JPH0740881A - Tent unit for pit work - Google Patents

Abstract

PURPOSE:To isolate the inside of a pit from an external environment, and improve cargo carrying performance between an external part and the pit. CONSTITUTION:A tent unit has a base frame 1 arranged in the vicinity of a peripheral part of a pit, a work floor 2 arranged integrally inside of the base frame 1, a cargo loading-unloading floor 3 arranged outside of the work floor 2 in an overhang condition, a tent member arranged above the base frame 1 so as to form a work space and a cargo carrying means 5 which is arranged in a part of the work floor 2 and is connected to the inside of the pit.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pit work tent unit, and in particular, provides a suitable work environment by isolating the work in the pit from the outdoor environment.

[0002]

2. Description of the Related Art When constructing a ship or a large-scale liquid storage tank, the working environment is often inside a large recess (pit) and is often an open-air environment.

For example, as disclosed in Japanese Unexamined Patent Publication No. 2-249796 (Liquid carrier), a work for attaching a cold insulation structure to the outer surface of a liquid storage tank accommodated inside a hull is carried out. In some cases, the work in the limited work space inside is forced.

[0004]

In this case, in order to separate the work environment in the pit from the natural environment such as rain and snow outside, it is effective to install a roof above the pit. Since the crane work is restricted by covering the upper part of the pit, workability such as loading / unloading and unloading of working equipment and various loads remains to be solved.

The present invention has been made in view of these circumstances, and an object thereof is to isolate the inside of the pit from the external environment and to improve the transportability of luggage between the outside and the pit.

[0006]

[Means for Solving the Problems] As a tent unit for covering the upper part of a pit to form a work space isolated from the external environment, a base frame arranged near the peripheral part of the pit and an integral part inside the base frame. A work floor, a loading and unloading floor that is arranged outside the work floor in an extended state, a tent member that is arranged above the base frame to form a work space, and a part of the work floor. A structure is provided that includes a baggage transport means connected to the inside of the pit. In addition, rails are laid on the floor for loading and unloading luggage, and a tent for loading and unloading work forming a working space on the floor for loading and unloading luggage is mounted on the rails so as to be movable in parallel. Further, as the unloading work tent mounted on the cargo unloading floor, a tent having a function of opening a part of the upper portion and side portions is applied.

[0007]

By arranging the base frame near the peripheral portion of the pit, a work floor is formed above the pit, and the inside of the work floor and the pit is isolated from the external environment by the tent member. Luggage is delivered between the work floor and the luggage unloading floor outside the work floor,
The operation of the luggage carrying means carries the luggage between the work floor and the inside of the pit. The unloading work tent can be moved along the rails to form a work space on the cargo unloading floor that is isolated from the outside, and the work spaces are switched. If the unloading work tent has a function of opening a part of the upper part and the side part, between the outside and the load / unload floor, or
The transportation of luggage between the luggage unloading floor and the work floor is carried out via the open points.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of a pit work tent unit according to the present invention will be described below with reference to FIGS. In the figure, reference numeral P is a pit, S is a hull (periphery of the pit), X is a panel material (cold panel), T is a tank, C is a container, 1 is a base frame, 2 is a work floor, 3
Is a luggage unloading floor, 4 is a tent member, 5 is a luggage conveying means (vertical conveyor), 6 is a horizontal conveyor, and 7A is an unloading work tent.

FIG. 1 shows an application example in which a tent unit covers a pit P which is a hollow portion of a hull (pit peripheral portion) S of a liquid carrier described above.

As shown in FIGS. 4 to 6, the base frame 1 has a plurality of bases 1a mounted on the hull S before the upper deck is mounted, and a hull supported by the bases 1a. It has a horizontal frame 1b that is horizontally installed in a size range of S.

The work floor 2 is, as shown in FIG.
By arranging a horizontal floorboard integrally with the horizontal frame 1b in a part of the range of the base frame 1, it is installed adjacent to the cargo loading / unloading floor 3. On the outer side of the work floor 2, a load carrying means 5 (vertical conveyor) and a horizontal conveyor 6
Is installed.

As shown in FIGS. 1, 3, 5 and the like, the loading / unloading floor 3 is installed in a state of protruding to the left and right sides of the hull S and at the same height as the work floor 2. Has a work space in which a standardized container C for shipping is installed, and a work space for pulling out the panel material X from the container C and handing it over to the work floor 2.
A rail 3a is provided on the upper surface for assisting the movement of the unloading work tent 7A. A cargo handling device such as a hoist crane is appropriately installed on the loading / unloading floor 3.

