JP2019218751A - Building material lifting device - Google Patents

Abstract

To provide a building material lifting device that enables work for lifting a building material to be performed while making positions of respective ends in a lengthwise direction of the building material agree with holding positions by two holding members in a three-dimensional manner in a lateral, longitudinal, and vertical directions.SOLUTION: A lifting device for lifting a building material, which is arranged at a high place of a structure and has a lengthwise direction being a horizontal direction or approximately horizontal direction, such as a winding shaft of a shutter device, in order to making two holding members hold both ends in the lengthwise direction of the building material is configured to include: support members including two placing members 68 for placing the building material separately provided in the lengthwise direction of the building material in order to support the building material; and a frame-like structure 20 on which the support members are arranged. The frame-like structure 20 is configured to include movement mechanisms 25, 42, 43 for moving support positions of the building material by the two support members in a lateral direction, the lengthwise direction of the building material, a longitudinal direction, and a vertical direction.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a building material lifting device for lifting a building material in order to hold both ends in the length direction of a building material where a placement location is at a high position with two holding members, for example, a shutter of a shutter device. The present invention can be used for lifting a building material such as a take-up shaft for taking out a curtain so as to be able to be unwound and a combination of a take-up shaft and a shutter curtain.

  Japanese Patent Application Laid-Open Publication No. H11-163873 discloses a take-up shaft in which a shutter curtain of a shutter device is taken out so as to be freely fed out, and a length direction of the take-up shaft is horizontal or substantially horizontal, and both ends of the take-up shaft in the length direction. It is shown that the take-up shaft and the bracket are lifted in order to arrange a bracket previously attached to both ends to support the shutter device at a height of a structure such as a building where the shutter device is installed. ing. In the technique disclosed in Patent Document 1, a winding shaft and a bracket serving as a building material for a structure are suspended and lifted by a chain block disposed at a high position of the structure, thereby winding the structure. Brackets arranged at both ends in the longitudinal direction of the shaft are held by two holding members arranged at a height of the structure.

JP 2010-236226 A

  In the work for lifting the building material such as the winding shaft of the shutter device in which the arrangement location is at the height of the structure in this way, each end of the building material in the length direction is fixed by two holding members as predetermined. In order to hold the building material, it is required to lift the building material while making the position of each end portion in the length direction of the building material coincide with the holding position by the two holding members in three dimensions of left, right, front, back, and up and down.

  An object of the present invention is to perform a lifting operation of a building material while aligning the position of each end in the longitudinal direction of the building material with a holding position by two holding members in three dimensions of left, right, front, back, and up and down. To provide a lifting device for building materials.

  The building material lifting device according to the present invention holds two ends of the building material in which the arrangement location is the height of the structure and the length direction is a horizontal direction or a substantially horizontal direction. A building material lifting device for lifting the building material so as to be held by a member, wherein two supporting members are provided apart from each other in a length direction of the building material to support the building material, and these supporting members are And a frame-like structure disposed, wherein the frame-like structure moves the support position of the building material by the two support members in a left-right direction that is a length direction of the building material, and a front-rear direction. , And a moving mechanism for moving in the vertical direction.

  Thus, the lifting device for building materials according to the present invention, a supporting member provided two apart in the length direction of the building material to support the building material, and a frame-like structure in which these supporting members are arranged, The frame-like structure moves the support position of the building material by the two support members in the left-right direction, which is the length direction of the building material, the front-back direction, and the up-down direction. Since it is configured with a moving mechanism for causing the building material to be supported by the two support members, the support position of the building material can be changed in three dimensions: left, right, front and rear, and up and down. The position of each end in the length direction of the building material can be made to coincide with the position held by the two holding members in three dimensions of left, right, front, back, and up and down, so that work efficiency can be improved.

  In the present invention, the moving mechanism moves the vertical support position of the building material by the two support members from a low position in the frame-like structure near the floor of the work site by the holding member in the longitudinal direction of the building material. May have a function of raising the end of the building material to a high position, or a frame raised by a holding member to a position slightly lower than the high position for holding the longitudinal end of the building material. The structural member may have a function of adjusting the support position of the building material by the two support members in three dimensions of left, right, front, back, and up and down.

  Further, the two holding members for holding the respective ends in the longitudinal direction of the building material have a concave portion that opens forward, and the two concave portions are provided at both ends in the longitudinal direction of the building material. The two ends may be retained by being inserted, or a pocket-like one or the like in which both ends in the longitudinal direction of the building material are retained by being dropped from above. Or a columnar member or the like in which both ends in the longitudinal direction of the building material are held together by connecting them with a fastener such as a bolt.

  Further, in order to configure the frame-like structure to have a moving mechanism for moving the support position of the building material by the two support members in the left-right direction, the front-back direction, and the up-down direction, for example, The frame-like structure includes a basic member and a two-dimensional moving table movable in the left-right direction and the front-rear direction with respect to the basic member, and the two-dimensional moving table includes two support members. What is necessary is just to arrange a member movably in the up-down direction.

  In addition, the frame-like structure is configured to include the basic member and the two-dimensional movable table that is movable in the left-right direction and the front-rear direction with respect to the basic member. When the two support members are arranged so as to be movable in the vertical direction, the two-dimensional movable table is arranged so as to be movable in the left-right direction with respect to the basic member; The front and rear moving table is configured to be movable in the front and rear direction with respect to the left and right moving table, and the supporting member is disposed on the front and rear moving table. You may.

  As described above, when the front-rear movable table that is movable in the front-rear direction with respect to the left-right movable table is also movable in the up-down direction with respect to the left-right movable table, Since it moves two-dimensionally in the front-rear direction and the up-down direction with respect to the left-right moving table, the structure of the frame-shaped structure can be simplified by sharing the members.

  In addition, when the front and rear movable table which is movable in the front-rear direction with respect to the left and right movable table is also movable in the vertical direction with respect to the left and right movable table, and when the placing member is disposed on the front and rear movable table, Alternatively, the number of the front and rear carriages may be one, and two support members may be arranged on the front and rear carriages. Alternatively, the number of the front and rear carriages may be two and one for each front and rear carriage. The number of support members may be arranged.

  According to the latter, the two support members can be individually moved in the front-rear direction and the up-down direction by enabling the two front-rear movement tables to be individually movable in the front-rear direction and the up-down direction. Thereby, the operation for holding the both ends in the length direction of the building material by the two holding members can be performed more accurately for each end portion in the length direction of the building material.

