JP6113206B2 - Elevator balancing weight loading / unloading device - Google Patents

Description

  The present invention relates to an elevator balancing weight loading / unloading device used when loading / unloading a balancing weight to / from a hoistway.

  2. Description of the Related Art Conventionally, there has been known an elevator balancing weight loading / unloading device that includes a lifting device supported by a hoistway and suspends an existing balancing weight to a pit of the hoistway using the lifting device. The counterweight suspended in the pit is dismantled in the pit, and the dismantled counterweight is carried out from the pit to the landing (see, for example, Patent Document 1).

JP 11-349255 A

  As a method of removing the counterweight from the hoistway to the landing without hanging the counterweight to the pit, a scaffolding is temporarily installed on the hoistway so as to be adjacent to the landing in the depth direction of the hoistway, and the counterweight is used as a scaffold. After the suspension is suspended, the counterweight of the counterweight in the scaffold is so that the height dimension of the counterweight is smaller than the height dimension of the landing entrance from the standing position extending in the height direction. A method is considered in which the counterweight is displaced to an inclined position where the longitudinal direction intersects the height direction, and the counterweight is carried out from the scaffold to the landing.

  However, when the position of the counterweight is displaced from the standing position to the tilted position on the scaffold, the guide shoe is removed from the counterweight frame of the counterweight, so the counterweight moves along the counterweight guide rail. There was a problem that it could not be made.

  The present invention relates to an elevator balance weight carrying-in / out device capable of moving a balance weight along a balance weight guide rail when the position of the balance weight is displaced between a standing position and a tilt position. It is to provide.

  The elevator balancing weight carrying-in / out device according to the present invention is an elevator balancing weight carrying-in / out device used when carrying out the loading / unloading of the balancing weight with respect to the hoistway, and the balancing weight is a guide rail for the balancing weight. A rotating guide shoe support portion attached to a first end which is an upper end portion of a counterweight when the hoistway is guided up and down, and a rotating shaft extending outward in the width direction from the rotating guide shoe support portion A pivot guide shoe provided on the pivot shaft so as to pivot about the pivot shaft and guided by a guide rail for a counterweight, and is driven by a lifting device that supports the counterweight. The second end, which is the lower end of the counterweight when the counterweight is raised and lowered and the counterweight is guided by the counterweight guide rail and moves up and down the hoistway, is placed on the hoistway so that it is adjacent to the landing. Move along temporary support member for loading and unloading If that, rotating the guide shoe while rotating about the pivot axis and is guided to the counterweight guide rails.

  According to the elevator balance weight carrying-in / out device according to the present invention, the rotation guide shoe support portion attached to the first end of the balance weight, and the rotation shaft extending outward in the width direction from the rotation guide shoe support portion; A pivot guide shoe provided on the pivot shaft so as to pivot about the pivot shaft and guided by a guide rail for a counterweight, and is driven by a lifting device that supports the counterweight. When the counterweight moves up and down and the second end of the counterweight moves along the carrying-in / out support member, the counterweight guide shoe rotates around the rotation axis while the counterweight guide shoe rotates around the rotation axis. Therefore, when the position of the counterweight is displaced between the standing position and the tilted position, the counterweight can be moved along the counterweight guide rail.

