JPH0978837A - Stocking method of unit floor and device thereof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To stack an assembled unit floor at the lowermost stage of a stockyard and fit pipes and shoot fire-resistant coating materials in the stockyard and eliminate the exchanging work of a pallet to a hanging tool on transferring the unit floor from the to the construction floor. SOLUTION: A unit floor 20 is assembled on a carrier 10 and a pallet 30 is fitted onto the unit floor so as to protrude both ends from the unit floor. Then the carrier is transferred and the unit floor with the pallet is raised by a certain distance while supporting the protruded ends of the pallet 30 by a lifter device 42. The vacant carrier 10 is retracted to the original position. On the other hand, required processings like fitting of pipes and shooting of fire-resistant coating materials are applied on the unit floor 20 and then, the unit floor with a pallet newly assembled is transferred to the lowermost stage of the lifter device 42.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a unit floor for assembling a unit floor for attaching to a building having a steel frame structure in an adjacent yard at a construction site, temporarily stocking it, and then carrying it out to the construction floor of the building. And a stock apparatus for use in the method.

[0002]

2. Description of the Related Art When building a building with a steel frame structure, a column made of shaped steel is erected on the site and connected vertically and horizontally with a large beam made of shaped steel to form a framework, while adjacent to the above construction site. Assemble a unit floor consisting of multiple beams and deck plates that connect them in the yard, and then stock fireproof coating on the underside of this unit floor by spraying various types of piping and equipment, and stocking it. There is known a method in which a crane is lifted by a crane to be carried to the construction floor of the above-mentioned frame, and the beam on the unit floor is connected to the beam.

As a method of stocking the above unit floor, a pallet is placed on a trolley, a plurality of beam members are arranged in parallel on this pallet, and adjacent beam members are connected by a deck plate to form a unit floor. After assembling the pallets, the unit floor with pallets is carried by a trolley to a stockyard and hoisted with a phase number crane.The units are stacked in order from the bottom up.When mounting on a building, the unit floor loaded in the stockyard is a tower crane. It is known that the method of hoisting from the top and carrying it to the construction floor. However, in this case, since it is a method of stacking in order from the bottom, it is not possible to spray fireproof coating material or install equipment piping in the stockyard, and since the unit floor is fixed on the pallet, it will be installed on the construction floor. When carrying it with a tower crane, it was necessary to replace the pallet with a hanging jig, which was troublesome.

Further, as a method of transporting a unit floor with pallets to a stockyard by a trolley and inserting the unit floor at the bottom of the stockyard, a plurality of spacers are interposed between the edges of the upper and lower pallets in the stockyard, and these spacers are used. It is known that the entire unit floor with pallets is pushed up with a jack, the above dolly is carried into the lower empty space formed by this pushing up, and a new spacer is inserted. Since a pair of mating male and female spacers are used, high precision is required at the stop position of the dolly, etc., and the large load is applied to the bottom pallet, which makes the pallet large and heavy, and the unit floor is fixed on the pallet. Therefore, when carrying it to the construction floor with a tower crane, replace the pallet with a hanging jig as above. There is a need, work is troublesome.

[0005]

SUMMARY OF THE INVENTION According to the present invention, a unit floor is assembled without using a conventional pallet which supports the unit floor from below, and a simple hanging pallet is fixed on the unit floor, and this new assembly is carried out. The unit floor can be inserted at the bottom of the stockyard, and equipment pipes and fireproof coating materials can be sprayed in the stockyard. A method and apparatus for stocking a unit floor that does not need to be replaced.

[0006]

A unit floor stocking method of the present invention is a method in which a plurality of beams are arranged in parallel on a bogie capable of running rails laid on the ground, and the beams are connected by a deck plate. Assemble the unit floor by installing a pallet long on the unit floor in a direction perpendicular to the beam, so that both ends of the pallet protrude from the unit floor, and then move the dolly to the unit floor stockyard. , Support the protruding end of the pallet and lift the unit floor with pallet by a certain distance,
While retreating based on the emptied trolley, the unit floor is subjected to desired processing such as refractory material coating and installation of piping equipment, and then the trolley is placed in the vacant space below the unit floor. It is characterized in that the newly assembled unit floor with a pallet is carried in, is lifted together with the first unit floor with a pallet by a predetermined distance, and then this operation is repeated.

