JP2019182609A - Heavy object transport method using hoisting machine - Google Patents

Abstract

To provide a method that can easily transport heavy objects with a simple structure and reduce the number of man-hours for transportation.SOLUTION: A heavy object transport method is a method of transporting a heavy object 20 using a hoisting machine 10 along a path connecting a machine room 120 where the existing hoisting machine 10 is disposed and a place lower than the machine room 120, comprising a first step of removing a main rope from the hoisting machine 10, a second step of fixing one end side of a conveyance wire 80 to a rotating body of the hoisting machine 10, a third step of attaching the other end of the conveyance wire 80 to a heavy lifting member 20a, and a fourth step of transporting the heavy object 20 by rotating the rotating body and winding or rewinding the conveying wire 80 around the rotating body.SELECTED DRAWING: Figure 5

Description

  The present invention relates to a heavy article conveying method using a hoisting machine that conveys a heavy article using an existing hoisting machine installed in an elevator apparatus.

  Conventionally, in elevator repair work, heavy objects such as hoisting machines and control panels may be carried into and out of the machine room. In an elevator installed in an old building, a machine room is often provided above the top floor where a car can be placed. When renovation work is performed in such a building, heavy objects are carried out and carried in between the top floor and the machine room using stairs.

  For example, in the case of a hoisting machine, the weight is as small as about 300 kg and as large as 800 kg. Therefore, it is impossible to raise and lower the stairs while supporting the hoisting machine manually.

  Therefore, as a method of transporting heavy objects on the stairs, a portal structure is installed above and below the stairs, a rail that connects the tops of the two portal structures is installed, and a chain block is provided on the rail. A trolley is mounted, a heavy object is lifted with a chain block, and the trolley is moved along a rail to convey the heavy object from the bottom to the top of the stairs (see, for example, Patent Document 1). ).

JP, 2015-101440, A

  However, according to the transport method of Patent Document 1, after moving a heavy object by several steps from a lower gate-type structure to an upper gate-type structure, the trolley is once removed from the rail, The mold structure has been moved upward by several stages. And the procedure of attaching a trolley to a rail again and moving a heavy article by several steps is repeated. Therefore, in order to convey a heavy object for the first floor, the attachment / detachment of the trolley and the transfer of each gate-type structure must be repeated many times, and there is a problem that the number of work steps is large.

  The present invention has been made in order to solve the above-described problems, and is a hoisting machine capable of easily transporting heavy objects with a simple configuration between a machine room and the lower floor of the machine room. A method for conveying a heavy article using the above is obtained.

  The heavy article transport method using the hoist according to the present invention uses a hoist along a path connecting a machine room in which an existing hoist is disposed and a place lower than the machine room. A method of transporting an object, the first step of removing the main rope from the hoisting machine, the second step of fixing one end side of the transporting wire to the rotating body of the hoisting machine, and the other of the conveying wire A third step of attaching the end side to a heavy load suspension member, and a fourth step of rotating the rotating body and winding or unwinding the transfer wire around the rotating body to transfer the heavy object. Prepare.

  The heavy article conveyance method using the hoist according to the present invention conveys a heavy article by using an existing hoist as a lifting device. Thereby, a heavy article can be easily conveyed with a simple configuration. Therefore, the number of man-hours for the conveyance work is reduced.

It is the schematic which looked at the example of the building which applies the heavy article conveyance method using the winding machine of this invention from the front. It is a schematic diagram explaining the heavy article conveyance method using the winding machine by Embodiment 1 of this invention in the building of FIG. In the building of FIG. 1, it is a schematic diagram explaining the heavy article conveyance method using the winding machine by Embodiment 2 of this invention. In the building of FIG. 1, it is a schematic diagram explaining the heavy article conveyance method using the winding machine by Embodiment 3 of this invention. In the building of FIG. 1, it is a schematic diagram explaining the heavy article conveyance method using the winding machine by Embodiment 4 of this invention. It is the schematic which looked at the example of the other building which applies the heavy article conveyance method using the winding machine of this invention from the front. It is a schematic plan view explaining the structure in the case of implementing the 1st process of the heavy article conveyance method using the winding machine by Embodiment 2 of this invention in the building of FIG. It is a schematic plan view explaining the procedure in the case of implementing the 1st process of the heavy article conveyance method using the winding machine by Embodiment 2 of this invention in the building of FIG. It is a schematic plan view explaining the procedure in the case of implementing the 1st process of the heavy article conveyance method using the winding machine by Embodiment 2 of this invention in the building of FIG. It is a schematic plan view explaining the procedure in the case of implementing the 1st process of the heavy article conveyance method using the winding machine by Embodiment 2 of this invention in the building of FIG. It is a schematic plan view explaining the procedure in the case of implementing the 1st process of the heavy article conveyance method using the winding machine by Embodiment 2 of this invention in the building of FIG. It is a schematic plan view explaining the procedure in the case of implementing the 2nd and 3rd process of the heavy article conveyance method using the winding machine by Embodiment 2 of this invention in the building of FIG. It is a schematic side view explaining the 4th process at the time of implementing the heavy article conveyance method using the winding machine by Embodiment 2 of this invention in the building of FIG. It is a schematic side view explaining the 4th process at the time of implementing the heavy article conveyance method using the winding machine by Embodiment 2 of this invention in the building of FIG. It is a schematic plan view explaining the procedure in the case of implementing the 2nd and 3rd process of the heavy article conveyance method using the winding machine by Embodiment 4 of this invention in the building of FIG. It is a schematic side view explaining the case where the heavy article conveyance method using the winding machine by Embodiment 4 of this invention is implemented in the building of FIG. It is a schematic side view explaining the case where the heavy article conveyance method using the winding machine by Embodiment 4 of this invention is implemented in the building of FIG. It is the schematic which shows the heavy article conveyance method using the winding machine by Embodiment 5 of this invention.

