JP2006256758A - Jamb centering device for elevator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To facilitate centering, and to miniaturize a device over the whole. <P>SOLUTION: A centering device 14 is structured of a grip 15 to be held by a side wall 2B of a landing opening, a jamb fixing tool 16 provided in an upper frame of the jamb 1 for an elevator arranged in the landing opening and fitted to a connecting bracket 7 for connecting a landing door opening/closing device arranged over the upper frame, and a position adjustor 17 for adjusting position of the jamb 1 for an elevator in the horizontal direction and in the depth direction crossing the horizontal direction between the jamb fixing tool 16 and the grip 15. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a centering device for a three-way frame for an elevator.

  Conventionally, when an elevator is installed in a building, a three-way frame for an elevator composed of both side frames and an upper frame arranged so as to come into contact with three sides excluding the bottom of the hall opening at the hall opening of each floor. The centering is fixed. And as the centering device used for the centering work of this three-way frame for elevator, a side wall gripping tool for gripping the landing side wall of the landing opening, a side frame gripping tool for gripping the side frame of the three-way frame for elevator, It is composed of a side frame gripping tool and a position adjusting tool that varies the relative position between the side frame gripping tool, and by operating this position adjusting tool, the three-way frame for the elevator is centered. (See, for example, Patent Document 1).

Japanese Utility Model Publication No. 61-200878 (1 page, Fig. 1 and Fig. 2)

  However, in the elevator three-way frame centering device described in Japanese Utility Model Laid-Open No. 61-200878 and the like, the side frame of the elevator three-way frame is gripped. There is a problem that the work for gripping the side frame of the elevator three-way frame becomes complicated, and the side frame of the elevator three-way frame may be damaged.

  The present invention has been made to solve the above-mentioned problems in the prior art, and an object of the present invention is to provide a three-way frame centering device for an elevator that enables easy centering work and downsizing of the entire device. There is to do.

  In order to achieve the above object, the present invention provides a gripping tool gripped by the upper end portion of the landing side wall of the landing opening, and an upper frame of the three-way frame disposed in the landing opening and disposed above the upper frame. A three-way frame fixing tool attached to a connection bracket for connecting the landing door opening and closing device to be operated, and a horizontal direction between the three-way frame fixing tool and the gripping tool and a depth direction orthogonal to the horizontal horizontal direction. The position adjusting tool for adjusting the position of the three-way frame is at least an elevator three-way frame centering device.

  Further, the present invention provides a horizontal position adjustment member having a long hole extending in the left-right horizontal direction from the three-way frame fixture toward the landing side wall of the landing opening and extending in the left-right horizontal direction. And a depth direction position adjusting member that extends from the gripping tool in the depth direction and is attached to the horizontal position adjusting member at an arbitrary position in the depth direction and at an arbitrary position of the elongated hole. Yes.

  Furthermore, the present invention is characterized in that the three-way frame fixture is constituted by a screw member screwed into a connecting screw hole of the connecting bracket and a knob member for rotating the screw member. .

  In the present invention, the gripping tool is fixed with a first nut that has one end abutting against the rear surface of the landing side wall of the landing opening and screwed to a thread formed on the outer periphery of the other end on the other end. The contact member includes a contact member provided with a fixing plate and a contact bolt screwed into a second nut provided on the fixed plate, and the contact bolt is screwed toward the front of the landing side wall of the landing opening. By doing so, the front end of the contact bolt is brought into contact with the front side of the landing side wall of the landing opening.

  According to the present invention, the three-way frame fixing tool is attached to the connecting bracket provided on the upper frame of the three-way frame, and the gripping tool is attached to the upper end of the landing side wall of the landing opening, whereby the elevator three-way frame centering device is provided. Since the centering device is reduced in size, the centering operation of the three-way frame can be easily and efficiently performed.

  Hereinafter, an embodiment of a centering device for a three-way frame for an elevator according to the present invention will be described with reference to FIGS.

  As shown in FIG. 1 or FIG. 4, the three-way frame 1 for an elevator according to an embodiment of the present invention is made of steel and is disposed on both sides so as to abut on three sides excluding the bottom side of the landing opening 2. It consists of frames 3, 3A and an upper frame 4. The upper frame 4 is fixed to a sill 5 provided on the bottom side of the both side frames 3 and 3A. The threshold 5 is fixed to the landing bottom wall 2 </ b> A of the landing opening 2 by a plurality of threshold brackets 6.

