CN109533214A - A kind of floating platform convenient for dragging - Google Patents
A kind of floating platform convenient for dragging Download PDFInfo
- Publication number
- CN109533214A CN109533214A CN201811314930.9A CN201811314930A CN109533214A CN 109533214 A CN109533214 A CN 109533214A CN 201811314930 A CN201811314930 A CN 201811314930A CN 109533214 A CN109533214 A CN 109533214A
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- bolt
- hollow block
- floating platform
- sliding
- block
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Barrages (AREA)
Abstract
The present invention relates to a kind of floating platforms convenient for dragging, it includes scaffold, control room and the clump weight being set to below scaffold, the clump weight is set to by control room, the clump weight includes the solid slug fixed with scaffold and the hollow block fixed with solid slug, the hollow block is in below solid slug, and the inlet opening inside and outside connection hollow block is offered on hollow block side wall, the hollow block is arranged to be open along the front and rear sides of floating platform conveying direction, opening is rotatably connected to the closing door for opening and closing opening, bolt is slidably connected on the closing door, the corresponding slot offered for bolt grafting on the hollow block, when the bolt is plugged in slot, the closing door closure opening；The actuator that driving bolt is detached from slot is additionally provided on the hollow block.The present invention, which has, reduces the drag area that floating platform is contacted with water, convenient for the effect pulled to floating platform.
Description
Technical field
The present invention relates to the technical fields of aquashow bogey, flat more particularly, to a kind of floating convenient for dragging
Platform.
Background technique
It is bright and beautiful to perform the water column as carried out on the water, water curtain change, and combine a variety of performance forms of sound, light, fire, shadow
Variety show show.Bright and beautiful performance is then enterprising in floating platform using floating platform as brace foundation when progress stage is built
The laying of row water pipe, firn-jet head, lifting device, rotating device etc., and the control mode of these components is all electric control, therefore need
Control room is allocated the electricity consumption of all parts.
Existing control room is generally disposed at waterfront side, is then laid with submerged cable and carries out electric energy supply to electrical component,
But since bright and beautiful stage area is usually larger, and it is often set to the place apart from bank certain distance, therefore the paving of cable
If length then needs corresponding cable to be attached control in several hundred rice etc., and for the component of different control loops, such as
This one, it is then very big for electric energy loss caused by several cables, cause the waste of higher electric energy.
Therefore it is existing in view of the foregoing drawbacks, devising a control room is fixed below floating platform makes itself and floating platform
It is fixed on integrated floating platform；Due to consideration that be placed in it is underwater, control room need to being absolutely sealed property, lead to its heat dissipation effect not
It is good, while after electrical component damage, people needs to enter to be repaired in control room, therefore need to be larger by the setting of control room, makes its electricity
Gas element is set to spacing in control room and expands, and works convenient for subsequent maintenance, and since control room occupied area is excessive, it floats
Power is excessive, causes it to control room and is difficult to complete submerged；And floating platform is by more than half submergeds and uniform force,
Suspension that can be stable on the water, when control room can not complete submerged when, will lead to its floating platform unbalance stress, it is difficult to
It is stable it is floating in water；Therefore clump weight need to be generally added below floating platform, enhance the overall weight of floating platform, makes its control
The complete submerged in room processed, drives floating platform part sinks into water, the suspension for keeping its floating platform stable is in water.
Prior art deficiency is, when flood discharge or floating platform without using when, need floating platform being drawn to bank
While resting on the damping column on bank, prevent floating platform from washing away with flood discharge；And since floating platform is additionally arranged control room and matches
After pouring weight, floating platform submerged area is excessive, and when being pulled using ship, the resistance that floating platform is subject to is very big,
It is inconvenient and pulls work in it.
Summary of the invention
The object of the present invention is to provide a kind of floating platforms convenient for dragging.
