TW201615532A - A machine room-less elevator refurbishing method - Google Patents

Abstract

The present invention provides a machine room-less elevator refurbishing method for re-using a plurality of instruments and disposing a winder having different mounting size and contour size from the one before refurbishing. The machine room-less elevator refurbishing method of the present invention disposes a new winder 21 having a driving sheave 23 on an upper support 13 after detaching a counter weight loopback wheel 15 from the upper support 13. In addition, a new cage pulley device 31 having a first cage pulley 33a and a second cage pulley 33b is mounted to a cage 1. When viewing the cage 1 from immediately above, the first cage pulley 33a and the second cage pulley 33b of the new cage pulley device 31 are arranged: on a straight line that is tilt to a straight line connected between a first cage guiding rail 8a and a second cage guiding rail 8b.

Description

Modification method without mechanical room elevator

The present invention relates to a method for reforming a mechanical-free elevator that is provided with a mechanical room elevator in which a hoisting machine is provided with a hoist in a lower portion of the hoistway, and a machineless elevator having a hoist is provided in an upper portion of the hoistway.

A conventional method of retrofitting an elevator is to install a car body pulley on an upper portion of an existing car body, and to attach a weight pulley to an upper portion of the existing counterweight. In addition, the hoist is removed from the mechanical table provided in the machine room. Furthermore, a new hoist and end bracket are placed on the machine table. Then, the main cable is wound around the hoist, the car pulley, and the weight pulley, and both ends of the main cable are connected to the end bracket (refer to, for example, Patent Document 1)

(previous technical literature) (Patent Literature)

Patent Document 1: Japanese Patent Laid-Open Publication No. 2001-220078

The modification of the elevator with the type of mechanical room in the above manner Since the new hoist is installed on the existing mechanical table, it is relatively easy to change the mounting size and outer dimensions of the hoist. On the other hand, in the conventional machineless elevator, since the size in the hoistway is strictly regulated, the hoist having the same mounting size and outer dimensions as the hoist before the retrofit is placed at the same position as before the modification. In addition, the installation of the hoisting machine with different installation dimensions and external dimensions than before the retrofitting is a method of removing and re-setting all the equipment in the hoistway, so the renovation period becomes quite long.

The present invention has been made to solve the above-mentioned conventional problems, and an object of the present invention is to provide a method for reforming a machineless elevator that can accommodate a plurality of appliances and can be provided with a hoist having a different mounting size and outer dimensions than before the modification.

The method for renovating a machineless elevator of the invention is used for modifying a modification method of a machineless elevator, which comprises: a box body, a counterweight, a suspension box body and a weight lifting body, and is arranged on the lifting a hoist provided by the lower part of the road and moving the box and the counterweight in the vertical direction through the hanging body, an upper support provided on the upper part of the hoistway, and an upper part provided on the upper support and wound with the hanging body a returning wheel, and the method for modifying the non-mechanical room elevator includes: a returning wheel removing step of detaching the upper returning wheel from the upper support body, a hoist setting step of arranging a new hoist having a driving sheave on the upper support body, and having The new case pulley device of the first and second case pulleys is attached to the case pulley mounting device of the case, and the first case of the new case pulley device is viewed when the case is viewed from directly above. The second tank pulley system is disposed on a straight line that is inclined with respect to a straight line connecting the first and second tank guide rails of the guide casing.

According to the modification method of the mechanical roomless elevator of the present invention, since the new hoisting machine is disposed on the upper support body by detaching the upper returning wheel from the upper support body, most of the appliances can be used, and the installation size and outer shape can be set and modified. Different front winches.

1‧‧‧ cabinet

2‧‧‧weight

3‧‧‧ hanging body

4‧‧‧ Lifting Road

5‧‧‧The existing winch

6‧‧‧Wheel body

7‧‧‧ drive sheave

8a‧‧‧1st box rail

8b‧‧‧2nd box rail

9a‧‧‧1st weight guide

9b‧‧‧2nd weight guide

11a‧‧‧1st box pulley

11b‧‧‧2nd box pulley

12‧‧‧weight pulley

13‧‧‧Upper support

13a‧‧‧1st upper beam

13b‧‧‧2nd upper beam

13c‧‧‧3rd upper beam

13d‧‧‧4th upper beam

14‧‧‧Box return wheel

15‧‧‧Heavy weight return wheel (upper return wheel)

17‧‧‧ box

17a‧‧‧Box box

17b‧‧‧Upper box

17c‧‧‧ vertical box

18‧‧‧Box body

18a‧‧‧Box floor

21‧‧‧New winch

22‧‧‧Wheel body

23‧‧‧ drive sheave

24a, 24b‧‧‧ hoisting machine

31‧‧‧New box pulley unit

32‧‧‧Lift box

32a‧‧‧Lower frame beam

32b‧‧‧Like frame beam

33a‧‧‧1st box pulley

33b‧‧‧2nd box pulley

41a, 41b‧‧‧ box floor support frame

42‧‧‧Emergency stop box

Fig. 1 is a plan view showing the outline of a machine roomless elevator before the modification of the first embodiment of the present invention.

Fig. 2 is a front view showing the outline of the machineless elevator of Fig. 1.

Fig. 3 is a schematic perspective view showing a support structure of a box returning wheel and a weight returning wheel.

Fig. 4 is a schematic plan view showing a state after the modification of the machineless elevator of Fig. 1;

Fig. 5 is a front view showing the outline of the machineless elevator of Fig. 4;

Fig. 6 is a schematic perspective view showing a support structure of a new hoist according to Fig. 5.

Fig. 7 is a schematic perspective view showing a mounting structure of a new box pulley device of Fig. 4.

Fig. 8 is a schematic cross-sectional view taken along line VIII-VIII of Fig. 4.

Fig. 9 is a perspective view showing a schematic view of a modification of the support structure of the new hoist according to Fig. 5.

Fig. 10 is a plan view showing the outline of the modified elevator modified by the modification method of the machineless elevator according to the second embodiment of the present invention.

Fig. 11 is a perspective view showing the outline of the support structure of the hoisting machine of Fig. 10.

Fig. 12 is a perspective view showing the mounting structure of the cabinet pulley device of the elevator which has been modified by the modification method of the machineless elevator according to the third embodiment of the present invention.

Hereinafter, the form for carrying out the invention will be described in detail with reference to the drawings.

Embodiment 1

Fig. 1 is a plan view showing the outline of a machineless elevator before the modification according to the first embodiment of the present invention, and Fig. 2 is a front view showing the outline of the machineless elevator of Fig. 1. In the figure, the case 1 and the counterweight 2 are suspended by the hanging body 3 in the hoistway. The hanging body 3 can use a plurality of steel cables or a plurality of strips. Further, the hanging body 3 is omitted in Fig. 1 .

The counterweight 2 is disposed so as to be disposed rearward of the casing 1 as viewed from the riding position so as to face the back surface of the casing 1 at the same height as the casing 1. Moreover, when viewed from the upper side, the weight 2 is disposed on one side (the right side in the first drawing) with respect to the center of the width direction of the casing 1 (the horizontal direction in the first drawing).

A lower portion of the hoistway 4, that is, a recess in the hoistway 4, is provided with a hoist 5, which is a hoist. The hoisting machine 5 moves the casing 1 and the weight 2 in the vertical direction through the hanging body 3. Also, winch 5 The hoist body 6 and the drive sheave 7 are provided. The hoist body 6 has a motor that rotates the sheave 7, and a brake that brakes the rotation of the sheave 7. The hanging body 3 is wound around the sheave 7.

Further, the hoist 5 can use a long hoist having an axial dimension larger than a dimension perpendicular to the axial direction. Moreover, when viewed from the upper side, the axis of the hoisting machine 5 is arranged obliquely with respect to the center line in the width direction of the casing 1.

