JP3225067U - Safety equipment for working at heights for containers - Google Patents

Abstract

A high place work safety device capable of safely performing work such as packing of large cargo of flat racks and containers, sheet covering, and the like. A safety device for work at height 1 for a container A is provided with a lock mechanism for engaging corner fittings on four pillars of a rectangular container and two opposite sides of the container. Two lateral members attached to both ends of the support and engaging the lock mechanism with corner fittings on the support and fixing the support to the support, and poles 3 standing at appropriate positions in the horizontal direction on each of the two lateral members 2 And a cable 5 extending between the tops of the two poles. [Selection diagram] Fig. 1

Description

  The present invention relates to the height of a container, particularly when a large cargo on a container such as a flat rack container or an open top container (hereinafter simply referred to as a container) is covered with a sheet and cured, or when the container is fixed to a large cargo. The present invention relates to a work safety device.

Large cargo may be transported in containers. In such a case, a container having pillars installed at four corners without at least a ceiling or further having no side wall material is used. Because large cargo is tall, the work of packing large cargo, covering large cargo with a curing sheet, and fixing the curing sheet is naturally a high-place operation.
Patent Document 1 has been proposed to solve the problem of working at a high place. The proposed technique is a safety post for working at heights for working on a so-called dry container having a wall plate and a ceiling plate on four side surfaces.

JP 2013-153955

  However, the above-mentioned proposed technology is a safety device when performing high-altitude work on the ceiling of a container having a ceiling plate, and is a fall prevention device during horizontal work. There is a problem that the method cannot be applied to a case where a large cargo is transported in a container having no ceiling and the work is performed while climbing the cargo in order to pack the cargo or to cure the cargo. The problem is that you cannot work while going up and down the cargo.

  Therefore, the present invention solves such a problem, and an object of the present invention is to provide a simple and inexpensive safety device utilizing the characteristics of a container, which can work while moving both horizontally and vertically.

  In order to achieve the above object, according to the first aspect of the present invention, in a safety device for high-altitude work for a container, a lock for engaging a corner fitting (C) on a support (B) at four corners of a rectangular container (A). A mechanism (21) and two of the lock mechanisms (21) are detachably attached to both ends thereof, are disposed on two opposite sides of the container, and are fixed to corner fittings C on the support (B). ) Are engaged with each other and fixed to the column (B), and the two horizontal members (2) and (2) are respectively set up on the upper surface of a proper position in the horizontal direction. The poles (3) and (4) to be provided and the ropes 5 spanning between the tops (31) and (41) of the two poles (3) and (4).

  According to the first invention, since the cable (5) is bridged between the two poles (3) and (4), the safety belt worn by the worker (E) on the cable (5). The worker can be supported through (F) and can work while moving both horizontally and vertically. Further, since the column (B) of the container (A) is used, a simple and inexpensive safety device having a simple structure can be provided.

  In the second invention, the rope (5) is fixed to the top (31) of the one pole (3) and via a pulley (51) provided on the top (41) of the other pole (4). The pole is fixed to a winding machine (6) at the lower end of (4).

  According to the second invention, since the other end of the cord (5) is fixed to the winder (6), a ground worker can adjust the winding length of the winder (6). At the same time, the length and tension of the rope (5) between the two poles (3) and (4) can be adjusted, so that the worker (E) can easily work.

According to the third invention, the winding machine (6) can adjust the tension of the cable (5) by remote control.

  According to the third invention, since the winder (6) of the cable (5) can be operated by remote control, the worker (E) operates the cable (5) by himself and herself, and the height and tension of the cable (5). Can be adjusted freely.

  The reference numerals in the parentheses indicate the correspondence with specific means described in the embodiment described later.

  As described above, according to the high-altitude operation safety device for a container of the present invention, the structure is simple, the free movement of the worker can be ensured, and the safe operation can be performed.

  1 is an overall side view of a safety device according to a first embodiment of the present invention.   (A) (b) It is the front view and side view which show the horizontal member of this invention.   FIG. 4 is a front sectional view showing the lock mechanism of the present invention.

  The embodiment described below is merely an example, and various design improvements made by those skilled in the art without departing from the gist of the present invention are also included in the scope of the present invention.

[Embodiment]
FIG. 1 shows a high-altitude work safety device 1 for a container according to the present invention, which is attached to corner fittings C on pillars B at four corners of a floor plate D of a container A. FIG. 2 is a detailed view of the lateral member 2 of the safety device for work at height 1 according to the present invention. FIG. 3 is a front sectional view of the lock mechanism of the present invention.

には隅金物Ｃが固着してある。隅金物Ｃは、元来コンテナＡを吊りあげるときにスプレッダーに取り付けたツイストロックを嵌合するものである。

Has a corner metal C fixed thereto. The corner fitting C originally fits a twist lock attached to a spreader when the container A is lifted.

