CN102493813B - Shield tunneling machine for underground pipeline - Google Patents
Shield tunneling machine for underground pipeline Download PDFInfo
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- CN102493813B CN102493813B CN2011103942311A CN201110394231A CN102493813B CN 102493813 B CN102493813 B CN 102493813B CN 2011103942311 A CN2011103942311 A CN 2011103942311A CN 201110394231 A CN201110394231 A CN 201110394231A CN 102493813 B CN102493813 B CN 102493813B
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Abstract
The invention discloses a shield tunneling machine for paving an underground pipeline. A round manhole pit is dug, and a hydraulic propulsion device is arranged into the manhole pit. The shield tunneling machine is placed on a hydraulic lifting platform to be descended to the lowest position. A hydraulic jack abuts against the tail portion of the shield tunneling machine. Hydraulic legs are adjusted to enable a cutter head of the shield tunneling machine to align at a drilling-digging position. Hydraulic positioning hands are inserted into the side wall of the manhole pit to position the hydraulic propulsion device. The hydraulic jack extends to push the shield tunneling machine to move forward. A motor decelerates through a gear box to drive the cutter head to rotate. A water pump pumps water from a water tank, and the water enters the shield tunneling machine to be sprayed onto the upper portion of the cutter head. A sludge pump pumps sludge mixed by a mixer onto an automobile through a sludge pipe. The hydraulic jack retracts after drilling and digging to a certain depth, a cement pipe is placed on the hydraulic lifting platform, and a cement pipe connecting plug is inserted into a socket at the tail portion of the shield tunneling machine. The hydraulic jack pushes the cement pipe and the shield tunneling machine to move, and the shield tunneling machine continues to drill and dig. Therefore, users can directly pave the underground cement pipe without excavating a groove.
Description
Technical field:
The present invention relates to a kind of shield tunneling machine for underground pipeline.
background technology:
At present, the laying of underground sewer is all first with the hook machine, to dig a deep trouth, after bottom land spreads a layer concrete, a joint joint pipe of cement is put down, and with cement, one joint joint pipe of cement is coupled together; Then pipe of cement is buried, then spread a layer concrete or ceramic tile in the above.Lay like this underground sewer and can cause traffic jam in busiest section, also can damage road surface.Application number CN201110030571.6 " self-traveling mini underground pipeline tunneling machine ", it can get into underground obliquely from ground, more horizontal ground auger digs out a hole in the ground that diameter is less, then pipe of cement is pushed to hole in the ground.Yet, in brill is burrowed and pipe of cement is pushed to the hole in the ground process, can cause the hole in the ground of digging to subside.Brill is burrowed and is laid pipe of cement and will complete in two steps, not only useless work but also when useless, and also construction cost is also high.
summary of the invention:
The present invention can overcome the defect of aforementioned " self-traveling mini underground pipeline tunneling machine ".
Shield tunneling machine for underground pipeline of the present invention is comprised of shield machine, water pump, water tank, hydraulic feed device and computerized control system.Wherein shield machine is comprised of cutterhead, shield, motor, gear-box, mixer and sludge pump.Motor is with movable knife disc to rotate after the gear reduction of gear-box.Water pump outside hole enters shield machine through water pipe and sprays to cutterhead top from water tank extracting water, cooling cutterhead and wash away the mud on cutterhead.Mixer by sludge agitation evenly, pulverize stone, the online bulk sandstone of blocked sewage dredge pump entrance are wiped off.Sludge pump is contained in the below of gear-box, and sludge pump is extracted into the sposh through stirring on hole outward transport mud automobile by sludge pipe.The front portion of the shield of shield machine aligns cutterhead, and rear portion also wraps in the inside to the blade of gear-box, mixer and sludge pump.Shield tunneling machine for underground pipeline is controlled by computerized control system.Shield tunneling machine for underground pipeline is equipped with means for correcting.There is wire rope in shield machine afterbody system.It is basic interface that the shield machine afterbody has with shield, and the inscribed on the interface of shield machine afterbody has four breach on foursquare four summits.The external diameter of pipe of cement is identical with the external diameter of shield machine, and there are four projections in the outside of pipe of cement front end connection-peg, and the interface of the connection-peg of pipe of cement front end and shield machine afterbody is suitable.There is the interface corresponding with pipe of cement front end connection-peg the rear end of pipe of cement, and it is also suitable with the connection-peg of second pipe of cement front end.Hydraulic feed device is comprised of arc gripper shoe, base plate, fuel tank, oil pump, hydraulic elevator platform, four hydraulic pressure location hands, four hydraulic pressure legs, four hydraulic jack and four hydraulic arms.The piston of hydraulic jack is the multilayer cast, equally with the hydraulic means of hydraulic elevator can stretch out a lot of joint piston tube.Article four, above the hydraulic pressure leg, base plate is housed, the middle position on base plate is equipped with hydraulic elevator platform, and oil pump and fuel tank dress also are contained on base plate.The arc gripper shoe is perpendicular to base plate, and the middle inside of arc gripper shoe is fixed on the edge of base plate.Two hydraulic pressure location hands respectively are housed on two sides of arc gripper shoe.Hydraulic elevator platform drops to when minimum, the shield machine afterbody align arc gripper shoe top and on the arc gripper shoe projection rounded.The bottom of four hydraulic jack is the foursquare summit of the projection inscribed hinge on the arc gripper shoe with shield machine respectively.Article four, the square vertices hinge of the square of the aforementioned projection inscribed on the bottom of hydraulic arm and arc gripper shoe after amplifying, the top of each hydraulic arm separately with the lower wall hinge of corresponding hydraulic jack; Hydraulic arm when elongation hydraulic jack is inwardly rotated, and the top of four hydraulic jack is withstood on four breach of interface of shield machine afterbody or pipe of cement afterbody.The oil pipe of each hydraulic pressure leg is all received on an interface of leg 3-position 4-way solenoid operated directional valve separately, one of fuel tank is in charge of and receives separately on leg 3-position 4-way solenoid operated directional valve and another interface each self-hydraulic leg oil pipe homonymy, receives being in charge of of the oil inlet pipe of oil pump and flowline on two interfaces of the opposite side of leg 3-position 4-way solenoid operated directional valve separately.The oil pipe of each hydraulic pressure location hand is all received on an interface of location hand 3-position 4-way solenoid operated directional valve separately, be in charge of for one of fuel tank and receive locating on another interface of hand oil pipe homonymy, on two interfaces being in charge of the opposite side of receiving each self-align hand 3-position 4-way solenoid operated directional valve of the oil inlet pipe of oil pump and flowline with each self-hydraulic of each self-align hand 3-position 4-way solenoid operated directional valve.The oil pipe of each hydraulic arm is all received on an interface of arm 3-position 4-way solenoid operated directional valve separately, one of fuel tank is in charge of and receives on arm 3-position 4-way solenoid operated directional valve separately and another interface hydraulic arm oil pipe homonymy separately, receives being in charge of of the oil inlet pipe of oil pump and flowline on two interfaces of the opposite side of arm 3-position 4-way solenoid operated directional valve separately.The oil pipe of each hydraulic jack is on an interface receiving jack 3-position 4-way solenoid operated directional valve separately after electric control valve separately, one of fuel tank is in charge of on that receive jack 3-position 4-way solenoid operated directional valve separately and another interface through the oil pipe homonymy of electric control valve separately hydraulic jack separately, and the advancing to have of oil pump receives on two interfaces of the opposite side of jack 3-position 4-way solenoid operated directional valve separately being in charge of of pipe and flowline.The oil pipe of hydraulic elevator platform is received on an interface of elevating stage 3-position 4-way solenoid operated directional valve, one of fuel tank is in charge of and receives on elevating stage 3-position 4-way another interface with oil pipe homonymy hydraulic elevator platform solenoid operated directional valve, on two interfaces being in charge of the opposite side of receiving elevating stage 3-position 4-way solenoid operated directional valve of the oil inlet pipe of oil pump and flowline.On the oil pipe of all hydraulic device of hydraulic feed device, oil pressure sensor all is housed.The laser lamp of means for correcting is contained in the center of the afterbody of shield machine, irradiates backward, and the laser pickoff of means for correcting is contained on the foursquare center that the bottom hinge point of arc gripper shoe and four hydraulic jack surrounds.
