JP3129356B2 - Pit equipment and equipment delivery method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to equipment for taking out slips and carrying in and out equipment in a shaft for shield work.

[0002]

2. Description of the Related Art FIG. 7 shows an example of a method of excavating a shield shaft with a hanging bucket. Earth and sand 3 excavated by an excavator 2 in a shield shaft 1 are cut into a clam shell bucket 101 of a lifting machine 100. , And remove the waste outside the pit to construct a shaft. In addition, equipment such as segments will be replaced with buckets and lifting gear, and then carried into the shaft.

FIG. 8 shows an example of excavating and transporting earth and sand when constructing a vertical hole having a large cross section. The earth and sand excavated by the excavator 2 is put on a conveyor belt 33 by an earth and sand loading device 31 and a telescopic boom 32 and is excavated.
4 to be carried out. FIG. 9 shows an example of a vertical / horizontal transport device for a segment in shield construction. The carrier 3 of the elevating device 36 is moved by the segment loading cart 35 at the top of the shaft.
The segment 12 brought into the pallet 7 is transported vertically, is loaded on a segment transport trolley 40 running in the mine by the transfer device 39, and is transported horizontally to the shield machine 41.
The extra segment 12 is stored in the segment stocker 42.
Is temporarily stored in the warehouse and stored when needed.

[0004]

The above-mentioned prior art has the following problems. When Ru good drilling system of FIG. 7, sling materials and equipment, such as clam shell buckets or segment is simply because only there is no guide mechanism are suspended by wire ropes, suspended load swings, work with intake shaft and out It is a dangerous and dangerous work environment for those who do.

In recent years, the effective use of underground space has been called for, but the shallow part of the underground of a tunnel is saturated, and recently the depth of the tunnel is shifting to a depth exceeding 50 m. Thus outgoing intake shaft also deep reduction, since further risk is increased,
There is a high need for a shearing-out device and a material carrying-in device that are safe and can smoothly deliver a vertically processed material. The equipment shown in FIGS. 8 and 9 is equipment for large-scale construction, and the cost required for the construction is extremely high.

SUMMARY OF THE INVENTION It is an object of the present invention to eliminate the above-mentioned problems in the prior art, and to provide a shaft equipment and a method for carrying in materials and equipment which are safe and relatively inexpensive to construct.

[0007]

Means for Solving the Problems (1) A guide is provided along the pit wall, and a slipping bucket or a material gripping device is exchangeably mounted on a hanging tool at the lower end of the wire rope, and these members are guided. Up and down along. (2) Instead of the wire rope and the hanging tool of the above (1),
A traveling member having a driving means that can move up and down along a guide is provided, and a slipping bucket or a material gripping device is detachably mounted on the traveling member. (3) A discharge device for receiving the earth and sand from the shearing bucket and a loading device for supplying the equipment to the equipment gripping device will be installed on the ground. (4) A loading device (an equipment
Material loading device) is attached to the ground rail and the tip of the ground rail.
It is provided continuously and extends to the lower part of the equipment gripping device
Movable evacuation rail, the ground rail and
It travels on a dynamic evacuation rail and is delivered to the equipment gripper
Equipment carrying truck on which the equipment to be mounted is placed,
Hand for retreating and retracting the evacuation rail with respect to the ground rail
With steps. (5) Transport of equipment using the equipment transport device of (4) above
The loading method is as follows.
The rail and the tip of the ground rail are provided continuously.
By running along the movable evacuation rail,
To the lower part of the equipment gripping device that moves up and down along the guide member
And reaching the lower part of the equipment gripping device.
The above-mentioned materials and equipment placed on the above-mentioned material and equipment carrying cart are
A step of gripping by the equipment gripping device, and
Retracting to the ground rail side;
The escape rail is bent with respect to the ground rail,
Retracting from the lower part of the material gripping device, and
Hold the gripped equipment gripping device along the guide member.
Lowering and before lowering along the guide member
A step of releasing the equipment gripped by the storage gripping device;
With floors.

[0008]

The earth and sand excavated by an excavator arranged at the bottom of a pit is put into a bucket attached to a wire rope hanging tool or a traveling member, and the bucket is raised along a guide. The earth and sand in the bucket is discharged to the hopper etc. in the ground equipment. When importing equipment, for example, segments,
Ru replaces the bucket attached to the wire rope slings or running member segment gripping device. Next, the segment is placed
Of the transported equipment carrying truck to the ground rail and movable evacuation
To the lower part of the segment gripper
You. Therefore, the segments are supplied to the segment gripping device from the equipment carrying cart . After that, the equipment carrying truck was
Evacuate to the rail side and move the movable evacuation rail to the ground.
Deflected against the upper rail and the lower part of the segment gripper
Evacuate from. The segment gripping device descends the pit along the guide, and transfers the segment to a mine trolley or the like at the bottom of the pit.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to FIGS. In the figure, 1 is a shield shaft, 2 is an excavator, 3
Is the excavated earth and sand, 4 is the frame of the ground equipment, 5 is the winch,
6 is a wire rope, 7 is a slipping bucket, 8 is a traveling guide plate, 9 and 9a are vertical guide bars and inclined guide bars, 10 is a hopper, 11 is a segment holding device, 12 is a segment, 13 is a loading cart, 14 Is a movable evacuation rail, 15 is a ground rail, 16 is an evacuation rail opening / closing cylinder, 17 is an underground transportation vehicle, 18 is a rail moving vehicle, 19
Is a moving rail, 21 is a tunnel, 20, 22 are rails,
34 is a dump truck and 45 is a ground facility.

FIGS. 1 and 2 show the situation when excavating the shield shaft 1, in which a winch 5 is mounted on a frame 4 and a wire rope 6 wound around the winch 5 is used for slipping at the lower end. The bucket 7 is suspended. A running guide plate 8 is attached to the shifting bucket 7, and the shifting bucket 7 can be moved up and down along the guide bars 9 and 9 a via the running guide plate 8.

In such an apparatus, the bottom of the shield shaft 1 is excavated by the excavator 2 and the scooped soil 3 is transferred to the shearing bucket 7. By winding winch 5,
The shearing bucket 7 is lifted up along the guide bars 9 and 9a, the bucket 7 is automatically inverted at the position of the hopper 10, the earth and sand 3 is discharged to the hopper 10, and the earth and sand 3 is transferred to the dump truck 34. The excavated soil 3 is slipped.

By repeating such operations, the shield shaft 1
The bottom of the pit is excavated and slipped, and the shield shaft 1 is constructed. FIGS. 3 to 6 show typical examples of the case where materials and equipment are carried into the tunnel 21 along with the shield excavation.
The situation where the segment 12 is carried in is shown. The bucket 7 used for excavation is replaced with a segment gripping device 11 having a traveling guide plate 8, and the gripping device 11 is hung by a wire rope 6.

On the ground, a carry-in vehicle 13 having a segment 12 is mounted on a ground rail 15 and a movable escape rail 14.
It travels above and reaches the lower part of the segment gripping device 11. Therefore, the segment 12 is gripped by the segment gripping device 11 and slightly wound up by the winch 5. Next, the empty loading carriage 13 is retracted, and the movable retracting rail 14 is refracted and retracted to the position 14 'by the contraction operation of the cylinder 16.

When the winch 5 is lowered, the segment holding device 11 holding the segment 12 is guided by the traveling guide plate 8 attached thereto to guide the guide bars 9, 9.
a, the segments 12 are released on the underground transport vehicles 17 waiting at the bottom of the shield shaft 1, and the segments 12 are transferred to the underground transport vehicles 17. The underground transport vehicle 17 can travel on a movable rail 19 attached to a rail movable vehicle 18.
8 travels on a rail 20 installed at the bottom of the pit, and connects the moving rail 19 to the rail 22 guided into the tunnel 21.

Underground transport vehicle 1 loaded with segments 12
7 is driven and moved from the moving rail 19 to the rail 22 to convey the segment 12 into the tunnel 21. As another embodiment, although not shown, the bucket 7 and the equipment gripping device 11 can be detachably attached to the travel guide plate 8 so that the travel guide plate 8 travels along the vertical guide bar 9. By providing a driving device (for example, a self-propelled motor), the same operation as in the above embodiment is performed.

[0016]

The pit equipment according to the present invention comprises a guide member installed along a pit wall, a wire rope suspended along the guide member, or a traveling member moving up and down along the guide member, and a wire rope. A sliding bucket and a material gripping device which are exchangeably mounted on the lower end of the vehicle or a traveling member and are slidable along the guide member, and a sediment discharging device and a material loading device provided in the ground equipment. Shaft
In the equipment, the equipment loading device includes a ground rail,
It is provided continuously at the tip of the ground rail, and
A movable evacuation rail extending to a lower portion of the holding device;
Traveling on the upper rail and the movable evacuation rail,
Transporting equipment with the equipment to be delivered to the equipment gripper
The moving vehicle and the movable evacuation rail are opposed to the ground rail.
The following effects can be obtained by providing the means for refracting and retracting . (1) From the slippage during the shaft excavation to the carrying in of the equipment during the shield excavation, the shearing bucket and the equipment gripping device are guided by the guide bar to move up and down. Therefore, the swinging and displacement of the shearing bucket and the equipment gripping device are reduced, and safety is improved. (2) By replacing attachments such as buckets attached to the lower end of the wire rope, it is possible to effectively utilize the versatile use such as slippage when excavating a shaft and carrying in a segment when excavating a shield. (3) Combination with an excavator installed in the bottom of a pit, an underground transport vehicle, etc., enables continuous removal of slippage during pit excavation and loading of materials during shield excavation, thereby improving work efficiency. improves. (4) When bringing materials and equipment into the mine,
After being handed over to the gripping device,
The construction of retracting the evacuation rail makes it possible to carry materials and equipment.
Only the equipment placed on the trolley can be carried in
Therefore, guide members, wire ropes, and equipment
The required strength should be reduced by the weight of the equipment carrying cart.
Therefore, economical shaft equipment can be realized.

According to the method for carrying in materials and equipment according to the present invention,
By using a loading truck for the ground,
The grasped equipment is transported into the bottom of the pit, and then the equipment
Until the lifting equipment reaches the ground again,
The car transports the next equipment to be transported to the lower part of the equipment gripping device
And efficiently transport equipment and materials from the ground to the downhole.
it can.

[Brief description of the drawings]

FIG. 1 is an elevational view showing an embodiment of the present invention during shaft excavation.

FIG. 2 is a view as viewed from A in FIG.

FIG. 3 is an elevation view showing an embodiment of the present invention when a segment is carried in.

FIG. 4 is a view as viewed from B in FIG. 3;

FIG. 5 is a view taken in the direction of arrows CC in FIG. 3;

FIG. 6 is a view as viewed in the direction of the arrow DD in FIG. 3;

FIG. 7 is an elevation view showing a conventional shield shaft excavation situation.

FIG. 8 is an elevational view showing a state of a conventional large-section vertical hole excavation.

FIG. 9 is an elevational view showing a conventional shield segment loading situation.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Shield shaft 5 Winch 6 Wire rope 7 Slip-out bucket 9 Vertical guide bar 9a Inclined guide bar 45 Ground equipment

──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Kazunari Kuroda 7-14, Wadamiya-dori, Hyogo-ku, Kobe City, Hyogo Pref. JP, A) JP-A-4-272399 (JP, A) JP-A-2-194297 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) E21D 1/00 E21D 7/00 E21D 11/40

Claims (3)

(57) [Claims] 1. A guide member installed along a pit wall;
A wire rope suspended along the guide member,
The apparatus includes a bucket and a material gripping device that are interchangeably attached to the lower end of the wire rope and that can slide along the guide member, and a sediment discharging device and a material loading device that are provided on the ground equipment. In the solid pit facility, the equipment carrying-in device is provided continuously with a ground rail and a tip of the ground rail, and the equipment handling equipment is provided.
A movable evacuation rail extending to a lower portion of the holding device, and traveling on the ground rail and the movable evacuation rail.
Then, the equipment delivered to the equipment gripping device was placed.
The material carrying cart and the movable evacuation rail are bent and retracted with respect to the ground rail.
A shaft pit facility comprising: means for evacuating . 2. A guide member installed along a pit wall;
A traveling member that can travel along the guide member, a means for driving the traveling member, a shearing bucket and a material gripping device detachably attachable to the traveling member,
In a solid pit facility provided with a sediment discharge device and a material and equipment loading device provided in the ground equipment, the material and material loading device is provided continuously with a ground rail and a tip of the ground rail, and the material and material holding device is provided.
A movable evacuation rail extending to a lower portion of the holding device, and traveling on the ground rail and the movable evacuation rail.
Then, the equipment delivered to the equipment gripping device was placed.
The material carrying cart and the movable evacuation rail are bent and retracted with respect to the ground rail.
A shaft pit facility comprising: means for evacuating. 3. A guide member installed along a pit wall.
In the method of bringing in equipment and materials into the shaft,
The equipment carrying truck on which the equipment is placed
Movable evacuation provided continuously at the end of the ground rail
By running along the rail, the guide member
To reach the lower part of the equipment gripper that goes up and down along
And loading the equipment and materials reaching the lower part of the equipment gripping device.
The equipment / equipment holding device grips the equipment / equipment placed on the cart.
And a step of retracting the equipment carrying truck to the ground rail side.
Floor and the movable evacuation rail is bent relative to the ground rail.
Retracting from the lower part of the equipment gripping device, and guiding the equipment gripping device holding the equipment
Lowering along the member, and the equipment gripping device lowered along the guide member.
Releasing the gripped material and equipment.