JP2002371784A - Kibble exchanging device of vertical shaft boring facility - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a kibble exchanging device of a vertical shaft boring facility allowing even an unskilled operator to easily and safely exchange a kibble from a scaffold. SOLUTION: The kibble exchanging device includes: a rope movement means 20 for moving a suspension position while in engagement with a kibble rope 24, between a changing position X on a mucking passage and a space above a first or second muck loading position Y or Z set at the bottom of a shaft; and a kibble suspension means 19 provided with a connector 25 and a connection receiver 26 both of which can be removably attached to a portion of the kibble rope 24 having a suspension hook 22 attached to its tip. The connector 25 is initially connected via the suspension hook 22 to each of kibbles 17A and 17B to be changed, and a connection/disconnection control part for making a connection or disconnection by operation of control ropes 30 and 32 from a scaffold 4 is provided between the connector 25 and the connection receiver 26.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a kibble exchanging device for exchanging a plurality of kibbles equipped to carry excavated waste out of a shaft and operating them on a scaffold to alternately use the kibbles. In particular, the present invention relates to a kibble exchanging apparatus that enables easy and safe kibble exchanging work on a scaffold.

[0002]

2. Description of the Related Art As a conventional technique of slipping using kibbles, a plurality of (usually two) kibbles are alternately arranged so that one kibble performs a slip stacking operation while the other kibble performs a slipping operation. There is a kibble exchange method in which the kibble is exchanged and used, and a 1 kibble method in which kibble exchange is not performed by using one large kibble having a large capacity.

[0003]

In the case of the kibble exchange system, the stacking operation is performed continuously with little interruption and the operation efficiency is good. However, an apparatus for exchanging kibble is required. In addition, there is a problem that the kibble replacement operation requires a skilled worker.

[0004] In particular, moving the kibble rope sideways on the scaffold to move the hanging position, or descending to the bottom of the pit and manually suspending the hanging hooks on the kibble, requires improvement in working efficiency and safety work. Improvement was also desired from the viewpoint of securing of

The one-kibble method has the advantages that no equipment for exchanging kibble is required, and that the kibble operation does not require a skilled operator. Increases the cost of equipment, and as the depth of the shaft increases, the interruption time of the shearing work increases,
There were problems such as a decrease in work efficiency.

Therefore, the present invention solves the above-mentioned problems while making use of the advantages of the conventional kibble exchange system, and allows a non-skilled worker to easily and safely perform the kibble exchange operation from a scaffold. Provided is a kibble exchange device for a drilling facility.

[0007]

According to the present invention, there is provided a kibble exchanging apparatus for a shaft excavation facility, which comprises: an excavating passage between an exchanging position and a first or second heaping position set at a bottom of a shaft; A rope moving means for engaging the kibble rope to move the suspension position, and a kibble suspending means provided with a detachable connecting tool and a connecting receiver in the middle of the kibble rope having a hanging hook attached to the tip thereof; The fixture side is connected to each kibble to be exchanged in advance via a hanging hook, and a detachable control unit that connects or disconnects by operating a control rope from above the scaffold is provided between the coupler and the coupling receiver. Was.

[0008] In this kibble changing apparatus, while the shearing operation is performed by one kibble, the shearing operation is continuously performed by the other kibble. In addition to good working efficiency and other effects, the hanging position of the kibble by the kibble rope from the scaffold can be easily moved between the exchange position and the stacking position on the slip-out passage.

In particular, since the entire kibble replacement operation is performed by operation on the scaffold without the worker having to go down to the bottom of the pit to perform the replacement operation, the work efficiency can be improved and the safety work can be ensured. Since the actual kibble is not placed or moved on the scaffold, a large load is not applied and the scaffold hoist can be miniaturized, and a wide working space for workers on the scaffold can be secured.

The kibble suspending means in the kibble exchanging device has a cylindrical receiving member whose lower end is gradually reduced in diameter, and a coupling receiving member fitted with a slide cotter on the inner periphery which expands and contracts by moving up and down. And a control rope suspended by a hoisting device, and one control rope suspended by a hoisting device is connected to the upper end of the connecting device. An attachment / detachment control unit connected to the upper end side may be provided, and an attachment / detachment tool for vertically separating the rope may be provided in the middle of one control rope.

[0011] In this kibble exchange device, by operating each control rope provided in the detachable control unit on the scaffold,
Even a non-skilled worker can quickly and reliably attach and detach the connecting tool from the connecting receiver, easily replace the empty kibble and the actual kibble, and provide the kibble suspension means at a low cost with a simple configuration. can do.

[0012] The rope moving means in the kibble exchanging device is provided with a rope guide for engaging the kibble rope at the distal end, and a swivel arm having a base end pivotally supported on a scaffold;
One end is connected to the base end of the swivel arm, and a swivel jack that swivels the swivel arm by the expansion and contraction of the rod, and a rope guide attached to the distal end of the swivel arm are raised and lowered to match the moving direction of the suspension point. It can take the form provided with the jack for use.

[0013] In this kibble changing device, the swinging point (hanging position) of the kibble rope is easily and safely moved between the changing position and the respective stacking positions by operating the turning jack and the hoisting jack on the scaffold. In addition, the rope moving means can be provided at a low cost with a simple configuration.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a kibble exchanging apparatus for a shaft excavation equipment according to the present invention will be described in detail with reference to the accompanying drawings showing a preferred embodiment. FIG. 1 shows a shaft excavation equipment to which the present invention is applied. FIG. 2 is a right side view of the front view, FIG. 3 is an operation explanatory view of the kibble suspending means as a main part, FIGS. 6 and 7 are operation explanatory views of a rope moving means as an essential part, FIGS. FIG. 4 is an explanatory diagram of an operation of kibble exchange performed using the apparatus of the present invention.

The shaft excavation equipment makes it possible to move a scaffold 4 suspended in a shaft 3 by a rope 2 wound around a sheave 1 by operating a hoisting machine on the ground and to use a movable formwork 5. A plurality of grippers 7 extending and contracting in the horizontal direction can be locked and held on the lining concrete 6 cast on the inner surface of the excavation, and the scaffold 4 is composed of the upper deck 8, the middle deck 9, and the lower deck 10. It consists of a step deck.

On the scaffold 4, an elevator platform 12 for an operator's elevator 11 suspended from the ground, a ladder 13 for the operator to move between decks and to the bottom of the pit, and a hopper for placing concrete Necessary equipment such as a shaft chute 14, which is a rotary chute 15, a shear loading machine 16, and the like are mounted.

There are two kibble 17 (17A,
17B) is provided. In order to secure a protruding passage for the kibbles 17A and 17B to and fro with the ground, cutout through holes 18 for the kibble are provided in each deck of the scaffold 4.
First and second shelving positions Y and Z where the kibbles 17A and 17B are alternately placed on the pit bottom are set in advance on both sides of the exchange position X on the shelving passage.

The kibble 17 is suspended by the kibble suspending means 19 at the exchange position X on the slide-out passage, and the suspension position (hanging point) of the kibble 17 is changed to the exchange position X and the first pile position Y.
A rope moving means 20 is provided on the lower deck 10 for moving the upper deck or the second stacking position Z, and the kibble suspending means 19 and the rope moving means 20 constitute a main part of the kibble changing apparatus. .

The kibble suspending means 19 connects the upper end of the hanging hook 22 which is locked and held to the hanging handle 21 of the kibble 17 and the lower end of the kibble rope 24 suspended from the ground to a male connecting member 25 and a female. The connecting member 25 is attached to the hanging hook 22 via a relay rope 27 and a rope fixing member 28, and the connecting receiving member 26 is connected to the kibble rope 24 via a rope fixing member 29. Attach to

The connecting member 25 has a spindle shape with an intermediate portion protruding and has a hoisting device 23 (2) such as an electric hoist on the upper end side.
3A), a control rope 30 suspended by the control rope 30 is attached and the connecting tool 25 can be moved up and down by operation of the hoisting device 23A. 32 is separated vertically so that it can be separated from the connecting tool 25 and the connecting receiving tool 26.

The connection receiving member 26 includes a cylindrical receiving body 26a whose lower end is gradually reduced in diameter, a slide cotter 26b formed of a plurality of (three in the drawing) arc-shaped wedge pieces, and a receiving member. A connecting portion 26c provided on both sides of the upper end of the main body 26a is provided. A hoisting device 23 (23B) such as an electric hoist or a control rope 32 which is manually pulled up is connected to each wedge piece of the slide cotter 26b. 26c is connected to the rope fixing tool 29.

The kibble suspending means 19 is connected to a rope fixing tool 29 via a connecting portion 26c, and the connecting receiving tool 26 is connected to the kibble rope 24 which is prevented from swinging by a rider receiver 33 fitted to the rope fixing tool 29. The connecting tool 25 mounted and accommodated in the connecting receiving tool 26 is held and held by being narrowed by the respective wedge pieces of the slide cotter 26b in the reduced state at the lowered position. (Fig. 3)

In the state shown in FIG. 3, when the hoisting device 23A is hoisted to tension the control rope 30 to pull up the connecting member 25, and when the hoisting device 23B is hoisted or manually operated to pull up the control rope 32, the catch Body 2
The slide cotter 26b is lifted up along the tapered surface in 6a, and the slide cotter 26b is in an expanded state at the raised position. (FIG. 4)

When only the control rope 30 is loosened by unwinding the hoisting device 23A from the state shown in FIG.
Reference numeral 5 denotes a structure which is dropped from the inside of the connection receiving member 26 (FIG. 5). The control rope 30 including these attaching / detaching members 31 and the hoisting device 23A, and the hoisting device 23B or the sliding operation of the connecting receiving member 26 by manual lifting operation. The control rope 32 that expands and contracts the cotter 26b constitutes a detachment control unit for the coupling tool 25 and the coupling receiving tool 26.

The rope moving means 20 is provided with a rope guide 34 for the kibble rope 24 at a distal end thereof via a link mechanism 35, and a pivot arm 37 pivotally supported on the lower deck 10 by a rotation support base 36 on the lower deck 10. , A turning jack 3 having an extendable rod connected to the base end of the turning arm 37
8 and the link mechanism 3
5, a jack 39 for raising and lowering the rope guide 34
And

A first guide roller 41 disposed along an extension of the swivel arm 37 and a second guide roller 42 disposed orthogonal to the first guide roller 41 are attached to the rope guide portion 34 on a mounting base 43. The guide rollers 41 and 42 are engaged with the kibble rope 24 in the state shown by the solid line, and the swinging operation of the swing arm 37 by the swing jack 38 changes the suspension position of the kibble 17 to the first stacking position. It is moved on Y or on the second stacking position Z.

When the swing arm 37 is turned to move the suspension position, the guide rollers 41 and 42 take in and engage with the kibble rope 24 so that the kibble rope 24 can be pushed out or pushed back.
In contrast, the rope guide portion 34 can be disposed adjacent to the side opposite to the moving direction of the suspension position.

That is, when the rope guide portion 34 is set so as to be adapted to the movement of the suspension position between the exchange position X and the first stacking position Y, the turning direction is opposite to that of the second exchange position X.
Since the guide rollers 41 and 42 cannot be engaged with the kibble rope 24 when the suspension position is moved between the stacking positions Z, the rope guide portion 34 is temporarily changed to a virtual line state by operating the jack 39 for raising and lowering. Fold the kibble rope 24
After exchanging the positional relationship between the rope guide 34 and the rope guide 34, the rope guide 34 is returned to the solid line position.

As described above, the kibble exchanging device is constituted by the kibble suspending means 19 and the rope moving means 20 as main parts, and two kibbles 17 (1) are used by using this kibble exchanging device.
7A, 17B) is operated on the scaffold 4 to carry out the exchanging work while exchanging the kibble, and the construction procedure will be described with reference to FIGS.

In each of these figures, one kibble 17A is in an empty state (hereinafter referred to as an empty kibble 17A) and the other kibble 17B is in a loaded state (hereinafter referred to as an actual kibble 17B). The hanging rope 21 of the kibble 17 has a control rope 3 including a hanging hook 22 and a connector 25 in advance.
0 is connected to the lower side (30b).

In procedure 1 of FIG. 8A, the empty kibble 17A
Is suspended by the kibble rope 24 via the kibble suspending means 19, the suspension position is at the exchange position X on the protruding passage by the rope moving means 20, and the actual kibble 17B is at the second shelving position Z. Shows the state, worker 4
4 performs the connecting operation of the attachment / detachment tool 31 to connect the upper side (30a) and the lower side (30b) of the control rope 30.

In the procedure 2 shown in FIG. 8B, the operator 44 operates the turning jack 38 of the rope moving means 20, and the turning operation of the turning arm 37 changes the suspended position of the empty kibble 17A from the exchange position X to the fourth position. A state in which the kibble rope 24 is rewound, the empty kibble 17A is hung down, and the kibble rope 17A is landed on the first bottom stacking position Y at the bottom of the pit after being moved to the first stacking position Y.

In step 3 of FIG. 8C, the empty kibble 17A
After landing, the kibble rope 24 is further rewound to bring the hanging handle 21 to the sideways position, and the hoisting devices 23A and 23B are operated to wind the control ropes 30 and 32.
This shows a state in which the suspension hook 2 is attached to the connection receiving member 26 attached to the kibble rope 24 side.
The connecting tool 25 attached to the second side is in a detachable state.

In step 4 of FIG. 9A, the control rope 32
In the state where the tension is maintained, the winding device 23A is rewound, the control rope 30 is loosened, and the connecting tool 25 is dropped from the connecting receiving tool 26 (see FIG. 5). Is released, and the lower side (30b) of the control rope 30 is removed from the connection receiver 26.

In step 5 of FIG. 9B, the swing arm 37 is operated by the swing jack 38 to move the suspension position of the kibble rope 24 to the replacement position X, and then the actual kibble 17B is moved.
The lower side (30b) of the control rope 30 connected to the hanging handle 21 is inserted through the connection receiving member 26 to remove the attachment 31.
Is connected to the upper side (30a), and the positional relationship between the kibble rope 24 and the rope guide portion 34 (the rope guide portion 34 on the right side of the kibble rope 24) is exchanged.

9C shows a state in which the swing arm 37 is operated by the swing jack 38 to move the suspension position of the kibble rope 24 from the exchange position X to the second stacking position Z. However, the kibble suspension means at this time is in the state of FIG.

In step 7 of FIG. 10 (a), the kibble rope 24 is once rewound to a loosened state, and the hoisting devices 23A and 23B are hoisted to control ropes 30 and 23.
When the connection 32 is tightened, the connection tool 25 can be fitted to the connection receiving tool 26 attached to the kibble rope 24 (see FIG. 4).

Thereafter, the kibble rope 24 is wound up and tightened, and the control ropes 30 and 32 are loosened to connect the connecting member 25 to the connecting receiving member 26 in a tightened state (see FIG. 3). In step 8, the kibble rope 24
Is lifted to lift the actual kibble 17B on the second stacking position Z, in which case the control ropes 30 and 32
Should be loosened.

In step 9 of FIG. 10C, the swing arm 37 is operated by the swing jack 38 to move the suspension position of the kibble rope 24 to the replacement position X.
After the control ropes 30 and 32 are separated from the connection tool 25 and the connection receiving tool 26 by separating the connection ropes 0 and 32 from each other by releasing the connection of the attachment / detachment tools 31 and 40, the control ropes 30 and 32 are separated from each other through the slip-out passage including the kibble through hole 18. The actual kibble 17B is transferred to the ground.

Empty kibble 1 placed at first stacking position Y
7A, the shedding operation by the shed loading machine 16 is started. During this time, the actual kibble 17B transferred to the ground is discharged from the shed, and then again moved to the exchange position X via the shed passage.
After that, the stacking and unloading operations are sequentially repeated by the same operation as the procedures 1 to 9.

At this time, the kibble placed at the first stacking position Y becomes a new real kibble 17B, and the kibble carried into the exchange position X becomes a new empty kibble 17A, and a new empty kibble 17A. Is placed at the second stacking position Z from the exchange position X, and a new real kibble 17B is transferred from the first stacking position Y to the ground via the exchange position X via the exchange position X.

[Brief description of the drawings]

FIG. 1 shows a front view of a shaft excavation equipment equipped with a kibble changing device according to the present invention.

FIG. 2 shows a side view of a shaft excavation facility equipped with a kibble changing device according to the present invention.

FIG. 3 is an explanatory view of the operation of the kibble suspending means which is a main part of the present invention, and shows a state where the connecting tool is connected to the connecting receiver.

FIG. 4 is an explanatory view of the operation of the kibble suspending means which is a main part of the present invention, and shows a state in which the coupling tool can be dropped from the coupling receiver.

FIG. 5 is an explanatory view of the operation of the kibble suspending means which is a main part of the present invention, and shows a state where the connecting tool is dropped from the connecting receiving tool.

FIG. 6 is an explanatory view of the operation of the rope moving means which is a main part of the present invention, and shows the whole in a plan view.

FIG. 7 is an explanatory view of the operation of the rope moving means, which is a main part of the present invention, and shows an enlarged side view of the main part.

FIG. 8 is an operation explanatory view of the kibble exchange performed using the kibble exchange apparatus according to the present invention, showing operation procedures 1 to 3;

FIG. 9 is an operation explanatory diagram of the kibble exchange performed using the kibble exchange device according to the present invention, showing operation procedures 4 to 6.

FIG. 10 is an operation explanatory view of the kibble exchange performed using the kibble exchange apparatus according to the present invention, showing operation procedures 7 to 9;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Sheep 2 Rope 3 Vertical shaft 4 Scaffold 5 Moving formwork 6 Lining concrete 7 Gripper 8 Upper deck 9 Middle deck 10 Lower deck 11 Elevator 12 Elevating platform 13 Ladder 14 Hopper 15 Rotating chute 16 Loading machine (shaft mucker) 17 Kibble (17A, 17B) 18 Kibble through hole 19 Kibble hanging means 20 Rope moving means 21 Hanging handle 22 Hanging hook 23 Hoisting device (23A, 23B) 24 Kibble rope 25 Connecting tool (male) 26 Connecting receiver (female) 27) Relay rope 28 Rope fixing tool 29 Rope fixing tool 30 Control rope 31, 40 Detachable tool 32 Control rope 33 Rider receiver 34 Rope guide 35 Link mechanism 36 Rotation support 37 Swivel arm 38 Swivel jack 39 41 guide rollers 43 mount X exchange position Y first shear loading position Z second shear loading position

Claims (3)

[Claims] 1. A rope moving means for engaging a kibble rope to move a suspension position between an exchange position on a take-off passage and above a first or second shelving position set at a pit bottom, and A detachable connector and a kibble suspending means provided with a connection receiver in the middle of a kibble rope with a hanging hook attached to the tip, and the connector side is connected to each kibble to be exchanged in advance via the hanging hook. A kibble exchanging device for a shaft excavation facility, further comprising a detachable control unit for connecting or disconnecting by operating a control rope from above the scaffold between the connecting tool and the connecting receiving tool. 2. The connecting device according to claim 1, wherein said kibble suspending means comprises a cylindrical receiving member having a lower end gradually reduced in diameter and a sliding cotter mounted on the inner periphery thereof, said sliding cotter being adapted to expand and contract by moving up and down. A spindle-shaped connecting tool that is detachable from the cotter, and one control rope suspended by the hoist is connected to the upper end of the connecting tool, and the other control rope that is manually lifted by the hoist is connected to the upper end of the slide cotter. And a detachable control unit connected to the control rope, wherein a detachable tool for separating the rope vertically is provided in the middle of one of the control ropes.
Kibble replacement equipment for shaft excavation equipment as described in (1). 3. The rope moving means is provided with a rope guide at the distal end for engaging with a kibble rope, and a pivot arm having a base end pivotally supported on a scaffold, and one end connected to the base end of the pivot arm. And a swing jack for swinging the swing arm by extension and contraction of the rod, and a jack for swinging the rope guide mounted on the tip end side of the swing arm so as to be adapted to the moving direction of the suspension point. Item 2. A kibble exchanging device for a shaft excavation facility according to Item 2.