JP2021127576A - Lifting device for construction material and its operation method - Google Patents

Abstract

To provide a lifting device for construction materials of which an operator can perform the operation to lift construction materials up to the predetermined positions where the construction materials are to be placed while easily confirming from time to time the height of the construction materials, and its operation method.SOLUTION: A lifting device for construction materials 1 is provided with a mounting member for mounting construction materials such as fire door 30, the construction materials are moved up and down by moving the mounting member up and down, the mounting member moves up and down by driving force of an electric motor controlled by signals from an actuator 35, the actuator 35 can be attached to and removed from the construction materials, by operating the actuator 35 attached to the construction materials when it is mounted on the mounting member, operation of moving the mounting member up and down to move the construction materials up and down is performed.SELECTED DRAWING: Figure 12

Description

The present invention relates to a building material elevating device for raising and lowering a building material and an operation method thereof by moving the mounting member up and down to mount the building material, for example, on a hinged door including a fire door or a sliding door device. Sliding doors including hanging sliding doors, folding doors of folding door devices, door frames that open and close the inner doorway, and various building materials such as partitions, shutter curtains of shutter devices, wall materials, floor materials, and ceiling materials. Can be used to move up and down and place the door at a predetermined height position.

The following Patent Document 1 shows an elevating device for building materials for moving a building material up and down, and this device includes a mounting member for mounting the building material, and the upper and lower parts of the mounting member are provided. The building material is moved up and down by movement.

Japanese Unexamined Patent Publication No. 2019-11671 (FIGS. 21 to 25)

In the building material lifting device for moving the building material up and down by the vertical movement of the mounting member for mounting the building material, the work of moving the building material up and down to a predetermined height position where the building material should be placed is performed. It is required to be able to carry out the work while easily confirming the height position of the building material at that time.

An object of the present invention is for a building material that enables an operator to easily move the building material up and down to a predetermined height position where the building material should be placed while easily checking the height position of the building material at that time. It is a place to provide an elevating device and a method for operating the elevating device.

The building material lifting device according to the present invention includes a mounting member for mounting the building material, and in the building material lifting device that raises and lowers the building material by the vertical movement of the mounting member, the above-mentioned mounting member is used. , It moves up and down by the driving force of the electric motor controlled by the signal from the actuator, and the actuator is attached to the building material and can be removed, and when it is mounted on the above-mentioned mounting member. It is characterized in that the above-mentioned placing member is moved up and down by operating the operating device attached to the building material.

As described above, in the building material lifting device according to the present invention, the mounting member for mounting the building material is moved up and down by the driving force of the electric motor controlled by the signal from the operator. This operator is attached to and removable from the building material, and the building material is moved up and down by the operation of the operator attached to the building material when it is mounted on the building material. The work of moving the building material up and down to a predetermined height position to be arranged can be performed by the operator while easily checking the height position of the building material at that time, which changes due to the vertical movement of the mounting member.

In the above-mentioned lifting device for building materials according to the present invention, in order to attach the actuator to the building material and make it removable, the actuator may be attached to the building material with a fastener such as a screw and made removable, or The actuator may be attached to the building material with an adhesive material containing double-sided adhesive tape to make it removable, or by providing a sandwiching member for sandwiching the actuator, a hooking member for hooking the actuator, etc. on the building material or the actuator. , The actuator may be attached to the building material and made removable, or the actuator may be provided with suction means and the actuator may be attached to the building material and made removable by the suction force of the suction means.

Of these, if a suction means is provided on the operating device and the operating device is attached to the building material and made removable by the suction force of the suction means, the operation of attaching the operating device to the building material and the work of removing the operating device from the building material can be performed. It is easy to do, and it is possible to attach the actuator to the building material and remove the actuator from the building material without providing a place for screwing the fastener into the building material, and the adhesive material to the building material. Further, it is not necessary to prepare a sandwiching member for sandwiching the actuator, a hooking member for hooking the actuator, and the like.

The suction means provided on the actuator may be a suction cup or a magnet. When the suction means is a magnet, unlike the suction cup, the actuator can be easily attached to the building material without strongly pressing the actuator against the building material.

Further, when the operating device has an operating unit to be operated on the front surface, it is preferable to provide a suction means such as a suction cup or a magnet on the back surface of the operating device. According to this, the operation unit arranged on the surface of the actuator can be operated without being affected by the suction means.

Further, the operator of the lifting device for building materials according to the present invention may be one that controls the drive of the electric motor by a wireless method, or may be one that controls the drive of the electric motor by a wired method. If the operator controls the drive of the electric motor by a wireless method, operability, portability, handleability, and the like can be improved.

Further, the building material elevating device according to the present invention may not be provided with traveling wheels, or may be provided with traveling wheels, and the traveling wheels move the building material up and down by moving the mounting member up and down. It may be possible to travel to the place where it is allowed to travel.

Of these, the building material elevating device according to the present invention is provided with traveling wheels, and it is assumed that the traveling wheels can travel to a place where the building material is moved up and down by the vertical movement of the mounting member. The building material lifting device is not only a device for moving the building material up and down by moving the mounting member up and down, but also a transport trolley that can be used to transport the building material to the installation site, whereby the building material can be used as the building material. It is possible to efficiently carry out the work of transporting the building material to the installation location, and then moving the building material up and down to a predetermined height position to arrange the building material at a predetermined location.

When the building material elevating device according to the present invention is provided with traveling wheels, the building material elevating device is a self-propelled type in which the traveling wheels are rotated by a driving force from a drive source such as an electric motor. It may be a manual traveling type in which the traveling wheel rotates and travels by a manual operation such as pushing by an operator.

Further, the main body of the elevating device for building materials according to the present invention is provided with an internal space, and the above-mentioned electric motor for moving the mounting member up and down is provided from the internal space of the main body to at least a part of the electric motor. May be exposed and attached to the main body, or the electric motor may be attached to the main body by storing the entire electric motor in the internal space of the main body.