Adopt the present invention of this structure, use the front place of building Sha Jing at needs to bore and dig the husky well of drum-shaped with the vertical drill digging machine downwards, then a circular cement board of paving at the bottom of husky well.Hydraulic feed device is put into to husky well, the direction that allows the arc gripper shoe excavate facing to needs.Give the energising of hydraulic pressure propulsion plant, start oil pump.Computerized control system makes hydraulic elevator platform be raised to husky well mouth by controlling elevating stage 3-position 4-way solenoid operated directional valve, and computerized control system shrinks hydraulic arm, makes hydraulic jack outwards to rotate by control arm 3-position 4-way solenoid operated directional valve.Shield machine is placed on to hydraulic elevator platform, and then computerized control system drops to extreme lower position by controlling elevating stage 3-position 4-way solenoid operated directional valve by hydraulic elevator platform.Computerized control system makes the hydraulic arm elongation by control arm 3-position 4-way solenoid operated directional valve, and when hydraulic jack is inwardly rotated, the top of hydraulic jack is pressed on the breach of shield machine afterbody interface.Computerized control system is adjusted the height of shield machine by controlling leg 3-position 4-way solenoid operated directional valve, make the cutterhead of shield machine aim at the position of preparing excavation.Computerized control system is located the outer four-way electromagnetic reversing valve of hand three by control and is made the hand elongation of hydraulic pressure location, inserts in husky well sidewall, and hydraulic feed device is fixed in husky well.To the shield machine energising, the laser lamp Emission Lasers, adjust laser pickoff, makes Ear Mucosa Treated by He Ne Laser Irradiation to the laser pickoff center.Computerized control system makes the hydraulic jack elongation by controlling jack 3-position 4-way solenoid operated directional valve, promotes shield machine and moves forward.Computerized control system starts the motor of shield machine, and motor is with movable knife disc to rotate, bore and dig sandy soil after the gear reduction of gear-box.Computerized control system starts water pump, and water pump draws water from water tank, then by water pipe, water is delivered in shield machine and is sprayed to cutterhead top, and cooling cutterhead, wash away the silt that enters cutterhead.Computerized control system starts mixer and sludge pump, and the water entered under the stirring of mixer in shield machine mixes into sposh equably with silt; Sludge pump can be in sposh inspiration sludge pump, on the automobile of the fortune mud outside then by sludge pipe, mud being extracted into.Meanwhile the blade of mixer can, scraping off by the bulk sandstone of sludge pump Inlet filter mesh, avoid these bulk sandstone to stop that sposh enters sludge pump.When the cutterhead brill of shield machine digs sandstone earth, the laser pickoff of means for correcting receives laser lamp and irradiates the laser beam of coming, and the laser signal that computerized control system receives according to laser pickoff judges that shield machine bores the direction of digging whether deviation is arranged; Then computerized control system is adjusted the thrust of hydraulic jack by the electric control valve of adjusting hydraulic jack, thereby adjust shield machine, bores the direction of digging.The piston one of hydraulic jack extends successively, promotes shield machine and bores and dig forward.After shield machine is drilled into certain depth, shield machine and leaves hydraulic elevator platform fully, computerized control system can, by controlling jack 3-position 4-way solenoid operated directional valve, be contracted to the shortest by hydraulic jack; Then computerized control system shortens hydraulic arm by control arm 3-position 4-way solenoid operated directional valve, thereby makes the outside turn-off of hydraulic jack.The electricity of turning off shield machine, computerized control system, by controlling elevating stage 3-position 4-way solenoid operated