JP2004204590A - Accumulation conveyable equipment for excavated earth and sand - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide accumulation conveyable equipment for excavated earth and sand capable of saving a space for an earth and sand pit. <P>SOLUTION: The accumulation conveyable equipment 10 is provided on a construction site of shield work carried out in urban areas, and the excavated earth and sand S is temporarily accumulated to take it out by means of conveyance such as a dump-truck or the like. The equipment 10 is equipped with the earth and sand pit 14 and a mobile type back-hoe 16. The earth and sand pit 14 is used for temporarily storing the excavated earth and sand S to be accumulated, and it is provided inside a soundproof house 18. A pair of guide rails 28 are constructed at an opposite position, and the guide rails 28 are located at right above the earth and sand pit 14 so that the mobile type back-hoe 16 can travel on the guide rails 28. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a facility for collecting and transporting excavated earth and sand, and more particularly to a facility for accumulating and transporting excavated earth and sand which is suitably used in a shield construction site constructed in an urban area.
[0002]
[Prior art]
At the construction site of shield work in urban areas, it is difficult to secure a large work yard for temporarily storing excavated earth and sand excavated by a shield machine, and transportation in narrow places is difficult. The installation of facilities etc. has been forced.
[0003]
In this type of work yard, the larger the outer diameter of the excavation of the tunnel to be constructed, the larger the space is required. Usually, the space is about 1.5 to 2 times the amount of the excavated earth and sand carried out per day. Is needed.
[0004]
When the excavated earth and sand is stocked, if the amount that can be stocked is small, it affects the progress of the excavation work and may not be carried out in time. Therefore, conventionally, in view of such circumstances, disclosure in patents or non-patent documents is unknown, but at actual construction sites, sediment hoppers and sediment pits are installed inside and outside tunnels to be constructed. Was installed.
[0005]
However, such conventional facilities for accumulating excavated earth and sand have the following problems.
[0006]
[Problems to be solved by the invention]
In other words, the stock means using the earth and sand hopper takes relatively little space, but when a large-capacity earth and sand popper is installed, the stock earth and sand may cause an arch action in the hopper, making it difficult to discharge. .
[0007]
On the other hand, in the case of a sediment pit, there is no demerit like a sediment hopper, but usually, the stored sediment is carried out by the backhoe, and in order to be able to carry it out with the backhoe, the backhoe around the sediment pit, Since a revolvable space must be provided, there is a problem that a larger space is required than in the case of the earth and sand hopper.
[0008]
The present invention has been made in view of such a conventional problem, and an object of the present invention is to provide a facility for collecting and transporting excavated earth and sand that can save space in an earth and sand pit.
[0009]
[Means for Solving the Problems]
In order to achieve the above object, the present invention provides an excavated sediment accumulation and removal facility which is provided at a construction site for shield work, temporarily accumulates excavated earth and sand, and discharges the excavated earth to a discharge vehicle such as a dump truck. A sediment pit for accumulating sediment is provided, and a mobile unloading machine that travels on a guide rail provided immediately above the sediment pit and loads the excavated sediment in the pit onto the unloading vehicle.
[0010]
According to the excavated sediment accumulating / unloading facility configured in this manner, the excavated sediment in the sediment pit runs on the sediment pit for accumulating excavated sediment and the guide rail provided immediately above the sediment pit, and is loaded onto the unloading vehicle. And a movable unloading heavy machine, which enables excavated earth and sand to be loaded on the unloading vehicle without providing a turning space for the unloading heavy machine around the earth and sand pit.
[0011]
The mobile unloading heavy machine may include a movable backhoe that has a bucket that is swingably supported and that is self-propelled by electric drive along the guide rail.
[0012]
According to this configuration, since the mobile backhoe that is self-propelled by electric drive is used, noise and exhaust gas can be significantly reduced.
[0013]
The guide rail is installed on a second floor portion of the soundproof house that covers the outside of the earth and sand pit, and a hopper for charging the excavated earth and sand is installed on a floor surface of the second floor portion of the soundproof house, On the first floor portion, the carry-out vehicle can enter and exit just below the hopper.
[0014]
According to this configuration, since a sand pit and hopper are installed in the soundproof house, noise when loading excavated earth and sand on the unloading vehicle and driving noise of the backhoe are greatly reduced to the outside. can do.
[0015]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. FIGS. 1 to 6 show an embodiment of a facility for collecting and transporting excavated earth and sand according to the present invention.
[0016]
The stacking and unloading equipment 10 shown in FIG. 1 is provided at a construction site of a shield work performed in an urban area, and temporarily accumulates excavated earth and sand S to a unloading vehicle 12 such as a dump truck. Loading and unloading.
[0017]
The stacking and unloading facility 10 of this embodiment includes a sediment pit 14 and a mobile backhoe (unloading heavy equipment) 16. The earth and sand pit 14 is for temporarily accumulating and storing the excavated earth and sand S. In the case of the present embodiment, the earth and sand pit 14 is provided in the soundproof house 18.
[0018]
The soundproof house 18 is a three-story building having a pair of side walls 19 opposed to each other. A first-floor partition wall 20 is provided at a width of about 1/3 of the first floor, and a concave and elongated earth and sand having an open upper end. Pits 14 are separated.
[0019]
1 and 2, the longitudinal end of the earth and sand pit 14 is not shown, but a partition separating the outside is provided in this part, and the earth and sand pit 14 has four rounds. It is separated by a partition.
[0020]
The sides of the first-floor partition wall 20 are entrance and exit passages for the unloading vehicle 12. On the floor 22 of the second floor portion of the soundproof house 18, a second floor partition 24 is provided upright at a position approximately halfway in the width direction, and a hopper 23 into which excavated earth and sand S is charged is provided.
[0021]
The hopper 23 is for loading the excavated earth and sand S on the unloading vehicle 12 entering immediately below the hopper 23. In the case of the present embodiment, the hopper 23 is spaced apart from the movable backhoe 16 by a predetermined interval. Two hoppers 23 and two movable backhoes 16 are used to carry out the excavated earth S efficiently.
[0022]
In the case of the present embodiment, a backfill pouring plant 25 used for shield construction is installed on the floor 22 of the second floor of the soundproof house 18, and excavated soil S is supplied from the inside of the pit to the third floor. A conveyer 26 to be carried out, and a shuttle conveyor 27 for uniformly feeding the excavated earth and sand S received from the conveyor 26 into the earth and sand pit 14 are provided.
[0023]
A pair of guide rails 28 are laid at opposing positions between one side wall 19 of the soundproof house 18 and the second-floor partition wall 24, and the guide rails 28 are located immediately above the earth and sand pit 14. The movable backhoe 16 runs on the guide rail 28.
[0024]
In the case of the present embodiment, two movable backhoes 16 are mounted on the guide rail 28. Details of the mobile backhoe 16 are shown in FIGS. The movable backhoe 16 shown in these figures includes a driver's cab 16b supported by a swivel 16a, an arm 16c that can swing, and a bucket 16d attached to the tip of the arm 16c.
[0025]
A moving mechanism 30 for moving the backhoe 16 by itself along the guide rails 28 is provided below the swivel base 16a. The moving mechanism of this embodiment is of an electric drive type, and includes an electric motor 30a, a driving system driving wheel 30b, the driven wheel 30c, a non-driving system driving wheel 30d, and a driven wheel 30e.
[0026]
As shown in detail in FIGS. 4 and 5, the driving system driving wheel 30b has a pair of identical components arranged coaxially, and is connected to a rotating shaft of the electric motor 30a via a chain 30f. When 30a is driven, it rotates with it.
[0027]
The driving system driven wheel 30c is formed of a pair of the same configuration, and each driven wheel 30c meshes with the driving system driving wheel 30b, and the pair of driven wheels 30c sandwich the guide rail 28 so that Located on both sides.
[0028]
The non-drive system driving wheel 30d and the driven wheel 30e have substantially the same configuration as the driving system driven and driven wheels 30a, 30b except for the connection with the electric motor 30a.
[0029]
In the case of the present embodiment, the electric motor 30a, the driving system driving wheel 30b, and the driven wheel 30c are arranged diagonally on the movable backhoe 16. The member indicated by reference numeral 30g in FIG. 3 is an escape prevention device for fixing the backhoe 16 to the guide rail 28.
