JPH11335038A - Counterweight structural body for elevator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate work for putting an auxiliary weight to shorten installing work, by forming a counterweight frame of two folded moldings, and equalizing the frame width of the plate material of the folded moldings with the width of the auxiliary weight, to put the auxiliary weight laterally to fix it. SOLUTION: In a folded molding steel 21, guide shoes 26 are fitted to the upper and lower parts of the steel 21, and are inserted into both side guide rails 25 to guide the elevating of a counterweight frame 20. A folded molding steel 22 is fitted to the opposite surface side of the steel 21, and two steels 21 and 22 are fixed, thereby constituting one counterweight frame 20. An auxiliary weight 23 has a slightly smaller width than the groove portion of the steel 21, and is made into a flat shape having height same as that of the steel 21. At the time of installation, a worker puts the weight 23 of the number parts of the folded height part of the steel 21 into the groove portion of the steel 21 from the direct lateral, and then the steel 22 on the opposite surface side is matchedly fixed to the steel 21.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a counterweight structure used for a counterweight elevator.

[0002]

2. Description of the Related Art As shown in FIG. 7, a counterweight frame 10 of a conventional counterweight type elevator is constructed by connecting two C-shaped steel members 1 at both ends with a flat plate 2. For this reason, at the time of installation work, when an operator (not shown) inserts the auxiliary weight 3 from the side, the auxiliary weight 3 cannot be inserted as it is because the collar 1a of the C-shaped steel 1 exists, and the auxiliary weight 3 Was placed upright.

[0003]

SUMMARY OF THE INVENTION
At the time of the work for putting in the inside, the auxiliary weight 3 is inserted diagonally because the auxiliary weight 3 is larger than the frames 10 on both sides when it is inserted from the side as described above. For this reason, an extra space is required in the upper part of the frame 10 by the amount that the auxiliary weight 3 is inclined, and the structure of the counterweight frame 10 is increased.

Further, in order to eliminate the extra space at the upper part, it is necessary to temporarily remove the connecting part with the main rope at the upper part of the frame and insert the auxiliary weight 3 from the upper part, so that extra work occurs. was there.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned problems, and an object of the present invention is to provide a counterweight frame structure which has good workability, can reduce installation time, and can save space. Another object of the present invention is to propose a counterweight frame structure that does not require special processing of the auxiliary weight.

[0006]

In order to achieve the above object, the present invention provides a structure in which a counterweight frame is combined with two folded molded products or one folded molded product and one flat plate, After making the frame width of the sheet material of the one folded molded article the same width as the auxiliary weight, inserting the auxiliary weight from the side by the height of the folded molded article, and then leaving the remaining one folded molded article sheet material Alternatively, it can be achieved by fixing a flat plate to the above-mentioned bent product.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will now be described with reference to FIGS.
This will be described with reference to FIG.

FIG. 1 is a front view of the structure of a counterweight frame 20 according to an embodiment of the present invention. FIG. 2 is a side view of the counterweight frame 20. FIG. 3 is a plan view showing details of the counterweight frame 20 of the present invention viewed from a plane.

In these figures, the counterweight frame 2
The structure of 0 will be described. One piece of bent-formed steel 21 forms a hat-shaped box frame. Guide shoes 26 are attached to the upper and lower sides of the bent formed steel 21 so as to be inserted into the guide rails 25 on both sides, and the counterweight frame 2
Guides you up and down 0. The guide rail 25 guides and supports the center in the front-rear direction of the side surface of the box frame.

A hat-shaped bent-formed steel 22 is attached to the opposite side of the bent-formed steel 21, and the two bent-formed steels 21, 22 are fixed to form a front portion of the box frame. Are closed to form one counterweight frame 20. There are connecting plates 32 and 33 at the upper and lower portions of the bent formed steels 21 and 22, the upper connecting plate 32 also serves for fixing to a main rope, and the lower connecting plate 33 also serves as a shock absorber.

The auxiliary weight 23 has a width slightly smaller than the groove of the bent steel 21 and has a flat shape at the same height as the bent steel 21. At the time of the installation work, an operator (not shown) changes the bent-formed steel 22 on the opposite side to the bent-formed steel 21.
Before fixing, the flat-shaped auxiliary weight 2
3 is inserted into the groove of the bent-formed steel 21 from the side just by the number corresponding to the bending height of the bent-formed steel 21. Thereafter, the bent-formed steel 22 on the opposite side is fixed to the bent-formed steel 21 described above.

The auxiliary weight 23 is the same height as the bent steel 21 and has a width slightly smaller than the groove of the bent steel 21, so that the auxiliary weight 23 is slanted like the conventional counterweight frame structure 10. Since there is no need to insert an additional space in the upper part, there is no need to create an extra space in the upper part, so that there is an advantage that a space-saving counterweight frame 20 can be formed. Moreover, since a box-shaped frame can be formed by bending, a reduction in weight and cost can be achieved.

FIG. 4 is a plan view for explaining a second embodiment of the present invention. Flat plate 2 instead of bent-formed steel 22 on the opposite side
7 and is fixed to the bent-formed steel 21, other parts and configurations are the same as those of the first embodiment, and it goes without saying that the effects are the same.

FIG. 5 is a plan view for explaining a third embodiment of the present invention. Instead of the hat-shaped bent-formed steel 21, a flat steel 27 and a formed steel 28 whose bending method is changed are fixed.

Other components, configurations and effects are the same as in the first embodiment. FIG. 6 is a plan view illustrating a fourth embodiment of the present invention. The auxiliary weight 23 is changed from a flat shape to a conventional one having a block shape, and the block-shaped auxiliary weight 30 is inserted only by the height of the bent steel 21. Other parts, configurations and effects Is the same as in the other embodiments.

As described above, according to the present embodiment, 2
A counterweight frame is formed by combining one piece of bent-formed steel or one piece of bent-formed steel with one flat plate.
As a result, the work of inserting the auxiliary weight into the counterweight frame can be easily performed from the side without removing the parts above the counterweight frame, and the auxiliary weight can be inserted straight from the side without making the counterweight slant. There is no need for a space to insert the auxiliary weight at the top of the frame at an angle. As a result, installation work can be shortened,
Since the counterweight frame can be reduced, there is an effect that space can be saved.

Further, since the frame body has a box shape whose front part can be opened, it is only necessary to insert a plate-shaped or block-shaped weight, so that it is not necessary to provide a through-hole for passing a through bolt therethrough. Therefore, the structure of the weight is simple,
The work is also easy.

All the weights are inserted from the front,
Since the counterweight frame can be taken out, the weight can be adjusted even after the counterweight frame is installed in the elevator shaft.

[0019]

As described above, according to the present embodiment, the counterweight frame is constituted by combining two sheets of bent-formed steel or one sheet of bent-formed steel and one flat plate. The work of putting the auxiliary weight into the weight frame can be easily done from the side without removing the parts on the top of the counterweight frame, and the auxiliary weight can be put straight from the side without slanting. Space for inserting the weight obliquely becomes unnecessary. This has the effect that the installation work can be shortened and the counterweight frame can be made smaller, so that a smaller space can be realized.

Further, since the frame body has a box shape whose front part can be opened, it is only necessary to insert a plate-shaped or block-shaped weight, and there is no need to provide a through hole for passing through bolts therethrough. Therefore, the structure of the weight is simple,
The work is also easy.

All weights are inserted from the front,
Since the counterweight frame can be taken out, the weight can be adjusted even after the counterweight frame is installed in the elevator shaft.

Further, since the box frame can be manufactured by bending two steel plates, the manufacturing cost is reduced.

[Brief description of the drawings]

FIG. 1 is a front view of the structure of a counterweight frame for explaining an embodiment of the present invention.

FIG. 2 is a side view of a counterweight frame for explaining one embodiment of the present invention.

FIG. 3 is a plan view of a counterweight frame for explaining an embodiment of the present invention.

FIG. 4 is a plan view of a counterweight frame for explaining a second embodiment of the present invention.

FIG. 5 is a plan view of a counterweight frame for explaining a third embodiment of the present invention.

FIG. 6 is a plan view of a counterweight frame for explaining a fourth embodiment of the present invention.

FIG. 7 is a structural diagram of a counterweight frame for explaining a conventional technique.

[Explanation of symbols]

Reference Signs List 20: Counterweight frame, 21: Hat-shaped bent formed steel, 22: Hat-shaped bent formed steel, 23: Flat auxiliary weight, 25: Guide rail, 26: Guide shoe, 27 ...
Flat plate, 30 ... block type auxiliary weight.

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Mitsuya Toba 832 Horiguchi, Hitachinaka-shi, Ibaraki Pref. Inside the Hitachi System Plaza Katsuta Himec Services Co., Ltd. (72) Inventor Atsushi Takehara 1-6-6 Kandanishikicho, Chiyoda-ku, Tokyo Address Co., Ltd. In Hitachi Building System

Claims (6)

[Claims] 1. After inserting a necessary amount of weight from the front part into a box frame body having a back part closed and a front part openable, the front part is closed and the elevator shaft is inserted into the elevator shaft. A counterweight structure for an elevator that guides and supports the center of both sides of the box frame by guide rails that are provided vertically along the same, and that lifts and supports the center in the front-rear direction with a rope. 2. The first bent molded product according to claim 1, wherein both side surfaces and the back surface of the box frame are formed by first bent molded products which are inserted between guide rails and attached. A counterweight structure for an elevator, in which a second bent molded product having the same shape as the first bent molded product is fitted to and fixed to a front portion of the box frame located on the opposite side of the elevator. 3. The box-shaped body according to claim 1, wherein both side surfaces and a back surface of the box-shaped frame are formed by bending and molded to be inserted between the guide rails. An elevator counterweight structure that fixes and fixes two flat plates. 4. The method according to claim 1, wherein the width of the auxiliary weight is set to be slightly smaller than the frame width of one bent molded product in which the auxiliary weight is to be placed, so that the auxiliary weight can be inserted into the bent molded product. Elevator weight structure. 5. The method according to claim 2, wherein an auxiliary weight is inserted from the front portion with one bent molded product or one flat plate fixed to the front portion of the box frame removed.
An elevator counterweight structure for fixing the one bent product or one flat plate to a bent product forming a box frame. 6. The elevator counterweight structure according to claim 2, wherein the height of the auxiliary weight is a flat structure slightly lower than the height of the box frame.