CN101382068A - Eton brake auto bit feed system - Google Patents
Eton brake auto bit feed system Download PDFInfo
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- CN101382068A CN101382068A CNA2007101456242A CN200710145624A CN101382068A CN 101382068 A CN101382068 A CN 101382068A CN A2007101456242 A CNA2007101456242 A CN A2007101456242A CN 200710145624 A CN200710145624 A CN 200710145624A CN 101382068 A CN101382068 A CN 101382068A
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Abstract
The invention provides an automatic drilling control system matched with an oil rig, which comprises two parts of hardware and software, wherein the software comprises a host computer program, a PLC and a program of the PLC, the hardware comprises an electric control box, an air control box, and a transmitter, a sensor and an encoder arranged at an appropriate position of the spot. The organic combination of the software and the hardware forms a double-closed-loops control system consisting of a bit pressure outer ring and a cylinder pressure inner ring to output electric signals to control the pressure of an air path valve terminals and control the reliable actions of the big and small cylinders of Eaton braking, and realizes constant pressure drilling sending and protection of equipment.
Description
Technical field
The present invention relates to a kind of automatic bit feed system of boring mechanic, particularly relate to the automatic bit feed system that utilizes the Eton brake to realize on the oil-well rig.
Background technology
At present, the automatic bit feed system that the oil-well rig power drive system adopts mainly contains three types, and the technology contrast sees the following form:
| Sequence number | Send the brill mode | Functional description | Advantage | Shortcoming |
| 1 | Independent small machine send brill | Winch is by 45KW independence adjustable frequency motor, and the input gear reduction unit drives winch drum shaft behind cycloidal pinwheel planetary gear speed reducer, realizes the automatic bit feed function under computer control | Can realize that constant voltage is sent to bore with constant speed and send brill; The scope of application is big relatively, can be used for half power driven system rig, all-electric straight-flow system, all-electric frequency conversion system | The gear-box that mechanically will add big speed ratio in addition, and high performance air clutch etc.; To add on electric and send the brill frequency conversion tank.The driller hangs and closes and remove the automatic bit feed complex operation step; Cost is high relatively; The flight-line maintenance workload is big |
| 2 | Winch master motor send brill | Winch drives winch drum shaft by the 800KW adjustable frequency motor through gear reduction box, realizes the automatic bit feed function under software and hardware control | Can realize that constant voltage is sent to bore with constant speed and send brill; Easy to operate; The reliability height is especially with the control system better effects if of external well-known integrator | Only drive at electricity and utilize the winch frequency conversion system to realize on the frequency conversion rig, and frequency conversion electric drilling machine cost is quite expensive, large tracts of land is promoted the use of limited |
| 3 | Disk type brake send brill | Through electric control box, on-the-spot various hydraulic valves, sensor software and hardware combining, realize the automatic bit feed function by disk type brake | Can realize that constant voltage send brill; With low cost; The scope of application is big, half power driven system rig, all-electric straight-flow system, all-electric frequency conversion system, pure machine dimensions drill | Be subjected to the slow influence of hydraulic system movement response, the operation mid-game working clamp of stopping often is in like a state of embracing like pine, serious wear, and shorten application life greatly; Can not realize that constant speed send brill |
This shows that above-mentioned three types automatic bit feed system all has pluses and minuses, oil-well rig electricity driving field demands developing the higher automatic bit feed system of a kind of ratio of performance to price urgently.
The auxiliary brake of various rigs is one of capital equipments that must be supporting.Eton brake is exactly an auxiliary brake novel on the oil-well rig, replaces the electromagnetic eddy current brake of generally selecting for use at present just gradually, so exploitation serves as that low cost, the automatic bit feed system easy to operate of control object is extremely urgent with the Eton brake.
The design people is based on the experience of former design debug first three types automatic bit feed system, actively studied innovation, through continuous feasibility study, and, create finally with the Eton brake as control the present invention object, that have practical value through repetition test and after optimizing.
Summary of the invention
Technical problem underlying to be solved by this invention is, a kind of Eton brake auto bit feed system is provided, and it has constant voltage and send the outer shroud of brill, constant voltage to send the interior ring of brill, manually limit drilling speed port, safeguard protection loop and dual snub passage.
The present invention solves its technical problem underlying and realizes by the following technical solutions.Aforesaid Eton brake auto bit feed system, by host computer, PLC and program, electric control box, Pneumatic controlled box, and the suspending weight transmitter that is loaded on on-the-spot dead line anchor place, the cooling water inlet temperature sensor of Eton brake, the cooling water outlet temperature sensor of Eton brake, flow transmitter on the brake cooling water flow conduit of Eton, Control Network is formed in the speed encoder at winch drum place and Eton brake: the coolant water temperature of Eton brake is by inlet temperature sensor and outlet temperature sensor input electric control box, the detection signal of input electric control box also has the hook weigh of suspending weight transmitters sense, the cylinder actual speed that cooling water flow that flow transmitter detects and speed encoder detect, electric control box and Pneumatic controlled box, host computer and PLC and program are electrically connected, make PLC and program that input signal is handled the back by each valve island action in the electric control box control Pneumatic controlled box, and can obtain the state on these valve islands, finally by Pneumatic controlled box control Eton brake; This Control Network includes constant voltage and send brill control net and safety protection control net.
The present invention solves its technical problem and also realizes by following technical measures:
Aforesaid Eton brake auto bit feed system, wherein said constant voltage send and bore the control net and include constant voltage and send the outer shroud of brill, constant voltage to send the interior ring of brill, manually limit the drilling speed port; Wherein said safety protection control net includes safeguard protection loop and dual snub passage.
Aforesaid Eton brake auto bit feed system, it is manually to set the pressure of the drill set-point by the operation screen of host computer that wherein said constant voltage is sent the outer shroud of brill, PLC and program are processed into instantaneous the pressure of the drill value of feedback with the hook weigh signal of the output of the suspending weight transmitter in the drilling well, relatively form deviate in the back with the pressure of the drill set-point, carry out again regulating, realize the pressure of the drill closed-loop control through proportional-integral-differential (being called for short PID) computing.
Aforesaid Eton brake auto bit feed system, it is manually to set maximum lowering velocity by the operation screen of host computer that wherein said constant voltage is sent the interior ring of brill, PLC and program are according to the output of this maximum value amplitude limiting processing the pressure of the drill closed loop, make comparisons, regulate with the large and small cylinder actual feedback pressure of Eton brake in the Pneumatic controlled box, realize the pressure closed loop control of large and small cylinder through the PID computing.
Aforesaid Eton brake auto bit feed system, wherein said artificial restriction drilling speed port are the artificial setting values of operation screen input by host computer, through the processing of PLC and program, form the speed set-point that drilling tool is transferred in driller's restriction.
Aforesaid Eton brake auto bit feed system, wherein said safeguard protection loop is that PLC and program detect gas source pressure, the entrance and exit temperature of Eton brake cooling water, the Eton brake cooling water flow in the Eton brake Pneumatic controlled box, compare processing with the limit value of these parameters, realize protection Eton brake hardware; PLC and program detect the actual speed that drilling tool is transferred, and compare processing with the artificial setting value of the operation screen of host computer, prevent to transfer drilling tool hypervelocity, drilling string not well braked.
Aforesaid Eton brake auto bit feed system, wherein said dual snub passage is that the normal off electromagnetic valve by the Pneumatic controlled box setting constitutes bypass loop, the output pressure on valve island during failure condition three-way electromagnetic valve shutoff often automatic bit feed, prevent that air from pouring in down a chimney, simultaneously, the normal off solenoid valve conduction directly adds to the big cylinder snub of braking in the Eton with bleed pressure, constitutes a snub passage; By the action of stopping of PLC and program output signal of telecommunication control panel, constitute another snub passage.
The present invention compared with prior art has tangible advantage and beneficial effect.By above technical scheme as can be known, the present invention send brill control net and safety protection control net by making up constant voltage, has successfully realized the automatic bit feed function first in the brake of Eton.
In sum, Eton brake auto bit feed system of the present invention, it is in limited field, technical development space, no matter structurally or bigger improvement all arranged on the function, and have large improvement technically, and produced handy and practical effect, really be a new and innovative, progressive, practical new design.
The specific embodiment of the present invention is provided in detail by the following drawings and program circuit.
Description of drawings
Figure 1A is the control system general diagram.
Fig. 2 A is the control system schematic diagram of gas circuit.
Fig. 2 B is control system circuit theory Fig. 1.
Fig. 2 C is control system circuit theory Fig. 2.
Fig. 2 D is control system circuit theory Fig. 3.
Fig. 3 A is the control system program flow diagram.
