JPH0467583A - Automatic power connecting device - Google Patents

Abstract

PURPOSE:To assure connection by moving contacts nearer in the parallel state with the action of the ball joint 4 of a coupler A when the coupler A advances, and returning (swaying) them with the action of an automatic aligning device for removal. CONSTITUTION:A ball joint 4 is provided on a sliding device 3, and a frame 1 is rotatably connected. Contacts are pressed to each other by a hydraulic cylinder 12 and clamped by an air cylinder 18, then the hydraulic cylinder 12 is released, and the face pressure on the connection face is maintained by a spring 3. A metal 19 is unlocked, and the hydraulic cylinder 12 is operated. Push bars 8, 20 are pressed to receiving metals 21, 9, they are gradually moved near while opening covers 7, 22, electric contacts 5, 13 are brought into contact with each other, and the moving contact 14 of an electrode bar 16 is brought into sliding contact with the fixed contact 15 of a contact receiving base 17 to form a power circuit. When a locking cylinder is clamped, the connection state can be maintained.

Description

[Detailed Description of the Invention] The present invention is an automatic power supply connection device, particularly for preventing nozzle hole clogging caused by cooling by outside air when hot water is continuously discharged from a nozzle using a tundish in a steelworks or the like. This is a device connected to a heating heater power source for preventing heating, and a plasma torch or induction heating power source used to heat the molten steel in the tundish.

Conventional Technology In order to supply large-capacity power, such as the power supply for a heater to prevent the sprue from cooling, conventional technology uses thick and hard materials such as fusbars and water-cooling cables, which lack flexibility and visibility, making couplers and It was impossible to connect with connectors, etc., so I tried to use the optical cable, which had been tightened with bolts, etc. However, in recent years in industry, whether it is for electric power or control power,
There is a strong desire to be able to easily connect and disconnect connectors, couplers, etc. manually or automatically.

. Taking these points into consideration, the inventor of the present invention has tried various prototypes and experiments, and has found that it is possible to easily and automatically connect or disconnect the two couplers by remote control. This is a device that has

That is, the present invention consists of a coupler A for a tundish and a coupler B for a tundish car.
It has a pair of electric contacts 5, and is supported on the mounting frame 2 so as to be centered around the four circumferences using a plurality of self-aligning devices 6a to 6f, and the body 1 is rotatable using a ball joint 4. While this is attached to the sliding device 3, the coupler B is provided with a main body 11 that moves back and forth by a cylinder 12. By providing a pair of electrode rods 16 having a pair of contacts 13 at their tips with springs 23 to balance the surface pressure and a pair of movable connectors 14 in their parts, these contacts can be easily made. In addition to balancing the surface pressure when connecting the couplers 5 and 13, even if the connecting portion of both couplers A and B is inclined, the ball joint 4 automatically maintains parallelism, and the self-aligning device 6a to 6f, automatic centering is performed.

The device of the present invention is easy to use and is used in the power supply circuit for energizing heating of the tandem nozzle in continuous casting equipment.
The coupler on the side has a structure in which the coupler body is mounted on the self-aligning device (swing device) 6a to 6f, and the coupler body on the side of the tandem car B is moved forward and backward by the hydraulic cylinder 12, and after connection, the locking metal fitting is attached. This creates a structure that maintains the bonded state. When coupler B moves forward, push rod 20 or coupler A
In addition, the push rod 8 of coupler A is connected to the receiver 2 of coupler B.
1, the ball joint 4 provided on the A side coupler acts and moves parallel to the surface of the B side coupler, and when coupler B moves further and contacts 5 and 13 press against each other, the opposite occurs. The force brings them closer to the parallel state and ensures the connection. Also, when the coupler B begins to move backward and the contacts 5 and 13 begin to separate, the self-aligning devices 6a to 6 provided on the mounting frame 2
With the action of f, the coupler A can smoothly return to its original state (swing) to the state before connection.

EXAMPLE Next, an example apparatus of the present invention will be described. Fig. 1 is a coupler A for a tandaitsu. Fig. A is a plan sectional view excluding the cover 7. Fig. 1 is a front view of the rotation. Fig. 2 is a side view including the cover 7. It is.

