operating lever portion 6b opens the locking claw portion 11a outwardly against the urging force of the spring 12 using the inclined portion 11b, and the locking claw portion 11a is prevented from coming off. When it coincides with the lock hole 13 of the operation lever portion 6b of the cam 6, it is projected into the lock hole 13 by the urging force of the spring 12, and a locked state is formed. Further, as shown in FIG. 3C, when the unlocking operation portion 11c is pushed inward against the biasing force of the spring 12 in the locked state, the locking claw portion 11a locks the operation lever portion 6b. It is extracted from the hole 13 and the locked state is released.

  Further, a string 14 as a rope is connected to the distal end side of the operation lever portion 6b of the disengagement prevention cam 6. By pulling the string 14, the disengagement cam 6 is removed from the disengagement prevention position side. The detachment prevention cam 6 is locked by the lock mechanism 10 by being rotationally displaced to the position.

  Further, as shown in FIGS. 1 and 2, an idle roller 15 is attached to the cam main body portion 6a of the come-off preventing cam 6, and the come-off roller 15 is connected to the come-off preventing cam 6 as shown in FIG. As shown in FIG. 2, when it is located at the release position as shown in FIG. 2 (b) from the position at the release prevention position side or at the hooking allowable position side, it protrudes toward the first hook portion 3 side. Has been made to advance into.

  The lifting of the roof panel 22 is performed by attaching the above-mentioned three lifting jigs 1 to the roof panel 22, and the two hanging jigs 1 are attached as shown in FIG. The operating lever portion 6b of the tool 1 is gripped toward the gripping portion 26, the disengagement cam 6 is positioned at the hooking allowable position, and the first hooking portion 3 is moved to the eaves side of the base plate 23 of the roof panel 22 in this state. When the hand is released after being hooked on the portion to become, as shown in FIG. 4 (b), the come-off prevention cam 6 is rotated to the side of the come-off prevention position by the biasing force of the spring 7, and the cam body 6a is moved to the base plate The upper surface portion 23 is depressed, and the suspension jig 1 is prevented from coming off from the roof panel 22.

  Further, as shown in FIG. 6 (a), the remaining one hanging jig 1 can be attached by holding the operating lever portion 6b and the holding portion 26 of the hanging jig 1 and hooking the disengagement prevention cam 6. In this state, the second hook 9 is hooked on the ridge side portion of the roof panel 22 where the base plate 23 and the rafter 24 overlap, and then released, as shown in FIG. The disengagement prevention cam 6 is rotated to the disengagement prevention position side by the urging force of the spring 7, and the cam main body 6 a is pressed into the upper surface portion of the field plate 23, and the hanging jig 1 is disengaged from the roof panel 22. It becomes a blocking state.

  As shown in FIG. 4 (c) and FIG. 6 (c), a suspension wire 25 as suspension means is coupled to the suspension connection portion 4 of each suspension jig 1 attached to the roof panel 22 in this manner. If 25 is pulled up with a crane etc. which is not shown in figure, the roof panel 22 will be in a suspended state and can be conveyed to the predetermined installation position of a building.

  Thereafter, even when the suspension wire 25 is loosened due to the roof panel 22 being placed on the building in an inclined state, the suspension jig 1 attached by hooking the first hook 3 to the eaves side of the roof panel 22 is The cam body 6a of the disengagement prevention cam 6 is pressed against the upper surface of the base plate 23 by the urging force of the spring 7, so that it does not fall off the eaves side and of course the roof panel. Also with respect to the hanging jig 1 attached by hooking the second hooking portion 9 to the ridge side of 22, the cam main body portion 6 a of the disengagement prevention cam 6 pressed down the upper surface portion of the field plate 23 by the biasing force of the spring 7. By being in a state, it will not come off from the building side.

  And when removing the eaves side hanging jig 1 from the roof panel 22, as shown in FIG. 5 (d), the detachment prevention cam 6 is pulled by pulling the string 14 previously extended to the ridge side from the ridge side. Is placed in the removal position and locked by the lock mechanism 10. As a result, the cam main body 6a of the disengagement prevention cam 6 that has pressed down the upper surface side of the field plate 23 is retracted, and the free roller 15 comes into contact with the upper surface portion of the field plate 23 due to its own weight. The suspension jig 1 is detached from the roof panel 22 while rotating the idler roller 15 using its own weight and the inclination of the roof panel 22, and is suspended under the eaves by the string 14, as shown in FIG. If the string 14 is pulled to the roof side as shown in FIG. 5 (f) from that state, the hanging jig 1 can be collected on the roof, and the hanging jig 1 is attached to the eaves of the roof panel 22. It can be safely collected from the side without a scaffold.

  Further, as shown in FIG. 7D, the suspension jig 1 attached to the ridge side of the roof panel 22 grips the operation lever portion 6b of the suspension jig 1 toward the grip portion 26 to prevent the suspension jig 1 from coming off. The cam 6 is positioned at the hooking allowable position, and in this state, the second hooking portion 9 is removed from the overlapping portion of the roof plate 22 and the rafters 24 as shown in FIG. That's fine.

  As described above, the suspension jig 1 is provided with the come-off prevention cam and the spring as the come-off prevention mechanism, and therefore the rotation operation against the urging force of the spring 7 is performed on the come-off prevention cam 6. The suspension jig 1 can be easily attached to and detached from the roof panel 22 with a simple operation.

