CN114622477A - Special work ship capable of quickly erecting bridge span and erecting method - Google Patents
Special work ship capable of quickly erecting bridge span and erecting method Download PDFInfo
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- CN114622477A CN114622477A CN202111612687.0A CN202111612687A CN114622477A CN 114622477 A CN114622477 A CN 114622477A CN 202111612687 A CN202111612687 A CN 202111612687A CN 114622477 A CN114622477 A CN 114622477A
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- 238000000034 method Methods 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000010720 hydraulic oil Substances 0.000 claims description 8
- 230000008569 process Effects 0.000 abstract description 5
- 230000009471 action Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D15/00—Movable or portable bridges; Floating bridges
- E01D15/24—Bridges or similar structures, based on land or on a fixed structure and designed to give access to ships or other floating structures
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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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D15/00—Movable or portable bridges; Floating bridges
- E01D15/12—Portable or sectional bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D15/00—Movable or portable bridges; Floating bridges
- E01D15/12—Portable or sectional bridges
- E01D15/124—Folding or telescopic bridges; Bridges built up from folding or telescopic sections
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/005—Piers, trestles, bearings, expansion joints or parapets specially adapted for portable or sectional bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
- E01D21/06—Methods or apparatus specially adapted for erecting or assembling bridges by translational movement of the bridge or bridge sections
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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)
- Bridges Or Land Bridges (AREA)
Abstract
The invention provides a special work ship capable of quickly erecting bridge spans, which is characterized by comprising a ship body, a cab, a ship body lifting system, two bridges and an erection system, wherein the cab is arranged on the ship body; the erection system is arranged on the ship body and used for retracting the two bridges, a through long deck is arranged on the upper surface of the ship body, the two mechanical bridges are placed on the main deck, and the bottom ends of the two mechanical bridges are fixedly connected with the erection system; the ship body lifting systems are arranged on two sides of the front end and two sides of the rear end of the ship body, and the ship body can be quickly lifted after being started; the cab is arranged above the middle part of the ship body and is not in contact with the deck. The two bridges placed on the deck of the special working ship can be quickly retracted through the erection system, the hull of the special working ship can be quickly lifted off the water surface under the action of the hull lifting system arranged on the hull, the bridge system resisting the three-level sea condition is formed by the two bridges, external equipment is not needed, the special working ship can be independently and quickly completed in the whole erection process, and the special working ship can be quickly retracted after the work is completed, is transferred along with the ship and can be recycled.
Description
Technical Field
The invention relates to the technical field of water trestle systems, in particular to a special work ship capable of quickly erecting a bridge span and an erecting method.
Background
At present, military or civil trestle systems are used for erecting floating or elevated passages on the sea at home and abroad. Such as the army improved army lightering system (INLS), which is a means for army to implement beach guarantee under sea conditions of more than three levels, and the system comprises a roll-on/roll-off platform, a trestle ferry, a hank tugboat and the like. The main component units of the system adopt steel or composite material boxes, and the maximum bearing capacity is about 150 tons. But the equipment is mainly used for floating erection and is suitable for lower sea state grade. For example, the army modular elevated trestle system (ELCAS) adopts a spud to lift the trestle modular system to a position higher than a sea wave area, so as to form a shore-connecting passage crossing the wave area, and transport vehicles, materials, container goods and the like from a ship moored at the sea and having a deep draft to a land and shore system. The system can be connected and separated under the condition of 3-level sea and the survival sea condition is 6-level. But the erection process is complex in construction, needs piling machinery and has long erection and retraction time.
Disclosure of Invention
In view of the above, the invention provides a special working ship capable of quickly erecting a bridge span and an erecting method thereof, which can be connected and separated under a 3-level sea condition, and the erecting and withdrawing time is obviously shortened compared with the prior art; the span of the bridge after erection is large, and various special tasks can be completed quickly in a complex environment.
The invention adopts the following specific technical scheme:
a special working ship capable of quickly erecting bridge spans is characterized by comprising a ship body, a cab, a ship body lifting system, two bridges and an erection system;
the erection system is arranged on the ship body and used for retracting the two bridges, the upper surface of the ship body is fixedly connected with a deck, the two bridges are placed on the deck, and the bottom ends of the two bridges are fixedly connected with the erection system; the ship body lifting systems are arranged on two sides of the front end and two sides of the rear end of the ship body, and the ship body can be quickly lifted after being started; the cab is arranged above the middle part of the ship body and is not in contact with the deck.
