JP7257538B2 - adjustable bracket - Google Patents

Description

TECHNICAL FIELD The present invention relates to an adjustable bracket used in an elevator system or the like.

For example, Japanese Patent Application Laid-Open No. 2002-300003 discloses a conventional technique of guide rail brackets for elevators. In Patent Document 1, a guide rail of an elevator is fixed to a hoistway wall using a lower bracket (wall-side bracket) fixed to the hoistway wall and an upper bracket (rail-side bracket) to which the guide rail is fixed. ing. The lower bracket is L-shaped and is fixed to the hoistway wall with anchor bolts through the vertical piece. The upper bracket is formed in an L shape and a guide rail is fixed to the vertical piece. Vertical bolt holes are formed in the horizontal pieces of the lower and upper brackets. Further, the lower bracket is formed with a plurality of protrusions, and the upper bracket is formed with a plurality of fitting holes that are fitted with the protrusions of the lower bracket. By changing the fitting positions of the projections of the lower bracket and the fitting holes of the upper bracket, the positions of the hoistway wall and the guide rail are adjusted, and fastening bolts are inserted into the bolt holes and fixed. there is In the technique described in Patent Document 1, by distributing the load applied to the fastening bolt to the protrusion and the fitting hole, the displacement at the joint surface between the lower bracket and the upper bracket is suppressed.

Japanese Patent Publication No. 6-102510

In the technique described in Patent Document 1, the projection formed on the horizontal piece of the lower bracket and the fitting hole formed on the horizontal piece of the upper bracket are fitted to adjust the position, so that the projection and the fitting hole are fitted. It was difficult to make fine adjustments such as fixing at a position where the matching hole did not match.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-described problems and to provide an adjustable bracket that suppresses displacement at joints between brackets and improves adjustment workability in joining.

In order to achieve the above object, the present invention provides an adjustable bracket comprising a wall bracket fixed to a wall surface and a rail side bracket connected to the wall bracket and fixing a guide rail, wherein the wall side bracket The bracket has a first laterally elongated hole formed extending laterally along the wall surface, a second laterally elongated hole formed laterally extending on the side opposite to the wall surface of the first laterally elongated hole, and a third laterally elongated hole extending laterally along the wall surface and positioned in the lateral direction of the first laterally elongated hole; a fourth laterally elongated hole formed in the rail side bracket, the rail side bracket having a first longitudinally elongated hole extending in a vertical direction orthogonal to the first laterally elongated hole and the second laterally elongated hole; a second vertically elongated hole positioned inside the vertically elongated hole and formed extending in a vertical direction perpendicular to the first horizontally elongated hole and the second horizontally elongated hole; a third vertically elongated hole extending in a vertical direction perpendicular to the first horizontally elongated hole and the second horizontally elongated hole; a wall-side end of the first vertical hole, a wall-side end of the second vertical hole, and an opposite wall-side end of the first vertical hole. and the end opposite to the wall surface side of the second elongated hole are arranged with a vertical shift, and the wall surface side end of the third elongated hole, the wall surface side end of the fourth elongated hole, and the second The end opposite to the wall surface side of the third elongated hole and the opposite end to the wall surface of the fourth elongated hole are arranged to be displaced in the vertical direction, respectively, and the end of the first elongated hole on the wall surface side and the end of the second elongated hole on the opposite side are arranged. a distance between the laterally elongated holes in the longitudinal direction between the end opposite to the wall surface side, and a distance between the longitudinally elongated holes in the longitudinal direction between the end of the first longitudinally elongated hole on the wall surface side and the end of the second longitudinally elongated hole on the opposite side of the wall surface The distance between the wall surface side end of the third horizontally elongated hole and the opposite wall surface side end of the fourth horizontally elongated hole are equalized in the vertical direction between the horizontally elongated hole distance and the wall surface side end of the third vertically elongated hole. and the end of the fourth vertical hole opposite to the wall surface, the first vertical hole is outside the second vertical hole and is closer to the wall surface than the second vertical hole the third vertical hole is located outside the fourth vertical hole and closer to the wall surface than the fourth vertical hole; and the first vertical hole in the lateral direction of the rail-side bracket. and the second vertical hole overlap between the end position of the second vertical hole on the wall surface side and the end position of the first vertical hole on the side opposite to the wall surface, and the rail side bracket laterally wherein the third vertically elongated hole and the fourth vertically elongated hole overlap between the end position of the fourth vertically elongated hole on the wall surface side and the end position of the third vertically elongated hole on the side opposite to the wall surface. characterized by