  As shown in FIG. 1 or 4, the upper frame 4 of the elevator three-way frame 1 is provided with one connection bracket 7 on each of the left and right ends of the upper frame 4. As shown in FIG. 4, the landing door opening / closing device 8 is connected and fixed to the plurality of connecting brackets 7 by the first connection bolts 9 and is used for the plurality of landing door opening / closing devices provided in the landing door opening / closing device 8. By fixing the bracket 10 to the landing upper wall 2 </ b> C with the second connecting bolt 11, the bracket 10 is disposed above the upper frame 4. The both side frames 3 and 3A of the elevator three-way frame 1 are welded and fixed to the plurality of anchors 12 placed on the landing side wall 2B through the reinforcing bars 13 after the centering operation is completed. The plurality of connecting brackets 7 are provided with connecting screw holes 7A, respectively.

  As shown in FIG. 2, the centering device 14 used for the centering work of the elevator three-way frame 1 is disposed in the landing opening 2 and the gripping tool 15 gripped by the upper end of the landing side wall 2B of the landing opening 2. The three-way frame fixture 16 is provided on the upper frame 3 of the elevator three-way frame 1 and is attached to the connecting bracket 7 for connecting the landing door opening / closing device 8 disposed above the upper frame 3. And the position of the elevator three-way frame 1 is adjusted between the three-way frame fixing tool 16 and the gripping tool 15 in the horizontal direction (arrow X direction) and the depth direction (arrow Y direction) perpendicular to the horizontal direction. The position adjustment tool 17 is provided at least.

  As shown in FIG. 2, the gripping tool 15 of the centering device 14 has one end 18 </ b> A abutting against the back surface of the landing side wall 2 </ b> B of the landing opening 2 and the other end 18 </ b> B formed on the outer periphery of the other end 18 </ b> B. A substantially L-shaped bar-shaped contact member 18 provided with a fixing plate 20 for fixing the first nut 19 screwed to the screw thread 18C, and a contact bolt 22 screwed to the second nut 21 provided on the fixing plate 20 The contact bolt 22 is screwed toward the front side of the landing side wall 2B of the landing opening 2 so that the tip 22A of the contact bolt 22 is brought into contact with the front side of the landing side wall 2B of the landing opening 2. Thus, the platform side wall 2B of the platform opening 2 is gripped to be securely attached to the platform side wall 2B. Further, the gripping tool 15 includes a first nut 19 and a contact bolt 22 that constitute the gripping tool 15, and the horizontal position adjustment member 25 and the depth that constitute the position adjustment tool 17 when the landing opening 2 is viewed from the front. It is comprised so that it may be located below rather than the direction position adjustment member 26 (refer FIG. 3).

  As shown in FIG. 2, the three-way frame fixture 16 of the centering device 14 includes a screw member 23 screwed into the connecting screw hole 7A of the connecting bracket 7 and a knob for rotating the screw member 23. It is comprised from the member 24. FIG.

  As shown in FIG. 2, the position adjusting tool 17 of the centering device 14 extends in the horizontal direction (arrow X direction) from the three-way frame fixture 16 toward the landing side wall 2B of the landing opening 2, and extends in the horizontal direction. The horizontal position adjustment member 25 having a long hole 25 </ b> A extending in the vertical direction, and an arbitrary position in the depth direction and an arbitrary position in the long hole 25 </ b> A that extends along the depth direction (arrow Y direction) of the elevator three-way frame 1. It is comprised from the depth direction position adjustment member 26 attached to the horizontal direction position adjustment member 25. As shown in FIG. The horizontal position adjusting member 25 of the position adjusting tool 17 is formed of a slide pipe, and one end 25B of the horizontal position adjusting member 25 is fixed to the screw member 23 of the three-way frame fixing tool 16.

  As shown in FIG. 2, the depth direction position adjustment member 26 of the position adjustment tool 17 includes an adjustment bolt 27 inserted into the elongated hole 25 </ b> A of the horizontal direction position adjustment member 25 and a fixing knob screwed into the adjustment bolt 27. 28 and an adjustment knob 29 screwed to the adjustment bolt 27 so that the horizontal position adjusting member 25 is sandwiched between the fixing knob 28 and the fixing knob 28. Depending on whether it is fixed at the position, centering in the depth direction (arrow Y direction) of the elevator three-way frame 1 with respect to the landing side wall 2B of the landing opening 2 is performed.

