JPH07300285A - Small elevator device - Google Patents

Abstract

PURPOSE:To provide a small elevator device generated with little moment on a car by the tare weight and load, applied with a reduced load to the guide tool of the car, and capable of being simply constituted. CONSTITUTION:A lower beam 3 is provided on the lower face of a car 2 in response to the position of the center of gravity on the horizontal plane of the car 2. A main rope 23 is connected to the lower beam 3 to suspend the car 2. The moment generated on the car 2 by the tare weight and load of the car 2 is reduced, and the load applied to the car 2 by the moment is reduced. The structures of the car 2, a guide rail, and a guide tool can be simplified, auxiliary apparatuses such as a hoist can be miniaturized and made a small capacity since these members are made lightweight, and the manufacturing cost is reduced.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a small elevator device in which a car is vertically driven by a hoisting machine of a winding type provided at a lower end of a hoistway.

[0002]

2. Description of the Related Art FIGS.
It is a figure which shows the conventional small-sized elevator apparatus similar to what was shown by 15672 gazette, FIG. 10 is a cross-sectional plan view, FIG. 11 divides the height direction of FIG. FIG. 12 is a right side view of FIG. In the figure, (1) is a hoistway, (2) is a car provided in the hoistway (1), and a lower beam (3) arranged near the landing (12) provided in the hoistway (1) to be described later. ), Car floor above the lower beam (3)
(4), basket room (5), basket floor (4) provided on the basket floor (4)
The columns (6) standing on both sides of the column, the upper beams (7) connecting the columns (6) on both sides, and the braces connecting the upper ends of the columns (6) and the rear ends of the car floor (4) ( 8).

[0003] (9) is a car door device provided in the car (2), a sill (10) that forms the lower edge of the car entrance and exit, and a car door (11) that is a sliding door that opens and closes the car entrance and exit Has been. (12) is a landing provided in the hoistway (1) and facing the entrance / exit of the car (2). The landing unit (13) includes a sill (14) and a landing door (15). (16) is a winding drum type hoisting machine installed at the lower end of the hoistway (1).
7) and an electric motor (18).

Guide rails (19) are provided upright on the hoistway (1) and provided on both sides of the car (2), respectively, and are arranged to face the side surface of the car (2) near the landing (12). With brackets (20)
Is supported by the side surface of the hoistway (1) on the side of the landing (12). (21) are pulleys pivotally supported by a mounting frame (22) which is provided by connecting the uppermost ends of the guide rails (19) to each other, and are arranged at positions corresponding to both sides of the car (2) and are moved up and down. It is located at the top of the road (1).

One end of (23) is connected to the lower beam (3) of the car (2) and is arranged on both sides of the car (2), and is wound around the pulley (21) to descend and the other end is wound up. The main ropes (24) wound around the winding drum (18) of the machine (16) are provided on the upper beam (7) and the lower beam (3), respectively, and are movable on the guide rails (19). A guide tool composed of engaged guide rollers, (25) a control box provided on the ceiling of the car room (5), and (26) an emergency stop device provided on the lower beam (3).

[0006] (27) is a moving cable suspended in the hoistway (1), and one end of the moving cable is projected from the car room (5) and the car-side suspender (2)
8), and the other end is a hoistway-side hanger protruding from the landing (12) side.
Suspended by (29). (30) is an upper shock absorber mounted on the lower surface of the mounting frame (22) and facing the upper beam (7) of the car (2), and (31) is erected from the bottom of the hoistway (1). A basket
(2) A lower shock absorber arranged so as to face the lower beam (3).

The conventional small elevator device is constructed in this way, and the car (2) is suspended in the hoistway (1) by the main rope (23) through the lower beam (3) and the guide tool (24 ) Is movably engaged with the guide rail (19). Since the guide rail (19) is arranged near the landing (12) of the hoistway (1), a moment is generated due to the weight and load of the car (2), and the guide tool ( The rearward load of the car (2) acts on 24), and the forward load of the car (2) acts on the guide tool (24) of the lower beam (3).

When the hoisting machine (16) is energized, the main rope (2
The car (2) moves up and down as the carcass (3) is rolled up in the winding drum (18) and unwound from the winding drum (18). When the car (2) stops at the landing (12), the car door device (9) opens and closes the car door (11) and the landing unit (13) opens and closes the landing door (15) to allow passengers to get on and off. To do. If the elevator car (2) moves beyond the specified position, the upper shock absorber
The shock absorbing function of the lower shock absorber (31) or the lower shock absorber (31) prevents an excessive impact from being generated.

Further, the movement of the car (2) is performed by supplying power and transmitting / receiving signals between the hoistway (1) side and the car (2) through the moving cable (27) and the control box (25). Be controlled. Also a basket
When (2) descends at an abnormal speed, the emergency stop device (26) brakes the descending of the car (2).

