JPH06286606A - Coil conveyance truck - Google Patents

Abstract

PURPOSE:To provide a coil conveyance truck which prevents an accident due to unexpected descent of an ascent and descent drive mechanism of a coil receiving base surely and increases safety of coil conveyance. CONSTITUTION:In a coil conveyance truck 1 provided with a coil receiving base which ascends and descends on a running truck via a jack, a pair of movable support leas 21, 22 for supporting the coil receiving base which is made to rise and fall by an actuator 24 of hydraulic oscillation type and fixed in the erected condition in such a way that it can be mounted, dismounted, and engaged with a symmetrical lower face section of the coil receiving base are provided on the running truck. the coil conveyance truck 1 runs in the condition on which the movable support legs 21, 22 support the coil receiving base 6 stably to prevent an accident due to unexpected descent of the jack.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a coil carrier which is suitable for being used in a steelmaking factory or the like.

[0002]

2. Description of the Related Art As a conventional coil transfer carriage, those shown in a side view of FIG. 9 and a transverse sectional view of FIG. 10 are known.
A coil carrier is provided with a coil carrier 6 which is moved up and down through a jack 4 and a side support roller 5 in the center of a traveling carrier 3 which travels on wheels 2, 7 is a coil, 8 is a rail, and 11 is on the rail 8. It is a skid for receiving a coil fixedly installed in each place such as a coil storage area across the coil carrier 1. Then, the coil carrier 1 is driven by being supplied with power from a cable bear or other unillustrated power source, and enters the skid 11 under the condition that the coil carrier 6 is lowered to the height shown by the chain line in the figure, Coil 7 placed on skid 11
As shown in FIG. 10, the coil cradle 6 is lifted to move, move to the skid 11 position at another place, and lower the coil cradle 6 to place the coil 7 on the skid 11. The coil 7 is conveyed.

However, since the coil carrier 1 travels with the coil 4 supported above the skid 11 via the coil receiving base 6 while the jack 4 is extended and driven, the coil 4 is unexpected. If the coil 7 contracts due to a drop in hydraulic pressure or the like, the end face of the moving coil 7 may come into contact with the overhanging portion of the skid 11 and cause the coil 7 to fall over. In order to prevent this danger, it is necessary to take countermeasures because the anxiety cannot be eliminated only by the brake of the hydraulic drive system.

[0004]

SUMMARY OF THE INVENTION The present invention has been proposed in view of the above circumstances, and reliably prevents the occurrence of an accident due to an unexpected lowering of the lifting and lowering drive mechanism of the coil pedestal. An object of the present invention is to provide a coil carrier that can improve the safety of transportation.

[0005]

To this end, the present invention provides a coil pedestal that is lifted and lowered by a lifting drive mechanism on a traveling carriage, wherein a symmetrical lower surface of the coil receiving base is provided on the traveling carriage. And a pair of movable support legs for supporting the coil pedestal, which is undulated by the driving means and is fixed in an upright state so as to be detachably engaged with the section.

[0006]

In the coil carrier of the present invention, the coil carrier enters the skid, and the coil is supported on the coil receiving table by the elevating drive of the elevating drive mechanism and lifted above the skid.
By operating the pair of movable support legs to the upright state by the driving means and contracting the lifting drive mechanism, the movable support legs are fitted and coupled to the lower surface of the coil cradle, and the force of the lifting drive mechanism is removed.
The coil is in a state of mechanically supporting the coil with the pair of movable support legs fixed. In this state, the carrier truck moves, extends the elevating drive mechanism at the position where it enters another skid, pushes up the coil pedestal, drives the movable support legs horizontally to the position to drive down the elevating drive mechanism, Place the coil on the skid. That is, when the coil carrier is moved, the coil carrier is fixedly supported on the traveling carrier through the movable support legs, so that the coil carrier is not lowered during the movement of the coil carrier, and the coil is stably moved up and down, Danger is prevented and eliminated.

