JPS6136473Y2 - - Google Patents

Description

[Detailed Description of the Invention] This invention relates to a lifter for carrying out a hull block in a hull block construction system, and more particularly to an auxiliary lift tab for carrying out a narrow hull block which is additionally attached to the currently installed lifter.

The currently installed lifter for carrying out hull blocks is a pair of hydraulic jacks JJ arranged at preset intervals in a recess P excavated in the floor as shown in Figure 1a, b, and c. are arranged facing each other, and a table lifter B is formed between the upper ends of the pistons of the hydraulic jacks JJ forming the pair, and is formed into a girder shape with a flat top surface, and which places the hull block W and moves it up and down. The lifter units L are arranged and fixed so as to face each other at a preset distance (see FIG. 1C). In this case, since the spacing l between the lifter units L and L is set to 9 m, a hull block W of less than 9 m cannot be placed on the lifters L and L due to its dimensions.

In recent years, as ship shapes have become smaller, there has been a trend toward more hull blocks with a width of less than 9 m. Therefore, there has been a demand for an improvement so that hull blocks with a width of less than 9 m can be manufactured and distributed even on the existing lifter for transporting blocks.

This idea was created in view of the above-mentioned requests, and utilizes the power of the lifter for carrying out existing blocks to create a narrow block with a simple structure, low manufacturing cost, easy operation, smooth operation, and high safety. Its purpose is to provide an auxiliary lifter for carrying out.

The gist of this invention lies in the structure of the auxiliary lifter for carrying out narrow blocks as described in the claims of the above-mentioned utility model registration.

This invention will be explained in detail below with reference to the drawings showing one embodiment thereof. Figure 2 a, b,
2c is a drawing showing an embodiment of this invention, FIG. 2a is a schematic front view for explaining the usage state of the auxiliary lifter 1 according to this invention, and FIG. 2b is a diagram showing an embodiment of this invention. FIG. 2c is a front view of the auxiliary lifter 1 shown in FIG .
This is a side view in the direction of the Y arrow, and the same parts are designated by the same reference numerals throughout FIGS. 2a, b, and c. In the figure, reference numeral 1 denotes the auxiliary lifter main body, one end of which is formed with a stepped portion 1' to facilitate placement on the entire surface of the existing block lifter B, and which faces the existing block lifter by a preset length. A plurality of reinforcing members 1" are formed to protrude in the direction B', have a flat upper surface, and have equal depths on the lower surface of the flat plate so that the lower surface is supported by the upper surface of the existing lifter B. These reinforcing members 1'' are fixed at appropriate intervals, and the lower ends of these reinforcing members 1'' are placed on the existing lifter B so that the upper surface of the auxiliary lifter main body 1 is approximately horizontal at the front and rear of the stepped portion 1'. It is configured. The stepped portion 1' is formed to facilitate setting of the placement area when the auxiliary lifter main body 1 is placed on the existing lifter B, and in some cases, the formation of the stepped portion 1 may be omitted. It is possible. Reference numerals 2 and 3 denote a pair of arms of equal length, which are arranged in an X shape, and each of the pair of arms 2 and 3 is located near both ends in the width direction of the auxiliary lifter main body 1, as shown in FIG. 3c. One end of each of the two arms 2 and 3 is fixed to the lower surface of the auxiliary lifter main body 1 and the lower surface of a concave hole drilled in the floor surface by means of pivot pins 5 and 5. One end portion is fixed to the upper surface of the bottom plate 7 disposed below the liner 10' via a liner 10' so as to be rotatable in a vertical plane by common means, and the other end is connected to the auxiliary lifter. Wheels 6, 6 are rotatably mounted on a shaft at the tip portion so as to be guided by rails 8, 8 fixed to the lower surface of the main body 1 and the upper surface of the bottom plate 7, respectively. and an arm 2 arranged in an X shape,
3 is integrally pivotally connected by a pin 4 at the intersection of the X shape, and supports the protruding portion of the auxiliary lifter main body 1 from the existing lifter B so as to be freely raised and lowered. Reference numeral 9 denotes a hard rubber for protecting the hull auxiliary lifter main body 1 fixed to the upper surface of the tip portion of the auxiliary lifter protrusion.

Since this device has the above-mentioned configuration, one end of the auxiliary lifter main body 1 is placed on the existing lifter B,
The existing lifter B is operated by operating the existing hydraulic cylinder A.
When the auxiliary lifter body 1 is raised or lowered, the X-shaped arms 2 and 3 interposed between the auxiliary lifter body 1 and the bottom plate 7 are guided to the rail 8 while supporting the auxiliary lifter body 1, and are guided to the intersection of the arms 2 and 3. The auxiliary lifter main body 1 is moved around the pivot pin 4 in order to support the protruding portion of the auxiliary lifter main body 1 from the existing lifter B. A narrow hull block having a width of less than 9 m can be placed between the existing lifters B and moved up and down.

Since this device has the structure and function described above,
According to this idea, if the lengths of the arms 2 and 3 are set in advance, even a hull block with a width of less than 9 meters can be placed on the auxiliary lifter 1 of the above configuration, and the existing lifter B, The auxiliary lifter 1 of the above configuration can not only be pushed up by
Since it is a simple range, it can be easily and integrally attached to the existing lifter B with a crane, and the manufacturing cost is low, and the protruding part from the existing lifter B can be mechanically supported by the arm. The movement of the arm is guided by rails fixed to the auxiliary lifter body and the bottom plate, respectively, so lifting of the auxiliary lifter body is easy, smooth and reliable due to the action of the existing lifter. The practical effect is remarkable.

[Brief explanation of drawings]

Figures 1 a, b, and c are schematic diagrams for explaining the currently installed lifter for transporting hull blocks, where a is a front view, b is a sectional view taken along line X-X in figure a, and c is a
2A, 2B, and 2C are schematic diagrams for explaining an embodiment of this invention, a is a front view showing the state of use of this invention, and FIG. 2B is a schematic diagram for explaining an embodiment of this invention. A front view, and c is a side view in the Y-Y line arrow direction in b. 1 ... Auxiliary lifter for carrying out narrow blocks, 1...
Auxiliary lifter body, 2, 3... Arm, 4, 5...
Pivot pin, 6...wheel, 7...bottom plate, 8...guide rail.

Claims (1)

[Scope of utility model registration request] An auxiliary lifter main body having a flat top surface, one end of which is placed on the table of the lifter for carrying out blocks, the other end forming a free end, and reinforced in the shape of a spar with reinforcing material of equal depth in the length direction; A bottom plate is arranged and fixed on the floor below the portion of the auxiliary lifter body protruding from the table so as not to float; one end is rotatably pivoted to the bottom surface of the auxiliary lifter body and the top surface of the bottom plate, respectively, forming an X shape. and an arm of equal length having a wheel rotatably mounted at the other end so as to be moved by being guided by guide rails fixed to the lower surface of the auxiliary lifter main body and the upper surface of the bottom plate, respectively; 1. An auxiliary lifter for carrying out narrow blocks, comprising a pin that integrally pivots the arm at an intersection of the shapes.