JP5358969B2 - Deck crane test run base - Google Patents

Description

  The present invention relates to a pedestal used when a deck crane installed on a deck of a ship is trial run.

  The deck crane is installed on the deck of a ship and is used for loading and unloading work of the ship. Such a deck crane is also described in Patent Document 1 and the like.

  As shown in FIG. 4, conventionally, when a trial operation of the deck crane 1 is performed, a hole 30 is dug in the ground, an anchor 31 such as a reinforcing bar is placed in the dug hole 30, and concrete 32 is placed. The platform 33 for mounting the deck crane 1 for trial operation was made.

JP-A-10-101292

  By the way, in the gantry 33 shown in FIG. 4, not only the construction period and cost are required for the installation of the gantry 33, but also the gantry 33 cannot be moved and the place where the trial operation is performed cannot be changed. If the production site cannot be planned and the trial run location must be changed, new excavation, reinforcement, and concrete placement work will be required. There is a problem that diversion is difficult.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a deck crane trial run base that allows easy installation of the base and can easily change the place where trial run is performed by moving the base.

In order to achieve the above-mentioned object, the present invention is a gantry used for trial operation of a deck crane installed on a deck of a ship, and includes a gantry body that is movably mounted on the ground. , a crane mounting portion deck crane commissioning is mounted, is connected to the crane mounting portion, possess a weight mounting portion weight is detachably attached, said cradle body about said crane mounting portion A plurality of radiating members arranged radially, a frame member that connects the distal ends of the radiating members, a bottom plate that closes a lower portion of a space defined by the crane mounting portion, the radiating member, and the frame member; The crane mounting portion, the radiating member and the frame member are provided detachably, and have a lid for closing the upper portion of the space defined by the crane mounting portion, the radiating member and the frame member, weight Wear part is intended consists partitioned space between the crane mounting portion and the radiating member and the frame member and the bottom plate and the lid.

Here, the size of the gantry body may be changeable according to the deck crane performing the trial operation .

  The weight may be granular or gravel.

  ADVANTAGE OF THE INVENTION According to this invention, there exists an outstanding effect that the installation of a mount frame is easy, and the stand for trial operation of the deck crane which can change the place which performs a test run by moving a mount frame can be provided.

  Preferred embodiments of the present invention will be described below in detail with reference to the accompanying drawings.

  FIG. 1 is a plan view of a test crane for a deck crane according to an embodiment of the present invention. 2 is a cross-sectional view taken along line II-II in FIG.

  The test operation platform 10 according to the present embodiment is used when the deck crane 1 (shown by a one-dot chain line in FIG. 2) installed on the deck of the ship is subjected to a test operation. The deck crane 1 according to the present embodiment is a single crane.

  As shown in FIGS. 1 and 2, the test run base 10 includes a base body 11 that is movably mounted on the ground. The gantry body 11 is mainly composed of a crane mounting portion 12 on which the deck crane 1 to be tested is mounted, and a weight mounting portion 14 connected to the crane mounting portion 12 and on which a weight 13 is detachably mounted.

  In the present embodiment, the gantry body 11 includes a plurality of radiating members 15 arranged radially around the crane mounting portion 12, a frame member 16 that connects the distal ends of the radiating members 15, the crane mounting portion 12, and the like. A bottom plate 17 that closes a lower portion of a space defined by the radiating member 15 and the frame member 16; and a lid 18 that closes an upper portion of the space defined by the crane mounting portion 12, the radiating member 15, and the frame member 16. Yes. The lid 18 is detachably provided to the crane mounting portion 12, the radiating member 15, and the frame member 16.

  In this embodiment, the gantry body 11 is formed in a polygonal shape in plan view (an octagonal shape in the illustrated example) (see FIG. 1).

  In the present embodiment, the weight mounting portion 14 includes a space defined by the crane mounting portion 12, the radiation member 15, the frame member 16, and the bottom plate 17.

  In the present embodiment, the weight 13 is granular or gravel. Specifically, sand or gravel is used as the weight 13. In the present embodiment, the weight of the gantry body 11 is 100 t (tons), and the weight of the weight (sand or gravel) 13 is 400 t (tons).

  In the present embodiment, ribs 19 for preventing deformation of the bottom plate 17 are provided on the bottom plate 17.

  In the present embodiment, the radiation member 15 and the frame member 16 are made of H steel (for example, general structural rolled steel), and the bottom plate 17 and the lid 18 are made of plate (for example, general structural rolled steel).

  Next, the operation of this embodiment will be described.

  When the deck crane 1 is subjected to a trial operation using the trial operation platform 10 according to the present embodiment, first, a flat plate 20 (for example, an iron plate) is laid on the ground where the trial operation of the deck crane 1 is performed. Next, the gantry body 11 is placed on the flat plate 20 laid on the ground. At that time, the gantry body 11 is placed so that the crane mounting portion 12 is horizontal.