  Further, in the present invention described above, two support members provided on the frame-shaped structure apart from each other in the length direction of the building material to support the building material may be a mounting member on which the building material is mounted, or A string-like member such as a wire for suspending and supporting a building material may be used.

  In the case where the two supporting members which are provided apart from each other in the length direction of the building material to support the building material are used as the mounting members on which the building material is mounted, each mounting member is moved in the longitudinal direction by two. It may be composed of a plurality of placing half members.

  Further, when each of the mounting members is formed of two mounting half members arranged in the front-rear direction, it is preferable that the interval between the two mounting half members can be adjusted.

  As described above, each of the placing members is constituted by two placing half members arranged in the front-rear direction, and when the interval between these placing half members can be adjusted, the placing member is moved in the front-rear direction. It becomes versatile for various building materials having different dimensions.

  In addition, in order to be able to adjust the distance between the two mounting halves, the operator positions one or two mounting halves among the two mounting halves by setting the position. The position of one or two of the two mounting halves may be changed manually, or the position of one or two mounting halves may be changed by a feed screw or a cylinder that is rotated by an electric motor. May be made automatically changeable by the driving means.

  Further, as described above, when two support members provided apart from each other in the length direction of the building material to support the building material are used as the mounting member on which the building material is mounted, the mounting member is used. Of the members constituting the frame-shaped structure, the member is arranged on a vertically movable member which is provided to be vertically movable, and the vertically movable member is arranged at a position which coincides or substantially coincides with a position where the downward weight of the building material acts. It is preferable that the supporting mechanism be vertically movable.

  According to this, the downward weight of the building material acting on the elevating member can be effectively supported by the supporting mechanism which is arranged at a position which coincides or substantially coincides with the place where the weight acts and which is vertically deformable. Will be able to

  The lifting device for building materials according to the present invention described above can be used to lift any building material, and one example of the building material is a shutter curtain that opens and closes an opening formed in a structure, and is freely wound out. A take-up shaft for taking up, another example of a building material is a take-up shaft for taking out a shutter curtain that opens and closes an opening formed in a structure so as to be able to pay out freely, and an upper end of the take-up shaft. This is a combined body with the shutter curtain which is combined and wound around the winding shaft.

  Note that these winding shafts and the combined body may be ones in which brackets for supporting both ends in the length direction of the winding shaft are attached in advance.

  In addition to the above, the building material lifting apparatus according to the present invention can also be used for lifting a building material such as a beam member or a girder member whose both ends in the longitudinal direction are held at the upper ends of columns.

  Further, in the present invention, as described above, the frame-like structure is raised to a position slightly lower than a high position for holding both ends in the longitudinal direction of the building material by the two holding members. For this purpose, the lifting device for building materials according to the present invention may be provided with a lifting means for lifting the frame-like structure.

  The lifting means may be a forklift vehicle, a crane vehicle, a chain block, a hoist, or the like.

  When the lift means is a forklift vehicle, the frame-like structure is preferably an attachment table which is detachably set on a fork of the forklift vehicle.

  When the frame-like structure is an attachment table that is detachably set to a fork of a forklift vehicle, the attachment and detachment of the frame-like structure to and from the forklift vehicle can be easily performed, and workability is improved.

  According to the present invention, the lifting operation of the building material can be performed while making the position of each end in the length direction of the building material coincide with the holding position by the two holding members in three dimensions of left, right, front, back, and up and down. The effect can be obtained.

FIG. 1 is a front view showing the entirety of a shutter device including a winding shaft as a building material to which a lifting device according to an embodiment of the present invention is applied. FIG. 2 shows a state in which both ends in the length direction of the winding shaft are held by brackets serving as holding members provided at two places at a height of a structure on which the shutter device is installed. It is a front view. FIG. 3 is a plan view showing the entire frame-like structure constituting the lifting device according to one embodiment of the present invention. FIG. 4 is a front view showing the entire frame-like structure. FIG. 5 is a sectional view taken along line S5-S5 in FIG. FIG. 6 is a sectional view taken along line S6-S6 of FIG. FIG. 7 is a sectional view taken along line S7-S7 of FIG. FIG. 8 is a side view showing the entire frame-like structure. FIG. 9 is a side sectional view showing an X-shaped link mechanism provided in the frame-shaped structure. FIG. 10 is a sectional view taken along line S10-S10 in FIG. FIG. 11 is a front sectional view showing a guide roller portion of the front-rear guide means shown in FIG. FIG. 12 is a front sectional view showing a side roller portion of the front-rear guide means shown in FIG. FIG. 13 is a view similar to FIG. 8, showing a state where the mounting member serving as a support member for supporting the take-up shaft is lifted by the vertical movement mechanism. FIG. 14 is a side view showing a state where the frame-like structure is attached to a fork of a forklift vehicle as a lift means. FIG. 15 is a front view showing a state where the frame-like structure is lifted by a fork of a forklift vehicle, and is a diagram showing the forklift vehicle by a two-dot chain line. FIG. 16 is a side view showing a state where the end of the winding shaft placed on the placing member of the frame-like structure is held by the bracket. FIG. 17 shows an enlarged distance between the two mounting half members constituting the mounting member in order to increase the diameter of the winding shaft mounted on the mounting member of the frame-like structure. FIG. 9 is a view similar to FIG. FIG. 18 is a view similar to FIG. 8, showing a state in which a building material mounted on the mounting member of the frame-like structure is a combination of a winding shaft and a shutter curtain.

  An embodiment for carrying out the present invention will be described below with reference to the drawings. FIG. 1 is an overall front view of a shutter device assembled using a building material to which a building material lifting device according to an embodiment of the present invention is applied. The shutter device installed in a building, which is a structure, has a shutter curtain 1 that opens and closes an entrance 10 that is an opening formed in the building in a vertical direction, and a guide device that guides the vertical movement of the shutter curtain 1. And two guide rails 2 on the left and right sides which are attached to a frame 7 such as a pillar which is an immovable member of the building, and both ends in the width direction of the shutter curtain 1 are slidably inserted vertically, and above the entrance 10. Two left and right brackets 3 attached to a frame 8 such as a wall provided as a stationary member of a building, and a winding shaft in which both ends in the axial direction, which is the length direction, are held by these brackets 3. The upper end is connected to a take-up shaft 4 that is horizontally or substantially horizontally laid over two brackets 3 serving as holding members for holding both ends of the take-up shaft 4 in the axial direction. Shi A combination of an electric motor and a brake attached to one of the two brackets 3 for rotating the take-up shaft 4 forward and backward so that the curtain 1 is taken up by the take-up shaft 4 and fed out from the take-up shaft 4. And a driving force transmission device 6 such as a sprocket wheel or a chain for transmitting the driving force of the switching device 5 to the winding shaft 4. A shutter case 9 for accommodating therein the winding shaft 4 having a horizontal direction or a substantially horizontal direction is attached.

