CN202194597U - Automatic control system for monitoring torque of oil well sleeve wrench - Google Patents
Automatic control system for monitoring torque of oil well sleeve wrench Download PDFInfo
- Publication number
- CN202194597U CN202194597U CN2011203367616U CN201120336761U CN202194597U CN 202194597 U CN202194597 U CN 202194597U CN 2011203367616 U CN2011203367616 U CN 2011203367616U CN 201120336761 U CN201120336761 U CN 201120336761U CN 202194597 U CN202194597 U CN 202194597U
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- China
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- oil well
- well casing
- slave
- pincers
- torquemeter
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Abstract
The utility model relates to an automatic control system for monitoring torque of an oil well sleeve wrench, which comprises an oil well sleeve wrench torquemeter main machine, a sensor and structural parts. The oil well sleeve wrench torquemeter main machine is composed of an industrial personal computer and a slave machine, and the industrial personal computer serving as an upper computer is in communicating connection with the slave machine serving as a lower computer. Real-time acquisition and displaying of field data, data processing and report form printing are integrated, and screw-on parameters are memorized automatically. Time changing curves of the torque and the number of turns are displayed on the same coordinate simultaneously, so that the working conditions of construction is more visualized and screw-closure torque values are to the point. The well type is automatically displayed according to input working parameters so as to prompt a deepening position of the sleeve. A manual operation and automatic operation switching device is designed to improve system reliability and adapt to operating habits of workers. An integrated box type vehicle is used for resolving the problems of inconvenient carrying, complicated installation and dismounting on site and the like for a platform. The system utilizes higher hardware configuration, thereby ensuring achievement of a detection and control function, reserving space for expanding future functions and being convenient to carry and flexible in operation.
Description
Technical field
The utility model relates to oil drilling machinery monitoring equipment, particularly oil well casing pincers torque monitoring automatic control system.
Background technology
Casing job is an important link in drilling operation course, and its operation quality quality directly influences casing threads quality of connection, oil recovery amount and oil well life-span etc.At present, the sleeve pipe of domestic use relatively mixes and because of sealing means, stop-leak compound, caliber specification, grade of steel model, the thick difference of arm, and it is also different that control screws torque value, screws torque value and crosses conference and rise and split screw thread or produce excessive stresses; Too small meeting causes the insufficient strength that is threaded, and causes poor sealing etc.The structure of existing oil well casing pincers torquemeter is generally: 1. the error that pointer torsion gage demonstration dependence personal monitoring, record screw torque value is big; Screw moment of torsion by the accurate control of manual work, operating personnel must have certain experience and learning process to be competent at.2. single-chip microcomputer digital display structure only shows and writes down the torque value and the last button number of turns, screws moment of torsion by Artificial Control, and operating personnel must have certain experience and learning process to be competent at, at the bottom of the automaticity.3. the complicated volume of upper and lower computer formation multiple power supplies electric power-feeding structure is big, and torsion number of turns curve corresponding relation is directly perceived, fault rate is high.Therefore, improving monitoring, record and the control automatization level that casing threads screws the moment of torsion journey of going into the well is the urgent problems that solve of needs.And at present domestic do not have as yet a kind ofly can reach real-time monitoring, show that corresponding hyperbola and computer management are that the oil well casing pincers torque monitoring automatic control system of one occurs, and do not see that document has the report of technical article in this respect in real time yet.
Summary of the invention
The purpose of the utility model is exactly for overcoming the deficiency of prior art; Screw the urgent problem that solves of these needs of moment of torsion to monitoring, write down, control the casing threads of going into the well; A kind of oil well casing pincers torque monitoring design of automatic control system scheme is provided; Make oil well casing pincers torque monitoring automatic control system integrate on-site data gathering demonstration, data, data management, casing job management; Make the casing job process become the specialized management system, make it standardization, standardization.
The utility model is to realize through such technical scheme: oil well casing pincers torque monitoring automatic control system; Comprise oil well casing pincers torquemeter main frame, sensor and structural member; It is characterized in that; Said oil well casing pincers torquemeter main frame is made up of Industrial Personal Computer (IPC) and slave, and Industrial Personal Computer (IPC) is as host computer, is connected with communicating by letter as the slave of slave computer through RS232 communication interface (or RS232/485 change-over circuit interface);
The slave circuit module connects A/D change-over circuit, photoelectricity coupling circuit and relay respectively by the C8051 single-chip microcomputer and constitutes; Input through the A/D change-over circuit connects pressure transmitter, connects photoelectric encoder through the photoelectricity coupling circuit, connects and the control eduction valve through relay;
On the torsion gage interface of the hydraulic jack that oil well casing clamps, threeway is installed, two other interface of threeway connects pressure transmitter and torsion gage respectively;
Photoelectric encoder is installed on the oil well casing pincers, and the photoelectric encoder central axis is connected through the centre bore of flexible axle with the driving gearshaft of the reservation test usefulness of oil well casing pincers;
Gather hydraulic jack pressure by pressure transmitter, send the A/D change-over circuit to the 4-20mA current signal, the 4-20mA current signal converts data signal into and sends the C8051 single-chip microcomputer to through A/D, is scaled torque value through SCM program;
Upper Industrial Personal Computer (IPC) software is set torsion in advance; When the detected torque value of slave reached the host computer setting value, host computer then sent instruction, and single-chip microcomputer is according to the commands for controlling actuating of relay, and then the work of control eduction valve;
Gather the driving gearshaft revolution of oil well casing pincers by photoelectric encoder; The photoelectric encoder output pulse signal is shaped as continuous square-wave signal through the photoelectricity coupling circuit and is transferred to single-chip microcomputer; Detain the number of turns on the single-chip microcomputer record sleeve pipe, this moment, the torsion and the number of turns showed correlation curve in real time by host computer.
The beneficial effect of the utility model: PC and instrument integrated power supply, easy to carry, flexible operation; Real-time collection of field data and demonstration, data, report printing are gone up the button parameter in one, automatic storage; The time changing curve that on same coordinate, shows torsion, the number of turns simultaneously makes the construction operating mode more directly perceived; Make that to screw torque value just right; Automatically show the well type according to input working parameter, deep-seated is put under the prompting sleeve pipe; Be designed with manually, automatic switching control equipment improves system reliability and adapts to workman's operating habit; Use integrated box car to solve problems such as the loaded down with trivial details carrying inconvenience of on-the-spot installing/dismounting as platform; System has selected higher hardware configuration for use, has guaranteed that system detects the realization of control function, and is that the space has been reserved in the expansion of function in future.
Description of drawings
Fig. 1, oil well casing pincers torsion-testing system architecture diagram;
Fig. 2, oil well casing pincers torquemeter circuit structure diagram
Fig. 3, program flow diagram;
Fig. 4, photoelectric encoder linkage structure chart.
The specific embodiment
Understand the utility model for clearer, describe the utility model in detail in conjunction with accompanying drawing and embodiment:
Like Fig. 1-shown in Figure 4, oil well casing pincers torquemeter main frame is made up of Industrial Personal Computer (IPC) and slave, and Industrial Personal Computer (IPC) is as host computer, is connected with communicating by letter as the slave of slave computer through RS232 communication interface (or RS232/485 change-over circuit interface);
The slave circuit module connects A/D change-over circuit, photoelectricity coupling circuit and relay respectively by the C8051 single-chip microcomputer and constitutes; Input through the A/D change-over circuit connects pressure transmitter, connects photoelectric encoder 3 through the photoelectricity coupling circuit, connects and the control overflow valve through relay;
On the torsion gage interface of the hydraulic jack that oil well casing clamps, threeway is installed, two other interface of threeway connects pressure transmitter and torsion gage respectively; Pressure transmitter is used to measure the pressure of oil well casing pincers hydraulic jack, and pressure is transformed into the signal of telecommunication, and then is converted into the tightening torque value;
Gather hydraulic jack pressure by pressure transmitter; And pressure is transformed into the signal of telecommunication; Send the A/D change-over circuit to the 4-20mA current signal, the 4-20mA current signal converts data signal into and sends the C8051 single-chip microcomputer to through A/D, is scaled torque value through the C8051 SCM program;
Upper Industrial Personal Computer (IPC) software is set torsion in advance; When the detected torque value of slave reached the host computer setting value, host computer then sent instruction, and the C8051 single-chip microcomputer is according to the commands for controlling actuating of relay, and then the work of control eduction valve;
Gather driving gearshaft 6 revolutions of oil well casing pincers by photoelectric encoder 3; Photoelectric encoder 3 output pulse signals are shaped as continuous square-wave signal through the photoelectricity coupling circuit and are transferred to single-chip microcomputer; Detain the number of turns on the single-chip microcomputer record sleeve pipe, this moment, the torsion and the number of turns showed correlation curve in real time by host computer.
