CN108119158A - It is a kind of to extend device for pumping out the telescopic pipeline of soil series system - Google Patents
It is a kind of to extend device for pumping out the telescopic pipeline of soil series system Download PDFInfo
- Publication number
- CN108119158A CN108119158A CN201810071688.0A CN201810071688A CN108119158A CN 108119158 A CN108119158 A CN 108119158A CN 201810071688 A CN201810071688 A CN 201810071688A CN 108119158 A CN108119158 A CN 108119158A
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- China
- Prior art keywords
- pipeline
- soil
- dregs
- inner sleeve
- buffering
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 239000002689 soil Substances 0.000 title claims abstract description 83
- 238000005086 pumping Methods 0.000 title claims abstract description 73
- 238000009434 installation Methods 0.000 claims abstract description 29
- 239000004927 clay Substances 0.000 claims abstract description 27
- 230000003139 buffering effect Effects 0.000 claims description 41
- 238000007789 sealing Methods 0.000 claims description 29
- 230000009471 action Effects 0.000 claims description 18
- 230000030279 gene silencing Effects 0.000 claims description 16
- 239000010720 hydraulic oil Substances 0.000 claims description 14
- 230000033001 locomotion Effects 0.000 claims description 11
- 239000000284 extract Substances 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 3
- 238000001727 in vivo Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 description 7
- 238000010168 coupling process Methods 0.000 description 7
- 238000005859 coupling reaction Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 239000003921 oil Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
- E21D9/13—Devices for removing or hauling away excavated material or spoil; Working or loading platforms using hydraulic or pneumatic conveying means
Abstract
Extend device the invention discloses a kind of for pumping out the telescopic pipeline of soil series system, the soil series system that pumps out includes at least one pumping out clay model group；The clay model group that pumps out includes main pumping installations, servo-actuated pipeline and fixed pipeline；The telescopic pipeline extends device and is connected between the servo-actuated pipeline and the fixed pipeline；The telescopic pipeline, which extends device, includes inner sleeve and outer tube；The first end of the inner sleeve is plugged in the inside of the outer tube by the first end of the outer tube；Position limiting structure is provided between the outer tube and the inner sleeve.It is an advantage of the invention that：By the way that telescopic pipeline is set to extend device, dregs pump tubing length can be separated into servo-actuated pipeline and fixed pipeline, fixed pipeline is fixedly mounted on tunnel internal so that dregs pump tubing length becomes semi-fixed structure, avoids the problem of dregs pump tubing length is difficult to move integrally.
Description
Technical field
The present invention relates to pipelines to extend device, and in particular to a kind of to extend dress for pumping out the telescopic pipeline of soil series system
It puts.
Background technology
A large amount of dregs can be generated during shield machine tunnels；For the ease of conveying dregs, part shield-tunneling construction project
In can dregs be pumped to by ground using pipeline；The mode of pumping transport has higher transfer efficiency, can save in tunnel
The construction space in portion.Pumping transportation system of the prior art is commonly used in small-diameter shield machine, and pumping installations is mostly using small
The rubber tube of diameter flexible, flexible rubber pipe can be synchronized with the movement with shield machine；However large-diameter shield machine usually have compared with
Big unearthed amount, therefore the pumping installations of the shield machine of major diameter is it is usually necessary to use the rigid conduit of major diameter, and major diameter
Rigid conduit be difficult with shield machine and be synchronized with the movement.
The content of the invention
According to the deficiencies of the prior art described above, It is an object of the present invention to provide a kind of for pumping out stretching for soil series system
Contracting formula pipeline extends device, pumps out soil series system and extends device, it can be achieved that pipeline is with shield machine by using the telescopic pipeline
Driving and extend accordingly.
It is a kind of for pump out the soil series system telescopic pipeline extend device, it is described pump out the soil series system include it is at least one
Pump out clay model group；The clay model group that pumps out includes sequentially connected main pumping installations, servo-actuated pipeline and fixed pipeline；Institute
Telescopic pipeline extension device is stated to be connected between the servo-actuated pipeline and the fixed pipeline；The telescopic pipeline extends
Device includes inner sleeve and outer tube；The first end of the inner sleeve is plugged in described outer by the first end of the outer tube
The inside of casing；Position limiting structure is provided between the outer tube and the inner sleeve；The second end of the inner sleeve passes through method
It is blue to be connected with the servo-actuated pipeline；The second end of the outer tube is connected by flange with the fixed pipeline.
The position limiting structure includes limited block and the limiting plate of annular；The limited block is arranged on the of the inner sleeve
The outside of one end；The limiting plate is mounted on the first end of the outer tube；The first end of the outer tube is also equipped with several
A directive wheel, the directive wheel are close to the outer surface of the inner sleeve.
Be provided with sealing device on the outside of the first end of the inner sleeve, the sealing device include sealing ring fixinig plate with
And several sealing rings；The sealing ring fixinig plate is circumferentially positioned at the outer surface of the inner sleeve, and consolidates with the inner sleeve
Fixed connection；Each sealing ring is distributed along the axial direction of the inner sleeve, and is passed through fixed link and be fixed on the sealing ring fixinig plate
On；The inner surface of the sealing ring and the outer tube fits closely.
Steering bracket is both provided with below the inner sleeve and the outer tube, the bottom of the steering bracket is all provided with
Mobile stent is equipped with, the steering bracket is connected by a vertical shaft with the mobile stent；The bottom of the mobile stent
Portion is provided with universal wheel.
The main pumping installations is connected between the servo-actuated pipeline and the screw conveyor of shield machine, and the main pump send dress
It puts and is pumped to for the dregs for exporting the screw conveyor in the servo-actuated pipeline；The fixing pipe road is in series with noise reduction
Device and at least one set of relay pumping device.
The main pumping installations and the relay pumping device include the native case of buffering and delivery pump；The buffering soil
Dregs entrance is provided at the top of case, the bottom of the native case of buffering is connected with the delivery pump；It is set on the native case of buffering
There is soil pressure meter, when the soil pressure in the native case of the buffering is more than predetermined value, the delivery pump extracts inside the native case of the buffering
Dregs.
The delivery pump includes soil box, swing pipe and two hydraulic pressure aspirators；The soil box is arranged on the buffering soil
The bottom of case connects with the native case of the buffering and is integrally formed formula structure；The hydraulic pressure aspirator includes suction cylinder and sets
Put the piston inside the suction cylinder；Two hydraulic pressure aspirators are disposed side by side on the side of the soil box, the pumping
The end of suction tube is fixedly connected with the opening of the soil box side wall；The swing pipe is arranged on inside the soil box, the swing pipe
First end is connected with the soil outlet of the delivery pump；The second end of the swing pipe is close to the inner surface of the soil box, in the soil
The inside reciprocally swinging of slot simultaneously replaces connection with the end of two suction cylinders；Two hydraulic pressure aspirators are used to replace
Ground extracts dregs from the soil box, and dregs is discharged the delivery pump by the swing pipe.
In the main pumping installations, the dregs entrance and the soil outlet of the screw conveyor of the native case of buffering connect
It connects, the soil outlet of the delivery pump is connected with the servo-actuated pipeline；In the relay pumping device, the slag of the native case of buffering
Native entrance is connected with the supervisory fixed pipeline, and the soil outlet of the delivery pump is connected with the secondary fixed pipeline.
The silencing means includes dregs conduit, separator tube, hydraulic cylinder and accumulator；The first end of the separator tube
The middle part of the dregs conduit is connected to, the buffer tube interior is provided with action piston, the second end installation of the separator tube
It is useful for acting the hydraulic cylinder of piston described in pushing tow；The back cavity of the hydraulic cylinder passes through hydraulic pressure oil-piping layout and the accumulator
Connection；The accumulator includes housing and is arranged on the in vivo air bag of the shell, and the housing connects with the hydraulic pressure oil-piping layout
It is logical, gases at high pressure are filled in the air bag.
The action piston is connected with work and confirms stick, and the work confirms the end of stick from the second end of the separator tube
It stretches out；The hydraulic pressure oil-piping layout is connected with safety valve, and the safety valve is connected with hydraulic oil collection device.
It is an advantage of the invention that：By the way that telescopic pipeline is set to extend device, dregs pump tubing length can be separated into
Dynamic pipeline and fixed pipeline, fixed pipeline are fixedly mounted on tunnel internal so that and dregs pump tubing length becomes semi-fixed structure,
Servo-actuated pipeline movement need to be only dragged during shield machine jacking, avoids the problem of dregs pump tubing length is difficult to move integrally；
The coupling pumped out in clay model group between various components is smaller, and control system is relatively simple；Pumping system uses modularized design,
Can dilatation easily be carried out to pumping system by adjusting clay model group is pumped out, without replacing key equipment.
Description of the drawings
Fig. 1 is the top view for being used to pump out soil series system in the present invention；
Fig. 2 is the side view for being used to pump out soil series system in the present invention；
Fig. 3 is side view when the telescopic pipeline extension device of the present invention is in contraction state；
Fig. 4 is the section view at A-A in Fig. 3 of the present invention；
Fig. 5 is the partial enlarged view at B in Fig. 3 of the present invention；
Fig. 6 is side view when the telescopic pipeline extension device of the present invention is in elongation state；
Fig. 7 is the side view of main pumping installations in the present invention；
Fig. 8 is the top view of the delivery pump in the present invention；
Fig. 9 is another top view of the delivery pump in the present invention；
Figure 10 is the structure diagram of the silencing means in the present invention；
Figure 11 is the operation principle schematic diagram of the silencing means in the present invention.
Specific embodiment
The feature of the present invention and other correlated characteristics are described in further detail by embodiment below in conjunction with attached drawing, with
Convenient for the understanding of technical staff of the same trade：
Such as Fig. 1-11, mark 1-44 is respectively in figure：Pump out clay model group 1, main pumping installations 2, servo-actuated pipeline 3, fixed pipeline
4th, shield machine 5, screw conveyor 6, telescopic pipeline extend device 7, silencing means 8, relay pumping device 9, the native case 10 of buffering,
Delivery pump 11, soil pressure meter 12, soil box 13, swing pipe 14, hydraulic pressure aspirator 15a, hydraulic pressure aspirator 15b, suction cylinder 16a, pumping
Suction tube 16b, piston 17a, piston 17b, hydraulic cylinder 18, relief valve 19, maintenance door 20, inner sleeve 21, outer tube 22, sealing dress
Put 23, limited block 24, limiting plate 25, directive wheel 26, universal wheel 27, mobile stent 28, steering bracket 29, sealing ring fixinig plate
30th, sealing ring 31, fixed link 32, water filling device 33, dregs conduit 34, separator tube 35, hydraulic cylinder 36, accumulator 37, action
Piston 38, hydraulic pressure oil-piping layout 39, air bag 40, safety valve 41, fuel pressure gage 42, hydraulic oil collection device 43, work confirm stick 44.
Embodiment：As shown in Figure 1, 2, the present embodiment prolongs more particularly to a kind of for pumping out the telescopic pipeline of soil series system
Growth device；In the present embodiment, telescopic pipeline extends the pipeline connection that device 7 is used to pump out soil series system, pumps out soil series system
Clay model group 1 is pumped out including at least one；Pumping out clay model group 1 includes main pumping installations 2, servo-actuated pipeline 3 and fixed pipeline
4；It pumps out the main pumping installations 2 of clay model group 1 to be connected with the screw conveyor 6 of shield machine 5, for screw conveyor 6 to be exported
Dregs be pumped in servo-actuated pipeline 3；Telescopic pipeline extends device 7 and is connected between servo-actuated pipeline 3 and fixed pipeline 4；
During 5 jacking of shield machine, servo-actuated pipeline 3 persistently travels forward with shield machine.
As shown in figure 3, telescopic pipeline, which extends device 7, includes inner sleeve 21 and outer tube 22；The first of inner sleeve 21
End is plugged in the inside of outer tube 22 via the first end of outer tube 22；The second end of inner sleeve 21 passes through flange and servo-actuated pipeline
3 connections；The second end of outer tube 22 is connected by flange with fixed pipeline 4.
As shown in Figure 3,4, it is provided with position limiting structure between inner sleeve 21 and outer tube 22；Position limiting structure includes limited block
24 and limiting plate 25；Limited block 24 is arranged on the outside of the first end of inner sleeve 21；Limiting plate 25 is annular, mounted on housing
The first end of pipe 22, limiting plate 25 are looped around the outside of inner sleeve 21；Limiting plate 25 is mutually adapted composition /V with limited block 24
Structure；The first end of outer tube 22 is also equipped with two directive wheels 26, and directive wheel 26 is close to the outer surface of the inner sleeve 21,
When inner sleeve 21 and outer tube 22 are along its axial relative movement, directive wheel 26 can play the role of guiding.
As shown in Fig. 3,5, sealing device 23 is provided on the outside of the first end of inner sleeve 21；Sealing device 23 includes sealing
Ring fixinig plate 30 and several sealing rings 31；In the present embodiment, the number of sealing ring 31 is five, and sealing ring fixinig plate 30 is surround
The outer surface of inner sleeve 21 is arranged on, and is fixedly connected with inner sleeve 21；Each sealing ring 31 is distributed along the axial direction of inner sleeve 21, and
The side of sealing ring fixinig plate 30 is fixed on by fixed link 32；In the present embodiment, the material of sealing ring 31 is rubber；Sealing ring
There are certain densification amounts between 31 and the inner surface of outer tube 22 so that the two fits closely；Sealing device 23 can prevent
Seam of the dregs between inner sleeve 21 and outer tube 22 is overflowed.
As shown in figure 3, in the present embodiment, the lower section of inner sleeve 21 and outer tube 22 is both provided with steering bracket 29, often
The lower section of a steering bracket 29 is both provided with mobile stent 28, and steering bracket 29 is mounted on mobile stent by a vertical shaft
28 top, steering bracket 29 can be rotated along vertical shaft；The bottom of mobile stent 28 is provided with universal wheel 27；In inner sleeve
During pipe 21 and outer tube 22 move along its axis, mobile stent 28 is synchronized with the movement therewith, by setting steering bracket
29 when can be inconsistent to avoid the direction of motion of mobile stent 28 and the inner sleeve 21 or outer tube 22, and mobile stent 28 is to pipe
Road applies lateral load and so that pipe deforming is damaged.
As shown in Figure 1,3, during 5 jacking of shield machine, inner sleeve 21 is synchronous with shield machine 5 and servo-actuated pipeline 3
It travels forward；In the process, inner sleeve 21 is gradually extracted out from outer tube 22, until the state shown in Fig. 6；Shown in Fig. 6
State in, limited block 24 touches the inner surface of limiting plate 25；Inner sleeve 21 can not continue to extract out at this time, it is therefore desirable to solid
Fixed tube road 4 carries out spreading；During spreading fixes pipeline 4, the flange between outer tube 22 and fixed pipeline 4 is disconnected first
Connection then promotes outer tube to the direction of inner sleeve 21；The new tube coupling of fixed pipeline 4 is connected to after the completion of promotion original
Fixation pipeline 4 and outer tube 22 second end between；New tube coupling after installation is complete telescopic pipeline extend the state of device 7
As shown in Figure 3.
As shown in Figure 1, 2, in the present embodiment, fixed pipeline 4 is spliced to form section by section by several sections of tube couplings；Between each tube coupling
It is attached by flange；Fixed pipeline 4 includes horizontal segment and vertically raised section, and horizontal segment is arranged on the interior of shield tunnel
Portion, vertically raised section is arranged in the vertical shaft of shield tunnel end；One end of horizontal segment extends device 7 with telescopic pipeline and connects
It connects, the other end is connected by silencing means 8 with vertically raised section, and vertically raised section of end extends to ground；In horizontal segment
It is in series at least one set of water filling device 33；Water filling device 33 is used for the dregs water filling into fixed pipeline 4, it is made to keep flowing
Property, to pump.
As shown in Figure 1, 2, main pumping installations 2 is connected between servo-actuated pipeline 3 and the screw conveyor 6 of shield machine 5；Except
Main pumping installations 2 pumps out clay model group 1 and further includes several relay pumping devices 9, and relay pumping device 9 is connected on fixing pipe
In road 4；Main pumping installations is used to the dregs that screw conveyor 6 exports being pumped in servo-actuated pipeline 3 with 2, relay pumping device 9
For overcoming pipe resistance, relay pumping is carried out to dregs.
As shown in Figure 1, 2, in the present embodiment, the structure of main pumping installations 2 and relay pumping device 9 is identical；The two
Structure is as shown in fig. 7, the two includes the native case 10 of buffering and delivery pump 11；The top of the native case 10 of buffering is provided with dregs and enters
Mouthful, the bottom for buffering native case 10 is connected with delivery pump 11；Soil pressure meter 12 is provided on the native case 10 of buffering, soil pressure meter 12 is used to detect
Soil pressure in the native case 10 of buffering；When the soil pressure in the native case 10 of buffering is more than predetermined value, delivery pump 11 is inside the native case 10 of buffering
Dregs is extracted, and dregs is pumped into secondary pipes.Dregs, while delivery pump are kept in using the native case 10 of buffering in the present embodiment
11 soil pressure in the native case 10 of buffering controls delivery pump 11 so that entirely pumping out clay model group 1 can be according to pumping installations
Installation position carries out Discrete control；Simultaneous buffering soil case 10 separates control it is also possible that pumping out clay model group 1 with screw conveyor 6
System；Each pumping installations only needs the soil pressure in the native case of its buffering to adjust its pumping parameter so that each pumping installations operation
The operating parameter of its delivery pump 11 need not be adjusted according to the operating status for entirely pumping out clay model group 1 in the process；Introduce buffering soil
Case 10 can effectively reduce the coupling for pumping out each section in clay model group 1, by complicated Control system decoupling into simple
Subsystem.
As shown in Figure 7,8, in the present embodiment, delivery pump 11 includes soil box 13, swing pipe 14 and two hydraulic pressure aspirators
15（Aspirator 15 is the general designation of aspirator 15a and aspirator 15b）；Soil box 13 is arranged on the bottom of the native case 10 of buffering
Portion connects with the native case of buffering and is integrally formed formula structure；Dregs in the native case 10 of buffering can be fallen directly into inside soil box 13.
As shown in Figure 8,9, hydraulic pressure aspirator 15 is arranged on the outside of soil box 13, and two hydraulic pressure aspirators 15 are set side by side
It puts in the side of soil box 13；Hydraulic pressure aspirator 15 includes suction cylinder 16（Suction cylinder 16 is suction cylinder 16a and suction cylinder 16b
General designation）And it is arranged on the piston 17 inside suction cylinder 16（Piston 17 is the general designation of piston 17a and piston 17b）, piston
17 are driven by hydraulic cylinder 18；The end of suction cylinder 16 is fixedly connected with the opening of 13 side wall of soil box, the dregs inside soil box 13
It can enter via the opening of 13 side wall of soil box inside suction cylinder 16.
As shown in Figure 8,9, swing pipe 14 is arranged on the inside of soil box 13, the first end of swing pipe 14 and the soil outlet of delivery pump 11
Connection；The second end of swing pipe 14 is close to the inner surface of soil box 13；Swing pipe 14 is connected with hydraulic drive mechanism（It is not drawn into figure）, pendulum
The second end of pipe 14 can under the driving of hydraulic drive mechanism in soil box 13 reciprocally swinging, and with the end of two suction cylinders 16
Alternately connect.
As shown in Figure 8,9, in 11 course of work of delivery pump, two hydraulic pressure aspirators 15 are used for alternately from soil box 13
Dregs is extracted, and dregs is discharged into delivery pump 11 by swing pipe 14；Specifically, state as shown in Figure 8, hydraulic pressure aspirator
The piston 17a of 15a extracts dregs from soil box 13；Simultaneously, swing pipe 14 is connected to another hydraulic pressure aspirator 15b
Suction cylinder 16b end, the direction of motion of piston 17b and the direction of motion of piston 17a on the contrary, piston 17b by suction cylinder 16b
In dregs push-in swing pipe 14 in；After the completion of dregs discharge in suction cylinder 16b, swing pipe 14 is moved to another suction cylinder 16a,
Into state shown in Fig. 9, the working condition of two hydraulic pressure aspirators 15 and state shown in Fig. 8 are completely opposite at this time；It is defeated
It send in the course of work of pump 11 and continuously repeats the above process.
As shown in fig. 7, it is additionally provided with relief valve 19 and maintenance door 20 in the side of the native case 10 of buffering；When the native case 10 of buffering
When interior soil pressure is excessive, relief valve 19 can be opened, and the dregs buffered in native case 10 is discharged and is damaged to avoid the native case 10 of buffering；When
Reinforcing bar, rubble are mixed into when being difficult to the foreign matter discharged in the native case 10 of buffering, can be opened maintenance door, be taken out foreign matter；Delivery pump 11
It is connected with fuel tank, switch board and motor pump group.
As shown in Fig. 1,7, in main pumping installations 2, the soil outlet of the dregs entrance and screw conveyor 6 of native case 10 is buffered
Connection, the soil outlet of delivery pump 11 are connected with the servo-actuated pipeline 3.
As shown in Fig. 1,7, in relay pumping device 9, buffer the dregs entrance of native case 10 with supervisory fixed pipeline 4
Connection, the soil outlet of delivery pump 11 are connected with secondary fixation pipeline 4；Relay pumping device 9 can overcome pipe resistance, effectively
Ground increase pumps out the pumping distance of clay model group 1；The setting interval of relay pumping device 9 can be according to relay pumping device 9
The characterisitic parameter of pumpability, the resistance of pipeline and dregs determines；By reasonably arranging relay pumping device 9, Ke Yishi
Now remote dregs pumping.
As shown in Figure 10,11, pumping installations reciprocating action can generate pulse shock power；Dregs from fixed pipeline 4 discharge when,
Larger noise can be generated under the action of pulse shock power；In addition pulse shock power can also cause dregs to turn fixed pipeline
Crook generates larger impact force；To solve the above-mentioned problems, this embodiment introduces silencing means 8；Silencing means 8 includes slag
Native conduit 34, separator tube 35, hydraulic cylinder 36 and accumulator 37；The first end of separator tube 35 is connected in dregs conduit 34
Portion, separator tube 35 are internally provided with action piston 38, and the second end of separator tube 35 is equipped with for the liquid of pushing action piston 38
Compressing cylinder 36；The back cavity of hydraulic cylinder 36 is connected by hydraulic pressure oil-piping layout 39 with accumulator 37；Accumulator 37 include housing and
The in vivo air bag 40 of shell is arranged on, housing is connected with hydraulic pressure oil-piping layout 39, and gases at high pressure are filled in air bag 40.
As shown in Figure 10,11, dregs conduit 34 is connected in fixed pipeline 4, the diameter phase of diameter and fixed pipeline 4
Together；Separator tube 35 is tilted to the entrance of dregs conduit 34, and angle therebetween is between 40 ° to 60 °；34 conduct of dregs conduit
The body of silencing means 8, for absorbing impact power and installation other component.
As shown in Figure 10,11, after the pulse shock power of dregs reaches silencing means 8, a part for dregs pours in buffering
Pipe 35, the impact force action of dregs on action piston 38, second end from pushing action piston 38 to separator tube 35, in this process
The impact force of middle dregs weakens significantly；At the same time it is located at 36 contracts last of hydraulic cylinder of action 38 opposite side of piston, hydraulic pressure
Hydraulic oil in 36 back cavity of oil cylinder persistently flows out；Hydraulic oil is flowed into via hydraulic pressure oil-piping layout 39 inside accumulator 37；In dregs
Under effect, the hydraulic oil in accumulator 37 persistently increases, while hydraulic oil is persistently compressed air bag 40；In normal condition
Under, the air pressure in air bag 40 can reach equilibrium state with the oil pressure in hydraulic cylinder 36；The pressure of subsequent dregs weakens, air bag 40
Hydraulic oil is squeezed out into accumulator 37, hydraulic cylinder 36 pushes action piston 38 the first of separator tube 35 under the action of hydraulic oil
End, the next pulse of dregs to be waited to impact.
Above-mentioned working condition is the normal operative condition of silencing means 8, but when the impact force of dregs is excessive, hydraulic oil
Oil pressure may be more than the pressure-bearing limit of accumulator 37 and hydraulic cylinder 36；In order to solve this problem, in the present embodiment
Safety valve 41 and fuel pressure gage 42 are provided on hydraulic pressure oil-piping layout 39；Safety valve 41 is connected with hydraulic oil collection device 43；Peace
Full valve 41 be normal closed gate, when hydraulic oil oil pressure be more than secure threshold when safety valve 41 open, it is extra in hydraulic pressure oil-piping layout 39
Hydraulic oil flow into hydraulic oil collection device 43, to ensure that silencing means 8 is operated under safe operating mode.
As shown in Figure 10,11, in order to intuitively show the state of silencing means 8 during the work time, in action piston 38
On be equipped with work confirm stick 44；Work confirms that the end of stick 44 is stretched out from the second end of separator tube 35；It works in silencing means 8
During, work confirms that stick 44 can be as action piston 38 moves back and forth, and construction personnel can confirm stick 44 according to work
Motion frequency and amplitude judge the working condition of silencing means 8.
As shown in Figure 1, 2, in the present embodiment, the number for pumping out clay model group 1 is two, pumps out the number of clay model group 1 simultaneously
Two are not limited to, according to the unearthed amount of screw conveyor 6 and the suitable number of pumpability selection of clay model group 1 can be pumped out
（One or more than two）；In the present embodiment, different duty parameters is adapted to by adjusting the number for pumping out clay model group 1, it can
To pump out clay model group 1 using identical configuration in different shield machines, pumping out the various assemblies in clay model group 1 can weigh
It is multiple to utilize, duty parameter is avoided to need replacing the situation for pumping out the various assemblies in clay model group 1 when changing.
The advantageous effects of the present embodiment are：It, can be by dregs pumping line by the way that telescopic pipeline is set to extend device
Road is separated into servo-actuated pipeline and fixed pipeline, and fixed pipeline is fixedly mounted on tunnel internal so that dregs pump tubing length becomes
Semi-fixed structure need to only drag servo-actuated pipeline movement, avoid dregs pump tubing length and be difficult to entirety during shield machine jacking
The problem of mobile；The coupling pumped out in clay model group between various components is smaller, and control system is relatively simple；Pumping system uses
Modularized design easily can carry out dilatation, without replacing key equipment by adjusting clay model group is pumped out to pumping system.
Claims (10)
1. a kind of extend device for pumping out the telescopic pipeline of soil series system, the soil series system that pumps out includes at least one pump
Send out clay model group；The clay model group that pumps out includes sequentially connected main pumping installations, servo-actuated pipeline and fixed pipeline；It is special
Sign is：The telescopic pipeline extends device and is connected between the servo-actuated pipeline and the fixed pipeline；It is described flexible
Formula pipeline, which extends device, includes inner sleeve and outer tube；The first end of the inner sleeve is inserted by the first end of the outer tube
It is located at the inside of the outer tube；Position limiting structure is provided between the outer tube and the inner sleeve；The of the inner sleeve
Two ends are connected by flange with the servo-actuated pipeline；The second end of the outer tube is connected by flange with the fixed pipeline.
2. a kind of telescopic pipeline for being used to pump out soil series system according to claim 1 extends device, it is characterised in that：
The position limiting structure includes limited block and the limiting plate of annular；The limited block is arranged on the outer of the first end of the inner sleeve
Side；The limiting plate is mounted on the first end of the outer tube；The first end of the outer tube is also equipped with several directive wheels,
The directive wheel is close to the outer surface of the inner sleeve.
3. a kind of telescopic pipeline for being used to pump out soil series system according to claim 1 extends device, it is characterised in that：
Be provided with sealing device on the outside of the first end of the inner sleeve, the sealing device include sealing ring fixinig plate and several
Sealing ring；The sealing ring fixinig plate is circumferentially positioned at the outer surface of the inner sleeve, and is fixedly connected with the inner sleeve；Respectively
The sealing ring is distributed along the axial direction of the inner sleeve, and is passed through fixed link and be fixed on the sealing ring fixinig plate；It is described close
Seal ring and the inner surface of the outer tube fit closely.
4. a kind of telescopic pipeline for being used to pump out soil series system according to claim 1 extends device, it is characterised in that：
Steering bracket is both provided with below the inner sleeve and the outer tube, the bottom of the steering bracket is both provided with movement
Stent, the steering bracket are connected by a vertical shaft with the mobile stent；The bottom of the mobile stent is provided with
Universal wheel.
5. a kind of telescopic pipeline for being used to pump out soil series system according to claim 1 extends device, it is characterised in that：
The main pumping installations is connected between the servo-actuated pipeline and the screw conveyor of shield machine, and the main pumping installations is used for will
The dregs of the screw conveyor output is pumped in the servo-actuated pipeline；Fixing pipe road be in series with silencing means and
At least one set of relay pumping device.
6. a kind of telescopic pipeline for being used to pump out soil series system according to claim 5 extends device, it is characterised in that：
The main pumping installations and the relay pumping device include the native case of buffering and delivery pump；The top of the native case of buffering
Dregs entrance is provided with, the bottom of the native case of buffering is connected with the delivery pump；Soil pressure meter is provided on the native case of buffering,
When the soil pressure in the native case of the buffering is more than predetermined value, the delivery pump extracts dregs inside the native case of the buffering.
7. a kind of telescopic pipeline for being used to pump out soil series system according to claim 6 extends device, it is characterised in that：
The delivery pump includes soil box, swing pipe and two hydraulic pressure aspirators；The soil box is arranged on the bottom of the native case of the buffering,
It is connected with the native case of the buffering and is integrally formed formula structure；The hydraulic pressure aspirator includes suction cylinder and is arranged on the pumping
Piston inside suction tube；Two hydraulic pressure aspirators are disposed side by side on the side of the soil box, the end of the suction cylinder
It is fixedly connected with the opening of the soil box side wall；The swing pipe is arranged on inside the soil box, the first end of the swing pipe and institute
State the soil outlet connection of delivery pump；The second end of the swing pipe is close to the inner surface of the soil box, past in the inside of the soil box
Physical pendulum moves and replaces connection with the end of two suction cylinders；Two hydraulic pressure aspirators are used for alternately from the soil
Dregs is extracted in slot, and dregs is discharged into the delivery pump by the swing pipe.
8. a kind of telescopic pipeline for being used to pump out soil series system according to claim 6 extends device, it is characterised in that：
In the main pumping installations, the dregs entrance of the native case of buffering is connected with the soil outlet of the screw conveyor, described defeated
The soil outlet of pump is sent to be connected with the servo-actuated pipeline；In the relay pumping device, the dregs entrance of the native case of buffering with
The supervisory fixed pipeline connection, the soil outlet of the delivery pump are connected with the secondary fixed pipeline.
9. a kind of telescopic pipeline for being used to pump out soil series system according to claim 5 extends device, it is characterised in that：
The silencing means includes dregs conduit, separator tube, hydraulic cylinder and accumulator；The first end of the separator tube is connected to institute
The middle part of dregs conduit is stated, the buffer tube interior is provided with action piston, and the second end of the separator tube is equipped with to push up
Push away the hydraulic cylinder of the action piston；The back cavity of the hydraulic cylinder is connected by hydraulic pressure oil-piping layout with the accumulator；Institute
Stating accumulator includes housing and is arranged on the in vivo air bag of the shell, and the housing is connected with the hydraulic pressure oil-piping layout, described
Gases at high pressure are filled in air bag.
10. according to claim 9 a kind of for pumping out the telescopic pipeline extension device of soil series system, feature exists
In：The action piston is connected with work and confirms stick, and the work confirms that the end of stick is stretched out from the second end of the separator tube；
The hydraulic pressure oil-piping layout is connected with safety valve, and the safety valve is connected with hydraulic oil collection device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810071688.0A CN108119158B (en) | 2018-01-25 | 2018-01-25 | Telescopic pipeline extension device for pumping out soil system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810071688.0A CN108119158B (en) | 2018-01-25 | 2018-01-25 | Telescopic pipeline extension device for pumping out soil system |
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| CN108119158A true CN108119158A (en) | 2018-06-05 |
| CN108119158B CN108119158B (en) | 2024-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810071688.0A Active CN108119158B (en) | 2018-01-25 | 2018-01-25 | Telescopic pipeline extension device for pumping out soil system |
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| CN108049879A (en) * | 2018-01-25 | 2018-05-18 | 上海力行工程技术发展有限公司 | A kind of pumping installations for being used to pump out soil series system |
| CN108457661A (en) * | 2018-01-25 | 2018-08-28 | 上海力行工程技术发展有限公司 | A kind of silencing means for pumping out soil series system |
| CN108678766A (en) * | 2018-07-03 | 2018-10-19 | 中国铁建重工集团有限公司 | A kind of development machine slag-tapping system and driving machine equipment |
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| CN108119158B (en) | 2024-04-19 |
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