CN-114518083-B - Arch sag detector for floating ocean platform pontoon

Abstract

The invention discloses an arch sag detection device of a floating ocean platform buoy, and relates to the technical field of buoy arch sag detection devices. The intelligent air pressure sensor and temperature sensor device comprises a mounting cover, an air pressure sensor, a temperature sensor and a storage battery are mounted on the inner wall of the mounting cover, the storage battery respectively supplies power to the air pressure sensor and the temperature sensor, the bottom end of the mounting cover is fixedly connected with a magnetic sucker through a transition network, the air pressure sensor and the temperature sensor are respectively connected with a signal transmitter through data transmission cables, and water-insoluble gas is injected into the mounting cover through a gas pipe. The invention has the beneficial effects that after the installation covers are adsorbed with the pontoons through the magnetic sucking discs, water-insoluble gas is injected into the installation covers to form a stable environment in the pontoons, the internal pressure and the external pressure of the pontoons are kept consistent, and the pressure of different depths under water is different, so that whether the pontoons sag or not and sag data are detected through the transmitted air pressure data in the installation covers, and the operation is convenient and flexible.

Inventors

• YI DIFEI
• Gai Weiteng
• LIU KANG
• LIU CHENGFENG
• PENG WEIFANG
• ZHANG XIULIN
• LV JIN
• ZHANG LIN
• LIANG HAIBO
• FENG MENG
• ZHANG XIANGYUE
• CHEN TUSHUN
• YUAN ZHENG

Assignees

• 中国海洋石油集团有限公司
• 中国海洋石油集团有限公司
• 中海石油(中国)有限公司海南分公司
• 中海石油(中国)有限公司海南分公司
• 中海油(广东)安全健康科技有限责任公司
• 中海油(广东)安全健康科技有限责任公司

Dates

Publication Date

20260421

Application Date

20220314

Priority Date

20220314

Claims (5)

1. 1. A floating ocean platform pontoon arch sag detection device comprises an ocean platform and a pontoon for constructing the ocean platform, and is characterized by comprising a mounting cover (1), wherein a buckle (2) is fixedly connected to the outer wall of the mounting cover (1), an air pressure sensor (3), a temperature sensor (4) and a storage battery (5) are arranged on the inner wall of the mounting cover (1), the storage battery (5) respectively supplies power to the air pressure sensor (3) and the temperature sensor (4), the mounting cover (1) comprises an open bottom end and a top end opposite to the open bottom end, the bottom end of the mounting cover (1) is fixedly connected with a magnetic sucker (7) through a transition network (6), the magnetic sucker (7) is in adsorptive connection with the pontoon (18), the top end of the mounting cover (1) is fixedly connected with a buoy (9) through a lifting rope (8), a signal transmitter (10) is arranged in the buoy (9), a data transmission cable (11) and a storage battery (12) are arranged in the lifting rope (8), the air pressure sensor (3) and the temperature sensor (4) are respectively powered on the air pressure sensor (3) and the temperature sensor (4) through the data transmission cable (11) and are respectively connected with the signal transmission cable (10) and the air pressure sensor (4) in a sealing mode, the air pressure sensor is arranged in the air pressure sensor (1) and is connected with the air pressure transmitter (12) in a sealing mode, and the air pressure sensor is arranged in the air pressure sensor (1) in a sealing mode, and one end is combined with the air pressure sensor (1, the other end of the air pipe (12) passes through the buoy (9) in a sealing way, a one-way valve (13) is arranged in the air pipe (12), and water-insoluble gas is injected into the installation cover (1) through the air pipe (12).
2. 2. The sagging detection device for the floating ocean platform pontoon (18) according to claim 1, wherein the magnetic suction disc (7) and the suction end of the pontoon (18) are provided with grooves (14), limit switches (15) are respectively arranged on the outer walls of the pontoon (18), the limit switches (15) comprise push rods (16), and the grooves (14) are correspondingly matched with the limit switches (15) in position.
3. 3. The sagging detection device for the floating ocean platform buoy (18) according to claim 2 is characterized in that a protection pad (17) is fixedly attached to the outer wall of the magnetic sucker (7), and the protection pad (17) is correspondingly matched with the magnetic sucker (7) in shape.
4. 4. The sagging detection apparatus for a floating platform buoy (18) as claimed in claim 1, wherein the water-insoluble gas is methane.
5. 5. The sagging detection apparatus of a floating ocean platform buoy (18) according to claim 1, characterized in that the outer surface of the installation cover (1) is coated with a teflon coating.

Description

Arch sag detector for floating ocean platform pontoon Technical Field The invention relates to the technical field of float bowl arch sagging detection appliances. Background The floating ocean platform is used as a submerged body and is submerged to a certain depth, the pontoon is affected by external factors such as ocean currents and the like after being constructed and submerged, the sagging of the pontoon is required to be detected for ensuring the operation safety of the ocean platform, the sagging of the pontoon is conventionally detected by additionally installing a Brillouin optical fiber sensor, the current ocean platform is inconvenient to construct due to the influences of pipeline arrangement, installation process and the like when the sensor is installed on the current ocean platform, so that the floating ocean platform is difficult to install, has higher installation cost, is directly contacted with an ocean environment after being installed, and the temperature and marine organisms in the ocean environment are all interfered with the detection of the sensor, so that the detection accuracy is influenced, and in the later installation process, the sagging of the pontoon is required to be detected, the basic state is lost when the sensor is arranged, so that the sensor is required to be corrected again, and the sensor is limited to be used. Disclosure of Invention The invention aims to solve the technical problems and provides an arch sag detector for a floating ocean platform buoy, which aims to overcome the technical defects. After the installation cover is adsorbed with the pontoon through the magnetic chuck, water-insoluble gas is injected into the installation cover to form a stable environment in the pontoon and keep the internal pressure and the external pressure of the pontoon consistent, and the pressure of different depths under water is different, so that whether the pontoon sags or not and the sagging data are detected through the transmitted air pressure data in each installation cover, and the operation is convenient and flexible. The technical scheme includes that the sagging detector comprises a mounting cover, a buckle is fixedly connected to the outer wall of the mounting cover, an air pressure sensor, a temperature sensor and a storage battery are mounted on the inner wall of the mounting cover, the storage battery respectively supplies power to the air pressure sensor and the temperature sensor, the mounting cover comprises an open bottom end and a top end opposite to the open bottom end, the bottom end of the mounting cover is fixedly connected with a magnetic sucker through a transition net and is in adsorptive connection with a buoy, the top end of the mounting cover is fixedly connected with the buoy through a lifting rope, a signal transmitter is mounted in the buoy, a data transmission cable and a gas pipe are arranged in the lifting rope, the air pressure sensor and the temperature sensor are connected with the signal transmitter through the data transmission cable, one end of the gas pipe penetrates into the mounting cover in a sealing mode and is connected with the mounting cover, the other end of the gas pipe penetrates out of the buoy in a sealing mode, a one-way valve is mounted in the gas pipe, and water-insoluble gas is injected into the mounting cover through the gas pipe. According to the technical scheme, the magnetic sucking disc of the arch sag detection device of the floating ocean platform pontoon and the sucking end of the pontoon are provided with grooves, limit switches are respectively arranged on the outer walls of the pontoons, each limit switch comprises a push rod, and the grooves are correspondingly matched with the positions of the limit switches. According to the technical scheme, the protection pad is fixedly attached to the outer wall of the magnetic sucker of the sagging detection device of the floating ocean platform buoy, and the protection pad is correspondingly matched with the magnetic sucker in shape. Further optimizing the technical scheme, the water-insoluble gas of the sagging detection device of the floating ocean platform buoy is methane. Further optimizing the technical scheme, the outer surface of the installation cover of the sagging detection device of the floating ocean platform buoy is coated with a Teflon coating. The invention has the beneficial effects that: 1. The installation cover is put into water through the lifting rope and is submerged, the installation cover is installed to the detection position of the pontoon through the adsorption of the magnetic sucker and the pontoon, and the probe is installed to the outer wall of the installation cover through the buckle when the installation cover is submerged, so that the submerging process of the installation cover is monitored, the submerging position of the installation cover is conveniently adjusted, the installation position of the installation cover is more accurat