Wherein:
20. host computer 21.PLC and program 22. electric control boxs
23. Pneumatic controlled box 24. suspending weight transmitters 25. inlet temperature sensors
26. outlet temperature sensor 27. flow transmitters 28. speed encoders
29. Eton brake;
211. filter pressure regulator valve 212. reducing valve 213. pressure transmitter A
214. normal off electromagnetic valve 215. choke valves 216. big cylinder proportioning valves
217. relay A 218. stingy cylinder proportioning valve 219. relay B
2110. normal open electromagnetic valve 2111. pressure transmitter B 2112. pressure transmitter C
221. pressure transmitter D 222. pressure transmitter E 223. changeover switch A
224.PLC CPU module 226. transmitters of analog module 225.PLC;
231. changeover switch B 232. tightly stops button 233. signal lamp A
234. signal lamp B 235. relays 236. signal lamp C
237. signal lamp D 241. executors 242. transmitters
The specific embodiment
Below in conjunction with accompanying drawing, to the specific design thinking of aforesaid Eton brake auto bit feed system, embodiment describe in detail as after.
See also shown in Figure 1A, the coolant water temperature of Eton brake 29 is by inlet temperature sensor 25 and outlet temperature sensor 26 input electric control boxs 22, the hook weigh that the detection signal of input electric control box 22 also has suspending weight transmitter 24 to detect, the cylinder actual speed that cooling water flow that flow transmitter 27 detects and speed encoder 28 detect, electric control box 22 and Pneumatic controlled box 23, host computer 20 is connected with PLC and program 21, make PLC and program 21 that input signal is handled the back by each valve island action in the electric control box 22 control Pneumatic controlled boxes 23, and can obtain the state on these valve islands, Pneumatic controlled box 23 control Eton brakes 29.
See also shown in Figure 1A, the 2C, host computer 20 is the control core of system with PLC and program 21 by the network that Profibus-DP forms, and finishes optimization, calculating, control and the management work of data.The display frame of host computer 20 mainly contains analog quantity display frame, send and bores operation screen, height display frame etc.Wherein, utilize the torque of analog quantity display frame monitoring rotating disk, pump pressure, Eton brake gas source pressure, big cylinder pressure, little cylinder pressure, cooling water flow, cooling water inlet temperature, cooling water outlet temperature, cylinder actual speed, hook weigh and actual the pressure of the drill.Send to bore when operation screen drops into automatic bit feed for the driller and use: the first step, the pressure of the drill school zero when drill bit arrived bottom hole location; Second step, the pressure of the drill setting, lowering velocity limit setting, big cylinder initial pressure assignment; In the 3rd step, closed changeover switch B231 drops into automatic bit feed, unclamps dish then and stops, and enters the automatic bit feed pattern fully.Utilize the current height of height display frame monitoring hook, finish to bump down and pound function.
See also shown in Fig. 2 B, the 3A, bore operation screen by sending of host computer 20 and manually import the pressure of the drill setting value as set-point, the analog module 224 of PLC is gathered the hook weigh signal of suspending weight transmitter 24 outputs, PLC and program 21 become the pressure of the drill actual feedback with its optimization process, the pressure of the drill set-point and the pressure of the drill actual feedback are given Siemens standard P ID program block SFB58 simultaneously, constitute the pressure of the drill closed-loop control.After the output negate of the pressure of the drill ring, bore operation screen by sending of host computer 20 and manually provide lowering velocity limit setting value, after amplitude limiting processing as the set-point of stingy cylinder pressure rings, the analog module 224 of PLC is gathered Eton that pressure transmitter B2111 the send little cylinder pressure signal that brakes and is processed into the pressure actual feedback by PLC and program 21, and pressure given value and value of feedback are given Siemens standard P ID program block SFB58 simultaneously and constituted stingy cylinder pressure closed loop and control.Send big cylinder initial pressure setting value of boring artificial input in the operation screen and the big cylinder pressure actual value that pressure transmitter C2112 sends to constitute big cylinder pressure closed loop control by host computer 20.Pressure rings serves as the control core with little cylinder, big cylinder only when stingy cylinder pressure limit such as little cylinder pressure greater than 8KG, drum speed greater than zero or less than 4KG, the null situation coordination of drum speed.
See also shown in Fig. 2 B, 2C, the 3A; the analog module 224 of PLC is gathered the rotating disk torque of pressure transmitter E222 output, the pump pressure of pressure transmitter D221 output, the gas source pressure of pressure transmitter A213 output, the cooling water flow of flow transmitter 27 outputs, the cooling water inlet temperature of inlet temperature sensor 25 outputs, the signals such as cooling water outlet temperature of outlet temperature sensor 26 outputs; compare with setting value, the timely diagnosis to hardware when finishing anomaly is protected.Signal lamp B234 does not light when not satisfying drilling technology and require as the turntable torque of automatic bit feed process and pump pressure; Eton brake cooling water flow is lower than 20m
3Signal lamp C236 lights during/h; Signal lamp D237 lighted when Eton brake import and export cooling range was higher than 10 ℃.
See also shown in Fig. 2 C, the 3A; the output signal of speed encoder 28 is by after handling the assignment of Siemens standard frequency counting program block SFB47; finish collection to current height monitoring of hook and cylinder actual speed; wherein highly monitor to finish to bump down and pound function; the cylinder actual speed is convenient to the driller with reference to the rate of penetration of restriction during automatic bit feed, and out-of-control phenomenon protections such as the hypervelocity when relatively realizing automatic bit feed with set-point, drilling string not well braked.
See also shown in Fig. 2 A, 2B, the 2D, the output of stingy cylinder pressure rings drives stingy cylinder proportioning valve 218 actions by the CPU module 225 of PLC, the output of big cylinder pressure rings is by the CPU module 225 of PLC, through big cylinder proportioning valve 216 actions of changeover switch A223 conversion rear drive, the output pressure of big cylinder proportioning valve 216, stingy cylinder proportioning valve 218 amplifies the back through relay A217, relay B219 respectively and controls the brake pressure of large and small cylinder of Eton, reach and rationally transfer drilling tool, finish the automatic bit feed function.In addition, the manual operation of Eton brake is switched by changeover switch A223 with automatic bit feed, interlock each other, wherein only when automatic bit feed moves signal lamp A233 light, hand-operated brake is realized Eton brake 29 functions as auxiliary brake by executor 241 Artificial Control.
See also shown in Fig. 2 A, 2C, the 3A, big cylinder also is provided with bypass loop, when having fault to take place in the automatic bit feed process, signal lamp B234, signal lamp C236, signal lamp D237 light, this moment, the relay A217 output channel normal open electromagnetic valve 2110 of big cylinder ended, and prevented that air from pouring in down a chimney, and the bypass loop of big cylinder is by 214 conductings of normal off electromagnetic valve, gas source pressure directly adds to big cylinder, realizes snub.Simultaneously, PLC and program 21 output signals make relay 235 adhesives, and the driving-disc band-type brake of stopping is realized dual snub.
The above, it only is exemplary embodiment of the present invention, not being that any pro forma restriction is done in invention, is any simple modification, equivalent variations and the modification of above design framework being done according to technical spirit of the present invention in every case, all still belongs in the scope of technical solution of the present invention.
Claims (8)
1, a kind of Eton brake auto bit feed system that is matched on the oil-well rig, it is characterized in that by host computer (20), PLC and program (21), electric control box (22), Pneumatic controlled box (23), and the suspending weight transmitter (24) that is loaded on on-the-spot dead line anchor place, the inlet temperature sensor of Eton brake cooling water (25), the outlet temperature sensor of Eton brake cooling water (26), flow transmitter (27) on the brake cooling water flow conduit of Eton, Control Network is formed in speed encoder at winch drum place (28) and Eton brake (29): the coolant water temperature of Eton brake (29) is by inlet temperature sensor (25) and outlet temperature sensor (26) input electric control box (22), the hook weigh that the detection signal of input electric control box (22) also has suspending weight transmitter (24) to detect, the cylinder actual speed that cooling water flow that flow transmitter (27) detects and speed encoder (28) detect, electric control box (22) and Pneumatic controlled box (23), host computer (20) and PLC are electrically connected, make PLC and program (21) that input signal is handled the back by each valve island action in electric control box (22) the control Pneumatic controlled box (23), and can obtain the state on these valve islands, finally by Pneumatic controlled box (23) control Eton brake (29); This Control Network includes constant voltage and send brill control net and safety protection control net.
2, Eton brake auto bit feed system according to claim 1 is characterized in that wherein said constant voltage is sent to bore the control net and include constant voltage and send the outer shroud of brill, constant voltage to send the interior ring of brill, manually limit the drilling speed port.
3, Eton brake auto bit feed system according to claim 2, it is characterized in that it is manually to set the pressure of the drill set-point by the operation screen of host computer (20) that wherein said constant voltage is sent the outer shroud of brill, PLC and program (21) are processed into instantaneous the pressure of the drill value of feedback with the hook weigh signal of the output of the suspending weight transmitter (24) in the drilling well, relatively form deviate in the back with the pressure of the drill set-point, regulate through the PID computing, realize the pressure of the drill closed-loop control.
4, Eton brake auto bit feed system according to claim 2, it is characterized in that it is manually to set maximum lowering velocity by the operation screen of host computer (20) that wherein said constant voltage is sent the interior ring of brill, PLC and program (21) are according to the output of this maximum value amplitude limiting processing the pressure of the drill closed loop, make comparisons with the large and small cylinder actual feedback pressure of Eton brake in the Pneumatic controlled box (23), regulate through the PID computing, realize the pressure closed loop control of large and small cylinder.
5, Eton brake auto bit feed system according to claim 2, it is characterized in that wherein said artificial restriction drilling speed port is the artificial setting value of operation screen input by host computer (20), through the processing of PLC and program (21), form the speed set-point that drilling tool is transferred in driller's restriction.
6, Eton brake auto bit feed system according to claim 1 is characterized in that wherein said safety protection control net includes safeguard protection loop and dual snub passage.
7, Eton brake auto bit feed system according to claim 6, it is characterized in that wherein said safeguard protection loop is that PLC and program (21) detect gas source pressure, the entrance and exit temperature of Eton brake cooling water, the Eton brake cooling water flow in the Eton brake Pneumatic controlled box (23), compare processing with the limit value of these parameters, realize protection Eton brake hardware; PLC and program (21) detect the actual speed that drilling tool is transferred, and compare processing with the artificial setting value of host computer (20) operation screen, prevent to transfer drilling tool hypervelocity, drilling string not well braked.
8, Eton brake auto bit feed system according to claim 6, it is characterized in that wherein said dual snub passage is to constitute bypass loop by the normal off electromagnetic valve that Pneumatic controlled box (23) is provided with, the output pressure on valve island during failure condition three-way electromagnetic valve shutoff often automatic bit feed, prevent that air from pouring in down a chimney, simultaneously, the normal off solenoid valve conduction directly adds to the big cylinder snub of braking in the Eton with bleed pressure, constitutes a snub passage; By the action of stopping of PLC and program (21) output signal of telecommunication control panel, constitute another snub passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101456242A CN101382068A (en) | 2007-09-06 | 2007-09-06 | Eton brake auto bit feed system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101456242A CN101382068A (en) | 2007-09-06 | 2007-09-06 | Eton brake auto bit feed system |
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| Publication Number | Publication Date |
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| CN101382068A true CN101382068A (en) | 2009-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101456242A Pending CN101382068A (en) | 2007-09-06 | 2007-09-06 | Eton brake auto bit feed system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102373915A (en) * | 2010-08-23 | 2012-03-14 | 四川宏华石油设备有限公司 | Bit feeding system of drilling machine |
| CN101566059B (en) * | 2009-05-27 | 2014-06-04 | 中曼石油天然气集团股份有限公司 | Wide-adaptive novel automatic driller |
| CN104653168A (en) * | 2014-12-10 | 2015-05-27 | 天水电气传动研究所有限责任公司 | Petroleum drilling machine multi-mode automatic drilling control method |
| CN105257275A (en) * | 2015-10-14 | 2016-01-20 | 三一重型能源装备有限公司 | Automatic drilling feeding system of petroleum drilling machine |
| CN108825203A (en) * | 2018-07-10 | 2018-11-16 | 中石化四机石油机械有限公司 | A kind of belt brake automatic drill feeder of Pneumatic proportional control |
-
2007
- 2007-09-06 CN CNA2007101456242A patent/CN101382068A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101566059B (en) * | 2009-05-27 | 2014-06-04 | 中曼石油天然气集团股份有限公司 | Wide-adaptive novel automatic driller |
| CN102373915A (en) * | 2010-08-23 | 2012-03-14 | 四川宏华石油设备有限公司 | Bit feeding system of drilling machine |
| CN104653168A (en) * | 2014-12-10 | 2015-05-27 | 天水电气传动研究所有限责任公司 | Petroleum drilling machine multi-mode automatic drilling control method |
| CN104653168B (en) * | 2014-12-10 | 2017-08-04 | 天水电气传动研究所有限责任公司 | Oil-well rig multi-mode automatic bit feed control method |
| CN105257275A (en) * | 2015-10-14 | 2016-01-20 | 三一重型能源装备有限公司 | Automatic drilling feeding system of petroleum drilling machine |
| CN105257275B (en) * | 2015-10-14 | 2018-11-20 | 三一重型能源装备有限公司 | A kind of oil-well rig automatic bit feed system |
| CN108825203A (en) * | 2018-07-10 | 2018-11-16 | 中石化四机石油机械有限公司 | A kind of belt brake automatic drill feeder of Pneumatic proportional control |
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Application publication date: 20090311 |