[0010]

In such a conventional small elevator device, the lower beam (3) is located at the landing of the car (2).
(12) The car (2) is hung near the lower beam (3) by being connected to the main rope (23). For this reason, the car
The moment generated in (2) increases and the load in the front-rear direction of the car (2) acting on the guide tool (24) increases. In order to support the load in the front-back direction, the structure of the guide tool (24) and the members such as the lower beam (3), the pillar (6), the upper beam (7) and the brace (8) of the car (2) are heavy. However, there is a problem that the weight increases and the manufacturing cost increases.

Further, the increase in the weight of the car (2) increases the capacity of the emergency stop device (26), and the increase in the weight of the car (2) also increases the size of the hoisting machine (16), increasing the required power. Electricity charges will increase and the capacity of the power receiving equipment in the building where the small elevator is installed will also increase. In addition, guide rails (19)
Due to the increase of the load acting on the hoistway (1), the structure of the hoistway (1) also needs to be strengthened, which increases the construction cost.

The present invention has been made in order to solve such a problem, and a small elevator that can be simply constructed by reducing the moment generated in the car by its own weight and load and reducing the load acting on the guide tool of the car. The purpose is to obtain the device.

[0013]

A small elevator device according to the present invention comprises a car provided in a hoistway, a hoisting machine provided at a lower end of the hoistway, and a car entrance provided in the hoistway. And the guide rails that stand upright on the hoistway and are placed close to both sides of the car near the hall, and guide the car up and down.One end is placed on each side of the car and the top of the hoistway. The main rope is wound around a pulley that is pivotally attached to the other end, and the other end is placed corresponding to the position of the center of gravity in the horizontal plane of the car, which is provided on the lower surface of the car, and the main rope is located at both ends. And a lower beam that is connected to each and supports the car.

Further, in the small-sized elevator apparatus according to the present invention, there are provided guide tools which are respectively attached to both edges of the ceiling of the car and both ends of the lower beam, and which are movably engaged with the guide rails.

Further, in the small-sized elevator apparatus according to the present invention, one end is fixed to the guide rail and extends along the car door in an open state provided on the car, and is bent in the landing side direction, and the other end is landed. A bracket fixed to the side hoistway is provided.

Further, in the small elevator device according to the present invention, one end is fixed to the guide rail and extends along the car door in the open state provided on the car, and is bent in the landing side direction and the other end is landed. A hall unit support piece fixed to the hall unit provided on the side is provided.

Further, in the small elevator device according to the present invention, the car door device provided in the car is directly mounted on the ceiling of the car.

Further, in the small-sized elevator apparatus according to the present invention, the upper shock absorber mounted on the mounting arm protruding from the guide rail and arranged to face the upper surface of the lower beam of the car is provided.

Further, in the small elevator apparatus according to the present invention, the car floor of the car is provided, which is constructed by fastening the plurality of floor plates to each other through the respective bending portions by the fasteners.

Further, in the small elevator device according to the present invention, the car floor of the car having the through hole for positioning is provided at the position corresponding to the lower beam bending portion of the floor plate.

Further, in the small elevator device according to the present invention, the end portion of the sill of the car door device on the door pocket side is set to be shorter than the fully open position of the car door, and the end portion is curved so that the tip is loose. A widened portion of the guide groove formed to be widened is provided.

Further, in the small elevator device according to the present invention, the widened portion is formed by the end member made of a viscoelastic material provided at the end portion of the sill on the door pocket side.

Further, in the small-sized elevator apparatus according to the present invention, a control box is provided in which a part of the moving cable is attached to the ceiling by protruding from the edge of the ceiling of the car and one end of the moving cable is directly hung. .

[0024]

In the small elevator device constructed as described above, the car is supported by the main ropes via the lower beam provided on the lower surface of the car and corresponding to the position of the center of gravity of the car in the horizontal plane. As a result, the weight of the car and the moment generated in the car due to the load are reduced.

Further, in the small-sized elevator apparatus having such a structure, the car is supported by the main ropes via the lower beam which is provided on the lower surface of the car and is arranged corresponding to the position of the center of gravity of the car in the horizontal plane. As a result, the weight of the car and the moment generated in the car due to the load are reduced. Also,
The car moves up and down by being guided by the guide rails through the guide tools attached to both edges of the ceiling and both ends of the lower beam.

Further, in the small-sized elevator device having such a structure, the car is supported by the main ropes via the lower beam provided on the lower surface of the car and corresponding to the center of gravity of the car in the horizontal plane. As a result, the weight of the car and the moment generated in the car due to the load are reduced. Also, one end is fixed to the guide rail and extends along the car door in the open state provided on the car, is bent in the landing side direction, and the other end is fixed to the hoistway on the landing side by a bracket, which is a door pocket of the car. Side guide rails are supported by the hoistway.

Further, in the small-sized elevator device constructed as described above, the car is supported by the main ropes via the lower beam provided on the lower surface of the car and corresponding to the center of gravity of the car in the horizontal plane. As a result, the weight of the car and the moment generated in the car due to the load are reduced. Also,
A landing unit support piece whose one end is fixed to a guide rail and extends along an open car door provided in the car and is bent in the landing side direction, and the other end is fixed to a landing unit provided on the landing side Thus, the guide rail on the door pocket side of the car and the hall unit are connected.

Further, in the small-sized elevator apparatus having such a structure, the car is supported by the main ropes via the lower beam provided on the lower surface of the car and corresponding to the position of the center of gravity of the car in the horizontal plane. As a result, the weight of the car and the moment generated in the car due to the load are reduced. Also,
The car door device provided on the car is directly supported by the car ceiling.

Further, in the small-sized elevator device having such a structure, the car is supported by the main ropes via the lower beam provided on the lower surface of the car and corresponding to the position of the center of gravity of the car in the horizontal plane. As a result, the weight of the car and the moment generated in the car due to the load are reduced. Further, the upper shock absorber, which is mounted on the mounting arm protruding from the guide rail and faces the upper surface of the lower beam of the car, prevents abnormal rise of the car.

Further, in the small-sized elevator device having such a structure, the car is supported by the main ropes via the lower beam provided on the lower surface of the car and corresponding to the center of gravity in the horizontal plane of the car. As a result, the weight of the car and the moment generated in the car due to the load are reduced. Also,
The car floor of the car is configured by fastening a plurality of floor plates to each other with fasteners through the respective bending portions.

Further, in the small-sized elevator device having such a structure, the car is supported by the main ropes via the lower beam provided on the lower surface of the car and corresponding to the center of gravity of the car in the horizontal plane. As a result, the weight of the car and the moment generated in the car due to the load are reduced. Also,
The floor plate is arranged at a position corresponding to the lower beam bending portion through a positioning through hole and is mounted at a predetermined position.

Further, in the small-sized elevator apparatus having such a structure, the car is supported by the main ropes via the lower beam provided on the lower surface of the car and corresponding to the position of the center of gravity of the car in the horizontal plane. As a result, the weight of the car and the moment generated in the car due to the load are reduced. Also,
The end of the sill of the car door device on the door pocket side is set shorter than the fully open position of the car door, and a divergence portion is formed at this end so that the leading end of the guide groove of the sill is curved and gradually widened.

Further, in the small-sized elevator apparatus having such a structure, the car is supported by the main ropes via the lower beam provided on the lower surface of the car and corresponding to the position of the center of gravity of the car in the horizontal plane. As a result, the weight of the car and the moment generated in the car due to the load are reduced. Also,
An end member made of a viscoelastic material provided at an end portion of a sill of a car door device of a small elevator device according to claim 9 on the door pocket side forms a divergent portion of the guide groove, and the tip side is curved and gradually widens. .

Further, in the small-sized elevator device having such a structure, the car is supported by the main ropes via the lower beam provided on the lower surface of the car and corresponding to the position of the center of gravity of the car in the horizontal plane. As a result, the weight of the car and the moment generated in the car due to the load are reduced. Also,
One end of the moving cable hangs directly from a control box mounted on the ceiling with a part protruding from the edge of the ceiling of the car.

[0035]

【Example】

Example 1. 1 to 7 are views showing an embodiment of the present invention. FIG. 1 is a cross-sectional plan view, FIG. 2 is a right side view showing a height direction of FIG. Is III in FIG.
FIG. 4 is an enlarged perspective view of the car floor of FIG. 1, FIG. 5 is an enlarged front view of the lower portion of the car door device of FIG. 1, and FIG. 6 is an enlarged view of the essential parts of FIG. FIG. 7 and FIG. 7 are enlarged plan views of the left end portion of the threshold of FIG. In the figure, (1) is a hoistway.

(2) is a car provided in the hoistway (1),
Lower beam (3) provided on the lower surface of (2) and corresponding to the center of gravity of the horizontal plane of the car (2), car floor (4) and car floor provided on the lower beam (3) (4) Basket room above
It is composed of (5). In addition, the car floor (4) is composed of a plurality of floor plates (32), the refraction section (33) that is refracted downward is provided at the opposing portions of the floor boards (32), and the refraction section (33). Are fastened to each other by a fastener (34) including a bolt and a nut screwed into the bolt.

Further, a joint (35) bent upward is formed on the outer edge of the floor plate (32) to fasten the connection fitting (36),
The floor plates (32) are fastened to each other. Further, a positioning through hole (37) is provided at a position corresponding to the lower beam (3) bending portion of the floor plate (32) facing the lower beam (3). (9) is a car door device provided in the car (2), which is provided with a sill (10) that forms the lower edge of the car entrance and a car door (11) that is a sliding door that opens and closes the car entrance and exit. . The end of the sill (10) on the door pocket side is set shorter than the fully open position of the car door (11) shown by the solid line in FIG.

Reference numeral (38) is a guide groove which is provided along the length of the sill (10) and guides the leg (39) at the lower end of the car door (11). The widened tip (4
0) is formed. (12) is a landing provided in the hoistway (1) and facing the entrance / exit of the car (2). The landing unit (13) includes a sill (14) and a landing door (15). (16) is a winding drum type hoisting machine provided at the lower end of the hoistway (1), and is composed of a winding drum (17) and an electric motor (18).

The guides (19) are provided upright on the hoistway (1) and provided on both sides of the car (2), respectively, facing the side surface of the car (2) near the landing (12) and in close proximity. With the rail, the door of the basket (1
The door stop side of 1) is supported by the bracket (20) on the side surface of the hoistway (1) at the landing (12) side, and the door pocket side of the car door (11) is fastened to the guide rail (19) at one end. It is extended along the back side of the car door (11) in the fully opened state and bent to the side of the landing (12), and the other end is attached to the side surface of the hoistway (1) on the side of the landing (12) ( It is supported by 41).

Reference numeral (21) is a pulley that is pivotally supported by a mounting frame (22) provided by connecting the uppermost ends of the guide rails (19) to each other, and is a pulley.
They are arranged at positions corresponding to both sides of (2) and are provided at the upper end of the hoistway (1). One end of (23) is connected to the lower beam (3) of the car (2) and is arranged on each side of the car (2). ) Main ropes wound around the winding drum (18), (24) are provided on both sides of the ceiling of the car room (5) and on both ends of the lower beam (3) on each of the guide rails (19). It is a guide tool composed of guide rollers that are movably engaged.

One end of (42) is fixed to the guide rail (19) on the door-stop side of the car door (11), and the other end is fixed to the outer surface of the landing unit (13) and fixed to the guide rail (19). On the other hand, a landing unit support piece for arranging the landing unit (13) at a predetermined position, (43)
Has one end fixed to the guide rail (19) on the door pocket side of the car door (11) and configured in the same shape as the bracket (41), and the other end fixed to the outer surface of the landing unit (13) for guiding. Rail (19)
The hall unit (13) is a hall unit supporting piece for arranging the hall unit at a predetermined position.

(25) is a control box which is provided on the ceiling of the car room (5) and is partially projected from the side surface of the car room (5), and (26) is provided on the lower beam (3) The emergency stop device (27) is a moving cable suspended in the hoistway (1), and one end is the control box.
It hangs directly from (25), and the other end is suspended by a hoistway-side hanger (29) projecting from a guide rail (19).

Reference numeral (30) is an upper shock absorber composed of a compression coil spring which is attached to a mounting arm (44) protruding from the guide rail (19) and is arranged so as to face the lower beam (3) of the car (2). Vessel, (31) is hoistway
A lower shock absorber consisting of a compression coil spring that is erected from the bottom surface of (1) and is arranged to face the lower beam (3) of the car (2).

In the small elevator device configured as described above, the car (2) is provided on the lower surface of the car floor (4), and the lower beam is arranged corresponding to the position of the center of gravity of the car (2) in the horizontal plane. It is suspended in the hoistway (1) by the main rope (23) via the (3). In addition, the car (2) is provided on both sides of the ceiling of the car room (5) and on both ends of the lower beam (3), and guide rails (19) are provided.
It is guided by the guide rail (19) by the guide tool (24) engaged with and moves up and down the predetermined path in the hoistway (1).

When the hoisting machine (16) is energized, the main rope (2
The car (2) moves up and down as the carcass (3) is rolled up in the winding drum (18) and unwound from the winding drum (18). When the car (2) stops at the landing (12), the car door device (9) opens and closes the car door (11) and the landing unit (13) opens and closes the landing door (15) to allow passengers to get on and off. To do. If the elevator car (2) moves beyond the specified position, the upper shock absorber
The shock absorbing function of the lower shock absorber (31) or the lower shock absorber (31) prevents an excessive impact from being generated.

Furthermore, power is supplied between the hoistway (1) side and the car (2) and signals are transmitted and received through the moving cable (27) and the control box (25) to operate the car (2). Be controlled. Also a basket
If (2) descends at an abnormal speed, the safety device (26)
The car (2) is braked by this.

In this structure, the unbalanced load acting on the car (2) is reduced by the weight of the car (2) and the load, and the guide tool
The load along the front-back direction of the car (2) at (24) is also reduced. Therefore, the structure of the guide tool (24) can be simplified, and the guide tool (24) can be directly attached to the upper portion of the cab (5). Further, the pillar (6), the upper beam (7) and the brace (8) in FIG. 12 of the car (2) are not required, and the car (2) can be reduced in weight, thus reducing the manufacturing cost. be able to.

Also, the capacity of the safety device (26) can be reduced, and the manufacturing cost can be reduced. Further, the hoisting machine (16) can be downsized due to the reduction in the weight of the car (2), and the required electric power can be reduced to reduce the electricity charge. Furthermore, it is possible to reduce the power receiving equipment capacity of the building in which the small elevator is installed, and the structure of the hoistway (1) can be made lighter and thinner by reducing the horizontal load acting on the guide rail (19). The cost can be reduced.

Further, one end of the moving cable (27) is connected to the control box (2
Since it hangs directly from 5) and is hung on the hoistway (1), the car side hanging hand (28) in FIG. 10 described above is unnecessary. Therefore, the manufacturing cost and the weight of the basket (2) can be reduced. In addition, on the door pocket side of the car door device (9), the car (2)
Since the guide rail (19) is provided in the vicinity of the side surface of the hoistway, the frontage dimension of the hoistway (1) can be reduced, and the space required for installing the small elevator device in construction can be reduced.

