CN106149778B - A kind of Grab construction method - Google Patents

A kind of Grab construction method Download PDF

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Publication number
CN106149778B
CN106149778B CN201610581943.7A CN201610581943A CN106149778B CN 106149778 B CN106149778 B CN 106149778B CN 201610581943 A CN201610581943 A CN 201610581943A CN 106149778 B CN106149778 B CN 106149778B
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CN
China
Prior art keywords
grab
ship
grab bucket
anchor
control room
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Ceased
Application number
CN201610581943.7A
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Chinese (zh)
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CN106149778A (en
Inventor
张文博
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China Hong Kong Marine Technology (Beijing) Co., Ltd.
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China Hong Kong Marine Technology (beijing) Co Ltd
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Application filed by China Hong Kong Marine Technology (beijing) Co Ltd filed Critical China Hong Kong Marine Technology (beijing) Co Ltd
Priority to CN201610581943.7A priority Critical patent/CN106149778B/en
Publication of CN106149778A publication Critical patent/CN106149778A/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/46Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor
    • E02F3/47Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor with grab buckets
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/46Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor
    • E02F3/58Component parts

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Underground Or Underwater Handling Of Building Materials (AREA)

Abstract

The present invention relates to a kind of Grab construction methods, this method is using Grab and barge, anchor boat, the effective combination for sweeping shallow device, since this construction method proposes the dredging sediment in a set of feasible river (sea) domain, compared with the existing technology in rake inhale ship, twist inhale the dredging plants such as ship job area it is wide, operating speed is fast, depth of implements is big, investment is small, it is convenient to dispatch, construct after from sweeping shallowly.This method realizes the grab bucket in the dredging task in seabed by the cooperation of ship and loop wheel machine and central control room, sonar equipment is recycled to avoid the generation shallowly put after completion with shallow device is swept, compared to original dredging technology, it is physically easier to perform, reliability is stronger, has good effect especially for the biggish hard geological stratification of daily construction difficulty.

