CN105464627A - Scale type balance difference oil pumping unit - Google Patents
Scale type balance difference oil pumping unit Download PDFInfo
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- CN105464627A CN105464627A CN201510953126.5A CN201510953126A CN105464627A CN 105464627 A CN105464627 A CN 105464627A CN 201510953126 A CN201510953126 A CN 201510953126A CN 105464627 A CN105464627 A CN 105464627A
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- 238000005086 pumping Methods 0.000 title abstract description 7
- 241001023788 Cyttus traversi Species 0.000 claims abstract description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 92
- 229910052742 iron Inorganic materials 0.000 claims description 45
- 239000012530 fluid Substances 0.000 claims description 10
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- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
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- 229910000906 Bronze Inorganic materials 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 239000010974 bronze Substances 0.000 description 2
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
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- 241000256844 Apis mellifera Species 0.000 description 1
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- 239000010720 hydraulic oil Substances 0.000 description 1
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- 230000005389 magnetism Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
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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
Abstract
The invention discloses a scale type balance difference oil pumping unit. The oil pumping unit comprises a tower, a walking beam, a horse head, a hydraulic station, a counterweight assembly, a brake mechanism and a scale balance driving mechanism. The scale balance driving mechanism comprises a through-rod two-way cylinder. One end of a through rod of the through-rod two-way cylinder is connected to a first pulley support. A first stay rope bypasses a first movable pulley, is guided by a first fixed pulley, and then is connected to a down pull bar hinged to the horse head. The lower end of a suspension rope fixed to the horse head is connected to an oil pumping rod. The other end of the through rod is connected to a second pulley support. A second stay rope bypasses a second movable pulley, is guided by a second fixed pulley, and then is connected to an adjusting pull bar. The upper end of the adjusting pull bar is hinged to the rear end of the walking beam. The oil pumping unit is high in working efficiency, has good energy-saving effects, and has a long service lifetime.
Description
Technical field
The present invention relates to a kind of oil production equipment, particularly relate to a kind of balance-type type balanced differences oil pumper.
Background technology
At present in oil extraction in oil field process, the oil pumper particularly used in heavy oil production process, ubiquity is short for application life, inefficiency, the problem such as particularly consume energy large, the logical 14 type oil pumpers of a Daepori as used at present, stroke 4.5 meters, spurt 2.5 times/min, driving power 37kw ~ 45kw lifting force is 21 tons, descending power is 17 tons, average running current is 60 peaces, motor is from starting 750r/min ~ 118r/min, group V belt translation loses merit about 10%, reductor decelerates to 2.5r/min from 118r/min, speed ratio is very large, although increase moment of torsion, but directly lose between merit 30 ~ 40%, 20 ~ 30% have been lost again at the effort lever adding the resistance of difference mill and amplification stroke, just lost 70 ~ 80% in mechanical transfer process, actual motion just applies 20 ~ 30%, mechanical transfer link causes the principal element of highly energy-consuming.
Summary of the invention
Object of the present invention, is to provide a kind of balance-type type balanced differences oil pumper, small investment, be convenient to maintenance, long service life, production efficiency are high, good energy-conserving effect.
The technical scheme adopted is:
A kind of balance-type type balanced differences oil pumper, comprise pylon, walking beam, horse head, Hydraulic Station, balance weight assembly, braking mechanism and balance-type type balance driving mechanism, walking beam is arranged on the top of pylon, and walking beam is connected with pylon upper end by central pivot point axle.Horse head is fixed on one end of walking beam, and balance weight assembly is installed in the other end of walking beam, it is characterized in that:
Described balance-type type balance driving mechanism, comprises through rod two-way cylinder, the first stay cord, the first pulley assembly, the second stay cord, the second pulley assembly and guard shield.
First pulley assembly, comprises the first fixed pulley, the first movable pulley and descending rod assembly, the second pulley assembly, comprises the second fixed pulley, the second movable pulley, adjusting yoke.
First movable pulley, through rod two-way cylinder, the second movable pulley are installed in guard shield, and the first fixed pulley and the second fixed pulley are installed in the two ends of guard shield respectively, and the first fixed pulley is positioned at the left side of the first movable pulley, and the second fixed pulley is positioned at the right side of the second movable pulley.
First movable pulley is installed in the groove of the first moving pulley bracket, and the two ends of the wheel shaft of the first movable pulley are inserted after being each passed through the axis hole on the groove front and rear wall of first axle bed and the first pulley bracket in the chute in guard shield, two side offered.First axle bed is equiped with travel switch.The left end of the cylinder rod of the two oil cylinder of through rod is connected with the first pulley bracket.First fixed pulley is installed in the left end of guard shield, the wheel shaft two ends of the first fixed pulley are fixedly connected with guard shield respectively, one end of first stay cord is fixed on the first stay cord securing member, stay cord securing member is fixed in guard shield, the other end of the first stay cord walks around the first movable pulley, then is connected with descending pull bar crossbeam after the first fixed pulley guiding.Second movable pulley, the second fixed pulley are installed in guard shield respectively, are positioned at the right side of through rod two-way cylinder.The assembly relation of the second movable pulley, the second fixed pulley, the second stay cord, through rod two-way cylinder is identical with the assembly relation of the first movable pulley, the first fixed pulley, the first stay cord, through rod two-way cylinder.
Descending rod assembly, comprise the first descending pull bar, the second descending pull bar, the first descending pull bar is fixedly connected with pull bar crossbeam respectively with the lower end of the second descending pull bar, and its upper end is connected with horse head two side by the first bearing pin.Horse head is fixed with outstanding rope, the other end of outstanding rope is connected with sucker rod, and sucker rod bottom is inserted in well head.First moving pulley bracket is connected with one end of the through rod of through rod two-way cylinder.Second stay cord one end is fixed on the second stay cord fixture in guard shield, and the other end walks around the second movable pulley, and be connected with adjusting yoke lower end after the second fixed pulley guiding, adjusting yoke upper end is connected with the rear end of walking beam by adjusting yoke axle.
Balance Iron assembly, comprise Balance Iron and drive oil cylinder and Balance Iron, Balance Iron upper end is connected with Balance Iron support, and Orbit Matching clamping that the top being installed in Balance Iron pedestal upper end both sides is taken turns and Balance Iron on walking beam two side is walked, is slidably matched.Balance Iron drives oil cylinder tailstock to be fixed on walking beam, and Balance Iron drives the piston rod of oil cylinder to be connected with Balance Iron support.
Braking mechanism, comprises brake disc and brake disc arrestment mechanism, and brake disc arrestment mechanism comprises drag friction chip module, hydraulic lock bearing pin, hydraulic lock body support frame, brake-fluid cylinder pressure and fasteningly connects dish.Brake disc two ends are respectively by being bolted on walking beam.
Balance-type type balanced differences oil pumper core technology principle is researched and developed, fill up the disadvantage of oil pumper reactive loss waste, capture large stratigraphic well, consumption reduction plays remarkable effect, efficiently solve heavy oil wells and inclined shaft hoisting power is large, descending backhaul resistance is large waits series of problems, after transformation, production run is laborsaving, only drive the power of upper and lower balanced differences 1/2nd, just can easily run, embodying balance-type type balanced differences balance of well pumping unit runs laborsaving, power saving, two ends tension equalizer is identical, equidistant etc. power, alternate reciprocating motion, mechanical movement is done work safe and reliable, electric energy surmounts the energy-conservation limit of any type (promote 20 tons and only need 8-15 electricity peace stream), obtain significant energy-efficient effect.By balance-type type balanced differences power-saving technology principle, transformation is carried out to existing beam pumping unit and can reach identical power savings.
Simulation test 14 type oil pumpers, stroke 4.5 meters, jig frequency 2.5 beats/min, three grades of bars, well depth 1700 meters, lifting weight 21 tons, descending weight 17 tons, driving power motor 37kw, average running current 60 is pacified.
1. cylinder diameter 100mm, subtracts shank diameter 50mm, stroke 2.25 meters, and capacity is that 14.4L, 4Mpa export 5.8 tons.
2. plunger displacement pump 45 type, when rotating speed per minute is 1600 turns, discharge capacity is per second is 1.2L.
3. jig frequency: (14.4L/1.2*2=24 makes a round trip second), (60/24)=2.5 beat/min.
