CN111498032A - Seawater lift pump tower and maritime work platform - Google Patents
Seawater lift pump tower and maritime work platform Download PDFInfo
- Publication number
- CN111498032A CN111498032A CN202010310290.5A CN202010310290A CN111498032A CN 111498032 A CN111498032 A CN 111498032A CN 202010310290 A CN202010310290 A CN 202010310290A CN 111498032 A CN111498032 A CN 111498032A
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- Prior art keywords
- tower
- platform
- water
- lift pump
- pipe
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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
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F2700/00—Lifting apparatus
- B66F2700/09—Other lifting devices
Abstract
The invention relates to a seawater lift pump tower and a maritime work platform. The seawater lift pump tower comprises a fixed cylinder fixedly connected to a maritime work platform, a tower frame assembled in the fixed cylinder in a guiding mode and a driving mechanism for driving the tower frame to lift, wherein the tower frame is provided with a water pumping pipe, a water pump connected with the water pumping pipe is arranged on the tower frame, a plurality of water outlet pipes arranged at intervals along the length direction of the water pumping pipe are arranged on the water pumping pipe, and each water outlet pipe is provided with a stop valve; the upper end of the fixed cylinder is provided with an installation platform arranged around the tower frame, and the driving mechanism is arranged on the installation platform. The seawater lift pump tower provided by the invention avoids the problem that in the prior art, the tower frame is easy to damage due to the fact that the water pipe is always connected to the uppermost end of the water lifting pipe and the tower frame bears larger wind load, gravity load and tensile load of the connecting hose. According to the invention, the installation platform is arranged on the upper side of the deck of the platform main body, so that the risk of the sea waves impacting or soaking the driving mechanism arranged on the installation platform is effectively reduced.
Description
Technical Field
The invention relates to the technical field of ships and ocean engineering equipment, in particular to a seawater lifting pump tower and a marine engineering platform.
Background
The seawater is widely applied to the self-elevating type marine platform, and a plurality of systems can not be isolated from the seawater. When the self-elevating marine platform is in a lifting state, the platform is supplied with seawater by a seawater lifting system. The main equipment of the conventional seawater lifting system of the self-elevating offshore platform is a seawater lifting pump tower and a seawater lifting hose winch.
The highest point of the conventional seawater lift pump tower is provided with a group of water outlets, the water outlets of the seawater lift pump tower are connected with the water inlet of the hull hard pipe through a connecting hose, and the seawater lift pump tower end of the connecting hose makes a corresponding stroke track along with the rising or falling working condition of the seawater lift pump tower, so that the connecting hose is required to have enough length. When the self-elevating marine platform is in a towing working condition, the seawater lifting pump tower is at the highest point, the connecting hose is connected to the water inlet of the hard pipe of the hull from the highest point of the seawater lifting pump tower, and the seawater lifting pump tower bears the effects of larger wind load, gravity load, tensile load of the connecting hose and the like; the connecting hose bears the effects of wind load, abrasion load, gravity load and the like, and the loads have damage risks to the seawater lifting pump tower and the connecting hose and influence the normal operation of the self-elevating marine platform seawater lifting system.
Disclosure of Invention
In order to solve the technical problems, the invention provides a seawater lifting pump tower and a marine platform, and aims to solve the technical problem that the seawater lifting pump tower in the prior art is easy to damage due to large wind load, gravity load and tensile load under the towing working condition.
The invention relates to a technical scheme of a seawater lift pump tower, which comprises the following steps:
a seawater lift pump tower comprises a fixed cylinder fixedly connected to a maritime work platform, a tower frame assembled in the fixed cylinder in a guiding mode and a driving mechanism for driving the tower frame to lift, wherein the tower frame is provided with a water lifting pipe, a water pump connected with the water lifting pipe is arranged on the tower frame, a plurality of water outlet pipes arranged at intervals along the length direction of the water lifting pipe are arranged on the water lifting pipe, and stop valves are arranged on the water outlet pipes; the upper end of the fixed cylinder is provided with an installation platform arranged around the tower frame, and the driving mechanism is arranged on the installation platform.
As a further improvement to the above technical solution, the tower is provided with a rack, the driving mechanism includes a motor and a speed reducer, and an output shaft of the speed reducer is provided with a gear matched with the rack.
As a further improvement of the above technical solution, the tower has two connecting pipes, the pumping pipe has two pumping pipes, the connecting pipes and the pumping pipe are respectively arranged at four corners of the rectangle, and the two pumping pipes are arranged diagonally, the number of the racks is four, and the four racks are symmetrically arranged on two sides of one connecting pipe in pairs and in a group.
As a further improvement to the technical scheme, a winding drum for winding and unwinding the cable is arranged on the mounting platform.
As a further improvement to the above technical solution, the tower is provided with a limiting part at the lower side of each water outlet pipe, and the mounting platform is provided with a limiting mechanism matched with the limiting part.
As a further improvement to the above technical solution, the limiting member includes a limiting plate fixedly connected to the tower, a limiting hole is formed in the limiting plate, and the limiting mechanism includes a limiting rod matched with the limiting hole and an electromagnet driving the limiting rod to enter and exit the limiting hole.
As a further improvement to the above technical solution, a limit switch is provided on the mounting platform, the tower is provided with a trigger structure for triggering the limit switch at the lower side of each water outlet pipe, the seawater lift pump tower is provided with a processor, the processor is connected with the limit switch, the limit mechanism and a driving mechanism thereof, the limit switch sends a signal to the processor when triggered, the processor receives the signal from the limit switch and then sends a signal to the driving mechanism and the limit mechanism, and controls the driving mechanism to stop and control the action of the limit mechanism to be matched with the limit part.
The invention relates to a technical scheme of a maritime work platform, which comprises the following steps:
a marine platform comprises a platform main body and a seawater lifting pump tower arranged on the platform main body, wherein the seawater lifting pump tower is the seawater lifting pump tower in any one technical scheme.
As a further improvement to the above technical solution, the installation platform is located on an upper side of a deck of the platform main body.
The invention provides a seawater lift pump tower and a maritime work platform, and compared with the prior art, the seawater lift pump tower has the beneficial effects that:
according to the seawater lifting pump tower, the plurality of water outlet pipes are arranged on the water lifting pipe, and the stop valves are respectively arranged on the water outlet pipes, so that a water pipe can be connected to the water outlet pipe at the lowest end when the marine platform is in a towing working condition, and the problem that a tower frame is easy to damage due to the fact that the water pipe is always connected to the uppermost end of the water lifting pipe in the prior art and a large wind load, a large gravity load and a large tensile load of a connecting hose are borne is solved. In addition, in the tower lifting process, the water pipe can be connected with the nearest water outlet pipe, so that the water pipe can keep a smaller inclination, the pulling force on the tower is reduced, and the tower is protected. Meanwhile, the water outlet pipe is also saved by connecting the water pipe with the nearest water outlet pipe.
According to the seawater lifting pump tower, the limiting mechanism is arranged on the mounting platform, the limiting piece is arranged on the tower frame, so that the tower frame can be kept at a fixed height, and the impact of the gravity of the tower frame on the driving mechanism is reduced.
According to the marine platform, the installation platform is arranged on the upper side of the deck of the platform main body, so that the risk that sea waves impact or soak the driving mechanism arranged on the installation platform is effectively reduced.
Drawings
FIG. 1 is a schematic structural view of the marine platform of the present invention;
FIG. 2 is a schematic diagram of a seawater lift pump tower of the present invention;
FIG. 3 is a schematic diagram of the first embodiment of the seawater lift pump tower of the present invention;
FIG. 4 is a top view of the seawater lift pump tower of the present invention;
in the figure: 1. a tower; 2. a connecting pipe; 3. a water raising pipe; 4. a water outlet pipe; 5. a stop valve; 6. a fixed cylinder; 7. an access hole; 8. a straight ladder; 9. overhauling the platform; 10. mounting a platform; 11. a handrail; 12. a reel; 13. a speed reducer; 14. a motor; 15. a gear; 16. a limiting mechanism; 17. a limiting plate; 18. a hose; 19. a rack; 20. a hard tube platform; 21. a water outlet main pipe; 22. stepping; 23. a water pump; 24. a marine platform; 25. the deck.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
The embodiment of the seawater lift pump tower of the present invention, as shown in fig. 1 to 4, comprises a tower frame 1, a driving mechanism, a fixed cylinder 6, a water pump 23 and a mounting platform 10. The tower frame 1 is assembled in the fixed cylinder 6 in a guiding mode, the mounting platform 10 is fixed on the fixed cylinder 6 and used for mounting a driving mechanism, and the driving mechanism drives the tower frame 1 to ascend and descend.
