CN108443507A - A kind of main driving sealing structure for compound earth pressure balanced shield - Google Patents
A kind of main driving sealing structure for compound earth pressure balanced shield Download PDFInfo
- Publication number
- CN108443507A CN108443507A CN201810333303.3A CN201810333303A CN108443507A CN 108443507 A CN108443507 A CN 108443507A CN 201810333303 A CN201810333303 A CN 201810333303A CN 108443507 A CN108443507 A CN 108443507A
- Authority
- CN
- China
- Prior art keywords
- ring
- external seal
- sealing
- chamber
- cutter plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 76
- 150000001875 compounds Chemical class 0.000 title claims abstract description 15
- 238000005461 lubrication Methods 0.000 claims abstract description 5
- 238000005192 partition Methods 0.000 claims abstract description 4
- 239000004519 grease Substances 0.000 claims description 18
- 238000002347 injection Methods 0.000 claims description 17
- 239000007924 injection Substances 0.000 claims description 17
- 238000001816 cooling Methods 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 7
- 239000000498 cooling water Substances 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims description 5
- 230000001050 lubricating effect Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
- F16J15/3232—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
-
- 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
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/324—Arrangements for lubrication or cooling of the sealing itself
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/44—Free-space packings
- F16J15/447—Labyrinth packings
- F16J15/4476—Labyrinth packings with radial path
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (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)
- Sealing Devices (AREA)
Abstract
The invention discloses a kind of main driving sealing structures for compound earth pressure balanced shield,Including cutter plate driver ring,External seal mounting ring and external seal fixed ring,The outer diameter of the external seal mounting ring is more than the outer diameter of cutter plate driver ring,Step is equipped in the external seal fixed ring,The miner diameter end of the external seal fixed ring inner ring is arranged in the periphery of cutter plate driver ring,And the first external seal chamber is formed between cutter plate driver ring,The first external seal chamber is connected to main bearing lubrication channel,The bigger diameter end of the external seal fixed ring inner ring is arranged in the periphery of external seal mounting ring,And the second external seal chamber is formed between external seal mounting ring,The first external seal chamber and the second external seal chamber,The first external seal chamber partition is equipped with multiple first sealing rings,The second sealing ring is installed in the second external seal chamber.The present invention can bear higher rotating speed, more meet the requirement of sealing of the bad ground to base bearing.
Description
Technical field
The invention belongs to Tunnel Engineering technical field more particularly to a kind of compound soil pressure balance type shields for shield-tunneling construction
The main driving sealing structure of structure.
Background technology
Conventional earth pressure balance shield machine is rotated by main driving band movable knife disc to realize by motor or hydraulic motor
To the cutting driving of ground.Base bearing is the core component of shield cutter driving, it is necessary to be ensured with good sealing system
Base bearing performance and used life.In the construction process, if the sealing of main driving goes wrong, main bearing lubrication will be caused oily
Leakage, more seriously dregs enters base bearing and gear-box, that will bring immeasurable loss to shield-tunneling construction.
With the development of Process of Urbanization Construction, constructing metro tunnel circuit gradually develops toward directions such as great burying, long ranges, shield
Structure need to have the ability that speedy drivage is constructed under the pressure of high water and soil, high strength stratum, and current conventional main driving sealing structure is very
Difficulty fully meets this particular/special requirement.
Invention content
The purpose of the present invention is to provide a kind of main driving sealing structure for compound earth pressure balanced shield, it can be with
Make winner's driving that there is good leakproofness, and the high pressure-bearing of shield, high-revolving requirement can be met.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of main driving sealing structure for compound earth pressure balanced shield, including it is fixedly mounted on base bearing ring gear
On cutter plate driver ring, mounted on cutter plate driver ring outer end external seal mounting ring and be fixedly mounted on main shaft bearing outer-ring
On external seal fixed ring, the outer diameter of the external seal mounting ring is more than the outer diameter of cutter plate driver ring, the external seal fixed ring
Interior to be equipped with step, the miner diameter end of the external seal fixed ring inner ring is arranged in the periphery of cutter plate driver ring, and with cutter plate driver ring
Between form the first external seal chamber, the first external seal chamber is connected to main bearing lubrication channel, and the external seal is fixed
The bigger diameter end of ring inner ring is arranged in the periphery of external seal mounting ring, and the second external seal chamber is formed between external seal mounting ring
Room, the first external seal chamber and the second external seal chamber, the first external seal chamber partition are equipped with multiple
First sealing ring is equipped with the second sealing ring in the second external seal chamber.
According to the above technical scheme, external seal grease injection channel, the external seal are offered in the external seal fixed ring
Grease injection channel is equipped with multiple subchannels, the subchannel and the first external seal chamber and the second external seal chamber.
According to the above technical scheme, it is cold to offer external seal for the interior position corresponding to the first sealing ring of the external seal fixed ring
But chamber offers the external seal cooling water injection channel being connected to the external seal cooling chamber in the external seal fixed ring.
According to the above technical scheme, first sealing ring and/or the second sealing ring are mulit-lip seal ring.
According to the above technical scheme, the outer end of the external seal fixed ring is equipped with external seal pressing plate, the external seal installation
The periphery of ring is equipped with external seal backing plate, and the outer end of the external seal mounting ring is equipped with cutterhead bracket flange, the external seal
The labyrinth channel with the narrow slit type of the second external seal chamber is formed between pressing plate, external seal backing plate and cutterhead bracket flange,
Lubricating grease is inserted in the labyrinth channel.
According to the above technical scheme, interior sealing mounting ring is installed in the cutter plate driver ring, the interior sealing mounting ring with
Interior sealing chamber is formed between cutter plate driver ring, and inner seal ring, the interior sealing mounting ring are installed in the interior sealing chamber
It is equipped with the interior sealing grease injection channel with interior sealing chamber.
According to the above technical scheme, the inner seal ring is lip-type packing.
According to the above technical scheme, first sealing ring and the second sealing ring are fixedly mounted on knife by external seal pressure ring
Dish driving ring periphery, the inner seal ring are fixedly mounted on cutter plate driver ring inner ring by interior sealing pressure ring.
The beneficial effect comprise that：The present invention is by being arranged cutter plate driver ring, external seal mounting ring and external seal
Fixed ring is z-shape by external seal chamber design, so that winner drives the pressure-resistant higher of external seal, better tightness that can meet shield
The high pressure-bearing of structure, high-revolving requirement more meet seal request of the bad ground to base bearing, and can be in identical installation space
Under, the appearance for phenomena such as increasing the distance in cutter head center region, reducing cutterhead mud lining.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing：
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is the schematic diagram of grease injection channel and cooling duct in the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of mulit-lip seal ring in the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of lip-type packing in the embodiment of the present invention.
In figure：1- cutter plate drivers ring, 2- external seals pressing plate, 3- external seals fixed ring, 4- external seals pressure ring, 5- first are sealed
Circle, 6- main shafts bearing outer-ring, 7- base bearings ring gear, 8- inner seal rings, 9- interior sealings pressure ring, 10- cutterhead brackets flange, outside 11-
Seal grease injection channel, 12- external seal cooling waters injection channel, 13- external seals cooling chamber, first of external seal chamber of 14-,
15- second external seals chamber, 16- thirds road external seal chamber, 17- interior sealings chamber, 18- interior sealing greases injection channel,
The second sealing rings of 19-, 20- external seals mounting ring, 21- external seals backing plate, 22- labyrinth channels, 23- interior sealing mounting rings.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
As shown in Figure 1, a kind of main driving sealing structure for compound earth pressure balanced shield, including it is fixedly mounted on master
Cutter plate driver ring 1 on bearing ring gear 7, the external seal mounting ring 20 mounted on 1 outer end of cutter plate driver ring and fixed installation
External seal fixed ring 3 on main shaft bearing outer-ring 6, the outer diameter of external seal mounting ring 20 is more than the outer diameter of cutter plate driver ring 1, outer close
It seals and is equipped with step in fixed ring 3, the miner diameter end of 3 inner ring of external seal fixed ring is arranged in the periphery of cutter plate driver ring 1, and and cutterhead
The first external seal chamber (including second external seal chamber 15 and third road external seal chamber 16) is formed between drive ring 1, the
One external seal chamber is connected to main bearing lubrication channel, and the bigger diameter end of 3 inner ring of external seal fixed ring is arranged in external seal mounting ring
20 periphery, and the second external seal chamber (including first of external seal chamber 14) is formed between external seal mounting ring 20, the
One external seal chamber and the second external seal chamber, the first external seal chamber partition are equipped with multiple first sealing rings 5, the
Second sealing ring 19 is installed in two external seal chambers.
In a preferred embodiment of the invention, as shown in Fig. 2, offering the injection of external seal grease in external seal fixed ring 3
Channel 11, external seal grease injection channel 11 are equipped with multiple subchannels (unmarked in figure), subchannel and the first external seal chamber
Room and the second external seal chamber, by injecting seal protection of the grease realization to shield base bearing.
In a preferred embodiment of the invention, as shown in Fig. 2, corresponding to the position of the first sealing ring 5 in external seal fixed ring 3
It sets and offers external seal cooling chamber 13, the external seal cooling being connected to external seal cooling chamber 13 is offered in external seal fixed ring 3
Water injection channel 12 injects cooling water by external seal cooling water injection channel, the cooling of the first sealing ring may be implemented, effectively
Control external seal rubs the Wen Sheng brought when rotating at high speed, reduces sealing wear, improves sealing service life, realizes that cutterhead is held
Continuous high rotating speed operation, driving speed can be greatly improved in ground consisting of hard rock.
In a preferred embodiment of the invention, as shown in figure 3, the first sealing ring 5 and/or the second sealing ring 19 are that more lips are close
Seal.
In a preferred embodiment of the invention, as shown in Figure 1 and Figure 2, the outer end of external seal fixed ring 3 is equipped with external seal
The periphery of pressing plate 2, external seal mounting ring 20 is equipped with external seal backing plate 21, and the outer end of external seal mounting ring 20 is equipped with cutterhead ox
Leg position orchid 10 is formed and the second external seal chamber between external seal pressing plate 2, external seal backing plate 21 and cutterhead bracket flange 10
Narrow slit type labyrinth channel 22, lubricating grease is inserted in labyrinth channel 22, labyrinth channel is the tortuous passageway of gap very little, can be increased
Add sealing effect.HBW fat can be inserted in this labyrinth channel when soft soil layer is constructed so that highly viscous HBW greases fill
Full entire labyrinth channel, and keep continuous and overflow, the muddy water dregs in the native storehouse of sealing effect isolation can be increased；It is applied under hard rock
Working hour inserts EP2 lubricant greases into labyrinth channel, can reduce construction cost.
In a preferred embodiment of the invention, interior as shown in Fig. 2, being equipped with interior sealing mounting ring 23 in cutter plate driver ring 1
It seals and forms interior sealing chamber 17 between mounting ring 23 and cutter plate driver ring 1, inner seal ring 8 is installed in interior sealing chamber 17,
Interior sealing mounting ring 23 is equipped with the interior sealing grease injection channel 18 being connected to interior sealing chamber 17, is realized by injecting grease
Seal protection to shield base bearing.While external seal and interior sealing are used, and structure novel, high pressure, suitable for high hydraulic pressure
Layer driving.
In a preferred embodiment of the invention, as shown in figure 4, inner seal ring 8 is lip-type packing.
In a preferred embodiment of the invention, as shown in Figure 1, the first sealing ring 5 and the second sealing ring 19 are by outer close
Envelope pressure ring 4 is fixedly mounted on 1 periphery of cutter plate driver ring, and inner seal ring 8 is fixedly mounted on cutter plate driver ring by interior sealing pressure ring 9
1 inner ring.
Sealing substitutes HBW greases using cheap lubricant grease without fibrefill in the present invention, may be implemented
Preferable sealing effect reduces construction cost.On the basis of the present invention, driving assembly precision is improved, is ensureing flooded traffic
Under the premise of reduce the gap in seal grease channel, can more realize the protection to shield base bearing.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (8)
1. a kind of main driving sealing structure for compound earth pressure balanced shield, which is characterized in that including being fixedly mounted on master
Cutter plate driver ring (1) on bearing ring gear (7), the external seal mounting ring (20) mounted on cutter plate driver ring (1) outer end
And it is fixedly mounted on the external seal fixed ring (3) on main shaft bearing outer-ring (6), the outer diameter of the external seal mounting ring (20) is more than
The outer diameter of cutter plate driver ring (1), is equipped with step in the external seal fixed ring (3), external seal fixed ring (3) inner ring it is small
Diameter end is arranged in the periphery of cutter plate driver ring (1), and the first external seal chamber is formed between cutter plate driver ring (1), and described
One external seal chamber is connected to main bearing lubrication channel, and the bigger diameter end of external seal fixed ring (3) inner ring is arranged in external seal
The periphery of mounting ring (20), and the second external seal chamber is formed between external seal mounting ring (20), the first external seal chamber
Room and the second external seal chamber, the first external seal chamber partition are equipped with multiple first sealing rings (5), and described the
Second sealing ring (19) is installed in two external seal chambers.
2. the main driving sealing structure according to claim 1 for compound earth pressure balanced shield, which is characterized in that institute
It states and offers external seal grease injection channel (11) in external seal fixed ring (3), on external seal grease injection channel (11)
Equipped with multiple subchannels, the subchannel and the first external seal chamber and the second external seal chamber.
3. the main driving sealing structure according to claim 1 for compound earth pressure balanced shield, which is characterized in that institute
It states the position in external seal fixed ring (3) corresponding to the first sealing ring (5) and offers external seal cooling chamber (13), the external seal
The external seal cooling water injection channel (12) being connected to the external seal cooling chamber (13) is offered in fixed ring (3).
4. the main driving sealing structure according to claim 1 for compound earth pressure balanced shield, which is characterized in that institute
It is mulit-lip seal ring to state the first sealing ring (5) and/or the second sealing ring (19).
5. the main driving sealing structure according to claim 1 for compound earth pressure balanced shield, which is characterized in that institute
The outer end for stating external seal fixed ring (3) is equipped with external seal pressing plate (2), and the periphery of the external seal mounting ring is equipped with external seal
Backing plate (21), the outer end of the external seal mounting ring are equipped with cutterhead bracket flange (10), the external seal pressing plate (2), outer close
The labyrinth channel with the narrow slit type of the second external seal chamber is formed between packing plate (21) and cutterhead bracket flange (10)
(22), lubricating grease is inserted in the labyrinth channel (22).
6. the main driving sealing structure according to claim 1 for compound earth pressure balanced shield, which is characterized in that institute
It states in cutter plate driver ring (1) and interior sealing mounting ring is installed, between the interior sealing mounting ring and cutter plate driver ring (1) in formation
Sealed chamber (17), is equipped with inner seal ring (8) in the interior sealing chamber (17), the interior sealing mounting ring be equipped with it is interior
The interior sealing grease injection channel (18) of sealed chamber (17) connection.
7. the main driving sealing structure according to claim 6 for compound earth pressure balanced shield, which is characterized in that institute
It is lip-type packing to state inner seal ring (8).
8. the main driving sealing structure according to claim 6 for compound earth pressure balanced shield, which is characterized in that institute
It states the first sealing ring (5) and the second sealing ring (19) is fixedly mounted on cutter plate driver ring (1) outside by external seal pressure ring (4)
Week, the inner seal ring (8) are fixedly mounted on cutter plate driver ring (1) inner ring by interior sealing pressure ring (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810333303.3A CN108443507B (en) | 2018-04-13 | 2018-04-13 | Main driving sealing structure for composite earth pressure balance type shield |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810333303.3A CN108443507B (en) | 2018-04-13 | 2018-04-13 | Main driving sealing structure for composite earth pressure balance type shield |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108443507A true CN108443507A (en) | 2018-08-24 |
| CN108443507B CN108443507B (en) | 2023-11-10 |
Family
ID=63199940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810333303.3A Active CN108443507B (en) | 2018-04-13 | 2018-04-13 | Main driving sealing structure for composite earth pressure balance type shield |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108443507B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110080786A (en) * | 2019-04-04 | 2019-08-02 | 中船重型装备有限公司 | A kind of shield machine and its guard method with end face freezing system |
