JPH0791010B2 - Elevator guide rail assembly method - Google Patents

Description

The present invention relates to a method for assembling an elevator guide rail in an installation process.

[Conventional technology]

Conventionally, when assembling the guide rails of the elevator in the installation process, the method disclosed in Japanese Utility Model Laid-Open No. 56-24785 is adopted. That is, first, by the electric chain block installed in the machine room, one steel material that is the uppermost end of the guide rail is hoisted, another steel material is connected and hoisted again on the lowest floor, and this work is repeated. Thus, a plurality of steel materials that are sequentially connected are integrated to form a guide rail at the entire height of the hoistway, and the guide rail is fixed to a predetermined position of the hoistway wall. Next, move the electric chain block to change the hoisting position, connect the steel material and fix it to the hoistway wall for the other guide rails in the same manner as above. Assemble the guide rails for the car and the guide rails for the counterweight, two guide rails each, for a total of four guide rails.

[Problems to be solved by the invention]

However, in the above-mentioned conventional guide rail assembly method, the work of connecting steel materials and fixing them to the hoistway wall is repeated for each guide rail, so that the guide rail to be fixed and the fixed guide rail are The work of deciding the relative positional relationship has to be repeated for each of the second and subsequent guide rails, and there has been a problem that this positioning work requires a great deal of time.

The present invention has been made in view of the above points, and an object thereof is to assemble an elevator guide rail in which the relative positional relationship between the guide rails can be easily determined and the working time can be significantly reduced. To provide.

[Means for solving problems]

In order to achieve the above-mentioned object, the present invention provides a guide for an elevator that fixes a guide rail for a car or a guide rail for a counterweight from above the hoistway and then fixes each guide rail to a predetermined position on the hoistway wall. In the rail assembling method, a support device is used that can hold the above-mentioned car and counterweight guide rails in substantially the same relative positional relationship as when fixed to a predetermined position on the hoistway wall. After mounting all the guide rails for the counterweight and the counterweight, respectively, simultaneously lift all the guide rails from above the hoistway via this support device, and then fix these guide rails to the hoistway wall. I am doing it.

[Action]

According to the above means, when a plurality of guide rails are attached to the support device, the relative positional relationship between the guide rails becomes substantially the same as the state of being fixed at a predetermined position on the hoistway wall. The respective guide rails can be fixed (temporarily fixed) to the hoistway wall as they are, and the positioning work becomes extremely easy.

〔Example〕

 Embodiments of the present invention will be described below with reference to the drawings.

1 and 2 are for explaining one embodiment of the present invention. FIG. 1 is a perspective view showing a guide rail suspended by a supporting device, and FIG. 2 is a book on a hoistway wall. It is a top view which shows the relative positional relationship of each fixed guide rail.

In these figures, the supporting device 1 having a substantially H-shaped appearance has a guide rail insertion recess 2a, 2b, 2c, 2d formed at each end 1a, 1b, 1c, 1d. Place 2a,
Fixing bolts 3a, 3b, 3c and 3d are attached to 2b, 2c and 2d, respectively. Further, the formation positions of the recesses 2a, 2b, 2c, 2d are such that, when the car guide rail 5 or the counterweight guide rail 6 is inserted into the recesses 2a, 2b, 2c, and 2d, the relative positional relationship between the guide rails 5 and 6 is the first. It is set to be almost the same as the main fixed state in FIG. In other words, when the guide rails 5 and 6 for the car or the counterweight are inserted into the recesses 2a, 2b, 2c and 2d of the supporting device 1, respectively,
The guide rails 5 and 6 are arranged so as to maintain a predetermined relative position set in advance, and this relative positional relationship is almost the same as the relative positional relationship after the main fixing, which is determined by performing the fine adjustment work. In FIG. 2, reference numeral 8 indicates a car, and 9 indicates a counter weight.

Next, the working process of this embodiment will be described.

First, in the recesses 2a, 2b, 2c, 2d of the supporting device 1, respectively,
Guide rails for car or counterweight 5,6
The steel material to be the uppermost end of the above is inserted, and these four steel materials are fixed to the supporting device 1 by the fixing bolts 3a, 3b, 3c, 3d. After that, the supporting device 1 is hoisted via the rope 7 by a chain block or the like installed in the machine room, and the following steel members are respectively connected to the four steel members held by the supporting device 1 and hoisted again. By repeating
A total of four guide rails (two for the car and two for the counterweight) are formed by connecting multiple steel materials until reaching the full height of the hoistway, and each guide rail 5, 6 is permanently fixed in Fig. 2. The relative positional relationship is almost the same as the state. Thus, if the four guide rails 5 and 6 are simultaneously lifted through the support device 1 in a state where the final relative positional relationship is substantially secured, the guide rails 5 and 6 are fixed to the fixing brackets 4a and 4 respectively.
It is temporarily fixed to the hoistway wall 10 by using b, 4c, and 4d, and thereafter, the positions of the guide rails 5 and 6 and the tension and the like are finely adjusted, and then the main fixing is performed.

In this way, by attaching the four guide rails 5 and 6 to the support device 1 and lifting them, the respective guide rails 5 and 6 can be held in advance in substantially the same relative positional relationship as the main fixed state. As it is, hoistway wall 10
The work time can be greatly shortened because the complicated work for determining the relative positional relationship is unnecessary. Also, since the four guide rails 5 and 6 are lifted at the same time, the work efficiency is better than that of the conventional method in which the lifting position of the chain block or the like is changed (setup change) for each guide rail. Can shorten the work time.

〔The invention's effect〕

As described above, according to the present invention, the relative positional relationship of all the guide rails for the car and the counterweight that are held and hoisted by the supporting device is determined by performing the fine adjustment work. Since the relative positional relationship afterward is almost the same, all the guide rails for the car and the counterweight can be temporarily fixed to the hoistway wall as it is. The relative positional relationship between the two can be determined at once at the same time, positioning work is almost unnecessary, and all the guide rails for the car and the counterweight are lifted at the same time, so it is necessary to change the lifting position of the chain block, etc. There is no need to increase the work time for assembling the guide rails for the car and the counterweight. It can be shortened to.

[Brief description of drawings]

The drawings are for explaining one embodiment of the present invention. FIG. 1 is a perspective view showing a guide rail suspended by a supporting device, and FIG. 2 is each guide rail permanently fixed to a hoistway wall. FIG. 6 is a plan view showing the relative positional relationship of FIG. 1 ... Supporting device, 5 ... Car guide rail, 6 ...
Counterweight guide rail, 10 …… Hoistway wall.

Claims (1)

[Claims] 1. A method of assembling a guide rail for an elevator, comprising: lifting a car guide rail or a counterweight guide rail from above the hoistway; and then fixing each guide rail to a predetermined position on the hoistway wall. Using a supporting device that can hold the car and counterweight guide rails in substantially the same relative positional relationship as when fixed to a predetermined position on the hoistway wall, all of the car and counterweights are supported by this supporting device. After installing each of the guide rails, all the guide rails are simultaneously lifted from above the hoistway via this support device, and then these guide rails are fixed to the hoistway wall. Rail mounting method.