It is a front view which shows the elevator balance weight carrying in / out apparatus which concerns on Embodiment 1 of this invention. It is a side view which shows the elevator balance weight carrying in / out apparatus of FIG. It is a top view which shows the guide apparatus of FIG. It is an enlarged view which shows the guide apparatus of FIG. It is a side view which shows the guide apparatus of FIG. It is a side view which shows the elevator balance weight carrying-in / out apparatus of the state which carries out a balance weight to a landing from a hoistway using the trolley | bogie unit of FIG. It is an enlarged view which shows the elevator balance weight carrying in / out apparatus of FIG. It is a front view which shows the elevator balance weight carrying-in / out apparatus of the state which inclined the longitudinal direction of the balance weight of FIG. 7 with respect to the height direction. It is a front view which shows the elevator balance weight carrying in / out apparatus of the state which further inclined the longitudinal direction of the balance weight of FIG. 8 with respect to the height direction. It is a front view which shows the elevator balance weight carrying-in / out apparatus of the state which has the balance weight of FIG. 7 in a tilting position. It is a front view which shows the elevator balance weight carrying in / out apparatus which shows the state which removed the guide apparatus of FIG. 10 from the 1st edge part of the balance weight. It is a side view which shows the elevator balance weight carrying in / out apparatus which concerns on Embodiment 2 of this invention. It is a top view which shows the roller apparatus for 1st ends of FIG. It is a front view which shows the roller apparatus for 1st ends of FIG. It is an enlarged view which shows the roller apparatus for 1st ends of FIG. It is an enlarged view which shows the roller apparatus for 2nd edge parts of FIG. It is a bottom view which shows the roller apparatus for 2nd edge parts of FIG. It is a rear view which shows the roller apparatus for 2nd ends of FIG. It is a front view which shows the elevator balance weight carrying in / out apparatus of the state which inclined the longitudinal direction of the balance weight of FIG. 12 with respect to the height direction. It is a front view which shows the elevator balance weight carrying in / out apparatus of the state which further inclined the longitudinal direction of the balance weight of FIG. 19 with respect to the height direction. It is a front view which shows the elevator balance weight carrying in / out apparatus of the state which the position of the balance weight of FIG. 12 is a tilting position. It is a front view which shows the elevator balance weight carrying-in / out apparatus which shows the state which removed the rotation guide shoe of FIG. 21 from the rotating shaft.

Embodiment 1 FIG.
1 is a front view showing an elevator balance weight carrying-in / out apparatus according to Embodiment 1 of the present invention, and FIG. 2 is a side view showing the elevator balance weight carrying-in / out apparatus shown in FIG. In the drawing, an elevator weight balance loading / unloading device is supported by a scaffold device 1 installed in a pit 101 of a hoistway 100 and a counterweight guide rail device 102 fixed to the hoistway 100, and A suspension device 2 for suspending the counterweight 103, a carriage unit 3 on which the counterweight 103 is placed, and a guide device 4 provided on the counterweight 103 are provided.

  The scaffold device 1 extends over a plurality of supports 11 that can be expanded and contracted in the height direction, a scaffold (supporting member for loading / unloading) 12 that is supported by the support 11 and is adjacent to the landing 104 in the depth direction, and the adjacent support 11. And a reinforcing member 13 that is hung. The reinforcing member 13 suppresses the support 11 from falling. In this example, the height direction is the height direction of the hoistway 100 and is the direction of the arrow A shown in FIG. Further, the depth direction is the depth direction with respect to the hoistway 100 and is the direction of the arrow B shown in FIG.

  The counterweight guide rail device 102 is provided with a pair of counterweight guide rails 105 extending in the height direction, and a plurality of counterweight guide rails 105 and fixed to the hoistway 100. Rail bracket 106. Each rail bracket 106 is arranged away from each other in the height direction.

  The counterweight 103 includes a counterweight frame 107 extending in the height direction, a plurality of weight plates 108 supported by the counterweight frame 107, and existing guide shoes (not shown) fixed to the counterweight frame 107. Z). When the counterweight 103 is guided by the counterweight guide rail 105 and moves up and down the hoistway 100, an existing guide shoe is attached to the first end 109, which is the upper end of the counterweight frame 107. An existing guide shoe mounting bolt hole 111 (FIG. 4) into which a guide shoe mounting bolt 110 (FIG. 4) for fixing to 107 is inserted is formed. In addition, when the counterweight 103 is guided by the counterweight guide rail 105 and ascends and descends the hoistway 100, the existing guide shoe is also balanced with the second end 112 which is the lower end of the counterweight frame 107. An existing guide shoe mounting bolt hole (not shown) into which a guide shoe mounting bolt (not shown) for fixing to the weight frame 107 is inserted is formed.

  The suspension device 2 includes a wire 21 hung between a pair of balance weight guide rails 105, a chain block (lifting device) 22 supported by the wire 21, and a chain block 22 and a balance weight frame. And a wire 23 that connects the terminal 107 to the terminal. In FIG. 2, the wire 21, the chain block 22, and the wire 23 are omitted.