| CN111322079A (en) * | 2020-02-28 | 2020-06-23 | 浙江鼎昊新能源设备股份有限公司 | Shield machine front shield with good self-lubricating effect |
| CN111947857A (en) * | 2020-09-03 | 2020-11-17 | 中船重型装备有限公司 | Shield machine main drive sealing air tightness detection method |
| CN111963185A (en) * | 2020-07-30 | 2020-11-20 | 上海隧道工程有限公司 | Cutter head driving device of hard rock dual-mode center deslagging TBM (tunnel boring machine) |
| CN113482637A (en) * | 2021-07-26 | 2021-10-08 | 中铁建大桥工程局集团第三工程有限公司 | Open type TBM sealing device and method suitable for water-rich broken stratum |
| CN115898433A (en) * | 2022-12-15 | 2023-04-04 | 盾科工程装备有限公司 | Shield constructs owner drive structure |
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| JP2001303894A (en) * | 2000-04-24 | 2001-10-31 | Kawasaki Heavy Ind Ltd | Bearing seal structure for cutter drum of shield machine |
| SE0202049D0 (en) * | 2002-07-02 | 2002-07-02 | Skf Ab | Seal arrangement |
| JP2002357080A (en) * | 2001-05-30 | 2002-12-13 | Kawasaki Heavy Ind Ltd | Sliding sealing device for shield machine |
| JP2003035093A (en) * | 2001-07-26 | 2003-02-07 | Kawasaki Heavy Ind Ltd | Shield machine |
| CN203442132U (en) * | 2013-08-31 | 2014-02-19 | 中铁隧道集团有限公司 | Outer sealing structure of main bearing of shield tunneling machine |
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| CN106907486A (en) * | 2017-03-09 | 2017-06-30 | 石家庄铁道大学 | The controllable compound sealing device and encapsulating method of sealing are driven for tunneling owner |
| CN208252764U (en) * | 2018-04-13 | 2018-12-18 | 中建三局集团有限公司 | A kind of main driving sealing structure for compound earth pressure balanced shield |
-
2018
- 2018-04-13 CN CN201810333303.3A patent/CN108443507B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001303894A (en) * | 2000-04-24 | 2001-10-31 | Kawasaki Heavy Ind Ltd | Bearing seal structure for cutter drum of shield machine |
| JP2002357080A (en) * | 2001-05-30 | 2002-12-13 | Kawasaki Heavy Ind Ltd | Sliding sealing device for shield machine |
| JP2003035093A (en) * | 2001-07-26 | 2003-02-07 | Kawasaki Heavy Ind Ltd | Shield machine |
| SE0202049D0 (en) * | 2002-07-02 | 2002-07-02 | Skf Ab | Seal arrangement |
| CN203442132U (en) * | 2013-08-31 | 2014-02-19 | 中铁隧道集团有限公司 | Outer sealing structure of main bearing of shield tunneling machine |
| JP2015209957A (en) * | 2014-04-30 | 2015-11-24 | 内山工業株式会社 | Bearing seal device |
| CN205243516U (en) * | 2015-12-25 | 2016-05-18 | 广州广隧机电设备有限公司 | Shield constructs quick -witted native sand seal structure |
| CN106907486A (en) * | 2017-03-09 | 2017-06-30 | 石家庄铁道大学 | The controllable compound sealing device and encapsulating method of sealing are driven for tunneling owner |
| CN208252764U (en) * | 2018-04-13 | 2018-12-18 | 中建三局集团有限公司 | A kind of main driving sealing structure for compound earth pressure balanced shield |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110080786A (en) * | 2019-04-04 | 2019-08-02 | 中船重型装备有限公司 | A kind of shield machine and its guard method with end face freezing system |
| CN111322079A (en) * | 2020-02-28 | 2020-06-23 | 浙江鼎昊新能源设备股份有限公司 | Shield machine front shield with good self-lubricating effect |
| CN111963185A (en) * | 2020-07-30 | 2020-11-20 | 上海隧道工程有限公司 | Cutter head driving device of hard rock dual-mode center deslagging TBM (tunnel boring machine) |
| CN111963185B (en) * | 2020-07-30 | 2022-02-01 | 上海隧道工程有限公司 | Cutter head driving device of hard rock dual-mode center deslagging TBM (tunnel boring machine) |
| CN111947857A (en) * | 2020-09-03 | 2020-11-17 | 中船重型装备有限公司 | Shield machine main drive sealing air tightness detection method |
| CN113482637A (en) * | 2021-07-26 | 2021-10-08 | 中铁建大桥工程局集团第三工程有限公司 | Open type TBM sealing device and method suitable for water-rich broken stratum |
| CN113482637B (en) * | 2021-07-26 | 2023-11-03 | 中铁建大桥工程局集团第三工程有限公司 | Open TBM sealing device and method suitable for water-rich broken stratum |
| CN115898433A (en) * | 2022-12-15 | 2023-04-04 | 盾科工程装备有限公司 | Shield constructs owner drive structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108443507B (en) | 2023-11-10 |
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