Advantageous Effects of Invention According to the present invention, it is possible to provide an adjustable bracket that suppresses displacement at joints between brackets and improves adjustment workability in joining. Problems, configurations, and effects other than those described above will be clarified by the following description of the embodiments.

1 is a schematic configuration diagram of an elevator apparatus according to an embodiment of the present invention; FIG. It is a top view of the wall side bracket and rail side bracket which concern on the Example of this invention. It is a top view which shows the connection state of the wall side bracket and rail side bracket which concern on the Example of this invention. It is a top view which shows the connection state of the wall side bracket and rail side bracket which concern on the Example of this invention. It is a top view which shows the connection state of the wall side bracket and rail side bracket which concern on the Example of this invention. FIG. 3B is a view (side view) taken along line IV-IV in FIG. 3A.

Embodiments of the present invention will be described below with reference to the drawings. In the following embodiments, an example in which the adjustable bracket is applied as an adjustable rail bracket for an elevator apparatus will be described. In this embodiment, as shown in each drawing, with reference to the paper surface, the vertical direction, wall surface/opposite wall surface, vertical direction/horizontal direction (horizontal direction) are defined.

FIG. 1 is a schematic configuration diagram of an elevator apparatus according to an embodiment of the present invention. In FIG. 1, a car 1 of an elevator system is arranged so as to be able to ascend and descend along a pair of guide rails 2A and 2B fixed to a hoistway. Also, the counterweight 3 is arranged so as to be able to move up and down along a pair of guide rails 4A and 4B fixed to the hoistway.
A main rope 6 is wound around a sheave of a hoisting machine 5 that serves as a drive source of the elevator apparatus. is provided. A car 1 and a counterweight 3 are connected by a main rope 6 wound around a sheave of a hoist 5 arranged in a machine room, and are configured to move up and down in mutually different directions while being balanced. It is

A speed governor 7 for detecting the speed of the car 1 is installed in the machine room, and a tension weight 8 is arranged in the pit of the hoistway. is wound with the speed governor rope 9. A speed governor rope 9 of the speed governor 7 is connected to an emergency stop device 10 that operates when the descending speed of the car 1 exceeds a specified value to stop the car 1 to the guide rails 2A and 2B. It is A safety device 10 is installed at the bottom of the car 1 .

In the elevator apparatus having the general configuration as described above, the guide rails 2A, 2B and the guide rails 4A, 4B are supported and fixed to the inner wall of the hoistway by elevator adjustable rail brackets having a position-adjustable configuration.

Next, the configuration of the adjustable rail bracket will be described with reference to FIGS. 2 to 4. FIG. The elevator adjustable rail bracket of this embodiment comprises a wall side bracket and a rail side bracket.

2 is a top view of a wall-side bracket and a rail-side bracket according to the embodiment of the present invention, FIGS. 3A to 3C are top views showing the connection state of the wall-side bracket and the rail-side bracket according to the embodiment of the present invention, and FIG. 3B is a view (side view) taken along line IV-IV in FIG. 3A. FIG. It should be noted that the top view is a state in which the hoistway in which the elevator is installed is viewed from above downward.

In this embodiment, the adjustable rail bracket of the elevator apparatus is described as fixing the guide rail 2A.

The wall-side bracket 11 (first bracket) has a base portion 11A arranged along the wall surface 12 of the hoistway, and a horizontal portion 11B which is bent substantially at right angles to the base portion 11A and arranged substantially horizontally. ing. The wall-side bracket 11 is L-shaped when viewed from the side. The wall-side bracket 11 is arranged along the wall surface 12 with the base portion 11A bent downward with respect to the horizontal portion 11B. The base portion 11A is fixed to the wall surface 12 using anchor bolts 13 embedded in the wall surface.

The rail-side bracket 14 (second bracket) has a horizontal portion 14A and a vertical portion 14B that is bent upward at a substantially right angle to the horizontal portion 14A. The rail-side bracket 14 is L-shaped when viewed from the side.

The horizontal portion 14A of the rail-side bracket 14 is placed on the upper surface side of the horizontal portion 11B of the wall-side bracket 11, and the overlapping portion of the horizontal portion 11B and the horizontal portion 14A is formed by the first bolt 15A and the first nut 16A (first bolt 15A). fastening means), and the second bolt 15B and the second nut 16B (second fastening means). Thus, the wall-side bracket 11 and the rail-side bracket 14 are connected. In a state in which the wall-side bracket 11 and the rail-side bracket 14 are connected, the vertical portion 14B of the rail-side bracket 14 is bent upward with respect to the horizontal portion 14A.

As shown in FIGS. 3A to 3C, the guide rail 2A has a substantially T-shaped cross section cut across the longitudinal direction, and both ends of the T-shaped head are held by rail clips 19A and 19B. and fixed by bolt 20A and nut 21A and bolt 20B and nut 21B.

Next, the structures of the wall-side bracket 11 and the rail-side bracket 14 will be described. In the horizontal portion 11B of the wall-side bracket 11, as shown in FIGS. 2 and 3, a plurality of laterally elongated holes (first laterally elongated hole 17A, second laterally elongated hole 17B, third laterally elongated hole 17C, fourth A laterally elongated hole 17D) is formed. The first horizontally elongated hole 17A, the second horizontally elongated hole 17B, the third horizontally elongated hole 17C, and the fourth horizontally elongated hole 17D extend in the left-right direction. In other words, the first horizontally elongated hole 17A, the second horizontally elongated hole 17B, the third horizontally elongated hole 17C, and the fourth horizontally elongated hole 17D are formed parallel to the wall surface 12 when the wall bracket 11 is fixed to the wall surface 12. ing.

The first laterally elongated hole 17A and the second laterally elongated hole 17B are arranged side by side toward the wall surface 12 in the front-rear direction (wall surface/anti-wall surface). Similarly, the third laterally elongated hole 17C and the fourth laterally elongated hole 17D are arranged side by side toward the wall surface 12 in the front-rear direction (wall surface/anti-wall surface).

Here, in this embodiment, the outer peripheral side of the wall-side bracket 11 is defined as the outer side, and the one positioned closer to the center than the outer side is defined as the inner side. The positions of the outer ends of the third laterally elongated hole 17C and the fourth laterally elongated hole 17D coincide on the straight line L11. Further, the positions of the inner ends of the third laterally elongated hole 17C and the fourth laterally elongated hole 17D are aligned on the straight line L12. Although not shown, the positional relationship between the first laterally elongated hole 17A and the second laterally elongated hole 17B is the same.

On the other hand, the horizontal portion 14A of the rail-side bracket 14 is formed with a plurality of vertically elongated holes (first vertically elongated hole 18A, second vertically elongated hole 18B, third vertically elongated hole 18C, and fourth vertically elongated hole 18D). . These first vertically elongated hole 18A, second vertically elongated hole 18B, third vertically elongated hole 18C, and fourth vertically elongated hole 18D extend from the wall surface 12 toward the opposite wall surface (in the vertical direction). In other words, the plurality of vertically elongated holes (first vertically elongated hole 18A, second vertically elongated hole 18B, third vertically elongated hole 18C, fourth vertically elongated hole 18D) are aligned with the plurality of horizontally elongated holes (first horizontally elongated hole 17A, second horizontally elongated hole 17B). , third laterally elongated hole 17C, and fourth laterally elongated hole 17D). In this way, the longitudinal direction of the plurality of horizontally elongated holes (first horizontally elongated hole 17A, second horizontally elongated hole 17B, third horizontally elongated hole 17C, fourth horizontally elongated hole 17D) and the plurality of vertically elongated holes (first vertically elongated hole 18A) , second vertical hole 18B, third vertical hole 18C, and fourth vertical hole 18D) are perpendicular to each other. Also, the first longitudinally elongated hole 18A is positioned outside the second longitudinally elongated hole 18B, and the third longitudinally elongated hole 18C is positioned outwardly of the fourth longitudinally elongated hole 18D (the second longitudinally elongated hole 18B is located outside the first longitudinally elongated hole 18D). 18A, and the fourth longitudinal hole 18D is positioned inner than the third longitudinal hole 18C).