Of these, as in the former case, an electric motor for moving the mounting member up and down is attached to the main body of the building material lifting device by exposing at least a part of the electric motor. It becomes possible to easily perform work such as maintenance work. Further, as in the latter case, by housing the entire electric motor inside the main body of the building material lifting device and attaching it to the main body, the electric motor is protected from unexpected external force by the main body. be able to.

Further, a suction means for adsorbing the building material mounted on the mounting member to immobilize the building material may be attached to the outer surface of the main body of the building material lifting device according to the present invention. According to this, a building material that is mounted on a mounting member and moves up and down by the vertical movement of the mounting member is moved up and down while maintaining an immovable state by suction by a suction means attached to the outer surface of the main body. Therefore, it is possible to prevent the building material from tipping over when the building material is moving up and down.

The suction means attached to the outer surface of the main body of the building material lifting device may be a suction cup or a magnet. When the suction means is a magnet, it is possible to easily suck a building material whose at least a part is made of a magnetic material.

When the suction means is attached to the outer surface of the main body of the building material lifting device as described above, a cushioning member made of rubber, a porous elastic material, a soft synthetic resin, or the like is used together with the suction means of the building material lifting device. Damage to the building material may be prevented by attaching it to the outer surface of the main body, or only the cushioning member may be attached to the outer surface of the main body of the building material elevating device.

The method of operating the building material lifting device according to the present invention includes a mounting member for mounting the building material, and the operation of the building material lifting device for raising and lowering the building material by the vertical movement of the mounting member. In the method, the above-mentioned placing member moves up and down by the driving force of an electric motor controlled by a signal from the operating device, and the operating device can be attached to the building material and can be removed. The first work step for attaching the operating device to the building material before or after mounting the building material on the pre-described building material, and the operating device to be mounted on the pre-described mounting member. By operating while attached to the mounted building material, the above-mentioned mounting member is made to perform at least one of the vertical movements, whereby the building material is placed at a height at which the building material should be placed. It is characterized by including a second working step for making a position.

As described above, in the operation method of the building material lifting device according to the present invention, in the first work process before the second work process is carried out, the operator for driving the electric motor for moving the mounting member up and down by a signal. Is attached to a building material, and in the second work process, by operating the operator in a state where the operator is attached to the building material mounted on the mounting member, the actuator moves up and down on the mounting member. At least one of these is performed, and the work for moving the building material to the height position where the building material should be placed is carried out. Therefore, the building material is moved up and down to the predetermined height position where the building material should be placed. It becomes possible for the worker to carry out the work to be carried out while easily confirming the height position of the building material at that time.

The building material elevating device used in this operation method may not be provided with traveling wheels, or may be provided with traveling wheels, and the building material elevating device may be provided to the place where the building material should be arranged by the traveling wheels. May be able to run.

Further, among these, when the building material elevating device is provided with traveling wheels as in the latter case, the traveling wheels rotate by the driving force from a drive source such as an electric motor. It may be a self-propelled type, or it may be a manual traveling type in which the traveling wheel rotates by the work such as pushing by an operator and travels to a place where the building material should be arranged.

Further, among these, when the building material elevating device is provided with a traveling wheel for traveling by a work such as pushing by an operator as in the latter case, the building material elevating device according to the present invention described above. In the operation method of, as a pre-work process prior to the second work process, a worker who performs a work for transporting the building material to a place where the building material should be placed is placed by at least one of both hands. By pushing the building material placed on the member, the work process for transporting the building material to the place may be carried out.

According to this, the building material lifting device according to the present invention is a manual traveling type in which the traveling wheel rotates when the worker pushes the building material by hand and travels to the place where the building material should be arranged. A drive source is no longer required for the electric motor or the like for rotating the traveling wheel, and the work for transporting the building material to the place where the building material should be placed is performed by the operator with at least one of both hands. Since it is performed by pushing the building material mounted on the mounting member, the building material lifting device should have a simple and compact configuration without a hand contact portion for the operator to make contact by hand. Can be done.

Further, in the above-mentioned pre-work process, it is assumed that the actuator is attached to the building material, and the second work process is carried out by operating the actuator by one of the above-mentioned hands of the operator. You may.

According to this, the work of transporting the building material to the place where the building material should be placed is set as a pre-work step prior to the second work step, and the worker puts the building material on the mounting member by at least one of both hands. By pushing the placed building material, the building material can be transported to the above-mentioned place, and in the previous work step, the operator is already attached to the building material. Since the operator can be operated by one hand and the building material can be moved up and down by the vertical movement of the mounting member to bring the building material to a predetermined height position, the operator should arrange the building material. The work of transporting the building material to a place and the work of moving the building material up and down by moving the mounting member up and down to bring the building material to a predetermined height position can be easily carried out as a series of work that ensures continuity. become able to.

The method of operating the lifting device for building materials according to the present invention is that the building material to be moved up and down by the vertical movement of the mounting member is a hinged door that opens and closes the doorway formed inside the door frame around the door hinge. In, it becomes particularly effective.

That is, when the building material to be moved up and down by the vertical movement of the mounting member is a hinged door that opens and closes the doorway formed inside the door frame around the door hinge, the work to be carried out in the second work process. In the process, the hinged door mounted on the mounting member is raised to a high position by moving the mounting member upward, and then the hinged door is lowered by moving the mounting member downward to lower the door hinge. Of the door frame side blade plate member coupled to the door frame and the hinged door side blade plate member coupled to the hinged door, the pin provided on one blade plate member is used as the other blade. It is a work process for inserting into the inside of the plate member.

As a result, the operator provides one of the door frame side blade plate member connected to the door frame and the hinged door side blade plate member connected to the hinged door as constituting the door hinge. The work for inserting the pin to be inserted into the inside of the other blade plate member can be carried out while easily confirming the height position of the hinged door at that time.

The method of operating the building material elevating device and the building material elevating device described above can be applied to any building material, and the building material may be the above-mentioned hinged door or a sliding door device suspended from above. It may be a sliding door including a sliding door, a folding door of a folding door device, a door frame in which an inner doorway is opened and closed by these, a shutter curtain of a shutter device, or a panel type shutter curtain. It may be a panel, a partition, a wall material, a floor material, a ceiling material, or the like. Further, the hinged door may be a fire door, a hinged door arranged at a boundary between the outdoor and the indoor such as an entrance door, or a hinged door arranged indoors.

According to the present invention, there is an effect that the work of moving the building material up and down to a predetermined height position where the building material should be placed can be performed while the worker can easily confirm the height position of the building material at that time. can get.

FIG. 1 is a front perspective view showing an elevating device for building materials according to an embodiment of the present invention. FIG. 2 is a rear perspective view showing an elevating device for building materials. FIG. 3 is a front view of the lifting device for building materials. FIG. 4 is a right side view of the lifting device for building materials. FIG. 5 is a rear view of the lifting device for building materials. FIG. 6 is a bottom view of the lifting device for building materials. FIG. 7 is a view similar to FIG. 3 in which the base member and the bracket for the auxiliary wheel shown in FIG. 1 and the like are seen through, and the connecting member and the reinforcing member are shown in cross section. FIG. 8 is a diagram similar to FIG. 3 showing when the slide member, which is the main body of the building material lifting device, moves up to raise the building material. FIG. 9 is a diagram similar to that of FIG. 4 in the case of FIG. FIG. 10 is a perspective view showing a work of traveling a building material elevating device, which is also a manual traveling type transport trolley for building materials, in order for an operator to transport the building materials mounted on the mounting members. FIG. 11 is a front view showing a case where the building material elevating device is changed from the upright posture state to the inclined posture state when the work of FIG. 10 is performed. FIG. 12 shows that when the building material is a fire door of a hinged door, the operator moves the mounting member provided for mounting the building material on the building material lifting device by operating the operator attached to the fire door. It is a perspective view which shows the work for inserting the pin of the door frame side blade plate member into the hinged door side blade plate member of a door hinge by moving. FIG. 13 is a diagram similar to FIG. 3 showing an elevating device for building materials according to another embodiment. FIG. 14 is a diagram similar to FIG. 4 showing an elevating device for building materials according to the embodiment of FIG.

Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings. 1 and 2 show a front perspective view and a rear perspective view of the building material elevating device 1 according to the embodiment of the present invention, and FIGS. 3, 4, 5, and 6 are accompanied by FIGS. It is a front view, the right side view, the back view, and the bottom view of the building material lifting device 1 of this embodiment. As shown in FIGS. 1 and 3 as traveling wheels, the building material lifting device 1 also serves as a manually traveling transport carriage for building materials including one main wheel 2 and two auxiliary wheels 3. Each of the sub-wheels 3 is rotatably attached to the sub-wheel bracket 4 around the rotation center shaft 3A. These auxiliary wheel brackets 4 are coupled to base members 5 arranged at locations corresponding to the locations where the main wheels 2 are arranged, and the base members 5 are used for building materials as shown in FIG. A main portion 5A having a width dimension in the left-right direction, which is the width direction of the elevating device 1, and an extension extending rearward from both ends of the main portion 5A in the front-rear direction, which is the front-back direction of the building material elevating device 1. It has a U-shape in a plan view including the portions 5B, and the auxiliary wheel bracket 4 is connected to these extending portions 5B. As a result, the building material elevating device 1 according to the present embodiment is provided with one main wheel 2 and two auxiliary wheels 3 on both sides in the traveling direction of the main wheel 2 as traveling wheels. There is.

FIG. 7 shows a front view of the building material lifting device 1 in which the auxiliary wheel bracket 4 and the base member 5 are seen through. As can be seen from FIG. 7, the main wheel 2 arranged between the two sub-wheels 3 is connected to the lower end of the inner cylinder member 6 having a length in the vertical direction via the connecting member 7. As shown in FIG. 6, the rotation center shaft 2A rotatably attached to the wheel bracket 8 and erected on the main wheel bracket 8 to make the main wheel 2 rotatable is the auxiliary wheel 3 as shown in FIG. It is parallel to the rotation center axis 3A of. Further, the arrangement position of the main wheel 2 and the arrangement position of each sub-wheel 3 in the axial direction of the rotation center axis 2A of the main wheel 2 are the same or substantially the same, and as can be seen from FIG. The distance from the main wheel 2 to each of the sub-wheels 3 in the traveling direction by the main wheel 2 is the same distance or substantially the same distance.

The connecting member 7 shown in FIG. 7 has a bottom portion 7A and two rising portions 7B rising from both ends in the width direction of the building material elevating device 1 at the bottom portion 7A, and the bottom portion 7A has a bottom portion 7A. The lower end of the inner cylinder member 6 is interposed via the bracket 7C. Further, as shown in FIG. 6, a reinforcing member 9 coupled and integrated with the connecting member 7 is arranged outside the connecting member 7, and the reinforcing member 9 is the width of the building material lifting device 1. It is U-shaped in a plan view, consisting of two flanges 9A at both ends in the direction and a joint 9B that joins these flanges 9A and is arranged on the surface side of the building material lifting device 1. be. The connecting portion 9B of the reinforcing member 9 is coupled to the main portion 5A of the base member 5, whereby the inner cylinder member 6 is attached to the base member 5 via the reinforcing member 9 and the connecting member 7.

Further, as shown in FIG. 7, an outer cylinder member 10 is slidably fitted to the outer periphery of the inner cylinder member 6 having a length in the vertical direction, and the outer cylinder member 10 is slidably fitted in the vertical direction. An electric motor 11 is attached to the upper part of the electric motor 10, and as shown in FIG. 3, the upper part of the outer cylinder member 10 is a bridge member 13 erected on the slide member 12 together with the upper part of the electric motor 11. Is connected to the vehicle via a bracket 13A. The slide member 12 to which the bridge member 13 is connected also serves as the main body of the building material lifting device 1 according to the present embodiment, and the slide member 12 is viewed in a plan view as shown in FIG. Since the slide member 12 has a channel shape with a lip, the slide member 12 has a web portion 12A on the back surface side of the building material lifting device 1 and flange portions 12B on both ends of the building material lifting device 1 in the web portion 12A. And the lip portion 12C formed at the tip end portion of these flange portions 12B.

