JP2008163566A - Mine work facility behind shield machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a mine work facility behind a shield machine simply formed, capable of stably providing swinging, capable of transporting materials in the axial direction of a tunnel and unloading them at positions laterally apart from each other, and having ease of work and high operational safety. <P>SOLUTION: In this work facility for transporting and unloading a lining material and the other materials behind the shield machine 1, a main rail for traveling a main hoist 12 is installed in the axial direction of tunnel. A turning body 14 is installed at the end part or intermediate part of the main rail in the generally horizontal direction. An auxiliary rail 16 onto which the main hoist 12 can ride from the main rail at a predetermined turned position is installed on the turning body 14. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an underground work facility as a work facility for transporting and unloading lining materials and other materials at the rear of a shield machine.

  Conventionally, as a mine work facility behind the shield machine, only a hoist that transports the segment as a lining body into the machine is installed, and the carriage is in front of the rear carriage equipped with the rear equipment for the shield machine The same hoist was used even when performing work such as installing railroad sleepers.

  However, if the shield has a large diameter, the sleepers become long, and handling with a single hoist is inferior in workability and extremely dangerous. On the other hand, in recent years, there has been a demand for installing precast floor slabs and pillars in front of rear carriages in road tunnels and the like.

For example, in Patent Document 1 below, the lower part of the carriage is used as a segment conveyance path to improve workability in the rear carriage and in front of the carriage.
Japanese Patent No. 2538446

  In the shield machine, the auxiliary equipment such as the hydraulic unit and the control panel, the back-filling agent injection equipment, etc. are installed on the carriage, and the carriage moves with the shield machine in the rear lining of the shield machine. In the back of the wing, segment lining was performed by an erector. For this reason, it is necessary to transport the lining material such as the segment through the tunnel to the lining work section where the erector is disposed. Conventionally, the inside of the carriage has been used as the lining material carry-in path. Was supplying.

  The lining material conveying device of Patent Document 1 is provided with a subsequent carriage that moves integrally with the shielding machine and has equipment such as a shielding machine driving hydraulic unit installed in the back lining of the shielding machine, In the space between the equipment installation surface of the subsequent carriage and the inner peripheral surface of the lower lining, a covering material transfer conveyor is movably disposed along with the subsequent carriage over the entire length of the space. It has a structure in which the conveyance start end portion and the termination end portion are respectively protruded from the front and rear lower sides of the subsequent carriage.

  According to Patent Document 1, a lining material conveyor is disposed in a space between an installation surface of equipment such as a shield machine driving hydraulic unit installed on a subsequent carriage and an inner peripheral surface of a lower lining. Therefore, the space in the subsequent carriage can be used widely, and even in the case of small-diameter tunnel construction, it is possible to secure the worker's passageway and sediment transport pipe on the equipment installation surface, and work safety Can be maintained.

Further, in Patent Document 2 below, conventionally, a steel sleeper carried into the rear carriage from the ground is lifted by using a hoist for a segment, and the sleeper is manually installed in a width direction at a predetermined position in the segment. The purpose of this is to provide an underground work facility behind a shield machine capable of safely and accurately installing a long and heavy sleeper in a narrow space.
JP 11-182199 A

  In the said patent document 2, another arm is provided in the right and left of a conveyance rail, a sleeper is turned with a conveyance hoist, and it installs with this arm after that.

  Specifically, a traveling machine base that is movable along a moving rail in the tunnel axis direction, and a first arm that is provided on the traveling machine base so as to be rotatable about a vertical axis and rotatable about a horizontal axis. A second arm connected to the tip of the first arm so as to be bent around a horizontal axis, a holding frame provided at the tip of the second arm so as to be rotatable around the horizontal axis, and the holding frame Two manipulators equipped with a sleeper gripping device that can turn freely and can hold a sleeper for a mine work carriage rail are arranged at predetermined intervals in the tunnel width direction to constitute a sleeper laying device. With this manipulator, both sides of a long sleeper are gripped, and the sleepers can be changed in direction from the tunnel axis direction to the tunnel width direction and can be positioned.