According to the present invention, the newly assembled unit floors are sequentially stacked below the unit floors stacked in the stockyard, and the unit floors at the uppermost stage are sequentially carried out to the desired construction floor. be able to. Since the above unit floors are all supported by locking the protruding ends of the pallets fixed to the upper surface, a predetermined space is provided between the unit floors vertically adjacent to each other, and the unit floors located at the bottom are located. Further, desired processing can be easily performed, and since the above pallet only needs to support one unit floor, the weight of the pallet can be reduced. Further, since the above pallet is fixed on the upper surface of the unit floor, it can be lifted by using the pallet when hoisting with a crane for carrying out, unlike the conventional pallet fixed on the lower surface of the unit floor. No need to remove and replace with hanging pallet.

When assembling the unit floor on the bogie as described above, the beams are arranged parallel to the rails of the bogie, that is, parallel to the traveling direction of the bogie, and the deck plates are adjacent to each other on the left and right. It can be placed on the beam and welded so that there is a slight gap on the beam, which facilitates insertion into the lowest stage of the stockyard. It should be noted that it is preferable to provide a mark or a jig for positioning the beam on the carriage.

In the present invention, the unit floor is assembled not on the pallet but on the carriage, and then the pallet is fixed on the unit floor. The pallet may have a plate-like or rectangular frame-like shape that covers the unit floor.
Further, it may be constituted by two beams in front and rear with respect to the traveling direction of the trolley, for example, shaped steels such as H-shaped steel and I-shaped steel. In this case, it is advantageous in that the structure is simple and the weight is reduced. is there. The beam is connected to the beam through a gap between deck plates connected to the left and right sides of the beam at a portion facing the beam.

The unit floor stocking apparatus according to the present invention mounts a trolley for horizontally supporting the unit floor with pallets on the rails laid on the ground and transporting the unit floor in the direction of the beam, and Guide struts are respectively installed at a total of four positions on the left, right, front and rear so as to sandwich the pallet on the truck located at the end of the rail, and these guide struts are arranged at predetermined intervals in the vertical direction. A lifter device including a large number of claws that engage with the lower surface of the projecting end of the pallet on the unit floor was provided, and the unit floor with the pallet was pushed up by a predetermined distance and stopped at a predetermined position by driving the lifter device. It is characterized by

In the above stock device, the bogie is located in an area surrounded by four guide pillars standing upright, left, right, front and rear of the rail end, that is, outside the stockyard, and the unit floor is placed on the bogie. After assembling, this dolly is moved to the stockyard, the protruding end of the pallet fixed to the unit floor on the dolly is locked to the pawl of the lifter device, and the lifter device is driven. Is lifted through the pallet for a certain distance, which empties the trolley. When this empty trolley is retracted, a space is created under the unit floor, so work can be performed under the unit floor, and refractory material coating and piping equipment can be attached to the lower surface of the unit floor. And the like can be processed as necessary.

During the above processing, a new unit floor is assembled on the trolley and the pallet is mounted on the unit floor. Then, the newly assembled unit floor with pallet is carried by a trolley below the first unit floor supported by the lifter device,
In the same manner as described above, the lifter device is engaged with the claws and lifted together with the first unit floor with pallet by a predetermined distance. The unit floor is then stocked by repeatedly retracting the dolly, processing the lower surface of the unit floor, assembling the unit floor on the dolly, attaching the pallet, loading the unit floor with the dolly, and lifting the unit floor, and the unit floor at the top is the pallet. It is carried out to the desired construction floor via.

In the above-mentioned unit floor stocking device, the lifter device is provided with an endless chain which is long in the up-down direction and which rotates by being driven along a guide strut. The endless chain has a projecting end of a pallet fixed to the unit floor. A plurality of locking claws that come into contact with the lower surface and push up the pallet may be fixed at predetermined intervals.

Further, the above-mentioned lifter device has a plurality of fixed pawls attached at predetermined positions along the guide column at predetermined intervals in the vertical direction, and ascends and descends a predetermined distance along the row of the fixed pawls. It is configured to include a plurality of feed claws, and when the feed claws are raised, the pallet locked to the fixed claws and the pallet placed on the carriage are sequentially fed to the upper fixed claws at the same time. Good. In this case, by reciprocating a plurality of feed claws for a predetermined distance, the plurality of unit floors with pallets can be sequentially fed one step at a time and supported by fixed claws, and a fluid cylinder such as a hydraulic cylinder can be used as a drive source. Can be used.

In the above stock device, rails of the truck are laid in a straight line, and four guide columns are erected at both ends of the rail so that the truck can reciprocate between the guide columns at both ends. Of course, in this case there will be two stockyards and the number of unit floors that can be stocked will be doubled. In addition, the work time after being loaded into the stockyard is longer than the work time on the trolley, but by providing two stockyards,
Since the production efficiency in the stockyard is doubled, the waiting time of the truck is reduced and the work efficiency is increased.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS In FIG. 1, a pair of rails 1 are laid in a straight line in the left-right direction in the drawing, a truck 10 is placed in the middle of the rails 1, and a front side of the truck 10 (right side in the figure).
And four guide columns 4 on the rear side (left side of the figure)
1 is erected to form a stockyard 40. The carriage 10 has a rectangular base plate 11 which is long in a direction (width direction) perpendicular to the traveling direction (direction of the rail 1),
Wheels 13 are attached to the front and rear of a beam 12 which is fixed to the lower surface (see FIG. 2) and is long in the front-rear direction, and is driven to move back and forth on the rail 1 by driving. The end frames 14 are fixed to the upper surface of the base plate 11 along the front and rear edges, and the front and rear end frames 14 are regarded as large beams, and the unit floor 20 is assembled between them. There is.

As shown in the right end of FIG. 1, the unit floor 20 has a large number of beam beams 21 made of shaped steel arranged in parallel with the direction of the rail 1 and straddling two adjacent beam beams 21 to a deck plate 22a. , 22b, 22c, 22d, 22
e and 22f are placed in this order and the contact portion is welded. However, two adjacent deck plates 22a and 22b
, 22b ・ 22c, 22c ・ 22d, 22d ・ 2
A gap 23 is provided between 2e and between 22e and 22f (see FIGS. 3 and 4). In addition, a part of beam 2
In some cases, the beam 21 located at the lower right of FIG. 1, for example, is shortened and connected to the adjacent beam 21 in a T-shape.

In this embodiment, the unit floor 20 is assembled on the carriage 10 located between the left and right stockyards 40, 40 (see FIG. 1). And
When this assembly is completed, the beam 31 made of shaped steel is connected along the front and rear edges of the unit floor 20, and the pallet 30 is connected.
Is configured. That is, as shown in FIG. 5 and FIG.
A hook 24 is fixed to the front end of the upper surface of the beam 21 so as to project to the front of the beam 21, and the unit floor 20 is locked to the beam 5 on the construction floor by the hook 24. Then, a connecting fitting 25 is provided on the rear side of the hook 24 with a space therebetween so as to project upward. A hook 24 is fixed to the rear end of the upper surface of the beam 21 so as to project rearward, and a connecting metal fitting 25 is provided so as to project upward with a space in front of the hook 24.

On the other hand, as shown in FIGS. 3 and 4, the front beam 31 of the pallet 30 has a first beam at the left and right ends thereof.
The support plate 32a and the second support plate 32b are provided so as to project outward,
A locking pin 33 in the front-rear direction is fixed to the first support plate 32a and the second support plate 32b so as to project rearward, and a spacing plate 32c is fixed outward to a rearward protruding portion of the locking pin 33, The protrusion of the locking pin 33 and the second support plate 3
2b are connected by a reinforcing plate 34.

