JP2001153124A - Hook attaching device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To lock a hook suspending a gondola rope and the like to a fixture provided on a ceiling wall and the like, in installing work of an elevator and the like. SOLUTION: A hook holding member 71 stores and clips a hook 4 to hold, and the hook holding member 71 is provided with a bar-shaped gripping member 72 extending downward to a bottom part. The hook 4 is fitted in a fixture 5a by pressing-in, so that a worker can easily conduct locking by holding the gripping portion 72 from, for example, an elevator hall on the highest floor, which improves the efficiency of installing work of a gondola for working into an elevater shaft and the safety of the work.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hook mounting device suitable for use in an elevator installation work in a hoistway, for example, in an elevator installation work in a building.

[0002]

2. Description of the Related Art A main part of an elevator, such as a car and guide rails, is installed in a hoistway penetrating a plurality of floors in a building. Since the elevator installation work needs to be performed by moving up and down in a hoistway without a special scaffold, the worker must work on a gondola suspended from the ceiling in the hoistway.

In order for the gondola to move up and down in the hoistway, for example, a rope winder is mounted on the frame of the gondola,
Winding or rewinding of the rope for the gondola suspended from the ceiling wall by the winder is performed. Conventionally, as shown in FIG. 6, a gondola rope 2 and an auxiliary rope 3 are connected to a hook 4 in order to suspend the work auxiliary rope such as a gondola rope and a lifeline from the ceiling wall of the hoistway. 4 is locked to a U-shaped fixture 5a embedded in a substantially central portion of the ceiling wall 5 in advance.

Therefore, a hook 4 having a large weight in the hoistway is required.
In order to lock the anchor to the fixture 5a, the worker first had to assemble the scaffold 6 into the hoistway, and for that purpose, it was necessary to assemble the scaffold 6 into the hoistway.

As described above, conventionally, in the elevator installation work, prior to the actual assembling work, loading and assembling, dismantling, and unloading of the scaffold were performed for installation of a working gondola and the like.

[0006] When the elevator installation work is completed and the used gondola rope 2 and auxiliary rope 3 are to be collected, an operator rides on the car and does not remove the hook 4 from the fixing bracket 5a. And can be collected.

[0007]

As described above, when the elevator is installed, the hook connecting the gondola rope and the auxiliary rope is locked to the fixing fitting 5a.
Since it is necessary to assemble the scaffold in the hoistway and the worker's work is performed on the assembled scaffold, improvement is required in terms of ensuring work safety and improving the efficiency of elevator installation work It had been.

[0008]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems. According to the first aspect of the present invention, there is provided a hook mounting device in which an opening is provided at an upper portion and a rope or the like is provided. A hook holding member having a U-shaped cross section for holding and holding the hook connected thereto, and a bar-shaped gripping member having one end fixed to the hook holding member and extending downward from the bottom. It is characterized by.

As described above, the hook mounting device according to the first aspect has the hook holding member having the U-shaped cross section and the rod-shaped gripping member, so that the worker can use the scaffold in the special hoistway without using the scaffold. The hook held in the hook holding member can be locked to the fixing bracket provided on the ceiling wall by holding the lower portion of the gripping member and remotely controlling the elevator hall on the top floor.

According to a second aspect of the present invention, in the hook mounting device according to the first aspect, the hook holding member has a cross section U.
It is characterized by having a width adjusting mechanism configured to adjust the width of the character.

As described above, according to the second aspect of the present invention, since the hook holding member is provided with the width adjusting mechanism, it is possible to appropriately adjust the U-shaped width according to the variation in the width of the hook. It is possible to reduce a problem that the hook is shifted from the holding member during the mounting operation.

According to a third aspect of the present invention, in the hook mounting device according to the first or second aspect of the present invention, the hook holding member has a non-slip portion formed on an inner surface of a U-shaped cross section. And

As described above, according to the third aspect of the invention,
By forming the non-slip portion on the inner surface of the hook holding member, the holding force of the hook is increased, and the hook can be prevented from slipping down. In addition to the operation, the operator can more reliably attach the hook to the ceiling wall.

According to a fourth aspect of the present invention, in the hook mounting device according to any one of the first to third aspects of the present invention, the hook holding member has one end locked to the hook. It is characterized in that the locking string is inserted and crawled along the holding member.

