JP2003012260A - Skip device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a skip device which is simple and of low cost, capable of discharging earth without overturning a skip itself, therefore without risk of running off or the like, and simplifying vertical structures including rails. SOLUTION: The skip includes a easing having a charging port at an upper part, a forward inclined bottom surface at a lower part, and a discharge port communicated with the bottom surface, and opened at a lower part in a front surface for containing sediment, and a gate means to open/close the discharge port in the casing. A gate opening/closing guide rail having a curved part at an upper part is disposed to open/close the gate means along an elevation guide rail. The gate means comprises an opening/closing plate of which one end part is journalled to a lower end part of the discharge port to be capable of opening and closing, and a follower member disposed at the other end part of the opening/closing plate to be vertically movably engaged with the gate opening/ closing guide rail. As the skip is elevated till the follower member gets engaged with the curved part, a bottom plate of the gate means falls forward and downward of the discharge port to let-sediment discharged along the opening/closing plate from the discharge port.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of a skip device for accommodating sediments or other discharged matter in a bucket at a lower position, vertically conveying it and discharging it at an upper discharge position.

[0002]

2. Description of the Related Art A skip device is provided with an elevating device for vertically elevating a skip or a bucket, and a suspending device usually using a wire, and ascending and descending along a vertical or sloping rail for guiding the skip to remove soil and sand. It is a device to carry out.

In a conventional device, earth and sand are inserted into a skip at a lower position, the skip is lifted, and the skip is inverted at a predetermined position at an upper position to discharge the earth and sand from the skip. After that, the skip was returned to its original position and lowered, and by repeating this, some were carrying out sediment.

[0004]

Such a conventional skip device reverses the skip when it is lifted up along the rail and discharged, so that the wheel with one sleeve that moves along the rail at the reversal position is bited. There is a phenomenon or the wheel rises, the skip operation is unstable,
Frequent failures were found where the wheels slipped off the rails.

Further, since the link arm mechanism along the rails is used as the reversing mechanism, when returning from the reversing, vibration is generated, which causes derailment. In order to prevent vibration, the vertical structure including rails was reinforced by forming a truss structure.

The present invention has devised the earth and sand discharging mechanism at the upper position so as not to invert the skip itself, and
It is intended to provide a skip device for discharging earth and sand and other conveyed objects without fear of derailment. The present invention further seeks to provide a simple and inexpensive skipping device that simplifies vertical structures including rails, while at the same time reliably ejecting sediment and other conveyed objects.

[0007]

In the skip device of the present invention, a skip that moves up and down according to a guide rail has a bottom having an insertion port at the upper portion and a bottom inclined toward the front, and communicates with the bottom surface to open at the lower portion of the front surface. A curved body at the top for opening and closing the gate means along the elevating guide rails, including a container for providing a discharge port for accommodating sediments and other carry-out objects, and a gate means for opening and closing the discharge port of the container. A gate opening / closing guide rail is provided, and the above-mentioned gate means is
An opening / closing plate whose one end is rotatably supported at the lower end of the discharge port, and a driven member which is arranged at the other end of the opening / closing plate and which vertically engages with the gate opening / closing guide rail,
When the skip is raised and the driven member engages with the curved portion, the opening / closing plate of the gate means falls down to the front lower side of the discharge port, and the discharged product is discharged from the discharge port along the opening / closing plate.

In this apparatus, the skip itself is not tilted and a certain posture is maintained during the steps of loading, lifting, discharging, and lowering the discharged material such as earth and sand at the lower position. As it is, charging and discharging are completed at a predetermined height. For this reason, a gate opening / closing guide rail is provided in which a discharge port is provided in the lower front part of the scoop body, and gate means for closing the discharge port is provided in the skip scoop body to open / close the gate means in parallel with the elevating guide rail. It is operated by a driven member engaging with this. Then, the gate opening / closing guide rail is curved outward at the discharge portion, and the driven member is driven by the curved portion to open the gate means. Therefore, even when the sand or the like is discharged, the skip can discharge the carried-out material efficiently without particularly reversing it, which is effective in improving the transportation efficiency.

The device of the present invention is not only a skip device for civil engineering work that discharges waste soil and earth and sand generated in underground work to the ground, but also for unloading bulk materials and the like from the hold of a bulk carrier and powder in a large tank. It can be widely applied to transportation of materials to be discharged to high places such as discharging of materials to be discharged such as granular materials, large-scale smelting furnaces, processing furnaces, especially charging of ore into a blast furnace.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION The skip device of the present invention includes a skip, an elevating guide rail for guiding the skip up and down, and an elevating device for elevating the skip. The lifting device usually employs a lifting mechanism with a wire.
The elevating guide rails are preferably installed in a pair so as to be inclined or vertically erected, and the skips are arranged between the pair of elevating guide rails and are elevated along the elevating guide rails.

A pair of rollers are provided on both sides of the body of the skip, and each pair of rollers sandwiches the lifting guide rail so as to roll or slide to guide the lifting and lowering of the skip. It is preferable because it can be guided by two guide columns, that is, a lifting guide rail.

[0012] The skip has a loading port in the upper portion and a bottom surface that is inclined forward in the lower portion, and has a discharge port that communicates with the bottom surface and opens at the lower portion of the front surface to store the earth and sand; And a gate opening / closing guide rail having a curved portion at an upper portion for opening / closing the gate means.

The gate means includes an opening / closing plate that is pivotally supported at one end at the lower end of the discharge port by a shaft support to open and close the discharge port, and is arranged at the other end of the opening and closing plate to move up and down on the gate opening / closing guide rail. When the driven member contacts the rail and the opening / closing plate closes the discharge port, the driven member such as earth and sand is held in the skip. When the skip rises and the driven member reaches the curved portion, the opening / closing plate of the gate means falls forward of the discharge port with the shaft support portion as a fulcrum and falls below the inclined bottom surface to move the discharge port. Open. Sediment and other carry-out materials inside the skip body are discharged along the opening and closing plate from the discharge port.

It is preferable that the gate means is integrally provided with the opening / closing plate and a side plate which is joined to both edge portions of the opening / closing plate and extends rearward. The side plate tilts in association with opening / closing of the opening / closing plate. Therefore, when the gate means is closed, it is normally located near both sides of the skip near the discharge port, and when opened, the side plate is located between the discharge port and the opening / closing plate when the opening / closing plate falls forward. It is possible to discharge the earth and sand along the gutter by covering the space from both sides and forming a gutter with a groove composed of the opening and closing plate and the side plates on both sides.

Such a side plate preferably has a semicircular shape or a fan shape, and the center position of the arc of the semicircle or the fan is movably supported by the lower end of the skip discharge port. The shaft support portion is formed, and both ends of the pair of side plates are
The opening and closing plate has a shape connected to both edges.

In this construction, the discharge port is on the front side of the skip, and the gate means, when discharging, the gutter consisting of the opening and closing plate and the side plates on both sides projects forward from the front surface, so that the gutter at the discharge position. The tip is provided in front of the skip lifting guide rail for guiding the skip up and down and the lifting device for lifting the skip, and the discharge position does not hinder the lifting of the skip.

In such a skip device of the present invention, in order to load the sand during the skip, the skip is lowered along the elevating guide rail, and the sand is loaded from the upper opening of the skip, that is, the charging port. Charge. At this time, the opening / closing plate closes the discharge port, and the driven member attached to the other end of the opening / closing plate is supported by being engaged with one of the side surfaces of the gate opening / closing guide rail. The opening / closing plate supports the load of earth and sand by giving a force for closing the plate to the opening of the discharge port.

After loading, even in the process of raising and lowering the skip, the driven member engages with and is supported by the gate opening / closing guide rail while rolling or sliding along the side surface of the gate opening / closing guide rail to open the discharge port. The open / close plate closes.

Then, ascending further, at the discharge position,
When the gate opening / closing guide rail is curved to the front side and the driven member reaches the bending portion due to the rising of the skip, the driven member moves forward along the bending portion, and as a result, the other end side of the opening / closing plate is The product is discharged along the opening / closing plate that has fallen forward, is released, and finally falls forward.
If the skip is lowered after discharging, the driven member approaches the skip side along the curved portion, raises the opening / closing plate, closes the discharge port, and puts the sand into the soilable state.

[0020]

EXAMPLES FIGS. 1 and 2 schematically show an example of an embodiment. In this example, a skip device used to carry excavated earth and sand from the ground to the ground or its vicinity is shown. In this coater skip device 1, a pair of vertically elevating guide rails 10 and 10 are provided from the loading position of the lower sand to the skip to the ground unloading position of the upper skip, and the elevating guide rails 10 and 10 are provided. Guide rails 10, 1
Gate opening / closing guide rail 40 in parallel with 0 at a predetermined interval,
40 is arranged, and the gate opening / closing guide rail 4040 is bent forward so as to correspond to the upper carry-out position 98 to form a curved portion 49.

In this example, the upper portion of the guide rail is assembled to a yagura, and a fixed pulley 51 for winding the skip raising and lowering wire is fixed immediately above the guide rail, and a wire winding device 50 driven by an electric motor is placed at an appropriate place on the ground. Is fixed.

A skip 2 is arranged between a pair of elevating guide rails 10, and the skip 2 is suspended by a wire 5 hanging from the pulley via a hanger 53 so that the skip 2 can be moved up and down. The hoisting device 50 performs a lifting operation.

3 and 4, a vertical sectional view of the skip 2 is shown, and a lateral sectional view of the skip 2 is shown in FIG.
Has a substantially quadrangular cross section, and an engaging shaft 56 for engaging the engaging holes at the tips of the suspension members 54 on both sides of the arm of the hanger 53 on the outer surface of the side faces 22 on both sides of the skip 2. , And a pulley for fixing the pulley 52 is supported by a rotating bearing at the midpoint of the arm of the hanger 53. On the pulley 52, the wire 5 is stretched between the fixed pulley and the wire winding device 50, and the wire 5 of the wire winding device 50 is paid out.
The skip 2 is moved up and down during the winding operation.

As shown in FIG. 5, a pair of guide rollers 11, 11 for sandwiching the elevating guide rail 10 from both sides is further provided on the outer surface of both side surfaces 22 of the skip 2, and the guide roller 11 is The upper and lower guide rails 10 are arranged in pairs one above the other and these guide rollers 11 are arranged.
The skip 2 is positioned in the horizontal direction via.

In FIGS. 3, 4 and 5, the skip body 2 is shown.
0 shows a vertical sectional view and a horizontal sectional view, the body 20 is substantially quadrangular in transverse cross section and is composed of a front surface 21, side surfaces 22 and 22 on both sides, and a rear surface 23. In addition, the bottom has a bottom surface 24 inclined forward,
An opening 26 is formed from the tip end of No. 4 to the front surface 21 to form a discharge port 26 for discharging earth and sand.

The gate means 3 is, in this example, an opening / closing plate 31 and a fan-shaped side plate 3 fixed vertically to both side edges of the opening / closing plate.
In this example, a tilting shaft hole 33 is provided at the center of the fan of both side plates 32 on one end side of the opening / closing plate 31.

Furthermore, a tilting shaft 39 is provided on the lower side of the discharge port 26, that is, on the front side of the tilted bottom surface 24, and the tilting shaft hole 33 provided with the fan-shaped side plate of the gate means is provided. And are pivotally supported by the tilting shaft 39 to form a hinge structure to form a pivotally supporting portion, and the gate means 3 is mounted so as to be tiltable around the tilting shaft 39.

When the gate means 3 is closed, as shown in FIG. 3, the opening / closing plate 31 closes the discharge port 26, and both fan-shaped side plates 32 are arranged rearward along the side surface 22 of the skip body. . In this state, the discharge port 26 is closed by the opening / closing plate 31, so that if the sand is loaded into the skip 2, it can be held in the cage as it is and can be conveyed upward.

When the gate means 3 is opened, as shown in FIG. 4, the opening / closing plate 31 falls forward by rotating around the tilting shaft 39, and at the same time, both fan-shaped side plates 32 rotate simultaneously with the opening / closing plate 31. Then, a gutter having the opening / closing plate 31 as the bottom and the side plate 32 as the wall is formed. In this state, the earth and sand in the skip 2 can be discharged from the discharge port 26 through the gutter.

At the other end of the opening / closing plate 31 opposite to the one end, a driven roller 4 as a driven member for gate opening / closing rolling on the surface of the gate opening / closing guide rail 40 is provided with a bearing member 41. Have been installed. In this example, as shown in FIG. 5, the driven rollers 4 and 4 for the gate correspond to the pair of left and right gate opening / closing guide rails 40 and the opening / closing plate 31.
One pair is arranged on the left and right at the other end of the.

The gate opening / closing guide rail 40 is installed upright from the position of loading the earth and sand in parallel with the elevating guide rail 10, and the skip 2 is moved up and down along the gate opening / closing guide rail 40. When doing, skip 2
The driven roller 4 of the attached gate means moves in contact with the rail surface of the gate opening / closing guide rail 40.
Then, as shown in FIG. 3, the gate opening / closing guide rail 40 causes the opening / closing plate 31 to discharge the opening 26 through the driven roller 4.
It is positioned so that it presses against and closes.

The gate opening / closing guide rail 40 is curved forward so as to be separated from the elevating guide rail 10 at the upper position for discharging the earth and sand, and the skip 2 is lifted to move the driven roller to the curved portion 49. When it arrives, Figure 4
As shown in, the driven roller 4 moves forward along the rail surface of the bending portion 49, and the opening / closing plate 31 of the gate means 3
With the tilting shaft 39 as a fulcrum, it falls down in front of the discharge port 26 and falls below the inclined bottom surface 24 to discharge the earth and sand in the body 20 from the discharge port 26 along the opening / closing plate 31.
Thus, if the curved portion 49 is provided at the position where the sediment is desired to be discharged, the soil in the skip 2 can be discharged at the curved portion.

In this example, a pedestal 6 is attached to the lower part of the bottom plate inclined to the skip, and the skip 2 is lowered to an underground loading position to place the pedestal 6 on a plane and place the skip. You can In this state, the entrance 2
From 5, the earth and sand can be added stably.

[0034]

The skip device of the present invention includes the gate means for opening and closing the discharge port of the body by providing the discharge port opened at the lower front surface of the skip, and the gate means can be opened and closed at the lower end of the discharge port. An opening / closing plate whose one end is pivotally supported, and a driven member which is disposed at the other end of the opening / closing plate and engages with the gate opening / closing guide rail so as to be movable up and down. Since the bottom plate of the gate means falls down forward of the discharge port when it engages with the curved portion, and discharges earth and sand and other discharged substances along the opening / closing plate from the discharge port. It is easy to discharge the discharged matter by opening and closing, and there is no need to skip or tilt the bucket when discharging the sand, and it prevents equipment failure due to this, and because it can be opened and closed with a simple mechanism, the skip device is simple At It can be.

If the driven member is a roller fixed to the other end of the opening / closing plate so as to be able to roll along the gate opening / closing guide rail, the gate opening / closing guide rail depends on the positional relationship of the roller with respect to the rail. Since the opening / closing plate can be opened / closed directly by the shape of, the discharge operation can be performed with a simple structure and with few failures.

The gate means has side plates joined to both side edges of the opening / closing plate, and when the opening / closing plate is opened, both side plates are provided on the front side of the discharge port. By forming the above, it is possible to surely discharge forward from the discharge port through the gutter including the opening / closing plate.

On the side of the body of the skip, up and down and on both sides,
If each pair of rollers is equipped with a pair of rollers that rolls or slides by sandwiching the lift guide rails to guide the skip lift, the guide rails will sway laterally. It is possible to prevent it and position it surely.

[Brief description of drawings]

FIG. 1 is a schematic perspective view of a skip device according to an embodiment of the present invention, showing a state in which earth and sand can be loaded even in a skip or lowest position.

FIG. 2 is a schematic perspective view of a skip device similar to that of FIG. 1, showing a state in which the skip is at the uppermost position and soil can be discharged.

FIG. 3 is a schematic vertical cross-sectional view of the skip according to the embodiment of the present invention when the gate is in a closed state.

FIG. 4 is a schematic vertical cross-sectional view of the skip according to the embodiment of the present invention when the gate is in an open state.

FIG. 5 is a schematic cross-sectional view of the skip according to the embodiment of the present invention when the gate is in a closed state.

FIG. 6 shows a schematic side view of a skip device according to an embodiment of the present invention.

[Explanation of symbols]

1 skip device 10 Lifting guide rail 2 skip 20 body 25 booth 24 Bottom plate 26 exit 3 gate means 31 Open / close plate 4 roller 40 Open / close guide rail 49 curved part

Claims (4)

[Claims] 1. A skip device including a skip, an elevating guide rail for guiding the skip up and down, and an elevating device for elevating the skip, wherein the skip has a loading port at an upper portion and is inclined forward at a lower portion. The elevator guide rail includes a bottom body which is provided with a bottom surface and communicates with the bottom surface and has a discharge opening opened at a lower portion of the front surface for accommodating sediments and other cargo to be carried out, and gate means for opening and closing the discharge opening of the protection body. A gate opening / closing guide rail provided with a curved portion at the upper part is arranged to open / close the gate means along the above, and the above-mentioned gate means is opened / closed with one end rotatably supported at the lower end of the discharge port. A gate and a driven member that is arranged at the other end of the opening / closing plate and engages with the gate opening / closing guide rail so as to be movable up and down. When the skip rises and the driven member engages with the bending portion, the gate is formed. Bottom of means A skip device in which a plate falls down in front of the discharge port and discharges the discharged product along the opening / closing plate from the discharge port. 2. The skip device according to claim 1, wherein the driven member is a roller that is fixed to the other end of the opening / closing plate and is rollable along a gate opening / closing guide rail. 3. The gate means has side plates joined to both side edges of the opening / closing plate and extending rearward and along the side surface of the body when closed, and both side plates are discharged when the opening / closing plate is opened. The skip device according to claim 1, wherein a gutter comprising an opening / closing plate and both side plates is formed on the front side of the skip device. 4. A skip body is provided with a pair of rollers on the upper and lower sides and on both sides thereof, and each pair of rollers rolls by sandwiching the elevation guide rail to roll the skip. The skip device according to claim 1, which guides the user.