Furthermore, a pile leg lifting system is adopted as the ship body lifting system; the pile leg lifting system comprises four pile legs and four lifters; the four elevators are respectively arranged on two sides of the front end and two sides of the rear end of the ship body, each elevator is provided with a pile leg, and the elevators are responsible for lifting the pile legs.
Further, the bridge comprises bridge sections, guide beams, bridge section pin teeth and guide beam pin teeth; the bridge section pin teeth are fixedly connected to the lower end of the bridge section; the guide beam pin teeth are fixedly connected to the lower end of the guide beam; the lower end of the guide beam is provided with a guide rail, the bridge section is in sliding fit with the guide beam through the guide rail, and the bridge section and the guide beam horizontally move along the direction of the guide rail; the bridge section pin teeth and the guide beam pin teeth are detachably connected with the erection system.
Further, the erection system comprises a hydraulic oil cylinder, a motor and a motor chain; the hydraulic oil cylinder is contacted with the lower ends of the two bridges, and when the bridges move outwards; the motor drives the motor chain wheel, and the motor chain wheel can respectively drive the guide beam and the bridge section to move through the guide beam pin teeth and the bridge section pin teeth; the motor chain wheel can be switched between the state of being matched with the guide beam pin teeth and the state of being matched with the bridge section pin teeth.
Further, with the special workboat of claim 1, after the special workboat is driven into the designated position, the hull lifting system starts to operate, lift the hull to a distance from the water surface, and keep the deck parallel to the water surface; the erection system lifts the two bridges to a certain height, moves one bridge outwards, and moves the other bridge outwards in the same way after moving in place; the two bridges move in different directions or in the same direction; after both bridges are moved in place, the erection system lowers both bridges to the deck, completing erection.
Furthermore, when a special working ship is used, the erection can be completed by applying the erection method of the special working ship and enabling the moving directions of the two bridges on the special working ship to be different;
when two special workboats are used, the erection method of the special workboats is applied, so that the moving directions of the two bridges on one special workboat are opposite, and the unfolding directions of the two bridges on the other special workboat are opposite or simultaneously towards the shore, and then the erection can be completed;
when more than three special workboats are used, the erection method of the special workboats is applied, the unfolding directions of the two bridges of all the special workboats are enabled to be the same, and in the multi-module erection, one end of the special workboats, which have no bridge in the whole module, is abutted against the bank to finish the erection.
Has the advantages that:
1. the two bridges placed on the deck of the special working ship can be quickly retracted through the erection system, the hull of the special working ship can be quickly lifted off the water surface under the action of the hull lifting system arranged on the hull, the bridge system resisting the three-level sea condition is formed by the two bridges, external equipment is not needed, the special working ship can be independently and quickly completed in the whole erection process, and the special working ship can be quickly retracted after the work is completed, is transferred along with the ship and can be recycled.
2. The invention can realize various different erection modules to deal with different working environments.
Drawings
FIG. 1 is a schematic view of the overall arrangement of the present invention;
FIG. 2 is a schematic view of the single module construction of the present invention;
FIG. 3 is a schematic diagram of the dual module configuration of the present invention;
FIG. 4 is a schematic view of the multi-module construction of the present invention;
FIG. 5 is a schematic diagram of a bridge structure according to the present invention;
FIG. 6 is a schematic cross-sectional view of a bridge of the present invention;
FIGS. 7(a) -7 (f) are flow charts of the erection process of the present invention;
the system comprises a ship body 1, a cab 2, a ship body lifting system 3, a large-span bridge 4, bridge sections 5, guide beams 6, guide beam pin teeth 7, bridge section pin teeth 8 and an erection system 9.
Detailed Description
The invention is described in detail below by way of example with reference to the accompanying drawings.
The invention provides a special working ship capable of quickly erecting a bridge span, which can be connected and separated under a 3-level sea condition, and the erection and the retraction time is obviously shortened compared with the prior art; the span of the bridge after erection is large, and various special tasks can be completed quickly in a complex environment.
