CN105857528A - Hoisting method for A-type liquid cargo tank - Google Patents

Hoisting method for A-type liquid cargo tank Download PDF

Info

Publication number
CN105857528A
CN105857528A CN201510455923.0A CN201510455923A CN105857528A CN 105857528 A CN105857528 A CN 105857528A CN 201510455923 A CN201510455923 A CN 201510455923A CN 105857528 A CN105857528 A CN 105857528A
Authority
CN
China
Prior art keywords
cargo tank
lifting
hanging
stopping device
guide plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201510455923.0A
Other languages
Chinese (zh)
Other versions
CN105857528B (en
Inventor
孟鹏
张华�
叶明�
邓超
李爱军
蒋海柱
方奇伟
刘以高
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangnan Shipyard Group Co Ltd
Original Assignee
Shanghai Jiangnan Changxing Heavy Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Jiangnan Changxing Heavy Industry Co Ltd filed Critical Shanghai Jiangnan Changxing Heavy Industry Co Ltd
Priority to CN201510455923.0A priority Critical patent/CN105857528B/en
Publication of CN105857528A publication Critical patent/CN105857528A/en
Application granted granted Critical
Publication of CN105857528B publication Critical patent/CN105857528B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention provides a hoisting method for an A-type liquid cargo tank. According to the hoisting method for the A-type liquid cargo tank, the liquid cargo tank is included; the top surface of the liquid cargo tank is provided with a float stopping device, at least a pair of knee plates with corresponding positions is arranged on the left side and the right side of a connection plate of the float stopping device, each knee plate is provided with a first hoisting hole, and a second hoisting hole is formed in the connection plate; during hoisting, the liquid cargo tank is overall hoisted through the first hoisting holes and the second hoisting hole in the float stopping device, the external insulation parts of the liquid cargo tank cannot be damaged, meanwhile related work is simplified, and shell insulation is prepared for installing an outfitting piece; the liquid cargo tank can be overall hoisted, work needing to be completed in a dock is constructed on a built platform in advance, the integrity of outfitting and insulation construction of the liquid cargo tank of a built platform area is improved, and the building cycle of the dock is shortened.