Wherein, pylon 1 includes two connecting pipes 2 and two lifting pipe 3, and two connecting pipes 2 and two lifting pipe 3 arrange in the four corners department of rectangle, and two lifting pipe 3 diagonal angle arrange. Be connected with the fixed pipe that is used for fixed connection pipe 2 and lifting pipe 3 between connecting pipe 2 and the lifting pipe 3 to the structural strength of reinforcing. The lower ends of the two water raising pipes 3 are respectively provided with a flange plate, the water pumps 23 are provided with two water pumps 23, and the two water pumps 23 are respectively connected with the water raising pipes 3 through hoses 18.
In this embodiment, a plurality of water outlet pipes 4 are welded to the two water lifting pipes 3, and the plurality of water outlet pipes 4 are arranged in the length direction of the water lifting pipes 3 at even intervals. The quantity of outlet pipe 4 on every lifting pipe 3 is the same, the position is the same, all is connected with stop valve 5 on every outlet pipe 4, and the end connection of every outlet pipe 4 has quick-operation joint. Preferably, the number of the water outlet pipes 4 on each water lifting pipe 3 is four, wherein one water outlet pipe 4 is positioned at one end of the water lifting pipe 3 far away from the water pump 23, and the other three water outlet pipes 4 are uniformly arranged at intervals in the length direction of the water lifting pipe 3.
In this embodiment, the fixed cylinder 6 is used for being welded and fixed on a deck of the maritime work platform 24, the tower frame 1 is assembled in the fixed cylinder 6 in a guiding mode, the installation platform 10 is welded at the upper end of the fixed cylinder 6, and the installation platform 10 is arranged around the tower frame 1. The mounting platform 10 is of an annular structure, and the outer edge of the annular mounting platform 10 is fixedly connected with a handrail 11 which is circumferentially arranged. The circumferentially arranged handrail 11 has a gap to facilitate the passage of a hard pipe connected to the outlet pipe 4. The one end that outlet pipe 4 was kept away from to the hard tube is connected with the coupling on the hard tube platform 20, in this embodiment, has arranged the hard tube on the hard tube platform 20 and has intake the outlet manifold 21 to the reservoir of marine platform 24, and the guardrail has been arranged to hard tube platform 20 circumference, and hard tube platform 20 still is provided with the 22 of marking time towards one side of mounting platform 10 to the staff comes and goes mounting platform 10 and hard tube platform 20.
In this embodiment, two racks 19 are welded and fixed to the two connecting pipes 2, respectively, the racks 19 extend along the length direction of the connecting pipes 2, and the two racks 19 are arranged symmetrically with respect to the central axis plane of the connecting pipes 2. The driving mechanism comprises four motors 14, and the four motors 14 are respectively fixed on the mounting platform 10. Each motor 14 is respectively connected with a speed reducer 13 in a transmission way, and the output shaft of the speed reducer 13 is connected with a gear 15 matched with the rack 19. When the motor 14 rotates, the gear 15 is driven to move along the rack 19, and the tower 1 is lifted.
After the driving mechanism drives the tower 1 to ascend and descend to a preset position, the impact of the gravity of the tower 1 on the driving mechanism is reduced. In this embodiment, the tower frame 1 is fixed with a limiting member by welding at the lower side of each water outlet pipe 4, preferably, the limiting member is a limiting plate 17, and the limiting plate 17 is provided with a limiting hole. Correspondingly, a limiting mechanism 16 is fixedly connected to the mounting platform 10, and preferably, the limiting mechanism 16 includes a limiting rod matched with the limiting hole and an electromagnet for driving the limiting rod to enter and exit the limiting hole. When the electromagnet drives the limiting rod to enter the limiting hole, the limiting rod and the limiting part are stopped up and down, so that the tower 1 is prevented from falling, and the gravity load of the tower 1 on the driving mechanism is reduced.
