CN2289075Y - Balanced arm type two-stage beam-balanced pump - Google Patents
Balanced arm type two-stage beam-balanced pump Download PDFInfo
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- CN2289075Y CN2289075Y CN 96201421 CN96201421U CN2289075Y CN 2289075 Y CN2289075 Y CN 2289075Y CN 96201421 CN96201421 CN 96201421 CN 96201421 U CN96201421 U CN 96201421U CN 2289075 Y CN2289075 Y CN 2289075Y
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Abstract
The utility model relates to a balanced arm type two-stage beam-balanced pump. The utility model is characterized in that a balance arm and a beam are connected into a bent beam system, and the utility model comprises at least one fast coupling mechanism. The utility model has the advantages that the assembly and the disassembly are convenient, materials and energy are saved from 30% to 50%, the balance can be regulated when not stopping, the balanced ratio reaches 99%, the balance mass can be lifted without using a truck crane when a well is repaired, a horse head can get out of the way of a well location automatically, the operational reliability, the debugging, and the maintenance of the utility model are superior to the traditional beam pump.
Description
The present invention relates to the beam-pumping unit of oilfield.
The tradition beam-pumping unit is that maximum a kind of lever oil pumping machines is used in the oil field, and its mutation was arranged again modern age---non-synchronous crank balance beam-pumping unit, back-crank pumping unit, air-balance beam-pumping unit etc. are adopted by the oil field in succession.Their common trait, be that movement converter is a kind of simple in structure, comprise the four hinge crankrocker mechanism that main crank 1, connecting rod 2, rocking bar (walking beam) 3 and frame (support, base) 4 are formed, can be referred to as four hinge crankrocker mechanism pumping units.Because movement converter is simple in structure, the motion converter loss of this class lever oil pumping machine is less, reliable in structure, easily manufactured, safeguard simply, durable in use, can adapt to the rugged environment in various oil fields, these all are the advantages that can't negate.
The major defect of four hinge crank mechanism pumping units has two: (1) torque ripple is big, and negative torque is arranged, power consumption; (2) heavy, expend steel.
Obtained " two-stage balance bar beam-punping unit " (application number 88107522.1 of Chinese invention patent, authorize day on June 24th, 1992), and " high-efficient energy-saving lever oil pumping machine " (application number 92245653.4 of having obtained Chinese utility model patent, authorize day on August 22nd, 1993), on probation through model machine, not only because of eliminating negative torque, reduce the torque ripple width of cloth and adjustment (balanced ratio reaches 98%) and economizing on electricity at random, and reduce complete machine weight significantly, can say so and on the basis that keeps four hinge crankrocker mechanism pumping unit advantages, eliminate its shortcoming effectively.
But model machine is on probation to be shown, described two-stage balance bar beam-punping unit and high-efficient energy-saving lever oil pumping machine still have the inconvenient shortcoming of mounting or dismounting.
Purpose of the present invention provides a kind of simple load and unload two-stage balanced beam-pumping unit, and material-saving, energy-conservation more.
This invention task is realized by the technological scheme of the arm-type two-stage balanced beam-pumping unit of balance.This technological scheme is improved forming on the basis of high-efficient energy-saving lever oil pumping machine patented technology, mainly be: adopted balance arm 16 and walking beam 3 to connect and constituted curved walking beam; And in curved walking beam system (curved walking beam is called curved walking beam system with the following inclined to one side tandem-driving bogie 15 of horse head 5 that is installed in its front end and tail end), be provided with at least one quick coupling mechanism.This scheme can be described below:
The arm-type two-stage balanced beam-pumping unit of balance mainly comprises:
A power engine 11;
A speed reducer 8;
One cover drives the belt driver 10 of speed reducer for power engine;
One cover is the crankrocker mechanism that walking beam 3 and frame 4 are formed by main crank 1, connecting rod 2, rocking bar, wherein main crank 1 is fixed with reduction unit output shaft 13, walking beam 3 is lived with the top of frame 4 by beam travelling supporting 7 and is cut with scissors, one end of connecting rod 2 and main crank 1 are lived and are cut with scissors, and the other end is by crossbeam 6 and walking beam 3 hinges alive;
The curved walking beam system of one cover comprises curved walking beam, is bound up on the horse head 5 of curved walking beam front end, and the following inclined to one side equilibrium block/case 15 that is bound up on curved beam travelling tail end;
One cover one-level Equilibrator comprises crank balance, beam balance or their combined balance system;
One cover secondary Equilibrator comprises inclined to one side balance or their combined balance system under 2 ω crank balances, the walking beam;
An one cover rope hanger 14 and a cover braking device 12;
It is characterized in that:
Described curved walking beam is connected with walking beam 3 by balance arm 16 and constitutes, and has a quick coupling mechanism at least in the described curved walking beam system.
