JPH01263397A - Device for conveying segment - Google Patents

Abstract

PURPOSE:To enable automation and improve safety by carrying in a segment piece loaded on a bogie which travels on a track into a pit and, then suspending same on a conveying vehicle which travels being suspended from a track and conveying same to an erector device. CONSTITUTION:Segments 10 are loaded on a segment bogie 2 which travels on a track 1 and carried into a pit. Then, the segment piece 10 is held by a grip device 50 of a conveying vehicle 4 which travels under being suspended from a track 3, and conveyed to the vicinity of an erector device 30 in the suspended condition. A cradle 6 is pushed out of a ring girder 21 and the segment piece 10 is placed thereon. Then, the cradle 6 is retracted to the erector side bringing the segment piece 10 into contact with a positioning arm 30a to carry out positioning.

Description

[Detailed Description of the Invention] [Field of Industrial Application] This light relates to a conveying device for supplying segment pieces to an erector device for assembling a hair shaft when assembling segment pieces using a shield excavator. be.

[Conventional technology] In order to transport the segment pieces carried into the mine on a trolley to the erecta equipment, a hoist crane or the like was installed in the mine in the past, and operations such as lifting, traveling, and lowering were carried out in the narrow space of the mine. A worker was doing it.

[Problem to be Solved] However, the above conventional method is inefficient and dangerous.

An object of the present invention is to provide a segment conveying device that can solve the above-mentioned problems.

[Means for Solving the Problems] The segment transport device of the present invention is a segment transport vehicle that travels while being suspended on a rail provided in a shield tunnel, and is equipped with a segment grip device at its lower end so that it can move up and down and rotate. The object, the segment pedestal that advances and retreats from the ring girder of the shield excavator toward the existing safety men 1 to ring, and the leg men 1 to 1 piece that are transported by the transport vehicle and placed on the pedestal are arranged in the erector device and placed in the predetermined position. The above erector device is equipped with (
It consists of a positioning arm that has been pulled up.

[Effect 1 The segment pieces loaded on the trolley and carried into the mine to Legmen 1 are placed at the lower end of the transport vehicle to Legmen 1.
[Legmen] It is grasped by lowering the hegelip device and activating the gripping device.

Next, the segment piece 1 is gripped and the grip device is raised, and the transport vehicle is driven to transport the segment pieces 1 to 1 to near the erector device.

Then, the legmen 1 to the grip device of the transport vehicle are rotated 90 degrees, while the segment 1 to the pedestal is pushed out from the ring girder, the grip device is lowered to place the legmen 1 to piece on the pedestal, and the transport vehicle is moved toward the trolley. evacuate. The pedestal is pulled toward the erector side, the legmen 1-piece is brought into contact with the positioning arm, and the legmen 1 to 1 piece are positioned on the pedestal at a predetermined distance from the erector device.

The segment pieces are thus positioned (rl) so that they can be easily gripped by the gripping device of the erector.

[Example 1 An embodiment of the present invention will be described below with reference to the drawings.

A rail 1 for a segment 1 and a truck 2 is provided in an existing mine, and the segment piece 10 is loaded onto this truck and carried into the mine.

A transport vehicle 4 is suspended on a rail 3 for transporting segment pieces loaded on a trolley 2 one by one to an erector device 30. This conveyance vehicle includes a running section 4a, a telescopic section 4b, and a turning section 4.
C and a device 50 for gripping and covering the segment piece. The running section 48 is composed of a rack provided on the rail 3 and a binion built into the running section. A telescoping section 4b is provided at the lower end below this running section for raising and lowering the grip device 50. This telescoping section is extended and contracted by a rectangular arm incorporating a multi-stage hydraulic cylinder. A rotating section 4C consisting of a rotating motor for rotating the grip device!□50 through 90 degrees is incorporated under this telescoping section.

Next, the grip device 50 is attached to the legmen 1 as illustrated in FIGS. 2 to 4.

First, an overview of this device will be explained. A base end portion of the inner cylinder 52 is fixed to the base plate 1 at 51.

An outer cylinder 54 is fitted into the inner cylinder 52, and is driven up and down by a cylinder 58 with respect to the inner cylinder.

A grip member 70 is attached to the tip of the outer station 54 with its tip protruding. This grip member is installed in the inner cylinder 52 (pulled into the spline shaft 60 by a motor 60).
It is designed to be rotationally driven via 7.

The details of each part will be explained below. Grip part a Δ
70 has a tapered portion 71 formed at its tip, and a male thread 72 that is screwed into the female thread formed in the leg 1- is formed following this 1-pa portion. This screw has a 30' trapezoidal thread for strength and other reasons. and,
A spherical portion 73 is formed slightly from the threaded portion 72 and convex toward the tip, that is, toward the center, and is integrated with a truncated conical portion 74 formed on the proximal end side. Further, a spline 76 is formed at the center of the grip portion +2 from the base end side.

An outer cylinder 54 is fitted into an inner cylinder 52 which is fixed to the base plate 1 51 at its proximal end side. A spherical seat 55 that engages with the spherical portion 73 of the grip member is formed on the inner surface of the lower end of the outer cylinder 54, and a threaded portion 72 of the grip member is formed at the center of the lower end.
A larger hole 55a is drilled. On the other hand, the inner cylinder 5
2, a frontage portion 55 opened on the side surface of the outer cylinder 54.
1), a cylinder 57 is protruded from the bracket 1 through the bracket 1, and a cylinder 58 is supported by a pin on the brackets 1 to 1. and,
The piston rod is fixed at 56 to a bracket 1 protruding from the base end of the outer cylinder 5/l. In this way, the outer cylinder 54 is driven downwardly relative to the inner cylinder 52 by the cylinder 58.

Move the motor 60 horizontally into the inner cylinder 52! It is set up like IJ-'C. That is, there is a gap between the outer periphery of the motor base 61 and the inner diameter of the inner cylinder, and a flange 63 is attached to the lower end of this base, and this flange supports the ball type support mechanism 64 provided in the middle of the inner cylinder. It is held between upper and lower balls so that it can move horizontally. The motor pace 61 is prevented from rotating by a pin 62 protruding from the side surface. A drive shaft 65 connected to the motor 60 is connected to a spline shaft 67 via a universal joint 66 as a means for transmitting force while allowing bending.
is connected to.

A conical receiving portion 53 is formed at the center of the outer surface of the lower end of the inner cylinder 52 to engage with a truncated conical surface portion 74 of the grip member.

In the above embodiment, the spline shaft 67 is connected to the universal joint 66.
The grip member 70 is connected to the drive shaft 65 of the motor via the motor, and the motor 60 itself is also movable in the horizontal direction so that the grip member 70 can easily swivel. If a flexible shaft or the like is used, there is no need for the motor itself to be able to move horizontally.

Next, with reference to FIGS. 5 and 6, a method of using this device will be described in the case where it is attached to a conveyance vehicle via a spherical joint 15.

When gripping the segment 10, the receiver is placed on the stand 6 so that the segment is positioned approximately at the center of the device by suitable means. That is, the female thread 11 formed in the grout hole provided at the center of the segment substantially coincides with the center of the grip member 70 of this device.

The outer tube 54 is lowered relative to the inner tube 52, and the grip member 70 attached to the tip of the outer tube is guided by the tapered tip 71 until the male screw 72 contacts the female screw 11 of the segment. Then, the spline shaft 67 is driven by the motor 60.
to screw the male thread 72 of the grip member into the female thread 11 of the segment. In this case, the grip member 70 is swivelably connected to the tip of the outer cylinder 54 via the spherical seat 55, and the spline shaft is connected to the motor 60 by a means 66 that allows bending and transmits force. Even if there is a slight misalignment between the grip member 70 and the female thread 11 of the segment, the screws can be reliably screwed together.

As described above, the male thread 72 of the grip member is connected to the segments 1 to 1.
After completely screwing into the internal thread 11 of the inner cylinder 52, the outer cylinder 54 is raised, and the truncated conical part 74 of the grip member is engaged with the conical receiving part 53 formed in the center of the inner cylinder 52. The segment 10 is thus correctly positioned in the center of the device,
Securely gripped.

In this case, in order to prevent the segment piece 10 from coming off, support arms 16 and 17 are attached to the tip of the carrier, and the tips of these arms are equipped with pads that come into contact with the inner surface of the segment when screwed into the screw 1. Cylinders 16b and 17b are provided in which cylinders 16a and 17a are supported by pins, respectively.

After gripping one segment 1 heavy piece 10 as described above, the telescopic portion 4b is operated to lift the segment piece. Then, the transport vehicle 4 is caused to travel and is transported close to the segment erector device 30.

On the other hand, as shown in FIGS. 7 and 8, the pusher 1 pushes out the pedestal 6 contained in the ring girder 21. It is guided by a provided rail 7 and driven back and forth by a cylinder 8.

Then, by operating the rotating part 4c of the conveyance vehicle 4, the direction of the segment piece 10 is turned by 90 degrees, and then the telescopic part 4b is extended to place the segment piece 1o on the pedestal 6, and the grip of the grip device 50 is tightened. After being released, the transport vehicle then heads to the segment truck 2 for transport.

Next, the segment erector device 30
A rotating frame 31 is attached to an intermediate ring 22 held with a gap inside the rotating frame 31 so as to be driven to rotate.A U-shaped electa handle 37 is attached to the left and right cylinders 39. It is attached so that it is guided by a guide 38 and descends from the culm. A grip device 50 having the same configuration as the segment 1 to the grip device described above is attached to the tip of the erector hand 37.

On the other hand, the segment 1 placed on the pedestal 6 on the intermediate ring 22
A positioning arm 30a that comes into contact with the side surface of the heavy belt 10 is provided in a protruding manner. The length of this arm is such that its center to the abutting segment i coincides with the center of the gripping device 50 attached to the rectifier.

Then, the pedestal 6 on which the ceramic pieces 1 to 10 are placed is retracted by operating the cylinder 8 until the side surfaces of the segments 1 to abut against the positioning arm 30a. Thus, the segment 1 piece is positioned in place.

Then, the erector hand 37 is lowered, the grip device 50 at the tip grips the ceramic pieces 1 to 1, and the holder 6
is retracted, and the ceramic pieces 1 to 1 are placed in predetermined positions using the erector device.

[Effects of the Invention] The segment conveying device of the present invention is as described above, and can be automated by remotely controlling each part constituting the device, avoiding dangerous manual work and transporting segments [to can be transported to the position required by the erector device.

[Brief explanation of the drawing]

Fig. 1 is an overall explanatory diagram that does not show one embodiment of the present invention, Fig. 2 is a longitudinal cross-sectional view of the ceramic 1-grip device, Fig. 3 is a cross-sectional view taken along the -■ arrow in Fig. 2, and Fig. 4 is a sectional view taken along arrows -■ in Fig. 2, Figs. 5 and 6 are front and side views explaining how to use the grip device, Fig. 7 is a sectional view around the pedestal,
FIG. 8 is a front view of FIG. 7. 2...Segment truck, 4...Transportation vehicle, 4a...
Traveling part, 4b... Telescopic part, 4C... Swivel part, 50.
...Grip device, 6...Pass, 21...Ring girder, 30...Erector device, 30a...Positioning arm. Applicant's agent Patent attorney Takehiko Suzue cD (-1-3

Claims (1)

[Scope of Claims] A segment transport vehicle that travels while being suspended on a rail provided in a shield tunnel, and is equipped with a segment grip device at its lower end so that it can be raised and lowered and rotated, and a segment transport vehicle that is installed from a ring girder of a shield tunneling machine. a segment pedestal that advances and retreats toward the segment ring; and a positioning device provided on the erector device for positioning the segment pieces carried by the transport vehicle and placed on the pedestal at a predetermined distance from the erector device. A segment transport device consisting of an arm and.