JP2601921B2 - Method and apparatus for supporting a counterweight - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a method and an apparatus for supporting a counterweight, and more particularly to a method and an apparatus for supporting a counterweight suitable for use when replacing a main rope.

[Related Art] Generally, an elevator is constructed by winding a main rope, which is a wire rope, around a mesh wheel in a machine room, and connecting a car to one end of the main rope and a counterweight to the other end.

By the way, since the main rope is worn or broken due to aging, it is necessary to collect the old main rope and attach a new main rope for safety measures.

Conventionally, the work of recovering aged main ropes is carried out, as shown in Japanese Patent Application Laid-Open No. 63-282079, first of all, by supporting the counterweights with square bars installed in the pits of the hoistway, as well as the upper frame of the car. Was lifted by a chain block or the like to remove the tension acting on the aged main rope.

[Problems to be Solved by the Invention] As described above, the support of the conventional counterweight has been carried out by arranging the timber carried into the pit below the counterweight. ~ 6m
Therefore, it is difficult to carry such timber into a building or into a hoistway.

An object of the present invention is to provide a method and an apparatus for supporting a counterweight which are easy to carry in and have good workability.

Means for Solving the Problems To achieve the above object, a method for supporting a counterweight according to claim 1 of the present invention is a method for supporting a counterweight that is connected to one end of a main rope. In the above, the upper end of the first support member is connected to the lower part of the counterweight, and in that state, the counterweight is moved upward by a predetermined distance, and then both ends of the support means are connected to the counterweight guide rail for guiding the counterweight. And the support means is connected to the lower end of the first support member together with the upper end of the second support member, and then the counterweight is lowered to allow the two support members and the support member to be connected. The balance weight is supported by means.

According to another aspect of the present invention, there is provided a semiconductor device comprising:
The method of supporting a counterweight according to claim 1, wherein the counterweight is connected to one end of a main rope and has a buffer receiving adjustment table detachably screwed at a lower portion thereof, wherein the buffer receiving adjustment table of the counterweight is provided. Then, the upper end of the first support member is connected to the counterweight using a screw hole for attaching a buffer receiving adjustment base formed in the counterweight, and in this state, the counterweight is moved upward by a predetermined amount. Distance, then connecting the upper end of the second support member to the lower end of the first support member, and then lowering the counterweight to support the counterweight with at least these two support members. Features.

According to another aspect of the present invention, there is provided a method for manufacturing a semiconductor device comprising:
The balance weight support device is connected to one end of the main rope, and the support member is disposed below the balance weight configured to be guided by the balance weight guide rail. In the first, the upper end is connected to the lower part of the counterweight.
A supporting member, a second supporting member having an upper end connected to a lower end of the first supporting member, and supporting means for supporting at least the first and second supporting members on the counterweight guide rail. It is characterized by having provided.

[Operation] According to the method of supporting a counterweight according to claim 1 of the present invention, the axial lengths of the first and second support members can be appropriately determined, so that the carrying-in becomes easy, and The lower end of the counterweight is connected to the upper end of the first support member, and then both ends of the support means are engaged with the guide rail for the counterweight, and the support means is connected to the lower end of the first support member. And the second support member are connected together with the upper end thereof, so that any of these connection operations can be performed at a height position where the operation can be easily performed. Also,
The support means can keep the first support member and the second support member from bending.

Further, according to the supporting method of the counterweight according to the second aspect of the present invention, the support member of the base 1 is attached using the screw hole for attaching the buffer receiving adjustment base.
There is no need for special screw hole processing or the like for attaching the first support member to the counterweight.

Further, according to the support device of the counterweight according to the third aspect of the present invention, since the support member is divided into a plurality of members in the axial direction, the transportation of the support member is easier than in the conventional case, and the support member is provided with the support member. Thus, since the support member is supported by the counterweight guide rail, assembly with good workability can be performed using the existing configuration existing in the vicinity.

Embodiment An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 shows a state in which a supporting device is provided below the counterweight 2 to support the counterweight 2 in order to release the tension acting on the main rope 1 when the main rope 1 is replaced.

The counterweight 2 is configured to be guided along a pair of counterweight guide rails 4a, 4b, and is provided at a lower portion thereof in correspondence with a buffer (not shown), and adjusts the extension of the main rope 1. The buffer receiving adjustment base is removed, and the first support member 5 is used by using the screw holes.
Is screwed at the upper end. Also, the first support member 5
The upper end of the second support member 7 is connected to the lower end of the second support member 6 via support means 6. The support means 6 located between the support members 5 and 7 is a reinforcement for bending of a plurality of support members connected in series, the details of which are shown in FIG.

Seats 5a, 7a are integrally formed at the ends of the support members 5, 7, respectively, and screw holes for connection are formed in the seats 5a, 7a. A plate-like supporting means 6 is interposed between the seats 5a and 7a, and integrally fastened by bolts 8. Notch portions 6a are respectively formed at both ends of the support means 6, and the counterweight guide rails 4a, 4 are utilized by using the notch portions 6a.
b is engaged. Therefore, even if a plurality of support members are connected, they are not bent by being supported by the support means 6 of the connection portion. In addition, for this support, the supporting means 6 is provided by using the existing counterweight guide rails 4a and 4b.
Are engaged, so that the configuration is simple, and the workability is good as can be seen from the work procedure described later.

