JPH06171865A - Lift device for construction - Google Patents

Abstract

PURPOSE:To provide an economical lift device for construction which can transport a large quantity of construction materials to respective layers of decks safely and quickly at a low cost. CONSTITUTION:This lift device for construction of a multistory building is provided with lift rails 18, 19 laid in the longitudinal direction from the entrance to the interior on the floor of the lift 1, a fork lift 21 moving in the longitudinal direction along both rails extending over the lift and decks, and materials transporting pallets with wheels which are respectively arranged on respective floor decks 6 and shuttle-likely transported between the respective floor decks 6,6.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a construction lift device used for material transportation at a construction site such as a building.

[0002]

2. Description of the Related Art At a construction site of a high-rise building or the like, since a great deal of labor is required to convey materials from the ground to the site of each floor (hereinafter referred to as a deck), various automations have been carried out. FIG. 5 shows an example of conventional automation of material transportation of this kind. 1 is a lift cage (hereinafter referred to as a lift cage) that is lifted and lowered by a winch hoisting rope 4 in a vertical space 3 that vertically penetrates a building 2 under construction. 5) Lift 1 floor,
6 is one deck of the building 2 under construction. Each deck 6
Two sets of wheels 7 and 8 orthogonal to each other for vertical and horizontal travel, and a forklift 10 equipped with a lifting fork 9 are arranged on the upper side, and a lift 1 lifts a pallet 11 containing materials from the ground to the construction deck. , The forklift 10 of the same deck goes vertically into the lift 1, lifts the pallet 11 with the lifting fork 9, and returns it to the deck 6 of the building 2,
Here, the longitudinal wheel 7 is switched to the transverse wheel 8 to convey the traveling pallet 11 to a predetermined position.

[0003]

However, according to this kind of material conveying means, for example, the standard pallet 1 is used.
1, the load weight is about 1.3t, and the normal forklift 10 is about 0.8t.
The forklift 10 moves into the lift 1 and the pallet 1
Due to the fact that 1 is taken out, the lift 1 is required to have a loading capacity of 2 t or more. By the way, since the construction lift generally used is usually less than 1.5 tons, in this case, it cannot be used, so it is necessary to separately order it. Further, there is a problem that equipment costs increase due to the fact that traverse wheels are required for all of the forklifts 10 arranged on the construction deck one by one or two.

The present invention has been proposed in view of the above circumstances, and an object thereof is to provide an economical construction lift device for safely and promptly transferring a large amount of material to each deck at low cost. .

[0005]

To this end, the present invention provides
A lift rail that is laid in the front-rear direction from the entrance to the back on the floor of a construction lift for building high-rise buildings, a forklift that moves in the front-rear direction across both the lift and the deck along the rail, and The present invention is characterized in that each of the decks is provided with a pallet for material transportation which is arranged on each deck and is transported between the respective decks by the forklift in a shuttle manner.

[0006]

With this structure, the lift stops at the upper deck, and the pallet containing material placed at a fixed position near the lift entrance on the deck is lifted by the forklift in the lift along the lift rail to the deck. After being reciprocated over, the lift is lifted to the desired deck, the lift is moved to the desired deck, the pallet is carried to the desired deck, and then returned to the lift. When sending a material pallet from the upper deck to the ground, perform the same operation in the reverse route.

The forklift provided in such a lift need only move along the lift rail provided on the lift floor, so that a steering device is unnecessary, a small traveling wheel and drive system are required, and the weight is significantly reduced. This allows the normal construction lift to be used, saving money.

Further, since the pallets between the lift and each deck are exclusively moved by the lift forks in the lift, the forklifts on the ground and each layer deck are dedicated to the pallet transportation on each layer deck so that the pallets can be operated efficiently. become. As a result, the operation of each forklift truck is simplified and automatic control is facilitated.

[0009]

1 is a plan view of the present invention, FIG. 2 is a front view taken along the line II-II of FIG. 1, and FIG. 3 is a side view taken along the line III-III of FIG. 4 is an enlarged view showing the front end portion of the lift shown in FIG.

In the above drawing, the same reference numerals as those in FIG. 5 indicate the same members as those in the same drawing. First, in FIGS. 1 and 2, reference numeral 1 indicates a vertical space 3 penetrating a building 2 to be constructed. A lift that cantilevers up and down through the hoisting rope 4, the guide rail 12, the roller 13, etc., 5 is the floor of the lift 1, 6
Are the decks of each layer of the building.

Reference numeral 15 designates a tread plate pivotally supported by a shaft 16 at the front end of the lift floor 5, and as shown in FIG. 4, a tread plate provided so as to rise and fall by a fluid pressure cylinder 17, and 18 and 19 respectively indicate the center of the tread plate 15 of the lift. Line, a row of lift rails installed from the entrance to the back along the center line of the lift floor 5,
20 is a stopper provided near the front end of the lift rail 18 and the rear end of the lift rail 19, and 21 is a lift upper rail 1.
It is a forklift that is vertically movable from the lift floor 5 to the deck 6 along the lines 8 and 19.