directional valve, makes hydraulic elevator platform rise to husky well mouth.Pull down water pipe from the delivery port of water pump, from wire socket, extract wire and plug.Pipe of cement headfirst is placed on hydraulic elevator platform, and then from the shield machine afterbody, sludge pipe, water pipe and electric wire out passes from pipe of cement; Water pipe is received pump outlet again, and sludge pipe is reentered in the automobile bucket of fortune mud, and wire and plug turns back in wire socket again.Computerized control system, by controlling elevating stage 3-position 4-way solenoid operated directional valve, is down to hydraulic elevator platform minimum.Computerized control system makes the hydraulic arm elongation by control arm 3-position 4-way solenoid operated directional valve, thereby the top of hydraulic jack is pressed on the breach of pipe of cement afterbody interface.Computerized control system makes the hydraulic jack elongation by controlling jack 3-position 4-way solenoid operated directional valve, and the pipe of cement that promotes to be placed on hydraulic elevator platform moves forward, and the front end connection-peg of pipe of cement inserts in the interface of shield machine afterbody exactly.Computerized control system restarts motor, mixer and the sludge pump of shield machine, and hydraulic jack promotes pipe of cement and shield machine moves forward, and makes shield machine start again to bore and digs.The continuous ground auger of shield machine digs like this, and the pipe of cement that a joint connects a joint is pushed into shield machine and bores in the hole of digging; Last shield machine from the sidewall that bored second the husky well dug out by the vertical drill digging machine out, hung out husky well.Take out hydraulic feed device from first husky well, the automobile of water pump, water tank and fortune mud is moved on to by second husky well.The husky well of brick one-tenth for first husky well, then load onto the cast iron manhole cover.Second cement board put into to second husky well, then hydraulic feed device is put into to second husky well, again shield machine is placed on the hydraulic elevator platform of hydraulic feed device after adjusting; As digging at first husky well brill, after ready work, shield machine starts again to bore and dig in second husky well, lays pipe of cement.When computerized control system makes above-mentioned hydraulic component elongation by controlling the 3-position 4-way solenoid operated directional valve, oil pump extracts in the cylinder that hydraulic oil is pressed into hydraulic component from fuel tank; When computerized control system shortens above-mentioned hydraulic component by controlling the 3-position 4-way solenoid operated directional valve, oil pump extracts hydraulic oil and sends back to fuel tank in the hydraulic component cylinder.On the oil pipe of all hydraulic device of hydraulic feed device, oil pressure sensor all is housed, when hydraulic component occurs that leakage of oil, stuck or shield machine run into hard stone, iron pipe, will passes to computerized control system to corresponding signal.When shield machine breaks down, we can pull back shield machine by the wire rope that ties up to the shield machine afterbody with automobile or hoist engine, shield machine saves land pipe of cement one joint one in the hole of digging from brill and shifts onto in husky well like this, and then a joint one saves land pipe of cement is hung to ground; Finally shield machine is also hung to ground, repair shield machine.While having had equipment of the present invention to lay underground pipe of cement in busiest section, just do not need to excavate again groove; As long as bore and to have dug husky well with the vertical drill digging machine, then hydraulic feed device is packed in husky well, just can use the underground pipe of cement of the direct laying of shield machine.And can, with husky well on sheet-steel cover, allow wheel press from steel plate during daytime heavy traffic; Remove the steel plate on husky well evening, with shield tunneling machine for underground pipeline of the present invention, continue to lay underground pipe of cement.