As a result, as shown in FIG. 7, the main wheel 2, the inner cylinder member 6, the main wheel bracket 8, the outer cylinder member 10, and the like are housed in the internal space S of the slide member 12. Since the electric motor 11 attached to the slide member 12 via the bridge member 13 is arranged on the surface side of the building material elevating device 1 with respect to the outer cylinder member 10, a part of the electric motor 11 is , 4 and 6 are exposed from the internal space S to the outside of the slide member 12. Therefore, work such as maintenance work of the electric motor 11 can be easily performed.

As shown in FIG. 6, between the slide member 12 and the reinforcing member 9, the slide member 12 is slidable in the vertical direction with respect to the auxiliary wheel 3, the base member 5, the reinforcing member 9, and the like. A slide rail 14 serving as a guiding means is arranged, and the slide rail 14 is attached to the first rail member 14A attached to the flange portion 12B of the slide member 12 and the second rail member 9A attached to the flange portion 9A of the reinforcing member 9. It is composed of a rail member 14B and a ball 14C or the like rotatably interposed between the first rail member 14A and the second rail member 14B.

As shown in FIG. 4, a drive gear 15 is attached to the drive shaft 11A of the electric motor 11 facing upward, and the drive gear 15 has a height position inside the upper portion of the outer cylinder member 10. The driven gear 16 is rotatably arranged so as to be immobile, and the driven gear 16 is coupled to the upper end of the male screw rod member 17 rotatably inserted inside the outer cylinder member 10. ing. The male screw rod member 17 has a length dimension that reaches the lower part of the inside of the inner cylinder member 6 that is long inserted upward inside the outer cylinder member 10, and has a height inside the inner cylinder member 6. A female screw member 18 that is fixedly arranged in a fixed position is housed and arranged, and a male screw rod member 17 is screwed and inserted into the female screw member 18.

Therefore, when the drive shaft 11A of the electric motor 11 rotates in the forward direction, the forward rotation is transmitted to the male screw rod member 17 via the drive gear 15 and the driven gear 16, so that the female screw member 18 is positioned at a height. The outer cylinder member 10 moves upward with respect to the inner cylinder member 6 which is immobile and fixedly arranged, whereby the electric motor 11 coupled to the outer cylinder member 10 and the bridge member 13 to the outer cylinder member 10 The slide member 12 connected via the above moves upward, and these upward movements include the main wheel 2 attached to the lower end of the inner cylinder member 6 via the connecting member 7 and the main wheel bracket 8, and the base. This is performed on the member 5 and the auxiliary wheel 3 attached to the base member 5 via the auxiliary wheel bracket 4. The state in which such an upward movement is performed is shown in FIGS. 8 and 9.

Further, when the drive shaft 11A of the electric motor 11 rotates in the reverse direction, the reverse rotation is transmitted to the male screw rod member 17 in the same manner as described above, so that the outer cylinder member 10 moves downward. The slide member 12 also moves downward, and these lower movements are performed on the main wheel 2 and the auxiliary wheel 3.

As shown in FIG. 3, a cover member 20 is attached to the upper surface of the slide member 12, and the electric motor 11 is controlled in the internal space above the slide member 12 closed by the cover member 20. The control device 21 and the battery 22 that supplies electric power to the electric motor 11 are housed, and the cover member 20 is provided with a power switch 23 and a charging terminal 24.

As shown in FIG. 2, on the back surface of the slide member 12, which is also the main body of the building material elevating device 1 according to the present embodiment, the building material conveyed by the building material elevating device 1 is placed. The mounting member 25 is connected. As described above, the mounting member 25 arranged on the slide member 12 which is slidable in the vertical direction with respect to the main wheel 2 and the sub wheel 3 has a horizontal bottom surface portion 25A and the bottom surface portion 25A. The vertical portion 25B rising from the end portion on the slide member 12 side and the extending portion 25C extending upward from the end portion on the bottom surface portion 25A opposite to the slide member 12 side. A plate-shaped magnet 26, which serves as an adsorption means for attracting a building material whose surface is at least made of a magnetic material such as steel, is attached to the vertical portion 25B, and is also placed on the back surface of the slide member 12. Above the member 25, a plate-shaped magnet 27 serving as a suction means is attached.

As shown in FIG. 3, when the building material elevating device 1 according to the present embodiment is in the upright posture, the height position of the lower end of the main wheel 2 and the lower ends of the two auxiliary wheels 3. The height position of each of the sub-wheels 3 is not the same, and the height position of the lower end of each of the sub-wheels 3 is higher than the height position of the lower end of the main wheel 2 by the vertical dimension H. Therefore, as shown in FIG. 11, the building material elevating device 1 changes from the upright posture to the tilted posture, so that the main wheel 2 and the two auxiliary wheels 3 are moved to the tilted side. One of the arranged auxiliary wheels 3 comes into contact with the traveling surface 28 such as the floor surface, so that the main wheels 2 can be traveled by the auxiliary wheels 3 as traveling wheels. Become.

Further, as shown in FIG. 3, the building material elevating device 1 is in an upright posture in which only the main wheel 2 is in contact with the traveling surface 28 and the two auxiliary wheels 3 are not in contact with the traveling surface 28. When the lower end surface 12D of the slide member 12 is not in contact with the traveling surface 28, the building material elevating device 1 is rotatable about a vertical line N passing through the center of the main wheel 2. It has become. Therefore, at this time, the building material elevating device 1 can be directed in an arbitrary direction by rotating the building material elevating device 1 around the vertical straight line N.

Further, the slide member 12 has reached the lowest position by the operation of a limit switch (not shown) for stopping the drive of the electric motor 11 in a normal state, and the slide member 12 has reached the lowest position. As shown in FIG. 3, the height position of the lower end surface 12D of the main wheel 2 is the same as or lower than the height position of the lower end of the main wheel 2. Therefore, even if the height position of the lower end of each of the sub-wheels 3 is higher than the height position of the lower end of the main wheel 2 as described above, the building material lifting device 1 in the normal state is a slide member 12 The lower end surface 12D of the building material is made to stand on its own by touching the traveling surface 28, whereby the gripping member 29 provided at the upper end of the slide member 12 is gripped, so that the building material lifting device 1 can be stored in a storage place or the like. It can be stored in an independent state by carrying it to.