  The shutter shaft 1 whose upper end is coupled to the winding shaft 4 by rotating the winding shaft 4, whose both ends in the longitudinal direction are held by the two brackets 3, forward and reverse by the driving force of the switch 5. Is moved up and down while being guided by the guide rails 2 at the entrance 10 to open and close the entrance 10. When the shutter curtain 1 is fully closed, the seat plate 1A forming the lower end of the shutter curtain 1 is placed on the floor. Reach 11. When the shutter curtain 1 is fully opened, the seat plate 1A reaches the lower surface 9A of the shutter case 9 in which a slit for vertically inserting the shutter curtain 1 is formed. The entrance 10 is entirely or almost entirely opened. Therefore, all or almost all of the entrance 10 is opened and closed by the shutter curtain 1.

  The upper end of the shutter curtain 1 connected to the winding shaft 4 is formed by a hanging member (not shown). The hanging member and the seat plate 1A forming the lower end of the shutter curtain 1 are connected to each other. As shown in FIG. 1, all or most of the shutter curtain 1 is formed by a plurality of slats 1 </ b> B arranged vertically and curled at upper and lower ends of each slat 1 </ b> B. The slats 1B are connected to each other by the portions being rotatably engaged with each other.

  In this shutter device, since the shutter curtain 1 and the winding shaft 4 are members for constituting a shutter device installed in a building, these shutter curtain 1 and the winding shaft 4 are used in this embodiment. It is a building material for such a shutter device. In addition, a lifting device for building materials according to an embodiment of the present invention, which will be described later, includes a shutter curtain 1 and a winding shaft 4 for an automatic shutter device in which the shutter curtain 1 is opened and closed by a switch 5, and a manual operation. The present invention can also be applied to a shutter curtain and a winding shaft for a manual shutter device in which a shutter curtain is opened and closed by an operation.

  In FIG. 2, both ends in the length direction of the winding shaft 4 shown in FIG. 1 are separated by two brackets 3 attached to the frame 8 at intervals in the length direction of the winding shaft 4. The state at the time when the held work is completed is shown. FIG. 2 shows that the joining operation of the upper end of the shutter curtain 1 to the winding shaft 4 has not been performed yet, and the attaching operation of the guide rail 2 to the frame 7 and the attaching operation of the shutter case 9 to the frame 8 are performed. Also shows the state when it has not been performed yet.

  In the present embodiment, as shown in FIG. 2, both ends in the axial direction of the winding shaft 4 are formed with small-diameter necks 4 </ b> A. Is inserted into the concave portion 3A (see also FIG. 16) formed to open toward the front end, so that both ends of the take-up shaft 4 in the axial direction are held by the two brackets 3. A bearing member 12 shown in FIG. 2 is rotatably arranged on each neck 4A, and these bearing members 12 are connected to the bracket 3 by bolts or the like, so that the winding shaft 4 Is rotatably held by the bracket 3 via the bearing member 12.

  FIG. 3 is an overall plan view of the frame-like structure 20 constituting the building material lifting device according to one embodiment of the present invention, and FIG. 4 is an overall front view of the frame-like structure 20. FIG. 8 is an overall side view of the frame-like structure 20. As shown in FIGS. 3 and 4, the frame-shaped structure 20 has two basic members 21 that are arranged apart from each other in the left-right direction that is the length direction of the winding shaft 4. The forelift 81 of the forklift vehicle 80 shown in FIG. 14 has a front extension 81C that extends forward of the forklift vehicle 80 inserted into these basic members 21 whose longitudinal direction is the front-rear direction. Therefore, these basic members 21 are formed of rectangular tube members. As shown in FIG. 3, the frame-shaped structure 20 includes two first intermediate members 22 that are arranged side by side in the front-rear direction with the left-right direction being the length direction. The first intermediate member 22 has a second intermediate member 23 that is disposed at the center in the longitudinal direction and the longitudinal direction is the longitudinal direction.

  The two first intermediate members 22 are placed on the upper surfaces of the respective basic members 21 as shown in FIG. 4 and FIG. 5 which is a cross-sectional view taken along line S5-S5 in FIG. The first intermediate member 22 is connected to each of the basic members 21 by a bracket 24. Also, as shown in FIG. 5, the second intermediate members 23 are arranged above the respective first intermediate members 22 with a small gap therebetween, and the second intermediate members 23 and the first intermediate members 22 are arranged. Between them, a left / right moving mechanism 25 using a linear cylinder for moving the second intermediate member 23 in the left / right direction with respect to the first intermediate member 22 is disposed. In the present embodiment, as shown in FIG. 3, the left and right moving mechanism 25 is bridged between the second intermediate members 23 and both ends of each of the first intermediate members 22 in the longitudinal direction. Therefore, a total of four left and right moving mechanisms 25 are arranged on the frame-shaped structure 20. Each left and right moving mechanism 25 includes an electric motor, a male screw member rotated by the electric motor, and a female screw member screwed to the male screw member. Due to the movement of the members, the second intermediate member 23 moves in the left-right direction with respect to the two first intermediate members 22 and the two basic members 21 to which the first intermediate members 22 are attached.

  As shown in FIG. 3, the frame-shaped structure 20 includes two first girder members 26 having a length direction in the left-right direction outside the two first intermediate members 22. It has been established. As shown in FIG. 4, these girder members 26 disposed above the two basic members 21 are shown in FIG. 6 which is a cross-sectional view taken along line S6-S6 of FIG. As shown in FIG. 7 which is a cross-sectional view taken along the line S7, it is formed by a channel material having a pair of lip portions 26A opened downward. As shown in FIG. 3, both ends in the length direction of the second intermediate member 23 reach the upper side of the beam members 26, and both ends in the length direction of the second intermediate member 23 are formed. The lower surface is joined to the upper surfaces of these spar members 26 by welding or the like. Therefore, when the second intermediate member 23 moves in the left-right direction with respect to the two first intermediate members 22 and the two basic members 21 by the left and right moving mechanism 25, the two spar members 26 also become two It moves in the left-right direction with respect to the first intermediate member 22 and the two basic members 21.

