JP2002362851A - Method of hanging cable of elevator hoist - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a method of hanging a cable of an elevator hoist for hanging a hoist cable in a U-shape on a drive sheave built in the housing of the hoist with a simple operation. SOLUTION: The hoist 2 has the housing 3 with an entrance hole 11 and an exit hole 12 of the hoist cable 6 formed on the same side and the drive sheave 5 mounted inside the housing 3. A leader cable inserting process and a hoist cable winding/hanging process are performed for the hoist 2. In the leader cable inserting process, a leader cable 14 is forced into the housing 3 from the entrance hole 11, elastically deformed along the inner face 13 of the housing 3, and moved from the exit hole 12. In the hoist cable winding/hanging process, the leader cable 14 is pulled out of the exit hole 12 and the hoist cable 6 is wound and hung on the drive sheave 5. As a result, the hoist cable 6 with high rigidity can be easily inserted into the housing 3, so that the hoist cable 6 can be wound and hung on the drive sheave 5 inside the housing 3 with a simple operation.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator hoist in which a main rope is wound around a drive sheave provided in a housing of a hoist through an entrance hole and an exit hole arranged on the same side of the housing. It relates to the method of towing the machine.

[0002]

2. Description of the Related Art FIG. 11 is a longitudinal sectional view of a main part of an elevator shaft showing a state in which main ropes are stretched. In the figure, reference numeral 1 denotes a hoistway of an elevator, and 2 denotes a hoisting machine installed at a lower portion of the hoistway 1, which is arranged in the housing 3, and both ends of which are pivoted by the housing 3 and an electric motor (not shown). And a drive sheave 5 arranged in the housing 3 and fixed to the shaft 4. 6 is a drive sheave 5 which is inserted through the housing 3
The main rope of the elevator wound around.

FIG. 12 is a perspective view of a portion of a hoisting machine at a lower portion of an elevator hoistway, which shows another main rope being stretched. In the figure, reference numeral 7 denotes a hoisting machine installed at the lower part of the hoistway 1, a housing 8, a shaft 9 pivotally supported by the housing 8, and fixed to a projecting end of the shaft 9 and driven. A sheave 10 is provided. Reference numeral 6 denotes a main rope of the elevator wound around the drive sheave 10.

The main rope 6 is bent in a U-shape and wound around the drive sheave 5 or the drive sheave 10 of the hoist arranged as described above. As for the drive sheave 10 of the hoisting machine 7 having the configuration shown in FIG. 12 described above, since the drive sheave 10 is arranged so as to protrude from the housing 8, the main rope 6 can be bent and easily wound. it can.

[0005]

However, as shown in FIG.
The drive sheave 5 of the hoisting machine 2 having the structure shown in FIG. 1 is fixed to a shaft 4 which is disposed in the housing 3 and has both ends pivoted. For this reason, it is impossible to insert the main rope 6 of the highly rigid elevator into the housing 3 and bend and hang it in a U-shape, that is, it is impossible to bend and wrap the drive sheave 5 in a U-shape. There is a problem that it is difficult to wind the main rope 6 around the drive sheave 5 through an insertion hole (not shown) provided in the drive sheave 5.

The present invention has been made in order to solve such a problem, and an elevator winding for winding a main rope by a simple operation around a drive sheave provided in a housing of a hoisting machine. The purpose is to obtain a tethering method for the upper machine.

[0007]

SUMMARY OF THE INVENTION In the method of tethering an elevator hoist according to the present invention, an entrance hole and an exit hole of an elevator main rope are formed on the same side and an entrance hole and an exit hole of the main rope. For the hoisting machine equipped with a drive sheave inside the housing, the rear end of the leading strip made of an elastic material is connected to the tip of the main rope, and the tip of the leading strip is inserted through the entry hole. A leading-strip insertion step of pushing the housing into the housing and elastically deforming it along the inner surface of the housing to move the leading-strip into the exit hole, and pulling the leading strip from the exit hole and winding the main rope around the drive sheave. A hanging process is performed.

[0008] In the method of tying an elevator hoist according to the present invention, a guide plate is attached to an inner surface formed along a rim surface of a drive sheave in a housing of the hoist to lead the elevator. The insertion movement of the strip is guided.

Further, in the method of tying the elevator hoist according to the present invention, the space between the entrance hole and the exit hole in the housing and the housing in which the entrance hole and the exit hole of the elevator main rope are formed on the same side. For the hoist equipped with a drive sheave to be hung in the housing, the rear end of the leading strip made of an elastic material is connected to the tip of the main rope, and locking means provided at the tip of the leading strip is provided. A leading-strip body moving step of locking the driving sheave and rotating the driving sheave to move the leading strip to the exit hole, and pulling out the leading strip from the exit hole and winding the main rope around the driving sheave. A winding step is performed.

Further, in the method of tying the elevator hoist according to the present invention, when the linear material is knitted in a net shape and has a cylindrical shape, when the tension acts in the longitudinal direction, the diameter of the cylindrical shape is reduced and the main rope is reduced. The leading strip connected to the main cable is inserted into the housing by the connecting tool for gripping.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 1 to 5 show an example of an embodiment of the present invention. FIG. 1 is a front view of a hoist, FIG. 2 is a longitudinal sectional view of a main part of FIG. 1, and FIG. 3 is a hoist of FIG. Perspective view of a leading strip used for a tethering operation in the machine,
FIG. 4 is an exploded perspective view showing a connecting tool for connecting the leading strip of FIG. 3 to the main rope, and FIG. 5 is a diagram corresponding to FIG. In addition, the hoist shown in FIG. 1 is installed in the hoistway of the elevator similarly to FIG. 11 described above.

In FIG. 1, reference numeral 2 denotes a hoisting machine installed at a lower portion of the hoistway 1. The hoisting machine is disposed in the housing 3, and both ends are pivotally supported by the housing 3 and driven by an electric motor (not shown). A shaft 4, a drive sheave 5 disposed in the housing 3 and fixed to the shaft 4, and an entry hole 11 provided in the housing 3 and disposed at a position facing one side of a rim of the drive sheave 5; An exit hole 12 provided in the housing 3 and arranged at a position facing the other side of the rim of the drive sheave 5 and an inner surface 13 provided in the housing 3 and formed along the rim surface of the drive sheave 5. Are located.

Reference numeral 6 denotes a drive sheave 5 inserted through the housing 3.
The main rope 14 of the elevator wound around is a leading strip made of an elastic material such as a thin metal plate or a synthetic resin plate in the form of a flat strip, and the connecting member 15 is a connecting member consisting of two members as shown in FIG. The two members are fastened by the attached screws, the main rope 6 is held by one side, and the rear end of the leading strip 14 is fastened to the other side by another fastening screw.

The hoisting machine 2 constructed as described above is subjected to a rope work of the main rope 6 as described below. That is, the rear end of the leading strip 14 and the front end of the main rope 6 are connected to the connecting tool 1.
5 connected. Then, the leading end of the leading strip 14 is pushed into the housing 3 from the entrance hole 11, and A shown in FIG.
The leading strip 14 is elastically deformed along the inner surface 13 in the housing 3 as shown in FIG. Next, as shown in a state B in FIG. 5, a leading strip insertion step of pushing out the leading end of the leading strip 14 from the exit hole 12 is performed.

Next, in the state of B shown in FIG. 5, the leading rope is pulled out from the exit hole 12, and a main rope winding step of winding the main rope 6 around the rope groove of the driving sheave 5 is performed. By such a method of tying the hoist 2, the main rope 6 having high rigidity is provided.
Can be easily inserted into the housing 3, and the main rope 6 can be wound around the drive sheave 5 in the housing 3 by a simple operation. Thereby, it is possible to reduce the work cost when the main cable 6 is stretched when the elevator is installed and when the main cable 6 is replaced.