Foregoing invention purpose of the invention has the technical scheme that
A kind of floating platform convenient for dragging, including scaffold, the control room and clump weight that are set to below scaffold, the clump weight
It is set to by control room, the clump weight includes the solid slug and the hollow block fixed with solid slug with scaffold fixation, described
Hollow block is in below solid slug, and the inlet opening inside and outside connection hollow block, the hollow block edge are offered on hollow block side wall
The front and rear sides of floating platform conveying direction are arranged to be open, and opening is rotatably connected to the closing door for opening and closing opening, institute
It states and slidably connects bolt on closing door, the corresponding slot offered for bolt grafting, the bolt grafting on the hollow block
When in slot, the closing door closure opening；The actuator that driving bolt is detached from slot is additionally provided on the hollow block.
By using above-mentioned technical proposal, clump weight is made of hollow block and solid slug, its hollow block is set to solid
Below block, when being placed in its floating platform in water, by hollow block part sinks into water, make its water from the water inlet of hollow block side wall
Hole enters in hollow block, enters its floating platform in hollow block with water, gradually submerged, make its overcome control room and
The buoyancy that hollow block generates drives the complete submerged in control room and floating platform part sinks into water, enables its floating platform
It is enough stable to suspend in water；And when it needs to pull floating platform, inserting for bolt and hollow block is released by actuator
Effect is connect, makes its closing door during floating platform moves ahead, rapidly opens opening under increased drag effect in the short time,
So that it is reduced clump weight and water engaging surface product, greatly reduce in transmission process, water gives the resistance of floating platform generation, makes its ship
More easily laborsaving, the dragging work convenient for its ship to floating platform when dragging floating platform.
The present invention is further arranged to: the actuator includes the cunning being set on hollow block along floating platform conveying direction
Bar is opened on hollow block and for the sliding slot that slide bar moves forward and backward, and the slide bar corresponds to bolt towards bolt side and is provided with cunning
Block, the corresponding displacement slot offered for sliding block sliding on the hollow block, the adjacent side of the sliding block, bolt, which is respectively arranged with, leads
To inclined-plane one, guiding surface two, it is driven during the slider displacement with bolt inclined-plane, bolt is driven to be detached from slot；The cunning
The side that bar meets water is provided with water fender.
By using above-mentioned technical proposal, when ship dragging floating platform moves ahead, water fender by the very big resistance of water flow,
It drives its water fender and slide bar to be displaced backwards, to be driven with movable slider and bolt inclined-plane, drives bolt far from slot, make it
Bolt is automatically terminated to the position-limiting action of closing door, while closing door is automatically opened its opening by resistance driving, makes its reduction
Clump weight and water generate the area of resistance, reduce it by the resistance that floating platform is subject to, convenient for the forward work of its floating platform.
The present invention is further arranged to: corresponding two bolts are provided with two groups of sliding blocks on the same slide bar, when the sliding block
By bolt pushing tow when outside slot, the side that the sliding block is in guiding surface one is abutted with displacement groove sidewall.
It, can be simultaneously when being displaced its slide bar by the way that two groups of sliding blocks are arranged on slide bar simultaneously by using above-mentioned technical proposal
The position-limiting action of two closing doors and hollow block is released, its work is convenient for.
The present invention is further arranged to: the closing door includes left-hand door, You Men, the left-hand door and You Men be located remotely from each other one
Side is rotationally connected on hollow block by shaft, and the shaft is located at one that hollow block is in Relative Floating platform conveying direction
Side, is respectively arranged with bolt on the left-hand door, the adjacent side of right door, the same sliding block simultaneously with the bolt on left-hand door, right door
It abuts.
By using above-mentioned technical proposal, closing door is made of left-hand door, right door, when making its closing door overturning opening and closing opening,
Required upturned position is reduced, convenient for the opening and closing work of its closing door；Left-hand door, right door sides adjacent are limited in hollow by bolt in turn
On block, when releasing its limit, left-hand door, You Men are more easier to be opened its opening by water resistance.
The present invention is further arranged to: two sides are provided with bolt up and down for the left-hand door, right door, and actuator is corresponding along hollow
Block is respectively arranged with one group in two sides up and down.
