CN102032157A - Ground driving device of screw pump - Google Patents
Ground driving device of screw pump Download PDFInfo
- Publication number
- CN102032157A CN102032157A CN2010105618445A CN201010561844A CN102032157A CN 102032157 A CN102032157 A CN 102032157A CN 2010105618445 A CN2010105618445 A CN 2010105618445A CN 201010561844 A CN201010561844 A CN 201010561844A CN 102032157 A CN102032157 A CN 102032157A
- Authority
- CN
- China
- Prior art keywords
- gear
- speed reducer
- main shaft
- shaft
- screw pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 239000000314 lubricant Substances 0.000 claims description 14
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 9
- 229920001971 elastomer Polymers 0.000 claims description 7
- 239000000806 elastomer Substances 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract 1
- 238000005461 lubrication Methods 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 4
- 230000002950 deficient Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005987 sulfurization reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
- E21B43/126—Adaptations of down-hole pump systems powered by drives outside the borehole, e.g. by a rotary or oscillating drive
Abstract
The invention discloses a ground driving device of a screw pump, aiming at overcoming the defects caused by belt transmission. The device comprises a motor and a speed reducer, and a box body of the speed reducer is internally provided with a gear shaft, a main shaft, a gear pair, a speed controller and a lubrication pump; an output shaft of the motor is connected with the gear shaft of the speed reducer by a safety coupler, and the torque is transferred by a flat key; and the safety coupler is used for controlling overload torque so as to be beneficial to protecting underground equipment. The speed controller is used for controlling the reverse rotation speed of the screw pump, has the release function and is higher in safety performance. The whole set of device is compact in structure and short in offset distance, thereby reducing the vibration of the ground driving device and protecting a ground casing pipe and the mouth of a well.
Description
Technical field
The present invention relates to a kind of mechanical oil recovery equip ment in the oil recovery field, oil field, specifically the screw pump surface drive.
Background technique
In existing screw-pump oil-extraction equipment, most widely used screw pump power system is to adopt the flame-proof type asynchronous motor through belt transmission, drive the spiral bevel gear of speed reducer, drive down-hole roofbolt rotation, thereby make the surface drive of subsurface progressive cavity work by the speed reducer main shaft.This structure has four big defectives: the one, and the belt transmission mechanical loss is big; The 2nd, there are two belt pulley quality big, expose installation at speed reducer, the potential safety hazard that flies out appears easily; The 3rd, the motor offset or dish is big, has increased the weight of the load of collar piping and well head, and sleeve pipe and well head are damaged; The 4th, anti-reverse mechanism exposes, and is subjected to external environmental interference easily, loses efficacy.Be easy to generate spark when click contacts in addition, can not use, limited application at high-gas-contained well.
Summary of the invention
The purpose of this invention is to provide a kind of screw pump surface drive, this device has overcome above-mentioned the deficiencies in the prior art, has realized electric-machine directly-driven, has overcome the bel-drivenn defective, goes back the anti-reverse speed of may command screw pump in addition, and Safety performance improves.
Technical solution of the present invention realizes in the following manner: a kind of screw pump surface drive, this device comprises motor and speed reducer, be provided with gear shaft, main shaft, gear pair, speed controller and lubricant pump in the casing of described speed reducer, wherein gear shaft is by up and down two tapered roller bearings and end cap and speed reducer box cover location and installation, and main shaft passes through main shaft end cap and A roller bearing, B roller bearing and speed reducer box cover location and installation; Gear shaft and main shaft are logical
Cross gear pair and carry out transmission, gear pair comprises small gear and gearwheel, and gearwheel is installed on the main shaft by the B flat key; Below small gear, speed controller is installed on the gear shaft by the C flat key; Described lubricant pump is fixed on the speed reducer bottom; Motor is fastened on by carrier setting bolt on the box cover of speed reducer, and the output shaft of motor is connected by safety coupling with the gear shaft of speed reducer, by A flat key transmitting torque.
Described speed controller is made up of stationary platen, overrunning clutch, support, bearing pin, brake shoe, circlip for shaft, strut, pressure spring, set screw nut.
Being provided with a pair of gear pair in the described lubricant pump, is respectively driving gear and driven gear, driven gear is installed on the main shaft, gearwheel below, installed thrust selfaligning roller bearing below the driven gear.