  The safety device 1 for working at height is provided between the horizontal members 2 and 2 having the lock mechanisms 21 attached to both ends thereof and the poles 3 and 4 erected substantially at the center of the horizontal member 2 and the tops 31 and 41 of the poles 3 and 4. It consists of a cable 5 to be stretched. The connection between the horizontal members 2 and 2 and the poles 3 and 4 may be performed by inserting a hole formed in the horizontal member 2 or by welding.

  As shown in FIGS. 2 (a) and 2 (b), the horizontal member 2 is disposed over the upper ends of the pillars B on one side of the two opposing sides of the floorboard D. The cross section of the horizontal member 2 has a hollow rectangular cylindrical shape. A plate 22 having a hole at the position of the support B on the upper surface of both ends is fixed so as to avoid the hole. The lock portion 23 of the lock mechanism 21 is inserted through the hole.

  As shown in FIG. 3, a specific example of the lock mechanism 21 is a twist lock, which has a male screw on the upper outer periphery, and has a lower end having a width equal to the diameter of the shaft and a shorter side than the diameter of the lock shaft 24. A lock shaft 24 having a rectangular lock key portion 25 having a long longer side, and a male screw portion of the lock shaft 24 inserted therethrough, and a partially broken ring shape whose inner surface is inclined from the upper side to the lower side with a small diameter. A lower spacer 26, which is screwed with a male thread portion of the lock shaft, and a lower half of an outer surface of the ring-shaped upper spacer 27 having a small diameter inclined downwardly from above to below; And a bolt 29 that is screwed into the female thread portion from above the upper spacer 27 from the through hole 28 to the hole 29 having a female screw provided in the lower spacer.

The handle 30 is fitted on the lower spacer 26.
A handle fitted on the outer peripheral surface of the lower spacer 26, and by tightening the bolt 29, the inclined portion of the upper spacer is fitted on the inclined portion of the lower spacer 26 on the lower spacer. Is enlarged and fixed to the handle 31. The upper spacer 27 tightens the lock shaft 24. When the handle is operated in the horizontal direction (the direction of the arrow), the tip of the lock shaft 24 rotates, and the lock key 25 engages with a stopper having an elongated hole provided inside the corner fitting, and the horizontal member 2 is fixed to the column B.
Note that the lock mechanism may not be the twist lock described above.

  The poles 3 and 4 are fixedly installed upright at substantially the center of the upper surface of the opposing horizontal member 2, that is, the same surface as the surface on which the plate 22 is fixed. The fixing method may be welding or a method in which the tip is inserted into a hole formed in the horizontal member. The cable 5 is fixed to the tip 31 of one pole 3, and the cable is wound and fixed by a winch 6 provided at the lower end of the pole 4 via a pulley 51 provided at the tip 41 of the other pole 4. I have. The winch is remotely operated by the worker E to adjust the tension of the cable.

  The large cargo G loaded on the floor plate D is large enough to protrude from the floor plate D and has a height higher than that of the column B of the container A. In order to cover the large cargo with a packing or a sheet for fixing to the floor plate D and to cure the large cargo, the worker E needs to climb on the large cargo G and cover the sheet. At this time, the worker E fastens the safety belt F to the waist, hangs the hook at the end of the belt on the rope, operates the winch 6 by remote control, adjusts the tension of the rope, and adjusts the tension on the top 31 of the poles 3, 4. Tensioning the cord between 41 to support weight.

  Reference numeral 60 denotes a hole provided in the lateral member, into which the poles 3 and 4 are inserted to stand. Reference numeral 61 denotes a forklift support that transports the safety device for working at heights and sets the device on the support B. The lock mechanism 21 is provided with a detent between the handle 30 and the plate 22.

A: Container, B: Post 2A, 1 ... Safety device for working at height, 2 ... Horizontal member, 3, 4 ... Pole, 5 ... Cable, 6 ... Winch.

Claims (3)

In a safety device for working at height for a container, a lock mechanism to be coupled to corner fittings on pillars at four corners of a rectangular container,
Two lateral members arranged on two opposite sides of the container, two of the lock mechanisms being attached to both ends thereof, and the lock mechanism being coupled to a corner fitting on the column and being fixed to the column,
A pole erected in place in the horizontal direction on each of the two transverse members,
A safety device for high-altitude work for a container, comprising a rope laid between the tops of the two poles.   The container according to claim 1, wherein the cable is fixed to a top of the one pole and wound and fixed to a winding machine at a lower end of the pole via a pulley provided on the top of the other pole. Safety device for working at height.   The safety device for working at height of a container according to claim 2, wherein the winding machine is capable of adjusting the tension of the cable by remote control.

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