Further, in the building material lifting device 1 according to the present embodiment, as shown in FIG. 4, the height position of the bottom surface portion 25A of the mounting member 25 is the height position of the lower end surface 12D of the slide member 12. It is the same or almost the same. Therefore, when the lower end surface 12D of the slide member 12 is used to make the building material elevating device 1 self-supporting, the lower end surface 12D of the slide member 12 is also grounded or substantially grounded to the traveling surface 28, whereby the building material elevating device 1 is grounded. It is possible to make the independence of the person more effective.

Further, since the mounting member 25 is connected to the back surface which is the outer surface of the slide member 12, the entire bottom surface portion 25A of the mounting member 25 is exposed in the horizontal direction from the slide member 12. Therefore, the building material elevating device 1 can be made to stand on its own even more effectively by utilizing the entire bottom surface portion 25A.

The mounting member 25 is attached to the slide member 12 with a screw or the like so that it can be removed, and various mounting members having different dimensions in the width direction and the front-rear direction of the building material lifting device 1 are used. The mounting member which is prepared in advance and attached to the slide member 12 may be exchangeable according to the size and thickness of the building material to be conveyed by the building material elevating device 1.

The building material conveyed by the building material elevating device 1 according to the present embodiment is a fire door 30 which is a hinged door of the opening device, and the fire door 30 is the opening 31A of the wall 31 shown in FIG. By being rotatably attached to the door frame 32 arranged in the door frame 32 by the door hinge 33, the doorway inside the door frame 32 is opened and closed. The door hinge 33 is fixed to one of the door frame side blade plate member 33A connected to the door frame 32, the hinged door side blade plate member 33B connected to the fire door 30, and these blade plates 33A and 33B. In FIG. 12, the pin 33C is provided on the door frame side blade plate member 33A so as to face upward.

Further, the electric motor 11 of the building material lifting device 1 according to the present embodiment is driven and controlled by the control device 21 of FIG. 3 in which a signal from the operation device 35 shown in FIGS. 10 and 12 is input. In this embodiment, the signal from the operating device 35 is input to the control device 21 as a wireless signal, so that the operating device 35 is a wireless operating device. The operating device 35 and the building material lifting device 1 may be connected by an electric cable, and the signal from the operating device 35 may be input to the control device 21 by this electric cable.

In the operating device 35 according to the present embodiment, an operating unit 35A such as a button to be operated is arranged on the front surface, and a suction means for attracting the operating device 35 to the fire door 30 is provided on the back surface. In this embodiment, the attraction means is a magnet 36 that magnetically attracts the entire surface or substantially the entire surface of the fire door 30 made of steel, which is a magnetic material.

When the fire door 30 is transported to the place where the door frame 32 is arranged by the building material elevating device 1 according to the present embodiment, the fire door 30 is first mounted on the bottom surface 25A of the mounting member 25, and the fire door 30 is mounted. By attracting 30 with the plate-shaped magnets 26 and 27 which are the suction means described above, the fire door 30 is brought into an upright and immovable state with respect to the mounting member 25. When performing this work for mounting the fire door 30 on the mounting member 25, the electric motor 11 is driven by operating the operation unit 35A of the actuator 35 to lower the slide member 12 to the lowest position. As a result, the building material elevating device 1 according to the present embodiment may be placed in an independent upright posture state so that this work can be easily performed.

Further, before or after performing this work, as shown in FIG. 10, this operation is performed on the surface of the fire door 30 by the magnet 36 provided on the back surface of the actuator 35. Attach the vessel 35. The mounting position of the actuator 35 on the fire door 30 is set to a position closer to one end of the left and right ends of the fire door 30 gripped by the left and right hands 38 and 39 of the worker 37.

Next, the operator 37 drives the electric motor 11 to move the slide member 12 upward by operating the operation unit 35A of the actuator 35, and by this increase, as shown in FIGS. 8 and 9. In addition, the mounting member 25 also moves upward, and the fire door 30 rises. As a result, the lifting device 1 for building materials is brought into an upright posture in which only the main wheel 2 is in contact with the traveling surface 28 by the hands 38 and 39 of the worker 37 holding both the left and right ends of the fire door 30. After that, the worker 37 pushes and pulls the building material lifting device 1 with both hands 38 and 39 holding the left and right ends of the fire door 30, and vertically passes through the central portion of the main wheel 2 shown in FIG. It is rotated around the line N, whereby the direction of the building material elevating device 1 is set to the direction in which the building material elevating device 1 should run. Next, as shown in FIG. 10, the worker 37 tilts the fire door 30 toward the side where the building material elevating device 1 travels by using both hands 38 and 39, as shown in FIG. , The building material elevating device 1 is changed from the upright posture state to the inclined posture state in which the building material elevating device 1 is tilted toward the traveling side. As a result, the main wheel 2 and the auxiliary wheels 3 arranged on the side where the building material elevating device 1 travels among the two auxiliary wheels 3 arranged on both sides in the traveling direction of the main wheels 2 travel. It will come into contact with the surface 28.

After this, the worker 37 has a hand of both hands 38 and 39 on the side opposite to the side on which the building material lifting device 1 is driven (in FIG. 11, in order to move the building material lifting device 1 to the left side, FIG. 10). By applying a pushing force to the fire door 30 by the right hand 38) shown, the building material elevating device 1 is driven by the main wheel 2 and one auxiliary wheel 3. When the traveling surface 28 is driven by the main wheel 2 and one auxiliary wheel 3 which are the traveling wheels of the building material elevating device 1, the building material elevating device 1 is used for building materials from an upright posture. Since the tilted posture is changed to the front side, which is the direction in which the elevating device 1 is traveled, the overall center of gravity of the fire door 30 is moved to the front side, which is the direction in which the building material elevating device 1 is traveled. It will be. Therefore, by moving the center of gravity, the worker 37 can manually move the building material elevating device 1 by pushing the fire door 30 with one of both hands 38 and 39, whereby the work can be performed. The burden on the person 37 can be reduced, and the work of transporting the fire door 30 can be easily performed.

