JPH1130097A - Material carrying elevator for shield machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate the transshipping working of materials for excavation under a shaft, by providing a pawl on the bottom part of an elevator to lift the materials for excavation so as to be housed at a prescribed bottom part position, ascending and descending the elevator in the shaft, in addition, performing landing by frontward projecting it and reversely lifting the materials for excavation landed. SOLUTION: The case of an elevator main body 2 is ascended and descended while it is guided by a guide rail lowered from the ground along a shaft. At least two horizontal pawls 3 exist on the bottom part of the case, the claw loads materials for excavation (segment) 4 to be moved upward and downward, right and left and ahead and behind. The width of the claw is at least smaller than that of the elevator main body 2 and has sufficient width to load the segments 4. The claw 3 loading the materials for the excavation (segment) 4 is biased slightly more upward and leftward than the bottom part, projected slightly frontward, and the segments 4 being descended in the shaft are loaded on a carrier 5 so as to be carried to a cutting face.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shield excavating equipment transport elevator for transporting underground shield excavating equipment, for example, a segment between the ground and an excavation pit.

[0002]

2. Description of the Related Art
In underground shield excavation, as a shield excavation segment transfer device that conveys a segment forming a dug pit between the ground and the excavation pit, for example, by using a portal crane installed on the ground, the segment is excavated from the ground The segment lowered under the shaft while being lifted up and down between the shafts leading to the shaft is transferred between the position directly below the crane and the entrance of the excavation shaft by a so-called traversal truck that can be transported in the horizontal direction provided under the shaft. Was to do.

[0003] However, there are the following problems in the transfer apparatus or transfer method for transferring a section by hanging the section from the ground down to the shaft or from the shaft down to the ground using the crane.

[0004] Rolling of a shield, which is a digging machine, occurs, which causes not only inefficient lifting and lowering but also danger.

[0005] It is difficult for workers operating the crane on the ground to see the movement of the excavating equipment.

[0006] The sound of the signal does not reach.

[0007] When an unexpected accident such as a broken wire or a drop of excavating equipment occurs, it is extremely dangerous for a worker under the shaft.

On the other hand, the truck is lowered to the down shaft by a segment lifting elevator with the truck mounted on a bogie having a function of automatically running the segment from the ground, and further, the bogie is automatically moved from the down shaft to the face portion to be conveyed. It has been known.

[0009] In the transfer apparatus or transfer method for loading and transferring such segments on a truck capable of automatic traveling, the traveling direction of the truck is restricted, and the transport direction cannot be changed to a substantially right angle in a narrow space. As a result, there is no flexibility in selecting a transport location and it is difficult to temporarily evacuate.
Work was likely to be inefficient.

[0010] In view of the above problems, the present invention is directed to the following.

Eliminating the dangers as seen in lifting and lowering equipment by a crane, and improving the efficiency of transshipment work of equipment (segments).

A device for loading a truck on an elevator and loading a segment on the truck to raise and lower the load increases the manufacturing cost, and the device becomes larger and heavier.

[0013]

According to a first aspect of the present invention, a claw is provided at the bottom of an elevator for loading excavating equipment and moving up and down a shaft, and the claw at the bottom of the elevator lifts the equipment and lifts the elevator. Projecting forward, and landing the equipment at a predetermined location where the nail can reach. Also, it is assumed that the pawls are not set to the full width of the elevator, but are set to have a width that allows for left and right movement. Conversely, the landing gear is lifted by the claw, and the claw loaded with the equipment fits in the fixed position at the bottom of the elevator. The nails are loaded and unloaded while repeating the movement of the nails.

According to a second aspect of the present invention, in the elevator for transporting excavating equipment according to the first aspect, the elevator is limited so that the elevator cannot be driven unless the claw is located at a fixed position at the bottom of the elevator. The third aspect of the present invention provides the excavating equipment transport elevator according to the first or second aspect, in which, for example, a claw is provided at a bottom of the elevator so that a human can easily identify whether the elevator is in a drivable state or a non-drivable state. When it is in the predetermined position, the blue lamp is turned on, and when the claw is not in the predetermined position at the bottom of the elevator and the elevator cannot be driven, the red lamp is turned on to notify the state. And

According to the excavating equipment transport elevator of the present invention, the claw built in the bottom of the elevator can easily unload and unload the transport equipment, and can be pulled out back and forth. Equipment can be transported efficiently and safely even in shield work at depth.

[0016]

BRIEF DESCRIPTION OF THE DRAWINGS FIG.
The excavating equipment transport elevator will be described. FIG.
It is a perspective conceptual view of the excavating equipment conveyance elevator.

While being guided by the guide rail 1 lowered from the ground along the shaft, the box of the elevator 2 main body is moved up and down in the shaft by, for example, a portal crane. At the bottom of the box of the main body of the elevator 2, there are at least two horizontal claws 3 which can move up and down, left and right, and back and forth with a digging machine (segment) 4 placed thereon. Therefore, the width of the pawl is at least smaller than the width of the box of the elevator main body and is large enough to mount the segment.

The figure shows a case where the claw 3 loaded with the excavating equipment 4 protrudes slightly above the bottom and slightly to the left on the left side. The segment 4 descending down the mine in this way is placed on a carriage 5 moving on a rail 6 laid in front of the elevator 2 toward the face, and is conveyed to the face.

FIG. 2A shows an elevator drive (for ascending and descending).
The operation panel 7 is located inside the elevator 2 and the luggage operation panel 8 is located outside the elevator 2. When the claw 3 is at a predetermined position at the bottom of the elevator 2, the blue display lamp 9 is turned on, and the elevator is driven. FIG. 4B is a diagram in which the elevator is raised and lowered by the operation panel 7, and FIG. 8B is a diagram in which the red lamp 10 is turned on when the claw 3 is located at a position other than the predetermined position, and the luggage operation panel 8 moves and unloads the luggage. It is. It is assumed that the link between the color of the lamp and the movement of the elevator is adopted. (C) is nail 3
FIG. 4 is a diagram showing that when the is located at a predetermined position on the bottom of the elevator 2, the claw 3 is fitted so as to be flush with the bottom of the elevator 2. This is because the claws 3 do not get in the way when a person rides.

In addition to the above, the safety door of the elevator 2, the start and stop of the guide rail, and the safety fence at the landing portion, and all the functions provided in a normal equipment transport elevator are of course provided.

FIG. 3 is a diagram showing a procedure for loading a segment in order.

(1) The claw 3 has just been put out of the vehicle by the luggage operation panel 8 on the ground. In this case, the red lamp 10 is lit.

(2) (3) The segment 4 is loaded by the portal crane.

(4) The pawl 3 is stored at a predetermined position on the bottom of the elevator 2 with the segment 4 loaded. At this point, the red lamp 10 goes out and the blue lamp 9 turns on instead.

(5) The elevator 2 descends from the shaft by manipulating the elevator drive operation panel 7 inside the machine when a person walks in, or by operating a remote control (not shown) outside the machine when no person walks. I do.

(6) The elevator 2 stops landing.

(7) The claw 3 is moved by the luggage operation panel 8 outside the machine.
Lift with the loading segment 4 and out of the elevator 2. At this time, the blue lamp 9 has disappeared and has been changed to the red lamp 10.

(8) The wholesaled gment 4 is placed on the cart 5.

(9) The claw 3 is set at a predetermined position on the bottom of the elevator 2. At this point, the blue lamp 9 is turned on instead of the red lamp 10.

(10) The elevator 2 rises to the ground and (1)-
Repeat (10).

[0031]

The effect of the present invention is that a claw is provided at the bottom of the elevator, the excavating equipment (segment) is lifted, and the excavating equipment (segment) is lifted up and down at a predetermined position at the bottom, and then protrudes forward and lands. The landing equipment (segment) that has landed is lifted, and the work of excavating equipment (segment) transfer under the shaft is facilitated, thereby shortening the construction period and reducing the construction cost.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view of an excavating equipment transport elevator.

FIG. 2 (a) shows an elevator drive (for elevating) operation panel 7 in the elevator 2, and a load operation panel 8 as the elevator 2
It is a diagram showing that the elevator is outside, and when the claw 3 is at a predetermined position on the bottom of the elevator 2, the blue display lamp 9 is turned on and the elevator is driven up and down by the elevator driving operation panel 7,
(B) is a diagram in which when the claw 3 is located at a position other than the predetermined position, the red lamp 10 is turned on, and the luggage operation panel 8 moves and unloads the luggage. (C) is a diagram showing that when the claw 3 is at a predetermined position on the bottom of the elevator 2, the claw 3 is fitted so as to be flush with the bottom of the elevator 2.

FIG. 3 is a diagram sequentially illustrating a procedure for loading a segment.

[Explanation of symbols]

 1. Guide rails lowered from the ground along the shaft 2. Elevator 3. Claws 4. Shield excavating equipment (segment) 5 .... Dolly 6 ... Rail reaching the cutting face 7. Elevator drive Operation panel 8: Luggage operation panel 9: Blue lamp (elevator can be driven) 10: Red lamp (elevator cannot be driven)

Claims (3)

[Claims] 1. An elevator for transporting shield excavating equipment, which has a claw at the bottom of an elevator that loads equipment and moves up and down in a shaft, lifts the equipment, and projects the elevator forward or laterally. And the landing equipment is lifted by the claw, the loaded equipment and the claw are returned to their original positions, and the equipment is loaded and unloaded. Transport elevator. 2. The shield excavating equipment transport elevator according to claim 1, wherein when the claw is located at a predetermined position in the shield excavating equipment transport elevator, the elevator can be driven, and the claw is moved to the predetermined position. 2. The elevator machine according to claim 1, further comprising a control unit that cannot drive the elevator when the elevator is at a position other than the position. 3. The equipment transporting elevator for shield excavation according to claim 2, wherein the elevator can be driven.
The shield excavating device according to claim 1 or 2, further comprising a unit that indicates a state value indicating whether the elevator can be driven or not, in conjunction with a unit that controls a state where the vehicle cannot be driven. Equipment transport elevator.