JPH0489722A - Device for unloading/loading crane onto/from ship - Google Patents

Abstract

PURPOSE:To facilitate the loading/unloading of a crane by connecting up-grade inclined rails to parallel existing quay rails, providing guide tracks orthogonally thereto on a quay and a platform of a ship, and placing and running the crane on guide track traveling rails provided on the extension of the inclined rails. CONSTITUTION:A crane on existing crane rails 1 laid on a quay is drawn and pulled up on up-grade inclined rails 2 connected to the rails 1 by wheels 8 of four legs, and transferred to four traveling rails 10. By orthogonally drawing the crane by a winch from the ship side, the traveling device of the traveling rails 10 is rotated, and the crane is moved on guide tracks 4 and ship side guide tracks 4' as it is placed on the traveling rails 10 and loaded on a platform 5 of a ship. Thus, at the time of loading/unloading the crane, the lifting of the crane and the replacement of the wheels 8 are not required, and the loading/ unloading is facilitated.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a ship loading/unloading device for a crane used when a unloading crane installed on a quay is transferred to another quay by a vessel such as a fishing boat.

[Conventional technology]

The unloading crane installed on the quay is called a tower crane, and has a structure in which the revolving part of the jib crane is attached to the top of a high prismatic steel tower. This crane has wheels attached to the four legs of the steel tower for moving on crane rails laid on the quay, and when pulled by a winch, it can be moved on the crane rails to a predetermined unloading position. .

By the way, when this type of crane is transported by sea on a vessel such as a ship, the crane must be loaded and unloaded from the quay to the vessel or from the vessel to the quay.

Conventionally, the loading and unloading of ships on such lanes has been carried out using other cranes, or a rail bridge has been built between the loading platform of the berthed ship and the crane rail on the quay, and the crane has been mounted on this rail bridge. Instead, it is pulled by a winch.

[Problem to be solved by the invention]

However, when hoisting a crane with another crane, the crane to be hoisted has a complicated shape with the rotating part of the jib crane attached to the top of a high steel tower, so the center of gravity during hoisting is There is a problem that is difficult to decide.

In addition, when loading and unloading work performed after constructing a rail bridge, it is necessary to jack up the crane and transfer it from the existing crane rail to the rail bridge, and when doing so, the orientation of the wheels of all four legs must be 90 according to the direction of
Since it is necessary to change the degree, there is a problem in that these operations take a long time.

The present invention was made to solve such problems, and is suitable for determining the center of gravity of cranes, jacking up work,
The purpose of the wheel attachment is to provide a device that does not require any water change work, etc., and allows the crane to load and unload ships in an extremely short period of time.

[Means to solve the problem]

The crane ship loading/unloading device of the present invention which achieves the above object has two uphill sloped rails 2, 2 connected to parallel existing crane rails 1, 1 laid on a quay, and a crane crane rail perpendicular to this. The left and right guide tracks 4.4 are installed in accordance with the wheel base, and the tips of the guide tracks 4.4 extend above the loading platform 5 of the ship berthed.
, 4, the left and right ship side guide tracks 4'4
', a horizontal rail 6.6 installed on the extension line of the inclined rail 2゜2 between the guide tracks 4, 4, and having the same height as the inclined rail; ，
2, respectively, via a plurality of guide track running devices 9, and the upper surface thereof coincides with the inclined rail 2 and the horizontal rail 6. Features.

In this case, it is preferable that the inclined rail 2.2, the left and right guide tracks 4.4, and the left and right ship-side guide tracks 4', 4' are all separable.

Further, the inclined rails 2, 2 may be provided so as to abut the jacking device 1 on the lower surface of the lower end 2a thereof and move up and down to a horizontal level using the higher end 2b as a fulcrum.

[For production]

According to the above configuration, as shown in FIG. 1, the cranes on the existing crane rails 1, 1 laid on the quay
By pulling with a winch etc., the four wheels 8.
... climbs up the inclined rails 2, 2, and rides on four traveling rails 10, as shown in Fig. 2. Next, when this crane is pulled from the ship side with a winch or the like in the orthogonal direction,
Guide track running device 9 for four running rails 10...
The crane rotates, and the crane moves on the guide tracks 4, 4 and the ship-side guide tracks 4', 4' together with the traveling rails 10..., and is loaded onto the loading platform 5 of the ship as shown in Fig. 3. .

In addition, when lowering the crane from the ship to the quay, follow the exact opposite procedure to the above, and use the crane (third crane) on the loading platform 5 of the ship.
Figure) is pulled from the quay side and moved until the four traveling rails 10 on which the cranes are mounted are located on the extension line of the inclined rails 2, 2 on the guide tracks 4, 4 in Figure 2 (Figure 2). 2
figure). Next, when this crane is towed from the orthogonal direction, the crane descends the inclined rail 2.2 with its four wheels 8, and is lowered directly onto the existing crane rails 1 and 2 laid on the quay (Fig. 1). ).

In this way, when loading and unloading a ship, the crane must be hoisted, jacked up, and the wheels 8 and
There is no need to replace or attach...

In addition, the inclined rails 2, 2 and guide track 4 installed on the quay
, 4. The horizontal rail 6.6 etc. can be divided and loaded onto the ship after loading and unloading the crane onto the ship.

In addition, when the inclined rails 2, 2 can be moved up and down to the horizontal level by the jacking device 15, the inclined rails 2, 2 on which the crane is mounted can be jacked up, as shown by the imaginary line in Fig. 6. The rail 2.2 is horizontal and at the same height as the adjacent running rail 10.10. Therefore, even if the inclination angle θ of the inclined rails 2.2 is set large, there is no risk of derailment when the crane is transferred from the inclined rails 2, 2 to the travel rail 10.10, and the inclined rails 2, 2. The total length of can be shortened.

