CN201246297Y - Hydraulic reverse turning-proof screw pump drive device - Google Patents
Hydraulic reverse turning-proof screw pump drive device Download PDFInfo
- Publication number
- CN201246297Y CN201246297Y CNU2008201320416U CN200820132041U CN201246297Y CN 201246297 Y CN201246297 Y CN 201246297Y CN U2008201320416 U CNU2008201320416 U CN U2008201320416U CN 200820132041 U CN200820132041 U CN 200820132041U CN 201246297 Y CN201246297 Y CN 201246297Y
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- China
- Prior art keywords
- screw pump
- dunnage
- hydraulic
- fluid tank
- hydraulic fluid
- 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.)
- Expired - Fee Related
Links
- 230000007704 transition Effects 0.000 claims abstract description 26
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 238000012856 packing Methods 0.000 claims abstract description 8
- 239000012530 fluid Substances 0.000 claims description 29
- 238000004880 explosion Methods 0.000 claims description 9
- 210000004907 gland Anatomy 0.000 claims description 7
- 239000010720 hydraulic oil Substances 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 238000000605 extraction Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000005381 potential energy Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Sealing Devices (AREA)
Abstract
The utility model relates to a hydraulic anti-reversion screw pump driving device, which mainly solves the problems existing in the screw pump oil extraction driving device in the prior art of low transmission efficiency of the driving force and poor security during the braking process. The device is characterized in that a motor is vertically installed on a motor base plate, the main shaft of the motor is parallel with a sucker rod, the power is transmitted to the hollow spindle of a hydraulic tank through a synchronous toothed belt, the hollow spindle is connected with a polished rod through a square clip, the power is transmitted to a downhole pump, a supporting seat at the lower part of the driving device is connected with a well top through a blowout preventer, a transition seat is connected at the upper part of the supporting seat, a packing sealing device is arranged in the transition seat, the polished rod is sealed directly, the hydraulic tank is installed on the transition seat, the hydraulic tank mainly comprises a spindle and a hydraulic system, a brake cylinder is installed on the hydraulic tank, and a brake disc is arranged on the spindle. The driving device enables the transmission efficiency of the driving force of the screw pump to be greatly improved, does not need manual operation during the braking process, and enhances the braking safety.
Description
Technical field:
The utility model relates to a kind of oil production equipment in the oil field machinery oil field, specifically, relates to the driving unit on screw pump in a kind of screw pump oil production field.
Background technique:
At present, domestic screw pump oil production drive unit mainly is to adopt the horizontally-mounted form of motor, and with V band and gear-box gearing down power, the storage of potential energy by click apparatus restriction and release down-hole sucker rod prevents the sucker rod high speed reverse rotation.This drive unit is by long practical application, find that there are the following problems: because in this drive unit, slow down through the V band, adopt the umbrella gear group to change the direction of transfer of power then, need be through the loss in efficiency of two groups of transmission of power, the efficient of final power transmission is about 88%～93%, that is to say, has at least 7% driving force to lose.In addition; in Progressing Cavity Pump Oil Production; elongated sucker rod has stored a large amount of torsional-energies in the transferring power process; when shutting down with this drive unit; the potential energy abrupt release that stores; order about drive unit and oppositely run up, very easily cause the damage of drive unit or human injury takes place or make sucker rod connecting thread back-off get loose, crash into the down-hole, cause the oil well accident to stop production.And; the click anti-reverse mechanism that adopts on this drive unit; when drive unit is shut down; the pressure sucker rod shuts down; need the operator constantly to adjust click apparatus; the potential energy that discharge to store, whole releasing course personnel will keep at the scene, expend time in and have sizable potential safety hazard.That summarizes says, there is driving force transmission efficiency shortcoming not high, poor stability when braking in this screw pump oil production drive unit of the prior art.
The model utility content:
There is driving force transmission efficiency problem not high, poor stability when braking in order to solve screw pump oil production drive unit of the prior art, the utility model provides a kind of hydraulic pressure anti-reverse driving unit on screw pump, this kind device is with the vertical placement of motor and adopt the synchronous cog belt transferring power, do not change the direction of transfer of power, make the driving force transmission efficiency improve greatly.And, comprise a cover hydraulic system in the whole drive unit, when drive unit is shut down, carry out the automatic release of sucker rod torsional-energy, need not artificial participation, eliminated potential safety hazard.
The technical solution of the utility model is: the anti-reverse driving unit on screw pump of this kind hydraulic pressure, comprise anti-explosion motor, have hydraulic fluid tank, supporting base and the inner transition seat that has the packing_seal device of vertical hollow spindle, the brake block that comprises driving pulley and driven pulley and motor seat board, left dunnage, right dunnage in addition and is connected bearing pin, adjustment arm and brake cylinder, cooperates with brake cylinder.Wherein, anti-explosion motor is by being bolted on the motor seat board, its electric machine main shaft is connected with driving pulley, motor seat board is connected with left dunnage by connecting bearing pin, left side dunnage and right dunnage and transition seat are welded as a whole, adjust arm and connect motor seat board and left dunnage, the hollow spindle that driven pulley is drawn by flat key and hydraulic fluid tank is fixed, brake block is also by flat key and hydraulic fluid tank) hollow spindle of drawing fixes and is connected, brake cylinder is fixedly connected on the case lid of hydraulic fluid tank, is connected with gear pump in the hydraulic fluid tank by hydraulic oil pipe.Described hydraulic fluid tank is fixed in the top of transition seat, connect by bolt between the two, in the sealed letter body on the transition seat sliding bearing, copper packing, stuffing box packing, pressure ring are installed from the bottom to top, sealing gland is installed in letter body top, and the lip circle is installed in the sealing gland.Described transition seat bottom connects supporting base.All there is the passage that passes through for the screw pump polished rod above-mentioned hydraulic fluid tank, transition seat and supporting base inside, pass supporting base, transition seat successively in order to polished rod, are connected with hollow spindle in the hydraulic fluid tank by side's card.
The utlity model has following beneficial effect: owing to take such scheme, drive unit is with the vertical placement of motor and adopt the synchronous cog belt transferring power, do not change the direction of transfer of power, making that the transmission efficiency of driving force is minimum can reach about 95%, according to drive unit of the prior art, the transmission efficiency of driving force is largely increased.In addition, the seal arrangement in the transition seat takes filler directly to seal the form of polished rod, has reduced the pollution to surrounding environment.And, in this novel driving device, adopt anti-reverse hydraulic braking, make the storage of potential energy of drive unit down-hole sucker rod when shutting down slowly discharge automatically, need not artificial participation, improved aboveground operating efficiency and Security.
Description of drawings:
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structure sectional view of hydraulic fluid tank inside in the utility model.
1-supporting base among the figure, 2-transition seat, 10-hydraulic fluid tank, the 11-hollow spindle, 12-brake block, 13-brake cylinder, 14-driven pulley, 15-belt pulley guard shield, 16-driving pulley, 17-left dunnage, 18-motor seat board, 19-right dunnage, 20-adjustment arm, 21-anti-explosion motor, 22-stuffing box gland, 23-driven gear supporting plate, 24-driven gear, 25-free wheel device, 26-gear pump, 27-case lid, 28-air filter, 29-relief valve, 30-driving gear, 31-pump coupling, 32-connection bearing pin, 33-pump fixed plate.
Embodiment:
The utility model is described in further detail below in conjunction with accompanying drawing:
By shown in Figure 1, the anti-reverse driving unit on screw pump of this kind hydraulic pressure, comprise anti-explosion motor 21, have hydraulic fluid tank 10, supporting base 1 and the inner transition seat 2 that has the packing_seal device of vertical hollow spindle 11, in addition, described device also comprises driving pulley 16 and driven pulley 14 and motor seat board 18, left dunnage 17, right dunnage 19 and the brake block 12 that is connected bearing pin 32, adjustment arm 20 and brake cylinder 13, cooperates with brake cylinder 13.Wherein, anti-explosion motor 21 is by being bolted on the motor seat board 18, its electric machine main shaft is connected with driving pulley 16, motor seat board 18 is connected with left dunnage 17 by connecting bearing pin 32, left side dunnage 17 and right dunnage 19 are welded as a whole with transition seat 2, adjust arm 20 and connect motor seat board 18 and left dunnage 17, because it is adjustable to adjust arm lengths, can make motor seat board 18 around connecting bearing pin 32 rotations by regulating the length of adjusting arm, thereby adjust the distance between hollow spindle 11 and the electric machine main shaft, and then adjust the centre distance of driven pulley 14 and driving pulley 16.The hollow spindle 11 that driven pulley 14 is drawn by flat key and hydraulic fluid tank 10 is fixing, the hollow spindle 11 that brake block 12 is also drawn by flat key and hydraulic fluid tank 10 fixes and is connected, brake cylinder 13 is fixedly connected on the case lid 27 of hydraulic fluid tank 10, is connected by the gear pump 26 in hydraulic oil pipe and the hydraulic fluid tank 10.Described hydraulic fluid tank 10 is fixed in the top of transition seat 2, connect by bolt between the two, in the sealed letter body on the transition seat 2 sliding bearing, copper packing, stuffing box packing, pressure ring are installed from the bottom to top, sealing gland is installed in letter body top, and the lip circle is installed in the sealing gland.Described transition seat 2 bottoms connect supporting base 1.All there is the passage that passes through for the screw pump polished rod above-mentioned hydraulic fluid tank, transition seat and supporting base inside, pass supporting base, transition seat successively in order to polished rod, are connected with hollow spindle in the hydraulic fluid tank by side's card.In addition, can also be welded with a belt pulley guard shield 15 by square steel on described left dunnage 17 and right dunnage 19, driving pulley 16 and driven pulley 14 all are positioned at the inside of this guard shield, and this guard shield mainly plays a protective action.And be filtered air, guarantee that the cleanliness of hydraulic oil degree also can be equipped with an air filter 28 on described case lid 27.In addition, form positive seal for making polished rod, the auxiliary packing sealing strengthens sealing effect, can be processed with trapezoidal thread on the inwall of described supporting base 1 endoporus, and these follow-up several improvement all are to carry out on the basis of basic scheme certainly.
The internal structure sectional view of hydraulic fluid tank 10 as shown in Figure 2, hollow spindle 11 passes whole hydraulic fluid tank 10 cores, pump fixed plate 33 and driven gear supporting plate 23 are fixed on the inwall of hydraulic fluid tank 10, gear pump 26 is fixed on the pump fixed plate 33, be connected with free wheel device 25 by pump coupling 31, free wheel device 25 is installed in driven gear 24 inside.
During use, anti-explosion motor 21 is vertical to be installed on the motor seat board of this drive unit, and electric machine main shaft is parallel with sucker rod.Drive unit lower support seat is connected with well head by blowout preventer, and supporting base top connects the transition seat, is the packing_seal device in the transition seat, directly polished rod is sealed.
During this drive unit proper functioning, the screw pump polished rod passes supporting base, transition seat, be connected with hollow spindle 11 in the hydraulic fluid tank by side card, the band transmission that anti-explosion motor 21 forms by driving pulley and driven pulley drives hollow spindle 11 and rotates, the driving gear 30 that hollow spindle 11 drives in the hydraulic fluid tank 10 rotates, and drives driven gear 24 then and rotates.At this moment, the free wheel device 25 of driven gear 24 inside is in out from state, and gear pump 26 does not participate in rotating, and hydraulic system is not worked, and only drives the rotation of screw pump polished rod by hollow spindle 11 and finishes oil producing operation.When drive unit was shut down, counterrotating took place in hollow spindle 11, drives driving gear 30 counterrotatings, and at this moment, the free wheel device 25 of driven gear 24 inside is in closed state, 26 work of driven gear pump.Gear pump 26 is pressed relief valve 29 predefined force value voltage supply, pressure oil is given brake cylinder 13 fuel feeding on the case lid 27 by hydraulic oil pipe, brake cylinder 13 is started working, brake block 12 is held tightly friction, reason owing to braking moment, hollow spindle 11 stops operating, and the rotating speed of gear pump 26 also is zero simultaneously.By the effect of spring, brake cylinder 13 unclamps, and stops braking.This moment, hollow spindle 11 began again to rotate, and driven gear pump 26 is braked again, and and so forth, until as hollow spindle 11 rotating speeds of live axle during greatly about 30rpm, owing to reasons such as gear pump 26 leakages, system is fuel feeding not substantially, so slow machine halt.
Owing to take such scheme, drive unit need not change the transmission of power direction, and transmission efficiency reaches about 95%; Seal arrangement takes filler directly to seal the form of polished rod, has improved sealing effect, provides cost savings; The anti-reverse system of hydraulic braking makes the storage of potential energy of drive unit down-hole sucker rod when shutting down slowly discharge automatically; need not artificial participation; overcome screw pump oil production drive unit of the prior art and had driving force transmission efficiency shortcoming not high, poor stability when braking, improved aboveground efficiency of operation and Security.
Claims (4)
1, the anti-reverse driving unit on screw pump of a kind of hydraulic pressure comprises anti-explosion motor (21), has hydraulic fluid tank (10), supporting base (1) and the inner transition seat (2) that has the packing_seal device of vertical hollow spindle (11), it is characterized in that:
Described device also comprises driving pulley (16) and driven pulley (14) and motor seat board (18), left side dunnage (17), right dunnage (19) be connected bearing pin (32), adjust arm (20) and brake cylinder (13), the brake block (12) that cooperates with brake cylinder (13), wherein, anti-explosion motor (21) is by being bolted on the motor seat board (18), its electric machine main shaft is connected with driving pulley (16), motor seat board (18) is connected with left dunnage (17) by connecting bearing pin (32), left side dunnage (17) and right dunnage (19) are welded as a whole with transition seat (2), adjust arm (20) and connect motor seat board (18) and left dunnage (17), the hollow spindle (11) that driven pulley (14) is drawn by flat key and hydraulic fluid tank (10) is fixing, the hollow spindle (11) that brake block (12) is also drawn by flat key and hydraulic fluid tank (10) fixes and is connected, brake cylinder (13) is fixedly connected on the case lid (27) of hydraulic fluid tank (10), and the gear pump (26) interior by hydraulic oil pipe and hydraulic fluid tank (10) is connected;
Described hydraulic fluid tank (10) is fixed in the top of transition seat (2), connect by bolt between the two, in the sealed letter body on the transition seat (2) sliding bearing, copper packing, stuffing box packing, pressure ring are installed from the bottom to top, sealing gland is installed in letter body top, and the lip circle is installed in the sealing gland;
Described transition seat (2) bottom connects supporting base (1).
2, the anti-reverse driving unit on screw pump of hydraulic pressure according to claim 1, it is characterized in that: upward be welded with a belt pulley guard shield (15) by square steel in described left dunnage (17) and right dunnage (19), driving pulley (16) and driven pulley (14) all are positioned at the inside of this guard shield.
3, the anti-reverse driving unit on screw pump of hydraulic pressure according to claim 1 and 2 is characterized in that: an air filter (28) is installed on described case lid (27).
4, the anti-reverse driving unit on screw pump of hydraulic pressure according to claim 3 is characterized in that: be processed with trapezoidal thread on the inwall of described supporting base (1) endoporus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201320416U CN201246297Y (en) | 2008-08-04 | 2008-08-04 | Hydraulic reverse turning-proof screw pump drive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201320416U CN201246297Y (en) | 2008-08-04 | 2008-08-04 | Hydraulic reverse turning-proof screw pump drive device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201246297Y true CN201246297Y (en) | 2009-05-27 |
Family
ID=40730119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201320416U Expired - Fee Related CN201246297Y (en) | 2008-08-04 | 2008-08-04 | Hydraulic reverse turning-proof screw pump drive device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201246297Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032157A (en) * | 2010-11-29 | 2011-04-27 | 大庆石油管理局 | Ground driving device of screw pump |
| CN106481553A (en) * | 2016-11-11 | 2017-03-08 | 温州大学 | A kind of damping brake structure of external gear rotary pump |
| CN106681120A (en) * | 2015-11-09 | 2017-05-17 | 佳能株式会社 | Driving force transmission apparatus and image forming apparatus |
| CN108457855A (en) * | 2018-05-30 | 2018-08-28 | 山东捷科采油设备有限公司 | A kind of gravity hydraulic brake type screw pump ground driving device |
-
2008
- 2008-08-04 CN CNU2008201320416U patent/CN201246297Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032157A (en) * | 2010-11-29 | 2011-04-27 | 大庆石油管理局 | Ground driving device of screw pump |
| CN106681120A (en) * | 2015-11-09 | 2017-05-17 | 佳能株式会社 | Driving force transmission apparatus and image forming apparatus |
| CN106481553A (en) * | 2016-11-11 | 2017-03-08 | 温州大学 | A kind of damping brake structure of external gear rotary pump |
| CN108457855A (en) * | 2018-05-30 | 2018-08-28 | 山东捷科采油设备有限公司 | A kind of gravity hydraulic brake type screw pump ground driving device |
| CN108457855B (en) * | 2018-05-30 | 2023-07-21 | 山东捷科采油设备有限公司 | Gravity hydraulic braking type screw pump ground driving device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090527 Termination date: 20170804 |
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| CF01 | Termination of patent right due to non-payment of annual fee |