WO2008023406A1

WO2008023406A1 - Rail holding device for elevator

Info

Publication number: WO2008023406A1
Application number: PCT/JP2006/316393
Authority: WO
Inventors: Eiji Ando
Original assignee: Mitsubishi Electric Corporation
Priority date: 2006-08-22
Filing date: 2006-08-22
Publication date: 2008-02-28
Also published as: JPWO2008023406A1

Abstract

A support body is secured to a hoistway. The support body supports a pair of rail clips is supported. At least one of the paired rail clips is fixed to the support body by a clip- fixing device. The pair of rail clips comprises a pair of clip bodies disposed on the rear surface side of a guide rail for guiding a vertically moving body and a pair of claw parts provided on the clip bodies and hooked to one and the other side parts of the guide rail. The guide rail is held by the claw parts. The clip bodies are tightened to each other by a clip-tightening device in such a direction that the claw parts approach each other.

Description

Specification

Elevator rail holding device

Technical field

TECHNICAL FIELD [0001] The present invention relates to an elevator rail holding device for holding a guide rail for guiding an elevator lifting body.

Background art

Conventionally, in order to hold a guide rail in a hoistway, a pair of rail clips is attached to a rail bracket fixed in the hoistway, and the guide rail of an elevator that holds the guide rail to the rail bracket with each rail clip Fixing devices have been proposed. Each rail clip is disposed outside the guide rail in the width direction (see Patent Document 1).

[0003] Patent Document 1: Japanese Patent Application Laid-Open No. 2005-104673

Disclosure of the invention

Problems to be solved by the invention

[0004] In such a conventional elevator guide rail fixing device, each rail clip is arranged on the outer side in the width direction of the guide rail, so that the size of the rail bracket is larger in the width direction of the guide rail. I'll end up. This restricts the degree of freedom in designing the layout of the equipment in the hoistway, making it impossible to save space in the hoistway.

[0005] For example, when the guide rail guides the counterweight, if the rail bracket that supports the guide rail protrudes to the car side relative to the counterweight, even if it is desired to bring the car closer to the counterweight in the horizontal direction. It becomes impossible to approach by the rail bracket. In other words, in the horizontal direction, the degree of freedom in the layout design of the car and the counterweight is limited by the rail bracket, and the horizontal cross-sectional area of the hoistway cannot be reduced.

[0006] The present invention has been made to solve the above-described problems, and an object of the present invention is to provide an elevator rail holding device that can save space in a hoistway. Means for solving the problem

[0007] An elevator rail holding device according to the present invention includes a guide rail for guiding a lifting body. It has a pair of clip bodies arranged on the back side and a pair of claws provided on each of the clip bodies and hung on one side and the other side of the guide rail, respectively. A pair of rail clips to be sandwiched, a clip fastening device for fastening the clip bodies to each other in a direction in which the respective claws approach each other, a support body for supporting each rail clip, and a clip fixing device for fixing at least one of the rail clips to the support body Is equipped.

Brief Description of Drawings

FIG. 1 is a top view showing a rail holding device for an elevator according to Embodiment 1 of the present invention.

2 is a side view showing the elevator rail holding device of FIG. 1. FIG.

FIG. 3 is a bottom view showing the rail holding device of the elevator of FIG. 1.

FIG. 4 is a top view showing a rail holding device for an elevator according to Embodiment 2 of the present invention.

FIG. 5 is a side view showing the rail holding device for the elevator shown in FIG. 4.

FIG. 6 is a bottom view showing the rail holding device for the elevator shown in FIG.

FIG. 7 is a top view showing a rail holding device for an elevator according to Embodiment 3 of the present invention.

FIG. 8 is a side view showing the rail holding device for the elevator shown in FIG.

FIG. 9 is a bottom view showing the rail holding device for the elevator shown in FIG. 7.

BEST MODE FOR CARRYING OUT THE INVENTION

Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings.

Embodiment 1.

