CN112901136A - Drilling machine brake and comprehensive protection moving system - Google Patents
Drilling machine brake and comprehensive protection moving system Download PDFInfo
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- CN112901136A CN112901136A CN202110126980.XA CN202110126980A CN112901136A CN 112901136 A CN112901136 A CN 112901136A CN 202110126980 A CN202110126980 A CN 202110126980A CN 112901136 A CN112901136 A CN 112901136A
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- 238000005553 drilling Methods 0.000 title claims abstract description 46
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 7
- 230000002265 prevention Effects 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 239000000725 suspension Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 claims description 3
- 239000002360 explosive Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
- E21B44/02—Automatic control of the tool feed
- E21B44/04—Automatic control of the tool feed in response to the torque of the drive ; Measuring drilling torque
Abstract
The invention discloses a drilling machine brake and comprehensive protection moving system. The electronic anti-collision overhead traveling crane has the advantages of solving the problem of single anti-collision function and increasing the anti-collision function. The comprehensive protection is provided for the electromagnetic brake, the working condition of the electromagnetic brake is monitored at any time, and the disc brake is forced to work under the condition that the external condition of the electromagnetic brake fails. The electronic anti-collision overhead traveling crane has the linkage function of the electromagnetic brake, the electromagnetic brake can effectively brake when in anti-collision and anti-smashing, and the traveling speed is obviously reduced. The touch screen and the acousto-optic alarm can intuitively remind an operator to carry out effective operation, and the occurrence of the accident of smashing the movable pulley up and down is avoided; the device integrates functions of disk brake power-off protection, electromagnetic brake function protection, crown block and racking platform anti-collision anti-smashing device, air source pressure and disk brake hydraulic station pressure parameter monitoring protection and the like, and can realize intelligent detection, protection, display, fault indication and data transmission. The device can avoid the mutual interference of various protection devices and improve the safety use performance of the moving system.
Description
Technical Field
The invention belongs to the technical field of petroleum drilling machine equipment, and particularly relates to comprehensive protection of a drilling machine brake and traveling system.
Background
In the oil drilling, a drilling tool is driven to crush rock and drill underground, a well bore with a specified depth is drilled, and an oil extraction machine or a gas extraction machine is supplied to obtain oil or natural gas. A common petroleum drilling machine is mainly composed of eight parts of a power machine, a transmission machine, a working machine and auxiliary equipment
The functions of a drilling machine disc brake, an electromagnetic brake, a crown block, a racking platform anti-collision anti-smashing device and the like are not protected under the condition of sudden power failure and gas interruption, and the system safety risk exists. In order to ensure the safe operation of drilling equipment, ensure safe and smooth production, reduce safety risks, prevent disasters and reduce economic loss, a set of comprehensive protection device for a moving system is developed.
Disclosure of Invention
The invention aims to: in order to solve the problems, a drilling machine brake and a comprehensive protection moving system are provided.
The technical scheme adopted by the invention is as follows: the utility model provides a system that moves about of rig brake and integrated protection which characterized in that: the drilling machine brake and comprehensive protection moving system comprises the following steps:
s1, sending a given signal of a control handle of the electromagnetic brake and an actual brake current signal of the electromagnetic brake into an analog quantity input module of the PLC;
s2, the given quantity of the control handle is in direct proportion to the actual output current of the electromagnetic brake;
s3, after the two quantities are sent to the PLC, the corresponding working curve relation can be realized through programming, so as to judge whether the electromagnetic brake works normally;
s4, the electronic anti-collision and anti-smashing system calculates the speed by adopting a (1024-pulse) high-precision rotary encoder, and simultaneously the system adopts touch screen control, and the traveling process of the traveling block is presented to an operator in the form of a height value;
s5, the traveling protection system inputs the data value of the rotary encoder into a counting module of the PLC, and the data such as the running speed of the traveling block, the traveling height and the traveling position of the traveling block can be acquired in real time after a calculation program is executed;
s6, sending the signal of the pressure transmitter at the position of the hanging weight meter into an analog input module of the PLC, and acquiring the hanging weight of the drilling tool after programming calculation;
s7, when the traveling block is lowered with the heavy drilling tool, the momentum of the traveling block is increased along with the increase of the lowering speed, and the torque value of the roller shaft is increased;
s8, when the lowering speed of the traveling block exceeds (X) m/S and the torque value of the roller reaches 2/3 of the torque value of the electromagnetic brake, the PLC system sends out an instruction, the electromagnetic brake works at full current, and the electromagnetic brake is released until the lowering speed is controlled to be lower than (Y) m/S;
s9, protecting the flying ring of the top drive against collision, acquiring a flying signal of the flying ring of the top drive in the PLC system, and when the signal of the top drive is not sent to the PLC system;
and S10, judging that the top drive hoisting ring is in a forward tilting or backward tilting state by the system, lifting or lowering the tourist car at the moment, carrying out sound-light alarm prompt by the system, and displaying prompt information on the touch screen until the alarm instruction is relieved after the operator presses the suspension button.
In a preferred embodiment, in step S3, if the difference between the two values is too large during the use, the system reports a fault and reminds the field electrician to perform timely maintenance.
In a preferred embodiment, in step S8, the electromagnetic brake integrated protection system mainly includes a siemens S7300PLC control system, a siemens extension module, a siemens TP1200 touch screen, a BEI high-precision encoder, a pressure transmitter, and a pneumatic control valve.
In a preferred embodiment, in step S4, the following content is displayed on the touch screen: the system comprises real-time height data of traveling of the traveling block, a collision-proof height set value, a collision-proof height warning point, the working state of an electromagnetic brake, the current value of the electromagnetic brake and other related data, and alarm and fault indication.
In a preferred embodiment, in step S6, after the weight of the drilling tool and the running speed of the traveling block are collected, the PLC may calculate the momentum possessed by the traveling block when the drilling tool is in a downward motion, and the magnitude of the acting force per unit time may be calculated by the relationship between the momentum and the impulse; the acting force can calculate the stress of each rope through the number of the movable pulleys and the crown block fixed pulleys of the traveling block, and after the stress of the single-stranded rope is obtained, the torque value of the roller shaft can be calculated according to the radius of the roller.
In a preferred embodiment, in step S8, a drop height prevention alarm point (M) may be further set in the touch screen, when the drilling tool is light, and in the dropping process, the drum torque value cannot reach 2/3 of the rated torque value of the electromagnetic brake, at this time, the traveling block passes through the drop height alarm point, the system gives an audible and visual alarm, and the electromagnetic brake works to decelerate the dropping speed; the down-smashing prevention height alarm point can be set by an operator.
In a preferred embodiment, in the step S1, the control part selects siemens S7-300 series PLC, which is modularized, has no exhaust fan structure, is easy to distribute, has strong CPU processing capacity, and is very suitable for the well site environment of the oil rig; by applying the PROFIBUS bus technology, the direct high-speed and reliable data transmission between the CPU and other distributed stations on the PROFIBUS network can be realized, thereby establishing the control venation of the set of electric system.
In a preferred embodiment, in step S4, the encoder is originally installed and imported BEI encoder is selected, which is suitable for all harsh working environments, including corrosive, explosive and electromagnetic interference environments; the model is as follows: HS35F-100-R2-SS-1024-ABZC-4469-SM 18-EX; the encoder enters the PLC system through a matched special safety isolation gate, and the height value of the traveling block during moving can be measured very accurately.
In a preferred embodiment, in step S8, the electromagnetic valve is controlled by the PLC output 24V power supply and is in a normally closed state when the system is in normal operation; the function is to make and break the air source of the drilling machine system, and the electromagnetic valve is in a closed power-off state under the normal operation state of the drilling machine; once the system has an important alarm instruction, the electromagnetic valve is electrified to be in an open state and is used for cutting off an air source, so that the aim of controlling braking is fulfilled; the solenoid valve is installed in the driller room on site.
In a preferred embodiment, in step S8, the current transducer is made of a pure copper material, and has the characteristics of low winding, high conversion rate, long service life, and the like, and the parameter characteristics are: POW DC24v, INPUT: 0-100A, OUPUT 4-20 mA; the system is used for collecting the output current value when the electromagnetic brake operates.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, the single anti-collision function of the electronic anti-collision overhead traveling crane is solved, and the anti-smashing function is added. The comprehensive protection is provided for the electromagnetic brake, the working condition of the electromagnetic brake is monitored at any time, and the disc brake is forced to work under the condition that the external condition of the electromagnetic brake fails. The electronic anti-collision overhead traveling crane has the linkage function of the electromagnetic brake, the electromagnetic brake can effectively brake when in anti-collision and anti-smashing, and the traveling speed is obviously reduced. The touch screen and the acousto-optic alarm can visually remind an operator of effective operation, and the occurrence of the accident of smashing the movable pulley by up-down collision is avoided.
2. In the invention, the device integrates the functions of disk brake power-off protection, electromagnetic brake function protection, collision and smashing prevention devices of the overhead travelling crane and the racking platform, air source pressure, disk brake hydraulic station pressure parameter monitoring protection and the like, and can realize intelligent detection, protection, display, fault indication and data transmission. The device can avoid the mutual interference of various protection devices and the safe use performance of a high-mobility system.
Drawings
FIG. 1 is a block diagram of the system of the present invention.
FIGS. 2 to 5 are main circuit diagrams
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
With reference to figures 1-5 of the drawings,
example (b):
the utility model provides a system that moves about of rig brake and integrated protection which characterized in that: the drilling machine brake and comprehensive protection moving system comprises the following steps:
s1, sending a given signal of a control handle of the electromagnetic brake and an actual brake current signal of the electromagnetic brake into an analog quantity input module of the PLC; in the step S1, the control part selects Siemens S7-300 series PLC, has a modularized structure without exhaust fans, is easy to distribute and has strong CPU processing capacity, so that the control part is very suitable for the well site environment of the oil drilling machine; by applying the PROFIBUS bus technology, the direct high-speed and reliable data transmission between the CPU and other distributed stations on the PROFIBUS network can be realized, so that the control venation of the set of electric system is established;
s2, the given quantity of the control handle is in direct proportion to the actual output current of the electromagnetic brake;
s3, after the two quantities are sent to the PLC, the corresponding working curve relation can be realized through programming, so as to judge whether the electromagnetic brake works normally; in step S3, if the ratio difference of the two values is too large in the using process, the system reports a fault and reminds field electrical personnel to overhaul in time;
s4, the electronic anti-collision and anti-smashing system calculates the speed by adopting a (1024-pulse) high-precision rotary encoder, and simultaneously the system adopts touch screen control, and the traveling process of the traveling block is presented to an operator in the form of a height value; in step S4, the following content will be displayed on the touch screen at this time: the traveling real-time height data of the traveling block, the set value of the collision-proof height, the warning point of the collision-proof height, the working state of the electromagnetic brake, the current value of the electromagnetic brake and other related data, as well as alarming and fault indication; in the step S4, the encoder is an original BEI encoder which is suitable for all harsh working environments, such as corrosive, explosive and electromagnetic interference environments; the model is as follows: HS35F-100-R2-SS-1024-ABZC-4469-SM 18-EX; the encoder enters the PLC system through a matched special safety barrier, and the height value of the traveling block during moving can be measured very accurately;
and S5, inputting the data value of the rotary encoder into a counting module of the PLC, and acquiring the data of the running speed, the travelling height, the travelling position and the like of the travelling block in real time after calculating the program.