By using above-mentioned technical proposal, it is respectively provided with bolt by two sides above and below left-hand door, right door, enhances its left-hand door, You Men
Stability between hollow block.
The present invention is further arranged to: the sliding groove for bolt upper and lower displacement, the bolt are offered on the closing door
Including the sliding shoe being plugged in sliding groove, the compressed spring being set between sliding shoe and sliding groove, the compressed spring is driven
Make sliding shoe be displaced towards side outside sliding groove and stay its sliding shoe part to extend to outside sliding groove in sliding groove inner part.
By using above-mentioned technical proposal, sliding shoe is given by compressed spring and slides active force outwardly, makes it without outer
Under power effect, sliding shoe part is stayed to be plugged in slot in sliding groove inner part, realizes the limit of its left-hand door, right door and hollow block
Effect；And then under the elastic reaction of compressed spring, make that its sliding block is abutted with sliding shoe inclined-plane and inclined-plane transmission effect power is greater than
When the elastic acting force of compressed spring, sliding shoe can be driven to be detached from slot, release the spacing relation of left-hand door, right door and hollow block,
Open its opening.
The present invention is further arranged to: the sliding shoe two sides are provided with limited block, offer in the sliding groove sidewall
For the limiting slot of limited block grafting and upper and lower displacement, the limiting slot is along the two sides of sliding groove length direction in closing setting.
By using above-mentioned technical proposal, by being slidably matched for limiting slot and limited block, to the skidding distance of sliding shoe
Restriction effect is played, prevents sliding shoe from sliding out sliding groove completely.
In conclusion advantageous effects of the invention are as follows:
1. by the two sides of hollow block line direction before floating platform in opening setting, and limiting closing door to opening by bolt
It is closed；When need to drag floating platform move ahead when, release bolt to the position-limiting action of closing door, make its closing door in water flow
Under resistance, opening is automatically opened, clump weight is reduced and water flow generates the area of resistance, can be effectively reduced what floating platform was subject to
Resistance, the dragging work convenient for ship to floating platform；
2. water fender is excessive by resistance, slide bar band movable slider is driven to be displaced backwards, so that its sliding block and bolt is generated inclined-plane and pass
It starts building to make, drives bolt to be detached from slot, automatically terminate the position-limiting action of closing door and hollow block, before dragging floating platform convenient for it
Opening work when row, to closing door.
Detailed description of the invention
Fig. 1 is the overall structure diagram of embodiment one.
Fig. 2 is the partial structural diagram of clump weight in Fig. 1.
Fig. 3 is the partial structural diagram of clump weight in embodiment two.
Fig. 4 is the diagrammatic cross-section structural schematic diagram in Fig. 3.
Fig. 5 is the diagrammatic cross-section of closing door and bolt in Fig. 3.
Fig. 6 is the local connection relationship diagram of closing door and hollow block.
In figure, 1, scaffold；2, clump weight；21, solid slug；22, hollow block；3, inlet opening；4, closing door；41, left-hand door；
42, You Men；43, shaft；5, bolt；51, sliding shoe；52, compressed spring；6, slot；7, sliding groove；8, actuator；81, sliding
Bar；82, sliding block；83, sliding slot；84, displacement slot；85, water fender；9, limited block；10, limiting slot；11, room is controlled.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
In the present invention, the length direction of scaffold 1 is " conveying direction of floating platform ", and the width direction of scaffold 1 is vertical
The direction of " floating platform conveying direction ".
Referring to Fig.1 with 2, be a kind of floating platform convenient for dragging disclosed by the invention, including scaffold 1, control room 11 with
And clump weight 2, control room 11 and clump weight 2 are soldered to 1 lower section of scaffold and mutual dislocation setting；Into the water by floating platform
When, under the gravity of clump weight 2, the buoyancy in control room 11 is offset, its clump weight 2 and control room 11 is made to sink to water completely
In, 1 lower end of scaffold also submerged, the suspension for keeping its floating platform stable is in water.