Owing to adopted balance arm and be provided with quick coupling mechanism in curved walking beam system, the arm-type two-stage balanced beam-pumping unit of balance of the present invention has simple load and unload advantage (compare with traditional beam-pumping unit, mounting or dismounting also will make things convenient for).In addition, can lift the advantage of balancing mass when also having the horse head unloading, and horse head gets out of the way well location automatically, during well workover without mobile crane; Complete machine weight further reduces, and compares with traditional beam-pumping unit, and material-saving reaches more than 30～50%, the pumping unit of the present invention of suspending point loading 14tf, a stroke 6m, and the complete machine quality is 17t only; Because curved walking beam system barycenter descends, second level balance proportion increases, and can not shut down adjustment significantly, balanced ratio is up to 99%, the energy-saving effect of pumping unit of the present invention further improves, and compares with traditional beam-pumping unit, and economize on electricity is up to 70% during type approval test; Oil pumping operation energy-conservation 30～50%.
The invention provides numerous embodiments, be described further by following embodiment and accompanying drawing now.
Fig. 1 is embodiment one a structural representation.
Fig. 2 is for hanging pin 23 schematic representation that directly are assemblied in the balance arm web hole.
Fig. 3 hangs the pin schematic representation for the socket cap four bank or ridge.
Fig. 4 hangs location brake mechanism schematic representation for connecting horse head 5 with the hinge of walking beam 3.
Fig. 5 is for losing the structural representation that carries protective gear.
Fig. 6 is the structural representation of lift device.
Fig. 7 is embodiment two a structural representation.
Fig. 8 is affiliated to two of mechanism scheme for what connect inclined to one side equilibrium block/case and balance arm down.
Fig. 9 is affiliated to three of mechanism scheme for what connect inclined to one side equilibrium block/case and balance arm down.
Figure 10 is affiliated to four of mechanism scheme for what connect inclined to one side equilibrium block/case and balance arm down.
Figure 11 is affiliated to five of mechanism scheme for what connect inclined to one side equilibrium block/case and balance arm down.
Figure 12 is embodiment three a structural representation.
Figure 13 is embodiment four a structural representation.
Among the figure: 1; main crank, 2; connecting rod, 3; rocking bar (walking beam); 4; frame (support; base), 5; horse head, 6; crossbeam; 7; beam travelling supporting (support top-supported), 8; speed reducer; speed reducer, 9; the speed reducer input shaft; 10; belt driver, 11; power engine, 12; brake; 13; reduction unit output shaft, 14; rope hanger, 15; following inclined to one side equilibrium block/case; 16; balance arm, 17; positioning equilibrium block/case, 18; rope band; 19; balance arm location seat; 20; retarder, 21; reel, 22; balance arm is hung key seat; 23; balance arm is hung pin; 24; the balance arm hinge is hung supporting base, 25; horse head location seat, 26; horse head location lock; 27; the horse head hinge is hung supporting base; 28; horse head is hung pin, 29; lose and carry protective gear, 30; lose to carry and hold flushing device; 31; the pressure-bearing pad; 32; horse head location lock operating handle, 33; equilibrium block/case hinge is hung supporting base, 34; equilibrium block/case is hung pin; 35; equilibrium block/case is hung key seat; 36; equilibrium block/case location seat, 37; the pressure-bearing pad, 38; horse head location lock bearing pin; 39; the crossbeam bearing support; 40; bolt; screw, 41; roll-over protective structure, 42; safe steel pipe; 43; snap ring; 44; bolt, 45; following main partially balancing patch, 46; following secondary partially balancing patch; 47; bolt; 48; thicker nut, 49; the walking beam sand storage, 50; walking beam sand storage sand removing hole; 51; walking beam sand storage sand removing hole door; 52; tandem-driving bogie adds sand hopper, and 53; the tandem-driving bogie sand removing hole, 54; tandem-driving bogie sand removing hole door; 55; belt wheel tightens up nut; 56; cross plate, 57; joint sleeve, 58; the lifting retarder.A, balance arm hinge are hung the slotted eye of supporting base 24; The outer side plane of the pressure-bearing pad 31 of B, balance arm location seat; C, equilibrium block/case hinge are hung the slotted eye of supporting base 33; The outer side plane of the pressure-bearing pad 37 of D, equilibrium block/case location seat; G, horse head hinge are hung the U-shaped or the rectangle groove of supporting base 27; The gib head rectangle groove of H, horse head location seat 25; Extend the rectangle groove that is provided with on J, the horse head side plate; M, belt wheel tighten up the rectangular recess on the nut 55; Rectangular recess on N, the joint sleeve 57; Rectangle projection on P, cross plate 56 end faces; On Q, cross plate 56 other ends with P vertical rectangular projection.