  Further, the position adjusting tool 17 holds the depth direction position adjusting member 26 composed of the adjusting bolt 27, the fixing knob 28, and the adjusting knob 29 at a position in the long hole 25A of the horizontal position adjusting member 25 so as to hold it. Centering of the left and right horizontal direction (arrow X direction) of the elevator three-way frame 1 is performed. Further, the position adjusting tool 17 and the three-way frame fixing tool 16 are respectively arranged so that the axis of the adjusting bolt 27 of the position adjusting tool 17 and the axis of the screw member 23 of the three-way frame fixing tool 16 have substantially the same height. It is attached (see FIG. 3).

  The centering operation and installation operation of the elevator three-way frame 1 using the centering device 14 having the above-described configuration are performed in the following procedure.

(1) First, the sill 5 is attached to the landing bottom wall 2A of the landing opening 2 with the sill bracket 6.

(2) Next, the three-way frame 1 for an elevator formed by assembling both the side frames 3, 3 </ b> A and the upper frame 4 in advance is placed on a sill 5 attached to the landing bottom wall 2 </ b> A of the landing opening 2.

(3) Next, the screw member 23 of the three-way frame fixture 16 in the centering device 14, one of the two centering devices 14 having the same structure prepared in advance, is attached to the upper frame 4 of the elevator three-way frame 1. One of the two connecting brackets 7 provided is applied to the connecting screw hole 7A in the connecting bracket 7, and then the knob member 24 is turned to rotate the horizontal position adjusting member 25 of the position adjusting tool 17. The centering device 14 is attached to the connecting bracket 7 of the upper frame 4 by attaching the screw member 23 to the connecting bracket 7 together with the one end 25 </ b> B.

(4) Next, the first nut 19 in the gripping tool 15 of the centering device 14 attached to the connecting bracket 7 of the upper frame 4 is rotated to adjust the fixing plate 20 to the thickness of the upper end side portion of the landing side wall 2B. The one end side 18A of the contact member 20 is locked to the back surface of the landing side wall 2B (see FIG. 2).

(5) Next, the contact bolt 22 screwed into the second nut 21 provided on the fixed plate 20 is screwed toward the landing side wall 2B, whereby the tip 22A of the contact bolt 22 and the contact member 20 are By firmly sandwiching the landing side wall 2B with the one end side 18A, the gripping tool 15 of the centering device 14 attached to the connecting bracket 7 of the upper frame 4 is attached to the landing side wall 2B.

(6) Next, the positions of the fixing knob 28 and the adjusting knob 29 with respect to the adjusting bolt 27 of the position adjusting tool 17 are adjusted so that the tilt of the elevator three-way frame 1 in the depth direction (arrow Y direction) becomes vertical.

(7) Next, in the procedures of (3) to (5), the remaining connecting bracket 7 provided on the upper frame 4 of the elevator three-way frame 1 and the remaining side wall 2B of the remaining landing opening 2 are After attaching the centering device 14, the positions of the fixing knob 28 and the adjusting knob 29 are adjusted so that the tilt in the depth direction (arrow Y direction) of the elevator three-way frame 1 is vertical.

(8) Next, the horizontal position adjustment member 25 of the position adjuster 17 is moved in the left-right direction by screwing the fixing knob 28 in the loosening direction, thereby vertically tilting the left-right direction of the elevator three-way frame 1. After the correction, the fixing knob 28 is screwed in the tightening direction to temporarily fix the elevator three-way frame 1 in the center opening state at the landing opening 2.

(9) Next, the elevator three-way frame 1 in a state in which the elevator three-way frame 1 is temporarily fixed to the landing opening 2 is welded and fixed to the anchor 12 placed on the landing side wall 2B via the reinforcing bars 13.

(10) Next, by rotating the knob member 24 of the three-way frame fixture 16 in the loosening direction, the screw member 23 of the three-side frame fixture 16 is removed from the connection screw hole 7A of the connection bracket 7, and By loosening the contact bolt 22 and removing the gripping tool 15 from the landing side wall 2B, the entire centering device 14 is removed from the landing side wall 2B of the landing opening 2 and the three-way frame 1 for an elevator.

(11) Finally, the landing door opening and closing device 8 is connected and fixed to the connecting bracket 7 of the upper frame 4 of the elevator three-side frame 1 to which the landing opening 2 is fixed by the first connecting bolt 9, and the landing door opening and closing device By fixing the plurality of landing door opening / closing device brackets 10 provided on 8 to the landing upper wall 2 </ b> C with the second connecting bolts 11, the landing door opening / closing device 8 is disposed above the upper frame 4. The centering operation and the installation operation of the three-way frame 1 are completed.

