CN103821077A - Auto-telescoping trestle bridge applicable to movable platforms - Google Patents
Auto-telescoping trestle bridge applicable to movable platforms Download PDFInfo
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- CN103821077A CN103821077A CN201210466362.0A CN201210466362A CN103821077A CN 103821077 A CN103821077 A CN 103821077A CN 201210466362 A CN201210466362 A CN 201210466362A CN 103821077 A CN103821077 A CN 103821077A
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- trestle
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Abstract
An auto-telescoping trestle bridge applicable to movable platforms comprises hydraulic telescoping mechanisms, flanges, a pedestrian deck, and trestle guardrails. The hydraulic telescoping mechanisms are welded on a deck of a movable platform. Each hydraulic telescoping mechanism comprises a hydraulic cylinder, a piston, a spring, a tongue pillar, a tongue pillar sheath, and a telescoping switch handle. Each flange is provided with premade holes. The flanges are symmetrically welded below two ends of the pedestrian deck. The trestle guardrails are arranged at two ends of the pedestrian deck and connected to the ends of the pedestrian deck and the tops of the flanges respectively by welding. The auto-telescoping trestle bridge has the advantages that safety risks of the movable platform trestle bridges are effectively decreased, the bridge is applicable to severe sea conditions, and platform desk area is greatly saved.
Description
Technical field
The present invention relates to trestle, relate in particular to a kind of automatic telescopic trestle for marginal oil field moveable platform.Belong to Offshore Engineering field.
Background technology
In ocean engineering, trestle is widely used in the connection of unattended wellhead platform, heaving pile platform and marginal oil field simple wellhead platform as walkway and umbilical support.
Unattended wellhead platform, heaving pile platform and marginal oil field simple wellhead platform all rely on oil gas process platform or removable jack up drilling platform to complete production and the processing of crude oil, but all need periodically to carry out facility maintenance with upper mounting plate, thereby need to set up trestle, in current trestle mounting process, a kind of is to adopt loop wheel machine householder method to complete the work of setting up of trestle, on some oil gas process platform due to the restriction of floor space, a side of setting up at oil gas process platform trestle is not installed loop wheel machine, need the auxiliary of crane barge, therefore economy is not high.In addition, the annual production in medium-and-large-sized oil field can not reach planning output, therefore needs to develop in existing development technique relative with economy under economic condition poor simultaneously, but can reach through great efforts the marginal oil field of predetermined lowest economic index.Marginal oil field also generally adopts easy wellhead platform, adopts without relying on oil gas to process and life supporting platform pattern, provides trestle to make attendant can arrive easy wellhead platform by removable jack up drilling platform.The installation of its trestle has been assisted by loop wheel machine, and therefore jack up drilling platform need to be furnished with loop wheel machine, has taken larger floor space.In ocean engineering middle deck, area is of great rarity, and reducing unnecessary deck area occupied is the design focal point of current ocean engineering.
Another kind is to adopt hoist cable tractive method to complete setting up of trestle, is fixed in advance on oil gas process platform or removable jack up drilling platform by this trestle one end, packs up by drawing rope by the platform hoist engine trestle other end, becomes one with platform.Need to carry out facility while safeguarding at unattended wellhead platform, heaving pile platform and marginal oil field simple wellhead platform, platform hoist engine will be transferred hoist cable and be carried out trestle installation.Hoist cable tractive trestle mounting method is high for position accuracy demand, and simultaneously trestle is packed up and also can be produced security risk to platform self afterwards.Therefore, the present invention realizes the automatic telescopic of trestle, can not rely on the auxiliary of Platform lifting devices and has effectively avoided security risk simultaneously.
Present patent application has proposed a kind of mechanical, electrical, liquid integrated automatic telescopic trestle that is applicable to moveable platform just under this background.
Summary of the invention
Main purpose of the present invention is to overcome the above-mentioned shortcoming that prior art exists, and provide a kind of automatic telescopic trestle that is applicable to moveable platform, it effectively reduces the security risk of moveable platform trestle, can be applicable to comparatively severe sea conditions, and larger saving Platform Deck area.
The object of the invention is to be realized by following technical scheme:
A kind of automatic telescopic trestle that is applicable to moveable platform, it is characterized in that: be provided with hydraulic telescopic machanism, the edge of a wing, People's Bank of China deck, trestle guardrail, wherein hydraulic telescopic machanism is welded on moveable platform deck, and hydraulic telescopic machanism is made up of hydraulic cylinder, piston, spring, tongue post, tongue post sheath, flexible change lever; There is pre-drilled cavity on the edge of a wing, and the edge of a wing is symmetrically welded in below, two ends, People's Bank of China deck; Trestle guardrail is positioned at two ends, People's Bank of China deck, and is connected with People's Bank of China deck side, top, the edge of a wing respectively by welding.
A kind of automatic telescopic trestle that is applicable to moveable platform according to claim 1, is characterized in that: tongue post snaps in the inclined-plane that is shaped as of pre-drilled cavity.
A kind of automatic telescopic trestle that is applicable to moveable platform according to claim 1, is characterized in that: pre-drilled cavity spacing equates.
Beneficial effect of the present invention: the present invention due to adopt technique scheme, it effectively reduces the security risk of moveable platform trestle, can be applicable to comparatively severe sea conditions, and larger saving Platform Deck area.
Below in conjunction with drawings and Examples, the present invention will be further described.
Accompanying drawing explanation:
Fig. 1 moveable platform trestle of the present invention is set up at wellhead platform schematic diagram
Fig. 2 trestle partial schematic diagram of the present invention
Fig. 3 trestle hydraulic telescopic machanism of the present invention schematic diagram
Fig. 4 trestle transverse cross-sectional view of the present invention
Fig. 5 trestle longitudinal sectional drawing of the present invention
Fig. 6 trestle overhanging deck of the present invention schematic diagram
Major label description in figure:
1-wellhead platform; 2-trestle; 3-moveable platform; 4-hydraulic telescopic machanism; The 5-edge of a wing; 6-People's Bank of China deck; 7-trestle guardrail; 8-moveable platform deck; 9-moveable platform deck side; 10-hydraulic mechanism welding base; 11-piston; 12-pre-drilled cavity; 13-tongue post sheath; 14-hydraulic pressure lacks; 15-tongue post; The 16-change lever of stretching; 17-spring.
The specific embodiment
As Figure 1-5, trestle 2 of the present invention adopts I-shaped, is provided with hydraulic telescopic machanism 4, the edge of a wing 5, People's Bank of China deck 6, trestle guardrail 7.Hydraulic telescopic machanism 4 is welded on moveable platform deck 8, and hydraulic telescopic machanism 4 is made up of hydraulic cylinder 14, piston 11, spring 17, tongue post 15, tongue post sheath 13, flexible change lever 16.The edge of a wing 5 is provided with pre-drilled cavity 12, and the edge of a wing 5 is symmetrically welded in 6 belows, two ends, People's Bank of China deck; Trestle guardrail 7 is positioned at 6 two ends, People's Bank of China deck, and is connected with People's Bank of China deck 6 sides, 5 tops, the edge of a wing respectively by welding.The tongue post 15 of hydraulic telescopic machanism 4 snaps in pre-drilled cavity 12, tongue post 15 snaps in the inclined-plane that is shaped as of pre-drilled cavity 12, because tongue post 15 one sides are inclined-plane, when piston 11 is flexible, tongue post 15 is because spring 17 acts in regracting tongue post sheath 13, automatic spring in the time running into pre-drilled cavity 12, and block the pre-drilled cavity 12 on the edge of a wing 5.Trestle 2 expanding-contracting actions make the inclined-plane Rotate 180 degree of tongue post 15 can complete conversion by the change lever 16 of stretching.
As shown in Figure 6, when trestle 2 stretches out moveable platform deck 8, flexible change lever 16 is converted to stretches out shelves, both sides hydraulic telescopic machanism 4 moves simultaneously, the piston 11 of hydraulic cylinder 14 both sides, piston 11 near moveable platform deck 8 sides stretches out, opposite side piston 11 shrinks, trestle 2 is released to the distance of two pre-drilled cavities 12, simultaneously, piston 11 near moveable platform deck 8 sides shrinks, the piston 11 of opposite side stretches out, the distance that trestle 2 often stretches out a step equals the center to center distance of the adjacent pre-drilled cavity 12 in the edge of a wing 5, stretch out after a step, both sides piston 11 returns to symmetric position, when piston 11 is flexible, tongue post 15 is because spring 17 acts in regracting tongue post sheath 13, automatic spring in the time running into pre-drilled cavity 12, and block the next pre-drilled cavity 12 on the edge of a wing 5.Move in circles, until trestle 2 can safe setting up on wellhead platform 1.
When trestle 2 is recycled to moveable platform deck 8, flexible change lever 16 rotations are to reclaiming shelves, both sides hydraulic telescopic machanism 4 moves simultaneously, hydraulic pressure lacks the piston 11 of 11 both sides, piston 11 near moveable platform deck 8 sides shrinks, another time piston 11 stretches out, trestle 2 is reclaimed to the distance of two pre-drilled cavities 12, piston 11 near moveable platform 3 sides stretches out, the piston 11 of another time shrinks, because the automatic clamping of tongue post 15 is lived next pre-drilled cavity 12, move in circles, be recycled to moveable platform 3 until trestle 2 can safety.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, any simple modification, equivalent variations and modification that every foundation technical spirit of the present invention is done above embodiment, all still belong in the scope of technical solution of the present invention.
Claims (3)
1. one kind is applicable to the automatic telescopic trestle of moveable platform, it is characterized in that: be provided with hydraulic telescopic machanism, the edge of a wing, People's Bank of China deck, trestle guardrail, wherein hydraulic telescopic machanism is welded on moveable platform deck, and hydraulic telescopic machanism is made up of hydraulic cylinder, piston, spring, tongue post, tongue post sheath, flexible change lever; There is pre-drilled cavity on the edge of a wing, and the edge of a wing is symmetrically welded in below, two ends, People's Bank of China deck; Trestle guardrail is positioned at two ends, People's Bank of China deck, and is connected with People's Bank of China deck side, top, the edge of a wing respectively by welding.