S6, sending the signal of the pressure transmitter at the position of the hanging weight meter into an analog input module of the PLC, and acquiring the hanging weight of the drilling tool after programming calculation; in the step S6, after the weight of the drilling tool and the running speed of the traveling block are collected, the momentum possessed by the traveling block when the drilling tool descends can be calculated through the PLC, and the magnitude of the acting force in unit time can be calculated through the relationship between the momentum and the impulse; the acting force can calculate the stress of each rope through the number of the movable pulley and the crown block fixed pulley of the traveling block, and after the stress of the single-strand rope is obtained, the torque value of the roller shaft can be calculated according to the radius of the roller
S7, when the traveling block is lowered with the heavy drilling tool, the momentum of the traveling block is increased along with the increase of the lowering speed, and the torque value of the roller shaft is increased;
s8, when the lowering speed of the traveling block exceeds (X) m/S and the torque value of the roller reaches 2/3 of the torque value of the electromagnetic brake, the PLC system sends out an instruction, the electromagnetic brake works at full current, and the electromagnetic brake is released until the lowering speed is controlled to be lower than (Y) m/S; in the step S8, the electromagnetic brake integrated protection system mainly comprises a siemens S7300PLC control system, a siemens extension module, a siemens TP1200 touch screen, a BEI high-precision encoder, a pressure transmitter, a pneumatic control valve and other components; in the step S8, a down-striking prevention height alarm point (M) may be further provided in the touch screen, when the drilling tool is light, in the down-striking process, the drum torque value cannot reach 2/3 of the rated electromagnetic brake torque value, at this time, the traveling block passes through the down-striking height alarm point, the system gives an audible and visual alarm, and the electromagnetic brake works to decelerate the down-striking speed; the down-smashing prevention height alarm point can be set by an operator; in the step S8, the electromagnetic valve is controlled by the PLC to output 24V power, and is in a normally closed state when the system is in normal operation; the function is to make and break the air source of the drilling machine system, and the electromagnetic valve is in a closed power-off state under the normal operation state of the drilling machine; once the system has an important alarm instruction, the electromagnetic valve is electrified to be in an open state and is used for cutting off an air source, so that the aim of controlling braking is fulfilled; the solenoid valve is installed in the driller room on site; in step S8, the current transducer is made of pure copper material, and has the characteristics of low wire set, high conversion rate, long service life, and the like, and the parameter characteristics are as follows: POW DC24v, INPUT: 0-100A, OUPUT 4-20 mA; the system is used for collecting the output current value when the electromagnetic brake operates; the electronic anti-collision overhead traveling crane has the advantages of solving the problem of single anti-collision function and increasing the anti-collision function. The comprehensive protection is provided for the electromagnetic brake, the working condition of the electromagnetic brake is monitored at any time, and the disc brake is forced to work under the condition that the external condition of the electromagnetic brake fails. The electronic anti-collision overhead traveling crane has the linkage function of the electromagnetic brake, the electromagnetic brake can effectively brake when in anti-collision and anti-smashing, and the traveling speed is obviously reduced. The touch screen and the acousto-optic alarm can visually remind an operator to carry out effective operation, and the occurrence of the accident of hitting down when the traveling block is collided up is avoided
S9 anti-collision protection of the hanging ring of the top drive, collecting the hanging ring suspension signal of the top drive in the PLC system, and when the signal of the top drive is not sent to the PLC system
S10, judging that the top drive hoisting ring is in a forward tilting or backward tilting state by the system, lifting or lowering the tourist car at the moment, carrying out sound-light alarm prompt by the system, and displaying prompt information on a touch screen until the alarm instruction is relieved after an operator presses a suspension button; the device integrates functions of disk brake power-off protection, electromagnetic brake function protection, crown block and racking platform anti-collision anti-smashing device, air source pressure and disk brake hydraulic station pressure parameter monitoring protection and the like, and can realize intelligent detection, protection, display, fault indication and data transmission. The device can avoid the mutual interference of various protection devices and the safe use performance of a high-mobility system.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a system that moves about of rig brake and integrated protection which characterized in that: the drilling machine brake and comprehensive protection moving system comprises the following steps:
s1, sending a given signal of a control handle of the electromagnetic brake and an actual brake current signal of the electromagnetic brake into an analog quantity input module of the PLC;
s2, the given quantity of the control handle is in direct proportion to the actual output current of the electromagnetic brake;
s3, after the two quantities are sent to the PLC, the corresponding working curve relation can be realized through programming, so as to judge whether the electromagnetic brake works normally;
s4, the electronic anti-collision and anti-smashing system calculates the speed by adopting a (1024-pulse) high-precision rotary encoder, and simultaneously the system adopts touch screen control, and the traveling process of the traveling block is presented to an operator in the form of a height value;
s5, the traveling protection system inputs the data value of the rotary encoder into a counting module of the PLC, and the data such as the running speed of the traveling block, the traveling height and the traveling position of the traveling block can be acquired in real time after a calculation program is executed;
s6, sending the signal of the pressure transmitter at the position of the hanging weight meter into an analog input module of the PLC, and acquiring the hanging weight of the drilling tool after programming calculation;
s7, when the traveling block is lowered with the heavy drilling tool, the momentum of the traveling block is increased along with the increase of the lowering speed, and the torque value of the roller shaft is increased;
s8, when the lowering speed of the traveling block exceeds (X) m/S and the torque value of the roller reaches 2/3 of the torque value of the electromagnetic brake, the PLC system sends out an instruction, the electromagnetic brake works at full current, and the electromagnetic brake is released until the lowering speed is controlled to be lower than (Y) m/S;
s9, protecting the flying ring of the top drive against collision, acquiring a flying signal of the flying ring of the top drive in the PLC system, and when the signal of the top drive is not sent to the PLC system;
and S10, judging that the top drive hoisting ring is in a forward tilting or backward tilting state by the system, lifting or lowering the tourist car at the moment, carrying out sound-light alarm prompt by the system, and displaying prompt information on the touch screen until the alarm instruction is relieved after the operator presses the suspension button.
2. The drilling machine brake and integrated protection traveling system of claim 1, wherein: in step S3, if the difference between the two values is too large during the use, the system reports a fault to remind field electricians to repair the device in time.
3. The drilling machine brake and integrated protection traveling system of claim 1, wherein: in the step S8, the electromagnetic brake integrated protection system mainly comprises a siemens S7300PLC control system, a siemens extension module, a siemens TP1200 touch screen, a BEI high-precision encoder, a pressure transmitter, a pneumatic control valve and other components.
4. The drilling machine brake and integrated protection traveling system of claim 1, wherein: in step S4, the following content will be displayed on the touch screen at this time: the system comprises real-time height data of traveling of the traveling block, a collision-proof height set value, a collision-proof height warning point, the working state of an electromagnetic brake, the current value of the electromagnetic brake and other related data, and alarm and fault indication.
5. The drilling machine brake and integrated protection traveling system of claim 1, wherein: in the step S6, after the weight of the drilling tool and the running speed of the traveling block are collected, the momentum possessed by the traveling block when the drilling tool descends can be calculated through the PLC, and the magnitude of the acting force in unit time can be calculated through the relationship between the momentum and the impulse; the acting force can calculate the stress of each rope through the number of the movable pulleys and the crown block fixed pulleys of the traveling block, and after the stress of the single-stranded rope is obtained, the torque value of the roller shaft can be calculated according to the radius of the roller.
6. The drilling machine brake and integrated protection traveling system of claim 1, wherein: in the step S8, a down-striking prevention height alarm point (M) may be further provided in the touch screen, when the drilling tool is light, in the down-striking process, the drum torque value cannot reach 2/3 of the rated electromagnetic brake torque value, at this time, the traveling block passes through the down-striking height alarm point, the system gives an audible and visual alarm, and the electromagnetic brake works to decelerate the down-striking speed; the down-smashing prevention height alarm point can be set by an operator.
7. The drilling machine brake and integrated protection traveling system of claim 1, wherein: in the step S1, the control part selects Siemens S7-300 series PLC, has a modularized structure without exhaust fans, is easy to distribute and has strong CPU processing capacity, so that the control part is very suitable for the well site environment of the oil drilling machine; by applying the PROFIBUS bus technology, the direct high-speed and reliable data transmission between the CPU and other distributed stations on the PROFIBUS network can be realized, thereby establishing the control venation of the set of electric system.
8. The drilling machine brake and integrated protection traveling system of claim 1, wherein: in the step S4, the encoder is an original BEI encoder which is suitable for all harsh working environments, such as corrosive, explosive and electromagnetic interference environments; the model is as follows: HS35F-100-R2-SS-1024-ABZC-4469-SM 18-EX; the encoder enters the PLC system through a matched special safety isolation gate, and the height value of the traveling block during moving can be measured very accurately.
9. The drilling machine brake and integrated protection traveling system of claim 1, wherein: in the step S8, the electromagnetic valve is controlled by the PLC to output 24V power, and is in a normally closed state when the system is in normal operation; the function is to make and break the air source of the drilling machine system, and the electromagnetic valve is in a closed power-off state under the normal operation state of the drilling machine; once the system has an important alarm instruction, the electromagnetic valve is electrified to be in an open state and is used for cutting off an air source, so that the aim of controlling braking is fulfilled; the solenoid valve is installed in the driller room on site.
10. The drilling machine brake and integrated protection traveling system of claim 1, wherein: in step S8, the current transducer is made of pure copper material, and has the characteristics of low wire set, high conversion rate, long service life, and the like, and the parameter characteristics are as follows: POW DC24v, INPUT: 0-100A, OUPUT 4-20 mA; the system is used for collecting the output current value when the electromagnetic brake operates.
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| CN103775052A (en) * | 2014-02-17 | 2014-05-07 | 成都市卓新实业有限公司 | Drilling tool wellhead safety protection control device |
| CN204549874U (en) * | 2014-11-19 | 2015-08-12 | 海南建峰智能工程有限公司 | intelligent crown block anti-collision system |
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| CN205204734U (en) * | 2015-12-10 | 2016-05-04 | 中国石油集团川庆钻探工程有限公司 | Multiple brake control system based on well drilling winch |
| CN107654199A (en) * | 2016-03-16 | 2018-02-02 | 刘玉友 | Well drilling top drive and safety platform protection device |
| CN206014269U (en) * | 2016-08-30 | 2017-03-15 | 宝鸡石油机械有限责任公司 | Electronics anticollision device with pooling feature |
| CN106895991A (en) * | 2017-03-10 | 2017-06-27 | 中国地质科学院勘探技术研究所 | A kind of micro- brill testing stand of ultrasonic wave for simulating moon probing |
| CN206886582U (en) * | 2017-06-01 | 2018-01-16 | 中曼石油天然气集团股份有限公司 | A kind of electronics anti-collision protection system of oil-well rig tourist bus lifting device |
| CN109441423A (en) * | 2018-12-18 | 2019-03-08 | 濮阳市百福瑞德石油科技有限公司 | Petroleum drilling engineering drilling machine/tourist bus prevents control method and system out of control |
| CN210950757U (en) * | 2019-10-17 | 2020-07-07 | 中石化石油工程技术服务有限公司 | Electromagnetic brake monitoring and protecting device |
| CN111170190A (en) * | 2020-04-11 | 2020-05-19 | 山东科瑞机械制造有限公司 | Drilling rig winch disc brake integrated control method and device |
| CN111779474A (en) * | 2020-08-07 | 2020-10-16 | 王海峰 | Device and method for detecting inclination angle of drilling top drive hoisting ring |
| CN113374463A (en) * | 2021-08-12 | 2021-09-10 | 中石化西南石油工程有限公司 | Integrated automatic early warning and collision prevention device for drilling machine suspension system |
| CN216519329U (en) * | 2021-12-14 | 2022-05-13 | 濮阳市百福瑞德石油科技有限公司 | Oil drilling electromagnetic brake monitoring system |
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