JP2000191280A - Concrete transfer setting device - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To provide a concrete conveying and placing device capable of improving the moving speed of a bucket in a working radius direction. SOLUTION: A plurality of divided masts 3 sequentially stacked
20, an elevating frame 5 capable of ascending along the mast 20, a revolving frame 6 provided on the elevating frame 5, a jib 21 projecting substantially horizontally from the revolving frame 6, and a jib 21. And a trolley 22 that can traverse and move the bucket 9 for concrete transportation so as to be able to ascend and descend. The traverse of the trolley 22 improves the moving speed of the bucket 9 in the working radial direction.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a concrete conveying and placing apparatus.

[0002]

2. Description of the Related Art In recent years, the RCD method (Roller Co.
Construction of a dam embankment has been carried out by using a "mated concrete".

[0003] In this RCD method, concrete is cast in the form of a plane repeatedly, and a concrete embankment layer is stacked to construct a dam embankment.

FIGS. 4 to 6 show an example of a conventional concrete transporting and casting apparatus using the RCD method. The concrete transporting and casting apparatus includes a leg member 2 installed on a riverbed 1 and a leg member 2. A mast 4 composed of a plurality of divided masts 3 sequentially stacked on the mast 2, an elevating frame 5 which is fitted to the mast 4 and which can be sequentially raised according to the stacking of the divided masts 3, and provided on the elevating frame 5 A swivel frame 6 that is swiveled about a mast 4 and
A support 7 standing upright on the revolving frame 6, a jib 8 whose base end is pivotally supported on the upper portion of the support 7, a bucket 9 for transporting concrete, and a wire rope 10 A raising and lowering drum 11 for raising and lowering the jib 8 by winding and unwinding the wire; And

The elevating frame 5 has an upper lock mechanism 14 that can be fixed to the mast 4, a lower lock mechanism 15 that can be fixed to the mast 4 below the upper mast 4, and moves the lower lock mechanism 15 toward and away from the upper lock mechanism 14. Lifting mechanism 16
And

The revolving frame 6 is provided with an opening through which the split mast 3 is inserted. When the mast 4 is extended, the jib 8 is raised and the existing split mast positioned at the uppermost stage through the opening is opened. New split mast 3 on 3
And connect them.

When the lifting frame 5 is raised with respect to the mast 4, the lower locking mechanism 15 is opened with the upper locking mechanism 14 fixed to the mast 4, and the lower locking mechanism 15 is moved by the lifting mechanism 16 to the upper locking mechanism. 14 and with the lower lock mechanism 15 fixed to the mast 4, the upper lock mechanism 14 is opened, and the upper lock mechanism 14 is moved by the elevating mechanism 16 to the lower lock mechanism 15.
Is repeated.

A bunker line 17 extending from the batcher plant to the vicinity of the leg member 2 is laid on the riverbed 1, and the transfer car 1 traveling on the bunker line 17 is provided.
8 feeds the concrete to the concrete conveying and placing device.

[0009] In the concrete conveying and casting apparatus shown in Figs. 4 to 6, the turning frame 6 is turned, the bucket 9 is raised and lowered, and
The concrete transferred from the transfer car 18 to the bucket 9 is transported to a predetermined casting position by a combination of the undulation of the jib 8.

[0010]

However, in the concrete conveying and casting apparatus shown in FIGS. 4 to 6, the wire rope in which the weight of the jib 8 and the bucket 9 is wound around the sheave at the end of the jib 8 over a plurality of strips. Since it is supported by 10, the up-and-down operation of the jib 8 is slower than the up-and-down operation of the bucket 9 and the turning operation of the jib 8, and the moving speed of the bucket 9 in the working radius direction is slow.

The present invention has been made in view of the above-mentioned circumstances, and has as its object to provide a concrete conveying and placing apparatus capable of improving a moving speed of a bucket in a working radial direction.

[0012]

According to a first aspect of the present invention, a mast including a plurality of divided masts sequentially stacked and a mast formed along the mast are provided. Elevating frame capable of ascending and descending, a revolving frame provided on the elevating frame, a jib projecting substantially horizontally from the revolving frame, and a concrete transport bucket capable of moving transversely along the jib and raising and lowering And a trolley suspended from the trolley.

Further, in the concrete conveying and casting apparatus according to the second aspect of the present invention, a mast constituted by a plurality of divided masts which are sequentially stacked, an elevating frame capable of ascending along the mast, and an elevating frame A revolving frame provided thereon, a jib projecting substantially horizontally from the revolving frame, and a trolley capable of traversing along the jib and suspending a concrete transport bucket or the divided mast in a vertically movable manner. There is provided a divided mast stage that projects substantially horizontally from the elevating frame, and a suspension mast provided on the turning frame so as to be located above the divided mast stage.

Further, in the concrete conveying and placing apparatus according to the third aspect of the present invention, in addition to the configuration of the concrete conveying and placing apparatus according to the first or second aspect of the present invention, a mast is placed. It is provided with a platform that can be obtained and that can move on the riverbed.

[0015] In any of the concrete conveying and placing apparatuses according to the first to third aspects of the present invention, the trolley capable of moving the concrete conveying bucket in a transverse direction along a jib projecting substantially horizontally from the turning frame. Hanging on
Improve the moving speed of the bucket in the working radius direction.

Further, in the concrete conveying and placing apparatus according to the second aspect of the present invention, the divided mast used for extending the mast is lifted by the trolley and mounted on the divided mast mounting table by rotating the revolving frame. Then, the divided mast on the divided mast stage is pulled up onto the revolving frame by the hanging mast.

Further, in the concrete conveying and casting apparatus according to the third aspect of the present invention, the mast, the lifting frame,
The revolving frame and the jib are moved integrally by the gantry so as to expand the moving range of the bucket.

[0018]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 shows a first embodiment of a concrete conveying and casting apparatus according to the present invention. In the drawings, the same reference numerals as in FIGS. 4 to 6 denote the same parts.

This concrete transporting and casting apparatus includes a gantry-shaped gantry 19 capable of moving the riverbed 1, a mast 20 composed of a plurality of divided masts 3 sequentially stacked on the gantry 19, and a mast 20. A lifting frame 5 that can be moved up and down, a revolving frame 6 provided on the lifting frame 5, and a support table 7 erected on the revolving frame 6 so as to be pivotable so as to be able to move up and down. The vehicle includes a jib 21 that projects substantially horizontally, and a trolley 22 that can traverse along the jib 21 and hangs the concrete transport bucket 9 up and down.

On the revolving frame 6, a wire rope 10
A hoisting drum 11 for raising and lowering the jib 8 by winding and unreeling, a lifting drum 13 for raising and lowering the bucket 9 with respect to the trolley 22 by winding and unreeling a wire rope 12, and winding and unreeling a wire rope 23. Traversing drum 2 for causing trolley 22 to traverse
4 are installed.

In the concrete conveying and placing apparatus of the present invention shown in FIG. 1, the turning of the turning frame 6, the lifting and lowering of the bucket 9,
The concrete transferred from the transfer car 18 to the bucket 9 is transported to a predetermined casting position by a combination of the trolley 22 and the trolley 22 traversing.

As described above, in the concrete conveying and casting apparatus shown in FIG. 1, the concrete conveying bucket 9 is suspended from the trolley 22 which can traverse along the jib 21 projecting substantially horizontally from the revolving frame 6. , Bucket 9
Is performed by turning the jib 21 and traversing the trolley 22, so that the moving speed of the bucket 9 in the working radial direction can be improved.

Further, since the mast 20, the lifting frame 5, the revolving frame 6, and the jib 21 are integrally moved by the gantry 19, the moving range of the bucket 9 can be expanded. Shortening,
The concrete can be directly transferred from the batcher plant to the bucket 9 without using the bunker line 17 and the transfer car 18.

FIGS. 2 and 3 show a second embodiment of the concrete conveying and casting apparatus according to the present invention.
4 to 6 represent the same parts.

This concrete transporting and casting apparatus has a mast 4 composed of a leg member 2 installed on a riverbed 1 and a plurality of divided masts 3 sequentially stacked on the leg member 2.
And an elevating frame 5 that can ascend along the mast 4,
A revolving frame 25 provided on the elevating frame 5, a jib 27 protruding substantially horizontally from a support 26 standing upright on the revolving frame 25, and a traverse movable along the jib 27 for concrete transportation. A bucket 9 or a trolley 28 for suspending the divided mast 3 so as to be able to move up and down.

The lifting frame 5 is provided with a divided mast table 29 which projects substantially horizontally in a direction perpendicular to the plane of FIG. 2, and the revolving frame 25 is located above the divided mast table 29. Hanging mast 30 to obtain
Is provided.

As shown in FIG. 3, the suspension mast 30 has a gate-shaped mast body 32 whose base is pivotally supported on the upper surface of the revolving frame 25, and an opening of the revolving frame 25 at the tip end of the mast body 32. Beam 33 provided so as to be located above and projecting substantially horizontally in the direction of divided mast table 29
And a lifting machine 34 that can move along the beam 33 and hangs the divided mast 3 up and down.

The mast main body 32 has a distal end connected to the upper end of the A frame 25 a on the revolving frame 25 and is configured to support the jib 27 substantially horizontally via the stay wire 31.

Further, on the revolving frame 25, a lifting drum 13 for raising and lowering the bucket 9 with respect to the trolley 28 by winding and unwinding the wire rope 12, and a trolley 28 by winding and unwinding the wire rope 23.
Is traversed.

In the concrete conveying and casting apparatus of the present invention shown in FIGS. 2 and 3, the jib 27 is turned in the horizontal direction by turning the revolving frame 25, the bucket 9 is raised and lowered, and the trolley 28 is moved in a horizontal direction. Then, the concrete transferred from the transfer car 18 to the bucket 9 is transported to a predetermined casting position.

When the mast 4 is extended, the divided mast 3 used for extending the mast 4 is lifted by the trolley 28, and the revolving frame 25 is turned to rotate the jib 27 so that the mast 4 is placed on the divided mast table 29. After placing, beam 3
The lifting mast 30 of the hanging mast 30 moved onto the divided mast table 29 along 3
9 is lifted and pulled onto the revolving frame 25, and the divided mast 3 is further moved to the revolving frame 25.
And is mounted on the existing divided mast 3 located at the uppermost stage and connected.

As described above, in the concrete conveying and casting apparatus shown in FIGS. 2 and 3, the concrete transport bucket 9 is mounted on the trolley 28 which can move in a transverse direction along the jib 27 projecting substantially horizontally from the revolving frame 25. Hanging,
The lateral movement of the bucket 9 is controlled by turning the jib 27 and the trolley 2.
8, the moving speed of the bucket 9 in the working radial direction can be improved.

Further, the divided mast 3 used for extending the mast 4 is lifted by the trolley 28 and is mounted on the divided mast table 29 by rotating the revolving frame 25, and then is lifted by the lifting machine 34 of the hanging mast 30. Since the divided mast 3 on the divided mast table 29 is lifted above the revolving frame 25, the efficiency of the mast extension operation can be improved.

Further, since a part of the load on the jib 27, the trolley 22, and the bucket 9 is supported by the stay wire 31, the load on the jib 27 and the support base 26 is reduced, and the structure thereof can be simplified. Become.

It should be noted that the concrete conveying and casting apparatus of the present invention is not limited to the above-described embodiment.
For example, the frame shown in FIG. 1 and the leg member shown in FIG. 2 are exchanged, and various changes can be made without departing from the scope of the present invention.

[0037]

As described above, according to the concrete conveying and casting apparatus of the present invention, various excellent effects as described below can be obtained.

(1) In any of the concrete conveying and placing apparatuses according to the first to third aspects of the present invention,
Since the concrete transport bucket is hung on a trolley that can traverse along a jib projecting substantially horizontally from the revolving frame, the moving speed of the bucket in the working radial direction can be improved.

(2) In the concrete conveying and casting apparatus according to the second aspect of the present invention, the divided mast used for extending the mast is lifted by the trolley and mounted on the divided mast mounting table by rotating the turning frame. After that, the divided mast on the divided mast placing table is pulled up on the revolving frame by the hanging mast, so that the efficiency of the mast extension operation can be improved.

(3) In the concrete conveying and casting apparatus according to the third aspect of the present invention, the mast, the elevating frame, the turning frame, and the jib are integrally moved by the gantry, so that the moving range of the bucket is expanded. Can be achieved.

[Brief description of the drawings]

FIG. 1 is a side view showing a first example of an embodiment of a concrete conveying and placing device of the present invention.

FIG. 2 is a side view showing a second example of the embodiment of the concrete conveying and placing device of the present invention.

FIG. 3 is a front view of the suspension mast associated with FIG. 2;

FIG. 4 shows RC using a conventional concrete conveying and placing device.
It is the whole figure which shows the D construction method.

FIG. 5 is a plan view related to FIG. 4;

FIG. 6 is a side view showing an example of a conventional concrete conveying and placing apparatus related to FIG.

[Explanation of symbols]

 3 Split mast 4 Mast 5 Elevating frame 9 Bucket 19 Mount 20 Mast 21 Jib 22 Trolley 25 Swivel frame 27 Jib 28 Trolley 29 Split mast table 30 Lifting mast

 ──────────────────────────────────────────────────の Continuing on the front page (72) Inventor Kimio Nishito 2-2-1 Otemachi, Chiyoda-ku, Tokyo Ishikawajima-Harima Heavy Industries, Ltd. F-term (reference) 3F202 AA01 AA04 3F203 AA10 BA01 CA02 EA01 FA01 3F205 AA05 AB01 BA01 CA05 CA06 CA09 DA03

Claims (3)

[Claims] 1. A mast comprising a plurality of divided masts which are sequentially stacked, an elevating frame capable of ascending along the mast, a turning frame provided on the elevating frame, and projecting substantially horizontally from the turning frame. Jib to
A trolley capable of traversing along the jib and suspending a concrete transport bucket so as to be able to move up and down. 2. A mast comprising a plurality of divided masts which are sequentially stacked, an elevating frame capable of ascending along the mast, a turning frame provided on the elevating frame, and projecting substantially horizontally from the turning frame. Jib to
A trolley capable of traversing along the jib and suspending the concrete transport bucket or the divided mast so as to be able to ascend and descend, a divided mast pedestal projecting substantially horizontally from the elevating frame, and an upper part of the divided mast pedestal And a suspension mast provided on the revolving frame so as to be positioned. 3. The concrete transporting and casting apparatus according to claim 1, further comprising a gantry on which a mast can be placed and which can move on a riverbed. Transfer casting device.