  Further, the first hook 3 hooked on the edge of the portion of the field plate 23 of the roof panel 22 and the second hook hooked on the edge of the overlapping portion of the field plate 23 and the rafters 24 on one hanging jig 1. Since it is provided with the portion 9, it can be hooked to each edge with one type of hanging jig 1, and the disengagement preventing state and the hooking allowable state in the second hooking portion 9 are: Since the first hook 3 is formed by the disengagement prevention cam 6 and the spring 7 which form the disengagement prevention state and the engagement permissible state, the suspension jig 1 has a simple structure with a small number of components. Can be.

  Although the embodiment of the present invention has been described above, the present invention is not limited to this, and various modifications can be made without departing from the spirit of the invention. For example, in the above embodiment, the case where the first and second hooks 3 and 9 having different forms are provided in one hanging jig 1 is shown. There may be three or more types of hooks with three or more different forms, or two or more types with three or more hooks. Also good.

  In the above embodiment, the case where the suspended object is a roof panel has been shown. However, the suspended object is not limited, and various suspended objects including an edge portion on which the suspended object can be hooked. The hanging part provided in the hanging jig may be in various forms according to the form of the edge of the suspended object.

  Moreover, there is no restriction | limiting in the specific form of a disengagement prevention cam or an urging | biasing means, and in the suspension jig | tool of 1st, 2nd invention, a lock mechanism, a rope, etc. are not essential structural members.

Drawing (a) and figure (b) are perspective views showing a hanging jig of an embodiment, respectively. Fig. (A) is a front view showing the case where the operating lever portion of the suspension jig detachment prevention cam is in the detachment prevention position and the hooking allowable position, and Fig. (B) is the operation lever portion in the detaching position. It is a front view which shows the state locked. FIGS. 1A to 1C are cross-sectional front views showing the lock mechanism and its operating state. Drawing (a)-figure (C) are front views which show sequentially the attaching / detaching method of the hanging jig with respect to the edge by the side of the eaves of a roof panel with Drawing 5 (d)-(f). Drawing (d)-figure (f) are front views which show sequentially the attachment / detachment method of the hanging jig with respect to the edge of the eaves side of a roof panel with Drawing 4 (a)-(c). Drawing (a)-figure (C) are front views which show sequentially the attachment / detachment method of the hanging jig to the edge of the ridge side of a roof panel with Drawing 7 (d) (e). FIGS. 6 (a) and 6 (e) are front views sequentially showing a method for attaching and detaching the hanging jig to / from the ridge side of the roof panel together with FIGS. 6 (a) to 6 (c). FIG. 1 (a) is a plan view of the roof of the building, and FIG. 2 (b) is a plan view of the roof panel constituting the roof.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Hanging jig 3 ... 1st hook part (hook part)
DESCRIPTION OF SYMBOLS 4 ... Hanging connection part 5 ... Detachment prevention mechanism part 6 ... Detachment prevention cam 6b ... Operation lever part 7 ... Spring (biasing means)
9 ... 2nd hook part 10 ... Locking mechanism 14 ... String (string)
15 ... Rolling roller 22 ... Roof panel (hanging object)
25 ... Hanging wire (suspending means)

Claims (4)

A hanging jig that is hooked on an edge of a suspended object and used to suspend the suspended object,
A suspension connecting portion that connects the suspension means, a hook portion that is removably hooked to the suspension target, and a detachment prevention mechanism portion that prevents the suspension target from being detached from the suspension target in the state of being hooked on the suspension target. ,
The detachment prevention mechanism section includes a detachment prevention cam provided so that the rotation position can be changed between the detachment prevention position and the hooking allowable position, and the detachment prevention cam from the hooking allowable position side to the detachment prevention position side. Urging means for urging in the rotational direction toward
A detachment prevention state is formed by the detachment prevention cam by the urging force of the urging means, and the detachment prevention cam is rotationally displaced toward the hooking allowable position side against the urging force of the urging means to allow the hooking. A hanging jig characterized in that a state is formed.   A second hooking portion having a different form from the hooking portion is provided, and a detachment preventing state and a hooking allowable state of the second hooking portion are formed by the detachment prevention cam and the urging means. The hanging jig according to claim 1, which is configured as described above. The hanging object consists of a roof panel installed in an inclined state,
The hooking portion can be hooked on the lower edge of the roof panel in the inclination direction, and the slip-off preventing cam is located on the upper surface side of the roof panel in the hooked state, and the slip-off preventing state by the slip-off preventing cam and the urging means. Is made to form,
A lock mechanism is provided for locking the disengagement prevention cam at the disengagement position beyond the hooking allowable position, and the disengagement prevention cam is provided with a rotation operation lever portion, and a rope for rotation operation is connected to the operation lever portion. The detachment prevention cam is locked by the locking mechanism at the detaching position by pulling the rope from the upper side in the inclination direction of the panel installed in the inclined state against the urging force by the urging means. The hanging jig according to claim 1 or 2, wherein when the rope is loosened, it is detached from the panel by utilizing its own weight and the inclination of the panel.   An idler roller is provided on the detachment prevention cam, and when the detachment prevention cam is locked by a lock mechanism at the detaching position, the idler roller comes into contact with the upper surface portion of the panel by its own weight. 3. The hanging jig according to 3.

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