A special work ship capable of quickly erecting bridge spans is shown in figure 1 and comprises a ship body 1, a cab 2, a ship body lifting system 3, two bridges and an erection system 9. In this embodiment, the bridge is a long-span bridge 4.
The erection system 9 is arranged on the hull 1 of the special working ship, and the two long-span bridges 4 are arranged on the deck of the special working ship in parallel, are detachably connected with the erection system 9 and can be driven by the erection system 9 to lift and horizontally move.
The ship body 1 is in a shallow draft ship shape, and a wide deck is arranged on the ship body 1; the cab 2 is arranged in the middle of the ship body 1 and erected above the deck; the ship body lifting system 3 adopts a pile leg lifting system; the leg elevating system includes four elevators and four legs. Two sides of the front end of the ship body 1 are respectively provided with a lifter, two sides of the rear end are also respectively provided with a lifter, and the lifters are responsible for lifting the pile legs. At present, the main sizes of the ship body 1 are 98.56m of total length, 90.50m of vertical line length, 13.60m of model width, 4.60m of model depth, 3.10m of draft and 13kn of navigational speed.
In special work, the length of the bridge is usually more than 50m, and the bridge can be called as a large-span bridge 4, as shown in fig. 5 and 6, the length of the large-span bridge 4 is 80m at the minimum, and the maximum length does not exceed the length of the ship body 1, and the large-span bridge mainly comprises: bridge section 5, nose girder 6, nose girder round pin tooth 7 and bridge section round pin tooth 8, wherein bridge section 5 mainly used bears the upper portion load, and nose girder 6 mainly used erects bridge section 5, and 6 lower extreme sides of nose girder are equipped with the guide rail, and nose girder 6 passes through guide rail and 5 sliding fit of bridge section, can follow the horizontal motion of guide rail direction, and nose girder 6 and 5 retrain the horizontal motion direction of each other mutually. The guide beam pin teeth 7 and the bridge section pin teeth 8 are respectively fixedly connected to the lower ends of the guide beam 6 and the bridge section 5 and are mainly used for connecting an erection system 9.
The erection system 9 mainly comprises six hydraulic oil cylinders, motors and motor chain wheels, the middle parts of the two ends of the two large-span bridges 4 are respectively provided with one hydraulic oil cylinder, and the hydraulic oil cylinders are arranged below the deck and used for lifting the guide beams 6 and the bridge sections 5; the motor is responsible for driving the motor sprocket, and the motor sprocket drives nose 6 and bridge section 5 horizontal motion through nose pin tooth 7, bridge section pin tooth 8 respectively, and the motor sprocket can carry out the conversion under two kinds of states with nose pin tooth 7 cooperation and with bridge section pin tooth 8 cooperation.
The erection method comprises the following steps: the erection process of the special working ship is shown in fig. 7(a) -7 (f), the special working ship runs to the shore, a certain distance is reserved between the special working ship and the shore, the lifter starts to lower down the pile legs, the pile legs are supported at the bottom of the water, at the moment, the lifter continues to work to drive the ship body 1 to move upwards until the ship body 1 is lifted to a certain distance away from the water surface, and the deck is kept parallel to the water surface;
the hydraulic oil cylinder below the deck starts to work, two large-span bridges 4 are lifted to a certain height, then the motor works, firstly one large-span bridge 4 is moved, the guide beam pin teeth 7 are driven by the motor chain wheel to move outwards, the guide beam 6 is limited by the bridge section 5 to move outwards, the motor chain wheel rotates to drive the bridge section pin teeth 8 after the guide beam is moved to the right position, and the bridge section 5 moves outwards. After one large-span bridge 4 is moved in place, the other large-span bridge 4 is moved according to the same method, the moving directions of the two large-span bridges 4 can be the same or different, and after the two large-span bridges are moved in place, the hydraulic oil cylinder works to reduce the height of the two large-span bridges 4 to the deck.
Example 1 single module erection: the single module erection is schematically shown in fig. 2, and after a special working ship is driven to a designated position, the erection method is applied to enable the moving directions of the two large-span bridges 4 to be opposite, so that the erection of the single module can be completed.
Example 2 two module set up: the double-module erection schematic diagram is shown in fig. 3, two special workboats are needed to be used for erecting the bridge at the same time in a wider water area, the two special workboats are driven into specified positions to be aligned, the distance between the two workboats is smaller than the length of one large-span bridge 4, the moving directions of the two large-span bridges 4 on one ship are enabled to be different by applying the erection method, and the moving directions of the two large-span bridges 4 on the other ship are the same (towards the shore) or different.
Example 3 multiple module setup: the multi-module erection schematic diagram is shown in fig. 4, when a bridge with longer length needs to be erected, more than three special workboats can be selected, after all the special workboats drive into corresponding positions to be aligned, the distance between every two special workboats is ensured to be smaller than the length of the large-span bridge 4, the two large-span bridges 4 are in the same direction for all the special workboats applying the erection method, and the multi-module erection can be completed when the special workboats at the end, without the bridge, of the whole module lean against the bank. The module can be used for erecting a bridge with the width of two large-span bridges 4 for realizing bidirectional traffic.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A special work ship capable of quickly erecting bridge spans is characterized by comprising a ship body, a cab, a ship body lifting system, two bridges and an erection system;
the erection system is arranged on the ship body and used for retracting the two bridges, the upper surface of the ship body is fixedly connected with a deck, the two bridges are placed on the deck, and the bottom ends of the two bridges are fixedly connected with the erection system; the ship body lifting systems are arranged on two sides of the front end and two sides of the rear end of the ship body, and the ship body can be quickly lifted after being started; the cab is arranged above the middle part of the ship body and is not in contact with the deck.
2. A specialty working vessel capable of quickly erecting a bridge span as defined in claim 1 wherein said hull lift system employs a leg lift system; the pile leg lifting system comprises four pile legs and four lifters; the four elevators are respectively arranged on two sides of the front end and two sides of the rear end of the ship body, each elevator is provided with a pile leg, and the elevators are responsible for lifting the pile legs.
3. A specialty work vessel for quickly erecting a bridge span as defined in claim 1 wherein said bridge includes bridge sections, guide beams, bridge section pin teeth and guide beam pin teeth; the bridge section pin teeth are fixedly connected to the lower end of the bridge section; the guide beam pin teeth are fixedly connected to the lower end of the guide beam; the lower end of the guide beam is provided with a guide rail, the bridge section is in sliding fit with the guide beam through the guide rail, and the bridge section and the guide beam horizontally move along the direction of the guide rail; the bridge section pin teeth and the guide beam pin teeth are detachably connected with the erection system.
4. A specialty workboat capable of quickly erecting an overpass as defined in claim 3 wherein said erecting system includes hydraulic rams, motors and motor chains; the hydraulic oil cylinder is in contact with the lower ends of the two bridges, and when the bridges move outwards; the motor drives the motor chain wheel, and the motor chain wheel can respectively drive the guide beam and the bridge section to move through the guide beam pin teeth and the bridge section pin teeth; the motor chain wheel can be switched between a state of being matched with the guide beam pin teeth and a state of being matched with the bridge joint pin teeth.
5. A method for erecting a special working ship capable of quickly erecting a bridge span is characterized in that the special working ship is adopted, the ship body lifting system starts to work after the special working ship drives into a designated position, the ship body is lifted to a certain distance away from the water surface, and the deck is kept parallel to the water surface; the erection system lifts the two bridges to a certain height, moves one bridge outwards, and moves the other bridge outwards in the same way after moving in place; the two bridges move in different directions or in the same direction; after both bridges are moved in place, the erection system lowers both bridges to the deck, completing erection.
6. The method for erecting a special working vessel capable of quickly erecting a bridge span as claimed in claim 5, wherein when one special working vessel is used, the erection is completed by applying the method for erecting the special working vessel so that the moving directions of two bridges on the special working vessel are opposite;
when two special workboats are used, the erection method of the special workboats is applied, so that the moving directions of two bridges on one special workboat are opposite, and the erection can be finished when the unfolding directions of two bridges on the other special workboat are opposite or simultaneously towards the shore;
when more than three special workboats are used, the erection method of the special workboats is applied, the unfolding directions of two bridges of all the special workboats are enabled to be the same, and in the multi-module erection, one end of the special workboat, which is provided with no bridge in the whole module, is in shore to finish the erection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111612687.0A CN114622477A (en) | 2021-12-27 | 2021-12-27 | Special work ship capable of quickly erecting bridge span and erecting method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111612687.0A CN114622477A (en) | 2021-12-27 | 2021-12-27 | Special work ship capable of quickly erecting bridge span and erecting method |
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| Publication Number | Publication Date |
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| CN114622477A true CN114622477A (en) | 2022-06-14 |
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| CN202111612687.0A Pending CN114622477A (en) | 2021-12-27 | 2021-12-27 | Special work ship capable of quickly erecting bridge span and erecting method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114525723A (en) * | 2021-12-30 | 2022-05-24 | 中国船舶重工集团应急预警与救援装备股份有限公司 | Special work ship capable of quickly erecting bridge span and erecting method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1356787A (en) * | 1970-06-26 | 1974-06-12 | British Petroleum Co | Boat |
| CN201141117Y (en) * | 2007-12-27 | 2008-10-29 | 韩永林 | Novel bridge vessel |
| CN201588168U (en) * | 2010-01-28 | 2010-09-22 | 中国海洋石油总公司 | Hydraulic pedestrian expansion trestle for multifunctional self-elevating supporting platform of offshore oil field |
| CN102114902A (en) * | 2010-01-05 | 2011-07-06 | 浙江海洋学院 | Efficient rapid emergency maintenance ship for submarine pipeline |
| CN201962661U (en) * | 2011-03-28 | 2011-09-07 | 中交第二航务工程局有限公司 | Offshore movable lifting multifunctional working platform |
| CN105836061A (en) * | 2016-03-21 | 2016-08-10 | 中国船舶工业集团公司第七○八研究所 | Self-lifting semi-submersible type underwater working platform |
| CN108179695A (en) * | 2017-11-24 | 2018-06-19 | 湖北华舟重工应急装备股份有限公司 | A kind of modular assembly formula is met an urgent need bridge and its erection method |
| CN109853355A (en) * | 2019-01-22 | 2019-06-07 | 中国船舶重工集团应急预警与救援装备股份有限公司 | A kind of nose girder preposition vehicle-mounted emergency machine bridge and its erection method |
| CN112942063A (en) * | 2021-03-30 | 2021-06-11 | 同济大学 | Extensible floating bridge unit and erection method thereof |
-
2021
- 2021-12-27 CN CN202111612687.0A patent/CN114622477A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1356787A (en) * | 1970-06-26 | 1974-06-12 | British Petroleum Co | Boat |
| CN201141117Y (en) * | 2007-12-27 | 2008-10-29 | 韩永林 | Novel bridge vessel |
| CN102114902A (en) * | 2010-01-05 | 2011-07-06 | 浙江海洋学院 | Efficient rapid emergency maintenance ship for submarine pipeline |
| CN201588168U (en) * | 2010-01-28 | 2010-09-22 | 中国海洋石油总公司 | Hydraulic pedestrian expansion trestle for multifunctional self-elevating supporting platform of offshore oil field |
| CN201962661U (en) * | 2011-03-28 | 2011-09-07 | 中交第二航务工程局有限公司 | Offshore movable lifting multifunctional working platform |
| CN105836061A (en) * | 2016-03-21 | 2016-08-10 | 中国船舶工业集团公司第七○八研究所 | Self-lifting semi-submersible type underwater working platform |
| CN108179695A (en) * | 2017-11-24 | 2018-06-19 | 湖北华舟重工应急装备股份有限公司 | A kind of modular assembly formula is met an urgent need bridge and its erection method |
| CN109853355A (en) * | 2019-01-22 | 2019-06-07 | 中国船舶重工集团应急预警与救援装备股份有限公司 | A kind of nose girder preposition vehicle-mounted emergency machine bridge and its erection method |
| CN112942063A (en) * | 2021-03-30 | 2021-06-11 | 同济大学 | Extensible floating bridge unit and erection method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114525723A (en) * | 2021-12-30 | 2022-05-24 | 中国船舶重工集团应急预警与救援装备股份有限公司 | Special work ship capable of quickly erecting bridge span and erecting method |
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