As shown in FIGS. 3 and 5, a front arm 35 consisting of a pair of left and right plates is provided below the front surface of the end portion of the front beam 31 via a base arm 35a, and a base arm 36a is provided below the rear surface. Rear arms 36 composed of a pair of left and right plates are provided so as to protrude from the front arms 35, respectively.
The rear arm 36 and the rear arm 36 are connected to the hook 24 and the connecting fitting 25 of the beam 21 by bolts. Note that 35b and 36b are reinforcing plates.

The intermediate portion of the front beam 31 excluding the left and right ends is connected to the beam 21 in the same manner as described above, as shown in FIGS. 3 and 6. However, the same parts are designated by the same reference numerals and the description thereof will be omitted. Further, the rear beam 31 that constitutes the pallet 30 is configured symmetrically with the front beam 31 and is connected to the beam 21 in the same manner as above. The pallet 30 is connected to the unit floor 20 by connecting them.
Attached to the left and right support plates 32a, 3 of the pallet 30
2b, the separating plate 32c, and the locking pin 33 project to the left and right of the unit floor 20.

In FIG. 1, the guide column 41 of the stock yard 40 is formed in a hollow shape by a combination of shaped steel and rods, and the protruding portion of the pallet 30 mounted on the unit floor 20 is locked in the hollow portion. Lifter device 42 for lifting the unit floor 20 (see FIG. 7)
Is accommodated. FIG. 7 is a view taken along the line DD of FIG.
Reference numeral 41a is a vertical shaped steel that constitutes the guide column 41, and four fixing claws 43 lock the lower surface of the locking pin 33 of the pallet 30 with the front end locking portion facing inward. It is mounted at equal intervals so that it can swing vertically.

As shown in FIG. 9, the fixing claw 43 has a support shaft 43a in the center, a first locking portion 43b for supporting the locking pin 33 of the pallet 30 on the right end upper surface, and a left end upper surface. Has a second locking portion 43c in contact with the stopper 45, and the second locking portion 43c has a chain 46c.
A weight 47 is connected to the roller 48, and the chain 46 is hung on the roller 48. Therefore, the weight 47 is fixed to the fixed claw 4.
3 is urged in the clockwise direction, and the rotation thereof is stopped by the stopper 45 to hold the fixed claw 43 horizontally, and only the counterclockwise rotation is possible from this horizontal state (state shown by the solid line in the figure). The support shaft 43a is the front side 2 of the three shaped steels 41a, 41b, 41c arranged in the front-rear direction in FIG.
It is supported by two front and rear bearing brackets 44 fixed to the shaped steels 41a and 41b.

In FIG. 7, a fixed long guide bar 49 and a vertically movable lifter bar 50 are provided on the back side of the row of the fixed claws 43. The guide bar 49 includes the above-mentioned three shaped steels 41a and 41b shown in FIG.
The unit floor 20 fixed to a middle shaped steel 41b in 41c via a plurality of supports 49a and placed at a predetermined position.
The upper pallet 30 is passed between the rear support plate 32b and the spacing plate 32c. In addition, the lifter bar 50 includes two shaped steels 41a, 41b, and 41c on the rear side of the three shaped steels 41a, 41b, and 41c.
The rollers 51, which are inserted between the front and rear surfaces of the lifter bar 50 and are inserted between the front and rear surfaces of the lifter bar 50, are fitted between the flanges of the two rear section steels 41b and 41c so as to roll. There is.

As shown in FIGS. 7 and 10, the lifter bar 50 has a fixed feed pawl 52 integrally formed at the lower end thereof, and swingable feed pawls 53 are provided at three positions above the fixed feed pawl 52.
The four support pawls 52 and 53 are supported by the support shaft 54 so that the interval between the four feed pawls 52 and 53 is equal to the interval between the fixed pawls 43.
The feed claws 52 and 53 are formed so as to protrude to the same extent as the first locking portion 43b of the fixed claw 43 in the same direction.
However, the swingable feed claw 53 has a short arm portion 53a extending to the opposite side, and the ends of the arm portion 53a are swingably connected to each other by a link 55.

