JPS5856725B2 - Connection device for power supply etc. of pig iron mixing car - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a device for remotely connecting a power source and an operating source for a pig iron mixer car from the ground side to the pig iron mixer car side.

As is well known, pig iron mixers are equipped with a furnace body tilting device including an electric motor in order to perform operations such as tapping.

Electric power for energizing the electric motor is provided by connecting a ground-side power supply coupler (power coupler) connected to a ground power source or the like to a ground-side power receiving coupler at the stop position of the pig-mixer car.

However, since the environment at the tap site is extremely bad, the interconnection of the power supply and power receiving couplers must be done manually (
It was strongly desired that this could be achieved through automatic remote control.

Although approaches for this purpose have already been proposed and put into practical use, none of them can be said to be sufficiently superior.

The main object of the present invention is to provide a coupling device for a power source, etc., for an iron mixer vehicle that is more excellent in terms of ease of coupling operation by remote control and maintenance of the coupled state after coupling.

In the present invention, a rail 8 is laid along the moving direction 11 of the pig iron mixer car 1, a power feeding truck 5 is mounted on the rail 8, and an engaging piece 12 is mounted on the power feeding truck 5 so as to extend toward the pig iron mixing car 1. A cylinder 13 that moves forward and backward is provided on the pig iron mixer wheel 1, and a protruding piece 53 that comes into contact with the protruding engaging piece 12 is located on the rear side of the engaging piece 12 in the moving direction 11 of the pig iron mixing wheel 1. A movable base 14 is mounted on the power feeding truck 5 so as to be movable forward and backward toward the pig iron mixer 1 by means of an air cylinder 15.
4 includes a power supply coupler 6 having a contact surface facing the pig iron mixer car 1;
is fixed, and a plurality of guide rods 17 protruding toward the pig iron mixer car 1 are fixed, and a board 31 extending vertically downward and parallel to the moving direction 11 of the pig iron mixer car 1 is fixed. , on the side of the power feeding cart 5 from the board 31,
The bottom 22 of the outer box 20 is supported spherically through a single ball 32, and three or more support rods 33 are connected to the base plate 31 at equal distances shifted from each other at equal intervals around the position of the ball 32. The base plate 3 of the support rod 33 is inserted through the base plate 22 and supported by spherical bearings 34 and 35 between the base plate 31 and the base plate 22.
The part protruding from 1 to the side opposite to the moving cart 5 is a spring 36.
The inner box 21 is stored in the outer box 20, and the inner box 21 has the following characteristics:
A pair of support pieces 41 protruding from the bottom 22 side of the outer box 20 are fixed, and these support pieces 41 are loosely inserted into a pair of guide rods 42 fixed to the outer case 20 and extending up and down, respectively. is elastically held by a spring 43 inserted through a guide rod 42 and compressing the support piece 41 from both sides, and a power receiving coupler 4 having a contact surface facing the movable cart 5 is fixed to the inner box 21. , is a power source coupling device for a pig iron mixer vehicle, characterized in that a plurality of large guide cylinders 18 having conical lead-in portions into which guide rods 17 are individually fitted are fixed.

FIG. 1 is a schematic plan view of an embodiment of the present invention, showing the relationship between the power receiving device 2 of the pig iron mixer car 1 and the ground-side power supply device 3 at the pig iron mixer car tapping position.

The power source and operation source for the furnace body tilting device (not shown) of the pig iron mixer 1 are provided by a power receiving coupler 4 included in the power receiving device 2.
and a power supply coupler 6 installed on the power supply trolley 5 on the ground side.
This is done by connecting the

The power feeding truck 5 is powered by four wheels 9 having a horizontal rotation axis and four wheels 10 having a vertical rotation axis on a channel steel rail 8 laid parallel to the rail 7 of the pig iron mixer 1. It will be placed on a shelf.

The pig iron mixing car 1 moves in the direction of the arrow 11 while carrying hot metal.

The power feeding truck 5 has a cylinder 13 for moving the engagement piece 12 forward and backward toward the pig iron mixer car 1 .

A projecting piece 53 that engages with this engaging piece 12 is fixed to the pig iron mixer wheel 1.

Therefore, when the pig iron mixer 1 moves in the direction of the arrow 11 toward the tapping stop position, when the engaging piece 12 is extended by the cylinder 13, the projecting piece 53 engages with the locking piece 12,
The pig iron mixer 1 carries the power feeding truck 5 from above the tap stop position.

Thus, the arrow 11 for the contact surfaces of both couplers 4, 6
horizontal relative positioning is performed.

The power supply coupler 6 is attached to the movable base 14 so as to be located at approximately the same height as the power reception coupler 4.

This movable platform 14 can be moved back and forth on a guide rail 16 in a direction perpendicular to the track direction of the pig iron mixer 1 by means of an air cylinder 15.

A pair of guide rods 17 are also provided on the movable table 14 so as to protrude in parallel and horizontally.

In the power receiving device 2, a pair of large guide cylinders 18 are connected to the guide rod 1.
It is installed in accordance with 7.

The guide rod 17 and the large guide tube 18 are used to achieve accurate centering of both the couplers 4 and 6.

The guide rod 17 has a circular or square cross section, and its tip is formed into a conical shape or the like to facilitate centering.

The guide barrel 18 may have a circular cross-section achieved to fit the guide rod 17, with the leading end having a conical shape.

When there is no need to supply power to the tilting device of the pig iron mixer 1, the power feeding truck 5 is pulled in the opposite direction to the arrow 11 by a torque reel (not shown), that is, to a position above the tapping stop position. and wait.

FIG. 2 is a sectional view showing the side of the power receiving device 2, FIG. 3 is a sectional view showing the front, and FIG. 4 is a sectional view showing the top.

Power receiving device 2 basically includes an outer box 20 and an inner box 21.

The outer box 20 is mounted on the pig iron mixer 1 by means of a swing support means 30, and the inner box 21 is mounted on the power receiving coupler 4 and the large guide cylinder 1.
8, and is held by the vertical position holding means 40 inside the outer box 20.

The swing support means 30 will be explained.

A base plate 31 extending vertically below the pig iron mixer 1 supports the bottom surface 22 of the outer box 20 spherically through a single steel ball 32 .

Four support rods 33 vertically loosely insert the substrate 31 at equal distances shifted by 90 degrees around the position of the steel ball 32.

A short cylindrical ring member 37 is fixed to the substrate 31 surrounding these support rods 33 .

This ring member 37 comes into contact with the bottom surface 22 of the outer case 20 when it is tilted, that is, when it swings, and limits the swing angle of the outer case 20 about the point supported by the balls 32.

As described above, the support rod 33 is supported by loosely inserting the board 31 and the bottom surface 22 of the outer box 20, and by loosely inserting the spherical bearings 34 and 35 between the board 31 and the bottom 22, and is supported by the compression spring 36. Elastically biased.

In this way, the bottom surface 22 of the outer box 20 and, therefore, the power receiving contact surface of the power receiving coupler 4 can swing elastically with the miso swash plate.

The vertical position holding means 40 for the inner box 21 will be explained.

A pair of support pieces 41 (see FIG. 4) are fixed to the bottom 23 of the inner box 21, and a guide rod 42 is inserted vertically into a through hole formed in the support pieces 41.

The upper and lower ends of the guide rod 42 are fixed to the outer box 20.

Compression springs 43 are interposed between the outer box 20 and the support piece 41 at the top and bottom, respectively, and are loosely inserted by guide rods 42 .

In this way, the compression spring 43 elastically holds the inner box 21 within the outer box 20 so as to be vertically displaceable.

Guide rollers 44 are supported on the vertical planes of both measuring sections of the inner box 21 with their rotating shafts horizontally, and rails 45 on which the guide rollers 44 roll extend vertically on the inner surfaces of both sides of the outer box 20. can be installed.

In this way, the guide rollers 44 and rails 45 cooperate to allow displacement of the inner box 21 only in the vertical direction.

When connecting the power receiving coupler 4 and the power feeding coupler 6,
The power feeding truck 5 is placed in a standby position in advance, and the pig iron mixing truck 1
In response to an approach command, the retaining piece 12 is pushed out by the action of the cylinder 13.

When the pig iron mixer car 1 passes near the power feeding truck 5 in this state, the engaging piece 12 engages with the protruding piece 53, and the power feeding truck 5 moves together with the pig iron mixing car 1 and stops at the tapping position.

Next, the moving table 14 is advanced by the air cylinder 15, and the centering guide rod 17 is fitted into the centering guide large tube 18 to perform accurate centering, and both the couplers 4 and 6 are brought into contact and electrically A typical connection is made.

