JP2006249789A - Pneumatically sending capsule type earth pumping facility - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To efficiently discharge muck continuously discharged from a shaft excavator, by compactly constituting a muck input part. <P>SOLUTION: A capsule delivery device 21 has the muck input part 6 having an input chute 7 for receiving the muck from a bucket conveyor 4b, a carrying duct 11 for pneumatically sending and carrying a loaded capsule C and a return duct 12 for pneumatically sending and returning an empty capsule C arranged between the muck input part 6 and an aboveground side muck discharge part 8, and an air driving device 13 for sucking and sending driving air from and to the carrying duct 11 and the return duct 12; and is provided with the muck input part 6 having a carrying-in rocking arm 22 for transferring the empty capsule C to a muck receiving lifter 25 of a discharge part 7a of the input chute 7 from a capsule receiving lifter 24 of an outlet of the return duct 12, and a carrying-out rocking arm 23 for transferring the loaded capsule C to a capsule sending-out lifter 26 of an outlet of the carrying duct 11 from the muck receiving lifter 25. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an air-feeding capsule type earthing facility that uses a capsule to discharge a gap excavated by a shaft excavator and continuously discharged.

2. Description of the Related Art Conventionally, for example, a capsule transport device disclosed in Patent Document 1 discloses a soil removal device that transports a gap discharged from a shaft excavator to the ground via a capsule. In this earth removal device, earth and sand excavated by a cutter of a shaft excavator are transported by muddy water by a conveying means and temporarily stored in an excavated matter storage part (tank), and then put into a capsule, and the capsule is passed through a transport pipe. It is transported by air to the ground.
JP 2003-328688 A

  However, in the above earth removal device, a large volume of excavated material storage part (tank) is stored in the upper part of the shaft excavator in order to separate and store the slurry transported from the excavation part of the shaft excavator by solid-liquid separation using a filter. is set up. At the top of this shaft excavator, it is necessary to install a lot of equipment such as the excavator's cutter drive source and the hydraulic unit that serves as the gripper drive source. There was a problem that the space could not be used effectively.

  An object of the present invention is to solve the above-described problems and to provide an air-feeding capsule type earthing facility that can efficiently discharge by constructing a compact throwing-in portion continuously discharged from a shaft excavator.

  The invention according to claim 1 is an air-feeding capsule type earthing facility for transporting a gap continuously discharged from a gap discharge conveyor of a shaft excavator to the ground by a capsule, and supplying the gap from the gap discharge conveyor to the capsule A slot insertion unit having an input chute, a conveyance duct and a return duct that are installed across the slot input unit and the ground side discharge unit, and air for transporting capsules, and air for driving capsules to the transfer duct and return duct. An air feeding drive device for supplying and discharging, a carry-in swing arm for transferring an empty capsule from the outlet of the return duct to the discharge portion of the input chute, and an actual capsule from the discharge portion of the input chute A capsule delivery device having a carry-out rocking arm that transfers to the outlet of the duct is provided.

  The invention according to claim 2 is an air-feeding capsule type earthing facility that transports the slurry continuously discharged from the slip discharge conveyor of the shaft excavator to the ground by the capsule, and supplies the slip from the slip discharge conveyor to the capsule. A slipping-in part having a charging chute, a relay container disposed in the middle part of the shaft, a transport duct and a return duct that are installed across the slipping-in part and the relay container and air-carry the capsule, and the relay container A carry-in / out duct that is installed over the ground-side gap discharge section and feeds and conveys the gap in the relay container by the unloading capsule, and air for supplying and discharging capsule drive air to and from the transfer duct, the return duct, and the carry-in / out duct, respectively. A carry-in swinging arm for transferring an empty capsule from the outlet of the return duct to the discharge part of the charging chute , It is provided with a capsule transfer device having a discharge swing arm for transferring the outlet of the conveying duct actual capsule from the discharge portion of the input chute.

  According to a third aspect of the present invention, the slip discharge conveyor is configured to swivel around the same vertical axis along with the input chute, and the discharge portion of the input chute is disposed on the vertical axis, and the transport duct. The inlet and return duct outlets are arranged outside the swivel movement space of the sludge discharge conveyor, and the carry-in rocking arm and carry-out rocking arm each have a free end capsule holding section that crosses the swivel movement space of the sludge discharge conveyor. Thus, it can be freely rotated around the vertical axis.

  According to the first aspect of the present invention, the return duct and the transport duct are provided, and the capsule delivery device uses the two swinging arms between the outlet of the return duct and the discharge portion of the input chute, Since the capsule is transferred between the discharge portion and the exit of the transport duct, the shift continuously discharged from the shift discharge conveyor can be sequentially put into the capsule and the shift can be efficiently carried out. This eliminates the need for a large-capacity excavation reservoir in the upper part of the shaft excavator, and makes it possible to effectively use the upper space of the shaft excavator.

  According to invention of Claim 2, in addition to the effect of Claim 1, the relay container is arrange | positioned in the intermediate part of a shaft, a gap is once stored, and also the earthen capsule into which the gap was thrown from the relay container was added. Since it is transported by air using the carry-in / out duct, it is possible to effectively absorb the fluctuation of the slip discharge amount without occupying the upper space of the shaft excavator.

  According to the third aspect of the present invention, even if the slip discharge conveyor is swiveled around the vertical axis, the discharge portion of the input chute is arranged on the vertical axis that is the swivel center, and the carry-in swing arm Since the capsule holding part provided at the free end of the unloading swing arm is swung so as to cross the swivel movement space of the slip discharge conveyor, the capsules are continuously loaded into and unloaded from the discharge part of the loading chute. Can be discharged efficiently.

[Embodiment 1]
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
As shown in FIG. 1, this air-feeding capsule type excavation facility 5 is configured to feed a gap, which is excavated by a shaft excavator 1 and continuously discharged, into a capsule C and air-transported to the ground. .

  The shaft excavator 1 is called a so-called TBM (tunnel boring machine), and a cutter device 3 that excavates the ground by being rotated around a vertical axis (excavation axis) O, for example, at the lower part of the main body 1a. The earth discharging device 4 is provided, and the propulsion device 2 is provided on the top thereof. The earth removal device 4 includes a revolving bucket 4a for continuously scraping excavation sludge (sediment) by a bucket revolving around a horizontal axis, and a bucket for continuously conveying a sludge dropped by the revolving bucket 4a upward. Conveying (slipping discharge conveyor) 4b is configured, and the swivel bucket 4a is swung around the vertical axis (vertical shaft center) O together with the bucket conveyor 4b to collect the slack uniformly from the circumferential direction. I do. Further, the propulsion device 2 is configured such that, for example, gripper devices that press a plurality of pressing bodies against the excavation side wall are arranged in two stages up and down, and the main body 1a is propelled by moving the gripper devices closer to and away from each other.

  At the upper part of the main body 1a of the shaft excavator 1, there is provided a throwing-in part 6 for loading the dumping equipment 5 into the dumping facility 5, and the throwing-in part 6 receives the sand discharged by the bucket conveyor 4b. Is arranged so as to be able to swivel in the swivel movement space M (FIG. 3) integrally with the bucket conveyor 4b, and the discharge portion 7a of the charging chute 7 is arranged on the vertical axis O.

  The air-feeding capsule type earthing equipment 5 is arranged on the outer peripheral side of the swivel moving space M, and connects the slip-in portion 6 and the ground-side slip discharge portion 8 to transport the actual capsule C by air and the empty capsule. There are provided a return duct 12 for air-feeding back C, and an air-feed drive device 13 for sucking drive air into the transport duct 11 and the return duct 12 at the slip discharge portion 8.

  As shown in FIGS. 2 and 3, the slipping-in portion 6 includes a carry-in swing arm 22 for transferring the empty capsule C from the outlet of the return duct 12 to directly below the discharge portion 7 a of the loading chute 7, and the actual capsule C. Is disposed at the lower end outlet of the return duct 12 and the empty capsule C is received in the return duct 12 and lowered to the transfer height. An empty capsule receiving lifter 24, a slip receiving lifter 25 that is installed below the discharge portion 7 a of the charging chute 7 and inserts the empty capsule C, and an actual capsule C that is disposed at the lower end inlet of the transport duct 11 are transferred. A capsule delivery device 21 having an actual capsule delivery lifter 26 fitted into the transport duct 11 from the height is provided.

  The carry-in rocking arm 22 and the carry-out rocking arm 23 of the capsule delivery device 21 are arranged at predetermined angles around vertical axes 22a and 23a by a rocking drive device (not shown) such as a cylinder or a motor on the outer peripheral side of the swivel movement space M. The recesses (capsule holding portions) 22b and 23b formed at the free end portion are supported so as to be freely swingable within the range of 5mm, and are fitted on the body portion of the capsule C, and the pair of locking claws 22c and 23c are opened and closed. Thus, the capsule C can be held open.

  Therefore, the empty capsule C carried in by the return duct 12 is received on the receiving base of the empty capsule receiving lifter 24, the receiving base of the empty capsule receiving lifter 24 is lowered, and the empty capsule C is extracted from the return duct 12. Then, the empty capsule C is fitted into the concave portion 22b of the carry-in swing arm 22 and is held by the locking claw 22c, and the receiving of the slip receiving lifter 25 passes from the top of the empty capsule receiving lifter 24 through the turning movement space M. Transfer to the table. After receiving the displacement of the discharge portion 7a of the loading chute 7 by raising the cradle of the displacement receiving lifter 25, the actual capsule C is fitted into the recess 23b of the carry-out swing arm 23 and held by the locking claw 23c. From the cradle of the receiving lifter 25, it passes through the swivel movement space M and is transferred onto the cradle of the actual capsule delivery lifter 26.

  As shown in FIG. 2, the capsule C has a cylindrical shape in which the transport duct 11 and the return duct 12 are movable, the lower surface is closed and the upper surface is opened, and the transport duct 11 and the return duct 12 are formed around the trunk portion. A seal portion Cs is provided with a predetermined gap therebetween to maintain airtightness and receive air feeding force. A guide roller Cr that guides the inner surfaces of the transport duct 11 and the return duct 12 is provided on the outer periphery of the body portion.

  Moreover, the conveyance duct 11 and the return duct 12 are each hold | maintained through the support frame in the shaft. Since the capsule delivery device 21 descends as the shaft excavator 1 advances, a duct extension device 27 that extends the transport duct 11 and the return duct 12 is provided at each lower end, and when a predetermined distance is excavated. The duct divided bodies 11a and 12a are sequentially connected to the lower end portions of the transport duct 11 and the return duct 12, respectively, and are bolted and extended.

  As shown in FIG. 4, the capsule-side reversing device 8 in which the real capsule C is detached and reversed together with the movable duct 32 constituting a part of the transport duct 11 and the return duct 12 and discharges the gap. 31 is provided. In this capsule inverting device 31, a movable duct 32 that can be fitted into the cutout portions 11b and 12b of the transport duct 11 and the return duct 12 is detachably disposed. A movable duct 32 is movably disposed on a guide rail 33 laid between the transport duct 11, the reverse discharge section 14, and the return duct 12 via a carriage 34 by a travel drive device (not shown). The upper end of the transport duct 11 is provided with a first stopper 35 that receives the actual capsule C sucked and raised by the pressure receiving member 35b, and further pushes it downward by the pushing cylinder 35a and delivers it to the second stopper 36. Further, as shown in FIG. 5, the second stopper 36 synchronizes a plurality of support claws 36a arranged at regular intervals in the circumferential direction through the interlocking link 36b by the cylinder 36c at the lower end of the movable duct 32. Then rotate and leave. Further, as shown in FIG. 6, the reversing drive device 39 provided on the carriage 34 has a movable duct 32 rotatably supported by a bearing 38 provided on the carriage 34 via a horizontal shaft portion 37. The movable duct 32 can be tilted via the horizontal shaft portion 37 by the rack 39b and a partially-notched ring gear 39c by expanding and contracting 39a.

  In the pneumatic driving device 13, a suction pipe 15 having an opening / closing valve 15a is connected from the blower unit 13a to an upper part and a lower part of the cutout part 11b of the transport duct 11, and the upper end side of the suction pipe 15 is set to a negative pressure. Thus, the real capsule C is sucked and transported from the lower end inlet of the transport duct 11. Further, a suction pipe 16 having an opening / closing valve 16a is connected to the upper and lower portions of the notch portion 12b of the return duct 12 from the blower unit 13a, and the upper end side of the return duct 12 is set to a negative pressure, whereby the notch portion 12b. The empty capsule C put in is sucked and transported to the lower end outlet.

  In the above configuration, when the ground is excavated by the shaft excavator 1 and the slip is discharged from the bucket conveyor 4b to the input chute 7 in the slip input unit 6, the empty capsule C returned from the return duct 12 is transferred to the capsule delivery device. 21 is transferred from the receiving base of the capsule receiving lifter 24 to the receiving base of the shift receiving lifter 25 via the carry-in swing arm 22, and the empty capsule C is inserted from the discharge portion 7a. When a predetermined amount of slip is inserted into the empty capsule C, the open / close hopper of the discharge portion 7a is closed, and the actual capsule C is transferred from the receiving base of the shift receiving lifter 25 to the receiving base of the capsule delivery lifter 26 by the carry-out swing arm 23. At the same time, the next empty capsule C is transferred onto the receiving base of the shift receiving lifter 25 by the carry-in swing arm 22, and the input of the shift to the empty capsule C is resumed. The actual capsule C is inserted into the transport duct 11 by the capsule delivery lifter 26, and the actual capsule C is sucked and raised along the transport duct 11 by the air feeding drive device 13.

  In the slip discharge portion 8, the actual capsule C that is sucked up is received by the first stopper 35, and then the actual capsule C is transferred to the second stopper 36 and disposed in the movable duct 32. The actual capsule C is held by a holder (not shown) provided in the movable duct 32. Next, after the seal between the transport duct 11 and the movable duct 32 is released, the movable duct 32 is moved from the notch 11b of the transport duct 11 to the reverse discharge position 14 via the carriage 34, and the reverse drive device 39 transfers the transport duct. 11, the actual capsule C is inverted, and the slip is discharged from the ground chute 40 to a storage hopper (not shown) or a belt conveyor device.

  The empty capsule C together with the movable duct 32 is returned to the original upright posture by the reverse drive device 39, moved from the reverse position 14 to the notch position 12b of the return duct 12, and is fitted and sealed. Then, while the empty capsule C is sucked and decelerated by the air feeding drive device 13, the inside of the return duct 12 is lowered to the slipping-in portion 6.

  According to the above embodiment, the return duct 12 of the empty capsule C and the transport duct 11 of the actual capsule C are provided, and the capsule C is continuously fed by the carry-in rocking arm 22 and the carry-out rocking arm 23 of the loading chute 7. It can be carried into and out of the discharge part 7a. Therefore, the gap continuously discharged from the bucket conveyor 4b can be sequentially put into the capsule C and carried out efficiently. Thereby, the conventional large-capacity excavation storage part can be made unnecessary in the slip input part 6 of the upper part of the shaft excavator 1.

  Even in the bucket conveyor 4b swung around the vertical axis O together with the swivel bucket 4a, the discharge portion 7a of the charging chute 7 is disposed on the vertical axis O which is the swivel center, and the carry-in swing arm 22 is further moved. By rotating the carry-out swing arm 23 so as to cross the swivel movement space M of the bucket conveyor 4b, the capsule C can be carried in and out continuously, and the gap can be discharged efficiently.

[Embodiment 2]
A second embodiment of the air-feeding capsule type earthing facility will be described with reference to FIGS. The same members as those in the first embodiment are denoted by the same reference numerals and description thereof is omitted.

  In the first embodiment, the capsule C is circulated and discharged by the transport duct 11 and the return duct 12, and the gap is discharged. However, in the second embodiment, as shown in FIG. The relay container 51 and the capsule reversing device 31 are installed in the transport container 11 and the return duct 12 to transfer the slurry to the relay container 51 and temporarily store it. The air is conveyed and conveyed to the ground side discharge unit 8 via

  That is, the capsule inverting device 31 provided on the ground side in the first embodiment is installed in the slip relay unit 50. Then, the gap discharged by the reverse discharge unit 14 is put into the relay container 51. In addition, a lifter 53 is disposed at an outlet 51 a with an open / close hopper at the lower end of the relay container 51 and a lower end inlet 52 a of the carry-in / out duct 52, and the lifted capsule Cx is transported between the lifters 53. A transfer device (not shown) is arranged.

  Further, the transport duct 11, the return duct 12, and the relay container 51 are propelled together with the shaft excavator 1, and the duct extension device 57 is installed at the lower end portion of the carry-in / out duct 52 by the slip relay portion 50.

In FIG. 7, 13 </ b> A is an air feeding drive device that sucks air from the transport duct 11 and the return duct 12, and 13 </ b> B is an air feeding drive device that sucks air from the carry-in / out duct 52.
Further, as shown in FIG. 8, the ground-side slip discharge portion 8 is provided with a capsule reversing device 61 that reverses the earthed capsule Cx and discharges the slip. In this capsule inverting device 61, a movable duct 62 that can be fitted into the notch 52b of the carry-in / out duct 52 is detachably disposed. On the guide rail 63 laid between the carry-in / out duct 52 and the reverse discharge section 66, a movable duct 62 is movably disposed via a carriage 64 by a travel drive device (not shown). Then, the actual deep-filled capsule Cx raised along the carry-in / out duct 62 is received by the pressure receiving member 65b of the first stopper 65, and the actual deep-filled capsule Cx is pushed downward by the pushing cylinder 65a to the second stopper 66. Is passed on. Further, the movable duct 62 is moved from the cutout portion 52b of the carry-in / out duct 52 to the reverse discharge portion 66 through the carriage 64 by a traveling drive device (not shown), and the movable duct is moved by the reverse drive device 65 provided on the carriage 64. It tilts through 62 and discharges the gap in the unloading capsule Cx to the ground-side chute 40.

  The movable duct 62 returned to the upright posture is returned from the reverse discharge portion 54 to the cutout portion 52b of the carry-in / out duct 52 via the carriage 64, and the air-carrying drive device 13B sucks and decompresses the air-lifted capsule Cx. While returning downward, it is returned.

  According to the second embodiment, the relay container 51 is disposed in the relay relay section 50 in the middle part of the shaft to temporarily store the shift, and the carry-in / out duct 52 is further transferred from the relay container 51 through the earthing capsule Cx. Since it is used and transported by air, it is possible to effectively cope with fluctuations in the amount of discharge without reducing the space above the narrow shaft excavator 1.