Embodiment 2 FIG. 6 is a view showing an example of another embodiment of the present invention, and is a view corresponding to FIG. 3 described above.
Note that other than FIG. 6, a hoisting machine and the like are formed in the same manner as in the embodiment of FIGS. 1 to 5 described above. In the figures, FIGS.
The same reference numerals indicate the corresponding parts, 16 is a rod-shaped metal material,
This is a leading strip made of an elastic material such as a synthetic resin material.

Then, the same operation as that of the embodiment shown in FIGS.
Is wound around the rope groove of the drive sheave 5. Therefore, although detailed description is omitted, FIGS.
The same operation as the embodiment of FIG. 5 can be obtained.

Embodiment 3 FIG. 7 is also a diagram showing an example of another embodiment of the present invention, and is a diagram corresponding to FIG. 5 described above.
Note that other than FIG. 7, a hoist, a leading strip, and the like are formed in the same manner as in the embodiment of FIGS. 1 to 5 described above. In the figure,
1 to 5 denote corresponding parts, and 17 is a guide plate made of a low-friction material such as a synthetic resin material. The guide plate 17 is formed on the inner surface 13 formed along the rim surface of the drive sheave 5 in the housing 3. Has been adhered.

Then, the same operation as that of the embodiment shown in FIGS.
Is wound around the rope groove of the drive sheave 5. Therefore, although detailed description is omitted, FIGS.
The same operation as the embodiment of FIG. 5 can be obtained. Further, since the guide plate 17 is provided, the leading strip 14 can be pushed into the housing 3 with low sliding resistance. For this reason, the main rope 6 can be easily wound around the drive sheave 5, and the work cost when the main rope 6 is stretched when the elevator is installed or when the main rope 6 is replaced can be reduced.

Embodiment 4 FIG. 8 is also a diagram showing an example of another embodiment of the present invention, and is equivalent to FIG. 5 described above.
Note that other than FIG. 8, a hoist, a leading strip, and the like are formed in the same manner as in the embodiment of FIGS. 1 to 5 described above. In the figure,
The same reference numerals as those in FIGS. 1 to 5 denote corresponding parts, and reference numeral 18 denotes locking means formed of a magnet mounted on the leading end of the leading strip 14.

Then, in the above-described leading strip insertion step,
The leading end of the leading strip 14 is inserted into the housing 3 through the entry hole 11, and the locking means 18 at the leading end of the leading strip 14 is attracted to the drive sheave 5, and in this state, the hoist 2 is manually operated. The drive sheave 5 is rotated. As a result, the leading strip 14 is wound around the drive sheave 5 through the state C shown in FIG. 8 as shown in FIG. 8D.

Next, the leading end of the leading strip 14 is pulled out from the exit hole 12, and the above-described main rope winding step is performed. Therefore, although detailed description is omitted, the same operation as the embodiment of FIGS. 1 to 5 can be obtained in the embodiment of FIG.

Embodiment 5 FIG. 9 is also a diagram showing an example of another embodiment of the present invention, and is a diagram corresponding to FIG. 5 described above.
Note that other than FIG. 9, a hoist, a leading strip, and the like are formed in the same manner as in the embodiment of FIGS. 1 to 5 described above. In the figure,
The same reference numerals as those in FIGS. 1 to 5 denote corresponding parts. Reference numeral 19 denotes a pin erected at the tip of the leading strip 14 and is fitted into a fitting hole 20 provided in the drive sheave 5 when necessary. Reference numeral 21 denotes a pin, which is a locking means constituted by the 19 and the fitting hole 20.

The embodiment of FIG. 9 has a configuration in which the locking means 18 in the embodiment of FIG. 8 is replaced by a locking means 21 comprising a pin 19 and a fitting hole 20. The main rope 6 can be wound around the drive sheave 5 by a similar operation. Accordingly, although detailed description is omitted, the same operation as the embodiment of FIGS. 1 to 5 can be obtained in the embodiment of FIG.

Embodiment 6 FIG. FIG. 10 is also a view showing an example of another embodiment of the present invention, and is a view showing a situation where a leading strip is connected to a main rope. 10 are the same as those shown in FIGS.
A hoist, a leading strip and the like are formed in the same manner as in the embodiment. In the figures, the same reference numerals as those in FIGS. 1 to 5 denote corresponding parts, and 22 is a connecting tool, which is formed by knitting an appropriate linear material in a net shape, has a cylindrical shape, and has one longitudinal end fitted to the main rope 6. Although not shown, the rear end of the leading strip 14 is connected to the end, and when tension is applied in the longitudinal direction, the diameter of the cylindrical shape is reduced and the main rope 6 is gripped.

Then, using the leading strip 14 connected to the tip of the main rope 6 by the connecting tool 22, the above-described FIGS.
The same operation as that of the embodiment is performed, and the main rope 6 is wound around the rope groove of the drive sheave 5. Therefore, although detailed description is omitted, the same operation as the embodiment of FIGS. 1 to 5 can be obtained in the embodiment of FIG.

[0027]

As described above, the present invention provides a housing in which an entrance hole and an exit hole of an elevator main rope are formed on the same side and a drive sheave around which the entrance hole and the exit hole of the main rope are wound. For the hoisting machine installed in the housing, connect the rear end of the leading strip made of elastic material to the tip of the main rope, push the tip of the leading strip into the housing from the entry hole, and resilient along the inner surface of the housing. A leading strip body insertion step of deforming and moving the leading strip body into the exit hole, and a main rope winding step of pulling out the leading strip body from the exit hole and winding the main rope around the drive sheave are performed.

According to such a method of tying the main rope to the hoist, a highly rigid main rope can be easily inserted into the housing, and the main rope can be wound around the drive sheave in the housing by a simple operation. it can. This has the effect of reducing the work cost when the main cable is stretched when the elevator is installed and when the main cable is replaced.

Further, as described above, according to the present invention, the guide plate is attached to the inner surface formed along the rim surface of the drive sheave in the housing of the hoist, and the leading strip is inserted and moved. It is for guiding.

According to such a method of tying the main rope to the hoist, a highly rigid main rope can be easily inserted into the housing through the guide of the leading strip by the guide plate, and the driving in the housing can be easily performed. The main rope can be wound around the sheave. This has the effect of reducing the work cost when the main cable is stretched when the elevator is installed and when the main cable is replaced.

Further, as described above, the present invention provides a housing in which an entrance hole and an exit hole of an elevator main rope are formed on the same side, and a drive sheave around which the entrance hole and the exit hole of the main rope are wound. For the hoisting machine installed in the housing, the rear end of the leading strip made of an elastic material is connected to the tip of the main rope, and the locking means provided at the tip of the leading strip is locked to the drive sheave. A leading strip moving step of rotating the driving sheave to move the leading strip to the exit hole, and a main rope winding step of pulling the leading strip from the exit hole and winding the main rope around the driving sheave are performed. Things.

According to such a method of hooking the main rope with respect to the hoist, a highly rigid main rope can be easily inserted into the housing, and the main rope can be U-shaped on the drive sheave in the housing by a simple operation. Can be. This has the effect of reducing the work cost when the main cable is stretched when the elevator is installed and when the main cable is replaced.

Further, as described above, according to the present invention, when the linear material is knitted in a net shape and has a cylindrical shape, and when tension is applied in the longitudinal direction, the diameter of the cylindrical shape is reduced and the connecting member for gripping the main rope is provided. The leading strip connected to the main rope is inserted into the housing.