The upper shock absorber (30) is attached to the mounting arm (44) projecting from the guide rail (19), and the lower beam (3) of the car (2) is attached.
Is placed opposite to. Therefore, the upper beam (7) of the car (2) in FIG.
The weight can be reduced.

The car floor (4) is composed of a plurality of floor plates (32), and the bent portions (33) of the floor plates (32) are fastened together by fasteners (34) to be assembled. With this basket floor (4)
Can be easily manufactured, and transportation can be facilitated to reduce the manufacturing cost. Furthermore, the floorboard facing the lower beam (3)
(32) Lower beam (3) Positioning through hole (37) at the position corresponding to the bending part
Is provided. As a result, the car floor (4) can be easily attached to the lower beam (3) at a predetermined position, and the car floor (4) can be installed by a simple operation to reduce the installation cost.

The door pocket side end of the sill (10) of the car door device (9) is set shorter than the fully open position of the car door (11) shown by the solid line in FIG. As a result, the car (2) can be made lighter, and the space for maintenance work such as the hoisting machine (17) in the lower part of the hoistway (1) becomes wider when the car door (11) is closed, and maintenance is possible. The work efficiency can be improved. Also a basket
The threshold (10) is arranged in a fitted state in the recess of the floor plate (32) near the front of (2). As a result, the threshold (10) can be easily attached at a predetermined position with respect to the car floor (4).

Also, the end of the sill (10) on the door pocket side is a car door.
Although it is set shorter than the fully open position shown by the solid line in FIG. 5 of (11), it is recessed along the length of the sill (10) to guide the leg (39) at the lower end of the car door (11). The end portion of the guide groove (38) on the door pocket side is formed with a widened portion (40) which is curved and has a tip whose width is gradually widened. Therefore, when the car door (11) shown in FIG. 5 is closed from the fully opened state, the leg (39) is smoothly guided into the guide groove (38) by the widened portion (40). Therefore, it is possible to prevent generation of impact and noise when the car door (11) is closed.

Example 2. FIG. 8 is a view showing another embodiment of the present invention, and is a perspective view of the door pocket side end portion of the sill of the car door apparatus. Similar to FIGS. 1 to 7 except for FIG. 8, the small elevator apparatus is shown. Is configured. In the figure, the same reference numerals as those in FIGS. 1 to 7 indicate corresponding parts, and (10) is a car door device (9)
The sill (45) is a sill base which constitutes a main part of the sill (10), and is manufactured by extrusion-molding a metal material such as aluminum, and is provided with a guide groove (38).

Reference numeral (46) is an end member arranged at the door pocket side end of the sill base (45), which is made of a viscoelastic material such as synthetic resin and is connected to the guide groove (38) and has its tip gently widened. A widened portion (40) is formed. Then, the overlapped portion with the lower surface of the sill base (45) is screwed into the screw rod (47) and the screw rod (47) and the nut (48).
Fastened to the sill base (45) by.

Also in this configuration, the car (2) is replaced by the car floor (4).
It is suspended in the hoistway (1) by the main rope (23) via the lower beam (3) provided on the lower surface of the car (2) and arranged corresponding to the position of the center of gravity of the car (2) in the horizontal plane. Therefore, although detailed description is omitted, it is obvious that the embodiment of FIG. 8 can also obtain the same operation as that of the embodiment of FIGS.

Further, in the embodiment of FIG. 8, an end member (46) made of viscoelastic material having a widened portion (40) is arranged at the door pocket side end of the sill (10) of the car door device (9). It by this,
The legs (39) of the car door (11) in the fully opened state are smoothly guided into the guide groove (38) by the widened portion (40). This ensures that when the car door (11) is closed from the fully open position, the car door (1
It is possible to prevent impact and noise when the door is closed in 1).

Example 3. FIG. 9 is also a view showing another embodiment of the present invention, which is equivalent to FIG. 3 described above, and a small elevator device is configured similarly to FIG. 1 to FIG. 7 except for FIG. In the figure, the same reference numerals as those in FIGS. 1 to 7 indicate corresponding parts, and (49) is an upper shock absorber, which is made of an elastic material such as rubber and is provided with a mounting arm (44) projecting from a guide rail (19). Further, they are fastened by bolts (50) and are arranged to face the lower beam (3) of the car (2).

In this configuration as well, the car (2) has the car floor (4)
It is suspended in the hoistway (1) by the main rope (23) via the lower beam (3) provided on the lower surface of the car (2) and arranged corresponding to the position of the center of gravity of the car (2) in the horizontal plane. Therefore, although detailed description is omitted, it is apparent that the embodiment of FIG. 9 can also obtain the same operation as that of the embodiment of FIGS. Further, when the ascending / descending car (2) rises above a predetermined position, the shock absorbing action of the upper shock absorber (30) suppresses the occurrence of excessive impact.

[0060]

As described above, according to the present invention, a car provided in the hoistway, a hoisting machine provided at the lower end of the hoistway, and a hall provided in the hoistway and facing the doorway of the car, Guide rails standing upright in the hoistway and arranged close to both sides of the car near the car land to guide the car going up and down, and one end placed on each side of the car and pivotally attached to the top of the hoistway The main rope wound around the pulley and the other end wound around the hoisting machine, and the other end of the car, which is provided on the lower surface of the car, correspond to the position of the center of gravity in the horizontal plane of the car. A lower beam supporting the car is provided.

As a result, the car is supported by the main ropes via the lower beam which is provided on the lower surface of the car and is arranged corresponding to the center of gravity of the car in the horizontal plane. As a result, the moment generated in the car by the weight of the car and the load is reduced, and the load acting on the car is reduced by the moment. Therefore, the structure of the car, the guide rail, and the guide tool can be simplified, and the weight reduction of these members can reduce the size and capacity of related equipment such as a hoisting machine, thus reducing manufacturing costs. .

Further, as described above, the present invention is provided with the guide tools which are respectively attached to both edges of the ceiling of the car and both ends of the lower beam and are movably engaged with the guide rails.

As a result, the car is supported by the main ropes via the lower beam which is provided on the lower surface of the car and is arranged corresponding to the position of the center of gravity of the car in the horizontal plane. As a result, the weight of the car and the moment generated in the car due to the load are reduced. Further, the car moves up and down while being guided by the guide rails via the guide tools attached to both edges of the ceiling and both ends of the lower beam. Therefore, it is possible to simplify the structure of the car, the guide rail, and the guide tool, and to simplify the configuration of the guide tool mounting position, and also to reduce the weight and weight of these members, thereby making it possible to reduce the size and capacity of related equipment such as a hoist. This has the effect of reducing manufacturing costs.

As described above, according to the present invention, one end is fixed to the guide rail and is extended along the door of the car provided in the car in the open state, and is bent in the landing side direction, and the other end is landing side. A bracket fixed to the hoistway is provided.

As a result, the car is supported by the main ropes via the lower beam provided on the lower surface of the car and arranged corresponding to the center of gravity of the car in the horizontal plane. As a result, the weight of the car and the moment generated in the car due to the load are reduced. Also, one end of the car is fixed to the guide rail and extended along the door of the car in the open state provided on the car, bent toward the landing side, and the other end is fixed to the hoistway on the landing side by a bracket. Side guide rails are supported by the hoistway.

Therefore, the structure of the car, the guide rail, and the guide tool can be simplified, and the weight reduction of these members can reduce the size and capacity of related equipment such as a hoisting machine and reduce the manufacturing cost. effective. In addition, the guide rails arranged near the side of the car can be supported by the inner surface of the hoistway on the landing side, which can simplify the structure of hoistways other than the landing side and reduce construction costs. Has the effect of

As described above, according to the present invention, one end is fixed to the guide rail and is extended along the door of the car provided in the car in an open state, and is bent in the landing side direction, and the other end is landing side. The landing-unit support piece fixed to the landing-unit installed in the.

As a result, the car is supported by the main ropes via the lower beam provided on the lower surface of the car and arranged corresponding to the center of gravity of the car in the horizontal plane. As a result, the weight of the car and the moment generated in the car due to the load are reduced. Further, a landing unit whose one end is fixed to a guide rail and extends along an open car door provided on the car and is bent in the landing side direction, and the other end is fixed to a landing unit provided on the landing side. The support piece connects the guide rail on the door pocket side of the car and the hall unit.

Therefore, the structure of the car, the guide rail, and the guide tool can be simplified, and the weight reduction of these members can reduce the size and capacity of related equipment such as a hoisting machine and reduce the manufacturing cost. effective. Further, the guide rail on the door pocket side of the car, which is arranged close to the side surface of the car, and the hall unit are connected by the hall unit support piece. As a result, the guide rail on the door pocket side of the car and the hall unit can be easily installed at a predetermined position, which has the effect of improving the efficiency of installation work.

Further, according to the present invention, as described above, the car door device provided in the car is directly attached to the ceiling of the car.

Thus, the car is supported by the main ropes via the lower beam provided on the lower surface of the car and arranged corresponding to the center of gravity of the car in the horizontal plane. As a result, the weight of the car and the moment generated in the car due to the load are reduced. Further, the car door device provided on the car is directly supported by the car ceiling.

Therefore, the structure of the car, the guide rail, and the guide tool can be simplified, and the weight reduction of these members can reduce the size and capacity of related equipment such as a hoisting machine and reduce the manufacturing cost. effective. Further, since the car door device provided on the car is directly supported by the car ceiling, the number of constituent members of the car is reduced, the car is lightened, and the manufacturing cost is reduced.

Further, as described above, the present invention is provided with the upper shock absorber which is mounted on the mounting arm projecting from the guide rail and which is arranged so as to face the upper surface of the lower beam of the car.

As a result, the car is supported by the main ropes via the lower beam provided on the lower surface of the car and arranged corresponding to the position of the center of gravity of the car in the horizontal plane. As a result, the weight of the car and the moment generated in the car due to the load are reduced. Further, an abnormal shock rise of the car is prevented by the upper shock absorber mounted on the mounting arm protruding from the guide rail and arranged so as to face the upper surface of the lower beam of the car.

Therefore, the structure of the car, the guide rail, and the guide tool can be simplified, and the weight reduction of these members can reduce the size and capacity of related equipment such as a hoisting machine and reduce the manufacturing cost. effective. In addition, the upper shock absorber is attached to the mounting arm protruding from the guide rail and is arranged so as to face the upper beam of the lower beam of the car, so the number of components of the car is reduced, the car is lighter, and the manufacturing cost is reduced. Has the effect of

Further, as described above, the present invention provides the car floor of the car constituted by the plurality of floor plates being fastened to each other by the fasteners through the respective bending portions.

As a result, the car is supported by the main ropes via the lower beam which is provided on the lower surface of the car and is arranged corresponding to the center of gravity of the car in the horizontal plane. As a result, the weight of the car and the moment generated in the car due to the load are reduced. In addition, the car floor of the car is configured by fastening a plurality of floor plates to each other with fasteners through the respective bending portions.

Therefore, the structure of the car, the guide rail, and the guide tool can be simplified, and the weight reduction of these members can reduce the size and capacity of the related equipment such as a hoisting machine and reduce the manufacturing cost. effective. In addition, since the car floor of the car is configured by fastening the plurality of floor plates to each other through the respective bending portions with the fasteners, the car floor can be easily manufactured and transported, and the manufacturing cost can be reduced. .

Further, as described above, the present invention provides the car floor of the car having the positioning through hole at the position corresponding to the lower beam bending portion of the floor plate.

As a result, the car is supported by the main ropes via the lower beam provided on the lower surface of the car and corresponding to the position of the center of gravity of the car in the horizontal plane. As a result, the weight of the car and the moment generated in the car due to the load are reduced. Further, the floor plate is mounted at a predetermined position on the car floor through a positioning through hole at a position corresponding to the lower beam bending portion.

Therefore, the structure of the car, the guide rail, and the guide tool can be simplified, and the weight reduction of these members can reduce the size and capacity of related equipment such as a hoisting machine and reduce the manufacturing cost. effective. In addition, the car floor of the car is provided with through holes for positioning at positions corresponding to the lower beam bending part of the floor plate, so that the car floor can be easily installed at the predetermined position of the lower beam and can be installed by simple work. It has the effect of reducing costs.

Further, according to the present invention, as described above, the end portion of the sill of the car door device on the door pocket side is set to be shorter than the fully open position of the car door, and the end portion is curved so that the tip is gradually widened. The divergent portion of the guide groove formed in this way is provided.

As a result, the car is supported by the main ropes via the lower beam provided on the lower surface of the car and corresponding to the center of gravity of the car in the horizontal plane. This reduces the moment generated in the car due to its own weight and load.
Further, the door pocket side end of the sill of the car door device is set to be shorter than the fully open position of the car door, and a divergent portion is formed at this end so that the tip of the guide groove is curved and gradually widens.

Therefore, the structure of the car, the guide rail, and the guide tool can be simplified, and the weight reduction of these members can reduce the size and capacity of related equipment such as a hoisting machine and reduce the manufacturing cost. effective. In addition, since the end of the sill of the car door device on the door pocket side is set shorter than the fully open position of the car door, the car can be made lighter, and the space for maintenance work such as hoisting machines at the bottom of the hoistway can be reduced. It becomes wider when the door is closed, which has the effect of improving maintenance work efficiency. Further, since the divergence portion is formed at the door pocket side end of the sill, when the car door is closed from the fully opened state, the legs are smoothly guided into the guide groove by the divergence portion. Therefore,
It has the effect of preventing impact and noise when the car door is closed.

Further, according to the present invention, as described above, the widened portion is formed by the end member made of the viscoelastic material provided at the end portion of the sill on the door pocket side.

As a result, the car is supported by the main ropes via the lower beam provided on the lower surface of the car and arranged corresponding to the position of the center of gravity of the car in the horizontal plane. As a result, the weight of the car and the moment generated in the car due to the load are reduced. Further, the end portion made of a viscoelastic material provided at the door pocket side end of the sill of the car door device of the small elevator device forms a divergent portion of the guide groove, and the tip side is curved and gradually widens.

Therefore, the structure of the car, the guide rail, and the guide can be simplified, and the weight reduction of these members can reduce the size and capacity of related equipment such as a hoisting machine and reduce the manufacturing cost. effective. In addition, since the end of the sill of the car door device on the door pocket side is set shorter than the fully open position of the car door, the car can be made lighter, and the space for maintenance work such as hoisting machines at the bottom of the hoistway can be reduced. It becomes wider when the door is closed, which has the effect of improving maintenance work efficiency. Also, since the end portion made of viscoelastic material forms the divergence part at the end of the sill on the door pocket side, when the car door is closed from the fully opened state, the legs are smoothly guided by the divergence part. Guided in the groove. Therefore, the impact of closing the car door,
It is effective in preventing the generation of noise.

Further, as described above, the present invention is provided with the control box in which a part of the moving cable is attached to the ceiling so that one end of the moving cable directly hangs down from the edge of the ceiling of the car. Is.

As a result, the car is supported by the main ropes via the lower beam provided on the lower surface of the car and corresponding to the center of gravity of the car in the horizontal plane. As a result, the weight of the car and the moment generated in the car due to the load are reduced. Further, one end of the moving cable is directly hung from a control box mounted on the ceiling with a part protruding from the edge of the ceiling of the car.

Therefore, the structure of the car, the guide rail, and the guide tool can be simplified, and the weight reduction of these members can reduce the size and capacity of related equipment such as a hoisting machine and reduce the manufacturing cost. effective. In addition, since one end of the moving cable hangs down directly from the control box mounted on the ceiling with a part protruding from the edge of the car's ceiling, the car-side hanging hand is not required, and the manufacturing cost and car weight are reduced. It is possible to reduce the production cost.

[Brief description of drawings]

FIG. 1 is a cross-sectional plan view showing a first embodiment of the present invention.

FIG. 2 is a right side view in which the height direction of FIG. 1 is divided and a landing is omitted.

FIG. 3 is an enlarged view of a part III in FIG.

FIG. 4 is an enlarged perspective view of the car floor of FIG. 1.

5 is an enlarged front view showing the lower portion of the car door device of FIG. 1. FIG.

FIG. 6 is an explanatory view showing an enlarged main part of FIG.

7 is an enlarged plan view of the left end portion of the threshold of FIG.

FIG. 8 is a view showing a second embodiment of the present invention, and is a perspective view of a door pocket side end portion of a sill in a car door device.

FIG. 9 is a view corresponding to FIG. 3 showing a third embodiment of the present invention.

FIG. 10 is a cross-sectional plan view showing a conventional small elevator device.

FIG. 11 is a front view showing a height direction of FIG.

12 is a right side view of FIG.

[Explanation of symbols]

1 hoistway, 2 car, 3 lower beam, 4 car floor, 5 ceiling, 9 car door device, 10 sill, 11 car door,
12 halls, 13 hall units, 17 hoisting machines, 19
Guide rails, 21 pulleys, 23 main ropes, 25 control boxes, 27 moving cables, 30 upper shock absorbers, 32 floor plates, 33 bending parts, 34 fasteners, 37 positioning through holes, 38 guide grooves, 40 widened parts, 41 bracket,
43 landing unit support piece, 44 mounting arm, 46 end member.

Claims (11)

[Claims] 1. A car provided in a hoistway, a hoisting machine provided at a lower end of the hoistway, a landing provided in the hoistway and facing the doorway of the car, and a stand provided in the hoistway. And guide rails that are respectively disposed near both sides of the car near the landing to guide the ascending / descending of the car, and one ends thereof are respectively disposed on both sides of the car and are pivotally attached to the upper part of the hoistway. The main rope wound around the pulley and the other end is wound around the hoisting machine, and the lower end of the car is arranged corresponding to the center of gravity of the car in the horizontal plane. And a lower beam that is connected to the car and supports the car. 2. The small elevator apparatus according to claim 1, further comprising guide members attached to both edges of the ceiling of the car and both ends of the lower beam, respectively, and movably engaged with guide rails. . 3. A bracket whose one end is fixed to a guide rail and extends along an open car door provided on the car, is bent in the landing side direction, and has the other end fixed to a hoistway on the landing side. The small elevator apparatus according to claim 1, wherein the small elevator apparatus is provided. 4. One end is fixed to a guide rail, extends along an open car door provided on the car, is bent in the landing side direction, and the other end is fixed to a landing unit installed on the landing side. The small elevator apparatus according to claim 1, further comprising a landing unit supporting piece. 5. The car door device provided on the car is directly attached to the ceiling of the car.
The small elevator device described. 6. The small elevator apparatus according to claim 1, further comprising an upper shock absorber mounted on a mounting arm projecting from the guide rail and arranged to face an upper surface of a lower beam of the car. 7. The small elevator apparatus according to claim 1, further comprising a car floor of a car configured by fastening a plurality of floor plates to each other through respective bending portions by fasteners. 8. The small elevator apparatus according to claim 1, further comprising a car floor of a car having a positioning through hole at a position corresponding to the lower beam bending portion of the floor plate. 9. An end portion of a sill of a car door device provided on the car on the door pocket side is set to be shorter than the fully opened position of the car door, and the end is curved to be gently widened. A widened portion of the guide groove is provided.
The small elevator device described. 10. The small elevator apparatus according to claim 9, further comprising an end member made of a viscoelastic material, which is provided at an end portion of the sill on the door pocket side and has a divergent portion at a tip thereof. 11. A control box, which is mounted on a ceiling of a car such that a part thereof projects from an edge portion of the ceiling and one end of a moving cable directly hangs down, is provided. Small elevator device.