JPH0747458Y2 - Worker rescue capsule for pneumatic caisson - Google Patents

Description

[Detailed description of the device]

[0001]

[Industrial application] This invention is a pneumatic caisson worker who escapes a worker in the work room to the ground side in an emergency in the construction of a pneumatic caisson that is submerged in the ground and used as an underground structure. Regarding the rescue bucket.

[0002]

2. Description of the Related Art A pneumatic caisson is usually made of reinforced concrete on the ground, installed at a predetermined location to excavate the earth and sand of the natural ground, and to discharge the earth and sand in the pneumatic caisson with an earth and sand bucket for earth discharge. Due to the weight of the pneumatic caisson itself, it is sunk to a predetermined supporting ground.

That is, a work chamber is formed underneath the pneumatic caisson as is well known, and normally, a earth and sand excavator is used in the work chamber under pressure, and recently, there is a tendency to excavate the natural ground by unmanned operation. However, for example, when the earth and sand excavator breaks down, an operator may have to enter the work room in order to repair or inspect it. In this case, a worker in the work room may be injured due to an acute illness, an injury or the like and may have difficulty walking.

[0004]

[Problems to be Solved by the Invention] When such a situation occurs, it is necessary to promptly rescue the worker. However, since the conventional pneumatic caisson does not have a rescue device in particular, the excavated soil I had to put a worker in the earth and sand bucket for soil removal and rescue. In that case, the earth and sand buckets are dirty, the earth and sand are attached, there is no space for humans to relax, it is not a place for people who are very sick or injured, and it causes mental distress. There was a problem. In addition, since the decompression time is long before being rescued to the ground, it is necessary to stay in an awkward space for a long time, which causes physical pain in addition to mental pain. In addition, the earth and sand bucket does not have a lid on the top, and a joint of a cylindrical shaft that has an earth and sand bucket that can be raised and lowered when pulling it up and the opening and closing of a lock for decompression and entrance and exit of workers connected to the shaft There was a problem that it could be caught in a door and it would be extremely dangerous if a person is inside.

The present invention has been proposed in view of the above, and its purpose is to rescue workers.
An object of the present invention is to provide a worker rescue bucket for pneumatic caisson that improves habitability, reduces mental and physical distress, and can safely and quickly rescue workers compared with a sand bucket.

[0006]

DISCLOSURE OF THE INVENTION The present invention has a capsule outer cylinder 1 having a substantially cylindrical shape and provided with a door 4 which can be opened and closed.
A lid 2 provided on an upper portion of the outer cylinder 1, an expand metal 3 provided on a lower portion of the capsule outer cylinder 1, and a chair 8 on which an operator a is seated are provided on the upper portion, and is suspended. The above object is achieved by a structure which is connected to a hoisting device and is capable of accommodating the worker a in the working chamber 12 of the pneumatic caisson 10 through the shaft 14 therein.

[0007]

In the present invention, the worker a is housed inside. In other words, around the worker a, there is the capsule outer cylinder 1, the lid 2, the expanded metal 3, etc.
Are protected by these. For this reason, it is much safer than the conventional earth and sand bucket used for rescue. Further, it is possible to sit on the chair 8 and has good so-called habitability, and dirt such as earth and sand adhering to the shoes of the worker a can be dropped to the outside through the mesh-shaped expanded metal 3. There is air circulation from this part, and it is considered that oxygen deficiency does not occur even if it takes time to rescue it to the ground.

[0008]

FIG. 1 is a front view of an embodiment of the present invention, FIG. 2 is a bottom view taken along the line AA in FIG. 1, and FIG. 3 is an explanatory view showing the internal structure when viewed from the front. 4 is an explanatory view showing an internal structure when viewed from a plane.

In FIG. 1, reference numeral 1 denotes a capsule outer cylinder having a substantially cylindrical shape, which constitutes a rescue capsule 1A, and is made of, for example, steel. The lid 2 is provided. Also,
Expanded metal 3 is provided in the lower part. The expanded metal 3 has a mesh shape and is configured so that air can freely flow in and out of the capsule outer cylinder 1.

Reference numeral 4 denotes a cantilevered support door provided on the capsule outer cylinder 1, which is openable / closable, and 5 denotes a handle for opening / closing the door 4. 6 is a peep window. Also, the capsule outer cylinder 1
A lock 7 for locking the door 4 from the inside is provided inside. The lock 7 may be of any type as long as it can easily lock the door 4.

