JP2695115B2 - Segment carrier for shield tunnel - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a segment carrier for unloading a segment from a segment truck at a face of a shield tunnel.

[0002]

2. Description of the Related Art In shield tunnel construction, the supply of cutting face for a segment is known as a technique for hoisting a segment on a dolly towed by a battery locomotive in the mine and unloading the segments one by one with a hoist installed on the face. Has been.

[0003]

However, in the above technique, the height of the segment packing on the truck is limited due to the restriction of the hoist lift, and one ring of segment cannot be transported by one transportation. Further, since the pieces are unloaded from the truck one by one, there is a problem that the work time on the face is long and the truck cannot be efficiently driven.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a segment transporting device in a shield tunnel which transports a plurality of segments at once and unloads them at one time.

[0005]

According to the present invention, in a segment carrying device for unloading a segment from a segment truck at a face of a shield tunnel, a gate type having a frame into which a segment truck carrying a plurality of segments can enter A trolley is provided, and lifting means for raising and lowering the segment are provided on both sides of the gantry, and the frame of the gantry is a package shape detection sensor for detecting the package shape and an elevation height detection for detecting the elevation height of the package. A sensor is provided, and a control device for controlling the elevating means by signals from the sensors and sending a signal to an alarm means for issuing an alarm that the operation is in progress is provided.

Further, the elevating means is composed of a fluid pressure jack, a plurality of pawls which are elevated and lowered by the fluid pressure jack, and a fluid pressure pump which drives the fluid pressure jack. Here, as the fluid pressure jack, a hydraulic jack, an air jack or the like can be used. Besides, a compressor, a screw jack, or the like can be applied as the elevating means.

Further, the alarm means is composed of a patrol light or an electronic music box.

[0008]

Since the present invention is constructed as described above, when a carriage having a plurality of segments or materials loaded therein enters the frame of the gate type carriage, the control device sends a signal to the alarm means, for example, a patrol light. Let others know that you are working.

At the same time, the load detection sensor identifies the load, calculates the required lift in the control unit, and lifts the load by the lifting means. To prevent the load from hitting the frame, monitor the height detection sensor to move the carriage backward.

Then, if necessary, the gate type carriage is moved,
Unload by lifting means.

Therefore, the load can be safely unloaded in a short time.

[0012]

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

In FIG. 1, a gate type trolley 1 is provided with an upper member 2,
2, lower members 3, 3, a plurality of vertical members 4, lateral members 5, 5
And rails 1 at both ends and in the middle of the lower member 3.
Wheels 11 traveling at 0 are rotatably attached.

Further, referring to FIG. 2, a horizontal member 5a is provided at an intermediate portion of the upper member 2, and the upper member 2 and the lower member 3 are provided.
A vertical member 2a is provided on the inner side of one side.

Further, as shown in FIG. 3, between the upper member 2 and the lower member 3 and between the vertical member 2a and the lower member 3 on one side of the intermediate portion (on the left side of the drawing), ascending / descending means. Guides 6, 6 for moving up and down a gate 7 having a claw 8 are attached, the plunger side of the jack 15 is attached to the gate 7, and the cylinder side is attached to a lower member. Further, the jack 15 is connected to a hydraulic pump 16 provided on the other side (right side in the drawing) of the intermediate portion, and the load detection sensor 1
2 and the elevation height detection sensor 13 are connected to the control device 17, and the gate type trolley 1 is self-propelled by the drive device 18.

A segment carriage 20 having a plurality of segments 21 (one ring shown in the figure) is placed inside the gate-type carriage 1.

The procedure for unloading a segment will be described below with reference to FIGS.

When the trolley 20 loaded with the segments 21 approaches the gantry-type trolley 1, the package shape detection sensor 12 detects the package shape and calculates the required lift. (FIG. 4), the segment carriage 20 enters the inside of the gate-type carriage 1 (FIG. 5).

A hydraulic pump is driven to send pressure oil to the jack 15, the jack 7 pulls up the gate 7 with the claw 8 hooked on the segment 21 by the jack 15, and the segment 21 is lifted at a time while being monitored by the elevation height detection sensor 13 ( (Figure 6).

The segment carriage 20 is retracted (FIG. 7).

The jack 15 is lowered to lower the gate 7, the gate type trolley 1 is moved, and the claw 8 is removed from the segment 21.

Therefore, one ring segment can be easily unloaded from the trolley at one time, and an alarm device (not shown) is activated during operation to notify the operator, which is safe.

When transporting segments having different widths, the position of the vertical member 2a of the gate type carriage may be moved in the width direction of the gate type carriage.

Further, when the shield device is towed without mounting the drive device 18 on the portal vehicle 1, the segment is unloaded at a fixed point.

[0025]

The present invention has the following advantages because it is configured as described above.

(1) The information of various sensors can be processed to centrally manage the operation of the alarm device, the lifting device control, and the like.

(2) Since a plurality of segments, for example, one ring can be unloaded at one time, it is efficient and the space at the unloading place can be effectively used.

(3) Since the unloading restraint time at the face of the truck can be shortened, the operating efficiency of the truck is good.

(4) Therefore, efficient and safe work can be performed.

[Brief description of the drawings]

FIG. 1 is a side view of a segment carrying device at a face portion showing an embodiment of the present invention.

FIG. 2 is a plan view of FIG. 1;

FIG. 3 is a front view of FIG. 1;

FIG. 4 is a diagram showing the unloading procedure 1 of FIG.

FIG. 5 is a diagram showing the unloading procedure 2 of FIG. 1;

FIG. 6 is a diagram showing the unloading procedure 3 of FIG. 1.

7 is a diagram showing the unloading procedure 4 of FIG. 1. FIG.

FIG. 8 is a diagram showing the unloading procedure 5 of FIG. 1.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Gate type truck 2 ... Upper member 3 ... Lower member 4 ... Vertical member 5 ... Lateral member 6 ... Guide 7 ... Gate 8 ... Claw 10 ... Rail 11 ... Wheel 15 ... Jack 16 ... Hydraulic pump 17 ... Control device 20 ... Segment Trolley 21 ... Segment

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Tsutomu Imagawa 1-3-8 Moto-Akasaka, Minato-ku, Tokyo Kashima Construction Co., Ltd. Tokyo Branch (72) Inventor Michio Emori 1-3-3 Moto-Akasaka, Minato-ku, Tokyo No. 8 Kashima Construction Co., Ltd. Tokyo Branch (72) Inventor Yukihiko Hizawa 1-2-7 Moto-Akasaka, Minato-ku, Tokyo Kashima Construction Co., Ltd. (56) Reference JP-A-5-240000 (JP, A) JP-A-3-290599 (JP, A)

Claims (3)

(57) [Claims] 1. A segment carrying device for unloading a segment from a segment truck at a face of a shield tunnel, wherein a gate truck having a frame into which a segment truck carrying a plurality of segments can enter is provided, and both sides of the gate truck are provided. An elevating means for elevating and lowering the segment is provided, and a frame shape detection sensor for detecting a package shape and a lift height detection sensor for detecting a lift height of the load are provided on the frame of the gate type cart, and signals from the sensors are provided. A segment carrying device in a shield tunnel, characterized in that a control device for controlling the elevating means and sending a signal to an alarm means for warning that it is in operation is provided. 2. The segment conveying device in a shield tunnel according to claim 1, wherein the elevating means comprises a fluid pressure jack, a plurality of claws that are elevated and lowered by the fluid pressure jack, and a fluid pressure pump that drives the fluid pressure jack. . 3. The segment transportation device in a shield tunnel according to claim 1, wherein the alarm means is a patrol light or an electronic music box.