JP2007137681A - Elevator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an elevator having such a mounting structure that attaches a driving device of a traction type elevator without machine room according to the dimension of a shaft being equal to that of a conventional elevator and supports it firmly. <P>SOLUTION: In this elevator for driving a suspension rope 10 by a traction sheave 9 to elevate, lower, and drive a car 4 and a balance weight 5, the driving device 6 provided with the traction sheave 9 is arranged on supporting beams 3a, 3b for connecting guide rails for car 1a, 1b with guide rails for balance weight 2a, 2b integrally and respectively. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an elevator having an improved support structure for a traction drive device that eliminates the need for a machine room in which the drive device is installed.

  In recent years, for the purpose of eliminating the machine room of the rope type elevator installed at the top of the hoistway due to the problem of the right of sunshine, an elevator with a hoisting machine installed in the gap between the carriage and the hoistway wall has been proposed (Patent Document) 1 and Patent Document 2).

  In Patent Document 1, as shown in FIG. 18, an electric motor is used as the driving device 53, and a car 55 and a counterweight 56 are suspended in a slidable manner. A traction sheave 57 is disposed above the hoistway 54, a car 55 is disposed at one end of a suspension rope 58 wound around the traction sheave 57, and a counterweight 56 is disposed at the other end. Then, the traction sheave 57 is driven by an electric motor, and the driving force is transmitted to the suspension rope 58 by friction between the suspension rope 58 and the traction sheave 57, so that the car 55 and the counterweight 56 are raised and lowered relative to each other. ing. In this structure, since the drive device 53 is large, the conventional machine room is not required by enlarging the hoistway 54, and the drive device 53 is arranged in an empty space of the hoistway 54.

Further, in the example of Patent Document 2, as shown in FIGS. 19A and 19B, the operation principle is basically the same as that of FIG. An electric motor is used as the driving device 53, and the car 55 and the counterweight 56 are suspended in a slidable manner. A traction sheave 57 is disposed at the upper part of the hoistway 54, a car 55 is disposed at one end of a suspension rope 58 wound around the traction sheave 57, and a counterweight 56 is disposed at the other end. The traction sheave 57 is driven by an electric motor, and the driving force is transmitted to the suspension rope 58 by friction between the suspension rope 58 and the traction sheave 57, so that the car 55 and the counterweight 56 are raised and lowered. However, in the structure according to the present system, as a method of disposing the driving device 53 in the empty space of the hoistway 54, the driving device 53 is attached to the balance weight guide rails 59a and 59b via fixing members, and the driving device 53 is also provided. The suspension rope 58 is routed through turning pulleys 60a to 60c for the purpose of disposing in the empty space of the hoistway 54. This arrangement eliminates the need for a conventional machine room.
Japanese Utility Model Publication No. 4-50297 Japanese Patent No. 2593288

  In the example of the driving device support structure in which the driving device is installed in the gap between the top of the hoistway, the hoistway wall and the car described with reference to FIG. 18, the rotation surface of the traction sheave 57 is arranged so as to be orthogonal to the car side surface. Therefore, the size of the gap between the car and the wall has to be larger than that of a normal elevator, and there is a problem that the effective use area of the building is reduced.

  In addition, in another example described with reference to FIG. 19, when the rated load capacity of the car increases, the thickness of the traction sheave 57 increases, so that the car cannot fit into the gap of the hoistway wall. Since the drive device is supported by the guide rail, there is a problem that the load on the guide rail is increased and it is impossible to cope with the increase in the size of the elevator. Further, since the return car is provided in the car, the support structure of the driving device is complicated, the number of parts increases, and there are problems in terms of cost and installation maintenance.

  It is an object of the present invention to attach and firmly support a traction sheave type drive device without a machine room with a hoistway size equivalent to that of a conventional machine room without a protruding portion. The purpose is to provide a structured elevator.

  As shown in FIGS. 1 and 2, the invention described in claim 1 includes a car 4 that moves up and down in the hoistway 31, and car guide rails 1 a and 1 b that guide the raising and lowering of the car 4, A counterweight 5 that moves up and down in the hoistway 31 in the opposite direction to the raising and lowering of the car 4, counterweight guide rails 2 a and 2 b that guide the elevating of the counterweight 5, The traction sheave 9 is arranged at the top and has a traction sheave 9 around which the suspending rope 10 is wound. The hoisting car 4 and the counterweight 5 are moved up and down through the suspension rope 10 by rotating the traction sheave 9. An elevator having a drive device 6, wherein the drive device 6 for hoisting is disposed on an elevator passage of the car 4 as shown in FIG. 3, and the hoisting device 6 for hoisting is shown in a plan view. Some of the braking system 6, characterized in that the overlap with the car 4.

  As shown in FIGS. 1 and 2, the elevator according to claim 2 includes a car 4 that moves up and down by being guided by rails 1 a and 1 b for a car erected on the hoistway 31, and the hoistway 31. A counterweight 5 that is guided by other balance weight rails 2a and 2b that are erected on one side, and that is lifted and lowered, one side suspended from the hoistway 31 and the other side above the countercar 4 5 and a traction sheave 9 around which the suspension rope 10 is wound around and supported by the upper ends of the rails 1a, 1b and 2a, 2b. As shown in FIG. 3, the lower drive has a lower driving surface disposed above the highest position of the car 4 and the counterweight 5, and as shown in FIG. 6 is provided.

  As shown in FIG. 3, the elevator according to claim 3 has the hoisting drive device 6 disposed so that the traction sheave 9 faces the wall surface of the hoistway 31, and the traction sheave 9 is shown in a plan view. Is positioned in the gap between the wall surface of the hoistway 31 and the car 4.

  In the elevator according to claim 4, the hoisting drive device 6 includes a traction sheave 9 and a motor unit that rotates the traction sheave 9, and a part of the motor unit is illustrated in the plan view in the car 4. It is overlaid with.

  In the elevator according to claim 5, as shown in FIG. 6, the elevator has support beams 3 a and 3 b fixed to the tops of the car guide rails 2 a and 2 b, and the hoisting drive device 6 is It is fixed to the support beams 3a and 3b.

  In the elevator according to claim 6, as shown in FIG. 12, the supporting beams 3 a and 3 b for fixing the hoisting drive device 6, and between the support beams 3 a and 3 b and the hoisting drive device 6. The elastic member 20 is provided to elastically support the vertical load of the hoisting drive device 6.

It is characterized by doing.

  In the elevator according to claim 7, as shown in FIG. 13, support members 12 a, 12 b, and 12 c that fix the hoisting drive device 6, and the hoisting drive device that is attached to the support member. 6 are provided with elastic members 20b and 20c for preventing vibrations.

  In the elevator according to claim 8, the car 4 that moves along the guide rails 2a and 2b, the counterweight 5 that moves along the other guide rails 1a and 1b, and the drive device 6 that is arranged in the hoistway 31 are provided. The drive device 6 is fixed to both the guide rails 2a and 2b for the passenger car and the other guide rails 1a and 1b for the counterweight. It is arranged on the supporting beams 3a and 3b.

  In the elevator according to claim 9, the guide rails 2a and 2b for the car extend upward beyond the support beams, as shown in FIG. 4, following the connection with the support beams 3a and 3b. It is characterized by being.

  In the elevator according to claim 10, the guide rails 1a and 1b for counterweight are coupled to the support beams 3a and 3b so as to terminate without exceeding the support beams 3a and 3b, as shown in FIG. Has been.

  In the elevator according to claim 11, the suspension rope 10 is directly guided from the traction sheave 9 to the lower hitch portion 33 of the car 4 and the upper side 32 of the counterweight 5 as shown in FIG. 2. It has been.

  In the elevator according to claim 12, as shown in FIG. 12, the supporting beam 3a, 3b for fixing to the guide rails 1a, 1b and 2a, 2b, the mounting leg 8 of the driving device 6 and the steel member 7 are used for mounting. As shown in FIG. 12, the mounting portion is coupled to the car guide rails 2a and 2b in a vibration damping manner.

  The elevator according to claim 13 is characterized in that the support beams 13a and 13b and the mounting leg 8 are fixedly connected to each other.

  As described above in detail, according to the present invention, the drive device can be arranged in the hoistway without considering a special space at the top of the hoistway, and the elevator can be installed without building a special machine room separately. Can be installed, reducing construction costs, making effective use of space, and short-term construction.

  Hereinafter, an embodiment of a passenger conveyor according to the present invention will be described in detail with reference to the drawings.

  First, the outline | summary of the elevator which is one embodiment of this invention is shown in FIG. 1 thru | or FIG. The elevator according to the present embodiment includes a pair of car guide rails 1a, 1b for guiding the raising / lowering of the car 4 and the counterweight 5 to the hoistway 31 for raising and lowering the car 4 and the counterweight 5, respectively. A pair of counterweight guide rails 2a and 2b are provided.

  The car 4 is composed of a car room 4a on which a passenger rides and a car frame 4b that supports the car room 4a, and includes an entrance / exit part 4c. A pair of support beams 3a and 3b provided across the guide rails are provided on top of the guide rails 1a and 1b for the car and the guide rails 2a and 2b for the counterweight. And the channel steel 7 for mounting the drive device 6 is attached ranging over support beam 3a, 3b.

  The drive device 6 mounted on the channel steel 7 uses a speed reducer composed of a hoisting machine (drive motor), a brake, a frame for supporting them, and a support for fixing to the channel steel 7. There is no gearless driving device, and driving traction sheaves 9 are provided at both ends of the hoisting machine.

  A suspension rope 10 is wound around each of these traction sheaves 9, one end of the suspension rope 10 is connected to the rope hitch portion 32 above the counterweight 5, and the other end is a car frame 4 b below the passenger car 4. It is attached to a hitch portion 33 provided in the through a shackle rod 34. The hitch portion 33 is provided in a total of two positions at the rear side (the counterweight 5 side) as viewed from the entrance / exit portion 4c of the car 4 and at substantially symmetrical positions.

  The counterweight 5 is arranged on the back as viewed from the entrance / exit portion 4 c of the car 4, and the driving device 6 is located at the top of the hoistway 31 on the extension of the counterweight 5 in the up-and-down direction. FIG. 3 is a horizontal sectional view of the elevator according to the first embodiment. As shown in FIG. 3, the drive device 6 has a structure that is long in the width direction when viewed from the entrance and exit. The traction sheaves 9 provided at both ends of the output shaft of the drive motor of the drive device 6 are connected to the hoistway 31. The counterweight 5 is provided near the opposing wall 31a and the adjacent wall 31b adjacent to the counter, and the side surfaces 35a and 35b of the car 4 (the surface on the side adjacent to the surface facing the counterweight 5) and the hoistway In the space between the adjacent wall surfaces 31b of the vehicle 31, the vehicle is disposed outside the horizontal projection section 36 of the car. Further, as shown in FIG. 2, the outer diameter B of the driving device 6 (the outer diameter of the winding motor) is smaller than the diameter A of the traction sheave 9.

  Next, the support structure of the driving device 6 will be described with reference to FIG. In FIG. 4, between the guide rails 1a and 1b for the car that guides the car 4 and the guide rails 2a and 2b for the counterweight that guides the counterweight 5, one support beam 3a on each of the left and right sides is provided. 3b is fixed horizontally at the same height. The guide rails 1a, 1b, 2a, 2b and the support beams 3a, 3b are firmly fixed with bolts and nuts.

  Two groove steels 7 supporting the lower part of the driving device 6 are arranged on the upper surfaces of the pair of left and right support beams 3a, 3b, and mounting legs 8 arranged on the lower part of the driving device 6 of the elevator are placed on the upper surface, and bolts And fix with nuts. A traction sheave 9 for driving the elevator protrudes toward the guide rails 1 a, 1 b, 2 a, 2 b, and a suspension rope 10 that connects the car 4 and the counterweight 5 is wound around both ends of the drive device 6.

  Next, the operation of this embodiment will be described. In FIG. 1, when the drive motor of the drive device 6 rotates according to a command from a control device (not shown), the output shaft connected to the drive device 6 rotates, and the traction sheave 9 arranged at the end rotates. Then, by driving the suspension rope 10, the car 4 moves up and down along the car guide rails 1 a and 1 b in a form that balances with the counterweight 5. At this time, the driving device 6 is firmly fixed to the upper center of the four guide rails 1a, 1b, 2a, 2b with the support beams 3a, 3b and the grooved steel 7, so that the car 4 and the counterweight 5 are safe. Hold on.

  According to the present embodiment, all the weight applied to the driving device 6 is supported by the four guide rails 1a, 1b, 2a, 2b, and the load is transmitted to the lower surface of the hoistway, so that the hoistway structure is burdened. It does not take.

  In addition, since the drive device 6 is installed in a fixed positional relationship composed of the support beams 3a and 3b and the grooved steel 7 around the guide rails 1a, 1b, 2a and 2b, the car 4 and the balance The centering operation can be easily performed while maintaining the positional relationship between the weight 5 and the driving device 6. Further, the drive device 6 may be fixed to the guide rails 1a, 1b, 2a, 2b in advance on the ground, and the drive device 6 may be installed at the same time when the guide rails 1a, 1b, 2a, 2b are unloaded. it can.

  Another embodiment of the present invention is shown in FIG. In FIG. 5, one support beam 3a, 3b is provided between the car guide rails 1a, 1b for guiding the car 4 and the counterweight guide rails 2a, 2b for guiding the counterweight 5, respectively. At least one of them is fixed horizontally at a position off the projection plane directly above the car 4. The guide rails 1a, 1b, 2a, 2b and the support beams 3a, 3b are firmly fixed with bolts and nuts.

  A grooved steel 7 that supports the lower part of the driving device 6 on the upper surface of the pair of supporting beams 3a and supports the side surface of the driving device 6 on the side surface of the supporting beam 3b disposed at a position close to the projection surface directly above the car 4. Are mounted on the upper surface thereof, and mounting legs 8a disposed on the lower side of the elevator driving device 6 are placed on the upper surface, and mounting legs 8b disposed on the side surfaces of the elevator driving device 6 are mounted on the side surfaces of the mounting legs 8a. And stick. A traction sheave 9 for driving the elevator protrudes toward the guide rails 1 a, 1 b, 2 a, 2 b, and a suspension rope 10 that connects the car 4 and the counterweight 5 is wound around both ends of the drive device 6.

  In FIG. 5, when the drive motor of the drive device 6 rotates according to a command from a control device (not shown), the drive shaft connected to the drive device 6 rotates, and the traction sheave 9 arranged at the end rotates. Then, by driving the suspension rope 10, the car 4 moves up and down along the car guide rails 1 a and 1 b in a form that balances with the counterweight 5. At this time, the driving device 6 is firmly fixed to the upper center of the four guide rails 1a, 1b, 2a, 2b with the support beams 3a, 3b and the grooved steel 7, so that the car 4 and the counterweight 5 are safe. Hold on.

  According to this embodiment, since the mounting leg 8b of the driving device 6 on the side of the car 4 is on the side of the driving device 6, the height at which the car 4 moves up and down is set at the lower part of the driving device 6 at the mounting leg 8a, Compared with the case where there is 8b, the height of the mounting leg 8b can be raised, and the hoistway space can be used effectively.

  Next, still another embodiment of the present invention is shown in FIG. 6 and FIG. 7 developed for each part. The support beams 3a and 3b of the driving device 6 are installed on the upper end surface 1c of the guide rails 1a, 1b, 2a and 2b of the car 4 and the counterweight 5. The reinforcing plate 14 is fixed with bolts and nuts on the back of the guide rails 1a, 1b, 2a, 2b so that both ends are supported by the left and right support beams 3a, 3b, and the bolts are fixed to the support beams 3a, 3b. And the grooved steel 7 is fixed with a nut, and the driving device 6 is arranged on the upper surface of the grooved steel 7.

  In the above-described configuration, all the loads of the driving device 6 itself, the car 4, and the counterweight 5 applied to the driving device 6 are applied and held vertically below the upper end surface 1c of the guide rails 1a, 1b, 2a, 2b. A suspension rope (not shown) is wound around the traction sheaves 9 arranged at both ends of the driving device 6, and the car 4 can be driven in the same manner as in the first embodiment.

  According to this embodiment, since all loads applied to the drive device 6 are applied perpendicularly to the upper end surface 1c of the guide rails 1a, 1b, 2a, 2b, the moment force applied to the guide rails 1a, 1b, 2a, 2b is The stress generated on the end surfaces of the guide rails 1a, 1b, 2a, 2b is reduced. Further, in the above-described embodiment in which the support beams 3a and 3b are fixed on the side surfaces of the guide rails 1a, 1b, 2a and 2b, a shear load is applied to the fastening bolt. Can be reduced in size. Moreover, the drive apparatus 6 can be easily installed in a horizontal position by managing the length of the four guide rails 1a, 1b, 2a, and 2b in the manufacturing factory.

  FIG. 8 shows another embodiment of the present invention. Fixing plates 11a and 11b are fixed to the upper end surface 1c of the guide rails 1a, 1b or 2a, 2b for the car 4 or the counterweight 5. The fixing method is performed by welding or using an inverted L-shaped metal fitting 21. A groove steel 7 for receiving the driving device 6 is installed on the upper surface.

  In this embodiment, the driving device 6 supports the load with two guide rails 1a, 1b or 2a, 2b for the car 4 or the counterweight 5. According to the present embodiment, the installation work of the support beams 3a and 3b described in the first to third embodiments is not required, so that the structure is simpler, the manufacturing cost is reduced, and the installation work is simplified. Peeled off. Moreover, the freedom degree of arrangement | positioning of the drive device 6 improves by changing the magnitude | size of the fixed plates 11a and 11b.

  Next, still another embodiment of the present invention is shown in FIG. A support member 12 configured in an L shape is suspended from the upper end of the guide rails 1a, 1b or 2a, 2b for the car 4 or the counterweight 5, and is horizontally supported in contact with the upper ends of the guide rails 1a, 1b or 2a, 2b. A vertical load is supported by the member 12a. A front support member 12c suspended parallel to the tooth surface 2c of the guide rails 1a, 1b or 2a, 2b is provided on the front side of the guide rails 1a, 1b or 2a, 2b at the upper and lower ends of the guide rails 1a, 1b. Or it fixes with the tooth surface of 2a, 2b and the through bolt 14. FIG. A driving device 6 that drives the car 4 via a suspension rope (not shown) wound around the car 4 and the counterweight 5 on the vertical surface of the front support member 12c of the guide rails 1a, 1b or 2a, 2b. Is fixed by fastening members such as bolts or welding. As a fixing method, a U-shaped support member 12 is suspended, and in addition to the horizontal support 12a, the guide rails 1a, 1b or 2a, 2b are provided on the back side of the guide rails 1a, 1b. Or you may fix with the volt | bolt 13 through the tooth surface 2c of 2a, 2b, and the back surface supporting member 12b.

  In the above configuration, the operation will be described taking the case of the L-shaped support member 12 as an example. The horizontal support member 12a provided at the upper end of the front support member 12c transmits the load of the driving device 6, the car 4, and the counterweight 5 to the guide rails 1a, 1b or 2a, 2b. The support member 12c in front of the guide rails 1a, 1b or 2a, 2b receives the moment from the drive device 6 and prevents the support member 12 from tilting. Further, the front support member 12c supports the driving device 6. This is the same as in the case of the U-shaped support member 12 except that the moment from the drive device 6 is different even on the back surface.

  According to this embodiment, the drive device 6 can be installed in the hoistway only by being suspended on the pair of guide rails 1a, 1b or 2a, 2b, so that the installation work can be simplified and at the same time the guide rails 1a, 1b. Alternatively, the driving device 6 can be fixed in the hoistway by the fixed support members 12, 12 a, 12 b, and 12 c regardless of the installation size between 2 a and 2 b.

  Next, the embodiment shown in FIG. 10 will be described. An L-shaped support member 12 is suspended from the upper end of the guide rails 1a, 1b or 2a, 2b for the car 4 or the counterweight 5, and the horizontal member 15 is fixed to the upper surface of the support member 12, and the other end. Is fixed to the upper part of the other guide rails 2a, 2b or 1a, 1b.

  In this embodiment, it has a function of transmitting loads such as a car 4 and a counterweight 5 applied to the driving device 6 to other guide rails facing each other. Even in the case of the U-shaped support member 12, it has the same function.

  According to this embodiment, even when the weight of the car 4, the counterweight 5, etc. is increased, the bending load generated by the moment of the load can be transmitted to the other guide rails, so that the strength is about 2 The drive device can be firmly fixed. Even during an earthquake, the load is distributed by the four guide rails 1a, 1b and 2a, 2b, so that safety is improved.

  Next, the embodiment shown in FIG. 11 will be described. An L-shaped support member 16 is fixed to an upper wall 19 of the hoistway with an anchor bolt 17. The grooved steel 7 that supports the driving device 6 is installed on the horizontal surface above the support member 16, and the driving device 6 is fixed thereon. A reinforcing member 18 is provided on the support member 16.

  According to this embodiment, all loads applied to the driving device 6 are supported by the hoistway wall 19. In the case of this embodiment, if the hoistway wall 19 is reinforced concrete, it can be installed at an arbitrary position of the hoistway wall 19. Moreover, since it can be installed if there is a gondola or a scaffold before construction of the guide rails 1a, 1b, 2a, 2b at the time of installation, it can be installed at any time in the construction process of the elevator.

  Next, the embodiment shown in FIGS. 12 to 14 will be described. 10 to 12 are modifications of the above-described embodiment. In FIGS. 12 and 14, the grooved steel 7 supporting the driving device 6 and the support beams 3a and 3b or the support member 16 are provided. An elastic material 20 such as elastic rubber is provided between them. FIG. 12 shows an embodiment in which the driving device 6 is attached between the guide rails 1 a, 1 b, 2 a, 2 b, and FIG. 14 shows an embodiment in which the driving device 6 is attached to the hoistway wall 19. In FIG. 13, the elastic member 20a is elastic between the horizontal support member 12a and the receiving bracket 21 on the upper part of the guide rails 1a, 1b or 2a, 2b, and the elastic member 20b is elastic between the rear supporting member 12b and the receiving bracket 21. The elastic material 20c is arranged between the material 20b, the front support member 12c and the tooth surfaces of the guide rails 1a, 1b or 2a, 2b, and the guide rails 1a, 1b or The support member 12 is fixed to 2a and 2b. The driving device 6 is fixed to the front support member 12c with bolts or the like.

  In these embodiments, the drive device 6 is supported by vibration isolation between the guide rails 1a, 1b, 2a, 2b or the hoistway wall 19. For this reason, the vibration generated from the drive device 6 during traveling of the elevator does not propagate to the guide rails 1a, 1b, 2a, 2b or the hoistway wall 19, and even if the drive device 6 is installed in the hoistway, The elevator can be used without causing problems such as vibration and noise.

  Next, an embodiment shown in FIG. 15 will be described. The pedestal 22 directly attached to the mounting leg 8 of the driving device 6 is fixed to the hoistway wall 19 with anchor bolts 24 in a form sandwiched between the front and rear by an elastic material 23. The lower portion of the pedestal 22 is supported by a receiving bracket 26 via an elastic member 25, and the receiving bracket 26 is fixed to the hoistway wall 19 by an anchor bolt 27.

  According to this embodiment, the drive device 6 is directly attached to the hoistway wall 19, the load is supported by the receiving metal fitting 26, and the entire drive device 6 is elastically supported by the hoistway wall 19. ing. Since the drive device 6 is directly attached to the hoistway, the area occupied by the drive device 6 is minimized. The vertical load is borne by the metal fitting 26 and transmitted to the hoistway. However, since vibration during elevator operation is blocked by the elastic members 23 and 25, quiet operation without noise is possible.

  Next, the embodiment shown in FIGS. 16 and 17 will be described. In FIG. 16, the driving device 6 is disposed at a position where it does not interfere with the horizontal projection surface 28 of the car 4 on the hoistway top of the hoistway rear surface (the rear surface of the car as viewed from the entrance / exit). In particular, the positional relationship with the horizontal projection plane 29 of the counterweight 5 is not specified.

  In FIG. 17, the driving device 6 is disposed on the hoistway top of the hoistway side surface (side surface of the car as viewed from the entrance / exit portion) at a position that does not interfere with the horizontal projection surface 28 of the car 4. In particular, the positional relationship with the horizontal projection plane 29 of the counterweight 5 is not specified. The car 4 and the counterweight 5 are connected by the traction sheave 9 installed at both ends of the drive device 6 via the suspension rope 10, and the car 4 moves up and down in the hoistway by the operation of the drive device 6.

  The suspension rope 10 is fixed at the hitch portion 30 at the lower part of the car 4, and is arranged at a position where it does not interfere with the outer surface of the passenger car. In the present embodiment, when the car 4 moves up and down, the driving device 6 is located outside the projection surface of the car 4, so that even if the car 4 rises, it does not come into contact with the driving device 6. Therefore, the height of the hoistway can be designed and constructed to a minimum if the dimensions are such that the upper part of the car does not interfere with the hoistway top without special consideration of the space for installing the drive device 6 on the hoistway top.

1 is an overall configuration diagram of an elevator according to an embodiment of the present invention. It is a side view which shows the whole structure of the said one Embodiment. It is a horizontal sectional view of the one embodiment. It is a side view which shows the drive device of the elevator in the said one Embodiment. It is a side view which shows the drive device of the elevator of other embodiment of this invention. It is a side view which shows the drive device of the elevator of further another embodiment of this invention. It is a figure which shows the components structure of the drive device of the elevator in the said further another embodiment. It is a figure which shows the components structure of the drive device of the elevator in another embodiment of this invention. It is a side view which shows the drive device of the elevator in another embodiment of this invention. It is a side view which shows the drive device of the elevator of the 6th Embodiment of this invention. It is a side view which shows the drive device of the elevator of the 7th Embodiment of this invention. It is a side view which shows the drive device of the elevator of the 8th Embodiment of this invention. It is a side view which shows the drive device of the elevator of the 8th Embodiment of this invention. It is a side view which shows the drive device of the elevator of the 8th Embodiment of this invention. It is a side view which shows the drive device of the elevator of the 9th Embodiment of this invention. It is a side view which shows the drive device of the elevator of the 10th Embodiment of this invention. It is a side view which shows the drive device of the elevator of the 10th Embodiment of this invention. It is a figure which shows the structure of the conventional machine room-less type elevator. It is a figure which shows the structure of the conventional machine room-less type elevator.

Explanation of symbols

1a, 1b ... guide rails 2a, 2b for the car ... guide rails 3a, 3b ... Sheave 10 ... Suspension rope 11a, 11b ... Fixed plate 12, 16 ... Support member 12a ... Horizontal support member 12b ... Back support member 12c ... Front support member 14 ... Through bolts 17, 22, 24, 27 ... Anchor bolt 18 ... Reinforcement member DESCRIPTION OF SYMBOLS 19 ... Hoistway wall 20, 20a, 20b, 20c, 20d, 23, 25 ... Elastic material 21, 26 ... Bracket 22 ... Base 31 ... Hoistway

Claims (13)

  A car that moves up and down in the hoistway, a guide rail for the car that guides the raising and lowering of the car, a counterweight that moves up and down in the hoistway in the opposite direction to the raising and lowering of the car, and the balance There is a guide rail for a counterweight that guides the lifting and lowering of the weight, and a traction sheave that is arranged at the top of the hoistway and around which the suspension rope is wound. By rotating the traction sheave, An elevator having a hoisting drive device for raising and lowering the car and the counterweight, wherein the hoisting drive device is disposed on an elevating passage of the car and An elevator characterized in that a part of the hoisting drive device overlaps the car.   A car that is guided up and down by a rail for a car standing on a hoistway, a counterweight that is guided by a rail for another counterweight installed on the hoistway, and the elevator A suspension rope suspended on a road and having one side engaged with the car on the other side and the other side engaged with the counterweight, and a traction sheave pivoted by a horizontal axis and wound around the suspension rope, A hoisting drive device which is supported by the upper end portion of the rail and whose lower surface is disposed above the most elevated position of the car and the counterweight, and which is superposed with the car on the horizontal projection plane; Elevator with.   The hoisting drive device is disposed so that the traction sheave faces the wall surface side of the hoistway, and the traction sheave is positioned in a gap between the hoistway wall and the car in a plan view. The elevator according to claim 1.   4. The hoisting drive device comprises a traction sheave and a motor section that rotates the traction sheave, and a part of the motor section is positioned so as to overlap with the car in a plan view. The elevator described.   The elevator according to claim 1, further comprising: a support beam fixed to a top portion of the guide rail for the car, wherein the hoisting driving device is fixed to the support beam.   A support beam for fixing the hoisting drive device; and an elastic material provided between the support beam and the hoisting drive device to elastically support a load in the vertical direction of the hoisting drive device. The elevator according to claim 1.   The support beam for fixing the drive device for hoisting, and an elastic material for anti-vibration attached to the support beam and preventing rolling of the drive device for hoisting are provided. 6. The elevator according to 6.   An elevator having a cab that moves along a guide rail and a counterweight that moves along another guide rail and a drive device disposed in a hoistway, the traction sheave and a suspension rope, the drive device comprising: An elevator characterized in that the elevator is arranged on a support beam fixed to both a guide rail for a car and another guide rail for the counterweight.   The elevator according to claim 8, wherein the guide rail for the car extends upward beyond the support beam following the connection with the support beam.   The elevator according to claim 8, wherein the counterweight guide rail is coupled to the support beam so as to terminate without exceeding the support beam.   The elevator according to claim 8, wherein a suspension rope is led directly from the traction sheave to a hitch portion on a lower side of the car and an upper side of the counterweight.   The support beam for fixing to the guide rail and a mounting leg of the driving device constitute an attachment portion, and the attachment portion is coupled to the guide rail for the car in a vibration-damping manner. Item 9. The elevator according to item 8.   The elevator according to claim 8, wherein the support beam and the mounting leg are fixedly connected to each other.

Images