CN106352092B - The shield owner of fast changeable drives sealing structure - Google Patents
The shield owner of fast changeable drives sealing structure Download PDFInfo
- Publication number
- CN106352092B CN106352092B CN201610933360.6A CN201610933360A CN106352092B CN 106352092 B CN106352092 B CN 106352092B CN 201610933360 A CN201610933360 A CN 201610933360A CN 106352092 B CN106352092 B CN 106352092B
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- China
- Prior art keywords
- plate
- sealing
- fixed
- annular
- seal
- 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.)
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 94
- 238000012856 packing Methods 0.000 claims abstract description 31
- 238000003466 welding Methods 0.000 claims abstract description 27
- 150000001875 compounds Chemical class 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 6
- 230000001681 protective effect Effects 0.000 abstract description 3
- 230000009466 transformation Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 3
- 239000004519 grease Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002689 soil 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
- F16J15/3268—Mounting of sealing rings
-
- 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
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
-
- 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
- F16J15/3268—Mounting of sealing rings
- F16J15/3276—Mounting of sealing rings with additional static sealing between the sealing, or its casing or support, and the surface on which it is mounted
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)
Abstract
The invention discloses a kind of shield owner of fast changeable to drive sealing structure, including welding bottom plate, seal wear-resistant plate, sealing fixed plate, lip packing, inner seal pressing plate, outer side seal pressing plate and it is tightly connected plate, the inner face of welding bottom plate is fixed on the outer face of cutterhead flange, the inner face of seal wear-resistant plate is fixed on the outer face of main driver framework, and the both ends of lip packing are fixed on the inner face of sealing fixed plate by medial and lateral sealing clamp respectively；The medial surface engaging of sealing fixed plate is positioned on the lateral surface of welding bottom plate, and the shield owner driving sealing structure of the fast changeable is simple, and cost input is few；Installation, dismounting and replacing are very convenient, greatly shorten maintenance time and maintenance cost, improve maintenance efficiency and convenience；It can be installed additional on the basis of the former main driving structure of shield machine, play the protective effect to former sealing system, and the transformation and upgrade of equipment with quick-replaceable, can be easy to after damage, it is cost-effective.
Description
Technical field
The present invention relates to shield machine technical field, the shield owner driving for particularly relating to a kind of fast changeable is close
Seal structure.
Background technology
The main driving sealing structure that Shield Machine uses at present is mainly radial seal, i.e., using radial lip seal,
And the cavity injection seal grease among twice lip packing, because the structure of sealing only allows grease outwards to flow, so as to
Reach sealing purpose.
But such seal can be only installed at the inside of main driving, once due to some factors (such as oil in work progress
Fat injection rate is inadequate) cause dregs to enter annular seal space, it will result in lip packing damage, seal failure.Once seal
Failure, then sealing must be changed, if not the foreign matter such as dregs will enter the base bearing and driving cog of main driving
Position is taken turns, causes the infringement of critical component, is lost bigger.The way of conventional replacing sealing is：1. the front soil body is added
Work；2. main driving is removed and disintegrated in device interior, installed back again after changing sealing.Such a method is long in time limit, in equipment
Portion space is limited, and it is big to remove and install difficulty, and cost input is high.
The content of the invention
In order to overcome drawbacks described above, the invention provides a kind of shield owner of fast changeable to drive sealing structure, knot
Structure is simple, installs and changes and be convenient, fast.
The present invention in order to solve its technical problem used by technical scheme be：A kind of shield owner of fast changeable drives
Movable sealing structure, including main driver framework and the cutterhead flange for fixing cutter head of shield machine, interior be provided with of the main driver framework are used
It is interior with the cutterhead flange in the main driving mechanism for driving the cutter head of shield machine rotation, the outer face of the main driver framework
Stop-leak compound outlet is formed between end face, stop-leak compound outlet outside is provided with the sealing structure of annular, it is characterised in that：The sealing
Structure includes the welding bottom plate of annular, the seal wear-resistant plate of annular, the sealing fixed plate of annular, the lip packing of annular, annular
Inner seal pressing plate, annular outer side seal pressing plate and annular sealed connection plate, it is described welding bottom plate inner face fix
In on the outer face of the cutterhead flange, the inner face of the seal wear-resistant plate is fixed on the outer face of the main driver framework
On, the both ends of the lip packing are removably fixed in the sealing admittedly by inner seal pressing plate and outer side seal pressing plate respectively
On the inner face of fixed board；The medial surface engaging of the sealing fixed plate is positioned on the lateral surface of the welding bottom plate, the lip
Shape is sealed the clearance seal between the inner face of the sealing fixed plate and the outer face of the seal wear-resistant plate；The sealing
The inner face of connecting plate bears against the welding bottom plate and seals the outer face of fixed plate, and is respectively mounted by engaging bolts removable
Unload and be fixedly connected.