  Hereinafter, a preferred embodiment of a heavy material transport method using a hoist according to the present invention will be described with reference to the drawings. In addition, FIGS. 1-11 is schematic, The dimension and ratio of each element differ from an actual thing. Moreover, although each embodiment of this invention has demonstrated the case where the new hoisting machine 20 as a heavy article is carried in into the machine room 120, this is an example. The heavy material transport method using the hoist according to the present invention can be applied to a case where heavy objects such as a control panel and a machine base are carried into the machine room, and these heavy objects are carried out from the machine room. It is also applicable to cases.

Embodiment 1 FIG.
FIG. 1 is a front view illustrating an example of a building 100 that transports a new hoist 20 that is a heavy article using the heavy article transport method using the hoist according to Embodiment 1 of the present invention.

  As shown in FIG. 1, the building 100 includes an elevator apparatus 1. The elevator apparatus 1 includes a car 15, a hoistway 110 in which the car 15 moves up and down, and a machine room 120 provided on the upper part of the hoistway 110.

  In the machine room 120, a hoisting machine 10, a deflecting wheel 12, a control panel 18 and the like are installed. For example, two steel materials 121 are installed on the floor of the machine room 120. A pair of hoisting machine bases 16 are arranged on the two steel members 121 such that the longitudinal direction thereof is orthogonal to the two steel members 121.

  The control panel 18 is fixed to the floor of the machine room 120 and controls the operation of the elevator apparatus 1. The hoisting machine 10 is fixed to two steel members 121 by welding via a pair of hoisting machine bases 16.

  The hoisting machine 10 has a sheave 11. A main rope 14 is wound around the baffle wheel 12 and the sheave 11 of the hoisting machine 10. One end side of the main rope 14 is attached to the car 15. The other end side of the main rope 14 is attached to the counterweight 13.

  When the sheave 11 of the hoisting machine 10 is rotated, the main rope 14 moves. When the main rope 14 moves, the car 15 to which one end side of the main rope 14 is attached moves up and down in the hoistway 110. As a result, the car 15 moves between the halls provided on each floor of the building 100.

  In addition, the building 100 includes a staircase 141 following the machine room 120 on the uppermost floor 140 that is lower than the machine room. The path from the staircase 141 to the machine room 120 is linearly arranged. In FIG. 1, the entrance / exit of the machine room 120, walls, and the like are omitted.

  The hoisting machine 10 installed in the machine room 120 is installed in the direction and position where the path from the stairs 141 to the machine room 120 and the radial extension line of the rotating shaft of the hoisting machine 10 substantially coincide. .

  FIG. 2 is a schematic diagram for explaining a heavy article conveying method using the hoist according to Embodiment 1 of the present invention. FIG. 2 shows simplified staircases 141, walls, floors, and the like. Hereinafter, the first to fourth steps of the heavy material transport method using the hoist according to the first embodiment will be described with reference to FIGS. 1 and 2.

  First, as a preparation, as shown in FIG. 1, a new hoist 20 as a heavy article to be carried into the machine room 120 and materials (not shown) are placed on the uppermost floor 140 of the building 100. Specifically, the new hoisting machine 20 is loaded on the carriage 200, placed on the car 15 of the elevator apparatus 1, and conveyed to the floor 140 on the top floor. Then, after lowering the empty car 15 to the lowest position, the hoisting machine 10 is switched to manual operation.

  Next, the first step will be described. In the first step, the main rope 14 is removed from the sheave 11 of the hoisting machine 10. Peripheral devices other than the hoisting machine 10, such as the main rope 14, the deflector 12 and the counterweight 13, are appropriately stored according to the subsequent processing, such as storing them for reuse and dismantling them for disposal. To do.