  In Patent Document 1, since the lower part of the carriage is occupied as a transport path for the lining material, it is difficult to transport the precast material to install a precast floor slab or pillar in front of the rear carriage in a road tunnel or the like. To master.

  Moreover, in the said patent document 2, there exists a danger that a long sleeper will be rotated with a conveyance hoist, and the useless work of re-gripping with an arm once after turning will generate | occur | produce. Moreover, it is difficult to cope with the work of installing columns on the left and right.

  The object of the present invention is to eliminate the inconveniences of the conventional example, the structure is simple, a stable turning can be obtained, the material is not only transported in the tunnel axis direction, but also the material is unloaded to the left and right positions. It is possible to provide an underground work facility behind a shield machine having good workability and high work safety.

  In order to achieve the above object, the present invention according to claim 1, in the work equipment for transporting and unloading lining materials and other materials at the rear of the shield machine, a main rail for main hoist travel is installed in the tunnel axial direction, The gist of the invention is that a swiveling body in a substantially horizontal direction is provided at an end or an intermediate portion of the main rail, and a sub-rail that allows the main hoist to connect from the main rail at a predetermined swiveling position is provided on the swiveling body. To do.

  According to the first aspect of the present invention, the main hoist travels on the main rail, and when the main hoist is transferred to the sub-rail, the main hoist can turn with the rail and can stably turn. In addition, if the vehicle runs while turning, the material can be loaded and unloaded from the main rail to the left and right positions.

  The gist of the present invention described in claim 2 is that the auxiliary rails are installed on the revolving structure within a range not intersecting with the sub rails, and the auxiliary hoists are installed on the auxiliary rails.

  According to the second aspect of the present invention, when the segment is transported, the revolving unit is positioned so that the main rail and the sub rail are connected, and the main hoist can be connected to the main rail and the sub rail. The main hoist that has further moved the main rail can transfer the segment to the segment conveyor installed at the lower rear of the machine by connecting the sub rail of the revolving structure.

  In addition, when installing a column member, a wall member, etc., a member that has been transported in the tunnel axial direction by a transport cart or the like is lifted using two auxiliary hoists, and can be safely installed by turning it as it is. . In this case, handling can be performed with two auxiliary hoists on a large floor slab, etc., and in the case of a pillar, the object that has been carried in the tunnel axis direction is turned upside down and swung as it is, then left and right Can be loaded and unloaded.

  The gist of the present invention described in claim 3 is that the revolving structure is supported by the front and rear traveling frames and is movable back and forth.

  According to the third aspect of the present invention, since the revolving body can be moved back and forth, the revolving body can be moved back and forth while being loaded under the revolving body, and a long object can be stably conveyed back and forth. In many cases, the transport hoist is provided with a turning function. However, if the turning hoist can be moved back and forth as it is, the turning function of the hoist can be eliminated.

  The gist of the present invention described in claim 4 is that the main rail moves back and forth in conjunction with the back and forth movement of the revolving structure.

  According to the fourth aspect of the present invention, the main rail and the swivel body are connected and can be moved back and forth, so that the main rail swirl body is not separated, and the main hoist can be easily traveled. Is also easier. Furthermore, high-speed conveyance is possible if the forward / backward movement and the hoist travel are performed simultaneously.

  The gist of the present invention described in claim 5 is that a rail connected to a sub-rail installed on the revolving structure and connected to the main hoist is provided outside the revolving structure.

  According to the fifth aspect of the present invention, since the rail that can be connected in a state where the sub-rail is turned, the traveling range of the main hoist can be further expanded.

  The gist of the present invention described in claim 6 is that a rail that is connected to an auxiliary rail installed on the revolving structure and on which an auxiliary hoist can be connected is provided outside the revolving structure.

  According to the sixth aspect of the present invention, since the rail that can be connected in a state in which the auxiliary rail is turned is arranged, it is possible to widen the traveling range of the auxiliary hoist.

  As described above, the mine work equipment behind the shield machine is simple in structure, can stably turn, and not only transports in the tunnel axis direction, but also loads materials to left and right positions. Therefore, workability is good and work safety is high.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a longitudinal side view showing an embodiment of an underground work facility behind a shield machine according to the present invention. FIG. 2 is an enlarged longitudinal side view of a main part. In FIG. 1, 1 is a shield machine, a cutter 2, a shield jack. 3. A screw conveyor 4 is provided.

