JP2017166185A - Hoisting device of shutter opening-and-closing machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a hoisting device of a shutter opening-and closing machine in which an operator other than a shutter operation worker can hoist a shutter safely and quickly, and, at the same time, can perform inspection work of plural shutters, resulting in reducing a personnel problem.SOLUTION: A shutter opening-and closing machine 100 has a handle shaft 104 protruding from an opening-and closing machine main body 103 and is configured to hoist a shutter by rotating the handle shaft 104 in the hoisting direction. The hoisting device 1 of the shutter opening-and closing machine 100 comprises, at least, a hoisting device main body 10 which includes a motor and an output shaft 13, a fitting member 20 which is for fitting releasably the hoisting device main body 10 to an opening-and closing machine main body 103, and a shaft coupling member 40 which couples the output shaft 13 of the hoisting device main body 10 and the handle shaft 104 so that power can be transmitted when the hoisting device main body 10 is fitted to the opening-and closing machine main body 103 by the fitting member 20.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a hoisting device for a shutter opening / closing device equipped in a fire-proof shutter for performing a closing operation in the event of a fire to prevent the spread of fire.

  In general, as disclosed in Patent Document 1, for example, the fire shutter is attached to a sensor for detecting heat or smoke generated in the event of a fire and the upper surface of the shutter switch 100 as shown in FIG. And an automatic closing device 101. When a fire signal from a sensor or the like is input to the automatic closing device 101 in the event of a fire, the solenoid in the automatic closing device 101 is operated to operate the brake lever 102 of the shutter opening / closing device 100 to the release side, thereby It can be lowered by its own weight to close indoor spaces and prevent the spread of fire.

  As the shutter opening / closing device 100, there are an electric shutter opening / closing device with a built-in electric motor and a shutter winding / lowering operation performed by the electric motor, and a manual shutter opening / closing device without a winding electric motor. . In the case of the latter, that is, a manual shutter opening / closing device, the shutter opening / closing device 100 normally has a handle shaft 104 protruding from the opening / closing device main body 103 as shown in FIG. Then, one end portion of the crank handle 105 is attached to the handle shaft 104, and the output shaft 106 is rotated by rotating the handle shaft 104 in the winding direction using the crank handle 105. Rotate to wind up the shutter.

JP 2003-106074 A

  However, in the conventional method of rotating the handle shaft 104 using the crank handle 105, it takes a long time to wind the shutter from the closed state to the upper limit position. For this reason, at the time of shutter inspection, an attachment for rotating the handle shaft may be attached to the electric drill to roll up the shutter.

  However, such a winding method is dangerous. That is, the direction of rotation in the winding direction is reversed depending on whether the shutter opening / closing device 100 is located at either end of the winding drum. However, if an electric drill is used without recognizing this, there is a risk of injury due to reaction. is there. Therefore, in reality, it is difficult for a person other than the shutter worker to operate.

  In addition, since it is necessary to always hold an electric drill while a person rolls up a shutter using an electric drill, when checking many shutters in a short time, there is a problem that a corresponding manpower is required. is there.

  The present invention has been made in view of the above points, and the problem is that even a person other than the shutter operator can safely and quickly roll up the shutter, and at the same time, a plurality of shutters can be inspected. It is possible to provide a hoisting device for a shutter opening / closing device that can reduce human problems.

  In order to solve the above-described problems, the present invention has a handle shaft protruding from the switch body as a shutter opening / closing device, and is configured to wind up the shutter by rotating the handle shaft in the winding direction. Assuming that. And as a hoisting device of this shutter opening / closing device, a hoisting device main body having at least a motor and an output shaft, an attaching member for detachably attaching the hoisting device main body to the opening / closing device main body, and this attaching member Thus, the hoisting device main body is configured to include a shaft coupling member that couples the output shaft of the hoisting device main body and the handle shaft so that power can be transmitted when the hoisting device main body is attached to the switch body.