FIG. 1 is a top view showing an elevator rail holding apparatus according to Embodiment 1 of the present invention. FIG. 2 is a side view showing the rail holding device for the elevator shown in FIG. FIG. 3 is a bottom view showing the rail holding device for the elevator shown in FIG. In the figure, a car (elevating body) 2 and a counterweight (elevating body) 3 are provided in the hoistway 1 so as to be movable up and down (FIG. 1). In the hoistway 1, a pair of car guide rails (not shown) for guiding the force 2 and a pair of counterweight guide rails 4 for guiding the counterweight 3 are installed. Yes. A force 2 is placed between each car guide rail, and a counterweight 3 is placed between each counterweight guide rail 4. In the figure, only one counterweight guide rail 4 is shown.

The counterweight 3 and each counterweight guide rail 4 are arranged between the inner wall surface 5 of the hoistway 1 and the car 2 in the vertical projection plane of the hoistway 1. Further, the counterweight guide rails 4 face each other so that the planes connecting the counterweight guide rails 4 are arranged along the inner wall surface 5 of the hoistway 1 and the side surfaces of the car 2, respectively. ing. Furthermore, the counterweight 3 is arranged between the counterweight guide rails 4 so that the thickness direction of the counterweight 3 is perpendicular to the plane connecting the counterweight guide rails 4. RU

[0011] Each counterweight guide rail 4 has a flange portion 6 arranged along the thickness direction of the counterweight 3, and a guide portion 7 protruding from the flange portion 6 toward the counterweight 3 side. is doing. The surface opposite to the counterweight 3 side of the flange portion 6 is the back surface of the counterweight guide rail 4. Further, the end portion in the width direction of the flange portion 6 is a side portion of the counterweight guide rail 4.

The counterweight 3 is moved along each guide portion 7. Each counterweight guide rail 4 is held in the hoistway 1 by a plurality of rail holding devices 8 arranged at intervals in the movement direction of the counterweight 3! Speak.

[0013] Each rail holding device 8 supports a pair of rail clips 9, 10 sandwiching the flange portion 6, a clip fastening device 11 provided between the rail clips 9, 10, and each rail clip 9, 10. A rail bracket (supporting body) 12 and a pair of clip fixing devices 13 for fixing each of the rail clips 9 and 10 to the rail bracket 12.

[0014] One rail clip 9 is provided on the clip body 14 disposed on the back side of the counterweight guide rail 4 and the clip main body 14 and is hooked on one side of the counterweight guide rail 4. And claw portion 15. The other rail clip 10 includes a clip body 16 disposed on the back side of the counterweight guide rail 4, and a claw portion 17 provided on the clip body 16 and hung on the other side of the counterweight guide rail 4. And have. Each clip body 14, 16 is a pair of clip bodies, and each claw portion 15, 17 is a pair of claw portions.

[0015] The rail clips 9, 10 are spaced from each other in the width direction of the counterweight guide rail 4. Are arranged. Each rail clip 9, 10 has a counterweight guide rail 4 sandwiched between the claw portions 15, 17. The clip bodies 14 and 16 are fastened to each other by the clip fastening device 11 in the direction in which the claw portions 15 and 17 approach each other.

One clip body 14 includes a receiving portion 18 provided with a claw portion 15, and a facing portion provided on the receiving portion 18 and disposed on the inner side in the width direction of the counterweight guide rail 4 than the claw portion 15. 19 and a fixing portion 20 provided in the receiving portion 18 and the facing portion 19 and fixed to the rail bracket 12 by one clip fixing device 13. The other clip body 16 includes a receiving portion 21 provided with a claw portion 17 and a facing portion provided on the receiving portion 21 and disposed on the inner side in the width direction of the counterweight guide rail 4 than the claw portion 17. 22 and a fixing portion 23 provided on the receiving portion 21 and the facing portion 22 and fixed to the rail bracket 12 by the other clip fixing device 13.

