CN107830171A - A kind of multisection type dock gate sealing structure and encapsulating method - Google Patents
A kind of multisection type dock gate sealing structure and encapsulating method Download PDFInfo
- Publication number
- CN107830171A CN107830171A CN201711098151.5A CN201711098151A CN107830171A CN 107830171 A CN107830171 A CN 107830171A CN 201711098151 A CN201711098151 A CN 201711098151A CN 107830171 A CN107830171 A CN 107830171A
- Authority
- CN
- China
- Prior art keywords
- seal
- sealing
- dock
- dock gate
- movable
- 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 102
- 238000000034 method Methods 0.000 title claims description 9
- 239000004593 Epoxy Substances 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 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
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000009466 transformation Effects 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
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C1/00—Dry-docking of vessels or flying-boats
-
- 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
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/14—Sealings between relatively-stationary surfaces by means of granular or plastic material, or fluid
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Barrages (AREA)
Abstract
The present invention relates to a kind of multisection type dock gate sealing structure, it is characterised in that：It includes vertical seal part（1）, seal and pressure bearing pad（2）, sealing built-in fitting（3）, vertical seal termination fixes（4）, movable dock gate pier（5）And dock sill（6）.Vertical seal part（1）With its own lower seals（1）Connection.Seal and pressure bearing pad（2）It is fastenedly connected with movable dock gate, horizontal cross sealing, not only as seal but also has been used as pressure part.Movable dock gate pier（5）On together with seal and pressure bearing pad above（2）Dock sill is pressed in together（6）Seal and pressure bearing built-in fitting（3）On, with dock sill（6）Form sealing.Movable dock gate pier（5）Vertical seal termination fix（4）Pour epoxy sealing in inside.The multisection type dock gate sealing structure of this satisfaction requirement of the present invention, with meeting multisection type dock gate seal request, it is simple with principle, it is simple in construction, seal and pressure bearing works well, the features such as making and maintenance cost are cheap, and the creative cross sealed solved between horizontal and vertical face, new form is provided for the sealing of large-scale multistage formula dock gate.
Description
Technical field
The invention belongs to technical field of ships, and in particular to a kind of multisection type dock gate sealing structure and encapsulating method.
Background technology
Normal dock gate is all whole section, and sealing is also continuous, but with the development of shipbuilding industry, the dock of many shipyards
More and more wider, width is big, is designed according to normal whole section of traditional dock gate, construction weight oil (gas) filling device weight and fixed ballast are matched somebody with somebody
Weight, budget gross weight will be very big, and with 147 meters of calculating of prosperous good fortune dock gate, gross weight will be more than 10,005 kilotons, and manufacturing cost is very
Greatly.
Traditional super-huge overall dock gate is due to that need to block very big water pressure, and stress is very big everywhere for dock gate, to have enough
Rigidity and intensity, so volume is big, from great；Also need to be provided with permanent ballast tank, ballast tank, tide cabin, watertight sky cabin,
Many cabins such as equipment compartment, control cabinet, stable floating or the control requirement of sinking could be met, so as to which structure also seems
It is very complicated；All need a large amount of commandings and staff to coordinate during each open and close and carry out floating draining or ballast sinking in place
Operation, it is also desirable to which cooperation of the working ship with cable, dragging, pushing tow auxiliary and maritime sector, process is more, coordinates personnel and equipment
More, comparatively use cost is also very big, and operating efficiency is also low.
Due to having ballast tank, ballast pump valve pipeline and ballast control device in the large-scale dock gate of tradition, usually maintaining
Cost is also higher.
More and more wider with the width of dock gate in addition, the manufacture fit precision of sealing surface requires higher, and it is difficult to coordinate with dock sill
Degree increases, and infiltration leak probability sharply increases with the increase of seal length, always many large-scale dock gates have a leak.
As dock is more and more wider, dock gate profile weight is increasing, and structure and supporting control facility become increasingly complex,
Working service cost of upkeep more and more higher is manufactured, disadvantages mentioned above is also more and more prominent, the knockdown dock gate hung using merogenesis
These these shortcomings can be avoided.But because dock gate is divided into what multistage combined, inevitably have between each section
Gap, it is that multiple sections of dock gate can not be sealed by a traditional vertical seal face.Because combination can not be overcome in the past
The underwater sealing problem of dock gate, this large-scale dock gate design of multisection type is not always by other unit practical application.