The beneficial effect that the present invention obtains is:
1, hydraulic-driven, driving be the power of upper and lower balanced differences 1/2nd, be driving force, laborsaving, power saving, realize energy-efficient.Solve the problems such as oblique ascension, heavy oil wells, the large power consumption height of descending backhaul resistance.
2, main employing Balance principle hydraulic-driven, movable pulley is doubly put distance and is waited fusion complementary theory.Reasonable in design is simple, the features such as power is little, and consume energy low, efficiency is high, economize on electricity.Frequency control motor adjusts number convenient and swift, controls to save time flexibly.Hydraulic jack drives and replaces the heavy reductor of power consumption benzene, has played the practical characteristic of oil cylinder greatly.The speed of travel is low, and thrust output is large, and Direct driver, energy transferring link is few.Low pressure operation (4 ~ 5Mpa) alleviates impact to machinery and resonance, Based Intelligent Control electromechanical integration, adjustable range is wide, and simple to operate, oil cylinder and movable pulley perfect combination doubly put distance, solve oil pumper extension stroke problem, raising stroke, reduction jig frequency are played a role, the mechanical load frictional resistance of rod tube pump can be reduced simultaneously, increase the service life, increase journey and can reach the maximum use limitation of pump efficiency, improve crude output and efficiency.The power such as balanced design two ends are equidistant are in addition run, and make mechanical efficiency up to more than 95%, reactive loss is little, embodies laborsaving, the remarkable result that power saving is energy-efficient.
Mechanical transfer link is few, and reactive loss is little, and stroke is maximum reaches 6 ~ 8 meters.Solve oil pumper to be difficult to realize the problem such as large stroke and efficiency low energy consumption height.Also solve lever force-saving expense apart from problem simultaneously.
To existing oil pumper transformation easily.
Accompanying drawing explanation
Fig. 1 is a kind of example structure schematic diagram of the present invention.
Fig. 2 is descending rod assembly structural representation.
Fig. 3 is quiet pulley, movable pulley, guard shield, through rod two-way cylinder assembling schematic diagram.
Fig. 4 is braking mechanism schematic diagram.
Fig. 5 is the left view of Fig. 4.
Fig. 6 and Fig. 7 is Balance Iron assembly and walking beam assembly structure schematic diagram.
Fig. 8 is the first stay cord, the first fixed pulley, the second fixed pulley, through rod two-way cylinder, the second fixed pulley, the second movable pulley, the second stay cord, left guard shield, cylinder shield, right guard shield assembling schematic diagram.
Fig. 9 is left shield structure schematic diagram.
Figure 10 is right shield structure schematic diagram.
Figure 11 is through rod two-way cylinder structural representation.Number in the figure is: 62 be dust ring, 63 be this special envelope, 64 be sealing ring, 66 be oil cylinder piston, 67 enclose, 68 be piston inner hole sealing ring, 70 be cylinder rod (through rod), 72 be hydraulic cylinder, 73 be anti-impact shock-absorbing (nitrile rubber cover), 74 be oil cylinder cover, 75 be connecting thread, 77 be oil duct for oil cylinder gland card lobe and jump ring (composite member), 76 for combination fixture block and jump ring, 71 for oil cylinder piston fluorine bronze guide ring, 69 for honeybee lattice for fluorine bronze guide ring, 65.
Figure 12 is two-way hydraulic power unit schematic diagram.Number in the figure is: 78 be motor, 79 be plunger displacement pump, 80 be one way valve, 81 be reversal valve, 83 be one-way hydraulic lock, 84 be two-way surge tank, 85 be air-cooled radiator, 86 be hydraulic oil container, 87 be temperature control oil level indicator, 88 be permanent magnetism oil filter, 89 be ball valve, 90 be respectively double loop radiating tube for line filter, 91 and 92 for pipeline buffering single pair of radiating tube, 47 for pressure valve of overflowing, 82,93 is through rod two-way cylinder.