  In order to smoothly move the two girder members 26 in the left-right direction with respect to the two basic members 21, as shown in FIG. 27 are provided. As shown in FIGS. 6 and 7, these left and right guide means 27 include a bearing member 28 fixed to the upper surface of each basic member 21, and the axial direction of the bearing member 28 is the front-rear direction. A shaft member 29 supported horizontally, two guide rollers 30 rotatably attached to both ends of the shaft member 29, and two provided at a bearing member 28 in the front-rear direction. Has a vertical shaft member 31 and side rollers 32 rotatably mounted on these shaft members 31. The guide roller 30 and the side roller 32 are It is located inside. Therefore, the left and right movement of the two girder members 26 with respect to the two basic members 21 by the left and right moving mechanism 25 is performed while the weight of the girder member 26 is received by the guide roller 30. The member 26 is accurately moved in the left-right direction with respect to the two basic members 21 without being swung in the front-rear direction by the guiding action of the side rollers 32.

  As shown in FIG. 3, the frame-like structure 20 includes two beams whose longitudinal direction is the longitudinal direction above both ends of the two beam members 26 in the longitudinal direction. The members 33 are arranged side by side in the left-right direction, and these beam members 33 are also shown in FIGS. 4 and 8. The lower surface of each beam member 33 is the upper surface of the two beam members 26. Are connected by welding or the like. Therefore, when the two girder members 26 move in the left-right direction with respect to the two basic members 21 by the left-right moving mechanism 25, the two beam members 33 also move in the left-right direction with respect to the two basic members 21. I do.

  On the upper side of each beam member 33, as shown in FIG. 8, the longitudinal direction is the same as the beam member 33, and the length dimension is longer than the length dimension of the beam member 33. The shortened elevating member 34 is arranged with a small gap between the elevating member 34 and the beam member 33. The elevating member 34 is movable in the front-rear direction with respect to the beam member 33. In order to smoothly move the elevating member 34 in the front-rear direction with respect to the beam member 33, the elevating member 34 and the elevating member 34 shown in FIG. As shown in FIG. 9, which shows the member 34 in cross section, a longitudinal guide means 35 is provided between the beam member 33 and the elevating member 34.

  The front-rear guide means 35 according to the present embodiment is connected to the lifting member 34 via a base member 36A (see also FIG. 4) of a pantograph mechanism 36 connected to a lower portion of a high-order portion 34B at the rear of the lifting member 34. As shown in FIGS. 11 and 12, which show cross-sectional views of the bearing member 37 and the location of the front-rear guide means 35, the bearing member 37 is horizontally supported with the axial direction being the left-right direction. A shaft member 38, two guide rollers 39 rotatably attached to both ends of the shaft member 38, and two guide rollers 39 are provided on the bearing member 37 so as to be separated in the left-right direction. Shaft members 40 and side rollers 41 rotatably attached to these shaft members 40. The guide roller 39 and the side roller 41 are disposed inside a beam member 33 formed of a channel material having a pair of lip portions 33A that open upward, and the side roller 41 is shown in FIG. As described above, it is provided at both front and rear ends of the bearing member 37. Therefore, the vertical movement of the lifting member 34 with respect to each beam member 33 is performed while the weight of the lifting member 34 is received by the guide roller 39, and the lifting member 34 is guided by the side roller 41. It moves accurately in the front-back direction with respect to the beam member 33 without being swung in the left-right direction. For this reason, the elevating member 34 is also a forward / backward moving member that also moves in the forward / backward direction.

  As shown in FIG. 8, between the beam member 33 and the elevating member 34, or of the two girder members 26 to which the beam member 33 is coupled, the front girder member 26 and the elevating member 34 Between the beam members 33, a forward / backward moving mechanism 42 by a linear cylinder for moving the elevating member 34 in the forward / backward direction is disposed. The front-rear moving mechanism 42 includes an electric motor, a male screw member rotated by the electric motor, and a female screw member screwed to the male screw member, like the left-right moving mechanism 25 described above. By the movement of the female screw member due to the forward and reverse rotation of the motor, the lifting member 34 moves in the front-rear direction with respect to the beam member 33 while being guided by the front-rear guide means 35.

  As shown in FIG. 3, the front-rear movement mechanism 42 of the present embodiment is provided on both left and right sides of the beam member 33 and the elevating member 34 disposed at the left and right ends of the frame-shaped structure 20. There are two types of front and rear moving mechanisms 42A and 42B. One of the front and rear moving mechanisms 42A is a front side of the two beam members 26 to which the beam member 33 is connected, and a side of the lifting member 34. Of the above-mentioned pantograph mechanism 36 which is a member of the above-mentioned pantograph mechanism 36, and the other front-rear movement mechanism 42B is a beam member 33 and a pantograph mechanism which is a member on the side of the elevating member 34. 36 and 36A. Since the two types of front and rear moving mechanisms 42A and 42B are arranged on both left and right sides of the beam member 33 and the elevating member 34, as described later, the elevating member 34 becomes a heavy building material. Even if the weight of the winding shaft 4 shown in FIG.

  It should be noted that one end of the front-rear movement mechanism 42 is not connected to the base member 36A of the pantograph mechanism 36, but is connected to the elevating member 34, thereby connecting the front-rear movement mechanism 42 to the beam member 33. Of the individual girder members 26, it may be bridged between the front girder member 26 and the elevating member 34 or between the beam member 33 and the elevating member 34.

  As shown in FIG. 4, the pantograph mechanism 36 disposed between the above-described high-order portion 34B formed at the rear portion of the elevating member 34 and the bearing member 37 of the front-rear guide means 35 has a rhombic shape. Shafts for rotatably connecting the four link members 45 to 48 thus formed and the mutually approaching ends of the two upper link members 45 and 46 to the upper member 36B connected to the higher portion 34B. 49, 50; shafts 51, 52 for rotatably connecting the mutually approaching ends of the two lower link members 47, 48 to the above-described base member 36A; An electric motor 54 attached to a shaft 53 rotatably connecting the ends of two link members 46 and 48 arranged on the side, and a male screw rotating forward and reverse by the driving force of the electric motor 54 Rod 55 and this male screw A female screw member 57 attached to a shaft 56 rotatably connecting the ends of two link members 45 and 47 disposed on the other side in the left-right direction and screwed to the outer circumference of the left and right direction. It is comprised including. When the male screw bar 55 rotates forward and reverse by the electric motor 54, the female screw member 57 moves in the length direction of the male screw bar 55, so that the rhombus formed by the four link members 45 to 48 is deformed and the elevating member is moved. 34 moves up and down with respect to the beam member 33.

  For this reason, the pantograph mechanism 36 also serves as a vertical movement mechanism 43 for vertically moving the lifting member 34 with respect to the beam member 33. FIG. 13 shows a state in which the elevating member 34 is raised with respect to the beam member 33 by the vertical movement mechanism 43.

  As shown in FIG. 9, between the beam member 33 and the elevating member 34, an X-shaped link mechanism 60 in which a first link member 58 and a second link member 59 are crossed in an X shape. Is arranged. As shown in FIGS. 11 and 12, the lifting member 34 is a cross-sectional view taken along the line S10-S10 in FIG. 9 with respect to the beam member 33 formed of a channel material having a pair of lips 33A opened upward. As shown in FIG. 10, two X-shaped link mechanisms are formed inside the beam member 33 and the elevating member 34 by forming a channel material having a pair of lip portions 34A opened downward. The first link member 58 and the second link member 59 of both X-shaped link mechanisms 60 are located at the center where the first and second link members 58 and 59 intersect. They are connected by a center shaft 61 provided rotatably. As can be seen from FIGS. 9 and 10, at one end in the length direction of the first link member 58, a shaft 62 </ b> A supported by a bearing member 62 fixedly arranged inside the elevating member 34 is rotatable. A roller 63 is attached to the other end so as to be rotatable around a shaft 63A. Further, rollers 64 and 65 are attached to both ends in the length direction of the second link member 59 so as to be rotatable about shafts 64A and 65A. The roller 64 is disposed inside the elevating member 34, and the rollers 63 and 65 are disposed inside the beam member 33.

  As shown in FIG. 10, the roller 64 is placed on the inner upper surface of the lip 34 </ b> A of the elevating member 34. Further, the shafts 62A, 63A, 64A, and 65A are common to the first link member 58 and the second link member 59 of the X-shaped link mechanism 60 that are disposed two on the left and right inside the beam member 33 and the elevating member 34. Axis.

  In the X-shaped link mechanism 60 described above, when the elevating member 34 moves in the front-rear direction with respect to the beam member 33 by the front-rear moving mechanism 42, the elevating member 34 moves back and forth with respect to the beam member 33 by the rotation of the rollers 63 to 65. Move in the direction. Further, when the elevating member 34 moves up and down with respect to the beam member 33 by the up-and-down moving mechanism 43 by the pantograph mechanism 36, the first link member 58 and the second link member 59 rotate about the central axis 61. Due to the deformation of the X-shaped link mechanism 60 and the rotation of the rollers 63 to 65, the elevating member 34 moves up and down with respect to the beam member 33.

  In the present embodiment, the vertical movement mechanism 43 by the pantograph mechanism 36 is provided at one end of the beam member 33 and the elevating member 34 in the longitudinal direction, specifically, the length of the beam member 33 and the elevating member 34. The X-shaped link mechanism 60 is provided at the rear end of the beam member 33 and the elevating member 34 in the longitudinal direction, as shown in FIGS. 8, 9 and 13. Or since it is arrange | positioned in the substantially center part, the up-down movement of the raising / lowering member 34 with respect to the beam member 33 by the up-down movement mechanism 43 can be performed, maintaining the parallel state or the substantially parallel state of the raising / lowering member 34 with respect to the beam member 33. I can do it.

  As shown in FIG. 10, two wall members 66 are fixedly arranged on the upper surface of the elevating member 34 so as to be separated from each other in the left and right directions, and as shown in FIG. Has a length in the front-rear direction, a groove 67 having a length in the front-rear direction is formed on the upper surface of the elevating member 34 between the two wall members 66 (FIG. 8). See also). As shown in FIG. 3, such grooves 67 are provided on the upper surface of each of the two lifting members 34 arranged at both left and right ends of the frame-shaped structure 20. A mounting member 68 for mounting the winding shaft 4 shown in FIG. 2 on the elevating member 34 is inserted into each groove 67 and has a larger vertical dimension than the wall member 66. These mounting members 68 are two supporting members provided on the frame-shaped structure 20 apart from each other in the longitudinal direction of the winding shaft 4 in order to support the winding shaft 4.

  As shown in FIGS. 3 and 8, the mounting member 68 according to the present embodiment is disposed in a horizontal direction orthogonal to the length direction of the winding shaft 4 or in a front-rear direction that is substantially horizontal. This is due to the two mounting half members 68A. Further, since each of the mounting half members 68A is placed in the groove 67, the operator can manually change the arrangement position of each of the mounting half members 68A in the groove 67. The interval between the two mounting half members 68A is adjustable.

  In the frame-like structure 20 constituting the building material lifting device according to the present embodiment described above, two girder members 26 are attached to the basic member 21 by the left and right movement mechanism 25 shown in FIG. When moving in the left-right direction, the two beam members 33 connected to these spar members 26 also move in the left-right direction, and the respective lifting members 34 disposed above these beam members 33 are provided with a pantograph mechanism. Since the beam member 33 is connected in the left-right direction via the forward and backward movement mechanism 35, the lifting member 34 moves in the left-right direction together with the beam member 33, and the mounting member disposed on the lifting member 34 The member 68 also moves in the left-right direction. When the elevating member 34 moves in the front-rear direction with respect to the beam member 33 by the above-described front-rear movement mechanism 42, the placing member 68 also moves in the front-rear direction. Further, when the elevating member 34 moves up and down with respect to the beam member 33 by the up and down moving mechanism 43 by the pantograph mechanism 36, the placing member 68 also moves up and down.

  For this reason, as the supporting member for supporting the winding shaft 4, the two mounting members 68 that are arranged in the frame-shaped structure 20 apart from each other in the length direction of the winding shaft 4 are connected to the left and right moving mechanism 25. The three-dimensional movement in the left-right, front-back, and up-and-down directions by the front-rear movement mechanism 42 and the up-down movement mechanism 43 is possible, and it is arranged in the frame-shaped structure 20.

  Further, in the present embodiment, the above-described two first intermediate members 22, second intermediate members 23, and two members coupled to the second intermediate members 23 of the respective members constituting the frame-shaped structure 20. The left and right moving tables 44 (see FIG. 3) that move in the left and right directions by the left and right moving mechanism 25 with respect to the basic member 21 by the spar members 26 and the two beam members 33 coupled to the respective spar members 26. Is configured. In addition, the elevating member 34 that moves in the front-rear direction with respect to the beam member 33 by the front-rear movement mechanism 42 is also a front-rear movement table that is movable in the front-rear direction with respect to the left-right movement table 44. Since there are two elevating members 34, two front and rear moving tables are also provided on the frame-shaped structure 20, and one mounting member 68 is arranged on each of the front and rear moving tables.