BRIEF DESCRIPTION OF THE DRAWINGS It is a whole block diagram which shows Embodiment 1 of the pneumatic capsule type | formula unloading equipment which concerns on this invention. It is an enlarged front view which shows the shearing input part of the same earthing equipment. It is a top view which shows the capsule delivery apparatus of the same throwing-in part. It is front sectional drawing which shows the capsule inversion apparatus of the same shear discharge part. It is a top sectional view showing the 2nd stopper of the shear discharge part. It is a top sectional view showing the reversal drive device of the shear discharge part. BRIEF DESCRIPTION OF THE DRAWINGS It is a whole block diagram which shows Embodiment 2 of the pneumatic capsule type earthing equipment which concerns on this invention, (a) is a block diagram which shows a slip relay part from an excavation part, (b) is a block diagram which shows a slip discharge part. is there. It is front sectional drawing which shows the capsule inversion apparatus of the same air-feeding capsule type earthing equipment.

Explanation of symbols

C Capsule Cx Capsule O Vertical axis 1 Vertical excavator 2 Propulsion device 3 Cutter device 4 Earth removal device 4a Swivel bucket 4b Bucket conveyor 5 Air-feeding excavation facility 6 Slipping input portion 7 Input chute 7a Discharge portion 8 Sludge discharge portion DESCRIPTION OF SYMBOLS 11 Conveyance duct 11a Duct division body 12 Return duct 12a Duct division body 13 Pneumatic drive device 21 Capsule delivery device 22 Carry-in rocking arm 22b Recess 23 Carry-out rocking arm 23b Recess 24 Capsule receiving lifter 25 Slipper receiving lifter 26 Capsule delivery lifter 27 Duct extender 31 Capsule reversing device 32 Movable duct 34 Cart 35 First stopper 36 Second stopper 39 Reverse drive device 40 Ground side chute 50 Sliding relay part 51 Relay container 52 Carrying in / out duct 54 Carrying in / out part 61 Capsule reversing apparatus

Claims (3)

It is an air-feeding capsule type earthing facility that conveys the gap continuously discharged from the gap discharge conveyor of the shaft excavator to the ground by a capsule,
A slip-in portion having a throw-in chute that feeds a slip from the slip-out conveyor to the capsule, a transport duct and a return duct that are installed across the slip-in portion and the ground-side slip discharge portion, and transport the capsule by air, and the transport An air feed drive device for supplying and discharging capsule drive air to and from the duct and the return duct;
The slipping-in portion has a carry-in swing arm that transfers the empty capsule from the outlet of the return duct to the discharge portion of the input chute, and a carry-out swing arm that transfers the actual capsule from the discharge portion of the input chute to the outlet of the transport duct. Pneumatic capsule-type earthing equipment characterized by the provision of a capsule delivery device. It is an air-feeding capsule type earthing facility that conveys the gap continuously discharged from the gap discharge conveyor of the shaft excavator to the ground by a capsule,
A slip input unit having a input chute for supplying a shift from the slip discharge conveyor to the capsule, a relay container disposed in the middle part of the shaft, and installed between the shift input unit and the relay container to carry the capsule by air. A transfer duct, a return duct, a carry-in / out duct installed between the relay container and the ground-side gap discharge part, and air-carrying and transferring the gap of the relay container by a pumping capsule; and the transfer duct, the return duct, and the carry-in / out duct Each having a pneumatic driving device for supplying and discharging capsule driving air;
The slipping-in portion has a carry-in swing arm that transfers the empty capsule from the outlet of the return duct to the discharge portion of the input chute, and a carry-out swing arm that transfers the actual capsule from the discharge portion of the input chute to the outlet of the transport duct. Pneumatic capsule-type earthing equipment characterized by the provision of a capsule delivery device. The slip discharge conveyor is configured to swivel around the same vertical axis with the input chute, and the discharge portion of the input chute is disposed on the vertical axis,
An entrance of the transport duct and an exit of the return duct are arranged outside the swirl movement space of the slip discharge conveyor,
The air feeding device according to claim 1 or 2, wherein the carry-in rocking arm and the carry-out rocking arm are rotatable about a vertical axis so that the capsule holding portion at the free end crosses the swivel movement space of the slide discharge conveyor. Capsule type earthing equipment.

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