  A segment erector 5 is installed in the tail portion of the shield machine 1, and a segment conveyor 7 for conveying the segment 6 to the segment erector 5 is installed behind the segment erector 5. In the figure, 8 is a shape holding device for holding the assembled segment 6.

  The present invention is a work facility for transporting and unloading the segment 6 (lining material) and other materials at the rear part of the shield machine 1, and in this embodiment, between the shield machine 1 and the rear carriage 9, The pillar 10 and the floor slab 11 are assembled, and these precast members correspond to other materials other than the segment 6.

  A main rail for main hoist travel is provided in the tunnel axis direction, and a main hoist 12 is installed on the main rail. A turntable-type turning body (frame) in a substantially horizontal direction is provided at the end or middle of the main rail. 14 was provided. The details are shown in FIGS. 12 and 13, and the revolving body (frame) 14 is rotationally driven by a revolving motor 14 a.

  The illustrated example is a case where a revolving body (frame) 14 is provided in the middle part of the main rail, and a turntable type revolving body 14 is provided in the middle of the traveling path of the main hoist 12. It consists of a main (fixed) rail 13 installed in front of the swivel body 14 and a main rail 15 connected to the rear.

  The revolving body 14 is provided with a sub rail 16 in which the main hoist 12 can be connected to the main rail at a predetermined revolving position, and two auxiliary rails 17 are adjacent to a range not intersecting with the sub rail 16, for example, an orthogonal position. They were placed on a straight line with a space between each other.

  The separation between the auxiliary rails 17 is a distance that allows the main hoist 12 to travel on the sub-rail 16. An auxiliary hoist 18 is installed on each auxiliary rail 17.

  The main girder 20 supported at both ends by the rear work table 21 and the rear carriage 22 of the shield machine 1 is supported by the guide roller 23 and the drive roller 25 driven by the drive motor 24 so as to be able to travel, The revolving body 14 is supported by the front and rear traveling frame 19 so as to be movable back and forth.

  The main rail 15 may be suspended and supported by a guide roller 28 provided on the rear carriage 9 so as to be able to move back and forth so that it can be interlocked with the back and forth movement of the revolving structure 14.

  A connecting rail 27, which is connected to the sub-rail 16 installed on the revolving body 14 and can be connected to the main hoist 12, is provided outside the revolving body 14 on the front and rear traveling frame 19.

  Further, the front and rear traveling frame 19 is provided with left and right rails 26 connected to the auxiliary rails 17 provided on the revolving body 14 at the left and right positions outside the revolving body 14.

  Next, the usage will be described. At the time of segment conveyance, as shown in FIGS. 4, 6, and 7, the swing body 14 is positioned so that the main (fixed) rail 13, the sub rail 16, and the main rail 15 are continuous.

  Thereby, the main hoist 12 can transfer the sub-rail 16 of the revolving structure 14 from the rear, and can convey the segment 6 to the segment conveyor 7 installed in the machine rear lower part. The main hoist 12 lifts the segment 6 that has been transported from the rear start shaft by the transport carriage 29.

  On the other hand, when the column 10 is installed, as shown in FIGS. 8 to 10, the revolving body 14 rotates so that the auxiliary rail 17 and the main rail 15 are in the same direction, and the transport carriage 29 causes the tunnel axial direction. The pillars 10 that have been transported to the left and right are inverted using two auxiliary hoists 18 provided on the auxiliary rails 17 and turned as they are, so that the pillars 10 can be safely installed on the left and right. In the figure, reference numeral 30 denotes a hoist drop prevention plate.

  When the movement of the auxiliary rail 17 is insufficient, the left and right rails 26 are arranged on the outer side of the revolving structure 14 in the front and rear traveling frame 19, so that the auxiliary rail 17 and the left and right rails 26 are connected to each other. As the hoist 18 enters the left and right rails 26, the movable range is further expanded.

  When installing the floor slab 11, as shown in FIGS. 5 and 11, the material transported in the longitudinal direction by the transport carriage 29 is lifted by using two of the auxiliary hoists 18, swung by the swivel body 14, and predetermined Install at the position of while adjusting the left and right height.

