CN201671602U - Wire rope gearing lever-type beam-pumping unit - Google Patents

Wire rope gearing lever-type beam-pumping unit Download PDF

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Publication number
CN201671602U
CN201671602U CN2010201876763U CN201020187676U CN201671602U CN 201671602 U CN201671602 U CN 201671602U CN 2010201876763 U CN2010201876763 U CN 2010201876763U CN 201020187676 U CN201020187676 U CN 201020187676U CN 201671602 U CN201671602 U CN 201671602U
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CN
China
Prior art keywords
wire rope
fixed
reel
walking
spring
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Expired - Lifetime
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CN2010201876763U
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Chinese (zh)
Inventor
宗贻平
李丙文
陆蒙湘
薛多山
史志峰
夏睦虎
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Petrochina Co Ltd
China Petroleum and Natural Gas Co Ltd
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China Petroleum and Natural Gas Co Ltd
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Priority to CN2010201876763U priority Critical patent/CN201671602U/en
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Publication of CN201671602U publication Critical patent/CN201671602U/en
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Abstract

The utility model discloses a wire rope gearing lever-type beam-pumping unit which is applied to the technical field of oil industry oil production and comprises a base, a support, a walking beam, a power system, a flexible drive system and a counterweight mechanism, wherein the motor support is fixed with a motor which drives a large pulley; the large pulley drives a winding drum which drives the flexible drive system; one end of the wire rope in front of the flexible drive system is fixed on a wire rope hanging shaft, moves round the walking beam front pulley and then moves around a front tension pulley to be wound on the winding drum; one end of the wire rope at the rear of the winding drum is fixed on the wire rope hanging shaft, moves around a walking beam rear pulley to go down, and then moves around a rear tension pulley to be wound on the winding drum; and the rear end of the walking beam is suspended with the counterweight mechanism. The beam-pumping unit has the effects of being capable of installing and adjusting parameters according to the practical requirement of the work condition of the beam-pumping unit, and overcoming the defects of complex structure, large steel consumption, large energy consumption and low system efficiency of the existing crank balancing beam-pumping unit.

Description

The lever beam-pumping unit of wire rope transmission
Technical field
The utility model relates to petroleum industry oil production equipment technical field, and particularly a kind of oil pumper is a kind of lever beam-pumping unit that is used for the wire rope transmission of oil field surface mining oil.
Background technology
At present, field use the most widely oil pumper be the crank balance beam pumping unit, it changes rotatablely moving of motor into sucker rod pump by quadric chain, thereby drives downhole pump.Complex structure, the build-up member of this oil pumper steel many, that use are many, energy consumption is big, system effectiveness is low and debug difficulties in operation.
The utility model content
The purpose of this utility model is: the lever beam-pumping unit that a kind of wire rope transmission is provided, can finish ground oil well oil-pumping work, and according to the actual demand of oil pumper operating mode, according to the real-time hole condition of oil well, install and adjust parameter, overcome existing crank balance beam pumping unit complex structure, consume the deficiency that steel are many, energy consumption is big, system effectiveness is low.
