CN209354134U - A kind of double mode shield machine - Google Patents
A kind of double mode shield machine Download PDFInfo
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- CN209354134U CN209354134U CN201822071801.3U CN201822071801U CN209354134U CN 209354134 U CN209354134 U CN 209354134U CN 201822071801 U CN201822071801 U CN 201822071801U CN 209354134 U CN209354134 U CN 209354134U
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Abstract
The utility model discloses a kind of double mode shield machine, solve shield machine bad adaptability, the problems such as working efficiency is low in the prior art.The utility model includes main shield body and rear corollary apparatus, front baffle and rear bulkhead are successively arranged inside main shield body, Tu Cang is equipped between cutterhead and front baffle, air cushion storehouse is equipped between front baffle and rear bulkhead, the main intracorporal lower part of shield is equipped with screw conveyor, the front end of screw conveyor passes through front baffle and is connected with Tu Cang, and the rear end of screw conveyor is corresponding with the belt feeder being arranged on rear corollary apparatus;Dregs detection pipe, inlet pipe, discharge pipe and circulation pipe are communicated on Tu Cang, discharge pipe is located at the lower section of inlet pipe, discharge pipe is connected with inlet pipe by machine inner bypass pipe, and the front of inlet pipe is equipped with air cushion storehouse inlet pipe, and air cushion storehouse inlet pipe is connected with air cushion storehouse.The utility model is tunneled using muddy water mode and soil pressure mode, improves drivage efficiency and device applicability, market value with higher.
Description
Technical field
The utility model relates to constructing tunnel equipment technical fields, particularly relate to a kind of double mode shield machine.
Background technique
At present in constructing tunnel shield method used by the overwhelming majority be all single mode shield-tunneling construction.It selects single
Shield mode is in specific work progress, when the geological condition faced is complex and more slow there is construction speed
When slow phenomenon, great hidden danger and lag will be caused to shield construction progress.With urban rail transit in China, electric power
Tunnel, seepage tunnel are greatly developed, and the geology of Tunnel Passing becomes increasingly complex changeable, and the shield machine of single-mode is easy to appear
Driving is difficult, influences the construction period, increases engineering cost, adversely affects to all kinds of tunnel constructions.
EPB shield tunneling: drivage efficiency is high, and deslagging ability is strong, but notch pressure oscillation is big, controls the ability of ground settlement
It is relatively weak, it is excessive to be easy to appear sedimentation, while being limited to the size of bare machine, is not suitable with the deeper tunnel of buried depth.Slurry shield:
River is worn, in constructing tunnel over strait because its unique high operating pressure, face accurate pressure the advantages such as control and be widely used in.But by
Lead to cutterhead knot mud often occur in cohesive soil stratum, a large amount of rubble stratum tunneling construction in its structural shape and working principle
Phenomena such as cake, muddy water storehouse and air cushion storehouse dregs stagnant row, lead to that driving speed is low, construction efficiency is low, seriously affects muddy water
The normal work of shield.In addition, conventional double mode shield machine face pressure controling precision under muddy water mode is low, fluctuation
Greatly, it is easy to bring biggish construction risk.
Application No. is 201220602041.4, patent name be " double mode shield machine " although utility model can also be into
Row soil pressure and the switching of slurry shield both of which, but do not have detection function in mud cyclic process, and under muddy water mode
Only by changing into/plasma discharge flow come pressure adjusting, the control precision of pressure is low, and driving and transition effect are bad.
Application No. is 201510261706.8, patent name is in the patent application of " double mode shield machine " by connection
Tu Cang and air cushion storehouse carry out soil pressure and the switching of slurry shield both of which and pressure is adjusted, but its plasma discharge and mud loop structure
Complexity, does not have detection function, and poor reliability need to be further improved.
Utility model content
For the deficiency in above-mentioned background technique, the utility model proposes a kind of double mode shield machines, solve existing skill
Shield machine adaptability and poor reliability in art, the problems such as working efficiency is low.
The technical solution of the utility model is achieved in that a kind of double mode shield machine, including main shield body and rear mating
Mud circulating system, dreg removing system and control system, mud circulating system, row are equipped in device, main shield body and rear corollary apparatus
Slag system is connected to the control system, and Tu Cang and air cushion storehouse is equipped in the main shield body, mud circulating system includes on Tu Cang
Dregs detection pipe, inlet pipe, discharge pipe and the circulation pipe of connection, discharge pipe are located at the lower section of inlet pipe, discharge pipe and inlet pipe
It is connected by machine inner bypass pipe, the front of inlet pipe is equipped with air cushion storehouse inlet pipe, and air cushion storehouse inlet pipe is connected with air cushion storehouse,
Top communicating pipe and middle part communicating pipe are equipped in air cushion storehouse, air cushion storehouse passes through top communicating pipe, middle part communicating pipe and Tu Cang respectively
It is connected, middle part communicating pipe is connected by bringing down stocks pipe with discharge pipe, and circulation pipe is connected with discharge pipe.
The front end of main shield body is equipped with cutterhead, is successively arranged front baffle and rear bulkhead inside main shield body, cutterhead and front baffle it
Between be equipped with Tu Cang, between front baffle and rear bulkhead be equipped with air cushion storehouse, dreg removing system include be arranged in the intracorporal helical feed of main shield
Machine, the front end of screw conveyor pass through front baffle and are connected with Tu Cang, and the rear end of screw conveyor and setting are in rear corollary apparatus
On belt feeder it is corresponding;
Corollary apparatus is equipped with the outer bypass pipe of machine and inverse flushing pipe after described, the outer bypass pipe of machine respectively with inlet pipe, plasma discharge
Pipe is connected, and inverse flushing pipe is connected with inlet pipe, discharge pipe respectively, and between inlet pipe and inverse flushing pipe and discharge pipe is inverse rinses
Valve is equipped between pipe.
The circulation pipe is equipped with circulating pump and valve.
The front end of the inlet pipe is equipped with native storehouse inlet pipe, and native storehouse inlet pipe is connected with Tu Cang, and native storehouse inlet pipe is gentle
Valve is equipped on pad storehouse inlet pipe.
Top communicating pipe and two middle part communicating pipes, top communicating pipe and middle part communicating pipe there are two being set in the air cushion storehouse
On be equipped with valve, be connected with pipe of bringing down stocks middle part communicating pipe, pipe of bringing down stocks be equipped with valve.
The bottom parallel connection of the discharge pipe be equipped with main thick liquid discharge mouth and auxiliary thick liquid discharge mouth, main thick liquid discharge mouth and assist thick liquid discharge mouth with
Tu Cang is connected, and is equipped with valve in main thick liquid discharge mouth and auxiliary thick liquid discharge mouth.
Valve is equipped in the machine inner bypass pipe and dregs detection pipe.
The utility model, on the one hand by the native direct plasma discharge in orlop portion, is avoided when being tunneled using muddy water mode
Gas cushion type mud water shield improves deslagging efficiency from the stagnant row of muddy water storehouse plasma discharge bring, stifled storehouse problem.On the other hand there have again to be special
Structure designs small air cushion storehouse, stablizes mud pressure using the compressed air on air cushion storehouse top.Utilize top communicating pipe and middle part
Stable air cushion pressure is transmitted to Tu Cang by communicating pipe, is improved native storehouse pressure stabilizing ability, is avoided straight-line slurry shield pressure wave
Move big problem.When being tunneled in the stratum such as rock, mud stone, it can be tunneled to improve drivage efficiency with soil pressure mode, utilize spiral shell
It revolves conveyer and ratchel is discharged, reduce cutterhead mud lining risk, improve driving speed.
Detailed description of the invention
It, below will be to attached drawing needed in embodiment description in order to illustrate more clearly of the utility model embodiment
It is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the utility model overall structure diagram.
Fig. 2 is the utility model muddy water mode operation principle schematic diagram.
Fig. 3 is the utility model soil pressure mode operation principle schematic diagram.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are under that premise of not paying creative labor
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1, embodiment 1, a kind of double mode shield machine, including main shield body and rear corollary apparatus 9, main shield body is with after
Be equipped with mud circulating system, dreg removing system and control system in corollary apparatus 9, mud circulating system, dreg removing system with control
System is connected.The front end of main shield body is equipped with cutterhead 1, front baffle 3 and rear bulkhead 5 is successively arranged inside main shield body, cutterhead 1 is with before
It is equipped with native storehouse 2 between partition 3, air cushion storehouse 4 is equipped between front baffle 3 and rear bulkhead 5, native position in storehouse is in the front in air cushion storehouse.Deslagging
System includes the screw conveyor 7 of lower part in main shield body, and the front end of screw conveyor 7 passes through front baffle 3 and is connected with native storehouse 2,
The rear end of screw conveyor 7 is corresponding with the belt feeder 8 being arranged on rear corollary apparatus 9, and screw conveyor is used for will be in native storehouse
Dregs discharge, belt feeder be used for conveyor screw conveyer discharge dregs.Mud circulating system includes the coconnected slag in native storehouse 2
Native detection pipe 22, inlet pipe 10, discharge pipe 11 and circulation pipe 23, valve 24 is equipped in dregs detection pipe 22, and valve 24 uses
Automatic valve;Under muddy water mode, in use, opening valve, the slurries in native storehouse are flowed out through dregs detection pipe, for detecting soil
Operating condition in storehouse.The circulation pipe 23 is equipped with circulating pump 19 and valve 24, and valve 24 uses automatic valve, and discharge pipe 11 is located at
The lower section of inlet pipe 10 is also equipped with current divider box on discharge pipe, reflux pump is connected on current divider box, reflux pump starches part plasma discharge
Liquid is returned in Tu Cang or air cushion storehouse.Discharge pipe 11 is connected with inlet pipe 10 by machine inner bypass pipe 18, other in the machine
Siphunculus 18 is equipped with valve, when muddy water state, completes headwork, and by valve opening, inlet pipe is formed with discharge pipe and is connected to,
For dregs in flushing pipe, accumulated slag phenomenon is prevented.The front of inlet pipe 10 is equipped with air cushion storehouse inlet pipe 16, and air cushion storehouse is into slurry
Pipe 16 is connected with air cushion storehouse 4, if being divided into dry ground storehouse inlet pipe and air cushion storehouse inlet pipe in host into slurry system inlet pipe line,
Native storehouse inlet pipe is connected to Tu Cang, and air cushion storehouse inlet pipe is connected respectively at left and right sides of air cushion storehouse.Connect in air cushion storehouse 4 equipped with top
Siphunculus 17 and middle part communicating pipe 13, air cushion storehouse 4 are connected by top communicating pipe 17, middle part communicating pipe 13 with native storehouse 2 respectively, in
Portion's communicating pipe 13 is connected by bringing down stocks pipe 14 with discharge pipe 11, and circulation pipe 23 is connected with discharge pipe 11.Tu Cang and air cushion storehouse
Between front baffle two sides be equipped with top communicating pipe, upper outlet connect Tu Cang, lower part outlet connect air cushion storehouse, top connection
Autocontrol valve and anti-block apparatus are installed on pipe.Air cushion storehouse rear bulkhead two sides are also equipped with middle part communicating pipe, middle part connection
Pipe one end is connected to Tu Cang through front baffle and rear bulkhead, and one end is connected to air cushion storehouse, automatic control is equipped on the communicating pipe of middle part
Valve and anti-block apparatus processed, wherein automatic valve is located at the rear portion of rear bulkhead.
Further, the rear corollary apparatus 9 is equipped with the outer bypass pipe 20 of machine and inverse flushing pipe 21, the outer difference of bypass pipe 20 of machine
Be connected with inlet pipe 10, discharge pipe 11, inverse flushing pipe 21 is connected with inlet pipe 10, discharge pipe 11 respectively, inlet pipe 10 with
Between inverse flushing pipe 21 and discharge pipe 11 is against being equipped with valve 24 between flushing pipe 21.For to Tu Cang, inlet pipe and discharge pipe
It is rinsed.The front end of the inlet pipe 10 is equipped with native storehouse inlet pipe 15, and native storehouse inlet pipe 15 is connected with soil storehouse 2, Tu Cang into
Valve 24 is equipped on slurry pipe 15 and air cushion storehouse inlet pipe 16.
As shown in Fig. 2, muddy water mode, its working principles are as follows: being full of mud in native storehouse 2, top half is in air cushion storehouse 4
Compressed air, lower half portion are mud, and the automatic valve on top communicating pipe 17, middle part communicating pipe 13 is opened, by native 2 He of storehouse
Air cushion storehouse 4 is connected to.When driving, the mud on ground is transported to by inlet pipe 10 and native storehouse inlet pipe 15, air cushion storehouse inlet pipe 16
In native storehouse 2 and air cushion storehouse 4, the compressed air on air cushion storehouse top is applied on the mud in storehouse, and by top communicating pipe 17, in
Portion's communicating pipe 13 transfers the pressure to Tu Cang, and to maintain the stabilization of support pressure, the mud and cutterhead 1 for being transported to native storehouse 2 rotate
Over dregs mixing after ground be delivered to by discharge pipe 11 handled.
As shown in figure 3, soil pressure mode, its working principles are as follows: closing top communicating pipe 17, middle part communicating pipe 13, cutterhead 1
The screw conveyor 7 that the dregs of excavation passes through native 2 bottom of storehouse rotation drains on rear mating 9 belt feeder 8, and belt feeder 8 is by dregs
It is delivered to equipment tail portion, ground is transported to by other equipment and is handled.
Embodiment 2, a kind of double mode shield machine set that there are two top communicating pipes 17 and two middle parts in the air cushion storehouse 4
Be equipped with valve 24 on communicating pipe 13, top communicating pipe 17 and middle part communicating pipe 13, middle part communicating pipe is threeway, respectively with soil
Storehouse, air cushion storehouse are connected with pipe of bringing down stocks, the pipeline section being connected with Tu Cang be equipped with valve, middle part communicating pipe 13 with 14 phase of pipe of bringing down stocks
Connection, pipe 14 of bringing down stocks are equipped with valve 24.Middle part communicating pipe 13 is used cooperatively with pipe 14 of bringing down stocks, for adjusting Tu Cang, air cushion storehouse
Pressure, meanwhile, it can be used for rinsing air cushion storehouse, slurry be discharged through discharge pipe.
Further, the bottom parallel connection of the discharge pipe 11 is equipped with main thick liquid discharge mouth 12 and auxiliary thick liquid discharge mouth 6, main 12 He of thick liquid discharge mouth
Auxiliary thick liquid discharge mouth 6 is connected with native storehouse 2, is equipped with valve 24 in main thick liquid discharge mouth 12 and auxiliary thick liquid discharge mouth 6.Main 12 He of thick liquid discharge mouth
Auxiliary thick liquid discharge mouth 6 is used cooperatively, and improves plasma discharge efficiency.
Other structures are same as Example 1.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (8)
1. being equipped in a kind of double mode shield machine, including main shield body and rear corollary apparatus (9), main shield body and rear corollary apparatus (9)
Mud circulating system, dreg removing system and control system, mud circulating system, dreg removing system are connected to the control system, special
Sign is: being equipped with Tu Cang (2) and air cushion storehouse (4) in the main shield body, mud circulating system includes Tu Cang (2) coconnected dregs
Detection pipe (22), inlet pipe (10), discharge pipe (11) and circulation pipe (23), discharge pipe (11) are located at the lower section of inlet pipe (10),
Discharge pipe (11) is connected with inlet pipe (10) by machine inner bypass pipe (18), and the front of inlet pipe (10) is equipped with air cushion storehouse into slurry
It manages (16), air cushion storehouse inlet pipe (16) is connected with air cushion storehouse (4), and top communicating pipe (17) and middle part are equipped in air cushion storehouse (4)
Communicating pipe (13), air cushion storehouse (4) pass through top communicating pipe (17) respectively, are connected with Tu Cang (2) middle part communicating pipe (13), middle part
Communicating pipe (13) is connected by pipe of bringing down stocks (14) with discharge pipe (11), and circulation pipe (23) is connected with discharge pipe (11).
2. double mode shield machine according to claim 1, it is characterised in that: the front end of the main shield body is equipped with cutterhead (1),
Front baffle (3) and rear bulkhead (5) are successively arranged inside main shield body, between cutterhead (1) and front baffle (3) be equipped with Tu Cang (2), it is preceding every
Air cushion storehouse (4) are equipped between plate (3) and rear bulkhead (5), dreg removing system includes being arranged in the intracorporal screw conveyor of main shield (7),
The front end of screw conveyor (7) passes through front baffle (3) and is connected with Tu Cang (2), and the rear end of screw conveyor (7) is with setting rear
Belt feeder (8) on corollary apparatus (9) is corresponding.
3. double mode shield machine according to claim 1 or 2, it is characterised in that: corollary apparatus (9) is equipped with machine after described
Outer bypass pipe (20) and inverse flushing pipe (21), the outer bypass pipe (20) of machine is connected with inlet pipe (10), discharge pipe (11) respectively, inverse
Flushing pipe (21) is connected with inlet pipe (10), discharge pipe (11) respectively, between inlet pipe (10) and inverse flushing pipe (21) and arranges
Slurry pipe (11) is equipped with valve (24) between inverse flushing pipe (21).
4. double mode shield machine according to claim 3, it is characterised in that: the circulation pipe (23) is equipped with circulating pump
(19) and valve (24).
5. double mode shield machine according to claim 1 or 4, it is characterised in that: the front end of the inlet pipe (10) is equipped with
Native storehouse inlet pipe (15), native storehouse inlet pipe (15) are connected with Tu Cang (2), native storehouse inlet pipe (15) and air cushion storehouse inlet pipe (16)
On be equipped with valve (24).
6. double mode shield machine according to claim 5, it is characterised in that: top there are two being set in the air cushion storehouse (4)
Communicating pipe (17) and two middle parts communicating pipe (13), are equipped with valve on top communicating pipe (17) and middle part communicating pipe (13)
(24), middle part communicating pipe (13) is connected with pipe of bringing down stocks (14), and pipe of bringing down stocks (14) is equipped with valve (24).
7. according to claim 1 or 6 described in any item double mode shield machines, it is characterised in that: the bottom of the discharge pipe (11)
Portion's parallel connection be equipped with main thick liquid discharge mouth (12) and auxiliary thick liquid discharge mouth (6), main thick liquid discharge mouth (12) and assist thick liquid discharge mouth (6) with Tu Cang (2)
It is connected, is equipped with valve (24) in main thick liquid discharge mouth (12) and auxiliary thick liquid discharge mouth (6).
8. double mode shield machine according to claim 7, it is characterised in that: the machine inner bypass pipe (18) and dregs detection
Valve (24) are equipped on pipe (22).
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CN2018213285135 | 2018-08-17 | ||
CN201821328513 | 2018-08-17 |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110500108A (en) * | 2019-09-24 | 2019-11-26 | 中国电建集团铁路建设有限公司 | A kind of novel balancing earth-pressure shielding machine and working method |
CN110905521A (en) * | 2019-12-05 | 2020-03-24 | 中国铁建重工集团股份有限公司 | Slurry scouring circulation slag discharging system for vertical shaft tunneling machine |
CN111608673A (en) * | 2020-05-15 | 2020-09-01 | 上海隧道工程有限公司 | Washing system of slurry shield cutter head and construction method thereof |
CN111997631A (en) * | 2020-10-14 | 2020-11-27 | 中铁工程装备集团有限公司 | Tunnel construction method and shield tunneling machine |
CN112160760A (en) * | 2020-09-12 | 2021-01-01 | 中铁隧道局集团有限公司 | Construction method for coping with accumulated slag in large-diameter slurry shield cabin |
CN114922633A (en) * | 2022-05-25 | 2022-08-19 | 中建交通建设集团有限公司 | Soil pressure detection device for shield tunneling machine and using method thereof |
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2018
- 2018-12-11 CN CN201822071801.3U patent/CN209354134U/en active Active
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110500108A (en) * | 2019-09-24 | 2019-11-26 | 中国电建集团铁路建设有限公司 | A kind of novel balancing earth-pressure shielding machine and working method |
CN110905521A (en) * | 2019-12-05 | 2020-03-24 | 中国铁建重工集团股份有限公司 | Slurry scouring circulation slag discharging system for vertical shaft tunneling machine |
CN110905521B (en) * | 2019-12-05 | 2021-08-31 | 中国铁建重工集团股份有限公司 | Slurry scouring circulation slag discharging system for vertical shaft tunneling machine |
CN111608673A (en) * | 2020-05-15 | 2020-09-01 | 上海隧道工程有限公司 | Washing system of slurry shield cutter head and construction method thereof |
CN112160760A (en) * | 2020-09-12 | 2021-01-01 | 中铁隧道局集团有限公司 | Construction method for coping with accumulated slag in large-diameter slurry shield cabin |
CN112160760B (en) * | 2020-09-12 | 2022-07-22 | 中铁隧道局集团有限公司 | Construction method for coping with accumulated slag in large-diameter slurry shield cabin |
CN111997631A (en) * | 2020-10-14 | 2020-11-27 | 中铁工程装备集团有限公司 | Tunnel construction method and shield tunneling machine |
CN114922633A (en) * | 2022-05-25 | 2022-08-19 | 中建交通建设集团有限公司 | Soil pressure detection device for shield tunneling machine and using method thereof |
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