Description

The hanging method of A type cargo tank
Technical field
The present invention relates to the hanging method of a kind of A type cargo tank.
Background technology
Liquefied gas carrier is the tanker shipping liquefied gas specially, and described liquefied gas is loaded in the cargo tank of liquefied gas carrier, described Outside cargo tank is independent of Ship Structure.At present, according to loading the type of liquid goods and working space and otherwise difference, Cargo tank is divided into A type, Type B and c-type three kinds, and wherein A type cargo tank is mainly slab construction, has complete time shielding, and Volume is bigger;Type B cargo tank is slab construction or is spherical tank formula, has part time shielding;C-type cargo tank is spherical tank formula, nothing Secondary shielding, and volume is relatively small.Wherein, the low-temperature steel welding procedure difficulty related in described A type cargo tank is big, and due to The construction positioning accuracy request of bearing and stopping means is high, and then makes cargo tank long construction period in dock, A type in addition Cargo tank be first segmental hoisting in Ship Structure, in hull, then carry out complete cross section splicing, such construction method too increases The construction period of boats and ships.Therefore, for how shortening the construction period of entirety on the premise of ensureing construction quality, it is to need this Skilled person solves the technical problem that.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of A that can shorten ship building period and ensure construction quality The hanging method of type cargo tank, to overcome the drawbacks described above of prior art.
In order to solve above-mentioned technical problem, the present invention adopts the following technical scheme that the hanging method of a kind of A type cargo tank, including Cargo tank, the end face of described cargo tank is provided with floatation stopping device, and described floatation stopping device includes top board, top board and the top of described cargo tank Connecting at least one connecting plate arranged along beam of hull direction between face, the both sides of described connecting plate are connected with multiple floor, institute respectively Stating floor and connecting plate and cargo tank end face is fixing is connected, described top board is parallel with the end face of cargo tank, the lifting of described cargo tank Method comprises the following steps:
One, the left and right sides at described floatation stopping device connecting plate arranges the bracket that at least one pair of position is corresponding, and at described elbow Offer the first lifting hole(eyelet) on plate respectively, described connecting plate is offered the second lifting hole(eyelet);
Two, being lifted cargo tank by crane gear, described crane gear includes the row of hanging, described in the row of hanging be provided with many and hang Rope, lifting rope lower end is equipped with snap ring, and the described row of hanging moves to during lifting the top of cargo tank, and lifting rope is transferred, by snap ring respectively It is connected with the first lifting hole(eyelet), the second lifting hole(eyelet);
Three, lifting cargo tank, crane gear controls the row of hanging and moves with cargo tank, is provided with and places the pre-of cargo tank in described hull If position, described predeterminated position bottom surface is provided with multiple bearing, arrives when cargo tank is positioned at the surface tapping cargo hold at present of predeterminated position On the bearing of described predeterminated position, finally pull down the snap ring on each floatation stopping device and complete lifting.
Preferably, in step one, being respectively provided with web in the both sides of described bracket, described first lifting hole(eyelet) passes web.
Preferably, in step one, being respectively provided with web in the both sides of described connecting plate, described second lifting hole(eyelet) passes web.
Preferably, in step 2, all lifting ropes on same floatation stopping device collect on a middle suspension hook, described middle suspension hook It is connected with the row of hanging by a transition lifting rope.
Preferably, in step 3, before cargo tank is transferred, arrange tiltedly along the one end in ship length direction at described predeterminated position Vertical guide plate below guide plate and oblique guide plate, the upper end of described oblique guide plate tilts laterally, and lower end is upper with vertical guide plate End alignment, enters predeterminated position along oblique guide plate and vertical guide plate when cargo tank is transferred.
Preferably, in step 3, multiple oil cylinder is set at hull sidewall, when cargo tank apart from the distance of described bearing 30~50cm Time, stop transferring, regulate cargo tank position in the horizontal direction by oil cylinder, after adjusting, continue to transfer to institute cargo tank State on bearing.
As it has been described above, the hanging method of A type cargo tank of the present invention, have the advantages that