In order to realize the automatic operation of the driving mechanism, in this embodiment, the mounting platform 10 is provided with a processor and a limit switch, and the tower frame 1 is provided with a trigger structure for triggering the limit switch at the lower side of each water outlet pipe 4. When the trigger structure is installed and the trigger structure needs to be triggered to trigger the limit switch, the limit rod can enter the limit hole. The processor is electrically connected with the limit switch, the motor 14 and the electromagnet, the limit switch sends a signal to the processor after triggering, the processor sends a signal to the motor 14 and the electromagnet after receiving the signal of the limit switch, the motor 14 is controlled to stop driving the tower frame 1 to move, and the electromagnet is controlled to drive the limit rod to enter the limit hole.
In this embodiment, the mounting platform 10 is provided with a cable drum 12 for winding and unwinding the cable, so that the mounting platform 10 is more orderly. The access hole 7 has been seted up on the outer wall of a fixed section of thick bamboo 6, fixedly connected with vertical ladder 8 on the pylon 1, and the downside of a fixed section of thick bamboo 6 is equipped with overhauls platform 9, and operating personnel accessible access hole 7 gets into to a fixed section of thick bamboo 6 in to get into through vertical ladder 8 and overhaul platform 9 and overhaul water pump 23.
When the seawater lifting pump tower is used, when tide occurs, the driving mechanism drives the water pump 23 at the lower end of the tower frame 1 to submerge, the hose 18 is connected with the water outlet pipe 4 closest to the upper side of the mounting platform 10, and the seawater pump 23 is sent to a water storage bin on a maritime work platform 24. After tide, the sea level is lowered, the water pump 23 leaks out of the water surface, the driving mechanism drives the water pump 23 to submerge, the hose 18 is connected with the water outlet pipe 4 which is closest to the upper side of the mounting platform 10, and the sea water pump 23 is sent into a water storage bin of the marine engineering platform 24. When the seawater lifting pump tower is in various working conditions, the hose 18 can keep the minimum inclination, so that the tensile load of the hose 18 on the tower frame 1 is reduced.
According to the seawater lifting pump tower, the plurality of water outlet pipes 4 are arranged on the lifting pipe 3, the stop valves 5 are respectively arranged on the water outlet pipes 4, and when the marine platform 24 is in a towing working condition, a water pipe can be connected to the water outlet pipe 4 at the lowest end, so that the problem that the tower frame 1 is damaged easily due to the fact that the water pipe is always connected to the uppermost end of the lifting pipe 3 in the prior art and a large wind load, a large gravity load and a large tensile load of the connecting hose 18 are borne is solved. In addition, in the lifting process of the tower frame 1, the water pipe can be connected with the nearest water outlet pipe 4, so that the water pipe can keep a smaller inclination, the pulling force on the tower frame 1 is reduced, and the tower frame 1 is protected. Meanwhile, the water pipe is connected with the nearest water outlet pipe 4, so that the water outlet pipe 4 is saved.
According to the seawater lifting pump tower, the limiting mechanism 16 is arranged on the mounting platform 10, and the limiting piece is arranged on the tower frame 1, so that the tower frame 1 can be kept at a fixed height, and the impact of the gravity of the tower frame 1 on the driving mechanism is reduced.
The specific embodiment of the marine platform comprises a platform main body and a seawater lift pump tower arranged on the platform main body, and the seawater lift pump tower in the embodiment has the same structure as the seawater lift pump tower in the embodiment, and is not described again.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (9)
1. A seawater lift pump tower which is characterized in that: the marine engineering water pump comprises a fixed cylinder fixedly connected to a marine engineering platform, a tower frame assembled in the fixed cylinder in a guiding mode and a driving mechanism for driving the tower frame to ascend and descend, wherein the tower frame is provided with a water lifting pipe, a water pump connected with the water lifting pipe is arranged on the tower frame, a plurality of water outlet pipes are arranged on the water lifting pipe at intervals along the length direction of the water lifting pipe, and each water outlet pipe is provided with a stop valve; the upper end of the fixed cylinder is provided with an installation platform arranged around the tower frame, and the driving mechanism is arranged on the installation platform.
2. The seawater lift pump tower of claim 1, wherein: the tower is provided with a rack, the driving mechanism comprises a motor and a speed reducer, and a gear matched with the rack is arranged on an output shaft of the speed reducer.
3. The seawater lift pump tower of claim 2, wherein: the tower is provided with two connecting pipes, the number of the water lifting pipes is two, the connecting pipes and the water lifting pipes are arranged at four corners of a rectangle respectively, the two water lifting pipes are arranged diagonally, the number of the racks is four, and the four racks are symmetrically arranged on two sides of one connecting pipe in a pairwise and one group.
4. The seawater lift pump tower of claim 3, wherein: and a winding drum for winding and unwinding the cable is arranged on the mounting platform.
5. The seawater lift pump tower of claim 1, wherein: the pylon is equipped with the locating part respectively in the downside of each outlet pipe, be equipped with on the mounting platform with locating part assorted stop gear.
6. Seawater lift pump tower according to claim 5, wherein: the limiting part comprises a limiting plate fixedly connected to the tower, a limiting hole is formed in the limiting plate, and the limiting mechanism comprises a limiting rod matched with the limiting hole and an electromagnet driving the limiting rod to enter and exit the limiting hole.
7. Seawater lift pump tower according to claim 5, wherein: the installation platform is provided with a limit switch, the tower is provided with a trigger structure used for triggering the limit switch at the lower side of each water outlet pipe, the seawater lifting pump tower is provided with a processor, the processor is connected with the limit switch, the limit mechanism and a driving mechanism of the limit switch, the limit switch sends a signal to the processor when triggered, the processor receives the signal from the limit switch and then sends a signal to the driving mechanism and the limit mechanism, and the driving mechanism stops and controls the action of the limit mechanism and the limiting part to be matched.
8. The utility model provides a marine platform, includes the platform main part and installs seawater lift pump tower in the platform main part, its characterized in that: the seawater lift pump tower is the seawater lift pump tower as defined in any one of claims 1 to 8.
9. The marine platform of claim 8, wherein: the mounting platform is located on an upper side of a deck of the platform body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010310290.5A CN111498032A (en) | 2020-04-17 | 2020-04-17 | Seawater lift pump tower and maritime work platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010310290.5A CN111498032A (en) | 2020-04-17 | 2020-04-17 | Seawater lift pump tower and maritime work platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111498032A true CN111498032A (en) | 2020-08-07 |
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ID=71867505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010310290.5A Pending CN111498032A (en) | 2020-04-17 | 2020-04-17 | Seawater lift pump tower and maritime work platform |
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| Country | Link |
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| CN (1) | CN111498032A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112441187A (en) * | 2020-12-15 | 2021-03-05 | 上海瓯洋海洋工程有限公司 | Non-immersed seawater pump lifting device and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160195102A1 (en) * | 2009-07-27 | 2016-07-07 | Flowserve Management Company | Pump with integral caisson discharge |
| CN106005290A (en) * | 2016-05-19 | 2016-10-12 | 武汉船用机械有限责任公司 | Electric seawater lifting device suitable for ocean platform |
| CN205937197U (en) * | 2016-08-23 | 2017-02-08 | 江阴市安海船舶设备有限公司 | Sea water promotes tower |
| CN108189977A (en) * | 2017-12-28 | 2018-06-22 | 太重（天津）滨海重型机械有限公司 | Seawater lift pump tower and offshore platform |
| CN108609123A (en) * | 2018-05-18 | 2018-10-02 | 武汉船用机械有限责任公司 | Seawater lift device |
| JP2020055511A (en) * | 2018-10-02 | 2020-04-09 | 宮奥 了州 | Deep water raising and dispersion device |
-
2020
- 2020-04-17 CN CN202010310290.5A patent/CN111498032A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160195102A1 (en) * | 2009-07-27 | 2016-07-07 | Flowserve Management Company | Pump with integral caisson discharge |
| CN106005290A (en) * | 2016-05-19 | 2016-10-12 | 武汉船用机械有限责任公司 | Electric seawater lifting device suitable for ocean platform |
| CN205937197U (en) * | 2016-08-23 | 2017-02-08 | 江阴市安海船舶设备有限公司 | Sea water promotes tower |
| CN108189977A (en) * | 2017-12-28 | 2018-06-22 | 太重（天津）滨海重型机械有限公司 | Seawater lift pump tower and offshore platform |
| CN108609123A (en) * | 2018-05-18 | 2018-10-02 | 武汉船用机械有限责任公司 | Seawater lift device |
| JP2020055511A (en) * | 2018-10-02 | 2020-04-09 | 宮奥 了州 | Deep water raising and dispersion device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112441187A (en) * | 2020-12-15 | 2021-03-05 | 上海瓯洋海洋工程有限公司 | Non-immersed seawater pump lifting device and method |
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Application publication date: 20200807 |
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