  Next, the second step will be described. In the second step, as shown in FIG. 2, one end side of the conveying wire 80 is attached to the sheave 11. One end of the transfer wire 80 is attached so that the transfer wire 80 is wound around the sheave 11 when the sheave 11 is rotated. For example, one end side of the conveyance wire 80 is attached to the spoke of the sheave 11 using a wire clip.

  In addition, the wire 80 for conveyance selects the thing of the diameter according to the weight of a heavy article. Since the groove formed in the outer periphery of the sheave 11 is shallow, there is a possibility that it will come off from the sheave 11 when the conveying wire 80 is wound. Therefore, a flange-like attachment may be attached to the side surface of the sheave 11 in the axial direction to prevent the conveyance wire 80 from coming off.

  When the transport wire 80 cannot be attached to the sheave 11, the sheave 11 is replaced with a rotating body (not shown) in which the transport wire 80 can be attached and wound. For the rotating body, for example, a drum having flanges at both ends in the axial direction is used. A mounting hole for attaching the conveyance wire 80 is provided in the shaft portion of the drum. The sheave 11 is removed from the rotating shaft of the hoisting machine 10 and replaced with a drum, and one end side of the conveying wire 80 is attached to the mounting hole of the drum.

  Next, the third step will be described. In the third step, the other end of the conveyance wire 80 is attached to the suspension bolt 20a of the new hoisting machine 20. In addition, the other end side of the conveyance wire 80 may be attached to a sling belt passed through the suspension bolt 20a of the new hoist 20 or may be attached to the carriage 200.

  Next, the fourth step will be described. In the fourth step, the hoisting machine 10 is manually operated to rotate the sheave 11 at a low speed. Then, one end side of the conveying wire 80 is wound around the sheave 11. Then, the other end side of the conveyance wire 80 is drawn toward the hoisting machine 10, and the carriage 200 on which the new hoisting machine 20 is placed moves toward the machine room 120.

  A steel plate 401 or the like is disposed on the stairs 141 to form a slope. Then, the carriage 200 runs on the steel plate 401. When there is an existing slope beside the stairs 141, the carriage 200 is caused to travel via the existing slope.

  When the carriage 200 with the new hoisting machine 20 arrives at the machine room 120, the conveying wire 80 is removed from the suspension bolt 20a of the new hoisting machine 20. As described above, the first process to the fourth process of the first embodiment are completed, and the loading operation of the new hoist 20 into the machine room 120 is completed.

  After that, as the renovation work of the elevator apparatus 1, an operation to replace the existing hoisting machine 10 with a new hoisting machine 20 is performed, which is omitted here.

  In addition, after replacing the hoisting machine 10 with a new hoisting machine 20, the hoisting machine 10 is transported to the uppermost floor 140. At this time, the order of the first process to the fourth process is reversed. By doing so, the hoisting machine 10 can be transported from the machine room 120 to the uppermost floor 140. In this case, the hoisting machine 10 is transported while the transporting wire 80 wound around the hoisting machine 20 is rewound, but tension is not applied to the transporting wire 80 in a place where the path is horizontal, so that the operator Assists to move the hoisting machine 10.

  Thus, according to the heavy article conveyance method using the hoisting machine of the first embodiment, by using the existing hoisting machine 10 as the lifting device, the lifting device is attached to and detached from the portal structure, In addition, a heavy object can be easily transported to the machine room with a simple configuration without repeating operations such as moving the portal structure. Therefore, the number of man-hours for the conveyance work is reduced.

Embodiment 2. FIG.
FIG. 3 is a schematic diagram for explaining a heavy article conveying method using the hoist according to the second embodiment of the present invention. In the heavy material transfer method using the hoist according to the second embodiment, the portal structure 300, 301 is installed in the machine room 120, the guide pipe 350 is disposed, and the transfer wire 80 is connected to the pulley 61. Is different from the first embodiment. Other configurations are the same as those in the first embodiment.

  The gate-shaped structure 300 includes an iron pipe 310 that is disposed with its longitudinal direction horizontal, a pair of pipe supports 320 that support the iron pipe 310, and a plurality of clamps that fix the iron pipe 310 and the pair of pipe supports 320. 330. Similarly, the gate-shaped structure 301 fixes an iron pipe 311 arranged with its longitudinal direction horizontal, a pair of pipe supports 321 that support the iron pipe 311, and the iron pipe 311 and the pair of pipe supports 321. And a plurality of clamps 331.

  One end of the guide pipe 350 is fixed to the iron pipe 310 of the portal structure 300 by a clamp 330. The other end side of the guide pipe 350 is fixed to the iron pipe 311 of the portal structure 301 by a clamp 331.

  A pulley 61 is attached to the guide pipe 350. A conveyance wire 80 is hung on the pulley 61. The pulley 61 has a wire cover that can be opened and closed, and the conveyance wire 80 can be easily attached and detached.

  By configuring in this way, the heavy article conveyance method using the hoist according to the second embodiment does not bring the conveyance wire 80 into contact with the stairs 141 even when the stairs 141 are steeply inclined. The hoist 20 can be transported from the top floor 140 to the machine room 120.

Embodiment 3 FIG.
FIG. 4 is a schematic diagram for explaining a heavy article conveying method using the hoist according to the third embodiment of the present invention. In the heavy material transport method using the hoist according to the third embodiment, the portal structure 300, 301 is installed in the machine room 120, the guide pipe 350 is disposed, and the floor 140 on the top floor is provided. The point that the portal structure 302 is installed, the guide pipe 351 is disposed on the staircase 141, and the hoisting machine 20 is lifted by using the chain block 70 instead of the carriage 200. Different from Form 1. Other configurations are the same as those in the first embodiment.

  The structures of the gate-type structures 300 and 301 and the guide pipe 350 are the same as those in the second embodiment. The gate-type structure 302 includes an iron pipe 313 arranged with its longitudinal direction horizontal, a pair of pipe supports 323 that support the iron pipe 313, and a plurality of clamps that fix the iron pipe 313 and the pair of pipe supports 323. 333.

  One end of the guide pipe 351 is fixed to the portal structure 300, and the other end is fixed to the portal structure 302. A suspension member 90 that is slidable along the guide pipe 351 is attached to the guide pipe 351. The suspension member 90 is, for example, a wire formed in an annular shape. A suspension member 91 similar to the suspension member 90 is attached to the guide pipe 350.

  A hook 70 a on the suspension side of the chain block 70 is hung on the suspension member 90. The other end side of the conveyance wire 80 is attached to the hook 70 a or the suspension member 90 on the suspension side of the chain block 70. The hook 70b on the lifting side of the chain block 70 is hung on a hanging bolt 20a of the hoist 20 or a sling belt passed through the hanging bolt 20a. In this state, the chain of the chain block 70 is wound up and the hoisting machine 20 is lifted.

  In this state, when the conveying wire 80 is wound up by the existing hoisting machine 10, the suspension member 90 moves along the guide pipe 351 toward the machine room 120. As the suspension member 90 moves, the chain block 70 and the hoist 20 lifted by the chain block 70 move toward the machine room 120.

  When the suspension member 90 reaches one end of the guide pipe 351, the chain of the chain block 70 is rewound and the hoisting machine 20 is lowered to the floor. Then, the hook 70a is removed from the suspension member 90 of the guide pipe 351, and the suspension member 91 of the guide pipe 350 is hung on the hook 70a. The chain of the chain block 70 is wound up, the hoisting machine 20 is lifted again, and the hoisting machine 20 is moved to a desired position along the guide pipe 350.

  By configuring in this way, the heavy article transport method using the hoisting machine of the third embodiment has a simple configuration without arranging the steel plate 401 on the stairs 141 and without using the carriage 200. The hoist 20 can be transported from the top floor 140 to the machine room 120.

Embodiment 4 FIG.
FIG. 5 is a schematic diagram for explaining a heavy article conveying method using the hoist according to the fourth embodiment of the present invention. The heavy article conveyance method using the hoisting machine of the fourth embodiment is different from the third embodiment in that the pulley 61 of the second embodiment is added to the configuration of the third embodiment. Other configurations are the same as those of the third embodiment.

  Similar to the second embodiment, the conveying wire 80 is hung on the pulley 61. In this state, when the conveying wire 80 is wound up by the existing hoisting machine 10, the suspension member 90 moves along the guide pipe 351 toward the machine room 120. As the suspension member 90 moves, the chain block 70 and the hoist 20 lifted by the chain block 70 move toward the machine room 120.

  When the suspension member 90 reaches one end of the guide pipe 351, the chain of the chain block 70 is rewound and the hoisting machine 20 is lowered to the floor. Then, the hook 70 a is removed from the suspension member 90 of the guide pipe 351, and the transfer wire 80 is removed from the pulley 61. Next, the suspension member 91 of the guide pipe 350 is hung on the hook 70 a of the chain block 70. The chain of the chain block 70 is wound up, the hoisting machine 20 is lifted again, and the hoisting machine 20 is moved to a desired position along the guide pipe 350.

  By configuring in this way, the heavy article conveyance method using the hoisting machine of the fourth embodiment does not bring the conveyance wire 80 into contact with the stairs 141 even when the stairs 141 are steep. The hoist 20 can be transported from the top floor 140 to the machine room 120.