  Further, in the present embodiment, the two-dimensional movement that moves in the left-right direction and the front-rear direction by the left-right moving mechanism 25 and the front-rear moving mechanism 42 with respect to the basic member 21 by the left-right moving table 44 and the front-rear moving table by the elevating member 34. Since the table is configured and two mounting members 68 are arranged on the two lifting members 34, two mounting members 68 are arranged on the two-dimensional moving table. Will be.

  In addition, since the respective lifting members 34 serving as the front and rear moving tables are also moved in the vertical direction with respect to the left and right moving tables 44 by the vertical moving mechanism 43, the respective front and rear moving tables are moved with respect to the left and right moving tables 44. It is movable in the up-down direction, and one mounting member 68 of two mounting half members 68A is arranged for each of these front and rear moving tables.

  Further, in the present embodiment, each of the elevating members 34 is a member that moves in the up-down direction with respect to the beam member 33 and also serves as a front-rear moving table that moves in the front-rear direction with respect to the beam member 33. Therefore, when compared with the case where the member moving in the vertical direction and the member moving in the front-rear direction are separate members, the frame-shaped structure 20 has a structure in which the members are shared. Thereby, the simplification of the structure is achieved by reducing the number of members.

  In the frame-shaped structure 20 described above, in order to supply electric power to the electric motor of the left and right moving mechanism 25, the electric motor of the front and rear moving mechanism 42, and the electric motor 54 of the pantograph mechanism 36 serving as the vertical moving mechanism 43. Although not shown, the battery and the control device for controlling these electric motors are mounted on the frame-shaped structure 20. Each of the electric motors is driven and controlled by the control device to which a signal is sent from an operation device operated by an operator. The signal transmission from the operating device to the control device may be wireless or may be wired using an electric cable. In the case of the wireless method, since no electric cable is connected to the frame-shaped structure 20, the handling of the frame-shaped structure 20 is facilitated.

  In the present embodiment, the control device that receives a signal from the operating device separately controls the electric motors 54 of the two pantograph mechanisms 36 that are arranged as the vertical movement mechanism 43 at the left and right ends of the frame-shaped structure 20. Drive control is performed in the following manner. For this reason, each pantograph mechanism 36 is individually driven by an operation by an operation device and a control device that operates based on the operation, whereby each of the pantograph mechanisms 36 moves vertically by these pantograph mechanisms 36. The height position of the mounting member 68 arranged on the member 34 is individually adjustable.

  Further, in the present embodiment, the control device controls the electric motors of the front-rear movement mechanism 42 provided for each of the two beam members 33 and the elevating members 34 disposed at the left and right ends of the frame-shaped structure 20. Drive control is performed individually. For this reason, the respective front-rear movement mechanisms 42 are also individually driven by the operation of the operation device and the control device that operates based on the operation, whereby the respective front-rear movement mechanisms 42 move in the front-rear direction. The position in the front-rear direction of the mounting member 68 arranged on the lifting member 34 can also be individually adjusted.

  FIG. 14 shows a state in which the frame-like structure 20 is set on a fork 81 of a forklift vehicle 80 serving as a lifting means for raising the frame-like structure 20. A fork 81 that moves up and down with respect to the main body of the forklift vehicle 80 includes a vertically extending portion 81A extending in the vertical direction, a front extending portion 81C extending forward from a lower end of the vertically extending portion 81A via a connecting portion 81B. L-shaped or substantially L-shaped. After the frame-like structure 20 is placed on the floor 82, the fork 81 is lowered to advance the forklift vehicle 80, so that the front extension portion 81C of the fork 81 is formed by the square tubular member of the frame-like structure 20. It is inserted into the formed basic member 21. As a result, the frame-like structure 20 is set on the fork 81 of the forklift vehicle 80.

  FIG. 3 shows the relationship between the basic member 21 and the fork 81 at this time by using a two-dot chain line for the fork 81. An opening 21A for fitting the vertically extending portion 81A and the connecting portion 81B of the fork 81 is formed on the upper surface of the rear end of each basic member 21. The opening 21A also opens the rear end surface of the basic member 21. It is what you do. At the rear end of each of the basic members 21, there is provided escape prevention means 83 which partially closes a portion of the opening 21 </ b> A that opens the rear end face of the basic member 21. The escape preventing means 83 includes a bolt 84 having a shaft 84A crossing the opening 21A in the left-right direction, and a nut 85 screwed to the end of the shaft 84A outside the basic member 21. The shaft portion 84A forming the main part of the escape preventing means 83 is provided at the rear side of the connecting portion 81B which connects the vertically extending portion 81A of the fork 81 and the front extending portion 81C in a curved manner. A part of the opening 21A that opens the rear end face of the basic member 21 is closed (see also FIG. 14 in which the escape prevention means 83 is shown).

  For this reason, after the frame-shaped structure 20 is set on the fork 81 of the forklift vehicle 80 as described above, when the escape preventing means 83 including the bolt 84 and the nut 85 is attached to the basic member 21, the basic member 21 The fork 81 is prevented from slipping forward from the front extension portion 81C by the shaft portion 84A of the bolt 84 of the escape preventing means 83 abutting on the connecting portion 81B of the fork 81. It can be set in a stable state by preventing falling off. Further, since the escape preventing means 83 includes the bolts 84 and the nuts 85 which can be separated from the basic member 21, by separating the bolts 84 and the nuts 85 from the basic member 21, the frame-like structure 20 is separated. It is also possible to remove it from the fork 81.

  For this reason, the frame-shaped structure 20 according to the present embodiment is an attachment table that is detachably set to the fork 81 of the forklift vehicle 80 serving as a lifting means for raising the frame-shaped structure 20. I have.

  FIG. 14 shows a state where the placing operation for placing the winding shaft 4 shown in FIG. 2 on the placing member 68 of the frame-like structure 20 has been completed. In this mounting operation, for example, the frame-like structure 20 set on the fork 81 is inserted by traveling of the forklift vehicle 80 under the transport vehicle on which the winding shaft is mounted, and then the fork 81 is raised. The frame-shaped structure 20 is also lifted to transfer the take-up shaft 4 from the mounting member provided on the carrier to the mounting member 68 of the frame-shaped structure 20. Of course, the winding shaft 4 may be mounted on the mounting member 68 of the frame-shaped structure 20 by other operations, for example, by using a device such as a chain block, or by a manual operation of an operator. .

  In addition, at least the bottom portion of the mounting member 68 that is in contact with the elevating member 34 has a large coefficient of friction with metal as a material of the elevating member 34, and is formed of, for example, natural rubber or synthetic rubber. Even when the winding shaft 4 is mounted on the mounting member 68, the two mounting half members 68A constituting the mounting member 68 do not move backward from the winding shaft 4.

  In FIG. 15, the forklift vehicle 80 is run to the installation site of the shutter device in order to hold the take-up shaft 4 on the two brackets 3 attached to the height of the frame 8 also shown in FIG. Later, a state where the frame-like structure 20 and the winding shaft 4 are lifted by raising the fork 81 is shown by a two-dot chain line of the forklift vehicle 80.

  In order to hold the winding shaft 4 on the two brackets 3, as can be seen from FIG. 16, the forklift vehicle 80, which is the above-described lifting means, is driven to a position near these brackets 3 and the fork 81 is moved. By raising, the height position of the winding shaft 4 mounted on the mounting member 68 of the frame-shaped structure 20 is raised to a position close to the height position where the bracket 3 is arranged. The lifting device 34 is moved upward by the operation of the vertical movement mechanism 43 provided on the frame-like structure 20 by the user operating the operation device described above, and the height of the winding shaft 4 mounted on the mounting member 68 is raised. The height position of the bracket 3 is matched with the height position of the bracket 3, and the left and right moving table 44 is moved in the left and right directions by the left and right moving mechanism 25, so that the winding shaft 4 placed on the placing member 68 is moved. The lateral position of the both ends in the longitudinal direction to match the lateral position of the bracket 3.

  Thereafter, by operating the operating device by the operator, the lifting member 34 is moved forward by the driving of the longitudinal movement mechanism 42 provided on the frame-shaped structure 20, and the winding shaft mounted on the mounting member 68. The bracket 4 is moved to a position where the bracket 3 is arranged, and the above-described neck 4A of the winding shaft 4 is inserted into a concave portion 3A provided in the bracket 3 so as to open forward. By performing this insertion operation on each of the two brackets 3, both ends in the length direction of the winding shaft 4 are held by the two brackets 3.

  As can be understood from the above description, according to the lifting device according to the present embodiment, in order to support the winding shaft 4, two of the lifting devices are provided in the frame-shaped structure 20 apart from each other in the length direction of the winding shaft 4. The mounting member 68 is movable in three dimensions of left and right, front and rear, and up and down by the left and right moving mechanism 25, the front and rear moving mechanism 42, and the up and down moving mechanism 43, and is arranged on the frame-shaped structure 20. The lifting operation of the winding shaft 4 can be performed while making the position of each end in the length direction of the winding shaft 4 coincide with the holding position by the two brackets 3 in the left, right, front, back, and up and down three dimensions. it can.

  Further, when performing the above-described operation, for example, the floor 86 on which the forklift vehicle 80 shown in FIG. 15 is inclined has an inclination angle, or the floor 86 is vertically moved to a height position where the two brackets 3 are arranged. In the case where there is some deviation, the height positions of both ends in the length direction of the winding shaft 4 do not coincide with the height positions of the concave portions 3A of the two brackets 3. For this reason, in such a case, the electric motors 54 of the two pantograph mechanisms 36 disposed at the right and left ends of the frame-shaped structure 20 are individually driven and controlled by the operation of the operation device by the operator, Thereby, the height positions of both ends in the length direction of the winding shaft 4 by the mounting members 68 provided on each of the two lifting members 34 are individually adjusted. After the height positions of both ends in the length direction are matched with the height positions of the concave portions 3A of the two brackets 3, the elevation member is driven by the front-rear movement mechanism 42 disposed in the frame-shaped structure 20. 34 is advanced, and both ends in the length direction of the winding shaft 4 are inserted into the concave portions 3A of the two brackets 3.

  As can be seen from this description, in the present embodiment, the two vertical movement mechanisms 43 arranged as the pantograph mechanism 36 on the frame-like structure 20 can be individually driven by the operating device and the control device. The vertical support position of the winding shaft 4 supported by the two mounting members 68 arranged in the frame-shaped structure 20 at a distance from each other in the length direction of the winding shaft 4 is adjusted by a vertical movement mechanism. 43 can be individually adjusted by individually driving them. Therefore, the lifting operation of the winding shaft 4 can be performed by adjusting the height position of each end of the winding shaft 4 in the longitudinal direction by two brackets. 3 can be performed while matching the height position.

  As shown in FIG. 15, when the forklift vehicle 80 is driven to the installation site of the shutter device on which the two brackets 3 are arranged and stopped, the forklift vehicle 80 When the forklift vehicle 80 faces the bracket 3 in an obliquely facing posture, the operator operates the operating device to move the left and right of the frame-shaped structure 20. Each of the electric motors of the front-rear moving mechanism 42 arranged at both ends is individually driven and controlled, whereby the two elevating members 34 are individually moved in the front-rear direction. The longitudinal positions of both ends in the longitudinal direction of the take-up shaft 4 by the mounting member 68 disposed on the The recess 3A of the bracket 3, inserting the both end portions in the length direction of the take-up shaft 4.

  As can be seen from this description, in the present embodiment, the forward and backward moving mechanisms 42 disposed at the left and right ends of the frame-shaped structure 20 can also be individually driven by the operating device and the control device. The front and rear of each end in the length direction of the winding shaft 4 supported by two mounting members 68 that are arranged on the frame-shaped structure 20 and separated from each other in the length direction of the winding shaft 4 The position in the direction can be adjusted individually by individually driving the respective front and rear moving mechanisms 42, so that both ends in the length direction of the winding shaft 4 are supported by the two brackets 3. Can be easily performed.

  Further, in the frame-shaped structure 20 according to the present embodiment, as shown in FIG. 9, between the beam member 33 and the elevating member 34, the first link member 58 and the second link member 59 are the main members. An X-shaped link mechanism 60 configured as described above is disposed, and the X-shaped link mechanism 60 is used when the take-up shaft 4, which is a heavy material, is mounted on the mounting member 68 of the elevating member 34. The winding shaft 4 is disposed at a position that coincides with or substantially coincides with a position in the front-rear direction where the downward weight of the winding shaft 4 acts. Can be effectively supported by the X-shaped link mechanism 60 and transmitted to the beam member 33. In other words, in order to support the downward weight of the winding shaft 4, the X-shaped link mechanism 60 moves up and down with the beam member 33 at a position that coincides or substantially coincides with a position in the front-rear direction where this weight acts. A supporting mechanism is provided so as to be vertically deformable between the supporting member 34 and the supporting member, so that even if the winding shaft 4 is placed on the placing member 68, the lifting member 34 can move the beam member 33. Can be prevented.