  Next, the weight of the trial run base 10 (the base body 11) including the weight (sand or gravel) 13 and the weight (sand or gravel) 13 becomes a predetermined weight (in this embodiment, 500 t (tons)) or more. Until the weight mounting portion 14 (the space defined by the crane mounting portion 12, the radiating member 15, the frame member 16, and the bottom plate 17) of the gantry body 11. The lid 18 is attached to the crane mounting portion 12, the radiating member 15 and the frame member 16 with the weight (sand or gravel) 13 placed in the weight mounting portion 14, and the weight mounting portion 14 is closed. To do.

  Then, the deck crane 1 is mounted on the crane mounting portion 12 of the gantry body 11 and the deck crane 1 is tested.

  Here, during the trial operation of the deck crane 1, when a falling moment due to the turning of the deck crane 1 or the jib raising operation acts on the deck crane 1, the gantry body 11 on which the weight (sand or gravel) 13 is mounted is used as a counterweight. Since it functions, the stability of the deck crane 1 can be ensured.

  Moreover, in this embodiment, since the several radiation member 15 was arrange | positioned radially centering on the crane mounting part 12, these radiation members 15 mainly receive a fall moment, and the deck crane 1 rolls over. This can be surely prevented.

  In the present embodiment, the weight 13 is a granular or gravel-shaped one that has good workability and portability when being inserted into and removed from the weight mounting portion 14 of the gantry body 11, and the trial run gantry 10 (the gantry body 11). ) Is easy to install.

  On the other hand, when changing the place for trial operation by moving the trial operation base 10 (base body 11), the weight (sand or gravel) 13 is taken out from the weight mounting portion 14 of the base body 11 to perform the trial operation. The weight of the gantry 10 (the gantry body 11) is reduced.

  In this embodiment, when the gantry body 11 is moved, the weight 13 is taken out from the weight mounting portion 14 of the gantry body 11 to reduce the weight of the gantry body 11, so that the gantry body 11 has good portability. Yes, it is possible to easily change the place where the trial run is performed by moving the trial run base 10 (base body 11).

  In short, according to the present embodiment, it is easy to install the trial run base 10 (base body 11), and to easily change the place where the trial run is performed by moving the trial run base 10 (base body 11). it can.

  The preferred embodiments of the present invention have been described above. However, the present invention is not limited to the above embodiments, and various other embodiments can be adopted.

  For example, the size of the gantry body 11 may be changed according to the deck crane 1 that performs the trial operation. For example, when the size of the gantry body 11 shown in FIG. 1 is increased, the gantry body 11 may be enlarged in the longitudinal direction of the radiating member 15 (not shown). The main body 11 may be enlarged in the height direction. In FIG. 3, the radiation member 15 and the frame member 16 are newly added on the radiation member 15 and the frame member 16, respectively, thereby increasing the weight of the gantry body 11 and enlarging the weight mounting portion 14. Yes.

  In the above embodiment, the weight 13 is granular or gravel. However, the weight 13 is not limited to this, and the weight 13 may be a block or liquid.

  In the above embodiment, the deck crane 1 is a single crane. However, the present invention is not limited to this, and the deck crane 1 may be a double deck crane.

It is a top view of the stand for trial operation of the deck crane which concerns on one Embodiment of this invention. It is the II-II sectional view taken on the line of FIG. It is a sectional side view of the trial run stand of the deck crane which concerns on a modification. It is a sectional side view which shows the stand for trial operation of the conventional deck crane.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Deck crane 10 Test run frame 11 Mount body 12 Crane mounting part 13 Weight 14 Weight mounting part 15 Radiation member 16 Frame member 17 Bottom plate

Claims (3)

A cradle used for trial operation of a deck crane installed on the deck of a ship,
A gantry body that is movably mounted on the ground is provided. The gantry body is connected to a crane mounting portion on which a trial crane is mounted, and a weight is attached to the crane mounting portion and a weight is detachably mounted. have a part and,
The gantry body includes a plurality of radiating members arranged radially with respect to the crane mounting portion, a frame member connecting the distal ends of the radiating members, the crane mounting portion, the radiating member, and the frame member. A bottom plate that closes the lower part of the space partitioned by, the crane mounting portion, the radiating member, and the frame member are detachably provided and partitioned by the crane mounting portion, the radiating member, and the frame member. A lid that closes the top of the space;
The deck mounting structure for a trial operation of a deck crane, wherein the weight mounting portion is configured by a space defined by the crane mounting portion, the radiation member, the frame member, the bottom plate, and the lid . The deck for trial operation of the deck crane according to claim 1, wherein the size of the base body can be changed according to the deck crane performing the trial operation.   The deck crane trial run stand according to claim 1 or 2, wherein the weight is granular or gravel.

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