The accompanying drawing explanation:
Below in conjunction with the drawings and specific embodiments, the present invention is done further and specifically explains.
Fig. 1 is structure principle chart of the present invention.
Fig. 2 is the schematic appearance of shield machine of the present invention.
Fig. 3 is the schematic appearance of pipe of cement of the present invention.
Fig. 4 is the schematic appearance of hydraulic feed device of the present invention.
Fig. 5 is the schematic diagram of hydraulic component control system of the present invention.
The specific embodiment:
Shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, shield tunneling machine for underground pipeline of the present invention is comprised of shield machine 1, water pump 3, water tank 5, hydraulic feed device 2 and computerized control system.Wherein shield machine 1 is comprised of cutterhead 11, shield 12, motor 14, gear-box 13, mixer 15 and sludge pump 16.Motor 14 is with movable knife disc 11 to rotate after the gear reduction of gear-box 13.Water pump 4 outside hole enters shield machine 1 through water pipe 6 and sprays to cutterhead 11 tops from water tank 5 extracts water, cooling cutterhead 11 and wash away the mud on cutterhead 11.Mixer 15 by sludge agitation evenly, stone pulverize, the bulk sandstone online blocked sewage dredge pump 16 ingress filterings wipe off.Sludge pump 16 is contained in the below of gear-box 13, and sludge pump 16 is extracted into the sposh through stirring on hole outward transport mud automobile by sludge pipe 7.The front portion of the shield 12 of shield machine 1 aligns cutterhead 11, and rear portion also wraps in the inside to the blade of gear-box 13, mixer 15 and sludge pump 16.Shield tunneling machine for underground pipeline is controlled by computerized control system.Shield tunneling machine for underground pipeline is equipped with means for correcting 3.There is wire rope in shield machine 1 afterbody system.It is basic interface that the afterbody of shield machine 1 has with shield 12, and the inscribed on the interface of shield machine 1 afterbody has four breach on foursquare four summits.The external diameter of pipe of cement 8 is identical with the external diameter of shield machine 1, and there are four projections in the outside of pipe of cement 8 front end connection-pegs, and the interface of the connection-peg of pipe of cement 8 front ends and shield machine 1 afterbody is suitable.There is the interface corresponding with pipe of cement 8 front end connection-pegs the rear end of pipe of cement 8, and it is also suitable with the connection-peg of second pipe of cement 8 front end.Hydraulic feed device 2 is comprised of arc gripper shoe 20, base plate 21, fuel tank 29, oil pump 28, hydraulic elevator platform 27, four hydraulic pressure location hands 22, four hydraulic pressure legs 23, four hydraulic jack 25 and four hydraulic arms 24.The piston of hydraulic jack 25 is multilayer casts, equally with the hydraulic means of hydraulic elevator can stretch out a lot of joint piston tube.Article four, base plate 21 is housed above hydraulic pressure leg 23, and the middle position on base plate 21 is equipped with hydraulic elevator platform 27, and oil pump 28 and fuel tank 29 dresses also are contained on base plate 21.Arc gripper shoe 20 is perpendicular to base plate 21, and the middle inside of arc gripper shoe 20 is fixed on the edge of base plate 21.Two hydraulic pressure location hands 22 respectively are housed on two sides of arc gripper shoe 20.Hydraulic elevator platform falls 27 when minimum, shield machine 1 afterbody align arc gripper shoe 20 tops and on arc gripper shoe 20 projection rounded.The bottom of four hydraulic jack 25 is the foursquare summit of the projection inscribed hinge on arc gripper shoe 20 with shield machine 1 respectively.Article four, the square vertices hinge of the square of the aforementioned projection inscribed on the bottom of hydraulic arm 24 and arc gripper shoe 20 after amplifying, the top of each hydraulic arm 24 separately with the lower wall hinge of corresponding hydraulic jack 25; During hydraulic arm 24 elongation, hydraulic jack 25 is inwardly rotated, and the top of four hydraulic jack 25 is pressed on four breach of interface of shield machine 1 afterbody or pipe of cement 8 afterbodys.The oil pipe of each hydraulic pressure leg 23 is all received on an interface of leg 3-position 4-way solenoid operated directional valve separately, one of fuel tank 29 is in charge of and receives separately on leg 3-position 4-way solenoid operated directional valve and another interfaces each self-hydraulic leg 23 oil pipe homonymies, receives being in charge of of the oil inlet pipe of oil pump 28 and flowline on two interfaces of the opposite side of leg 3-position 4-way solenoid operated directional valve separately.The oil pipe of each hydraulic pressure location hand 22 is all received on an interface of location hand 3-position 4-way solenoid operated directional valve separately, be in charge of for one of fuel tank 29 and receive locating on another interfaces of hand 22 oil pipe homonymies, on two interfaces being in charge of the opposite side of receiving each self-align hand 3-position 4-way solenoid operated directional valve of the oil inlet pipe of oil pump 28 and flowline with each self-hydraulic of each self-align hand 3-position 4-way solenoid operated directional valve.The oil pipe of each hydraulic arm 24 is all received on an interface of arm 3-position 4-way solenoid operated directional valve separately, one of fuel tank 29 is in charge of and receives on arm 3-position 4-way solenoid operated directional valve separately and another interfaces hydraulic arm 24 oil pipe homonymies separately, receives being in charge of of the oil inlet pipe of oil pump 28 and flowline on two interfaces of the opposite side of arm 3-position 4-way solenoid operated directional valve separately.The oil pipe of each hydraulic jack 25 is on an interface receiving jack 3-position 4-way solenoid operated directional valve separately after electric control valve 26 separately, one of fuel tank 29 is in charge of on that receive jack 3-position 4-way solenoid operated directional valve separately and another interface through the oil pipe homonymy of electric control valve 26 separately hydraulic jack 25 separately, and the advancing to have of oil pump 28 receives on two interfaces of the opposite side of jack 3-position 4-way solenoid operated directional valve separately being in charge of of pipe and flowline.The oil pipe of hydraulic elevator platform 27 is received on an interface of elevating stage 3-position 4-way solenoid operated directional valve, one of fuel tank 29 is in charge of on another interface of receiving elevating stage 3-position 4-way solenoid operated directional valve and oil pipe homonymy hydraulic elevator platform 27, on two interfaces being in charge of the opposite side of receiving elevating stage 3-position 4-way solenoid operated directional valve of the oil inlet pipe of oil pump 28 and flowline.On the oil pipe of all hydraulic device of hydraulic feed device 2, oil pressure sensor all is housed.The laser lamp 31 of means for correcting 3 is contained in the center of the afterbody of shield machine 1, irradiates backward, and the laser pickoff 32 of means for correcting 3 is contained on the foursquare center that the bottom hinge point of arc gripper shoe 20 and four hydraulic jack 25 surrounds.
