CN219237321U - Offshore working platform - Google Patents

Offshore working platform Download PDF

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CN219237321U
CN219237321U CN202320865136.3U CN202320865136U CN219237321U CN 219237321 U CN219237321 U CN 219237321U CN 202320865136 U CN202320865136 U CN 202320865136U CN 219237321 U CN219237321 U CN 219237321U
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platform base
water
pipe
platform
cavity
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CN202320865136.3U
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王凯
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Abstract

The utility model discloses an offshore working platform, which relates to the technical field of offshore equipment and comprises the following components: a platform base; the top end of the bearing buoyancy tank is fixedly connected with the bottom end of the platform base; the caisson comprises a box body, wherein a cavity and a loading part are sequentially arranged in the box body from top to bottom, and the edge of the loading part is in sealing connection with the inner wall of the box body; the water passing unit comprises a first water pump, a first water passing pipe and a first ventilation pipe, the first water pump is arranged on the platform base, one end of the first water passing pipe is communicated with a water inlet or a water outlet of the first water pump, the other end of the first water passing pipe stretches into a cavity of the corresponding caisson, one end of the first ventilation pipe is arranged on the platform base and communicated with the atmosphere, and the other end of the first ventilation pipe is communicated with the top end of the cavity; the traction unit comprises a winch and a cable wound on the winch, the winch is fixedly arranged on the platform base, and the free end of the cable is fixedly connected with the top of the corresponding caisson. The utility model improves the convenience of the position adjustment of the offshore platform.

Description

Offshore working platform
Technical Field
The utility model relates to the technical field of offshore equipment, in particular to an offshore working platform.
Background
Offshore wind power generation gradually becomes a development trend, and offshore platforms for offshore wind power generation are all pile driving fixing modes at present, so that the foundation investment is large, the position is fixed inflexibly, the height cannot be adjusted according to the actual condition of sea waves, and the maintenance is troublesome.
Patent CN203497138U discloses an offshore platform, which floats a platform base on the sea surface through a bearing buoyancy tank, connects the platform base with a gravity lump sunk on the sea bottom through a cable, and adjusts the height of the platform base by winding and unwinding the cable through a winch fixed on the platform base.
But its gravity lump deposits on the seabed owing to self gravity, and the gravity that the gravity lump is very big to can't conveniently remove the position, so can't conveniently adjust offshore platform's setting position.
In addition, when the platform base needs to have a lower height, the winch needs to overcome the buoyancy of the bearing buoyancy tank to enable the platform base to descend, the energy consumption is high, and the winch cannot descend to a height when the power of the winch is insufficient to overcome the buoyancy of the bearing buoyancy tank.
Disclosure of Invention
The utility model aims to provide an offshore platform, which solves the problems in the prior art, can more flexibly adjust the position and the height of the offshore platform, and improves the convenience of the position adjustment of the offshore platform.
In order to achieve the above object, the present utility model provides the following solutions:
the utility model provides an offshore work platform, comprising:
a platform base;
the top end of the bearing buoyancy tank is fixedly connected with the bottom end of the platform base;
at least three caissons, all of which are uniformly distributed along the circumference of the platform base; the caisson comprises a box body, wherein a cavity and a load part are sequentially arranged in the box body from top to bottom, the cavity is sealed, and the edge of the load part is in sealing connection with the inner wall of the box body; when the cavity is filled with gas, the caisson can float on the sea surface;
the water passing units are in one-to-one correspondence with the caissons; the water passing unit comprises a first water pump, a first water passing pipe and a first ventilation pipe, wherein the first water pump is arranged on the platform base, one end of the first water passing pipe is communicated with a water inlet or a water outlet of the first water pump, the other end of the first water passing pipe extends into the corresponding cavity of the caisson and is fixed at the bottom end of the cavity, one end of the first ventilation pipe is arranged on the platform base and is communicated with the atmosphere, and the other end of the first ventilation pipe is communicated with the top end of the cavity;
traction units corresponding to the caissons one by one; the traction unit comprises a winch and a cable wound on the winch, the winch is fixedly arranged on the platform base, and the free end of the cable is fixedly connected with the top of the corresponding caisson.
Preferably, the bearing buoyancy tank is provided with a closed hollow part, the hollow part is communicated with a water inlet or a water outlet of a second water pump arranged on the platform base through a second water through pipe, and one end of the second water through pipe extending into the hollow part is fixedly arranged at the bottom end of the hollow part;
the top end of the hollow part is also communicated with one end of a second vent pipe, and the other end of the second vent pipe is arranged on the platform base and communicated with the atmosphere.
Preferably, the second ventilation pipe and the second ventilation pipe are in one-to-one correspondence with the bearing buoyancy tanks.
Preferably, when the bearing buoyancy tanks are one, the bearing buoyancy tanks are arranged right below the platform base;
when the number of the bearing buoyancy tanks is at least two, all the bearing buoyancy tanks are uniformly distributed below the platform base.
Preferably, all the windlass is uniformly distributed along the circumferential direction of the platform base.
Preferably, the winch is fixedly arranged on the side wall of the platform base.
Compared with the prior art, the utility model has the following technical effects:
the offshore working platform can flexibly adjust the position and the height of the offshore working platform, and improves the convenience of the position adjustment of the offshore platform.
Specifically, the offshore work platform can enable the caisson to sink on the sea by pumping water into the cavity in the caisson, and when the position of the offshore work platform needs to be adjusted, the water in the cavity of the caisson can be pumped out through the first water pump, so that the caisson can float on the sea, and the platform base and all the caissons can be conveniently towed through a ship, thereby being convenient for adjusting the integral setting position of the offshore work platform and being extremely convenient.
Secondly, when all caissons are sunk on the seabed and the height of the platform base needs to be reduced, water can be pumped into the hollow part of the bearing buoyancy tank through a second water pump before the mooring rope is contracted through the winch, so that the draft of the bearing buoyancy tank is increased, the height of the platform base is automatically reduced, and the energy consumption for contracting the mooring rope through the winch is reduced;
in addition, when all caissons sink on the seabed and the height of the platform base needs to be raised, before the mooring rope is released through the winch, if water is stored in the hollow part of the bearing buoyancy tank, part of the water in the hollow part of the bearing buoyancy tank can be pumped out through the second water pump, so that the buoyancy of the bearing buoyancy tank is increased, and the bearing buoyancy tank is ensured to have enough buoyancy to enable the platform base to float upwards.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the structure of an offshore platform according to the present utility model;
wherein, 1, sea water; 2. seabed. 3. A platform base; 4. carrying a buoyancy tank; 5. a caisson; 6. a cavity; 7. a load carrying section; 8. a cable; 9. a hoist; 10. a first water pipe; 11. a first vent pipe; 12. a first water pump; 13. a second water pump; 14. a second water passing pipe; 15. and a second vent pipe.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model aims to provide an offshore platform, which solves the problems in the prior art, can more flexibly adjust the position and the height of the offshore platform, and improves the convenience of the position adjustment of the offshore platform.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
As shown in fig. 1, the present embodiment provides an offshore work platform, comprising a platform base 3, two bearing buoyancy tanks 4, four caissons 5, four water passing units and four traction units.
Wherein, all bearing buoyancy tanks 4 are uniformly distributed below the platform base 3. The top end of each bearing buoyancy tank 4 is fixedly connected with the bottom end of the platform base 3; in this embodiment, the carrying buoyancy tank 4 has a higher height, so that the platform base 3 has a larger height adjustment range, and in practical application, a technician can appropriately adjust the height of the carrying buoyancy tank 4 according to actual needs.
In this embodiment, the bearing buoyancy tank 4 has a sealed hollow portion, the hollow portion is communicated with a water inlet or a water outlet of the second water pump 13 arranged on the platform base 3 through the second water through pipe 14, and one end of the second water through pipe 14 extending into the hollow portion is fixedly arranged at the bottom end of the hollow portion; the top end of the hollow part is also communicated with one end of a second vent pipe 15, and the other end of the second vent pipe 15 is arranged on the platform base 3 and communicated with the atmosphere. The second ventilation pipes 14 and 15 are in one-to-one correspondence with the bearing buoyancy tanks 4.
All caissons 5 are evenly distributed along the circumference of the platform base 3; in the embodiment, the caisson 5 comprises a box body, wherein a cavity 6 and a load part 7 are sequentially arranged in the box body from top to bottom, the cavity 6 is closed, and the edge of the load part 7 is in sealing connection with the inner wall of the box body; when the cavity 6 is filled with gas, the caisson 5 can float on the sea surface; it will be readily appreciated that the volume of water stored in the cavity 6 has a threshold value above which the caisson 5 can be submerged from the sea water 1 under the influence of the load carrying portion 7 and deposited on the sea floor 2 when the volume of water stored in the cavity 6 is above this threshold value; the weight blocks have a sufficient weight to prevent the platform base 3 from rocking under the influence of sea waves.
The water passing units and the traction units are in one-to-one correspondence with the caissons 5.
Each water passing unit comprises a first water pump 12, a first water passing pipe 10 and a first ventilation pipe 11, wherein the first water pump 12 is arranged on the platform base 3, one end of the first water passing pipe 10 is communicated with a water inlet or a water outlet of the first water pump 12, the other end of the first water passing pipe 10 extends into a cavity 6 of the corresponding caisson 5 and is fixed at the bottom end of the cavity 6, one end of the first ventilation pipe 11 is arranged on the platform base 3 and is communicated with the atmosphere, and the other end of the first ventilation pipe is communicated with the top end of the cavity 6; when the first water through pipe 10 is communicated with the water inlet of the first water pump 12, the water in the cavity 6 can be pumped out through the first water pump 12, and when the first water through pipe 10 is communicated with the water outlet of the first water pump 12, the water can be pumped into the cavity 6 through the first water pump 12.
Each traction unit comprises a winch 9 and a cable 8 wound on the winch 9, the winch 9 is fixedly arranged on the platform base 3, and the free end of the cable 8 is fixedly connected with the top of the corresponding caisson 5; the height of the platform base 3 can be adjusted by winding and unwinding the cable 8 by the hoist 9. All the winches 9 are uniformly distributed along the circumferential direction of the platform base 3.
In this embodiment, the hoist 9 is fixed to the side wall of the platform base 3.
It should be noted that the number of the bearing floating tanks 4, the number of the caissons 5, the number of the water passing units and the number of the traction units can be appropriately adjusted according to actual needs, and those skilled in the art will be able to make the above adjustments based on the disclosure of the present embodiment.
The specific working principle of the offshore working platform in this embodiment is as follows:
the caisson 5 can be sunk on the seabed 2 by pumping water into the cavity 6 in the caisson 5 through the first water pump 12, and when the position of the offshore working platform needs to be adjusted, the water in the cavity 6 of the caisson 5 can be pumped out through the first water pump 12, so that the caisson 5 can float on the sea, the towing platform base 3 and all the caissons 5 can be conveniently towed through a ship, and the integral setting position of the offshore working platform can be conveniently adjusted, and the device is extremely convenient.
Secondly, when all caissons 5 are sunk on the seabed 2 and the height of the platform base 3 needs to be reduced, water can be pumped into the hollow part of the bearing buoyancy tank 4 through the second water pump 13 before the mooring rope 8 is contracted through the winch 9, so that the draft of the bearing buoyancy tank 4 is increased, the height of the platform base 3 is automatically reduced, and the energy consumption for contracting the mooring rope 8 through the winch 9 is reduced;
in addition, when all caissons 5 are sunk on the seabed 2 and the height of the platform base 3 needs to be raised, if the hollow part of the carrying buoyancy tank 4 stores water before the cable 8 is released by the winch 9, the water in the hollow part of the carrying buoyancy tank 4 can be pumped out by the second water pump 13 to increase the buoyancy of the carrying buoyancy tank 4, so that the carrying buoyancy tank 4 is ensured to have enough buoyancy to enable the platform base 3 to float upwards.
In summary, the offshore platform according to the embodiment can flexibly adjust the position and the height, and the convenience of adjusting the position of the offshore platform is improved.
In the description of the present utility model, it should be noted that the terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The principles and embodiments of the present utility model have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present utility model; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.