Hereinafter, the present invention will be described in detail based on the drawings.

〔Example〕

FIG. 1 is a perspective view showing an example of the apparatus of the present invention, in which reference numeral 2.2 denotes upwardly inclined inclined rails connected to parallel existing crane rails 1, 1 laid on a quay. This inclined rail 2.2 connects a plurality of crane rails of a predetermined length, and as shown in FIGS. 4(a) and 4(b),
By increasing the height of the joint plate 3 that fixes each connection part in sequence, the required upward slope (1/40 in the illustrated example)
).

4.4 is a left and right guide track installed orthogonally to the above-mentioned inclined rail and whose tip extends above the loading platform 5 of the berthed ship, and as shown in FIG. This is to match the wheelbase W' of the crane to be used. In the illustrated example, the left and right guide tracks 4, 4 are two rows of parallel tracks (4a).

4a) (4a, 4a). Each of these tracks 4a... is formed by connecting a plurality of bars of a predetermined length, and the parallel interval W thereof is equal to the tread interval W of the traveling device 9 provided on the traveling rail 10, which will be described later. ′
It should match. Note that the tip of each track 4a... is formed into a hook shape (not shown), so that it can be locked to the tip of each track 4Fa... of ship-side guide tracks 4', 4', which will be described later. It has become.

4', 4' are the left and right guide tracks 4 on the loading platform 5 of the ship.
, 4, and two rows of parallel tracks (4a', 4a') (4a
', 4a'), and each of these tracks is formed by connecting a plurality of bar steel of a predetermined length, as in the case of the guide tracks 4, 4.

6.6 is the inclined rail 2 between the left and right guide tracks 4, 4.
．． These are horizontal rails installed on the extension lines of 2. These horizontal rails 6.6 are covered with sleepers 7,
By adjusting the height of 7, the upper surface is made to match the height T of the inclined rail 2, so that it is provided horizontally. Multiple sets of horizontal rails 6.6 with different lengths are prepared in advance, and one can be selected that matches the spacing between the left and right guide tracks 4, 4, which is adjusted according to the wheel base W' of the crane. It looks like this.

The four running rails 10... placed on the left and right guide tracks 4, 4 on the extension line of the inclined rails 2, 2 via the guide track running device 9 are placed at both left and right ends of the lower surface side. , the parallel orbits 4a, 4a and 4aF, 4a
Attach a guide track running device 9... that runs on l.
The upper surface is formed at the same height T as the inclined rail 2.2 and the horizontal rail 6.6. As shown in FIG. 5, the guide track traveling devices 9 attached to these traveling rails have a center plate llc inside a U-shaped housing 11 formed by a top plate lla and a side plate itb. is provided, and the center plate 11
It has a heavy-load-bearing structure in which a large number of rollers 12 are endlessly connected around the periphery of c by link plates 13 and pins 14. These guide track traveling devices 9 are attached by welding or bolting the top plate lla to a predetermined position on the lower surface side of the traveling rail 10.

The sixth example is another embodiment of the device of the present invention, in which the inclined rails 2, 2 run with the high end 2b as a fulcrum by the jacking device 15 that is in contact with the lower surface of the lower end 2a. This is an example in which the rail 10.10 is provided so as to be movable up and down to the same horizontal level as the rail 10.10.

In addition, when using the device of the present invention to load and unload a ship using a crane, adjust the amount of water in the deep water tank in advance so that the height of the loading platform 5 matches the height of the quay.
The ship's mooring rope is firmly anchored to the bollard on the quay.
It is necessary to prevent the ship from rocking.

〔Effect of the invention〕

As explained above, according to the apparatus of the present invention, the crane can be loaded onto and unloaded from a ship without lifting the crane, jacking it up, or changing the wheels. Therefore, it becomes possible to use the crane to load and unload ships easily and quickly, and the efficiency of this type of work is greatly improved.

[Brief explanation of the drawing]

Figures 1 to 3 are perspective views showing an example of the device of the present invention;
Figures (A) and (B) are a plan view and a side view of the device of the present invention, Figure 5 is a longitudinal sectional perspective view of the main part explaining the guide track running device used in the device of the present invention, and Figure 6 is a diagram of other inclined rails. FIG. 2 is a side view of main parts explaining an example. 2: Inclined rail, 4: Guide track, 4': Ship side guide track, 6: Horizontal rail, 9: Guide track running device, 10: Running rail, 15: Jacking device.

Claims (3)

[Claims] (1) Existing parallel crane rails laid on the quay (
1) Uphill inclined rail (2) connected to (1) (2)
), and the left and right guide tracks (4) (4), which are installed perpendicularly to this and match the wheel base of the crane, and whose tips extend over the loading platform (5) of the berthed ship;
) on the left and right ship side guide tracks (4') (4') installed in line with the above guide tracks (4) (4), and an inclined rail (2) between the guide tracks (4) (4). Horizontal rails (6) (6) installed on the extension line of (2) and matching the height of the inclined rail, and an extension of the inclined rail (2) (2) on the guide track (4) (4) Four running rails are placed on the line via a plurality of guide track running devices (9) and whose upper surfaces coincide with the inclined rail (2) and the horizontal rail (6).
10) A crane ship loading/unloading device comprising: (2) Inclined rail (2) (2) and left and right guide tracks (4)
2. The ship loading/unloading device for a crane according to claim 1, wherein the left and right ship side guide tracks (4') and (4') are both separable. (3) The inclined rail (2) (2) has its lower end (
2a) With the jack device (15) in contact with the lower surface,
The ship loading/unloading device for a crane according to claim 1 or 2, characterized in that it is provided so as to be movable up and down to a horizontal level using the higher end (2b) as a fulcrum.