CN105257260A - Double-insurance energy-saving oil extraction machine - Google Patents
Double-insurance energy-saving oil extraction machine Download PDFInfo
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- CN105257260A CN105257260A CN201510820331.4A CN201510820331A CN105257260A CN 105257260 A CN105257260 A CN 105257260A CN 201510820331 A CN201510820331 A CN 201510820331A CN 105257260 A CN105257260 A CN 105257260A
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Abstract
The invention discloses a double-insurance energy-saving oil extraction machine and relates to the field of oil exploitation. The machine is composed of a control system, a reversing speed reducer, an intermittent brake motor, a well head device, a hydraulic braking device and a screw pump, wherein the intermittent brake motor is in transmission connection with an input shaft of the reversing speed reducer, a brake disc is fixed to one end of an output shaft of the reversing speed reducer and is in clearance fit with the hydraulic braking device, and the other end of the output shaft of the reversing speed reducer is in transmission connection with a rotor of the screw pump through a sucker rod; the control system is in circuit connection with the intermittent brake motor and the hydraulic braking device. According to the double-insurance energy-saving oil extraction machine, the intermittent brake motor and hydraulic braking device double insurance measures are provided, the defect of excessive inertia force caused by continuous rotation is overcome, and then braking safety and reliability are ensured; the automotive ABS technique is adopted for the hydraulic braking device, the torque reversal characteristic of the screw pump is utilized, a hydraulic clamp is controlled through the control system, and the purpose of regularly and slowly relieving the elastic torque of a driving rod is realized.
Description
Technical field
The present invention relates to field of petroleum exploitation, refer more particularly to a kind of dual fail-safe energy saving oil extraction machine.
Background technology
Dual fail-safe energy saving oil extraction machine runs after a period of time shuts down in start, and the phenomenon of instantaneous high speed reverse rotation can occur sucker rod, after reversion runaways, gently then damages machine, heavy then jeopardize the safety of surrounding people.The reason producing reversal development mainly contains following two aspects: when (1) dual fail-safe energy saving oil extraction machine shuts down rear or holddown, is stored in the distortion torsional-energy meeting release fast in roofbolt, roofbolt is reversed fast.(2) after shutting down, in the liquid in oil pipe and external transport pipeline and sleeve pipe well hydraulic pressure difference effect under, dual fail-safe energy saving oil extraction pump can become, and the roofbolt of rotor and connection is reversed fast.Oil pipe pressure reduction is larger, and roofbolt speed reversal is faster, and the duration is longer.Meeting out of control of reversing causes roofbolt dropout, polished rod gets rid of curved, the damage of surface drive component; It is inevitable that dual fail-safe energy saving oil extraction machine oil extraction system shuts down out of control the brought harm reversal development of reversion; if but it is out of control; just very large harm can be produced; be mainly manifested in following three aspects: (1) reverses, and meeting out of control causes roofbolt dropout, polished rod gets rid of curved, the damage of surface drive component.(2) meeting out of control of reversing causes part overheated, lights well head free gas, causes well head combustion explosion.(3) to reverse the safety of entail dangers to site operation personnel out of control, cause the hidden danger of production accident.
Summary of the invention
In order to overcome the problems referred to above, the invention provides a kind of dual fail-safe energy saving oil extraction machine.
Dual fail-safe energy saving oil extraction machine of the present invention, become by control system, communtation deceleration device, interval braking motor, wellhead assembly, water brake dual fail-safe energy saving oil extraction mechanism, interval braking motor and the power shaft of communtation deceleration device are in transmission connection, one end of the output shaft of this communtation deceleration device be fixed with brake disc and be actively tied in fluid brake, the other end is in transmission connection by sucker rod and dual fail-safe energy saving oil extraction machine; Control system connects with interval braking motor and fluid brake circuit respectively.
As a further improvement on the present invention, be provided with power shaft, jackshaft and output shaft in communtation deceleration device, power shaft is coaxially fixed with input gear and bevel gear, jackshaft are coaxially fixed with basin tooth and driving gear, output shaft are coaxially fixed with output gear; Bevel gear engages with basin tooth, and driving gear engages with output gear.
As a further improvement on the present invention, interval braking motor is made up of motor and the intermittent brake that is fixed on back end cover for motor, the motor shaft of motor is fixed with direct-connected gear, this direct-connected gear engages with the input gear of communtation deceleration device.
As a further improvement on the present invention, the output shaft of communtation deceleration device is hollow shaft, its top is fixed with packing box, brake disc and optical-rod clamp successively, insert in this output shaft and be fixed with a polished rod by optical-rod clamp, one end that this polished rod is positioned at below communtation deceleration device is in transmission connection by sucker rod and dual fail-safe energy saving oil extraction machine.