The content of the invention
An object of the present invention is to provide a kind of multisection type dock gate sealing structure for meeting to require, meets multisection type dock gate
Seal request, there is the features such as principle is simple, and simple in construction, seal and pressure bearing works well, and making and maintenance cost are cheap, and create
The cross sealed solved between horizontal and vertical face for the property made, new form is provided for the sealing of large-scale multistage formula dock gate.
The second object of the present invention is to provide a kind of multisection type dock gate encapsulating method.
Technical scheme is used by the present invention solves the above problems：A kind of multisection type dock gate sealing structure, it includes
Vertical seal part, seal and pressure bearing pad, seal built-in fitting, seal fixed, movable dock gate pier and dock sill；Wherein：
Vertical seal part is connected with movable dock gate pier themselves bottom seal.
Seal and pressure bearing pad is fastenedly connected with movable dock gate pier, horizontal cross sealing, not only as seal but also has been used as pressure part.
It is pressed on movable dock gate pier together with seal and pressure bearing pad above on dock sill seal and pressure bearing built-in fitting, with dock sill shape
Into sealing.
The sealing fixing internal of movable dock gate pier sealing termination pours epoxy, forms good end part seal.
A kind of multisection type dock gate encapsulating method, movable dock gate pier bottom portion lateral layout is into traditional perpendicular to the one of horizontal plane
Circle sealing, but fill water-tight closure with epoxy between the top termination of seal two and movable dock gate pier structure；After positioning is fixed,
Vertical seal is close on the dock sill of dock head lower side, ensure that the watertight of itself side；Meanwhile after installation positions, water
The side of the horizontal cross seal of plain seal device is on same vertical plane with self structure and dock sill outer side seal, is formed
One vertical direction continuous seal and pressure bearing face；And vertical seal part under the gravity pressure of movable dock gate pier and water with dock sill
On sealing surface closely press, an excellent sealing is also form between horizontal plane；So movable dock gate pier side and horizontal plane
Good sealing is formd with dock sill, the movable dock gate pier of centre now can regard fixed wing wall as, side wall it is close
Front cover, it is exactly the pressure-bearing surface and sealing surface of both ends lift-away dock gate one end.
Certain spacing, the sealing of multisection type dock gate between lift-away dock gate sealing surface and movable dock gate pier sealing surface be present
Structure forms a variety of sealings between the two sealing surfaces；Vertical seal part is connected with its own lower seals；Seal and pressure bearing
Pad is fastenedly connected with movable dock gate pier, and horizontal cross seals, and not only as seal but also has been used as pressure part, on movable dock gate pier together with
Seal and pressure bearing pad above is pressed on dock sill seal and pressure bearing built-in fitting together, is formed and sealed with dock sill.Movable dock gate pier is vertically close
End-blocking head, which is stretched into dock gate pier structure, pours epoxy sealing.
By horizontal cross seal, make every section of three-stage dock gate all as a single U shape sealing, and live
The top half of dynamic dock gate pier U shape sealing is the lift-away dock gate sealing surface directly utilized again；Sealing herein with it is vertical
Sealing interacts, each other sealing surface, forms the big sealing surface of an entirety.
Compared with prior art, the beneficial effect of the application is：
The present invention meets multisection type dock gate seal request, and simple with principle, simple in construction, seal and pressure bearing works well, and makes
And maintenance cost it is cheap the features such as, and the creative cross sealed solved between horizontal and vertical face is large-scale multistage formula
Dock gate sealing provides new form.
Brief description of the drawings
Fig. 1 is three-stage dock gate structure type schematic diagram；
Fig. 2 is lift-away dock gate sealing surface schematic diagram；
Fig. 3 is movable dock gate pier sealing surface schematic diagram.
Fig. 4 is that lift-away combines dock gate sealing surface sealing schematic diagram.
Fig. 5 combines the close schematic device of dock gate for a kind of multisection type of the present invention.
Fig. 6 is the vertical seal part schematic diagram on the movable dock gate pier of the present invention.
Fig. 7 is Fig. 6 A-A sectional views.
