JP2000280975A - Panel assembling method and device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To eliminate the necessity of installing a falling-down preventive jig on a base panel by placing the base panel on a surface plate incorporating a skin attaching device, carrying a sub-panel up to a prescribed position on the base panel by a panel holding carriage, and pushing up and welding the base panel by the skin attaching device. SOLUTION: A skin attaching device 23 composed of an air bag integrally formed in the width direction of a surface plate 21 is arranged in the surface plate 21. In assembling a panel, a base panel 1 is placed on the surface plate 21. A panel holding carriage moves by vertically holding a sub-panel 2 by striding over the base panel 1 to carry the sub-panel to a prescribed position on the base panel 1. Then, the base panel 1 is pushed up by the skin attaching device 23. The sub-panel is welded in a state of being applied to the skin of the base panel 1 by the skin attaching device 23. This constitution can eliminate useless work such as removing a jig again after welding the jig to the base panel 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a method and an apparatus for assembling a panel which is a large steel structural member.

[0002]

2. Description of the Related Art When constructing a large steel structure such as a ship, a panel structural member 3 is used, in which a sub panel 2 is vertically attached to a base panel 1 as shown in FIG. For example, FIG. 2 shows a double bottom structure of a ship, in which a panel structure material 3 is placed on a bottom plate 4 and a double bottom plate 5 is placed thereon to assemble a double bottom. The size of the panel structural material 3 varies, but for example, the base panel 1 is about 20 m long and 2 m wide, and the sub-panel 2 is about 2 m wide and 4 m high.

Conventionally, in assembling the panel structural member 3, as shown in FIG. 9, a jig 6, 6 'for preventing falling is welded on the base panel 1 with a gap larger than the thickness of the sub-panel 2. (A in FIG. 9)
Next, the sub-panel 2 is suspended by a crane (not shown) between the jigs 6 and 6 '(B in FIG. 9), a tool 7 such as a lever block is mounted, and the crane is released. 2 is adjusted so as to stand upright, while being closely attached to the base panel 1, and temporarily fixedly welded in place (C in FIG. 9). The jigs 8 and 8 'for mounting tools may be attached by welding as needed.

After temporary fixing in this manner, the jigs 6 and 6 'for preventing falling are removed, welding marks are repaired with a grinder or the like, and welding is performed (FIG. 9D). Further, the sub panel 2 is hung by a crane without using a jig for preventing the fall, and is held vertically by the crane.
In some cases, welding is performed while adjusting the adhesion with the crane and hanging with a crane.

In the conventional method described above, the jigs 6, 6 'are used.
A considerable amount of time and effort is required for the removal, and traces of jig welding remain. In addition, since a large and heavy steel material is handled, even if the position is adjusted, the operation requires a considerable amount of time and labor, and is also a dangerous operation. Further, in the method of welding with a crane suspended, there is also a disadvantage that the crane is occupied during this operation, and there is a waste such as wasted work, wasted time and occupation of the crane.

[0006]

DISCLOSURE OF THE INVENTION The present invention eliminates waste, which is a disadvantage of the conventional type, and saves a jig for preventing a fall from being welded and attached onto a base panel when assembling a panel structural material. It is an object of the present invention to provide a panel assembling method and apparatus capable of improving humanization, safety, quality, and workability.

[0007]

According to a method of assembling a panel, a base panel is placed on a surface plate having a built-in skinning device which can be freely protruded from the surface of the surface plate, and the base panel is movable across the base panel. With the vane holding cart, carry the sub-panel vertically to a predetermined position on the base panel and carry it, activate the skinning device at that position, push up the base panel,
We welded it to the sub-panel.

Further, in the panel assembling apparatus, it is possible to move over a base plate having a built-in skinning device capable of protruding from the base plate surface at a predetermined pitch and a base panel mounted on the base plate. And a panel holding cart having a panel holding portion for holding the sub panel vertically.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 3 is a perspective view showing the panel holding cart, and FIG. 4 is a side view showing the panel holding mechanism. First, the structure of the panel holding cart will be described. Reference numeral 11 denotes a movable panel holding cart that holds and holds the sub-panel 2 vertically. The panel holding trolley 11 is a trolley mount 1
2, a wheel 13 mounted on the gantry 12, and a panel holding portion 14 supported by the gantry 12.

The panel holding portion 14 comprises a U-shaped fixing member 14 'and an opening / closing member 14 "applied to an opening of the fixing member 14'. Is fixedly mounted on the gantry 12, and the opening / closing member 14 ″ is mounted on the gantry 12 at both ends with bolts 15 so as to be freely opened and closed. In addition, the opening and closing member 1
The 4 ″ may be pivotally mounted at one end on the gantry 12 and may be pivoted to open and close, or may be slid from one end to open and close.