The technical solution adopted in the utility model is: the lever beam-pumping unit of wire rope transmission comprises base, support, walking beam, dynamical system, flexible transmission system and balance weight mechanism.Base is fixed on by fot screw and installs on the foundation pier, the plane is fixed with the support that leg-of-mutton employing shaped steel is welded on the base, the base center fixation has the reel assembly, pulling force seat assembly, brake system, back pull seat assembly, support of motor and protective guard before being fixed with on the base.Prop up top of the trellis and the walking beam supporting seat is arranged by bolt; Be connected with walking beam on the walking beam supporting seat, the walking beam front end is connected with horse head, and the walking beam rear end hangs the counterweight assembly; The base tail end is fixed with the counterweight buffer; Be fixed with the spacing pole of walking beam front end on the support, prevent that the walking beam front end anglec of rotation is excessive.The support side is fixed with helper.It is characterized in that:
Dynamical system comprises motor, joint group narrow V belt, big belt pulley and reel assembly, is fixed with motor on support of motor, and the belt pulley on the motor output shaft connects big belt pulley by the joint group narrow V belt; Big belt pulley is fixed on the central axis end of reel assembly; The reel assembly comprises a reel, the reel both sides have a reel bearing respectively, there is central axis to be connected between reel and the reel bearing, roller steel wire rope pressing plate with reel before behind wire rope and the reel end of wire rope be fixed on the reel, the reel bearing is fixed on the base and is positioned at the center of support;
Flexible transmission system comprises wire rope behind wire rope before the preceding pulling force seat assembly, walking beam front wheel, reel, preceding pulling force pulley, the reel, back pull pulley, back pull seat assembly and walking beam rear wheel.Before the pulling force seat assembly be fixed on the base and below the walking beam front end; Be fixed with pulley base in the preceding pulling force seat assembly outside, preceding pulling force pulley is arranged on the pulley base; Below the front end of walking beam, be fixed with the walking beam front wheel; Before an end of wire rope is fixed on before the reel on the wire rope hanging scroll of pulling force seat assembly, wire rope is upwards walked around behind the walking beam front wheel downwards before the reel, and the pulling force pulley was wrapped on the reel before wire rope was walked around again before the reel, and fixed with roller steel wire rope pressing plate.The back pull seat assembly is fixed on the base and below the walking beam rear end; Be fixed with pulley base in the back pull seat assembly outside, the back pull pulley is arranged on the pulley base; Below the rear end of walking beam, be fixed with the walking beam rear wheel; An end of wire rope is fixed on the wire rope hanging scroll of back pull seat assembly behind the reel, and wire rope is upwards walked around behind the walking beam rear wheel downwards behind the reel, and wire rope is walked around the back pull pulley again and is wrapped on the reel behind the reel, and fixes with roller steel wire rope pressing plate.The direction that wire rope twines on reel before the direction that wire rope twines on reel behind the reel and the reel is opposite.
Walking beam front wheel center equates with the distance of walking beam rear wheel center to walking beam supporting seat center to the distance at walking beam supporting seat center.
Hang or hinged balance weight mechanism in the walking beam rearward end, balance weight mechanism has two kinds of box type weight assembly or curved boom formula counterweight assemblies.Described box type weight assembly comprises ballast box, movable weight and balance weight body, and ballast box is a cuboid box, is fixed with movable weight and balance weight body in ballast box, and balance weight body is at lower box, and movable weight is on the top of casing.Ballast box is welded on the angle steel side-lower.Described curved boom formula counterweight assembly comprises curved boom, moving counterweight dish and balance weight body, be fixed with the cylinder that steel plate is welded in the lower end of curved boom, balance weight body is housed in the cylinder, and outer two ends of cylinder are fixed with the moving counterweight dish, and the moving counterweight dish is fixed by bolts on the cylinder.The moving counterweight dish is used for adjustment.
The pulling force seat assembly comprises fixing spring top board, preceding pulling force seat channel-section steel, spring compression bolt, spring and movable spring top board before described, the fixing spring top board is welded on the top of two preceding pulling force seat channel-section steels, there is spring bottom, two ends at the fixing spring top board by the spring compression bolt respectively, the spring compression bolt passes spring, in the lower end of spring compression bolt the movable spring top board is arranged, the spring compression bolt passes the centre bore of movable spring top board.Be fixed with the wire rope hanging scroll in the bottom of movable spring top board.Preceding pulling force pulley is fixed on the side of two preceding pulling force seat channel-section steels by pulley base.
Described back pull seat assembly comprises fixing spring top board, back pull seat channel-section steel, spring compression bolt, spring and movable spring top board, the fixing spring top board is welded on the top of two back pull seat channel-section steels, middle lower portion at the fixing spring top board has spring by the spring compression bolt, the spring compression bolt passes spring, in the lower end of spring compression bolt the movable spring top board is arranged, the spring compression bolt passes the centre bore of movable spring top board.Be fixed with the wire rope hanging scroll in the bottom of movable spring top board.The back pull pulley is fixed on the side of two back pull seat channel-section steels by pulley base.