Embodiment one.Referring to Fig. 1, this is a kind of basic model of the arm-type two-stage balanced beam-pumping unit of balance, its basic structure is identical with high-efficient energy-saving lever oil pumping machine (application number 92245653.4), after slowing down by belt driver 10 and speed reducer 8 by a power engine 11, driving is contained in main crank 1 rotation of speed reducer output shaft 13 terminations, and main crank drives walking beams 3 by connecting rod 2 again and waves around the center of beam travelling supporting 7 is upper and lower.
One of major character of present embodiment is to have adopted the curved walking beam of being made up of balance arm 16 and walking beam 3.The front end that should bend walking beam 3 is equipped with horse head 5, and the lower end of balance arm 16 is associated with down inclined to one side equilibrium block/case 15, constitutes curved walking beam system.Two of the major character of present embodiment, be connecting between balance arm 16 and the walking beam 3 to have adopted a kind of quick coupling mechanism in the described curved walking beam system---be affiliated to mechanism: the balance arm hinge with slotted eye A that is being connected on the upper flange of walking beam 3 tail ends is hung supporting base 24, the top of balance arm 16 hangs key seat 22 by the balance arm that is connected with it and is equipped with the balance arm extension pin 23 vertical with the balance arm web, and these extension pin 23 hinges hang among the described slotted eye A; And on the lower wing plate of beam travelling tail end, the balance arm location seat 19 that is being connected and is being provided with pressure-bearing pad 31, the inboard wing plate of balance arm 16 abut on the outer side plane B of pressure-bearing pad 31 of described location seat.
Balance arm is hung pin 23 and also can directly be assemblied in the hole of balance arm 16 top webs (Fig. 2), and at this moment, the tail end of walking beam 3 stretches into part in the web chamber of balance arm 16.
Described slotted eye A can be that the bottom is the U-groove bevel of semicolumn upward opening, can be that the bottom is plane and the cross section is the rectangle groove of rectangle, also can be that the cross section is the L shaped groove of horn shape.Section shape of slotted eye A can also be the full circle shape of a sealing, and at this moment balance arm 16 is hinged together by hanging pin 23 with walking beam 3.
Described balance arm is hung pin 23, its profile can be a cylindrical body, also can be the socket cap four bank or ridge that two ends have socket cap as shown in Figure 3, the cross section of this four bank or ridge is rectangular, fasten with the slotted eye A of described cross section rectangular ( shape) or dihedral (L shaped), the socket cap at two ends then cooperates with the cylindrical hole of hanging key seat 22 or the cylindrical hole on the balance arm web.
In the present embodiment, the connection of horse head 5 and walking beam 3, adopted another kind of quick coupling mechanism---hinge is hung the location brake mechanism.Referring to Fig. 1 and Fig. 4, the top of walking beam 3 front end upper flanges, the horse head hinge with U-shaped or rectangle ( shape) groove G that is being connected is hung supporting base 27, and vertical its side plate horse head that is being connected is hung pin 28 on the horse head 5, and this extensions pin 28 cuts with scissors and hangs among the described groove G; The below of walking beam front end lower wing plate, the horse head location seat 25 of the gib head rectangle groove H that has upward opening is being connected, be fixed with horse head location lock bearing pin 38 on the side plate of horse head 5, extend the rectangle groove J that is provided with upward opening on another side plate, the horse head location lock 26 that a cross section is arranged is rectangle, the one end is hinged with horse head 5 by the described horse head location lock bearing pin 38 that is fixed on horse head 5 side plates, the other end is stuck in and extends among the groove J that is provided with on another side plate of horse head, its middle part is stuck among the gib head rectangle groove H of described horse head location seat 25, thus horse head 5 and walking beam 3 relative positionings.When horse head location lock 26 when location lock bearing pin 38 outwards produces, horse head 5 walking beam 3 is relatively hung pin 28 around horse head and be rotated, horse head is located seat 25 and is entered in the cavity of horse head 5, horse head gets out of the way well location.Horse head location lock operating handle 32 is housed on the lock of horse head location, is used for controlling the position of horse head location lock.