Detailed description of the invention
Embodiment one
A kind of balance-type type balanced differences oil pumper, comprise pylon 1, walking beam 2, horse head 3, Hydraulic Station 4, balance weight assembly, braking mechanism and balance-type type balance driving mechanism, walking beam 2 is arranged on the top of pylon 1, and walking beam 2 is connected with pylon 1 upper end by central pivot point axle 5.Horse head 3 is fixed on one end of walking beam 2, and balance weight assembly is installed in the other end of walking beam 2, it is characterized in that:
Described balance-type type balance driving mechanism, comprises through rod two-way cylinder 6, first stay cord 7, first pulley assembly, the second stay cord 8, second pulley assembly and guard shield 18.
First pulley assembly, comprises the first fixed pulley 9, first movable pulley 10 and descending rod assembly 11; Second pulley assembly, comprises the second fixed pulley 12, second movable pulley 13 and adjusting yoke 14.
First movable pulley 10, through rod two-way cylinder 6, second movable pulley 13 are installed in guard shield 18, first fixed pulley 9 and the second fixed pulley 12 are installed in the two ends of guard shield 18 respectively, first fixed pulley 9 is positioned at the left side of the first movable pulley 10, and the second fixed pulley 12 is positioned at the right side of the second movable pulley 13.
First movable pulley 10 is installed in the groove of the first moving pulley bracket 23, and the two ends of the wheel shaft of the first movable pulley 10 are inserted after being each passed through the axis hole on the groove front and rear wall of first axle bed 45 and the first moving pulley bracket 23 in the chute in guard shield 18, two side offered.First axle bed 45 is equiped with travel switch 46.The left end of the cylinder rod 25 of the two oil cylinder 6 of through rod is connected with the first pulley bracket 23.First fixed pulley 9 is installed in the left end of guard shield 18, wheel shaft 48 two ends of the first fixed pulley are fixedly connected with guard shield 18 respectively, one end of first stay cord 7 is fixed on the first stay cord securing member 49, first stay cord securing member 49 is fixed in guard shield 18, the other end of the first stay cord 7 walks around the first movable pulley 10, then is connected with descending pull bar crossbeam 19 after the first fixed pulley 9 leads.Second movable pulley 13, second fixed pulley 12 is installed in guard shield 18 respectively, is positioned at the right side of through rod two-way cylinder 6.The assembly relation of the second movable pulley 13, second fixed pulley 12, second stay cord 8, through rod two-way cylinder 6 is identical with the assembly relation of the first movable pulley 10, first fixed pulley 9, first stay cord 7, through rod two-way cylinder 26.
Descending rod assembly 11, comprises the descending pull bar 15 of first descending pull bar the 15, second descending pull bar 16, first and is fixedly connected with pull bar crossbeam 19 respectively with the lower end of the second descending pull bar 16, and its upper end is connected with horse head 3 two side by the first bearing pin 17.Horse head 3 is fixed with outstanding rope 20, the other end of outstanding rope 20 is connected with sucker rod 21, and sucker rod 21 bottom is inserted in well head 22.First moving pulley bracket 23 is connected with one end of the through rod 25 of through rod two-way cylinder 6.Second stay cord 8 one end is fixed on the second stay cord fixture on guard shield 18 inwall.The other end walks around the second movable pulley 13, is connected after the second fixed pulley 12 leads with adjusting yoke 14 lower end, and adjusting yoke 14 upper end is connected with the rear end of walking beam 2 by adjusting yoke axle 26.
Balance Iron assembly, comprise Balance Iron and drive oil cylinder 27 and Balance Iron 28, Balance Iron 28 upper end is connected with Balance Iron support 61, and the top being installed in both sides, Balance Iron support 61 upper end is taken turns 30 and mated clamping with the track 60 of walking of the Balance Iron on walking beam 3 two side, is slidably matched.Balance Iron drives oil cylinder 27 tailstock to be connected on walking beam 2 by bearing pin 58, and Balance Iron drives the piston rod 57 of oil cylinder to be connected with Balance Iron support 61.
Braking mechanism, comprises brake disc 29 and brake disc arrestment mechanism, and brake disc arrestment mechanism comprises drag friction chip module 24, hydraulic lock bearing pin 31, hydraulic lock body support frame 32, brake-fluid cylinder pressure 33 and fasteningly connects dish 34.Brake disc 29 two ends are respectively by being bolted on walking beam 2.
Embodiment two
Embodiment two is structurally substantially identical with embodiment one, and its difference is:
Described guard shield 18 is consisted of Flange joint left guard shield 43, cylinder shield 60 and right guard shield 44.First movable pulley 10 is installed in left guard shield 43, and through rod two-way cylinder 6 is installed in cylinder shield 60, and the second movable pulley 12 is installed in right guard shield 44.First fixed pulley 9 is installed in the left end of left guard shield 43, and the second fixed pulley 12 is installed in right guard shield 44 right-hand member.
Embodiment three
Embodiment three structurally with embodiment one or embodiment two substantially identical, its difference is:
Described Balance Iron support 61, comprises bracket shell 50, and bracket shell 50 top inner chamber is equiped with four pulleys 51 and four top wheels 52.Walking beam 2 front and rear sides wall bottom is fixed with Balance Iron walking track 53 respectively, and bracket shell 50 is folded on walking beam 2.51 points forward and backward two groups, four pulleys, set up respectively on forward and backward two Balance Irons walking track 53.Bracket shell 50 bottom is provided with upset axle bed 54, and upset axle bed 54 is connected with bracket shell 50 by trip shaft 55, and upset axle bed 54 is connected with Balance Iron junction plate 56, and Balance Iron 28 upper surface is connected with Balance Iron junction plate 56.Balance Iron drives the piston rod 57 of oil cylinder 27 to be connected by the 7th bearing pin 59 with bracket shell 50, and Balance Iron drives the tailstock of oil cylinder 27 to be connected by the 8th bearing pin 58 with walking beam 2.
Hydraulic lock support is connect by hydraulic lock bearing pin 31 by left socle 35 and right support 36.Drag friction assembly is made up of left bremsbelage 38 and right bremsbelage 37.Drag friction assembly is installed in jaw place, hydraulic lock support 32 upper end, namely left socle 35 inwall is fixed with left bremsbelage 38, right support 36 inwall is fixed with right bremsbelage 37.Brake-fluid cylinder pressure 33 is installed in the jaw place, lower end of hydraulic lock support 32, and the piston rod 39 of brake-fluid cylinder pressure 33 is connected by the 5th bearing pin 40 with right support 36 lower end.The tailstock 58 of brake-fluid cylinder pressure 33 is connected by the 6th bearing pin 41 with left socle 35, brake disc 29 is folded in the upper end pincers 42 of hydraulic lock support, can contact with right bremsbelage 37 with left bremsbelage 38, during brake, driven by brake-fluid cylinder pressure 33, make two bremsbelage clamping brake discs 29 realize braking.
Claims (6)
1. a balance-type type balanced differences oil pumper, comprise pylon (1), walking beam (2), horse head (3), Hydraulic Station (4), balance weight assembly, braking mechanism and balance-type type balance driving mechanism, walking beam (2) is arranged on the top of pylon (1), and walking beam (2) is connected with pylon (1) upper end by central pivot point axle (5); Horse head (3) is fixed on one end of walking beam (2), and balance weight assembly is installed in the other end of walking beam (2), it is characterized in that:
Described balance-type type balance driving mechanism, comprises through rod two-way cylinder (6), the first stay cord (7), the first pulley assembly, the second stay cord (8), the second pulley assembly and guard shield (18);
First pulley assembly, comprises the first fixed pulley (9), the first movable pulley (10) and descending rod assembly (11); Second pulley assembly, comprises the second fixed pulley (12), the second movable pulley (13) and adjusting yoke (14);
First movable pulley (10), through rod two-way cylinder (6), the second movable pulley (13) are installed in guard shield (18), first fixed pulley (9) and the second fixed pulley (12) are installed in the two ends of guard shield (18) respectively, first fixed pulley (9) is positioned at the left side of the first movable pulley (10), and the second fixed pulley (12) is positioned at the right side of the second movable pulley (13);
First movable pulley (10) is installed in the groove of the first moving pulley bracket (23), and the two ends of the wheel shaft of the first movable pulley (10) are inserted in chute that guard shield (18) interior two side is offered after being each passed through the axis hole on the groove front and rear wall of first axle bed (45) and the first pulley bracket (23);
The left end of the cylinder rod (25) of the two oil cylinder (6) of through rod is connected with the first pulley bracket (23); First fixed pulley (9) is installed in the left end of guard shield (18), wheel shaft (48) two ends of the first fixed pulley are fixedly connected with guard shield (18) respectively, one end of first stay cord (7) is fixed on the first stay cord securing member (49), first stay cord securing member (49) is fixed in guard shield (18), the other end of the first stay cord (7) walks around the first movable pulley (10), then is connected with descending pull bar crossbeam (19) after the first fixed pulley (9) guiding; Second movable pulley (13), the second fixed pulley (12) are installed in guard shield (18) respectively, are positioned at the right side of through rod two-way cylinder (6); The assembly relation of the second movable pulley (13), the second fixed pulley (12), the second stay cord (8), through rod two-way cylinder (6) is identical with the assembly relation of the first movable pulley (10), the first fixed pulley (9), the first stay cord (7), through rod two-way cylinder (26);
Descending rod assembly (11), comprise the first descending pull bar (15), the second descending pull bar (16), first descending pull bar (15) is fixedly connected with pull bar crossbeam (19) respectively with the lower end of the second descending pull bar (16), and its upper end is connected with horse head (3) two side by the first bearing pin (17); Horse head (3) is fixed with outstanding rope (20), the other end of outstanding rope (20) is connected with sucker rod (21), and sucker rod (21) bottom is inserted in well head (22); First moving pulley bracket (23) is connected with one end of the through rod (25) of through rod two-way cylinder (6); Second stay cord (8) one end is fixed on the second stay cord fixture on guard shield (18) inwall; The other end walks around the second movable pulley (13), and be connected with adjusting yoke (14) lower end after the second fixed pulley (12) guiding, adjusting yoke (14) upper end is connected with the rear end of walking beam (2) by adjusting yoke axle (26).
2. a kind of balance-type type balanced differences oil pumper according to claim 1, is characterized in that:
Described Balance Iron assembly, comprise Balance Iron and drive oil cylinder (27) and Balance Iron (28), Balance Iron (28) upper end is connected with Balance Iron support (61), the top wheel (30) and the Balance Iron on walking beam (2) two side that are installed in Balance Iron support (61) both sides, upper end track (60) of walking mates clamping, is slidably matched; Balance Iron drives oil cylinder (2) tailstock to be connected on walking beam (2) by bearing pin (58), and Balance Iron drives the piston rod (57) of oil cylinder to be connected with Balance Iron support (61).
3. a kind of balance-type type balanced differences oil pumper according to claim 1, is characterized in that:
Described braking mechanism, comprise brake disc (29) and brake disc arrestment mechanism, brake disc arrestment mechanism comprises drag friction chip module (24), hydraulic lock bearing pin (31), hydraulic lock body support frame (32), brake-fluid cylinder pressure (33) and fasteningly connects dish (34); Brake disc (29) two ends are respectively by being bolted on walking beam (2);
Hydraulic lock support is connect by hydraulic lock bearing pin (31) by left socle (35) and right support (36); Drag friction assembly is made up of left bremsbelage (38) and right bremsbelage (37); Drag friction assembly is installed in jaw place, hydraulic lock support (32) upper end, namely left socle (35) inwall is fixed with left bremsbelage (38), right support (36) inwall is fixed with right bremsbelage (37); Brake-fluid cylinder pressure (33) is installed in the jaw place, lower end of hydraulic lock support (32), and the piston rod (39) of brake-fluid cylinder pressure (33) is connected by the 5th bearing pin (40) with right support (36) lower end; The tailstock (58) of brake-fluid cylinder pressure (33) is connected by the 6th bearing pin (41) with left socle (35), and brake disc (29) is folded in upper end pincers (42) of hydraulic lock support, can contact with left bremsbelage (38) with right bremsbelage (37).
