JP5875470B2 - Elevator rail support device and elevator repair method - Google Patents

Description

  The present invention relates to an elevator rail support device that supports a guide rail that guides the movement of an elevating body (such as a car or a counterweight), and an elevator repair method that changes the position of the guide rail.

  Conventionally, in order to adjust the position of the guide rail that guides the movement of the car and counterweight, long holes have been provided in the wall-side bracket fixed to the inner wall surface of the hoistway and the rail-side bracket that holds the guide rail. A rail mounting device for an elevator has been proposed in which a rail-side metal fitting is fixed to a wall-side metal fitting by tightening a bolt passed through each elongated hole. In a conventional elevator rail mounting apparatus, the position of the guide rail is adjusted by loosening the bolts and adjusting the position of the rail-side bracket relative to the wall-side bracket (see, for example, Patent Documents 1 and 2).

Japanese Patent Laid-Open No. 1-133883 JP-A-5-254756

  Here, for example, an elevator renovation work in which an existing elevator provided with equipment such as a hoisting machine in a machine room different from the hoistway is changed to a new elevator provided with equipment such as a hoisting machine in the hoistway. When the existing elevator hoistway is used as it is, it is necessary to secure a space for arranging equipment such as a hoisting machine in the hoistway. As a method for securing the space in the hoistway, the outer dimension of the car is reduced while securing the horizontal effective area in the car, the position of the counterweight is shifted to one corner in the hoistway, A method of creating a unified space in the hoistway is conceivable. In this case, the position of the guide rail that guides the movement of the car and the counterweight is greatly changed in the horizontal direction.

  In the conventional elevator rail mounting apparatus disclosed in Patent Documents 1 and 2, the position of the rail side bracket relative to the wall side bracket can be adjusted, but the adjustment of the position of the rail side bracket relative to the wall side bracket is long. Since it is performed only within the range of the length of the hole, the adjustment range of the position of the guide rail becomes extremely narrow. Therefore, in the conventional elevator rail mounting apparatus, when the above-described elevator repair work is performed, the position of the guide rail cannot be changed to a desired position. In addition, in order to change the position of the guide rail, it is necessary to newly install a rail mounting device on the inner wall surface of the hoistway, which increases the effort for elevator repair work.

  The present invention has been made to solve the above-described problems, and the adjustment range of the position of the guide rail can be increased in the horizontal direction, so that the effort for repair work of the elevator can be reduced. It is an object to obtain an elevator rail support device and an elevator repair method that can be used.

  An elevator rail support device according to the present invention is an elevator rail support device that supports a guide rail that guides the movement of a lifting body in a hoistway, and is a wall fixed object that is fixed to an inner wall surface of the hoistway, An adapter that has a predetermined length with respect to the direction and includes a vertical rail that is arranged with the width direction aligned with the vertical direction. The adapter is attached to a wall fixture, and is interposed between the back surface of the guide rail and the vertical piece. A rail receiving member provided at a lower end portion of the rail facing portion and engaged with the vertical piece from below, and a rail receiving member to which the guide rail is attached, the vertical piece between the rail facing portion. And a rail receiving member fastening device having a vertical piece side fastener that fastens the rail facing portion and the vertical piece side sandwiched portion above the vertical piece.

  An elevator rail support device according to the present invention is an elevator rail support device that supports a guide rail that guides the movement of the lifting body within the hoistway, and is opposed to the vertical direction and is attached to the inner wall surface of the hoistway. A pair of fixed rails horizontally disposed along the wall fixed object fixed to the inner wall surface of the hoistway, a rail holder holding the guide rail, and a pair of fixed rails between the rail holder And a rail holder fastener that fastens the rail holder and the seat plate while avoiding a pair of fixed rails.

  An elevator repair method according to the present invention is an elevator repair method for changing the position of a guide rail that guides the movement of a lifting body, from an existing wall fixed object fixed to the inner wall surface of the hoistway, to a guide rail Rail removal process for removing the adapter, adapter mounting process for attaching the adapter including a vertical piece having a predetermined length to an existing wall fixture in a state where the longitudinal direction of the vertical piece is horizontal, and a rail receiving member to which the guide rail is attached Rail receiving member disposing step of engaging the rail facing portion of the rail with the vertical piece and engaging the engaging portion provided at the lower end portion of the rail facing portion with the vertical piece from below, the vertical piece side pinching portion and the rail facing portion of the pinching member A pinching member arranging step of placing the pinching member so as to sandwich the vertical piece between the vertical piece side and a vertical piece side fastening step of fastening the rail facing portion and the vertical piece side pinching portion with the vertical piece side fastener above the vertical piece. To have.

  The elevator repair method according to the present invention is an elevator repair method for changing the position of a guide rail that guides the movement of the lifting body, and is an existing wall fixing that is attached to the inner wall surface of the lifting path by an anchor bolt. Removing the existing wall fixed object from the inner wall surface of the hoistway with the anchor bolts left, a new wall fixed object having a pair of fixed rails, with the pair of fixed rails facing each other in the vertical direction and horizontally A new wall fixing object attaching process to be attached to the inner wall surface of the hoistway using the anchor bolt in the arranged state, a rail holding object arranging process for making the rail holding body holding the guide rail face each of the pair of fixed rails, the rail A seat plate arrangement step of arranging a seat plate at a position sandwiching each of the pair of fixed rails with the holder, and the rail holder and the seat plate And a rail holder fastening step of fastening the rail holder fasteners.

  According to the elevator rail support device and the elevator repair method according to the present invention, the adjustment range of the position of the guide rail can be increased in the horizontal direction, and the labor for the repair work of the elevator can be reduced. .

It is a top view which shows the elevator by Embodiment 1 of this invention compared with the existing elevator before repair. It is an enlarged view which shows the II section of FIG. FIG. 3 is a cross-sectional view taken along line III-III in FIG. 2. It is an enlarged view which shows the VI section of FIG. It is a perspective view which shows the cage | basket | car rail support apparatus of FIG. It is a disassembled perspective view which shows the cage | basket | car rail holding body of FIG. It is a perspective view which shows the adapter of FIG. It is sectional drawing along the VIII-VIII line of FIG. It is an enlarged view which shows the IX part of FIG. It is a front view which shows the counterweight side rail support apparatus of FIG. It is sectional drawing along the XI-XI line of FIG. It is a perspective view which shows the counterweight side rail support apparatus of FIG. It is a perspective view which shows the adapter of the rail support apparatus of the elevator by Embodiment 2 of this invention. It is a disassembled perspective view which shows the adapter of FIG. It is a perspective view which shows the cab side rail holding body of the rail support apparatus of the elevator by Embodiment 3 of this invention. It is a disassembled perspective view which shows the rail receiving member and pinching member of FIG. It is a perspective view which shows the cab side rail holding body of the rail support apparatus of the elevator by Embodiment 4 of this invention. It is a disassembled perspective view which shows the rail receiving member and pinching member of FIG.