As described above, since the locking string having one end connected to the hook is inserted into the gripping member, the worker secures the other end of the locking string, so that the hook is accidentally dropped into the hoistway. Can be avoided.

According to a fifth aspect of the present invention, in the hook attaching device according to any one of the first to fourth aspects of the present invention, the gripping member is configured to be extendable and contractible in the length direction. It is characterized by the following.

As described above, according to the fourth aspect of the present invention, since the gripping member is configured to be extendable and contractible in the longitudinal direction, the floor on the elevator hall side of the top floor where the worker works and the ceiling of the hoistway are provided. The length of the gripping member can be appropriately adjusted in accordance with the distance between the wall and the fixture, and the work can be performed with a length that is easy to work.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of a hook attaching device according to the present invention will be described below in detail with reference to FIGS. The same components as those of the conventional configuration shown in FIG. 6 are denoted by the same reference numerals, and detailed description is omitted.

FIG. 1 is a perspective view showing an embodiment of a hook mounting device according to the present invention, FIG. 2 is an enlarged plan view of FIG. 1, and FIG. 3 is a diagram showing the hook mounting device shown in FIG. It is the perspective view which showed the state which is going to hold.

That is, as shown in FIGS. 1 to 3, the hook attaching device 7 has a hook holding member having a U-shaped cross section and having an opening 711 formed to receive, hold and hold the hook 4. 71 and the hook holding member 7
1 has a rod-shaped gripping member 72 fixed at one end and extending downward from the bottom 712 thereof.

In order for the hook holding member 71 to hold and hold the hook 4, the U-shaped opening width d is formed slightly smaller than the outer width of the hook 4.
The opening width d is appropriately adjusted according to the variation in the shape and size of the U-shaped portion, and a width adjusting mechanism 713 including a combination of a screw rod 713a and a nut 713b is provided on the U-shaped portion so as to secure an appropriate holding force. Is provided.

A U-shaped hook holding member 71 is also provided.
A sheet-shaped non-slip member 714 such as, for example, a rubber member is attached to the inside of the side surfaces facing each other.
In order to lock the hook 4 housed by the worker to the fixing bracket 5 a attached to the hoistway ceiling wall 5, the hook 4 is configured not to slide down from the hook holding member 71 when lifted upward. . In this embodiment, a non-slip member 714 is provided on the opposite side of the hook holding member 71.
However, instead of the non-slip member 714, the inner surface of the hook holding member 71 may be made uneven so that a large frictional force is obtained and the holding force of the hook 4 is increased.

Further, the bottom 7 of the hook holding member 71
As shown in FIG. 2, a through-hole 715 is provided on the hook 12, and a locking string 41 having one end fixed to the hook 4 is passed through the through-hole 715 as shown in FIG. Is held by an operator, and even if the hook 4 slides down from the hook holding member 71, the gondola rope 2
The heavy object of the hook 4 can be prevented from falling off the hook holding member 71 and falling into the pit of the hoistway. However, the locking string 41 itself is for preventing the hook 4 from being dropped and held in the hook holding member 71 and preventing the hook 4 from falling into the hoistway even if the hook 4 is dropped. Instead, for example, a ring-shaped fitting may be fixed to the hook holding member 71 and passed therethrough.

Next, in this embodiment, as shown in FIG. 3, the rod-shaped gripping member 72 fixed to the bottom portion 712 of the holding member 71 is connected to the through-hole 715, and It is composed of a cylindrical body 721 passing through the inside, and a long gripping bar 723 fixed to the cylindrical body 721 via a connecting member 722.

The long gripping bar 723 is used by the worker to hold the hook 4.
Although not shown, for example, a length adjustment mechanism using a key joint using a key as seen in the handle of an umbrella or the like, or an extendable clothesline As can be seen, a mechanism that can adjust the length at any position can be adopted by rotating one rod composed of two rods.

A procedure in which the worker hooks the hook 4 on the fixing bracket 5a of the ceiling wall 5 using the hook mounting device having the above-described configuration will be described with reference to FIGS.

That is, as shown in FIG. 3, the worker pulls and secures the locking cord 41 through the through hole 715 of the hook holding member 71 and the cylinder 721 of the gripping member 72 to the worker's hand. 4 is pushed in the direction of arrow A, and latched on the hook holding member 71 as shown in FIG. At this time, the hook 4 is mounted on the hook holding member 71 such that the movable locking piece 42 faces the fixing bracket 5a.