In FIG. 4, reference numeral 16 denotes a hydraulically operated jack which is mounted in a plurality in a line in the longitudinal direction of the fixing member 14 '. 17 faces the jack 16,
This is a panel receiving member that extends and is fixed in the longitudinal direction of the opening / closing member 14 ″. The panel receiving member 17 and the jack 16 constitute a panel holding mechanism.

Next, a surface plate and a skin-dressing device will be described. FIG. 5 is a perspective view showing a surface plate, and FIGS. 6 and 7 are schematic views showing a skinning device. Reference numeral 21 denotes a lattice-shaped surface plate, and the base panel 1 is placed on the surface plate 21 when assembling the panel, and the above-mentioned panel holding cart 11 holds the sub-panel 2 vertically across the base panel 1. Then, the sub panel 2 is assembled at a predetermined position on the base panel 1. Reference numeral 22 denotes a traveling path of the panel holding trolley 11 laid on the surface plate 21.

Reference numeral 23 denotes a skin-applying device disposed in the surface plate 21, which is constituted by an airbag integrated over the width direction of the surface plate 21, and which is inflated by supply of high-pressure air. A plurality of push-up members arranged in the width direction of the surface plate 21 are made to protrude from the surface of the surface plate 21 at the same time. The skinning devices 23 are arranged in multiple rows at an appropriate pitch in the longitudinal direction of the surface plate 21.

The skinning device 23 shown in FIG. 6 includes a fixed frame 24 provided across the width of the surface plate 21 and a movable frame 25 which is vertically movably mounted on the fixed frame 24. A flexible hose 26 arranged in the fixed frame 24 and expanded by receiving a supply of high-pressure air; a push-up member 27 attached to the upper surface of the movable frame 25 and capable of protruding above the surface of the surface plate 21; It is composed of In addition, a plurality of push-up members 27 are provided over the width direction of the surface plate 21 at a pitch matching the lattice of the surface plate.

A skinning device 23 shown in FIG. 7 is provided across the width of the surface plate 21 and has an air chamber 28 to which high-pressure gas is supplied, and a rubber fixed over the upper surface of the air chamber 28. And the like, a movable member 30 placed on the flexible film 29, and attached to the movable member 30,
And a push-up member 31 which can protrude from the surface. Reference numeral 32 denotes a vertically moving guide of the movable member 30. The guide 32 may be attached to the air chamber 28 or to the surface plate 21.

The supply of high-pressure gas to the flexible hose 26 of the skinning device 23 of FIG. 6 and the air chamber 28 of the skinning device 23 of FIG. This is performed for each air chamber 28, and the expansion of the flexible hose 26 or the flexible film 29 causes the movable frame 25 or the movable member 30 to move upward, thereby protruding the push-up member 27 or 31 from the surface of the surface plate 21. Push up. At this time, the movable frame 25 is fixed to the fixed frame 2.
Along the side plate of 4, the movable member 30 is guided by the guide 32 via the push-up member 31, and moves up and down straight.

The construction of the present invention is as described above. Next, the operation of assembling the panel structural material will be described. First, the base panel 1 is carried and placed on the base 21 by a crane or the like. Next, the sub-panel 2 is hung by the crane into the panel holding portion 14 of the panel holding cart 11 waiting on the surface plate 21. Then, the jack 16 is operated to press the sub-panel 2 against the panel receiving member 17, and the sub-panel 2 is held vertically by being sandwiched between the panel receiving member 17 and the jack 16.

At this time, the base panel 1 and the sub panel 2
A block or the like is chewed between them so that a clearance is provided between them. Thereby, the panel holding cart 11
Holds the sub-panel 2 and becomes movable across the base panel 1. In addition, the movement of the panel holding cart 11 may be a self-propelled type driven by a power drive, or may be a towed type using a drive wire or a manual type.

Then, while holding the sub-panel 2 vertically, the panel holding cart 11 is moved to bring the sub-panel 2 to a predetermined position on the base panel 1. Therefore, the flexible hose 2 of the skinning device 23 near the sub-panel 2
6 is supplied with high-pressure air. By supplying the high-pressure air, the flexible hose 26 expands and expands in the fixed frame 24 to move the movable frame 25 upward.

