JP7249892B2 - Pole suspension jig and wire fixture - Google Patents

Description

TECHNICAL FIELD The present invention relates to a pillar hanging jig for erecting a pillar and a wire fixture for fixing a wire to a pillar. It relates to a pillar suspension jig and a wire fixture.

Conventionally, a method of suspending the top of a column using a lifting device such as a crane has been generally used for erecting a column. With this method, it is necessary to remove the wire attached to the top of the column after fixing the column with anchor bolts. It was expensive work.

For this reason, pillar suspension devices have been proposed for the purpose of eliminating the need to work at heights and improving safety. For example, Patent Literature 1 discloses an upper metal fitting provided with a hook hanging by a crane, a frame-shaped head connected to the lower part of the upper metal fitting via a wire, and a turnbuckle attached to the lower part of the head to extend the length. There has been proposed a post hanging device comprising a lower end fitting connected via an adjustable wire and a locking fitting to which the lower end fitting is detachable and fixed to the lower side surface of the post. According to this pillar hanging device, attachment/detachment to/from the pillar is performed at the lower side surface of the pillar, so that high-place work is not involved and safety is improved.

JP-A-6-272386

In the pillar hanging device described in Patent Document 1, when attaching the lower end metal fitting connected to the wire to the locking metal fitting, the locking metal fitting is tightened by inserting a bolt from below the lower end metal fitting. Therefore, a tool is required for attachment, and it takes time and effort to attach and detach the lower end metal fitting.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a pillar hanging jig that can be easily attached to a pillar and can securely hold and erect the pillar. is to provide
Another object is to provide a wire fixture that can be easily attached to a pole.

In order to solve the above problems, the pillar hanging jig of the present invention is a pillar hoisting jig which is connected to a hoisting device and erects a pillar having engaging portions with openings at the upper and lower ends attached to the sides thereof. a frame-shaped head member connected to a wire extending from the lifting device; a frame-shaped head member disposed below the head member, connected to the wire extending from the head member, and detachably fixed to the engaging portion of the column; and a wire fixture, the wire fixture having a base portion connected to the wire extending from the head member and a first locking piece inserted into an opening at the lower end of the engaging portion. and a second locking piece formed to be inserted into an opening at the upper end of the engaging portion, the second locking portion being provided movably in the vertical direction; and an urging portion that urges the second locking portion from the base portion toward the engaging portion.

When the wire fixing device is attached to the engaging portion of the post, the second locking portion of the wire fixing device is biased toward the engaging portion, so that the wire fixing device is securely attached without coming off the engaging portion. will be available. Further, by releasing the bias applied to the second locking portion, the operator can attach and detach the wire fixing device without using a tool, so that the post hanging jig can be easily attached.

In addition, to describe a suitable configuration for the above-mentioned pole hanging jig, it is desirable that the base portion of the wire fixture has an annular portion that is connected to the wire extending from the head member and that is rotatable about the vertical direction as a central axis. .
Since the ring part connected to the wire is rotatable, even if the wire is attached to the ring part of the wire fixture in a twisted state, the twist can be easily eliminated by rotating the ring part.

Further, to describe a suitable configuration for the above-mentioned post hanging jig, the wire fixture is attached to the second locking portion from the back side toward the front side so that the worker can grip the second locking portion. It is desirable to have a gripping portion provided to protrude from the bottom.
By providing the grip portion, for example, the operator can easily release the biasing force of the second locking portion while holding the grip portion.