The air cylinder 15 functions to absorb shock during connection, and after the couplers 4 and 6 come into contact, the air spring pressure presses the power supply coupler 6 against the power reception coupler 4 to maintain their mutual contact. work.

In this embodiment, the substrate 31 is connected to the pig iron mixer 1 as shown in the figure.
is parallel to the direction of movement.

From the base plate 31 of the support rod 33 to the side opposite to the movable trolley 5 (second
The portion protruding toward the left in the figure is elastically biased by the spring 36 in a direction away from the movable carriage 5 (to the left in FIG. 2).

The projecting piece 53 is fixed to the pig iron mixer 1 on the rear side in the moving direction 11 of the pig iron mixer 1 than the engaging piece 12 which is in a protruding state.

As described above, according to the present invention, the connection of the power source and operation source at the stop position of the pig iron mixer car can be easily achieved by automatic remote control, and the horizontal fluctuation of the stop position of the pig iron mixer car and the capacity of hot metal in the furnace can be controlled easily. Even if there is vertical displacement due to fluctuation, etc., the connection can be reliably connected and the connected state can be maintained.

Particularly, according to the present invention, the power receiving coupler 4 is capable of a sliding motion and is also elastically displaced along the guide rod 42 by the action of the spring 43, so that the power receiving coupler 4 and the power feeding coupler 6 can be reliably brought into surface contact.

Since the engaging piece 12 projected by the cylinder 13 comes into contact with the projecting piece 53 of the pig iron mixer car 1, horizontal positioning of both couplers 4 and 6 is performed while the pig iron mixer car 1 is moving.

The inner box 21 has a spring 4 along a guide rod 42 extending vertically.
It can be elastically displaced in the vertical direction by the spring force of 3.

In this way, it is possible to reliably connect both the couplers 4 and 6. Since the movable table 14 is moved by the air cylinder 15, the impact force when the couplers 4 and 6 are partially removed is buffered.

[Brief explanation of drawings]

FIG. 1 is a plan view schematically showing an embodiment of the present invention, FIG. 2 is a cross-sectional view of the power receiving device 2 shown in FIG. 1, seen from the side, and FIG. 3 is a front view of the power receiving device 2 shown in FIG. 1. , FIG. 4 is IV- of FIG.
There is a sectional view taken along the IV line.

Claims (1)

[Claims] 1 A rail 8 is laid along the moving direction 11 of the pig-mixer car 1, and a power feeding cart 5 is mounted on the rail 8, and an engaging piece 12 is mounted on the feeding cart 5 so as to be able to move forward and backward toward the pig-mixing car 1. A movable cylinder 13 is provided, and the pig iron mixer 1 is provided with a projecting piece 53 that is in visual contact with the engaging piece 12 in a protruding state.
A movable platform 14 is mounted on the power feeding truck 5 so as to be movable forward and backward toward the pig-mixer truck 1 by means of an air cylinder 15. A power feeding coupler 6 having a contact surface facing the is fixed, and a plurality of guide rods 17 protruding toward the pig iron mixer car 1 are fixed, and a plurality of guide rods 17 are fixed to the pig iron mixer car 1. The board 31 is fixed, and the board 31 is connected to the outer box 20 on the side closer to the power feeding cart 5 than the board 31.
The bottom 22 of is supported spherically with a single ball 32 interposed, and at equal distances shifted at equal intervals around the position of this ball 32,
Three or more support rods 33 are inserted through the base plate 31 and the bottom plate 22, and have spherical bearings 34 between the base plate 31 and the bottom plate 22.
．． 35, and a portion of the support rod 33 that protrudes from the base plate 31 on the side opposite to the movable trolley 5 is elastically biased by a spring 36 in a direction away from the movable trolley 5, and the outer box 2
An inner box 21 is stored in the inner box 20, and an outer box 20 is stored in the inner box 21.
A pair of support pieces 41 protruding from the bottom 22 side of the case are fixed, and these support pieces 41 are loosely inserted into a pair of guide rods 42 fixed to the outer box 20 and extending up and down, respectively.
1 is elastically held by a spring 43 inserted through a guide rod 42 and compressing the support piece 41 from both sides,
A power receiving coupler 4 having a contact surface facing the movable cart 5 is fixed to the inner box 21, and a plurality of large guide cylinders 18 having conical lead-in portions into which guide rods 17 are individually fitted are fixed. Connection device for power supply, etc. for pig iron mixing cars.