Description

A kind of Grab construction method
Technical field
The present invention relates to dredging technology fields, more particularly to the dredging operation method to underwater different geological conditions, tool Body is to be related to a kind of Grab construction method.
Background technique
It is mostly all simple when carrying out ship dredging construction to underwater different soil property in the dredging method of the prior art Ship is inhaled using rake, strand inhales the suchlike equipment such as ship and carries out dredging operation to underwater.But take above-mentioned existing simple dredging Main problem existing for equipment is: the disadvantages of job area of construction is limited, dredging plant power is smaller, low efficiency.In addition, adopting Construction cost when with above equipment dispatches that inconvenient, to sweep shallow difficulty big compared with high, equipment.Especially in the seabed operation of large area When, it is difficult to remove shallow point and reaches acceptance criteria.
The Chinese invention patent of patent No. ZL201410134803.6 discloses a kind of technique of dredging of Grab, the grab bucket The technique of dredging of ship includes ship's fix technique and construction technology, and in ship's fix technique, gyro compass signal is passed through compass Display imports HYPACK software to correct accommodation, shows that ship type normally in navigation software, the digging of the Grab of the invention The enough true display attitude of ship of bricklayer's's artistic skill, lay the groundwork to construct smoothly to carry out.Although the technique of dredging of the Grab, Ke Yiwei Smooth development the features such as carrying out place mat, also capable of really showing attitude of ship of construction, but the Grab is in seabed work, Still when having the generation shallowly put, or encounter complicated diversified geological condition, it is difficult control construction quality, and pass through Ji property is poor.
Summary of the invention
In order to overcome the above-mentioned shortcomings and deficiencies present invention in the prior art to provide a kind of Grab construction method and system, The system structure advantages of simple, economy is stronger, conducive to the geological condition that maintenance is suitable for any waters is dispatched, and solves It is swept after dredging shallowly to the great puzzlement of industry bring.Sweep shallowly refer to elimination after ship dredging construction, existing ridge in construction area Ditch, the shallow ridge, shallow area, shallow point etc..Shallowly once being formed, it is very that general Grab, rake, which inhale ship, twist suction ship construction technology, in point region What difficulty was cleared up.Furthermore the present invention also provides shallow device is swept existing for a kind of more effective shallow point of cleaning, using the construction party Method and system, moreover it is possible to have and quickly and effectively monitor water-bed situation, quickly complete the dredging work in specified waters, and prevent to construct The generation shallowly put afterwards, it is ensured that construction quality.The Grab construction method and system power are big, high-efficient, economy is strong, reliability By force, it is convenient to dispatch.
To achieve the above object the technical scheme is that a kind of Grab construction method, including preliminary step, it is special Sign is: its dredging method and system in turn include the following steps:
A: construction area dredges preceding measurement;
B: grab bucket ship positionning;
C: anchor boat casts anchor in position;
D: grab bucket is lauched;
E: central control room is debugged;
F: self propelled barge or so stays position;
G: grab bucket work;
H: left and right self propelled barge successively ships;
I: self propelled barge throws fortune;
J: it makes a return voyage and works on;
K: sonar system is monitored;
L: it sweeps shallow device and sweep shallowly;
M: Acceptance Monitoring;
N: Grab, which twists anchor displacement, to be continued to construct;
Preferably, it in the preliminary step, by required loop wheel machine, anchor boat, grab bucket, central control room, navigates certainly Barge, to sweep all installation and debugging of shallow device good.
Preferably, in the step A, by the fixed position on the bow of loop wheel machine;Grab bucket is connected with the loop wheel machine;It is described Central control room is fixed on the central location of ship;Central control room is connected by route with loop wheel machine control room.
Preferably, in the step B, the required construction area dredged accurately is sketched the contours of by positioning system Domain;The positioning includes GPS satellite positioning, the AIS positioning of ship, Beidou positioning or radiocoustic position finding.
Preferably, in the step C, the anchor boat casts anchor in position, be by anchor ship by workboat anchor and Anchor chain is thrown into water and lands, and is embedded in it in underwater soil, and the grip that anchor generates is got up with bottom consolidation, construction ship It is tethered in scheduled position securely.
Preferably, in the step D, the grab bucket is lauched, and will be grabbed bucket by the loop wheel machine being fixed on workboat It dives into the water, acts on sea bed.
Preferably, in the step E, the central control room is debugged, and is the satellite by central control room Positioning system, attitude monitoring instrument, sonar system, pressure display unit, hydralic hose winch, hydraulic cable winch, dynamicliquid pressure station, And grab bucket is debugged in high pressure or low pressure power station.
Preferably, in the step G, pass through loop wheel machine control room first to the control action of loop wheel machine in grab bucket, use The grab bucket being suspended on loop wheel machine wirerope, and by the gravity of its own, it opens grab bucket and is thrown into certain depth in water, pass through bucket Tooth cuts mud layer and closure grab bucket, to excavate and grab silt stone etc..Then by manipulating the rotary turned crane on ship, The grab bucket for filling silt stone is lifted out water surface certain altitude, circles round to the top of the self propelled barge by berthing on the quarter, opens Grab bucket is opened, the silt stone of excavation is directly discharged into self propelled barge.Grab bucket after unstowing, then by the revolution of rotary loop wheel machine, It returns at crawl, carries out next round operation, so cycle operation in cycles.
Preferably, in the step H, the quantity for the self propelled barge that can successively ship is at least two.
Preferably, it in the step L, sweeps shallow device and sweep shallowly, be to be carried out by sonar system to construction area After sweeping survey, drawing, sweeps shallow device and operation of raking is carried out to the shallow point occurred, implement Acceptance Monitoring, it is laggard to reach acceptance criteria Row subsequent region operation.
The Grab construction method, including Grab, anchor boat, barge, sonar equipment, shallow device is swept, in the preparation In step, by required loop wheel machine, anchor boat, grab bucket, central control room, self propelled barge, to sweep all installation and debugging of shallow device good.Institute Anchor boat is stated to cast anchor in position, be by anchor ship by workboat anchor and anchor chain be thrown into water and land, and keep its insertion underwater In soil, grip and the bottom consolidation that anchor generates are got up, and construction ship are tethered in securely scheduled position.Under the grab bucket Water is that grab bucket is dived into the water by the loop wheel machine being fixed on workboat, acts on sea bed.It is described to pass through loop wheel machine control room pair The control action of loop wheel machine is in grab bucket, and with the grab bucket being suspended on loop wheel machine wirerope, and by the gravity of its own, opening is grabbed Bucket is thrown into certain depth in water, cuts mud layer by bucket tooth and closure is grabbed bucket, to excavate and grab silt stone etc..Then pass through The rotary turned crane on ship is manipulated, the grab bucket for filling silt stone is lifted out water surface certain altitude, convolution to berthing exists The top of self propelled barge by ship side opens grab bucket, the silt stone of excavation is directly discharged into self propelled barge.Grabbing after unstowing Bucket, then by the revolution of rotary loop wheel machine, return at crawl, carry out next round operation, so cycle operation in cycles.It is described Construction method and system sweep shallow device in the step L and sweep shallow, be to be carried out by sonar system to construction area After sweeping survey, drawing, sweeps shallow device and operation of raking is carried out to the shallow point occurred, implement Acceptance Monitoring, it is laggard to reach acceptance criteria Row subsequent region operation.
It is an advantage of the current invention that Grab regional area can voluntarily connect sonar equipment after constructing, pass through sonar Device sweeps survey to water-bed operating area, can directly observation water bottom shallowly put situation.After sweeping survey, it can be controlled by center Room, which is directly connected to, sweeps shallow device and rakes shallow point position, it is ensured that duration and quality.
Detailed description of the invention
Fig. 1 is the flow chart of one preferred embodiment of Grab construction method according to the invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into The detailed description of one step.To make brief introduction to required flow chart in embodiment or description of the prior art below, show and Easy insight, described below is only that some embodiments of the present invention are not being paid for those of ordinary skill in the art Under the premise of creative work, other processes can also be gone out according to this Process Evolution.
Embodiment 1:
As shown in Figure 1, Grab construction method of the invention and system include: to dredge preceding measurement, ship-positioning system, grab bucket Ship construction technology, sweeps shallow device at sonar surveillance device.
In the implementation process measured before dredging, using multibeam sounding system, which belongs to underwater acoustic technology, computer skill Art, navigator fix technology and the digitlization multiple technologies such as sensor technology it is highly integrated.Multibeam sounding system is to utilize peace Emit ultra-wide beam of sound to the seabed vertical with course loaded on the acoustic array on hull bottom or towed body, receives seabed backscattering letter Number, it is handled by analog and digital signal, forms multiple wave beams, while obtained tens a seabed bands even up to a hundred and up-sampling point Bathymetric data, combined with the navigator fix of collection in worksite and attitude data, draw out high-precision, it is high-resolution number at Fruit figure.The positioning system of Grab combines GPS satellite positioning, AIS positioning and radiocoustic position finding, is the satellite by low orbit Receive ship send AIS message information be transmitted to corresponding earth station, thus allow land mechanism grasp ship associated dynamic In conjunction with the transmitter and receiver of sonar, the detection to later period target water is realized, and then realize the passback to water-bed data With the positioning and monitoring of ship.It grabs bucket after the completion of ship positionning, anchor boat casts anchor in position to the workboat, and being will by anchor ship Anchor and anchor chain on workboat, which are thrown into water, to land, and is embedded in it in underwater soil, the grip and water-bed consolidation that anchor generates Get up, construction ship is tethered in securely scheduled position.Grab bucket is lauched operation, is the division by arranging bucket position, will The loop wheel machine being fixed on workboat dives into the water grab bucket, acts on sea bed and then carries out layering slitting and excavate, then by hanging Machine control room to the control action of loop wheel machine in grab bucket, with the grab bucket being suspended on loop wheel machine wirerope, and by the gravity of its own Effect opens grab bucket and is thrown into certain depth in water, cuts mud layer by bucket tooth and closure is grabbed bucket, to excavate and grab silt stone Deng.Then by the rotary turned crane on manipulation ship, the grab bucket for filling silt stone is lifted out water surface certain altitude, is returned It is threaded to the top of the self propelled barge by berthing on the quarter, grab bucket is opened, the silt stone of excavation is directly discharged into self propelled barge.It unloads Grab bucket after sky, then by the revolution of rotary loop wheel machine, return at crawl, next round operation is carried out, is so recycled in cycles Operation.After self propelled barge is filled, throwing fortune can be successively carried out.At the same time by sonar system to construction area sweep survey, After drawing, sweeps shallow device and operation of raking is carried out to the shallow point occurred, implement Acceptance Monitoring and reached with preventing the generation shallowly put Subsequent region operation is carried out after acceptance criteria.
Embodiment 2:
In the present embodiment with embodiment 1 except that grab bucket launches a ship after operation, left and right sides ship side is stopped Barge according to geological condition difference it is dockable be that hopper ship can also be Flat boat.
Embodiment 3:
In the present embodiment with embodiment 1 except that sweep shallow device be by sonar system to fulfil assignment waters into The clear presence shallowly put after row detects, then rakes to the shallow position by sweeping shallow device.This sweep shallow device be by Multiple nets of raking that chain is constituted, rake and are fixedly installed with the drag head with harrow nail on the net, harrow nail, which is uniformly distributed, is mounted on drag head Bottom surface on, the larboard chain of net of raking, starboard chain, preceding side of a ship chain, rear side of a ship chain head and the tail be interconnected to constitute rectangle knot Structure, inner chain form diamond shape pore structure, avoid to pinpoint to sweep and shallowly sweep shallow puzzlement with repetition.
The preferred embodiment of present invention described above, is not intended to restrict the invention, it is clear that those skilled in the art can To carry out various modification and variations without departing from the spirit and scope of the present invention to the present invention.Technical solution of the present invention includes upper State the combination of embodiment.In this way, if these modifications and changes of the present invention belongs to the claims in the present invention and its equivalent technologies Within the scope of, then the present invention is also intended to include these modifications and variations.

Claims (9)

1. a kind of Grab construction method, including preliminary step, it is characterised in that: its dredging method and system successively include as follows Step:
A: construction area dredges preceding measurement;
B: grab bucket ship positionning;
C: anchor boat casts anchor in position;
D: grab bucket is lauched;
E: central control room is debugged;
F: self propelled barge or so stays position;
G: grab bucket work;
H: left and right self propelled barge successively ships;
I: self propelled barge throws fortune;
J: it makes a return voyage and works on;
K: sonar system is monitored;
L: it sweeps shallow device and sweep shallowly;
M: Acceptance Monitoring;
N: Grab, which twists anchor displacement, to be continued to construct;In the step G, first by loop wheel machine control room to the control action of loop wheel machine In grab bucket, with the grab bucket being suspended on loop wheel machine wirerope, and by the gravity of its own, opens grab bucket and be thrown into water centainly Depth cuts mud layer by bucket tooth and closure is grabbed bucket, to excavate and grab silt stone;Then by rotary on manipulation ship The grab bucket for filling silt stone is lifted out water surface certain altitude by turned crane, is circled round to the self propelled barge by berthing on the quarter Top, open grab bucket, the silt stone of excavation is directly discharged into self propelled barge;Grab bucket after unstowing, then pass through rotary lifting The revolution of machine, returns at crawl, carries out next round operation, so cycle operation in cycles;Grab regional area has been constructed Sonar equipment is voluntarily connected after finishing, the survey of sweeping by sonar equipment to water-bed operating area, position feelings are shallowly put at direct observation water bottom Condition;After sweeping survey, directly it is connected to by central control room and sweeps shallow device and rake shallow point position.
2. Grab construction method as described in claim 1, it is characterised in that:, will be required in the preliminary step Loop wheel machine, anchor boat, grab bucket, central control room, self propelled barge, to sweep all installation and debugging of shallow device good.
3. Grab construction method as claimed in claim 2, it is characterised in that: in the step A, loop wheel machine is fixed on ship Head position;Grab bucket is connected with the loop wheel machine;The central control room is fixed on the central location of ship;Central control room passes through Route is connected with loop wheel machine control room.
4. Grab construction method as described in claim 1, it is characterised in that: in the step B, pass through positioning system standard True sketches the contours of the required construction area dredged;The positioning includes GPS satellite positioning, the AIS positioning of ship, Beidou Positioning or radiocoustic position finding.
5. Grab construction method as described in claim 1, it is characterised in that: in the step C, the anchor boat casts anchor In position, be by anchor ship by workboat anchor and anchor chain be thrown into water and land, and be embedded in it in underwater soil, anchor generates Grip with the bottom consolidation get up, construction ship is tethered in securely scheduled position.
6. Grab construction method as described in claim 1, it is characterised in that: in the step D, the grab bucket is lauched, It is that grab bucket is dived into the water by the loop wheel machine being fixed on workboat, acts on sea bed.
7. Grab construction method as described in claim 1, it is characterised in that: in the step E, the central control room It is debugged, is by the global position system of central control room, attitude monitoring instrument, sonar system, pressure display unit, hydraulic glue Grab bucket is debugged in pipe winch, hydraulic cable winch, dynamicliquid pressure station and high pressure or low pressure power station.
8. Grab construction method as described in claim 1, it is characterised in that: in the step H, what is successively shipped navigates certainly The quantity of barge is at least two.
9. Grab construction method as described in claim 1, it is characterised in that: in the step L, sweep shallow device and swept Shallowly, it is to be carried out after sweeping survey, drawing by sonar system to construction area, sweeps shallow device and work of raking is carried out to the shallow point occurred Industry implements Acceptance Monitoring, carries out subsequent region operation after reaching acceptance criteria.
CN201610581943.7A 2016-07-25 2016-07-25 A kind of Grab construction method Ceased CN106149778B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN106149778A CN106149778A (en) 2016-11-23
CN106149778B true CN106149778B (en) 2019-02-22

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005030135A (en) * 2003-07-10 2005-02-03 Nishimatsu Constr Co Ltd Dredging device and dredging method by use of grab bucket
CN104196068A (en) * 2014-07-24 2014-12-10 冯承渭 Grab bucket type energy-saving dredger
CN104278657A (en) * 2014-10-24 2015-01-14 张文博 Dredging method
CN105421286A (en) * 2015-10-27 2016-03-23 中交天航南方交通建设有限公司 Combined rock excavation construction method using backhoe dredger and drill ship
JP2016118060A (en) * 2014-12-22 2016-06-30 株式会社西村組 Dredging method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005030135A (en) * 2003-07-10 2005-02-03 Nishimatsu Constr Co Ltd Dredging device and dredging method by use of grab bucket
CN104196068A (en) * 2014-07-24 2014-12-10 冯承渭 Grab bucket type energy-saving dredger
CN104278657A (en) * 2014-10-24 2015-01-14 张文博 Dredging method
JP2016118060A (en) * 2014-12-22 2016-06-30 株式会社西村組 Dredging method
CN105421286A (en) * 2015-10-27 2016-03-23 中交天航南方交通建设有限公司 Combined rock excavation construction method using backhoe dredger and drill ship

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Effective date of registration: 20171121

Address after: 100080 2-129 storey commercial building 66, Zhongguancun East Road, No. 1, Beijing, Haidian District 3

Applicant after: China Hong Kong Marine Technology (Beijing) Co., Ltd.

Address before: 300000 Tianjin City, Hexi District Liberation Road mizue garden, building 2 101 4 yuan

Applicant before: Zhang Wenbo

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Application publication date: 20161123

Assignee: Zhejiang Zhoushan Heng Jia Port Engineering Co., Ltd.

Assignor: China Hong Kong Marine Technology (Beijing) Co., Ltd.

Contract record no.: 2018110000014

Denomination of invention: Construction method of grab dredger

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