  The chain block 22 includes a hook portion 221 that is hung on the wire 21 and a hook portion 222 on which the wire 23 is hung. The hook block 221 is hooked on the wire 21, whereby the chain block 22 is supported on the wire 21. The wire 23 is supported by the chain block 22 by the wire 23 being hooked on the hook portion 222. The hook portion 222 moves in the vertical direction when the chain block 22 is driven. As the hook portion 222 moves in the vertical direction, the wire 23 moves in the vertical direction.

  3 is a plan view showing the guide device 4 in FIG. 1, FIG. 4 is an enlarged view showing the guide device 4 in FIG. 1, and FIG. 5 is a side view showing the guide device 4 in FIG. The guide device 4 includes a pair of turning guide shoe support portions 41 attached to the first end 109 of the counterweight 103, a pair of bearings 42 provided on each turning guide shoe support portion 41, A pair of pivot shafts 43 provided on the bearing 42 and extending outward in the width direction from the pivot guide shoe support portion 41, and provided on each pivot shaft 43 so as to pivot about the pivot shaft 43, A rotation guide shoe 44 guided by the weight guide rail 105 is provided.

  A rotation guide shoe mounting bolt hole 411 is formed in the rotation guide shoe support portion 41 so as to overlap the existing guide shoe mounting bolt hole 111. The rotating guide shoe support portion 41 is attached to the counterweight frame 107 by inserting the guide shoe mounting bolt 110 into the rotating guide shoe mounting bolt hole 411 and the existing guide shoe mounting bolt hole 111.

  The rotation guide shoe 44 moves the rotation shaft 43 when the counterweight 103 moves up and down by driving the chain block 22 and the second end 112 of the counterweight 103 moves along the scaffold 12 in the depth direction. It is guided to the counterweight guide rail 105 while rotating to the center.

  FIG. 6 is a side view showing the elevator balance weight loading / unloading device in a state in which the balance weight 103 is unloaded from the hoistway 100 to the landing 104 using the cart unit 3 of FIG. The cart unit 3 includes a first cart 31 that supports the second end 112 of the counterweight 103 and a second cart 32 that supports the first end 109 of the counterweight 103.

  Next, the elevator balance weight carrying-in / out method using the elevator balance weight carrying-in / out apparatus will be described. First, as shown in FIG. 1, a car (not shown) is arranged at the upper part of the hoistway 100 so that the counterweight 103 is arranged at a position higher than the lowest floor hall 104 by a predetermined distance, A car is fixed to a car guide rail device (not shown) using a fixing device (not shown). The car guide rail device includes a pair of car guide rails extending in the height direction, and a plurality of rail brackets provided on the car guide rails and fixed to the hoistway 100.

  Then, the scaffolding 12 is installed in the pit 101 of the hoistway 100 so as to be adjacent to the landing 104 in the depth direction (supporting / unloading support member installation step).

  After that, the chain block 22 is supported on the balance weight guide rail 105, the balance weight 103 is supported on the chain block 22 (balance weight support step), and the chain block 22 is driven to slightly change the balance weight 103. Just lift up. At this time, the weight plate 108 may be removed from the counterweight frame 107.

  Thereafter, a rope (not shown) connected to the car and the counterweight 103 is removed from the car and the counterweight 103 and attached to the first end 109 and the second end 112 of the counterweight 103. The existing guide shoe is removed, and the guide device 4 is attached to the first end 109 of the counterweight 103 (guide device attachment step).

  7 is an enlarged view showing the elevator balance weight loading / unloading apparatus of FIG. 2, and FIG. 8 is an elevator balance weight loading / unloading apparatus in which the longitudinal direction of the balancing weight 103 of FIG. 7 is inclined with respect to the height direction. FIG. 9 is a front view showing the elevator balance weight loading / unloading device in a state where the longitudinal direction of the balance weight 103 in FIG. 8 is further inclined with respect to the height direction, and FIG. It is a front view which shows the elevator balance weight carrying in / out apparatus of the state which has the weight 103 in a tilting position. Thereafter, the first carriage 31 is placed on the scaffold 12, the chain block 22 is driven, and the balancing weight 103 is lowered so that the second end portion 112 of the balancing weight 103 can be placed on the first carriage 31.