According to such a method of tying the main rope to the hoist, a high rigidity can be obtained through a leading strip connected to the main rope by a connecting member having a tubular shape formed by knitting a linear material into a net shape. The main rope can be easily inserted into the housing, and the main rope can be hooked on the drive sheave in the housing by a simple operation. This has the effect of reducing the work cost when the main cable is stretched when the elevator is installed and when the main cable is replaced.

[Brief description of the drawings]

FIG. 1 is a view showing Embodiment 1 of the present invention, and is a front view of a hoist.

FIG. 2 is a longitudinal sectional view of a main part of FIG. 1;

FIG. 3 is a perspective view of a leading strip used in a work of tying a main rope in the hoist of FIG. 1;

FIG. 4 is an exploded perspective view showing a connecting tool for connecting the leading strip to the main rope in FIG. 3;

FIG. 5 is a diagram corresponding to FIG. 2 for explaining a rope strapping operation in the hoist of FIG. 1;

FIG. 6 is a view showing a second embodiment of the present invention, and is a view corresponding to FIG. 3 described above.

FIG. 7 is a view showing a third embodiment of the present invention, and is a view corresponding to FIG. 5 described above.

FIG. 8 is a view showing a fourth embodiment of the present invention, and is a view corresponding to FIG. 5 described above.

FIG. 9 is a view showing a fifth embodiment of the present invention, and is a view corresponding to FIG. 5 described above.

FIG. 10 is a view showing the sixth embodiment of the present invention, showing a situation where a leading strip is connected to the main rope.

FIG. 11 is a longitudinal sectional view of a main part of an elevator hoistway showing a state where main ropes are stretched.

FIG. 12 is a perspective view of a portion of a hoisting machine at a lower portion of an elevator shaft, showing a state where another main rope is stretched.

[Explanation of symbols]

2 hoisting machine, 3 housing, 5 drive sheave,
6 main ropes, 11 entrance holes, 12 exit holes,
13 inner surface, 14 leading strip, 17 guide plate, 18 locking means, 22 coupler.

 ────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kenji Inoue 2-3-2 Marunouchi, Chiyoda-ku, Tokyo F-term (reference) 3F305 BA03 BB02 BB19 DA07 DA11

Claims (4)

[Claims] 1. A winding having a housing in which an entrance hole and an exit hole of an elevator main rope are formed on the same side, and a drive sheave in which the space between the entrance hole and the exit hole of the main rope is wound in the housing. For the upper machine, the rear end of the leading strip made of an elastic material is connected to the tip of the main rope, and the tip of the leading strip is pushed into the housing from the entrance hole, and elastically deforms along the inner surface of the housing. A leading-strip insertion step of moving the leading strip into the exit hole, and a main-strap winding step of pulling the leading strip from the exit hole and winding the main rope around the drive sheave. How to hoist the elevator hoist. 2. A guide plate is attached to an inner surface formed along a rim surface of a drive sheave in a housing of a hoist, and guide movement of a leading strip is guided. Item 4. A method of tying the elevator hoist according to Item 1. 3. A winding having a housing in which an entrance hole and an exit hole of an elevator main rope are formed on the same side, and a drive sheave provided around the entrance hole and the exit hole in the main rope, the housing being equipped with a drive sheave. For the upper machine, the rear end of the leading strip made of an elastic material is connected to the tip of the main rope, and the locking means provided at the tip of the leading strip is locked to the drive sheave, A leading strip moving step of rotating a driving sheave to move the leading strip to the exit hole; and a main rope winding pulling out the leading strip from the exit hole and winding the main rope around the driving sheave. A method of tying an elevator hoist that performs a hanging process. 4. When the linear material is knitted in a net-like shape and has a tubular shape and a tension is applied in a longitudinal direction, the diameter of the tubular shape is reduced, and the wire is connected to the main rope by a connector for gripping the main rope. The method according to any one of claims 1 to 3, wherein the leading strip is inserted into the housing.