JP2012012190A - Fastening tool of guide rail clip for elevator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fastening tool of a guide rail clip for an elevator for easily performing fastening work of a bolt with one hand, even if a worker is one person, when fixing a guide rail to a mounting bracket by using a sliding clip.SOLUTION: The fastening tool includes a body part 7, a fixing part 8 detachably fixed to a mounting bracket 2 and a rotation regulating part 9 for regulating rotation of a bolt 5 with a hexagon hole. Specifically, the rotation regulating part 9 regulates the rotation of the bolt 5 with the hexagon hole by being arranged inside the hexagon hole of the bolt 5 with the hexagon hole in a state of fixing the fixing part 8 to the mounting bracket 2.

Description

  The present invention relates to a tightening jig used by an operator when installing an elevator guide rail.

  FIG. 1 is a front view showing a fixed portion of an elevator guide rail, and FIG. 2 is a plan view thereof. 1 and 2, reference numeral 1 denotes a guide rail installed upright in the elevator hoistway. The guide rail 1 is for guiding the traveling of an elevator car (not shown) by the guide portion 1a. The guide rail 1 is attached to a mounting bracket 2 fixed to a fixed body in the hoistway using a dedicated guide rail clip. In addition, 3 is an A-shaped sliding clip which is a kind of guide rail clip, 4 is a sliding plate, 5 is a hexagon socket head cap screw, and 6 is a nut.

  The sliding clip 3 has a predetermined configuration for preventing the guide rail 1 and the mounting bracket 2 from being deformed when the building is deformed by an earthquake or the like. That is, when an excessive vertical force acts on the guide rail 1 due to the deformation of the building, a slip occurs between the guide rail 1 and the sliding plate 4 (that is, the mounting bracket 2 and the sliding clip 3). To prevent deformation. For this reason, the influence of an earthquake etc. with respect to the installation accuracy of the guide rail 1 can be suppressed to the minimum.

  Specifically, the sliding clip 3 is formed by bending a steel plate-like member into a “tsu” (or “shi”) shape of hiragana. The sliding clip 3 is attached via the sliding plate 4 so that the inner surface on one end side faces the side surface of the flange portion 1b of the guide rail 1 and the other end faces the end surface of the flange portion 1b. That is, the sliding clip 3 uses the force of the spring to press the flange portion 1b against the mounting bracket 2 and supports the guide rail 1 with a constant holding force. The sliding clip 3 prevents the guide rail 1 from moving in the left-right direction (A direction in the figure) by the other end abutted against the sliding plate 4.

  When the guide rail 1 is fixed using the sliding clip 3 having the above-described configuration, for example, the operator passes the hexagon socket head bolt 5 through the through hole 3a formed on the long side of the sliding clip 3, and then the hexagon socket hole. The threaded portion of the attached bolt 5 is inserted into the through hole 3b formed on the short side of the sliding clip 3 and the through hole 2a formed on the mounting bracket 2, and the hexagon socket head cap screw from the back surface 2b side of the mounting bracket 2 Turn the nut 6 into the 5 threaded portion. Then, while holding the nut 6 with one hand (such as a spanner held by the hand), the operator tightens the hexagon socket head bolt 5 with a hexagon wrench (not shown) with the other hand, Act on 1.

  The guide rail 1 is fixed when the elevator is installed or refurbished. The worker can, for example, fix the guide rail 1 from the work floor installed in the elevator car frame (not shown). Perform necessary work for

  Further, as a conventional technique related to the attachment of an elevator guide rail, for example, a technique for preventing a guide rail clip from rotating together when a bolt is tightened has been proposed (see Patent Document 1).

JP 2010-64803 A

  When the guide rail 1 is fixed using the sliding clip 3 having the above configuration, the operator cannot tighten the hexagon socket head cap bolt 5 with one hand. For this reason, in order to tighten the hexagon socket head cap bolt 5, both hands are required if one worker is used, and if one hand is used to hold the safety fence around the work floor, a plurality of workers are required. It becomes necessary. In particular, the operator has to perform the tightening work on a work floor where the scaffold is unstable, and the work requires a lot of time and labor.

  Patent Document 1 discloses a technique for preventing a guide rail clip from rotating together when a bolt is tightened, and the above problem cannot be solved from the contents. It was.

  The present invention has been made to solve the above-described problems. The purpose of the present invention is to fix the bolt even when only one operator is used to fix the guide rail to the mounting bracket using the sliding clip. An object of the present invention is to provide an elevator guide rail clip tightening jig for enabling a tightening operation to be easily performed with one hand.

  The tightening jig for an elevator guide rail clip according to the present invention tightens an elevator guide rail clip used when a predetermined sliding clip is attached to a mounting bracket in an elevator hoistway using a hexagon socket bolt. An attachment jig, which is provided on the main body, a fixed portion that is detachably fixed to the mounting bracket, and a hexagonal hole that is provided on the main body and is fixed to the mounting bracket. And a rotation restricting portion that is disposed inside the hexagon socket of the attached bolt and restricts the rotation of the hexagon socket bolt.

  The elevator guide rail clip tightening jig according to the present invention is an elevator guide rail clip that is used when a predetermined sliding clip is attached to a mounting bracket in an elevator hoistway using a hexagon socket bolt. The tightening jig is arranged in the hexagonal hole of the hexagon socket head cap screw with the main body part being provided on the main body part and being arranged so that a part of the main body part faces the mounting bracket. And a rotation restricting portion for restricting the rotation of the hexagon socket head cap screw.

  Even if there is only one operator when using a sliding clip to fix the guide rail to the mounting bracket by using the elevator guide rail clip tightening jig according to the present invention, Can be performed easily with one hand.

It is a front view which shows the fixing | fixed part of the guide rail for elevators. It is a top view which shows the fixed part of the guide rail for elevators. It is a perspective view which shows the clamping jig | tool of the guide rail clip for elevators in Embodiment 1 of this invention. It is a front view which shows the clamping jig | tool of the guide rail clip for elevators in Embodiment 1 of this invention. It is a side view which shows the clamping jig | tool of the guide rail clip for elevators in Embodiment 1 of this invention. It is a figure for demonstrating the usage method of the clamping jig | tool shown in FIG. It is a BB arrow line view of FIG. It is a figure for demonstrating the other function of the clamping jig | tool shown in FIG. It is a perspective view which shows the clamping jig | tool of the guide rail clip for elevators in Embodiment 2 of this invention.

  In order to explain the present invention in more detail, it will be described with reference to the accompanying drawings. In addition, in each figure, the same code | symbol is attached | subjected to the part which is the same or it corresponds, The duplication description is simplified or abbreviate | omitted suitably.

Embodiment 1 FIG.
3 is a perspective view showing a fastening jig for an elevator guide rail clip according to Embodiment 1 of the present invention, FIG. 4 is a front view thereof, and FIG. 5 is a side view thereof. This tightening jig is for use by an operator when the sliding clip 3 is attached to the mounting bracket 2 in the hoistway using the hexagon socket head bolt 5 during installation or repair of the elevator. . Since the state when the fixing of the guide rail 1 is completed is the same as that in FIGS. 1 and 2, the detailed description thereof is omitted.

As shown in FIGS. 3 to 5, the main part of the fastening jig is composed of a main body portion 7, a fixing portion 8, and a rotation restricting portion 9.
The main body portion 7 is made of, for example, a member having a box shape in which central portions of two adjacent surfaces are opened. The widths W1 and W2 of the opening formed in the front surface 7a of the main body 7 are formed in accordance with the fixed portion of the sliding clip 3 to the mounting bracket 2. That is, the widths W1 and W2 of the opening of the front surface 7a are set so that the fixed portion of the sliding clip 3 can be stored inside the main body 7.

  The fixing portion 8 has a function of detachably fixing the main body portion 7 (main fastening jig) to the mounting bracket 2. For example, the fixing portion 8 is made of a magnet provided in the main body portion 7 and is disposed so that the surface thereof is flush with the front surface 7 a of the main body portion 7.

  The rotation restricting portion 9 has a function of restricting the rotation of the hexagon socket head cap bolt 5 when the sliding clip 3 is fixed. Specifically, the rotation restricting portion 9 is composed of a rod-like member having a hexagonal column shape provided in the main body portion 7 and is disposed so as to protrude vertically from the inner side surface 7b of the main body portion 7 parallel to the front surface 7a. . Note that the rotation restricting portion 9 has a predetermined shape in which the tip end portion is fitted into a hexagonal hole formed in the head of the hexagonal socket head bolt 5.

  Next, a method for using the tightening jig having the above-described configuration will be described with reference to FIGS. 6 is a view for explaining a method of using the fastening jig shown in FIG. 3, and FIG. 7 is a view taken along the line BB in FIG.

  When the operator uses the sliding clip 3 to fix the guide rail 1, the final tightening of the hexagon socket head bolt 5 (nut 6) is performed as shown in FIGS. Install the jig. Specifically, the operator passes the hexagon socket head cap bolt 5 from the long side of the sliding clip 3 to the through holes 3b and 2a, and then attaches the magnet composed of the fixing portion 8 to the surface 2c of the mounting bracket 2 (of the mounting bracket 2). The surface of the sliding clip 3 is attached to the mounting bracket 2 and fixed to the mounting bracket 2.

  At this time, the operator fits the rotation restricting portion 9 into the hexagonal hole so that the tip of the rotation restricting portion 9 is disposed inside the hexagonal hole of the hexagon socket head cap bolt 5. In addition, the tightening jig is disposed so that the portion forming the front surface 7 a of the main body portion 7 is disposed on three sides of the fixed portion of the sliding clip 3 and the fixed portion is accommodated inside the main body portion 7.

  When the tightening jig is mounted in the state shown in FIGS. 6 and 8, the operator turns the nut 6 into the threaded portion of the hexagon socket head bolt 5 from the back surface 2b side of the mounting bracket 2, and wrench, ratchet wrench, etc. Tighten the nut 6 using In addition, since the tip of the rotation restricting portion 9 is arranged so as to fit into the hexagon socket of the hexagon socket head bolt 5, the hexagon socket head bolt 5 is tightened even if a rotational force acts on the hexagon socket head bolt 5. The rotation of the bolt 5 with a hole is obstructed by the rotation restricting portion 9, and the hexagon socket bolt 5 does not rotate with the nut 6.

  Further, the guide rail 1 of the elevator has a T-shaped cross section, and flange portions 1b are provided on both sides of the guide portion 1a. For this reason, when the guide rail 1 is attached to the mounting bracket 2, two sliding clips 3 are generally used for one mounting bracket 2, and the sliding clips 3 are attached to both sides of the guide rail 1.

  For this reason, when the installation of the sliding clip 3 on one side is completed, the operator then attaches the sliding clip 3 on the opposite side. The same sliding clip 3 is used on both sides of the guide rail 1, but the mounting direction is opposite according to the fixing position of the flange portion 1 b and the hexagon socket head cap bolt 5. For this reason, when the sliding clip 3 on one side is attached by the above procedure, the direction of the tightening jig is reversed left and right, and the sliding clip 3 on the other side is attached.

  When the guide rail 1 is fixed to the mounting bracket 2 using the sliding clip 3 by using the tightening jig having the above configuration, the hexagon socket head bolt 5 can be tightened even if there is only one operator. Work can be performed easily with one hand. In particular, when installing an elevator having a long up / down stroke, the number of sliding clips 3 also increases (for example, when the mounting bracket 2 requires 75 steps in the hoistway, including the elevator car side and the counterweight side, 75 × 8 = 600 tightening operations are required), which can be an effective means.

  FIG. 8 is a view for explaining another function of the fastening jig shown in FIG. 3, and shows a configuration for making the fastening jig correspond to a plurality of types of hexagon socket head bolts 5. . In order to realize the above function, in the structure shown in FIG. 8, the rotation restricting portion 9 is configured to be detachable from the main body portion 7 so that the rotation restricting portions 9 having different sizes can be attached to the main body portion 7. ing. Specifically, FIG. 8 (a) is a front view when the rotation restricting portion 9 is removed from the main body portion 7, and FIGS. 8 (b) and 8 (c) show the rotation restricting portions 9 of different sizes. The principal part side view when attaching to is shown. That is, when the rotation restricting portion attached to the main body portion 7 does not fit into the hexagon socket of the hexagon socket head bolt 5, the operator replaces the rotation restricting portion with an appropriate size before the sliding clip 3. Start fixing work.

Embodiment 2. FIG.
FIG. 9 is a perspective view showing a fastening jig for an elevator guide rail clip according to Embodiment 2 of the present invention.
The fastening jig in the present embodiment is not provided with the fixing portion 8. Moreover, the magnet 10 is provided in the front-end | tip part (part arrange | positioned inside the hexagon socket of the hexagon socket head bolt 5) of the rotation control part 9 which exhibits a hexagonal column shape. Other configurations are the same as those in the first embodiment.

  The state when the tightening jig having the above-described configuration is used is basically the same as that shown in FIGS. That is, the operator fits the rotation restricting portion 9 into the hexagonal hole so that the tip end portion of the rotation restricting portion 9 is disposed inside the hexagonal hole of the hexagon socket head cap bolt 5, and further the front surface of the main body portion 7. The fastening jig is arranged so that the fixed portion of the sliding clip 3 is accommodated inside the main body 7 with the surface 7c facing the surface 2c of the mounting bracket 2. The fixing jig 8 is not provided with the fixing part 8, but the magnet 10 provided at the tip of the rotation restricting part 9 is attracted to the hexagon socket head bolt 5. It does not come off from the hexagonal hole of the bolt 5 with a hole.

  When the tightening jig is attached in the above state, the operator turns the nut 6 into the threaded portion of the hexagon socket head bolt 5 from the rear surface 2b side of the mounting bracket 2, and uses a wrench, ratchet wrench, etc. Tighten 6. In addition, since the front-end | tip part of the rotation control part 9 is fitted in the hexagon socket of the hexagon socket head bolt 5, the rotational force which acted on the hexagon socket head bolt 5 by tightening of the nut 6 is applied also to this fastening jig | tool. Communicated. When the rotational force is small, the rotation of the hexagon socket head bolt 5 is hindered by the self-weight of the fastening jig, and the hexagon socket head bolt 5 does not rotate together with the nut 6. On the other hand, when the rotational force is large, such as when the nut 6 is tightened, the hexagon socket head bolt 5 rotates against the dead weight of the final fastening jig. However, even in such a case, the main body portion 7 rotates in conjunction with the rotation of the hexagon socket head bolt 5, and the main body portion 7 immediately contacts the fixed portion of the sliding clip 3. For this reason, the rotation of the hexagon socket head bolt 5 is inhibited by this contact of the main body 7, and the hexagon socket head bolt 5 does not rotate any more.

  Even if the tightening jig having the above configuration is used, the operator can easily perform the tightening operation of the hexagon socket head cap bolt 5 with one hand.

DESCRIPTION OF SYMBOLS 1 Guide rail 1a Guide part 1b Flange part 2 Mounting bracket 2a, 3a, 3b Through-hole 2b Back surface 2c Surface 3 Sliding clip 4 Sliding plate 5 Hexagon socket head bolt 6 Nut 7 Body part 7a Front surface 7b Inner side surface 8 Fixed part 9 Rotation restriction Part 10 Magnet

Claims (6)

A tightening jig for an elevator guide rail clip used to attach a predetermined sliding clip to a mounting bracket in an elevator hoistway using a hexagon socket bolt,
The main body,
A fixing portion provided on the main body portion and detachably fixed to the mounting bracket;
A rotation restricting portion that is provided in the main body portion and is disposed inside the hexagon socket of the hexagon socket head bolt with the fixing portion fixed to the mounting bracket, and restricts the rotation of the hexagon socket bolt.
An elevator guide rail clip fastening jig characterized by comprising:   The fixing portion is composed of a magnet provided in the main body portion, and is fixed to the sliding clip mounting surface of the mounting bracket by suction while the rotation restricting portion is disposed inside the hexagonal hole of the hexagon socket head cap bolt. The tightening jig for an elevator guide rail clip according to claim 1. A tightening jig for an elevator guide rail clip used to attach a predetermined sliding clip to a mounting bracket in an elevator hoistway using a hexagon socket bolt,
The main body,
The hexagon socket head cap screw is disposed in the hexagon socket head of the hexagon socket head bolt in a state where the main body portion is disposed so that a part of the main body portion faces the mounting bracket. A rotation restricting part to regulate,
An elevator guide rail clip fastening jig characterized by comprising:   The rotation restricting portion displaces the main body portion in conjunction with the rotation of the hexagon socket head bolt, thereby bringing the main body portion into contact with the sliding clip and preventing the hexagon socket head bolt from further rotating. An elevator guide rail clip tightening jig characterized by:   5. The tightening of the guide rail clip for an elevator according to claim 3, wherein the rotation restricting portion is provided with a magnet in a portion arranged inside the hexagonal hole of the hexagonal socket head bolt. jig.   The elevator guide rail clip according to any one of claims 1 to 5, wherein the rotation restricting portion is formed of a bar-like member having a hexagonal column shape and is detachably attached to the main body portion. Tightening jig.

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