JP2001192186A - Elevator apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To discharge heat in a hoistway to the outdoor in an elevator without a machine room, and to perform installation and maintenance from the inside of the hoistway in supposing a building in which getting on the roof is not intended. SOLUTION: The ceiling of the hoistway is provided with a ventilating opening to mount a ventilator. The ventilating opening is provided with a waterproof member, a top cover, and a filter. The waterproof member is shaped to pass through the ventilating opening. The top cover is of a developing structure or a slit-assembling structure with such dimensions as to pass through the ventilating opening. The filter can be removed and attached from the inside of the hoistway. The ventilator is fitted to a support capable of rotating along a pivot to be drawn into the hoistway.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rope for suspending a car and a car, a hoist in a hoistway for driving the car through the rope, and a vent provided in the hoistway. ,
And a ventilator installed at the ventilation opening for exhausting heat generated by the hoist.

[0002]

2. Description of the Related Art FIG.
FIG. 1 shows the conventional elevator apparatus shown in FIG. 1 of JP-A No. 1 and FIG. 17 shows an arrangement of the elevator apparatus in a conventional building. In the figure, 1 is a building, 2 is a hoistway of an elevator included in the building 1, 3 is a machine room which is separated from the hoistway above the hoistway and is installed so as to protrude to the building roof, 4 is a person or A basket 5 on which the load is to be placed; 5 a counterweight for compensating the weight of the car; 6 a rope for suspending the car 4 and the counterweight 5; 7 a hoist for driving the car and the counterweight via the rope 6;
Reference numeral 8 denotes a deflecting vehicle, 9 denotes a ventilation port installed on a side wall of the machine room 3, and 10 denotes a ventilation device installed in the ventilation port 9.

[0003] The car 4 and the counterweight 5 move up and down via the rope 6 wound around the hoisting machine 7. At this time, the hoist 7 generates heat, and the exhaust heat is exhausted to the outside of the building 1 by the ventilation device 10 installed in the ventilation opening 9 on the side wall of the machine room 3.

[0004]

In the above-mentioned conventional elevator apparatus, the machine room 3 protrudes above the building 1, and the hoisting machine 7 is operated by the ventilation device 10 from the ventilation port 9 on the side wall of the machine room 3. Is discharged outside the building 1. However, in the elevator of the type in which the hoisting machine 7 is arranged in the hoistway, which has been increasing in recent years, as a rule, there is no machine room and the hoistway does not protrude from the top of the building. The problem is how to discharge wastewater. In addition, since this type of building eliminates the machine room in order to reduce construction costs, it may not be assumed that people will enter and exit the roof of the building, so consider not to climb on the roof of the building during elevator installation and maintenance work There is a need to.

[0005] The present invention has been made to solve the above-mentioned problems, and in which a ventilation port in a case where there is no machine room is appropriately arranged to discharge heat generated by a hoist to the outside of a building. is there. Also, it is possible to perform a predetermined work without going out to the building roof at the time of installation work and maintenance work.

[0006]

According to the elevator apparatus of the present invention, the elevator car which moves up and down in the hoistway, the rope which suspends the car, and the car which is arranged in the hoistway and is driven through the rope are driven. A hoisting machine for lifting and lowering, a ventilation port provided in a ceiling portion of the hoistway, and a ventilation device arranged in the ventilation port and exhausting heat in the hoistway to the outside of the hoistway, And

[0007] Further, a waterproof body protruding above the upper surface of the ceiling of the hoistway and preventing rainwater from entering the ventilation opening from the upper surface of the ceiling is provided around the ventilation opening. I have.

[0008] In addition, when superimposed, it is folded to a size that can pass through the ventilation opening, and after deployment, a ventilation opening shielding portion for preventing raindrops from entering the ventilation opening, and ventilation for exhausting heat in the hoistway to the outside. A canopy of a deployment structure that forms a road is provided above the ventilation opening.

[0009] Further, at the time of division, it is divided into a size capable of passing through the ventilation opening, and after assembly, a ventilation opening shielding portion for preventing raindrops from entering the ventilation opening, and a vent for exhausting heat in the hoistway to the outside. A canopy having a divided assembly structure that forms a road is provided above the ventilation opening.

[0010] Further, a holder provided in the ventilation path of the canopy of the deployment structure and a filter for preventing dust from entering a hoistway detachably attached using the holder are provided. And

[0011] Further, a holder provided in the ventilation path of the canopy having the divided assembly structure, and a filter for preventing dust from entering into a hoistway removably attached using the holder are provided. Features.

[0012] Further, the ventilator is mounted so as to be rotatable below the vent hole around a pivot.

[0013] Further, the hoist is disposed above the hoistway.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 1 shows a longitudinal section of an elevator apparatus according to a first embodiment of the present invention, FIG. 2 is an enlarged view of a main part thereof, FIG. 3 is an explanatory view of a structure near a ventilation port, FIG. 4 is an explanatory view of a waterproof body, FIGS. 5, 6, and 7 are explanatory views of the structure of the canopy, and FIG. 8 is an explanatory view of a ventilator support frame that supports the ventilator. In the drawings, the same reference numerals as those in the above-described drawings denote corresponding parts, and a description thereof will be omitted. In the figure, 9a is a ventilation opening arranged on the ceiling of the hoistway 3, 10a is a ventilation device installed in the ventilation opening 9a, 11 is a waterproof body for preventing rainwater from flowing into the ventilation opening 9a, and 12 is a ventilation opening 9a Canopy with expanded structure of 1
Reference numeral 3 denotes a filter removably attached to the ventilation section of the canopy 12 of the deployment structure, 14 denotes a plate-shaped holder attached to the ventilation section of the canopy 12 of the deployment structure, and elastically sandwiches and holds the upper end of the filter 13; Is a ventilator support frame on which the ventilator 10 is mounted, and 16 is a ventilator support frame 15
A hinge 17 pivotally couples the lower part of the waterproof body 11 to the lower part of the waterproof body 11. A latch 17 is attached to the lower part of the waterproof body 11 and holds the ventilator support frame 15 horizontally.

As shown in FIG. 4, the waterproof body 11 has a structure in which a stopper 11b is fixed to a side surface of a rectangular cylinder 11a. If the diagonal direction of the rectangular opening of the ventilation opening 9a is used, the ventilation opening 9a is used. Is large enough to pass through. Waterproof body 1 by the method of FIG.
When the rectangular direction of the ventilation port 9a and the rectangular direction of the rectangular tube 11a of the waterproof body 11 are made to coincide with each other after taking out 1 on the building roof, FIG.
The lower part of the rectangular tube 11a enters the ventilation port 9a like
The upper part of the rectangular tube 11a protrudes from the upper surface of the ceiling. At this time, it is desirable that the lower part of the rectangular tube 11a enters into a position approximately equal to the lower surface of the hoistway ceiling, but this is not a limitation. In this state, a waterproofing agent is injected into a slight gap between the outer periphery of the rectangular cylinder 11a and the rectangular opening of the ventilation port 9a,
Waterproof. This prevents rainwater from entering the ventilation opening 9a from the upper surface of the hoistway ceiling. This operation can be performed by moving the car 5 to the uppermost position and riding on the ceiling of the car 5.

As shown in FIGS. 5 and 6, a waterproof cloth 19 is attached to the frame body 18 in a bellows shape so that the bellows portion can be extended in an arc with one side as a pivot. At the time of superposition, as shown in FIG.
If the diagonal direction of the rectangular opening a is used, the size is such that it can pass through the ventilation port 9a. When mounted on the roof of the building in a superimposed state and extended in the direction of the arrow in FIG. 5 after the installation, as shown in FIG. A vent path for exhausting air can be formed. This operation can be performed by moving the car 5 to the uppermost position and riding on the ceiling of the car 5.

As shown in FIG. 3, the filter 13 has a holder 14 provided at the upper end thereof on the canopy 12 having an expanded structure.
Into the waterproof body from below. Therefore, when the screw at the lower end is removed and the filter 13 is pulled downward, the filter 13 comes off and can be replaced or cleaned. This operation can be performed by moving the car 5 to the uppermost position and riding on the ceiling of the car 5.

As shown in FIG. 8, the ventilation device support frame 15 has a rectangular outer frame portion and a diagonal frame, and a hinge 16 is attached to one side of the rectangular outer frame portion from above in the drawing. Screw A,
The shape is provided with a screw B on one side of symmetry for attaching a latch 17 from below in the figure, and an attaching portion C on a diagonal center for attaching the ventilator 10a from above in the figure. The ventilator support frame 15 to which the ventilator 10a is attached is shown in FIG.
As shown in (1), one side is pivotally attached to the vicinity of the lower end of the waterproof body 11 via the hinge 16, and the other side is held by the waterproof body 11 by the latch 17 to be horizontal. Hasp 1
When the ventilator 7 is removed, the ventilator support frame 15 rotates downward about the hinge 16 as a dashed line in FIG. 3 and hangs down inside the hoistway 2. Can be attached and detached. This operation can be performed by moving the car 5 to the uppermost position and riding on the ceiling of the car 5.

In the above description, the canopy 12 of the unfolded structure has a bellows-type foldable structure, but is not limited to this. For example, a box-shaped component folded to a size that can pass through the ventilation port 9a may be developed after passing through the ventilation port 9a. Alternatively, a material that stores the shape, such as a shape memory alloy, may be used to automatically return to the stored shape after passing through the ventilation opening 9a.

The upper end of the filter 13 is held by the holder 14 and the lower end is held by screws. However, the present invention is not limited to this. For example, a structure may be used in which a magnetic body is used as a holder and the holder is held by magnetic force. Further, for example, a structure may be employed in which the lower end is also screwed by magnetic force.

In the first embodiment, the ventilation device 10a
Is disposed horizontally in the ventilation port 9a, but is not limited to this. For example, the ventilation path of the canopy 12 may be arranged vertically or at an appropriate angle.

Embodiment 2 FIG. FIG. 9 is a view of a main part of an elevator apparatus according to a second embodiment of the present invention, FIG. 10 is an explanatory view of a structure near a ventilation opening, and FIGS. 11, 12, and 13 are explanatory views of a canopy having a divided assembly structure. is there. In the drawings, the same reference numerals as those in the above-described drawings denote corresponding parts, and a description thereof will be omitted. In the figure,
Reference numeral 20 denotes a canopy of a divided assembly structure, 21 denotes a side plate of a canopy 20 of a separately assembled structure which fastens and holds a lower end to the waterproof body 11 and is attached to a surface other than the ventilation section, and 22 denotes a side plate 21 fixed to a lower end of the side plate 21 and attaches the side plate 21 to the waterproof body 11. Is a top plate of a canopy 20 having a shape in which the ventilation portion side is elongated and bent downward at a certain angle, and 24 is fixed to the top plate 23 and elastically sandwiches the side plate 21. A plate-like assembling tool for coupling with 23; a puller 25 fixed to the top plate 23 for pulling the top plate 23 to the side plate 21 and fitting the side plate 21 into the assembling tool 24;
14a is a holder for the filter 13 fixed to the top plate 23.

Here, the canopy 20 of the divided assembly structure is shown in FIG.
As shown in FIG. 1 and FIG. 12, the three side plates 21 are fixed to the waterproof body 11 in advance by the side plate fixing tool 22, and then the top plate 23 is pulled from the inside of the hoistway by using the puller 25, and then the side plates 21 are fixed. At the time of division, the top plate 23 is large enough to pass through the ventilation opening 9a by using a substantially diagonal direction of the rectangular opening of the ventilation opening 9a as shown in FIG. Although not shown, the side plate 22 is also large enough to pass through the ventilation opening 9a. When the assembly is put out on the roof of the building in a divided state and assembled, after the assembly, as shown in FIG. 12, a ventilation opening shielding portion for preventing raindrops from entering the ventilation opening 9a and a ventilation passage for exhausting heat inside the hoistway 2 to the outside are formed. You can do it. This operation can be performed by moving the car 5 to the uppermost position and riding on the ceiling of the car 5. In the second embodiment, the ventilation device 10a, the waterproof body 11, the filter 13, the ventilation device support frame 15, the hinge 16, the latch 17,
Is the same as in the first embodiment.

Further, in the second embodiment, the top plate and the side plate are divided as a divided assembly structure, but the dividing method is not limited to this.

Embodiment 3 FIG. 14 is a view of a main part of Embodiment 3 of the elevator apparatus of the present invention. In the drawings, the same reference numerals as those in the above-described drawings denote corresponding parts, and a description thereof will be omitted. In the figure, reference numeral 26 denotes a suspension truck for suspending the counterweight 5, 2
Reference numeral 7 denotes a support wheel for supporting the car 4 from below. Hoisting machine 7
Are disposed above the counterweight 5, and the ventilation opening 9 a is disposed on the ceiling of the hoistway near the hoisting machine 7.

In the figure, the ventilation opening is arranged almost directly above the hoisting machine 7, but it is not always necessary to do so, and it is arranged close enough to efficiently discharge the heat generated by the hoisting machine. May be. In the third embodiment, the ventilation device 1
0a, a waterproof body 11, a canopy 12, a filter 13, a holder 14, a ventilator support frame 15, a hinge 16, a latch 17, a frame body 18, and a waterproof cloth 19 are the same as those in the first embodiment. Further, in the third embodiment, the canopy having the unfolded structure is illustrated, but it is obvious that the same effect can be obtained even with the canopy having the split assembly structure.

Embodiment 4 FIG. 15 shows a main part of an elevator apparatus according to a fourth embodiment of the present invention. In the drawings, the same reference numerals as those in the above-described drawings denote corresponding parts, and a description thereof will be omitted. In the figure, reference numeral 28 denotes a return wheel that changes the direction of the rope 6 wound around the hoisting machine 7. The hoisting machine 7 is arranged below the hoistway 2, and the rope 6 suspends the car 4 and the counterweight 5 via a return wheel 28.

Even in such a case, since the heat generated by the hoist goes upward, the heat can be exhausted by arranging the ventilation port 9a on the ceiling of the hoistway 2. Embodiment 4
, The ventilation device 10a, the waterproof body 11, the canopy 12, the filter 13, the holder 14, the ventilation device support frame 15, the hinge 16, the latch 17, the frame body 18, and the waterproof cloth 19 are the same as those in the first embodiment. Further, in the fourth embodiment, the canopy having the unfolded structure is exemplified, but it is obvious that the same effect can be obtained even with the canopy having the split assembly structure.

[0029]

Since the present invention is configured as described above, it has the following effects. In the elevator apparatus of the present invention,
A rope for suspending the car, a hoist disposed in the hoistway to drive and raise and lower the car via the rope, a ventilation port provided on a ceiling portion of the hoistway, and the ventilation port And a ventilator arranged to exhaust heat in the hoistway to the outside of the hoistway. Therefore, heat in the hoistway can be efficiently discharged.

Further, a waterproof body is provided around the ventilation opening, which protrudes above the upper surface of the ceiling portion of the hoistway and prevents rainwater from entering the ventilation opening from the upper surface of the ceiling. Therefore, it is possible to prevent rainwater flowing on the roof of the building from entering the hoistway from the ventilation opening.

Further, when superimposed, it is folded into a size that can pass through the ventilation opening, and after deployment, a ventilation opening shielding portion for preventing raindrops from entering the ventilation opening, and a ventilation for exhausting heat in the hoistway to the outside. A canopy of a deployed structure that forms a road is provided above the ventilation opening. Therefore, it is possible to prevent raindrops from entering from the ventilation opening and to discharge heat from inside the hoistway without climbing to the roof of the building at the time of installation.

In addition, at the time of division, it is divided into a size capable of passing through the ventilation opening, and after assembly, a ventilation opening shielding portion for preventing raindrops from entering the ventilation opening, and a vent for exhausting heat in the hoistway to the outside. A canopy of a divided assembly structure that forms a road is provided above the ventilation opening. Therefore, it is possible to prevent raindrops from entering from the ventilation opening and to discharge heat from inside the hoistway without climbing to the roof of the building at the time of installation.

Further, there are provided a holder provided in the ventilation path of the canopy of the deployed structure, and a filter for preventing dust from entering a hoistway which is detachably attached using the holder. Therefore, it is possible to prevent the dust from entering the hoistway and to replace the filter for maintaining the dust intrusion prevention performance without climbing the building roof.

Further, there are provided a holder provided in the ventilation path of the canopy having the divided assembly structure, and a filter for preventing dust from entering a hoistway which is detachably attached using the holder. Therefore, it is possible to prevent the dust from entering the hoistway and to replace the filter for maintaining the dust intrusion prevention performance without climbing the building roof.

Further, the ventilator is mounted so as to be rotatable below the vent hole around a pivot. Therefore, inspection and replacement for maintaining the performance of the ventilation device can be performed without climbing the building roof.

Further, the hoist is arranged above the hoistway. Therefore, heat generated in the upper part of the hoistway can be quickly discharged to the outside.

[Brief description of the drawings]

FIG. 1 is a first embodiment of an elevator apparatus according to the present invention;
FIG.

FIG. 2 is a first embodiment of the elevator apparatus of the present invention.
FIG.

FIG. 3 is a first embodiment of an elevator apparatus according to the present invention;
It is explanatory drawing of the structure of the ventilation port vicinity.

FIG. 4 is a first embodiment of the elevator apparatus of the present invention.
It is explanatory drawing of the waterproof body of FIG.

FIG. 5 is a first embodiment of the elevator apparatus of the present invention.
FIG. 3 is an explanatory view (superimposed state) of the canopy.

FIG. 6 is a first embodiment of an elevator apparatus according to the present invention;
FIG. 4 is an explanatory view (deployed state) of the canopy.

FIG. 7 is a first embodiment of the elevator apparatus of the present invention.
FIG. 4 is an explanatory view of a canopy (a relationship between the size and a ventilation opening).

FIG. 8 is a first embodiment of the elevator apparatus of the present invention.
It is explanatory drawing of the ventilation device support frame of FIG.

FIG. 9 is a second embodiment of the elevator apparatus according to the present invention.
FIG.

FIG. 10 is an explanatory diagram of a structure near a ventilation opening according to a second embodiment of the elevator apparatus of the present invention.

FIG. 11 is an explanatory view (divided state) of a canopy according to a second embodiment of the elevator apparatus of the present invention.

FIG. 12 is an explanatory view (assembled state) of a canopy according to a second embodiment of the elevator apparatus of the present invention.

FIG. 13 is an explanatory view of a canopy according to a second embodiment of the present invention (a relationship between the size of the canopy and the ventilation opening).

FIG. 14 is a diagram of a main part of a third embodiment of the elevator apparatus of the present invention.

FIG. 15 is a view of a main part of an elevator apparatus according to a fourth embodiment of the present invention.

FIG. 16 is a conventional example disclosed in Japanese Patent Application Laid-Open No. 7-315731.

FIG. 17 is a diagram showing an arrangement in a building of a conventional example.

[Explanation of symbols]

2 hoistway, 4 baskets, 5 counterweights, 6
Rope, 7 hoisting machine, 8 deflector car, 9a vent, 1
0a ventilator, 11 waterproof body, 12 deployment canopy, 13 filter, 14 retainer, 14a retainer, 15 ventilator support frame, 16 hinge, 17 latch,
Reference Signs List 18 frame body, 19 waterproof cloth, 20 canopy of divided assembly structure, 21 side plate, 22 fixture, 23 top plate, 24 assembly tool, 25 puller, 26 hanging wheel, 27 support wheel, 28
Return car.

Claims (8)

[Claims] 1. A hoist that lifts and lowers a car in a hoistway, a rope that suspends the car, a hoist that is disposed in the hoistway and drives and raises and lowers the car through the rope. An elevator apparatus comprising: a ventilation port provided in a ceiling portion; and a ventilation device disposed in the ventilation port and exhausting heat in the hoistway to the outside of the hoistway. 2. A waterproof body protruding above the upper surface of the ceiling of the hoistway and preventing rainwater from entering the ventilation opening from the upper surface of the ceiling is provided around the ventilation opening. The elevator apparatus according to claim 1, wherein 3. A ventilation opening shielding portion for preventing raindrops from entering the ventilation opening after deployment and a ventilation opening for exhausting heat in the hoistway to the outside. The elevator apparatus according to claim 1 or 2, wherein a canopy of a deployment structure that forms a road is provided above the ventilation port. 4. A dividing part which is sized to be able to pass through said ventilation opening at the time of division, and a ventilation opening shielding part for preventing raindrops from entering said ventilation opening after assembling, and a vent for exhausting heat in said hoistway to outside. The elevator apparatus according to claim 1 or 2, wherein a canopy having a divided assembly structure that forms a road is provided above the ventilation opening. 5. A holder provided in an air passage of a canopy of the unfolded structure, and a filter for preventing dust from entering a hoistway removably attached using the holder. The elevator apparatus according to claim 3, wherein 6. A holder provided in an air passage of a canopy having the split assembly structure, and a filter for preventing dust from entering into a hoistway removably attached using the holder. The elevator device according to claim 4, characterized in that: 7. The ventilation device according to claim 1, wherein the ventilation device is rotatable about a pivot below the ventilation opening.
The elevator apparatus according to any one of claims 1 to 6. 8. The elevator apparatus according to claim 1, wherein the hoist is disposed above the hoistway.