Each receiving portion 18, 21 is arranged along the back surface of the counterweight guide rail 4. Further, the receiving portions 18 and 21 are in contact with the back surface of the counterweight guide rail 4.

[0018] Each of the opposing portions 19 and 22 protrudes the receiving portions 18 and 21 in the direction in which the force of the counterweight guide rail 4 is also separated. Further, the facing portions 19 and 22 face each other in the width direction of the counterweight guide rail 4.

The fixed portions 20 and 23 are arranged along the width direction of the counterweight guide rail 4 and are arranged perpendicular to the back surface of the counterweight guide rail 4.

The clip fastening device 11 is provided between the facing portions 19 and 22. Further, the clip fastening device 11 fastens the facing portions 19 and 22 to each other. The clip bodies 14 and 16 are tightened by the clip fastening device 11 by tightening the facing portions 19 and 22 in a direction approaching each other. The receiving portions 18 and 21 are pressed against the back surface of the counterweight guide rail 4 when the clip bodies 14 and 16 are tightened.

The clip fastening device 11 includes a fastening bolt 24 and a fastening nut 25 that is screwed to the fastening bolt 24. Each of the facing portions 19 and 22 is provided with a fastening through hole (not shown) through which a common fastening bolt 24 is passed. The fastening nut 25 is screwed into the fastening bolt 24 that is passed through each fastening through hole. The fastening force of the clip fastening device 11 is adjusted by adjusting the screwing amount of the fastening nut 25 to the fastening bolt 24. [0022] The rail bracket 12 is fixed to the inner wall surface 5 of the hoistway 1 by a plurality of anchor bolts 26, and is fixed to the wall surface fixing portion 27, and horizontally on the back side of the counterweight guide rail 4. And a clip support 28 disposed on the surface. Each rail clip 9, 10 is fixed to a tip support 28.

Each clip fixing device 13 has a fixing bolt 29 and a fixing nut 30 screwed into the fixing bolt 29. Each fixing portion 20, 23 is provided with a clip side through hole (not shown) through which the fixing bolt 29 is passed. Further, the clip support part 28 is provided with a pair of support side through holes (not shown) through which the fixing bolts 29 passed through the clip side through holes of the fixing parts 20 and 23 are respectively passed. . Each fixing nut 30 is screwed into each fixing bolt 29 passed through the clip side through hole and the support side through hole. Each rail clip 9, 10 is supported by a fastening portion 20 and a clip support portion 28, and a fastening portion 23 and a clip support portion 28 are tightened between a fastening bolt 29 and a fastening nut 30, respectively. Fixed to part 28.

[0024] The end of the clip support portion 28 on the car 2 side is positioned farther from the force cage 2 than the end of the car clip 2 side of one rail clip (rail clip disposed on the car 2 side) 9. Has been placed. Also, the dimension gl between one rail clip 9 and the car 2 is larger than the dimension g2 between the counterweight 3 and the force cage 2 (Fig. 1).

[0025] Each car guide rail is also held in the hoistway 1 by a plurality of rail holding devices having the same configuration as the rail holding device 8! Speak.

Next, a procedure for installing the counterweight guide rail 4 in the hoistway 1 will be described. First, a plurality of rail brackets 12 are arranged at intervals in the moving direction of the counterweight 3, and each rail bracket 12 is fixed to the inner wall surface 5 of the hoistway 1 with anchor bolts 26. Then, attach each rail clip 9, 10 to the counterweight guide rail 4 according to the position of each rail bracket 12.

[0027] When attaching the rail clips 9, 10 to the counterweight guide rail 4, the claws 15, 17 are fished so that the opposing portions 1, 9, 22 face each other on the back side of the counterweight guide rail 4. Hooking guide rail 4 on both sides, clip fastening device between each opposing part 19, 22 Perform by tightening with 11.

Thereafter, the rail clips 9 and 10 are fixed to the clip support portion 28 by the clip fixing devices 13. In this way, the counterweight guide rail 4 is installed in the hoistway 1.

[0029] In such an elevator rail holding device 8, when the claw portions 15, 17 are hung on both sides of the counterweight guide rail 4, the respective clip bodies 14, 16 are counterweight guide guides. Since the clip bodies 14 and 16 are fastened to each other by the clip fastening device 11 in the direction in which the claw portions 15 and 17 approach each other, the clip weight guide rail 4 is arranged on the outer side in the width direction. There is no need to fix each rail clip 9, 10. Therefore, the dimension of the rail bracket 12 can be reduced. As a result, the degree of freedom in layout design of the equipment in the hoistway 1 can be increased, and the space of the hoistway 1 can be saved.

[0030] For example, by reducing the size of the rail bracket 12 in the width direction of the counterweight guide rail 4, it is possible to prevent the rail bracket 12 from projecting to the force lever 2 side of the counterweight 3 it can. Thereby, the force 2 can be brought close to the counterweight 3 in the vertical projection plane of the hoistway 1, and the hoistway 1 can be saved in space.

[0031] Further, the counterweight guide rail 4 can be held in the hoistway 1 without drilling the counterweight guide rail 4, for example. Thereby, manufacture and installation work of the counterweight guide rail 4 can be made easy.

[0032] Further, since the opposing portions 19, 22 of the clip bodies 14, 16 are disposed on the inner side in the width direction of the counterweight guide rail 4 than the pawl portions 15, 17, the opposing portions 19, 22 A clip fastening device 11 for fastening 22 to each other V ヽ can be arranged on the inner side in the width direction of the counterweight guide rail 4 than the respective claws 15 and 17. As a result, the rail holder 8 can be further reduced in size.

[0033] Further, since the rail holding device that holds the car guide rail has the same configuration as the rail holding device 8 described above, the degree of freedom in the layout design of the equipment in the hoistway 1 can be further increased. Further, space saving of the hoistway 1 can be further achieved.

[0034] Embodiment 2.

FIG. 4 is a top view showing an elevator rail holding device according to Embodiment 2 of the present invention. It is. FIG. 5 is a side view showing the rail holding device for the elevator shown in FIG. FIG. 6 is a bottom view showing the rail holding device for the elevator shown in FIG. In the figure, each clip body 14, 16 is provided with a protrusion 41 that is pressed against the back of the counterweight guide rail 4 when each clip body 14, 16 is tightened by the clip fastening device 11. I'm being beaten.

Each projection 41 is provided on each of the receiving portions 18 and 21 at a portion facing the back surface of the counterweight guide rail 4. Further, the surface of each protrusion 41 is rounded so that the central portion of each protrusion 41 rises. Thus, when the clip bodies 14 and 16 are tightened by the clip fastening device 11, the back surface of the counterweight guide rail 4 and the receiving portions 18 and 21 are kept apart from each other, and the projections 41 Only contacts the back of the counterweight guide rail 4. Other configurations are the same as those in the first embodiment.

In such an elevator rail holding device, each clip body 14, 16 is tightened by the clip fastening device 11, and the protrusion 41 that is pressed against the back surface of the counterweight guide rail 4 has each clip. Since the main body 14 and 16 are provided, the area of the portion contacting the back of the counterweight guide rail 4 can be reduced by the projection 41, and the clip main body 14 and 16 is tightened by the clip fastening device 11. The contact pressure against the back of the counterweight guide rail 4 can be increased. Thereby, each rail clip 9, 10 can increase the force for holding the counterweight guide rail 4, and the counterweight guide rail 4 can be held more securely.

[0037] Embodiment 3.

FIG. 7 is a top view showing a rail holding device for an elevator according to Embodiment 3 of the present invention. FIG. 8 is a side view showing the rail holding device for the elevator shown in FIG. Furthermore, FIG. 9 is a bottom view showing the rail holding device of the elevator shown in FIG. In the figure, to the rail bracket 12, a grasped member 51 sandwiched between the back surface of the counterweight guide rail 4 and the clip bodies 14 and 16 is fixed.

[0038] The grasped member 51 is fixed to the surface of the clip support portion 28 on the counterweight guide rail 4 side. The gripped member 51 is a plate-like member disposed along the moving direction of the counterweight 3. [0039] The gripped member 51 is in contact with the back surface of the counterweight guide rail 4 and the protrusions 41. The counterweight guide rail 4 and the projections 41 are displaced toward each other when the clip bodies 14 and 16 are tightened by the clip fastening device 11 and are pressed against the gripped member 51, respectively. As a result, the gripped member 51 is gripped between the counterweight guide rail 4 and the clip bodies 14 and 16. Other configurations are the same as those of the second embodiment.

[0040] In such an elevator rail holding device, since the gripped member 51 sandwiched between the back surface of the counterweight guide rail 4 and the clip bodies 14, 16 is fixed to the rail bracket 12, By tightening the clip bodies 14 and 16 together with the clip fastening device 11, the gripped member 51 can be gripped between the counterweight guide rail 4 and the clip bodies 14 and 16, and the counterweight The guide rail 4 and the clip bodies 14 and 16 can be fixed to the gripping member 51. As a result, not only the clip fixing device 13 but also the rail clips 9 and 10 can be railed by gripping the gripped member 51 between the counterweight guide rail 4 and the clip bodies 14 and 16. It can be fixed to the bracket 12. That is, the number of locations for fixing the rail clips 9 and 10 to the rail bracket 12 can be increased. Therefore, each rail clip 9, 10 can be stably fixed to the rail bracket 12, and the counterweight guide rail 4 can be held more securely.

[0041] Further, since each protrusion 41 is pressed against the gripped member 51, the gripped member 51 when each clip body 14, 16 is tightened by the clip fastening device 11 1 Therefore, the gripped member 51 can be more securely gripped between the clip bodies 14 and 16 and the counterweight guide rail 4.

[0042] In the above example, each clip body 14, 16 is provided with a projection 41, and each projection 41 is brought into contact with and pressed against the gripped member 51. The protrusions 41 may be removed so that the clip bodies 14 and 16 are pressed against the gripped member 51. Even in this case, the gripped member 51 can be gripped between the counterweight guide rail 4 and the clip bodies 14 and 16, and the rail clips 9 and 10 can be stably attached to the rail bracket 12. Can be fixed. Further, in each of the above embodiments, each rail clip 9, 10 is fixed to the rail bracket 12 by each clip fixing device 13. You may make it fix to rail bracket 12 by. Even in this case, since the rail clips 9 and 10 are fastened to each other by the clip fastening device 11, the rail clips 9 and 10 can be fixed to the rail bracket 12.

Claims

The scope of the claims

[1] A pair of clip bodies arranged on the back side of the guide rail that guides the lifting body, and provided on each of the clip bodies, respectively, are respectively hooked on one side and the other side of the guide rail. And a pair of Renore clips that sandwich the guide rail by the claw portions,

A clip fastening device for fastening the clip bodies to each other in a direction in which the claw portions approach each other;

A support for supporting each of the rail clips, and

Clip fixing device for fixing at least one of the rail clips to the support body

An elevator rail holding device comprising:

[2] Each clip body includes a receiving portion provided with the claw portion, and a facing portion provided in the receiving portion and disposed on the inner side in the width direction of the guide rail than the claw portion, 2. The elevator rail according to claim 1, wherein the opposing portions oppose each other in the width direction of the guide rail, and the clip fastening device is provided between the opposing portions. Holding device.

[3] The clip body is provided with a protrusion V that is pressed against the back surface of the guide rail when each of the clip bodies is tightened by the clip fastening device. The elevator rail holding device according to claim 1.

[4] The elevator rail holding device according to [1], wherein a gripping member sandwiched between a back surface of the guide rail and the clip body is fixed to the support body.

[5] The clip body is provided with a protrusion that is pressed against the gripped member when the clip body is fastened by the clip fastening device. The elevator rail holding device according to claim 1.