The positions of the ends in the longitudinal direction of the third longitudinally elongated hole 18C and the fourth longitudinally elongated hole 18D are displaced in the longitudinal direction. The end position L21 of the third vertically elongated hole 18C on the wall surface 12 side is located closer to the wall surface 12 than the end position L22 of the fourth vertically elongated hole 18D on the wall surface 12 side. The position L31 of the end of the third vertically elongated hole 18C on the side opposite to the wall surface is located closer to the wall surface 12 than the position L32 of the end of the fourth vertically elongated hole 18D on the side opposite to the wall surface. The third vertically elongated hole 18C is arranged outside the fourth vertically elongated hole 18D and closer to the wall surface 12 than the fourth vertically elongated hole 18D.

In this manner, the ends of the third longitudinally elongated hole 18C and the fourth longitudinally elongated hole 18D are displaced from each other in the longitudinal direction, but the third longitudinally elongated hole 18C and the fourth longitudinally elongated hole 18D partially overlap in the lateral direction. ing. That is, in the lateral direction of the rail-side bracket 14, the third vertically elongated hole 18C and the fourth vertically elongated hole 18D are located at the end position L22 on the wall surface 12 side of the fourth vertically elongated hole 18D and at the opposite wall surface side of the third vertically elongated hole 18C. It overlaps with the end position L31. Similarly, in the horizontal direction of the rail-side bracket 14, the first vertical hole 18A and the second vertical hole 18B are positioned at the end of the second vertical hole 18B on the wall surface 12 side and on the side opposite the wall surface of the first vertical hole 18A. It overlaps between the end positions.

The positional relationship between the first vertical hole 18A and the second vertical hole 18B is the same. The positions of the ends in the longitudinal direction of the first longitudinally elongated hole 18A and the second longitudinally elongated hole 18B are displaced in the longitudinal direction. The end of the first longitudinal hole 18A on the wall surface 12 side is located closer to the wall surface 12 than the end of the second longitudinal hole 18B on the wall surface 12 side. The end of the first vertically elongated hole 18A on the side opposite to the wall surface is positioned closer to the wall surface 12 than the end of the second vertically elongated hole 18B on the side opposite to the wall surface. The first vertical hole 18A is arranged outside the second vertical hole 18B and closer to the wall surface 12 than the second vertical hole 18B.

As described above, the first vertically elongated hole 18A, which is located outside the second vertically elongated hole 18B, is arranged to be shifted toward the wall surface 12 from the second vertically elongated hole 18B, and is located outside the fourth vertically elongated hole 18D. The third vertically elongated hole 18C is arranged to be shifted toward the wall surface 12 from the fourth vertically elongated hole 18D.

Further, the first horizontally elongated hole 17A is formed so that its horizontal length W1 (width) is longer than the vertical length W2 (width) of the first vertically elongated hole 18A (W1>W2 ). Similarly, the second horizontally elongated hole 17B is formed so that its horizontal length (width) is longer than the vertical length (width) of the second vertically elongated hole 18B. , and the length (width) in the horizontal direction is longer than the length (width) in the vertical direction of the third vertical hole 18C. ) is longer than the vertical length (width) of the fourth vertical hole 18D.
The vertical length (width) of the second vertical hole 18B, the third vertical hole 18C, and the fourth vertical hole 18D is the same as the vertical length W2 (width) of the first vertical hole 18A.

Furthermore, the distance W3 between the outer end of the first vertically elongated hole 18A and the inner end of the second vertically elongated hole 18B is equal to or less than the horizontal length W1 (width) of the first horizontally elongated hole 17A ( W3≦W1). Similarly, the distance between the outer edge of the third vertically elongated hole 18C and the inner edge of the fourth vertically elongated hole 18D is equal to or smaller than the horizontal length (width) of the third horizontally elongated hole 17C.

Furthermore, the distance D1 between the laterally elongated holes in the vertical direction between the end of the first laterally elongated hole 17A on the side of the wall surface 12 and the end of the second laterally elongated hole 17B on the side opposite to the wall surface is is substantially equal to the vertical hole distance D2 in the vertical direction between the side end and the opposite wall side end of the second vertical hole 18B (D1=D2). Similarly, the distance between the laterally elongated holes in the longitudinal direction between the end of the third laterally elongated hole 17C on the wall surface 12 side and the end of the fourth laterally elongated hole 17D on the side opposite to the wall surface is and the end of the fourth longitudinal hole 18D opposite to the wall surface side.

A first bolt 15A is installed from the wall bracket 11 side at a position where the first vertically elongated hole 18A and the first horizontally elongated hole 17A or the second horizontally elongated hole 17B, or the second vertically elongated hole 18B and the second horizontally elongated hole 17B overlap. The wall-side bracket 11 and the rail-side bracket 14 are coupled by inserting and tightening the first nut 16A to the insertion-side tip.

Similarly, a second bolt 15B is installed from the wall bracket 11 side at a position where the third vertically elongated hole 18C and the third horizontally elongated hole 17C or the fourth horizontally elongated hole 17D, or the fourth vertically elongated hole 18D and the fourth horizontally elongated hole 17D overlap. is inserted, and the wall-side bracket 11 and the rail-side bracket 14 are coupled by screwing and tightening the second nut 16B to the insertion-side tip.

Next, the state of connection between the wall-side bracket 11 and the rail-side bracket 14 will be described with reference to FIGS. 3A to 3C. 3A shows the state where the distance between the wall surface 12 and the guide rail 2A is the farthest, FIG. 3C shows the state where the distance between the wall surface 12 and the guide rail 2A is the shortest, and FIG. 3B shows the distance between the wall surface 12 and the guide rail 2A at the intermediate position. It is in a state of

In FIG. 3A, the outside of the second horizontally elongated hole 17B located on the side opposite to the wall surface side of the first horizontally elongated hole 17A overlaps with the wall surface 12 side of the first vertically elongated hole 18A located outside of the second vertically elongated hole 18B. In this state, the first bolt 15A is inserted from the wall side bracket 11 side, the first nut 16A is tightened, and the wall side bracket 11 and the rail side bracket 14 are fixed.

Similarly, the outside of the fourth horizontally elongated hole 17D located on the side opposite to the wall surface side of the third horizontally elongated hole 17C overlaps with the wall surface 12 side of the third vertically elongated hole 18C located outside of the fourth vertically elongated hole 18D. In this state, the second bolt 15B is inserted from the wall side bracket 11 side, the second nut 16B is tightened, and the wall side bracket 11 and the rail side bracket 14 are fixed.

As described above, when the distance between the wall surface 12 and the guide rail 2A is the most distant, the second horizontally elongated hole 17B and the first vertically elongated hole 18A, and the fourth horizontally elongated hole 17D and the third vertically elongated hole 18C are used to adjust the horizontal direction. and adjust the vertical position.

Next, in FIG. 3B, the inside of the second horizontally elongated hole 17B located on the side opposite to the wall surface side of the first horizontally elongated hole 17A overlaps with the wall surface 12 side of the second vertically elongated hole 18B located inside of the first vertically elongated hole 18A. ing. In this state, the first bolt 15A is inserted from the wall side bracket 11 side, the first nut 16A is tightened, and the wall side bracket 11 and the rail side bracket 14 are fixed.

