JP3689165B2 - Material and material transport structure for uplift excavation - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention is made by connecting the trailing bogie viewed from the front gate-shape behind the drilling machine body, to an equipment carrier structure for ramped drilling in tunneling machine for excavating at up off the inclined shaft.
[0002]
[Prior art]
Conventionally, in a tunnel excavator, a portal type follower truck is connected to the rear of the excavator body via a tow beam and the excavator is pulled by the tow beam and the like as the excavator body advances. A device in which the main body and the following carriage are advanced simultaneously is known. In addition, in order to transport materials and equipment necessary for excavation (reaction steel, support, disk cutter, sleepers, rails, etc.) to the front, a wagon loaded with these materials travels to the inner space of the subsequent carriage. It is also known.
[0003]
By the way, also in the tunnel excavator (cut-down TBM) excavating the inclined shaft by cutting down, as described above, the following cart is pulled to the excavator main body and the materials and equipments are transported using the cart. . In the case of this cut-down TBM, since the cart is moved to the excavator main body side along the downward slope, the cart is pulled by the cable from the rear side of the excavation tunnel via the sheave. In addition, the materials and equipment transported forward by the trolley are unloaded to the excavator body side by lifting means such as a hoist attached to the succeeding carriage.
[0004]
[Problems to be solved by the invention]
However, when the above-described material / material transporting method is applied to a tunnel excavator (rounded-up TBM) for excavating a tilt shaft, the following problems occur.
(1) Since it is necessary to lift the cart along the slope of the upward slope, a relatively large sheave around which the tow cable for this cart is to be wound must be attached to the front end of the following carriage and the front end of the cart. I must. For this reason, if it is attempted to avoid interference between these sheaves, the cart cannot be moved to the forefront of the succeeding carriage.
(2) Unloading of materials and materials from the trolley is performed by lifting means attached to the following carriage. In the case of a rounded-up TBM, the tip of the lifting means such as the wire is at the base end. On the other hand, it will come to the rear side, and unloading to the excavator body side cannot be performed.
[0005]
The present invention is cut for the purpose of solving such problems, the tunneling machine for excavating at up off the inclined shaft, which can be carried out smoothly move the equipment to the excavator body from human cart The purpose is to provide materials and equipment transport structures for ascending excavation .
[0006]
[Means for solving the problems and actions / effects]
In order to achieve the above-mentioned object, the material / material transport structure for round excavation according to the present invention is:
Behind the excavating machine body becomes linked subsequent truck front view gate-shape, and the tunneling machine for excavating at up off the inclined shaft,
And human carts for movably provided equipment conveying said subsequent carriage in the same direction inside space of the succeeding carriage,
Provided in front of the person cart, and a carriages to move from the interior space of the subsequent carriage receiving the equipment being transported to the rear of the excavator body by the person cart,
The carriages, movable in at least the longitudinal direction of the carriages by lifting the equipment, and is characterized in providing a lifting and transfer means capable unload the required position of the excavator body .
[0007]
In the present invention, the materials and equipment that have been transported to a predetermined position of the succeeding carriage by the trolley are transferred from the trolley to the loading carriage, and the loading carriage is moved to the rear part of the excavator body, and Lifting / moving means installed on the carriage lifts the equipment loaded on the carrying truck and moves further forward, and these equipment are unloaded into the excavator body. In this way, even in a tunnel excavator that excavates a tilt shaft, the materials and equipment can be smoothly transported to the rear position of the excavator body without interfering with the sheaves used for towing the cart. Can be unloaded.
[0008]
In this invention, it is preferable that the said carrying cart is guided and moved by the guide rail provided in the inner surface of the said succeeding cart, and the inner surface of the traction beam which connects the said succeeding cart and the said excavator main body. If comprised in this way, since it will be possible to guide a carrying-in trolley | bogie using the member which already exists, without providing a special flame | frame separately, an extra member will be arrange | positioned in a mine and it will become an obstacle on operation | work. In addition, it is possible to avoid an increase in cost.
[0009]
Furthermore, it is preferable that the succeeding carriage is provided with delivery means for delivering materials and equipment from the carriage to the carry-in carriage. When such a delivery means is provided, there is less possibility that the equipment will interfere with other members during the delivery work, compared to the case where the equipment is delivered using the lifting / moving means on the loading carriage. Smooth delivery can be performed.
[0010]
In this case, it is preferable that the carry-in cart includes a material / equipment storage place on which the material / equipment is placed. In the equipment equipped with such equipment and equipment storage area, the equipment is delivered from the wagon to the equipment equipment storage area of the carry-in cart by the delivery means provided in the succeeding carriage, and then the equipment placed in the equipment and equipment storage area. Is moved to the front of the loading carriage by the lifting / moving means, and the materials and equipment are unloaded into the excavator body by the lifting / moving means. In this way, the roles of the delivery means and the lifting / moving means can be shared, and the materials and equipment can be moved more smoothly.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Next, specific examples of the material / material transport structure for uplift excavation according to the present invention will be described with reference to the drawings.