In the figure, reference numeral 1 denotes a device body, which is provided with a pair of electrical contacts 5, and is supported in a centering manner between it and a mounting frame 2 by a plurality of self-aligning devices 6a to 6f (six in the figure). A sliding device 3 is composed of a sliding plate joint, a sliding temporary holder, and a ball receiving plate, and has a structure in which the sliding joint moves within the sliding plate sac. The container body 1 is rotatably connected to this sliding device 3 via a ball joint 4. Others 7 is a cover that covers the electrode part at the tip of the device body 1, that is, a pair of electric contacts 5 when the other coupler B is far away, and when the other coupler B approaches to a certain extent, the push rod 8 The cover 7 is opened by pushing against the support shaft 7a (FIG. 1 C) using the support shaft 7a (FIG. 1 C) as a rotating shaft by pushing a roller provided on the cover 7, although the details are omitted as they are well known. acts as a return spring for the cover 7, and the receiver 9 is used to open the cover 22 of the coupler B when the push rod 20 of the other coupler B hits it. Figure A is a plan sectional view with the cover 22 removed. Figure 1 is a front view. 11 is coupler B
The main body of the coupler A is moved forward and backward by the cylinder 12, and is connected to and separated from the vessel body 1 of the other coupler A. This main body 11 has 1
It has a pair of contacts 13 at its tips and a pair of movable connectors 14 in a part thereof, and is attached with a pair of electrode rods 16 that move integrally with the main body 11, and each contact 13 is attached to a coupler A. By connecting the couplers A and B, each movable connector 14 is in sliding contact with the fixed connector 15 of each connector holder 17, and the couplers A and B are in pressure contact with or separated from each other. Simultaneous contact between the pair of contacts 13 and the pair of electric contacts 5 as well as the respective fixed connectors 15 and movable connectors 14 forms a power supply circuit to supply power to the heater. By attaching the spring 23 to the contactor 13 during contact connection, the connection can be balanced. Also, when the main body 11 of coupler B approaches the container body 1 of coupler A, it hits the push rod 20 or the receiver 9 of coupler A (1 hole in Figure 1), and the coupler AL
2) As in case 2), push the roller provided on the cover 22 to open the cover 22 using the support shaft 22a as the rotation axis.

In addition, coupler B is provided with an air cylinder 18 that moves forward and backward, and one locking fitting connected to this is operated to clamp (forward) to complete the coupling operation, and the air cylinder 18 is unlocked (retracted) to release. Lock fitting 1
The tip hook portion 19a of 9 is the lock pin 1a of the other coupler A.
It deviates from that. This is shown in the side cross-sectional view of FIG. 3 in which couplers A and B are fully connected. In addition, the main body 11 of the coupler B is mounted on a mounting base 24 via a connector holder 17, and is mounted on a roller 25 or a part of the main body 11 so that the main body 11 can be smoothly moved back and forth by the cylinder 12.

As described above, in the present invention, the contactor 13 of coupler B
By making the spring 23 movable, balance is automatically achieved when couplers A and B are coupled. That is, the hydraulic cylinder 12 presses the contacts together, the spring 23 is deflected, the air cylinder 18 clamps, and then the hydraulic cylinder 12 is released, so that the spring 23 maintains the surface pressure on the joint surfaces. The rear end of the main body 11 of coupler B is connected to and supported by a hydraulic cylinder 12, and when operating the connection, after unlocking one of the locking fittings belonging to coupler B, the hydraulic cylinder 12 is operated to connect, the hydraulic cylinder 12 is operated, and the main body 11 of the coupler B begins to move forward, and by continuing to move forward,
The push rods 8 and 20 provided on both couplers A and B press against the receivers 21 and 9 of the opposing couplers B and A, and the push rods 8 and 2
The rollers (not shown because they are well known) provided in 1) are pushed and gradually approach each other with the support shaft 7a22a as the rotation axis while opening the covers 7.
and the contacts 13 abut against each other, and the movable contacts 14 of the respective electrode rods 16 come into sliding contact with the fixed contacts 15 of the connector holder 17, forming a power supply circuit.

On the other hand, when the lock cylinder 18 is moved to clamp (move forward), the tip hook 19a (Fig. 3) of one of the lock fittings engages with the lock pin 1a provided on the body 1, and the connection operation is completed, and the connected state is reached. can be held. To release the connection, first press the hydraulic cylinder 12 to unclamp the lock fitting 19, and remove the tip hook portion 19a of the lock fitting 19 from the opening of the mating coupler A. Next, coupler B
When operated to release, cylinder 12 operates and coupler B
The covers 7.2 began to retreat and were pushed open against each other.
2 also begins to close at the same time as coupler B retreats, and push rods 8 and 2
0 is separated from the receivers 21 and 9, and the cover 7.22 is attached to the shaft 7a.
, 22a begins to rotate with the help of the spring and is completely closed, completing the release operation.

Effect of Light Chewing In this way, in the present invention, when both couplers A and B are operated to connect, and the respective abutment surfaces are not parallel but tilted at an angle, the push rods 8 and 20 for opening and closing the cover are The ball joint 4 acts to push the container body 1 of the coupler A parallel to the end surface of the body 11 of the coupler B.
When the end face of moves and the coupler B advances further, each pair of electric contacts and the contact 13 are pressed against each other, and the connection pressing surfaces are also pressed against each other, the reaction force approaches the parallel state and connection is established. From this state, the coupler is released, and when the coupler B begins to move backward and the connection pressing surface and the contact 13 begin to separate from the electrical contact 5 of the coupler A, the six supporting mounting frames 2 on the coupler A side The self-aligning devices 6a to 6f, that is, the bearing device supported at the tip so as to always return the body 1 of coupler A to the center position start working, and when coupler B further retreats to the released state, self-aligning starts. Devices 6a to 6f
, the coupler A smoothly and reliably returns to its pre-connection shape. In this way, the present invention makes it possible to automatically connect and disconnect both couplers. The sliding device 3 is used for operations that require parallel movement for position adjustment after connection. As described above, with the present invention, remote attachment and detachment is possible either manually or automatically, non-parallelism of the contact surfaces is naturally corrected, and it is possible to follow the movement of the tundish after joining, and the substantial effect is There is something big.

[Brief explanation of the drawing]

Figure 1 shows the coupler A for the tundish, and Figure 1 A shows the cover 7.
1 is the same front view, Figure C is the cover 7.
FIG. 2 is a side view of the other side. Second
The figure shows coupler B for tandateshukar.1 figure shows cover 2.
Figure 1 is a side sectional view excluding cover 22; Figure 2 is a partial view of the opening 19 and the cover. Also, Figure 3 shows coupler A and coupler B.
FIG. 2 is a side sectional view of the state in which the connection is completed. In the figure, A is the coupler for tandaitsu, 1 is the container body, and 2
is a mounting frame, 3 is a sliding device, 4 is a ball joint, and 5 is an electric contact. 6a to 6f are self-aligning devices, 7 is a cover, 8 is a push rod,
9 is the money received. In addition, B is a coupler for tandateshukar, 11 is the main body, 12 is the cylinder, 13 is the contact, 1
4 is a movable connector, 15 is a fixed connector, 16 is an electrode rod, 1
7 is a connector holder 18 is an air cylinder, 1 is a lock fitting, 20 is a push rod 21 is a holder, 22 is a cover, 23 is a spring, 24 is a mounting base, 25 is a roller applicant Taihei Kogyo Co., Ltd. and 3 others Figure 1, Figure 8, Figure 2, Figure 1, Figure 2

Claims (1)

[Claims] 1. Consists of a tundish coupler A and a tundish car coupler B. The coupler A has a pair of electrical contacts 5 on the body 1, and a plurality of self-aligning devices 6a to 6f on its mounting frame 2. The vessel body 1 is rotatably supported from all four circumferences using a ball joint 4,
While this is attached to the sliding device 3, the coupler B is provided with a main body 11 that is moved forward and backward by a forward and backward movement cylinder 12, and this main body 11 is in pressure contact with or separated from the pair of electrical contacts 5, and the surface is 1 with spring 23 to balance pressure
By providing a pair of electrode rods 16 with a pair of contacts 13 at their tips and a pair of movable connectors 14 in a part of each electrode rod, it is possible to balance the contacts 5 and 13 when they are connected, and to Even if the contact portions of the couplers A and B tend to tilt in angle, the ball joint 4 automatically maintains the parallelism, and the self-aligning devices 6a to 6f automatically correct the centering. An automatic power supply connection device characterized by: