CN110420916A - For handling the high pressure air-liquid flusher and method of shield cutter mud cake - Google Patents
For handling the high pressure air-liquid flusher and method of shield cutter mud cake Download PDFInfo
- Publication number
- CN110420916A CN110420916A CN201910695354.5A CN201910695354A CN110420916A CN 110420916 A CN110420916 A CN 110420916A CN 201910695354 A CN201910695354 A CN 201910695354A CN 110420916 A CN110420916 A CN 110420916A
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- CN
- China
- Prior art keywords
- liquid
- tubular body
- high pressure
- mud cake
- flusher
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a kind of for handling the high pressure air-liquid flusher and method of shield cutter mud cake, device includes tubular body and connection ball valve, the first end of tubular body is equipped with water pump joint and air compressor machine connector, the second end of tubular body is equipped with nozzle, nozzle is equipped with liquid spray road and gas sprays road, and the inside of tubular body is equipped with the first pipeline of connection water pump joint and liquid spray road and the second pipeline of connection air compressor machine connector and gas spray road；Connection ball valve is reserved rinse mouth interface flange with bubble cabin shifting board and is connect, and tubular body is arranged in the cavity and rinse mouth of connection ball valve when rinsing cutterhead.The present invention utilizes the flusher and scouring media of special designing, compensate for the disadvantage that the effective spray penetration of original flusher is short, intensity is low, it is aided with gas while nozzle sprays liquid and slows down liquid jet energy attenuation, increase liquid jet spray penetration and backwash rate, effectively removes cutterhead mud cake.
Description
Technical field
The present invention relates to clay stratum Shield Construction Technique fields more particularly to a kind of for handling shield cutter mud cake
High pressure air-liquid flusher and method.
Background technique
When shield machine tunnels in the high stratum of clay particle content, taken by soil body a part under Tool in Cutting by muddy water
Band discharge shield, for a part due to the larger region for being adhered to cutterhead poor fluidity of viscosity, this part soil body is in cutterhead and excavates
Mud cake of certain scale on cutter head panel is ultimately formed under the extruding in face.The presence of mud cake can reduce the cutting energy of cutterhead
Power leads to the abnormal phenomenon such as the increase of shield machine thrust, torque increase, cutter head panel temperature rises, causes shield driving difficult, work
The adverse consequences such as phase extension.
Wang Shengyong, Li Hong, Wang Zhihua, Qiu Hua etc. are at Chinese patent application " a kind of shield cutter panel flushing system "
(201710521193.9) a kind of shield cutter panel flushing system is disclosed in, is capable of what continuous and effective acted on by a kind of
The design of cutter head panel flushing system, is projected after being pressurizeed by muddy water from rinse mouth, improves shield driving condition, improves construction effect
Rate.
Cheng Yongliang, Peng Zhengyang, Tang Chongmao, beam sea be refined etc. applied for a patent in China it is " a kind of for rinsing cutter head of shield machine
Cleaning device " a kind of method for removing shield machine mud cake is disclosed in (201610224355.8), by a kind of for rinsing
The cleaning device of cutter head of shield machine is directly rinsed cutter head panel by cleaning pipe, reaches the mud eliminated and consolidated on cutterhead
The purpose of cake.
The incrusted physical means of existing solution shield, which mainly have, to be increased muddy water circular flow, is rushed using cutterhead flusher
It washes cutterhead and personnel opens the cabin and remove mud cake etc..Muddy water circular flow is increased to be adhered to desire to make money or profit to be taken away with the muddy water quickly flowed
Dregs effect on cutterhead is very limited, if only will be unable to thoroughly remove cutterhead mud cake as single means；Existing cutterhead rinses
The backwashing manner of device mainly includes being rinsed to cutterhead and in cutter head panel setting flusher from cutterhead in above-mentioned patent
Back is rinsed two kinds to cutterhead, and flush position is relatively fixed, cannot flexibly cover to cutterhead tunneling boring, and rinse jet stream
Intensity is low, limited to the execution of existing mud cake；Personnel open the cabin remove mud cake can by cutterhead knot mud situation accurate feedback to
Construction personnel can also thoroughly remove existing mud cake, but personnel open the cabin, needs are by the new slurry of displacement, pressure maintaining test, high pressure
Staff's plus-minus, which is pressed into out, excavates cabin, inevitably takes considerable time and financial resources, and personnel excavate cabin in addition
Interior operations involving high pressure limited time causes personnel to open the cabin and removes this method inefficiency of mud cake.
Summary of the invention
The present invention provides a kind of new high pressure for being used to handle shield cutter mud cake primarily directed to the deficiencies in the prior art
Air-liquid flusher and method, this method may be implemented to remove existing mud cake, save the cost and duration, while can evade people
Security risk existing for member's operations involving high pressure.
In order to realize the above technical effect, the technical scheme adopted by the invention is as follows:
It is a kind of for handling the high pressure air-liquid flusher of shield cutter mud cake comprising tubular body and connection ball valve,
The first end of the tubular body is equipped with water pump joint and air compressor machine connector, and the second end of the tubular body is equipped with nozzle, institute
Nozzle is stated equipped with liquid spray road and gas spray road, the inside of the tubular body, which is equipped with, connects the water pump joint and the liquid
First pipeline in the road Ti Pen and the second pipeline for connecting the air compressor machine connector and gas spray road；The connection ball valve with
Bubble cabin shifting board reserves the connection of rinse mouth interface flange, and the tubular body is arranged in the connection ball valve when rinsing cutterhead
Cavity and the rinse mouth in.
In some embodiments of apparatus of the present invention, the gas spray road on the nozzle is set around liquid spray road
It sets.
In some embodiments of apparatus of the present invention, liquid spray road is the infundibulate spray road that inlet is greater than leakage fluid dram,
It is consistent that the inner wall that the gas sprays the jet path in road and the liquid sprays road moves towards line style.
In some embodiments of apparatus of the present invention, the first end port of the tubular body is closed using protective cover, described
Nozzle is set on the pipe shaft of the tubular body, and the export direction of the nozzle is parallel to cutter head panel.
In some embodiments of apparatus of the present invention, sealing ring is coated on the outside of the tubular body.
In some embodiments of apparatus of the present invention, the outside of the tubular body is equipped with rotation tug.
In some embodiments of apparatus of the present invention, the nozzle on the tubular body exceeds cutterhead when rinsing cutterhead
And height is lower than cutter.
In some embodiments of apparatus of the present invention, the water pump joint is arranged along the central axis of the pipe main body, institute
State air compressor machine connector being arranged radially along the pipe main body.
It is a kind of for handling the high pressure air-liquid purging method of shield cutter mud cake characterized by comprising
Connection ball valve flanged joint is reserved on rinse mouth interface in bubble cabin shifting board in advance；
When rinsing cutterhead, by the tubular body of high pressure air-liquid flusher as described in claim 1 from the connection
It is passed through in the cavity of ball valve, gradually stretches out the tubular body to nozzle and be higher by cutter head panel and lower than cutter；
Highly pressurised liquid and high pressure gas are each led by water pump joint on the tubular body and air compressor machine connector, it is right
Cutterhead mud cake is rinsed.
In some embodiments of the method for the present invention, the gas spray road on the nozzle is set around liquid spray road
It sets, during the rinsing process, high pressure gas forms air curtain around highly pressurised liquid.
The present invention due to the adoption of the above technical scheme, has the advantages that it compared with the existing technology
1, cutterhead is rinsed as scouring media using " gas+liquid ", largely reduces liquid jet energy
The rate of decay is measured, increases the effective spray distance and injection intensity of liquid, cutterhead mud cake is rinsed into hoe scaler panel surface；
2, entire cutter head panel can be rinsed, flush position is flexible, to cutter head panel all standing；
3, flusher nozzle stretches out cutterhead, is directly rinsed to cutterhead and mud cake contact position, improves flushing effect
Rate；
4, the use of cutterhead flusher is recycled after terminating, and ball valve is closed, when be rinsed to cutterhead next time
Ball valve is opened again, and flusher stretching is rinsed operation, if nozzle blocks, recoverable flusher is dredged,
The dredging time is short, high-efficient.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 shows according to an embodiment of the present invention for handling the high pressure air-liquid flusher of shield cutter mud cake
Exemplary cross sectional schematic diagram.
Fig. 2 shows that the exemplary installation of the connection ball valve of high pressure air-liquid flusher according to an embodiment of the present invention is shown
It is intended to.
Fig. 3 shows that high pressure air-liquid flusher according to an embodiment of the present invention is illustrated in exemplary cross sectional during rinsing
Figure.
Fig. 4 shows exemplary distribution of the high pressure air-liquid flusher according to an embodiment of the present invention on cutter head panel
Schematic diagram.
Fig. 5 shows that the axial direction of the exemplary backwashing manner of high pressure air-liquid flusher according to an embodiment of the present invention is cut
Face schematic diagram.
Fig. 6 shows that the radial direction of the exemplary backwashing manner of high pressure air-liquid flusher according to an embodiment of the present invention is cut
Face schematic diagram.
Fig. 7 shows the exemplary cross sectional schematic diagram of the nozzle of high pressure air-liquid flusher according to an embodiment of the present invention.
Mark corresponding relationship as follows in attached drawing:
1- high-pressure hydraulic pump connector；2,3- air compressor machine connector；4,5- rotation tug；6- flusher sealing ring；7- protective cover；8,
9- nozzle；10- ball valve；11- ball valve sealing ring；13- shifting board spare interface；14- shifting board；15- bubble cabin；17,19- pneumatics
Machine hose；18- high-pressure water pipe；20- cutter；21- cutterhead；22- cutterhead opening；23,36,37- rinse mouth；24- rinses region；
25- cutter head panel；26,30- fixed block；27- exhaust outlet；28- leakage fluid dram；31,35- bolt hole；34- air inlet；33- feed liquor
Mouthful.
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.
Shield machine just holds in the high stratum tunneling process of clay particle content when the dregs viscosity cut is larger
The poor region of mobility on cutterhead easily is concentrated on, finally forms mud cake on a large scale on cutterhead.The presence of mud cake can drop significantly
The stock-removing efficiency of low cutterhead causes torque, thrust abnormal phenomena such as increasing, seriously affects Shield Construction Method Used.
The present invention provides a kind of incrusted high pressure air-liquid flusher of processing shield cutter, utilizes rushing for special designing
Cleaning device and scouring media compensate for the disadvantage that the effective spray penetration of original flusher is short, intensity is low, spray liquid in nozzle
While be aided with gas and slow down liquid jet energy attenuation, increase liquid jet spray penetration and backwash rate, effectively removing knife
Disk mud cake.
The technical scheme adopted by the invention is as follows a kind of new high pressure air-liquid flusher and equipment is connected accordingly, it is first
Referring initially to Fig. 1, it is shown that according to an embodiment of the present invention for handling showing for the high pressure air-liquid flusher of shield cutter mud cake
Example property schematic cross-section, as shown, the high pressure air-liquid flusher mainly includes a tubular body, which can be
The left end of circular tube shaped, the tubular body is equipped with a high-pressure hydraulic pump connector and two air compressor machine connectors 2,3.The tubular body
Rotation tug 4,5 there are two being oppositely disposed on the outside of tube wall, and the two rotation tugs 4,5 are positioned at the position close to tubular body left end
It sets, is equivalent to swing handle, for the axis Rotational Coronary main body around tubular body.The tube wall of the tubular body is coated with
One layer of flusher sealing ring 6, can be used rubber material.The right end of the tubular body is closed by a protective cover 7, close to right end
Tubular body tube wall on be oppositely arranged there are two nozzle 8,9, open up that there are two mounting hole, two sprays on tubular body tube wall
Mouth is corresponded and is removably mounted in two mounting holes.Liquid spray road and gas spray road, pipe are provided on nozzle simultaneously
The inside of shape main body be equipped with connection high-pressure hydraulic pump connector 1 and nozzle liquid spray road the first pipeline and connection air compressor machine connector and
Orifice gas sprays second pipeline in road, and the first pipeline and the second pipeline are separated and are arranged in parallel, do not interfere with each other, each group of air compressor machine
Second pipeline is set between connector and gas spray road, two second pipelines are separated from each other and are arranged in parallel, do not interfere with each other.
Fig. 2 and Fig. 3, Fig. 2 is cooperated to show the connection ball valve of high pressure air-liquid flusher according to an embodiment of the present invention
Exemplary scheme of installation, Fig. 3 show high pressure air-liquid flusher according to an embodiment of the present invention during rinsing exemplary
Schematic cross-section.As shown, one with 13 flanged joint of shifting board spare interface and be equipped with ball valve sealing ring 11 ball valve 10
For the main connection equipment of flusher, wherein shifting board 14 is the partition in shield bubble cabin 15.
Before being rinsed to cutterhead, the high-pressure water pipe 18 of high-pressure hydraulic pump is connect with high-pressure hydraulic pump connector 1, by air compressor machine
Air compressor machine hose 17,19 is connect with air compressor machine connector 2,3, guarantees that pipeline is reliably connected with connector.Flusher is protruded into ball valve
10 to protective cover 7 by ball valve sealing ring 11, open ball valve 10, continue the flusher to protrude into ball valve 10 to nozzle 8,9 and exceed
Cutterhead 21, and it is 10cm lower than the height that cutter 20 protrudes cutterhead 21, flusher sealing ring 6 enters ball valve 10 at this time, with ball valve
10 form second waterstop sealing, as shown in Figure 3.
When being rinsed to cutterhead, cutterhead opening 22 is successively turned into three rinse mouths, 23,36,37 present position, three
A rinse mouth 23,36,37 is preferably separately positioned on the bosom of cutterhead opening and outermost when cutterhead opening rotate in place, and opens
High-pressure hydraulic pump and air compressor machine, flusher starts ejection scouring media and is rinsed to cutter head panel 25 and cutter 20, such as Fig. 4
It is shown.
When flusher is rinsed, rotation flusher rotation tug 4,5 makes 360 ° of flusher to revolve around central axis
Turn, nozzle 8,9 rotates 360 ° immediately, is rinsed to cutterhead tunneling boring, as shown in Figure 5 and Figure 6.
Present invention employs a kind of special backwashing manners as a result,.When using flusher, by flusher from ball valve
It is passed through in 10 cavitys, gradually extend out to nozzle 8,9 and be higher by cutter head panel 25 to than the low 10cm of cutter 20, mud cake is directly rushed
It washes.After the completion of flushing, then gradually flusher is recycled in shield machine.Successively rotating cutter-head 21 successively rotate opening 22
It is successively stretched out from rinse mouth 23,36,37 to 23,36,37 present position of rinse mouth, and by flusher, while using rotation tug
4,5 rotation flusher, is rinsed cutterhead tunneling boring.
It is worth noting that, the gas and liquid that spray when being rinsed to cutterhead, which will increase, excavates cabin mud hydraulic pressure, answer
Exhaust, drain in time guarantee that excavating cabin mud hydraulic pressure stablizes.
In addition, the invention further relates to a kind of special scouring medias.Nozzle arrangements are as shown in fig. 7, each nozzle
Liquid spray road and gas spray road are designed on ontology, the entrance that liquid spray road and gas spray road is all located on the inside of tubular body, liquid
The outlet in the road Ti Pen and gas spray road is respectively positioned on the outside of tubular body.The quantity that liquid sprays road is one and is located in nozzle body
Portion, the injection direction in liquid spray road are parallel to cutter head panel, and the quantity that gas sprays road is one, and gas spray road sprays road around liquid
Circularize setting.Two outsides of nozzle body are symmetrically arranged with two fixed blocks 26,30, and the bottom of fixed block 26,30 corresponds
Ground is set there are two bolt hole 31,35, and fixed block 26,30 is fixed on tubular body by the cooperation of bolt and bolt hole 31,35
Mounting hole in, so that nozzle is fixed on the tubular body of flusher.It is that inlet 33 is greater than leakage fluid dram that liquid, which sprays road,
28 infundibulate sprays road, and gas spray road circularizes the periphery that liquid spray road is arranged in, annular gas sprays the jet path and liquid in road
It is consistent that the inner wall in the road Ti Pen moves towards line style.Flusher is sprayed using high pressure air-liquid, and in course of injection, gas is in liquid
Surrounding forms air curtain and bubble, slows down the momentum decaying of liquid jet, increases the effective spray penetration of jet stream, increase to mud
The destructive power that cake rinses, removes cutterhead for mud cake.
In view of the deficiencies of the prior art, the present invention provides a kind of new high pressure air-liquids for being used to handle shield cutter mud cake
Flusher, this method may be implemented to remove existing mud cake, save the cost and duration, while can evade personnel's operations involving high pressure and deposit
Security risk, specifically, advantage has:
1, cutterhead is rinsed as scouring media using " gas+liquid ", largely reduces liquid jet energy
The rate of decay is measured, increases the effective spray distance and injection intensity of liquid, cutterhead mud cake is rinsed into hoe scaler panel surface；
2, entire cutter head panel can be rinsed, flush position is flexible, to cutter head panel all standing；
3, flusher nozzle stretches out cutterhead, is directly rinsed to cutterhead and mud cake contact position, improves flushing effect
Rate；
4, the use of cutterhead flusher is recycled after terminating, and ball valve is closed, when be rinsed to cutterhead next time
Ball valve is opened again, and flusher stretching is rinsed operation, if nozzle blocks, recoverable flusher is dredged,
The dredging time is short, high-efficient.
It should be noted that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate
The bright revealed content of book is not intended to limit the invention enforceable limit so that those skilled in the art understands and reads
Fixed condition, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size, not
It influences still fall in disclosed technology contents under the effect of present invention can be generated and the purpose that can reach and obtain
In the range of capable of covering.Meanwhile it is cited such as "upper", "lower", "left", "right", " centre " and " one " in this specification
Term is merely convenient to being illustrated for narration, rather than to limit the scope of the invention, the change of relativeness or tune
It is whole, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the present invention.
The above is only presently preferred embodiments of the present invention, not does limitation in any form to the present invention, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, in the range of not departing from technical solution of the present invention, when the technology contents using the disclosure above make a little change or repair
Decorations are the equivalent embodiment of equivalent variations, but anything that does not depart from the technical scheme of the invention content, technology according to the present invention are real
Matter any simple modification, equivalent change and modification to the above embodiments, still fall within the range of technical solution of the present invention
It is interior.
Claims (10)
1. a kind of for handling the high pressure air-liquid flusher of shield cutter mud cake, it is characterised in that: including tubular body and company
The first end of access valve, the tubular body is equipped with water pump joint and air compressor machine connector, and the second end of the tubular body is equipped with
Nozzle, the nozzle is equipped with liquid spray road and gas sprays road, and the inside of the tubular body, which is equipped with, connects the water pump joint
With first pipeline and the connection air compressor machine connector in liquid spray road and second pipeline in gas spray road；The company
Access valve is reserved rinse mouth interface flange with bubble cabin shifting board and is connect, and the tubular body is arranged in described when rinsing cutterhead
In the cavity and the rinse mouth for connecting ball valve.
2. as described in claim 1 for handling the high pressure air-liquid flusher of shield cutter mud cake, it is characterised in that: institute
The gas spray road on nozzle is stated around liquid spray road setting.
3. as claimed in claim 2 for handling the high pressure air-liquid flusher of shield cutter mud cake, it is characterised in that: institute
Stating liquid spray road is the infundibulate spray road that inlet is greater than leakage fluid dram, and the jet path and the liquid in gas spray road spray road
Inner wall to move towards line style consistent.
4. it is according to any one of claims 1 to 3 for handling the high pressure air-liquid flusher of shield cutter mud cake,
Be characterized in that: the first end port of the tubular body is closed using protective cover, and the nozzle is set to the pipe of the tubular body
With, the export direction of the nozzle is parallel to cutter head panel.
5. as described in claim 1 for handling the high pressure air-liquid flusher of shield cutter mud cake, it is characterised in that: institute
It states and is coated with sealing ring on the outside of tubular body.
6. as described in claim 1 for handling the high pressure air-liquid flusher of shield cutter mud cake, it is characterised in that: institute
The outside for stating tubular body is equipped with rotation tug.
7. as described in claim 1 for handling the high pressure air-liquid flusher of shield cutter mud cake, it is characterised in that: institute
The nozzle on tubular body is stated when rinsing cutterhead beyond cutterhead and highly lower than cutter.