  As described above, according to the present embodiment, the screw member 23 of the three-way frame fixture 16 is screwed into the connection screw hole 7A of the connection bracket 7 provided on the upper frame 4, and at the same time, By centering the landing side wall 2B between one end side 18A of the contact member 18 and the tip 22A of the contact bolt 22, the centering device 14 is installed in the landing opening 2 without holding the side frames 3 and 3A. can do.

  Furthermore, according to the centering device 14 of the present embodiment, when the centering device 14 is installed, there is no need to directly grip the side frames 3, 3A of the elevator three-way frame 1, so the three-way elevator The side frames 3 and 3A of the frame 1 are not damaged.

  Furthermore, according to the centering device 14 of the present embodiment, the positions of the fixing knob 28 and the adjusting knob 29 with respect to the adjusting bolt 27 of the position adjusting tool 17 and the fixing knob 28 with respect to the horizontal position adjusting member 25 of the position adjusting tool 17 and By adjusting the position of the adjustment knob 29 at the left and right corners at the upper end of the hall opening 2, it is possible to easily correct the tilting in the left-right direction and the tilting in the depth direction of the elevator three-way frame 1.

  Furthermore, according to the centering device 14 of the present embodiment, the centering device 14 is not attached to the upper frame 4 at the left and right corners of the upper end of the hall opening 2 but the side frames 3 and 3A of the elevator three-way frame 1. Since it is installed using the provided connecting bracket 7, the operation of welding and fixing the side frames 3, 3A of the elevator three-way frame 1 to the anchor 12 via the reinforcing bars 13 is not obstructed by the centering device 14. The installation work of the three-way frame 1 can be performed efficiently.

It is a front view of a landing opening part showing the state where the centering device concerning one embodiment of the present invention was attached to the three-way frame for elevators. It is an enlarged top view of the centering apparatus part attached to the upper frame right end side of the three-way frame for elevators of FIG. It is an enlarged front view of the centering apparatus part attached to the upper frame left end side of the three-way frame for elevators of FIG. It is a front view of the hall opening part showing the state where the three-way frame for elevator and the hall door opening / closing device according to one embodiment of the present invention are installed

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 3 side frame for elevators 2 landing opening 2A landing bottom wall 2B landing side wall 2C landing top wall 3, 3A side frame 4 upper frame 5 threshold 6 threshold bracket 7 connection bracket 7A connection screw hole 8 landing door opening / closing device 9 1st Connection bolt 10 Bracket for landing door opening / closing device 11 Second connection bolt 12 Anchor 13 Reinforcing bar 14 Centering device 15 Gripping tool 16 Three-way frame fixing tool 17 Position adjustment tool 18 Abutting member 18A One end side 18B The other end side 18C Screw thread 19 First 1 nut 20 fixing plate 20 abutting member 21 second nut 22 abutting bolt 23 screw member 24 knob member 25 horizontal position adjusting member 25A long hole 25B one end 26 depth direction position adjusting member 27 adjusting bolt 28 fixing knob 29 adjusting knob

Claims (4)

  A connection for connecting a gripping tool gripped at the upper end of the landing side wall of the landing opening and a landing door opening / closing device provided on the upper frame of the three-way frame disposed at the landing opening and disposed above the upper frame. A three-way frame fixing tool attached to the bracket, and a position adjusting tool for adjusting the position of the three-way frame in a horizontal direction between the three-way frame fixing tool and the gripping tool and a depth direction orthogonal to the horizontal horizontal direction; A three-sided frame centering device for an elevator, comprising at least   A horizontal position adjusting member having a long hole extending in the left-right horizontal direction from the three-way frame fixing tool toward the landing side wall of the landing opening and extending in the left-right horizontal direction, and the depth from the gripping tool. 2. A depth direction position adjusting member that extends in a direction and is attached to the horizontal position adjusting member at an arbitrary position in the depth direction and at an arbitrary position of the elongated hole. 3-way frame centering device for elevators.   The said three-way frame fixing tool is comprised from the screw member screwed together in the screw hole for connection of the said connection bracket, and the knob member for rotating this screw member, It is characterized by the above-mentioned. 3-way frame centering device for elevators.   The holding tool is provided with a fixing plate for fixing a first nut that is in contact with the back surface of the landing side wall of the landing opening at one end side and screwed into a thread formed on the outer periphery on the other end side at the other end side. The contact member includes a contact bolt and a contact bolt that is screwed to a second nut provided on the fixed plate, and the contact bolt is screwed toward the front side of the landing side wall of the landing opening. The centering device for a three-way frame for an elevator according to claim 1, 2, or 3, wherein the front end of the bolt is brought into contact with the front surface of the landing side wall of the landing opening.

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