When we will lay the pipe of cement 8 of 60 centimetres of external diameters, build the place of Sha Jing at needs and bore the husky well of the drum-shaped that digs 1 meter of a diameter downwards with the vertical drill digging machine, then a circular cement board 9 of paving at the bottom of husky well.Hydraulic feed device 2 is put into to husky well, the direction that allows arc gripper shoe 20 excavate facing to needs.Give the hydraulic pressure propulsion plant 2 energisings, start oil pump 28.Computerized control system, by controlling elevating stage 3-position 4-way solenoid operated directional valve, makes hydraulic elevator platform 27 be raised to husky well head.Computerized control system shrinks hydraulic arm 24 by control arm 3-position 4-way solenoid operated directional valve, and hydraulic jack 25 is outwards rotated.Shield machine 1 is placed on to hydraulic elevator platform 27, and then computerized control system drops to extreme lower position by controlling elevating stage 3-position 4-way solenoid operated directional valve by hydraulic elevator platform 27.Computerized control system makes hydraulic arm 24 elongations by control arm 3-position 4-way solenoid operated directional valve, and the top that hydraulic jack 25 is inwardly rotated rear jack top 25 is pressed on the breach of shield machine 1 afterbody interface.Computerized control system is adjusted the height of shield machine 1 by controlling leg 3-position 4-way solenoid operated directional valve, make the cutterhead 11 of shield machine 1 aim at the position of preparing excavation.Computerized control system is located the outer four-way electromagnetic reversing valve of hand three by control and is made hand 22 elongations of hydraulic pressure location, inserts in husky well sidewall, and hydraulic feed device 2 is fixed in husky well.Give shield machine 1 energising, laser lamp 31 Emission Lasers, adjust laser pickoff 32, makes Ear Mucosa Treated by He Ne Laser Irradiation to laser pickoff 32 centers.Computerized control system makes hydraulic jack 25 elongations by controlling jack 3-position 4-way solenoid operated directional valve, promotes shield machine 1 and moves forward.Computerized control system starts the motor 14 of shield machine 1, and motor 14 is with movable knife disc 11 to rotate, bore and dig sandy soil after the gear reduction of gear-box 13.Computerized control system starts water pump 4, and water pump 4 draws water from water tank 5, then by water pipe 6, water is delivered in shield machine 1 and is sprayed to cutterhead 11 tops, and cooling cutterhead 11, wash away the silt that enters cutterhead 11.Computerized control system starts mixer 15 and sludge pump 16, and the water entered under the stirring of mixer 15 in shield machine 1 mixes into sposh equably with silt; Sludge pump 16 can be in sposh inspiration sludge pump 16, on the automobile of the fortune mud outside then by sludge pipe 7, mud being extracted into.Meanwhile mixer 15 can, scraping off by the bulk sandstone of sludge pump 16 Inlet filter meshs, avoid these bulk sandstone to stop that sposh enters sludge pump 16.When cutterhead 11 brills of shield machine 1 dig sandstone earth, the laser pickoff 32 of means for correcting 3 receives laser lamp 31 and irradiates the laser beam of coming, and the laser signal that computerized control system receives according to laser pickoff 32 judges that shield machine 1 bores the direction of digging whether deviation is arranged; Then computerized control system is adjusted the thrust of hydraulic jack 25 by the electric control valve 26 of adjusting jack 25, thereby adjust shield machine 1, bores the direction of digging.The piston tube one of hydraulic jack 25 is extended successively, promotes shield machine 1 and bores and dig forward.After shield machine 1 is drilled into certain depth, shield machine 1 and leaves hydraulic elevator platform 27 fully; Computerized control system can, by controlling jack 3-position 4-way solenoid operated directional valve, be contracted to the shortest by hydraulic jack 25; Then computerized control system shortens hydraulic arm 24 by control arm 3-position 4-way solenoid operated directional valve, thereby makes the outside turn-off of hydraulic jack 25.The electricity of turning off shield machine 1, computerized control system, by controlling elevating stage 3-position 4-way solenoid operated directional valve, makes hydraulic elevator platform 27 rise to husky well mouth.Pull down water pipe 6 from the delivery port of water pump 4, from wire socket, extract wire and plug.Pipe of cement 8 headfirst is placed on hydraulic elevator platform 27, and then from shield machine 1 afterbody, sludge pipe 7, water pipe 6 and electric wire out passes from pipe of cement 8; Water pipe 6 is received water pump 4 delivery ports again, and sludge pipe 7 is reentered in the automobile bucket of fortune mud, and wire and plug turns back in wire socket again.Computerized control system, by controlling elevating stage 3-position 4-way solenoid operated directional valve, is down to hydraulic elevator platform 27 minimum.Computerized control system makes hydraulic arm 24 elongations by control arm 3-position 4-way solenoid operated directional valve, thereby the top of hydraulic jack 25 is pressed on the breach of pipe of cement 8 afterbody interfaces.Computerized control system makes hydraulic jack 25 elongations by controlling jack 3-position 4-way solenoid operated directional valve, and the pipe of cement 27 that promotes to be placed on hydraulic elevator platform 27 moves forward, and the front end connection-peg of pipe of cement 8 inserts in the interface of shield machine 1 afterbody exactly.Computerized control system starts motor 14, mixer 15 and the sludge pump 16 of shield machine 1, and hydraulic jack 25 promotes pipe of cement 8 and shield machine 1 moves forward, and makes shield machine 1 start again