Wherein：1- vertical seals part, 2- seal and pressure bearings pad, 3- seal built-in fitting, 4- vertical seals termination is fixed, 5- activities
Dock gate pier, 6- dock sills, 7- lift-away dock gates.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
The present invention premise be that dock gate is designed to combined multistage form, in the form of three sections exemplified by, see accompanying drawing 1.In
Between one section be movable dock gate pier 5, can fix can also hang, and can be fixed as the one end side of fixed both sides lift-away dock gate 7
Wing wall and sealing surface（As the effect of dock sill vertical with traditional dock head）；The sealing structure of lift-away dock gate 7 and tradition on both sides are general
The sealing principle of logical dock gate is consistent with structure, but the steel construction of dock gate is simple in construction, and deadweight is small, is controlled without fixed ballast and sink-float
System processed etc..The large-sized gantry of the available top of three sections of dock gates hangs and installed.
Lift-away dock gate sealing surface pattern is shown in accompanying drawing 2, the sealing of both ends lift-away dock gate and common dock gate sealing principle one
Sample.During work, lift-away small dock gate one end in both ends is pressed on the vertical dock sill of dock head wing wall under hydraulic pressure effect, and one end is in hydraulic pressure
Close on sealing surface of intermediate active dock gate pier is pressed under effect, bottom is pressed on dock head bottom sides dock sill.
Movable dock gate pier sealing surface form is shown in accompanying drawing 3, and middle movable dock gate pier needs to position under water, phase after positioning
When in the vertical dock sill of dock head side, bottom sides pressure-bearing and sealing device movable dock gate pedestal and dock head dock sill being made close
Fitting, plays normal hermetic seal, and can bear the water pressure that itself is subject to and both sides lift-away dock gate end face transmits
Pressure.
The movable bottom sides of dock gate pier 5 are designed to a circle sealing of vertical level, but seem imperfect, extend only into
At multisection type dock gate sealing structure of the present invention, the top termination of seal two and multisection type dock gate sealing structure of the present invention and movable depressed place
Water-tight closure between gate pier structure；After positioning is fixed, vertical seal is close on the dock sill of dock head bottom, ensure that itself side
The watertight in face；Meanwhile after installation positions, side and the self structure and dock sill outer side seal of vertical seal part are in same hang down
Face directly, constitute the continuous seal and pressure bearing face of a vertical direction；And vertical seal part is in the deadweight of movable dock gate pier and water
Closely pressed with the sealing surface on dock sill under pressure, an excellent sealing is also form between horizontal plane；Intermediate active now
Dock gate pier can regard fixed wing wall as, the sealing surface of side wall, be exactly both ends lift-away dock gate one end pressure-bearing bearing-surface and
Sealing surface.
The vertical seal part 1 being fixed on intermediate active dock gate pier 5 is a mostly important obturator, see accompanying drawing 6,
Fig. 7.Horizontal cross seal, intensity is big, and bearing capacity is big, it is allowed to a small amount of decrement, service life length, is rubbed between steel construction
Power is small, is adapted to do flat seal herein.It is simple in construction, can be prefabricated, and can in-site measurement finishing adaptation, it is ensured that good seal；
This seal surface carries water storage flume simultaneously（Labyrinth seal）, can preferably ensure to seal, be fastenedly connected with movable dock gate pier；With
Themselves bottom sealing strip connects；Movable dock gate pier is pressed on dock sill seal and pressure bearing built-in fitting together with seal above, with
Dock sill forms sealing, the overall pressure-bearing as side lift-away dock gate and sealing again.
Certain spacing between lift-away dock gate sealing surface and movable dock gate pier sealing surface be present, apparatus of the present invention are located at
Between the two sealing surfaces, a variety of sealings are formed, as shown in figure 5, solving the sealing problem between multistage dock gate well.Vertically
Seal 1 is connected with its own lower seals 1 by corner.Seal and pressure bearing pad 2 is fastenedly connected with movable dock gate, horizontal cross
Sealing, not only as seal but also pressure part had been used as it.On movable dock gate pier 5 dock sill 6 is pressed in together with seal and pressure bearing pad 2 above
On seal and pressure bearing built-in fitting 3, formed and sealed with dock sill 6.The sealing of movable dock gate pier sealing termination fixes 4, and epoxy is poured in inside.It is main
The obturator wanted both is used as movable dock gate pier bottom plate pressure block, again the horizontal seal face as self structure, is tied as itself
The vertical seal face of structure and lift-away dock gate.By vertical seal part, make every section of three-stage dock gate all single as one
U shape seals, and the top half of movable dock gate U shape sealing is the lift-away dock gate sealing surface directly utilized again.
Sealing herein interacts with vertical seal, each other sealing surface, forms the big sealing surface of an entirety.The present apparatus only need to be
Checked while ship undocks, overall structure is easy to maintenance and maintenance cost is cheap compared with ship caisson and flap caisson.
In addition to the implementation, it is all to use equivalent transformation or equivalent replacement present invention additionally comprises there is other embodiment
The technical scheme that mode is formed, it all should fall within the scope of the hereto appended claims.
Claims (8)
- A kind of 1. multisection type dock gate sealing structure, it is characterised in that：It includes vertical seal part（1）, seal and pressure bearing pad（2）, it is close Seal built-in fitting（3）, vertical seal termination fixes（4）, movable dock gate pier（5）And dock sill（6）；Movable dock gate pier（5）On together with upper The seal and pressure bearing pad in face（2）Dock sill is pressed in together（6）Seal built-in fitting（3）On, with dock sill（6）Formed both horizontally and vertically Sealing.
- A kind of 2. multisection type dock gate sealing structure according to claims 1, it is characterised in that：Vertical seal part（1）With Its own lower seals（1）Connection.
- A kind of 3. multisection type dock gate sealing structure according to claims 1, it is characterised in that：Seal and pressure bearing pad（2）With Movable dock gate is fastenedly connected, horizontal cross sealing, not only as seal but also has been used as pressure part.
- A kind of 4. multisection type dock gate sealing structure according to claims 1, it is characterised in that：Movable dock gate pier（5）It is close The vertical seal termination of end-blocking head is fixed（4）Pour epoxy in inside.
- A kind of 5. multisection type dock gate sealing structure according to claim 1, it is characterised in that：The vertical seal part（1） Surface carries labyrinth type water storage flume.
- A kind of 6. multisection type dock gate encapsulating method, it is characterised in that：Movable dock gate pier bottom portion is designed to a circle of vertical level Sealing, water-tight closure is filled with epoxy between the top termination of seal two and movable dock gate pier structure；After positioning is fixed, vertically Sealing is close on the dock sill of dock head lower side, ensure that the watertight of themselves bottom；Meanwhile after installation positions, it is vertical close The side of sealing is on same vertical plane with self structure and dock sill outer side seal, constitutes a continuous seal and pressure bearing Face；And vertical seal part closely presses under the gravity pressure of movable dock gate pier and water with the sealing surface on dock sill, horizontal plane it Between form a sealing；The movable dock gate pier of centre now can regard fixed wing wall sidewall sealing surface as, be both ends Lift-away dock gate one end pressure-bearing bearing-surface and sealing surface.
- A kind of 7. multisection type dock gate encapsulating method according to claim 6, it is characterised in that：Lift-away dock gate sealing surface with Certain spacing between movable dock gate pier sealing surface be present, sealing structure described in claim 1 be located at the two sealing surfaces it Between, form a variety of sealings；Vertical seal part is connected with its own lower seals；Seal and pressure bearing pad connects with the fastening of movable dock gate Connect, horizontal cross sealing, not only as seal but also as on pressure part activity dock gate pier together with seal and pressure bearing pad above It is pressed on dock sill seal and pressure bearing built-in fitting, is formed and sealed with dock sill；The vertical seal termination of movable dock gate pier sealing termination is fixed, Pour epoxy in inside.