Described counterweight buffer is that a multistage elasticity is held flushing device.
The operating principle of the lever beam-pumping unit of wire rope transmission: consult Fig. 1.The motor 7 back and forth power of rotation output passes to big belt pulley 5 via belt driver joint group narrow V belt 6, and big belt pulley 5 rotating band movable reels 4 back and forth rotate; Wire rope 31 moved back and forth after reel 4 drove preceding wire rope 19 of reel fixed thereon and reel, thereby drive walking beam 24 and horse head 23 and make reciprocally swinging around walking beam supporting seat 27, guiding principle rope and polished rod eye 22 are arranged at horse head 23 bottoms, and guiding principle rope and polished rod eye 22 move up and down, and drive the sucker rod reciprocal reciprocating oil pumping.
The beneficial effects of the utility model: motor 7 provides power with direct drive mode, has saved that reducer, crank device, balance weight, crossbeam and crossbeam in the crank balance beam pumping unit supports, the linkage component.
Motor is controlled by RHVC, this device all can be realized stepless adjustable to stroke, the jig frequency of oil pumper, can effectively realize fast slow down travel speed control, when motor something unexpected happened or sudden power in operation process, need be out of service, this moment, autobrake system started immediately, and motor is stopped operating immediately, then whole system is out of service, and warning system startup simultaneously also can show works as prior fault.
The lever beam-pumping unit of wire rope transmission, the utility model main innovate point: 1, motor is controlled by RHVC; 2, transmission adopted flexible piece wire rope is realized; 3, bascule is to be regulated by adjustable tail counterweight; 4, component such as reducer, crank device, balance weight, crossbeam and crossbeam support in the crank balance beam pumping unit, linkage have been saved.
1, changed the balance mode of traditional beam pumping unit, unique balanced structure can reach accurate balance, and the traveling mechanism out-of-balance force is zero, has greatly reduced the power output of dynamical system.
2, transmission system is designed to flexible transmission system, has thoroughly changed the stiff transmission of crank balance beam pumping unit, thereby has effectively reduced reversing impact; Improved power saving rate; Improved the durability of transmission system component.
3, this type oil pumper compact conformation, to compare overall dimensions little with the crank balance beam pumping unit, positive drive parts such as reducer, crank, balance weight, crossbeam and crossbeam support, linkage have been saved simultaneously, reduced consumable accessory, thereby make it simple and reliable for structure, security of operation is steady, degree of reliability height, long service life.Owing to save about 40% steel, reduced manufacturing cost simultaneously.
4, noise in service is low, can leakage of oil, and pollution-free; The power saving rate height, the complete machine power saving rate reaches 30~50%.
5, the utility model Design Orientation is an electromechanical integrated product, and stroke, jig frequency is electrodeless adjustable and easy to adjust, reduces operator's labour intensity, and is safe and reliable.
6, motor is controlled by the intelligent frequency-conversion arrangements for speed regulation, this device all can be realized stepless adjustable to stroke, the jig frequency of oil pumper, can effectively realize fast slow down travel speed control, when motor something unexpected happened or sudden power in operation process, need be out of service, this moment, autobrake system started immediately, and motor is stopped operating immediately, then whole system is out of service, and warning system startup simultaneously also can show works as prior fault.
Description of drawings
Fig. 1 is the lever beam-pumping unit structural representation of the utility model wire rope transmission.
Fig. 2 is the schematic diagram of box type weight assembly 34.
Fig. 3 is the lever beam-pumping unit structural representation of the utility model wire rope transmission.
Fig. 4 is the schematic diagram of curved boom formula counterweight assembly 42.
Fig. 5 is the roll device structural representation.
Fig. 6 is preceding pulling force seat assembly 18 structural representations.
Fig. 7 is back pull seat assembly 38 structural representations.