The forklift 21 includes a hydraulic motor 2
2, a vertical body portion 26 including a drive wheel 23, a fork lifting cylinder 24, and a guide roller 25, and the same body portion 2
A horizontal fork portion 29 is supported at the end of 6 by a roller 27 so as to be able to move up and down, and is raised and lowered by a drive chain 28 of a fork lifting cylinder 24. 30 is a control panel on the lift 1, 31 is a terminal box on the lift 1 provided on the support column 32, 3
3 is a terminal box on the machine body part 26, and 34 is a connection cable.

Next, referring to FIGS. 3 to 4, reference numerals 35 and 36 are foldable in a pair of forks 29a, 29a, and the intermediate portions thereof are pivotally supported by pins 37, and the rear ends thereof are respectively in the body portion 2.
6 near the lower end of 6 and the rear end of the fork 29a.
A pair of cross arms pivotally mounted at 9 and each having rollers 40 and 41 at the lower end, and 11 are material storage pallets supported on a fork 29a.

In such a structure, the forklift 21 is driven by the motor 22 so that the drive wheels 23 and the tip rollers 40 of the cross arms 35 come into contact with the surfaces of the floors 5, 15 and 6 and along the lift rails 18 and 19. The guide rollers 25 are moved and guided by the rolling of four guide rollers 25 provided so as to be engaged with both side surfaces of the lift rails 18 and 19 in a row, and the guide rollers 25 are stopped at the front and rear ends. The motor 22 is stopped at the position where it hits.

In the lift 1, the forklift 21 is retracted to the solid line position on the lift floor 5 in FIG.
Is raised up and down using the hoisting rope 4 or other drive system in a standing position as indicated by the broken line position 15 ', stopped at the level on the ground or each layer deck 6, and the tread plate 15 is extended by the extension of the fluid pressure cylinder 17 to the solid line position. Horizontally on the forklift 21
Is forwarded and fed out, the fork 29a is inserted under the material pallet 11 and stopped, the fork portion 29 is lifted up to a predetermined height, and the forklift 21 is retracted to the rear end position on the lift floor 5 and pulled. It is used by operating it as if putting it in, raising and lowering it to another deck, and sending it to another deck by the same operation.

[0016]

According to such a device, the equipment provided on the lift 1 is a forklift 21 having only a vertical wheel without a steering device or a vehicle body part, and the lift rail 1 provided on the lift floor 5.
Since only 8 and 19 and the stopper 20 are provided, the structure can be remarkably simplified, the equipment weight can be remarkably reduced, and a normal-sized construction lift can be used.

Further, since the material pallets for loading and unloading between each deck or between the ground and the lift are all carried out by the forklift attached to the lift, the forklift for transporting the materials on the ground and each deck can be efficiently operated only on each floor deck. Become. At the same time, both the forklift attached to the lift and the forklift on each deck have the advantage that the operation cycle of pallet transportation is simplified and transportation is facilitated, and as a result, automation of transportation control is facilitated.

The present invention is not limited to the above-described embodiments, but the lift itself may be omitted from the tread plate, another lifting mechanism may be used, or the construction of the forklift itself, rails, stoppers, and guides. Roller shape,
Any combination such as a combination can be implemented by freely changing the design within the scope of the present invention.

In short, according to the present invention, both a lift rail laid on the floor of a construction lift for building high-rise buildings such as a building in the front-rear direction from the entrance to the back, and a lift and a deck along the rail. It is equipped with a forklift that moves in the front-back direction and a pallet for material transportation that is arranged on each deck and is transported between the decks by a shuttle as described above. The present invention is extremely useful in the industry because it provides an economical construction lift device that can be quickly and quickly transported to each deck.

[Brief description of drawings]

FIG. 1 is a plan view showing a construction lift according to an embodiment of the present invention.

FIG. 2 is a front view taken along the line II-II of FIG.

FIG. 3 is a side view taken along the line III-III in FIG.

FIG. 4 is a partially enlarged view showing a front end portion of the lift shown in FIG.

FIG. 5 is a side view showing a conventional construction lift device.

[Explanation of symbols]

 1 Lift 2 Building under construction 3 Vertical space 4 Winding rope 5 Lift floor 6 Deck 11 Material transport pallet 12 Guide rail 13 Roller 15 Tread 17 Fluid pressure cylinder 18, 19 Lift rail 20 Stopper 21 Forklift 22 Hydraulic motor 23 Driving wheel 24 Fork Lifting Cylinder 25 Guide Roller 26 Machine Body 27 Roller 28 Drive Chain 29 Fork 29a Fork 30 Control Panel 31 Terminal Box 32 Posts 33 Terminal Box 34 Cable 35,36 Cross Arm 37,38,39 Pin 40,41 Roller

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Nagisa Nagisa 4-6-22 Kannon Shinmachi, Nishi-ku, Hiroshima City, Hiroshima Prefecture Mitsubishi Heavy Industries, Ltd. Hiroshima Research Institute (72) Inventor Toshio Nakamura 2 Kandaji-cho, Chiyoda-ku, Tokyo -3 Obayashi Corporation Tokyo Head Office

Claims (1)

[Claims] 1. A lift rail laid in the front-rear direction from the entrance to the back on the floor of a construction lift for building high-rise buildings and moving in the front-rear direction along both the lift and the deck along the rail. And a forklift that is arranged on each of the decks and is transported by the forklift between the decks in a shuttle manner.