A hydraulic cylinder 5 is swingably attached to the lower end of the lifter bar 50 via a bracket 56 at the end of the arm portion 53a of the swingable feed claw 53 at the lower end.
The piston rod 58 of No. 7 is connected, and when the piston rod 58 is retracted, the three rocking type feed claws 53 are simultaneously rotated counterclockwise from the horizontal position and inclined by a predetermined angle (see a chain line in FIG. 10). In FIG. 10, 59 is a stopper fixed to the lifter bar 50,
It contacts the upper surface of the arm portion 53a of the swinging feed claw 53 to prevent the swinging feed claw 53 from rotating clockwise from the horizontal position.

One end of a chain 61 (see FIG. 7) is connected to the upper end of the lifter bar 50 via a connecting metal fitting 60, and the chain 61 is wound around an upper fixed pulley 62 and a lower movable pulley 63. The other end of the chain 61 is fixed to a part 41d of the guide column 41. And
The movable pulley 63 is connected to a piston rod 65 of a hydraulic cylinder 64 installed below the movable pulley 63.

In the above structure, the central carriage 1 of FIG.
0, the unit floor 20 including the beam 21 and the deck plates 22a to 22f is assembled, and the beam 31 of the pallet 30 is placed on the front and rear edges of the unit floor 20 (see FIGS. 3 to 6). The front arm 3 of the beam 31 is attached to the hook 24 and the connecting fitting 25 on
The pallet 30 is attached to the unit floor 20 by connecting the 5 and the rear arm 36 with bolts. When this mounting is completed, the unit floor 20 with the pallet 30 is sent to the stockyard 40 on either side by the carriage 10 on the rail 1.

Truck 10 sent to stockyard 40
Stops inside the four guide columns 41. At this time, as shown in FIGS. 7 and 8, the downward extension lines of the guide bars 49 fixed to the guide columns 41 are located at both ends of the pallet 30, and the second support plate 32b and the separation plate 32c are located.
Pass between The lifter bar 50 is located at the lower end of the lifting stroke, and the fixed feed claw 52 at the lower end is located on the carriage 1.
Located below the floor G on which the vehicle travels 0, the second-stage feed claw 53 from the bottom is below the bottom fixed claw 43, and the third-stage feed claw 53 is from the second-stage fixed claw 43. And the fourth stage feed claw 53 are located below the third stage fixed claw 43, respectively. In FIG. 7, the unit floor 20 with the pallet 30 is supported by the lower two fixed claws 53 among the four fixed claws 53 that are fixed in position.

When the carriage 10 stops at a predetermined position as described above (see FIG. 7), the hydraulic cylinder 6 below the moving pulley 63 is moved.
4 operates, the piston rod 65 retracts, the lifter bar 50 is pulled up a predetermined distance via the chain 61, and the fixed feed claw 52 at the lower end of the lifter bar 50 reaches a height higher than the fixed claw 43 at the lowermost stage. Ascending, at that time, the fixing claw 43 causes the locking pin 33 of the pallet 30 on the carriage 10 to move.
To lift the unit floor 20 with the pallet 30. At the same time, the second-stage feed claw 53 from the bottom supports the locking pin 3 of the pallet 30 supported by the fixed claw 43 at the lowest stage.
3 of the pallet 30 supported by the unit floor 20 with the pallet 30 above the fixing claws 43 in the second stage, and the feed claws 53 in the third stage from the bottom are supported by the fixing claws 43 in the second stage from the bottom. The locking pin 33 is hooked and the unit floor 20 with the pallet 30 is lifted above the third stage fixing claw 43.

At this time, the respective locking pins 33 come into contact with the lower surfaces of the fixed claws 43, and the fixed claws 43 are weighted by the weight 47.
(Refer to FIG. 9) Bounce up against the biasing force of the locking pin 33.
When the fixed claw 43 is released from the locking pin 33 by reaching a predetermined height, these empty fixed claws 43 are returned to the original horizontal position by the urging force of the weight 47. Next, when the above-mentioned hydraulic cylinder 64 operates in reverse and the piston rod 65 projects, the lifter bar 50 descends, and the lowermost feed pawl 5
2 transfers the unit floor 20 with the pallet 30 on the feed claw 52 to the lowermost fixed claw 43, and returns to the original position when the descent is further continued.

With the lowering of the lifter bar 50, the feed claws 52 in the second to fourth stages from the bottom are simultaneously lowered, and
The feed claw 53 in the tier is the unit floor 20 with the pallet 30 supported by the second fixed claw 43, and the feed claw 52 in the third tier is the unit floor 20 with the pallet 30 supported by the third claw 43. Each of them is transferred to the fixed claws 43 and continues to descend. However, when the above transfer is completed, the hydraulic cylinder 57 attached near the lower end of the lifter bar 50 is actuated, and the piston rod 58 is retracted.
The second-stage to fourth-stage feed pawls 53 rotate counterclockwise and continue to descend in a rightwardly inclined state (see FIG. 10), so that the second-stage feed pawls 53 become the first-stage fixed pawls. The pallet 30 on which the third stage feed claw 53 has been transferred to the second stage fixed claw 43 without coming into contact with the locking pin 33 of the pallet 30 that has been transferred to the pallet 43. Of the hydraulic cylinder 57 is reversely operated and the piston rod 58 is projected to reach the lower end of its descending stroke without coming into contact with the locking pin 33 of the above-mentioned two stages. The feed claws 53 of the fourth to fourth steps are returned to the original horizontal position.

While the lifter bar 50 is being raised and lowered, the carriage 10
1 is returned to the center of FIG. 1, and the assembly of the next unit floor 20 is started on this trolley 10. Then, when the lifting movement of the lifter bar 50 is completed, the fixing claw 43 at the lowermost stage is
Desired processing such as coating of refractory material and installation of equipment piping is performed on the lower surface of the unit floor 20 with the pallet 30 transferred to the
When the assembling of the pallet is completed and the pallet 30 is mounted thereon, the newly assembled unit floor 20 with the pallet 30 becomes the unit floor 20 after the above processing.
Is loaded under. Hereafter, by repeating the above work,
The unit floor 20 with the pallet 30 which is supported by the fixed claws 43 at the uppermost stage is carried out to the construction floor by a tower crane (not shown).

In this embodiment, four guide columns 41 are erected in the stockyard, and the guide columns 41 accommodate a lifter device 42 including fixed pawls 43, feed pawls 52 and 53, hydraulic cylinders 57 and 64, and the like. Therefore, the above-mentioned guide column 41 can be easily transferred to another site and diverted. Further, since the pallet 30 suspends the unit floor 20 on the lower surface thereof, when the unit floor 20 is unloaded from the uppermost stage of the stock device, it is not necessary to remove the pallet as in the conventional case, and the pallet remains in the unloading trace. It does not remain. Further, since the pallet 30 is composed of the two beams 31 separated from each other, the occupied space can be reduced during storage.

[0035]

According to the invention described in claim 1, a plurality of small beams are arranged in parallel on a carriage which can run a rail laid on the ground, and the small beams are connected by a deck plate to form a unit floor. Assembling, install a pallet long on the unit floor in a direction perpendicular to the beam, so that both ends of the pallet project from the unit floor, then move the trolley to the stockyard on the unit floor, Lifting the unit floor with pallet by a certain distance by supporting the protruding end and retracting it based on the emptied trolley, while applying the desired processing to the above unit floor,
Next, the newly assembled unit floor with pallets on the trolley is carried into the empty space formed below the unit floor, and the unit floor with pallet is lifted by a predetermined distance, and then this operation is repeated. Since it is a unit floor stocking method, the newly assembled unit floors can be stacked in sequence under the unit floors stacked in the stockyard, and the unit floors at the top can be sequentially carried out to the desired construction floor. .

Since the above unit floors are all supported by locking the projecting ends of the pallets fixed to the upper surface, a predetermined space is provided between vertically adjacent unit floors, and the unit floors are located at the bottom. Desired processing can be easily performed on the unit floor to be used, and since the pallet described above only needs to support one unit floor, the weight of the pallet can be reduced. Further, since the above pallet is fixed on the upper surface of the unit floor, it can be lifted by using the pallet when hoisting with a crane for carrying out, unlike the conventional pallet fixed on the lower surface of the unit floor. There is no need to remove and replace with a hanging pallet, and there is no pallet left in the carry-out trace.

The invention described in claim 2 is the method for stocking a unit floor according to claim 1, wherein the unit floors are assembled on the carriage by arranging the beams in parallel with the rails of the carriage. Therefore, the newly assembled unit floor can be easily carried in by the trolley below the unit floors stacked in the stockyard.

The invention described in claim 3 is the method of stocking a unit floor according to claim 2, wherein the pallet is composed of two beams in front of and behind the traveling direction of the carriage,
Since the part of the lower surface facing the beam is connected to the beam through the gap between the deck plates connected to the left and right of the beam, the pallet is lightened and the space occupied when storing the pallet is reduced. Can be narrowed.

The invention described in claim 4 is a stocking device for stocking the unit floor with pallets according to claim 1, which horizontally supports the unit floor with pallets on rails laid on the ground. Then, trolleys for carrying in the direction of the beam are placed, and guide struts are respectively installed at a total of four positions on the left, right, front and rear of the rail end, and erected so as to sandwich the pallet on the trolley located at the rail end. Then, these guide columns are provided with a lifter device that is arranged in the vertical direction at a predetermined interval and includes a plurality of claws that engage with the lower surface of the protruding end of the pallet of the unit floor with the pallet, and by driving the lifter device, Since it is a stock device for the unit floor, which is characterized by pushing up the unit floor with pallets by a predetermined distance.
It can be directly used for carrying out the invention described in claim 1, and has a compact structure as a whole, and the above-mentioned guide column can be transferred to another site and easily diverted.

The invention as set forth in claim 5 is the stock device for a unit floor according to claim 4, wherein a plurality of lifter devices are attached at predetermined positions along the guide columns at predetermined vertical intervals. A fixed claw and a plurality of feed claws that move up and down a predetermined distance along the row of the fixed claws, and are placed on a pallet and a carriage that are locked to the fixed claws by the rise of the feed claws. Since the pallets are configured to be sequentially fed to the upper fixed claws at the same time, by reciprocating a plurality of feeding claws for a predetermined distance, a plurality of pallet-equipped unit floors are sequentially fed one step at a time. Can be supported by fixed nails,
A fluid cylinder can be used as a driving source, and the structure is simplified.

According to a sixth aspect of the invention, in the stock device for a unit floor according to the fourth or fifth aspect, rails are laid in a straight line, and four guide columns are erected at both ends of the rail. However, since the carriage can be reciprocated between the guide columns at both ends, the stockyard has 2
The number of unit floors that can be stocked is doubled, and the waiting time of the tower crane is reduced when unloading the unit floor to the construction floor, and the unloading work becomes efficient.

[Brief description of drawings]

FIG. 1 is a plan view showing an embodiment of the present invention.

FIG. 2 is a cross-sectional view of a unit floor placed on a trolley.

FIG. 3 is a plan view of a part of a unit floor with a pallet.

FIG. 4 is a sectional view taken along line AA of FIG. 3;

FIG. 5 is a sectional view taken along line BB of FIG. 3;

6 is a cross-sectional view taken along the line CC of FIG.

FIG. 7 is a view taken along the line DD of FIG.