8. as described in claim 1 for handling the high pressure air-liquid flusher of shield cutter mud cake, it is characterised in that: institute
The central axis that water pump joint is stated along the pipe main body is arranged, and the air compressor machine connector is set along the radial direction of the pipe main body
It sets.
9. a kind of for handling the high pressure air-liquid purging method of shield cutter mud cake characterized by comprising
Connection ball valve flanged joint is reserved on rinse mouth interface in bubble cabin shifting board in advance；
When rinsing cutterhead, by the tubular body of high pressure air-liquid flusher as described in claim 1 from the connection ball valve
Cavity in pass through, gradually stretch out the tubular body to nozzle and be higher by cutter head panel and lower than cutter；
Highly pressurised liquid and high pressure gas are each led by water pump joint on the tubular body and air compressor machine connector, to cutterhead
Mud cake is rinsed.
10. as described in claim 1 for handling the high pressure air-liquid purging method of shield cutter mud cake, it is characterised in that: institute
The gas spray road on nozzle is stated around liquid spray road setting, during the rinsing process, high pressure gas is in highly pressurised liquid week
It encloses to form air curtain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910695354.5A CN110420916B (en) | 2019-07-30 | 2019-07-30 | High-pressure gas and liquid flushing device and method for treating mud cake of shield cutter head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910695354.5A CN110420916B (en) | 2019-07-30 | 2019-07-30 | High-pressure gas and liquid flushing device and method for treating mud cake of shield cutter head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110420916A true CN110420916A (en) | 2019-11-08 |
| CN110420916B CN110420916B (en) | 2021-08-06 |
Family
ID=68411396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910695354.5A Active CN110420916B (en) | 2019-07-30 | 2019-07-30 | High-pressure gas and liquid flushing device and method for treating mud cake of shield cutter head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110420916B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112483105A (en) * | 2020-11-04 | 2021-03-12 | 中国科学院武汉岩土力学研究所 | Rock breaking method of inner and outer cutter heads TBM (Tunnel boring machine) based on pulse jet flow and point treatment |
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| US6516819B1 (en) * | 2000-03-11 | 2003-02-11 | Daniel Dean Pearson | Blind hole flushing device |
| CN204276421U (en) * | 2014-11-28 | 2015-04-22 | 中铁十八局集团第三工程有限公司 | A kind of cutter head of shield machine flusher |
| CN207989033U (en) * | 2018-03-07 | 2018-10-19 | 中铁十四局集团有限公司 | A kind of cutter head of shield machine central area flushing device |
| CN109026045A (en) * | 2018-10-15 | 2018-12-18 | 中国铁建重工集团有限公司 | A kind of slurry balance shield machine cutterhead and slurry balance shield machine |
| CN208870597U (en) * | 2018-10-17 | 2019-05-17 | 无锡中铁城轨装备有限公司 | A kind of balance shield machine cutterhead |
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2019
- 2019-07-30 CN CN201910695354.5A patent/CN110420916B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6516819B1 (en) * | 2000-03-11 | 2003-02-11 | Daniel Dean Pearson | Blind hole flushing device |
| CN204276421U (en) * | 2014-11-28 | 2015-04-22 | 中铁十八局集团第三工程有限公司 | A kind of cutter head of shield machine flusher |
| CN207989033U (en) * | 2018-03-07 | 2018-10-19 | 中铁十四局集团有限公司 | A kind of cutter head of shield machine central area flushing device |
| CN109026045A (en) * | 2018-10-15 | 2018-12-18 | 中国铁建重工集团有限公司 | A kind of slurry balance shield machine cutterhead and slurry balance shield machine |
| CN208870597U (en) * | 2018-10-17 | 2019-05-17 | 无锡中铁城轨装备有限公司 | A kind of balance shield machine cutterhead |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112483105A (en) * | 2020-11-04 | 2021-03-12 | 中国科学院武汉岩土力学研究所 | Rock breaking method of inner and outer cutter heads TBM (Tunnel boring machine) based on pulse jet flow and point treatment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110420916B (en) | 2021-08-06 |
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