CN103924618B - Automatically disengage system under water - Google Patents
Automatically disengage system under water Download PDFInfo
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- CN103924618B CN103924618B CN201310009292.0A CN201310009292A CN103924618B CN 103924618 B CN103924618 B CN 103924618B CN 201310009292 A CN201310009292 A CN 201310009292A CN 103924618 B CN103924618 B CN 103924618B
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- hanger
- suspension bracket
- jack
- tube coupling
- suspension
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Abstract
The present invention relates to one and automatically disengage system under water, particularly relate to a kind of be applied to immersed tube tunnel construction in the operation of tube coupling sinking automatically disengage system; This system comprises suspension bracket and is arranged on the hanger at suspension bracket two ends, and be connected with the suspension centre on tube coupling by the automatic pin pulling device be arranged on suspension bracket bottom this hanger, this hanger top is connected with installation ship by vertical hanger.The present invention adopts the design of automatic pin pulling device; This automatic pin pulling device after tube coupling sinking, automatically can control latch by control circuit and extracts suspension centre pin-and-hole under the effect of jack; To realize automatically deviating from of latch, thus the problem automatically disengaged with installation ship after well solving tube coupling sinking; Tube coupling sinking is constructed quicker, smooth and easy; Thus improve working security and immersed tube installation effectiveness; Decrease artificial work mistake, avoid the appearance of personal injury.
Description
Technical field
The present invention relates to one and automatically disengage system under water, particularly relate to a kind of be applied to immersed tube tunnel construction in the operation of tube coupling sinking automatically disengage system.
Background technology
In current seabed tunnel engineering, tube coupling sinking is a very important ring; In tube coupling sinking operation now, installation ship is connected with tube coupling by the vertical hanger hanging system, and by tugboat, sinking installation is carried out in cube transportation to the works area of immersed tube tunnel.Vertical hanger is connected by latch with the suspension centre of tube coupling, if sinking installs, and must by water manual removal vertical hanger and suspension centre under diver; Not only increase the security risk of diver's waters operation below installation ship, also can increase the installation ship on-the-spot stand-by period; Delay will be caused to postorder construction; For construction party, how within the shortest time, to complete tube coupling separating operation fast, easily, be problem anxious to be resolved; Therefore, be badly in need of one and automatically disengage system under water to solve the problem.
Summary of the invention
The object of this invention is to provide one and automatically disengage system under water, this system utilizes automatic pin pulling device to realize automatically deviating from latch, to solve the problem automatically disengaged with installation ship after tube coupling sinking.
The object of the invention is to be achieved through the following technical solutions: one automatically disengages system under water, this system comprises suspension bracket and is arranged on the hanger at suspension bracket two ends, be connected with the suspension centre on tube coupling by the automatic pin pulling device be arranged on suspension bracket bottom this hanger, this hanger top is connected with installation ship by vertical hanger.
Be provided with suspension centre hole bottom described hanger, described automatic pin pulling device have one can with the latch of this corresponding plug-in mounting in suspension centre hole.
Described automatic pin pulling device comprises the jack being arranged on suspension bracket lower end, and this jack one end is connected with described latch, and the other end is connected with described suspension bracket.
Described suspension centre is provided with and hangs joint, and this hangs joint and is inserted in bottom described hanger, and hang on joint be provided with spliced eye at this, this spliced eye is corresponding with described suspension centre hole to be arranged.
One group is respectively provided with close to limit switch at described suspension bracket two ends.
Described often group is arranged on two ends, described suspension centre hole close to limit switch.
Described jack is a hydraulic jack.This hydraulic jack is connected with the oil pipe be arranged on suspension bracket and control circuit.
Described jack is horizontally disposed with.
Described is that magnetic inductive is close to limit switch close to limit switch.
