CN110950237A - Top cover lifting appliance suitable for offshore loading and unloading of pressure vessel top cover - Google Patents
Top cover lifting appliance suitable for offshore loading and unloading of pressure vessel top cover Download PDFInfo
- Publication number
- CN110950237A CN110950237A CN201911094928.XA CN201911094928A CN110950237A CN 110950237 A CN110950237 A CN 110950237A CN 201911094928 A CN201911094928 A CN 201911094928A CN 110950237 A CN110950237 A CN 110950237A
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- China
- Prior art keywords
- pressure vessel
- top cover
- guide
- unloading
- blocks
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/62—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/62—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled
- B66C1/66—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled for engaging holes, recesses, or abutments on articles specially provided for facilitating handling thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C13/00—Pressure vessels; Containment vessels; Containment in general
- G21C13/02—Details
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The invention relates to a head spreader suitable for offshore loading and unloading of a pressure vessel head, comprising: a support plate; the guide mechanism is arranged on the support plate and is used for being matched with a guide rail arranged in a cabin of the floating type nuclear power station to realize positioning and guiding; the lifting lug is arranged on the upper end surface of the supporting plate; and the actuating mechanism is arranged on the supporting plate and used for realizing the relative fixation between the actuating mechanism and the lifting lug of the pressure vessel top cover. The top cover lifting appliance can adapt to the working conditions of inclination and swinging on the sea, performs multi-stage guiding on the installation and lifting of the top cover of the pressure vessel, is automatically connected with the top cover of the pressure vessel and prevents loosening, and meets the functional requirement of safe loading and unloading of the top cover of the pressure vessel under certain marine environmental conditions.
Description
Technical Field
The invention relates to a top cover lifting appliance, in particular to a top cover lifting appliance suitable for offshore loading and unloading of a top cover of a pressure vessel, and belongs to the field of ocean nuclear energy application.
Background
As an ocean nuclear power platform of an offshore floating type nuclear power station, the offshore floating type nuclear power station is required to be capable of realizing the automatic reactor refueling under certain ocean environment conditions. During the refueling operation of the nuclear reactor, the top cover of the reactor pressure vessel needs to be disassembled and assembled so as to realize the assembly and disassembly of the fuel assembly in the reactor. Because the top cover of the reactor pressure vessel bears the function of the pressure boundary of the reactor, the sealing surface needs to be strictly protected in the dismounting process, meanwhile, the assembly precision requirement between the top cover of the reactor pressure vessel and the reactor body is high, the centering, the posture and the orientation in the dismounting process have strict requirements, and a special lifting appliance needs to be equipped to realize the dismounting operation.
When the top cover is dismantled to land nuclear power station, install the pressure vessel guide pin earlier, be connected top cover hoist and pressure vessel top cover by the staff again, the ring hangs and lifts by crane the pressure vessel top cover, and the handling is to the storage position, except guide pin cooperation section, whole no direction. In the installation process of the top cover of the pressure container, a worker pulls a steel wire rope to assist in completing initial positioning, and then the pressure container is matched with a guide bolt to perform final positioning. Although the technology of the top cover lifting appliance of the onshore nuclear power station is mature, under the condition of offshore inclined swinging, the pressure vessel top cover has heavy weight and larger inertia force, and cannot be pulled by workers to assist in installation and positioning, and meanwhile, the unconstrained guiding of the pressure vessel top cover in the lifting process also cannot meet the safety requirement. Therefore, the roof lifting appliance equipped for the land nuclear power plant is no longer suitable for offshore loading and unloading operation of the pressure vessel roof of the offshore floating nuclear power plant.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the top cover lifting appliance suitable for offshore loading and unloading of the pressure container top cover, the top cover lifting appliance can adapt to the working conditions of offshore inclination and swinging, multi-stage guiding is carried out on the installation and lifting of the pressure container top cover, the top cover lifting appliance is automatically connected with the pressure container top cover and is anti-loose, and the functional requirement of safe loading and unloading of the pressure container top cover under certain marine environmental conditions is met.
The technical scheme adopted for realizing the aim of the invention is a top cover lifting appliance suitable for offshore loading and unloading of a top cover of a pressure vessel, which comprises:
a support plate;
the guide mechanism is arranged on the supporting plate and used for positioning and guiding the top cover of the pressure container;
the lifting lug is arranged on the upper end surface of the supporting plate;
and the actuating mechanism is arranged on the supporting plate and is used for realizing relative fixation with the top cover of the pressure vessel.
In the technical scheme, a support is arranged on the support plate, two support blocks are arranged on the support, bayonets are formed between the two support blocks at intervals, and through holes are formed in the corresponding positions of the two support blocks respectively; the actuating mechanism comprises a cylinder body, a push rod and a connecting pin, the left end of the push rod is connected with the inside of the cylinder body of a hydraulic device or an air pressure device, the right end of the push rod is connected with the left end of the connecting pin, an upward boss is arranged at the right end of the connecting pin, and when the push rod is pushed out to the limit position rightwards, the right end of the connecting pin penetrates through the through holes of the two supporting blocks.
In the technical scheme, the guide mechanism comprises an outer guide device, and the outer guide device is used for guiding after being matched with a guide rail of a cabin of the floating type nuclear power station.
Furthermore, the outer guide device comprises two guide blocks which are symmetrically arranged, the guide blocks are provided with concave notches, the orientations of the concave notches of the two guide blocks are opposite or opposite, and the guide rail is clamped into the concave notches.
In the above technical solution, the guide mechanism further includes an inner guide device, and the inner guide device includes a guide groove disposed at the edge of the support plate.
Furthermore, the pressure vessel top cap is also provided with a guide hole, a guide bolt is arranged on the cylinder body of the pressure vessel, and the guide hole is matched with the guide bolt in size and used for realizing guidance.
The top cover lifting appliance has the following advantages:
1. the multi-stage guide is realized by coarse-to-fine positioning accuracy, the precision requirement of guide equipment can be reduced through reasonably distributing the guide precision grade, the integral manufacturing difficulty is reduced, and the operation efficiency is improved.
2. The guide mechanism guides the pressure vessel top cover in the lifting process in the whole process, and the pressure vessel top cover is guaranteed not to be collided and damaged under the working conditions of inclination and swinging on the sea.
3. The automatic connecting device has the advantages that the actuating mechanism is adopted, the power source is utilized to drive the connecting pin, automatic connection is realized, meanwhile, the boss is utilized to realize looseness prevention, the structure is simple, safety and reliability are realized, the operation is simple and convenient, and the efficiency is high.
The top cover lifting appliance can perform high-precision positioning, quick connection and loosening prevention under the working conditions of offshore tilting and swinging, has a simple and reliable structure and high efficiency, is suitable for offshore loading and unloading of the top cover of the pressure vessel, and meets the requirement of an offshore floating type nuclear power station for autonomous refueling.
Drawings
Fig. 1 is a front view of a head spreader of the present invention suitable for offshore loading and unloading of a pressure vessel head.
Fig. 2 is a top view of the head spreader of fig. 1.
Fig. 3 is a schematic top view of another embodiment of the present invention.
FIG. 4 is a schematic diagram of the actuator of the present invention prior to connection.
FIG. 5 is a schematic diagram of the actuator of the present invention after connection.
Fig. 6 is a schematic diagram of the state of the actuator after the pressure vessel top cover is lifted according to the present invention.
Fig. 7 is a schematic diagram of the third level of guiding of the pressure vessel roof through the cooperation of the guide holes and the guide pins when the pressure vessel roof is installed by using the roof lifting appliance of the present invention.
Reference numbers in the figures: 1-support plate, 1.1-guide groove; 2-support and 2.1-bayonet; 3. the device comprises an actuating mechanism, 3.1-connecting pins, 3.2-bosses, 3.3-push rods and 3.4-cylinder bodies; 4-lifting lugs of the lifting appliance; 5-guide block, 5.1-notch; 6-pressure vessel top cover, 6.1-pressure vessel top cover lifting lug and 6.2-pressure vessel top cover guide hole; 7-pressure vessel cylinder; 8-a guide bolt; 9-roof sling.