  Up to this point, in the building 100 where the path from the top floor 140 to the machine room 120 via the stairs 141 is a straight line, the heavy goods transport using the hoist according to the first to fourth embodiments of the present invention is performed. The case where the method is applied has been described. However, the route from the top floor to the machine room via the stairs is not always linear.

  Therefore, in the other building 100A in which the route from the top floor 140A to the machine room 120A via the stairs 142, 143 is not linear as shown in FIG. The case where the heavy article conveyance method using the hoist according to 2 and 4 is applied will be described with reference to FIGS. 7A to 10B.

  As shown in FIG. 6, the building 100A includes an elevator apparatus 1A. The elevator apparatus 1A includes a car 15A, a hoistway 110A in which the car 15A moves up and down, and a machine room 120A provided in the upper part of the hoistway 110A.

  In the machine room 120A, a hoisting machine 10A, a deflecting wheel 12A, a control panel 18A, and the like are installed. For example, two steel materials 121A are installed on the floor of the machine room 120A. On the two steel members 121A, a pair of hoisting machine bases 16A are arranged with their longitudinal directions orthogonal to the two steel members 121A.

  The control panel 18A is fixed to the floor of the machine room 120A and controls the operation of the elevator apparatus 1A. The hoisting machine 10A is fixed to the two steel members 121A by welding via a pair of hoisting machine bases 16A.

  The hoisting machine 10A has a sheave 11A. A main rope 14A is wound around the deflector wheel 12A and the sheave 11A of the hoisting machine 10A. One end side of the main rope 14A is attached to the car 15A.

  FIG. 7A is a plan view illustrating an outline of a route from the top floor 140A of the building 100A to the machine room 120A. As shown in FIG. 7A, the building 100A includes a staircase 142 that leads from the top floor 140A to the landing 145, and a staircase 143 that leads from the landing 145 to the entrance of the machine room 120A.

  In the hoisting machine 10A of the building 100A, the entrance / exit of the machine room 120A is not arranged on the radial extension line of the rotating shaft of the hoisting machine 10A. Further, the radial direction of the rotating shaft of the hoisting machine 10A and the direction of the path along the stairs 143 are orthogonal to each other.

  Next, preparation and first to fourth steps for applying the heavy article transport method using the hoist according to Embodiment 2 of the present invention to the building 100A will be described.

  As a preparation, as shown in FIG. 6, a new hoist 20 as a heavy object to be carried into the machine room 120A, materials (not shown), and the like are placed on the uppermost floor 140A of the building 100A. Specifically, the new hoisting machine 20 is loaded on the carriage 200, placed on the car 15A of the elevator apparatus 1A, and transported to the top floor 140A. Then, after lowering the empty car 15A to the lowest position, the hoisting machine 10A is switched to manual operation.

  Next, the first step will be described with reference to FIGS. 7A to 7E. In the first step, first, as shown in FIG. 7A, the main rope 14A is removed from the sheave 11A of the hoisting machine 10A. Peripheral devices such as the main rope 14A other than the hoisting machine 10A, the deflector 12A and the like are appropriately processed according to the subsequent processing, such as storing them for reuse and dismantling them for disposal.

  Next, the hoisting machine 10A is removed from the pair of hoisting machine bases 16A, and as shown in FIG. If the direction of the hoisting machine 10A is not changed in consideration of the arrangement and space of the equipment around the hoisting machine 10A in the machine room 120A, it is easier to form a route to the stairs 143. Is not necessary.

  Next, as shown in FIG. 7C, the gate-type structure 303 is installed in the landing 145, and the gate-type structure 304 is installed in the machine room 120A.

  The gate-type structure 303 includes three iron pipes 313 arranged with the longitudinal direction horizontal, four pipe supports 323 that support each iron pipe 313, each iron pipe 313, and each pipe support 323. It consists of six clamps 333 to be fixed. Similarly, the gate-shaped structure 304 includes three iron pipes 314 that are arranged with the longitudinal direction horizontal, four pipe supports 324 that support each iron pipe 314, each iron pipe 314, and each pipe support. And six clamps 334 for fixing 324.

  Next, as shown in FIG. 7D, when the beam supports 51 to 57 are attached between the gate-type structures 303 and 304 and the building 100A, and the gate-type structures 303 and 304 are pulled in the horizontal direction. Prevent falling. The beam supports 51 to 53 are attached between the wall between the stairs 142 and 143 and the portal structure 303. The beam supports 54 to 56 are attached between the wall between the staircase 143 and the machine room 120 </ b> A and the portal structure 304. The beam supports 57 and 58 are attached between the beams 101A and 102A of the machine room 120A and the portal structure 304, respectively.