Reference numeral 8 denotes a chair provided inside the capsule outer cylinder 1 and above the expanded metal 3 functioning as a floor plate, and handrails 9 are provided on both sides of the chair 8. The handrail 9 is, for example, in the shape of a pipe, and its base is fixed to the inner wall of the capsule outer cylinder 1 by a fixing tool, welding, or the like, thus constructing the rescue capsule 1A.

Next, a rescue method using the rescue capsule 1A of the present invention will be described with reference to FIG. First, in FIG. 5, 10 is a pneumatic caisson that is sunk in the ground,
Reference numeral 11 denotes a slab formed in the lower part of the pneumatic caisson 10.
An opening 13 that leads to is formed. 14 is a shaft of outfitting, 15 is a lock provided in the middle of the shaft 14, 15a is a hatch that can be opened and closed, 16 is the shaft 1
4 is an upper lock provided on the upper part of 4, 4a is an upper hatch that can be opened and closed, and 17 is a hoisting and lifting device such as a crane provided on the ground side for hoisting and hoisting the rescue capsule 1A.

At the time of work, a ground excavation machine (not shown) provided in the work chamber 12 is used to excavate the natural ground G,
Along with that, the pneumatic caisson 10 is settled by the weight of the pneumatic caisson 10. In this case, the worker a may enter the work chamber 12,
The worker a may suffer an acute illness or may be injured such as injured and have difficulty walking.

In such a case, the person in charge of Hakouchi contacts the person in charge on the ground by telephone, and the person who receives it informs the locktender and the person who slings on the ground. The locktender immediately operates the crane 17 at the position where the rescue capsule 1A is located, the ground sled removes the sand bucket, and the wire rope 1 of the crane 17 is attached to the hanging metal fitting 2a of the rescue capsule 1A.
Connect 8.

After that, the working chamber 1 is inserted through the shaft 14.
Up to 2, the rescue capsule 1A connected to the crane 17 is lowered, the worker a is put on it, and a caregiver also enters inside if necessary, and is pulled up to the ground and rescued. In this case, since the floor of the rescue capsule 1A is made of the expanded metal 3, the earth and sand attached to the body of the worker a falls outside. Also, since there is air circulation, it will not be stuffy. As is well known, the working chamber 12 has an air pressure higher than the atmospheric pressure via a pneumatic device (not shown), so the upper hatch 16a is depressurized in the upper lock 16 to reach the atmospheric pressure. Open it and carry it to the ground, and take appropriate measures.

[0016]

As described above, according to the present invention, the working room 1
Even if the worker a in 2 has an emergency, the capsule outer cylinder 1
Since there is a lid, a lid 2, etc., and the worker a can be housed and protected inside, the worker can be rescued safely and promptly. Further, since the floor is made of the expanded metal 2 having a fine shape, the earth and sand adhering to the worker a can be dropped and discharged to the outside, and the air also flows, so that oxygen deficiency does not occur.

[Brief description of drawings]

FIG. 1 is a front view of an embodiment of the present invention.

FIG. 2 is a bottom view taken along the line AA in FIG.

FIG. 3 is an explanatory view showing the internal structure of the present invention when viewed from the front.

FIG. 4 is an explanatory view showing the internal structure of the present invention when viewed from above.

FIG. 5 is an explanatory view showing a usage state of the present invention.

[Explanation of symbols]

 1 Capsule Outer Tube 2 Lid 2a Hanging Metal Fitting 3 Expanded Metal 4 Door 5 Handle 6 Peephole 7 Lock 8 Chair 9 Handrail 10 Pneumatic Caisson 11 Slab 12 Working Room 13 Opening 14 Shaft 15 Lock 15a Hatch 16 Top Lock 16a Upper Hatch 17 Suspension lifting device: Crane 18 Wire rope a Worker

Claims (1)

[Scope of utility model registration request] 1. A door (4) having a substantially cylindrical shape and capable of opening and closing.
The capsule outer cylinder (1) provided with the capsule outer cylinder (1), the lid (2) provided on the upper part of the capsule outer cylinder (1), and the lid (2) provided on the lower part of the capsule outer cylinder (1). In a working room (12) of the pneumatic caisson (10) through a shaft (14) and with an expanded metal (3) provided with a chair (8) on which a) sits. The worker rescue capsule for pneumatic caisson, which is capable of accommodating the worker (a) of FIG.