CN113353829A - Petroleum drilling machine winch fault edge calculation system - Google Patents
Petroleum drilling machine winch fault edge calculation system Download PDFInfo
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- CN113353829A CN113353829A CN202110786874.4A CN202110786874A CN113353829A CN 113353829 A CN113353829 A CN 113353829A CN 202110786874 A CN202110786874 A CN 202110786874A CN 113353829 A CN113353829 A CN 113353829A
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- 238000005553 drilling Methods 0.000 title claims abstract description 45
- 238000004364 calculation method Methods 0.000 title claims abstract description 31
- 239000003208 petroleum Substances 0.000 title claims abstract description 25
- 238000004891 communication Methods 0.000 claims abstract description 30
- 238000012423 maintenance Methods 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 16
- 238000004458 analytical method Methods 0.000 claims abstract description 10
- 238000003745 diagnosis Methods 0.000 claims abstract description 8
- 238000012544 monitoring process Methods 0.000 claims abstract description 6
- 239000003921 oil Substances 0.000 claims description 20
- 239000010687 lubricating oil Substances 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 8
- 238000004804 winding Methods 0.000 claims description 5
- 238000007726 management method Methods 0.000 abstract description 5
- 238000005034 decoration Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/54—Safety gear
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- Engineering & Computer Science (AREA)
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- Testing And Monitoring For Control Systems (AREA)
Abstract
The system comprises a data acquisition system, a communication system, a local server and a client, wherein the data acquisition system, the communication system, the local server and the client are sequentially in signal connection, the data acquisition system is used for acquiring data in the operation process of a winch, the communication system is used for transmitting the data acquired by the winch signal acquisition system to the local server, and the client is used for displaying the result of the local server after the data of the winch are analyzed and pushing maintenance information, alarm information, fault diagnosis information and state information of each component of the winch in an auxiliary monitoring mode according to the use condition of equipment and the rule of an expert knowledge base. The petroleum drilling machine winch fault edge calculation system provided by the invention can meet the conventional operation function of the drilling winch, can perform local analysis and calculation according to the operation parameters, the process parameters and the operation and maintenance management parameters of the drilling winch, can give the winch fault early warning information and the maintenance suggestion in time, and can intelligently assist field users in maintaining the system of the drilling winch.
Description
Technical Field
The invention relates to an oil drilling machine, in particular to a system for calculating a fault edge of a winch of an oil drilling machine.
Background
Drawworks are one of the most important devices in oil drilling equipment. The working performance of the drilling machine directly influences the drilling efficiency and the cost. The winch breaks down in the operation process, the production efficiency is affected, the operation risk of personnel is increased, the general method is that after the winch runs and has a problem, field personnel go to the winch for troubleshooting, when the field personnel are not enough to solve the problem, even the winch needs to be stopped to inform an equipment supplier manufacturer to inquire, and in short, the problem which cannot be found and processed in time exists in the existing maintenance mode. At present, no system can carry out fault auxiliary intelligent early warning and maintenance prompting on a winch on the working site of the winch, is used for solving the processing work before and after the winch fault occurs, realizes local analysis and calculation according to the operation parameters, the process parameters and the operation and maintenance management parameters of the drilling winch, gives winch fault early warning information and maintenance suggestions, and intelligently assists field users to maintain the drilling winch.
Disclosure of Invention
The invention aims to provide an oil rig winch fault edge calculation system.
The system comprises a data acquisition system, a communication system, a local server and a client, wherein the data acquisition system, the communication system, the local server and the client are sequentially in signal connection, the data acquisition system is used for acquiring data in the operation process of the winch, the communication system is used for transmitting the data acquired by the winch signal acquisition system to the local server, and the client is used for displaying the result of the local server after analyzing the data of the winch and pushing maintenance information, alarm information, fault diagnosis information and state information of each component of the winch in an auxiliary monitoring mode according to the use condition of equipment and the rules of an expert knowledge base.
The invention discloses a petroleum drilling machine winch fault edge calculation system, wherein a data acquisition system comprises a sensor signal acquisition system, a controller data acquisition system, a vibration sensor acquisition system and an image acquisition system.
The invention discloses a system for calculating the fault edge of a winch of an oil drilling machine, wherein a sensor signal acquisition system comprises a winch sensor and a signal collector, the winch sensor comprises a winch main bearing temperature sensor, a clutch airbag pressure sensor, a disc brake caliper pressure sensor, a disc brake safety caliper pressure sensor, a disc brake hydraulic station system pressure sensor, a disc brake disc temperature sensor, a disc brake hydraulic station oil tank liquid level sensor, a disc brake hydraulic station oil tank temperature sensor, a winch lubricating oil pressure sensor, a winch lubricating oil temperature sensor, a winch lubricating oil liquid level sensor, a winch main bearing temperature sensor, a winch main motor winding temperature sensor and a winch main motor rotary encoder.
The invention discloses a petroleum drilling machine winch fault edge calculation system, wherein a controller data acquisition system comprises a controller, and is used for controlling the winch and acquiring the running state parameters of the winch.
The invention relates to a petroleum drilling machine winch fault edge calculation system, wherein a vibration signal acquisition system is used for acquiring vibration signals of a winch motor driving end and a winch roller shaft end, the vibration signal acquisition system comprises a vibration high-frequency sensor and a high-frequency collector, the vibration high-frequency sensor is used for acquiring equipment vibration signals, transmitting the equipment vibration signals to the high-frequency collector and sending the equipment vibration signals to a local server through a communication system, so that the local server processes the vibration signals and generates data which can be used for analysis.
The invention discloses a petroleum drilling machine winch fault edge calculation system, wherein an image acquisition system with an image recognition function is used for acquiring a winch real-time running state and surrounding environment pictures, the image acquisition system comprises a high-definition camera and an image switch, the high-definition camera is used for acquiring video signals, and the image switch sends the video signals to a local server through a communication system so that the local server stores and analyzes the video information.
The invention relates to a petroleum drilling machine winch fault edge calculation system, wherein a communication system consists of an equipment layer network switch, a data acquisition gateway and an application layer network switch, a sensor signal acquisition system and a vibration sensor acquisition system are connected with the equipment layer network switch, and a controller data acquisition system and an image acquisition system are connected with the data acquisition gateway; the equipment layer network switch and the data acquisition gateway are connected with the application layer network switch, and the application layer network switch is connected with the local server.
The petroleum drilling machine winch fault edge computing system is characterized in that the local server is used for storing, processing and analyzing data or pictures of a winch sensor, a controller, a winch vibration sensor and a high-definition camera, analyzing according to the data or the pictures and sorting fault and alarm information.
The petroleum drilling machine winch fault edge calculation system provided by the invention can meet the conventional operation function of the drilling winch, can perform local analysis and calculation according to the operation parameters, the process parameters and the operation and maintenance management parameters of the drilling winch, can give the winch fault early warning information and the maintenance suggestion in time, and can intelligently assist field users in maintaining the system of the drilling winch.
Drawings
FIG. 1 is a schematic block diagram of an oil rig drawworks faulted edge calculation system of the present invention;
fig. 2 is a schematic structural diagram of a sensor signal acquisition system.
Detailed Description
As shown in fig. 1 and 2, the petroleum drilling rig winch fault edge calculation system of the invention comprises a data acquisition system 1, a communication system 2, a local server 3 and a client 4, wherein the data acquisition system 1, the communication system 2, the local server 3 and the client 4 are sequentially in signal connection, the data acquisition system 1 is used for acquiring data in the operation process of a winch, the communication system 2 is used for transmitting the data acquired by the winch signal acquisition system 1 to the local server 3, and the client 4 is used for displaying the result of the winch data analyzed by the local server 3 and pushing maintenance information, alarm information, fault diagnosis information and state information of each component of an auxiliary inspection winch according to the use condition of equipment and the rule of an expert knowledge base.
The invention discloses a petroleum drilling machine winch fault edge calculation system, wherein a data acquisition system 1 comprises a sensor signal acquisition system 101, a controller data acquisition system 102, a vibration sensor acquisition system 103 and an image acquisition system 104.
The invention discloses a petroleum drilling machine winch fault edge calculation system, wherein a sensor signal acquisition system 101 comprises a winch sensor 1011 and a signal collector 1012, wherein the winch sensor 1011 comprises a winch main bearing temperature sensor 101101, a clutch air bag pressure sensor 101102, a disc brake caliper pressure sensor 101103, a disc brake safety caliper pressure sensor 110104, a disc brake hydraulic station system pressure sensor 110105, a disc brake disc temperature sensor 110106, a disc brake hydraulic station oil tank liquid level sensor 110107, a disc brake hydraulic station oil tank temperature sensor 110108, a winch lubricating oil pressure sensor 110109, a winch lubricating oil temperature sensor 110110, a winch lubricating oil liquid level sensor 110111, a winch main motor bearing temperature sensor 110112, a winch main motor winding temperature sensor 110113 and a winch main motor rotary encoder 110114.
The invention relates to a petroleum drilling machine winch fault edge calculation system, wherein a controller data acquisition system 102 comprises a controller 1021 and is used for relevant control of a winch and acquiring operation state parameters of the winch.
The invention relates to a petroleum drilling machine winch fault edge calculation system, wherein a vibration signal acquisition system 103 is used for acquiring vibration signals of a winch motor driving end and a winch drum shaft end, the vibration signal acquisition system 103 comprises a vibration high-frequency sensor 1031 and a high-frequency collector 1032, the vibration high-frequency sensor 1031 is used for acquiring equipment vibration signals, transmitting the equipment vibration signals to the high-frequency collector 1032, and sending the equipment vibration signals to a local server 3 through a communication system 2 so that the local server 3 processes the vibration signals to generate data which can be used for analysis.
The petroleum drilling machine winch fault edge calculation system comprises an image acquisition system 104 with an image recognition function, wherein the image acquisition system 104 is used for acquiring a winch real-time running state and surrounding environment pictures, the image acquisition system 104 comprises a high-definition camera 1041 and an image switch 1042, the high-definition camera 1041 is used for acquiring video signals, and the image switch 1042 sends the video signals to a local server 3 through a communication system 2 so that the local server 3 can store and analyze the video information.
The petroleum drilling machine winch fault edge calculation system comprises a communication system 2, a sensor signal acquisition system 101, a vibration sensor acquisition system 103, a controller data acquisition system 102, an image acquisition system 104, a data acquisition gateway 202 and an application layer network switch 203, wherein the communication system consists of the equipment layer network switch 201, the data acquisition gateway 202 and the application layer network switch 203; the equipment layer network switch 201 and the data acquisition gateway 202 are connected with an application layer network switch 203, and the application layer network switch 203 is connected with the local server 3.
The petroleum drilling machine winch fault edge calculation system is characterized in that the local server 3 is used for storing, processing and analyzing data or pictures of a winch sensor 1011, a controller 1021, a winch vibration sensor 1031 and a high-definition camera 1041, analyzing according to the data or the pictures and sorting fault and alarm information.
The petroleum drilling machine winch fault edge calculation system provided by the invention can meet the conventional operation function of the drilling winch, can perform local analysis and calculation according to the operation parameters, the process parameters and the operation and maintenance management parameters of the drilling winch, can give the winch fault early warning information and the maintenance suggestion in time, and can intelligently assist field users in maintaining the system of the drilling winch.
The petroleum drilling machine winch fault edge calculation system comprises a data acquisition system 1, a communication system 2, a local server 3 and a client 4.
The signal acquisition system 1 is used for acquiring data in the operation process of the winch and comprises a sensor signal acquisition system 101, a controller data acquisition system 102, a vibration sensor acquisition system 103 and an image acquisition system 104.
The sensor signal acquisition system 101 comprises a winch sensor 1011 and a signal collector 1012, wherein the winch sensor 1011 comprises a winch main bearing temperature sensor 101101, a clutch airbag pressure sensor 101102, a disc brake caliper pressure sensor 101103, a disc brake safety gear pressure sensor 110104, a disc brake hydraulic station system pressure sensor 110105, a disc brake disc temperature sensor 110106, a disc brake hydraulic station oil tank liquid level sensor 110107, a disc brake hydraulic station oil tank temperature sensor 110108, a winch lubricating oil pressure sensor 110109, a winch lubricating oil temperature sensor 110110, a winch lubricating oil liquid level sensor 110111, a winch main bearing temperature sensor 110112, a winch main motor winding temperature sensor 110113, a winch main motor rotary encoder 110114 and the like.