The present invention directly arranges lifting hole(eyelet) for lifting by crane on floatation stopping device, it is not necessary to arrange special hoisting structure on cargo tank, Ensure that while not destroying cargo tank exterior insulation, fully simplify related work, carry out casing insulation for installation outfititem and do Good preparation.Additionally, because being lifted by floatation stopping device, therefore, it is possible to realize the integral hoisting of cargo tank, it would be desirable to The work completed in dock is advanced to construct platform construction, and the cargo tank fitting-out and the insulation construction that improve construct platform region are complete Property, reduce dock lift-launch and hang number, shorten dock construction period.Present invention lifting rope on same floatation stopping device passes through transition lifting rope It is connected with crane gear, prevents from being mutually wound around, also allow for operated by personnel, it is ensured that work efficiency.
Accompanying drawing explanation
Fig. 1 is the cooperation schematic diagram of cargo tank and hull.
Fig. 2 is the structure chart of floatation stopping device on cargo tank.
Fig. 3 is view at A-A in Fig. 2.
Fig. 4 is the connection diagram of crane gear and floatation stopping device.
Fig. 5 is view at B-B in Fig. 4.
Fig. 6 is oblique guide plate and the schematic diagram of vertical guide plate in hull.
Fig. 7 is enlarged drawing at C in Fig. 6.
Fig. 8 is view at D-D in Fig. 7.
In figure: 1, cargo tank 2, floatation stopping device
21, top board 22, connecting plate
221, the second lifting hole(eyelet) 222, web
23, floor 24, bracket
241, the first lifting hole(eyelet) 242, web
3, lifting rope 31, snap ring
4, middle suspension hook 41, transition lifting rope
51, oblique guide plate 52, vertical guide plate
53, band steel 9, hull
91, bearing
Detailed description of the invention
Structure depicted in Figure of description, ratio, size etc., the most only in order to coordinate the content disclosed in description, for ripe The personage knowing this technology understands and reads, and is not limited to the enforceable qualifications of the present invention, therefore does not have technical essence Meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size, do not affect effect that the present invention can be generated by and Under the purpose that can reach, all should still fall in the range of disclosed technology contents can be contained.Meanwhile, this explanation In book cited as " on ", D score, "front", "rear", the term such as " middle ", be merely convenient to the clear of narration, and be not used to Limit the enforceable scope of the present invention, being altered or modified of its relativeness, changing under technology contents without essence, when being also considered as The enforceable category of the present invention.
As it is shown in figure 1, cargo tank 1 is positioned in hull 9, described floatation stopping device 2 is positioned at the top of cargo tank 1.The present invention one Plant the hanging method of A type cargo tank, be that cargo tank 1 integral hoisting after being spliced by complete cross section well is to the behaviour of predeterminated position in hull 2 Make flow process;The floatation stopping device 2 of described cargo tank 1 end face is provided with two rows, and floatation stopping device 2 is symmetrical along the length direction of hull 2 Arranging, as shown in Figure 2 and Figure 3, described floatation stopping device 2 includes top board 21, between the end face of top board 21 and described cargo tank 1 Even at least one connecting plate 22 arranged along beam of hull direction, the both sides of described connecting plate 22 are connected with multiple floor 23 respectively, Described floor 23 is fixing with connecting plate 22 and cargo tank end face to be connected, and described top board 21 is parallel with the end face of cargo tank 1.In conjunction with Fig. 1-Fig. 8, the hanging method of described cargo tank 1 comprises the following steps:
First, as shown in Figure 2 and Figure 3, the left and right sides at described floatation stopping device 2 connecting plate 22 arranges at least one pair of position phase Corresponding bracket 24, and on described bracket 24, offer the first lifting hole(eyelet) 241 respectively, described connecting plate 22 offers second Lifting hole(eyelet) 221.In the present embodiment, for proof strength, it is ensured that safety during lifting, the both sides of described bracket 24 set respectively Putting web 242, described first lifting hole(eyelet) 241 is through web 242;The both sides of described connecting plate 22 are respectively provided with web 222, institute State the second lifting hole(eyelet) 221 through web 222.In the present embodiment, connection between each parts all uses and is welded to connect.
After completing above-mentioned work, being lifted cargo tank 1 by crane gear, described crane gear is conventional gate-type lifting Machine etc., in conjunction with Fig. 2-Fig. 5, described crane gear includes the row of hanging, described in the row of hanging be provided with many lifting ropes 3, lifting rope 3 lower end is all provided with Having snap ring 31, the described row of hanging moves to during lifting the top of cargo tank 1, lifting rope 3 is transferred, and staff is manually by multiple cards Ring 31 is connected with first lifting hole(eyelet) the 241, second lifting hole(eyelet) 221 respectively.In the present embodiment, described bracket 24 is vertically arranged, And avoid its with cargo tank 1 body contacts, when follow-up need to be removed time, do not interfere with the body of cargo tank 1.At this In step, for the ease of operated by personnel, as shown in Fig. 4 or Fig. 5, all lifting ropes 3 on same floatation stopping device 2 collect In the middle of one on suspension hook 4, described middle suspension hook 4 is connected with the row of hanging by a transition lifting rope 41, during concrete operations, first Many lifting ropes 3 are connected with the lifting hole(eyelet) on floatation stopping device 2 respectively, then the lifting rope 3 on same floatation stopping device 2 are all hooked on On the middle suspension hook 4 of transition lifting rope 41, described transition lifting rope 41 is connected with the row of hanging;So logical too small amount of transition lifting rope 41 with The row of hanging connects difficulty when can reduce concrete operations, prevents from being the most mutually wound around because lifting rope 3 is directly connected with the row of hanging.This Implementation decreases the consumption of rope, improves work efficiency.
After crane gear and cargo tank 1 are worked good, lifting by crane cargo tank 1, crane gear controls the row of hanging and moves with cargo tank 1, The predeterminated position bottom surface placing cargo tank 1 in described hull 9 is provided with multiple bearing 91, when cargo tank 1 is just being positioned at predeterminated position Top tapping cargo hold 1 at present, on the bearing 91 of described predeterminated position, finally pulls down the snap ring 31 on each floatation stopping device 2 complete Become lifting.In this step, in conjunction with Fig. 4-Fig. 8, before cargo tank 1 is transferred, at described predeterminated position along ship length side To one end the vertical guide plate 52 below oblique guide plate 51 and oblique guide plate 51 is set, the upper end of described oblique guide plate 51 is outside Rolling tiltedly, align with the upper end of vertical guide plate 52 in lower end, as it is shown in fig. 7, be tiltedly provided with between guide plate 51 and vertical guide plate 52 One band steel 53, band steel 53 is equivalent to a backing plate, plays the lower end of oblique guide plate 51 and the upper end of vertical guide plate 52 respectively To supporting role, it is ensured that working effect.Described oblique guide plate 51 and vertical guide plate 52 are wood materials, it is to avoid with cargo tank 1 During contact, cargo tank 1 is caused damage.In this step, along oblique guide plate 51 and vertical guide plate 52 when cargo tank 1 is transferred Enter predeterminated position, i.e. cargo tank 1 first to contact with oblique guide plate 51, glide then along inclined-plane, when slipping down to vertical guide plate When 52, illustrate that the cargo tank 1 position at fore-and-aft direction (ship length direction) is it has been determined that cargo tank 1 abuts in vertical guide On plate 52 continue glide, thus prevent cargo tank 1 transfer rock time around, deviation position.When cargo tank 1 is transferred, logical Cross the row of hanging and control the position of cargo tank 1 left and right directions, be adjusted according to practical situation.Because the volume of cargo tank 1 is relatively big, If carrying out position adjustment again after lifting is good, its difficulty is relatively big, and is not easy to operation, therefore, in the present invention, at ship Body 1 sidewall arranges multiple oil cylinder, when cargo tank 1 apart from bearing 91 distance of hull bottom in 30~50cm time, stop solution goods Transferring of cabin 1, staff, according to the physical location of cargo tank 1, regulates cargo tank 1 position in the horizontal direction by oil cylinder, The i.e. piston rod of oil cylinder acts against on cargo tank 1, adjusts the cargo tank 1 under vacant state by stretching, when cargo tank 1 After whole position adjustment is good, keeping the retracted position of piston rod, crane gear continues to transfer cargo tank 1, until cargo tank 1 Entirely fall within described bearing 91, complete the lifting of cargo tank 1.After lifting is good, as required can be by oblique guide plate 51 He Vertical guide plate 52 removes, and carries out follow-up associative operation.
In sum, the hanging method of A type cargo tank of the present invention, it is possible to realize the integral hoisting of cargo tank, shortens boats and ships overall Construction period.So, the present invention effectively overcome practical problems more of the prior art thus have the highest value and Use meaning.
The principle of the above-mentioned embodiment only illustrative present invention and effect thereof, not for limiting the present invention.The present invention also has Many aspects can improve on the premise of overall thought, all can be without prejudice to this for those skilled in the art Under the spirit and the scope of invention, above-described embodiment can be modified or change.Therefore, such as art has logical All equivalences that often skill is completed under without departing from disclosed spirit and technological thought are modified or change, Reng Yingyou The claim of the present invention is contained.

Claims (6)

1. a hanging method for A type cargo tank, including cargo tank, the end face of described cargo tank is provided with floatation stopping device, and its feature exists In, described floatation stopping device includes top board, connects at least one and set along beam of hull direction between the end face of top board and described cargo tank The connecting plate put, the both sides of described connecting plate are connected with multiple floor respectively, and described floor is fixed with connecting plate and cargo tank end face Connecting, described top board is parallel with the end face of cargo tank, and the hanging method of described cargo tank comprises the following steps:
One, the left and right sides at described floatation stopping device connecting plate arranges the bracket that at least one pair of position is corresponding, and at described bracket Upper offer the first lifting hole(eyelet) respectively, described connecting plate is offered the second lifting hole(eyelet);
Two, being lifted cargo tank by crane gear, described crane gear includes the row of hanging, described in the row of hanging be provided with many lifting ropes, Lifting rope lower end is equipped with snap ring, and the described row of hanging moves to during lifting the top of cargo tank, and lifting rope is transferred, by snap ring respectively with First lifting hole(eyelet), the second lifting hole(eyelet) are connected;
Three, lifting cargo tank, crane gear controls the row of hanging and moves with cargo tank, is provided with and places presetting of cargo tank in described hull Position, described predeterminated position bottom surface is provided with multiple bearing, arrives when cargo tank is positioned at the surface tapping cargo hold at present of predeterminated position On the bearing of described predeterminated position, finally pull down the snap ring on each floatation stopping device and complete lifting.
The hanging method of A type cargo tank the most according to claim 1, it is characterised in that: in step one, at described bracket Both sides are respectively provided with web, and described first lifting hole(eyelet) passes web.
The hanging method of A type cargo tank the most according to claim 1, it is characterised in that: in step one, at described connecting plate Both sides be respectively provided with web, described second lifting hole(eyelet) pass web.
The hanging method of A type cargo tank the most according to claim 1, it is characterised in that: in step 2, same floatation stopping device On all lifting ropes collect in the middle of one on suspension hook, described middle suspension hook is connected with the row of hanging by a transition lifting rope.
The hanging method of A type cargo tank the most according to claim 1, it is characterised in that: in step 3, transfer at cargo tank Before, at described predeterminated position, the vertical guide plate below oblique guide plate and oblique guide plate is set along the one end in ship length direction, The upper end of described oblique guide plate tilts laterally, aligns with the upper end of vertical guide plate in lower end, along tiltedly guiding when cargo tank is transferred Plate and vertical guide plate enter predeterminated position.
The hanging method of A type cargo tank the most according to claim 1, it is characterised in that: in step 3, set at hull sidewall Put multiple oil cylinder, when cargo tank apart from the distance of described bearing in 30~50cm time, stop transferring, regulate liquid by oil cylinder Cargo hold position in the horizontal direction, after adjusting, continues to transfer to described bearing cargo tank.
CN201510455923.0A 2015-07-29 2015-07-29 The hanging method of A type cargo tanks Active CN105857528B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510455923.0A CN105857528B (en) 2015-07-29 2015-07-29 The hanging method of A type cargo tanks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510455923.0A CN105857528B (en) 2015-07-29 2015-07-29 The hanging method of A type cargo tanks

Publications (2)

Publication Number Publication Date
CN105857528A true CN105857528A (en) 2016-08-17
CN105857528B CN105857528B (en) 2017-10-03

Family

ID=56624077

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510455923.0A Active CN105857528B (en) 2015-07-29 2015-07-29 The hanging method of A type cargo tanks

Country Status (1)

Country Link
CN (1) CN105857528B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111422298A (en) * 2020-04-17 2020-07-17 上海外高桥造船有限公司 Hoisting mechanism for sectional assembly of double-layer bottom of bulk cargo ship

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1587015A (en) * 2004-07-13 2005-03-02 沪东中华造船(集团)有限公司 Movable guide and positioning device for hoisting liquid tank and its mounting method
CN103332592A (en) * 2013-06-27 2013-10-02 张家港凯航通力船用设备有限公司 Overturning lifting appliance for hatch cover girder
CN203461674U (en) * 2013-02-28 2014-03-05 李敬泉 Balance crossbeam for hoisting large-sized ship cargo compartment and small brace rod matched with balance crossbeam
CN103832543A (en) * 2014-03-19 2014-06-04 上海江南长兴重工有限责任公司 Installing structure of liquid tank of large liquefied gas carrier and installation locating method of liquid tank
CN205442370U (en) * 2016-02-26 2016-08-10 江南造船(集团)有限责任公司 Whole horse mounting structure and fluid reservoir of hanging of fluid reservoir

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1587015A (en) * 2004-07-13 2005-03-02 沪东中华造船(集团)有限公司 Movable guide and positioning device for hoisting liquid tank and its mounting method
CN203461674U (en) * 2013-02-28 2014-03-05 李敬泉 Balance crossbeam for hoisting large-sized ship cargo compartment and small brace rod matched with balance crossbeam
CN103332592A (en) * 2013-06-27 2013-10-02 张家港凯航通力船用设备有限公司 Overturning lifting appliance for hatch cover girder
CN103832543A (en) * 2014-03-19 2014-06-04 上海江南长兴重工有限责任公司 Installing structure of liquid tank of large liquefied gas carrier and installation locating method of liquid tank
CN205442370U (en) * 2016-02-26 2016-08-10 江南造船(集团)有限责任公司 Whole horse mounting structure and fluid reservoir of hanging of fluid reservoir

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
张志荣等: "浅谈16500m_3LPG船液罐吊装工艺要求", 《黑龙江科技信息》 *
邵逸峰等: "83000m_3超大型液化气船液货舱整体吊装强度分析", 《中外船舶科技》 *
邵逸峰等: "83000m~3超大型液化气船液货舱整体吊装强度分析", 《舰船科学技术》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111422298A (en) * 2020-04-17 2020-07-17 上海外高桥造船有限公司 Hoisting mechanism for sectional assembly of double-layer bottom of bulk cargo ship

Also Published As

Publication number Publication date
CN105857528B (en) 2017-10-03

Similar Documents

Publication Publication Date Title
CN202464087U (en) Double bottom structure of liquid cargo tank
CN105484162B (en) Suspension bridge construction stiff girder secondary on the bank swings moving device and method
CN105523140A (en) Support structure between C-shaped liquid cargo tank and inner bottom of hull and installation method thereof
CN109823467A (en) Orange juice shipload storehouse deck block hoisting
CN106320182A (en) Suspension bridge bank slope beam section long sling swing-shifting mounting device and method
CN206052568U (en) The long hoist cable of suspension bridge bank slope beam section swings shifting erecting device
US20150217838A1 (en) Method for lowering and hoisting of a load to or from an ocean floor
CN104828758A (en) Thermal power generating unit draught fan structure support overall transfer device and transfer method
CN103213654B (en) A kind of method of construction of platform
CN102381438B (en) Wholly lifting mounting method for wholly built upstairs stem section of large-size semi-submerged ship
CN107313350A (en) A kind of marine integral hoisting method of profile iron Sarasota
CN105857528A (en) Hoisting method for A-type liquid cargo tank
CN202658590U (en) Integral assembled drilling platform
CN103171976B (en) Hoisting method for shipyard gantry crane
CN109399444A (en) Caisson Automatic coupling and decoupling hook and caisson hoisting
CN105947910B (en) The hoisting of FPSO crane superstructures
CN102659028B (en) Double-body movable self-elevating crane ship
CN208430499U (en) Large scale ship counterweight catch fixed pattern installation and repairing construction system
CN104120702A (en) Efficient installation system and installation method of large-scale concrete balance weight block of vertical ship lift
CN205369040U (en) Suspension bridge is under construction on bank stiffening beam secondary and is swung and move device
CN202687806U (en) Two-body movable self-elevating crane ship
CN202655839U (en) Movable pipe truss assembling clamping fixture
CN106241624B (en) The hanging method of a variety of different size modules
CN209322301U (en) Caisson Automatic coupling and decoupling hook
CN103979442A (en) Method for lifting Fischer-Tropsch reactor by 6400t hydraulic combined crane

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20181226

Address after: 201913 No. 988 Changxing Jiangnan Avenue, Chongming County, Chongming District, Shanghai

Patentee after: Jiannan Shipbuilding (Group) Co., Ltd.

Address before: 201913 1888 Jiangnan Avenue, Changxing Township, Chongming County, Shanghai

Patentee before: Shanghai Jiangnan Changxing Heavy Industry Co.,Ltd.