[0007]

1 is a plan view of a main portion, FIG. 2 is a side view, and FIG. 3 is an enlarged end view taken along line III-III of FIG. 4 to 6 are side views showing the side view of FIG. 2 in the order of the carrying steps, and FIGS. 7 and 8 are end views taken along the lines VII-VII and VIII-VIII of FIG. Note that reference numerals 1 to 8 and 11 refer to FIGS.
The same member as the conventional one is shown.

In FIGS. 1 and 2, reference numerals 21 and 22 denote a pair of movable support legs which are supported on the traveling carriage 3 on both sides of the jack 4 support portion of the coil receiving base 6 by a bearing 23 so as to be rotatably and rotatably supported.
Reference numeral 24 denotes a hydraulic swing type actuator provided on the traveling carriage 3 by connecting to the ends of the shafts 25 of the movable supporting legs 21 and 22 via a gear coupling 26, and 27 denotes movable supporting legs 21 and 22.
The movable support leg 2 provided on the traveling carriage 3 at the other end of the shaft 25 of
1, 22 rotation stoppers, 28 movable support legs 21,
The shoe part attached to the head of No. 2, 29 is the movable support leg 2
At a position where the wheels 1 and 22 are slightly tilted toward the center of the traveling carriage 3, for example, at a position tilted inward from the vertical plane by 5 °, the shoe portions 28 of the heads of the movable support legs 21 and 22 are fitted to the lower surface of the coil support 6. A circular groove 30 provided in this manner is a fitting guide stopper projecting downward on the lower surface of the coil receiving base 6 along the inner edge of the circular groove 29, and the movable support legs 21 and 22 were driven to stand up. At this time, the head shoe portion 28 hits the guide stopper 30 and stands still, and when the coil receiving base 6 descends, the circular groove 2
It fits in 9.

Next, referring to FIG. 3, the rotation stopper 27 will be described. The end 25 'of the shaft 25 of the movable support leg 21 or 22 is described.
Is a stopper block which is cut off in the range of 185 ° around the shaft center and has a right-angled surface which comes into contact with the above-mentioned 185 ° cut-off surface on the stopper mount 31 on the traveling carriage 3 alternately by the rotation of the shaft 25 by 95 °. 32 is provided with a rotation stopper 27
Is formed. As shown in FIG. 1, the movable support leg 21 is provided with a shoe portion 28 having a semicircular cross section on the head of a double mountain, and the other movable support leg 22 is provided with a shoe portion 28 having a semicircular cross section on the head of a single mountain. It is provided and configured. This rotation stopper 27
Is used as a stopper for supporting the weight of the movable supporting legs so as not to load the hydraulic oscillating type actuator 24 at each of the horizontal and standing positions of the movable supporting legs 21, 22, and the coil receiving base 6 is detached during maintenance or the like. Works effectively even when given.

In such an apparatus, the procedure for supporting and conveying the coil 7 will be described with reference to FIGS. 2 and 4 to 6. In FIG. 2, the coil receiving base 6 is supported by a solid line on the pair of movable supporting legs 21 and 22. The coil 7 is supported and conveyed, and the movable support legs 21 and 22 are laid down by the chain line, and the coil pedestal 6 is lowered. FIG. 4 shows the chain line state of FIG. 2. The coil carrier 1 travels on the rail 8 to receive the coil 7 in the empty state of FIG. 4, and enters the skid 11 on which the coil 7 is loaded. The coil carrier 1 which has stopped alignment in the skid 11 extends and drives the jack 4 to push up the coil receiving base 6 to the designed maximum height, thereby lifting the coil 7 onto the coil receiving base 6. By a continuous operation, the pair of movable support legs 21 and 22 are moved to the standing position by the driving of the hydraulic swing type actuator 24, and the state shown in FIG. 5 is obtained.

