CN103569311A - Propeller installing and positioning device and propeller underwater installing method - Google Patents
Propeller installing and positioning device and propeller underwater installing method Download PDFInfo
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- CN103569311A CN103569311A CN201210251599.7A CN201210251599A CN103569311A CN 103569311 A CN103569311 A CN 103569311A CN 201210251599 A CN201210251599 A CN 201210251599A CN 103569311 A CN103569311 A CN 103569311A
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Abstract
The invention relates to a propeller installing and positioning device and a propeller underwater installing method. The propeller installing and positioning device comprises a base support corresponding to a propeller so as to bear the propeller, a first float bowl and a second float bowl, wherein the first float bowl and the second float bowl are respectively connected with two sides of the base support. The first float bowl is provided with a first valve for injecting water into the first float bowl or discharging the water in the first float bowl and a second valve for injecting air into the first float bowl or discharging the air in the first float bowl, the second float bowl is provided with a first valve for injecting water into the second float bowl or discharging the water in the second float bowl and a second valve for injecting air into the second float bowl or discharging the air in the second float bowl, the second valves are connected with an air compressor through pipes, and air discharge valves and air control valves are arranged on the pipes. The propeller underwater installing method utilizes the propeller installing and positioning device to bear the propeller to an underwater specified place, the installing difficulty is reduced, the safety is improved, and a platform building period is shortened. In addition, the installing accuracy is high, and the installing cost is low.
Description
Technical field
The present invention relates to marine engineering equipment construction applications, specifically, relate to the mounting and positioning device installed for floating installation dynamic positioning system (DPS) propelling unit and installation method under water.
Background technology
In floating installation dynamic positioning system (DPS), angle of rake installation is all a difficult problem owing to being subject to the restriction Dui Ge platform construction enterprise of natural conditions.Propelling unit is a large scale, heavy weight movable parts, for setting accuracy, has relatively high expectations and will have good sealing with platform bulkhead, and angle of rake setting accuracy directly affects positioning precision and the running of platform.Traditional large-scale propelling unit is installed and is mostly utilized crane barge, barge, deck to hang, during installation, first outside loop wheel machine lifts by crane propelling unit, then from the preset transtracheal catheter of platform buoyancy aid, (this conduit is preset at the beginning of platform buoyancy aid is built, locus is corresponding with angle of rake three hanger hole sites, this method generally adopts in platform construction) in pass three hoist cables and be connected with angle of rake three suspension centres respectively, then adopt the mode of relay and under diver's cooperation, make gradually propelling unit under mounting hole vertically.This kind of mounting means has following shortcoming: installation region need to be carried out at the darker deep-sea of the depth of water, operating mode is installed poor, and difficulty is larger, poor stability, and setting accuracy is low, and production cycle is long, and loop wheel machine expense, charge for tug's service use, labour cost are higher.
Summary of the invention
Technical matters to be solved by this invention is, for utilizing crane barge, barge, deck to hang, propelling unit is installed to the deficiency existing, and provides a kind of propelling unit that can carry to arrive the propelling unit mounting and positioning device of appointed place under water.
To achieve these goals, propelling unit mounting and positioning device of the present invention, comprise corresponding to propelling unit to carry angle of rake collet, and the first floating drum and the second floating drum that are connected respectively with described collet both sides; Wherein, on described the first floating drum, be provided with to injected water in the first floating drum or the first valve that the water in the first floating drum is got rid of with to the second valve that injects air or the air exhausting in the first floating drum is removed in the first floating drum, on described the second floating drum, be also provided with to injected water in the second floating drum or the first valve that the water in the second floating drum is got rid of with to the second valve that injects air or the air exhausting in the second floating drum is removed in the second floating drum, described second valve is connected with an Air compressor by pipeline, is provided with air transfer valve and air diverter valve on described pipeline.
Above-mentioned propelling unit mounting and positioning device, wherein, described the first floating drum is connected with described collet by each self-corresponding strut member respectively with the second floating drum.
Above-mentioned propelling unit mounting and positioning device, wherein, described the first floating drum, the second floating drum connect into U-shaped by described strut member and described collet.
Above-mentioned propelling unit mounting and positioning device, wherein, described the first floating drum and the second floating drum all comprise two cabins, second valve described in the first valve and described in each cabin all corresponding.
Above-mentioned propelling unit mounting and positioning device, wherein, is provided with fence on described strut member.
Above-mentioned propelling unit mounting and positioning device, wherein, is provided with fixedly stull and removable stull between described the first floating drum and the second floating drum.
Above-mentioned propelling unit mounting and positioning device, wherein, described collet comprises the collet framework being welded by I-beam section and is arranged at the propelling unit adapter plate on collet framework, on described propelling unit adapter plate, is provided with anti-striker.
Further, the invention provides a kind of propelling unit installation method under water, for propelling unit being installed on to buoyancy aid under platform, comprising:
Step S100, loads propelling unit on the collet of propelling unit mounting and positioning device described above;
Step S200, will be mounted with angle of rake described propelling unit mounting and positioning device and be transported to harbour and be incorporated to water;
Step S300, adjusts described propelling unit mounting and positioning device position so that described propelling unit is positioned;
Step S400, by behind described propelling unit mounting and positioning device dive to desired location, draw its to described platform under buoyancy aid opposite position;
Step S500, promote described propelling unit to described platform under the position that connects of buoyancy aid; And
Step S600, installs described propelling unit under described platform on buoyancy aid correspondence position;
Wherein, in described step S300, comprise again:
Step S310, is connected described the first floating drum with one first hawser of a platform dive winch, described the second floating drum is connected with the hawser of a seashore loop wheel machine, and makes described the first floating drum buoyancy aid under described platform that reclines; And
Step S320, by opening or closing described the first valve, described second valve, described air transfer valve and described air diverter valve so that described the first floating drum and the second floating drum are adjusted.
Above-mentioned propelling unit is installation method under water, wherein, in described step S400, also comprise one second hawser Connection Step of described the first floating drum and described platform dive winch, wherein, described the first hawser winding is on one first reverse wheel, described the first reverse wheel is arranged on first jiao of buoyancy aid under described platform, described the second hawser winding is on one second reverse wheel, and described the second reverse wheel is arranged on second jiao of buoyancy aid under described platform, described second jiao with described first jiao relative.
Above-mentioned propelling unit is installation method under water, wherein, after described step S600, also has the described propelling unit mounting and positioning device step S700 of recovery, in this step, comprising:
Step S701, removes removable stull, connects removable stull after described propelling unit mounting and positioning device is shifted out to propelling unit scope again;
Step S702, closes described air diverter valve, opens described air transfer valve, described propelling unit mounting and positioning device is sunk down into separated with buoyancy aid under described platform;
Step S703, pulls described propelling unit mounting and positioning device away from the side of a ship exterior domain of buoyancy aid under platform;
Step S704, closes described air transfer valve, opens described air diverter valve, makes described propelling unit mounting and positioning device floating.
Above-mentioned propelling unit is installation method under water, wherein, between described step S400 and described step S500, also comprises:
Step S510, is connected to hydraulic rockshaft hawser on described angle of rake corresponding hanger, simultaneously angle of rake socket bottom cover described in underwater demolition;
Step S520, carries out position adjustment so that described propelling unit is located again to described propelling unit mounting and positioning device.
Beneficial functional of the present invention is: by propelling unit mounting and positioning device carrying propelling unit to appointed place under water to facilitate propelling unit to dock with buoyancy aid under platform, with respect to tradition, utilize crane barge, barge, deck to lift up into for row propelling unit installs under water, not only reduced installation difficulty, improve safety, shortened the platform construction cycle; And setting accuracy is high, cost of installation is low.
Below in conjunction with the drawings and specific embodiments, describe the present invention, but not as a limitation of the invention.
Accompanying drawing explanation
Fig. 1 is the front view of propelling unit mounting and positioning device of the present invention;
Fig. 2 is the birds-eye view of Fig. 1;
Fig. 3 is the lateral plan of Fig. 1;
Fig. 4 is the A-A cutaway view (having removed removable stull) in Fig. 2;
Fig. 5 is the pipeline control principle drawing of propelling unit mounting and positioning device of the present invention;
Fig. 6 to Fig. 8 utilizes propelling unit mounting and positioning device of the present invention to carry out the installation process schematic diagram that propelling unit is installed under water.
Wherein, Reference numeral
100-propelling unit mounting and positioning device
110-collet
111-collet framework
112-propelling unit adapter plate
113-anti-striker
The 120-the first floating drum
The 121-the first valve
122-second valve
123-cabin BT2
124-cabin BT1
The 130-the second floating drum
The 131-the first valve
132-second valve
133-cabin BT3
134-cabin BT4
140-fence
150-strut member
160-strut member
170-removable stull
180-fixedly stull
200-Air compressor
301 ~ 304-pipeline
311 ~ 314-air transfer valve
321 ~ 324-air diverter valve
330-air-safety valve
400-propelling unit
Buoyancy aid under 500-platform
The 501-the first angle
The 502-the second angle
503-propelling unit socket
5031-socket bottom cover
5032-sensor pin
The 601-the first hawser
The 602-the second hawser
The hawser of 701-seashore loop wheel machine
The 801-the first reverse wheel
The 802-the second reverse wheel
900-hydraulic rockshaft
The specific embodiment
Below in conjunction with the drawings and specific embodiments, technical solution of the present invention being described in detail, further to understand object of the present invention, scheme and effect, but is not the restriction as claims protection domain of the present invention.
Propelling unit mounting and positioning device of the present invention is mainly used in carrying propelling unit and arrives appointed place under water, to facilitate angle of rake installation.
Consult Fig. 1 to Fig. 4, as shown in the figure, propelling unit mounting and positioning device 100 comprises collet 110, the first floating drum 120, the second floating drum 130, strut member 150 and strut member 160.The shape of collet 110 and size need be corresponding with propelling unit with carrying propelling unit, breakage propelling unit when avoiding contact with propelling unit.The first floating drum 120 is connected respectively with collet 110 both sides with the second floating drum 130, specifically, the first floating drum 120 is connected in a side of collet 110 by the strut member corresponding with it 150, the second floating drum 130 is connected in the opposite side of collet 110 by the strut member corresponding with it 160, like this, the first floating drum 120, the second floating drum 130 connect into U-shaped by strut member 150,160 and collet 110.On the first floating drum 120, be provided with to the interior injected water of the first floating drum 120 or the first valve 121 that 120 water in the first floating drum is got rid of with to being also provided with on second valve 122, the second floating drums 130 that inject air in the first floating drum or the air exhausting in the first floating drum is removed to injected water in the second floating drum or the first valve 131 that the water in the second floating drum is got rid of with to the second valve 132 that injects air or the air exhausting in the second floating drum is removed in the second floating drum.
In conjunction with consulting Fig. 5, second valve 122,132 is connected with an Air compressor 200 by each self-corresponding pipeline, is provided with air transfer valve and air diverter valve on pipeline.Preferably, the first floating drum 120 and the second floating drum 130 all comprise two cabins, and as shown in Figure 2, the first floating drum 120 comprises cabin 123(BT2) and cabin 124(BT1), the second floating drum 120 comprises cabin 133(BT3) and cabin 134(BT4).It should be noted that, corresponding one first valve in each cabin and a second valve (this point is not shown in the drawings), specifically, corresponding one first valve 121 in cabin 123 and a second valve 122, corresponding one first valve 121 in cabin 124 and a second valve 122, corresponding one first valve 131 in cabin 133 and a second valve 132, corresponding one first valve 131 in cabin 134 and a second valve 132.Second valve 122 on cabin 124 is connected with Air compressor 200 by pipeline 301, is provided with air transfer valve 311 and air diverter valve 321 on pipeline 301; Second valve 122 on cabin 123 is connected with Air compressor 200 by pipeline 302, is provided with air transfer valve 312 and air diverter valve 322 on pipeline 302.Second valve 132 on cabin 133 is connected with Air compressor 200 by pipeline 303, is provided with air transfer valve 313 and air diverter valve 323 on pipeline 303.Second valve 132 on cabin 134 is connected with Air compressor 200 by pipeline 304, is provided with air transfer valve 314 and air diverter valve 324 on pipeline 304.Preferably, between pipeline 301 ~ 304 and Air compressor 200, be also provided with air-safety valve 330.
During for convenient carrying propelling unit, propelling unit is fixed, on strut member 150, is provided with fence 140(and sees Fig. 3), similarly, on strut member 160, be also provided with fence (fence on strut member 160 is not shown in the drawings).And, between the first floating drum 120 and the second floating drum 130, be provided with fixedly stull 180 and removable stull 170.
Damaged propelling unit when preventing that propelling unit mounting and positioning device 100 from contacting with propelling unit, after propelling unit is placed on collet 110, collet 110 can not be interfered with propelling unit external structure, preferably, collet 110 comprises the collet framework 111 being welded by I-beam section and is arranged at the propelling unit adapter plate 112 on collet framework 111, and anti-striker 113 is set on propelling unit adapter plate 112.
The control principle of propelling unit mounting and positioning device 100 of the present invention is: when being loaded with angle of rake propelling unit mounting and positioning device 100, swim in sea, the first valve 121,131 is in normally open, open air transfer valve 311,312,313,314, close air diverter valve 321,322,323,324, seawater enters the first floating drum 120 and the second floating drum 130 by the first valve 121,131, the first floating drum 120 and the interior air of the second floating drum 130 are discharged from air transfer valve 311,312,313,314, realize the dive of propelling unit mounting and positioning device 100.Open air diverter valve 321,322,323,324, close air transfer valve 311,312,313,314, Air compressor 200 passes through second valve 122,132 to the first floating drum 120 and 130 li of injecting compressed airs of the second floating drum, seawater is got rid of from the first valve 121,131, realized the floating of propelling unit mounting and positioning device 100.
Further, the present invention provides and utilizes above-mentioned propelling unit mounting and positioning device propelling unit to be installed on to the method (being called for short propelling unit installation method under water) of buoyancy aid under platform, and in conjunction with consulting Fig. 6 to Fig. 8, its idiographic flow is:
Step S100, loads propelling unit 400 on the collet 110 of above-mentioned propelling unit mounting and positioning device 100;
Step S200, is transported to harbour by the propelling unit mounting and positioning device 100 that is mounted with propelling unit 400 and is incorporated to water;
Step S300, adjusts propelling unit mounting and positioning device 100 positions so that propelling unit 400 is positioned;
Step S400, by behind propelling unit mounting and positioning device 100 dive to desired locations, draw its to platform under buoyancy aid 500 opposite positions;
Step S500, promote propelling unit 400 to platform under the position that connects of buoyancy aid 500; And
Step S600, installation propeller 400 is under platform on buoyancy aid 500 correspondence positions.
Specifically, before step S100, preferably first carry out following steps: check that whether the major dimension of propelling unit mounting and positioning device 100 is by installation drawing construction, the connection of inspection removable component is safety whether; Check that whether the first valve 121,131 and second valve 122,132 be blocked; Check on propelling unit adapter plate 112 whether anti-striker 113 is installed.Meanwhile, also need to utilize instrument to obtain wind speed (6 grades of <), current (< 2.0m/s), the operating area depth of water (≮ 18m), another, also need to guarantee that operating area sea bed answers clear.In step S100, preferably utilize crane that propelling unit 400 is sling, be placed on the collet 111 of propelling unit mounting and positioning device 100, and use bandage to be fixed.
In step S200, can be according to actual conditions, select suitable transportation means, the propelling unit mounting and positioning device 100 that loads propelling unit 400 is transported to harbour assigned address, and according to pipeline control principle drawing (see figure 2) connecting line, and pipeline is carried out to airtight test, guarantee that pipeline is safe and reliable.Then, propelling unit mounting and positioning device 100 is placed in water, in put procedure, need closes air transfer valve 311,312,313,314, open air diverter valve 321,322,323,324, guarantee that propelling unit mounting and positioning device 100 can just float on the surface after entering water.
In step S300, comprise again step S310 and step S320.See Fig. 6, step S310 is connected the first floating drum 120 with one first hawser 601 of a platform dive winch, the second floating drum 130 is connected with the hawser 701 of a seashore loop wheel machine, and makes the first floating drum 120 buoyancy aid 500 under platform that reclines.Step S320 is by opening or closing the first valve 121, 131, second valve 122, 132, air transfer valve 311 ~ 314 and air diverter valve 321 ~ 324 are to adjust the first floating drum and the second floating drum, the control principle of the concrete visible aforementioned propelling unit mounting and positioning device 100 of regulative mode, that is to say, at this step S320, can close air diverter valve 321 ~ 324 simultaneously, slowly open air transfer valve 311 ~ 314, allow the first floating drum 120 and the second floating drum 130 intake, under Action of Gravity Field, allow propelling unit mounting and positioning device 100 sink, simultaneously, can arrange diver to report in real time the floading condition of two floating drums, and the state that utilizes switching air transfer valve 311 ~ 314 and air diverter valve 321 ~ 324 regulates the balance of the first floating drum 120 and the second floating drum 130, until propelling unit mounting and positioning device 100 sinks to specified altitude assignment (as to lower 2 meters of baseline).
In step S400, also comprise one second hawser 602 Connection Steps with platform dive winch by the first floating drum 120, and make the second hawser 602 keep tensioning state, see Fig. 7, the first hawser 601 windings are on one first reverse wheel 801, and this first reverse wheel 801 is arranged on first jiao 501 of buoyancy aid 500 under platform, and the second hawser 602 windings are on one second reverse wheel 802, the second reverse wheel 802 is arranged on second jiao 502 of buoyancy aid 500 under platform, and second jiao 502 relative with first jiao 501.Then, the tractive force double action at gravity and second hawser 602 of propelling unit 400, makes propelling unit 400 move to assigned address, in this process, the floading condition that must detect propelling unit mounting and positioning device 100, does not allow any waste motion, until reach position as shown in Figure 8.
Between step S400 and step S500, also comprise step S510, diver is connected to the hawser of hydraulic rockshaft 900 on the corresponding hanger of propelling unit 400, meanwhile, the angle of rake socket bottom cover 5031 of diver's underwater demolition; Step S520, carries out position adjustment so that propelling unit 400 is located again to propelling unit mounting and positioning device 100.In conjunction with consulting Fig. 8, after the top of propelling unit mounting and positioning device 100 and the lower surface of buoyancy aid under platform 500 contact, can further adjust (while carrying out this further adjustment, still can realize by opening or closing the first valve 121,131, second valve 122,132, air transfer valve 311 ~ 314 and air diverter valve 321 ~ 324), in this adjustment process, can increase at the top of propelling unit mounting and positioning device 100 by a plank, to prevent causing the damage to 500 paint of buoyancy aid under platform because of installation propeller; Then, can utilize 3 hydraulic rockshafts, 900 Synchronous lifting propelling units 400 to propelling unit 400 tops to start to enter propelling unit socket 503, push away sensor pin 5032 downwards; Continue to promote propelling unit 400, until after propelling unit 400 contacts with sensor pin 5032, more upwards promote a specified altitude assignment.
In step S600, need make buoyancy aid 500(under propelling unit 400 and platform is hull) fully fastening, relevant propelling unit 400 is installed on to the concrete operations on buoyancy aid 500 correspondence positions under platform, owing to being same as prior art and adopting the installation of orthodox method, at this, does not just repeat.
It should be noted that, in order to facilitate the repeated usage of propelling unit mounting and positioning device 100, after step S600, also to there is the propelling unit of recovery mounting and positioning device step S700.In this step, comprise step S701, remove removable stull 170, after being shifted out to propelling unit scope, propelling unit mounting and positioning device 100 connects again removable stull 170; Step S702, closes air diverter valve 321 ~ 324, opens air transfer valve 311 ~ 314, propelling unit mounting and positioning device 100 is sunk down into separated with buoyancy aid under platform 500; Step S703, towing propelling unit mounting and positioning device 100 is away from the side of a ship exterior domain of buoyancy aid under platform 500; And step S704, open air diverter valve 321 ~ 324, close air transfer valve 311 ~ 314, make propelling unit mounting and positioning device 100 float to realize recycling.
Certainly; the present invention also can have other various embodiments; in the situation that not deviating from spirit of the present invention and essence thereof; those of ordinary skill in the art are when making according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (11)
1. a propelling unit mounting and positioning device, is characterized in that, comprising:
Corresponding to propelling unit to carry angle of rake collet; And
The first floating drum and the second floating drum that are connected respectively with described collet both sides;
Wherein, on described the first floating drum, be provided with to injected water in the first floating drum or the first valve that the water in the first floating drum is got rid of with to the second valve that injects air or the air exhausting in the first floating drum is removed in the first floating drum, on described the second floating drum, be also provided with to injected water in the second floating drum or the first valve that the water in the second floating drum is got rid of with to the second valve that injects air or the air exhausting in the second floating drum is removed in the second floating drum, described second valve is connected with an Air compressor by pipeline, is provided with air transfer valve and air diverter valve on described pipeline.
2. propelling unit mounting and positioning device according to claim 1, is characterized in that, described the first floating drum is connected with described collet by each self-corresponding strut member respectively with the second floating drum.
3. propelling unit mounting and positioning device according to claim 2, is characterized in that, described the first floating drum, the second floating drum connect into U-shaped by described strut member and described collet.
4. propelling unit mounting and positioning device according to claim 2, is characterized in that, described the first floating drum and the second floating drum all comprise two cabins, second valve described in the first valve and described in each cabin all corresponding.
5. propelling unit mounting and positioning device according to claim 2, is characterized in that, on described strut member, is provided with fence.
6. propelling unit mounting and positioning device according to claim 2, is characterized in that, is provided with fixedly stull and removable stull between described the first floating drum and the second floating drum.
7. according to the propelling unit mounting and positioning device described in any one in claim 1 to 6, it is characterized in that, described collet comprises the collet framework being welded by I-beam section and is arranged at the propelling unit adapter plate on collet framework, on described propelling unit adapter plate, is provided with anti-striker.
8. a propelling unit installation method under water, for propelling unit being installed on to buoyancy aid under platform, is characterized in that, comprising:
Step S100, loads propelling unit on the collet of propelling unit mounting and positioning device as claimed in claim 1;
Step S200, will be mounted with angle of rake described propelling unit mounting and positioning device and be transported to harbour and be incorporated to water;
Step S300, adjusts described propelling unit mounting and positioning device position so that described propelling unit is positioned;
Step SS400, by behind described propelling unit mounting and positioning device dive to desired location, draw its to described platform under buoyancy aid opposite position;
Step S500, promote described propelling unit to described platform under the position that connects of buoyancy aid; And
Step S600, installs described propelling unit under described platform on buoyancy aid correspondence position;
Wherein, in described step S300, comprise again:
Step S310, is connected described the first floating drum with one first hawser of a platform dive winch, described the second floating drum is connected with the hawser of a seashore loop wheel machine, and makes described the first floating drum buoyancy aid under described platform that reclines; And
Step S320, by opening or closing described the first valve, described second valve, described air transfer valve and described air diverter valve so that described the first floating drum and the second floating drum are adjusted.
9. propelling unit according to claim 8 installation method under water, it is characterized in that, in described step S400, also comprise one second hawser Connection Step of described the first floating drum and described platform dive winch, wherein, described the first hawser winding is on one first reverse wheel, described the first reverse wheel is arranged on first jiao of buoyancy aid under described platform, described the second hawser winding is on one second reverse wheel, described the second reverse wheel is arranged on second jiao of buoyancy aid under described platform, described second jiao with described first jiao relative.
10. propelling unit according to claim 8 installation method under water, is characterized in that, after described step S600, also has the described propelling unit mounting and positioning device step S700 of recovery, in this step, comprising:
Step S701, removes removable stull, connects removable stull after described propelling unit mounting and positioning device is shifted out to propelling unit scope again;
Step S702, closes described air diverter valve, opens described air transfer valve, described propelling unit mounting and positioning device is sunk down into separated with buoyancy aid under described platform;
Step S703, pulls described propelling unit mounting and positioning device away from the side of a ship exterior domain of buoyancy aid under platform;
Step S704, opens described air diverter valve, closes described air transfer valve, makes described propelling unit mounting and positioning device floating.
11. propelling units according to claim 8 are installation method under water, it is characterized in that, between described step S400 and described step S500, also comprises:
Step S510, is connected to the hawser of hydraulic rockshaft on described angle of rake corresponding hanger, removes described angle of rake socket bottom cover simultaneously;
Step S520, carries out position adjustment so that described propelling unit is located again to described propelling unit mounting and positioning device.
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| CN109606539A (en) * | 2018-10-31 | 2019-04-12 | 沪东中华造船(集团)有限公司 | A kind of LNG ship cryogenic pipe systems air compressor roll-in installation method |
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