The controller data acquisition system 102 includes a controller 1021 for controlling the winch and acquiring the operating parameters of the winch, including the winch start and stop, the rotation speed, the current, and the torque.
The vibration signal acquisition system 103 is used for acquiring vibration signals of a winch motor driving end and a winch drum shaft end, and comprises a vibration high-frequency sensor 1031 and a high-frequency collector 1032, wherein the vibration high-frequency sensor 1031 acquires equipment vibration signals, transmits the equipment vibration signals to the high-frequency collector 1032, and sends the equipment vibration signals to the local server 3 through the communication system 2, and the local server 3 is used for processing the vibration signals to generate data which can be used for analysis.
The image acquisition system 104 with the image recognition function is used for acquiring the real-time running state of the winch and the surrounding environment picture, and comprises a high-definition camera 1041 and an image switch 1042, wherein a video signal acquired by the high-definition camera 1041 is transmitted to the local server 3 through the image switch 1042 and the communication system 2, and the local server 3 is responsible for storing and analyzing the video information.
The communication system 2 is used for transmitting the data acquired by the winch signal acquisition system 1 to the local server 3 and consists of an equipment layer network switch 201, a data acquisition gateway 202 and an application layer network switch 203. The sensor signal acquisition system 101 and the vibration sensor acquisition system 103 are connected with an equipment layer network switch 201, and the controller data acquisition system 102 and the image acquisition system 104 are connected with a data acquisition gateway 202; the equipment layer network switch 201 and the data acquisition gateway 202 are connected with an application layer network switch 203, the application layer network switch 203 is connected with a local server 3, and the local server 3 is connected with a client 4.
The local server 3 is used for storing, processing and analyzing data of the winch sensor 1011, the controller 1021, the winch vibration sensor 1031, the high-definition camera 1041 for real-time operation of the winch and peripheral images, analyzing the data according to the acquired data, and sorting information such as faults and alarms.
The client 4 is used for displaying the result of the local server 3 after analyzing the winch data, pushing maintenance information and alarm information according to the use condition of the equipment and the rule of the expert knowledge base, pushing fault diagnosis information when the equipment fails, and assisting in monitoring the states of all parts of the winch, the faults, the alarm information and the like.
The petroleum drilling machine winch fault edge calculation system not only meets the conventional operation requirements of a drilling machine winch, but also can transmit parameters of a winch sensor 101, parameters of a controller 102, vibration 103 signals, image video 104 parameters and the like acquired by a data acquisition system 1 to a local server 3 through a communication system 2 for local analysis and calculation in the field use process, and timely give winch fault early warning and maintenance suggestions at a client 4 to assist field users in maintenance operation.
The functions and the implementation modes of the modules are as follows:
the signal acquisition system 1 is used for acquiring data in the operation process of the winch and comprises a sensor signal acquisition system 101, a controller data acquisition system 102, a vibration sensor acquisition system 103 and an image acquisition system 104.
As shown in fig. 2, the sensor signal acquisition system 101 includes: the winch sensor 1011 and the signal collector 1012, wherein the winch sensor 1011 comprises a winch main bearing temperature sensor 101101, a clutch air bag pressure sensor 101102, a disc brake caliper pressure sensor 101103, a disc brake safety gear pressure sensor 110104, a disc brake hydraulic station system pressure sensor 110105, a disc brake disc temperature sensor 110106, a disc brake hydraulic station oil tank liquid level sensor 110107, a disc brake hydraulic station oil tank temperature sensor 110108, a winch lubricating oil pressure sensor 110109, a winch lubricating oil temperature sensor 110110, a winch lubricating oil liquid level sensor 110111, a winch main bearing temperature sensor 110112, a winch main motor winding temperature sensor 110113, a winch main motor rotary encoder 110114 and the like.
The controller data acquisition system 102 includes a controller 1021 for controlling the winch and acquiring the operating parameters of the winch, including the winch start and stop, the rotation speed, the current, the torque, and other parameters, and is complementary to the winch sensor 1011 and the vibration sensor 1031.