[0030]
In the moving mechanism 30 configured as described above, when the electric motor 30a is rotationally driven, the rotation is transmitted to the driving system driving wheel 30b and the driven wheel 30c, and the driven wheel 30c rolls on the side surface of the guide rail 28. Accordingly, the backhoe 16 can be moved along the guide rail 28.
[0031]
In the excavated sediment collecting and discharging facility 10 configured as described above, the unloading vehicle 12 is caused to enter the soundproof house 18 and is positioned immediately below the hopper 23, and is moved into the sediment pit 14 by the bucket 16 d of the movable backhoe 16. When the excavated soil S is picked up and put into the hopper 23, the excavated soil S can be loaded on the unloading vehicle 12.
[0032]
In this case, the movable backhoe 16 scoops up the excavated sediment S appropriately with the bucket 16 d while moving along the guide rail 28, and the excavated sediment S is injected into the sediment pit 14 by the shuttle conveyor 27 by moving the backhoe 16 or the like. Perform this operation without interfering with the operation.
[0033]
Now, according to the excavated sediment accumulation / unloading facility 10 configured as described above, the sediment pit 10 on which the excavated sediment S accumulates and the guide rail 28 provided immediately above the sediment pit 14 are traveled. And a movable backhoe (loading heavy machine) 16 for loading the excavated earth and sand S in the unloading vehicle 12, so that the excavated earth and sand can be provided around the earth and sand pit 14 without providing a turning space for the backhoe (unloading heavy machine). S can be loaded on the unloading vehicle 12, thereby saving the space of the earth and sand pit 14.
[0034]
In the case of the present embodiment, the mobile unloading heavy machine has the bucket 16d supported swingably and uses the movable backhoe 16 which is self-propelled by the electric drive along the guide rail 28, so that the noise is reduced. And exhaust gas can be significantly reduced.
[0035]
In the case of the present embodiment, the guide rail 28 is installed on the second floor of the soundproof house 18 that covers the outside of the earth and sand pit 14, and the excavated soil S is formed on the floor 22 of the second floor of the soundproof house 18. Is installed and the unloading vehicle 12 enters and exits immediately below the hopper 23 on the first floor of the soundproof house 18, so that the noise when loading the excavated soil S on the unloading vehicle 12 and the backhoe 16 It is possible to significantly reduce the driving noise and the like emitted to the outside.
[0036]
In the above embodiment, the backhoe 16 is exemplified as the movable transport heavy machine, but the present invention is not limited to this.
[0037]
【The invention's effect】
As described above in detail, according to the excavated earth / sand accumulating / unloading facility of the present invention, space saving of the earth and sand pit can be achieved.
[Brief description of the drawings]
FIG. 1 is a side view of a facility showing an embodiment of a facility for collecting and transporting excavated earth and sand according to the present invention.
FIG. 2 is a plan view of FIG.
FIG. 3 is a side view of a mobile backhoe used in the excavated earth and sand accumulation and removal facility according to the present invention.
FIG. 4 is a plan view of FIG. 3;
FIG. 5 is an enlarged view of a main part of FIG. 3;
FIG. 6 is a front view of FIG. 5;
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Accumulation unloading equipment 12 Unloading vehicle 14 Earth and sand pit 16 Mobile backhoe (Unloading heavy equipment)
18 soundproof house 20 1st floor partition 22 floor 23 hopper 28 guide rail 30 moving mechanism S excavated earth and sand

Claims (3)

At the construction site of the shield work, excavated sediment is temporarily accumulated, and the excavated sediment accumulates and transports the equipment to a dump truck or other export vehicle.
An earth and sand pit for accumulating the excavated earth and sand,
A moving unloading machine that runs on a guide rail provided immediately above the sediment pit and loads the excavated sediment in the sediment pit onto the unloading vehicle. . The excavated earth and sand according to claim 1, wherein the mobile unloading heavy machine has a bucket supported swingably, and uses a movable backhoe that is self-propelled by electric drive along the guide rail. Stacking and unloading equipment. A guide rail is installed on the second floor of the soundproof house that covers the outside of the earth and sand pit, and a hopper for charging the excavated earth and sand is installed on the floor of the second floor of the soundproof house. 3. The excavated soil carrying-out facility according to claim 1, wherein the carrying-out vehicle is made to enter and leave the floor portion directly below the hopper. 4.

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