CN102513715B - Deck plate welding process on basis of multi-stage hydraulic jacking device - Google Patents
Deck plate welding process on basis of multi-stage hydraulic jacking device Download PDFInfo
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- CN102513715B CN102513715B CN2011104392802A CN201110439280A CN102513715B CN 102513715 B CN102513715 B CN 102513715B CN 2011104392802 A CN2011104392802 A CN 2011104392802A CN 201110439280 A CN201110439280 A CN 201110439280A CN 102513715 B CN102513715 B CN 102513715B
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Abstract
The invention discloses a deck plate welding process on the basis of a multi-stage hydraulic jacking device, which includes: (1), placing deck plates on short piers to be subjected to downward welding; (2), jacking one of the welded deck plates onto a flat-bed transport car through the multi-stage jacking device and then placing the welded deck plate on a flat bed of the flat-bed transport car; (3), conveying the deck plate to the lower side of a gantry crane through the flat-bed transport car, lifting the deck plate by a lift lug, and then withdrawing the flat-bed transport car; (4), turning the deck plate 180 degrees by the gantry crane and then placing the turned deck plate onto the flat-bed transport car; (5), conveying the deck plate back to a welding site by the flat-bed transport car, jacking the deck plate by the multi-stage jacking device until the deck plate is separated from the transport car, withdrawing the flat-bed transport car, then placing the deck plate onto the short piers again by the multi-stage jacking device, and finally welding the deck plate. By the deck plate welding process on the basis of the multi-stage hydraulic jacking device, welding strength is reduced and auxiliary operation time is shortened greatly.
Description
Technical field
The present invention relates to deck plate welding process, relate in particular to the deck plate welding process based on the multistage hydraulic jacking apparatus.
Background technology
It is large that large structure has structure, the characteristics such as multilayer space, and the deck plate welding of every layer accounts for more than 50% of whole welding jobs, how to improve the key that deck plate welding quality and efficient are manufacture processes.Welding minute downhand welding, overhead welding, vertical position welding etc. mode, wherein downhand welding is most effective, and welding quality is the most easily controlled, and general welding is wished to implement by downhand welding; Simultaneously in welding process, welder's welding and assembling height can be operating as the best (low level construction method) on the people ground of standing, too low easy fatigue, surpass 2 meters needs scaffoldings and carry out (high-order construction method), relate to work high above the ground, need simultaneously the auxiliary work post of scaffolding to participate in, not only affect welding efficiency, greatly increase welding cost.
Deck plate needs large-scale facility, generally adopts large-sized gantry to hang or crawler crane, crawler crane purchase need several ten million and maintenance cost very high, few use or without crawler crane equipment, to reduce production costs significantly as far as possible in production process.
Summary of the invention
The object of the invention is to overcome the deficiency of prior art, a kind of welding quality and efficient of greatly having improved is provided, also significantly reduced the large deck plate welding process based on the multistage hydraulic jacking apparatus of service working time simultaneously.
Deck plate welding process based on the multistage hydraulic jacking apparatus of the present invention, it comprises the following steps:
(1) deck plate is placed on carries out downhand welding welding on short pad pier;
(2) deck plate of will one side welding completing by the jacking of multistage hydraulic jacking apparatus to more than flat carrier and be placed on the flat board of flat carrier, described multistage hydraulic jacking apparatus comprises the oil pump that is connected with oil groove by in-line, the outlet of described oil pump is connected by the import of fuel-displaced pipeline with a three-way four-position valve, be connected with overflow valve on described fuel-displaced pipeline, the first hydraulic fluid port of described three-way four-position valve is connected by the import of the first oil pipe with the first oil path distributor, a plurality of outlets of described the first oil path distributor are respectively by the import one by one corresponding connection setting of connecting line with a plurality of oil cylinders, be respectively arranged with flow control valve and two two-way valves on each described connecting line, the outlet of described a plurality of oil cylinders respectively with the import of the second oil path distributor one by one corresponding connection arrange, the outlet of described the second oil path distributor is connected with the second hydraulic fluid port of described three-way four-position valve by the second oil pipe,
(3) by flat carrier, deck plate is transported to below straddle truck, by the hanger that is welded in advance on deck plate, deck plate is lifted by crane, then flat carrier withdraws from;
(4) deck plate is utilized 180 ° of straddle truck upsets, and then the deck plate that will overturn after 180 ° is placed on flat carrier;
(5) with flat carrier, deck plate is transported reflow and connect the place, carry out jacking by the multistage hydraulic jacking apparatus, deck plate is pushed up from travelling bogie, then flat carrier withdraws from, and recycling multistage hydraulic jacking apparatus is put back into deck plate on short pad pier;
(6) implement the downhand welding low level welding of deck plate another side.
advantage of the present invention: this method adopts the multistage hydraulic jacking apparatus, carrying flat bogie and straddle truck make 180 ° of deck plate upsets, deck plate can carry out two-sided downhand welding low level welding, make the deck plate welding not rely on crawler crane, greatly reduce production cost, after using the compact multi-level hydraulic jacking device, can adopt the low level welding, weld strength and service working time have significantly been reduced, deck plate overturns 180 ° to weld and makes deck plate two sides welding all adopt downhand welding technique, lowered the requirement to the welder, to improving welding quality, huge benefit has been brought in the aspects such as welding efficiency.
Description of drawings
Fig. 1 is for adopting the deck plate welded condition figure of the deck plate welding process based on the multistage hydraulic jacking apparatus of the present invention;
Fig. 2 is the deck plate jack-up state diagram of welding method of the present invention;
Fig. 3 is the deck plate carrying state diagram of welding method of the present invention;
Fig. 4 is the deck plate lifting state diagram of welding method of the present invention;
Fig. 5 is the deck plate rollover states figure of welding method of the present invention;
Fig. 6 is the deck plate carrying state diagram of welding method of the present invention;
Fig. 7 is the deck plate jack-up dolly exit status figure of welding method of the present invention;
Fig. 8 is the deck plate welded condition figure of welding method of the present invention;
Fig. 9 is the structural representation of the multistage hydraulic jacking apparatus of welding method employing of the present invention.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is done to describe in detail.
Deck plate welding process based on the multistage hydraulic jacking apparatus of the present invention as shown in drawings, it comprises the following steps: (1) is placed on deck plate 1 and carries out the downhand welding welding on short pad pier 2; (2) deck plate of will one side welding completing by 3 jackings of multistage hydraulic jacking apparatus to flat carrier more than 4 and be placed on the flat board of flat carrier; (3) by flat carrier, deck plate is transported to below straddle truck 5, by being welded in advance hanger 6 on deck plate with the deck plate lifting, then flat carrier withdraws from; (4) deck plate is utilized 180 ° of straddle truck upsets, and then the deck plate that will overturn after 180 ° is placed on flat carrier; The switching process of deck plate is the operating type that straddle truck usually adopts, is about to deck plate one side and lands, and after Rotate 180 °, then lifting.(5) with flat carrier, deck plate is transported reflow and connect the place, carry out jacking by the multistage hydraulic jacking apparatus, deck plate is pushed up from travelling bogie, then flat carrier withdraws from, and recycling multistage hydraulic jacking apparatus 3 is put back into deck plate on short pad pier; (6) implement the downhand welding low level welding of deck plate another side.described multistage hydraulic jacking apparatus 3 is for being specifically designed to the jacking apparatus that is comprised of multistage hydraulic cylinder of deck plate jacking, described multistage hydraulic jacking apparatus comprises the oil pump 3-2 that is connected with oil groove by in-line, the outlet of described oil pump 3-2 is connected by the import of fuel-displaced pipeline with a three-way four-position valve 3-1, be connected with overflow valve 3-3 on described fuel-displaced pipeline, the first hydraulic fluid port of described three-way four-position valve 3-1 is connected by the import of the first oil pipe with the first oil path distributor 3-4, a plurality of outlets of described the first oil path distributor 3-4 are respectively by the import one by one corresponding connection setting of connecting line with a plurality of oil cylinder 3-7, be respectively arranged with flow control valve 3-6 and two two-way valve 3-5 on each described connecting line, the outlet of described a plurality of oil cylinders respectively with the import of the second oil path distributor 3-8 one by one corresponding connection arrange, the outlet of described the second oil path distributor is connected with the second hydraulic fluid port of described three-way four-position valve by the second oil pipe 3-9.