Above-mentioned clump weight 2 includes hollow block 22 and solid slug 21；Clump weight 2 is made of steel and surface is coated with antirust
Paint；Hollow block 22 and solid slug 21 are integrally formed and are located at 21 lower section of solid slug, and 21 upper end of solid slug is fixed with 1 lower end of scaffold；
Hollow block 22 offers inlet opening 3 along the side wall of the width direction of scaffold 1, floating platform into the water when, in floating platform
Under overall weight, 22 part sinks into water of hollow block is connected to its inlet opening 3 with outside water, and outside water is injected in hollow block 22,
In the present embodiment, when filling water in hollow block 22, the gravity of clump weight 2 overcomes the buoyancy in control room 11 completely, makes its floating
The enough 1 lower end submergeds of scaffold of the gravity of platform, the suspension for keeping its floating platform stable is on the water.
The implementation principle of embodiment one are as follows: first control room 11 and clump weight 2 are fixed on scaffold 1, then by floating platform
It is whole to make it under automatism itself into the water, control room 11 and 2 part sinks into water of clump weight, make its outside water from
Inlet opening 3 enters in hollow block 22, is gradually increased the gravity of whole floating platform, its floating platform is made slowly to sink, until
After 1 lower end submerged of scaffold, stop its sinking movement, drive floating platform it is stable be suspended in it is waterborne.
Embodiment two, as shown in figs. 1 and 3, the difference is that, hollow block 22 is along 1 length direction of scaffold with embodiment one
Two sides be all provided with and be set to opening, opening is opened and closed by closing door 4；Closing door 4 is made of left-hand door 41 and right door 42, left-hand door
41, right door 42 is located remotely from each other side by shaft 43(referring to Fig. 4) it is rotationally connected on hollow block 22, and four shafts 43 are located
In the side that opposite clump weight 2 meets water, its left-hand door 41, right door 42 is made to be only capable of beating along one side to overturn of Relative Floating platform conveying direction
Open its opening.In the present embodiment, left-hand door 41, right door 42 are plugged on hollow block 22 by bolt 5 respectively, realize its closure opening
Work.
Referring to Fig. 3 and 5, above-mentioned bolt 5 includes sliding shoe 51 and compressed spring 52, and left-hand door 41 is connected side with right door 42
Upper and lower side offer the sliding groove 7 for 51 upper and lower displacement of sliding shoe respectively, 52 both ends of compressed spring respectively with sliding shoe 51 with
And sliding groove 7 is fixed, compressed spring 52, which gives sliding shoe 51 and is partially in 7 inner part of sliding groove, extends to 7 outside of sliding groove
Active force；The corresponding slot 6 offered for 51 grafting of sliding shoe of 22 upper and lower side of hollow block, under original state, compressed spring 52 is driven
It is plugged in 51 part of sliding shoe in slot 6, realizes left-hand door 41,42 pairs of the right door closing work being open.
Referring to Fig. 4 and 6, the actuator for releasing sliding shoe 51 and 6 grafting relationship of slot is additionally provided on above-mentioned hollow block 22
8；Actuator 8 includes slide bar 81 and sliding block 82；Slide bar 81 is provided with two and is located at about 22 two sides of hollow block, hollow block
About 22 two sides offer the sliding slot 83 for 81 grafting of slide bar respectively；Sliding block 82 is provided with four pieces, and every two pieces are fixed on a slide bar
On 81；Every piece of sliding block 82 controls the displacement work of left-hand door 41,42 side sliding shoe 51 of right door simultaneously；It is also provided on hollow block 22
The displacement slot 84 moved forward and backward for sliding block 82 with slide bar 81；82 one end of sliding block is flushed with 22 inner wall of hollow block；Sliding block 82 and sliding
Guiding surface one, guiding surface two are offered on 51 adjacent surface of block respectively；In the present embodiment, slide bar 81 meets water and is fixed on one end
Water fender 85；When dragging floating platform moves ahead, water plays larger resistance to water fender 85, and slide bar 81 is driven to be displaced backwards, thus
Sliding block 82 is abutted with 51 inclined-plane of sliding shoe, and sliding shoe 51 is driven to completely disengage slot 6, releases left-hand door 41, right door 42 and hollow block
22 position-limiting action reduces the resistance that clump weight 2 is subject to open 22 front and back side opening of hollow block.