When viewed from the upper side, most of the hoisting machine 5 is disposed at a corner portion on the side opposite to the side closer to the counterweight 2 among the two corner portions of the rear portion of the casing 1 so as to overlap the casing 1. Directly below. However, when viewed from directly above, the pulled-out portion of the hanging body 3 of the drive sheave 7 does not overlap the case 1.

The first and second tank guide rails 8a and 8b that guide the housing 1 to move in the vertical direction and the first and second counterweights that guide the counterweight 2 to move in the vertical direction are provided in the hoistway 4; Guide rails 9a, 9b. The box rails 8a and 8b are disposed on both sides of the casing 1 in the intermediate portion in the front-rear direction (the vertical direction in the first drawing) of the casing 1. Moreover, when viewed from the upper side, the box rails 8a and 8b are arranged such that the direction of the straight line connecting the box rails 8a and 8b coincides with the width direction of the casing 1.

The first and second case pulleys 11a and 11b belonging to the existing box pulley are provided at the lower portion of the casing 1. When the casing 1 is viewed from the upper side, the casing pulleys 11a and 11b are disposed apart from each other on a straight line parallel to the line connecting the casing rails 8a and 8b. A counterweight pulley 12 is provided on the upper portion of the counterweight 2. Box pulleys 11a, 11b and weight pulley 12 are arranged The rotation axis of the pulleys is horizontal and at right angles to the width direction of the casing 1.

As shown in Fig. 2, an upper support body 13 is provided at an upper portion of the inside of the hoistway 4. The upper support body 13 is supported by the case rails 8a, 8b and the weight guide rails 9a, 9b. The box returning wheel 14 and the counterweight returning wheel 15 are respectively provided as the upper returning wheel and are provided in the upper support body 13.

When viewed from directly above, the casing returning wheel 14 is disposed between the drive sheave 7 and the second casing sheave 11b. Further, the rotation axis of the casing returning wheel 14 is disposed horizontally and parallel to the width direction of the casing 1.

When viewed from directly above, the weight returning pulley 15 is disposed between the drive sheave 7 and the weight pulley 12. Further, the weight returning pulley 15 is disposed such that its rotation axis is horizontal and at right angles to the width direction of the casing 1.

Although not shown, a box-side cable tie is provided at a portion between the box rail 8a of the upper support 13 and the weight rail 9a. The first end of the hanger 3 is connected to the box side cable tie. A weight side cable tie 16 is provided at a portion between the weight returning pulley 15 of the upper support body 13 and the weight guide rail 9a. The first end of the hanger 3 is connected to the weight side cable tie 16.

The hanging body 3 sequentially winds the first case pulley 11a, the second case pulley 11b, the case returning wheel 14, the drive sheave 7, the counterweight returning wheel 15, and the counterweight sheave 12 from the first end. And reached the second end. That is, the elevators of Figs. 1 and 2 are 2:1 rope-type elevators.

The casing 1 has a box frame 17 and a box body 18 supported by the box frame 17. As shown in Fig. 2, the box frame 17 has a lower case frame 17a that receives the case body 18 from below, an upper case frame 17b that is disposed above the case body 18, and both sides in the width direction of the case body 18. The lower box frame 17a and the upper box frame 17b are connected to each other, and the first and second box rails 8a and 8b are opposed to the pair of vertical box frames 17c. The first and second tank pulleys 11a and 11b are provided in the lower casing frame 17a. The front side of the box body 18 is provided with a box entrance and exit which is opened and closed by a pair of box doors. The lower casing frame 17a carries the casing floor 18a of the casing body 18.

Fig. 3 is a perspective view showing a schematic view of a support structure of the casing returning wheel 14 and the weight returning pulley 15 of Fig. 2; The upper support body 13 has first to fourth upper beams 13a to 13d which are horizontally arranged. The first and second upper beams 13a and 13b are arranged in parallel with the width direction of the casing 1, and the third and fourth upper beams 13c and 13d are arranged perpendicular to the width direction of the casing 1. The third upper beam 13c is fixed to the first case rail 8a, and the fourth upper beam 13d is fixed to the second case rail 8b. The first and second upper beams 13a and 13b are fixed to the third and fourth upper beams 13c and 13d in a state of being disposed across the third and fourth upper beams 13c and 13d. Further, the first and second upper beams 13a and 13b are disposed at right angles to the width direction of the casing 1, and are disposed at intervals in the horizontal direction, that is, in the depth direction of the casing 1.

The box side wire tie system is provided on the third upper beam 13c, and the weight side wire tie system 16 is provided on the first and second upper beams 13a and 13b. The casing returning wheel 14 is disposed at a lower portion of the fourth upper beam 13d. Counterweight return The wheel 15 is supported by the first and second upper beams 13a and 13b, and the lower portion of the weight returning wheel 15 is disposed in a space between the first and second upper beams 13a and 13b.

Next, a modification method of the above-described conventional machineless elevator without a machine will be described. Fig. 4 is a schematic plan view showing a state after the modification of the machineless elevator of Fig. 1; Fig. 5 is a front view showing the outline of the machineless elevator of Fig. 4; In the modification method of the first embodiment, the weight returning pulley 15 is first removed from the upper support body 13 (returning wheel removal step). Thereafter, a new hoisting machine 21 (winding machine setting step) is provided at a position where the counterweight returning wheel 15 is attached to the upper support body 13, and a new tank pulley device 31 is attached to the casing 1 (the casing pulley device is installed). step). Thereafter, the case 1 and the counterweight 2 are suspended by the hanging body 3 (hanging step).

The new hoisting machine 21 is a thin hoist having an axial dimension smaller than that perpendicular to the axial direction. Furthermore, the new hoisting machine 21 has a hoist body 22 and a drive sheave 23. The hoist body 22 has a motor that rotates the drive sheave 23 and a brake that brakes the rotation of the drive sheave 23 . The new hoisting machine 21 is disposed such that the rotation axis of the drive sheave 23 is horizontal and perpendicular to the width direction of the casing 1.

As can be seen from the comparison between Fig. 1 and Fig. 4, in the hoisting step of this example, when the new hoisting machine 21 is viewed from directly above, the driving sheave 23 will be directed toward the casing 1 side of the hoisting body 3 and the counterweight, respectively. The position of the drawing portion on the two sides is set to be the same as the position of the weight returning roller 15 before being detached from the upper supporting body 13 toward the casing 1 side of the hanging body 3 and the drawing portion of the weight 2 side. That is, the hoist setting step of this example, watching the new from the top In the case of the hoisting machine 21, the positions of both end portions in the width direction of the drive sheave 23 are set to be the same as the positions of both end portions in the width direction of the weight returning pulley 15.

Fig. 6 is a schematic perspective view showing a support structure of a new hoisting machine 21 of Fig. 5. The hoisting machine body 22 is supported by the second upper beam 13b, and the driving sheave 23 is disposed directly above the space between the first and second upper beams 13a and 13b. Thereby, the portion pulled downward from the drive sheave 23 of the hanger 3 passes through the space between the first and second upper beams 13a and 13b.

Further, as shown in Fig. 4, the new box pulley device 31 has a pulley frame 32 horizontally attached to the upper frame 17b of the casing 1, and first and second casings which are separated from each other and disposed on the pulley frame 32. Pulleys 33a, 33b.

When the case 1 is viewed from the upper side, the new pulley frame 32 is disposed to be inclined with respect to a line connecting the first and second case rails 8a and 8b. Thereby, when the case 1 is viewed from the upper side, the new first and second case pulleys 33a and 33b are separated from each other and are disposed to be inclined with respect to the line connecting the first and second case guides 8a and 8b. On the straight line.

The first tank pulley 33a is provided at one end portion of the pulley frame 32 in the longitudinal direction, and the second tank pulley 33b is provided at the other end portion of the pulley frame 32 in the longitudinal direction. When the case 1 is viewed from the upper side, the first and second case pulleys 33a and 33b are disposed opposite to each other with respect to the straight line connecting the first and second case guides 8a and 8b. Thereby, the second case pulley 33b when the case 1 is viewed from the upper side is disposed closer to the drive sheave 23 than the first case pulley 33a. The individual rotation axes of the first and second tank pulleys 33a and 33b are horizontal and parallel to each other. Also, watch the box from directly above In the case of the body 1, the individual rotation axes of the first and second case pulleys 33a and 33b are inclined with respect to the straight line connecting the first and second case rails 8a and 8b.

Fig. 7 is a perspective view showing the outline of the mounting structure of the new box pulley device 31 of Fig. 4. Fig. 8 is a schematic cross-sectional view taken along line VIII-VIII of Fig. 4. The pulley frame 32 has a pulley frame lower beam 32a and a pulley frame upper beam 32b that sandwich the upper frame 17b of the casing 1 from above and below. The pulley frame lower beam 32a is in contact with the lower surface of the upper box frame 17b by the space between the upper box frame 17b and the box body 18. The pulley frame upper beam 32b is in contact with the upper surface of the upper box frame 17b. Further, the pulley frame upper beam 32b is detachably fixed to the pulley frame lower beam 32a. The pulley frame lower beam 32a and the pulley frame upper beam 32b are fixed to the intermediate portion of the upper box frame 17b by the locking of a plurality of bolts.

The hanging body 3 is sequentially wound from the first end portion connected to the case side cable tie to the new first case pulley 33a, the new second case pulley 33b, the new drive sheave 23, and the counterweight pulley. 12, and reach the second end connected to the weight side cable tie 16. That is, the elevators of Figs. 4 and 5 are also 2:1 roping elevators.

In the modified elevator, the position of the weight side cable tie 16 is the same as that before the modification, but the position of the cable side buckle of the box side is different from that before the modification. In the modified elevator of this example, the position of the box side cable tie of the third upper beam 13c is set to be farther from the first weight guide rail 8a than the first box rail 8a. Further, in the modified elevator of this example, not only the counterweight returning wheel 15 but also the existing hoisting machine 5, the first and second casing pulleys 11a and 11b and the existing casing returning wheel 14 are also lifted and lowered. Road 4 was removed. The other components are the same as before the renovation, but can be replaced as needed. device of.

In the modification method of the machineless elevator, the weight pulley 15 is detached from the support body 13 in the upper portion of the hoistway 4, the new hoisting machine 21 is placed on the upper support body 13, and the new tank pulley device 31 is installed. When the case 1 is viewed from the upper side of the case 1, the new first and second case pulleys 33a and 33b are arranged to be inclined with respect to a line connecting the first and second case guides 8a and 8b. In the straight line, a large number of appliances can be used, and a hoisting machine 21 having a different mounting size and outer shape than that before the modification can be provided. Thereby, the latest hoisting machine 21 can be used and the shortening of the renovation period can be achieved. Further, by changing the positions of the first and second case pulleys 33a and 33b before the modification, the hanging body 3 can be hung by the hanging body 3 without being wound around the case returning wheel 14 and the weight returning wheel 15. Hang the box 1 and the counterweight 2. Thereby, the path of the hanging body 3 can be made simpler and shorter than before the reforming, and the long service life and cost of the hanging body 3 can be reduced.

Moreover, since the box pulley device 31 is attached to the upper box frame 17b of the casing 1, the box pulley device 31 can be easily attached to the casing 1.

Further, since the hoisting machine 21 can be disposed in the upper portion of the hoistway 4, the hoisting machine 21 is not wetted even if the recess is flooded.

Furthermore, since the thin winch is used as the new hoisting machine 21, the hoisting machine 21 can be easily installed in the space in which the counterweight returning wheel 15 is provided.

Further, in the sixth drawing, the hoisting machine 21 is directly provided on the second upper beam 13b. However, as shown in Fig. 9, a pair of hoisting machines 24a and 24b may be placed between the first and second upper beams 13a and 13b. Hoist A hoisting machine 21 is provided on the machines 24a and 24b. That is, the hoisting machine 21 may be provided on the first and second upper beams 13a and 13b by the hoisting machines 24a and 24b. In this case, the load applied to the hoisting machine 21 can be dispersed to the first and second upper beams 13a and 13b, and the stress generated in the first and second upper beams 13a and 13b can be adjusted before the reforming.

Embodiment 2

Fig. 10 is a plan view showing the outline of the modified elevator modified by the modification method of the machineless elevator according to the second embodiment of the present invention. Further, Fig. 11 is a perspective view showing a schematic view of a support structure of the hoisting machine 21 of Fig. 10. In the hoisting machine installation step of the present embodiment, when the new hoisting machine 21 is viewed from directly above, the position of the hanging portion of the hanging body 3 of the driving sheave 23 toward the weight 2 side is set to be the upper supporting body 13 The position of the pull-out portion of the hanging body 3 on the side of the weight 2 before the disassembly is the same, and the portion of the hanging body 3 of the drive sheave 23 toward the pull-out portion of the side of the case 1 The position is set to be closer to the position of the casing 1 than the position of the pull-out portion on the side of the casing 1 of the hanging body 3 of the weight returning pulley 15 before being detached from the upper support body 13.

As shown in Fig. 11, the elevator after the modification of this example is such that the hoisting machine main body 22 is placed between the first and second upper beams 13a and 13b, and the new hoisting machine 21 is attached to the upper support body 13. Thereby, the new hoisting machine 21 is arranged such that the rotation axis of the drive sheave 23 is horizontal and inclined with respect to the width direction of the casing 1.

The drive sheave 23 is disposed directly above the second upper beam portion 13b. square. Further, the portion of the hanger 3 that is pulled downward from the drive sheave 23 toward the weight 2 passes through the space between the first and second upper beams 13a and 13b, and is moved downward from the drive sheave 23 toward the casing 1. The portion of the hanging body 3 that is pulled out passes through the space closer to the casing 1 than the second upper beam 13b. The other steps of the modification method without the machine room elevator and the other configuration of the elevator after the modification are the same as those of the first embodiment.

When the new hoisting machine 21 is installed in the upper support body 13, the new hoisting machine 21 is placed at the position where the driving sheave 23 is pulled toward the casing 1 side of the hanging body 3, and is set to The position of the pull-out portion on the side of the casing 1 of the hanging body 3 of the counterweight returning wheel 15 before being detached from the upper support body 13 is closer to the position of the casing 1, so that it can be located when viewed from directly above. The drawing portion of the hanging body 3 of the driving sheave 23 toward the casing 1 is close to the second tank pulley 33b. Thereby, the stability of the hanging state of the casing 1 by the suspension 3 can be improved.

Embodiment 3

Fig. 12 is a perspective view showing the mounting structure of the cabinet pulley device of the elevator which has been modified by the modification method of the machineless elevator according to the third embodiment of the present invention. A pair of box floor supporting frames 41a and 41b which are disposed apart from each other in the depth direction of the casing 1 are disposed on the lower surface of the casing floor 18a of the casing main body 18, and are disposed on the pair of casing floor supporting frames 41a, Emergency stop box 42 between 41b.

One of the cabinet floor support frames 41a is provided at the front end portion of the cabinet floor 18a, and the other cabinet floor support frame 41b is provided at the box. The rear end portion of the body floor 18a. The pair of cabinet floor support frames 41a and 41b are horizontally arranged along the width direction of the casing 1.

When the cabinet 1 is viewed from directly above, the emergency stop frame 42 is disposed on a straight line connecting the first and second box rails 8a and 8b. Further, the emergency stop frame 42 is fixed to the lower box frame 17a. Further, an emergency stop device (not shown) that individually holds the first and second case rails 8a and 8b and stops the case 1 is provided in the emergency stop frame 42. Each of the cabinet floor support frames 41a, 41b, the emergency stop frame 42, and the emergency stop device were originally left before the modification.

In the pulley mounting step of this example, a new tank pulley device 31 is attached to the lower portion of the casing 1. Specifically, in the pulley mounting step, the new tank pulley device 31 is attached to the emergency stop frame 42 of the casing 1 and each of the cabinet floor support frames 41a, 41b by bolt locking. . In this example, the pulley frame 32 is not divided into a single frame.

In the modified elevator, one end portion of the pulley frame 32 in the longitudinal direction is fixed to the lower surface of one of the box floor supporting frames 41a, and the other end portion of the pulley frame 32 in the longitudinal direction is fixed to the other box floor supporting. The lower surface of the frame 41b fixes the intermediate portion in the longitudinal direction of the pulley frame 32 to the lower surface of the emergency stop frame 42.

When the cabinet 1 is viewed from directly above, the pulley frame 32 is disposed so as to be inclined with respect to each of the cabinet floor support frames 41a and 41b and the emergency stop frame 42. Thereby, when the case 1 is viewed from the upper side, the new first and second case pulleys 33a and 33b are mutually inclined on a straight line inclined with respect to a line connecting the first and second case rails 8a and 8b. Separate to configure.

The first case pulley 33a is provided at one end portion of the pulley frame 32 in the longitudinal direction, and the second case pulley 33b is provided at the other end portion of the pulley frame 32 in the longitudinal direction. When the case 1 is viewed from the upper side, the first and second case pulleys 33a and 33b are disposed on opposite sides of each other with respect to a line connecting the first and second case rails 8a and 8b. Thereby, the second case pulley 33b when the case 1 is viewed from the upper side is provided at a position closer to the drive sheave 23 than the first case pulley 33a. The individual rotation axes of the first and second tank pulleys 33a and 33b are horizontal and parallel to each other. Moreover, when the case 1 is viewed from the upper side, the individual rotation axes of the first and second case pulleys 33a and 33b are inclined with respect to the straight line connecting the first and second case rails 8a and 8b. The other steps of the method for reforming the machineless elevator and the other configurations of the elevator after the modification are the same as those of the first embodiment.

In the modification method of the machineless elevator, since the new tank pulley device 31 is attached to each of the cabinet floor support frames 41a and 41b and the emergency stop frame 42, the new tank pulley device can be easily and firmly installed. 31 is installed in the cabinet 1.

Further, in the above example, the new case pulley device 31 is attached to each of the box floor support frames 41a and 41b and the emergency stop frame 42, but the case pulley device 31 may be attached to each case only. The floor support frames 41a and 41b may be attached to the emergency stop frame 42 only by the box pulley device 31. In this case, the labor and time for the operation of attaching the new box pulley device 31 to the casing 1 can be alleviated.

Further, in each of the above embodiments, the hoisting machine 5 provided, the first and second case pulleys 11a and 11b provided, and the existing box returning wheel are provided. The 14 series is removed from the hoistway 4, but the existing equipment is disposed at a position that does not interfere with the new hoisting machine 21 and the new box pulley device 31. Therefore, the modified elevator may not remove the existing hoist 5, At least one of the first and second tank pulleys 11a and 11b and the existing tank returning wheel 14 are originally reserved locally. In this way, the labor and time for the removal of the existing equipment can be further reduced, and the waste can be reduced.

Further, in each of the above-described embodiments, the hoisting machine 21 is provided such that the drive sheave 23 faces the casing 1 side, but the sheave 23 and the casing 1 may be driven to face the opposite side, that is, the hoist body 22 may be used. The hoisting machine 21 is provided so as to face the side of the casing 1. In this case, maintenance and inspection of the hoist body 22 can be easily performed from the casing 1.

Further, in each of the above embodiments, the weight returning roller 15 is replaced with the new hoisting machine 21, but the casing returning wheel 14 and the new can also be arranged depending on the arrangement of the equipment disposed in the upper portion of the hoistway 4. The hoist 21 is replaced. That is, after the case returning wheel 14 is detached from the upper support body 13, a new hoisting machine 21 can be provided at a position where the upper body support 13 is mounted with the case returning wheel 14. Further, in each of the above embodiments, the long hoist is shown as the existing hoist 5, but the hoist may be a thin hoist.

Further, the configuration of the third embodiment in which the new box pulley device 31 is attached to the lower portion of the casing 1 can be applied to the position ratio of the drawing portion of the hanging body 3 of the driving sheave 23 toward the casing 1 side. The weight returning pulley 15 before the reforming is close to the configuration of the second embodiment of the casing 1.

2‧‧‧weight

8a‧‧‧1st box rail

8b‧‧‧2nd box rail

9a‧‧‧1st weight guide

9b‧‧‧2nd weight guide

12‧‧‧weight pulley

17‧‧‧ box

17b‧‧‧Upper box

18‧‧‧Box body

21‧‧‧New winch

22‧‧‧Wheel body

23‧‧‧ drive sheave

31‧‧‧New box pulley unit

32‧‧‧Lift box

33a‧‧‧1st box pulley

33b‧‧‧2nd box pulley

Claims (5)

The invention relates to a method for renovating a machineless elevator, which is used for modifying a machineless elevator. The non-mechanical room elevator is provided with: a box body, a counterweight, a hanging body and a hanging body of the weight, and is arranged in the lifting road. a lower portion of the hoist that moves the casing and the counterweight in the vertical direction through the hanging body, an upper support that is provided in the upper portion of the hoistway, and an upper support that is attached to the upper support The upper returning wheel of the hanging body, the method for modifying the non-mechanical room elevator comprises: a returning wheel removing step, detaching the upper returning wheel from the upper supporting body; the hoisting machine setting step is driven after the step of removing the returning wheel a new hoist for the sheave is provided on the upper support; and a casing pulley installation step of attaching a new case pulley device having the first and second case pulleys to the case; and viewed from directly above In the case of the case, the first and second case pulleys of the new case pulley device are disposed on the first and second case guides that guide the case Be a straight line connecting the inclined straight line shape. The method for modifying a machineless elevator according to the first aspect of the invention, wherein, in the hoisting device setting step, when the new hoist is viewed from directly above, the hanging body in the driving sheave is The position of the pulled-out portion is set to be the same as that before being detached from the aforementioned upper support body The positions of the pull-out portions of the aforementioned hanging bodies in the aforementioned upper returning pulley are the same. The method for modifying a machineless elevator according to the first aspect of the invention, wherein, in the hoisting device setting step, when the new hoist is viewed from directly above, the hanging body in the driving sheave is a position toward the drawing portion on the weight side is set to be the same as a position of the hanging body on the weight side before the detachment of the upper support body from the upper support body, and a position of the pull-out portion of the driving body toward the casing side of the driving sheave is provided on a side of the casing opposite to the hanging body in the upper returning wheel before being detached from the upper supporting body The position of the pulled-out portion is closer to the position of the aforementioned casing. The method for modifying a machine roomless elevator according to any one of claims 1 to 3, wherein in the step of installing the casing pulley device, the new casing pulley device is mounted to the casing On the box. The method for modifying a machine roomless elevator according to any one of claims 1 to 3, wherein in the step of installing the casing pulley device, the new casing pulley device is mounted to the casing At least one of the emergency stop frame and the box floor support frame of the case.