  In addition, about the attachment position of the beam support 51-57, it is an example and the attachment position can be suitably changed with the structure of the machine room 120A and the landing 145. Further, here, the beam supports 51 to 57 are used for preventing the fall of the gate-type structures 303 and 304, but any member can be used as long as the members can prevent the fall of the gate-type structures 303 and 304. It doesn't matter. For example, a pipe support may be used instead of the beam support.

  Next, as shown in FIG. 7E, pulleys 62 to 65 are attached at positions where the direction of the route changes. At the landing 145, the route changes twice by 90 °. Therefore, the two pulleys 62 and 63 are attached to the portal structure 303 of the landing 145. Further, the path from the stairs 143 to the machine room 120A changes by 90 °. Therefore, the pulley 64 is attached in the vicinity of the entrance of the machine room 120A of the portal structure 304. Further, a pulley 65 is attached to the portal structure 304 so that the conveying wire 80 is directed toward the sheave 11A side of the hoist 10A. As the pulleys 62 to 65, pulleys that can open and close the wire cover and can easily attach and detach the conveyance wire 80 are used. The above is the first step.

  Next, the second step will be described. In the second step, as shown in FIG. 7F, one end of the transfer wire 80 is attached to the sheave 11A. Since the attachment of the transfer wire 80 to the sheave 11A is the same as that of the sheave 11 of the first embodiment, the description thereof is omitted here.

  Next, the third step will be described. In the third step, as shown in FIG. 7F, the conveying wire 80 is disposed along the path. Then, the other end side of the transfer wire 80 is attached to the suspension bolt 20 a of the new hoist 20 loaded on the carriage 200. In addition, the other end side of the conveyance wire 80 may be attached to a sling belt passed through the suspension bolt 20a of the new hoist 20 or may be attached to the carriage 200.

  And the intermediate part of the wire 80 for conveyance is hung on each pulley 62-65. Further, steel plates 401 and 402 are disposed on the stairs 142 and 143, respectively, to form a slope on which the carriage 200 travels.

  Next, the fourth step will be described. In the fourth step, the hoisting machine 10A is manually operated to rotate the sheave 11A at a low speed. And the one end side of the wire 80 for conveyance is wound around the sheave 11A. Then, the other end side of the conveyance wire 80 is drawn toward the hoisting machine 10 </ b> A, and the carriage 200 on which the new hoisting machine 20 is placed moves.

  As shown in FIG. 8A, the carriage 200 on which the hoisting machine 20 is mounted travels on the steel plate 401 and heads for the landing 145. When the carriage 200 on which the hoisting machine 20 is mounted reaches the landing 145, the hoisting operation of the hoisting machine 10A is stopped, and the conveying wire 80 is removed from the pulleys 62 and 63.

  Next, the traveling direction of the carriage 200 on which the hoist 20 is placed is directed to the stairs 143. Then, the hoisting operation of the hoisting machine 10A is started. Then, as shown in FIG. 8B, the carriage 200 on which the hoisting machine 20 is mounted travels on the steel plate 402 toward the machine room 120 </ b> A.

  When the carriage 200 on which the hoisting machine 20 is placed reaches the entrance of the machine room 120A, the hoisting operation of the hoisting machine 10A is stopped and the conveying wire 80 is removed from the pulley 64.

  When the carriage 200 on which the hoisting machine 20 is placed arrives at the machine room 120A, the conveying wire 80 is removed from the suspension bolt 20a of the hoisting machine 20. As described above, when the heavy article transport method using the hoist according to the second embodiment is applied to the building 100A, the carry-in work of the hoist 20 into the machine room 120A is completed.

  Next, a fourth process when the heavy article transport method using the hoist according to Embodiment 4 is applied to the building 100A will be described with reference to FIGS. 9, 10A, and 10B.

  FIG. 9 is a plan view showing an outline of a route from the top floor 140A of the building 100A to the machine room 120A when the heavy article transport method using the hoist according to the fourth embodiment is applied to the building 100A. It is. 10A and 10B are side views of FIG. 9 viewed from the staircase 142 side.

  The configuration shown in FIG. 9 is different from the configuration of FIG. 7F in that the portal structure 305 is installed on the top floor 140A, the guide pipes 352 to 356 are arranged along the route, Instead, the hoisting machine 20 is lifted using the chain block 70. Other configurations are the same as those of the second embodiment shown in FIG. 7F.

  One end of the guide pipe 352 is fixed to the portal structure 305 and the other end is fixed to the portal structure 303. One end side and the other end side of the guide pipe 353 are fixed to the portal structure 303. One end of the guide pipe 354 is fixed to the portal structure 303 and the other end is fixed to the portal structure 304. One end and the other end of the guide pipe 355 are fixed to the portal structure 304. One end of the guide pipe 356 is fixed to the portal structure 304, and the other end is fixed to the pipe support 325.