In the present embodiment, the distance of above-mentioned displacement slot 84 only enough sliding blocks 82 from completely disengage sliding shoe 51 to sliding shoe
It is displaced between 51 vertical coincidences, when sliding block 82 is mutually abutted with sliding shoe 51 along the vertical side of clump weight 2, sliding shoe 51 is complete
Total detachment slot 6, and sliding block 82 is abutted with 84 side wall of displacement slot, limitation sliding block 82 continues straight-line displacement.
Referring to Fig. 5, in the present embodiment, above-mentioned 51 two sides of sliding shoe are respectively fixed with limited block 9,7 two sides of sliding groove difference
The limiting slot 10 of 9 upper and lower displacement of limited block is offered, limiting slot 10 is all closed setting along the two sides of 7 length direction of sliding groove, makes
It plays restriction effect to the shift length of sliding shoe 51.
The implementation principle of embodiment two are as follows: when being pulled using ship to floating platform, during dragging, water blocking
Impact force of the plate 85 by water is displaced its band moving slide-bar 81 backwards, and in 81 displacement process of slide bar, sliding block 82 and sliding shoe 51 are oblique
Face transmission, drives sliding shoe 51 to fully slide out slot 6, the position-limiting action to left-hand door 41, right door 42 is released, then in the impact of water
Under effect, drives left-hand door 41, the overturning of right door 42 to open the opening of 22 front and back of hollow block, reduces the drag area of clump weight 2 and water,
To reduce resistance suffered by whole floating platform, the dragging work convenient for its ship to floating platform.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (7)
1. a kind of floating platform convenient for dragging, including scaffold (1), the control room (11) being set to below scaffold (1) and counterweight
Block (2), it is other that the clump weight (2) is set to control room (11), it is characterised in that: the clump weight (2) includes solid with scaffold (1)
Fixed solid slug (21) and the hollow block (22) fixed with solid slug (21), the hollow block (22) are under solid slug (21)
Side, and the inlet opening (3) inside and outside connection hollow block (22) is offered on hollow block (22) side wall, the hollow block (22) is along floating
The front and rear sides of platform conveying direction are arranged to be open, and opening is rotatably connected to the closing door (4) for opening and closing opening, described
It is slidably connected on closing door (4) bolt (5), the corresponding slot offered for bolt (5) grafting on the hollow block (22)
(6), the bolt (5) be plugged in slot (6) it is interior when, the closing door (4) closure opening；It is also set up on the hollow block (22)
There are driving bolt (5) to be detached from the actuator (8) of slot (6).
2. a kind of floating platform convenient for dragging according to claim 1, it is characterised in that: the actuator (8) includes
Along the slide bar (81) that floating platform conveying direction is set on hollow block (22), it is opened on hollow block (22) and for slide bar (81)
The sliding slot (83) moved forward and backward, the slide bar (81) corresponds to bolt (5) towards bolt (5) side and is provided with sliding block (82), described
The corresponding displacement slot (84) offered for sliding block (82) sliding, the sliding block (82), the adjacent side of bolt (5) on hollow block (22)
It is respectively arranged with guiding surface one, guiding surface two, is driven, drives with bolt (5) inclined-plane in sliding block (82) displacement process
Bolt (5) is detached from slot (6)；The side that the slide bar (81) meets water is provided with water fender (85).
3. a kind of floating platform convenient for dragging stated according to claim 2, it is characterised in that: the same slide bar (81) on pair
Two bolts (5) are answered to be provided with two groups of sliding blocks (82), when the sliding block (82) is outer in slot (6) by bolt (5) pushing tow, the cunning
The side that block (82) is in guiding surface one is abutted with displacement slot (84) side wall.
4. a kind of floating platform convenient for dragging according to claim 2, it is characterised in that: the closing door (4) includes
Left-hand door (41), right door (42), the side that the left-hand door (41) is located remotely from each other with right door (42) are rotationally connected with by shaft (43)
On hollow block (22), the shaft (43) is located at the side that hollow block (22) is in Relative Floating platform conveying direction, the left side
Door (41), right door (42) are respectively arranged with bolt (5) on adjacent side, the same sliding block (82) simultaneously with left-hand door (41), right
Bolt (5) on door (42) abuts.
5. a kind of floating platform convenient for dragging according to claim 4, it is characterised in that: the left-hand door (41), right door
(42) two sides are provided with bolt (5) up and down, and actuator (8) is corresponding, and along hollow block (22), two sides are respectively arranged with one group up and down.
6. a kind of floating platform convenient for dragging described in -5 any one according to claim 1, it is characterised in that: the closing
The sliding groove (7) for bolt (5) upper and lower displacement is offered on door (4), the bolt (5) includes being plugged in sliding groove (7)
Sliding shoe (51), the compressed spring (52) being set between sliding shoe (51) and sliding groove (7), the compressed spring (52) drive
Sliding shoe (51) is displaced towards the outer side of sliding groove (7) and stays its sliding shoe (51) partially and extends in sliding groove (7) inner part
Sliding groove (7) is outside.
7. a kind of floating platform convenient for dragging according to claim 6, it is characterised in that: sliding shoe (51) two sides
It is provided with limited block (9), the limiting slot for limited block (9) grafting and upper and lower displacement is offered on sliding groove (7) side wall
(10), the limiting slot (10) is along the two sides of sliding groove (7) length direction in closing setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811314930.9A CN109533214B (en) | 2018-11-06 | 2018-11-06 | Floating platform convenient to pull |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811314930.9A CN109533214B (en) | 2018-11-06 | 2018-11-06 | Floating platform convenient to pull |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109533214A true CN109533214A (en) | 2019-03-29 |
| CN109533214B CN109533214B (en) | 2020-07-10 |
Family
ID=65846472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811314930.9A Active CN109533214B (en) | 2018-11-06 | 2018-11-06 | Floating platform convenient to pull |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109533214B (en) |
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| KR20170066052A (en) * | 2015-12-04 | 2017-06-14 | 삼성중공업 주식회사 | Ship with door for moon-pool |
| CN107911973A (en) * | 2017-12-15 | 2018-04-13 | 无锡优耐特能源科技有限公司 | A kind of modularization base of cabinet |
| CN108216511A (en) * | 2018-01-18 | 2018-06-29 | 唐山航岛海洋重工有限公司 | A kind of more floating body floating platforms that dock is set |
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102762445A (en) * | 2009-09-14 | 2012-10-31 | 爱德船务服务有限公司 | Offshore equipment deploying and retrieving vessel |
| CN202691180U (en) * | 2012-07-04 | 2013-01-23 | 湖南有色重机工程机械有限公司 | Energy-saving double-side-open multifunctional pressure limiting unloading valve |
| KR20150035091A (en) * | 2013-09-27 | 2015-04-06 | 대우조선해양 주식회사 | Barge mounted power generation plant and foundation its |
| KR20170066052A (en) * | 2015-12-04 | 2017-06-14 | 삼성중공업 주식회사 | Ship with door for moon-pool |
| CN106614425A (en) * | 2016-09-09 | 2017-05-10 | 中国科学院海洋研究所 | Novel submarine trawl net |
| CN206103365U (en) * | 2016-09-13 | 2017-04-19 | 杭州华艺喷泉设备有限公司 | Bright and beautiful performance system of aerial synthesis of dance, sound, light, fire, shadow catchments |
| CN106516030A (en) * | 2016-12-13 | 2017-03-22 | 浙江海洋大学 | Movable wharf |
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| CN108216511A (en) * | 2018-01-18 | 2018-06-29 | 唐山航岛海洋重工有限公司 | A kind of more floating body floating platforms that dock is set |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109533214B (en) | 2020-07-10 |
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