Similarly, the inner side of the fourth laterally elongated hole 17D positioned on the side opposite to the wall surface side of the third laterally elongated hole 17C overlaps with the wall surface 12 side of the fourth longitudinally elongated hole 18D positioned on the inner side of the third longitudinally elongated hole 18C. In this state, the second bolt 15B is inserted from the wall side bracket 11 side, the second nut 16B is tightened, and the wall side bracket 11 and the rail side bracket 14 are fixed.

Next, in FIG. 3C, the outside of the first horizontally elongated hole 17A located closer to the wall surface 12 than the second horizontally elongated hole 17B overlaps with the wall surface 12 side of the first vertically elongated hole 18A located outside the second vertically elongated hole 18B. ing. In this state, the first bolt 15A is inserted from the wall side bracket 11 side, the first nut 16A is tightened, and the wall side bracket 11 and the rail side bracket 14 are fixed.

Similarly, the outside of the third horizontally elongated hole 17C located closer to the wall surface 12 than the fourth horizontally elongated hole 17D overlaps with the wall surface 12 side of the third vertically elongated hole 18C located outside of the fourth vertically elongated hole 18D. In this state, the second bolt 15B is inserted from the wall side bracket 11 side, the second nut 16B is tightened, and the wall side bracket 11 and the rail side bracket 14 are fixed.

Now, in FIG. 3B, the inside of the second oblong hole 17B overlaps the wall surface 12 side of the second oblong hole 18B, and the outside of the second oblong hole 17B and the side opposite to the wall surface of the first oblong hole 18A are aligned. are overlapping. Similarly, the inside of the fourth horizontally elongated hole 17D overlaps the wall surface 12 side of the fourth vertically elongated hole 18D, and the outside of the fourth horizontally elongated hole 17D overlaps with the opposite side of the wall surface of the third vertically elongated hole 18C. . In FIG. 3C, the outside of the first horizontally elongated hole 17A overlaps the wall surface 12 side of the first vertically elongated hole 18A, and the inside of the second horizontally elongated hole 17B and the opposite side of the wall surface of the second vertically elongated hole 18B overlap. overlapping. Similarly, the outside of the third horizontally elongated hole 17C overlaps with the wall surface 12 side of the third vertically elongated hole 18C, and the inside of the fourth horizontally elongated hole 17D overlaps with the opposite side of the wall surface of the fourth vertically elongated hole 18D.

In this embodiment, as shown in FIG. 2, the distance D1 between the laterally elongated holes in the vertical direction between the end of the first laterally elongated hole 17A on the side of the wall surface 12 and the end of the second laterally elongated hole 17B on the side opposite to the wall surface is and the vertical hole distance D2 in the vertical direction between the end of the first vertical hole 18A on the side of the wall surface 12 and the end of the second vertical hole 18B opposite to the wall surface (D1=D2). . Similarly, the distance between the laterally elongated holes in the vertical direction between the end of the third laterally elongated hole 17C on the wall surface 12 side and the end of the fourth laterally elongated hole 17D on the side opposite to the wall surface, and and the end of the fourth vertical hole 18D on the side opposite to the wall surface.

In adjusting the position opposite the wall surface (vertical direction) from the wall surface 12, for example, it is possible to make the vertical length W2 (width) of the first vertical hole 18A equal to the distance D2 between the vertical holes. In this embodiment, the vertical length W2 (width) of the first oblong holes 18A is set shorter than the distance D2 between the oblong holes, and the distance D2 between the oblong holes is combined with the vertical length of the second oblong holes 18B. We are trying to ensure That is, in this embodiment, the vertical hole for adjusting the position in the vertical direction is divided into the first vertical hole 18A and the second vertical hole 18B, and the position of the end of the first vertical hole 18A on the wall surface 12 side, The position of the end of the second vertically elongated hole 18B on the side of the wall surface 12 is shifted in the vertical direction. The position of the end portion on the wall surface side is shifted and arranged. Furthermore, the first vertical hole 18A and the second vertical hole 18B, which are divided vertical holes, are arranged so that the vertical position can be continuously adjusted in the vertical direction. 2 A portion is provided that overlaps in the lateral direction with the end portion of the wall surface 12 side of the vertically elongated hole 18B. As a result, the distance D2 between the longitudinal holes is less than twice the longitudinal length W2 of the first longitudinal holes 18A (D2<W2×2).

The wall-side bracket 11 and the rail-side bracket 14 are fixed by a first bolt 15A and a first nut 16A, and a second bolt 15B and a second nut 16B. It may be slippery.

For this reason, in this embodiment, the vertically elongated hole for adjusting the position in the vertical direction is divided into a plurality of first vertically elongated holes 18A and second vertically elongated holes 18B. Reduced vertical length.

According to this embodiment, the longitudinal hole is divided into a plurality of the first longitudinal holes 18A and the second longitudinal holes 18B within the distance D2 between the longitudinal holes of the rail side bracket 14, and the divided first longitudinal holes 18A Since the length W2 of the hole in the vertical direction is shorter than the distance D2 between the vertical holes, even if the rail side bracket 14 slips, the deviation of the rail side bracket 14 is less than the distance D2 between the vertical holes. can be accommodated within the short distance W2.

In this embodiment, the first longitudinal hole 18A is located outside the second longitudinal hole 18B, and the third longitudinal hole 18C is located outside the fourth longitudinal hole 18D. The rail center of the guide rail 2A fixed to the rail-side bracket 14 is located on the lateral centerline of the rail-side bracket 14. As shown in FIG. The first vertically elongated hole 18A located outside the rail-side bracket 14 is arranged closer to the wall surface 12 than the second vertically elongated hole 18B. 12 side.

In order to suppress slippage of the rail-side bracket 14 caused by the load received by the guide rail 2A, the positions of the first bolt 15A and the second bolt 15B that fix the wall-side bracket 11 and the rail-side bracket 14 are adjusted so that the guide rail 2A receives the load. It is preferable to make the distance from 2A as close as possible. On the other hand, it is preferable to keep the distance between the first bolt 15A and the second bolt 15B as large as possible.

For this reason, in this embodiment, the first vertical hole 18A, which is farther from the guide rail 2A, is positioned outside the second vertical hole 18B, and similarly, the third vertical hole 18C is positioned further than the fourth vertical hole 18D. positioned outside.

In the state shown in FIG. 3A in which the wall surface 12 and the guide rail 2A are most distant and in the state in which the wall surface 12 and the guide rail 2A are closest to each other shown in FIG. Although it is the farthest position from the guide rail 2A, the distance between the first bolt 15A and the second bolt 15B is also the farthest position, so that the rail-side bracket 14 can be prevented from slipping.

In this embodiment, the first bolt 15A and the first nut 16A, and the second bolt 15B and the second nut 16B are used as fastening means for the wall bracket 11 and the rail side bracket 14, but the form of the fastening means does not matter.

In addition, the present invention is not limited to the above-described embodiments, and includes various modifications. For example, the above-described embodiments have been described in detail for easy understanding of the present invention, and are not necessarily limited to those having all the described configurations. It is also possible to replace part of the configuration of one embodiment with the configuration of another embodiment, or to add the configuration of another embodiment to the configuration of one embodiment. Moreover, it is possible to add, delete, or replace a part of the configuration of each embodiment with another configuration.

DESCRIPTION OF SYMBOLS 1... Car, 2A, 2B, 4A, 4B... Guide rail, 3... Balance weight, 5... Winding machine, 6... Main rope, 7... Speed governor, 8... Tensioning weight, 9... Speed governor Rope 10 Safety device 11 Wall bracket 11A Base 11B Horizontal part 12 Wall surface 13 Anchor bolt 14 Rail bracket 14A Horizontal part 14B Vertical part 15A First bolt 15B Second bolt 16A First nut 16B Second nut 17A First horizontally elongated hole 17B Second horizontally elongated hole 17C Third horizontally elongated hole 17D Fourth horizontally elongated hole 18A... 1st vertical hole 18B... 2nd vertical hole 18C... 3rd vertical hole 18D... 4th vertical hole 19A, 19B... rail clip 20A, 20B... bolt 21A, 21B... nut