2. a kind of automatic telescopic trestle that is applicable to moveable platform according to claim 1, is characterized in that: tongue post snaps in the inclined-plane that is shaped as of pre-drilled cavity.
3. a kind of automatic telescopic trestle that is applicable to moveable platform according to claim 1, is characterized in that: pre-drilled cavity spacing equates.
Priority Applications (1)
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CN201210466362.0A CN103821077A (en) | 2012-11-19 | 2012-11-19 | Auto-telescoping trestle bridge applicable to movable platforms |
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CN201210466362.0A CN103821077A (en) | 2012-11-19 | 2012-11-19 | Auto-telescoping trestle bridge applicable to movable platforms |
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CN103821077A true CN103821077A (en) | 2014-05-28 |
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CN201210466362.0A Pending CN103821077A (en) | 2012-11-19 | 2012-11-19 | Auto-telescoping trestle bridge applicable to movable platforms |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108105187A (en) * | 2017-11-30 | 2018-06-01 | 中船华南船舶机械有限公司 | A kind of position compensation extension type is gone on board trestle hydraulic system |
CN113089453A (en) * | 2021-04-09 | 2021-07-09 | 中铁三局集团有限公司 | Inverted arch trestle capable of being freely adjusted |
CN113585166A (en) * | 2020-04-30 | 2021-11-02 | 北京机械设备研究所 | Pile inserting type shore connecting system and erection method thereof |
CN116607389A (en) * | 2023-07-20 | 2023-08-18 | 北京城建设计发展集团股份有限公司 | Tunnel trestle device and application method thereof |
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JP2003027417A (en) * | 2001-05-10 | 2003-01-29 | River Corporation:Kk | Connecting bridge between pier and marine vessel |
JP2009281065A (en) * | 2008-05-22 | 2009-12-03 | River Corporation:Kk | Connection bridge between landing bridge and ship |
CN101775776A (en) * | 2010-01-28 | 2010-07-14 | 中国海洋石油总公司 | Marine oil field multifunctional self-elevating supporting platform pedestrian hydraulic telescopic trestle |
CN201588168U (en) * | 2010-01-28 | 2010-09-22 | 中国海洋石油总公司 | Hydraulic pedestrian expansion trestle for multifunctional self-elevating supporting platform of offshore oil field |
CN201695321U (en) * | 2010-06-25 | 2011-01-05 | 中铁五局集团第一工程有限责任公司 | Multifunctional propelled tunnel inverted arch trestle |
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2012
- 2012-11-19 CN CN201210466362.0A patent/CN103821077A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2003027417A (en) * | 2001-05-10 | 2003-01-29 | River Corporation:Kk | Connecting bridge between pier and marine vessel |
JP2009281065A (en) * | 2008-05-22 | 2009-12-03 | River Corporation:Kk | Connection bridge between landing bridge and ship |
CN101775776A (en) * | 2010-01-28 | 2010-07-14 | 中国海洋石油总公司 | Marine oil field multifunctional self-elevating supporting platform pedestrian hydraulic telescopic trestle |
CN201588168U (en) * | 2010-01-28 | 2010-09-22 | 中国海洋石油总公司 | Hydraulic pedestrian expansion trestle for multifunctional self-elevating supporting platform of offshore oil field |
CN201695321U (en) * | 2010-06-25 | 2011-01-05 | 中铁五局集团第一工程有限责任公司 | Multifunctional propelled tunnel inverted arch trestle |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108105187A (en) * | 2017-11-30 | 2018-06-01 | 中船华南船舶机械有限公司 | A kind of position compensation extension type is gone on board trestle hydraulic system |
CN108105187B (en) * | 2017-11-30 | 2019-09-10 | 中船华南船舶机械有限公司 | A kind of position compensation extension type is gone on board trestle hydraulic system |
CN113585166A (en) * | 2020-04-30 | 2021-11-02 | 北京机械设备研究所 | Pile inserting type shore connecting system and erection method thereof |
CN113585166B (en) * | 2020-04-30 | 2023-02-03 | 北京机械设备研究所 | Pile inserting type shore connecting system and erection method thereof |
CN113089453A (en) * | 2021-04-09 | 2021-07-09 | 中铁三局集团有限公司 | Inverted arch trestle capable of being freely adjusted |
CN113089453B (en) * | 2021-04-09 | 2022-12-16 | 中铁三局集团有限公司 | Inverted arch trestle capable of being adjusted freely |
CN116607389A (en) * | 2023-07-20 | 2023-08-18 | 北京城建设计发展集团股份有限公司 | Tunnel trestle device and application method thereof |
CN116607389B (en) * | 2023-07-20 | 2023-10-27 | 北京城建设计发展集团股份有限公司 | Tunnel trestle device and application method thereof |
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Application publication date: 20140528 |