Claims (6)

1. An offshore work platform, comprising:
a platform base;
the top end of the bearing buoyancy tank is fixedly connected with the bottom end of the platform base;
at least three caissons, all of which are uniformly distributed along the circumference of the platform base; the caisson comprises a box body, wherein a cavity and a load part are sequentially arranged in the box body from top to bottom, the cavity is sealed, and the edge of the load part is in sealing connection with the inner wall of the box body; when the cavity is filled with gas, the caisson can float on the sea surface;
the water passing units are in one-to-one correspondence with the caissons; the water passing unit comprises a first water pump, a first water passing pipe and a first ventilation pipe, wherein the first water pump is arranged on the platform base, one end of the first water passing pipe is communicated with a water inlet or a water outlet of the first water pump, the other end of the first water passing pipe extends into the corresponding cavity of the caisson and is fixed at the bottom end of the cavity, one end of the first ventilation pipe is arranged on the platform base and is communicated with the atmosphere, and the other end of the first ventilation pipe is communicated with the top end of the cavity;
traction units corresponding to the caissons one by one; the traction unit comprises a winch and a cable wound on the winch, the winch is fixedly arranged on the platform base, and the free end of the cable is fixedly connected with the top of the corresponding caisson.
2. Offshore working platform according to claim 1, characterized in that: the bearing buoyancy tank is provided with a sealed hollow part, the hollow part is communicated with a water inlet or a water outlet of a second water pump arranged on the platform base through a second water through pipe, and one end of the second water through pipe extending into the hollow part is fixedly arranged at the bottom end of the hollow part;
the top end of the hollow part is also communicated with one end of a second vent pipe, and the other end of the second vent pipe is arranged on the platform base and communicated with the atmosphere.
3. Offshore working platform according to claim 2, characterized in that: the second ventilation pipes and the second ventilation pipes are in one-to-one correspondence with the bearing buoyancy tanks.
4. Offshore working platform according to claim 1, characterized in that: when the bearing buoyancy tanks are one, the bearing buoyancy tanks are arranged right below the platform base;
when the number of the bearing buoyancy tanks is at least two, all the bearing buoyancy tanks are uniformly distributed below the platform base.
5. Offshore working platform according to claim 1, characterized in that: all the windlass are uniformly distributed along the circumferential direction of the platform base.
6. Offshore working platform according to claim 1, characterized in that: the winch is fixedly arranged on the side wall of the platform base.
CN202320865136.3U 2023-04-13 2023-04-13 Offshore working platform Active CN219237321U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320865136.3U CN219237321U (en) 2023-04-13 2023-04-13 Offshore working platform

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320865136.3U CN219237321U (en) 2023-04-13 2023-04-13 Offshore working platform

Publications (1)

Publication Number Publication Date
CN219237321U true CN219237321U (en) 2023-06-23

Family

ID=86839511

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320865136.3U Active CN219237321U (en) 2023-04-13 2023-04-13 Offshore working platform

Country Status (1)

Country Link
CN (1) CN219237321U (en)

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