JP6058333B2 - Continuous belt conveyor height position change system - Google Patents

Description

  The present invention relates to a continuous position change system for a continuous belt conveyor used for shifting a mountain tunnel.

In the slipping system using a continuous belt conveyor in a mountain tunnel, the continuous belt conveyor is suspended over the entire line on the tunnel side wall at the height of the tailpiece carriage (about 2.5 m).
And, in the rear where the continuous belt conveyor is suspended, it will be constructed while moving the lining concrete, but in the measures to prevent the lining slide centle and the belt conveyor from interfering, and the lining completion section It is necessary to suspend the continuous belt conveyor again.
Therefore, after the temporary belt conveyor is temporarily received by the dedicated receiving frame before the lining concrete construction site, it is continuously suspended from the centle and then set again on the temporary support and the pedestal installed on the side of the lining.

For example, in Patent Document 1, support carts are arranged in front, middle, and rear of a seat cart, a centle, and other work carts, a bracket is extended from the work cart in the tunnel crossing direction, and a lower roller is pivotally supported on the bracket in the tunnel crossing direction. Tunnel excavation, in which the rail mounted on the lower roller is fixed to the support carriage in the tunnel extension direction, the upper roller is pivotally supported on the rail in the tunnel transverse direction, and the continuous belt conveyor is supported on the upper roller in the tunnel extension direction Has proposed a continuous belt conveyor support mechanism.
According to the continuous belt conveyor support mechanism, it is possible to ensure free movement of the seat carriage, the centle, and the like.

Moreover, in patent document 2, the base for mounting the tail piece part of a continuous belt conveyor, the 1st expansion-contraction means which is connected to a base and can raise / lower a base, The direction which extends a continuous belt conveyor A support base for supporting the pedestal in a relatively movable manner, a second extendable means connected to the support pedestal and capable of raising and lowering the support pedestal, one end connected to the pedestal and the other end connected to the support pedestal There has been proposed a tailpiece cart including a driving device for relatively moving the gantry and the support platform in the direction of extending the continuous belt conveyor, and a self-propelled endless track vehicle equipped with the support platform.
According to this tailpiece carriage, it is possible to move efficiently with a small number of people, and a continuous belt conveyor can be extended and a tunnel can be rapidly constructed without interrupting excavation work.

Japanese Patent No. 2873818 JP 2011-74678 A

However, the continuous belt conveyor support mechanism of Patent Document 1 has the following problems.
1) Since the replacement is performed by a seat cart and a centle, the degree of freedom of position and movement is small, which hinders lining work.
2) Since there are belt conveyors and mounts near the floor level + 2.5m, there is a problem in changing the direction of trucks, mixers and construction vehicles.
3) Because of the high position, when the belt is cut, the processing of the load remaining on the belt becomes a work at a high place, which is unsafe and inefficient.
4) Because of the work at high places, it is difficult to check the rollers and the belt, and a dedicated stand is required.
5) It is necessary to take measures against falling sand from the belt conveyor.

Such problems are all solved by installing the belt conveyor at the floor level. However, in the case of a continuous belt conveyor that stretches, the height is lowered while temporarily receiving it with a crane, etc. Since there was a need to move, there were few examples in which the operation of installing the belt conveyor at the floor level was performed.
In addition, in order to lower the height from the height of the tailpiece carriage in the forward direction to the floor level in the backward direction, it is necessary to constantly move the platform inclined in the extension direction.

  It is an object of the present invention to continuously change the height of a continuous belt conveyor used for slipping out a mountain tunnel so as to be advantageous for loading and unloading of the tunnel, and it is also possible to shift in the horizontal direction, which is advantageous in layout. Is to do so.

In order to solve the above problems, the invention described in claim 1
A system for continuously changing the height position of a continuous belt conveyor used for slipping a mountain tunnel,
A plurality of rails continuously laid from the entrance side of the mountain tunnel toward the face side;
It is continuously arranged along the rail, and the upper part is inclined so that the face side is raised and the wellhead side is lowered, or the wellhead side is raised and the face side is lowered. And an inclined carriage that includes wheels that roll on the rail and is movable in the forward direction by towing from the face side,
A pedestal that is installed along the continuously inclined upper part of the inclined carriage and is movable relative to the upper and lower sides by sliding the continuous belt conveyor placed on the upper surface ,
The tail belt cart that is arranged on the face side and moves forward with the excavation of the face extends the continuous belt conveyor,
The continuous belt conveyor slides in the front-rear direction in addition to the lateral direction on the upper surface of the gantry by pulling the inclined carriage .

The invention described in claim 2
It is a height position continuous change system of the continuous belt conveyor according to claim 1,
The rail is laid along one side of the mountain tunnel.

The invention according to claim 3
It is a height position continuous change system of the continuous belt conveyor according to claim 1 or 2,
The rail is provided with three strips at the center and both sides thereof.

  According to the present invention, it is advantageous to carry out from loading of the slack by pulling the inclined carriage on which the pedestal on which the continuous belt conveyor used for slipping out of the mountain tunnel is placed is mounted on the rail in the extension direction, By sliding the continuous belt conveyor back and forth and laterally on the gantry, layout in the tunnel is also advantageous.

It is a schematic side view which shows the structure of one Embodiment of the height position continuous change system of the continuous belt conveyor to which this invention is applied. It is the figure along the arrow AA line of FIG. It is the figure along the arrow BB line of FIG. It is the figure along the arrow CC line of FIG. It is the figure along the arrow DD line | wire of FIG. It is the figure along the arrow EE line of FIG. It is a schematic side view which shows the relationship between the tailpiece trolley | bogie and winch of the inclination trolley | bogie of FIG. It is the figure which showed advance of the inclination trolley | bogie of FIG.

DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments for carrying out the present invention will be described in detail with reference to the drawings.
(Embodiment)
FIGS. 1 to 6 show the configuration of an embodiment of a continuous belt conveyor height position continuous change system to which the present invention is applied. 1 is a rail, 2 is an inclined carriage, 3 is a wheel, 4 is a stand, Is a continuous belt conveyor.

As shown in the drawing, a rail 1 is laid continuously in the mountain tunnel from the wellhead side to the face side.
Specifically, the rail 1 is laid along one side of the mountain tunnel (in the example shown, the center and three strips on both sides), and is not located in the whole line, but only in the lower part of the system. Along with this, the rails on the wellhead side are removed and moved to the face side so-called hitting and turning.

An inclined carriage 2 that is continuously inclined along the top of the rail 1 so that the upper portion is raised on the face side and lowered on the wellhead side is disposed.
In the illustrated example, the inclined carriage 2 is constructed by assembling a frame pipe and connecting it to a total length of about 60 m with a width of more than 2 m, and includes a number of wheels 3 each rolling on three rails 1.

The inclined carriage 2 is provided with a pedestal 4 over its entire length along an upper part that continuously inclines so that the face side is raised and the wellhead side is lowered.
The gantry 4 has a continuous belt conveyor 5 mounted on the upper surface thereof, and a material is selected or surface-treated so that the mounted continuous conveyor 5 is slid on the upper surface in the forward direction and the lateral direction.

  Therefore, the continuous belt conveyor 5 can be slid in the horizontal direction and moved over the entire length of the upper surface of the gantry 4 that is continuously inclined so as to raise the face side of the inclined carriage 2 and lower the wellhead side. It is placed.

As shown in FIG. 7, the continuous position change system for the continuous belt conveyor having the above-described configuration is configured such that the excavated soil (sludge) is continuously at a height of about 2.5 m in the tail piece cart 6 disposed on the face side. It is loaded on the front part of the belt conveyor 5 and carried toward the wellhead side.
The continuous belt conveyor 5 is suspended on the tunnel side wall between the tailpiece carriage 6 and the inclined carriage 2.

  Along with the excavation of the face, the continuous belt conveyor 5 is stretched by the tail piece carriage 6 that moves forward, and the inclined carriage 2 is pulled by the winch 7 so that the wheels 3 roll on the three rails 1. At this time, the continuous belt conveyor 5 placed on the upper surface of the gantry 4 installed on the inclined upper portion of the tilting carriage 2 slides in the front-rear direction on the upper surface of the gantry 4 without moving.

  In the extending process of the continuous belt conveyor 5, as shown in FIG. 8, on the upper surface of the gantry 4 that is installed on the upper part continuously inclined so as to raise the face side of the inclined carriage 2 and lower the wellhead side. The continuous belt conveyor 5 is slid in the front-rear direction, and as shown in FIGS. 2, 3, 4, 5, and 6, the continuous belt conveyor 5 is slid in the lateral direction and shifted to an appropriate position. .

  In addition, as shown by a virtual line in FIG. 3, a member such as a pipe can be disposed below the inclined carriage 2 between the rails 1.

  As mentioned above, according to the height position continuous change system of the continuous belt conveyor of the embodiment, by placing the inclined carriage 2 on which the gantry 4 on which the continuous belt conveyor 5 is placed on the rail 1 and pulling in the extending direction, It becomes advantageous for carrying out from loading of the slip, and by sliding the continuous belt conveyor 5 on the gantry 4 in the front-rear direction and the lateral direction, the layout in the tunnel is also advantageous.

(Modification)
In the above embodiment, the three rails are provided at the center and both sides thereof, but the present invention is not limited to this, and the rails may be two or four or more.
Furthermore, in the embodiment, the tilted trolley in which the upper part raises the face side and lowers the wellhead side has been described. It is also possible to use it.
In addition, the configuration and overall length of the tilting carriage and the gantry are arbitrary, and it is needless to say that other specific detailed structures can be changed as appropriate.

1 Rail 2 Inclined Bogie 3 Wheel 4 Base 5 Continuous Belt Conveyor 6 Tailpiece Bogie 7 Winch

Claims (3)

A system for continuously changing the height position of a continuous belt conveyor used for slipping a mountain tunnel,
A plurality of rails continuously laid from the entrance side of the mountain tunnel toward the face side;
It is continuously arranged along the rail, and the upper part is inclined so that the face side is raised and the wellhead side is lowered, or the wellhead side is raised and the face side is lowered. And an inclined carriage that includes wheels that roll on the rail and is movable in the forward direction by towing from the face side,
A pedestal that is installed along the continuously inclined upper part of the inclined carriage and is movable relative to the upper and lower sides by sliding the continuous belt conveyor placed on the upper surface ,
The tail belt cart that is arranged on the face side and moves forward with the excavation of the face extends the continuous belt conveyor,
A continuous position change system for a continuous belt conveyor , wherein the continuous belt conveyor slides in the front-rear direction in addition to the lateral direction on the upper surface of the gantry by pulling the inclined carriage .   The continuous position change system for a continuous belt conveyor according to claim 1, wherein the rail is laid along one side of the mountain tunnel.   The continuous position change system for a continuous belt conveyor according to claim 1 or 2, wherein the rail is provided with three strips on the center and on both sides thereof.

Images