4. a kind of balance-type type balanced differences oil pumper according to claim 1,2 or 3, is characterized in that:
Described Balance Iron support (61), comprises bracket shell (50), and bracket shell (50) top inner chamber is equiped with four pulleys (51) and four tops wheel (52); Walking beam (2) front and rear sides wall bottom is fixed with Balance Iron walking track (53) respectively, and bracket shell (50) is folded on walking beam (2); Four pulleys (51) divide forward and backward two groups, set up respectively on forward and backward two Balance Irons walking track (53); Bracket shell (50) bottom is provided with upset axle bed (54), upset axle bed (54) is connected with bracket shell (50) by trip shaft (55), upset axle bed (54) is connected with Balance Iron junction plate (56), and Balance Iron (28) upper surface is connected with Balance Iron junction plate (56); Balance Iron drives the piston rod (57) of oil cylinder (27) to be connected by the 7th bearing pin (59) with bracket shell (50), and Balance Iron drives the tailstock of oil cylinder (27) to be connected by the 8th bearing pin (58) with walking beam (2).
5. a kind of balance-type type balanced differences oil pumper according to claim 1,2 or 3, is characterized in that:
Described guard shield (18) is consisted of Flange joint left guard shield (43), cylinder shield (60) and right guard shield (44); First movable pulley (10) is installed in left guard shield (43), and through rod two-way cylinder (6) is installed in cylinder shield (60), and the second movable pulley (2) is installed in right guard shield (44); First fixed pulley (9) is installed in the left end of left guard shield (43), and the second fixed pulley (12) is installed in right guard shield (44) right-hand member.
6. a kind of balance-type type balanced differences oil pumper according to claim 1,2 or 3, is characterized in that:
Described first axle bed (45) is equiped with travel switch (46).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510953126.5A CN105464627A (en) | 2015-12-20 | 2015-12-20 | Scale type balance difference oil pumping unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510953126.5A CN105464627A (en) | 2015-12-20 | 2015-12-20 | Scale type balance difference oil pumping unit |
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| CN105464627A true CN105464627A (en) | 2016-04-06 |
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| CN201510953126.5A Pending CN105464627A (en) | 2015-12-20 | 2015-12-20 | Scale type balance difference oil pumping unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113550719A (en) * | 2021-09-06 | 2021-10-26 | 史劢 | Balance type oil pumping machine |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4487061A (en) * | 1982-12-17 | 1984-12-11 | Fmc Corporation | Method and apparatus for detecting well pump-off |
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| CN104018814A (en) * | 2014-06-30 | 2014-09-03 | 中国地质大学（武汉） | Double-balanced range-extended hydraulic oil pumping unit |
| CN204002715U (en) * | 2014-05-23 | 2014-12-10 | 王毅 | Balance-type type assembly pulley oil pumper |
| CN205260010U (en) * | 2015-12-20 | 2016-05-25 | 靳宝才 | Balanced poor beam -pumping unit of it flat |
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| US4487061A (en) * | 1982-12-17 | 1984-12-11 | Fmc Corporation | Method and apparatus for detecting well pump-off |
| CN88210116U (en) * | 1988-01-30 | 1988-11-09 | 白洪凯 | Increasing stroke, power-saving beam pumping unit |
| CN2061218U (en) * | 1990-01-20 | 1990-08-29 | 郭振洲 | Long-stroke hydraulic type oil pumping machine |
| US5105671A (en) * | 1991-03-19 | 1992-04-21 | Slater Frank W | Well pumping unit with adjustable balance beam |
| CN201650232U (en) * | 2010-03-19 | 2010-11-24 | 长江大学 | Dual-horse head superposed non-synchronous crank long stroke energy-saving beam-pumping unit |
| CN102828729A (en) * | 2012-09-12 | 2012-12-19 | 鞍山红拖轧钢有限公司 | Fully-automatic hydraulic pumping unit |
| CN204002715U (en) * | 2014-05-23 | 2014-12-10 | 王毅 | Balance-type type assembly pulley oil pumper |
| CN104018814A (en) * | 2014-06-30 | 2014-09-03 | 中国地质大学（武汉） | Double-balanced range-extended hydraulic oil pumping unit |
| CN205260010U (en) * | 2015-12-20 | 2016-05-25 | 靳宝才 | Balanced poor beam -pumping unit of it flat |
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| CN113550719A (en) * | 2021-09-06 | 2021-10-26 | 史劢 | Balance type oil pumping machine |
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