  If the front and rear traveling frames 19 are moved forward with the two auxiliary hoists 18 being lifted, the turning body 14 can turn at the front position.

  In the above embodiment, the case where the pillar and the floor slab are assembled as other materials other than the segment has been described. However, this is only an example, and the present invention can also be used for transporting sleepers and other materials.

It is a vertical side view which shows one Embodiment of the mine work equipment behind the shield machine of this invention. It is a side view of the important section showing one embodiment of the underground work facility behind the shield machine of the present invention. [BRIEF DESCRIPTION OF THE DRAWINGS] It is the top view looked up from the downward direction which shows one Embodiment of the mine work equipment behind the shield machine of this invention. It is a front view at the time of segment conveyance which shows one Embodiment of the mine work equipment behind the shield machine of this invention. It is a front view at the time of floor slab conveyance which shows one Embodiment of the mine work equipment behind the shield machine of this invention. It is a vertical side view at the time of segment conveyance which shows one Embodiment of the underground mine work equipment behind the shield machine of this invention. It is a side view of the principal part at the time of segment conveyance which shows one Embodiment of the mine work equipment behind the shield machine of this invention. It is a vertical side view at the time of pillar conveyance which shows one Embodiment of the mine work equipment behind the shield machine of this invention. It is the top view looked up from the bottom at the time of pillar conveyance which shows one Embodiment of the underground work facility behind the shield machine of this invention. It is a front view at the time of pillar conveyance which shows one Embodiment of the mine work equipment behind the shield machine of this invention. It is a vertical side view at the time of floor slab conveyance which shows one Embodiment of the mine work equipment behind the shield machine of this invention. It is a front view of the revolving structure (frame) part which shows one Embodiment of the mine work equipment behind the shield machine of this invention. It is a top view of the turning body (frame) part which shows one Embodiment of the mine work equipment behind the shield machine of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Shield machine 2 ... Cutter 3 ... Shield jack 4 ... Screw conveyor 5 ... Segment erector 6 ... Segment 7 ... Segment conveyor 8 ... Shape maintenance apparatus 9 ... Back carriage 10 ... Pillar 11 ... Floor slab 12 ... Main hoist 13 ... Main (Fixed) Rail 14 ... Revolving body (frame)
DESCRIPTION OF SYMBOLS 14a ... Turning motor 15 ... Main rail 16 ... Sub rail 17 ... Auxiliary rail 18 ... Auxiliary hoist 19 ... Front and rear traveling frame 20 ... Main girder 21 ... Back work table 22 ... Back carriage 23 ... Guide roller 24 ... Drive motor 25 ... Drive roller 26 ... Right and left rails 27 ... Transition rails 28 ... Guide rollers 29 ... Carriage carts 30 ... Hust drop prevention plates

Claims (6)

  In the work equipment that transports and unloads lining materials and other materials at the rear of the shield machine, a main rail for main hoist travel is installed in the tunnel axis direction, and the main rail is at the end or middle of the main rail in a substantially horizontal direction. A mine work facility behind a shield machine, wherein the swivel body is provided with a secondary rail on which the main hoist can be connected from the main rail at a predetermined turning position.   The mine work facility behind the shield machine according to claim 1, wherein auxiliary rails are installed at intervals in a range that does not intersect the sub-rails on the revolving structure, and auxiliary hoists are installed on the auxiliary rails.   The mine work facility behind the shield machine according to claim 1 or 2, wherein the revolving unit is supported by a front and rear traveling frame and is movable back and forth.   The mine work facility behind the shield machine according to claim 3, wherein the main rail moves back and forth in conjunction with the back and forth movement of the revolving structure.   The mine work facility behind a shield machine according to any one of claims 1 to 4, wherein a rail connected to a sub-rail installed on the revolving structure and to which the main hoist can be connected is provided outside the revolving structure.   6. A mine work facility behind a shield machine according to any one of claims 1 to 5, wherein a rail connected to an auxiliary rail installed in the swivel body and to which an auxiliary hoist can be connected is provided outside the swivel body. .

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