Described safety coupling is the ball type torque limiter, built-in accurate roll structure, subsidiary Highly-absorbing rubber elastomer.
Preferably the proximity switch is being installed on the motor bearing.
The present invention has following beneficial effect: this device adopts and directly drives mode, compact structure, and offset or dish is little, has reduced the vibration of surface drive, has protected collar piping and well head; It is little that this device exposes the revolving part volume, avoided the high speed rotating owing to belt pulley, and the potential safety hazard that flies out easily and hurt sb.'s feelings; Safety coupling control overload moment of torsion has advantageously been protected underground equipment.Device has adopted the speed reversal of VELOCITY CONTROLLER WITH EXCELLENT PERFORMANCE control screw pump in addition, has from release function, and Safety performance is higher.
Description of drawings
Fig. 1: the structural representation of package unit of the present invention.
Fig. 2: the structural representation of speed reducer.
Fig. 3: the plan view of speed controller.
Fig. 4: the plan view of speed controller.
Among the figure: motor-1, speed reducer-2, bearing-3, coupling-4, A flat key-5, proximity switch-6, gear shaft-10, tapered roller bearing-11, end cap-12, main shaft-20, main shaft end cap-21, A roller bearing-22, B roller bearing-23, breather-24, suspension ring-25, gear pair-30, small gear-31, gearwheel-32, B flat key-33, C flat key-34, speed controller-40, stationary platen-41, overrunning clutch-42, support-43, bearing pin-44, brake shoe-45, circlip for shaft-46, strut-47, pressure spring-48, set screw nut-49, lubricant pump-50, driving gear-51, driven gear-52, selfaligning roller bearing-53, blowout preventer-60, sealing fuse-61, mechanical seal assembly-70.
Embodiment
The present invention is further illustrated below in conjunction with accompanying drawing:
By among the figure shown in 1, screw pump surface drive of the present invention, comprise motor 1 and speed reducer 2, described motor 1 is the flame-proof type threephase asynchronous, require the support band footing of motor, flange is arranged on the end cap, and motor 1 is fastened on the box cover of speed reducer 2 by bearing 3 bolts.
By shown in Figure 2, be provided with gear shaft 10, main shaft 20, gear pair 30, speed controller 40, lubricant pump 50 in the casing of speed reducer 2, wherein gear shaft 10 is a high speed shaft, main shaft 20 is a lower velocity shaft, and main shaft 20 is a hollow shaft, and the hollow shaft interpolation is gone into polished rod, realizes the function of drive screw pump; Gear shaft 10 is by two tapered roller bearings 11 and end cap 12 and deceleration box cover plate location and installation up and down, and main shaft 20 is by main shaft end cap 21 and A roller bearing 22, B roller bearing 23 and deceleration box cover plate location and installation.
Carry out transmission by gear pair 30 between gear shaft 10 and the main shaft 20, promptly gear pair 30 reduces the rotating speed of motor 1, makes main shaft 20 reach the needed rotating speed of drive screw pump.Gear pair 30 comprises small gear 31 and gearwheel 32, and gearwheel 32 is installed on the main shaft 20 by B flat key 33; Below small gear 31, speed controller 40 is installed on the gear shaft 10 by C flat key 34.
In conjunction with shown in Figure 4, speed controller 40 is made up of stationary platen 41, overrunning clutch 42, support 43, bearing pin 44, brake shoe 45, circlip for shaft 46, strut 47, pressure spring 48, set screw nut 49 by Fig. 3.
Described speed reducer lubricant pump 50 is fixed on the speed reducer bottom, for rotating part provides lubricant oil, be provided with a pair of gear pair in the lubricant pump 50, be respectively driving gear 51 and driven gear 52, driven gear 52 is installed on the main shaft 20, gearwheel 32 below, installed thrust selfaligning roller bearings 53 below the driven gear 52.
Also be provided with breather 24 and suspension ring 25 in addition on the box cover of speed reducer 2, cover plate passes through the straight pin location and installation on deceleration box.
The output shaft of motor 1 is connected by safety coupling 4 with reducer gear axle 10, and by A flat key 5 transmitting torques.Safety coupling 4 is the ball type torque limiter, and built-in accurate roll structure can make the output shaft and gear shaft 10 transmissions disengagement of motor 1 in overload moment.Safety coupling 4 subsidiary Highly-absorbing rubber elastomers can absorb the deviation and the operating vibrations that produce in the installation process.Proximity switch 6 is installed on the motor bearing 3, can capture overload signal in safety coupling 4 overload moment, and output 24V dc signal, by supporting control system, but moment close motor 1.After eliminating overload, can apply slight pressure to reseting disk, just can mesh again by lever or hammer.
When this screw pump surface drive is installed at the scene, support deceleration box and motor 1 by blowout preventer 60.Blowout preventer 60 is furnished with can hold formula sealing fuse 61, and sealing fuse 61 adopts rubber to make by injection moulding and the bonding technological method of sulfuration.Sealing fuse 61 has the function of holding, and can hold polished rod, is convenient to servicing machine seal assembly 70.
During this driving unit on screw pump work, main shaft 20 rotations, the lubricated driven gear 52 that is fixed on the main shaft 20 rotates together, drive lubricated driving gear 51 rotations on the miniature lubricant pump 50, miniature lubricant pump 50 work, by transport pipe, for gear shaft 10 upper end tapered roller bearings 11 provide lubricated cooling.For preventing that miniature lubricant pump 50 oil circuits from blocking, should install the oil purifier of 100～180um at filler opening, its filter capacity should be not less than three times of pump duty, is recommended in the oil purifier of oil-drain pipe oil port installation precision 30～50um simultaneously, to guarantee the turbidity test of fluid.
When speed controller 40 was just changeing at main shaft 20, under overrunning clutch 42 effects, brake shoe 45 was not worked; When main shaft 20 counter-rotatings, brake shoe 45 work.Under action of centrifugal force, brake shoe 45 contacts with deceleration box, produces frictional force, by control gear axle 10, and then the rotating speed of control main shaft 20, realize control to underwell pump counter-rotating rotating speed.Also can pass through the decrement that set screw nut 49 is regulated pressure springs 48, and then the centrifugal force and the position of control brake shoe 45.And can be by regulating pressure spring 48, the positive pressure of 45 pairs of deceleration box of control brake shoe, thereby the size of control frictional force.
Claims (5)
1. screw pump surface drive, this device comprises motor (1) and speed reducer (2), it is characterized in that: described subtracting
Be provided with gear shaft (10), main shaft (20), gear pair (30), speed controller (40) and lubricant pump (50) in the casing of speed machine (2), wherein gear shaft (10) passes through two tapered roller bearings (11) and end cap (12) and speed reducer box cover location and installation up and down, and main shaft (20) is by main shaft end cap (21) and A roller bearing (22), B roller bearing (23) and speed reducer box cover location and installation; Carry out transmission by gear pair (30) between gear shaft (10) and the main shaft (20), gear pair (30) comprises small gear (31) and gearwheel (32), and gearwheel (32) is installed on the main shaft (20) by B flat key (33); Below in small gear (31), speed controller (40) is installed on the gear shaft (10) by C flat key (34); Lubricant pump (50) is fixed on the speed reducer bottom; Motor (1) is fastened on the box cover of speed reducer (2) by bearing (3) bolt, and the axle of motor (1) is connected by safety coupling (4) with the gear shaft (10) of speed reducer, by A flat key (5) transmitting torque.
2. according to the described driving unit on screw pump of claim 1, it is characterized in that: described speed controller (40) comprises stationary platen (41), overrunning clutch (42), support (43), bearing pin (44), brake shoe (45), axle elasticity (46), strut (47), pressure spring (48), set screw nut (49).
3. according to claim 1 or 2 described driving unit on screw pump, it is characterized in that: lubricant pump is provided with a pair of tooth in (50)
Wheel set is respectively driving gear (51) and driven gear (52), driven gear (52) is installed in that main shaft (20) is gone up, gearwheel (32) below, installed thrust selfaligning roller bearing (53) below the driven gear (52).
4. according to the described driving unit on screw pump of claim 1, it is characterized in that: described safety coupling (4) is the ball type torque limiter, built-in accurate roll structure, subsidiary Highly-absorbing rubber elastomer.