- A kind of 8. multisection type dock gate encapsulating method according to claim 6, it is characterised in that：By vertical seal part, make Every section of three-stage dock gate is all as a single U shape sealing, and the top half of movable dock gate U shape sealing is again It is the lift-away dock gate sealing surface directly utilized；Sealing herein interacts with vertical seal, each other sealing surface, forms one Overall big sealing surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711098151.5A CN107830171B (en) | 2017-11-09 | 2017-11-09 | Multistage dock gate sealing structure and sealing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711098151.5A CN107830171B (en) | 2017-11-09 | 2017-11-09 | Multistage dock gate sealing structure and sealing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107830171A true CN107830171A (en) | 2018-03-23 |
| CN107830171B CN107830171B (en) | 2024-05-14 |
Family
ID=61654017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711098151.5A Active CN107830171B (en) | 2017-11-09 | 2017-11-09 | Multistage dock gate sealing structure and sealing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107830171B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1477503A (en) * | 1973-07-26 | 1977-06-22 | B Ludvigsson | Device for exluding water from a working site located adjacent to a body of water |
| EP1518967A1 (en) * | 2003-09-29 | 2005-03-30 | Compagnie Du Sol | Flood barrier |
| US20100269427A1 (en) * | 2008-05-29 | 2010-10-28 | Charles Digmann | Head curtains for dock shelters or dock seals |
| CN102383403A (en) * | 2011-08-24 | 2012-03-21 | 江苏科技大学 | Combined gate-type dry dock door |
| US20130167310A1 (en) * | 2012-01-03 | 2013-07-04 | William C. Eungard | Dock leveler sealing systems |
| WO2014065660A1 (en) * | 2012-10-26 | 2014-05-01 | Iv-Consult B.V. | A method of providing a seal lining for an underwater door |
| CN204078038U (en) * | 2014-09-12 | 2015-01-07 | 江苏扬子鑫福造船有限公司 | One hangs formula combination dock gate |
| CN207584010U (en) * | 2017-11-09 | 2018-07-06 | 江苏新扬子造船有限公司 | A kind of multisection type dock gate sealing structure |
-
2017
- 2017-11-09 CN CN201711098151.5A patent/CN107830171B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1477503A (en) * | 1973-07-26 | 1977-06-22 | B Ludvigsson | Device for exluding water from a working site located adjacent to a body of water |
| EP1518967A1 (en) * | 2003-09-29 | 2005-03-30 | Compagnie Du Sol | Flood barrier |
| US20100269427A1 (en) * | 2008-05-29 | 2010-10-28 | Charles Digmann | Head curtains for dock shelters or dock seals |
| CN102383403A (en) * | 2011-08-24 | 2012-03-21 | 江苏科技大学 | Combined gate-type dry dock door |
| US20130167310A1 (en) * | 2012-01-03 | 2013-07-04 | William C. Eungard | Dock leveler sealing systems |
| WO2014065660A1 (en) * | 2012-10-26 | 2014-05-01 | Iv-Consult B.V. | A method of providing a seal lining for an underwater door |
| CN204078038U (en) * | 2014-09-12 | 2015-01-07 | 江苏扬子鑫福造船有限公司 | One hangs formula combination dock gate |
| CN207584010U (en) * | 2017-11-09 | 2018-07-06 | 江苏新扬子造船有限公司 | A kind of multisection type dock gate sealing structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107830171B (en) | 2024-05-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208311653U (en) | A kind of transport under water uses pipeline configuration | |
| CN207584010U (en) | A kind of multisection type dock gate sealing structure | |
| CN201685997U (en) | Shipbuilding tooling utilizing floating dock | |
| CN205530193U (en) | Use flexible storage device's deep water floating oil gas platform under water | |
| CN107830171A (en) | A kind of multisection type dock gate sealing structure and encapsulating method | |
| CN104060585B (en) | Floating-plug bulkhead gate | |
| CN109881684B (en) | Dampproofing water facility of foundation ditch civil engineering construction | |
| CN209703554U (en) | Pipe gallery with comprehensive support | |
| CN207129098U (en) | A kind of floating dock ballast cabin structure | |
| CN206667454U (en) | Prefabricated pumping plant base and prefabricated pumping plant | |
| CN204416173U (en) | For the grooved buoyancy aid of inner floating roof | |
| CN212427252U (en) | Underground structure reinforcing system with bearing, anti-seismic and anti-floating capabilities | |
| CN213271398U (en) | Waterproof treatment structure for wall-penetrating pipeline | |
| CN209975564U (en) | Rectangular underground traffic and comprehensive pipe gallery complex system | |
| CN210658316U (en) | Underground continuous wall of ultra-deep foundation pit | |
| CN203882773U (en) | Vertical oil storage device for transformer | |
| CN209780921U (en) | Mechanism for sealing connection between steel box girder and duct piece | |
| CN201647470U (en) | Central drainage system of storage tank | |
| CN113309059A (en) | Platform for offshore marginal oil field development | |
| CN207764218U (en) | A kind of marine oil spill hierarchical monitor prior-warning device | |
| CN205387698U (en) | Use flexible storage device's shallow water oil gas platform under water | |
| CN220663469U (en) | Be used for chemical industry storage tank edge waterproof sealing device | |
| CN207030038U (en) | A kind of guide pipe for floating plate in assembled passes through device | |
| CN104452698A (en) | Dynamic water gate structure used for hydropower station | |
| CN207193268U (en) | A kind of biogas fermentation collects protection device with positive/negative-pressure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |