JPH06127865A - Bracket centering device for elevator - Google Patents

Abstract

PURPOSE:To provide a bracket centering device for elevator, which can perform the centering work of a bracket easily and efficiently without skillfulness. CONSTITUTION:A bracket centering device for elevator is provided with a first centering fixture 4, which consists of a fixed part 4A and a guide part 4B and which is made to abut on a bracket 3 and fixed thereto freely to be disconnected by a fitting 4D and which has a main body having a cross section as same as that of a guide rail, and a second centering fixture 5, which has a recessed part 5C to be engaged with the guide part 4A and a thumbscrew 5D for fixing the second centering fixture 5 to the guide part 4A freely to be disconnected and which is provided with marks 5E, 5E for positioning the bracket 3 at a pair of centering piano wires 1A, 1B. Centering of the bracket 3 on a fastener 2 is performed by this centering device.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bracket centering device used in an elevator when a guide rail of the elevator is installed in a hoistway of the elevator.

[0002]

2. Description of the Related Art When a guide rail of an elevator is installed in a hoistway of an elevator, a bracket is attached to a structure mounting portion provided in advance on the inner wall of the hoistway and the guide rail is mounted on the bracket. When mounting, it is necessary to center it and mount it on the structure mounting part. Therefore, as a tool for centering such a bracket, there has been heretofore been used as a tool for actualizing the bracket.
A centering device as described in Japanese Patent No. 8 has been proposed.

Therefore, the outline of this conventional centering device will be described. The conventional centering device is attached to a base body which is positioned and mounted on a vertical plane portion of a bracket consisting of a horizontal plane portion and a vertical plane portion. In this case, a mounting plate that is parallel to the vertical surface of the bracket is fixed, and a pair of upper and lower measuring pieces such as a ruler are provided at intervals so as to be parallel to the vertical direction from the surface of this mounting plate. is there. When performing the centering of the bracket using this centering device, first, in the hoistway of the elevator, a plurality of piano wires are stretched on a virtual vertical plane perpendicular to the inner wall surface of the hoistway. After that, mount the base on the vertical surface of the bracket with the base positioned, temporarily fix the horizontal surface of the bracket on the plane of the structure mounting part, and then adjust the fixing position of the bracket while adjusting the upper measurement piece. The side edge is in contact with each piano wire so as to coincide with the virtual vertical plane, thereby positioning the bracket in the direction along the inner wall surface of the hoistway. At the same time, adjust the position of the bracket so that the specified scale in the scale of the measurement piece above it matches the specified piano wire, and position it in the direction orthogonal to the inner wall surface of the hoistway. Adjust so that the protruding length of the bracket of is an appropriate value. In this state, if the side edge of the lower measurement piece is in contact with each piano wire in the same manner as the upper measurement piece, and the scale is in contact with the predetermined piano wire at the same scale as the upper measurement piece, the bracket Since the horizontal state is also properly maintained, it is fixed to the structure mounting portion by welding or the like. if,
If not, insert a liner between the bracket and the structure mount to correct this and adjust the tilt of the bracket to keep the bracket horizontal on the plane of the structure mount. To do so. As described above, in the conventional centering device, a pair of upper and lower measuring pieces are provided on the base body to be attached to the vertical surface of the bracket, and the side edges of the both measuring pieces are stretched on the virtual vertical surface. The bracket is centered by contacting with the wire and by matching the specified scale with a predetermined piano wire on both measurement pieces.

[0004]

However, this conventional centering device is for confirming the distance from the piano wire to the bracket by means of the scale of a measuring piece such as a ruler. Since the troublesome work of matching the specified scale of the measurement piece with the predetermined piano wire is required, there is a risk that the scale may be mistaken in the process of repeating such work for many brackets. Moreover, when setting the scale to match the piano wire,
There is a risk that mistakes may occur because it is necessary to consider the tooth height of the guide rails, and in any case, not only skill is required to perform the centering work of the bracket without error, but also the work is performed individually. Each bracket had to be done carefully and carefully, which was unexpectedly tedious.

The present invention solves the problems found in the prior art, and provides a bracket centering device for an elevator, which allows the bracket centering work to be carried out easily and efficiently without the need for an expert. The purpose is to provide.

[0006]

The above objects of the present invention are as follows:
It has a fixed part that abuts and is fixed to the bracket, a guide part provided with a portion having the same cross-sectional shape as the teeth of the guide rail, and a means for removably fixing the fixed part to the bracket. It can be attached and detached by attaching it to the first centering member whose distance from the contact surface to the end surface of the guide part is the same as the height of the guide rail, and to the part of the same cross-sectional shape as the teeth of the guide rail provided in the guide part. And a second centering member having a fixing means and a second centering member for aligning with a plurality of reference lines for centering.

[0007]

In the centering device for the bracket of the elevator according to the present invention, the fixing portion fixed to abut the bracket and the guide portion and the fixing portion provided with the portion having the same cross-sectional shape as the teeth of the guide rail are detachable from the bracket. A first centering member having a fixing means, the distance from the contact surface of the fixing portion to the bracket to the end surface of the guide portion being the same as the height of the guide rail; and the guide provided in the guide portion. Since a second centering member having means for mounting on a portion having the same sectional shape as the teeth of the rail and detachably fixing it and a mark for aligning with a plurality of reference lines for centering is provided. , Abut the fixed portion of the first centering member on the bracket,
In the second centering member for fixing the fixing portion to the bracket by means of detachably fixing, and also for fixing the fixing portion in a detachable manner by being attached to a portion of the guide rail provided in the guide portion having the same cross-sectional shape. The centering member is attached and fixed to the guide portion of the first centering member by means, and in such a state, the bracket of the second centering member is applied to the structure attachment portion while the respective marks of the second centering member are used as the reference points. If the bracket is moved so as to match the line, the bracket can be centered.

Further, the second centering member is mounted and fixed to the guide rail in the same manner as described above, and in such a state, the guide rail is attached to the bracket already centered and attached as described above. The guide rail can be centered by adjusting the position of the guide rail so that each mark of the second centering member matches each reference line while applying the mounting portion.

[0009]

Embodiments of the present invention will be described with reference to FIGS. FIG. 1 is a perspective view showing a state where a bracket centering operation is performed using a bracket centering device for an elevator according to an embodiment of the present invention, and FIG. 2 is a bracket centering process for an elevator according to an embodiment of the present invention. FIG. 3 is an exploded perspective view of the apparatus, and FIG. 3 is a side view showing a state where the first centering member of the bracket centering apparatus in the elevator according to the embodiment of the present invention is attached to the bracket.

In the figure, 1A and 1B are a pair of piano wires that serve as reference lines for centering the bracket, and in the elevator hoistway, a virtual vertical plane parallel to the inner wall surface of the hoistway where the bracket is installed. It is vertically suspended and stretched so that it is located above. Reference numeral 2 is a fastener that is fixed to the inner wall of the hoistway as a structure attachment portion, and 3 is a bracket that is fixed to the fastener 2 after centering. As a attachment portion of the horizontal surface portion 3A and the guide rail as an attachment portion to the fastener 2, Is a member having a substantially L-shaped cross section and having a vertical surface portion 3B of the vertical surface portion 3B.
Individual pin holes 3C, 3C are formed. Reference numeral 4 is a first centering member as a centering member fixed to the bracket 3 and fixed, and 5 is a second centering member attached to and fixed to the first centering member 4. In the employment, a bracket centering device is constituted by the first centering employment 4 and the second centering employment 5.

Therefore, the construction of the embodiment of the centering device for this bracket, which is an essential part of the present invention, will be described in detail. The first centering employment 4 is a guide part having a sectional shape corresponding to the teeth of the guide rail. 4A and a fixing portion 3B that is fixed to the bracket 3 by contacting them, and the guide portion 4A and the fixing portion 3B form a main body. The main body of the first centering employment 4 has exactly the same cross-sectional shape as the guide rail to be attached to the bracket 3 in this embodiment, but as will be described later, all of them have the same purpose. It does not have to have the same cross-sectional shape as the guide rail. Pins 4 inserted into the pin holes 3C, 3C formed in the bracket 3 symmetrically with respect to the guide portion 4A on both left and right edges of the fixed portion 4B.
C and 4C are fixed by welding. This pin 4C, 4C
Is means for positioning the fixing portion 4B to the bracket 3 at the same position as the position where the guide rail is attached to the bracket 3. First centering hire 4
On the upper part of the main body of the above, a fixing metal fitting 4D as a means for detachably fixing the fixing portion 4B to the bracket 3 is fixed by welding. The fixing metal fitting 4D is a member having an inverted L-shaped cross section having an upper horizontal piece and a hanging piece. The upper horizontal piece is welded to the main body, and the hanging piece is between the end surface of the fixing portion 4B. It is positioned so as to form a gap into which the vertical portion 3B of the bracket 3 is inserted. A butterfly bolt 4E is provided on the hanging piece, and by tightening the butterfly bolt 4E, the end surface of the fixing portion 4 can be fixed by abutting it on the vertical portion 3B of the bracket 3 inserted into the gap.

The second centering member 5 comprises a base portion 5A and plate-shaped blade portions 5B which are screwed onto the base portion 5A and extend on both sides thereof. At the base 5A, the first centering employment 4
5C is formed with a recess 5C that fits into the guide 4A, and a thumbscrew 5 that tightens the recess 5C when fitted into the guide 4A to fix the second centering employment 5 to the guide 4A.
D is provided, and the base portion 5A serves as a mounting and fixing means for the second centering member 5 which is mounted on the guide portion 4A of the first centering member 4 and is detachably fixed. Since the base portion 5A is mounted and fixed to the guide portion 4A having a sectional shape corresponding to the teeth of the guide rail as described above, it can be naturally mounted and fixed to the teeth of the guide rail. The plate-shaped wing portion 5B has a pair of marks 5 for aligning with the pair of piano wires 1A and 1B which are reference lines for centering.
E and 5E are formed by groove portions, and the groove portions forming these marks 5E and 5E can be engaged with the piano wires 1A and 1B at the time of alignment. Therefore, when the piano wires 1A and 1B are stretched in the hoistway, the pair of piano wires 1A and 1B are attached to the pair of marks 5E and 5B.
It is installed at equal intervals with E, and these are connected to the piano wires 1A, 1
The bracket 3 coupled with the fixed portion 4B is positioned so as to be positioned at a set position when aligned with B.

When the centering device of this embodiment is used, first, the vertical surface portion of the bracket 3 is placed in the gap between the end surface of the fixing portion 4B of the first centering member 4 and the hanging piece of the fixing metal fitting 4D. After inserting 3B and inserting the pins 4C and 4C of the fixing portion 4B into the pin holes 3C and 3C of the bracket 3, the thumbscrew 4E is tightened and the fixing portion 4 of the first centering employment 4 is fixed to the bracket 3.
B is abutted and fixed, and the concave portion 5C of the second centering member 5 is fitted into the guide portion 4A of the first centering member 4 and lightly pressed, and the thumbscrew 5D is tightened to attach the guide portion 4A to the guide portion 4A. Fix the second centering employee 5. In this case, after fixing the second centering work 5 to the guide portion 4A of the first centering work 4 in advance, the first centering work fixing part 4B may be fixed to the bracket 3. Then, in such a state, while the horizontal surface portion 3A of the bracket 3 is applied to the upper surface of the fastener 2, the marks 5E and 5E of the second centering employment 5 are the piano wire 1
The bracket 3 is moved so as to coincide with A and 1B, and the bracket 3 is fixed to the fastener 2 in a state where the pair of groove portions as the marks are engaged with the piano wires 1A and 1B. With the above, the unit work for centering the bracket is completed, so the centering device is detached from the bracket 3 by loosening and lifting the thumbscrew 4E, and thereafter, the above-mentioned work is repeated for each bracket.

After the brackets 3 are centered and attached to the fasteners 2 in this manner, the guide rails are centered and attached to the brackets 3. Has the same cross-sectional shape as the guide rail, the centering device can also be used for centering the guide rail. That is, the second centering work 5 is loosened from the guide portion 4A of the first centering work 4 by loosening the thumbscrew 5D, and the second centering work 5 will be used in the same manner as described above. To fit and fix
In such a state, while applying the bottom surface of the mounting portion of the guide rail to the vertical surface portion 3B of the bracket 3, the position of the guide rail is adjusted so that the marks 5E, 5E of the second centering employment 5 match the piano wires 1A, 1B. The guide rail can be centered by adjusting.

In the present embodiment, the main body of the first centering employment 4 has the same sectional shape as that of the guide rail to be attached to the bracket 3.
Even if it is possible to perform centering of the guide rail in addition to centering of the bracket, it is not necessary to make all the parts of the main body have the same sectional shape as the guide rail. In the portion of the guide portion 4A of No. 4, the cross-sectional shape of the portion for fitting the second centering member 5 is the same as the tooth of the guide rail, and the guide portion from the contact surface of the fixing portion 4B to the bracket 3 It is sufficient if the distance to the end face of 4 is the same as the height of the guide rail.

In the centering device for the bracket in the elevator according to the present embodiment, particularly, the bracket is moved so that the pair of marks 5E, 5E of the second centering member 5 are aligned with the respective piano wires 1A, 1B. Since the centering can be performed, not only is there no risk of an error in the centering work of the bracket, but also the work can be performed easily and efficiently even by a skilled person. Also,
Since the main body of the first centering employment 4 has the same cross-sectional shape as the guide rail, it can be used not only for the centering work of the bracket but also for the centering work of the guide rail after the completion of the work. Furthermore, if the main body of the first centering employment 4 is made to have the same cross-sectional shape as the guide rail in this way, it is possible to manufacture the guide rail centering device by using a short cut of the actual guide rail. Rather, the type of guide rail that can be centered by using the centering device can be visually determined, and an extremely convenient device can be obtained.

[0017]

As is apparent from the above description, according to the present invention, the structure described in the claims, particularly, the second centering member is aligned with a plurality of reference lines for centering. Since the bracket is provided, the centering can be performed only by moving the bracket so that the respective marks match the reference lines. Accordingly, it is possible to provide a centering device for a bracket in an elevator, which can solve all the problems of the prior art and can perform the work easily and efficiently without requiring an expert. In addition, in particular, the guide portion of the first centering member is provided with a portion having the same cross-sectional shape as the teeth of the guide rail, and the second centering member is related to this same cross-sectional shape portion. It has a means for mounting and detachably fixing it.In the first centering part, the distance from the contact surface of the fixing part to the bracket to the end surface of the guide part is made the same size as the height of the guide rail. Since the apparatus of the present invention is provided with each of the configurations described above, it can be used not only for the centering operation of the bracket but also for the centering operation of the guide rail after the completion of the operation.

[Brief description of drawings]

FIG. 1 is a perspective view showing a state where a bracket centering operation is performed using a bracket centering device in an elevator according to an embodiment of the present invention.

FIG. 2 is an exploded perspective view of a bracket centering device in an elevator according to an embodiment of the present invention.

FIG. 3 is a side view showing a state where the first centering member of the bracket centering device in the elevator according to the embodiment of the present invention is attached to the bracket.

[Explanation of symbols]

 1A, 1B Piano wire 2 Fastener 3 Bracket 4 First centering 4A Guide part 4B Fixed part 4D Fixing metal fitting 4E Thumbscrew 5 Second centering 5A Base 5C Recess 5D Thumbscrew 5E Mark

Claims (1)

[Claims] 1. A centering device for a guide rail mounting bracket, which is mounted on a structure mounting portion provided in advance on a hoistway wall of an elevator, wherein the fixing portion and the guide rail are in contact with and fixed to the bracket. It has a guide part provided with a part having the same cross-sectional shape as the tooth and a means for removably fixing the fixed part to the bracket. A first centering member having the same size as that of the guide rail, means for mounting the guide rail provided on the guide portion in a portion having the same cross-sectional shape as the teeth of the guide rail, and detachably fixing the centering member and a plurality of reference lines for centering. A centering device for a bracket in an elevator, comprising: