JP3325256B2 - Ladle transport device and ladle transport vehicle equipped with it - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ladle transport device for attaching a ladle to a carrier of a vehicle such as a truck or a freight car, and a ladle transport vehicle having the ladle transport device.

[0002]

2. Description of the Related Art When performing aluminum casting or aluminum die casting, it is usually transported to a site in the form of an ingot, and is used after being remelted on the site. However, despite the fact that the aluminum at the time of refining has been melted, it is not preferable from the viewpoint of production efficiency and production cost to solidify it into an ingot and melt it again at the casting site.

[0003] Attempts have been made to transport the molten metal produced at the refining site to the casting site as it is (Japanese Patent No. 1739890). This method uses a ladle as shown in FIG.
The two legs (60) provided at the bottom of (59) are fixed by a U-shaped guide (52) arranged on the cargo bed (51) of the vehicle, and one end of the turnbuckle (53) is taken with a ladle ( 59), the turnbuckle (53) was fixed to the loading platform (51), and the ladle (59) was pulled and fixed to the loading platform (51) from all sides.

It is difficult to lift a heavy ladle (59) with a forklift so that the leg (60) at the bottom of the ladle (59) enters between the U-shaped guides (52) of the bed (51). It has been pointed out that it requires a great deal of skill, and it takes a long time to attach and detach the turnbuckle (53), resulting in poor workability. In addition, it has been pointed out that fixing by the turnbuckle (53) tends to vary in tightening method, and it is not always safe to transport a high-temperature molten metal as it is. Especially when the vehicle falls, an impact load is directly applied to the turnbuckle (53), and the turnbuckle (53)
I could not deny the possibility that it would break or come off.

[0005]

The problem to be solved by the present invention is as follows.
When the refined aluminum is transported to the casting site in a molten state, its safety is sufficiently ensured, and at the same time, the heavy ladle can be easily inserted and removed.

[0006]

[Claim 1] Claim 1 is a first embodiment of a ladle conveying device (1) (see FIGS. 1 to 4), wherein (a) a ladle (9).
An opening (3e) for inserting and removing a ladle is formed, and a ladle storage section (3a) attached to a carrier (8a) of a vehicle (8) and both open ends of the ladle storage section (3a) ( The ladle surrounding part (3) consisting of the opening and closing doors (3b1) and (3b2) hinged to 3i), and the free ends (3j1) and (3j2) of (b) the opening and closing doors (3b1) and (3b2) (C) a ladle (9) stored in the ladle surrounding portion (3) for fixing the ladle (9) to the carrier (8a) of the vehicle (8). Is attached to at least one of the ladle storage section (3a) and the bed (8a) of the vehicle (8), and the other end is connected to the ladle (9) disposed in the ladle surrounding section (3). It is characterized by comprising connecting tools (10a) (10b) to be connected.

The second aspect of the present invention relates to a second ladle transfer device.
In the embodiment (see FIG. 5), (a) an opening (3e) for inserting and removing a ladle (9) is formed, and a ladle storage part (8) is attached to a bed (8a) of a vehicle (8). 3a) and one open end of the ladle storage section (3a)
Ladle surrounding part (3) consisting of an opening and closing door (3b) hinged to (3i1)
(B) a detachable part (3k) for detaching the free end (3j) of the opening / closing door (3b) and the other open end (3i2) of the ladle storage part (3a); and (c) surrounding the ladle. The ladle (9) stored in the section (3) is placed on the bed of the vehicle (8).
(8a), one end is attached to at least one of the ladle storage portion (3a) or the bed (8a) of the vehicle (8), and the other end is a ladle surrounding portion ( And 3) connecting tools (10a) and (10b) connected to the ladle (9) disposed in the inside.

According to this, the ladle conveying device (1) is provided with a ladle (9).
Can be directly fixed to the loading platform (8a) of the vehicle (8) and transported.Therefore, it is necessary to put the refined aluminum into the ladle (9) in the molten state, transport it to the casting site, and use it as it is. Can be. Therefore, it is not necessary to melt the ingot again at the casting site after transportation, which saves labor and improves production efficiency and also saves the cost of melting.

The attachment and detachment of the ladle (9) is performed by
(3) and the couplings (10a) (10b) are performed, and are not fixed with something like a conventional turnbuckle (53),
Not only is attachment and detachment easy, but also secure fixation becomes possible.

Claim 3 relates to a guide (5) for a ladle (9) of the ladle transport device (1) according to claim 1 or 2, wherein "one end of each of the guides is a ladle storage portion (3a). ) Open end (3i) or (3i
1) (3i2), and two guides (5) are arranged so that the distance increases as approaching the other end. "

According to this, the open end (3) of the ladle storage portion (3a) is
If the heavy ladle (9) is pushed along the guide (5) connected to (i) or (3i1) (3i2), the ladle (9) is naturally inserted into the ladle storage part (3a). I can do things.

The fourth aspect of the present invention relates to a connector (10) on the door (3b) side.
Regarding a), refer to `` Opening door (3b1) (3b2) or (3b) side connector (10
a) is a fixed plate that is attached to the carrier (8a) so that it can be turned upside down
(6) and a fastener (11) for fastening the ladle (9) and the fixing plate (6) disposed in the ladle surrounding portion (3). ''
It is characterized by things.

According to this, the doors (3b1), (3b2) or (3
b) When the connecting tool (10a) on the side is attached to the ladle (9), the door (3
b1) (3b2) or (3b) from above the fixing plate (6) will be attached so that it is overlapped and will be double locked,
Even if the attachment / detachment part (3k) on the door (3b1) (3b2) or (3b) side is loosened, the connector (10a) on the door (3b1) (3b2) or (3b) side does not come off. The ladle (9) does not separate from the ladle transport device (1), and high safety is ensured.

[0014] Claim 5 relates to a vehicle (8) to which a ladle transport device (1) is attached. "The ladle transport device (1) according to any one of claims 1 to 3 is a truck-like device. Cargo bed of vehicle (8)
(8a). "

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A ladle conveying device (1) of the present invention will be described with reference to an embodiment. The ladle transport device (1) includes a base plate (2) fixed to a loading platform (8a) of a vehicle (8) such as a truck or a freight car (not shown), and a ladle installed on the base plate (2). It is composed of an enclosing part (3), a guide (5), and connectors (10a) (10b) arranged on the back and flank of the ladle (9).

The base plate (2) has a square shape, on which a ladle surrounding portion (3) for storing and holding the ladle (9) is attached. The ladle surrounding part (3) is a semi-circular ladle storage part (3a) molded to match the outer shape of the ladle (9), and reinforcement attached to the outer surface of the ladle storage part (3a) in place Triangular ribs (4) and two quarter-arc doors (3b1) (3b2)
One end of the opening / closing door (3b1) (3b2) is hinged to each end (3i) of the ladle storage section (3a) by each of the two hinges (3c). It is formed so that it becomes.

Of the ladle surrounding part (3), standing on the base plate (2) is the ladle storage part (3a), and the opening / closing doors (3b1) and (3b2) are the base plate (2). As described above, it is hinged to the open end (3i) of the ladle storage portion (3a) via the hinge (3c) in a state of being floated. At the middle of the back of the ladle storage section (3a), the back side connection tool (10b)
Is attached. The structure of the connector (10b) will be described later. The upper end positions of the ladle storage section (3a) and the opening / closing doors (3b1) (3b2) match, and the height is preferably higher to stably hold the ladle (9), but will be described later. The pouring nozzle (9b) of the ladle (9) is lower than the position where the pouring nozzle (9b) is attached to the pot body (9a). In addition, the connecting tool is provided at a total of two places on the back and abdomen of the ladle (9). However, the present invention is not limited to this, and may be provided at one place or at three or more places. In the case of a single location, it is preferable to provide it on the front side in order to hold the doors (3b1) and (3b2) from above.