The present invention compared with prior art has following advantage:
1, the present invention adopts the design of automatic pin pulling device; This automatic pin pulling device after tube coupling sinking, automatically can control latch by control circuit and extracts suspension centre pin-and-hole under the effect of jack; To realize automatically deviating from of latch, thus the problem automatically disengaged with installation ship after well solving tube coupling sinking; Tube coupling sinking is constructed quicker, smooth and easy; Thus improve working security and immersed tube installation effectiveness; Decrease artificial work mistake, avoid the appearance of personal injury.
2, the present invention adopts the design of suspension bracket; Because tube coupling spins with being inevitably mutually wound around between two vertical hangers on barge in detach procedure after sinking completes; Vertical hanger is caused not regain smoothly; And suspension bracket can make two vertical hangers on same barge remain certain distance, can ensure that two vertical hangers can not mutually be wound around after the power of unloading and spin; This suspension bracket also can be automatic pin pulling device and provides mounting platform; Tube coupling sinking is constructed quicker, smooth and easy; Accelerate construction speed, effectively improve construction quality, reduce potential safety hazard.
3, the present invention adopts the design close to limit switch; Whether this can monitor latch close to limit switch has sufficient length in hanger and suspension centre hole, when latch will be there is surprisingly to depart from the operation of vertical hanger sinking, will report to the police close to limit switch for two that often hold, thus provide safety guarantee for the normal work of vertical hanger.Therefore this device reduces construction risk; Decrease work mistake, avoid the appearance of major accident.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is structural representation of the present invention (front view);
Fig. 2 is the structural representation enlarged drawing of A (in the Fig. 1) of automatic pin pulling device in the present invention.
Detailed description of the invention
Shown in Fig. 1, Fig. 2, one of the present invention automatically disengages system under water, this system comprises two suspension brackets 1 and is arranged on the hanger 2 at each suspension bracket two ends, be connected with the suspension centre 4 on tube coupling by the automatic pin pulling device 3 be arranged on suspension bracket bottom this hanger, this hanger top is connected with installation ship by vertical hanger (belong to prior art, do not show in figure).One of them suspension bracket is arranged on tube coupling front end 5 for being connected with the main barge vertical hanger of installation ship, another suspension bracket is arranged on tube coupling rear end for being connected with the secondary barge vertical hanger of installation ship, because the forward and backward two-part hanger structure of tube coupling is identical, therefore tube coupling front end suspension bracket in the present embodiment, is only adopted to be illustrated; Be provided with suspension centre hole 6 bottom hanger described in the present embodiment, described automatic pin pulling device have one can with the latch 7 of this corresponding plug-in mounting in suspension centre hole.The present invention adopts the design of suspension bracket; Because tube coupling spins with being inevitably mutually wound around between two vertical hangers on barge in detach procedure after sinking completes; Vertical hanger is caused not regain smoothly; And suspension bracket can make two vertical hangers on same barge remain certain distance, can ensure that two vertical hangers can not mutually be wound around after the power of unloading and spin, the rotation that simultaneously single vertical hanger also because of the effect of suspension bracket, self can not occur is wound around; This suspension bracket also can be automatic pin pulling device and provides mounting platform; Tube coupling sinking is constructed quicker, smooth and easy; Accelerate construction speed, effectively improve construction quality, reduce potential safety hazard.
