CN201650224U - Counter weight balanced type oil pumping unit - Google Patents

Counter weight balanced type oil pumping unit Download PDF

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Publication number
CN201650224U
CN201650224U CN2010200489443U CN201020048944U CN201650224U CN 201650224 U CN201650224 U CN 201650224U CN 2010200489443 U CN2010200489443 U CN 2010200489443U CN 201020048944 U CN201020048944 U CN 201020048944U CN 201650224 U CN201650224 U CN 201650224U
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China
Prior art keywords
crossbeam
gear
cylinder
weight
control cabinet
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Expired - Fee Related
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CN2010200489443U
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Chinese (zh)
Inventor
刘定现
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Individual
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Individual
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Abstract

The utility model relates to oil exploitation equipment, in particular to a high-efficient and energy-saving oil pumping unit, i.e. a counter weight balanced type oil pumping unit comprising a bracket 1, a mule head 2, a beam 3, a counter weight 4, an angle pulley 6 and a hoist 5, wherein the counter weight 4 is arranged at the rear end of the beam 3 and fixedly connected with the beam; the hoist 5 consists of an electric motor 5-1, a control box 5-2 and a roller 5-3, the electric motor is connected with the roller through the control box, an intermittent mechanism is arranged in the control box, one end of a steel wire rope wound on the roller is connected with the rear part of the beam, and the other end is connected with the front part of the beam through the angle pulley; and the middle part of the beam is supported on the bracket. The utility model has simple structure, easy manufacture, low cost, high efficiency and energy saving.