Thus, the two doors (3b1) and (3b2) are hinged (3
c), but the free ends of the doors (3b1) and (3b2) (3
j1) A detachable part (3k) for attaching and detaching (3j2) is attached to one free end (3j1) and a hook provided at the other end (3j2).
(3f).

The structure of the detachable part (3k) may be any structure as long as the free ends (3j1) and (3j2) of the doors (3b1) and (3b2) can be detached from each other. In this embodiment, the following mechanism is used. Is adopted. That is, a housing (21) is formed by bending a sheet metal into a gate shape, a lever (22) is pivotally attached to the end of the housing (21) so that the housing can be turned upside down, and a compression coil spring (23) is disposed in the housing (21). Slide bar (2
5) is engaged with the compression coil spring (23) through a through hole formed in the top of the housing (21).

A roller (26) is attached to the end of the lever (22) on the side of the compression coil spring (23). When the lever (22) is depressed, the roller (26) is moved to the slide bar (25). The slide bar (25) is pulled into the housing (21) by the action of the compression coil spring (23), and the hook (3f) engaged with the engagement ring (24) is moved by the compression coil spring (23). It is pulled and fixed by the spring force of 23). Conversely, when the lever (22) is raised, the roller (26) pushes the end of the slide bar (25) against the compression coil spring (23) and pushes the slide bar (25) outward from the housing (21). And the hook (3f) engaged with the engagement ring (24) is released.

Although this part is also used in the couplings (10a) (10b), the couplings are distinguished from the couplings (10a) (10b).
The symbols used in (10a) and (10b) have alphabetical (a) appended to the reference numerals.

The guide (5) is a long member having an L-shaped cross section, and two guides (5) are disposed on the base plate (2) in a substantially C-shape. ) Or (3i1) (3i2) to the corner of the base plate (2). Therefore two guides
(5) The distance between the side of the base plate (2) and the ladle storage
The distance gradually decreases to the length of the diameter of (3a).
Since the height of the guide (5) is lower than the lower ends of the doors (3b1) and (3b2), even when the doors (3b1) and (3b2) open and close,
(5) Because it passes above, it will not be an obstacle for opening and closing. This point is the same in the case of the opening / closing door (3b) of the second embodiment.

A coupling (10a) connected to the front side of the ladle (9)
The hinge (6) on one end of the base plate (2) between the two guides (5).
b) and is laid down on the base plate (2) by hinges (6b) or installed at the free end of the fixed plate (6) standing up along the ladle enclosure (3) ing. still,
In this embodiment, the fixing by the fixing plate (6) is performed at only one place. However, even if the fixing plate (6) is disposed at an intermediate position behind the ladle storage part (3a) opposed to the present place, or at another place. Also, the number is not limited.

In this embodiment, since the connecting member (10b) which engages with the hook (9d) at the intermediate position on the back side of the ladle storage portion (3a) has the same structure, the same structure is used. These are shown according to. 6 and 7, the hooks (9c) and (9d) are shown rotated by 90 ° with respect to the pot body (9a) to show the positional relationship.

Next, the ladle (9) to be stored in the ladle carrier (1) of the present embodiment will be described. The pot body (9a) of the ladle (9) of this embodiment has a bottomed cylindrical shape, and a pouring nozzle (9b) protrudes obliquely upward from the side surface thereof. Hooks (9c) and (9d) are attached at symmetrical positions on the front side and the back side. The outer diameter of the pot body (9a) is slightly smaller than the inner diameter of the ladle enclosure (3) and is stored in the ladle enclosure (3). A hot water supply section (9f) having a cylindrical shape and a hot water supply port (9g) at the center is continuously protruded from the upper surface of the pot body (9a), and a lid for closing the hot water supply port (9g) is provided on the upper surface. (9e) is attached to be able to open and close. A lid (9h) is attached to the upper surface of the pouring nozzle (9b) so as to be openable and closable so that the molten metal can be poured into the casting facility.

In FIGS. 6 and 7, (12) is a ladle iron skin, on the inside of which a heat insulating material (13) is attached, and further on the inside thereof, a refractory lining material (14) is thickly applied. ing.

Two legs (9i) are arranged in parallel on the bottom of the pot body (9a), and the above-mentioned fixing plate (6) is laid on the base plate (2). In this case, the height of the legs (9i) is laid on the base plate (2) so that the bottom of the pot body (9a) can pass over the fixing plate (6) without contact. It is higher than the height of the fixing plate (6).

The ladle conveying device (1) is installed and used on a vehicle (8) such as a truck or a freight car. Here, a typical example of the vehicle (8) is a truck. It will be described as. In the embodiment shown in the figure, the ladle conveying device is used.
One or more (1) units (1) are installed in a row on the bed (8a) of the truck body (8b). It may be changed depending on the size of the truck bed (8a) or the limit of the truck loading weight, and there is no limitation on the number of installed trucks. The peripheral edge of the base plate (2) is fixed to the carrier (8a) with bolts (2a).

The truck is not particularly limited, and a commercially available truck can be used, and the ladle transfer device (1) depends on the shape and size of the loading platform (8a) or the loading weight.
Will be determined.

Next, a method of storing the ladle (9) in the ladle carrier (1) will be described. Remove the lid (9e) of the ladle (9) to open the hot water supply port, insert the lance (15) into the ladle (9), and blow in the hot water gutter (16) while blowing in inert gas such as nitrogen or argon gas. ) And pour the molten metal into the ladle (9). Ladle (9)
Since the inside is filled with the inert gas, the oxidation of the injected molten metal is suppressed to some extent. When the supply of the molten metal is completed, the lid (9e) is closed, and the lid (9e) is fixed with a fastener. When the hot water supply is completed in this way, a fork of a forklift (not shown) is inserted into the leg (9i) of the ladle (9), and then lifted and transported to the vehicle (8).

On the other hand, on the vehicle (8) side, the opening / closing door (3b) is rotated to the outside of the guide (5) and is open, and the fixed plate (6) is also mounted on the base plate (2). And the preparation for receiving the ladle (9) in the ladle surrounding section (3) has been completed.

After the ladle (9) is slightly lifted from the base plate (2) and brought between the guides (5) in the vehicle (8) in such a state, the ladle (9) is removed from the ladle storage section. Move to (3a). At this time, the bottom of the ladle (9) passes over the fixed plate (6) lying on the base plate (2) without touching it,
It is pushed into (3a). During this time, the two guides (5) are connected to the open end (3i) or (3i1) (3i2).
(9) moves smoothly into the ladle enclosure (3) along the guide (5).

When the ladle (9) is stored and placed at a predetermined position in the ladle surrounding portion (3) in this way, the fork is pulled out from the leg portion (9i), and subsequently the door (3b1) (3b2) And close one door (3b
Hook the ring (24a) of the attachment / detachment part (3k) attached to the tip of 1) on the hook (3f) attached to the other opening / closing door (3b2), and tilt the lever (22a) to connect them together. Pot (9)
Is locked so that it does not come off from the ladle enclosure (3). Thus, the ladle (9) is held by the ladle surrounding portion (3).

Subsequently, the fixing plate (6) is raised with the hinge (6b) as an axis, and the front hook attached to the ladle (9) is raised.
(9c), a coupling (10a) attached to the tip of the fixing plate (6)
Hook the ring (24) to connect them, and then lower the lever (22) to fix them together. Similarly, hook the ring (22) of the connector (10b) arranged on the back of the ladle storage unit (3a) on the hook (9d) attached to the back of the ladle (9), and connect it. ,
In the same manner as described above, the lever (22) is tilted to fix them. In this manner, the lower part of the ladle (9) is surrounded by the ladle surrounding part (3), and the front side and the rear side of the ladle (9) are connected to the fixing plate (6). The ladle (9) is fixed from the front and rear by the (10a) and the connecting tool (10b) attached to the ladle storage part (3a).

As described above, the ladle (9) is a ladle transporter (1).
After being securely fixed to the vehicle (8), the vehicle (8) is driven to transport the ladle (9) to the casting site. At the casting site, the reverse operation is carried out to carry out the hot water supply to the casting facility. Thereby, it is possible to immediately shift to the casting operation or the die casting operation.

FIG. 5 shows a second embodiment of the present invention.
Is one, and the other structure is the same as that of the first embodiment.

[0037]

In the ladle conveying device according to the present invention, the ladle is attached and detached by the ladle surrounding portion and the fixture, and is not fixed by a conventional turnbuckle, so that attachment and detachment is easy. Not only that, but also a secure fixation is possible, and the ladle can be directly and simply fixed and transported to the bed of the vehicle.

[Brief description of the drawings]

FIG. 1 is a front perspective view of an embodiment fixed to a truck bed according to the present invention.

FIG. 2 is a front perspective view when the fixing plate of FIG. 1 is folded down.

FIG. 3 is a front perspective view when the opening / closing door of FIG. 1 is opened.

FIG. 4 is a front perspective view when the opening / closing door of FIG. 1 is opened and a ladle is detached;

FIG. 5 is a front perspective view of another embodiment fixed to a truck bed according to the present invention.

FIG. 6 is a sectional view of a ladle according to the present embodiment.

FIG. 7 is a cross-sectional view of a state in which molten metal is supplied to the ladle of the present embodiment.

FIG. 8 is a plan view of a truck used in the present embodiment.

FIG. 9 is a front view of a coupler used in the present embodiment.

FIG. 10 is a plan view of FIG. 9;

FIG. 11 is a front view of a detachable portion used in the present embodiment.

FIG. 12 is a front view of a conventional ladle transfer device.

[Explanation of symbols]

 (1) Ladle transporter (2) Base plate (3) Ladle enclosure (3a) Ladle storage (3b1) (3b2) Opening door (3e) Insertion opening (3j1) (3j2) Free end (3k) Detachable part (5) Guide (8) Vehicle (8a) Carrier (9) Ladle (10a) (10b) Connector

Claims (5)

(57) [Claims] (1) An opening for inserting and removing a ladle is formed, and a ladle storage portion attached to a cargo bed of a vehicle and an opening and closing hinged to both open ends of the ladle storage portion. A ladle surrounding portion comprising a door, (b) a detachable portion for detaching the free ends of the opening / closing door, and (c) a ladle accommodated in the ladle surrounding portion for fixing the ladle to the loading platform. Wherein one end is attached to at least one of the ladle storage section and the cargo bed, and the other end is connected to a ladle provided in the ladle surrounding section, and the ladle is transported. apparatus. 2. (a) An opening for inserting and removing a ladle is formed, and a ladle storage portion attached to a cargo bed of a vehicle and one opening end of the ladle storage portion are hinged. A ladle surrounding portion comprising an opening / closing door, (b) a detachable portion for attaching and detaching a free end of the opening / closing door and another open end of the ladle storing portion, and (c) a storage portion to be stored in the ladle storing portion. For connecting a pan to a ladle, one end is attached to at least one of the ladle surrounding portion and the ladle, and the other end is connected to a ladle provided in the ladle surrounding portion. A ladle conveying device characterized by the following. 3. An end of each ladle is connected to the open end of the ladle enclosure, and two guides are provided so that the distance increases as approaching the other end. Item 3. The ladle transfer device according to item 1 or 2. 4. A connecting plate on the side of an opening and closing door is composed of a fixing plate attached to the carrier so as to be able to be turned upside down, and a fastener for connecting the fixing plate and the ladle provided in the ladle surrounding portion. The ladle conveying device according to any one of claims 1 to 4, wherein the ladle conveying device is configured. 5. A ladle transport vehicle, wherein the ladle transport device according to claim 1 is installed on a carrier.