Further, to describe a suitable configuration for the above-mentioned pillar hanging jig, the engaging portion is attached to the side surface of the pillar so that a plurality of openings are formed at the upper and lower ends by bending the plate member. a plurality of the first locking pieces are formed in the first locking portion corresponding to the plurality of openings at the lower end of the engaging portion; A plurality of the second locking portions are formed corresponding to the plurality of openings at the upper end of the engaging portion, and the first locking portion and the second locking portion are formed in the second locking portion. When the portion is urged from the base portion toward the engaging portion by the urging portion, the distance between the tip of the first locking piece and the tip of the second locking piece is equal to that of the engaging portion. It is desirable to be configured to be shorter than the length in the vertical direction.
By forming a plurality of first locking pieces and second locking pieces, the wire fixture can be more stably attached to the pillar.
Further, when the second locking portion is biased, the distance between the tip of the first locking piece and the tip of the second locking piece becomes shorter than the length of the engaging portion in the up-down direction. It becomes difficult for the locking piece and the second locking piece to come off from the upper and lower openings of the engaging portion.

In addition, according to the wire fixing device of the present invention, the wire fixing device is detachably fixed to the engaging portion that is attached to the side surface of the column and has openings at the upper and lower ends, and the wire fixing device and a first locking portion formed with a first locking piece inserted into the opening at the lower end of the engaging portion, and the opening at the upper end of the engaging portion a second locking portion formed with a second locking piece to be inserted and provided so as to be movable in the vertical direction; and .

When the wire fixing device is attached to the engaging portion of the post, the second locking portion of the wire fixing device is biased toward the engaging portion, so that the wire fixing device does not come off the engaging portion of the post. It will be attached to In addition, by releasing the bias applied to the second locking portion, the operator can attach and detach the wire fixture without using a tool, which facilitates attachment.

According to the pillar suspension jig of the present invention, it is possible to provide a pillar suspension jig that can be easily attached to a pillar and that can securely hold and erect the pillar.
Moreover, according to the wire fixture according to the present invention, it can be easily attached to a pillar.

It is a perspective view which shows the pillar suspension jig which concerns on this embodiment. It is a perspective view which shows the wire fixture of a pole hanging jig. FIG. 4 is a front view showing the wire fixture of the pole suspension jig, showing a state before the wire fixture is fixed to the pole. It is a front view which shows the wire fixture of a pole suspension jig, and is a figure which shows the state which fixed the wire fixture to the pole. FIG. 11 is a side view showing the wire fixture fixed to a pillar; FIG. 4 is a plan view showing the wire fixture fixed to a pillar; It is a figure which shows the state before erecting a pillar. It is a figure which shows the state in the middle of erecting a pillar. It is a figure which shows the state which lifted the pillar by the lifting apparatus. It is a figure which shows the state which made the column erect and fixed to the foundation.

A post hanging jig 10 according to one embodiment (hereinafter referred to as the present embodiment) of the present invention will be described below with reference to FIGS. 1 to 7D. In the following embodiments, the same or similar constituent elements are indicated by common reference numerals, and the scales of these drawings are appropriately changed for easy understanding.

Further, in the following description, as indicated by arrows in FIG. 1, the vertical direction means the vertical direction when the column hanging jig 10 is attached to the steel frame column 1, which is an erected column. The front and back of the wire fixing device 20 are defined as the back surface facing the steel frame column 1 when fixed to the steel frame column 1, and the front surface being the surface opposite to the steel frame column 1.例文帳に追加Also, the outer side and the inner side are defined with the steel column 1 as a reference. That is, the direction toward the center of the steel frame column 1 is defined as the inward direction, and the direction away from the center is defined as the outward direction.

FIG. 1 shows a steel frame column 1 as a column and a column suspension jig 10 attached to erect the steel frame column 1. As shown in FIG. In the present invention, a steel frame column 1 used for a building frame is erected by a lifting device from a state of being temporarily placed sideways, lifted and moved to a desired place, and then fixed in an upright state. It relates to a pillar hanging jig 10 used for

The steel frame column 1 erected by the column suspension jig 10 is a steel frame column having a rectangular cross section as shown in FIGS. An engaging portion 2 is attached. The engaging portion 2 is formed by bending a bent plate-like member as shown in FIGS.
Between the outer peripheral surface of the steel frame column 1 and the engaging portion 2, two vertically extending gaps formed by bending are formed, and two openings 2a and 2b are formed at the upper and lower ends, respectively. formed one by one. When installing a working floor (not shown), the engaging claws formed on the working floor are inserted into the openings 2a on the upper side of the engaging portion 2 to fix the working floor.
The engaging portions 2 are provided vertically at predetermined intervals on each side surface of the steel column 1 so that work floors can be installed at several heights as shown in FIG.

Since the engagement part 2 for installing the working floor is welded, there is no need to form holes for attaching the working floor and the ladder to the side surface of the steel frame column 1 conventionally. Further, since the work of forming a hole in the steel column 1 is time-consuming, it is desirable to use the previously provided engagement portion 2 of the steel column 1 in order to lift and move the steel column 1 . Moreover, since no holes are formed in the steel frame column 1, it is possible to obtain higher strength than in the case where holes are formed, which is preferable.
A column plate 30 for fixing to the foundation is provided at the lower end of the steel frame column 1 . At the four corners of the column plate 30, through holes 30a are formed through which anchor bolts 33 (see FIG. 7D) that fix the steel column 1 to the foundation 32 are passed.

The column lifting jig 10 is connected to a lifting device such as a crane (not shown) to erect the steel column 1 as a column. The post hanging jig 10 includes a head member 12 and a pair of wire fixtures 20. As shown in FIG. The head member 12 is a frame-shaped member, and is arranged at the upper end of the steel frame column 1 as shown in FIG. A pair of wire fixtures 20 are arranged below the head member 12 and are connected to the two wires 15, 15 extending from the head member 12, respectively. A pair of wire fixtures 20 are attached to the side surface of the steel frame column 1 and detachably fixed to the engaging portions 2 located in opposite directions. The position where the head member 12 is attached is not limited to the upper end of the steel column 1, and may be installed at a position where it can be erected by a crane, for example, near the center of the steel column 1. Moreover, the length L of the wire 15 is set to such a length that the head member 12 does not come off the top (upper end) of the steel column 1 when the steel column 1 is erected. In other words, the position of the upper end of the wire 15 when the steel column 1 is erected is set to be lower than the height H of the steel column 1 .

A stopper 13 is provided above the head member 12 . The stopper 13 prevents the head member 12 from falling downward when the wire 14 extending from the crane comes off. A hook 12a for hooking a hook 18 provided at the end of the wire 14 and a hook 17 provided at the end of the wire 15 is provided on the side of the head member 12. As shown in FIG.

As described above, the wire fixture 20 is a jig detachably fixed to the engaging portion 2 provided on the side of the steel frame column 1. As shown in FIGS. It has a base 21 that connects to a wire 15 extending from. The base portion 21 is a rectangular plate-shaped metal member, and is provided with support portions 22, 22 extending downward from both ends thereof.

The wire fixture 20 also has a first locking portion 23 provided at a position separated from the base portion 21 by a predetermined distance by the support portions 22 , 22 . At the upper end of the first locking portion 23, first locking pieces 23a, 23a to be inserted into the openings 2b, 2b of the lower end portion of the engaging portion 2 are formed.
The wire fixture 20 has a biasing portion 25 and a second locking portion 24 biased from the biasing portion 25 toward the engaging portion 2 . The second locking portion 24 is movable in the vertical direction, and the biasing portion 25 pushes the second locking portion 24 from the base portion 21 to the engaging portion 2 when attaching the wire fixture 20 to the engaging portion 2 . 4, and biased downward (in the direction of arrow B in FIG. 4). The second locking portion 24 has second locking pieces 24a, 24a to be inserted into the openings 2a, 2a at the upper end of the engaging portion 2 at its lower end.

As shown in FIGS. 2 to 6, the biasing portion 25 includes a shaft member 25b provided to be slidable in the vertical direction with respect to the base portion 21, and a shaft member 25b enclosing the base portion 21 and the second locking portion. and a spring 25a arranged between the portion 24 and the spring 25a. When attaching the wire fixture 20 to the steel frame column 1, the worker pushes up the second locking portion 24 of the wire fixture 20 upward (in the direction of arrow A in FIG. 3) as shown in FIG. In a state in which the second locking portion 24 is pushed up, that is, in a state in which the biasing force of the second locking portion 24 to the engaging portion 2 is released, the tip of the first locking piece 23a and the second locking piece 24a The distance D1 from the tip is longer than the length L1 of the engaging portion 2 in the vertical direction. Therefore, the engaging portion 2 can be arranged between the first locking portion 23 and the second locking portion 24 .
After arranging the engaging portion 2 between the first locking portion 23 and the second locking portion 24, the operator stops pushing up the urging portion 25, and the urging portion 25 is held by the second locking portion. By urging 24, the second locking portion 24 is moved downward (in the direction of arrow B in FIG. 4). The first locking pieces 23a, 23a of the first locking portion 23 are inserted into the openings 2b, 2b on the lower end side of the engaging portion 2, respectively, and the second locking pieces 23a, 23a of the second locking portion 24 24a, 24a are inserted into the openings 2a, 2a on the upper end side of the engaging portion 2. As shown in FIG.

Then, as shown in FIG. 4, the distance D2 between the tip of the first locking piece 23a and the tip of the second locking piece 24a is shorter than the length L1 of the engaging portion 2. As shown in FIG. Since the second locking portion 24 is biased by the biasing portion 25, the first locking pieces 23a, 23a and the second locking pieces 24a, 24a are engaged with the upper and lower openings 2a, 2b of the engaging portion 2. Therefore, the wire fixture 20 can be reliably fixed to the engaging portion 2 .

A grip portion 26 is formed on the second locking portion 24 so as to protrude from the back side to the front side. The grip portion 26 makes it easier to push up the second locking portion 24 when the wire fixture 20 is attached to or removed from the steel frame column 1 . Therefore, attachment can be performed more easily.

The base portion 21 has an annular portion 27 for hooking a hook 16 provided at the lower end of the wire 15 extending from the head member 12 . The annular portion 27 is fixed to the upper surface of the base portion 21 . The annular portion 27 may be fixed to the base portion 21 so as to be rotatable in the direction of arrow D in FIG. 6 with the vertical direction as the central axis. By rotatably attaching the annular portion 27 , for example, even if the wire 15 is twisted after the hook 16 is hooked, the twist can be eliminated by rotating the annular portion 27 .

In this embodiment, two first locking pieces 23a of the first locking portion 23 and two second locking pieces 24a of the second locking portion 24 are provided. One or three or more second locking pieces 24 a may be provided according to the number of openings 2 a and 2 b of the engaging portion 2 . By providing a plurality of the first locking pieces 23a and the second locking pieces 24a, the wire fixture 20 can be stably attached to the engaging portion 2 without being tilted.

7A to 7D show how the post hanging jig 10 of this embodiment is used. As shown in FIG. 7A, the pillar hanging jig 10 is attached to the steel frame pillar 1 temporarily placed on the sleeper 31 in a sideways state. First, the head member 12 is mounted so as to cover the upper end portion of the steel frame column 1 when erected.

After mounting the head member 12 , the head member 12 and the wire fixture 20 are connected by the wire 15 . If hooks 16 and 17 having hook mechanisms are provided at both ends of the wire 15 , the wire 15 can be easily attached to the head member 12 and the wire fixture 20 . Then, the wire fixture 20 is attached to the engaging portion 2 positioned below when the steel column 1 is erected.

Head member 12 is then connected to the crane via wire 14 . Then, the crane is operated and the head member 12 is lifted. As shown in FIG. 7B, when the head member 12 is lifted, the steel column 1 gradually rises. Until the steel frame column 1 is erected, it is pulled up by a crane.

