CN108049879A - A kind of pumping installations for being used to pump out soil series system - Google Patents
A kind of pumping installations for being used to pump out soil series system Download PDFInfo
- Publication number
- CN108049879A CN108049879A CN201810071687.6A CN201810071687A CN108049879A CN 108049879 A CN108049879 A CN 108049879A CN 201810071687 A CN201810071687 A CN 201810071687A CN 108049879 A CN108049879 A CN 108049879A
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- Prior art keywords
- soil
- buffering
- pumping
- pumping installations
- native case
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- 238000005086 pumping Methods 0.000 title claims abstract description 102
- 239000002689 soil Substances 0.000 title claims abstract description 81
- 238000009434 installation Methods 0.000 title claims abstract description 53
- 230000003139 buffering effect Effects 0.000 claims abstract description 50
- 239000004927 clay Substances 0.000 claims abstract description 27
- 239000000284 extract Substances 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 29
- 230000009471 action Effects 0.000 claims description 17
- 239000010720 hydraulic oil Substances 0.000 claims description 15
- 239000007789 gas Substances 0.000 claims description 3
- 238000001727 in vivo Methods 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 2
- 230000008878 coupling Effects 0.000 abstract description 9
- 238000010168 coupling process Methods 0.000 abstract description 9
- 238000005859 coupling reaction Methods 0.000 abstract description 9
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000030279 gene silencing Effects 0.000 description 16
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 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
- 239000000203 mixture Substances 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 230000001360 synchronised effect 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
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000004744 fabric Substances 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
- 238000004064 recycling Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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 OR ROCK 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
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a kind of for pumping out the pumping installations 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 servo-actuated pipeline, fixed pipeline, main pumping installations and several relay pumping devices；Main pumping installations is connected between servo-actuated pipeline and the screw conveyor of shield machine, and relay pumping device is connected in fixed pipeline；The main pumping installations and the relay pumping device include the native case of buffering and delivery pump；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 buffering is more than predetermined value, the delivery pump extracts dregs inside the native case of the buffering.It is an advantage of the invention that by using the native case of buffering, main pumping installations and relay pumping device will pump out clay model component and be divided into several subsystems；Coupling between each subsystem is smaller, effectively simplifies the control system for pumping out clay model group.
Description
Technical field
The present invention relates to pumping installations, and in particular to a kind of pumping installations for being used to pump out soil series system.
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.The delivery pump of pumping transportation system of the prior art typically directly connects with the screw conveyor of shield machine
It connects, but the unearthed amount of screw conveyor usually has larger fluctuation；In pumping procedure, delivery pump needs continually basis
The unearthed amount of screw conveyor adjusts its feed flow, this causes the control system of delivery pump and complicated shield machine control system
Between there are stronger coupling, this causes dregs pumping system of the prior art to be difficult to stable work.
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 the pump of soil series system
Device is sent, which realizes the decoupling between pumping system and shield machine by using the native case of buffering.
The object of the invention realization is completed by following technical scheme：
It is a kind of for pump out the soil series system pumping installations, 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 servo-actuated pipeline, fixed pipeline and pumping installations；It is characterized in that：The pumping installations includes
Main pumping installations and several relay pumping devices；The main pumping installations is connected to the spiral of the servo-actuated pipeline and shield machine
Between conveyer, the relay pumping device is connected in the fixed pipeline；The main pumping installations and the relay pump
Device is sent to include the native case of buffering and delivery pump；Dregs entrance, the native case of buffering are provided at the top of the native case of buffering
Bottom be 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
During predetermined value, the delivery pump extracts dregs inside the native case of the buffering.
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 dregs entrance of the native case of buffering is connected with the supervisory fixed pipeline,
The soil outlet of the delivery pump is connected with the secondary fixed pipeline.
Extend device by telescopic pipeline between the servo-actuated pipeline and the fixed pipeline to be attached；The fixation
Silencing means is in series on pipeline.
The telescopic pipeline, which extends device, includes inner sleeve and outer tube；The first end of the inner sleeve passes through described
The first end of outer tube is plugged in the inside of the outer tube；Be provided on the outside of the first end of the inner sleeve sealing device with
And limited block；The first end of the outer tube is equipped with the limiting plate and several directive wheels of annular, the limiting plate and institute
It states limited block and is mutually adapted composition position limiting structure；The directive wheel is close to the outer surface of 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.
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 sealing device includes sealing ring fixinig plate and several sealing rings；The sealing ring fixinig plate is around setting
It is fixedly connected in the outer surface of the inner sleeve, and with the inner sleeve；Axial direction point of each sealing ring along the inner sleeve
Cloth, and pass through the side that fixed link is fixed on the sealing ring fixinig plate；The inner surface of the sealing ring and the outer tube is tight
Closely connected conjunction.
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 using the native case of buffering, main pumping installations and relay pumping device will be pumped and be unearthed
Module is separated into several subsystems；Coupling between each subsystem is smaller, effectively simplifies the control for pumping out clay model group
System；Pumping system uses modularized design, and easily dilatation can be carried out to pumping system by adjusting clay model group is pumped out,
Key equipment need not be replaced.
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 the side view of main pumping installations in the present invention；
Fig. 4 is the top view of the delivery pump in the present invention；
Fig. 5 is another top view of the delivery pump in the present invention；
Fig. 6 extends side view when device is in contraction state for the telescopic pipeline in the present invention；
Fig. 7 is the section view at A-A in Fig. 6 of the present invention；
Fig. 8 is the partial enlarged view at B in Fig. 6 of the present invention；
Fig. 9 extends side view when device is in elongation state for the telescopic pipeline 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 15, hydraulic pressure aspirator 15a, hydraulic pressure aspirator
15b, suction cylinder 16, suction cylinder 16a, suction cylinder 16b, piston 17, piston 17a, piston 17b, hydraulic cylinder 18, relief valve 19,
Maintenance door 20, inner sleeve 21, outer tube 22, sealing device 23, limited block 24, limiting plate 25, directive wheel 26, universal wheel 27, shifting
It is dynamic stent 28, steering bracket 29, sealing ring fixinig plate 30, sealing ring 31, fixed link 32, water filling device 33, dregs conduit 34, slow
Washing pipe 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 is more particularly to a kind of pumping installations for being used to pump out soil series system；It should
Pumping out soil series system includes at least one pumping out clay model group 1；Pump out clay model group 1 include servo-actuated pipeline 3, fixed pipeline 4 with
And pumping installations；Extend device 7 by telescopic pipeline between servo-actuated pipeline 3 and fixed pipeline 4 to be attached；Pumping installations bag
Include main pumping installations 2 and several relay pumping devices 9；Main pumping installations 2 is connected to the spiral of servo-actuated pipeline 3 and shield machine 5
Between conveyer 6, relay pumping device 9 is connected in fixed pipeline 4；Main pumping installations is used to export screw conveyor 6 with 2
Dregs be pumped in servo-actuated pipeline 3, relay pumping device 9 carries out relay pumping for overcoming pipe resistance, to dregs.
As shown in Fig. 1,3,4, in the present embodiment, the structure of main pumping installations 2 and relay pumping device 9 is identical；The two
Structure as shown in Figure 3,4, 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
Entrance, the bottom for buffering native case 10 are 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 examine
Survey the 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 out of buffering native case 10
Portion extracts dregs, and dregs is pumped into secondary pipes.Dregs is kept in using the native case 10 of buffering in the present embodiment, is conveyed simultaneously
Soil pressure of the pump 11 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 carry out Discrete control；Simultaneous buffering soil case 10 separates it is also possible that pumping out clay model group 1 and screw conveyor 6
Control；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 fortune
The operating parameter of its delivery pump 11 need not be adjusted during row according to the operating status for entirely pumping out clay model group 1；Introduce buffering
Native 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 3,4, 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 3,4, 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 3,4, 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 Fig. 3,4,5, in 11 course of work of delivery pump, two hydraulic pressure aspirators 15 are used for alternately from soil box 13
Middle extraction dregs, and dregs is discharged into delivery pump 11 by swing pipe 14；Specifically, state as shown in Figure 4, 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 the state shown in Fig. 5, the working condition of two hydraulic pressure aspirators 15 and state shown in Fig. 4 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 figure 3, 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 figure 3, in main pumping installations 2, the soil outlet of the dregs entrance and screw conveyor 6 that buffer native case 10 connects
It connects, the soil outlet of delivery pump 11 is connected with the servo-actuated pipeline 3.
As shown in Figure 1, 2, 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 Fig. 6,7,8, shield machine 5 continues jacking forward in the construction process, in order to avoid entire pipeline is with shield
Structure machine is synchronized with the movement, and telescopic pipeline is introduced in the present embodiment and extends device 7；Telescopic pipeline, which extends device 7, includes inner sleeve
Pipe 21 and outer tube 22；The first end of inner sleeve 21 is plugged in the inside of outer tube 22 via the first end of outer tube 22；It is interior
Sealing device 23 and limited block 24 are provided on the outside of the first end of casing 21；The first end of outer tube 22 is equipped with annular
Limiting plate 25 and two directive wheels 26, limiting plate 25 are mutually adapted composition position limiting structure with limited block 24；Directive wheel 26 is close to
The surface of inner sleeve 21；The second end of inner sleeve 21 is connected by flange with servo-actuated pipeline 3；The second end of outer tube 22 passes through method
It is blue to be connected with fixed pipeline 4.
As shown in fig. 6, 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；The bottom of mobile stent 28 is provided with universal wheel 27；It is moved along its axis in inner sleeve 21 and outer tube 22
In the process, mobile stent 28 is synchronized with the movement therewith, by setting steering bracket 29 can be to avoid mobile stent 28 and the inner sleeve
When the direction of motion of pipe 21 or outer tube 22 is inconsistent, mobile stent 28 applies lateral load to pipeline and pipe deforming is broken
Damage.
As shown in Fig. 6,8, sealing device 23 includes sealing ring fixinig plate 30 and several sealing rings 31；The present embodiment
In, the number of sealing ring 31 is five, and sealing ring fixinig plate 30 is circumferentially positioned at the outer surface of inner sleeve 21, and solid with inner sleeve 21
Fixed connection；Each sealing ring 31 is distributed along the axial direction of inner sleeve 21, and passes through the side that fixed link 32 is fixed on sealing ring fixinig plate 30
Face；In the present embodiment, the material of sealing ring 31 is rubber；There are certain pressures between the inner surface of sealing ring 31 and outer tube 22
Close amount so that the two fits closely.
As shown in Fig. 6,8, inner sleeve 21 is connected with servo-actuated pipeline 3, and outer tube 22 is connected with fixed pipeline 4；In shield machine 5
During jacking, inner sleeve 21 synchronously travels forward with shield machine 5 and servo-actuated pipeline 3；In the process, inner sleeve 21 by
It is gradually extracted out from outer tube 22, until state shown in Fig. 9；In state shown in Fig. 9, limited block 24 touches limiting plate 25
Inner surface；Inner sleeve 21 can not continue to extract out at this time, it is therefore desirable to carry out spreading to fixed pipeline 4；Pipeline 4 is fixed in spreading
During, the flanged joint between outer tube 22 and fixed pipeline 4 is disconnected first, then by outer tube to the side of inner sleeve 21
To promotion；The new tube coupling of fixed pipeline 4 is connected to the second end of original fixed pipeline 4 and outer tube 22 after the completion of promotion
Between；New tube coupling after installation is complete telescopic pipeline extend device 7 state it is as shown in Figure 6.
As shown in Figure 1, 2, in the present embodiment, water filling device 33 and silencing means 8 are in series in fixed pipeline 4；Tool
Body, fixed pipeline 4 is spliced to form section by section by several sections of tube couplings；It is attached between each tube coupling by flange；Fixed pipeline 4 wraps
Horizontal segment and vertically raised section are included, horizontal segment is arranged on the inside of shield tunnel, and vertically raised section is arranged on shield tunnel end
In the vertical shaft at end；One end of horizontal segment extends device 7 with telescopic pipeline and is connected, and the other end is by silencing means 8 and vertically
Ascent stage connects, and vertically raised section of end extends to ground；At least one set of water filling device 33 is in series in horizontal segment；Water filling fills
33 are put for the dregs water filling into fixed pipeline 4, it is made to keep mobility, to pump.
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, act on piston 38
Work is installed and confirms 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
In the process, 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, however pumps out the number of clay model group 1
Mesh is not limited to two, according to the unearthed amount of screw conveyor 6 and can pump out the suitable number of pumpability selection of clay model group 1
Mesh（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,
Clay model group 1 can be pumped out using identical configuration in different shield machines, pumping out various assemblies in clay model group 1 can be with
Recycling, avoids duty parameter from needing replacing the situation for pumping out the various assemblies in clay model group 1 when changing.
The advantageous effects of the present embodiment are：By using the native case of buffering, main pumping installations and relay pumping device
Clay model component will be pumped out and be divided into several subsystems；Coupling between each subsystem is smaller, effectively simplifies pumping and is unearthed
The control system of module；Pumping system uses modularized design, can be to pumping easily by adjusting clay model group is pumped out
System carries out dilatation, without replacing key equipment.
Claims (10)
1. a kind of for pumping out the pumping installations 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 include servo-actuated pipeline, fixed pipeline and pumping installations；It is characterized in that：The pumping installations
Including main pumping installations and several relay pumping devices；The main pumping installations is connected to the servo-actuated pipeline and shield machine
Between screw conveyor, the relay pumping device is connected in the fixed pipeline；It the main pumping installations and described connects
Power pumping installations includes the native case of buffering and delivery pump；Dregs entrance, the buffering are provided at the top of the native case of buffering
The bottom of native case is connected with the delivery pump；Soil pressure meter is provided on the native case of buffering, the soil pressure in the native case of the buffering
During more than predetermined value, the delivery pump extracts dregs inside the native case of the buffering.
2. a kind of pumping installations for being used to pump out soil series system according to claim 1, it is characterised in that：The delivery pump
Including soil box, swing pipe and two hydraulic pressure aspirators；The soil box is arranged on the bottom of the native case of the buffering, with the buffering
Native case connects and is integrally formed formula structure；The hydraulic pressure aspirator includes suction cylinder and is arranged on inside the suction cylinder
Piston；Two hydraulic pressure aspirators are disposed side by side on the side of the soil box, the end of the suction cylinder and the soil box
The opening of side wall is fixedly connected；The swing pipe is arranged on inside the soil box, the first end of the swing pipe and the delivery pump
Soil outlet connects；The second end of the swing pipe is close to the inner surface of the soil box, the soil box inside reciprocally swinging and with
The end of two suction cylinders alternately connects；Two hydraulic pressure aspirators are used to alternately extract slag from the soil box
Soil, and dregs is discharged into the delivery pump by the swing pipe.
3. a kind of pumping installations for being used to pump out soil series system according to claim 2, it is characterised in that：In the main pump
It send in device, the dregs entrance of the native case of buffering is connected with the soil outlet of the screw conveyor, and the delivery pump is unearthed
Mouth is connected with the servo-actuated pipeline.
4. a kind of pumping installations for being used to pump out soil series system according to claim 2, it is characterised in that：In the relay
In pumping installations, the dregs entrance of the native case of buffering is connected with the supervisory fixed pipeline, the soil outlet of the delivery pump
It is connected with the secondary fixed pipeline.
5. a kind of pumping installations for being used to pump out soil series system according to claim 1, it is characterised in that：The servo-actuated pipe
Extend device by telescopic pipeline between road and the fixed pipeline to be attached；The fixing pipe road is in series with noise reduction dress
It puts.
6. a kind of pumping installations for being used to pump out soil series system according to claim 5, it is characterised in that：It is described telescopic
Pipeline, which extends device, includes inner sleeve and outer tube；The first end of the inner sleeve is plugged by the first end of the outer tube
In the inside of the outer tube；Sealing device and limited block are provided on the outside of the first end of the inner sleeve；The housing
The first end of pipe is equipped with the limiting plate and several directive wheels of annular, and the limiting plate is mutually adapted structure with the limited block
Into position limiting structure；The directive wheel is close to the outer surface of the inner sleeve；The second end of the inner sleeve by flange with it is described
Servo-actuated pipeline connection；The second end of the outer tube is connected by flange with the fixed pipeline.
7. a kind of pumping installations for being used to pump out soil series system according to claim 6, it is characterised in that：The inner sleeve
And steering bracket is both provided with below the outer tube, the bottom of the steering bracket is both provided with mobile stent, described
Steering bracket is connected by a vertical shaft with the mobile stent；The bottom of the mobile stent is provided with universal wheel.
8. a kind of pumping installations for being used to pump out soil series system according to claim 6, it is characterised in that：The sealing dress
It puts including sealing ring fixinig plate and several sealing rings；The sealing ring fixinig plate is circumferentially positioned at the appearance of the inner sleeve
Face, and be fixedly connected with the inner sleeve；Each sealing ring is distributed along the axial direction of the inner sleeve, and is passed through fixed link and fixed
In the side of the sealing ring fixinig plate；The inner surface of the sealing ring and the outer tube fits closely.
9. a kind of pumping installations for being used to pump out soil series system according to claim 5, it is characterised in that：The noise reduction dress
It puts including dregs conduit, separator tube, hydraulic cylinder and accumulator；The first end of the separator tube is connected to the dregs conduit
Middle part, the buffer tube interior is provided with action piston, and the second end of the separator tube is equipped with for action described in pushing tow
The hydraulic cylinder of piston；The back cavity of the hydraulic cylinder is connected by hydraulic pressure oil-piping layout with the accumulator；The accumulator bag
It includes housing and is arranged on the in vivo air bag of the shell, the housing is connected with the hydraulic pressure oil-piping layout, filling in the air bag
There are gases at high pressure.
10. a kind of pumping installations for being used to pump out soil series system according to claim 9, it is characterised in that：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 oil
Conduit is connected with safety valve, and the safety valve is connected with hydraulic oil collection device.
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| CN201810071687.6A CN108049879B (en) | 2018-01-25 | 2018-01-25 | Pumping device for pumping out soil system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810071687.6A CN108049879B (en) | 2018-01-25 | 2018-01-25 | Pumping device for pumping out soil system |
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| CN108049879A true CN108049879A (en) | 2018-05-18 |
| CN108049879B CN108049879B (en) | 2024-04-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108119158A (en) * | 2018-01-25 | 2018-06-05 | 上海力行工程技术发展有限公司 | It is a kind of to extend device for pumping out the telescopic pipeline of 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 |
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