The tent member 4 forms a work space above the base frame 1 and the work floor 2 in a state of being isolated from the outside. The tent member 4 has a plurality of columns 4a arranged on the base 1a.
And a side wall portion 4b supported by the support column 4a, and a roof portion 4c disposed on the side wall portion 4b and formed of canvas or the like.

The side wall portion 4b of the tent member 4 is
Alternatively, on the work floor 2 or the like, a power supply facility 4d and a distribution board 4e for supplying power to various places are installed,
A spot cooler 4f for partially cooling the work space as needed, a seat door 4g and an opening / closing window 4h that are opened and closed to take in outside air are arranged.

Further, as shown in FIGS. 2 and 3, a plurality of ventilation fans 4i for exhausting air are provided in the roof portion 4c.
, A conveyor loading hatch 4j for hanging the load carrying means (vertical conveyor) 5 by a crane or the like, a plurality of lighting fixtures 4k for illuminating the internal space, a guide light and a rotating light for guiding during evacuation. , Smoke detectors, sirens, etc. are appropriately arranged.

Further, a handrail 4 for ensuring safety is provided near the work floor 2 and the luggage unloading floor 3.
1, an evacuation port 4m connected to the pit P, an elevating step 4n, and the like are appropriately arranged.

As shown in FIGS. 1 and 3, the load carrying means 5 is arranged on a part of the work floor 2 to load and unload loads such as the panel material X with the inside of the pit P. For example, a vertical conveyor in which the panel materials X are mounted one by one and fed downward is adopted.

The horizontal conveyor 6 straddles between the work floor 2 and the cargo unloading floor 3, for example, the cargo unloading position on the cargo unloading floor 3 and the cargo carrying means 5 on the work floor 2. A roller conveyor or the like, which is arranged in a state in which the upper part and the like are connected and which carries the panel material X and conveys it in the horizontal direction, is applied.

As shown in FIGS. 1 and 3, the unloading work tent 7A is provided with a rail 3 of a cargo unloading floor 3.
It is movably mounted on a and has a function of covering a part of the cargo unloading floor 3 and having a function of releasing the side portion, etc., and is used for loading and unloading a container on the cargo unloading floor 3 described above. This is for the convenience of work.

In the pit work tent unit thus constructed, the pit work tent unit is mounted and fixed to the pit peripheral portion S, so that the work floor above the pit P is horizontal. 2 and the luggage unloading floor 3 are formed, and the tent member 4 and the unloading work tent 7A are arranged on the work floor 2 and the luggage unloading floor 3, whereby the inside of the pit P,
The work floor 2 and the loading / unloading floor 3 are respectively isolated from the external environment, and the work environment is protected from wind, rain, snow, fog, cold and heat, etc.

Further, in the pit work tent unit, the whole or a major part thereof is assembled on the ground and mounted on the hull S, whereby the isolation time of the pit P and the like is shortened.

Using the pit work tent unit,
The case where the panel material X is conveyed to the vicinity of the surface of the tank T inside the pit P will be supplementarily described below.

[Container panel material stacking] Panel material X
Is a panel made of urethane foam or the like, which is a heat insulating material, and has a small weight compared to the volume and is easy to handle, but the amount attached to the outer surface of the tank T is enormous. , Container C on the ground
With a large number of panel materials X accommodated therein, they are hung by a crane and transported from the ground to the unloading floor 3.

[Removal of Panel Material and Horizontal Conveyance] While the container C is placed on the floor 3 for loading and unloading luggage,
Open the door, pull out the panel material X, and move the horizontal conveyor 6
The panel material X is sequentially conveyed horizontally to the inside of the work floor 2 by. When pulling out the panel material X, the unloading work tent 7A is moved by the rail 3a,
Processing such as isolating the work space from the outside and protecting it from wind and rain is performed as necessary.

[Vertical Transfer and Supply of Panel Material] The panel materials X on the horizontal conveyor 6 are mounted one by one on the load carrying means 5 and are transferred downward into the pit P by the operation of the load carrying means 5. To do. Inside the pit P, the panel material X is received at an appropriate height, and thereafter, the panel material X is horizontally transported along the outer surface of the tank T one by one to be supplied to a desired mounting position.

Next, a second embodiment of the pit work tent unit according to the present invention will be described with reference to FIG. In the second embodiment, as shown in FIG. 7, the unloading work tent 7B is arranged so as to cover almost the entire part of the cargo unloading floor 3, and the unloading work tent 7B is provided in the unloading work tent 7B. Is provided with a simple door or the like having a function of opening a part of the upper portion and side portions.

