JPH115692A - Device and method for hoisting air-conditioner outdoor machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a device for hoisting an air-conditioner outdoor machine to a setup spot safely using a clamping member consisting of a bolt or a nut for this outdoor machine installed in the underside of a building overhanging part or the like, and its method in combination. SOLUTION: A hoisting gear 1 is equipped with a body 2, two engaging means 3 for setting this body 2 to four clamping members 21 from the horizontal direction, a hoisting means 4, and a winch unit 5 operating this hoisting means 4 for lifting up and down, respectively. Then, the body 2 is attached to these clamping members 21 from the horizontal direction, and then an air-conditioner outdoor machine 23 is lifted up by the hoisting means 4, attaching it to these clamping members 21, and successively the hoisting gear 1 is removed away in the horizontal direction from the clamping members 21.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lifting device for use when attaching an air conditioner outdoor unit to a fastening member provided on a lower surface of a building overhang or the like with a support member, and a lifting device using the lifting device. It concerns the above method.

[0002]

2. Description of the Related Art An air conditioner (hereinafter, referred to as an air conditioner) for cooling or heating a room is generally constituted by an air circulation device (or an air blowing device) installed indoors of a building and an air conditioner outdoor unit installed outdoors. . Such installation of the air conditioner outdoor unit is not a problem when there is an installation space around the building, but it is difficult to secure such a space in an apartment or the like. Therefore, the air conditioner outdoor unit is usually installed on the veranda, but there is a problem that the use space of the veranda is reduced by that much.
In order to avoid such a problem, a method of installing an outdoor unit of an air conditioner below a veranda on an upper floor has been often adopted. In order to install the air conditioner outdoor unit on the underside of the building overhang such as a veranda, a fastening member such as an anchor bolt or an anchor nut is attached to the underside of the building overhang in advance, and the fastening is performed using a support material. An air conditioner outdoor unit is attached to the member and installed.

[0003]

However, when the air conditioner outdoor unit is attached to a fastening member attached to the lower surface of the overhang of the building with a support member, the air conditioner outdoor unit weighs about 50 kg in a narrow and high place. Must be manually lifted and positioned using a stepladder in an unstable state to perform the mounting operation. Therefore, three or more workers are usually required, and work efficiency is low, and there is concern about safety. Accordingly, an object of the present invention is to provide a lifting device for an air conditioner outdoor unit that can solve such a problem, and a lifting method using the lifting device.

[0004]

According to the first aspect of the present invention, a plurality of fastening members 21 are provided on a lower surface of a building overhang 20 or the like so as to be vertically movable. A lifting device for use when the air conditioner outdoor unit 23 is attached to the lower surface by the support members 24 and 25 via the respective fastening members 21. The lifting device is provided on the main body 2 and the main body 2. A plurality of engaging means 3 for attaching and detaching the two to and from the plurality of fastening members 21 in a direction orthogonal to the axis thereof; a lifting means 4 of an air conditioner outdoor unit 23 provided on the main body 2; A lifting device for raising and lowering the air conditioner, wherein the air conditioner outdoor unit 23 is lifted by the lifting means 4 in a state where the main body 2 is attached to the fastening member 21. The upper device. By using the lifting device of the above invention, an outdoor unit of an air conditioner can be efficiently and quickly and safely attached to a lower surface of a building overhang or the like by a single person even in a narrow place. Moreover, since the lifting device is attached to the lower surface of the building overhang or the like using a plurality of fastening members for attaching the air conditioner outdoor unit, there is no need to provide a dedicated fastening member. After the air conditioner outdoor unit is almost completely attached, the lifting device can be removed from the fastening member.

The second aspect of the present invention is the embodiment of the first aspect of the present invention, in which four bolts as fastening members 21 are screwed into respective square corners on the lower surface. In the above, each of the engaging means 3 is a lifting device for an outdoor unit of an air conditioner in which the main body 2 can be attached to and detached from the two fastening members 21 on diagonal lines from a direction perpendicular to the axis. With this configuration, the main body can be more quickly and stably and reliably mounted on the fastening member. The invention described in claim 3 is an embodiment of the invention described in claim 2, wherein the engaging means 3 has a cut portion 15a extending from one end of the main body 2 in the longitudinal direction of the main body. This is a lifting device for an air conditioner outdoor unit including a first hooking portion 15 and a second hooking portion 16 having a notch 16a extending in a direction perpendicular to the other end of the main body 2. With this configuration, the structure of the lifting device can be simplified, and the main body can be stably and reliably mounted on the fastening member.

According to a fourth aspect of the present invention, there is provided the
Fastening members 21 which are screwed up and down freely on the lower surface of
A method for lifting the air conditioner outdoor unit 23 when the air conditioner outdoor unit 23 is attached using the support members 24, 25, and the main body 2 of the lifting device according to any one of claims 1 to 3. Is attached to the plurality of fastening members 21 from the side, and the air conditioner outdoor unit 23 is lifted to a predetermined position by the winch device 5, and then the air conditioner outdoor unit 23 is attached to the fastening members 21 by the support members 24 and 25, and then the lifting device A method of lifting an outdoor unit of an air conditioner, characterized in that the main body 2 is detached sideways from each fastening member 21 and removed. According to the above method, an air conditioner outdoor unit can be efficiently and quickly and safely attached to a lower surface of a building overhang or the like by a single person even in a narrow place, and the lifting device can be easily removed from the fastening member after use. Can be.

[0007]

Next, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view showing an example of a lifting device according to the present invention. The lifting device 1 is orthogonal to the axis of a main body 2 and a plurality of fastening members screwed to the lower surface of the building overhang. A plurality of engaging means 3 for detaching from each other
And a lifting means 4 provided on the main body 2 and a winch device 5 for raising and lowering the lifting means 4. In this example, the main body 2 is formed of a C-type steel material, and is used with its opening downward. The lifting means 4 includes a fastening band 6, a plate member 7 that horizontally holds an upper portion of the fastening band 6, and a fastening band 6.
Is provided with an adjustment buckle 8 which can fasten the end portion and adjust the length thereof.

The winch device 5 has a pulley 9 fixed to an intermediate portion of the main body 2 by bolts or the like, a winding portion 10 provided at one end of the main body 2, and the winding portion 10. And a wire 1 having one end connected to the plate 7
1 and a rotating means 12 for rotating the winding part 10. The rotating means 12 has a DC motor 13 with a speed reducer capable of reversible rotation and an operation unit 14. The operation unit 14 is provided with a forward rotation button and a reverse rotation button on its surface, and supplies power to the DC motor 13 inside. A battery is housed as a DC power supply for performing the operation. Note that the battery can be housed in a battery box provided separately. Engaging means 3 includes main body 2
A first engaging portion 15 having a notch 15a extending longitudinally from one end of the main body 2 and a second engaging portion 16 having a notch 16a extending perpendicularly from the other end of the main body 2.
It consists of. As will be described later, these cut portions 15a and 16a have such a width that a shaft portion of a bolt as a fastening member 21 screwed to the lower surface of the building overhang portion 20 can be inserted.

FIG. 2 is a perspective view showing a state in which the lifting device 1 is mounted on a fastening member provided on the lower surface of the building overhang. The building overhang 20 is, for example, a floor of a concrete veranda on the upper floor, and a bolt is screwed up and down on an acker nut 22 (FIG. 3) buried under the lower surface for mounting an outdoor unit of an air conditioner. Fastening members 21, and the fastening members 21 are arranged at four places at four corners of the rectangular shape at intervals suitable for the size of the outdoor unit of the air conditioner. Then, the two engaging means 3 of the lifting device 1 are mounted on the diagonal fastening members 21 from directions orthogonal to the axis of the fastening members 21 respectively. That is, the notch 15a of the first engaging portion 15 of the engaging means 3
The main body 2 is rotated 90 degrees horizontally while the shaft is inserted into the shaft portion of one fastening member (bolt) 21 from the side, so that the cut portion 16a of the second engaging portion 16 is It is mounted by inserting it into the shaft.