  With this configuration, in the shutter opening / closing device hoisting device of the present invention, the hoisting device main body is detachably attached to the opening / closing device main body via the mounting member during the shutter inspection, and the motor power of the hoisting device main body is connected to the shaft. It is transmitted to the handle shaft of the shutter opening / closing device via the member, and the shutter winding operation is performed. For this reason, even if the rotation direction of the motor is mistakenly operated on the side opposite to the shutter winding direction, the operator is not injured due to the reaction. Therefore, even a person other than the shutter operator can roll up the shutter safely and quickly. Further, since the hand can be released by attaching the hoisting device main body to the opening / closing machine main body and rotating the motor, it is possible to simultaneously inspect a plurality of shutters and reduce human problems.

  Here, in the present invention, the mounting member includes a hoisting device side mounting member attached to the hoisting device main body, and a switch side mounting member attached to the switch main body so as to be detachable, It is preferable that the hoisting device side mounting member and the switch side mounting member are coupled in a state of being fitted to each other. In this case, when the hoisting device main body is attached to the switch body, the switch-side mounting member is attached to the switch body, and this switch-side mounting member and the hoisting device-side mounting member previously attached to the hoisting device main body. Can be easily attached to the opening / closing machine body. When removing the hoisting device main body from the switch body, first, the coupling between the hoisting device side mounting member and the switch side mounting member is released, and the fitting state of both the mounting members is set to the hoisting device side. Release by pulling out the mounting member. Thereafter, the switch-side attachment member is removed from the switch body. With the above operation procedure, the hoisting device main body can be easily detached from the switch body, and the operation can be shifted to the operation of attaching the hoisting device for another shutter inspection work.

  Moreover, the more specific form of the said winding apparatus side attachment member and the said switch side attachment member is as follows. That is, the hoisting device side mounting member includes a rear wall portion that is detachably attached to the hoisting device main body by screwing, and a pair of left and right protruding from the left and right side edges of the rear wall portion to the switch body side. And the left and right bent portions formed by bending the upper edge portions of the respective side wall portions to the sides facing each other. The switch-side attachment member protrudes from the front wall portion having an opening through which the handle shaft and the shaft coupling member can penetrate, and from the left and right side edges of the front wall portion toward the switch body side. A pair of left and right side walls, and two left and right flanges which are bent to the opposite side to the side facing each other, and are attached to the switch body by screwing so as to be detachable ing. The hoisting device-side mounting member and the switch-side mounting member are attached to the switcher-side mounting with respect to the inside of the pair of left and right side wall portions and the two left and right bent portions of the hoisting device side mounting member. The front wall portion of the member and the pair of left and right side wall portions are coupled with each other by screwing or locking members provided between the hoisting device side mounting member and the switch side mounting member. It is configured.

  According to the shutter opening / closing device hoisting apparatus of the present invention, even a person other than the shutter operator can wind up the shutter safely and quickly. In addition, since the hoisting device main body is attached to the switch body and the motor can be rotated, the hand can be released, so that it is possible to start inspection work for multiple shutters at the same time and to reduce human problems. Play.

FIG. 1 is a partially cutaway side view of a hoisting device of a shutter switch according to a first embodiment of the present invention, and shows a state when the hoisting device is attached to the shutter switch. FIG. 2 is a partially cutaway plan view of the hoisting device, showing a state when the hoisting device is attached to a shutter opening / closing device. FIG. 3 is a partially cutaway side view of the hoisting device, showing a state before the hoisting device is attached to the shutter opening / closing device. FIG. 4 is a partially cut plan view of the hoisting device, showing a state before the hoisting device is attached to the shutter opening / closing device. FIG. 5 is a longitudinal side view of the hoisting device. FIG. 6 is a perspective view of the hoisting device. FIG. 7 is a perspective view of the vicinity of the handle shaft of the shutter switch. 8A to 8D show the hoisting device side mounting member of the mounting member which is one constituent member of the hoisting device, FIG. 8A is a front view, FIG. 8B is a rear view, FIG. 8C is a plan view, and FIG. It is sectional drawing in the XX line of 8A. 9A to 9C show the switch-side attachment member of the attachment member, FIG. 9A is a front view, FIG. 9B is a right side view, and FIG. 9C is a plan view. 10A to 10C show a shaft connecting member which is one component of the hoisting device, FIG. 10A is a plan view, FIG. 10B is a cross-sectional view taken along line YY of FIG. 10A, and FIG. 10C is a Z direction of FIG. It is the arrow view seen from. FIG. 11 is a view corresponding to FIG. 1 showing a second embodiment of the present invention. FIG. 12 is a view corresponding to FIG. 3 showing a second embodiment of the present invention. FIG. 13 is a partially cutaway plan view showing a locked state of a lock member that joins the hoisting device side mounting member and the switch side mounting member of the mounting member, which is a constituent member of the hoisting device shown in FIG. 11. FIG. 14 is a plan view showing an unlocked state of the lock member. FIG. 15 is an arrow view taken along line GG in FIG. FIG. 16 is a side view of a conventional manual shutter switch.

  DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments that are modes for carrying out the present invention will be described with reference to the drawings.

  1 to 4 show a hoisting device 1 of a shutter opening / closing device 100 according to a first embodiment of the present invention. The shutter opening / closing device 100 has the same configuration as that of the conventional manual shutter opening / closing device described with reference to FIG. 16 in the background art except that the hoisting device 1 is provided. In the following description, when the shutter opening / closing device 100 and the hoisting device 1 are viewed in a direction orthogonal to the axial direction, the shutter opening / closing device 100 side is referred to as a front F, and the hoisting device 1 side is referred to as a rear B.

  That is, the shutter opening / closing device 100 has a handle shaft 104 protruding from the switch body 103, and rotating the handle shaft 104 in the winding direction rotates the output shaft 106 (see FIG. 16) to wind up the shutter. It is configured as follows. The shutter opening / closing machine 100 has a brake device and a brake lever 102. When the brake lever 102 is operated to the release side by the automatic closing device 101 (see FIG. 16) attached to the upper surface of the shutter opening / closing device 100, the braking of the brake device is released and the shutter is lowered by its own weight. It has become.

  The hoisting device 1 includes a hoisting device main body 10 as a power unit, an attachment member 20 for detachably attaching the hoisting device main body 10 to the opening / closing machine main body 103, and the hoisting device main body 10 is opened and closed by the attachment member 20. A shaft coupling member 40 that couples an output shaft 13 (described later) of the hoisting device body 10 and a handle shaft 104 so as to transmit power when mounted on the machine body 103 is provided.

  As shown in FIG. 5, the hoisting device main body 10 includes a motor 11, a speed reducer 12 for increasing the output torque of the motor 11, and an output shaft 13. The speed reducer 12 has a drive gear 14 formed at one end of the rotating shaft 11 a of the motor 11 and a driven gear 15 that meshes with the drive gear 14. The number of teeth of the driven gear 15 is the same as that of the drive gear 14. The number of teeth is set to several to ten times. One end of the output shaft 13 passes through and is fixed to the driven gear 15. The other end portion of the output shaft 13 protrudes out of the housing 16, and one or a plurality of concave grooves 17 extending linearly in the axial direction are provided on the outer peripheral surface of the other end portion of the output shaft 13. Although not shown, the operation of the motor 11 is controlled by a control unit, and a push button switch as an operation unit or a radio signal is input to the control unit.

  As shown in FIGS. 1 and 2, the attachment member 20 includes a hoisting device side attaching member 21 attached to the hoisting device main body 10, and an opening / closing device side attaching member 22 detachably attached to the opening / closing device main body 103. The hoisting device side mounting member 21 and the switch side mounting member 22 are configured to be coupled in a state of being fitted to each other. This configuration will be described in detail as follows.

  That is, as shown in FIGS. 6 and 8, the hoisting device side mounting member 21 includes a rear wall portion 21a that is detachably attached to the hoisting device body 10 by screwing, and both left and right edges of the rear wall portion 21a. The pair of left and right side wall portions 21b, 21b projecting from the switch body 103 side, that is, the front F at a substantially right angle, and the upper edge of each side wall portion 21b are bent at a substantially right angle to the side (inside) facing each other. It has two bent portions 21c and 21c on the left and right.

  The back wall portion 21a is formed in a rectangular frame shape that is long in the vertical direction, and through holes 24 are provided in the four corner portions of the back wall portion 21a. And the back wall part 21a is attached to the winding apparatus main body 10 so that attachment or detachment is possible by screwing the screw 23 in each through-hole 24 to the winding apparatus main body 10 side.