to bore and digs.The continuous ground auger of shield machine 1 digs like this, and the pipe of cement 8 that a joint connects a joint is pushed into shield machine 1 and bores in the hole of digging; Last shield machine 1, from the sidewall that is bored second the husky well dug out by the vertical drill digging machine gets out, is hung out husky well.Between pipe of cement 8, to seal with adhesive.Take out hydraulic feed device 2 from first husky well, the automobile of water pump 4, water tank 5 and fortune mud is moved on to by second husky well.The husky well of brick one-tenth for first husky well, then load onto the cast iron manhole cover.Second cement board 9 put into to second husky well, then hydraulic feed device 2 is put into to second husky well, again shield machine 1 is placed on the hydraulic elevator platform 27 of hydraulic feed device 2 after adjusting; As digging at first husky well brill, preparation is carried out, shield machine 1 starts again to bore and dig in second husky well.When computerized control system makes above-mentioned hydraulic component elongation by controlling the 3-position 4-way solenoid operated directional valve, oil pump 28 extracts hydraulic oil and is pressed in the cylinder of hydraulic component from fuel tank 29; When computerized control system will shorten above-mentioned hydraulic press by controlling the 3-position 4-way solenoid operated directional valve, oil pump 28 extracts hydraulic oil and sends back to fuel tank 29 in the hydraulic component cylinder.On the oil pipe of all hydraulic device of hydraulic feed device 2, oil pressure sensor all is housed, when hydraulic component occurs that leakage of oil, stuck or shield machine run into hard stone, iron pipe, oil pressure sensor will pass to computerized control system to corresponding signal.When shield machine 1 breaks down, we can pull back shield machine 1 by the wire rope that ties up to shield machine 1 afterbody with automobile or hoist engine, shield machine 1 saves land pipe of cement one joint one in the hole of digging from brill and shifts onto in husky well like this, and then a joint one saves land pipe of cement 8 is hung to ground; Finally shield machine 1 is also hung to ground, repair shield machine 1.While having had equipment of the present invention to lay underground pipe of cement 8 in busiest section, just do not need to excavate again groove; As long as bore and to have dug husky well with the vertical drill digging machine, then hydraulic feed device 2 is packed in husky well, just can use the underground pipe of cement 8 of shield machine 1 direct laying.And can, with husky well on sheet-steel cover, allow wheel press from steel plate during daytime heavy traffic; Remove the steel plate on husky well evening, with shield tunneling machine for underground pipeline of the present invention, continue to lay underground pipe of cement 8.
Claims (1)
1. a shield tunneling machine for underground pipeline, it is by shield machine, water pump, water tank, hydraulic feed device and computerized control system form, wherein shield machine is by cutterhead, shield, motor, gear-box, mixer and sludge pump form, motor is with movable knife disc to rotate after the gear reduction of gear-box, water pump outside hole enters shield machine through water pipe and sprays to cutterhead from top in cutterhead from water tank extracting water, cooling cutterhead and wash away the mud on cutterhead, mixer is even by sludge agitation, stone is pulverized, the online bulk sandstone of blocked sewage dredge pump entrance are wiped off, sludge pump is contained in the below of gear-box, sludge pump is extracted into the sposh through stirring outside hole by pipe, the bung of the drum-shaped shield of shield machine aligns the cutterhead rear portion also gear-box, the blade of mixer and sludge pump wrap in the inside, shield tunneling machine for underground pipeline is controlled by computerized control system, it is characterized in that: described shield tunneling machine for underground pipeline also is equipped with means for correcting (3), there is wire rope in described shield machine (1) afterbody system, it is basic interface that the afterbody of described shield machine (1) has with described shield (12), inscribed on the interface of described shield machine (1) afterbody has four breach on foursquare four summits, the external diameter of pipe of cement (8) is identical with the external diameter of described shield machine (1), there are four projections in the outside of pipe of cement (8) front end connection-peg, the interface of the connection-peg of pipe of cement (8) front end and described shield machine (1) afterbody is suitable, there is the interface corresponding with pipe of cement (8) front end connection-peg the rear end of pipe of cement (8), the connection-peg of it and another pipe of cement (8) front end is suitable, described hydraulic feed device (2) is by arc gripper shoe (20), base plate (21), fuel tank (28), oil pump (29), hydraulic elevator platform (27), four hydraulic pressure location hands (22), article four, hydraulic pressure leg (23), article four, hydraulic arm (24) and four hydraulic jack (25) form, article four, described base plate (21) is housed above described hydraulic pressure leg (23), middle position on described base plate (21) is equipped with described hydraulic elevator platform (27), described oil pump (28) and fuel tank (29) also are contained on described base plate (21), described arc gripper shoe (20) is perpendicular to described base plate (21), the middle inside of described arc gripper shoe (20) is fixed on the edge of described base plate (21), two hydraulic pressure location hands (22) respectively are housed on two sides of described arc gripper shoe (20), described hydraulic elevator platform (27) drops to when minimum, the described shield machine afterbody be placed on described hydraulic elevator platform (27) aligns described arc gripper shoe (20) top, rounded in the upper projection of described arc gripper shoe (20), the bottom of four described hydraulic jack (25) is the foursquare summit of the projection inscribed hinge on described arc gripper shoe (20) with described shield machine (1) respectively, article four, the square vertices hinge of the square of the aforementioned projection inscribed on the bottom of described hydraulic arm (24) and described arc gripper shoe (20) after amplifying, the top of each described hydraulic arm (24) separately with the lower wall hinge of corresponding described hydraulic jack (25), described hydraulic arm (24) elongation makes described hydraulic jack (25) inwardly rotate, make the top of four described hydraulic jack (25) to withstand on four breach of interface of described shield machine (1) afterbody or described pipe of cement (8) afterbody, the oil pipe of each described hydraulic pressure leg (23) is all received on an interface of leg 3-position 4-way solenoid operated directional valve separately, one of described fuel tank (29) is in charge of and receives on leg 3-position 4-way reversing solenoid valve separately and another interface described hydraulic pressure leg (23) oil pipe homonymy separately, and the oil inlet pipe of described oil pump (28) and fuel-displaced being in charge of are received on two interfaces of the opposite side of leg 3-position 4-way solenoid operated directional valve separately, the oil pipe of each described hydraulic pressure location hand (22) is all received on an interface of hand 3-position 4-way solenoid operated directional valve separately, one of described fuel tank (29) is in charge of and receives on each self-align hand 3-position 4-way solenoid operated directional valve and another interface described hydraulic pressure location hand (22) oil pipe homonymy separately, on two interfaces being in charge of the opposite side of receiving each self-align hand 3-position 4-way solenoid operated directional valve of the oil inlet pipe of described oil pump (28) and flowline, the oil pipe of each described hydraulic arm (24) is all received on an interface of arm 3-position 4-way solenoid operated directional valve separately, one of described fuel tank (29) is in charge of and receives on arm 3-position 4-way solenoid operated directional valve separately and another interface described hydraulic arm (24) oil pipe homonymy separately, receives being in charge of of the oil inlet pipe of described oil pump (28) and flowline on two interfaces of the opposite side of arm 3-position 4-way solenoid operated directional valve separately, the oil pipe of each described hydraulic jack (25) is on an interface receiving top 3-position 4-way solenoid operated directional valve separately after electric control valve (26) separately, one of described fuel tank (29) is in charge of on that receive jack 3-position 4-way solenoid operated directional valve separately and another interface through the oil pipe homonymy of electric control valve (26) separately described hydraulic jack separately, receives being in charge of of the oil inlet pipe of described oil pump (28) and flowline on two interfaces of the opposite side of jack 3-position 4-way solenoid operated directional valve separately, the oil pipe of described hydraulic elevator platform (27) is received on an interface of elevating stage 3-position 4-way solenoid operated directional valve, one of described fuel tank (29) is in charge of on another interface of receiving elevating stage 3-position 4-way solenoid operated directional valve and oil pipe homonymy described hydraulic elevator platform (27), on two interfaces being in charge of the opposite side of receiving elevating stage 3-position 4-way solenoid operated directional valve of the oil inlet pipe of described oil pump (28) and flowline, on the oil pipe of the hydraulic component of described hydraulic feed device (2), oil pressure sensor all is housed, the laser lamp (31) of described means for correcting (3) is contained in the center of the afterbody of described shield machine (1), irradiates backward, and the laser pickoff (32) of described means for correcting (3) is contained on the center of the bottom hinge point of described arc gripper shoe (20) and four described hydraulic jack (25).
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103942311A CN102493813B (en) | 2011-11-22 | 2011-11-22 | Shield tunneling machine for underground pipeline |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103942311A CN102493813B (en) | 2011-11-22 | 2011-11-22 | Shield tunneling machine for underground pipeline |
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| CN102493813B true CN102493813B (en) | 2013-12-11 |
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| US11846151B2 (en) | 2021-03-09 | 2023-12-19 | Saudi Arabian Oil Company | Repairing a cased wellbore |
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| CN102870543B (en) * | 2012-10-15 | 2016-01-20 | 江苏省丰垒果蔬特种机械研制有限公司 | compass laser positioning multifunctional Chinese yam harvester |
| CN105673029B (en) * | 2016-03-30 | 2019-08-09 | 杨溢 | Water knife tunnels formula shield machine |
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| US11739616B1 (en) | 2022-06-02 | 2023-08-29 | Saudi Arabian Oil Company | Forming perforation tunnels in a subterranean formation |
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| GB2091316B (en) * | 1981-01-21 | 1984-11-28 | Iseki Kaihatsu Koki | Tunnelling |
| CN1063826C (en) * | 1994-03-07 | 2001-03-28 | 藤田株式会社 | Suporting structure |
| CN1257342C (en) * | 2003-03-19 | 2006-05-24 | 钱奂云 | Tunnellers and constructing method thereof |
| CN101864965B (en) * | 2010-05-17 | 2012-08-08 | 浙江大学 | Pressure flow rate composite synchronization control energy-saving type shield propelling system |
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