The vibration signal acquisition system 103 is used for acquiring vibration signals of the winch motor driving end and the winch drum shaft end, and the vibration signal acquisition system 103 comprises a vibration high-frequency sensor 1031 and a high-frequency collector 1032. The vibration high-frequency sensor 1031 collects equipment vibration signals and transmits the equipment vibration signals to the high-frequency collector 1032, the vibration signals are sent to the local server 3 through the communication system 2, and the local server 3 is used for processing the vibration signals and generating data which can be used for analysis.
The video acquisition system 104 with the image recognition function is used for acquiring a real-time winch operation picture, and the video acquisition system 104 comprises a high-definition camera 1041 and an image switch 1042. The high-definition network camera 1041 is connected with the camera exchanger 1042, the camera exchanger 1042 sends a video signal to the local server 3 through the communication system 2, and the local server 3 compresses, transcodes and stores the video information.
The communication system 2 is used for transmitting the data acquired by the winch signal acquisition system 1 to the local server 3, and comprises an equipment layer network switch 201, a data acquisition gateway 202 and an application layer network switch 203. The sensor signal acquisition system 101 and the vibration sensor acquisition system 103 are connected with an equipment layer network switch 201, the controller data acquisition system 102 and the image acquisition system 104 are connected with an data acquisition gateway 202, the equipment layer network switch 201 and the data acquisition gateway 202 are connected with an application layer network switch 203, and the application layer switch 203 is connected with the local server 3.
The local server 3 is used for storing, processing and analyzing data such as a winch sensor 1011, a controller 1021, a winch vibration sensor 1031, real-time operation of a winch and a peripheral picture 1041, analyzing the data according to the data acquired by the winch, developing an equipment model and an expert knowledge base based on the data, predicting the life cycle of each key component of the equipment, pushing maintenance information and alarm information according to the service condition of the equipment and the rule of the expert knowledge base, pushing fault diagnosis information when the equipment fails, assisting in checking the state of each component of the winch, sorting the information of the failed component, alarming and the like, and the local server 3 is connected with the client 4.
The client 4 is used for displaying the result of the local server 3 after analyzing the winch data, pushing maintenance information and alarm information according to the equipment use condition and the rules of the expert knowledge base, and pushing fault diagnosis and alarm information in time when the equipment fails to assist in monitoring the states of all parts of the winch.
In summary, compared with the existing winch maintenance management mode, the technical scheme of the invention has the beneficial effects that:
1. the winch does not need to be attended by a special person during working, so that the labor intensity is greatly reduced;
2. the running state of the winch is presented in a digital and information mode, and professional knowledge of a manufacturer on the aspects of maintenance and fault diagnosis of the drilling winch is fully utilized to ensure that the winch runs in a healthy state;
3. the image recognition function meets the requirement of normal monitoring of the winch, and can perform early warning according to whether people enter the winch or not in the operation process of the winch, so that safety accidents are prevented;
4. the equipment is maintained periodically, the system is timed automatically, and the system is reminded automatically and operates paperless.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The petroleum drilling machine winch fault edge calculation system is characterized by comprising a data acquisition system (1), a communication system (2), a local server (3) and a client (4), wherein the data acquisition system (1), the communication system (2), the local server (3) and the client (4) are sequentially in signal connection, the data acquisition system (1) is used for acquiring data in the operation process of a winch, the communication system (2) is used for transmitting the data acquired by the winch signal acquisition system (1) to the local server (3), and the client (4) is used for displaying the result of the winch data analyzed by the local server (3) and pushing maintenance information, alarm information, fault diagnosis information and state information of each component of the winch in an auxiliary monitoring mode according to the service condition of equipment and the rule of an expert knowledge base.
2. The oil rig winch faulty edge calculation system according to claim 1, characterized in that the data acquisition system (1) comprises a sensor signal acquisition system (101), a controller data acquisition system (102), a vibration sensor acquisition system (103), an image acquisition system (104).
3. The oil rig winch fault edge calculation system of claim 2, wherein the sensor signal acquisition system (101) comprises a winch sensor (1011), a signal collector (1012), the winch sensor (1011) comprises a winch main bearing temperature sensor (101101), a clutch airbag pressure sensor (101102), a disc brake caliper pressure sensor (101103), a disc brake safety caliper pressure sensor (110104), a disc brake hydraulic station system pressure sensor (110105), a disc brake disc temperature sensor (110106), a disc brake hydraulic station oil tank liquid level sensor (110107), a disc brake hydraulic station oil tank temperature sensor (110108), a winch lubricating oil pressure sensor (110109), a winch lubricating oil temperature sensor (110110), a winch lubricating oil liquid level sensor (110111), a winch main motor bearing temperature sensor (110112), a winch main motor winding temperature sensor (110113), The winch primary motor rotates an encoder (110114).