  In attaching the back wall 21a to the hoisting device main body 10, a part of the upper mounting plate 25 is provided on the upper side of the back wall 21a, and a part of the lower mounting plate 26 is provided on the lower side of the back wall 21a. It is fastened together with the back wall portion 21a by a screw 23 while being sandwiched between the front end surface 10a of the main body 10 and the back wall portion 21a.

  The upper mounting plate 25 is vertically screwed together with the back wall portion 21a by a screw 23 while being sandwiched between the upper portion of the front end surface 10a of the hoisting device body 10 and the upper portion of the back wall portion 21a. Part 25a, a horizontal screwing part 25b bent substantially perpendicularly from the upper edge of the vertical screwing part 25a to the rear B, and upward from the end of the horizontal screwing part 25b opposite to the vertical screwing part 25a. And a handle portion 25c that is bent at a substantially right angle. The horizontal screwing portions 25b are fixed to the upper surface of the hoisting device body 10 by screwing at a plurality of locations (two locations in the figure). The handle portion 25c includes a rectangular opening portion 28 that is long in the lateral direction and a flange portion that is formed by bending the upper edge portion of the opening portion 28 to the rear B substantially at a right angle so as to facilitate gripping when the hoisting device body 10 is lifted. 29.

  The lower mounting plate 26 is vertically screwed together with the back wall portion 21a by a screw 23 while being sandwiched between the lower portion of the front end surface 10a of the hoisting device body 10 and the lower portion of the back wall portion 21a. Part 26a and a horizontal screwing part 26b formed by bending the lower edge part of the vertical screwing part 26a to the rear B substantially at a right angle. The horizontal screwing portions 26b are fixed to the lower surface of the hoisting device main body 10 by screwing at a plurality of locations (for example, two locations).

  Each side wall 21b of the hoisting device side mounting member 21 is formed in a substantially right trapezoidal shape having two right angle corners on the upper edge side. The upper edge part of each side wall part 21b is formed in a step shape whose tip side part is one step lower than the base end part, and a bent part 21c is formed in this tip side part. Each side wall 21b is provided with a through hole 31 corresponding to the lower position of the intermediate portion in the longitudinal direction of the bent portion 21c, and corresponding to the lower position of the end portion on the proximal end side of the bent portion 21c. A screw hole 32 is provided. A nut 33 having a screw hole smaller in diameter than the through hole 31 is fixed to the outer surface of each side wall portion 21b by welding or the like corresponding to the through hole 31. A wing bolt 34 is screwed into the nut 33, and a normal bolt 35 is screwed into the screw hole 32.

  On the other hand, as shown in FIGS. 7 and 9, the switch-side attachment member 22 has a rectangular front wall portion 22 a that is long in the horizontal direction and the switch body main body 103 side from the left and right edges of the front wall portion 22 a. It has a pair of left and right side wall portions 22b, 22b protruding forward F, and two left and right flange portions 22c, 22c formed by bending the front end portions of the side wall portions 22b to the opposite sides to the opposite sides. The front wall portion 22a has a circular opening 36 having a size capable of penetrating the handle shaft 104 and the shaft connecting member 40 at the center thereof.

  A screw hole 37 having the same diameter as the screw hole of the nut 33 is provided at the center of each side wall part 22 b corresponding to the through hole 31 and the nut 33 of each side wall part 21 b of the hoisting device side mounting member 21. Yes. Further, a through hole 38 is provided at the center of each flange portion 22c, and each flange portion 22c is attached to and detached from the switch body 103 by screwing the screw 39 to the switch body body 103 through the screw 39. It is attached as possible.

  As shown in FIGS. 1 and 2, the hoisting device side mounting member 21 and the switch-side mounting member 22 are formed of a pair of left and right side walls 21b and 21b and two left and right bent portions of the hoisting device side mounting member 21. The nut 33 of each side wall portion 21b of the hoisting device side mounting member 21 in a state where the front wall portion 22a of the switch-side mounting member 22 and the pair of left and right side wall portions 22b, 22b are fitted to the inside of the portions 21c, 21c. The butterfly bolts 34 are respectively screwed into the screw holes 37 and the screw holes 37 of the side wall portions 22b of the switch-side mounting member 22 (that is, screwed). In this configuration, the weight of the hoisting device 1 is determined by contact between the left and right bent portions 21c, 21c of the hoisting device side mounting member 21 and the upper edge portions of the pair of left and right side wall portions 22b, 22b of the switch-side mounting member 22. Is supported. Further, the contact also exhibits a guide function when the hoisting device side mounting member 21 and the switch side mounting member 22 are fitted or released. In addition, the bolt 35 screwed into the screw hole 32 of each side wall 21b of the hoisting device side mounting member 21 has a stopper function when the hoisting device side mounting member 21 and the switch side mounting member 22 are fitted. It is something that demonstrates.