  The gate-type structure 305 and the guide pipes 352 to 356 are installed in the first step. Further, the positions of the guide pipes 352 to 356 on the horizontal plane in FIG. 9 are shifted from the path so that the figure can be easily seen. Actually, the position of each guide pipe 352 to 356 on the horizontal plane overlaps the path.

  Suspension members 92 to 96 that are slidable along the guide pipes 352 to 356 are attached to the guide pipes 352 to 356, respectively. The suspension members 92 to 96 are formed, for example, by forming wires in an annular shape.

  As shown in FIG. 10A, a hook 70 a on the suspension side of the chain block 70 is hung on the suspension member 92. The other end side of the conveyance wire 80 is attached to the hook 70 a or the suspension member 92 on the suspension side of the chain block 70. The hook 70b on the lifting side of the chain block 70 is hung on a hanging bolt 20a of the hoist 20 or a sling belt passed through the hanging bolt 20a. In this state, the chain of the chain block 70 is wound up and the hoisting machine 20 is lifted.

  In this state, the hoisting machine 10A is manually operated to rotate the sheave 11A at a low speed. And the one end side of the wire 80 for conveyance is wound around the sheave 11A. Then, the other end side of the conveyance wire 80 is drawn toward the hoisting machine 10 </ b> A, and the chain block 70 and the hoisting machine 20 move along the guide pipe 352.

  As shown in FIG. 10A, the hoist 20 lifted by the chain block 70 goes to the landing 145. When the chain block 70 reaches the landing 145, the hoisting operation of the hoisting machine 10A is stopped. Next, the chain of the chain block 70 is rewound and the hoisting machine 20 is lowered to the floor of the landing 145. Then, the hook 70a is removed from the suspension member 92 of the guide pipe 352, and the suspension member 93 of the guide pipe 353 is hung on the hook 70a. The chain of the chain block 70 is wound up, the hoisting machine 20 is lifted again, and the hoisting machine 20 is moved to a desired position along the guide pipe 353.

  When the chain block 70 reaches the opposite side of the guide pipe 353, the hoisting operation of the hoisting machine 10A is stopped. Next, the chain of the chain block 70 is rewound and the hoisting machine 20 is lowered to the floor of the landing 145. Then, the hook 70a is removed from the suspension member 93 of the guide pipe 353, and the suspension member 94 of the guide pipe 354 is hung on the hook 70a. The chain of the chain block 70 is wound up, the hoisting machine 20 is lifted again, and the hoisting machine 20 is moved along the guide pipe 354 to the entrance of the machine room 120A.

  When the chain block 70 reaches the entrance of the machine room 120A, the hoisting operation of the hoisting machine 10A is stopped. Next, the chain of the chain block 70 is rewound and the hoisting machine 20 is lowered to the floor. Then, the hook 70a is removed from the suspension member 94 of the guide pipe 354, and the suspension member 95 of the guide pipe 355 is hung on the hook 70a. The chain of the chain block 70 is wound up, the hoisting machine 20 is lifted again, and the hoisting machine 20 is moved along the guide pipe 355 into the machine room 120A.

  When it is desired to transport the hoisting machine 20 to the vicinity of the hoisting machine 10 </ b> A, the hoisting machine 20 is similarly moved along the guide pipe 356. With this configuration, the hoisting machine from the top floor 140A to the machine room 120A can be constructed with a simple configuration without arranging the steel plates 401, 402 on the stairs 142, 143 and without using the carriage 200. 20 can be transported.

  The number and arrangement of iron pipes, pipe supports, and clamps constituting each gate-type structure are examples, and can be appropriately changed depending on the situation at the site. Moreover, each gate type structure is not restricted to what is comprised by an iron pipe, a pipe support, and a clamp. For example, each gate-type structure may be constituted by members other than iron pipes, pipe supports, and clamps. Furthermore, if it is possible to drive the anchor into the ceiling, wall, etc. of the building, the iron pipe and the guide pipe may be supported using the anchor without installing the portal structure, and each pulley is anchored. You may attach to.

Embodiment 5 FIG.
FIG. 11 is a schematic diagram illustrating a heavy material transport method using the hoist according to the fifth embodiment of the present invention. In the first to fourth embodiments, the hoisting machine 20 is transported on a path with stairs. However, the heavy article transporting method using the hoisting machine of the fifth embodiment uses the hoistway 110B as a path. This is different from the first to fourth embodiments.

