JP2000219453A - Elevator shaft device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an elevator shaft device facilitating drainage when an elevator shaft pit is flooded. SOLUTION: A drainage pump device 14 is provided at the bottom part of a pit 2 of an elevator shaft 1 provided with a landing 3 and a landing instrument 7 installed at a wall 6 of the landing 3. One end of a drain pipeline 22 is connected to the drainage pump device 14 to insert the drain pipeline 22 through a through opening part 12, opened in the wall 6 of the landing 3, of the mounting part of the landing instrument 7, and the other end is extended outside of the elevator shaft 1. Flood in the pit 2 of the elevator shaft is therefore drained outside of the elevator shaft 1 from the drain pipeline 22 by the action of the drainage pump device 14 to prevent the water damage of elevator equipment provided in the pit 2. Water damaged equipment repair cost and time are therefore dissolved, and the drain pipeline 22 can be easily arranged through the through opening part 12 to facilitate flood elimination of the pit 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hoistway device for an elevator in which a car moves up and down a hoistway provided with pits.

[0002]

2. Description of the Related Art FIGS. 11 and 12 show a conventional hoistway device of an elevator. FIG. 11 is a longitudinal sectional view of a main part, and FIG. 12 is a front view of a landing in FIG. In the figure, 1 is a hoistway, 2 is a pit provided at the lower end of the hoistway 1, 3 is a landing configured on the hoistway 1, a three-way frame 4 forming an entrance, a sliding door 5 for opening and closing the entrance, and a landing door 5. A hall device 7 such as a hall button and a hall position indicator provided on the wall 6 is provided.

[0003] Reference numeral 8 denotes a hoisting machine installed on the bottom surface 9 of the pit 2, which raises and lowers an elevator such as a car via a main rope (not shown). Reference numeral 10 denotes a shock absorber installed on the bottom surface 9 of the pit 2 and opposed to the car and the like, and reference numeral 11 denotes flooded water that has entered the pit 2 from the landing 3 through the gap between the sliding door 5 and the like in the event of flooding or the like.

With respect to the elevator hoistway device constructed as described above, in many cases, a rain break in a building (not shown) has not been completed during the installation work of the elevator. Inundation 11 may occur in pit 2 of road 1. Then, it is conceivable that the flooding 11 causes water damage to devices such as the hoisting machine 8 and the shock absorber 10 installed in the pit 2.

[0005]

The pit 2 of the hoistway 1 in the elevator hoistway apparatus as described above is flooded with water 1
When the first occurs, it takes a great deal of money and time to repair the damaged equipment. Further, when draining the flooded water 11 in the pit 2, there is no place to draw the drain hose from the pit 2 to the landing 3, and there is a problem that it takes time to drain the water.

An object of the present invention is to solve such a problem, and an object of the present invention is to provide a hoistway device for an elevator which can easily drain water when the shaft pit is flooded.

[0007]

In the elevator hoistway apparatus according to the present invention, a hoistway having a hall and a hall device provided on a wall of the hall, and a drainage pump provided at a bottom of a pit of the hoistway are provided. An apparatus and a drainage pipe, one end of which is connected to a drainage pump apparatus, is inserted through a through-opening of a hall wall of the hall mounting part, and the other end is arranged outside the hoistway.

In the elevator hoistway apparatus according to the present invention, a drain pipe is provided which is inserted into a box of a landing appliance mounted on a through opening of the landing wall.

In the elevator hoistway apparatus according to the present invention, the drainage pipe inserted between the box of the hall equipment mounted on the through-opening of the hall wall and the edge of the through-opening is provided. Provided.

In the elevator hoistway apparatus according to the present invention, a roundness is provided inside the hoistway at the edge of the through opening through which the drainage pipe is inserted.

In the elevator hoistway apparatus according to the present invention, a connector provided at the landing side end of the drainage pipe and disposed in the through-opening portion, and a connector connected to the drainage pipe when necessary. And an external drainage hose connected thereto.

Further, in the elevator hoistway device according to the present invention, there is provided a hoistway provided with a landing and a three-way frame forming an entrance of the landing, and a drainage pump device provided at the bottom of the pit of the hoistway. One end is connected to a drainage pump device and is inserted through a through opening provided in the three-way frame, and the other end is provided with a drainage pipe arranged outside the hoistway.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 1 to 4 show an example of an embodiment of the present invention. FIG. 1 is a longitudinal sectional view of a main part, FIG. 2 is an enlarged view of a portion A in FIG. 1, and FIG. FIG. 4 is an electrical circuit diagram of the hoistway device of FIG. In the figure, 1 is a hoistway, 2 is a pit provided at the lower end of the hoistway 1, and 3 is a landing configured on the hoistway 1.
Equipped with a three-way frame 4 forming an entrance, a sliding door 5 for opening and closing the entrance, a through opening 12 provided in a hall wall 6, a landing button provided in the through opening 12, and a landing device 7 such as a landing position indicator. Have been.

Reference numeral 8 denotes a hoisting machine installed on the bottom surface 9 of the pit 2, which raises and lowers an elevator such as a car through a main rope (not shown). Reference numeral 10 denotes a shock absorber installed on the bottom surface 9 of the pit 2 and arranged opposite to the car, 13 denotes a base plate installed on the bottom surface 9 of the pit 2, and 14 denotes a drainage pump device provided on the base plate 13. , An electric motor 15 and a pump 16 driven by the electric motor 15.

Reference numeral 17 denotes a float switch provided on the base plate 13, reference numeral 18 denotes a box body of the landing equipment 7, reference numeral 19 denotes a front plate of the landing equipment 7 disposed so as to cover the box body 18 and the through opening 12.
Reference numeral 0 denotes a push button provided on the front plate 19, and reference numeral 21 denotes a lead wire of the push button 20. Reference numeral 22 denotes a drainage pipe formed of a drainage hose, one end of which is connected to the drainage pump
The other end is disposed outside the hoistway 1 while being inserted through the through-opening 12 of the wall 6 of the landing 3 of the mounting portion and through the box 18.

Reference numeral 23 denotes a drain hose fitting for the drain pipe 22, and reference numeral 24 denotes a drain hose duct of the drain pipe 22. In FIG. 4, 25 is an outlet of a circuit constituted by the float switch 17 and the electric motor 15 of the drain pump device 14, 26 is a power source connected via the outlet 25, 27 is a drain pump device 14 on the base plate 13, This is a drain unit provided with a float switch 17 and an outlet 25.

In the elevator hoistway apparatus as described above, during the installation work of the elevator, the front plate 19 of the hall equipment 7 is arranged so as to be raised from the wall 6 by the temporarily provided metal fittings 18a as shown in FIG. You. In addition, when a flood such as a typhoon is expected to occur during the installation work of the elevator, a drain unit 27 is installed on the bottom surface 9 of the pit 2 and a power supply 26 is connected to an outlet 25. And
One end of the drainage pipe 22 is connected to the pump 16, and the intermediate portion is inserted into the box 18 of the landing device 7, and the other end is extended outside the hoistway 1, that is, at a suitable position in the hall of the landing 3.

In this state, when water enters the pit 2 from the landing 3 through the gap between the landing 3 and the sliding door 5 due to the occurrence of flood damage, the float switch 17 is operated and the drain pump device 14 is energized. Thereby, the water in the pit 2 is drained out of the hoistway 1, so that it is possible to prevent water damage to the equipment provided in the pit 2 such as the hoist 8.

Therefore, it is possible to eliminate the cost and trouble for repairing the water damaged equipment. In addition, drainage pipe 22,
That is, since the drain hose can be easily arranged at a required place, the water in the pit 2 can be drained out of the hoistway 1 without difficulty. When drainage of the pit 2 to the outside of the hoistway 1 is completed, the float switch 17 is deactivated and the drainage pump device 14 is deenergized.

Embodiment 2 FIG. 5 is a view showing an example of another embodiment of the present invention, and is equivalent to FIG. 2 described above.
Except for FIG. 5, an elevator hoistway device is configured similarly to the above-described embodiment of FIGS. In the drawings, the same reference numerals as those in FIGS. 1 to 4 denote corresponding parts, and reference numeral 28 denotes a connector, which is a drainage pipe 2 opened in the box 18 of the landing appliance 7.
2 at the end. Reference numeral 29 denotes an external drain hose connected to the end of the drain pipe 22 via a connector 28 when necessary.

In the elevator hoistway apparatus as described above, at least the drainage pipe 22 and the connecting device 28 are permanently provided during the installation work. When the occurrence of flood damage is expected, the same treatment as in the above-described embodiment of FIGS. 1 to 4 is taken, and the external drain hose 29 is connected to the connecting tool 28 in the box 18 of the landing appliance 7. You. As a result, pit 2
Is drained out of the hoistway 1. Therefore, although detailed description is omitted, the same operation as the embodiment of FIGS. 1 to 4 can be obtained in the embodiment of FIG. For this reason, the trouble at the time of flood damage measures can be saved. In addition, the drain unit 27, the drain passage 22, and the connecting member 28 can be kept ready even after the normal operation starts after the completion of the elevator so as to be prepared for flood damage.

Embodiment 3 FIG. FIG. 6 also shows an example of another embodiment of the present invention, and corresponds to FIG. 2 described above.
Except for FIG. 6, an elevator hoistway device is configured similarly to the above-described embodiment of FIGS. In the figures, the same reference numerals as those in FIGS. 1 to 4 denote corresponding parts, and 30 is a link-type support mechanism, one side of which is mounted on the upper inside surface of the box 18 of the hall equipment 7, and the other side is a table of the hall equipment 7. The front plate 19 is attached to the upper portion of the back surface of the plate 19, and normally keeps the front plate 19 at a position covering the opening of the box 18, and holds the front plate 19 in an upwardly rotated state as shown in FIG.

In the elevator hoistway device as described above, and when flood damage is expected,
Is disposed at a position rotated upward as shown in FIG. 6, and the same treatment as in the embodiment of FIGS. 1 to 4 is performed. Thereby, the flood of the pit 2 is drained out of the hoistway 1.
Accordingly, although detailed description is omitted, the same operation as the embodiment of FIGS. 1 to 4 can be obtained in the embodiment of FIG.

Embodiment 4 FIG. 7 is also a diagram showing an example of another embodiment of the present invention, and is a diagram corresponding to FIG. 2 described above.
In addition, other than FIG. 7, the hoistway device of the elevator is comprised like the above-mentioned embodiment of FIGS. 1-4. In the drawings, the same reference numerals as those in FIGS. 1 to 4 denote corresponding parts, and 12 is a through opening, the lower edge of which is extended below the lower end of the box 18, and the lower edge of which is inside the hoistway 1. Is provided with a roundness 31. Reference numeral 22 denotes a drainage pipe composed of a drainage hose, which is inserted between the lower end of the box 18 and the lower edge of the through opening 12.

In the above-described elevator hoistway apparatus, when the occurrence of flood damage is expected, the same treatment as in the above-described embodiment of FIGS. 1 to 4 is taken. This allows
The water in the pit 2 is drained out of the hoistway 1. Therefore, although detailed description is omitted, the same operation as the embodiment of FIGS. 1 to 4 can be obtained in the embodiment of FIG. In addition, since the roundness 31 is provided inside the hoistway 1 at the lower edge of the through opening 12, the drainage pipe 22 is smoothly curved to obtain a good drainage action.

Embodiment 5 FIG. 8 is also a diagram showing an example of another embodiment of the present invention, which is equivalent to FIG. 1 described above.
In addition, other than FIG. 8, the hoistway device of the elevator is comprised similarly to the above-mentioned embodiment of FIGS. In the drawings, the same reference numerals as those in FIGS. 1 to 4 denote corresponding parts, and reference numeral 12 denotes a through opening, the lower edge of which extends below the lower end of the box 18. Reference numeral 22 denotes a drainage pipe, one end of which is open between the lower end of the box 18 and the lower edge of the through-opening 12, and a connector 28 is provided in this opening. Reference numeral 29 denotes an external drain hose connected to the end of the drain pipe 22 via a connector 28 when necessary.

In the elevator hoistway apparatus as described above, the drain unit 27 and the drain pipe 22 are installed during the installation work.
And a connection tool 28 are permanently provided. When the occurrence of flood damage is expected, the same treatment as in the above-described embodiment of FIGS. 1 to 4 is performed, and the external drain hose 29 is connected to the connecting member 28 of the drain pipe 22. Thereby, the flood of the pit 2 is drained out of the hoistway 1.

Therefore, although detailed description is omitted, FIG.
In this embodiment, the same operation as in the embodiment shown in FIGS. 1 to 4 can be obtained. In the embodiment of FIG. 8,
Since the drainage unit 27, the drainage pipe 22, and the connection tool 28 are permanently provided, the countermeasure is completed only by connecting the external drainage hose 29 when a flood is expected. For this reason, the trouble at the time of flood damage measures can be omitted. Also,
The drainage unit 27, the drainage pipe 22, and the connector 28 may be kept ready even after normal operation starts after completion of the elevator to prepare for flood damage.

