CN203145000U - Self-locking lifting device suitable for self-elevating platform - Google Patents
Self-locking lifting device suitable for self-elevating platform Download PDFInfo
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- CN203145000U CN203145000U CN2013200880093U CN201320088009U CN203145000U CN 203145000 U CN203145000 U CN 203145000U CN 2013200880093 U CN2013200880093 U CN 2013200880093U CN 201320088009 U CN201320088009 U CN 201320088009U CN 203145000 U CN203145000 U CN 203145000U
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- 230000000694 effects Effects 0.000 claims description 11
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 230000002493 climbing Effects 0.000 abstract description 4
- 238000007790 scraping Methods 0.000 abstract description 3
- 230000001429 stepping Effects 0.000 abstract 2
- 230000002035 prolonged Effects 0.000 abstract 1
- 230000001105 regulatory Effects 0.000 abstract 1
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000630 rising Effects 0.000 description 1
Abstract
The utility model relates to a self-locking lifting device suitable for a self-elevating platform, which consists of a pile leg, an upper fixed ring beam, a pile cylinder, a lifting oil cylinder, a movable ring beam, a lower fixed ring beam and pile locking mechanisms. The upper fixed ring beam and the lower fixed ring beam are respectively welded on the inner wall of the pile cylinder; the pile locking mechanisms are respectively and symmetrically arranged on the upper end face of the upper fixed ring beam and on the lower end faces of the movable ring beam and the lower fixed ring beam in pairs; the lower end face of the upper fixed ring beam is connected with the lifting oil cylinder; the bottom end of the lifting oil cylinder is connected with the upper end face of the movable ring beam; and each pile locking mechanism consists of a pile locking oil cylinder, a pile locking spring, a supporting member, an upper pile locking plate and a lower pile locking plate. Time spent by an original stepping type hydraulic lifting device in regulating, aligning, inserting and pulling out a pile is reduced; the self-locking lifting device is more convenient and rapid to operate; compared with using the original stepping type hydraulic lifting device, the climbing speed of the platform when the self-locking lifting device is used is improved by about 20 percent; and meanwhile, automatic alignment of the ring beams relative to the pile leg can be implemented, scraping between the ring beams and the pile leg is reduced and service life of the platform is prolonged.
Description
Technical field
The utility model relates to lifting gear, relates in particular to a kind of lifting gear that lock stud mechanism realizes auto-lock function that passes through for marine jack-up unit.Belong to offshore oil engineering field.
Background technology
In ocean engineering, being of wide application of jack-up unit, because of its have removable, in place fast, characteristics such as easy construction, all brought into play important function in various aspects such as oil reservoir exploration in early stage, offshore platform brill, well workover, platform device maintenance, small oil field exploitations.At present the jack-up unit of China with this function has: the number of improving oneself, support oneself number, No. 3, No. 5, South Sea, offshore oil 161, middle tide etc., these platforms have been equipped lifting gear for realizing lifting.Existing platform lifting device mainly contains pinion and-rack lifting gear and two kinds of patterns of step type hydraulic lifting gear, compare with the pinion and-rack lifting gear, the step type hydraulic lifting gear has the accuracy of manufacture and requires low, advantages such as stable working reliable, cost economic, but whenever climb a step for the step type hydraulic lifting gear, all need just can make movable ring beam align and lock by electric or hydraulic means ACTIVE CONTROL, adjustment, climbing speed is slow.
Present patent application has proposed a kind of self-locking type lifting device that is applicable to jack-up unit that can use the self-locking type lifting device just can realize the jack-up unit fast lifting just under this background.
Summary of the invention
Main purpose of the present utility model is to overcome the above-mentioned shortcoming that prior art exists, and provide a kind of self-locking type lifting device that is applicable to jack-up unit, it has reduced the time that the adjustment of former step type hydraulic lifting gear aligned, plugged stake, it is more convenient to operate, and the platform climbing speed uses former step type hydraulic lifting gear to improve about 20%; Can realize simultaneously the automatic centering of the relative spud leg of ring beam, reduce the scraping between ring beam and spud leg, improve the application life of platform.