In other words, in the second embodiment, when the container C hoisted by the crane is mounted on the floor 3 for loading and unloading the cargo, it is carried out via the open portion (simple door or the like) at the top or side. It Also, luggage loading floor 3
Even when the panel material X pulled out from the tent member 4 is horizontally conveyed to the work floor 2 inside the tent member 4, it is carried out via the open portion on the side of the unloading work tent 7B.

[Other Embodiments] In the present invention, the following techniques can be adopted instead of the embodiments. a) When the panel materials X are unloaded and conveyed to the floor 3, for example, the plurality of panel materials X are stacked on a pallet. b) Transporting the panel material X, various working equipment, equipment, etc. from the inside of the pit P to the outside by operating the luggage transporting means 5 in the opposite direction. c) Applicable to various works and transportation for recesses (pits P) other than ships. d) A horizontal conveyor 6 at the bottom of or in the middle of the load carrying means 5.
Connect the transportation means such as.

[0029]

The pit work tent unit according to the present invention has the following effects. (1) A base frame arranged in the vicinity of the peripheral portion of the pit, a work floor integrally arranged inside the base frame, and a luggage loading floor arranged outside the work floor in an extended state.
By adopting a configuration provided with a tent member arranged above the base frame to form a work space, the inside of the pit and the work floor above the pit are isolated from the outside environment such as an open-air environment,
A suitable working environment can be provided. (2) By arranging a baggage transfer means connected to the inside of the pit on a part of the work floor, the baggage accumulated on the loading / unloading floor is transferred to the inside of the pit via the work floor. It is possible to improve the transportability of luggage between them. (3) By arranging a rail and a tent for loading and unloading that can be moved by the rail on the loading and unloading floor, it is possible to form a work space isolated from the outside on the loading and unloading floor, and for loading and unloading work. It is possible to move the tent to switch the position of the work space, and to cope with movement and change of the work place. (4) By allowing other unloading work tents to have the function of opening a part of the upper part and the side part, it is possible to carry the luggage through the opening part and to close the opening part. The isolation from the external environment can be improved.

[Brief description of drawings]

FIG. 1 is a partially omitted perspective view showing a first embodiment of a pit work tent unit according to the present invention.

FIG. 2 is a front view showing a first embodiment of a pit work tent unit according to the present invention.

FIG. 3 is a plan sectional view showing a first embodiment of a pit work tent unit according to the present invention.

FIG. 4 is a front view showing an example of a base frame portion of the pit work tent unit according to the present invention.

5 is an enlarged front view of the luggage unloading floor of FIG. 4. FIG.

6 is an enlarged front view of a part of the base frame of FIG.

FIG. 7 is a partially omitted perspective view showing a second embodiment of a pit work tent unit according to the present invention.

[Explanation of symbols]

 P Pit S Hull (pit peripheral part) X Panel material (cold panel) T Tank C Container 1 Base frame 1a Base 1b Horizontal frame 2 Working floor 3 Loading / unloading floor 3a Rail 4 Tent member 4a Pillar 4b Side wall 4c Roof Part 4d Power supply equipment 4e Distribution board 4g Seat door 4h Open / close window 4f Spot cooler 4i Ventilation fan 4j Conveyor input hatch 4k Lighting equipment 4l Handrail 4m Evacuation port 4n Lifting step 5 Luggage conveying means (vertical conveyor) 6 Horizontal conveyor 7A, 7B Unloading Work tent

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Satoshi Takagi 11-1 Kitahamacho, Chita City, Aichi Prefecture Ishikawajima Harima Heavy Industries Co., Ltd. Aichi Factory

Claims (3)

[Claims] 1. A tent unit for covering the upper part of a pit (P) to form a work space isolated from the external environment, the base frame (1) being arranged in the vicinity of the peripheral portion of the pit, and the base frame. Work floor (2) that is integrally disposed inside the vehicle, a loading / unloading floor (3) that is disposed outside the work floor in a protruding state, and a tent member that is disposed above the base frame and forms a work space. A pit work tent unit, comprising: (4) and a load carrying means (5) arranged on a part of the work floor and connected to the inside of the pit. 2. A rail (3) on the loading / unloading floor (3).
The pit work according to claim 1, wherein a) is laid, and a unloading work tent (7A) that forms a work space above the cargo unloading floor is mounted on the rail so as to be movable in parallel. For tent unit. 3. The loading / unloading tent (7B), which forms a working space above the loading / unloading floor (3) and is partially opened, is arranged on the loading / unloading floor (3). Tent unit for pit work.