The effect of electromagnetic relief valve: instrument is in automatic control state, after tightening torque reaches setting value, and automatic deloading, the oil well casing pincers stop to change.
Connecting line box: be used to connect photoelectric encoder 3, built-in pressure transmitter, the back opening entry that under manual state, touches the button, the storage related data that links closely.
Pressure transmitter is installed: for example: on the TQ35 sleeve pipe, unload the gauge stand and the transit joint that the hydralic hose line is connected of pincers upward pressure table, be replaced by tee junction.The left end of tee junction is connected with the gauge stand of oil well casing pincers pincers upward pressure table, and right-hand member is connected with the hydralic hose line, and the upper end is connected with pressure transmitter.
Electromagnetic relief valve is installed: the electromagnetic relief valve that will be equipped with at random replaces the manual overflow valve on the pumping plant to get final product.The position of pumping plant overflow valve is in the exit of pumping plant circuit.
Oil well casing pincers torquemeter integrates on-site data gathering demonstration, data, data management, casing job management, makes the casing job process become the specialized management system, makes it standardization, standardization.
Its main feature is following:
(1), native system is become by upper and lower mechanism and realizes integrated.
(2), native system integrates the real-time collection of field data and demonstration, data, report printing, overall merit, makes casing job systematization, standardization, for estimating the casing job quality reliable foundation is provided.
(3), in real time show that sleeve pipe screws moment of torsion, screws the number of turns, dynamically show curve that sleeve pipe screws torque value and change with the number of turns, and sleeve pipe screw moment of torsion change curve in time.
(4) but, the survey data long preservation, and can become the output of form and figure by printer prints.
(5), control automatically.In order to reach point-device final torque value, system adopts pressure hysteresis and screws moment of torsion calculates the accurate instantaneous moment of torsion, in order to open overflow valve, to make the very approaching control torque value that sets of the moment of torsion that finally reaches.
(6), easy and simple to handle.Under automatic control state, system can accomplish whole collecting works without any need for external condition; Under non-automatic control situation, whole system only needs oil well casing pincers operator to provide an end signal to get final product in the casing job process.
(7), this cover system is applicable to Chinese Win XP operating system at present, and Chinese and English interface is provided, the metric and English translation function can be used for external service.
Technical data:
(1), measurement category and allowable error:
Moment of torsion: 0～35kN.m error≤2% (measurement category can be selected);
The number of turns: 0～99.99 error≤0.1 circle;
(2), service condition:
Environment temperature :-10～+ 70 ℃;
Relative humidity :≤85%;
Power supply: single phase ac 220V 50Hz;
Binding clip rotating speed :≤100r/min
Power supply allows fluctuation range: 185～240V, 49～51Hz;
(3), the scope of application:
Be applicable to TQ-35, TQ-20, TQ-16, Ai Keer 13-3/8, Vad good fortune W16-25 jacket pipe wrench.
Oil well casing pincers torquemeter operating procedure comprises:
1, under the situation of outage, connects host computer, connecting line box, photoelectric encoder 3, electromagnetic relief valve etc. respectively with the signal cable line.Attention: holding wire is wanted overhead cabling, and adjustment holding wire length had both been crossed pine and also do not wanted tension, avoided in operation process, breaking signal cable.2, detected pressures, moment of torsion, the number of turns three values, method is: at first start, selected project starts in program then and demarcates window; Handlance is connected with the torque meter pouring orifice, oil is injected the pipeline of torque meter, torque value is risen more than 2kN.m; Stablize a value, reexamine number of turns value: rotate the oil well casing pincers, observe number of turns value and whether changing; If the number of turns value in the demarcation window is explained in proper working order changing; Otherwise should check whether photoelectric encoder 3, power transmission shaft, locking nut be good, and cable and plug have or not short circuit place, if any short circuit with open circuit, check out the position, up to good troubleshooting.
More than three numerical value detected close after, can operate as normal, with reference to the content in the software manual, carry out the parameter setting.
According to above-mentioned explanation, can realize the scheme of the utility model in conjunction with art technology.
Claims (1)
1. oil well casing clamps the torque monitoring automatic control system; Comprise oil well casing pincers torquemeter main frame, sensor and structural member; It is characterized in that; Said oil well casing pincers torquemeter main frame is made up of Industrial Personal Computer (IPC) and slave, and Industrial Personal Computer (IPC) is as host computer, is connected with communicating by letter as the slave of slave computer through RS232 communication interface or RS232/485 change-over circuit interface; The slave circuit module connects A/D change-over circuit, photoelectricity coupling circuit and relay respectively by the C8051 single-chip microcomputer and constitutes; Input through the A/D change-over circuit connects pressure transmitter, connects photoelectric encoder through the photoelectricity coupling circuit, connects and the control eduction valve through relay; On the torsion gage interface of the hydraulic jack that oil well casing clamps, threeway is installed, two other interface of threeway connects pressure transmitter and torsion gage respectively; Photoelectric encoder is installed on the oil well casing pincers, and the photoelectric encoder central axis is connected through the centre bore of flexible axle with the driving gearshaft of the reservation test usefulness of oil well casing pincers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203367616U CN202194597U (en) | 2011-09-08 | 2011-09-08 | Automatic control system for monitoring torque of oil well sleeve wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203367616U CN202194597U (en) | 2011-09-08 | 2011-09-08 | Automatic control system for monitoring torque of oil well sleeve wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202194597U true CN202194597U (en) | 2012-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203367616U Expired - Lifetime CN202194597U (en) | 2011-09-08 | 2011-09-08 | Automatic control system for monitoring torque of oil well sleeve wrench |
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| CN (1) | CN202194597U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305038A (en) * | 2011-09-08 | 2012-01-04 | 天津弗兰克科贸有限公司 | Oil well casing tong torque monitoring automatic control system |
| CN104791309A (en) * | 2015-03-17 | 2015-07-22 | 江苏中石机械有限公司 | Screw-on high-gear torque and low-gear torque control method of power tongs |
| CN109443624A (en) * | 2018-10-15 | 2019-03-08 | 中国石油集团渤海钻探工程有限公司 | A kind of casing tong, power station and automatic control system for torque verifying attachment |
-
2011
- 2011-09-08 CN CN2011203367616U patent/CN202194597U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305038A (en) * | 2011-09-08 | 2012-01-04 | 天津弗兰克科贸有限公司 | Oil well casing tong torque monitoring automatic control system |
| CN104791309A (en) * | 2015-03-17 | 2015-07-22 | 江苏中石机械有限公司 | Screw-on high-gear torque and low-gear torque control method of power tongs |
| CN109443624A (en) * | 2018-10-15 | 2019-03-08 | 中国石油集团渤海钻探工程有限公司 | A kind of casing tong, power station and automatic control system for torque verifying attachment |
| CN109443624B (en) * | 2018-10-15 | 2020-07-31 | 中国石油集团渤海钻探工程有限公司 | Inspection device for casing tongs, power station and automatic torque control system |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120418 |
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| CX01 | Expiry of patent term |