4. The oil rig drawworks faulted edge computing system of claim 3 wherein the controller data acquisition system (102) comprises a controller (1021) for associated control of the drawworks and acquiring operational state parameters of the drawworks.
5. The petroleum drilling rig winch fault edge calculation system according to claim 4, characterized in that the vibration signal acquisition system (103) is used for acquiring vibration signals of the winch motor driving end and the winch drum shaft end, the vibration signal acquisition system (103) comprises a vibration high-frequency sensor (1031) and a high-frequency collector (1032), the vibration high-frequency sensor (1031) is used for acquiring equipment vibration signals, transmitting the equipment vibration signals to the high-frequency collector (1032), and sending the equipment vibration signals to the local server (3) through the communication system (2) so that the local server (3) processes the vibration signals and generates data which can be used for analysis.
6. The system for calculating the fault edge of the winch of the oil drilling rig according to claim 5, wherein the image acquisition system (104) with an image recognition function is used for acquiring the real-time operation state of the winch and the surrounding environment picture, the image acquisition system (104) comprises a high-definition camera (1041) and an image switch (1042), the high-definition camera (1041) is used for acquiring video signals, and the image switch (1042) transmits the video signals to the local server (3) through the communication system (2) so that the local server (3) can store and analyze the video information.
7. The petroleum drilling rig winch failure edge computing system according to claim 6, wherein the communication system (2) is composed of an equipment layer network switch (201), a data acquisition gateway (202) and an application layer network switch (203), the sensor signal acquisition system (101) and the vibration sensor acquisition system (103) are connected with the equipment layer network switch (201), and the controller data acquisition system (102) and the image acquisition system (104) are connected with the data acquisition gateway (202); the equipment layer network switch (201) and the data acquisition gateway (202) are connected with the application layer network switch (203), and the application layer network switch (203) is connected with the local server (3).
8. The petroleum drilling rig winch failure edge computing system according to claim 7, wherein the local server (3) is used for storing, processing and analyzing data or pictures of the winch sensor (1011), the controller (1021), the winch vibration sensor (1031) and the high-definition camera (1041), and analyzing according to the data or pictures to arrange failure and alarm information.
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| CN202110786874.4A CN113353829A (en) | 2021-07-13 | 2021-07-13 | Petroleum drilling machine winch fault edge calculation system |
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| CN202110786874.4A CN113353829A (en) | 2021-07-13 | 2021-07-13 | Petroleum drilling machine winch fault edge calculation system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01110201A (en) * | 1987-10-23 | 1989-04-26 | Mitsubishi Electric Corp | Trouble diagnosing apparatus for position detector for winch |
| CN102145866A (en) * | 2011-03-09 | 2011-08-10 | 山东科技大学 | Device for monitoring working clearance of disc brake |
| CN205151625U (en) * | 2015-10-30 | 2016-04-13 | 宝鸡石油机械有限责任公司 | Well drilling winch state monitoring and fault diagnosis system |
| CN112859674A (en) * | 2020-12-31 | 2021-05-28 | 中油国家油气钻井装备工程技术研究中心有限公司 | Unmanned on duty system of drilling pump |
-
2021
- 2021-07-13 CN CN202110786874.4A patent/CN113353829A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01110201A (en) * | 1987-10-23 | 1989-04-26 | Mitsubishi Electric Corp | Trouble diagnosing apparatus for position detector for winch |
| CN102145866A (en) * | 2011-03-09 | 2011-08-10 | 山东科技大学 | Device for monitoring working clearance of disc brake |
| CN205151625U (en) * | 2015-10-30 | 2016-04-13 | 宝鸡石油机械有限责任公司 | Well drilling winch state monitoring and fault diagnosis system |
| CN112859674A (en) * | 2020-12-31 | 2021-05-28 | 中油国家油气钻井装备工程技术研究中心有限公司 | Unmanned on duty system of drilling pump |
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Application publication date: 20210907 |