Claims (3)

An adjustable bracket comprising a wall-side bracket fixed to a wall surface and a rail-side bracket connected to the wall-side bracket and fixing a guide rail,
The wall bracket is
a first laterally elongated hole extending laterally along the wall surface;
a second laterally elongated hole formed on the side opposite to the wall surface of the first laterally elongated hole and extending in the lateral direction;
a third laterally elongated hole extending laterally along the wall surface and formed laterally of the first laterally elongated hole;
a fourth laterally elongated hole formed extending in the lateral direction on the side opposite to the wall surface of the third laterally elongated hole;
The rail side bracket is
a first longitudinally elongated hole extending in a longitudinal direction orthogonal to the first laterally elongated hole and the second laterally elongated hole;
a second vertically elongated hole positioned inside the first vertically elongated hole and extending in a vertical direction perpendicular to the first horizontally elongated hole and the second horizontally elongated hole;
a third vertically elongated hole positioned in the horizontal direction of the first vertically elongated hole and extending in a vertical direction orthogonal to the first horizontally elongated hole and the second horizontally elongated hole;
a fourth vertical hole located inside the third vertical hole and extending in a vertical direction perpendicular to the first horizontal hole and the second horizontal hole;
The wall surface side end of the first vertical hole and the wall surface side end of the second vertical hole, and the opposite wall surface side end of the first vertical hole and the opposite wall surface side end of the second vertical hole are respectively vertically staggered,
The wall surface side end of the third vertical hole and the wall surface side end of the fourth vertical hole, and the end opposite the wall surface side of the third vertical hole and the end opposite the wall surface of the fourth vertical hole are respectively vertically staggered,
a distance between the wall surface side end of the first horizontally elongated hole and the opposite wall surface side end of the second horizontally elongated hole in the longitudinal direction; Equalize the distance between the longitudinally elongated holes in the vertical direction between the ends of the holes on the side opposite to the wall surface,
a distance between the wall surface side end of the third horizontally elongated hole and the opposite wall surface side end of the fourth horizontally elongated hole in the longitudinal direction; Equalize the distance between the longitudinally elongated holes in the vertical direction between the ends of the holes on the side opposite to the wall surface,
the first vertical hole is arranged outside the second vertical hole and closer to the wall surface side than the second vertical hole;
the third vertical hole is arranged outside the fourth vertical hole and closer to the wall surface side than the fourth vertical hole;
In the lateral direction of the rail-side bracket, the first vertical hole and the second vertical hole are located between the end position of the second vertical hole on the wall surface side and the end position of the first vertical hole on the opposite wall surface side. overlap between
In the lateral direction of the rail-side bracket, the third vertical hole and the fourth vertical hole are located between the end position of the fourth vertical hole on the wall surface side and the end position of the third vertical hole on the opposite wall surface side. An adjustable bracket characterized by overlapping between them . In claim 1 ,
The vertical hole-to-hole distance in the vertical direction between the wall surface side end of the first vertical hole and the opposite wall surface side end of the second vertical hole is the vertical length of the first vertical hole or the second vertical hole. less than twice the height,
The distance between the vertical holes in the vertical direction between the end of the third vertical hole on the wall surface side and the end of the fourth vertical hole on the opposite side to the wall surface is the length of the third vertical hole or the fourth vertical hole in the vertical direction. An adjustable bracket, characterized in that it is less than twice as wide. In claim 2 ,
The distance between the outer end of the first longitudinally elongated hole and the inner end of the second longitudinally elongated hole is equal to or smaller than the horizontal length of the first transversely elongated hole,
An adjustable bracket, wherein the distance between the outer end of the third longitudinally elongated hole and the inner end of the fourth longitudinally elongated hole is equal to or smaller than the lateral length of the third laterally elongated hole.

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