  Thereafter, the chain block 22 is driven while the first carriage 31 is moved toward the landing 104, and the counterweight 103 is lowered. Thereby, the position of the counterweight 103 is such that the dimension in the height direction of the counterweight 103 is smaller than the dimension in the height direction of the landing doorway from the standing position where the counterweight 103 extends in the height direction. The longitudinal direction of the counterweight 103 is displaced to a tilt position extending in a direction intersecting the height direction. In this example, the tilting position of the counterweight 103 is a position where the counterweight 103 extends in the horizontal direction, and the height dimension of the counterweight 103 is smaller than the height dimension of the landing doorway. This is the position of the counterweight 103 when

  When the position of the counterweight 103 is displaced from the standing position to the tilted position, the rotation guide shoe 44 is guided by the counterweight guide rail 105 while rotating about the rotation axis 43.

  After the balance weight 103 is in the tilted position, the second carriage 32 is placed on the scaffold 12, and the first end 109 of the balance weight 103 is placed on the second carriage 32.

  FIG. 11 is a front view showing an elevator balance weight carrying-in / out device showing a state in which the guide device 4 of FIG. 10 is removed from the first end 109 of the balance weight 103. After placing the first end 109 of the counterweight 103 on the second carriage 32, the guide device 4 is removed from the first end 109 of the counterweight 103. Thereafter, by moving the first carriage 31 and the second carriage 32 from the scaffold 12 to the landing 104, the counterweight 103 is carried out from the hoistway 100 to the landing 104 (balance weight carrying-out step). Thus, the carrying out of the existing counterweight 103 from the hoistway 100 to the landing 104 is completed. Carrying in the new counterweight 103 from the landing 104 to the hoistway 100 is the reverse procedure of carrying out the existing counterweight 103.

  As described above, according to the elevator balance weight carrying-in / out device according to Embodiment 1 of the present invention, the rotation guide shoe support portion 41 attached to the first end 109 of the balance weight 103, and the rotation A rotation shaft 43 extending outward in the width direction from the guide shoe support portion 41 and a rotation shaft 43 provided to the rotation shaft 43 so as to rotate about the rotation shaft 43 and guided by the counterweight guide rail 105 The balance weight 103 is lifted and lowered by driving the chain block 22 that includes the guide shoe 44 and supports the balance weight 103, and the second end 112 of the balance weight 103 moves along the scaffold 12. Since the moving guide shoe 44 is guided by the counterweight guide rail 105 while rotating about the rotary shaft 43, when the position of the counterweight 103 is displaced between the standing position and the tilting position, Counterweight 03 can be moved along the counterweight guide rails 105. As a result, when the position of the counterweight 103 is displaced between the standing position and the tilted position, the first end 109 of the counterweight 103 can be prevented from moving in the depth direction.

  Further, the rotation guide shoe support portion 41 is formed with a rotation guide shoe attachment bolt hole 411 that overlaps with the existing guide shoe attachment bolt hole 111, and the rotation guide shoe support portion 41 extends from the counterweight frame 107. Since the existing guide shoe is removed and the guide shoe mounting bolt 110 is inserted into the rotating guide shoe mounting bolt hole 411 and the existing guide shoe mounting bolt hole 111, it is attached to the counterweight frame 107. The rotating guide shoe support portion 41 can be attached to the counterweight frame 107 by using the bolt hole 111 and the guide shoe attachment bolt 110.

  In the first embodiment, the procedure for removing the guide device 4 from the first end 109 of the counterweight 103 and performing the counterweight carrying-out process has been described. However, the rotary guide shoe 44 is connected to the rotary shaft 43. The balance weight carrying out step may be carried out.

  In the first embodiment, the scaffold 12 is described as an example of the carry-in / out support member. However, the scaffold 12 is not limited to the scaffold 12 and may be a drawer rail on which the first carriage 31 and the second carriage 32 are placed. . The drawer rail is disposed between the counterweight guide rail 105 and the landing 104.

Embodiment 2. FIG.
FIG. 12 is a side view showing an elevator balancing weight carrying in / out apparatus according to Embodiment 2 of the present invention. In the figure, the elevator balance weight carry-in / out device is provided at the first end roller device 5 provided at the first end 109 of the balance weight 103 and at the second end 112 of the balance weight 103. It further includes a second end roller device 6 and a pair of pull-out rails (load-in / out support members) 7 provided between the counterweight guide rail 105 and the landing 104. The elevator counterweight carrying-in / out device according to the second embodiment of the present invention does not include the scaffold device 1 and the carriage unit 3 described in the first embodiment.

  The drawer rail 7 is arranged extending in the depth direction. Further, the drawer rail 7 is disposed across the counterweight guide rail 105 and the landing 104.

  13 is a plan view showing the first end roller device 5 in FIG. 12, FIG. 14 is a front view showing the first end roller device 5 in FIG. 12, and FIG. 15 is the first end roller in FIG. FIG. 6 is an enlarged view showing the device 5. When the first end 109 of the counterweight 103 moves along the pull-out rail 7, the first end roller device 5 rotates a pair of rollers 51 that roll on the pull-out rail 7 and the respective rollers 51. It has a pair of first roller support portions 52 that can be supported and attached to the first end portion 109. The dimension between the pair of rollers 51 corresponds to the dimension between the pair of drawer rails 7.

  The rotation guide shoe support portion 41 is attached to the first roller support portion 52. The guide device 4 has a bolt 45 for attaching the rotation guide shoe support portion 41 to the first roller support portion 52. Note that the rotation guide shoe support portion 41 may be formed integrally with the first roller support portion 52. In this case, the guide device 4 does not have the bolt 45.

  The first roller support portion 52 is formed with a first roller support portion mounting bolt hole 521 that overlaps the existing guide shoe mounting bolt hole 111. The first roller support 52 is inserted into the first end 109 of the counterweight frame 107 by inserting the guide shoe mounting bolt 110 into the first roller support mounting bolt hole 521 and the existing guide shoe mounting bolt hole 111. It is attached. The first roller support portion 52 is attached to and detached from the balance weight frame 107 of the balance weight 103 together with the rotation guide shoe support portion 41.

  16 is an enlarged view showing the second end roller device 6 in FIG. 12, FIG. 17 is a bottom view showing the second end roller device 6 in FIG. 12, and FIG. 18 is a second end roller in FIG. FIG. 6 is a rear view showing the device 6. In the figure, the second end roller device 6 is configured to move the pull-out rail 7 when the counterweight 103 moves up and down by driving the chain block 22 and when the second end 112 moves along the pull-out rail 7. A pair of rolling rollers 61 that roll, a pair of moving rollers 62 that rolls on the pull-out rail 7 when the second end 112 moves along the pull-out rail 7 together with the first end 109, and a displacement roller The roller 61 and the moving roller 62 are rotatably supported and have a second roller support portion 63 attached to the second end portion 112. The dimension between the pair of displacement rollers 61 and the dimension between the pair of moving rollers 62 correspond to the dimension between the pair of drawer rails 7.

  The second roller support portion 63 is formed with a second roller support portion mounting bolt hole 631 that overlaps the existing guide shoe mounting bolt hole 111. The second roller support 63 is inserted into the second end 112 of the counterweight frame 107 by inserting the guide shoe mounting bolt 110 into the second roller support mounting bolt hole 631 and the existing guide shoe mounting bolt hole 111. It is attached. Other configurations are the same as those in the first embodiment.

  Next, the elevator balance weight carrying-in / out method using the elevator balance weight carrying-in / out apparatus will be described. First, a car is arranged on the upper part of the hoistway 100 so that the counterweight 103 is arranged at a position higher than the landing 104 on the lowest floor by a predetermined distance, and the car guide rail device is used by using a fixing device. Fixed against. Then, the drawer rail 7 is installed in the hoistway 100 (supporting member installation process for carrying in / out). The counterweight support process is the same as in the first embodiment.

  Thereafter, the rope connected to the car and the counterweight 103 is removed from the car and the counterweight 103, and the existing guide shoes attached to the first end 109 and the second end 112 of the counterweight 103 are removed. The guide device 4 and the first end roller device 5 are attached to the first end 109 of the counterweight 103, and the second end roller device 6 is attached to the second end 112 of the counterweight 103 (guide). Device roller device attachment process).