Among the figure: 1. foundation pier is installed; 2. base; 3. support; 4. reel; 4-1. roller steel wire rope pressing plate; 4-2. reel bearing; 5. big belt pulley; 6. joint group narrow V belt; 7. motor; 8. brake system; 11. fot screw; 12. pulley base; 13. preceding pulling force pulley; 14. wire rope hanging scroll; 15. movable spring top board; 16. spring; 17. spring compression bolt; 18. preceding pulling force seat assembly; 19. wire rope before the reel; 22. polished rod eye; 23. horse head; 24. walking beam; 25. the spacing pole of walking beam front end; 26. helper; 27. walking beam supporting seat; 31. wire rope behind the reel; 32. walking beam front wheel; 33. walking beam rear wheel; 34. box type weight assembly; 35. protective guard; 36. counterweight buffer; 37. back pull pulley; 38. back pull seat assembly; 39. support of motor; 40. balance weight body; 41. moving counterweight dish; 42. curved boom formula counterweight assembly; 43. movable weight; 44. ballast box; 45. fixing spring top board; 46. preceding pulling force seat channel-section steel; 47. back pull seat channel-section steel.
A partly represents the extreme position that box type weight assembly 34 descends;
B partly represents the extreme position that curved boom formula counterweight assembly 42 descends.
The specific embodiment
Embodiment 1: the lever beam-pumping unit with the wire rope transmission that is box type weight of a balance weight mechanism is an example, and the utility model is described in further detail.
Consult Fig. 1.The lever beam-pumping unit of wire rope transmission comprises base 2, support 3, walking beam 24, dynamical system, flexible transmission system and balance weight mechanism.Base 2 is fixed on by fot screw 11 and installs on the foundation pier 1, the plane is fixed with the support 3 that a leg-of-mutton employing shaped steel is welded on the base 2, base 2 center fixation have a reel assembly, are fixed with a preceding pulling force seat assembly 18, brake system 8, back pull seat assembly 38, support of motor 39 and a protective guard 35 on the base 2.By bolt walking beam supporting seat 27 is arranged at support 3 tops.Be connected with walking beam 24 on walking beam supporting seat 27, walking beam 24 two ends can be that the center of circle swings up and down with the axle of walking beam supporting seat 27.Last walking beam 24 front ends are connected with a horse head 23, and walking beam 24 rear ends hang box type weight assembly 34.Base 2 tail ends are fixed with counterweight buffer 36; Be fixed with a spacing pole 25 of walking beam front end on the support 3.Support 3 sides are fixed with helper 26.
Dynamical system comprises an adjustable frequency motor 7, joint group narrow V belt 6, big belt pulley 5 and reel assembly, is fixed with an adjustable frequency motor 7 on support of motor 39, and the belt pulley on adjustable frequency motor 7 output shafts connects big belt pulley 5 by joint group narrow V belt 6.Consult Fig. 5.Big belt pulley 5 is fixed on the central axis end of reel assembly; The reel assembly comprises a reel 4, reel 4 both sides have a reel bearing 4-2 respectively, there is central axis to be connected between reel 4 and the reel bearing 4-2, roller steel wire rope pressing plate 4-1 can be fixed on the end of wire rope 31 behind wire rope before the reel 19 and the reel on the reel 4, and reel bearing 4-2 is fixed on the base 2 and is positioned at the center of support 3.
Consult Fig. 1.Flexible transmission system comprises before a preceding pulling force seat assembly 18, walking beam front wheel 32, the reel behind the preceding pulling force pulley of wire rope 19,13, the reel wire rope 31, back pull pulley 37, a back pull seat assembly 38 and a walking beam rear wheel 33.Before pulling force seat assembly 18 be fixed on the base 2 and below walking beam 24 front ends; Be fixed with pulley base 12 in preceding pulling force seat assembly 18 outsides, preceding pulling force pulley 13 is arranged on the pulley base 12; Below the front end of walking beam 24, be fixed with walking beam front wheel 32; An end of wire rope 19 is fixed on the wire rope hanging scroll 14 of preceding pulling force seat assembly 18 before the reel, wire rope 19 is upwards walked around walking beam front wheel 32 backs downwards before the reel, pulling force pulley 13 was wrapped on the reel 4 before wire rope 19 was walked around again before the reel, and fixed with roller steel wire rope pressing plate 4-1.Back pull seat assembly 38 is fixed on the base 2 and below walking beam 24 rear ends; Be fixed with pulley base 12 in back pull seat assembly 38 outsides, back pull pulley 37 is arranged on the pulley base 12; Below the rear end of walking beam 24, be fixed with walking beam rear wheel 33; An end of wire rope 31 is fixed on the wire rope hanging scroll 14 of back pull seat assembly 38 behind the reel, wire rope 31 is upwards walked around walking beam rear wheel 33 backs downwards behind the reel, wire rope 31 is walked around back pull pulley 37 again and is wrapped on the reel 4 behind the reel, and fixes with roller steel wire rope pressing plate 4-1.The direction that wire rope 19 twines on reel 4 before the direction that wire rope 31 twines on reel 4 behind the reel and the reel is opposite.
Walking beam front wheel 32 centers equate with the distance of walking beam rear wheel 33 centers to walking beam supporting seat 27 centers to the distance at walking beam supporting seat 27 centers.
Be hung with box type weight assembly 34 in walking beam 24 rearward end.Box type weight assembly 34 comprises ballast box 44, movable weight 43 and balance weight body 40, and ballast box 44 is a cuboid box, is fixed with movable weight 43 and balance weight body 40 in ballast box 44, and balance weight body 40 is at lower box, and movable weight 43 is on the top of casing.Ballast box 44 is welded on the angle steel side-lower.
Consult Fig. 6.Preceding pulling force seat assembly 18 comprises fixing spring top board 45, preceding pulling force seat channel-section steel 46, spring compression bolt 17, spring 16 and movable spring top board 15, fixing spring top board 45 is welded on the top of two preceding pulling force seat channel-section steels 46, bottom, two ends at fixing spring top board 45 is fixed with spring 16 by spring compression bolt 17 respectively, spring compression bolt 17 passes spring 16, in the lower end of spring compression bolt 17 movable spring top board 15 is arranged, spring compression bolt 17 passes the centre bore of movable spring top board 15.Be fixed with wire rope hanging scroll 14 in the bottom of movable spring top board 15.Preceding pulling force pulley 13 is fixed on the side of two preceding pulling force seat channel-section steels 46 by pulley base 12.
Consult Fig. 7.Back pull seat assembly 38 comprises fixing spring top board 45, back pull seat channel-section steel 47, spring compression bolt 17, spring 16 and movable spring top board 15, fixing spring top board 45 is welded on the top of two back pull seat channel-section steels 47, middle lower portion at fixing spring top board 45 is fixed with spring 16 by spring compression bolt 17, spring compression bolt 17 passes spring 16, in the lower end of spring compression bolt 17 movable spring top board 15 is arranged, spring compression bolt 17 passes the centre bore of movable spring top board 15.Be fixed with wire rope hanging scroll 14 in the bottom of movable spring top board 15.Back pull pulley 37 is fixed on the side of two back pull seat channel-section steels 47 by pulley base 12.
Described counterweight buffer 36 is that a multistage elasticity is held flushing device.
The balance adjustment mode is the regulative mode that manually increases and decreases counterweight.Counterweight is divided into balance weight body 40 and two parts of movable weight 43 (adjustable counter balance).Balance weight body 40 is the hole conditions according to suspending point loading minimum in institute's installation oil well, the quality in a basic balance that calculates, and the quality of balance weight body 40 need not be regulated; Movable weight 43 is the counterweight part that increase, subtract according to institute's installation oil well hole condition actual load needs, just calculate the gross mass m of needs counterweight according to institute's installation oil well hole condition actual load, deduct the mass defect m2 that draws behind the quality m1 of fixed weight part again, m2=m-m1.In the practical operation, only need to regulate movable weight 43 parts.In the oil pumper installation process or before installing according to oil pumper operating mode and hole condition, calculating needs weight mass, when box type weight assembly 34 drops to extreme position A, in the ballast box 44 of box type weight assembly 34, increase or the balancing weight 43 that takes in sail, reaching satisfied counterbalance effect gets final product, implement more convenient, balance adjustment is also very accurate.
Embodiment 2: the lever beam-pumping unit basic structure of wire rope transmission is substantially the same manner as Example 1, and difference is that the present embodiment balance weight mechanism adopts curved boom formula counterweight assembly 42.Consult Fig. 4.Curved boom formula counterweight assembly 42 comprises curved boom, moving counterweight dish 41 and balance weight body 40, be fixed with the cylinder that steel plate is welded in the lower end of curved boom, balance weight body 40 is housed in the cylinder, and outer two ends of cylinder are fixed with moving counterweight dish 41, and moving counterweight dish 41 is fixed by bolts on the cylinder.Moving counterweight dish 41 is used for adjustment.

Claims (6)

1. the lever beam-pumping unit of a wire rope transmission comprises base (2), support (3), walking beam (24), dynamical system, flexible transmission system and balance weight mechanism; Base (2) is fixed on by fot screw (11) and installs on the foundation pier (1), base (2) is gone up the plane and is fixed with the support (3) that leg-of-mutton employing shaped steel is welded into, base (2) center fixation has the reel assembly, pulling force seat assembly (18), brake system (8), back pull seat assembly (38), support of motor (39) and protective guard (35) before being fixed with on the base (2), there is walking beam supporting seat (27) at support (3) top by bolt; Be connected with walking beam (24) on the walking beam supporting seat (27), walking beam (24) front end is connected with horse head (23), and walking beam (24) rear end hangs the counterweight assembly; Base (2) tail end is fixed with counterweight buffer (36); Be fixed with the spacing pole of walking beam front end (25) on the support (3), support (3) side is fixed with helper (26); It is characterized in that:
Dynamical system comprises motor (7), joint group narrow V belt (6), big belt pulley (5) and reel assembly, is fixed with motor (7) on support of motor (39), and the belt pulley on motor (7) output shaft connects big belt pulley (5) by joint group narrow V belt (6); Big belt pulley (5) is fixed on the central axis end of reel assembly; The reel assembly comprises a reel (4), reel (4) both sides have a reel bearing (4-2) respectively, there is central axis to be connected between reel (4) and the reel bearing (4-2), roller steel wire rope pressing plate (4-1) with wire rope before the reel (19) and reel after the end of wire rope (31) be fixed on the reel (4), reel bearing (4-2) is fixed on the center that support (3) were gone up and be positioned to base (2);
Flexible transmission system comprises wire rope (31) behind wire rope (19) before the preceding pulling force seat assembly (18), walking beam front wheel (32), reel, preceding pulling force pulley (13), the reel, back pull pulley (37), back pull seat assembly (38) and walking beam rear wheel (33); Before pulling force seat assembly (18) be fixed on that base (2) is gone up and in walking beam (24) front end below; Be fixed with pulley base (12) in preceding pulling force seat assembly (18) outside, preceding pulling force pulley (13) is arranged on the pulley base (12); Front end below at walking beam (24) is fixed with walking beam front wheel (32); An end of wire rope (19) is fixed on the wire rope hanging scroll (14) of preceding pulling force seat assembly (18) before the reel, wire rope (19) is upwards walked around walking beam front wheel (32) back downwards before the reel, pulling force pulley (13) was wrapped on the reel (4) before wire rope (19) was walked around again before the reel, and fixing with roller steel wire rope pressing plate (4-1); Back pull seat assembly (38) is fixed on that base (2) is gone up and in below, walking beam (24) rear end; Be fixed with pulley base (12) in back pull seat assembly (38) outside, back pull pulley (37) is arranged on the pulley base (12); Below, rear end at walking beam (24) is fixed with walking beam rear wheel (33); One end of wire rope behind the reel (31) is fixed on the wire rope hanging scroll (14) of back pull seat assembly (38), wire rope behind the reel (31) is upwards walked around walking beam rear wheel (33) back downwards, wire rope behind the reel (31) is walked around back pull pulley (37) again and is wrapped on the reel (4), and fixing with roller steel wire rope pressing plate (4-1); The direction of wire rope behind the reel (31) wire rope (19) winding on reel (4) before direction that reel (4) go up to twine and reel is opposite;
Walking beam front wheel (32) center equates with the distance of walking beam rear wheel (33) center to walking beam supporting seat (27) center to the distance at walking beam supporting seat (27) center;
Hang or hinged balance weight mechanism in walking beam (24) rearward end, balance weight mechanism adopts box type weight assembly (34) or curved boom formula counterweight assembly (42).
2. the lever beam-pumping unit of wire rope transmission according to claim 1, it is characterized in that: described box type weight assembly (34) comprises ballast box (44), movable weight (43) and balance weight body (40), ballast box (44) is a cuboid box, in ballast box (44), be fixed with movable weight (43) and balance weight body (40), balance weight body (40) is at lower box, movable weight (43) is on the top of casing, and ballast box (44) is welded on the angle steel side-lower.
3. the lever beam-pumping unit of wire rope transmission according to claim 1, it is characterized in that: described curved boom formula counterweight assembly (42) comprises curved boom, moving counterweight dish (41) and balance weight body (40), be fixed with the cylinder that steel plate is welded in the lower end of curved boom, balance weight body (40) is housed in the cylinder, outer two ends of cylinder are fixed with moving counterweight dish (41), and moving counterweight dish (41) is fixed by bolts on the cylinder.
4. according to claim 1, the lever beam-pumping unit of 2 or 3 described wire rope transmissions, it is characterized in that: pulling force seat assembly (18) comprises fixing spring top board (45) before described, preceding pulling force seat channel-section steel (46), spring compression bolt (17), spring (16) and movable spring top board (15), fixing spring top board (45) is welded on the top of two preceding pulling force seat channel-section steels (46), bottom, two ends at fixing spring top board (45) is fixed with spring (16) by spring compression bolt (17) respectively, spring compression bolt (17) passes spring (16), in the lower end of spring compression bolt (17) movable spring top board (15) is arranged, spring compression bolt (17) passes the centre bore of movable spring top board (15), be fixed with wire rope hanging scroll (14) in the bottom of movable spring top board (15), preceding pulling force pulley (13) is fixed on the side of two preceding pulling force seat channel-section steels (46) by pulley base (12).
5. according to claim 1, the lever beam-pumping unit of 2 or 3 described wire rope transmissions, it is characterized in that: described back pull seat assembly (38) comprises fixing spring top board (45), back pull seat channel-section steel (47), spring compression bolt (17), spring (16) and movable spring top board (15), fixing spring top board (45) is welded on the top of two back pull seat channel-section steels (47), middle lower portion at fixing spring top board (45) is fixed with spring (16) by spring compression bolt (17), spring compression bolt (17) passes spring (16), in the lower end of spring compression bolt (17) movable spring top board (15) is arranged, spring compression bolt (17) passes the centre bore of movable spring top board (15), be fixed with wire rope hanging scroll (14) in the bottom of movable spring top board (15), back pull pulley (37) is fixed on the side of two back pull seat channel-section steels (47) by pulley base (12).
6. according to the lever beam-pumping unit of claim 1,2 or 3 described wire rope transmissions, it is characterized in that: described counterweight buffer (36) is that a multistage elasticity is held flushing device.
CN2010201876763U 2010-05-06 2010-05-06 Wire rope gearing lever-type beam-pumping unit Expired - Lifetime CN201671602U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010201876763U CN201671602U (en) 2010-05-06 2010-05-06 Wire rope gearing lever-type beam-pumping unit

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Application Number Priority Date Filing Date Title
CN2010201876763U CN201671602U (en) 2010-05-06 2010-05-06 Wire rope gearing lever-type beam-pumping unit

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CN201671602U true CN201671602U (en) 2010-12-15

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Application Number Title Priority Date Filing Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103982162A (en) * 2014-05-23 2014-08-13 王毅 Balance type pulley block pumping unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103982162A (en) * 2014-05-23 2014-08-13 王毅 Balance type pulley block pumping unit

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