Embodiment 6 FIG. 9 and 10 also show an example of another embodiment of the present invention. FIG. 9 is a front view of an elevator hall, and FIG. 10 is an enlarged sectional view taken along line BB of FIG. 9 and 10 are the same as those in FIGS.
An elevator shaft device of an elevator is configured similarly to the embodiment. In the drawings, the same reference numerals as in FIGS. 1 to 4 denote corresponding parts, and reference numeral 32 denotes a through opening, which is provided near the lower end of the side frame of the three-sided frame 4. Reference numeral 33 denotes a lid for closing the through-opening 32, which is shown in a detached state in FIG. 10. The elastic leg 34 is provided on the back surface, and is detachably attached to the edge of the through-opening 32.

In the above-described elevator hoistway apparatus, when a flood is expected to occur, the same measures as in the above-described embodiment of FIGS. 1 to 4 are taken. That is, the lid 33 is removed, the drainage pipe 22 is extended to the outside of the hoistway 1 via the through-opening 32, that is, to a proper place in the hall of the landing 3, and the flooding of the pit 2 is drained out of the hoistway 1. Therefore, although detailed description is omitted, the embodiment of FIGS.

[0031]

As described above, the present invention provides a hoistway having a landing and a landing device provided on a wall of the landing, a drain pump device provided at the bottom of the pit of the hoistway, and a drain pump at one end. A drain pipe is connected to the device, inserted through a through-opening in the hall wall of the hall equipment mounting part, and has the other end disposed outside the hoistway.

Accordingly, when water enters the pits of the hoistway due to flooding or the like, the water in the pits is drained from the drainage pipe to the outside of the hoistway by the operation of the drainage pump device. Thus, it is possible to prevent the occurrence of water damage in the elevator equipment provided in the pit. Therefore, it is possible to eliminate the cost and trouble for repairing the water-damaged equipment, and it is possible to easily arrange the drainage pipe in a required place by the through-opening, thereby facilitating the pit inundation removal. There is.

Further, as described above, the present invention is provided with a drainage pipe inserted into a box of a landing appliance provided in a through opening of a landing wall.

Thus, when water enters the pits of the hoistway due to flooding or the like, the water in the pits is drained out of the hoistway from the drainage pipe inserted through the box of the landing equipment by the operation of the drainage pump device. . Thus, it is possible to prevent the occurrence of water damage in the elevator equipment provided in the pit. Therefore, it is possible to eliminate the cost and trouble for repairing the water-damaged equipment, and it is possible to easily arrange the drainage pipe in a required place by the through-opening, thereby facilitating the pit inundation removal. There is.

As described above, according to the present invention, the drainage pipe is provided between the outer surface of the hall equipment box provided in the through-opening of the hall wall and the edge of the through-opening. Things.

Thus, when water enters the pits of the hoistway due to flooding or the like, the water in the pits is drained by the operation of the drainage pump device between the outer surface of the landing equipment box and the edge of the through opening. Drained from the pipeline to the outside of the hoistway.
Thus, it is possible to prevent the occurrence of water damage in the elevator equipment provided in the pit. For this reason, it is possible to eliminate the cost and trouble for repairing the flood damage equipment,
Further, the drainage pipe can be easily arranged at a required place by the through-opening portion, and there is an effect that the pit is easily eliminated from being flooded.

Further, as described above, the present invention is provided with a rounded inside of the hoistway at the edge of the through opening through which the drainage pipe is inserted.

Thus, when water enters the pits of the hoistway due to flooding or the like, the water in the pits is drained by the operation of the drainage pump device and the drainage water penetrated between the outer surface of the landing equipment box and the edge of the through opening. Drained from the pipeline to the outside of the hoistway.
Thus, it is possible to prevent the occurrence of water damage in the elevator equipment provided in the pit. For this reason, it is possible to eliminate the cost and trouble for repairing the flood damage equipment,
Further, the drainage pipe can be easily arranged at a required place by the through-opening portion, and there is an effect that the pit is easily eliminated from being flooded. In addition, since the through-opening is provided with a rounded edge at the edge corresponding to the drainage pipe, the drainage pipe is smoothly curved and has an effect of obtaining a good drainage action.

Further, as described above, the present invention connects the drainage pipe with the connector provided at the landing side end of the drainage pipe and disposed in the through-opening, and connects to the drainage pipe when necessary via the connector. And an external drain hose.

Thus, when water enters the pits of the hoistway due to flood damage or the like, the water in the pits rises and falls from the drainage pipe and the external drainage hose connected to the drainage pipe via the fitting by the operation of the drainage pump device. Drained off the road. Thus, it is possible to prevent the occurrence of water damage in the elevator equipment provided in the pit. Therefore, it is possible to eliminate the cost and trouble for repairing the water-damaged equipment, and it is possible to easily arrange the drainage pipe at a required place by the through-opening portion, thereby facilitating the pit inundation elimination.

Further, as described above, the present invention relates to a hoistway provided with a landing and a three-way frame forming an entrance and exit of the landing, a drainage pump device provided at the bottom of the pit of the hoistway, This is provided with a drainage pipe connected to a drainage pump device, inserted through a through-opening provided in a three-way frame, and having the other end disposed outside the hoistway.

Thus, when water enters the pits of the hoistway due to flood damage, etc., the operation of the drainage pump device causes the flooding of the pits to pass from the drainage pipe inserted through the through-opening provided in the three-way frame to the outside of the hoistway. Drained to This allows
It is possible to prevent the occurrence of water damage in the elevator equipment provided in the pit. Therefore, it is possible to eliminate the cost and trouble for repairing the water-damaged equipment, and it is possible to easily arrange the drainage pipe in a required place by the through-opening, thereby facilitating the pit inundation removal. There is.

[Brief description of the drawings]

FIG. 1 is a view showing a first embodiment of the present invention, and is a longitudinal sectional view of a main part.

FIG. 2 is an enlarged view of a portion A in FIG.

FIG. 3 is a side view of the inside of the hoistway of FIG. 1;

FIG. 4 is an electric circuit diagram of the hoistway device shown in FIG. 1;

FIG. 5 is a view showing a second embodiment of the present invention and is a view corresponding to FIG. 2 described above.

FIG. 6 is a view showing a third embodiment of the present invention, and is a view corresponding to FIG. 2 described above.

FIG. 7 is a view showing a fourth embodiment of the present invention, and is a view corresponding to FIG. 2 described above.

FIG. 8 is a view showing a fifth embodiment of the present invention, and is a view corresponding to FIG. 1 described above.

FIG. 9 shows the sixth embodiment of the present invention, and is a front view of a landing.

FIG. 10 is an enlarged cross-sectional view taken along the line BB of FIG. 9;

FIG. 11 is a vertical sectional view of a main part showing a conventional hoistway device of an elevator.

FIG. 12 is a front view of the landing of FIG. 11;

[Explanation of symbols]

1 hoistway, 2 pits, 3 landings, 4 frames, 6
Wall, 7 landing equipment, 12 through opening, 14 drainage pump device, 18 box, 22 drainage line, 28 fittings, 2
9 External drain hose, 31 round, 32 through opening.

Claims (6)

[Claims] 1. A hoistway having a landing and a landing device provided on a wall of the landing, a drainage pump device provided at a bottom of a pit of the hoistway, and one end of the landing device connected to the drainage pump device. A hoistway device for an elevator, comprising: a drainage pipe inserted through a through-opening of the wall of the mounting portion and the other end disposed outside the hoistway. 2. The elevator hoistway device according to claim 1, wherein the drainage pipe is disposed by inserting a box of a landing appliance provided in a through opening of the landing wall. 3. The drainage pipe is disposed so as to pass through a space between a box body of a landing appliance provided in a through-opening of a landing wall and an edge of the through-opening. An elevator hoistway device as described. 4. A roundness is provided inside the hoistway at the edge of the through opening through which the drainage pipe is inserted.
An elevator hoistway device as described. 5. A drain provided at a landing-side end of a drain pipe and disposed in a through opening, and an external drain hose connected to the drain pipe via the connector when necessary. The elevator hoistway device according to any one of claims 1 to 3, wherein 6. A hoistway provided with a landing and a three-way frame forming an entrance and exit of the landing, a drainage pump device provided at the bottom of a pit of the hoistway, and one end connected to the drainage pump device. A hoistway device for an elevator, comprising: a drainage pipe inserted through a through opening provided in a three-way frame and the other end disposed outside the hoistway.