JP4026046B2 - Shutter device lifting device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention belongs to the technical field of a lifting device for a shutter device arranged to partition an opening or a passage of a building such as a building.
[0002]
[Prior art]
In general, in a shutter device provided in an opening of a building or the like, a shutter case is provided above the opening, and the shutter curtain is wound around a winding drum provided in the shutter case to open the opening. There is known a posture which is changed into a posture and a closed posture in which the opening is closed by unwinding from the winding drum. When such a shutter device is attached to the housing, a shutter case is attached above the opening, and a take-up drum to which a shutter curtain is connected is incorporated into the attached shutter case. In recent years, a take-up drum in which a shutter curtain has been taken up in advance is incorporated into a shutter case, which is then transferred to the site, and the built-in shutter case is placed above the opening. It is proposed to simplify the installation work on site by installing.
[0003]
[Problems to be solved by the invention]
However, in this case, since the shutter case is mounted above the opening, that is, at a high place, work at a high place is forced. However, as described above, a shutter curtain and a winding drum are incorporated in the shutter case. has become really heavy because that is the state, it is assumed that installation work at heights becomes more difficult, there is a problem that a plurality of operators becomes necessary, the herein There has been a problem to be solved by the invention.
[0004]
[Means for Solving the Problems]
The present invention has been created in view of the above-described circumstances and has been created for the purpose of solving these problems. The invention of claim 1 provides a winding drum around which a shutter curtain is wound as a shutter case. A lifting device that lifts a main body unit of a shutter device mounted in a bearing shape above an opening, and the lifting device is detachably engaged with engaging portions provided on both left and right sides above the opening. A pair of guide rail bodies arranged along the left and right sides of the part, a pair of self-propelled bodies that self-propelled to freely move up and down by driving an electric motor, respectively , and each of the self- propelled bodies, It is a lifting device for a shutter device configured to include a pair of upper plates on which the main unit can be placed .
By doing so, the mounting operation of the shutter device can be facilitated.
According to a second aspect of the present invention, in the first aspect, the guide rail body includes a rack portion and a slide travel portion, and the self-propelled body is motively transmitted to the electric motor and the motor shaft of the electric motor. Lifting of a shutter device comprising a driven shaft, a gear integrally fitted on the driven shaft and meshed with the guide rail rack portion, and a guide body movably guided by the guide rail slide travel portion Device.
A third aspect of the present invention is the shutter device lifting device according to the first or second aspect, wherein the engaging portion is a hook fitting formed on a mounting bracket that supports a shutter case constituting the shutter device.
[0005]
DETAILED DESCRIPTION OF THE INVENTION
Next, an embodiment of the present invention will be described based on the drawings of FIGS.
In the drawings, reference numeral 1 denotes a shutter curtain of a shutter device installed in an opening, and the shutter curtain 1 is wound around a winding drum 3 that is rotatably supported by a shutter case 2 mounted above the housing. As the winding drum 3 rotates forward and backward based on an opening / closing machine (not shown), the winding drum 3 is wound around the winding drum 3 to open the opening, and the winding drum 3 is unwound from the winding drum 3 to close the opening. The shutter curtain 1 is configured to open and close in a state in which both side edges are moved and guided by guide rails 4 arranged on both sides of the opening. All of these configurations are the same as conventional configurations.
[0006]
The shutter device is divided into a main body unit U1 in which a winding drum 3 around which a shutter curtain 1 is wound in advance is mounted in a shutter case 2 in a bearing shape, and a pair of guide rail units U2 arranged on both sides of the opening. It is set to be shipped from the factory in the state, and is set so that it can be installed by performing the installation work of the main unit U1 and the guide rail unit U2 on site, and in the process of mounting the main unit U1 The lifting device 5 of the present invention is configured to be used.
[0007]
That is, a pair of vertically long plate-like mounting brackets 6 for mounting the main body unit U1 are fixed to the housing surface (front surface) located above the left and right sides of the opening, and the main body unit U1 is attached to the mounting brackets 6 respectively. Although fixed, the mounting bracket 6 has a tip protruding forward so as to engage an engaging portion (not shown) provided on the back surface of the shutter case 2 constituting the main unit U1 from above. A pair of upper and lower case hooks 6a, which are cut and raised so as to be bent upward, are provided. Further, one lifting device hook 6b formed by cutting and raising the same shape as the case hook 6a is formed below each of the case hooks 6a.