5. according to the described driving unit on screw pump of claim 1, it is characterized in that: proximity switch (6) also is installed on motor bearing (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105618445A CN102032157A (en) | 2010-11-29 | 2010-11-29 | Ground driving device of screw pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105618445A CN102032157A (en) | 2010-11-29 | 2010-11-29 | Ground driving device of screw pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102032157A true CN102032157A (en) | 2011-04-27 |
Family
ID=43885474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105618445A Pending CN102032157A (en) | 2010-11-29 | 2010-11-29 | Ground driving device of screw pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102032157A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103021475A (en) * | 2012-12-19 | 2013-04-03 | 哈尔滨工业大学 | Top-pulling linear micro driving mechanism for rotary motion |
| CN105041679A (en) * | 2015-09-08 | 2015-11-11 | 盛瑞传动股份有限公司 | Test bed for water pump |
| CN106837795A (en) * | 2017-03-30 | 2017-06-13 | 张文川 | It is anti-reverse to be automatically separated the straight drive system of oil-extracting screw pump |
| CN108404803A (en) * | 2018-05-31 | 2018-08-17 | 山东华鹏精机股份有限公司 | Kneading machine with decelerating motor safety guard |
| CN110145464A (en) * | 2019-05-22 | 2019-08-20 | 胜利油田高原石油装备有限责任公司 | The screw pump ground driving device of the synchronous input torque of double motor |
| WO2021068236A1 (en) * | 2019-10-12 | 2021-04-15 | 侍东 | Vibration-absorbing shield torque limiting clutch |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2123137C1 (en) * | 1996-09-06 | 1998-12-10 | Уфимский государственный нефтяной технический университет | Well pumping unit |
| RU2253753C1 (en) * | 2003-10-02 | 2005-06-10 | Брот Александр Робертович | Surface drive of submersible screw pump |
| CN200964937Y (en) * | 2006-10-25 | 2007-10-24 | 天津减速机股份有限公司 | Screw pump driving device for oil well |
| CN201025257Y (en) * | 2007-02-01 | 2008-02-20 | 沈阳赛沃科技发展有限公司 | Fully automatic hydraulic pressure and reverse rotation prevention device |
| CN201246297Y (en) * | 2008-08-04 | 2009-05-27 | 大庆油田力神泵业有限公司 | Hydraulic reverse turning-proof screw pump drive device |
| CN201650689U (en) * | 2010-03-30 | 2010-11-24 | 江苏中兴药业有限公司 | Peristaltic pump |
-
2010
- 2010-11-29 CN CN2010105618445A patent/CN102032157A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2123137C1 (en) * | 1996-09-06 | 1998-12-10 | Уфимский государственный нефтяной технический университет | Well pumping unit |
| RU2253753C1 (en) * | 2003-10-02 | 2005-06-10 | Брот Александр Робертович | Surface drive of submersible screw pump |
| CN200964937Y (en) * | 2006-10-25 | 2007-10-24 | 天津减速机股份有限公司 | Screw pump driving device for oil well |
| CN201025257Y (en) * | 2007-02-01 | 2008-02-20 | 沈阳赛沃科技发展有限公司 | Fully automatic hydraulic pressure and reverse rotation prevention device |
| CN201246297Y (en) * | 2008-08-04 | 2009-05-27 | 大庆油田力神泵业有限公司 | Hydraulic reverse turning-proof screw pump drive device |
| CN201650689U (en) * | 2010-03-30 | 2010-11-24 | 江苏中兴药业有限公司 | Peristaltic pump |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103021475A (en) * | 2012-12-19 | 2013-04-03 | 哈尔滨工业大学 | Top-pulling linear micro driving mechanism for rotary motion |
| CN103021475B (en) * | 2012-12-19 | 2015-02-04 | 哈尔滨工业大学 | Top-pulling linear micro driving mechanism for rotary motion |
| CN105041679A (en) * | 2015-09-08 | 2015-11-11 | 盛瑞传动股份有限公司 | Test bed for water pump |
| CN106837795A (en) * | 2017-03-30 | 2017-06-13 | 张文川 | It is anti-reverse to be automatically separated the straight drive system of oil-extracting screw pump |
| CN108404803A (en) * | 2018-05-31 | 2018-08-17 | 山东华鹏精机股份有限公司 | Kneading machine with decelerating motor safety guard |
| CN110145464A (en) * | 2019-05-22 | 2019-08-20 | 胜利油田高原石油装备有限责任公司 | The screw pump ground driving device of the synchronous input torque of double motor |
| WO2021068236A1 (en) * | 2019-10-12 | 2021-04-15 | 侍东 | Vibration-absorbing shield torque limiting clutch |
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| PB01 | Publication | ||
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Application publication date: 20110427 |