Shown in Figure 2, automatic pin pulling device described in the present embodiment comprises the jack 8 being arranged on suspension bracket lower end, and this jack one end is connected with described latch, and the other end is connected with described suspension bracket; Described jack is connected with described suspension bracket by connecting rod 9, described jack and the hinged setting of described connecting rod; Described connecting rod is vertical with described suspension bracket to be arranged.Described suspension centre is provided with and hangs joint 10, this hangs joint and is inserted in bottom described hanger, and hang on joint be provided with spliced eye 11 at this, this spliced eye is corresponding with described suspension centre hole to be arranged; Before sinking construction, latch first inserts along suspension centre hole by constructor, and installs with described spliced eye, thus realizes hanger and be connected with suspension centre; In the present embodiment when hanger and suspension centre are pinned connection; Described jack is in being horizontally disposed with; In the present embodiment when hanger and suspension centre disconnect; Suspension centre hole extracted by described latch, and jack is along the pin joint of its rear end to lower swing, and finally vertical.Jack described in the present embodiment is a hydraulic jack.This hydraulic jack is connected (not shown) with the oil pipe be arranged on suspension bracket and control circuit, and the control about hydraulic jack belongs to prior art with being connected, and no longer too much repeats herein.The present invention adopts the design of automatic pin pulling device; This automatic pin pulling device after tube coupling sinking, can control latch by control circuit and extract suspension centre hole under the effect of jack automatically; To realize automatically deviating from of latch, thus the problem automatically disengaged with installation ship after well solving tube coupling sinking; Tube coupling sinking is constructed quicker, smooth and easy; Thus accelerate construction speed, improve the safety of construction; Decrease artificial work mistake, avoid the appearance of personal injury.
Left side bottom hanger described in the present embodiment is provided with a suspension centre hole, the right side bottom described hanger is also provided with a suspension centre hole, and two suspension centre hole correspondences are arranged; One group is respectively provided with close to limit switch 12 at described suspension bracket two ends in the present embodiment; Described often group is arranged on two ends, described suspension centre hole close to limit switch; One of them is corresponding with the suspension centre hole site on left side bottom described hanger close to limit switch; Another is corresponding with the suspension centre hole site on right side bottom described hanger close to limit switch; Thus monitor the situation of latch in suspension centre hole effectively in real time.Be model close to limit switch described in the present embodiment be that the magnetic inductive of POH-300Z is close to limit switch; This is connected with described control circuit close to limit switch.The present invention adopts the design close to limit switch; Whether this can monitor latch close to limit switch has sufficient length in hanger and suspension centre hole, when latch will be there is surprisingly to depart from the operation of vertical hanger sinking, will report to the police close to limit switch for two that often hold, thus provide safety guarantee for the normal work of vertical hanger.Thus reduce construction risk; Decrease work mistake, avoid the appearance of major accident.
The workflow automatically disengaging system under water of the present invention.
After the installation of tube coupling sinking, installation ship need depart from tube coupling, and haul is to dark dockland.The detach procedure of installation ship and tube coupling is as follows:
In installation ship, operating personnel are in place;
Vertical hanger loosens is not with power;
Hydraulic jack action, hydraulic stem is regained;
Latch, under the effect of jack, is extracted from hanger and suspension centre hole;
Confirm that the latch of two suspension centres is all extracted, namely two jack bars are all retracted to initial position;
Vertical hanger rolling, will automatically disengage system under water and hang tube coupling;
Vertical hanger rolling, the system that will automatically disengage under water is tightened up below installation ship hull, and system completes and automatically disengages operation.
Claims (4)
1. one kind automatically disengages system under water, it is characterized in that: this system comprises suspension bracket and is arranged on the hanger at suspension bracket two ends, be connected with the suspension centre on tube coupling by the automatic pin pulling device be arranged on suspension bracket bottom this hanger, this hanger top is connected with installation ship by vertical hanger;
Wherein, bottom described hanger, be provided with suspension centre hole, described automatic pin pulling device have one can with the latch of this corresponding plug-in mounting in suspension centre hole; Described automatic pin pulling device comprises the jack being arranged on suspension bracket lower end, and this jack one end is connected with described latch, and the other end is connected with described suspension bracket by connecting rod; Described suspension centre is provided with and hangs joint, and this hangs joint and is inserted in bottom described hanger, and hang on joint be provided with spliced eye at this, this spliced eye is corresponding with described suspension centre hole to be arranged; Described jack is a hydraulic jack, and this hydraulic jack is connected with the oil pipe be arranged on suspension bracket and control circuit; Described jack is horizontally disposed with; Described jack and the hinged setting of described connecting rod; Described connecting rod is vertical with described suspension bracket to be arranged.
2. according to claim 1ly automatically disengage system under water, it is characterized in that: be respectively provided with one group close to limit switch at described suspension bracket two ends.
3. according to claim 2ly automatically disengage system under water, it is characterized in that: often organize and be describedly arranged on two ends, described suspension centre hole close to limit switch.
4. according to claim 2ly automatically disengage system under water, it is characterized in that: described is that magnetic inductive is close to limit switch close to limit switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310009292.0A CN103924618B (en) | 2013-01-10 | 2013-01-10 | Automatically disengage system under water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310009292.0A CN103924618B (en) | 2013-01-10 | 2013-01-10 | Automatically disengage system under water |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103924618A CN103924618A (en) | 2014-07-16 |
| CN103924618B true CN103924618B (en) | 2016-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310009292.0A Active CN103924618B (en) | 2013-01-10 | 2013-01-10 | Automatically disengage system under water |
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| Country | Link |
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| CN (1) | CN103924618B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114059588B (en) * | 2020-07-31 | 2023-04-18 | 中交第一航务工程局有限公司 | Underwater pulling-closing control method for submarine immersed tube |
| CN113879487B (en) * | 2021-10-12 | 2023-02-24 | 中交第四航务工程局有限公司 | Non-self-floating immersed tube discharging method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3594835A (en) * | 1969-09-17 | 1971-07-27 | Pipeline Products And Services | Float device for pipelines |
| US4127007A (en) * | 1976-03-18 | 1978-11-28 | Compagnie Generale Pour Les Developpements Operationnels Des Richesses Sous-Marines "C.G. Doris" | Installation for releasing submerged floats |
| US4648745A (en) * | 1983-04-07 | 1987-03-10 | Stichting "Stichting Waterbouwkundig Laboratorium" | Method and device for burying a conduit in the bottom of a waterbed |
| CN1079279A (en) * | 1993-03-05 | 1993-12-08 | 浙江海港养护大队 | Light float reaches application in engineering under water |
| CN2454273Y (en) * | 2000-11-14 | 2001-10-17 | 胜利石油管理局工程建设一公司三分公司 | Submarine pipeline buoy binding and unbinding device |
| CN102431891A (en) * | 2010-09-29 | 2012-05-02 | 中国海洋石油总公司 | Pipeline spreader |
| CN203129182U (en) * | 2013-01-10 | 2013-08-14 | 中交一航局第二工程有限公司 | Underwater automatic releasing system |
-
2013
- 2013-01-10 CN CN201310009292.0A patent/CN103924618B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3594835A (en) * | 1969-09-17 | 1971-07-27 | Pipeline Products And Services | Float device for pipelines |
| US4127007A (en) * | 1976-03-18 | 1978-11-28 | Compagnie Generale Pour Les Developpements Operationnels Des Richesses Sous-Marines "C.G. Doris" | Installation for releasing submerged floats |
| US4648745A (en) * | 1983-04-07 | 1987-03-10 | Stichting "Stichting Waterbouwkundig Laboratorium" | Method and device for burying a conduit in the bottom of a waterbed |
| CN1079279A (en) * | 1993-03-05 | 1993-12-08 | 浙江海港养护大队 | Light float reaches application in engineering under water |
| CN2454273Y (en) * | 2000-11-14 | 2001-10-17 | 胜利石油管理局工程建设一公司三分公司 | Submarine pipeline buoy binding and unbinding device |
| CN102431891A (en) * | 2010-09-29 | 2012-05-02 | 中国海洋石油总公司 | Pipeline spreader |
| CN203129182U (en) * | 2013-01-10 | 2013-08-14 | 中交一航局第二工程有限公司 | Underwater automatic releasing system |
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| Publication number | Publication date |
|---|---|
| CN103924618A (en) | 2014-07-16 |
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