  As shown in FIG. 10, the shaft coupling member 40 is formed of a hollow tube, and one end portion of the shaft coupling member 40 has two grooves corresponding to the concave groove 17 of the output shaft 13 of the hoisting device body 10. While the screw holes 41, 41 are provided side by side along the axial direction, two slits 42, 42 extending in the axial direction from the other end surface sandwich the shaft center at the other end of the shaft coupling member 40. Is provided. Then, one end of the shaft connecting member 40 is fitted into the output shaft 13 of the hoisting device main body 10, and the screw 43 is screwed into one screw hole 41 and the tip of the screw 43 is inserted into the concave groove 17. Thus, the output shaft 13 is connected to the output shaft 13 in an integrated manner. When the hoisting device main body 10 is attached to the switch main body 103 by the attachment member 20, as shown in FIGS. 1 and 2, the handle shaft 104 is attached to the two slits 42 and 42 of the shaft connecting member 40. The shaft connecting member 40 and the handle shaft 104 are connected together in a rotating manner by fitting both ends of the pin 44 provided therethrough. Therefore, when the hoisting device main body 10 is attached to the switch main body 103 by the mounting member 20, the output shaft 13 and the handle shaft 104 of the hoisting device main body 10 are connected by the shaft connecting member 40 so that power can be transmitted. .

  Next, the operation and effect of the first embodiment will be described. When the shutter is inspected, the hoisting device main body 10 is detachably attached to the opening / closing device main body 103 via the attachment member 20. The power of the motor 11 is transmitted to the handle shaft 104 of the shutter opening / closing device 100 via the shaft connecting member 40, and the shutter winding operation is performed. For this reason, even if the rotation direction of the motor 11 is mistakenly operated on the opposite side to the winding direction, the operator is not injured due to the reaction. Therefore, even a person other than the shutter operator can roll up the shutter safely and quickly.

  In addition, since the hoisting device body 10 is attached to the switch body 103 and the motor 11 is rotated by a push button switch or a radio device, the hand can be released, so that a plurality of shutters can be checked at the same time. Can alleviate problems. The rotation of the motor 11 is automatically stopped by a built-in timer of the control unit.

  In particular, in the case of the present embodiment, the attachment member 20 has a hoisting device side attaching member 21 attached to the hoisting device main body 10 and an opening / closing device side attaching member 22 detachably attached to the opening / closing device main body 103. The hoisting device side mounting member 21 and the switch side mounting member 22 are configured to be coupled in a state of being fitted to each other. In this configuration, when the hoisting device main body 10 is attached to the switch body 103, the switch-side mounting member 22 is attached to the switch body 103, and the switch-side mounting member 22 is attached to the hoisting device body 10 in advance. The hoisting device main body 10 can be easily attached to the opening / closing machine main body 103 by coupling the hoisting device side mounting member 21 in a state of being fitted to each other. When the hoisting device main body 10 is removed from the switch body 103, first, the hoisting device side mounting member 21 and the switch side mounting member 22 are uncoupled and the mounting members 21, 22 are fitted together. The state is released by pulling out the hoisting device side mounting member 21. Thereafter, the switch-side attachment member 22 is removed from the switch body 103. By the above operation procedure, the hoisting device main body 10 can be easily removed from the switch main body 103, and the operation can be shifted to the mounting operation of the hoisting device 1 for another shutter inspection work.

  FIG.11 and FIG.12 shows the winding apparatus 2 of the shutter opening / closing machine 100 which concerns on the 2nd Embodiment of this invention. The basic configuration of the hoisting device 2 is the same as that of the hoisting device 1 in the first embodiment, and the same members are denoted by the same reference numerals and the description thereof is omitted.