Detailed Description
The invention is described in further detail below with reference to the figures and the specific embodiments.
As shown in fig. 1 and 2, the head lifting device suitable for offshore loading and unloading of the pressure vessel head comprises a support plate 1, a guide mechanism, a lifting device lifting lug 4 and an actuating mechanism 3, wherein the guide mechanism is arranged on the support plate 1 and is used for positioning and guiding the pressure vessel head 6; the lifting lug 4 of the lifting appliance is arranged on the upper end surface of the supporting plate 1; the actuating mechanism 3 is arranged on the supporting plate 1 and is used for realizing relative fixation with a lifting lug 6.1 of the pressure vessel top cover 6.
The guide mechanism comprises an outer guide device, the outer guide device comprises two symmetrical guide blocks 5, the guide blocks 5 are provided with concave notches 5.1, the size of each notch 5.1 is matched with that of a guide rail of a cabin of a floating nuclear power station, the guide rails are additionally and independently arranged at corresponding positions of the cabin of the floating nuclear power station, the notches 5.1 and the guide rails provide first-level guide for the installation of a pressure container top cover, and the guide precision can be within a range of +/-5 mm. The outer guide device is provided with at least one pair of guide blocks 5, and the notches 5.1 of the pair of guide blocks 5 are oppositely or oppositely oriented, and the opposite or opposite structures of the notches 5.1 of the guide blocks 5 are respectively shown in fig. 2 and 3.
As a preferred embodiment of the present invention, the guiding mechanism further includes an inner guiding device as the second-stage guiding, the inner guiding device includes a plurality of guiding grooves 1.1 disposed on the edge of the supporting plate 1, the guiding grooves 1.1 are uniformly distributed along the circumferential direction on the edge of the supporting plate 1, in this embodiment, three guiding grooves 1.1 are provided, as shown in fig. 2 and 3, and the included angle between two adjacent guiding grooves 1.1 and the central connecting line of the supporting plate 1 is 120 °.
In order to realize the relative fixation between the support plate 1 and the pressure vessel top cover 6, the support plate 1 is provided with a support 2, the support 2 is provided with two support blocks, bayonets 2.1 are formed between the two support blocks at a certain distance, and through holes are formed in the corresponding positions of the two support blocks, as shown in fig. 4, the actuating mechanism 3 comprises a cylinder body 3.4, a push rod 3.3 and a connecting pin 3.1, the left end of the push rod 3.3 is arranged in the cylinder body 3.4, the right end of the push rod 3.3 is connected with the left end of the connecting pin 3.1, the right end of the connecting pin 3.1 is provided with an upward boss 3.2, and the boss 3.2 is used for limiting. When the push rod 3.3 is pushed out to the right to the limit position, the right end of the connecting pin 3.1 penetrates through the through holes of the two supporting blocks. The power source used by the execution mechanism of the embodiment can be a hydraulic device or a pneumatic device, the left end of the push rod 3.3 is arranged in a cylinder body 3.4 of the hydraulic device or the pneumatic device and used for realizing power output, the hydraulic device or the pneumatic device outputs power to the push rod 3.3, and the push rod 3.3 drives the connecting pin 3.1 to move so as to realize penetrating through the support 2 or exiting from the support 2. Under the non-working state, the push rod 3.3 is located at the left limit position, and the right end of the connecting pin 3.1 is lapped on the support at the moment. When the pressure vessel top cover lifting lug 6.1 is connected, the push rod 3.3 is located at the right limit position, and the connecting pin 3.1 completely penetrates through the two supporting blocks of the support 2.