  In the heavy material transport method using the hoist according to the fifth embodiment, first, the portal structure 306 is installed in the machine room 120B, and the pulley 66 is attached to the portal structure 306. Next, the opening provided on the floor of the machine room 120B and communicating with the hoistway 110B is opened. Next, the hoisting machine 20 is disposed on the car 15B of the elevator apparatus 1B, and the ceiling door 17 of the car 15B is opened.

  Next, one end side of the conveyance wire 80 is connected to the sheave 11B of the existing hoisting machine 10B. Next, the intermediate portion of the conveying wire 80 is hung on the pulley 66. Next, the other end side of the conveying wire 80 is connected to the sling belt passed through the suspension bolt 20a or the suspension bolt 20a of the hoisting machine 20. Next, the sheave 11B of the hoisting machine 10B is rotated at a low speed, and the conveying wire 80 is wound up. Next, the hoisting machine 20 is pulled up from the car 15B by the conveying wire 80. Then, the hoisting machine 20 is carried into the machine room 120B via the opening of the ceiling of the car 15B, the hoistway 110B, and the opening of the floor of the machine room 120B.

  Note that the portal structure 306 is not necessarily installed when an anchor can be hit on the ceiling of the machine room 120B. In this case, an anchor is driven into the ceiling of the machine room 120B, and the pulley 66 is attached to the anchor. Further, the hoisting machine 20 may be lifted directly by the sheave 11B of the hoisting machine 10B without using the pulley 66. Thereby, the hoisting machine 20 can be carried into the machine room 120B with a simpler configuration.

  As described above, according to the heavy article transport method using the hoist according to the first to fifth embodiments of the present invention, a heavy equipment can be easily and easily used with a simple configuration without requiring a lifting device such as a winch. Can be transported. Therefore, the number of man-hours for the conveyance work is reduced.

  1,1A, 1B Elevator device, 10, 10A, 10B Hoisting machine (existing hoisting machine), 11, 11A, 11B Sheave (rotary body), 12, 12A Baffle, 13 Counterweight, 14, 14A Main Cable, 15, 15A, 15B Car, 16, 16A Hoisting machine stand, 18, 18A Control panel, 20 Hoisting machine (heavy), 20a Suspension bolt (hanging member), 51-57 Beam support, 61- 66 pulley, 70 chain block (hanging member), 70a, 70b hook, 80 conveying wire, 90-96 hanging member, 100, 100A, 100B building, 101A, 102A beam, 110, 110A, 110B hoistway, 120, 120A , 120B Machine room, 140, 140A, 140B Top floor (lower than the machine room), 141-143 Stairs, 45 landing, 200 bogie, 300-305 portal structure, 310-314 iron pipe, 320-324 pipe support, 330-334 clamp, 350-356 guide pipe, 401, 402 steel plate.

Claims (8)

Heavy object conveyance using a hoisting machine that conveys heavy objects using the hoisting machine along a path connecting a machine room in which an existing hoisting machine is disposed and a place lower than the machine room. A method,
A first step of removing the main rope from the hoist;
A second step of fixing one end side of the conveying wire to the rotating body of the hoisting machine;
A third step of attaching the other end of the transfer wire to the heavy load side;
A fourth step of transporting the heavy object by rotating the rotating body and winding or rewinding the transport wire around the rotating body,
A heavy material transport method using a hoisting machine. The first step further includes:
Installing a portal structure in the path;
Attaching a pulley to the portal structure,
The second step further includes:
Winding the intermediate portion of the carrier wire around the pulley;
A heavy article conveying method using the hoist according to claim 1. The first step further includes:
Installing a portal structure in the path;
Fixing the guide pipe to the portal structure along the path;
Attaching a chain block to the guide pipe movably along the longitudinal direction of the guide pipe,
The third step further includes a step of lifting the heavy object by the chain block.
A heavy article conveying method using the hoist according to claim 1. The first step further includes:
Installing a portal structure in the path;
Attaching a pulley to the portal structure;
Fixing the guide pipe to the portal structure along the path;
Attaching a chain block to the guide pipe movably along the longitudinal direction of the guide pipe,
The second step further includes:
Winding the intermediate portion of the carrier wire around the pulley;
The third step further includes a step of lifting the heavy object by the chain block.
A heavy article conveying method using the hoist according to claim 1. The path is a hoistway where the elevator car rides up and down.
A heavy article conveying method using the hoist according to claim 1. The path includes stairs,
The heavy article conveyance method using the winding machine as described in any one of Claim 1 to 4. The rotating body is a sheave of the hoisting machine,
The heavy article conveyance method using the winding machine as described in any one of Claim 1 to 6. The rotating body is a drum having flanges at both ends in the axial direction,
The second step includes
Removing the sheave from the rotating shaft of the hoisting machine;
Attaching the drum to the rotating shaft.
The heavy article conveyance method using the winding machine as described in any one of Claim 1 to 6.

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