After erecting the steel column 1, as shown in FIG. 7C, the steel column 1 is further lifted by a crane and moved to a place where the steel column 1 is installed. After moving the steel column 1 to the foundation 32 to be installed, as shown in FIG. fixed to The wire fixture 20 is removed from the engaging portion 2 of the steel column 1 . At this time, the operator can remove the wire fixture 20 simply by pushing up the second locking portion 24, so that the wire fixture 20 can be easily attached and detached without spending time and effort.

The connection between the hook 16 of the wire 15 and the wire fixture 20 is released, and then the head member 12 is further lifted by a crane and removed. Since the head member 12 only covers the top of the steel column 1, it can be removed by simply lifting it upward (in the direction of arrow D in FIG. 7D) with a crane. Since the worker removes the pillar hanging jig 10 under the steel frame pillar 1, it is safe because it does not involve work at height.

In the above embodiment, the post suspension jig 10 and the wire fixture 20 according to the present invention have been mainly described. Although the steel frame column 1 is targeted in the embodiment, the column hanging jig 10 may be used not only for the steel frame column 1 but also for erecting a wooden column. Moreover, the above embodiment is merely an example for easy understanding of the present invention, and does not limit the present invention. The present invention can be modified and improved without departing from its spirit, and the present invention includes equivalents thereof.

1 Steel column (column)
2 Engagement Part 2a Opening 2b Opening 10 Post Hanging Jig 12 Head Member 12a Hook Hook 13 Stopper 15 Wire 16, 17, 18 Hook 20 Wire Fixing Tool 21 Base 22 Supporting Part 23 First Locking Part 23a First Hook Stop piece 24 Second locking part 24a Second locking piece 25 Biasing part 25a Spring 26 Grasping part 27 Annular part 30 Column plate 31 Crosstie 32 Foundation 33 Anchor bolt

Claims (5)

A pillar lifting jig for erecting a pillar connected to a hoisting device and having engagement portions having openings at the upper and lower ends attached to the sides thereof,
a frame-shaped head member connected to a wire extending from the lifting device;
a wire fixture disposed below the head member, connected to a wire extending from the head member, and detachably fixed to the engaging portion of the column;
The wire fixture is
a base coupled with a wire extending from the head member;
a first locking portion formed with a first locking piece to be inserted into the opening of the lower end of the engaging portion;
a second locking portion having a second locking piece inserted into an opening at the upper end of the engaging portion and provided to be movable in the vertical direction;
and an urging portion that urges the second locking portion from the base portion toward the engaging portion. 2. The post suspension jig according to claim 1, wherein the base portion of the wire fixture has an annular portion connected to the wire extending from the head member and rotatable about a vertical direction as a central axis. The wire fixture is characterized in that it has a gripping portion provided so as to protrude from the back side toward the front side of the second locking portion so that a worker can grip the second locking portion. The pole hanging jig according to claim 1 or 2. The engaging part is attached to the side surface of the column so that a plurality of openings are formed at the upper and lower ends by bending the plate-like member,
a plurality of the first locking pieces are formed in the first locking portion corresponding to the plurality of openings at the lower end of the engaging portion;
a plurality of the second locking pieces are formed in the second locking portion corresponding to the plurality of openings at the upper end of the engaging portion;
The first locking portion and the second locking portion are configured such that when the second locking portion is biased from the base toward the engaging portion by the biasing portion, the first locking piece The column according to any one of claims 1 to 3, characterized in that the distance between the tip and the tip of the second locking piece is shorter than the vertical length of the engaging portion. hanging jig. A wire fixture that is detachably fixed to an engaging part that is attached to the side surface of a pillar and has openings at the upper and lower ends,
a base that connects with the wire;
a first locking portion formed with a first locking piece to be inserted into the opening of the lower end of the engaging portion;
a second locking portion having a second locking piece inserted into an opening at the upper end of the engaging portion and provided to be movable in the vertical direction;
and a biasing portion that biases the second locking portion from the base portion toward the engaging portion.

Images