The purpose of this utility model is realized by following technical scheme:
A kind of self-locking type lifting device that is applicable to jack-up unit, by spud leg, on fixedly ring beam, stake tube, hoist cylinder, movable ring beam, time fixedly ring beam, lock stud mechanism form, it is characterized in that: on fixedly ring beam, down fixedly ring beam is welded in a stake tube inwall respectively, lock stud mechanism is symmetricly set in fixedly ring beam upper surface and movable ring beam, fixing ring beam lower surface down respectively in twos, going up fixedly, the ring beam lower surface connects hoist cylinder, connection activity ring beam upper surface, hoist cylinder bottom.
Described lock stud mechanism by lock stud oil cylinder, lock stud spring, supporting member, go up the lock stud plate and down the lock stud plate form, lock stud oil cylinder one end is by bolt axle and hinged away from the spud leg supporting member, the other end is connected with the lock stud spring, the lock stud oil cylinder piston is connected with last lock stud plate, following lock stud plate respectively, and the bottom of last lock stud plate, following lock stud plate is respectively with hinged near the spud leg supporting member.
Equidistantly be provided with on the described spud leg and hold piece under the arm, holding piece upper/lower terminal face under the arm is the inclined-plane.
The described top ends that goes up lock stud plate, following lock stud plate is the inclined-plane.
Described lock stud oil cylinder is provided with displacement transducer.
The beneficial effects of the utility model: the utility model is owing to adopt technique scheme, it has reduced the time that the adjustment of former step type hydraulic lifting gear aligned, plugged stake, it is more convenient to operate, and the platform climbing speed uses former step type hydraulic lifting gear to improve about 20%; Can realize simultaneously the automatic centering of the relative spud leg of ring beam, reduce the scraping between ring beam and spud leg, improve the application life of platform.
Below in conjunction with drawings and Examples the utility model is described further.
Description of drawings:
Fig. 1 is the utility model structural representation.
Major label description in figure:
1-spud leg; 2-on fixing ring beam; 3-stake tube; 4-hoist cylinder; 5-movable ring beam; 6-following fixedly ring beam; 7-lock stud oil cylinder; 8-lock stud spring; 9-upward lock stud plates; 10-following lock stud plate; 11-hold piece under the arm; 12-lock stud mechanism; 13-supporting member; 14-lock stud oil cylinder piston.
The specific embodiment
As shown in Figure 1, the utility model be provided with by spud leg 1, on fixedly ring beam 2, stake tube 3, hoist cylinder 4, movable ring beam 5, fixedly ring beam 6, lock stud mechanism 12 down, wherein going up fixedly, ring beam 2, following fixedly ring beam 6 are welded in stake tube 3 inwalls respectively, lock stud mechanism 12 is symmetricly set in fixedly ring beam 2 upper surfaces and movable ring beam 5, fixing ring beam 6 lower surfaces down respectively in twos, going up fixedly, ring beam 2 lower surfaces connect hoist cylinder 4, connection activity ring beam 5 upper surfaces, hoist cylinder 4 bottom.
Lock stud mechanism 12 is made up of lock stud oil cylinder 7, lock stud spring 8, supporting member 13, last lock stud plate 9 and following lock stud plate 10, lock stud oil cylinder 7 one ends are by bolt axle and hinged away from spud leg 1 supporting member 13, the other end is connected with lock stud spring 8, lock stud oil cylinder piston 14 is connected with last lock stud plate 9, following lock stud plate 10 respectively, and last lock stud plate 9, following lock stud plate 10 bottoms are respectively with hinged near spud leg 1 supporting member 13.
The utility model can be realized 4 elemental motions, is respectively platform rising, platform decline, pile pulling, pitching pile.
Platform rises and the decline initial position: on fixedly ring beam 2 lock stud oil cylinders 7 shrink, on fixedly last lock stud plate 9 releases of ring beam 2; Hoist cylinder 7 contraction states; Fixedly ring beam 6 lock stud oil cylinders 7 stretch out down, following lock stud plate 10 lockings of following fixedly ring beam 6; Fixedly the following lock stud plate 10 of ring beam 6 contacts with holding piece 11 upper surfaces under the arm down, bears platform weight; Movable ring beam 5 lock stud oil cylinders 7 stretch out, following lock stud plate 10 lockings of movable ring beam 5.
Platform rises:
Initial position: the weight of following fixedly ring beam 6 support platforms and stake tube 3, movable ring beam 5 and fixedly lock stud oil cylinder 7 pressure releases of ring beam 6 down, lock stud oil cylinder 7 is in the state of stretching out under the effect of lock stud spring 8, on fixedly ring beam 2 lock stud oil cylinders 7 shrink;
Position 1: hoist cylinder 4 stretches out, and platform weight is transferred to movable ring beam 5, passive opening when piece 11 is held in following lock stud plate 10 contacts of following fixedly ring beam 6 under the arm, and hoist cylinder 4 stretches out step pitch half;
Position 2: hoist cylinder 4 continues to stretch out a step pitch, and the following lock stud plate 10 of following fixedly ring beam 6 enters to be held 11 gaps of piece under the arm and namely lock, and lock stud oil cylinder 7 stretches out under the effect of lock stud spring 8, following lock stud plate 10 automatic lockings of following fixedly ring beam 6;
Position 3: hoist cylinder 4 begins to shrink, and platform weight is transferred to down fixedly ring beam 6, and hoist cylinder 4 continues to shrink a step pitch, and the following lock stud plate 10 of movable ring beam 5 enters holds 11 gaps of piece under the arm, and automatic locking, and lifting gear is got back to initial position.
Platform descends:
Initial position: the weight of following fixedly ring beam 6 support platforms and stake tube 3, movable ring beam 5 and fixedly lock stud oil cylinder 7 pressure releases of ring beam 6 down, lock stud oil cylinder 7 is in the state of stretching out under the effect of lock stud spring 8, on fixedly ring beam 2 lock stud oil cylinders 7 shrink;
Position 1: hoist cylinder 4 shrinks the segment distances, holds 1/2nd of 11 spacings of piece under the arm but be no more than two, the following lock stud plate 10 of movable ring beam 5 is left hold piece 11 under the arm, and movable ring beam 5 lock stud oil cylinders 7 shrink following lock stud plate 10 releases of movable ring beam 5;
Position 2: hoist cylinder 4 stretches out a step pitch, and when the following lock stud plate 10 of movable ring beam 5 enters two when holding 11 gaps of piece under the arm, movable ring beam 5 lock stud oil cylinders 7 stretch out, following lock stud plate 10 lockings of movable ring beam 5;
Position 3: hoist cylinder 4 stretches out the segment distance, after platform weight is transferred to movable ring beam 5, and following lock stud plate 10 releases of following fixedly ring beam 6;
Position 4: hoist cylinder 4 shrinks a step pitch, and the following lock stud plate 10 of following fixedly ring beam 6 enters two and holds 11 gaps of piece under the arm and namely lock, and lock stud oil cylinder 7 stretches out under the effect of lock stud spring 8, following lock stud plate 10 automatic lockings of following fixedly ring beam 6;
Position 5: hoist cylinder 4 stretches out, and platform weight is transferred to down fixedly ring beam 6, and lifting gear is got back to initial position.
Pitching pile and pile pulling initial position: following fixedly ring beam 6 lock stud oil cylinders 7 shrink following lock stud plate 10 releases of following fixedly ring beam 6; Hoist cylinder 4 contraction states; Go up fixedly that ring beam 2 lock stud oil cylinders 7 stretch out, on fixedly the last lock stud plate 9 of ring beam 2 lock; Upward fixedly the last lock stud plate 9 of ring beam 2 contacts with holding piece 11 soffits under the arm, bears platform weight; Movable ring beam 5 lock stud oil cylinders 7 stretch out, following lock stud plate 10 lockings of movable ring beam 5.
Pitching pile:
Initial position: on the fixing weight of ring beam 2 support platforms and stake tube 3, movable ring beam 5 and 7 pressure releases of last fixedly ring beam 2 lock stud oil cylinders, lock stud oil cylinder 7 is in the state of stretching out under the effect of lock stud spring 8, following lock stud plate 10 releases of following fixedly ring beam 6;
Position 1: hoist cylinder 4 shrinks the segment distances, holds 1/2nd of 11 spacings of piece under the arm but be no more than two, the last lock stud plate 9 of ring beam 2 is left holds piece 11 under the arm, 7 contractions of lock stud oil cylinder, on fixedly last lock stud plate 9 releases of ring beam 2;
Position 2: hoist cylinder 4 stretches out a step pitch, and when the last lock stud plate 9 of last fixedly ring beam 2 enters two when holding 11 gaps of piece under the arm, lock stud oil cylinder 7 stretches out, on fixedly last lock stud plate 9 lockings of ring beam 2;
Position 3: hoist cylinder 4 stretches out the segment distance, after platform weight is transferred to fixedly ring beam 2, and following lock stud plate 10 releases of movable ring beam 5;
Position 4: hoist cylinder 4 shrinks a step pitch, and the following lock stud plate 10 of movable ring beam 5 enters two and holds 11 gaps of piece under the arm and namely lock, and lock stud oil cylinder 7 stretches out under the effect of lock stud spring 8, following lock stud plate 10 automatic lockings of movable ring beam 5;
Position 5: hoist cylinder 4 shrinks, and lifting gear is got back to initial position.
Pile pulling:
Initial position: on the fixing weight of ring beam 2 support platforms and stake tube 3, movable ring beam 5 and 7 pressure releases of last fixedly ring beam 2 lock stud oil cylinders, lock stud oil cylinder 7 is in the state of stretching out under the effect of lock stud spring 8, following lock stud plate 10 releases of following fixedly ring beam 6;
Position 1: an about step pitch is stretched out in movable ring beam 5 releases, hoist cylinder 4, and when the following lock stud plate 9 of movable ring beam 5 enters two when holding 11 gaps of piece under the arm, movable ring beam 5 lock stud oil cylinders 7 stretch out, following lock stud plate 10 lockings of movable ring beam 5;
Position 2: 5 lockings of movable ring beam, hoist cylinder 4 continues to shrink a step pitch, spud leg 1 rises, on fixedly the last lock stud plate 9 of ring beam 2 enter two and hold 11 gaps of piece under the arm;
Position 3: hoist cylinder is stretched 4 and is gone out, and platform weight is transferred to fixedly ring beam 2, and lifting gear is got back to initial position.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment does.
Claims (5)
1. self-locking type lifting device that is applicable to jack-up unit, by spud leg, on fixedly ring beam, stake tube, hoist cylinder, movable ring beam, time fixedly ring beam, lock stud mechanism form, it is characterized in that: on fixedly ring beam, down fixedly ring beam is welded in a stake tube inwall respectively, lock stud mechanism is symmetricly set in fixedly ring beam upper surface and movable ring beam, fixing ring beam lower surface down respectively in twos, going up fixedly, the ring beam lower surface connects hoist cylinder, connection activity ring beam upper surface, hoist cylinder bottom.
2. a kind of self-locking type lifting device that is applicable to jack-up unit according to claim 1, it is characterized in that: lock stud mechanism is made up of lock stud oil cylinder, lock stud spring, supporting member, last lock stud plate and following lock stud plate, lock stud oil cylinder one end is by bolt axle and hinged away from the spud leg supporting member, the other end is connected with the lock stud spring, the lock stud oil cylinder piston is connected with last lock stud plate, following lock stud plate respectively, and last lock stud plate, following lock stud plate bottom are respectively with hinged near the spud leg supporting member.
3. according to the described a kind of self-locking type lifting device that is applicable to jack-up unit of claim 1, it is characterized in that: equidistantly be provided with on the spud leg and hold piece under the arm, holding piece upper/lower terminal face under the arm is the inclined-plane.
4. according to the described a kind of self-locking type lifting device that is applicable to jack-up unit of claim 2, it is characterized in that: the top ends that goes up lock stud plate, following lock stud plate is the inclined-plane.
5. according to the described a kind of self-locking type lifting device that is applicable to jack-up unit of claim 2, it is characterized in that: the lock stud oil cylinder is provided with displacement transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200880093U CN203145000U (en) | 2013-02-27 | 2013-02-27 | Self-locking lifting device suitable for self-elevating platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200880093U CN203145000U (en) | 2013-02-27 | 2013-02-27 | Self-locking lifting device suitable for self-elevating platform |
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| CN203145000U true CN203145000U (en) | 2013-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013200880093U Expired - Fee Related CN203145000U (en) | 2013-02-27 | 2013-02-27 | Self-locking lifting device suitable for self-elevating platform |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452088A (en) * | 2013-09-12 | 2013-12-18 | 中国海洋石油总公司 | Jacking device for offshore platform |
| CN103572744A (en) * | 2013-10-11 | 2014-02-12 | 武汉船用机械有限责任公司 | Lifting platform |
| CN103821123A (en) * | 2014-01-21 | 2014-05-28 | 武汉船用机械有限责任公司 | Ocean platform lifting system and load measuring device for same |
| CN103938659A (en) * | 2014-03-20 | 2014-07-23 | 武汉船用机械有限责任公司 | Pile leg stroke measuring method and device and hydraulic bolt lifting system |
| CN103938602A (en) * | 2014-03-21 | 2014-07-23 | 武汉船用机械有限责任公司 | Control method for hydraulic lifting system of ocean platform |
| CN103938603A (en) * | 2014-04-29 | 2014-07-23 | 南通迪施有限公司 | Continuous lifting device and method of installation ship platform |
| CN103981847A (en) * | 2014-05-29 | 2014-08-13 | 南通航海机械集团有限公司 | Lifting mechanism of self-lifting wind power mounting platform |
| CN104110020A (en) * | 2014-06-18 | 2014-10-22 | 武汉船用机械有限责任公司 | Self-elevating ocean platform hydraulic plug lifting system |
| CN104727287A (en) * | 2015-03-06 | 2015-06-24 | 广东精铟海洋工程股份有限公司 | Hydraulic lifting device capable of automatically dropping and automatic pile dropping method thereof |
| CN104988895A (en) * | 2015-07-05 | 2015-10-21 | 黄浩 | Executing device of hydraulic lifting system for offshore platform |
| CN106087932A (en) * | 2016-07-28 | 2016-11-09 | 武汉船用机械有限责任公司 | A kind of latch elevating mechanism for jack-up unit |
| CN106149660A (en) * | 2016-06-30 | 2016-11-23 | 上海振华重工集团(南通)传动机械有限公司 | A kind of slide block type hydraulic jacking system |
| CN106498917A (en) * | 2016-09-20 | 2017-03-15 | 武汉船用机械有限责任公司 | The lowering or hoisting gear and its idler wheel mechanism of jack-up unit |
| CN106906813A (en) * | 2017-03-01 | 2017-06-30 | 武汉船用机械有限责任公司 | A kind of hydraulic bolt jacking system |
| CN109973449A (en) * | 2019-03-01 | 2019-07-05 | 武汉船用机械有限责任公司 | The hydraulic control system of hoistable platform |
-
2013
- 2013-02-27 CN CN2013200880093U patent/CN203145000U/en not_active Expired - Fee Related
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452088B (en) * | 2013-09-12 | 2015-08-05 | 中国海洋石油总公司 | The lift-up device of offshore platform |
| CN103452088A (en) * | 2013-09-12 | 2013-12-18 | 中国海洋石油总公司 | Jacking device for offshore platform |
| CN103572744A (en) * | 2013-10-11 | 2014-02-12 | 武汉船用机械有限责任公司 | Lifting platform |
| CN103572744B (en) * | 2013-10-11 | 2015-12-02 | 武汉船用机械有限责任公司 | A kind of lift platform |
| CN103821123A (en) * | 2014-01-21 | 2014-05-28 | 武汉船用机械有限责任公司 | Ocean platform lifting system and load measuring device for same |
| CN103821123B (en) * | 2014-01-21 | 2015-11-04 | 武汉船用机械有限责任公司 | Lifting of ocean platform system load-measuring device and jacking system |
| CN103938659A (en) * | 2014-03-20 | 2014-07-23 | 武汉船用机械有限责任公司 | Pile leg stroke measuring method and device and hydraulic bolt lifting system |
| CN103938659B (en) * | 2014-03-20 | 2015-11-11 | 武汉船用机械有限责任公司 | The measuring method of spud leg stroke, device and hydraulic bolt jacking system |
| CN103938602A (en) * | 2014-03-21 | 2014-07-23 | 武汉船用机械有限责任公司 | Control method for hydraulic lifting system of ocean platform |
| CN103938603A (en) * | 2014-04-29 | 2014-07-23 | 南通迪施有限公司 | Continuous lifting device and method of installation ship platform |
| CN103981847B (en) * | 2014-05-29 | 2016-03-23 | 南通航海机械集团有限公司 | The elevating mechanism of self lift type wind-powered electricity generation mounting platform |
| CN103981847A (en) * | 2014-05-29 | 2014-08-13 | 南通航海机械集团有限公司 | Lifting mechanism of self-lifting wind power mounting platform |
| CN104110020A (en) * | 2014-06-18 | 2014-10-22 | 武汉船用机械有限责任公司 | Self-elevating ocean platform hydraulic plug lifting system |
| CN104110020B (en) * | 2014-06-18 | 2016-08-10 | 武汉船用机械有限责任公司 | A kind of self-elevating ocean platform hydraulic bolt jacking system |
| CN104727287A (en) * | 2015-03-06 | 2015-06-24 | 广东精铟海洋工程股份有限公司 | Hydraulic lifting device capable of automatically dropping and automatic pile dropping method thereof |
| CN104988895A (en) * | 2015-07-05 | 2015-10-21 | 黄浩 | Executing device of hydraulic lifting system for offshore platform |
| CN106149660A (en) * | 2016-06-30 | 2016-11-23 | 上海振华重工集团(南通)传动机械有限公司 | A kind of slide block type hydraulic jacking system |
| CN106087932A (en) * | 2016-07-28 | 2016-11-09 | 武汉船用机械有限责任公司 | A kind of latch elevating mechanism for jack-up unit |
| CN106087932B (en) * | 2016-07-28 | 2018-11-13 | 武汉船用机械有限责任公司 | A kind of bolt elevating mechanism for jack-up unit |
| CN106498917A (en) * | 2016-09-20 | 2017-03-15 | 武汉船用机械有限责任公司 | The lowering or hoisting gear and its idler wheel mechanism of jack-up unit |
| CN106906813A (en) * | 2017-03-01 | 2017-06-30 | 武汉船用机械有限责任公司 | A kind of hydraulic bolt jacking system |
| CN109973449A (en) * | 2019-03-01 | 2019-07-05 | 武汉船用机械有限责任公司 | The hydraulic control system of hoistable platform |
| CN109973449B (en) * | 2019-03-01 | 2020-07-21 | 武汉船用机械有限责任公司 | Hydraulic control system of lifting platform |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| C14 | Grant of patent or utility model | ||
| C56 | Change in the name or address of the patentee |
Owner name: NEPTUNE OFFSHORE ENGINEERING DEVELOPMENT CO., LTD. Free format text: FORMER NAME: HAIWANGXING OCEAN ENGINEERING TECHNOLOGY CO., LTD, TIANJIN CITY |
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| CP01 | Change in the name or title of a patent holder |
Address after: 300384 Tianjin City, Nankai District Huayuan Industrial Park Road No. 1 Industrial Park E block six layer Patentee after: NEPTUNE OFFSHORE ENGINEERING DEVELOPMENT CO., LTD. Address before: 300384 Tianjin City, Nankai District Huayuan Industrial Park Road No. 1 Industrial Park E block six layer Patentee before: Haiwangxing Ocean Engineering Technology Co., Ltd, Tianjin City |
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| CP01 | Change in the name or title of a patent holder | ||
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Self-locking lifting device suitable for self-elevating platform Effective date of registration: 20140718 Granted publication date: 20130821 Pledgee: Bank of Hebei, Limited by Share Ltd, Tianjin branch Pledgor: NEPTUNE OFFSHORE ENGINEERING DEVELOPMENT CO., LTD. Registration number: 2014990000588 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20151103 Granted publication date: 20130821 Pledgee: Bank of Hebei, Limited by Share Ltd, Tianjin branch Pledgor: NEPTUNE OFFSHORE ENGINEERING DEVELOPMENT CO., LTD. Registration number: 2014990000588 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130821 Termination date: 20180227 |