Description

Counterweight balance formula petroleum extractor
Technical field
The utility model relates to a kind of oil exploration equipment, especially a kind of petroleum extractor of high-efficiency and energy-saving type.
Background technology
Chinese patent application numbers 200820109335.7 discloses " a kind of synthesis energy saving oil pumper ", this utility model provides a kind of synthesis energy saving oil pumper, comprise base support, motor, reduction box, crank connecting link system, beam balance system, oil well pump, also comprise electric control gear and be attached thereto the oil pump coefficient of fullness monitor that connects; Be provided with microprocessor, energy back unit, power model unit, compensation condenser in the described electric control gear, take out controller.Chinese patent application numbers 200420007131.4 discloses a kind of " two horse head full-balance oil pumper ", it has lever walking beam, horse head, support, reductor, motor, body rack is fixed on the body bearing, the top of body rack is connected with the walking beam mid point, its key is that the end at walking beam is fixed with preposition horse head, and the walking beam other end is fixed with rearmounted horse head; The reductor of transferring power) drive reinforcement bull wheel and drive link one end and be connected on the reinforcement bull wheel, an end of two power arms is hinged with the walking beam two ends respectively, and the other end is hinged with the drive link other end together.The walking beam two ends are provided with two horse heads, and equidistant apart from fulcrum, load balance.One machine can supply two mouthfuls of oil well work.Chinese patent application numbers 200710114154.3 discloses a kind of " oil pumper of mobile regulating centroidal ", it comprises crossbeam, power distribution cabinet, power distribution cabinet connects the motor drives guide wheel and rotates, guide wheel moves up and down crossbeam by connecting rod, crossbeam is seated on the base bearing of big boom support top, the front portion of crossbeam is the horse head plait that horse head is connected with it, the below is connecting polished rod pin, polished rod, by flow process and petroleum pipeline transfer oil, be provided with mobile balanced block on crossbeam, mobile balanced block is controlled by mobile controlling organization.Adopt after the said structure, because balance weight can be along with crossbeam moves up and down under control automatically, thereby saves energy can prevent belt creep.
At present, what aspirate both at home and abroad that underground crude oil generally uses is beam pumping unit, and this oil pumper is to convert rotatablely moving of motor the reciprocating motion of sucker rod to by crank-link mechanism, reaches the purpose of oil pumping.Because crank-link mechanism has the dead point to exist in motion process, in order to overcome the dead point, on the axle that is connected with crank, installed huge balance weight additional during design, drive balance weight and rotate together, must strengthen power of electric motor, this is the high key issue place of beam pumping unit energy consumption.According to measuring and calculating, this oil pumper only one of electricity charge expenditure has just accounted for 2/3rds of cost for oil production.So cost and fuel-economizing are problem demanding prompt solutions in the sector.
Summary of the invention
The purpose of this utility model is intended to overcome the defective of prior art, thoroughly throws crank-link mechanism away, and a kind of simple in structure, counterweight balance formula petroleum extractor that cost is low and energy-efficient is provided.
Counterweight balance formula petroleum extractor described in the utility model is made of support, horse head, crossbeam, weight, angle pulley and hoist engine, weight is arranged on the rear end of crossbeam, fixedly connected with crossbeam, hoist engine is made of motor, control cabinet and cylinder, motor is connected with cylinder by control cabinet, is provided with indexing mechanism in the control cabinet, and wire rope one end on cylinder is connected with the crossbeam rear portion, the other end is connected by angle pulley and crossbeam are anterior, and the middle part of crossbeam is supported on the support.
In the utility model, the wire rope two ends on cylinder are connected with the crossbeam front and rear part respectively, make equipment stressed distributing equilibrium in whole operation process.And the weight that is arranged on the crossbeam follower head is energy-conservation critical component, is to utilize the gravity realization energy-conservation.The indexing mechanism that is arranged in the hoist engine control cabinet is a gear train, constitute by the two-stage gear, first order gear is driving gear and two driven gear engagements, driving gear is a partial gear, second level gear is connected with two complete gears of the first order by axle, the output shaft of motor is coaxial with driving gear, and the output shaft of second level gear is coaxial with cylinder.Can realize the rotating of hoist engine cylinder effectively like this.
Unlike the prior art be, replace crank-link mechanism with the indexing mechanism that is located in the control cabinet, realize energy-conservationly with the weight that is located at the crossbeam rear end, the wire rope two ends on cylinder are connected with the crossbeam front and rear part respectively, make the stressed distributing equilibrium of whole motion process.
Described control cabinet decapacitation realizes also having deceleration outside the rotating of cylinder, and the rotating speed that changes cylinder just can change the stroke and the jig frequency of sucker rod.
Described weight G is by formula Determine.P is the gravity of sucker rod in liquid in the formula, and p1 is the gravity of fluid column on the plunger displacement pump, and l is the crossbeam forearm length, and y is a brachium behind the crossbeam.By formula as seen, the crossbeam postbrachium is long more, and weight weight is light more.The weight material can be used steel slag concrete, so promptly subtracts volume, saves cost again, and sturdy and durable, make easily.
Described hoist engine tractive force F is by formula Determine.P1 is the gravity of fluid column on the plunger displacement pump in the formula, and l is the crossbeam forearm length, and e is the distance of wire rope origin of force to support.
Described winder motor power is by formula 1.8 * 10 -1D 2HSnr determines.D is the plunger displacement pump diameter in the formula, and H is the pump plunger shaft degree of depth, and S is a stroke, and n is a jig frequency, and r is a specific gravity of crude.
The operating principle of counterweight balance formula petroleum extractor described in the utility model is: when the hoist engine cylinder was just changeing, the wire rope that connects the crossbeam rear portion was stressed, under the gravity acting in conjunction of the tractive force of wire rope and weight, by crossbeam sucker rod was mentioned.Under the effect of the indexing mechanism in control cabinet, so the counter-rotating of hoist engine cylinder, the wire rope that connects the crossbeam front portion is stressed, and the weight of crossbeam rear end is lifted in the gravity acting in conjunction in crude oil liquid of the tractive force of wire rope and sucker rod, meanwhile, sucker rod is descending.Under the effect of indexing mechanism, the hoist engine cylinder just changes.Reciprocal so continuous, underground crude oil just is evacuated to ground continually.
During sucker rod pumped, crossbeam is stressed to be inequality.When sucker rod is up, crossbeam anterior stressed be sucker rod in liquid gravity p and plunger displacement pump on the gravity p1 of fluid column, the crossbeam rear portion is stressed to be weight gravity G and rope traction power F; When sucker rod was descending, the crossbeam front portion is stressed to be sucker rod gravity p and rope traction power F in liquid, and the crossbeam rear portion is stressed to be weight gravity G.
The utility model has the advantages that: compare with traditional beam pumping unit, equipment cost reduces about 30%, and energy-saving effect can reach more than 50%.Be particularly suitable for the reforming high loss beam pumping unit.In control cabinet, be provided with indexing mechanism, under the indexing mechanism effect, can realize effectively that sucker rod pumps, pump, reach the purpose of the underground crude oil of suction thereby drive the down-hole plunger displacement pump.Because all there is rope traction the crossbeam front and rear part, makes equipment in whole operation process, stressed distributing equilibrium owing to utilize the weight acting dexterously, makes hoist engine input power reduce greatly, reaches purpose of energy saving.The utility model is simple in structure, and is easy to manufacture, and cost is low, energy-efficient.
Description of drawings
Fig. 1 is the utility model counterweight balance formula high-efficiency and energy-saving type petroleum extractor structural representation.
Fig. 2 is the utility model counterweight balance formula high-efficiency and energy-saving type petroleum extractor force analysis schematic diagram when plunger displacement pump is up.
Fig. 3 is the utility model counterweight balance formula high-efficiency and energy-saving type petroleum extractor force analysis schematic diagram when plunger displacement pump is descending.
Fig. 4 realizes cylinder rotating schematic diagram for the utility model indexing mechanism.
Among the figure: 1-support, 2-horse head, 3-crossbeam, 4-weight, 5-hoist engine, 5-1-motor, 5-2-control cabinet, 5-3-cylinder, 6-angle pulley.
O among Fig. 4 1Be motor power shaft, O 2Be indexing mechanism output shaft, O 3Be jackshaft, Z 1~Z 5Be gear.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and Examples mode, and drawings and Examples are not used in restriction the utility model.
As shown in Figure 1, counterweight balance formula high-efficiency and energy-saving type petroleum extractor structure described in the utility model is made of support 1, horse head 2, crossbeam 3, weight 4, hoist engine 5 (containing motor 5-1, control cabinet 5-2, cylinder 5-3) and angle pulley 6.Weight 4 is arranged on crossbeam 3 follower heads, fixedly connected with crossbeam, motor is connected with cylinder by control cabinet, be provided with indexing mechanism in the control cabinet, wire rope one end on cylinder is connected with the crossbeam rear portion, the other end is connected by angle pulley and crossbeam are anterior, and the middle part of crossbeam is supported on the support.
The front and back tie point of wire rope and crossbeam equates to the distance of support 1.
Fig. 2 has provided the force analysis figure of counterweight balance formula high-efficiency and energy-saving type petroleum extractor when plunger displacement pump is up.This figure shows: can set up equation according to principle of moment balance:
pl+p1l=Fe+Gy
P is the gravity of sucker rod in liquid in the equation, and p1 is the gravity of fluid column on the plunger displacement pump, and l is the crossbeam forearm length, and F is a hoist engine tractive force, and G is a weight gravity, and e is a wire rope in the origin of force at the crossbeam rear portion distance to support, and y is a brachium behind the crossbeam.
Fig. 3 has provided the force analysis figure of counterweight balance formula high-efficiency and energy-saving type petroleum extractor when plunger displacement pump is descending.This figure shows: can set up equation according to principle of moment balance:
pl+Fe=Gy
P is the gravity of sucker rod in liquid in the equation, and F is a hoist engine tractive force, and l is the crossbeam forearm length, and e is a wire rope in the origin of force of the crossbeam distance to support, and G is a weight gravity, and y is a brachium behind the crossbeam.
Two formulas are set up the mode group:
pl + p 1 l = Fe + Gy - - - - - - ( a ) pl + Fe = Gy - - - - - - - - - ( b )
The group of solving an equation:
G = ( 2 p + p 1 ) l 2 y
F = p 1 l 2 e
Install hydraulic dynamometer additional at the wire rope two ends respectively during enforcement, wire rope force-bearing situation before and after regulating by plus-minus weight weight when two dynamometer readings are consistent, shows that the weight of weight this moment is optimum value, the stressed perfect condition that is in of wire rope.
As shown in Figure 4, the described indexing mechanism that is arranged in the control cabinet of present embodiment is a gear train, is made of the two-stage gear, and first order gear is driving gear Z 1With two driven gear Z 2, Z 3Engagement, driving gear Z 1Be partial gear, second level gear is pitch wheel Z 4, Z 5, Z 4, Z 5Two complete gear Z by the axle and the first order 2, Z 3Connect the output shaft of motor and driving gear Z 1Coaxial, the output shaft of second level gear is coaxial with cylinder.
Among Fig. 4, Z 1Be partial gear, half has tooth.Half is anodontia.If O 1One-tenth clockwise rotates, and works as Z 1Go to Z 2The time, this moment Z 1Just in time with Z 3Throw off Z 1With Z 2Engagement, O 2Axle just becomes inhour to rotate; Work as Z 1Go to Z 3The time, this moment Z 1Just in time with Z 2Throw off Z 1With Z 3Engagement, O 3Axle just becomes to clockwise rotate.O 1Axle whenever rotates a circle O 2The axle rotating respectively once.

Claims (3)

1. counterweight balance formula petroleum extractor, it is characterized in that by support (1), horse head (2), crossbeam (3), weight (4), angle pulley (6) and hoist engine (5) constitute, weight (4) is arranged on the rear end of crossbeam (3), fixedly connected with crossbeam (3), hoist engine (5) is by motor (5-1), control cabinet (5-2) and cylinder (5-3) constitute, motor (5-1) is connected with cylinder (5-3) by control cabinet (5-2), be provided with indexing mechanism in the control cabinet (5-2), wire rope one end on cylinder (5-3) is connected with crossbeam (3) rear portion, the other end is connected by angle pulley (6) and crossbeam (3) are anterior, and the middle part of crossbeam (3) is supported on the support (1).
2. counterweight balance formula petroleum extractor as claimed in claim 1, the indexing mechanism that it is characterized in that being arranged in hoist engine (5) control cabinet (5-2) is a gear train, constitute by the two-stage gear, first order gear is driving gear and two driven gear engagements, driving gear is a partial gear, second level gear is connected with two complete gears of the first order by axle, and the output shaft of motor is coaxial with driving gear, and the output shaft of second level gear is coaxial with cylinder.
3. counterweight balance formula petroleum extractor as claimed in claim 1, the front and back tie point that it is characterized in that described wire rope and crossbeam (3) equates to the distance of support (1).
CN2010200489443U 2010-01-13 2010-01-13 Counter weight balanced type oil pumping unit Expired - Fee Related CN201650224U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010200489443U CN201650224U (en) 2010-01-13 2010-01-13 Counter weight balanced type oil pumping unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010200489443U CN201650224U (en) 2010-01-13 2010-01-13 Counter weight balanced type oil pumping unit

Publications (1)

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CN201650224U true CN201650224U (en) 2010-11-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010200489443U Expired - Fee Related CN201650224U (en) 2010-01-13 2010-01-13 Counter weight balanced type oil pumping unit

Country Status (1)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102128017A (en) * 2010-01-13 2011-07-20 刘昕 Counterweight balance petroleum pumping unit
CN102562001A (en) * 2012-01-11 2012-07-11 杭州史宾纳机械设备有限公司 Numerical-control energy-saving oil pumping unit with long moment arm
CN102644450A (en) * 2011-02-21 2012-08-22 刘昕 Weighted girder-less type strong-efficiency energy-saving oil pumping unit

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102128017A (en) * 2010-01-13 2011-07-20 刘昕 Counterweight balance petroleum pumping unit
CN102128017B (en) * 2010-01-13 2013-05-15 刘昕 Counterweight balance petroleum pumping unit
CN102644450A (en) * 2011-02-21 2012-08-22 刘昕 Weighted girder-less type strong-efficiency energy-saving oil pumping unit
CN102562001A (en) * 2012-01-11 2012-07-11 杭州史宾纳机械设备有限公司 Numerical-control energy-saving oil pumping unit with long moment arm

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20101124

Termination date: 20130113