The process of loading, unloading and installing the top cover of the pressure vessel on the ocean nuclear power platform by using the top cover lifting appliance comprises the following steps:
when the pressure vessel top cover 6 is disassembled, the crane is connected with the lifting lug 4 to move downwards, the notch 5.1 of the guide block 5 is matched with the guide rail arranged in the cabin of the floating type nuclear power station, the first-level guide is carried out on the downward movement of the top cover lifting tool 9, and the guide precision is +/-5 mm. When the top cover lifting appliance 9 is about to approach the upper end of the pressure vessel top cover 6, the guide groove 1.1 is matched with a guide rail arranged in a floating nuclear power station, secondary guide is carried out on the descending of the top cover lifting appliance, the guide precision is +/-2 mm, so that the pressure vessel top cover lifting lug 6.1 smoothly enters the bayonet 2.1 of the support 2, after the top cover lifting appliance 9 disclosed by the invention is located on the pressure vessel top cover 6, the push rod 3.3 of the actuating mechanism is pushed out to the right limit position, so that the connecting pin 3.1 sequentially passes through the through hole of the left support block, the through hole of the pressure vessel top cover lifting lug 6.1 located between the two support blocks (the pressure vessel top cover lifting lug 6.1 is provided with the through hole), and the through hole of the right support block, and the connecting pin 3.1 is not in contact with the. The crane lifts the lifting device lifting lug 4, the pressure vessel top cover lifting lug 6.1 is lifted in a short distance, the upper end face of the connecting pin 3.1 is in contact with the top face of the through hole of the pressure vessel top cover lifting lug 6.1 to be connected together, at the moment, the boss 3.2 is positioned on the right side of the top face of the through hole of the pressure vessel top cover lifting lug 6.1, and then the connecting pin is blocked on the right side of the pressure vessel top cover lifting lug 6.1, so that the right end of the pressure vessel top cover lifting lug 6.1 is limited in stopping through the boss 3.2, as shown in figure 6, the connecting pin 3.1 is prevented from being. The crane continues to lift the lifting device lifting lugs 4, the pressure vessel top cover 6 is separated from the pressure vessel, and the lifting process sequentially passes through the guide grooves 1.1 and the guide blocks 5 to respectively guide the disassembled pressure vessel top cover.
When the pressure vessel top cover 6 is installed, the initial state of the installation of the pressure vessel top cover 6 is the final state of the top cover after the top cover is disassembled, namely the boss 3.2 is in the state of stopping and limiting the right end of the pressure vessel top cover lifting lug 6.1, as shown in figure 6, the pressure vessel top cover can be prevented from being separated from the top cover lifting appliance in the lifting process under the inclined swinging working condition. The guide bolt 8 is installed in position on the pressure vessel cylinder 7, the pressure vessel top cover 6 is also provided with a guide hole 6.2, the size of the guide hole 6.2 is matched with that of the guide bolt 8, and the guide bolt 8 can be sleeved in the guide hole 6.2 to guide the pressure vessel top cover 6. The specific installation process is as follows: top cap hoist 9 takes pressure vessel top cap 6 to descend, and hoist lug 4 is connected to the crane descends, and the notch 5.1 of guide block 5 cooperates with the guide rail that floating nuclear power station cabin set up, carries out the first order direction down of top cap hoist 9, and the direction precision is 5mm, realizes the initial positioning of the installation of pressure vessel top cap 6. When the top cover lifting appliance 9 descends to a designated position, the guide groove 1.1 is matched with a guide rail arranged in a floating nuclear power station, the descending of the top cover lifting appliance 9 is guided for the second stage, the guiding precision is +/-2 mm, and the pressure vessel top cover guide hole 6.2 of the pressure vessel top cover 6 is in the guiding range of the guide bolt 8. The top cover lifting appliance 9 continues to descend, the guide hole 6.2 of the pressure vessel top cover 6 is sleeved on the guide bolt 8 on the pressure vessel cylinder, the guide bolt 8 is matched with the pressure vessel top cover 6 to perform third-stage guide, and the final high-precision positioning of the pressure vessel top cover 6 is completed, as shown in fig. 7. The pressure vessel top cover 6 is installed in place, the connecting pin 3.1 is in contact with the pressure vessel top cover lifting lug 6.1 at the moment, and the boss 3.2 stops and limits the right end of the pressure vessel top cover lifting lug 6.1 (as shown in figure 6). The head cover lifting appliance 9 continues to descend for a short distance and is completely located on the pressure vessel head cover 6, at the moment, the connecting pin 3.1 is not in contact with the pressure vessel head cover lifting lug 6.1 (as shown in figure 5), the boss 3.2 does not stop the pressure vessel head cover lifting lug 6.1, the push rod 3.3 of the actuating mechanism retracts to the left limit position (as shown in figure 4), the crane lifts the lifting appliance lifting lug 4, the pressure vessel head cover lifting lug 6.1 is pulled out from the two supporting blocks of the supporting seat 2, the crane starts to lift the lifting appliance lifting lug 4, the head cover lifting appliance 9 is lifted to a storage area, and the installation of the pressure vessel head cover 6 is completed.
According to the requirements of the inclination and swing degree in the marine environment, the allowable movement range of the top cover lifting appliance 9 in the up-down process along the horizontal direction is limited, and the structure size, the machining precision and the installation precision of the manufactured guide mechanism are limited, for example, the precision of the primary guide (the matching of the notch 5.1 and the guide rail) in the embodiment is in the range of +/-5 mm, the precision of the secondary guide (the matching of the guide groove 1.1 and the guide rail) in the embodiment is in the range of +/-2 mm, and the precision of the tertiary guide is determined by the structure size of the guide bolt 8.
The supporting plate 1 used in the present invention may be a circular solid plate structure, as shown in fig. 2 and 3, or may be another structure adapted to the top cover of the pressure vessel, preferably a symmetrical structure, to maintain the balance during operation, thereby better adapting to the marine environment.
Claims (7)
1. A head spreader adapted for offshore loading and unloading of a head of a pressure vessel, comprising:
a support plate;
the guide mechanism is arranged on the supporting plate and used for positioning and guiding the top cover of the pressure container;
the lifting lug is arranged on the upper end surface of the supporting plate;
and the actuating mechanism is arranged on the supporting plate and is used for realizing relative fixation with the top cover of the pressure vessel.
2. The cap spreader of claim 1, wherein: the support plate is provided with a support, the support is provided with two support blocks, bayonets are formed between the two support blocks at intervals, and through holes are formed in corresponding positions of the two support blocks respectively; the actuating mechanism comprises a cylinder body, a push rod and a connecting pin, wherein the left end of the push rod is connected with the cylinder body of a hydraulic device or an air pressure device, the right end of the push rod is connected with the left end of the connecting pin, an upward boss is arranged at the right end of the connecting pin, and when the push rod is pushed out to the limit position rightwards, the right end of the connecting pin penetrates through the through holes of the two supporting blocks.
3. The cap spreader of claim 2, wherein: the guide mechanism comprises an outer guide device, and the outer guide device is used for guiding after being matched with a guide rail of the floating type nuclear power station cabin.
4. A cap spreader adapted for offshore loading and unloading of pressure vessel caps as claimed in claim 3, wherein: the outer guide device comprises two guide blocks which are symmetrically arranged, the guide blocks are provided with concave notches, the orientations of the concave notches of the two guide blocks are opposite or opposite, and the guide rail is clamped in the concave notches.
5. A cap spreader adapted for offshore loading and unloading of pressure vessel caps as claimed in claim 3, wherein: the guide mechanism further comprises an inner guide device, and the inner guide device comprises a guide groove arranged on the edge of the support plate.
6. The cap spreader for offshore loading and unloading of pressure vessel caps as claimed in claim 4, wherein: the pressure vessel top cap still opens there is the guiding hole, is equipped with the guide bolt on the barrel of pressure vessel, the guiding hole matches with the size of guide bolt for realize the direction.
7. A cap spreader for offshore loading and unloading of pressure vessel caps according to any of claims 1 to 6, wherein: the backup pad is ring shape solid plate structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911094928.XA CN110950237A (en) | 2019-11-11 | 2019-11-11 | Top cover lifting appliance suitable for offshore loading and unloading of pressure vessel top cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911094928.XA CN110950237A (en) | 2019-11-11 | 2019-11-11 | Top cover lifting appliance suitable for offshore loading and unloading of pressure vessel top cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110950237A true CN110950237A (en) | 2020-04-03 |
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ID=69977166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911094928.XA Pending CN110950237A (en) | 2019-11-11 | 2019-11-11 | Top cover lifting appliance suitable for offshore loading and unloading of pressure vessel top cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110950237A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111710449A (en) * | 2020-05-26 | 2020-09-25 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Device for replacing radioactive waste filter element of ocean nuclear power platform |
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| CN102785991A (en) * | 2012-08-08 | 2012-11-21 | 大唐南京环保科技有限责任公司 | Denitration catalyst module lifting appliance with positioning mechanisms and lifting method |
| CN203568678U (en) * | 2013-12-02 | 2014-04-30 | 成都欧迅海洋工程装备科技有限公司 | Hyperbaric cabin hatch cover hoisting guide mechanism |
| CN104766641A (en) * | 2015-03-20 | 2015-07-08 | 中国第一重型机械集团大连加氢反应器制造有限公司 | Civilian nucleus top cover tube base cold installation and turnover device |
| CN107934736A (en) * | 2017-09-27 | 2018-04-20 | 武汉船用机械有限责任公司 | A kind of automatic connection suspender |
| CN108100865A (en) * | 2017-12-29 | 2018-06-01 | 郑州市金泽计算机网络技术有限公司 | A kind of road surface tamping apparatus hoisting mechanism |
| CN109573807A (en) * | 2018-12-06 | 2019-04-05 | 中国船舶重工集团公司第七〇九研究所 | The pressure vessel of ocean nuclear power platform reloads with top cover suspender and its hanging method |
| CN208747465U (en) * | 2018-09-20 | 2019-04-16 | 冯景娜 | A kind of adjustable hydraulic automatic grabbing beam for wearing off pin assembly position |
-
2019
- 2019-11-11 CN CN201911094928.XA patent/CN110950237A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2619262A1 (en) * | 1976-04-30 | 1977-11-10 | Kraftwerk Union Ag | Horizontal cover lifting tackle for nuclear pressure vessel - has eccentrics adjusting crane engagement point horizontally and coupled together |
| US5734690A (en) * | 1995-12-27 | 1998-03-31 | Kabushiki Kaisha Toshiba | Reactor-internal equipment handling apparatus |
| CN2598799Y (en) * | 2003-03-26 | 2004-01-14 | 李龙秀 | Tipping bin type miner's truck having new type joining device |
| CN102785991A (en) * | 2012-08-08 | 2012-11-21 | 大唐南京环保科技有限责任公司 | Denitration catalyst module lifting appliance with positioning mechanisms and lifting method |
| CN203568678U (en) * | 2013-12-02 | 2014-04-30 | 成都欧迅海洋工程装备科技有限公司 | Hyperbaric cabin hatch cover hoisting guide mechanism |
| CN104766641A (en) * | 2015-03-20 | 2015-07-08 | 中国第一重型机械集团大连加氢反应器制造有限公司 | Civilian nucleus top cover tube base cold installation and turnover device |
| CN107934736A (en) * | 2017-09-27 | 2018-04-20 | 武汉船用机械有限责任公司 | A kind of automatic connection suspender |
| CN108100865A (en) * | 2017-12-29 | 2018-06-01 | 郑州市金泽计算机网络技术有限公司 | A kind of road surface tamping apparatus hoisting mechanism |
| CN208747465U (en) * | 2018-09-20 | 2019-04-16 | 冯景娜 | A kind of adjustable hydraulic automatic grabbing beam for wearing off pin assembly position |
| CN109573807A (en) * | 2018-12-06 | 2019-04-05 | 中国船舶重工集团公司第七〇九研究所 | The pressure vessel of ocean nuclear power platform reloads with top cover suspender and its hanging method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111710449A (en) * | 2020-05-26 | 2020-09-25 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Device for replacing radioactive waste filter element of ocean nuclear power platform |
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Application publication date: 20200403 |