In addition, unlike the above work, the worker 37 changes the building material elevating device 1 from the upright posture state to the tilted posture state by using both hands 38 and 39 holding the left and right ends of the fire door 30. This is done by tilting the building material lifting device 1 to the side opposite to the side on which the device 1 is running, and after that, the worker 37 fire-proofs the pushing force by the hand on the side opposite to the side on which the building material lifting device 1 is running. By applying it to the door 30, the building material elevating device 1 may be allowed to travel. According to this, of the hands 38 and 39 of the worker 37, the hand pushing the fire door 30 generates a component in the direction of lifting the fire door 30 and pushes the fire door 30 diagonally upward. Therefore, the worker 37 can manually and lightly move the building material lifting device 1, thereby reducing the burden on the worker 37 and facilitating the transport work of the fire door 30.

After the fire door 30 is carried to the place where the door frame 32 of FIG. 12 is installed by the traveling of the building material lifting device 1, the worker 37 holds both left and right ends of the fire door 30. By 38 and 39, the building material lifting device 1 is returned from the inclined posture to the upright posture. Next, the operator 37 uses the finger 38A of the hand (right hand 38 in FIG. 12) located close to the operator 35 attached to the surface of the fire door 30 by the magnet 36 among the hands 38 and 39. By operating the operation unit 35A of 35, the fire door 30 is moved up and down by the vertical movement of the mounting member 25 driven by the electric motor 11, whereby the height position of the fire door 30 is changed to the fire door 30. The work for adjusting the attached hinged door side blade plate member 33B to a higher position than the pin 33C of the door frame side blade plate member 33A attached to the door frame 32 is performed.

After that, the operator 37 operates the operation unit 35A of the operator 35 with the above-mentioned finger 38A to gradually lower the mounting member 25 by driving the electric motor 11, and the fire door 30 is also gradually moved down. By lowering the pin 33C of the door frame side blade plate member 33A into the pin insertion hole provided in the hinged door side blade plate member 33B, this pin 33C is inserted into the hinged door side blade plate member 33B. Insert and install the fire door 30 on the door frame 32 so that it can be opened and closed around the door hinge 33.

Next, the operator 37 operates the operation unit 35A of the actuator 35 with the finger 38A to further lower the mounting member 25 by driving the electric motor 11, thereby causing the mounting member 25 to move further downward from the bottom surface portion 25A of the mounting member 25. The fire door 30 is separated. Further, the worker 37 manually moves the building material elevating device 1 to move the building material elevating device 1 to a predetermined place away from the installation place of the fire door 30. In addition, the worker 37 removes the actuator 35 attached to the surface of the fire door 30 with the magnet 36, whereby all the work using the building material lifting device 1 is completed.

According to the building material elevating device 1 according to the present embodiment described above, the building material elevating device 1 is also a manual traveling type transport trolley for building materials provided with traveling wheels consisting of a main wheel 2 and two auxiliary wheels 3. The fire door 30, which is a building material, can be moved to the place where the fire door 30 should be installed to convey the fire door 30, and as described above, the rotation central shaft 2A of the main wheel 2 and the auxiliary wheel 3 can be transported. Since the rotation center axis 3A is parallel to the rotation center axis 3A and the height position of the lower ends of the two auxiliary wheels 3 is higher than the height position of the lower ends of the main wheel 2 in the upright posture, the two auxiliary wheels 3 are manually upright. By changing from the posture state to the inclined posture state, the main wheel 2 and one of the two sub-wheels 3 come into contact with the traveling surface 28. Therefore, in order to convey the fire door 30, when the work of manually changing from the upright posture state to the tilted posture state and manually running the fire door 30 is performed, the tilting direction of the building material lifting device 1 is changed as described above. When the front side of the building material lifting device 1 is set to run, the center of gravity of the fire door 30 moves to the front side of the running direction, so that the building material lifting device 1 can be manually lifted. Can be run. Further, when the inclination direction of the building material elevating device 1 is set to the rear side opposite to the direction in which the building material elevating device 1 is traveled, a hand pushing the fire door 30 to allow the building material elevating device 1 to travel. Causes a component in the direction of lifting the fire door 30 and pushes the fire door 30 diagonally upward. Therefore, the building material lifting device 1 can also be manually and lightly moved by this. In either case, the burden on the operator can be reduced and the fire door 30 can be easily transported.

Further, since the arrangement position of the main wheel 2 and the arrangement position of the auxiliary wheel 3 in the axial direction of the rotation center axis 2A of the main wheel 2 are the same position or substantially the same position, the building material lifting device 1 is manually upright. For building materials, manual running work performed by changing from the posture state to the inclined posture state and bringing the main wheel 2 and one of the two sub-wheels 3 into contact with the running surface 28. The entire lifting device 1 can be easily performed without tilting in the axial direction of the rotation center shaft 2A of the main wheel 2.

Further, since the number of the auxiliary wheels 3 is two arranged on both sides of the main wheel 2 in the traveling direction, the building material lifting device 1 travels to which side of the two sides of the main wheel 2 in the traveling direction. Even in the case of making the building material elevating device 1, the building material elevating device 1 is manually changed from the upright posture state to the inclined posture state, and the main wheel 2 and one of the two sub-wheels 3 run on one of the sub-wheels 3. Since the surface 28 can be brought into contact with the surface 28, the fire door 30 can be easily transported to any side of both sides in the traveling direction by the main wheel 2.

Further, since the distance from the main wheel 2 to each of the sub-wheels 3 in the traveling direction by the main wheel 2 is the same distance or substantially the same distance, one of the main wheel 2 and the two sub-wheels 3 When the building material lifting device 1 is driven by bringing the auxiliary wheels 3 into contact with the traveling surface 28, the posture changing work for manually changing the building material lifting device 1 from the upright posture state to the inclined posture state is performed. It is possible to carry out the operation with the same inclination angle or substantially the same inclination angle on both sides of the traveling direction by the main wheel 2, and therefore, this work can be easily performed.

Further, in an upright posture in which the lower end surface 12D of the slide member 12 is not in contact with the traveling surface 28 and only the main wheel 2 is in contact with the traveling surface 28, the building material elevating device 1 is at the center of the main wheel 2. Since it is rotatable around the vertical straight line N passing through the portion, the building material lifting device 1 is moved in the direction of the building material lifting device 1 by performing the rotating work around the vertical straight line N. The work for changing the direction of the side to be made can be easily carried out.

Further, the work for changing the direction of the building material elevating device 1 to the direction on which the building material elevating device 1 is driven and the upright posture state of the building material elevating device 1 are changed to the inclined posture state. The work, and the work for running the building material elevating device 1 by the main wheel 2 and one auxiliary wheel 3 for transporting the fire door 30, is the work of the fire door 30 mounted on the mounting member 25. Since the worker 37 grips the left and right ends with the hands 38 and 39, the building material lifting device 1 is provided with a hand contact portion for the worker 37 to contact with the hands 38 and 39 to perform these operations. Therefore, the building material elevating device 1 can be made into a compact and simple structure without a hand contact portion.

Further, the mounting member 25 on which the fire door 30 is mounted is provided with a vertical portion 25B that rises from the bottom surface portion 25A and is connected to the back surface that is the outer surface of the slide member 12, and the vertical portion 25B is provided. And, a suction means for sucking the fire door 30 on the back surface of the slide member 12 above the vertical portion 25B so that the fire door 30 is in an immovable upright state with respect to the mounting member 25. Since the magnets 26 and 27 are provided, when the fire door 30 is transported by the traveling of the building material elevating device 1, or when the fire door 30 is moved up and down by the vertical movement of the mounting member 25, etc. , It is possible to prevent the fire door 30 from tipping over, and it is possible to secure the immovable state of the fire door 30 and carry out these operations more reliably.

Further, the electric motor 11 arranged in the building material lifting device 1 for moving the mounting member 25 up and down is driven and controlled by the control device 21 to which the signal from the operating device 35 is input, and the operating device 35 is driven and controlled. Since the operation device 35 is attached to the fire door 30 by the magnet 36 which is the suction means provided on the operation device 35 and can be removed, the operator 37 can attach the operation device 35 to the fire door 30 with the magnet 36. By operating the operation unit 35A of the actuator 35 with the finger 38A of the one hand 38 out of the two hands 38 and 39, the work of moving the fire door 30 up and down by the vertical movement of the mounting member 25 can be performed.

Then, as shown in FIG. 12, this work can be performed by the worker 37 standing in the vicinity of the fire door 30, so that the worker 37 can perform this work with the actuator attached to the fire door 30. When the mounting member 25 is gradually lowered by operating the 35, it can be carried out while easily confirming the height position of the fire door 30 at each time. As a result, as described above, by inserting the pin 33C of the door frame side blade plate member 33A into the pin insertion hole provided in the hinged door side blade plate member 33B, the fire door 30 is inserted into the door frame 32 and the door hinge 33 is attached to the door frame 32. The work for opening and closing the center can be carried out easily and in a short time.

Further, since the operating device 35 of the present embodiment can be attached to an arbitrary position on the surface of the fire door 30 with the magnet 36, the location of the fire door 30 to which the operating device 35 is attached is shown in FIG. As shown in FIG. 12, the left and right ends of the fire door 30 are located near one end of the left and right ends of the fire door 30, so that the left and right ends of the fire door 30 are both hands of the worker 37. Since it is a part that can be gripped by 38 and 39, it is also possible to operate the operation unit 35A of the operator 35 by the fingers 38A of one hand 38 while grasping the left and right ends of the fire door 30 by both hands 38 and 39. As a result, the worker 37 can move the fire door 30 up and down by moving the mounting member 25 up and down in a state where the worker 37 can more effectively prevent the fire door 30 from tipping over with both hands 38 and 39.

Further, since the operation unit 35A of the actuator 35 according to the present embodiment is arranged on the front surface of the actuator 35 and the magnet 36 is provided on the back surface of the actuator 35, the operator 37 can use the magnet 36. The operation unit 35A can be easily operated without being affected by the above.

Further, by running the building material lifting device 1, the fire door 30 is transported to the place where the door frame 32 is arranged, and at this place, the mounting member 25 is moved up and down by the operation of the operator 35. By moving the fire door 30 up and down and gradually lowering the fire door 30 from a high position, the pin 33C of the door frame side blade plate member 33A is inserted into the pin insertion hole provided in the hinged door side blade plate member 33B of the door hinge 33. Can be inserted and the work for installing the fire door 30 on the door frame 32 so as to be openable and closable around the door hinge 33 can be performed by the worker 37 with at least one of both hands 38 and 39. Therefore, the worker 37 can easily carry out these operations as a series of operations in which continuity is ensured.

In the present embodiment, the pin 33C of the door hinge 33 is provided upward on the door frame side blade plate member 33A, but this pin 33C is provided downward on the hinged door side blade plate member 33B. Further, the work for installing the fire door 30 on the door frame 32 so as to be openable and closable around the door hinge 33 can be easily and quickly performed in the same manner as described above.

FIG. 13 is a front view of the building material elevating device 101 according to another embodiment, and FIG. 14 is a right side view of the building material elevating device 101. As shown in FIG. 13, the slide member 112, which is the main body of the building material elevating device 101, has a larger width dimension in the left-right direction than the slide member 12 of the building material elevating device 1 of the embodiment. Therefore, the entire electric motor 111 and the two outer cylinder members 110 arranged on the left and right sides of the electric motor 111 are housed in the internal space S of the slide member 112, and these outer cylinder members The 110 is slidably fitted to the outer periphery of the inner cylinder member 106 provided for each of the outer cylinder members 110 in the vertical direction. Further, the drive gear 115 attached to the drive shaft 111A of the electric motor 111 meshes with the driven gear 116 rotatably arranged inside the upper portion of each outer cylinder member 110 so that the height position is immovable. , These driven gears 116 are coupled to the upper end of the male screw rod member 117 rotatably inserted inside each outer cylinder member 110. These male screw rod members 117 having a length dimension reaching the lower part of the inside of the inner cylinder member 106 are screwed to the female screw member 118 which is fixedly arranged in the inner cylinder member 106 with the height position immovable. It has been inserted and inserted.

Therefore, even in the building material lifting device 101 according to this embodiment, the forward / reverse rotation of the drive shaft 111A of the electric motor 111 is transmitted to the male screw rod member 117 via the drive gear 115 and the driven gear 116, whereby the inner screw rod member 117 is transmitted. Each outer cylinder member 110 moves up and down with respect to the cylinder member 106, whereby the electric motor 111 coupled to the outer cylinder member 110, the slide member 112 coupled to the outer cylinder member 110, and the slide member The mounting member 125 (see FIG. 14) coupled to 112 moves up and down with respect to the main wheel 102 and the two sub-wheels 103.

In the building material elevating device 101 according to this embodiment, as described above, the entire electric motor 111 is housed in the internal space S of the slide member 112 which is the main body of the building material elevating device 101. The electric motor 111 can be protected from an unexpected external force or the like. Further, the slide member 112 of this embodiment also has a channel shape with a lip in a plan view like the slide member 12 of the embodiment shown in FIG. 6, so that the slide member 112 is opened toward the front. The internal space S has an opening that communicates with the external space. Therefore, maintenance work and the like for the electric motor 111 can be easily performed from this opening.

The present invention can be used, for example, to move a building material such as a hinged door including a fire door up and down to a predetermined height position where the building material is arranged.

1,101 Lifting device for building materials 2,102 Main wheel which is a running wheel 3,103 Sub wheel which is a running wheel 11 Electric motor 12,112 Sliding member which is the main body 25,125 Mounting member 27 Provided on the outer surface of the sliding member Magnet 28 Running surface 30 Fire door 33 Door hinge 33A Door frame side blade plate member 33B Swing door side blade plate member 33C Pin 35 Operator 35A Operation unit 36 With the attraction means provided on the back side of the operator A magnet 37 Worker 38, 39 Worker's hand S Internal space

Claims (14)

In a building material elevating device that is provided with a mounting member for mounting a building material and moves the building material up and down by moving the mounting member up and down.
The above-mentioned mounting member moves up and down by the driving force of an electric motor controlled by a signal from the actuator, and the operating device is attached to the building material and is removable, and is mounted on the above-mentioned mounting member. A building material elevating device, characterized in that the above-mentioned placing member is moved up and down by operating the actuator attached to the building material at the time of operation. The building material lifting device according to claim 1 is characterized in that the operating device is provided with a suction means, and the operating device can be attached to and removed from the building material by the suction force of the suction means. Lifting device for building materials. The building material lifting device according to claim 2, wherein the suction means is a magnet. In the building material elevating device according to claim 2 or 3, the operating device has an operating unit to be operated on the front surface and the suction means is provided on the back surface. Lifting device for building materials. The building material elevating device according to any one of claims 1 to 4 includes a traveling wheel, which enables traveling to a place where the building material is moved up and down by the vertical movement of the above-mentioned placing member. An elevating device for building materials, which is characterized by being present. The elevating device for building materials according to any one of claims 1 to 5 includes a main body having an internal space, and the electric motor has at least a part of the electric motor exposed from the internal space to the main body. An elevating device for building materials, which is characterized by being attached. The elevating device for building materials according to any one of claims 1 to 5 includes a main body having an internal space, and the electric motor is attached to the main body with the entire electric motor housed in the internal space. An elevating device for building materials, which is characterized by being In the building material elevating device according to claim 6 or 7, a suction means for adsorbing to the building material mounted on the above-mentioned mounting member to immobilize the building material is attached to the outer surface of the main body. An elevating device for building materials, which is characterized by being The building material lifting device according to claim 8, wherein the suction means attached to the outer surface of the main body is a magnet. A mounting member for mounting a building material is provided, and this is an operation method of a building material lifting device for raising and lowering the building material by moving the mounting member up and down.
The above-mentioned placing member moves up and down by the driving force of an electric motor controlled by a signal from the actuator, and the actuator can be attached to and removed from the building material.
The first work step for attaching the actuator to the building material before or after mounting the building material on the above-mentioned mounting member, and
By operating the actuator in a state where the actuator is attached to the building material mounted on the pre-described mounting member, the pre-described mounting member is allowed to perform at least one of the vertical movements. The second work step for setting the building material at the height position where the building material should be arranged, and
A method of operating an elevating device for building materials, which comprises. In the method of operating the building material elevating device according to claim 10, the building material elevating device includes a traveling wheel for traveling to a place where the building material should be arranged.
The second work step is an operation method of the building material elevating device, which is carried out after the building material elevating device travels to a place where the second work step is carried out by the traveling wheel. In the method of operating the building material elevating device according to claim 10, the building material elevating device includes a traveling wheel for manually traveling to a place where the building material should be arranged.
As a pre-work process prior to the second work step, the worker who transports the building material to the place pushes the building material placed on the pre-described member with at least one of both hands. A method of operating a building material elevating device, characterized in that a work process for manually transporting the building material to the place is carried out. In the method of operating the building material lifting device according to claim 12, in the pre-working step, the operating device is attached to the building material, and in the second working step, one of the two hands is used. A method of operating an elevating device for building materials, which comprises operating the operating device. In the method of operating the lifting device for building materials according to any one of claims 10 to 13, the building material is a hinged door that opens and closes an entrance / exit formed inside a door frame around a door hinge.
In the work step carried out in the second work step, the hinged door mounted on the mounting member is raised to a high position by moving the previously described mounting member upward, and then the previously described mounting member is raised. By lowering the hinged door by moving it down, the door frame side blade plate member coupled to the door frame as constituting the door hinge and the hinged door side blade plate member coupled to the hinged door A method of operating an elevating device for building materials, which comprises a work process for inserting a pin provided in one blade plate member into the inside of the other blade plate member.

Images