Then, the worker raises the gripping member 72 while pushing the holding string 41 and pushes out the gripping member 72 as shown by the arrow B in FIG. 4 so that the hook 4 is fixed to the U-shaped fixing bracket 5a. It is fitted and locked.

After confirming that the hook 4 was fitted and locked in the U-shaped fixture 5a, the operator loosened the locking cord 41 and moved the gripping member 72 held by the hand as shown in FIG. ,
By being pulled in the direction of arrow C, the hook 4 separates from the hook holding member 71, and the U-shaped fixing bracket 5 of the hook 4
The work of attaching to a is completed. The locking string 41 remains as it is
It passes through the cylindrical body 721 and the through hole 715 and hangs down in the hoistway.

In the above embodiment, the gripping member 72 may be configured such that the gripping bar 723 is directly connected and fixed to the hook holding member 71, and the cylinder 721 and the connection 722 may be omitted.

As described above, according to the hook mounting apparatus of the present invention, the worker can easily attach the hook to the fixing bracket by remote control from the elevator hall on the top floor without assembling a special scaffold in the hoistway. Since it can be installed, the elevator installation work can be performed safely and efficiently.

[0032]

According to the hook mounting device of the present invention,
In elevator installation work and the like, the gondola hanging rope can be easily and safely attached to the hoistway ceiling wall, and the efficiency of the installation work is improved, and a remarkable effect can be obtained in practical use.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of a hook attachment device according to the present invention.

FIG. 2 is a plan view of the device shown in FIG.

FIG. 3 is a perspective view illustrating how the device shown in FIG. 1 holds a hook.

FIG. 4 is a perspective view illustrating how the device shown in FIG. 1 locks a hook to a fixing bracket.

FIG. 5 is a perspective view illustrating a state where the device shown in FIG. 1 is separated from a hook locked by a fixing bracket.

FIG. 6 is a cross-sectional view for explaining a situation inside a hoistway in which a hook is conventionally locked with a fixing bracket.

[Explanation of symbols]

 2 Gondola rope 3 Auxiliary rope 4 Hook 41 Locking string 42 Movable locking piece 5 (Hoistway) Ceiling wall 5a Fixing bracket 6 Scaffold 7 Hook mounting device 71 Hook holding member 714 Non-slip member (non-slip portion) 715 Through hole 72 Holding member 723 Holding rod

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Mitsuichi Hoshino 6-27 Kita Shinagawa, Shinagawa-ku, Tokyo Inside Toshiba Elevator Co., Ltd. (72) Yuichi Fujii 6-5 Kita Shinagawa, Shinagawa-ku, Tokyo No. 27 Inside Toshiba Elevator Co., Ltd. (72) Inventor Yukitada Kamihara 6-5-7 Kita Shinagawa, Shinagawa-ku, Tokyo Toshiba Elevator Co., Ltd. (72) Taketo Minakami 6-27 Kita Shinagawa, Shinagawa-ku, Tokyo No. Toshiba Elevator Co., Ltd. (72) Inventor Naohiko Ueda 6-5-27 Kita Shinagawa, Shinagawa-ku, Tokyo Toshiba Elevator Co., Ltd. (72) Takamura Takahiro 6-27 Kita-Shinagawa, Shinagawa-ku, Tokyo Toshiba F-term in Elevator Co., Ltd. (reference) 3F305 DA07 DA21 3J038 AA01 BA02 BA14 BA21 BB10 BC04

Claims (5)

[Claims] 1. A hook holding member having a U-shaped cross section for holding, holding and holding a hook to which a rope or the like is connected, and an end portion fixed to the hook holding member and extending downward from the bottom. And a bar-shaped gripping member provided as a hook. 2. The hook mounting apparatus according to claim 1, wherein the hook holding member includes a width adjusting mechanism configured to adjust the width of the U-shaped cross section. 3. The hook attachment device according to claim 1, wherein the hook holding member has a non-slip portion formed on the inner surface of the U-shaped cross section. 4. The hook holding member according to claim 1, wherein one end portion of the hook holding member is inserted through a locking cord locked to the hook and crawled along the gripping member. The hook attachment device according to any one of claims 1 to 7. 5. The hook attachment device according to claim 1, wherein the grip member is configured to be able to expand and contract in a length direction.