[0012]
FIG. 1 is a longitudinal sectional view of a tunnel excavator according to an embodiment of the present invention, and FIG. 2 is a front view of the tunnel excavator.
[0013]
A tunnel excavator (TBM) 1 according to the present embodiment is used for excavating an inclined tunnel for water conveyance in a power plant, for example. In this tunnel excavator 1, a cylindrical skin plate 2 is provided, and a cutter head 4 is rotatably supported via a cutter head support 3 inside the front side of the skin plate 2. A large number of disc cutters 5 are mounted on the front surface of the face plate 4 a of the cutter head 4, and a plurality of shear inlets 6 are arranged on the outer peripheral portion of the face plate 4 a. A scraper 7 is disposed on the rear side of the cutter head in the direction of rotation to scrape excavation scraps. Thus, the excavated shear excavated by the rotation of the cutter head 4 is guided to the outer peripheral portion of the cutter head 4 and is scraped by the scraper 7 at the outer peripheral portion and taken into the machine from the shear intake port 6. Thereafter, the excavation shear taken into the machine is guided from the hopper 8 disposed in the cutter head 4 to the rear shear chute 9, and is dropped and conveyed to the rear bottom base by the shear chute 9. .
[0014]
A main gripper 10a is supported by a gripper frame 10 behind the cutter head support 3, and a large number of thrust jacks (lattices) for propelling the excavator body are provided between the cutter head support 3 and the gripper frame 10. Jack) 11 is arranged. The cutter head support 3 is provided with a front gripper 12 used for stabilization during excavation and for supporting the cutter head support 3 with respect to the tunnel well wall when excavation is completed.
[0015]
Further, a large number of first shield jacks 13 and second shield jacks 14 are attached to the gripper frame 10 in the rearward direction, and the front ends of the segments 15 or the reaction force steel material 16 are respectively connected to the tips of the jacks 13 and 14. The weight and propulsion reaction force of the excavator main body are also supported by being applied to. This embodiment is an example in which the reaction steel 16 is assembled only at the lower position of the tunnel pit wall, and the excavator in excavation is performed by fixing the second shield jack 14 to the reaction steel 16 together with excavation. The body load is supported.
[0016]
In such a configuration, when excavating a good ground, in addition to the second shield jack 14 described above, a thrust force is applied to the cutter head support 3 by the thrust jack 11 while a reaction force is applied to the tunnel well wall by the main gripper 10a. Excavation is carried out by transmitting and rotating the cutter head 4. On the other hand, when excavating soft ground that requires assembly of the segments 15, excavation is performed by operating the first shield jack 13 while further applying reaction force to the segments 15.
[0017]
The front end portions of the pair of left and right traction beams 20, 20 are pivotally supported in the rear lower portion of the gripper frame 10 so as to be pivotable in the vertical direction. The front end face is pivotally supported so as to be rotatable in the vertical direction. As shown in FIGS. 3 to 5, the subsequent carriage 21 is formed in a substantially portal shape when viewed from the front, and the adjacent subsequent carriages 21 are connected to each other via connecting members 22 and 23. The wheel 24 attached to the vehicle is guided on the rail 25 so that it can run in the front-rear direction. Note that a support frame 26 for placing various devices (operation panel, control panel, pump, sprayer, etc.), a step 27 for passing the operator, a handrail 28, etc. Is provided.
[0018]
Inside the portal-shaped inner space of the succeeding carriage 21, a cart 30 for transporting workers and materials (reaction force steel, support, disk cutter, sleepers, rails, etc.) 29 necessary for excavation forward. Is provided. The cart 30 can travel in the same direction as the succeeding carriage 21 by a wheel 31 attached to the lower surface being guided on a rail 32. In the traveling of the cart 30, a cable 35 is wound around a sheave 33 attached to the front succeeding carriage 21 and a sheave 34 attached to the front end of the cart 30. This is performed by being fixed to the subsequent carriage 21 and being pulled by a winch (not shown) on the base end side. The passenger cart 30 can be advanced to a position where the two sheaves 33 and 34 do not interfere with each other (position shown in FIG. 3).
[0019]
In the succeeding carriage 21, a horizontally oriented rail 36 is installed above the front side of the wagon 30, and a hoist 37 serving as a delivery means is provided along the rail 36 so as to be able to travel (note that The hoist 37 may be a fixed type.) The hoist 37 serves to lift up the equipment 29 loaded on the passenger cart 30 and deliver it to the equipment storage area 42 on the carry-in cart 39 described later. In the case of the present embodiment, the rail 36 is located in the vicinity of the boundary between the most advanced succeeding carriage 21 and the second succeeding carriage 21.
[0020]
Further, guide rails 38 are attached to the two inner side surfaces of the most advanced trailing carriage 21 and the inner side surfaces of the respective traction beams 20, and a portal-shaped carrying cart is guided by the guide rails 38. 39 is provided so as to be movable from the most advanced position of the cart 30 to the most distal portion of the traction beam 20. As a moving means of the carry-in carriage 39, a self-propelled type in which a pinion (or sprocket) on the carry-in carriage 39 side meshes with a rack (or roller chain) provided on the guide rail 38 side, or a winch, a cable, and a sheave. Any of the tow type used may be used.
[0021]
A rail 40 is fixed to the lower surface of the top of the carry-in carriage 39 in the same direction as the guide rail 38, and a hoist 41 as a lifting / moving means is provided along the rail 40 so as to be able to travel. Further, a material / equipment storage place 42 is attached to the base end side (rear part) of the carry-in cart 39. In FIG. 3, reference numeral 43 denotes a winch for towing and running the hoist 41. However, if a self-propelled hoist is used, the winch 43 is not necessary.
[0022]
Since the tunnel excavator of the present embodiment is configured as described above, the equipment 29 conveyed to the predetermined position of the succeeding carriage 21 by the trolley 30 is received by the hoist 37 that travels along the rail 36. The material is delivered from the cart 30 to the equipment / equipment yard 42 on the carry-in cart 39 in standby. Next, the carriage 39 moves along the guide rail 38 to the most advanced portion of the traction beam 20 with the equipment 29 loaded, and the hoist 41 on the carriage 39 is placed on the equipment yard 42 at the most advanced portion. The placed equipment 29 is lifted and moved further forward along the rail 40, and the equipment 29 is unloaded into the excavator body at a required position.
[0023]
In the present embodiment, the hoist 37, 41 is used as the delivery means and lifting / moving means for the equipment 29, but in addition to this, a chain block or an overhead traveling traveling crane may be used. .
[0024]
In the present embodiment, the hoist 41 is configured to be movable only in the front-rear direction of the carry-in cart 39. However, the hoist 41 can be configured to be movable in the left-right direction in addition to the front-rear direction.
[0025]
In the present embodiment, the material / equipment storage place 42 is provided on the carry-in carriage 39. However, the equipment / equipment 29 is directly moved from the wagon 30 by the hoist 41 on the carry-in carriage 39 without providing the equipment / equipment place 42. An embodiment in which the vehicle is lifted and the carry-in carriage 39 and the hoist 41 are moved forward in this state to unload to a required part is also possible. In this case, the hoist 37 provided in the succeeding carriage 21 is not necessary.
[Brief description of the drawings]
FIG. 1 is a longitudinal sectional view of a tunnel excavator according to an embodiment of the present invention.
FIG. 2 is a front view of the tunnel excavator of the present embodiment.
FIG. 3 is a longitudinal sectional view of the rear part of FIG. 1 of the tunnel excavator of the present embodiment.
4 is a cross-sectional view taken along the line AA in FIG. 3;
FIG. 5 is a view taken in the direction of arrow B in FIG. 3;
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Tunnel excavator 20 Tow beam 21 Subsequent cart 25,32,36,40 Rail 29 Equipment 30 Person cart 33,34 Sheave 35 Cable 37 Hoist (delivery means)
38 Guide rail 39 Carriage truck 41 Hoist (lifting / moving means)
42 Equipment storage

Claims (4)

Behind the excavating machine body becomes linked subsequent truck front view gate-shape, and the tunneling machine for excavating at up off the inclined shaft,
And human carts for movably provided equipment conveying said subsequent carriage in the same direction inside space of the succeeding carriage,
Provided in front of the person cart, and a carriages to move from the inner space of the subsequent carriage receiving the equipment being transported to the rear of the excavator body by the person cart,
Said carriages, at least the front-rear direction movable, ramped drilling and providing a lifting and transfer means capable unload the required position of the excavator body of the carriages by lifting the equipment Material / material transport structure . The carriages are to claim 1, characterized in that it is moved the subsequent carriage of the inner surface and the trailing bogie and said by being guided by the excavator guide rail provided on the inner surface of the traction beam for connecting the body Material and material transport structure for uplift excavation as described. Before SL subsequent carriage, equipment carrier structure for ramped drilling according to claim 1 or 2, characterized by providing a transfer means for transferring the equipment to the carriages from the person cart. The material carrying structure for uplift excavation according to claim 3, wherein the carry-in cart includes a material / equipment storage place on which the material / equipment is placed.

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