Next, the jack 4 is slightly lowered and the circular groove 29 of the coil receiving base 6 and the shoe portion 2 of the movable supporting legs 21 and 22.
8 is fitted and brought into the state shown in FIG. 6, and the coil carrier 1 equipped with the coil 7 is run. In this state, the coil support 6
The movable support legs 21 and 22 are kept in a mutually fixed state by the side support roller 5 on the traveling carriage 3 and the guide stopper 30 on the coil receiving base 6, and the coil 7 is fixed at three points without the hydraulic pressure of the jack 4. The shoe portion 28 and the round groove 29 can stably support and run. In this state, the mutual relationship among the coil carrier 1, coil 7, and skid 11 is as shown in FIGS. After the coil carrier 1 arrives in another skid 11 and stops alignment, when the jack 4 is extended and driven, the coil support 6 is pushed up to return to the state of FIG. 5 and the movable support legs 21 and 22 are leveled. When the jack 4 is contracted and driven, the coil 7 rides on the skid 11 and leaves the coil pedestal 6 to return to the state shown in FIG. 4 so that the coil 7 can be moved again to carry the next coil 7. it can.

Thus, according to such a device, the coil 7 is lowered by the unexpected contraction of the jack 4 while the coil 7 is being supported and conveyed by the coil carrier 1, and the coil 7 and the skid 11 are thereby separated. The risk of collision is reliably avoided and prevented, and the coil 7 can be stably transported.

[0013]

In summary, according to the present invention, a coil pedestal that is lifted and lowered by a lifting drive mechanism is mounted on a traveling carriage, and the coil lower surface of the traveling carriage is attached to and detached from a symmetrical lower surface of the coil carriage. By providing a pair of movable support legs for supporting the coil pedestal that is undulated by the drive means and is fixed in an upright state so as to be engageable with the coil pedestal, an accident due to an unexpected lowering of the elevation drive mechanism of the coil pedestal can be prevented. The present invention is extremely useful industrially because a coil carrier truck that can reliably prevent the occurrence and enhance the safety of the coil carrier is obtained.

[Brief description of drawings]

FIG. 1 is a plan view of a main part of an embodiment of a coil carrier truck of the present invention.

FIG. 2 is a side view of the above.

FIG. 3 is an enlarged end view taken along line III-III in FIG.

FIG. 4 is a side view showing the side view of FIG. 2 in the order of carrying steps.

FIG. 5 is a side view showing the side view of FIG. 2 in the order of carrying steps.

FIG. 6 is a side view showing the side view of FIG. 2 in the order of carrying steps.

FIG. 7 is an end view taken along line VII-VII of FIG.

8 is an end view taken along the line VIII-VIII in FIG.

FIG. 9 is a side view of a conventional coil transfer carriage.

10 is a cross-sectional view taken along the line XX of FIG.

[Explanation of symbols]

 1 Coil Transfer Cart 2 Wheels 3 Travel Cart 4 Jack 5 Side Support Roller 6 Coil Cradle 7 Coil 8 Rail 11 Skid 21 and 22 Movable Support Leg 23 Bearing 24 Hydraulic Oscillating Actuator 25 Shaft 26 Gear Coupling 27 Rotation Stopper 28 Shoe Part 29 Round groove 30 Guide stopper 31 Stopper mount 32 Stopper block

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁵ Identification number Reference number within the agency FI technical display location B65H 19/12 A 7130-3F (72) Inventor Nobuaki Nagamori 4-6-22 Kannon Shinmachi, Nishi-ku, Hiroshima City No. Mitsubishi Heavy Industries Ltd. Hiroshima Works (72) Inventor Hideyuki Matsuo 4-6-22 Kannon Shinmachi, Nishi-ku, Hiroshima City Mitsubishi Heavy Industries Ltd. Hiroshima Works (72) Inventor Hitoshi Fujimoto 4-22 Kannon Shinmachi, Nishi-ku, Hiroshima City Mitsubishi Heavy Industries Ltd. Hiroshima Works

Claims (1)

[Claims] 1. A traveling dolly comprising a coil pedestal which is moved up and down through an elevation drive mechanism, wherein the traveling dolly is detachably engageable with a symmetrical lower surface portion of the coil pedestal.
A coil carrier, comprising a pair of movable support legs for supporting a coil pedestal which is undulated by a drive means and fixed in an upright state.