The height of short pad pier is advisable with 500～900mm.
Characteristics of the present invention are: 1. utilize multistage hydraulic jacking apparatus, flat truck for carrying, carry out low level downhand welding and carrying; 2. the deck plate overturn structure that utilizes multistage hydraulic jacking apparatus, flat truck for carrying and straddle truck to form stands up deck plate, implements the peaceful welding technology of low level welding of deck plate another side.
(1) deck plate is placed on carries out downhand welding welding on short pad pier, (2) deck plate of will one side welding completing by the jacking of multistage hydraulic jacking apparatus to more than flat carrier and be placed on the flat board of flat carrier, described multistage hydraulic jacking apparatus comprises the oil pump that is connected with oil groove by in-line, the outlet of described oil pump is connected by the import of fuel-displaced pipeline with a three-way four-position valve, be connected with overflow valve on described fuel-displaced pipeline, the first hydraulic fluid port of described three-way four-position valve is connected by the import of the first oil pipe with the first oil path distributor, a plurality of outlets of described the first oil path distributor are respectively by the import one by one corresponding connection setting of connecting line with a plurality of oil cylinders, be respectively arranged with flow control valve and two two-way valves on each described connecting line, the outlet of described a plurality of oil cylinders respectively with the import of the second oil path distributor one by one corresponding connection arrange, the outlet of described the second oil path distributor is connected with the second hydraulic fluid port of described three-way four-position valve by the second oil pipe, (3) by flat carrier, deck plate is transported to below straddle truck, by the hanger that is welded in advance on deck plate, deck plate is lifted by crane, then flat carrier withdraws from, (4) deck plate is utilized 180 ° of straddle truck upsets, and then the deck plate that will overturn after 180 ° is placed on flat carrier, (5) with flat carrier, deck plate is transported reflow and connect the place, carry out jacking by the multistage hydraulic jacking apparatus, deck plate is pushed up from travelling bogie, flat carrier withdraws from, and recycling multistage hydraulic jacking apparatus is put back into deck plate on short pad pier, (6) implement the downhand welding low level welding of deck plate another side.
Through using this method: production cost has reduced by 30%, and the working time has reduced more than 20%, and welding quality reaches the standards such as international API.
Claims (1)
1. based on the deck plate welding process of multistage hydraulic jacking apparatus, it is characterized in that it comprises the following steps:
(1) deck plate is placed on carries out downhand welding welding on short pad pier;
(2) deck plate of will one side welding completing by the jacking of multistage hydraulic jacking apparatus to more than flat carrier and be placed on the flat board of flat carrier, described multistage hydraulic jacking apparatus comprises the oil pump that is connected with oil groove by in-line, the outlet of described oil pump is connected by the import of fuel-displaced pipeline with a three-way four-position valve, be connected with overflow valve on described fuel-displaced pipeline, the first hydraulic fluid port of described three-way four-position valve is connected by the import of the first oil pipe with the first oil path distributor, a plurality of outlets of described the first oil path distributor are respectively by the import one by one corresponding connection setting of connecting line with a plurality of oil cylinders, be respectively arranged with flow control valve and two two-way valves on each described connecting line, the outlet of described a plurality of oil cylinders respectively with the import of the second oil path distributor one by one corresponding connection arrange, the outlet of described the second oil path distributor is connected with the second hydraulic fluid port of described three-way four-position valve by the second oil pipe,
(3) by flat carrier, deck plate is transported to below straddle truck, by the hanger that is welded in advance on deck plate, deck plate is lifted by crane, then flat carrier withdraws from;
(4) deck plate is utilized 180 ° of straddle truck upsets, and then the deck plate that will overturn after 180 ° is placed on flat carrier;
(5) with flat carrier, deck plate is transported reflow and connect the place, carry out jacking by the multistage hydraulic jacking apparatus, deck plate is pushed up from travelling bogie, then flat carrier withdraws from, and recycling multistage hydraulic jacking apparatus is put back into deck plate on short pad pier;
(6) implement the downhand welding low level welding of deck plate another side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104392802A CN102513715B (en) | 2011-12-23 | 2011-12-23 | Deck plate welding process on basis of multi-stage hydraulic jacking device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104392802A CN102513715B (en) | 2011-12-23 | 2011-12-23 | Deck plate welding process on basis of multi-stage hydraulic jacking device |
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| Publication Number | Publication Date |
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| CN102513715A CN102513715A (en) | 2012-06-27 |
| CN102513715B true CN102513715B (en) | 2013-11-06 |
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| CN2011104392802A Active CN102513715B (en) | 2011-12-23 | 2011-12-23 | Deck plate welding process on basis of multi-stage hydraulic jacking device |
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| CN107235120B (en) * | 2017-07-21 | 2019-04-09 | 中国海洋石油集团有限公司 | The lifting technique in place of the non-through formula deck plate of column |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090024540A (en) * | 2007-09-04 | 2009-03-09 | 삼원기술 주식회사 | Auto welding system |
| CN101530946A (en) * | 2008-05-10 | 2009-09-16 | 无锡华联精工机械有限公司 | Reverse side lifting device in single-side welding double-side molding welding mechanism |
| CN201765143U (en) * | 2010-09-20 | 2011-03-16 | 张燕琴 | Hydraulic positioning compression sample pulverizer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0822466B2 (en) * | 1987-03-19 | 1996-03-06 | 山陽電機株式会社 | Welding method of deck plate to obtain concrete structure building |
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- 2011-12-23 CN CN2011104392802A patent/CN102513715B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090024540A (en) * | 2007-09-04 | 2009-03-09 | 삼원기술 주식회사 | Auto welding system |
| CN101530946A (en) * | 2008-05-10 | 2009-09-16 | 无锡华联精工机械有限公司 | Reverse side lifting device in single-side welding double-side molding welding mechanism |
| CN201765143U (en) * | 2010-09-20 | 2011-03-16 | 张燕琴 | Hydraulic positioning compression sample pulverizer |
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| CN102513715A (en) | 2012-06-27 |
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| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 300457 No. fourth, 14 Avenue, Tianjin economic and Technological Development Zone Applicant after: Bo MEIKO Marine Engineering Co., Ltd. Address before: 300457 No. fourth, 14 Avenue, Tianjin economic and Technological Development Zone, Tanggu District, Tianjin Applicant before: Tianjin Bohai Oil Marine Engineering & Supply Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: TIANJIN BOHAI OIL MARINE ENGINEERING + SUPPLY CO., LTD. TO: BIOMESC OFFSHORE ENGINEERING COMPANY LIMITED |
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| CI01 | Correction of invention patent gazette |
Correction item: Applicant Correct: BOMESC Offshore Engineering Company Limited|300457 No. fourth, 14 Avenue, Tianjin economic and Technological Development Zone False: Bo MEIKO Marine Engineering Co., Ltd.|300457 No. fourth, 14 Avenue, Tianjin economic and Technological Development Zone Number: 09 Volume: 29 |
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Free format text: CORRECT: APPLICANT; FROM: BIOMESC OFFSHORE ENGINEERING COMPANY LIMITED:300457 HANGU, TIANJIN TO: BOMESC OFFSHORE ENGINEERING COMPANY LIMITED (BOMESC):300457 HANGU, TIANJIN |
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