CN1456786A - Oil sucking drive - Google Patents
Oil sucking drive Download PDFInfo
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- CN1456786A CN1456786A CN 03136642 CN03136642A CN1456786A CN 1456786 A CN1456786 A CN 1456786A CN 03136642 CN03136642 CN 03136642 CN 03136642 A CN03136642 A CN 03136642A CN 1456786 A CN1456786 A CN 1456786A
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- end cap
- fixed pulley
- fixed
- oil sucking
- stator
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Abstract
A driver of pmping unit is composed of machine frame, electric motor which is a 3-phase permanent-magnet synchronous motor with external rotor, cable and sucker rod. Said motor is composed of rotor, stator and leading wires. Said stator consists of axle barrel, iron core and windings. Said rotor comprises left and right end covers, iron core, permanent magnets and pole shoes. Said cable is connected between sucker rod and external surface of iron core of external rotor via pulley. Its advantages are simple structure, high efficiency, excellent performance, low energy consumption and low cost.
Description
Technical field
The present invention relates to a kind of Oil sucking drive that is used for pumpingh well.
Background technology
Oil sucking drive of the prior art is the beam type oil rig, and this beam type oil rig comprises: motor, gearbox, the belt drive unit of connection motor and gearbox, crank, support, connecting rod, walking beam, structures such as horse head, the motor rotation is by crank, connecting rod, walking beam, horse head does to rise and descend reciprocating motion with the sucker rod system that drive reaches one, two kms, further drives oil well pump oil is released.This Oil sucking drive exists weight big, the energy consumption height, performance is simple, operate heavy, problem such as efficient is low.
Summary of the invention
The purpose of this invention is to provide a kind of simple in structure, the efficient height, excellent performance, energy consumption is little, the Oil sucking drive that cost is low.
For achieving the above object, the present invention takes following design scheme: a kind of Oil sucking drive, and it comprises: motor, for the fixing frame of described motor, cable wire and sucker rod is characterized in that:
Described motor is the outer rotor three-phase permanent-magnetic synchronous motors, it comprises stator, rotor and lead-in wire, described stator is by the stator beam barrel, be coated at the stator core on the described stator beam barrel, form with the winding that is arranged on the described stator core circumference, described rotor is by left end cap, right end cap is fixed on the outer rotor iron core between described left end cap and the right end cap, and the permanent magnetic steel and the pole shoe that are fixed on described outer rotor iron core inboard are formed, described left end cap is connected with described stator beam barrel by bearing respectively with right end cap, described stator is positioned at described internal rotor, and described stator beam barrel is provided with a through hole, and described lead-in wire passes described through hole and is connected with described winding;
Described frame right-hand member is fixed with a right fixed pulley with gathering sill, described cable wire one end is connected the top of described sucker rod, the described cable wire other end is walked around described right fixed pulley gathering sill and is fixed on the external surface of described outer rotor iron core, also is provided with bascule on the described motor.
Described bascule comprises that a counterbalance, is fixed on the left fixed pulley with gathering sill and the cable wire that is connected with described counterbalance of described frame left end, the other end of described cable wire is walked around described left fixed pulley gathering sill and is fixed on the external surface of described outer rotor iron core, and described counterbalance is a weight block or one second pumpingh well sucker rod.
Described left end cap left side and described right end cap right side have a left groove and a right groove respectively, described bascule comprises the some arc spring laminations that are arranged at respectively in described left groove and the right groove, one end of described left groove inner shrapnel is fixedlyed connected with described left end cap inner surface, the other end is fixedlyed connected with the external surface of described stator beam barrel, one end of described right end cap inner shrapnel is fixedlyed connected with described right end cap inner surface, and the other end is fixedlyed connected with the external surface of described stator beam barrel.
Described left end cap and right end cap external diameter are greater than the external diameter of described outer rotor iron core.
Described bearing is for disperseing bearing.
Described left fixed pulley and right fixed pulley are positioned at described motor below.
Described left fixed pulley and right fixed pulley are positioned at described motor top.
It also comprises left movable pulley with gathering sill that is connected with described counterbalance and the right movable pulley with gathering sill that is connected with described sucker rod, one end of described cable wire is walked around the gathering sill of described left fixed pulley and left movable pulley and is fixed in the opposite side of described left fixed pulley, and the other end of described cable wire is walked around the gathering sill of described right fixed pulley and right movable pulley and is fixed in the opposite side of described right fixed pulley.
Advantage of the present invention is:
1, Oil sucking drive of the present invention, owing to adopt the outer rotor three-phase permanent-magnetic synchronous motors, cable wire one end connects the top of sucker rod, and the cable wire other end is fixed on the external surface of outer rotor iron core, also be provided with bascule on the motor, bascule can reduce the requirement to motor-output.Oil sucking drive of the present invention is given the power supply of the winding on the stator iron core by power supply by lead-in wire in use, makes rotor rotation, thereby makes cable wire promote or transfer sucker rod.Need not resemble cumbersome operation the prior art, this shows that Oil sucking drive of the present invention is simple in structure, excellent performance, reduce drive mechanism complicated in the prior art Oil sucking drive, thereby reach the efficient height, the low advantage of little cost that consumes energy can be used for promoting or transferring sucker rod easily.
2, one end of the cable wire among the present invention connects a sucker rod, and the other end connects one second pumpingh well sucker rod, and the sucker rod and second pumpingh well sucker rod counterbalance each other can greatly improve pumping efficiency like this, cuts down the consumption of energy.
Description of drawings
Fig. 1 is an Oil sucking drive structural representation of the present invention
Fig. 2 is electric motor structure schematic diagram among the present invention
Fig. 3 is the A-A cross-sectional schematic of Fig. 2
Fig. 4 is the schematic top plan view of Fig. 2
Fig. 5 is another embodiment of the present invention structural representation
Fig. 6 is yet another embodiment of the invention structural representation
Fig. 7 is further embodiment of this invention structural representation
Fig. 8 is yet another embodiment of the invention structural representation
The specific embodiment
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, shown in Figure 8, a kind of Oil sucking drive of the present invention, it comprises: motor 10, the fixing frame 20 of power supply motivation, cable wire 30 and sucker rod 40, motor 10 is the outer rotor three-phase permanent-magnetic synchronous motors, it comprises: stator 1, rotor 2 and lead-in wire 3, stator 1 is by stator beam barrel 11, be coated at the stator core 12 on the stator beam barrel 11, form with the winding 15 that is arranged on stator core 12 circumference, rotor 2 is by left end cap 21, right end cap 22, be fixed on the outer rotor iron core 23 between left end cap 21 and the right end cap 22, the permanent magnetic steel 24 and the pole shoe 25 that are fixed on outer rotor iron core 23 inboards are formed, and left end cap 21 is connected with stator beam barrel 11 by bearing 4 respectively with right end cap 22, and stator 1 is positioned at rotor 2 inside, stator beam barrel 11 is provided with a through hole 13, and lead-in wire 3 passes through hole 13 and is connected with winding 1;
As from the foregoing, Oil sucking drive of the present invention in use, give the winding on the stator iron core 12 15 power supplies by power supply by lead-in wire 3, rotor 2 is rotated, thereby make cable wire 30 promote or transfer sucker rod, finish the oil well oil-pumping function, bascule wherein can reduce the requirement to motor-output.Oil sucking drive of the present invention is simple in structure, the efficient height, and cost is low, can be used for promoting or transferring sucker rod easily.
Bascule comprises that a counterbalance 14, is fixed on the left fixed pulley 32 with gathering sill and the cable wire 30 ' that is connected with counterbalance 14 of frame 20 left ends, and the other end of cable wire 30 ' is walked around left fixed pulley 32 gathering sills and is fixed on the external surface of outer rotor iron core 23;
As Fig. 1, shown in Figure 6, counterbalance 14 is a weight block.
As shown in Figure 8, above-mentioned counterbalance 14 also can be one second pumpingh well sucker rod.The sucker rod 40 and second pumpingh well sucker rod counterbalance each other realizes with a motor 10 being two mouthfuls of well work simultaneously like this, can greatly improve pumping efficiency, cuts down the consumption of energy.
As shown in Figure 5, be another embodiment of the present invention, wherein, left end cap 21 left sides and right end cap 22 right sides have a left groove 26 and a right groove 27 respectively, bascule comprise be located at respectively with right groove 27 in some arc spring laminations 28, one end of left side groove 26 inner shrapnels 28 is fixedlyed connected with the inner surface 29 of left end cap 21, the other end is fixedlyed connected with the external surface 18 of stator beam barrel 11, one end of right groove 27 inner shrapnels 28 is fixedlyed connected with the inner surface 29 of right end cap 22, the other end is fixedlyed connected with the external surface 18 of stator beam barrel 11, shell fragment 28 can be done energy storage and play the dynamic equilibrium effect, and can be used for the oil pumping work of ultra-long-stroke.
As shown in Figure 1, left fixed pulley 32 and right fixed pulley 33 are positioned at motor 10 belows.
As Fig. 6, shown in Figure 8, left fixed pulley 32 and right fixed pulley 33 are positioned at motor 10 tops.Power supply motivation 10 fixing frames 20 can be done shortlyer like this, so that the I﹠M of motor.
As shown in Figure 7, be further embodiment of this invention structural representation.Oil sucking drive of the present invention, it also comprises left movable pulley 36 with gathering sill that is connected with counterbalance 14 and the right movable pulley 37 with gathering sill that is connected with sucker rod 40, one end of cable wire 30 ' is walked around the gathering sill of left fixed pulley 34 and left movable pulley 36 and is fixed in the opposite side of left fixed pulley 34, and the other end of cable wire 30 is walked around the gathering sill of right fixed pulley 35 and right movable pulley 37 and is fixed in the opposite side of right fixed pulley 35.Owing to adopt left fixed pulley 34, right fixed pulley 35, left movable pulley 36 and right movable pulley 37, thereby can save power of electric motor.Present embodiment is owing to adopt assembly pulley can save the power of motor 10.
Claims (10)
1, a kind of Oil sucking drive, it comprises: motor, for the fixing frame of described motor, cable wire and sucker rod is characterized in that:
Described motor is the outer rotor three-phase permanent-magnetic synchronous motors, it comprises stator, rotor and lead-in wire, described stator is by the stator beam barrel, be coated at the stator core on the described stator beam barrel, form with the winding that is arranged on the described stator core circumference, described rotor is by left end cap, right end cap is fixed on the outer rotor iron core between described left end cap and the right end cap, and the permanent magnetic steel and the pole shoe that are fixed on described outer rotor iron core inboard are formed, described left end cap is connected with described stator beam barrel by bearing respectively with right end cap, described stator is positioned at described internal rotor, and described stator beam barrel is provided with a through hole, and described lead-in wire passes described through hole and is connected with described winding;
Described frame right-hand member is fixed with a right fixed pulley with gathering sill, described cable wire one end is connected the top of described sucker rod, the described cable wire other end is walked around described right fixed pulley gathering sill and is fixed on the external surface of described outer rotor iron core, also is provided with bascule on the described motor.
2, Oil sucking drive according to claim 1, it is characterized in that: described bascule comprises that a counterbalance, is fixed on the left fixed pulley with gathering sill and the cable wire that is connected with described counterbalance of described frame left end, the other end of described cable wire is walked around described left fixed pulley gathering sill and is fixed on the external surface of described outer rotor iron core, and described counterbalance is a weight block or one second pumpingh well sucker rod.
3, Oil sucking drive according to claim 1, it is characterized in that: described left end cap left side and described right end cap right side have a left groove and a right groove respectively, described bascule comprises the some arc spring laminations that are arranged at respectively in described left groove and the right groove, one end of described left groove inner shrapnel is fixedlyed connected with described left end cap inner surface, the other end is fixedlyed connected with the external surface of described stator beam barrel, one end of described right end cap inner shrapnel is fixedlyed connected with described right end cap inner surface, and the other end is fixedlyed connected with the external surface of described stator beam barrel.
4, Oil sucking drive according to claim 2, it is characterized in that: described left end cap left side and described right end cap right side have a left groove and a right groove respectively, described bascule also comprises the some arc spring laminations that are arranged at respectively in described left groove and the right groove, one end of described left groove inner shrapnel is fixedlyed connected with described left end cap inner surface, the other end is fixedlyed connected with the external surface of described stator beam barrel, one end of described right end cap inner shrapnel is fixedlyed connected with described right end cap inner surface, and the other end is fixedlyed connected with the external surface of described stator beam barrel.
5, according to claim 1 or 2 or 3 or 4 described Oil sucking drives, it is characterized in that: described left end cap and right end cap external diameter are greater than the external diameter of described outer rotor iron core.
6, according to claim 1 or 2 or 3 or 4 described Oil sucking drives, it is characterized in that: described bearing is for disperseing bearing.
7, Oil sucking drive according to claim 5 is characterized in that: described bearing is for disperseing bearing.
8, according to claim 2 or 4 described Oil sucking drives, it is characterized in that: described left fixed pulley and right fixed pulley are positioned at described motor below.
9, according to claim 2 or 4 described Oil sucking drives, it is characterized in that: described left fixed pulley and right fixed pulley are positioned at described motor top.
10, according to claim 2 or 4 described Oil sucking drives, it is characterized in that: it also comprises left movable pulley with gathering sill that is connected with described counterbalance and the right movable pulley with gathering sill that is connected with described sucker rod, one end of described cable wire is walked around the gathering sill of described left fixed pulley and left movable pulley and is fixed in the opposite side of described left fixed pulley, and the other end of described cable wire is walked around the gathering sill of described right fixed pulley and right movable pulley and is fixed in the opposite side of described right fixed pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03136642 CN1456786A (en) | 2003-05-22 | 2003-05-22 | Oil sucking drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03136642 CN1456786A (en) | 2003-05-22 | 2003-05-22 | Oil sucking drive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1456786A true CN1456786A (en) | 2003-11-19 |
Family
ID=29411799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03136642 Pending CN1456786A (en) | 2003-05-22 | 2003-05-22 | Oil sucking drive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1456786A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101775970B (en) * | 2010-01-12 | 2013-11-06 | 马俊金 | Oil pumping machine |
-
2003
- 2003-05-22 CN CN 03136642 patent/CN1456786A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101775970B (en) * | 2010-01-12 | 2013-11-06 | 马俊金 | Oil pumping machine |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |