JP2005067820A - Main cable hooking device of elevator winch and method therefor - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a main cable hooking device of an elevator winch embodies in a simple structure, allowing easy transport and storage of the device and capable of easily dismantling an engaging means fastened to a driving sheave. <P>SOLUTION: The main cable hooking device of the elevator winch is structured so that the main cable of elevator is inserted from an intrusion hole in the winch, taken out of the leadout hole in the winch, and thereby wound on the sheave installed inside the winch, wherein the arrangement includes a guide tool furnished with a coupling means to generate coupling with the main cable, the engaging means to engage the inserted cable with the sheave, and a takeout means for taking it out of the leadout hole. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to an apparatus and a method for winding a main rope around a driving sheave of an elevator hoist.

  A leading strip connected to the leading end of the main rope is inserted through the entrance hole of the main rope and locked to the driving sheave, and the leading strip is moved to the advancing hole of the main rope by rotating the driving sheave. A conventional rope hoist main rope hooking device that performs a body movement process and a main rope winding process that draws a leading rope from an advancing hole and winds the main rope around a driving sheave includes a lead made of an elastic material. There are some which are provided with connecting means for connecting the main rope and the leading strip at both ends of the strip, and locking means for locking the leading strip to the driving sheave provided in the housing (for example, , See Patent Document 1).

Japanese Patent Laid-Open No. 2002-362851 (FIGS. 8 to 9)

  The main hoisting device for an elevator hoist described in Patent Document 1 includes a connecting tool that is connected to the main rope, a leading strip made of an elastic material, and a locking means that is attracted to the driving sheave. In addition, the leading strip has a certain length and cannot be folded small so as not to cause plastic deformation, which is inconvenient for transportation and storage.

  Also, in the main rope winding process in which the leading rope is pulled out from the main hole advancing hole and the main rope is wound around the driving sheave, the operator is required to remove the locking means adsorbed on the driving sheave. There is also a problem in that work efficiency is poor because the locking means must be removed from the drive sheave by putting a hand into the narrow advance hole.

  The present invention has been made to solve the above-described problems, and provides a main rope hooking device for an elevator hoisting machine that has a simple structure and can easily carry and store the device. That is.

  It is another object of the present invention to provide an elevator hoisting main rope hanger capable of easily removing the locking means locked to the driving sheave.

  The main hoisting device for an elevator hoisting machine according to the present invention relates to a connecting means for connecting to the main hoisting of the elevator and a driving sheave inserted into the elevator hoisting machine and provided inside the elevator hoisting machine. It is provided with a guide having locking means for stopping.

  As described above, the present invention includes a connecting means for connecting to the main rope of the elevator and a locking means inserted into the elevator hoisting machine and locked to the drive sheave provided inside the elevator hoisting machine. With the configuration including the above, it has a simple structure and can be easily transported and stored.

Embodiment 1 FIG.
1 is a perspective view of a main rope hanging device for an elevator hoisting machine according to Embodiment 1 of the present invention, and FIGS. 2 and 3 are main rope hoisting operations using the main rope hanging apparatus for the elevator hoisting machine of FIG. FIG.

  In the figure, a rotatable driving sheave 3 for winding and lowering an elevator main rope 4 is installed inside a housing 2 of the elevator hoist 1, and the main rope 4 is located above the hoist 1. The entrance hole 9 and the advance hole 10 are formed. In the winding operation of the main rope 4 which will be described later, the main rope 4 is inserted from the entry hole 9, wound around the drive sheave 3 in a U shape, and then pulled out from the advance hole 10. Further, the distal end portion of the main rope 4 is inserted into a mounting hole 5b provided on the upper surface of the guide 5 and is fixed by a rope retaining bolt 6 comprising a fixing means screwed from one side of the guide 5. The side of the mounting hole 5b is pressed to fix it to the guide 5. Here, when the main rope 4 is fixed to the guide 5, the tip of the main rope 4 can be visually observed from the confirmation hole 5 a provided below the rope fixing bolt 6 and leading to the attachment hole 5 b. Tighten the rope fixing bolt 6 with. On the other side of the guide 5, there is provided a magnet 7 made of a locking means having a curved surface 7 a that is substantially the same shape as the outer peripheral surface of the drive sheave 3.

  In addition, the connection means is comprised by the attachment hole 5b provided in the guide, the confirmation hole 5a, and the rope stop bolt 6 which consists of fixing means.

  Next, the winding work of the main rope 4 when the main rope hanging apparatus of the elevator hoist shown in FIG. 1 is used will be described. First, the guide 5 fixed to the main rope 4 is inserted into the housing 2 from the entrance hole 9 provided in the upper part of the hoisting machine 1, and the curved surface 7 a of the magnet 7 provided in the guide 5 is the drive rope. A main rope locking step is performed in which the guide tool 5 is attracted to the driving sheave 3 so as to face the outer peripheral surface of the vehicle 3 (FIG. 2). Next, the main rope moving step of manually rotating the driving sheave 3 until the guide 5 passes through the lower part of the hoisting machine 1 and is located below the advance hole 10 provided in the upper part of the hoisting machine 1. I do. Then, by inserting the hand 8 into the advancing hole 10 (FIG. 3) and taking out the guide tool 5, the winding work of the main rope 4 is completed.

  According to the first embodiment of the present invention, since the guide 5 provided with the magnet 7 has a simple structure, the main rope 4 can be easily attached and wound. Further, since the number of parts is small and the volume is small, it is convenient for transportation and storage. Furthermore, when attaching the main rope 4, in order to tighten the rope stopper bolt 6 in a state where the tip of the main rope 4 can be confirmed from the confirmation hole 5a provided below the rope stopper bolt 6, A portion away from the tip of the main rope 4 by a predetermined distance can be fixed with the rope fixing bolt 6. Therefore, by fixing the most distal end portion of the main rope 4 when the main rope 4 is attached, it is possible to prevent a problem that the main rope 4 comes out of the attachment hole 5b of the guide tool 5 during the winding work. It becomes possible.

Embodiment 2. FIG.
4 is a perspective view of a main rope hanging apparatus for an elevator hoisting machine according to Embodiment 2 of the present invention, and FIG. 5 is a longitudinal section showing a main rope winding operation using the main rope hanging apparatus for the elevator hoisting machine shown in FIG. FIG.

  In the figure, a projection 11b projecting downward is formed at the lower part of the guide 11 and a shaft 13 is rotatably supported at the center of the projection 11b. In addition, both ends of the shaft 13 are fixed to both ends of the take-out tool 12 composed of a substantially U-shaped attachment means, and the rest has the same configuration as in the first embodiment.

  Next, the winding work of the main rope 4 when the main rope hanging apparatus of the elevator hoist shown in FIG. 4 is used will be described. As in the first embodiment, first, a main rope locking step for attracting the magnet 7 provided on the guide 11 to the driving sheave 3 is performed. Thereafter, a main rope moving step is performed in which the driving sheave 3 is manually rotated and moved until the guide 11 passes through the lower part of the hoist 1 and is positioned below the advance hole 10. Here, a hook 18 made of a substantially L-shaped or substantially L-shaped drawing tool is engaged with the extraction tool 12 provided at the tip of the guide tool 11. In this state, the rod 18 is pulled upward, the guide tool 11 is pulled away from the drive sheave 3, and is taken out from the advance hole 10 (FIG. 5).

  According to the second embodiment of the present invention, the guide tool 11 is removed from the advancing hole 10 by engaging the take-out tool 12 provided at the distal end of the guide tool 11 with the substantially L-shaped or substantially L-shaped hook 18. Since it can be easily taken out, work efficiency is improved. In particular, when the rigidity of the main rope 4 is high or when many main ropes 4 are wound at once, the guide tool 11 is prevented from being detached from the driving sheave 3 during the winding work. The strong sheave 7 must be used to firmly adhere to the driving sheave 3. In such a case, it is difficult to insert a hand into the narrow advance hole 10 and pull out the guide tool 11, which causes deterioration in workability. However, by adopting a configuration in which the guide tool 11 is pulled out by engaging the substantially L-shaped or L-shaped bar 18 with the extraction tool 12, the work is facilitated and the work efficiency is improved.

Embodiment 3
6 is a perspective view showing a main part of a main rope hanging device for an elevator hoist according to Embodiment 3 of the present invention, FIG. 7 is a diagram showing that the main part of FIG. 6 is fixed to a guide, FIG. FIG. 9 is a longitudinal sectional view showing the main rope winding work using the main part of FIG.

  In the figure, a pivotable extractor 12 is provided at the tip of a guide 11 to which the main rope 4 is attached. One end of a leading strip 16 made of an elastic material is connected to the extraction tool 12, and the other end of the leading strip 16 is formed in an annular shape. Moreover, in FIG. 6, the annular extraction tools 15a and 15b are provided in the both ends of the magnet 14, respectively. One extraction tool 15 a provided on the magnet 14 is connected to the other end portion of the leading strip 16 described above, and the magnet 14 is fixed to the other end portion of the leading strip 16 by a fixing tape 17.

  Although detailed description of the winding work when the magnet 14 shown in FIG. 6 is used is omitted, it is performed by the same work as in the second embodiment. Further, the magnet 14, the extraction tool 14 a, and the fixing tape 17 constitute a fixing tool.

  According to the third embodiment of the present invention, the guide tool 11 is provided at the tip of the main rope 4, the guide tool 11 and the magnet 14 are connected by the guide strip 16 made of an elastic material, and one end of the magnet 14 is connected. By having the extraction tool 15b, even when the leading strip 16 is used, the magnet 14 can be easily extracted from the advancing hole 10 using the rod 18. In this case, since it is not necessary to bring the guide 11 into close contact with the driving sheave 3, it is not particularly necessary to provide the guide 7 with the magnet 7.

  In the third embodiment, the leading strip 16 and the magnet 14 are connected as separate parts. However, even if the leading end of the leading strip 16 is provided with the magnet 14 having the extraction tool 15b, Similar effects can be obtained.

1 is a perspective view of a main rope hanging device for an elevator hoist according to Embodiment 1 of the present invention. It is a longitudinal cross-sectional view which shows the main rope winding operation | work which uses the main rope hanging apparatus of the elevator hoisting machine of FIG. It is a longitudinal cross-sectional view which shows the main rope winding operation | work which uses the main rope hanging apparatus of the elevator hoisting machine of FIG. It is a perspective view of the main rope hanging apparatus of the elevator hoisting machine in Embodiment 2 of this invention. It is a longitudinal cross-sectional view which shows the main rope winding operation | work which uses the main rope hanging apparatus of the elevator hoisting machine of FIG. It is a perspective view which shows the principal part of the main rope hanging apparatus of the elevator hoisting machine in Embodiment 3 of this invention. It is a figure which shows having fixed the principal part of FIG. 6 to the guide. It is a longitudinal cross-sectional view which shows the main rope winding operation | work which uses the principal part of FIG. It is a longitudinal cross-sectional view which shows the main rope winding operation | work which uses the principal part of FIG.

Explanation of symbols

1 Hoisting machine
2 Housing
3 Drive sheave
4 Main rope 5, 11 Guide
5a Confirmation hole
5b Mounting hole
6 Rope set bolt
7 Magnet
7a Curved surface
8 hands
9 Access hole
10 Advance hole 11a Mounting hole 11b Projection
12 Extractor
13 axes
14 Magnet 15a, 15b Extractor
16 Lead strip
17 Fixed tape
18 鉤

Claims (9)

  An elevator hoisting machine that is inserted through an entrance hole of an elevator hoisting machine and is taken out from an advancing hole of the elevator hoisting machine so that a main rope of the elevator is wound around a driving sheave provided inside the elevator hoisting machine An elevator hoisting machine comprising: a connecting means for connecting to the main rope; and a guide tool having a locking means inserted into the entry hole and locked to the drive sheave. Main rope hanger.   An elevator hoisting machine that is inserted through an entrance hole of an elevator hoisting machine and is taken out from an advancing hole of the elevator hoisting machine so that a main rope of the elevator is wound around a driving sheave provided inside the elevator hoisting machine In the main rope hanging device, a guide having coupling means for coupling to the main rope, locking means inserted from the entry hole and locked to the drive sheave, and extraction means for taking out from the advance hole The main hoisting device of an elevator hoisting machine characterized by comprising a tool.   An elevator hoisting machine that is inserted through an entrance hole of an elevator hoisting machine and is taken out from an advancing hole of the elevator hoisting machine so that a main rope of the elevator is wound around a driving sheave provided inside the elevator hoisting machine In the main rope hanging device, a guide tool having a connecting means for connecting to the main rope, a guide strip made of an elastic material having one end connected to the guide tool, and connected to the other end of the guide strip An elevator hoisting machine comprising: a fixing tool having locking means for locking to the driving sheave; and a take-out means that is provided in the fixing tool and takes out the fixing tool from the advance hole. Main rope hanger.   The main hoisting device for an elevator hoist according to any one of claims 1 to 3, wherein the locking means is a magnet.   The main hoisting device for an elevator hoisting machine according to claim 4, wherein the magnet has a curved surface that engages with an outer peripheral surface of the drive sheave.   The said connection means is provided in the said guide, and was provided with the attachment hole which inserts the said main rope, and the fixing means which fixes the said main rope inside this attachment hole. Item 6. The main hoisting device for an elevator hoisting machine according to any one of items 5.   The connecting means is provided in the guide, and is provided on a bottom side of the mounting hole from the fixing means, a mounting hole for inserting the main rope, a fixing means for pressing the main rope inside the mounting hole. The main hoisting device for an elevator hoisting machine according to any one of claims 1 to 5, further comprising a confirmation hole penetrating the mounting hole.   The take-out means is provided in the guide tool or the fixing tool having the locking means, and the pull-out tool inserted from the advance hole is locked to take out the guide tool or the fix tool from the advance hole. The main hoisting device for an elevator hoist according to any one of claims 2 to 7, further comprising a take-out portion.   A main rope locking step of inserting locking means to which one end of the main rope is connected from an entrance hole of the elevator hoisting machine, and locking the locking means to a drive sheave of the elevator hoisting machine; The main rope moving step of rotating the drive sheave to move the locking means to the advance hole of the elevator hoisting machine, and the take-out portion locked to the drive sheave inserted from the advance hole The main hoisting method of the elevator hoisting machine which performs the main rope taking-out process which takes out the main rope from the advance hole by locking the drawn out tool.

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