JPH0441693Y2 - - Google Patents

Description

[Detailed description of the invention] (Industrial application field) The present invention makes it easier to carry equipment through a shaft by covering the staples etc. that protrude from the inner wall of the shaft. The present invention relates to a guide device, and particularly relates to a guide for carrying equipment into and out of a manhole, in which the guide means is formed of a sheet-like material.

(Prior art) In deep tunnels for underground cables, when laying underground cables, the cables are brought in from above ground and the cables are connected. Then, it is necessary to bring in cable connection boxes, electric machines, and other construction aids for the construction work, and carry out construction work to connect the cables inside the underground tunnel.

When carrying out the above-mentioned construction work, all equipment and cables must be brought in from the ground, but it is necessary to use the vertical shaft provided for tunnel construction and maintenance inspections as the entrance. It is.

However, the above-mentioned shafts are not only equipped with steps, etc. for workers to enter and exit, but also have frames, etc., for reinforcing the shaft, protruding from the walls of the shaft. Therefore, when carrying in equipment, there is a problem in that the members protruding from the walls of the shaft get in the way, making it difficult to carry in the equipment smoothly.

Therefore, conventionally, for example, as shown in FIG. With the cable 39 guided inside the device,
In some cases, methods such as bringing cables into tunnels from above ground are used.

However, although the use of the guide device described above is sufficiently effective for things like cables, it is It is necessary to use winches 35 and 36 on the upper and lower sides, and by adjusting the tension of the wire with these winches, it is possible to prevent the guide device from hitting a wall or a protruding member in the shaft. Means is used to support it even when it is not.

By using the guide device described above, cables that require careful handling, such as OF cables, can be safely transported into the tunnel by being suspended by the winch 37. It will be possible to install it in

(Problem to be solved by the invention) However, using the above-mentioned guide device, etc., means that the wire used to support the guide device must hit other equipment inside the shaft using multiple winches. It is necessary to perform work such as positioning the guide wire so that it does not touch the guide wire, and fixing the guide wire at the upper and lower parts. Adjusting the tension of the wire and fixing the wire for this purpose is troublesome, etc. I have this problem.

In addition, when carrying general equipment into a tunnel through a shaft, the work is carried out by directly suspending it from the shaft using a work vehicle such as a crane. Since the size of the guide device is not constant, there is a problem that the guide device as described above cannot be used.

In other words, when carrying conventional equipment into a tunnel, the equipment must be suspended by a working vehicle so that it does not hit any protrusions around the shaft.
Frequently repeating up-and-down motions and paying careful attention to the work involved in hanging the equipment not only reduces work efficiency, but also damages expensive equipment and equipment if the equipment hits a protruding object inadvertently. There were problems such as damage to the

(Purpose of the invention) The present invention eliminates the drawbacks of the conventionally used devices as described above, and makes it possible to easily guide work equipment and equipment when transporting them. In addition, the present invention aims to provide a device that can safely guide equipment, etc.

(Means and effects for solving the problem) The guide for carrying equipment into and out of a manhole according to the present invention includes a relatively thick and flexible long sheet with a hook at the upper end, and a guide for carrying equipment into and out of a manhole. A fixing rope for tensioning the sheet in a predetermined position is formed in combination with a fixing rope for tensioning the sheet at a predetermined position, and engagement portions for tensioning the sheet via the rope are formed on both sides of the sheet in the longitudinal direction, and the sheet is stepped in a shaft. The sheet is arranged so as to cover the protruding members such as.

The guide for carrying equipment into and out of a manhole according to the present invention is configured as described above, so that it can guide the equipment when carrying it into a shaft, and can also prevent the laying of a guide sheet. It becomes something that can be done easily.

In addition, by using the guide sheet of the present invention, it is possible to prevent inconvenient situations such as equipment getting caught in staples, etc., and it is possible to prevent equipment from being carried into manholes or tunnels through shafts. It can be done easily.

(Example) The configuration of the guide for carrying equipment into and out of a manhole according to the present invention will be explained according to the illustrated example.

In the example shown in FIGS. 1 and 2, the guide sheet 10 is installed inside a shaft (also referred to as a manhole neck) 1 that connects the ground and a manhole (or deep cave) 5 on the wall 2 of the shaft 1. It is provided so as to cover the staple 4 etc. provided protruding from the main body.

The guide sheet 10 is provided with a hook 11 on its upper part, and the hook 11 is engaged with the handrail 3 of a manhole girth provided above the manhole 5 so as to protrude from the ground. The end of the tension rope 16 is locked to a member such as a support in the shaft 5, and a predetermined tension is applied when fixing the upper and lower parts to cover the protruding parts such as the staples 4 inside the shaft 1. I have to.

If there are staples 4, etc. on both sides of the shaft, guide sheets 10 are placed on both sides of the shaft so that these staples can be covered to assist in the loading and unloading of equipment 22. It is now possible to use it as a

In addition, when carrying in and out equipment 22 through the shaft 1, it can be carried out by suspending it by a wire 21 using a work vehicle 20 such as a crane, as shown in the figure. In addition, any other conveyance means can be used.

As the guide sheet 10 of the present invention, it is possible to use, for example, a sheet 13 having a configuration as shown in FIGS. 3 and 3a. In the case of this embodiment, FIG. 3 shows a state in which the guide sheet 10 is stretched, and FIG. 3A shows a state in which the sheet is rolled up.

The sheet 13 shown in FIG. 3 is, for example, a vinyl sheet having a predetermined thickness, formed to a width that can cover the staple, and a length that matches the depth of the shaft. and,
A seat fixing fitting 12 is attached to the upper part of the seat 13.
A hook 11 is provided through the manhole guide, and the hook 11 is configured in a shape that can be engaged with a handrail of a manhole guide or the like.

In addition, a large number of fixing rope holes 14 are provided at predetermined intervals on the side of the sheet 13, and when the guide sheet 10 is provided inside the shaft, the fixing rope holes 14 are provided in the side of the sheet 13. Then, attach the rope 16 to the vertical support 17 etc. installed inside the manhole 6.
The guide sheet is fixed using the pull-out portion 16a to prevent the guide sheet from shifting or sagging.

Therefore, the guide sheet 10 of the present invention has the following features:
The upper and lower parts are fixedly locked to the upper and lower parts of the shaft, and when moving equipment etc. up and down, the equipment is slid along the guide sheet 10. As a result, the carried items will not hit the staples or other protruding members, and the vertical movement can be performed safely.

In other words, when the guide sheet 10 of the present invention is used, the sheet acts as a guide surface having a predetermined slope with respect to protruding members such as staples, thereby preventing the corners of instruments from getting caught on the staples. This will help prevent problems from occurring.

In addition, in the guide for carrying equipment into and out of manholes of the present invention, in addition to the vinyl sheet described above, a sheet member such as canvas can be used as the sheet, and if it is not used, By winding up the sheet as shown in FIG. 3a, it is possible to easily store and transport the sheet.

In the apparatus of the present invention, the sheet 13 can be constructed not only as shown in FIG. 3 but also as shown in FIGS. 4 to 4b. In the embodiment shown in FIG. 4, folded portions 13a as shown in FIG. 4a are formed at both side ends of the sheet 13, and the folded portions 13
a to form a space inside which can accommodate the rope 16 through the adhesive part 13b, and by passing the rope 16 through the space, the sheet can be easily supported on both sides. There is.

Further, in this embodiment, a hook is provided at the upper part of the rope 16, the hook is locked to the neck of the manhole, and the lower part of the rope is fixed to the support member at the lower part of the manhole as described above. Therefore, the rope is stretched in the longitudinal direction so that the seat can be supported by the rope.

In order to fix the sheet 13 to the rope 16, a fixing part 13c is provided in the upper part of the sheet 13. As this fixed part 13c, for example, a member such as a rubber string that does not slip against the rope can be used,
It is possible to fix the rope 16 to the upper part of the sheet 13, or to fix it at appropriate intervals using holes 14 arranged at predetermined intervals in the sheet 13. .

In the embodiment shown in FIG. 4b, ropes 16 are sequentially passed from front to back through holes 14 provided at predetermined intervals on both sides of the sheet 13, and the ropes are used to sew both ends of the sheet. In this way, the rope 16 and the sheet 13 are integrally formed, and the sheet can be fixed by fixing the upper and lower parts of the rope.

When configuring the guide sheet of the present invention as described above, in addition to setting the length of the guide sheet according to the depth of the shaft, the length of the guide sheet is set so that it can be used at many construction sites. By configuring the guide sheet as long enough, and by forming the sheet based on the widest one of the staples installed in the shaft, it can be used not only at a specific construction site. , it can be configured as a member having versatility.

Even if the guide sheet is constructed in a slightly larger size so that it can be used at many sites, the sheet has flexibility, so the extra space can be used for equipment, etc. There is no obstacle to import.

(Effect of the invention) Since the guide for carrying in and out of equipment into and out of manholes of the present invention has the above-mentioned configuration, it can be used when carrying out equipment, etc. into and out of manholes, tunnels, etc. through vertical shafts. The equipment can be moved safely by preventing it from hitting a member such as a staple that protrudes into the shaft wall.

In addition, the guide sheet of the present invention is lightweight and easy to handle, and can be rolled up when not in use for easy movement and storage. The length of the guide sheet can be arbitrarily adjusted, and even when the guide sheet is installed in a shaft, the work can be carried out easily.

[Brief explanation of the drawing]

FIG. 1 is a cross-sectional view of a shaft provided with a guide for carrying equipment into and out of a manhole according to the present invention; FIG. 2 is a cross-sectional view taken along the line H-H in FIG. 1; FIG. 3 is an explanatory view of the guide sheet according to the present invention in an open state; and FIG. 3a is a perspective view of the guide sheet according to the present invention in a rolled-up state.
FIG. 4 is a front view of another embodiment of the combination of the sheet and the rope of the present invention, FIG. 4a is a cross-sectional view thereof, and FIG.
FIG. 5B is a front view of another embodiment of the present invention;
The figure is an explanatory diagram of a conventional cable guide. In the figure, the reference numerals 1 ... vertical shaft, 2 ... vertical shaft wall, 3 ...
...Manhole guard railing, 4...Step pull,
5: Manhole; 6: Support; 10: Guide sheet; 11: Hook; 12: Sheet fixing bracket; 13: Sheet; 14: Fixing rope hole; 15: Stop rope; 16: Tension rope;
20...work vehicle, 30...guide device.

Claims (1)

[Claims for Utility Model Registration] A combination of a relatively thick and flexible elongated sheet with a locking means at the upper end and a fixing rope for tensioning the sheet at a predetermined position in a shaft, Engagement portions for tensioning the sheet via the rope are formed on both sides of the sheet in the longitudinal direction, and the sheet is arranged so as to cover a protruding member such as a staple in the shaft. A guide for carrying equipment into and out of a manhole.