  19 is a front view showing the elevator balance weight carrying-in / out device in a state where the longitudinal direction of the counterweight 103 in FIG. 12 is inclined with respect to the height direction, and FIG. 20 is a longitudinal direction of the counterweight 103 in FIG. FIG. 21 is a front view showing the elevator balance weight carrying-in / out device in a state where the balance weight is further inclined with respect to the height direction, and FIG. 21 is an elevator balance weight carrying-in / out state where the position of the balance weight 103 in FIG. It is a front view which shows an apparatus. After that, the chain block 22 is driven, and the counterweight 103 so that the displacement roller 61 of the second end roller device 6 attached to the second end 112 of the counterweight 103 is placed on the pull-out rail 7. Descent.

  Thereafter, the chain block 22 is driven while moving the second end roller device 6 toward the landing 104, and the counterweight 103 is lowered. Thereby, the position of the counterweight 103 is displaced from the standing position to the tilted position. When the position of the counterweight 103 is displaced from the standing position to the tilted position, the rotation guide shoe 44 is guided by the counterweight guide rail 105 while rotating about the rotation axis 43.

  FIG. 22 is a front view showing an elevator balancing weight carrying-in / out apparatus in a state where the rotation guide shoe 44 of FIG. 21 is removed from the rotation shaft 43. When the balance weight 103 is in the tilted position, the moving roller 62 of the second end roller device 6 and the roller 51 of the first end roller device 5 are placed on the drawer rail 7. Thereafter, the rotation guide shoe 44 is removed from the rotation shaft 43, and the counterweight 103 is moved by moving the second end roller device 6 and the first end roller device 5 from the pull-out rail 7 to the landing 104. Unload from hoistway 100 to landing 104 (balance weight unloading step). Thus, the carrying out of the existing counterweight 103 from the hoistway 100 to the landing 104 is completed. Carrying in the new counterweight 103 from the landing 104 to the hoistway 100 is the reverse procedure of carrying out the existing counterweight 103.

  As described above, according to the elevator balancing weight carrying-in / out device according to Embodiment 2 of the present invention, the roller that rolls on the drawer rail 7 when the first end 109 moves along the drawer rail 7. 51, the first end roller device 5 having a first roller support portion 52 that rotatably supports the roller 51 and is attached to the first end portion 109, and thus the elevator according to the first embodiment. Compared with the counterweight carrying-in / out device, the first end 109 of the counterweight 103 is pulled out without installing the second carriage 32 on which the first end 109 of the counterweight 103 is placed on the pull-out rail 7. It can be moved along the rail 7. Thereby, the structure of an elevator balance weight carrying in / out apparatus can be simplified.

  Since the first roller support portion 52 is attached to and detached from the counterweight 103 together with the rotation guide shoe support portion 41, the first end roller device 5 can be easily attached to and detached from the counterweight 103.

  Further, the elevator balancing weight carrying-in / out device is configured to rotate the pull-out rail 7 when the counterweight 103 moves up and down by driving the chain block 22 and the second end 112 moves along the pull-out rail 7. A moving displacement roller 61, a moving roller 62 that rolls on the pull-out rail 7 when the second end 112 moves along with the first end 109 along the pull-out rail 7, the displacement roller 61, and the moving roller Since the second end roller device 6 having the second roller support portion 63 attached to the second end portion 112 and rotatably supporting the roller 62 is provided, the elevator balancing weight according to the first embodiment is provided. Compared with the carry-in / out device, the second end 112 of the counterweight 103 is moved along the pull-out rail 7 without installing the first carriage 31 on which the counterweight 103 is placed on the pull-out rail 7. It is possible. Thereby, the structure of an elevator balance weight carrying in / out apparatus can be simplified.

  In the second embodiment, the procedure for removing the rotation guide shoe 44 from the rotation shaft 43 and performing the counterweight carrying-out process has been described. However, the guide device 4 is connected to the first end 109 of the counterweight 103. The balance weight carrying out step may be carried out.

  In the second embodiment, the pull-out rail 7 is described as an example of the carry-in / out support member. However, the first end roller device 5 and the second end roller device 6 are not limited to the scaffold device 1. May be a scaffold on which can be placed.

  Moreover, in each said embodiment, although the chain block 22 was demonstrated to the example as a lifting apparatus, it is not restricted to the chain block 22, For example, a hoist may be sufficient.

  DESCRIPTION OF SYMBOLS 1 Scaffolding device, 2 Suspension device, 3 Cart unit, 4 Guide device, 5 First end roller device, 6 Second end roller device, 7 Pull-out rail (support member for loading / unloading), 11 Support, 12 Scaffolding (supporting member for loading / unloading), 13 reinforcing member, 21 wire, 22 chain block (lifting device), 23 wire, 31 first carriage, 32 second carriage, 41 rotating guide shoe support, 42 bearing, 43 Rotating shaft, 44 Rotating guide shoe, 45 bolt, 51 roller, 52 First roller support part, 61 Displacement roller, 62 Moving roller, 63 Second roller support part, 100 Hoistway, 101 Pit, 102 Balance Guide rail device for weight, 103 counterweight, 104 landing, 105 guide rail for counterweight, 106 rail bracket, 107 counterweight frame, 10 Weight plate, 109 first end portion, 110 guide shoe mounting bolt, 111 existing guide shoe mounting bolt hole, 112 second end portion, 221 hook portion, 222 hook portion, 411 rotating guide shoe mounting bolt hole, 521 roller support portion Mounting bolt hole, 631 Roller support part mounting bolt hole.

Claims (5)

An elevator balancing weight loading / unloading device used when loading / unloading a balancing weight with respect to a hoistway,
A rotating guide shoe support portion attached to a first end which is an upper end portion of the counterweight when the counterweight is guided by a counterweight guide rail and moves up and down the hoistway;
A pivot shaft extending outward in the width direction from the pivot guide shoe support portion;
A rotation guide shoe provided on the rotation shaft so as to rotate about the rotation shaft, and guided by the balance weight guide rail;
The counterweight of the counterweight when the counterweight moves up and down by driving the lifting device that supports the counterweight, and the counterweight is guided by the guide rail for the counterweight and moves up and down the hoistway. When the second end, which is the lower end, moves along the carry-in / out support member temporarily installed in the hoistway so as to be adjacent to the landing, the rotation guide shoe is centered on the rotation axis. An elevator balance weight carrying-in / out apparatus, which is guided by the balance weight guide rail while rotating. The counterweight includes a counterweight frame, and an existing guide shoe provided on the counterweight frame and guided by the counterweight guide rail.
An existing guide shoe mounting bolt hole into which a guide shoe mounting bolt for fixing the existing guide shoe to the counterweight frame is inserted is formed in the counterweight frame.
The rotating guide shoe support portion is formed with a rotating guide shoe mounting bolt hole that overlaps with the existing guide shoe mounting bolt hole,
The rotating guide shoe support portion is configured such that the existing guide shoe is removed from the counterweight frame, and the guide shoe mounting bolt is inserted into the rotating guide shoe mounting bolt hole and the existing guide shoe mounting bolt hole. The elevator balance weight carrying-in / out apparatus according to claim 1, wherein the elevator balance weight is attached to the balance weight frame.   When the first end moves along the carrying-in / out support member, a roller that rolls the carrying-in / out support member, and a roller that rotatably supports the roller and is attached to the first end. The elevator balance weight carrying-in / out apparatus according to claim 1 or 2, further comprising a first end roller device having one roller support portion.   The elevator balance weight loading / unloading device according to claim 3, wherein the first roller support portion is attached to and detached from the balance weight together with the rotation guide shoe support portion.   A displacement roller that rolls the loading / unloading support member when the counterweight moves up and down by driving the lifting device and the second end moves along the loading / unloading support member A moving roller that rolls the loading / unloading support member when the second end moves along with the first loading / unloading support member together with the first end, the displacement roller, and the moving roller 5. The roller device for a second end further comprising a second roller support portion that rotatably supports the roller and is attached to the second end portion. 6. The elevator counterweight carrying-in / out apparatus according to one item.

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