  In addition, the downward weight of the winding shaft acts on the pantograph mechanism, which is the above-described vertical movement mechanism for vertically moving the lifting member with respect to the beam member, between the beam member and the lifting member. By arranging the elevating member at two positions before and after the position, the elevating member may be prevented from being inclined with respect to the beam member. When the above-mentioned pantograph mechanism 36 is disposed between the rear end of the beam member 33 and the rear end of the elevating member 34 as in the present embodiment, the distance between the beam member 33 and the elevating member 34 In the above, the pantograph mechanism is disposed at a position in the front-rear direction where the downward weight acts on the winding shaft or at a position close to this position, thereby preventing the lifting member 34 from being inclined with respect to the beam member 33. You may do so.

  As described above, after the operation of inserting the necks 4A provided at both ends in the length direction of the winding shaft 4 into the recesses 3A of the two brackets 3 is performed, the necks 4A are rotatably disposed on the necks 4A. The operation of connecting the bearing member 12 to the bracket 3 with bolts or the like, the operation of attaching the switch 5 and the driving force transmission device 6 shown in FIG. By performing the remaining work such as the work of connecting the upper end of the shutter curtain 1 to the shaft 4, the work of attaching the guide rail 2 to the frame 7 such as a pillar, and the work of attaching the shutter case 9 to the frame 8, Is completed.

  FIG. 17 shows a case where a take-up shaft 4 ′ having a larger diameter than the take-up shaft 4 is placed on the placing member 68. The winding shaft 4 ′ is a building material having a larger dimension in the front-rear direction, which is a horizontal direction or a substantially horizontal direction perpendicular to the length direction of the winding shaft 4, than the winding shaft 4. The interval between the two mounting half members 68A arranged in the groove 67 provided in the elevating member 34 is determined, and the arrangement position of at least one mounting half member 68A among the mounting half members 68A is adjusted. It is changed in the front-back direction by the adjustment by the person.

  Also, FIG. 18 shows that the building material placed on the placing member 68 is coupled to the winding shaft 4 at the upper end to open and close the winding shaft 4 and the entrance 10 of the building shown in FIGS. In this case, a combined body 87 with the shutter curtain 1 wound around the winding shaft 4 is shown. Since the combined body 87 has a larger diameter than the winding shaft 4 'in FIG. 17, the space between the two mounting half members 68A is made larger than the space shown in FIG.

  As described above, the mounting member 68 according to the present embodiment includes the two mounting half members 68A arranged in the front-rear direction, and the interval between the mounting half members 68A is adjustable. The mounting member 68 has versatility for various winding shafts having different dimensions in the direction and for a combination of the winding shaft and the shutter curtain.

  INDUSTRIAL APPLICABILITY The present invention can be used, for example, for lifting a winding shaft serving as a building material for a shutter device or a combined body of a winding shaft and a shutter curtain.

DESCRIPTION OF SYMBOLS 1 Shutter curtain 3 Bracket which is a holding member 4, 4 'Take-up shaft 4A Neck which is the end of the take-up shaft in the longitudinal direction 10 Opening 20 Frame-like structure 21 Basic member 25 Left-right moving mechanism 33 Beam member 34 Front and back Elevating member which is also a moving table 42 Back and forth moving mechanism 36 Pantograph mechanism 43 Up and down moving mechanism by pantograph mechanism 44 Left and right moving table 60 X-shaped link mechanism as a supporting mechanism 68 Placing member as a supporting member 68A Placing half member 80 Lifting means Forklift vehicle 81 Fork 87 Combined body of winding shaft and shutter curtain

Claims (12)

The building material is lifted in order to hold both ends in the length direction of the building material in which the arrangement location is the height of the structure and the length direction is horizontal or substantially horizontal with two holding members. Material lifting equipment for
The frame-like structure, comprising: two support members provided apart from each other in the longitudinal direction of the building material to support the building material; and a frame-like structure in which these support members are arranged. Has a moving mechanism for moving the support position of the building material by the two support members in the left-right direction that is the length direction of the building material, the front-back direction, and the up-down direction. A lifting device for building materials, characterized in that:   2. The building material lifting device according to claim 1, wherein the frame-like structure is configured to include a basic member and a two-dimensional movable table movable in the left-right direction and the front-rear direction with respect to the basic member. A lifting device for building materials, wherein the two support members are arranged on the two-dimensional movable table so as to be movable in the vertical direction.   The lifting device for building materials according to claim 2, wherein the two-dimensional moving table is disposed so as to be movable in the left-right direction with respect to the basic member, and the front and rear with respect to the left-right moving table. A front-rear moving table that is movable in the direction, the front-rear moving table is vertically movable with respect to the left-right moving table, and the support member is disposed on the front-rear moving table. A lifting device for building materials.   4. The lifting device for building materials according to claim 3, wherein there are two said front and rear moving tables, and one said support member is arranged on each of said front and rear moving tables.   5. The lifting device for a building material according to claim 1, wherein each of the two support members is a mounting member on which the building material is mounted. 6.   The lifting device for a building material according to claim 5, wherein each of the placing members comprises two placing half members arranged in the front-rear direction.   The lifting device for building materials according to claim 6, wherein an interval between the two mounting half members is adjustable.   The lifting device for building materials according to any one of claims 5 to 7, wherein the placing member is disposed on a vertically movable member that is vertically movable among members constituting the frame-shaped structure, The lifting device for a building material, wherein the member is supported by a support mechanism that is disposed at a position that matches or substantially matches a position where the downward weight of the building material acts, and is vertically deformable.   The construction material lifting device according to any one of claims 1 to 8, wherein the construction material is a take-up shaft for taking up a shutter curtain that opens and closes an opening formed in the structure so as to be able to be fed out freely. A lifting device for building materials.   The building material lifting device according to any one of claims 1 to 8, wherein the building material is a winding shaft for winding a shutter curtain that opens and closes an opening formed in the structure so as to be able to be fed out freely. A lifting device for a building material, wherein an upper end is coupled to a winding shaft, and is a combination with the shutter curtain wound around the winding shaft.   The building material lifting device according to any one of claims 1 to 10, further comprising a lifting means for lifting the frame-shaped structure.   The lifting device for building materials according to claim 11, wherein the lifting means is a forklift vehicle, and the frame-like structure is an attachment table that is detachably set on a fork of the forklift vehicle. Lifting equipment for building materials.

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