[0008]
And the upper end part of a pair of guide rail body 7 which comprises the lifting apparatus 5 is each comprised so that attachment or detachment is possible to the said lifting apparatus hook 6b. Each of the guide rail bodies 7 is composed of a substantially quadrangular prism-shaped slide running portion 8 that is long in the vertical direction, and a rack portion 9 that is integrally fixed to the front surface of the slide running portion 8. 8 is configured such that a rail portion 8b is fixed in a projecting manner to a long groove 8a that is recessed in the left and right side surfaces in the vertical direction. The rack portion 9 is made of rubber or polyurethane, and is configured such that a plurality of racks 9a are juxtaposed in a vertical direction on a belt-like surface, and is attached to the surface of the slide traveling portion 8 or the like. It is attached integrally by means. Further, at the upper end portion of each guide rail body 7, a receiving metal fitting 7 a that is bent so as to be detachably engaged with the lifting device hook metal fitting 6 b of the mounting bracket 6 is provided on the rear surface of the slide running unit 8. So as to be flush with each other.
[0009]
On the other hand, a pair of self-propelled bodies 10 that self-propell each of the guide rail bodies 7 in the vertical direction are incorporated in the respective guide rail bodies 7 so as to be lifted up and down. Here, the configuration of the self-propelled body 10 traveling on the guide rail body 7 located on the left side of FIG. 2 will be described in detail, and the self-propelled body 10 traveling on the right guide rail body 7 will be described. Description of the configuration of is omitted.
The self-propelled body 10 includes an electric motor 12 at a lower portion of a base plate 11 formed of a rectangular plate material that is long in the vertical direction and faces in the left-right direction. Are fixed with screws so that the motor mounting plate 13 protrudes forward. The electric motor 12 is housed in a rectangular tubular casing, and is integrated with the base plate 11 by screwing and fixing the back surface of the casing to the base plate 11. The motor shaft protrudes from the left side of the electric motor 12. 12a passes through a through hole 13a provided in the motor mounting plate 13 in a loosely fitting manner and protrudes to the left, and a driving sprocket 12b is integrally fitted and fixed to the protruding end.
[0010]
Further, a driven shaft 14 is disposed on the base plate 11 at an upper portion of the electric motor 12. The driven shaft 14 is disposed long in the left-right direction, and the back surface is fixed to the base body 11. Three bearings in the left-right direction are supported by bearings 14a housed in a prismatic casing. The left end portion of the driven shaft 14 extends to a portion corresponding to the drive sprocket 12b of the electric motor 12, and the driven sprocket 14b is integrally fitted and fixed thereto. An endless chain 12c is wound between the drive sprocket 12b and the driven sprocket 14a, whereby an interlocking connection is made between the sprockets 12b and 14a. 14 is set to rotate. Reference numeral 14 c is a retaining pin for retaining the driven shaft 14.
[0011]
Reference numeral 15 denotes a guide body 15 in which rollers for running on the rail portion 8 b protruding from the left and right side surfaces of the guide rail slide running portion 8 are built. The guide body 15 is arranged on the back surface of the base plate 11. However, the guide body 15 is provided with a pair of left and right portions located at two locations in the vertical direction so as to sandwich the rail portion 8b protruding from both the left and right sides of the slide traveling portion 8, Although the self-propelled body 11 is configured to be able to travel with respect to the guide rail body 7, the traveling system configured by the guide rail slide traveling unit 8 and the guide body 15 is a general-purpose configuration. Detailed description here is omitted.
Further, the base body 11 is provided with a rectangular window 11a which is located on the right side of the portion facing the driven shaft 14 and is long in the vertical direction, and a gear 16 is integrated with the driven shaft 14 facing the rectangular window 11a. Is externally fitted. The gear 16 is provided such that gear teeth 16 a formed on the outer peripheral surface protrude from the rectangular window 11 a to the back side, and the protruding gear teeth 16 a portion meshes with the rack 9 a of the guide rail rack portion 9. Thus, when the gear 16 is rotationally driven in accordance with forward / reverse rotational driving of the electric motor 12, the gear teeth 16a of the gear 16 mesh with the rack 9a, so that the self-propelled body 10 becomes the guide rail body. 7 is set to run on top and bottom in the vertical direction.
[0012]
An upper plate 17 is provided on the upper edge portion of the base body 11 of the self-propelled body 10 thus configured in a state of projecting forward, and the upper plate 17 is flush with the upper edge portion of the base body 11. disposed, is configured to allow mounting the body unit U1 of the shutter device to the upper surface of the upper plate 17.
Here, 18 and 19 are reinforcing plates provided on the base plate 11 for supporting the upper plate 17 , respectively, and 20 is a reinforcing plate for supporting the electric motor 12.
[0013]
Then, when installing the shutter device, a pair of mounting brackets 6 are fixed to the opening of the housing at the site, and the lifting device hooks 6b of the mounting bracket 6 are arranged at the upper ends of the guide rail bodies 7. The received metal fittings 7a are engaged with each other, and each guide rail body 7 is suspended and set on the front surface of the housing on both sides of the opening so as to be along the back surface of the slide traveling portion 8. Then, the self-propelled bodies 10 are incorporated into the guide rail body 7, and the left and right self-propelled bodies 10 are assembled at positions where the main unit U1 can be easily placed, and their vertical positions are aligned. Then, the left and right parts of the main unit U1 composed of the shutter case 2 in which the shutter curtain 1 and the winding drum 3 are incorporated are placed on the upper plates 17 of the left and right self-propelled bodies 10, and in this state, By driving the electric motor 12 and causing the self-propelled body 10 to travel upward, the main unit U1 can be lifted to a position immediately below the mounting portion.
Incidentally, the electric motors 12 of the left and right self-propelled bodies 10 have the same configuration (output, torque, etc.), and are set to supply power to these electric motors 12 almost simultaneously.
In such a state where the main unit U1 is lifted to the upper position of the housing by using the lifting device 5, the operator rests on the stepladder etc. and hooks the main unit U1 on the case hook 6a of the mounting bracket 6 for engagement. By combining, the main unit U1 is attached. Then, after the installation work of the main unit U1 is finished, each self-propelled body 10 is lowered to a position where it can be easily removed, the self-propelled body 11 is removed, and the guide rail 7 is detached from the device hook 6b. In this state, the lifting device hook 6b for the mounting bracket 6 becomes unnecessary. Therefore, in the present embodiment, by pushing (driving) the lifting device hook 6b formed to be raised and raised, the lifting device hook 6b becomes an obstacle or something is inadvertent. There is no such thing as engaging.
[0014]
In the embodiment of the present invention configured as described above, in order to install the shutter device in the opening, the shutter device is in a state in which the winding drum 3 around which the shutter curtain 1 is wound is stored in the shutter case 2. The main unit U1 and the guide rail unit U2 are configured and shipped from the factory. At the installation site, the units U1 and U2 are mounted. In this case, the heavy body unit U1 can be lifted up to the vicinity of the mounting position by using the lifting device 5, and the operator can Since it is only necessary to install the main unit U1 at this high position, the burden on the operator can be greatly reduced, the number of workers can be reduced, the installation time is reduced, and the workability is improved. Can be measured.
[0015]
Moreover, in this device, the lifting device 5 engages the receiving bracket 7 a provided at the upper end portion of the guide rail body 7 with the lifting device hook 6 b formed on the mounting bracket 6 provided for mounting the shutter case 2. It can be attached to the housing opening simply by combining them, and the lifting device 5 can be installed easily and easily without impairing the work efficiency.
[0016]
Further, the lifting device 5 is composed of a pair of left and right guide rail bodies 7 and respective self-propelled bodies 10 that run on the id rail bodies 7, and these left and right ones are separately divided into openings. Therefore, there is an advantage that it can be handled regardless of the opening width of the opening.
[Brief description of the drawings]
FIG. 1 is a perspective view of a shutter device.
FIG. 2 is a perspective view for explaining attachment of a main body unit lifted by using a lifting device.
FIG. 3 is a side view illustrating a self-propelled body.
FIG. 4 is a front view illustrating a self-propelled body.
FIGS. 5A and 5B are a front view and a side view, respectively, for explaining the mounting of the guide rail to the mounting bracket.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 With shutter curtain 2 Shutter case 3 Winding drum 6 Mounting bracket 6b Lifting device hook metal fitting 7 Guide rail body 8 Slide traveling part 9 Rack part 10 Self-propelled body 11 Base plate 12 Electric motor 14 Drive shaft 15 Guide body 16 Gear 17 Upper plate

Claims (3)

A lifting device that lifts a body unit of a shutter device in which a winding drum around which a shutter curtain is wound is mounted on a shutter case in a bearing shape , and lifts the opening unit above the opening. The lifting device is provided on both the left and right sides above the opening. A pair of guide rail bodies arranged along the left and right sides of the opening by releasably engaging with the engaging portion, and a pair of self-propelled so that each guide rail body can move up and down by driving an electric motor . An apparatus for lifting a shutter device , comprising: a self- propelled body; and a pair of upper plates that are provided on each of the self- propelled bodies and on which the main unit can be placed .   2. The guide rail body according to claim 1, wherein the guide rail body includes a rack portion and a slide traveling portion, and the self-running body includes an electric motor, a driven shaft that is motively transmitted to the motor shaft of the electric motor, and the driven shaft. A lifting device for a shutter device, comprising: a gear integrally fitted to the guide rail rack portion, and a guide body movably guided to the guide rail slide traveling portion.   3. The apparatus for lifting a shutter device according to claim 1, wherein the engaging portion is a hook fitting formed on a mounting bracket that supports a shutter case constituting the shutter device.

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