Embodiment 1 FIG.
FIG. 1 is a plan view showing an elevator according to Embodiment 1 of the present invention in comparison with an existing elevator before repair. In the figure, the elevator according to the present embodiment is a new elevator obtained by renovating an existing elevator using the existing hoistway 1 as it is.

  In the existing elevator before renovation, an existing pair of car guide rails 102 and an existing pair of counterweight guide rails 103 are installed in the hoistway 1. An existing car 104 is disposed between the pair of car guide rails 102, and an existing counterweight 105 is disposed between the pair of counterweight guide rails 103. The counterweight 105 is disposed at a position on the rear side in the depth direction of the hoistway 1 with respect to the car 104 when the hoistway 1 is viewed from above.

  Further, in the existing elevator before renovation, the pair of car guide rails 102 are supported by a plurality of existing car side rail bracket devices (wall fixings) 107 arranged at intervals in the vertical direction of the hoistway 1. A pair of counterweight guide rails 103 are supported by a plurality of existing counterweight-side rail bracket devices (wall fixtures) 108 arranged at intervals in the vertical direction of the hoistway 1. The existing car side rail bracket device 107 is fixed to the first inner wall surface (inner wall surface of the hoistway 1) 1 a along the depth direction of the hoistway 1 by anchor bolts 109. The existing counterweight side rail bracket device 108 is fixed to the second inner wall surface (inner wall surface of the hoistway 1) 1 b along the width direction of the hoistway 1 by the anchor bolt 110.

  Furthermore, in the existing elevator, when the hoistway 1 is viewed from above, the existing hall threshold 111 provided at the lower part of the hall entrance / exit on each floor creates a predetermined gap with the existing car 104. It is arrange | positioned along the width direction of the hoistway 1 in the state.

  Further, in the existing elevator, an existing hoisting machine (existing driving device) that generates a driving force for moving the car 104 and the counterweight 105 is installed in a machine room located above the hoistway 1. . In the existing machine room, in addition to the existing hoisting machine, for example, an existing speed governor for operating an emergency stop device that applies braking force to the car 104 when the speed of the car 104 is abnormal, and the operation of the elevator are controlled. An existing control panel is installed.

  The elevator according to the present embodiment can be obtained by renovating such an existing elevator. Next, a new elevator after repair according to the present embodiment will be described. In the elevator after repair according to the present embodiment, a pair of car guide rails 2 facing each other in the width direction of the hoistway 1 and a pair of counterweight guide rails 3 facing each other in the width direction of the hoistway 1 are lifted and lowered. It is installed in the road 1. In the elevator after the repair, the existing car guide rail 102 is used as the car guide rail 2 as it is, and the existing counterweight guide rail 103 is used as the counterweight guide rail 3 as it is. A new car 4 is disposed between the pair of car guide rails 2, and a new counterweight 5 is disposed between the pair of counterweight guide rails 3.

  The car 4 has a different external shape from the existing car 104. In this example, the dimension of the car 4 in the width direction is smaller than the dimension of the existing car 104 in the width direction. Further, in this example, the front end portion of the car 4 protrudes more on the landing side than the front end portion of the existing car 104 in the depth direction of the hoistway 1. The new landing sill 11 provided at the lower part of the landing doorway extends along the width direction of the hoistway 1 with a predetermined gap between the hoistway 1 and the car 4 when the hoistway 1 is viewed from above. Is arranged. Accordingly, the position of the pair of car guide rails 2 is different from the position of the existing pair of car guide rails 102, and the position of the new landing threshold 11 is different from the position of the existing landing threshold 111.

  The counterweight 5 is disposed at a position on the rear side in the depth direction of the hoistway 1 with respect to the car 4 when the hoistway 1 is viewed from above. The position of the counterweight 5 is shifted to one side in the width direction of the hoistway 1 from the position of the existing counterweight 105. As a result, the position of the pair of counterweight guide rails 5 is different from the position of the existing pair of counterweight guide rails 105.

  A new thin hoisting machine (driving device) 6 that generates a driving force for moving the car 4 and the counterweight 5 is disposed in the hoistway 1 of the elevator after the repair. A suspension body (not shown) such as a rope or a belt for suspending the car 4 and the counterweight 5 is wound around the driving sheave 6 a of the hoisting machine 6. When the driving sheave 6 a is rotated by the driving force of the hoisting machine 6, the car 4 is moved while being guided by the pair of car guide rails 2, and the counterweight 5 is guided by the pair of counterweight guide rails 3. It is moved while.

  The hoisting machine 6 is disposed in a space generated when the counterweight 5 is displaced from the position of the existing counterweight 105 when the hoistway 1 is viewed from above. In this example, the hoisting machine 6 is located at the rear side in the depth direction of the hoistway 1 with respect to the car 4 and the width direction of the hoistway 1 with respect to the car 4 when the hoistway 1 is viewed from above. It is arrange | positioned in the position shifted to the opposite side to the counterweight 5.

  The car guide rails 2 in the new elevator after the renovation are individually supported in the hoistway 1 by a plurality of car side rail support devices (elevator rail support devices) 7 arranged at intervals in the vertical direction. ing. Each of the car-side rail support devices 7 is an existing car-side rail bracket device (car side wall) fixed to the first inner wall surface (inner wall surface of the hoistway 1) 1a along the depth direction of the hoistway 1 by anchor bolts 109. (Fixed object) 107 and a new car side rail holding body 21 which is attached to the car side rail bracket device 107 and holds the car guide rail 2. That is, in the car side rail support device 7, the existing car side rail bracket device 107 is used as it is and is used as a part of the car side rail support device 7.

  Each counterweight guide rail 3 is supported in the hoistway 1 by a plurality of counterweight-side rail support devices (elevator rail support devices) 8 arranged at intervals in the vertical direction. The counterweight side rail support device 8 is a new counterweight side wall fixed that is fixed to a second inner wall surface (inner wall surface of the hoistway 1) 1b along the width direction of the hoistway 1 by an existing anchor bolt 110. A pair of counterweight side rail holders 23 which are respectively attached to the object 22 and the common counterweight side wall fixed object 22 and hold the counterweight guide rail 3 individually, and each counterweight side rail holder 23. Is attached to the counterweight side wall fixture 22.

  2 is an enlarged view showing a portion II in FIG. 1, and FIG. 3 is a sectional view taken along line III-III in FIG. FIG. 4 is an enlarged view showing a VI portion of FIG. 5 is a perspective view showing the car-side rail support device 7 of FIG. 6 is an exploded perspective view showing the car-side rail holder 21 of FIG. 5, and FIG. 7 is a perspective view showing the adapter 31 of FIG. The car-side rail support device 7 is configured by attaching a car-side rail holding body 21 to an existing car-side rail bracket device 107 as a car side wall fixed object.

  The existing car side rail bracket device 107 has a mounting bracket 107a having an L-shaped cross section to which the existing car guide rail 102 can be attached. The car-side rail holding body 21 is attached to the existing car-side rail bracket device 107 with bolts 25 and nuts 26 in a state where the car-side rail holding body 21 is in contact with the vertical surface of the mounting bracket 107a.

  The car-side rail holding body 21 includes an adapter 31 attached to the mounting bracket 107a, a rail receiving member 32 to which the new car guide rail 2 is attached, and a sandwiching member 33 that sandwiches the adapter 31 between the rail receiving member 32. And a fastening device (rail receiving member fastening device) 34 for fastening the rail receiving member 32 and the pinching member 33 to each other.

  The adapter 31 is disposed between the car guide rail 2 and the mounting bracket 107a. The adapter 31 includes a mounting rail 35 that is disposed horizontally along the first inner wall surface 1a, and a mounting plate (mounting portion) 36 that is provided on the mounting rail 35 and contacts the vertical surface of the mounting bracket 107a. have.

  The mounting rail 35 has a plate-like vertical piece 37 that has a predetermined length in the horizontal direction and is arranged with its width direction aligned with the vertical direction, and a side opposite to the car guide rail 2 from the lower end of the vertical piece 37. And a plate-like horizontal piece 38 connected to the upper end portion of the mounting plate 36. Therefore, the cross-sectional shape of the adapter 31 is substantially Z-shaped by the vertical piece 37, the horizontal piece 38 and the mounting plate 36. The length of the mounting rail is longer than that of the mounting bracket 107a.

  Each of the mounting plate 36 and the mounting bracket 107a is provided with a bolt through hole (through hole) through which the bolt 25 is passed. The adapter 31 has the existing car side rail bracket device 107 by tightening the bolt 25 passed through the respective bolt through holes of the mounting bracket 107a and the mounting plate 36 and the nut 26 screwed into the bolt 25. Is attached.

  As shown in FIG. 4 in particular, the rail receiving member 32 is provided on a rail facing plate (rail facing portion) 41 interposed between the rear surface of the car guide rail 2 and the vertical piece 37, and the rail facing plate 41. It has the engaging part 42 which is a protrusion engaged with the piece 37 from below. The car guide rail 2 is attached to the rail receiving member 32 by a pair of rail clips 43 that sandwich both ends of the car guide rail 2 in the width direction between the car guide rail 2 and the rail facing plate 41.

  The dimension of the rail facing plate 41 is smaller than the dimension of the vertical piece 37 and longer than the dimension of the back surface of the car guide rail 2 in the length direction of the vertical piece 37 (the length direction of the mounting rail 35). . Thereby, the position of the rail receiving member 32 with respect to the mounting rail 35 can be adjusted in the longitudinal direction of the vertical piece 37. The dimension of the rail facing plate 41 is larger than the dimension of the vertical piece 37 in the vertical direction.

  The engaging portion 42 is provided at the lower end portion of the rail facing plate 41 along the length direction of the mounting rail 35. In this example, the engaging portion 42 is provided over the entire range of the lower end portion of the rail facing plate 41.

  The sandwiching member 33 is provided at a vertical piece side sandwiching plate (vertical piece side sandwiching portion) 51 that sandwiches the longitudinal piece 37 between the sandwiching member 33 and the rail facing plate 41, and an upper end portion of the vertical piece side sandwiching plate 51. It has the contact part 52 which is protrusion. In a state where the vertical piece 37 is sandwiched between the rail facing plate 41 and the vertical piece side holding plate 51, the contact portion 52 contacts the rail facing plate 41 above the vertical piece 37.

  The fastening device 34 has a pair of vertical piece side fasteners 61 that fasten the rail facing plate 41 and the vertical piece side sandwiching plate 51 above the vertical piece 37. The vertical one-side fastener 61 fastens the rail clip 43, the rail facing plate 41, and the vertical one-side sandwiching plate 51 together. The vertical one-side fastener 61 is a fastening bolt (first fastening bolt) 62 that is passed through a bolt through hole (through hole) provided in each of the rail clip 43, the rail facing plate 41, and the vertical one-side sandwiching plate 51. And a fastening nut (first fastening nut) 63 that is screwed into the fastening bolt 62. The vertical one-side fastener 61 fastens the rail clip 43, the rail facing plate 41, and the vertical one-side sandwiching plate 51 together between the fastening bolt 62 and the fastening nut 63, thereby allowing the rail receiving member 32 to be attached to the mounting rail 35. The attachment and the attachment of the car guide rail 2 to the rail receiving member 32 are performed simultaneously.

  8 is a cross-sectional view taken along line VIII-VIII in FIG. On the surface of the vertical piece 37 on the vertical piece side sandwiching plate 51 side, a plurality of first anti-slip uneven portions 66 along the width direction of the vertical piece 37 are provided side by side in the length direction of the vertical piece 37. A plurality of second anti-slip uneven portions 67 that mesh with the first anti-slip uneven portion 66 are provided on the surface on the vertical piece 37 side of the vertical piece-side sandwiching plate 51. In a state where the vertical piece 37 is sandwiched between the rail facing plate 41 and the vertical piece side sandwiching plate 51, the adapter 31 is formed by the first anti-slip uneven portion 66 and the second anti-slip uneven portion 67 meshing with each other. Is prevented in the longitudinal direction of the vertical piece 37.

  FIG. 9 is an enlarged view showing a part IX in FIG. 10 is a front view showing the counterweight-side rail support device 8 of FIG. 9, and FIG. 11 is a cross-sectional view taken along the line XI-XI of FIG. Further, FIG. 12 is a perspective view showing the counterweight side rail support device 8 of FIG.

  The counterweight side wall fixture 22 is fixed to the second inner wall surface 1b using the existing anchor bolts 110 left on the second inner wall surface 1b after the existing counterweight-side rail bracket device 108 is removed. ing. Further, the counterweight side wall fixed object 22 is provided at a pair of fixed rails 71 opposed to each other in the vertical direction and at both ends of the pair of fixed rails 71, and bolt through holes (through holes) through which the anchor bolts 110 are passed. ) And a pair of connecting plates 73 that are respectively connected between the pair of fixed rails 71 at both ends of the pair of fixed rails 71 and maintain a distance between the pair of fixed rails 71. doing.

  Each fixed rail 71 is horizontally disposed along the second inner wall surface 1b. Each fixed rail 71 is a U-shaped rail having a pair of side plate portions facing each other in the width direction of the fixed rail 71 and a bottom plate portion connecting the pair of side plate portions. The pair of fixed rails 71 face each other in the vertical direction with the open portions having a U-shaped cross section facing each other.

  Each fixed plate 72 is connected between one side plate portion of each fixed rail 71. The counterweight side wall fixed object 22 is fixed to the second inner wall surface 1b by tightening a nut to the anchor bolt 110 passed through the bolt through hole of each fixing plate 72. Each connecting plate 73 is connected between the other side plate portions of each fixed rail 71.

  The configuration of the counterweight side rail holding body 23 is the same as the configuration of the car side rail holding body 21 except for a part of the configuration of the adapter 31. The adapter 31 has a mounting rail 35 disposed horizontally and a mounting plate (mounting portion) 74 provided on the mounting rail 35.

  The configuration of the mounting rail 35 of the counterweight side rail holding body 23 is the same as the configuration of the mounting rail 35 of the car side rail holding body 21. The mounting plate 74 is provided at the end in the length direction of the mounting rail 35 perpendicular to the length direction of the mounting rail 35. The mounting plate 74 is disposed in a state where the back surface is in contact with the side plate portions of the upper and lower fixed rails 71. Thereby, the mounting rail 35 is arrange | positioned perpendicularly | vertically with respect to the 2nd inner wall surface 1b. The width dimension of the mounting plate 74 is sufficiently smaller than the length dimension of the fixed rail 71. Thereby, the position of the mounting plate 74 with respect to the fixed rail 71 can be adjusted in the length direction of the fixed rail 71.

  The mounting device 24 includes a seat plate 75 that sandwiches each of the pair of fixed rails 71 between the mounting plate 74 and a plurality (four in this example) of rail holders that fasten the mounting plate 74 and the seat plate 75 to each other. And a fastener 76.

  The size of the seat plate 75 may be substantially the same as the size of the mounting plate 74, or may be smaller than the mounting plate 74. Between the mounting plate 74 and the seat plate 75, the side plate portions of the pair of fixed rails 71 are sandwiched, respectively.

  Each rail holder fastener 76 has a fastening bolt 77. Bolt through holes (through holes) through which the fastening bolts 77 are passed are provided at the four corners of the mounting plate 74. At the four corners of the seat plate 75, screw holes into which the fastening bolts 77 are screwed are provided. The mounting plate 74 and the seat plate 75 are fastened to each other when a fastening bolt 77 passed through the bolt through hole of the mounting plate 74 is screwed into a screw hole of the seat plate 75 and tightened. Each fastening bolt 77 is disposed in a space between the pair of fixed rails 71. The adapter 31 of the car-side rail holder 23 is attached to the counterweight side wall fixed object 22 by fastening a mounting plate 74 and a seat plate 75 sandwiching a pair of fixed rails 71 to each other by a plurality of rail holder fasteners 76. Fixed.

  Next, a description will be given of a method for refurbishing an existing elevator in which equipment such as a hoisting machine is installed in the machine room into a new elevator in which equipment such as the hoisting machine 6 is installed in the hoistway 1. To do. First, in the existing elevator, the hoisting machine and the control panel are removed from the machine room, and the car 104, the counterweight 105, the counterweight-side rail bracket device 108, and the landing sill 111 are removed from the hoistway 1. To do. At this time, the car guide rail 102, the counterweight guide rail 103 and the car side rail bracket device 107 are left in the hoistway 1. Further, the existing car guide rail 102 is removed from the car side rail bracket device 107 (rail removal step). Further, when removing the counterweight-side rail bracket device 108, the counterweight-side rail bracket device 108 is removed from the second inner wall surface 1b while the anchor bolt 110 remains on the second inner wall surface 1b (existing wall). Fixed object removal process).

  Thereafter, the respective positions of the existing car guide rail 102 and the existing counterweight guide rail 103 are changed in the hoistway 1, and the car guide rail 102 and the counterweight guide rail 103 after the positions are changed are changed. They are arranged as a new car guide rail 2 and a new counterweight guide rail 3. In addition, devices such as a new hoist 6, a control panel, and a landing threshold 11 are installed at predetermined positions in the hoistway 1 (device arrangement process).

  Thereafter, the adapter 31 is attached to the mounting bracket 107 a of the car-side rail bracket device 107 with the bolt 25 and the nut 26 while the vertical piece 37 of the car-side rail holding body 21 is opposed to the back surface of the car guide rail 2. At this time, the length direction of the vertical piece 37 of the adapter 31 is kept horizontal (adapter attachment process).

  Thereafter, while adjusting the position of the rail receiving member 32 with respect to the longitudinal piece 37 in the longitudinal direction of the longitudinal piece 37, the rail facing plate 41 is interposed between the back surface of the car guide rail 2 and the longitudinal piece 37, and The engaging portion 42 is engaged with the piece 37 from below (rail receiving member arranging step).

  Thereafter, the sandwiching member 33 is disposed on the side opposite to the rail facing plate 41 as viewed from the longitudinal piece 37, and the longitudinal piece 37 is sandwiched between the rail facing plate 41 and the sandwiching member 33. At this time, the first anti-slip uneven portion 66 of the vertical piece 37 and the second anti-slip uneven portion 67 of the pinching member 33 are engaged with each other (pinching member arranging step).

  Thereafter, the both ends of the car guide rail 2 in the width direction are sandwiched between the rail clip 43 and the rail facing plate 41, and the bolt holes of the rail clip 43, the rail facing plate 41, and the sandwiching member 33 are respectively inserted. The first fastening nuts 63 are screwed onto the first fastening bolts 62 that are sequentially passed and tightened to fasten the rail clip 43, the rail receiving member 32, and the pinching member 33 together. Thereby, the rail receiving member 32 is attached to the attachment rail 35, and the car guide rail 2 is attached to the rail receiving member 32 (vertical one side fastening process).

  On the other hand, after removing the counterweight side rail bracket device 108 (that is, after the existing wall fixing object removing step), the counterweight side wall is fixed using the anchor bolts 110 remaining on the second inner wall surface 1b. The object 22 is fixed to the second inner wall surface 1b (new fixed object attaching step).

  Thereafter, the counterweight side rail holder 23 is attached to the counterweight side wall fixed object 22 while the vertical piece 37 of the counterweight side rail holder 23 is opposed to the back surface of the counterweight guide rail 3 (rail holding). Body attachment process).

  When attaching the counterweight side rail holding body 23 to the counterweight side wall fixed object 22, first the adapter 31 of the counterweight side rail holding body 23 is attached to the counterweight side wall fixed object 22 and then the counterweight side rail. The rail receiving member 32 of the holding body 23 is attached to the attachment rail 35.

  When the adapter 31 of the counterweight side rail holder 23 is attached to the counterweight side wall fixed object 22, the position of the mounting plate 74 with respect to the counterweight side wall fixed object 22 is adjusted in the length direction of the fixed rail 71, and then attached. The upper end portion and the lower end portion of the plate 74 are opposed to the side plate portions of the pair of fixed rails 71 (rail holding body arranging step).

  Thereafter, the seat plate 75 is disposed at a position sandwiching each of the side plate portions of the fixed rails 71 with the mounting plate 74. At this time, the position of the screw hole of the seat plate 75 is aligned with the position of the bolt through hole of the mounting plate 74 (seat plate arranging step).

  Thereafter, the fastening bolt 77 of the rail holder fastener 76 is passed through the bolt through hole of the mounting plate 74 and then screwed into the screw hole of the seat plate 75 to tighten the mounting plate 74 and the seat plate 75. Fasten together. Thereby, the adapter 31 of the counterweight side rail holder 23 is attached to the counterweight side wall fixture 22 (rail holder fastening step).

  Thereafter, the rail receiving member 32 of the counterweight side rail holding member 23 is attached to the mounting rail 35 and the counterweight guide rail 3 is attached to the rail receiving member 32 in the same procedure as the attachment procedure of the car side rail holding member 21. Install.

  Thereafter, the new car 4 is arranged between the pair of car guide rails 2 and the new counterweight 5 is arranged between the pair of counterweight guide rails 3 (elevating body arranging step). Thereafter, the car 4 and the counterweight 5 are suspended in the hoistway 1 by the suspension body wound around the driving sheave 6 a of the hoisting machine 6. In this way, the existing elevator is renovated to a new elevator.

  In the elevator car side rail support device 7 and the counterweight side rail support device 8 as described above, the rail receiver is engaged with the engaging portion 42 of the rail receiving member 32 engaged with the vertical piece 37 of the mounting rail 35 from below. Since the member 32 is attached to the mounting rail 35, the rail receiver for the mounting rail 35 is prevented while preventing the rail receiving member 32 from coming off the mounting rail 35 in the vertical direction within the range of the length of the vertical piece 37. The attachment position of the member 32 can be freely adjusted in the longitudinal direction of the vertical piece 37. Accordingly, by increasing the length dimension of the vertical piece 37, the adjustment range of the position of the car guide rail 2 or the counterweight guide rail 3 can be increased in the horizontal direction. In addition, since the adjustment range of the position of the car guide rail 2 or the counterweight guide rail 3 can be increased in the horizontal direction, the car guide rail 2 and the counterweight guide rail 3 can be adjusted when repairing the elevator. Even when each position is to be changed greatly, the anchor bolt is attached to the inner wall surface of the hoistway 1 by attaching the adapter 31 to the hoistway 1 using an existing anchor bolt or rail bracket device. The positions of the car guide rail 2 and the counterweight guide rail 3 can be largely changed in the horizontal direction without providing a new one. Therefore, it is possible to reduce the time and labor of the elevator repair work.

  Further, a first anti-slip uneven portion 66 is provided on the vertical piece 37, and a second anti-slip uneven portion 67 that meshes with the first anti-slip uneven portion 66 is provided on the sandwiching member 33. Since the two anti-slip concavo-convex portions 66 and 67 mesh with each other, the displacement of the sandwiching member 33 with respect to the vertical piece 37 is prevented in the longitudinal direction of the vertical piece 37. Can be prevented more reliably.

  Further, each of the pair of fixed rails 71 arranged horizontally along the second inner wall surface 1b is sandwiched between the mounting plate 74 and the seat plate 75 of the counterweight side rail holder 23, and the counterweight Since the side rail holding body 23 and the seat plate 75 are fastened to each other by the rail holding body fastener 76, the weight of the counterweight side rail holding body 23 with respect to the fixed rail 71 is within the range of the length of the fixed rail 71. The mounting position can be freely adjusted in the length direction of the fixed rail 71. Therefore, by increasing the length of the fixed rail 71, the adjustment range of the position of the counterweight guide rail 3 can be increased in the horizontal direction along the second inner wall surface 1b. Thereby, the position of the counterweight guide rail 3 can be largely changed in the direction along the 2nd inner wall surface 1b, without providing an anchor bolt newly in the 2nd inner wall surface 1b. Therefore, it is possible to reduce the time and labor of the elevator repair work.

  Further, in such an elevator repair method, after the adapter 31 is attached to the existing car-side rail bracket device 107, the vertical piece 37 of the adapter 31 is provided between the rail facing plate 41 of the rail receiving member 32 and the sandwiching member 33. Thereafter, the rail facing plate 41 and the pinching member 33 are fastened to each other by the vertical one-side fastener 61, so that the existing car-side rail bracket device 107 is not provided on the first inner wall surface 1a. The adapter 31 can be mounted in the hoistway 1 using Thereby, the adjustment range of the position of the car guide rail 2 can be easily increased in the horizontal direction, and the position of the car guide rail 2 can be easily changed. Thereby, the effort of the repair work of an elevator can be reduced.

  Further, after the existing counterweight side rail bracket device 108 is removed from the second inner wall surface 1b with the anchor bolt 110 left, the counterweight side wall fixture 22 including the pair of fixed rails 71 is fixed to the anchor bolt 110. Thereafter, the fixing plate 71 and the seat plate 75 are sandwiched between the mounting plate 74 and the seat plate 75 of the counterweight side rail holder 23, and the mounting plate 74 and the seat plate 75 are connected to the rail holder fastener. Since they are fastened together by 76, the counterweight side rail holder 23 can be mounted in the hoistway 1 by using the anchor bolts 110 left on the second inner wall surface 1b. Accordingly, the adjustment range of the position of the counterweight guide rail 3 can be easily increased in the horizontal direction without newly providing an anchor bolt on the second inner wall surface 1b, and the position of the counterweight guide rail 3 can be increased. Can be easily changed. Thereby, the effort of the repair work of an elevator can be reduced.

  In the above example, the first anti-slip uneven portion 66 is provided on the vertical piece 37 of the mounting rail 35, and the second anti-slip uneven portion meshes with the first anti-slip uneven portion 66 on the vertical piece side sandwiching plate 51. 67 is provided, but when the frictional force between the vertical piece 37 and the vertical piece side sandwiching plate 51 is sufficiently large, the first and second anti-slip uneven portions 66 and 67 may not be provided.

  Further, by providing a first non-slip uneven portion on the surface of the side plate portion of each fixed rail 71 on the seat plate 75 side, and providing a second uneven portion engaging the first anti-slip uneven portion on the seat plate 75, The seat plate 75 may be prevented from shifting in the length direction of the fixed rail 71 with respect to the fixed rail 71.

Embodiment 2. FIG.
FIG. 13 is a perspective view showing an adapter 31 of an elevator rail support apparatus according to Embodiment 2 of the present invention. FIG. 14 is an exploded perspective view showing the adapter 31 of FIG. In FIG.13 and FIG.14, the adapter 31 of the cage | basket | car rail support apparatus 7 is shown. The adapter 31 of the car-side rail support device 7 includes an attachment rail 35, an adjustment fitting (adjustment member) 81 that can be displaced along the lateral piece 38 in the width direction of the attachment rail 35 with respect to the attachment rail 35, and the attachment rail 35. And a plurality of (two in this example) adapter fasteners 82 for fixing the position of the adjustment fitting 81 with respect to the mounting rail 35 by fastening the adjustment fitting 81 to each other. The mounting rail 35 has the same configuration as the mounting rail 35 of the first embodiment. In addition, the mounting rail 35 is disposed with the width direction of the vertical piece 37 set to the vertical direction and the horizontal piece 38 set to be horizontal.

  The adjustment fitting 81 is a L-shaped fitting having a horizontal plate portion 81a that overlaps the horizontal piece 38 of the attachment rail 35 and a vertical plate portion 81b that is an attachment portion that protrudes downward from the end of the horizontal plate portion 81a. .

  A plurality (two in this example) of long holes 83 are provided in the horizontal piece 38 of the mounting rail 35 along the width direction of the horizontal piece 38 (width direction of the mounting rail 35). A plurality (two in this example) of long holes 84 are provided in the horizontal plate portion 81 a of the adjustment fitting 81 along the width direction of the horizontal plate portion 81 a in accordance with the position of the long hole 83. The vertical plate portion 81b of the adjustment fitting 81 is provided with a bolt through hole through which the bolt 25 for mounting the adapter 31 to the mounting bracket 107a is passed, similarly to the mounting plate 36 of the first embodiment.

  The adapter fastener 82 includes a long hole 83 and a fastening bolt 85 that are passed through the long hole 84 provided in each of the horizontal piece 38 and the horizontal plate portion 81a, and a fastening nut 86 that is screwed into the fastening bolt 85. doing. The horizontal plate portion 81 a and the horizontal piece 38 are fastened to each other by being fastened between the head of the fastening bolt 85 and the fastening nut 86. The adjustment fitting 81 is fixed to the mounting rail 35 by the horizontal plate portion 81 a and the horizontal piece 38 being fastened together by the adapter fastener 82. The position of the adjustment fitting 81 with respect to the mounting rail 35 can be adjusted in the direction along the long hole 83 and the long hole 84 (the width direction of the mounting rail 35) by loosening the tightening of the fastening bolt 85 and the fastening nut 86. Yes. The dimension YY between the vertical piece 37 and the vertical plate portion 81 b (that is, the width dimension of the adapter 31) YY is adjusted by adjusting the position of the adjustment fitting 81 with respect to the mounting rail 35 in the width direction of the mounting rail 35.

  A plurality of first anti-slip uneven portions 87 along the length direction of the mounting rail 35 are provided on the surface of the horizontal piece 38 on the horizontal plate portion 81a side. A plurality of second anti-slip uneven portions 88 that mesh with the first anti-slip uneven portion 87 are provided on the surface of the horizontal flat plate portion 81a on the side piece 38 side. In a state where the adjustment fitting 81 is attached to the attachment rail 35, the first anti-slip uneven portion 87 and the second anti-slip uneven portion 88 mesh with each other, so that the displacement of the adjustment fitting 81 with respect to the attachment rail 35 is caused by the attachment rail. Blocked in the width direction of 35. Other configurations are the same as those in the first embodiment.

  In such an elevator car side rail support device 7, the adjustment fitting 81 can be displaced in the width direction of the attachment rail 35 with respect to the attachment rail 35, and the adjustment fitting 81 and the attachment rail 35 are moved by the adapter fastener 82. Since the position of the adjusting bracket 81 with respect to the mounting rail 35 is fixed by being fastened to each other, the position of the adjusting bracket 81 with respect to the mounting rail 35 is changed by releasing the fastening by the adapter fastener 82. The width direction of 35 can be adjusted. Thereby, the width dimension YY of the adapter 31 can be adjusted, and the position of the car guide rail 2 can be adjusted not only in the length direction of the mounting rail 35 but also in the width direction of the mounting rail 35.

  In the above example, the adapter 31 having the mounting rail 35, the adjusting bracket 81, and the adapter fastener 82 is applied only to the car-side rail support device 7. However, the adapter 31 is also attached to the counterweight-side rail support device 8. You may apply the adapter 31 which has the rail 35, the adjustment metal fitting 81, and the adapter fastener 82. FIG.

  In addition, a first non-slip uneven portion 87 is provided on the horizontal piece 38 of the mounting rail 35, and a second anti-slip uneven portion 88 is provided on the horizontal plate portion 81 a of the adjustment fitting 81. When the frictional force between the horizontal plate portions 81a is sufficiently large, the first and second anti-slip uneven portions 87 and 88 may not be provided.

Embodiment 3 FIG.
FIG. 15 is a perspective view showing a car-side rail holder 21 of an elevator rail support apparatus according to Embodiment 3 of the present invention. FIG. 16 is an exploded perspective view showing the rail receiving member 32 and the pinching member 33 of FIG. The fastening device 34 for fastening the rail receiving member 32 and the pinching member 33 to each other further includes a pair of additional fasteners 89 for increasing the fastening force for fastening the rail facing plate 41 and the vertical one side pinching plate 51 to each other. .

  The additional fastener 89 is disposed between the pair of vertical one-side fasteners 61. Further, the additional fastener 89 passes through a fastening bolt (second fastening bolt) 90 fixed to the rail facing plate 41 and a bolt through hole (through hole) provided in the vertical one side sandwiching plate 51 of the sandwiching member 33. And a fastening nut (second fastening nut) 91 to be screwed onto the fastening bolt 90. The rail facing plate 41 and the vertical one-side sandwich plate 51 are fastened to each other by fastening the fastening bolt 90 and the fastening nut 91. In this example, the first anti-slip uneven portion 66 is not provided on the vertical piece 37, and the second anti-slip uneven portion 67 is not provided on the pinching member 33. Other configurations are the same as those in the first embodiment.

  In such an elevator car-side rail support device 7, the rail facing plate 41 and the vertical one-side sandwiching plate 51 are fastened to each other not only by the vertical fasteners 61 but also by the additional fasteners 89. 41 and the fastening force with respect to the vertical one side sandwiching plate 51 can be increased. Thereby, the frictional force generated between each of the rail facing plate 41 and the vertical piece side sandwiching plate 51 and the vertical piece 37 can be increased, and displacement of the rail receiving member 32 and the sandwiching member 33 with respect to the vertical piece 37 is prevented. be able to.

  In the above example, the first anti-slip uneven portion 66 is not provided on the vertical piece 37, and the second anti-slip uneven portion 67 is not provided on the pinching member 33. Similarly, the first anti-slip uneven portion 66 may be provided on the vertical piece 37, and the second anti-slip uneven portion 67 may be provided on the pinching member 33.

  In the above example, the additional fastener 89 is applied only to the car-side rail support device 7, but the additional fastener 89 may also be applied to the counterweight-side rail support device 8.

Embodiment 4 FIG.
FIG. 17 is a perspective view showing a car-side rail holder 21 of an elevator rail support apparatus according to Embodiment 4 of the present invention. FIG. 18 is an exploded perspective view showing the rail receiving member 32 and the pinching member 33 of FIG. In addition to the rail facing plate 41 and the engaging portion 42, the rail receiving member 32 further includes a horizontal piece lower sandwiching portion 92 that extends from the engaging portion 42 and overlaps the lower surface of the horizontal piece 38. In addition to the vertical piece side sandwich plate 51 and the contact portion 52, the sandwich member 33 extends from the lower end portion of the vertical piece side sandwich plate 51 while facing the lower piece sandwich portion 92 for the horizontal piece and overlaps the upper surface of the horizontal piece 38. It further has an upper side clip part 93 for use. The horizontal piece lower pinching portion 92 and the horizontal piece upper pinching portion 93 reach the outer side in the width direction of the horizontal piece 38.

  The fastening device 34 further includes a lateral piece side fastener 94 that fastens the lateral piece lower sandwiching portion 92 and the lateral piece upper sandwiching portion 93 to each other while avoiding the lateral piece 38 outside the lateral piece 38 in the width direction. . The lateral piece side fastener 94 fastens the respective ends of the lateral piece lower sandwiching portion 92 and the lateral piece upper sandwiching portion 93.

  The lateral piece side fastener 94 is a fastening bolt (third fastening bolt) 95 that is passed through a bolt through hole (through hole) provided in each of the lateral piece lower sandwiching portion 92 and the lateral piece upper sandwiching portion 93. And a fastening nut (third fastening nut) 96 that is screwed onto the fastening bolt 95. The horizontal piece lower pinching portion 92 and the horizontal piece upper pinching portion 93 are fastened to each other with the horizontal piece 38 sandwiched therebetween by being fastened between the head of the fastening bolt 95 and the fastening nut 96. As a result, a frictional force is generated between the horizontal piece 38 and the horizontal piece upper holding part 92 and the horizontal piece upper holding part 93. Other configurations are the same as those of the second embodiment.

  In such an elevator car-side rail support device 7, the rail facing plate 41 and the vertical piece-side sandwiching plate 51 are fastened to each other by the respective vertical piece-side fasteners 61, and the horizontal piece-side lower sandwiching portion 92 and the horizontal piece-side fastener 94. Since the upper side pinching portions 93 for the horizontal pieces are fastened to each other, the frictional force generated between each of the rail receiving member 32 and the pinching member 33 and the mounting rail 35 can be increased. Thereby, the shift | offset | difference of the rail receiving member 32 and the pinching member 33 with respect to the attachment rail 35 can be prevented.

  In the above example, the first anti-slip uneven portion 66 is not provided on the vertical piece 37, and the second anti-slip uneven portion 67 is not provided on the pinching member 33. Similarly, the first anti-slip uneven portion 66 may be provided on the vertical piece 37, and the second anti-slip uneven portion 67 may be provided on the pinching member 33.

  Further, in the above example, the horizontal one-side fastener 94 is applied only to the cage-side rail support device 7, but the horizontal one-side fastener 94 may also be applied to the counterweight-side rail support device 8. .

  In the above example, the existing counterweight 105 and the existing landing threshold 111 are not diverted to the new elevator, but if it can be diverted to the new elevator due to the size and arrangement, The existing counterweight 105 and the existing landing threshold 111 may be used for a new elevator.

  Further, a combination of a plurality of combinations among the adapter 31 of the second embodiment, the additional fastener 89 of the third embodiment, and the lateral one-side fastener 94 of the fourth embodiment may be applied to the first embodiment. .

  DESCRIPTION OF SYMBOLS 1 Hoistway, 1a 1st inner wall surface, 1b 2nd inner wall surface, 2 Car guide rail, 3 Balanced weight guide rail, 22 Balanced weight side wall fixed object (wall fixed object), 23 Balanced weight side rail holding | maintenance Body (rail holder), 31 adapter, 32 rail receiving member, 33 pinching member, 34 fastening device (fastening device for rail receiving member), 35 mounting rail, 37 vertical piece, 38 horizontal piece, 41 rail facing plate (rail facing) Part), 42 engaging part, 51 vertical one side clamping plate, 61 vertical one side fastener, 62 fastening bolt (first fastening bolt), 63 fastening nut (first fastening nut), 66 first anti-slip uneven part , 67 second anti-slip uneven portion, 71 fixed rail, 75 seat plate, 76 rail holder fastener, 81 adjustment bracket (adjustment member), 82 adapter fastener, 89 additional fastener, 90 fastening Bolts (second fastening bolts), 91 fastening nuts (second fastening nuts), 92 horizontal piece side lower holding parts, 93 horizontal piece upper holding parts, 94 horizontal piece side fasteners, 107 car side rail bracket devices (walls) Fixed object), 108 counterweight side rail bracket device (wall fixed object), 110 anchor bolt.

Claims (9)

A rail support device for an elevator that supports a guide rail that guides the movement of the lifting body within the hoistway,
A wall fixture fixed to the inner wall surface of the hoistway;
An adapter that has a predetermined length in the horizontal direction and includes a mounting rail including a vertical piece that is arranged with the width direction aligned with the vertical direction;
A rail facing portion interposed between a back surface of the guide rail and the vertical piece; and an engaging portion provided at a lower end portion of the rail facing portion and engaged with the vertical piece from below. Rail receiving member to which the rail is attached,
A rail receiver having a pinching member having a vertical piece-side pinching portion sandwiching the vertical piece between the rail facing portion and a vertical piece side fastener for fastening the rail facing portion and the vertical piece side pinching portion above the vertical piece. An elevator rail support device comprising a member fastening device. A plurality of first anti-slip concavo-convex portions are provided on the surface of the vertical piece on the side of the vertical piece side,
A plurality of second anti-slip uneven parts meshing with the first anti-slip uneven part are provided on the vertical one-side sandwiched part,
2. The displacement of the sandwiching member and the rail receiving member with respect to the adapter is prevented in the longitudinal direction of the vertical piece by engaging the first and second anti-slip uneven portions with each other. An elevator rail support device according to claim 1. The vertical piece-side fastener is screwed into the first fastening bolt and the first fastening bolt respectively penetrating the rail facing portion and the vertical piece side sandwiching portion, and a rail for attaching the guide rail to the rail facing portion A first fastening nut that fastens the clip, the rail facing portion and the vertical one-side pinched portion together with the first fastening bolt;
The fastening device for the rail receiving member is
A second fastening bolt that is fixed to the rail facing portion and passes through the vertical one-side sandwiched portion; and a second fastening nut that is screwed to the second fastening bolt, the rail facing portion and the vertical The elevator rail support device according to claim 1 or 2, further comprising: an additional fastener that fastens the one-side sandwiched portion with the second fastening bolt and the second fastening nut. . The mounting rail further has a horizontal piece protruding from the lower end of the vertical piece to the opposite side of the guide rail,
The rail receiving member has a lateral piece lower sandwiching portion extending from the engaging portion and overlapping the lower surface of the lateral piece,
The pinching member has an upper pinching portion for horizontal pieces that extends from a lower end portion of the pinching portion for vertical pieces while facing the lower pinching portion for horizontal pieces and overlaps the upper surface of the horizontal piece,
The said rail receiving member fastening device has a horizontal piece side fastener which fastens the said horizontal piece lower side clamping part and the said horizontal piece upper side clamping part, avoiding the said horizontal piece. The elevator rail support apparatus according to any one of claims 1 to 3. The mounting rail further has a horizontal piece protruding from the lower end of the vertical piece to the opposite side of the guide rail,
The adapter includes an adjustment member that can be displaced along the lateral piece in the width direction of the attachment rail with respect to the attachment rail, and a position of the adjustment member with respect to the attachment rail by fastening the adjustment member and the attachment rail together. An elevator rail support device according to any one of claims 1 to 4, further comprising an adapter fastener for fixing the bracket. A rail support device for an elevator that supports a guide rail that guides the movement of the lifting body within the hoistway,
A pair of fixed rails facing each other in the vertical direction and horizontally disposed along the inner wall surface of the hoistway, and fixed to the inner wall surface of the hoistway;
A rail holder for holding the guide rail,
A seat plate that sandwiches each of the pair of fixed rails with the rail holder, and a rail holder fastener that fastens the rail holder and the seat plate while avoiding the pair of fixed rails. An elevator rail support device characterized by the above. The rail holder is
An adapter having a mounting rail including a vertical piece having a predetermined length in the horizontal direction and attached to the wall fixture,
A rail facing portion interposed between a back surface of the guide rail and the vertical piece; and an engaging portion provided at a lower end portion of the rail facing portion and engaged with the vertical piece from below. Rail receiving member to which the rail is attached,
A rail receiver having a pinching member having a vertical piece-side pinching portion sandwiching the vertical piece between the rail facing portion and a vertical piece side fastener for fastening the rail facing portion and the vertical piece side pinching portion above the vertical piece. The elevator rail support device according to claim 6, further comprising a member fastening device. A method of repairing an elevator that changes the position of a guide rail that guides the movement of a lifting body,
A rail removal process for removing the guide rail from an existing wall fixture fixed to the inner wall surface of the hoistway,
An adapter mounting step for mounting an adapter including a vertical piece having a predetermined length to the existing wall fixture in a state where the length direction of the vertical piece is horizontal,
A rail facing portion of a rail receiving member to which the guide rail is attached is interposed between the guide rail and the vertical piece, and an engaging portion provided at a lower end portion of the rail facing portion is engaged with the vertical piece from below. Rail receiving member arrangement process to be combined,
A sandwiching member placement step of placing the sandwiching member so as to sandwich the longitudinal piece between the longitudinal piece side sandwiching portion of the sandwiching member and the rail facing portion; and the rail facing portion and the longitudinal piece side sandwiching portion of the longitudinal piece A method for repairing an elevator, comprising: a vertical one-side fastening step that is fastened by a vertical one-side fastener. A method of repairing an elevator that changes the position of a guide rail that guides the movement of a lifting body,
An existing wall fixing object removing step for removing the existing wall fixing object attached to the inner wall surface of the hoistway from the inner wall surface of the hoistway while leaving the anchor bolt,
A new wall fixed body having a pair of fixed rails is attached to the inner wall surface of the hoistway using the anchor bolts in a state where the pair of fixed rails are opposed to each other in the vertical direction and are horizontally disposed. Fixed object mounting process,
A rail holder arrangement step for causing a rail holder holding the guide rail to face each of the pair of fixed rails;
A seat plate arrangement step of arranging a seat plate at a position sandwiching each of the pair of fixed rails between the rail holder and the rail holder, and a rail holder that fastens the rail holder and the seat plate with a rail holder fastener A method of repairing an elevator, comprising a fastening step.

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