As a further improvement on the present invention, the main steel frame of intermittent brake is fixed on the rear end cap of motor, between rear end cap and main steel frame, be provided with travelling gear, brake block, friction plate and electromagnet successively, travelling gear is coaxially fixed with the motor shaft of motor, is engaged with brake block internal gear simultaneously; The friction plate of metal by limited post and main steel frame axially dynamic coordinate and and be provided with spring between main steel frame; Electromagnet is fixed in main steel frame, and motor and electromagnet all connect with control system circuit.
As a further improvement on the present invention, fluid brake is made up of hydraulic pump, fuel tank, distributing valve, driven gear, one-way clutch and main support, the driven gear engaged with input gear and one-way clutch are all installed in main support, and this main support is fixed on the end cap of hydraulic pump; The pump shaft of hydraulic pump and the one-way clutch coaxially outer shroud of fixing, one-way clutch and driven gear are coaxially fixed; The oil-in of hydraulic pump is communicated with fuel tank, oil-out is communicated with distributing valve, and the liquid outlet of distributing valve is communicated with hydraulic caliper, and hydraulic caliper and intermittent brake are fixed and clamped and be matched with brake disc both ends of the surface; Hydraulic pump 29 connects with control system circuit.
Dual fail-safe energy saving oil extraction machine of the present invention, possess intermittent brake and fluid brake dual safety, intermittent brake coordinates special control system, be applicable to the input of dual fail-safe energy saving oil extraction machine, reach slowly regular by intelligent control software, the object of interval release drive rod elastic torque, overcome the drawback that the inertia force that causes because of continuous rotation is excessive, this intelligence control system, no matter under what circumstances, before dual fail-safe energy saving oil extraction machine opens and takes out, first special the intelligence controlling system all will perform release moment of torsion program, thus it is safe and reliable to guarantee that it is braked, fluid brake is the ABS technology of using vehicle, in conjunction with the characteristic of dual fail-safe energy saving oil extraction machine reverse torque, the mechanical brake braking technology of new generation developed, this technology is by control system hydraulic control clamp, reaches the object of regular slow releasing drive rod elastic torque.
Accompanying drawing explanation
Accompanying drawing 1 is the structure chart of dual fail-safe energy saving oil extraction machine of the present invention;
Accompanying drawing 2 ~ 3 is the communtation deceleration device of dual fail-safe energy saving oil extraction machine of the present invention and the matching chart of interval braking motor;
Accompanying drawing 4 is the exploded view of the interval braking motor of dual fail-safe energy saving oil extraction machine of the present invention;
Accompanying drawing 5 is the exploded view of the fluid brake (part) of dual fail-safe energy saving oil extraction machine of the present invention;
Accompanying drawing 6 is the exploded view of the mechanical polish rod seal device of dual fail-safe energy saving oil extraction machine of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing to dual fail-safe energy saving oil extraction machine of the present invention, be described further:
Dual fail-safe energy saving oil extraction machine of the present invention, by control system, communtation deceleration device 2, interval braking motor 3, wellhead assembly 5, fluid brake 6 becomes with dual fail-safe energy saving oil extraction mechanism, wherein communtation deceleration device 2 is rectangle flatwise three grades of reversing speed reducers, with wellhead assembly 5(and production tree bottom it) flange mates and is connected, the power shaft of communtation deceleration device 2 is in transmission connection with interval braking motor 3, one end of the output shaft side of being located thereon of communtation deceleration device 2 is fixed with brake disc 8 and is actively tied in fluid brake 6, the one end be positioned at below it is in transmission connection by the rotor of sucker rod and dual fail-safe energy saving oil extraction machine, control system connects with interval braking motor 3 circuit.
This device drives the power shaft 9 of communtation deceleration device 2 by the interval braking motor 3 be placed in above well head, and the optical-rod clamp 21 fixing by power shaft 9 upper end drives polished rod 22 to rotate, and drives down-hole dual fail-safe energy saving oil extraction machine to realize recovering the oil.
Interval braking motor 3 is made up of motor 16 and the intermittent brake 18 that is fixed on motor 16 rear end cap 17, the motor shaft of motor 16 is fixed with direct-connected gear 19, this direct-connected gear 19 engages with the input gear 12 of communtation deceleration device 2; Communtation deceleration device 2 is three grades of reversing speed reducers, be provided with power shaft 9, jackshaft 10 and output shaft 11 in it, power shaft 9 is coaxially fixed with input gear 12 and bevel gear 13, jackshaft 10 are coaxially fixed with basin tooth 14 and driving gear 15, output shaft 11 are coaxially fixed with output gear 4; Bevel gear 13 engages with basin tooth 14, and driving gear 15 engages with output gear 4.Namely direct-connected gear 19 drives input gear 12, drives coaxial bevel gear 13; Bevel gear 13 drives basin tooth 14, drives coaxial driving gear 15; Driving gear 15 driver output gear 4, drives output shaft 11 to rotate, reaches the object of three grades of communtation decelerations.