Next, a method of supporting the counterweight 2 together with the assembling of the above-described supporting device will be described with reference to FIGS.

First, as shown in FIG. 2, the lower part of the counterweight 2 is held at a height at which work can be easily performed. Balance weight 2
In the lower part, a buffer receiving adjustment table 9 that can collide with the buffer 9
Are connected to each other, so that the buffer receiving adjustment table 9 is removed, and the first buffer receiving adjusting table mounting screw hole provided at the lower portion of the counterweight 2 is used as shown in FIG. The upper end of the support member 5 is connected to the lower part of the counterweight 2. This connection operation and the ninth removal operation of the buffer receiving adjustment can be performed very easily because the counterweight 2 is held at an appropriate height, and can be performed without applying special processing to the counterweight 2.

Next, as shown in FIG. 4, the counterweight 2 is slightly moved upward so that the lower end of the first support member 5 has the predetermined height. In this state, as shown in FIG. 5, the upper end of the second support member 7 is connected to the lower end of the first support member 5 with the support means 6 interposed therebetween. At this time, the support means 6 is inclined and the notches 6a at both ends shown in FIG.
Is engaged with the counterweight guide rails 4a and 4b, and the above-described connection is performed.

Thereafter, the counterweight 2 is lowered, and the lower end of the second support member 7 is attached to the floor to support the counterweight 2.

As can be seen from the above description, all the operations can be performed at a height at which the operations can be easily performed, so that the operability is greatly improved. In addition, since the support member is divided into a plurality of members, it can be easily carried into a building or a pit. However, if the support member is divided into a plurality of members, the connection work becomes troublesome. However, as described above, the first support member 5 is first connected to the lower portion of the counterweight 2, so that the driving force of the elevator is used. As shown in FIG. 4,
The worker can perform the connection work at a substantially constant height, and does not need to perform work at a high place.

Thereafter, if the car 3 is suspended by a chain block or the like, the tension acting on the main rope 1 can be removed, and the main rope 1 can be replaced, and the hoist and the like can be repaired.

[Effect of the Invention] As described above, according to the method for supporting a counterweight according to claim 1 of the present invention, first, the upper end of the first support member is connected to the lower portion of the counterweight, and then the counterweight is moved upward. , Each support member can be divided into axial lengths that can be easily carried in, and the height of the connecting work can be made substantially constant, so that workability is very good. Further, the supporting means can keep the first supporting member and the second supporting member from bending, and can stably support the counterweight.

Further, according to the method for supporting the counterweight according to the second aspect of the present invention, since the support member of the base 1 is mounted using the screw hole for mounting the buffer receiving adjustment base, the first weight is mounted on the counterweight. The first support member can be attached without requiring any special screw processing or the like for attaching the first support member.

Further, according to the supporting device for the counterweight according to the third aspect of the present invention, since the supporting means connected to the support member is supported by the guide rail for the counterweight, the supporting means is supported as in the case of an elevator for a super high-rise building. Even if the axial length of the entire member increases, sufficient strength can be easily obtained.

[Brief description of the drawings]

FIG. 1 is a front view showing an embodiment of a counterweight supporting device according to the present invention, and FIGS. 2 to 5 are main parts of different working steps showing an embodiment of a counterweight supporting method according to the present invention. FIG. 6 is an enlarged perspective view showing a main part of FIG. 1 ... main rope, 2 ... counterweight, 4a, 4b ... guide rail for counterweight, 5 ... first support member,
6 ... support means, 6a ... notch, 7 ... second support member, 9 ... buffer receiving adjustment stand.

Claims (3)

(57) [Claims] In a method of supporting a counterweight connected to one end of a main rope, an upper end of a first support member is connected to a lower portion of the counterweight, and the counterweight is raised upward in that state. After moving both ends of the support means to the counterweight guide rail for guiding the counterweight, the support means is attached to the lower end of the first support member, and the second support member And supporting the counterweight by lowering the counterweight with the two supporting members and the support means. 2. A method of supporting a counterweight having a buffer receiving adjustment base connected to one end of a main rope and removably screwed to a lower portion, wherein the buffer receiving adjustment base of the counterweight is removed. The upper end of the first support member is connected to the counterweight using a screw hole for attaching a buffer receiving adjustment base formed on the counterweight, and in this state, the counterweight is moved upward by a predetermined distance, Next, the upper end of the second support member is connected to the lower end of the first support member, and then the counterweight is lowered, and the counterweight is supported by at least these two support members. Weight support method. 3. A supporting device for a counterweight which is connected to one end of a main rope and is arranged below a counterweight which is configured to be guided by a counterweight guide rail. A first support member having an upper end connected to a lower portion of the counterweight, a second support member having an upper end connected to a lower end of the first support member, and at least the first and second support members. And a supporting means for supporting the counterweight on the guide rail for the counterweight.