FIG. 3 is an enlarged sectional view taken along the line III-III of FIG. The bolt as the fastening member 21 is attached to the building overhang 2
No. 1 is screwed to an anchor nut 22 buried in the concrete, and the first engaging portion 15 is held by its head so as not to drop. Note that an anchor bolt may be embedded in concrete instead of the anchor nut, and the nut may be screwed up and down freely.

FIG. 4 is a perspective view showing a state in which the air conditioner outdoor unit 23 is lifted by the lifting device 1 of the present invention.
The air conditioner outdoor unit 23 is finally fixed to the lower surface of the building overhang portion 20 via the fastening members 21 by a pair of upper support members 24 and a pair of corresponding lower support members 25. The upper support member 24 is a horizontal member 2 having an L-shaped cross section and provided with a plurality of long holes 26a near both ends of a vertical flange and a horizontal flange.
6 and two long holes 26a in the longitudinal flange, respectively, and are bolt-connected to each other at predetermined intervals in the longitudinal direction.
It is constituted by a pair of vertical members 27 having a C-shaped cross section provided with 7a. The lower support member 25 includes a C-shaped bottom member 28 and a C-shaped vertical member 29 erected from both ends thereof and provided with a plurality of bolt holes 29a at predetermined intervals in the longitudinal direction.

Next, a method of installing the air conditioner outdoor unit 23 on the lower surface of the building overhang 20 using the lifting device 1 of the present invention will be described with reference to FIGS. First, the upper support member 24 is attached to the fastening member 21 as shown in FIG. That is, the four bolts constituting the fastening member 21 are removed, and the horizontal members 26 of the respective upper support members 24 are pressed against the lower surface of the building overhanging portion 20, and are respectively inserted into the long holes 26a of both ends of the horizontal flange. The shaft of the bolt is inserted, and then the bolt is loosely screwed into the anchor nut 22 embedded in the concrete. Next, as described above, the fastening members 21 located diagonally
After the first engaging portion 15 and the second engaging portion 16 of the lifting device 1 are sequentially mounted on the (bolt) in the horizontal direction, the outdoor unit 23 of the air conditioner is fastened with the fastening band 6 of the lifting means 4 and the winch device. 5 is operated to lift the outdoor unit 23. When the air conditioner outdoor unit 23 is lifted up to the installation position, the air conditioner outdoor unit 23 is connected with the bolts 30 using the bolt holes 27a of the upper support member 24 and the bolt holes 29a of the lower support member 25 (see FIG. 5). The machine 23 is attached to the lower part of the building overhang 20, and the installation is almost completed.
At this time, the four bolts are loosely screwed to the anchor nut.

Next, the lifting device 1 is removed from the fastening member 21 as shown by a dotted line in FIG. For removal, first, the lifting device 1 is turned horizontally as indicated by an arrow A to disengage the second engaging portion 16 from the fastening member 21 in the horizontal direction, and then moved horizontally as indicated by an arrow B to perform the first What is necessary is just to remove the engaging part 15 from the fastening member 21 sideways. Next, the bolt of the fastening member 21 is fastened and fixed, and the installation of the air conditioner outdoor unit 23 is completed. When removing the outdoor unit of the air conditioner, the reverse order of the above steps may be performed. At this time, the direction of rotation of the winding portion is reversed. FIG. 6 is a partially enlarged bottom view of the relationship between the lifting device 1 and the fastening member 21 in these operations as viewed from below.

Next, FIG. 7 shows another embodiment of the rotating means 12 for rotating the winding part 10. As shown in FIG. In this example, instead of using the DC motor 13 and the operation unit 14 as shown in FIG.
A worm gear mechanism 31 is connected to the shaft 0, and a drive connecting portion 33 that can be driven to rotate by inserting a tip of a rotary tool 32 such as an electric wrench or a screwdriver into the tip of the shaft is provided. With this configuration, the lifting device 1 of the present invention can be made simpler and lighter.

[0015]

As described above, according to the lifting device of the present invention, an air conditioner outdoor unit can be fixed and installed at a lower part of a building overhang efficiently, quickly and safely by one person even in a narrow place.
Moreover, since the lifting device is attached to the lower surface of the projecting portion using a plurality of fastening members for fixing the outdoor unit of the air conditioner, there is no need to provide a dedicated fastening member. Then, the lifting device is loosely fixed to the fastening member after the support member of the air conditioner outdoor unit is installed, and the lifting device can be easily removed from the fastening member after the mounting of the air conditioner outdoor unit is substantially completed. The installation of the air conditioner outdoor unit can be completely completed by fastening and fixing the fastening member. Also, removing the air conditioner outdoor unit,
It can be easily and safely performed in the reverse order of the installation.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an example of a lifting device 1 of the present invention.

FIG. 2 is a perspective view showing a state in which the lifting device 1 of the present invention is mounted on a fastening member provided at a lower part of a building overhang.

FIG. 3 is an enlarged sectional view taken along the line III-III in FIG. 2;

FIG. 4 shows an air conditioner outdoor unit 23 using the lifting device 1 of the present invention.
FIG.

FIG. 5 is a perspective view showing a state in which the lifting device 1 of the present invention is detached from the fastening member 21.

6 is a partially enlarged bottom view of the relationship between the lifting device 1 and the fastening member 21 of FIG. 5 as viewed from below.

FIG. 7 is a side view showing another embodiment of the rotating means 12 for rotating the winding unit 10.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Lifting device 2 Main body 3 Hanging means 4 Lifting means 5 Winch device 6 Fastening band 7 Plate 8 Adjusting buckle 9 Pulley 10 Winding part 11 Wire 12 Rotating means 13 DC motor 14 Operating part 15 First hooking part 15a Notch Part 16 Second hooking part 16a Notch 20 Building overhang 21 Fastening member 22 Anchor nut 23 Air conditioner outdoor unit 24 Upper support 25 Lower support 26 Horizontal member 26a Long hole 27 Vertical member 27a Bolt hole 28 Bottom member 29 Vertical member 29a Bolt hole 30 Bolt 31 Worm gear mechanism 32 Rotary tool 33 Drive connection

Claims (4)

[Claims] A plurality of fastening members are provided on a lower surface of a building overhang portion and the like so as to be vertically movable, and an air conditioner outdoor unit is supported by supporting members and via the fastening members. A lifting device for use when attaching to the lower surface, wherein the lifting device is provided on the main body 2 and is attached to and detached from the plurality of fastening members 21 in a direction perpendicular to the axis thereof. A plurality of hooking means 3, and a lifting means 4 for an air conditioner outdoor unit 23 provided in the main body 2.
A winch device 5 for raising and lowering the lifting means 4, wherein the air conditioner outdoor unit 23 can be lifted by the lifting means 4 while the main body 2 is mounted on the fastening member 21. Air conditioner outdoor unit lifting equipment. 2. In the case where four bolts as fastening members 21 are screwed into each corner of the rectangular shape on the lower surface, each engaging means 3 is attached to the two fastening members 21 on diagonal lines with respect to the axis thereof. The lifting device for an outdoor unit of an air conditioner according to claim 1, wherein the main body 2 can be attached to and detached from each other from a direction orthogonal to the direction. 3. A first engaging means having a notch extending from one end of the main body in the longitudinal direction of the main body.
And a notch 16 extending in a direction perpendicular to the other end of the main body 2
The lifting device for an outdoor unit of an air conditioner according to claim 2, further comprising a second engaging portion (16) having a. 4. The air conditioner outdoor unit 23 when the air conditioner outdoor unit 23 is attached to a plurality of fastening members 21 which are screwed up and down on the lower surface of the building overhang 20 or the like using the support members 24, 25. The main body 2 of the lifting device according to any one of claims 1 to 3 is attached to the plurality of fastening members 21 from the side, and the air conditioner outdoor unit 23 is predetermined by the winch device 5. After being lifted to the position, the air conditioner outdoor unit 2 is supported by the support members 24 and 25.
3. A method for lifting an outdoor unit of an air conditioner, comprising: attaching the main body 3 of the lifting device 3 to the fastening member 21;