  The hoisting device 2 is different from the hoisting device 1 in the first embodiment in that a part of the hoisting device-side mounting member 21 and the hoisting device-side mounting member 21 and the switch-side mounting member 22 Is configured to be coupled by the lock member 50.

  That is, each side wall portion 21c of the hoisting device side mounting member 21 opens and closes when the switch side mounting member 22 is fitted inside the hoisting device side mounting member 21, as shown in FIGS. A stopper 61 is provided that contacts the front wall portion 22a of the machine-side mounting member 22 for positioning. Further, a horizontal member 62 extending in the left-right direction is provided between the pair of left and right side wall portions 21b, 21b of the hoisting device side mounting member 21, and the horizontal member 62 is closer to the rear wall portion 21a side than the stopper 61 by a predetermined dimension. At a position slightly lower than the bent portion 21c.

  On the other hand, the lock member 50 is a member that is long in one direction, and the cross-sectional shape orthogonal to the longitudinal direction is formed in an inverted U shape. Of the pair of wall portions 50a and 50b of the lock member 50, the length in the longitudinal direction of one wall portion 50a is set longer than the length in the longitudinal direction of the other wall portion 50b. One end of the wall portion 50a in the longitudinal direction protrudes from one end in the longitudinal direction of the shorter wall portion 50b. One end portion in the longitudinal direction of the longer wall portion 50 a is rotatably supported by the lateral member 62 via the support shaft 51. Further, when the lock member 50 is laid down around the support shaft 51 to the position where the switch-side attachment member 22 is fitted inside the hoisting device-side attachment member 21, as shown in FIGS. The horizontal member 62 and the front wall portion 22a of the switch-side mounting member 22 are sandwiched by the lock member 50, and both the hoisting device-side mounting member 21 and the switch-side mounting member 22 are coupled together. It is like that.

  In the case of the second embodiment, since the hoisting device side mounting member 21 and the switch side mounting member 22 are coupled by the lock member 50, for the screwing as in the first embodiment. Nut 33, butterfly bolt 34, etc. are not provided. 11, 12, and 15, reference numeral 71 denotes a protruding portion that is formed to protrude to the opposite side of the distal end side lower edge portion of each side wall portion 21 b of the hoisting device side mounting member 21. The portion 71 has a function of supporting the switch-side attachment member 22 from below when the switch-side attachment member 22 is fitted inside the hoisting device-side attachment member 21.

  And in the said 2nd Embodiment, while having the same effect as the case of 1st Embodiment, the switch side attachment member 22 was engage | inserted inside the winding apparatus side attachment member 21. FIG. In this state, the attachment members 21 and 22 can be easily coupled and released by the turning operation of the lock member 50, and the work can be facilitated and speeded up.

  The present invention is not limited to the first and second embodiments but includes various other forms. For example, in each of the embodiments described above, the case where the brake lever 102 is disposed outside the switch body 103 has been described. However, the present invention is similarly applied to the case where the brake lever 102 is built in the switch body 102. be able to.

  In the first embodiment, when the side wall portion 21b of the hoisting device side mounting member 21 and the side wall portion 22b of the switch-side mounting member 22 are coupled by screwing, the side wall of the hoisting device side mounting member 21 is used. While providing the through-hole 31 in the part 21b, the nut 33 which has a screw hole smaller diameter than the through-hole 31 was fixed to the outer surface of the side wall part 21b. The present invention is not limited to this, and a screw hole may be provided in the side wall portion 21b of the hoisting device side mounting member 21, and the nut 33 may be omitted. Needless to say, the bolt to be screwed into the nut 33 or the screw hole is not limited to the butterfly bolt 34 as in the first embodiment, and a normal bolt may be used.

  Further, as the attachment member 20 for detachably attaching the hoisting device main body 10 to the switch body 103, as in the above-described embodiment, the hoisting device side attaching member 21 attached to the hoisting device main body 10, It is not limited to the case of having the switch-side attachment member 22 that is detachably attached to the switch body 103, but may be a case where both the attachment members 21 and 22 are integrally configured. The hoisting device main body 10 only needs to have at least the motor 11 and the output shaft 13.

DESCRIPTION OF SYMBOLS 1 Hoisting device 10 Hoisting device main body 11 Motor 13 Output shaft 20 Mounting member 21 Hoisting device side mounting member 21a Back wall part 21b Side wall part 21c Bending part 22 Opening / closing machine side mounting member 22a Front wall part 22b Side wall part 22c Flange part 33 Nut 34 Butterfly bolt 36 Opening 37 Screw hole 40 Shaft connecting member 50 Lock member 100 Shutter opening / closing machine 103 Opening / closing machine body 104 Handle shaft 106 Output shaft

In order to solve the above-described problems, the present invention has a handle shaft that protrudes from the switch body as a shutter switch, and rotates the output shaft by rotating the handle shaft in the winding direction. It is assumed that the shutter is wound up by rotating . And as a hoisting device of this shutter switch, a hoisting device main body having at least a motor and an output shaft, and an attachment for mounting the hoisting device main body in a detachable and supported state on the switchgear main body And a shaft connecting member that connects the output shaft of the hoisting device main body and the handle shaft so that power can be transmitted when the hoisting device main body is attached to the switch body by the mounting member. It is set as the structure provided with.

With this configuration, in the hoisting device of the shutter opening / closing device of the present invention, the hoisting device main body is attached to the switcher main body so as to be detachable and supported via the mounting member at the time of shutter inspection. The power of the motor is transmitted to the handle shaft of the shutter opening / closing device via the shaft connecting member, and the shutter winding operation is performed. For this reason, even if the rotation direction of the motor is mistakenly operated on the side opposite to the shutter winding direction, the operator is not injured due to the reaction. Therefore, even a person other than the shutter operator can roll up the shutter safely and quickly. Also, attached to the state of being supported hoist apparatus main body to the opening and closing machine body, since hand speak if a rotation operation of the motor, it is possible to get to inspection of a plurality of shutters simultaneously, to reduce the human problems be able to.

That is, each side wall 21 b of the winding apparatus side attachment member 21, as shown in FIGS. 13 to 15, when fitting the closing-side attachment member 22 inside the hoist-side mounting member 21 A stopper 61 is provided that contacts and positions the front wall portion 22a of the switch-side attachment member 22. Further, a horizontal member 62 extending in the left-right direction is provided between the pair of left and right side wall portions 21b, 21b of the hoisting device side mounting member 21, and the horizontal member 62 is closer to the rear wall portion 21a side than the stopper 61 by a predetermined dimension. At a position slightly lower than the bent portion 21c.

Claims (3)

A shutter opening and closing device configured to wind up a shutter by having a handle shaft protruding from the switch body and rotating the handle shaft in the winding direction,
A hoisting device main body having at least a motor and an output shaft;
An attachment member for detachably attaching the hoisting device body to the switch body;
A shaft connecting member that connects the output shaft of the hoisting device main body and the handle shaft so that power can be transmitted when the hoisting device main body is attached to the switch body by the mounting member. Shutter opening / closing device that lifts.   The attachment member has a hoisting device side attaching member attached to the hoisting device main body, and an opening / closing device side attaching member detachably attached to the opening / closing device main body, and the hoisting device side attaching member; The shutter opening / closing device hoisting device according to claim 1, wherein the opening / closing device side mounting member is configured to be coupled in a state of being fitted to each other. The hoisting device side mounting member includes a rear wall portion that is detachably attached to the hoisting device main body by screwing, and a pair of left and right side walls that protrude from the left and right side edges of the rear wall portion to the switch body side, respectively. And the left and right bent portions formed by bending the upper edge portions of the side wall portions to the sides facing each other,
The switch-side attachment member protrudes from the front wall portion having an opening through which the handle shaft and the shaft coupling member can penetrate, and from the left and right side edges of the front wall portion toward the switch body side. A pair of left and right side walls, and two left and right flanges which are bent to the opposite side to the side facing each other, and are attached to the switch body by screwing so as to be detachable And
The hoisting device side mounting member and the switch side mounting member are formed on the switch side mounting member with respect to the inside of the pair of left and right side wall portions and the left and right two bent portions of the hoisting device side mounting member. The front wall part and the pair of left and right side wall parts are coupled with each other by screwing or locking members provided between the hoisting device side mounting member and the switch side mounting member. The hoisting device for a shutter opening / closing device according to claim 2, wherein

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