The output shaft of above-mentioned communtation deceleration device 2 is hollow shaft, its top is positioned at above communtation deceleration device 2 and is fixed with packing box 20, brake disc 8 and optical-rod clamp 21 successively, insert in output shaft and be fixed with a polished rod 22 by optical-rod clamp 21, one end that polished rod 22 is positioned at below communtation deceleration device 2 is in transmission connection by the rotor of sucker rod and dual fail-safe energy saving oil extraction machine, polished rod 22 rotates, drive sucker rod to drive to dual fail-safe energy saving oil extraction machine, carry out oil producing operation.
Intermittent brake 18 in interval braking motor 3 have employed the principle of electromagnetic brake, its main steel frame 27 is fixed on the rear end cap 17 of motor 16, between rear end cap 17 and main steel frame 27, be provided with travelling gear 23, brake block 24, friction plate 25 and electromagnet 26 successively, travelling gear 23 is coaxially fixed with the motor shaft of motor 16, is engaged with brake block 24 internal gear simultaneously; The friction plate 25 of metal by limited post 28 and main steel frame 27 axially dynamic coordinate and and be provided with spring between main steel frame 27; Electromagnet 26 to be fixed in main steel frame 27 and to connect with control system circuit.When motor 16 runs well, intermittent brake 18 is its power supply by special control system, and the electromagnet 26 of energising is installed in main steel frame 27, and suction friction sheet 25 is separated with brake block 24.Electromagnet 26 power-off when braking, under the effect of one group of spring, friction plate 25 contacts with brake block 24, and now brake block 24 contacts with the rear end cap 17 of motor and friction plate 25 simultaneously, produces to rub and realize braking; This intermittent brake 18 can achieve the braking of regular interval by control system, and namely control system controls the operating current generation cyclically-varying of electromagnet 26, just can produce the braking of regular interval.
Fluid brake 6 is made up of hydraulic pump 29, fuel tank 30, distributing valve 31, driven gear 32, one-way clutch 33 and main support 34, the driven gear 32 engaged with input gear 12 and one-way clutch 33 are all installed in main support 34, and this main support 34 is fixed on the end cap of hydraulic pump 29; The pump shaft of hydraulic pump 29 and the one-way clutch 33 coaxially outer shroud of fixing, one-way clutch 33 and driven gear 32 are coaxially fixed; The oil-in of hydraulic pump 29 is communicated with fuel tank 30, oil-out is communicated with distributing valve 31, and the liquid outlet of distributing valve 31 is communicated with hydraulic caliper 35, and hydraulic caliper 35 and intermittent brake 18 are fixed and clamped and be matched with brake disc 8 both ends of the surface.When communtation deceleration device 2 runs well, its input gear 12 drives the driven gear 32 in fluid brake 6 to rotate, gear driven gear 32 and one-way clutch 33 tight fit, one-way clutch 33 not locking when communtation deceleration device 2 runs well, hydraulic pump 29 does not work, when communtation deceleration device 2 is out of service, under the effect of reverse torque, sucker rod drives when communtation deceleration device 2 reverses, now the input gear 12 of communtation deceleration device 2 drives the driven gear 32 in fluid brake 6 to rotate, driven gear 32 is with hydraulic pump 29 to work by one-way clutch 33, the hydraulic oil supercharging of being discharged by the outlet of fuel tank 30 entered from its oil-in is discharged by control system by hydraulic pump 29, discharging after distributing valve 31 regulates after the high pressure liquid force feed of discharging enters distributing valve 31 drives hydraulic caliper 35 to work, realize braking.
The part that polished rod 22 is arranged in wellhead assembly 5 is provided with mechanical polish rod seal device, and its main casing 36 rotates with polished rod 22 under the effect of polished rod 22 bottom positioning checkpoint, on the top of main casing 36, sealed packing 37 is housed, achieves the relative static seal of 36.In the inside of main casing 36, mechanical seal 38 is housed, the rotating ring of mechanical seal 38 along with main casing 36 together rotate, its fixed ring is fixed on wellhead assembly 5, for guaranteeing the axiality of main casing 36 when rotating, in its lower end, location bearing 39 being housed.
This device is once shut down, occurring Reversion, and the intermittent brake 18 on motor works with fluid brake 6 simultaneously and realizes braking.
Claims (6)
1. dual fail-safe energy saving oil extraction machine, be made up of control system, communtation deceleration device (2), interval braking motor (3), wellhead assembly (5), fluid brake (6) and screw pump, it is characterized in that interval braking motor (3) and the power shaft of communtation deceleration device (2) are in transmission connection, one end of the output shaft of this communtation deceleration device (2) be fixed with brake disc (8) and be actively tied in fluid brake (6), the other end is in transmission connection by the rotor of sucker rod and screw pump; Control system connects with interval braking motor (3) and fluid brake (6) circuit respectively.
2. dual fail-safe energy saving oil extraction machine according to claim 1, it is characterized in that being provided with power shaft (9), jackshaft (10) and output shaft (11) in communtation deceleration device (2), power shaft (9) is coaxially fixed with input gear (12) and bevel gear (13), jackshaft (10) are coaxially fixed with basin tooth (14) and driving gear (15), output shaft (11) are coaxially fixed with output gear (4); Bevel gear (13) engages with basin tooth (14), and driving gear (15) engages with output gear (4).
3. dual fail-safe energy saving oil extraction machine according to claim 1 and 2, it is characterized in that interval braking motor (3) is made up of motor (16) and the intermittent brake (18) that is fixed on motor (16) rear end cap (17), the motor shaft of motor (16) is fixed with direct-connected gear (19), this direct-connected gear (19) engages with the input gear (12) of communtation deceleration device (2).
4. dual fail-safe energy saving oil extraction machine according to claim 1, it is characterized in that the output shaft of communtation deceleration device (2) is hollow shaft, its top is fixed with packing box (20), brake disc (8) and optical-rod clamp (21) successively, insert and pass through optical-rod clamp (21) in this output shaft and be fixed with a polished rod (22), one end that this polished rod (22) is positioned at communtation deceleration device (2) below is in transmission connection by the rotor of sucker rod and screw pump.
5. dual fail-safe energy saving oil extraction machine according to claim 3, it is characterized in that the main steel frame (27) of intermittent brake (18) is fixed on the rear end cap (17) of motor (16), between rear end cap (17) and main steel frame (27), be provided with travelling gear (23), brake block (24), friction plate (25) and electromagnet (26) successively, travelling gear (23) is coaxially fixed with the motor shaft of motor (16), is engaged with brake block (24) internal gear simultaneously; The friction plate (25) of metal by limited post (28) and main steel frame (27) axially dynamic coordinate and and be provided with spring between main steel frame (27); Electromagnet (26) is fixed in main steel frame (27), and motor (16) and electromagnet (26) all connect with control system circuit.
6. dual fail-safe energy saving oil extraction machine according to claim 1, it is characterized in that fluid brake (6) is made up of hydraulic pump (29), fuel tank (30), distributing valve (31), driven gear (32), one-way clutch (33) and main support (34), the driven gear (32) engaged with input gear (12) and one-way clutch (33) are all installed in main support (34), and this main support (34) is fixed on the end cap of hydraulic pump (29); Outer shroud and the driven gear (32) of coaxial fixing, the one-way clutch (33) of the pump shaft of hydraulic pump (29) and one-way clutch (33) are coaxially fixed; The oil-in of hydraulic pump (29) is communicated with fuel tank (30), oil-out is communicated with distributing valve (31), the liquid outlet of distributing valve (31) is communicated with hydraulic caliper (35), and hydraulic caliper (35) and intermittent brake (18) are fixed and clamped and be matched with brake disc (8) both ends of the surface; Hydraulic pump (29) connects with control system circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510820331.4A CN105257260A (en) | 2015-11-24 | 2015-11-24 | Double-insurance energy-saving oil extraction machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510820331.4A CN105257260A (en) | 2015-11-24 | 2015-11-24 | Double-insurance energy-saving oil extraction machine |
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| Publication Number | Publication Date |
|---|---|
| CN105257260A true CN105257260A (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510820331.4A Pending CN105257260A (en) | 2015-11-24 | 2015-11-24 | Double-insurance energy-saving oil extraction machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112032224A (en) * | 2020-08-31 | 2020-12-04 | 青州市春晖科技发展有限公司 | Electric automatic control execution brake device of oil pumping unit |
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| CN205117302U (en) * | 2015-11-24 | 2016-03-30 | 王艳文 | Energy -conserving machine of recovering oil of dual fail -safe |
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2015
- 2015-11-24 CN CN201510820331.4A patent/CN105257260A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2239641C (en) * | 1998-06-05 | 2006-08-15 | Edward Grenke | Continuous running gear pump brake system |
| CN2470585Y (en) * | 2000-12-04 | 2002-01-09 | 大庆油田有限责任公司 | Driving device of mechanical-sealing type screw pump |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112032224A (en) * | 2020-08-31 | 2020-12-04 | 青州市春晖科技发展有限公司 | Electric automatic control execution brake device of oil pumping unit |
| CN112032224B (en) * | 2020-08-31 | 2021-06-15 | 青州市春晖科技发展有限公司 | Electric automatic control execution brake device of oil pumping unit |
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Application publication date: 20160120 |