Since the movable frame 25 is placed on the fixed frame 24, the movable frame 25 moves straight up along the side plate of the fixed frame 24,
The push-up member 27 is projected above the surface of the surface plate 21. The push-up member 27 protrudes from the surface of the surface plate 21 and pushes up the base panel 1 to bring the base panel 1 into close contact with the sub-panel 2. FIG. 8 shows this state, in which the imaginary lines in the figure are in close contact with each other, that is, the skin is in a textured state. Note that the reaction force of the pushing-up force of the skinning device 23 is due to the weight of the sub-panel 2 and the panel holding cart 11.

Similarly, in the example shown in FIG.
When high-pressure air is supplied to 8, the flexible film 29 expands and moves the movable member 30 upward. The lifting member 31 is guided by the vertical movement guide 32 by the upward movement of the movable member 30, and is projected straight on the surface of the surface plate 21, thereby pushing up the base panel 1 and bringing it into close contact with the sub panel 2.

The sub-panel 2 is welded to the base panel 1 by the skin-applying device 23 in this manner. When the welding is completed, the air of the skinning device 23 is released to return to the original state, and the jack 1 of the panel holding mechanism is also released.
6. Release the operating pressure of 6 and return it to the original state.
4 "is opened to return the panel holding cart 11 to a predetermined position, and the next operation is started.

Further, for the convenience of the process, welding may be performed after temporary fixing. After the temporary fixing, the skinning device 23
Then, the jack 16 of the panel holding mechanism is returned to the original state, the opening / closing member 14 "is opened, and the panel holding trolley 11 is returned to a predetermined position, and then welding is performed. The operation of holding the next sub-panel 2 is performed in parallel with the panel holding cart 11 returned to the position.

[0024]

As described above, according to the present invention, the subpanel is vertically held on the surface plate having the skinning device therein, and the subpanel is transported to a predetermined position by a movable panel holding cart. Push the base panel up and skin it,
Since welding is performed, unnecessary work of welding and removing the jig can be omitted. Also, no welding marks remain on the jig, and the quality is improved. further,
The skinning of the base panel and the sub panel can be performed quickly and reliably. And workability was improved in panel assembly, and work safety was improved.

[Brief description of the drawings]

FIG. 1 is a view showing a panel structural material.

FIG. 2 is a perspective view showing an example of using a panel structural material.

FIG. 3 is a perspective view showing a panel holding cart of the present invention.

FIG. 4 is a side view showing the panel holding section of the present invention.

FIG. 5 is a perspective view showing a surface plate of the present invention.

FIG. 6 is a schematic view showing a skin care device of the present invention.

FIG. 7 is a schematic view showing another example of the skinning apparatus of the present invention.

FIG. 8 is a schematic diagram showing a skin condition according to the present invention.

FIG. 9 is a diagram showing a flow of a conventional panel assembly.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Base panel 2 Sub-panel 3 Panel structural material 4 Ship bottom plate 5 Double ship plate 6 Fall-down jig 7 Tool 8 Mounting jig 11 Panel holding trolley 12 Frame 13 Wheel 14 Panel holding part 14 'fixing member 14 "opening / closing member DESCRIPTION OF SYMBOLS 15 Stop bolt 16 Jack 17 Panel receiving member 21 Surface plate 22 Truck traveling path 23 Skinning device 24 Fixed frame 25 Movable frame 26 Flexible hose 27 Push-up member 28 Air chamber 29 Flexible membrane 30 Moving member 31 Push-up member

Claims (5)

[Claims] 1. A sub-panel is provided with a base panel mounted on a surface plate having a built-in skinning device that can be freely protruded from the surface of the surface plate. A panel assembling method, wherein the panel is held vertically and transported to a predetermined upper position, and a skinning device is actuated at that position to push up the base panel, to skin and weld to the sub-panel. 2. The base panel and the sub panel are skinned,
2. The panel assembling method according to claim 1, wherein the panel is temporarily fixed, the holding of the sub panel is released, and the panel holding cart is moved and then welded. 3. A platen having a built-in skinning device at a predetermined pitch, which can be protruded from the surface of the platen, and is movable across a base panel mounted on the platen, and holds the sub-panel vertically. And a panel holding cart having a panel holding portion. 4. A panel holding portion comprising: a fixing member fixed to a trolley mount and provided with a jack; and an opening / closing member having a panel receiving member attached to the trolley mount and applied to the fixing member so as to be openable and closable. The panel assembling apparatus according to claim 3, wherein 5. A panel assembling apparatus according to claim 3, wherein the skin-applying device is constituted by an airbag integrated in the width direction of the surface plate.