FIG. 8 is a plan view of a pallet locking portion.

FIG. 9 is a side view of a fixed claw.

FIG. 10 is a side view of a lifter bar having a feed claw.

[Explanation of symbols]

1: Rail 10: Bogie 20: Unit floor 21: Beams 22a to 22f: Deck plate 23: Gap 24: Hook 25: Coupling metal 30: Pallet 31: Beam 32a: First support plate 32b: Second support plate 33: Locking pin 35: Front arm 36: Rear arm 40: Stock yard 41: Guide column 42: Lifter device 43: Fixed claw 45, 59: Stopper 49: Guide bar 50: Lifter bar 52, 53: Feed claw 57, 64 : Hydraulic cylinder

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Koji Kida 1-25-1 Nishishinjuku, Shinjuku-ku, Tokyo Within Taisei Corporation (72) Inventor Mamoru Shindo 1-25-1 Nishishinjuku, Shinjuku-ku, Tokyo (72) Inventor Masayuki Takenaka 4-73, Higashiji-shi, Hyogo Prefecture Higashi-no-Su, 4-73 Higashi-Nobu, Hyogo Prefecture Ryoji Ueda 4-73, Higashi-shi, Hyogo Pref. In the center (72) Inventor Ren Aki, 4-73, Higashi-no-shi, Hyogo-ken, 4-73 Higashi-nobu-Sei, Japan Technical Center (72) Inventor, Ryoichi Takesako 4-73, Higashi-shi, Hyogo-ken

Claims (6)

[Claims] 1. A plurality of small beams are arranged in parallel on a bogie capable of traveling on rails laid on the ground, and the small beams are connected by a deck plate to assemble a unit floor. Install a pallet long in the direction perpendicular to the beam so that both ends of the pallet project from the unit floor, then move the above dolly to the stockyard of the unit floor, and support the projecting end of the pallet to support the unit floor with pallets. Is moved by a certain distance and moved backwards based on the emptied trolley, while the above unit floor is subjected to the desired processing, and then a new space is created on the trolley below the unit floor. Carry in the palletized unit floor, lift it up with the first palletized unit floor for a specified distance, and repeat this operation. Stocking method for the unit floor. 2. The unit floor stocking method according to claim 1, wherein the unit floors are assembled on the carriage by arranging the crossbeams in parallel with the rails of the carriage. 3. The unit floor stocking method according to claim 2, wherein the pallet is composed of two beams, front and rear, with respect to the traveling direction of the carriage, and the portion of the lower surface facing the beam is left and right of the beam. A method of stocking the unit floor that is connected to the crossbeams through the gap between the deck plates connected to. 4. A stock device for stocking the unit floor with a pallet according to claim 1.
A trolley for horizontally supporting the unit floor with pallets and carrying it in the direction of the beam is mounted on a rail laid on the ground, and guide struts are respectively provided at a total of four positions on the left and right and front and rear of the rail end. A large number of units that stand upright so as to sandwich the pallet on the truck located at the rail end, and are arranged on these guide columns at predetermined intervals in the vertical direction and that engage with the lower surface of the projecting end of the pallet of the unit floor with pallets. A stock device for a unit floor, wherein a lifter device including the claws is provided, and the unit floor is pushed up by a predetermined distance by driving the lifter device. 5. The unit floor stocking device according to claim 4, wherein the lifter device has a plurality of fixed pawls mounted at predetermined positions along the guide column at predetermined vertical intervals, and a plurality of the fixed pawls. A plurality of feed claws that move up and down a predetermined distance along a row, and a pallet that is locked by the fixed claws and a pallet that is placed on a dolly by the rising of the feed claws are respectively fixed to the upper fixed claws. A stock device on the unit floor configured to feed all at once. 6. The stock device for a unit floor according to claim 4 or 5, wherein rails are laid in a straight line, and four guide columns are erected at both ends of the rail, and between the guide columns at both ends. A stock device on the unit floor that allows bogies to move back and forth.