As a further improvement on the present invention, the inner seal pressing plate and outer side seal pressing plate pass through fixing screws respectively
It is removably fixed in the sealing fixed plate, and the both ends of the lip packing is pressed respectively and are fixed on the sealing fixation
On the inner face of plate.
As a further improvement on the present invention, set between the medial surface of the sealing fixed plate and the lateral surface for welding bottom plate
There is sealing strip.
As a further improvement on the present invention, set on the inner face of the sealing fixed plate on the outside of the lip packing
There is the protection board for preventing external foreign matter from entering the lip packing.
As a further improvement on the present invention, the annular welding bottom plate, seal wear-resistant plate, sealing fixed plate, inner side
Sealing clamp, outer side seal pressing plate and sealed connection plate can be spliced to form as split.
The beneficial effects of the invention are as follows：The shield owner driving sealing structure of the fast changeable is simple, and cost input is few；
Installation, dismounting and replacing are very convenient, greatly shorten maintenance time and maintenance cost, improve maintenance efficiency and convenience；Can be
Installed additional on the basis of the former main driving structure of shield machine, play the protective effect to former sealing system, and after damage
The transformation and upgrade of equipment with quick-replaceable, can be easy to, it is cost-effective.
Brief description of the drawings
Fig. 1 is schematic view of the mounting position of the present invention；
Fig. 2 is cross-sectional view of the present invention；
Fig. 3 is the A portions mplifying structure schematic diagram in Fig. 2.
With reference to accompanying drawing, make the following instructions：
1 --- main driver framework 2 --- cutterhead flange
3 --- stop-leak compound outlet 11 --- welding bottom plates
12 --- seal wear-resistant plates 13 --- seal fixed plate
14 --- lip packing 15 --- inner seal pressing plates
16 --- outer side seal pressing plates 17 --- are tightly connected plate
18 --- attachment screw 19 --- fixing screws
20 --- sealing strip 21 --- protection boards
100 --- sealing structure 101 --- shield owners drive
102 --- cutterhead bracket
Embodiment
Below in conjunction with accompanying drawing, a preferred embodiment to the present invention elaborates.But protection scope of the present invention is not
It is limited to following embodiments, i.e., the simple equivalence changes made in every case with scope of the present invention patent and description are with repairing
Decorations, all still belong within patent covering scope of the present invention.
It is that a kind of shield owner of fast changeable of the present invention drives the installation site of sealing structure refering to Fig. 1
Schematic diagram, the sealing structure 100 are arranged on the cutterhead flange that shield owner driving 101 is connected with cutterhead bracket 102.
It is that a kind of shield owner of fast changeable of the present invention drives sealing structure, including main drive refering to Fig. 2,3
Dynamic framework 1 and the cutterhead flange 2 for fixing cutter head of shield machine, interior be provided with of the main driver framework are used to drive the shield machine knife
Stop-leak compound is formed between the inner face of the main driving mechanism of disc spins, the outer face of the main driver framework and the cutterhead flange
Outlet 3, stop-leak compound outlet outside are provided with the sealing structure of annular.The sealing structure includes the welding bottom plate 11 of annular, ring
The seal wear-resistant plate 12 of shape, the sealing fixed plate 13 of annular, the lip packing 14 of annular, the inner seal pressing plate 15 of annular, ring
The outer side seal pressing plate 16 of shape and the sealed connection plate 17 of annular, the inner face of the welding bottom plate are fixed on the cutterhead flange
Outer face on, the inner face of the seal wear-resistant plate is fixed on the outer face of the main driver framework, the lip packing
Both ends respectively by inner seal pressing plate and outer side seal pressing plate be removably fixed in it is described sealing fixed plate inner face on；
The medial surface engaging of the sealing fixed plate is positioned on the lateral surface of the welding bottom plate, and the lip packing is by the sealing
Clearance seal between the outer face of the inner face of fixed plate and the seal wear-resistant plate；The inner face for being tightly connected plate point
Not against the welding bottom plate and the outer face of sealing fixed plate, and it is respectively mounted by engaging bolts 18 and is detachably fixed connection.
Wherein, the inner seal pressing plate and outer side seal pressing plate are removably fixed in described by fixing screws 19 respectively
Seal in fixed plate, and the both ends of the lip packing are pressed respectively and are fixed on the inner face of the sealing fixed plate；Institute
State and be provided with sealing strip 20 between the medial surface of sealing fixed plate and the lateral surface of welding bottom plate；The inner face of the sealing fixed plate
It is upper that the protection board 21 for preventing external foreign matter from entering the lip packing is provided with the outside of the lip packing；The weldering of annular
Connect bottom plate 11, seal wear-resistant plate 12, sealing fixed plate 13, inner seal pressing plate 15, outer side seal pressing plate 16 and be tightly connected plate
17 be that split is spliced to form.
The shield owner of the fast changeable drives the installation site of sealing structure, refering to Fig. 2, can be arranged on traditional master
Front end is driven, does not change the architectural feature of former main driving, can very easily be changed in construction, below with regard to the present invention's
Case, replacing etc. are described in detail.
When mounted, first, the inner face for welding bottom plate 11 is welded on the outer face of cutterhead flange 2 by the present invention, close
Envelope wearing plate 12 is welded on the outer face of main driver framework 1；Then, the both ends by lip packing 14 pass through inner seal respectively
Pressing plate 15 and outer side seal pressing plate 16 are pressed together on the inner face of sealing fixed plate 13, and pressure is fixed in inner seal pressing plate 15, outside
Plate 16 is removably fixed in sealing fixed plate 13 by fixing screws 19 respectively, and it is solid that lip packing so has been fixed on into sealing
Integrative-structure is formd on fixed board；Subsequently, the medial surface engaging for sealing fixed plate is positioned on the lateral surface of welding bottom plate,
In order that sealing well therebetween, places sealing strip 20 between；Subsequently, the inner face of plate 17 will be tightly connected
It is close in welding bottom plate 11 and seals respectively on the outer face of fixed plate 13, and is being tightly connected plate 17 and welding bottom plate 11, with
And be tightly connected between plate 17 and sealing fixed plate 13 and set attachment screw 18 to fix them respectively, now, lip packing 14
Just it is positioned between sealing fixed plate 13 and seal wear-resistant plate 12 and sealing is filled into the space between them；Sealing is fixed
Protection board 21 is welded with the lip packing outer fix on the inner face of plate 13, to prevent external foreign matter from entering lip
Sealing 14.So far, the installation of sealing structure is completed.
The present invention need to only take the attachment screw 18 being tightly connected on plate 17 apart, it is possible to fix sealing when changing
Plate 13 is removed, and so as to which lip packing 14 be exposed, the sealing clamp can for then removing lip packing side again is changed
Lip packing 1, after more finishing changing lip packing, sealing fixed plate 13, sealed connection plate 17 are fixed on welding bottom with attachment screw
On plate 11, sealing, which is changed, to be completed.
The present invention is in normal construction, and suffered axial force and radial load are respectively by between welding bottom plate and sealing fixed plate
Contact surface bear, screw is solely subjected to the load of very little；Weld between bottom plate and sealing fixed plate using sealing strip as quiet
Sealing, simple in construction, good sealing effect；In order to weld, detect a flaw conveniently, all necessary weld seams are towards outside；In seal grease
The outermost of export direction increases by one of protection board, can play a part of simple labyrinth seal, and prevent in work progress
Damage of the dregs of bulk to lip packing.
As can be seen here, installation of the invention and replacing are all very convenient, especially when changing, it is not necessary to all dismountings, only need to
Take apart be tightly connected plate and seal fixed plate i.e. can be achieved lip packing replacing, substantially reduce maintenance and replacing when
Between, replacing efficiency is improved, and be easy to the operation in narrow space.The present invention can be not only used for new main driving mechanism
On, it may also be used in old main driving structure, upgrading is carried out to used equipment, does not change the agent structure of original equipment, is not required to
Expense that will be very big, on the basis of original sealing system, additionally increases sealing structure of the present invention in front end, rises
To the protective effect to former sealing system, if damage, replacing gets up to be convenient to.
Claims (5)
1. the shield owner of fast changeable a kind of drives sealing structure, including main driver framework (1) and for fixing shield machine
The cutterhead flange (2) of cutterhead, the main driver framework is interior to be provided with the main driving mechanism for being used for driving the cutter head of shield machine rotation, institute
State and stop-leak compound outlet (3) is formed between the outer face of main driver framework and the inner face of the cutterhead flange, stop-leak compound outlet
Outside is provided with the sealing structure of annular, it is characterised in that：The sealing structure include annular welding bottom plate (11), annular it is close
Seal wearing plate (12), annular sealing fixed plate (13), annular lip packing (14), annular inner seal pressing plate (15),
The outer side seal pressing plate (16) of annular and the sealed connection plate (17) of annular, the inner face of the welding bottom plate are fixed on the knife
On the outer face of reel flanges, the inner face of the seal wear-resistant plate is fixed on the outer face of the main driver framework, the lip
The both ends of shape sealing are removably fixed in the sealing fixed plate by inner seal pressing plate and outer side seal pressing plate respectively
On end face；The medial surface engaging of the sealing fixed plate is positioned on the lateral surface of the welding bottom plate, and the lip packing will
Clearance seal between the inner face of the sealing fixed plate and the outer face of the seal wear-resistant plate；The sealed connection plate
Inner face bears against the welding bottom plate and seals the outer face of fixed plate, and it is detachably solid to be respectively mounted by engaging bolts (18)
Fixed connection.
2. the shield owner of fast changeable according to claim 1 drives sealing structure, it is characterised in that：The inner side
Sealing clamp and outer side seal pressing plate are removably fixed in the sealing fixed plate by fixing screws (19) respectively, and by institute
State lip packing both ends press respectively be fixed on it is described sealing fixed plate inner face on.
3. the shield owner of fast changeable according to claim 1 drives sealing structure, it is characterised in that：The sealing
Sealing strip (20) is provided between the medial surface of fixed plate and the lateral surface for welding bottom plate.
4. the shield owner of fast changeable according to claim 1 drives sealing structure, it is characterised in that：The sealing
The protection board for preventing external foreign matter from entering the lip packing is provided with the inner face of fixed plate on the outside of the lip packing
(21)。
5. the shield owner of fast changeable according to claim 1 drives sealing structure, it is characterised in that：The institute of annular
State welding bottom plate (11), seal wear-resistant plate (12), sealing fixed plate (13), inner seal pressing plate (15), outer side seal pressing plate
(16) and sealed connection plate (17) is that split is spliced to form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610933360.6A CN106352092B (en) | 2016-10-25 | 2016-10-25 | The shield owner of fast changeable drives sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610933360.6A CN106352092B (en) | 2016-10-25 | 2016-10-25 | The shield owner of fast changeable drives sealing structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106352092A CN106352092A (en) | 2017-01-25 |
| CN106352092B true CN106352092B (en) | 2017-12-29 |
Family
ID=57863699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610933360.6A Active CN106352092B (en) | 2016-10-25 | 2016-10-25 | The shield owner of fast changeable drives sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106352092B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108661654B (en) * | 2018-07-17 | 2024-04-02 | 中铁工程装备集团有限公司 | Spherical hinge sealing emergency repair device with swing function for shield machine |
| CN109184718A (en) * | 2018-11-27 | 2019-01-11 | 江苏凯宫隧道机械有限公司 | The shield owner that band compensates automatically drives sealing and main driving sealing structure |
| CN109894821B (en) * | 2019-03-26 | 2020-10-02 | 优泰科(苏州)密封技术有限公司 | Shield seal welding method |
| CN114235290A (en) * | 2021-12-16 | 2022-03-25 | 中传检测(广州)科技有限公司 | Lip-shaped sealing strip for main drive air tightness detection and detection method thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10131684A (en) * | 1996-11-05 | 1998-05-19 | Kajima Corp | Tail seal structure for shield machine |
| CN202209176U (en) * | 2012-01-04 | 2012-05-02 | 一重集团大连设计研究院有限公司 | Sealing structure for cutter head of shield excavator |
| 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 |
| 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 |
| CN205578000U (en) * | 2016-04-26 | 2016-09-14 | 济南中铁重工轨道装备有限公司 | Shield constructs owner and drives HBW grease chamber labyrinth structure |
| CN205654348U (en) * | 2016-04-29 | 2016-10-19 | 中铁工程装备集团有限公司 | High pressure main drive sealing system |
| CN206159489U (en) * | 2016-10-25 | 2017-05-10 | 江苏凯宫隧道机械有限公司 | But quick replacement's shield constructs owner drives seal structure |
-
2016
- 2016-10-25 CN CN201610933360.6A patent/CN106352092B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106352092A (en) | 2017-01-25 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Su Yanqi Inventor after: Xu Haolang Inventor after: Yao Ping Inventor after: Zhao Decheng Inventor after: Ding Shaohua Inventor before: Su Yanqi Inventor before: Xu Haolang Inventor before: Yao Pinghui Inventor before: Zhao Decheng Inventor before: Ding Shaohua |
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| CB03 | Change of inventor or designer information |