In the present embodiment, also be provided with a kind of rope band traction positioning equilibrium block/box device of adjustment at random: the intracavity section of balance arm 16 is rectangular, there is a sliding with it positioning equilibrium block/case 17 of joining to slide up and down therein, the top of this equilibrium block/case 17 hangs with rope band 18, and the other end of rope band is wrapped on the reel 21 that is positioned at balance arm top board top; Fixing a retarder 20 on the top board of balance arm 16, assembling reel 21 or connect on the low speed output shaft of this retarder with the rotating shaft of reel 21, the high speed input shaft then directly or by a belt driver connects with handwheel or motor, can regulate and control by handwheel, can be by motor crawl regulation and control at random, also can pumping unit be worked under the optimum balance state by the position of microcomputer from motion tracking adjustment piece/case 17.
Between described rope band 18 homostasis piece/casees 17, a sheave block also can be set, that is: the rope band 18 of drawing from reel 21 hangs equilibrium block/case 17 by a sheave block.
Described positioning equilibrium block/case 17 also can adopt the structure of joining with balance arm outer arm cunning.
In the present embodiment, also setting is lost year protective gear 29 and is lost to carry and hold flushing device 30.
Losing a year protective gear 29 is arranged between crossbeam bearing support 39 and the walking beam 3.Referring to Fig. 5, it mainly is made up of roll-over protective structure 41 and safe steel pipe 42: roll-over protective structure 41 is the shaped as frame structure and is enclosed within on the walking beam 3, its base plate and crossbeam bearing support are connected as a single entity, its top board has circular hole, stretch out from this circular hole the upper end of safe steel pipe 42, holds tightly with bolt 44 to be adjacent among a pair of snap ring 43 on the safety steel pipe is positioned at the shaped as frame structure of roll-over protective structure and with the roll-over protective structure top board or a little gap arranged; The lower end of safe steel pipe then with walking beam upper flange ball pivot.With walking beam 3 two kinds of connecting modes are arranged with the crossbeam bearing support 39 that roll-over protective structure is connected as a single entity: (1) connects with bolt 40, hold tightly between 43 upper sides of the snap ring on the safety steel pipe and roll-over protective structure base plate and should leave a little gap this moment, in case losing, horse head carries (suspending point loading is zero), dash bolt 40 fractures that cause connecting crossbeam bearing support and walking beam under the walking beam under the inclined to one side balancing mass, the described snap ring of holding tightly on safety steel pipe 42 43 just is adjacent to the roll-over protective structure top board, walking beam continues to upwarp, the frictional force that overcomes 42 of snap ring 43 and safe steel pipes is drawn pine with it, thereby guarantees crossbeam, connecting rod, speed reducer and even whole pumping unit do not go to pot.(2) crossbeam bearing support 39 is provided with four screws, and is furnished with four bolts 40 and passes bolt hole and hold out against on the walking beam lower wing plate, is adjacent to the roll-over protective structure top board up to the snap ring of holding tightly on the safety steel pipe.At this moment, to rely on the frictional force transferring power between snap ring and safe steel pipe under the pumping unit normal working, carry, can play the safety protection effect immediately in case lose.
Also available spring of safe steel pipe 42 or elastic elements such as rubber plate, wood that described mistake is carried in the protective gear 29 substitute.
Lose to carry and to hold flushing device 30 and be mounted in one group of cement block, wooden unit and rubber cushion on the pumping unit chassis, carry and when cutting off the power supply of power engine 11, the bottom of following inclined to one side equilibrium block/case 15 is hit to lean against to lose to carry and held on the flushing device, and pumping unit is played double protection when horse head loses.
Present embodiment also is provided with the lift device of being made up of lifting motor and lifting retarder 58.Referring to Fig. 6, this lift device with the connecting mode of pumping unit is: the outer end that the belt wheel of power engine 11 axle heads of pumping unit tightens up nut 55 is shaped on rectangular recess M, be shaped on rectangular recess N with end face outside the joint sleeve 57 of lifting retarder 58 output shaft fixed connections, a cross plate 56 is set, its two side ends has been worn orthogonal rectangle projection P, Q, and this rectangle projection P, Q embed respectively among described rectangular recess M, the N, thereby constitute a unsteady cross plate coupling between lifting retarder 58 is with the small pulley of pumping unit belt driver.The input shaft end of lifting retarder 58 is associated with the lifting motor, when horse head unloads, cuts off the power of power engine 11, starts the lifting motor, just balancing mass slowly can be lifted; Lifting input shaft of speed reducer end also can connect a handgrip, manually rotates handgrip and can lift balancing mass equally.
Also can cancel cross plate 56 and joint sleeve 57, Dai Yilian (band) driving mechanism: belt wheel tightens up and is with a chain (band) wheel on the nut 55, also be with a chain (band) wheel on lifting retarder 58 output shafts, connect above-mentioned two chains (band) wheel with chain (band) and constitute chain (band) driving mechanism.
Described lift device is parts of pumping unit, but also can be designed to a separate accessories of pumping unit.
The described connection horse head 5 of present embodiment is hung location brake mechanism and lift device with the hinge of walking beam 3, applicable to the beam-pumping unit of various employing sheet horse heads.The described rope band traction of present embodiment positioning equilibrium block/box device of adjustment at random, mistake are carried protective gear and are lost to carry and hold flushing device, applicable to the beam-pumping unit of inclined to one side balance mode under the various employings.They all should be listed among the claim of the present invention.
Embodiment two.Referring to Fig. 7, present embodiment and embodiment one (Fig. 1) are relatively, difference is to be provided with quick coupling mechanism between inclined to one side equilibrium block/case 15 homostasis arms 16 down---be affiliated to mechanism: the equilibrium block/case hinge with slotted eye C that is being connected on the outside wing plate of balance arm 16 is hung supporting base 33, the top of inclined to one side equilibrium block/case 15 hangs key seat 35 by the equilibrium block/case that is connected with it and is equipped with equilibrium block/case extension pin 34 down, and these extension pin 34 cards hang among the described slotted eye C; Equilibrium block/case location the seat 36 that is being connected on balance arm 16 lower ends or its extending body and is being provided with pressure-bearing pad 37, the side of equilibrium block/case 15 or bottom surface abut on the table plane D of described pressure-bearing pad 37.
Connect that the mechanism that is affiliated to of inclined to one side equilibrium block/case 15 homostasis arms 16 can be by multiple scheme implementation down, Fig. 8 to Figure 11 has illustrated four kinds of embodiments, though their profiles are variant, and meaning and to act on be the same.
Be noted that the slotted eye C of equilibrium block/case hinge extension supporting base 33, the slotted eye A that hangs supporting base 24 with the balance arm hinge is the same, can be U-shaped, rectangle, L type, also can be circular.
Equilibrium block/case is hung pin 34, and is the same with balance arm extension pin 23, can be cylindrical, also can be the socket cap four bank or ridge (Fig. 2) of two ends band socket cap.
Embodiment three.Referring to Figure 12, it and embodiment's one difference is to have cancelled the following inclined to one side equilibrium block/case that connects or combine as a whole with balance arm 16 Fast Activities, and inclined to one side balancing mass has adopted the sheet structure 45,46 of a plurality of band rectangular openings under the walking beam, they are ridden and are enclosed within on the balance arm 16, are called and ride nested structure.Main partially balancing patch 45, down secondary partially balancing patch 46 and balance arm 16 is fixed down, can adopt traditional Bolt Connection, also can make the depth of section of the height of balancing patch 45,46 rectangular openings greater than balance arm, make the bigger neutral gear of formation therebetween, insert simple and easy jack (being to be rotary with a thicker nut 48 on the bolt 47) and hold out against.Also can insert simple and easy jack between the major and minor partially balancing patch 45,46 down, following main partially balancing patch then is located on the base plate of balance arm 16.
If only see the tail end of balance arm in the curved walking beam, present embodiment is exactly existing beam balance, but introduce balance arm and form curved walking beam structure, brand-new implication has just been arranged: the beam travelling supporting center is with the line at walking beam and the hinged center of crossbeam, or the horse head cambered surface symmetrical line at mistake beam travelling supporting center, be defined as the walking beam line of action, the center line of curved walking beam becomes polyline shaped, the barycenter of its tail end balancing mass is positioned under the walking beam line of action, so it no longer has been common beam balance, but moving device under a kind of brand-new beam balance quality.
Embodiment four.Referring to Figure 13, it and embodiment's one difference, just the adjustment device has adopted the sand storage positioner at random: walking beam 3 middle part inner chambers are separated out a walking beam sand storage 49, filling sand wherein, a walking beam sand storage sand removing hole 50 and a walking beam sand storage sand removing hole door 51 towards tandem-driving bogie 15 opened in the bottom of walking beam sand storage 49, the filling sand is a balancing mass in the inclined to one side tandem-driving bogie 15 down, its outer side wall is established tandem-driving bogie sand removing hole 53 and tandem-driving bogie sand removing hole door 54, and be provided with the relay of handling tandem-driving bogie sand removing hole door 54 and walking beam sand storage sand removing hole door 51, control relay can from the walking beam sand storage, add sand in the downward bias tandem-driving bogie or from following inclined to one side tandem-driving bogie to effluent sand, thereby the adjustment quality makes pumping unit reach the optimum balance state at random.
Down the top of inclined to one side tandem-driving bogie 15 does not also have one to add sand hopper 52, is used for the downward bias tandem-driving bogie when adjusting balance at the pumping unit initial stage to add sand.Walking beam sand storage 49 also is provided with and adds sand hopper, is used for adding when pumping unit is installed sand and regular replenishment.
Arm-type each embodiment of two-stage balanced beam-pumping unit of balance of the present invention all adopts the front-located mode structure, also can adopt rear-mounted, as long as connecting rod 2 be arranged on the tail end of walking beam 3 with the articulating point of walking beam 3 or be arranged on the seat 19 of balance arm location.Just obtained the rear-mounted arm-type two-stage balanced beam-pumping unit of balance.
So far, all back-crank pumping units, speed reducer all places in the middle of the support, and arm-type each embodiment of two-stage balanced beam-pumping unit of balance of the present invention has adopted the speed reducer external structure: the gantry base of pumping unit is overhanging and be to horse head one side
Shape, speed reducer place on this overhanging end of base, thereby speed reducer is positioned at outside the pumping unit support.This structure helps the maintenance of speed reducer.Certainly, also can adopt speed reducer to be positioned at the middle layout structure of support.
Positioner among arm-type each embodiment of two-stage balanced beam-pumping unit of balance of the present invention, available handwheel (handgrip) control, the control of useable electric moter (relay) crawl, also available computer is carried out and is followed the tracks of regulation and control.
Claims (10)
1, the arm-type two-stage balanced beam-pumping unit of balance mainly comprises:
A power engine 11;
A speed reducer 8;
One cover drives the belt driver 10 of speed reducer for power engine;
One cover is the crankrocker mechanism that walking beam 3 and frame 4 are formed by main crank 1, connecting rod 2, rocking bar, wherein main crank 1 is fixed with reduction unit output shaft 13, walking beam 3 is lived with the top of frame 4 by beam travelling supporting 7 and is cut with scissors, one end of connecting rod 2 and main crank 1 are lived and are cut with scissors, and the other end is by crossbeam 6 and walking beam 3 hinges alive;
The curved walking beam system of one cover comprises curved walking beam, is connected in the horse head 5 of curved walking beam front end, and the following inclined to one side equilibrium block/case 15 that is connected in curved beam travelling tail end;
One cover one-level Equilibrator comprises crank balance, beam balance or their combined balance system;
One cover secondary Equilibrator comprises inclined to one side balance or their combined balance system under 2 ω crank balances, the walking beam;
An one cover rope hanger 14 and a cover braking device 12;
It is characterized in that:
Described curved walking beam is connected with walking beam 3 by balance arm 16 and forms, and has a quick coupling mechanism at least in the described curved walking beam system.
2, according to the arm-type two-stage balanced beam-pumping unit of a kind of balance of claim 1, it is characterized in that described quick coupling mechanism is the mechanism that is affiliated to that connects balance arm 16 and walking beam 3: the balance arm hinge with slotted eye A that is being connected on the upper flange of walking beam 3 tail ends is hung supporting base 24, the top of balance arm 16 directly or by the balance arm extension key seat 22 that is connected with it is equipped with the balance arm extension pin 23 vertical with the balance arm web, and these extension pin 23 hinges hang among the described slotted eye A; And, the balance arm location seat 19 that is being connected on the lower wing plate of walking beam 3 tail ends and is being provided with pressure-bearing pad 31, the inboard wing plate of balance arm 16 abuts on the outer side plane B of described location seat pressure-bearing pad 31.
3, according to the arm-type two-stage balanced beam-pumping unit of a kind of balance of claim 1, it is characterized in that described quick coupling mechanism is the mechanism that is affiliated to that connects down inclined to one side equilibrium block/case 15 and balance arm 16: the equilibrium block/case hinge with slotted eye C that is being connected on the outside wing plate of balance arm 16 is hung bearing 33, the top of equilibrium block/case 15 hangs free bearing 35 by the equilibrium block/case that is connected with it and is equipped with equilibrium block/case extension pin 34, and these extension pin 34 cards hang among the described slotted eye C; Equilibrium block/case location the seat 36 that is being connected on balance arm bottom or its extending body and is being provided with pressure-bearing pad 37, the side of equilibrium block/case 15 or bottom surface abut on the table plane D of described pressure-bearing pad 37.
4, according to claim 1,2,3 the arm-type two-stage balanced beam-pumping unit of a kind of balance, it is characterized in that described hinge hangs slotted eye A, the C of supporting base 24,33, its section shape is circle, O shape, rectangle or L shaped; The profile of described extension pin 23,34 is cylindrical bodys, or two ends have the four bank or ridge of socket cap, the cross section of this four bank or ridge is a rectangle, and slotted eye A, the C rectangular, L shaped with described section shape engage, and the socket cap at two ends then cooperates with the cylindrical hole of hanging key seat 22,35.
5, according to the arm-type two-stage balanced beam-pumping unit of a kind of balance of claim 1, it is characterized in that described quick coupling mechanism is to connect horse head 5 to hang the location brake mechanism with the hinge of walking beam 3: the top of walking beam 3 front end upper flanges, the horse head hinge with U-shaped or rectangle groove G that is being connected is hung supporting base 27, vertical its side plate horse head that is being connected is hung pin 28 on the horse head 5, these extension pin 28 hinges hang among the described groove G: the below of walking beam front end lower wing plate, the horse head location seat 25 of the gib head rectangle groove H that has upward opening is being connected, be fixed with horse head location lock bearing pin 38 on the side plate of horse head 5, extend the rectangle groove J that is provided with upward opening on another side plate, the horse head location lock 26 that a cross section is arranged is rectangle, the one end is hinged with horse head 5 by described bearing pin 38, the other end is stuck in and extends on another side plate of horse head among the rectangle groove J that is provided with, and its middle part then is stuck among the gib head rectangle groove H of described horse head location seat 25.
6, according to the arm-type two-stage balanced beam-pumping unit of a kind of balance of claim 1, it is characterized in that described quick coupling mechanism is a kind of nested structure of riding that connects following major and minor partially balancing patch 45,46 and balance arm 16: balancing patch 45,46 has rectangular opening, and they are ridden and are enclosed within on the balance arm 16.
7, according to the arm-type two-stage balanced beam-pumping unit of a kind of balance of claim 1, it is characterized in that being provided with a kind of rope band traction positioning equilibrium block/box device of adjustment at random: a positioning equilibrium block/case 17 of joining with the inner chamber or the outer wall cunning of balance arm 16 is arranged, it directly or by a sheave block hangs with rope band 18, the other end of this rope band 18 is wrapped on the reel 21 that is positioned at balance arm 16 top boards top, also fixing a retarder 20 on the top board of balance arm 16, suit reel 21 or is connected with the rotating shaft of reel 21 on the low speed output shaft of this retarder 20, and the high speed input shaft then directly or by a belt driver connects with handwheel or motor.
8, according to the arm-type two-stage balanced beam-pumping unit of a kind of balance of claim 1, it is characterized in that being provided with a kind of device of adjustment at random of sand storage positioner: walking beam 3 middle part inner chambers are separated out a walking beam sand storage 49, filling sand wherein, the bottom of sand storage 49 has the walking beam sand storage sand removing hole 50 that leads to following inclined to one side tandem-driving bogie and is provided with walking beam sand storage sand removing hole door 51, the filling sand is a balancing mass in the inclined to one side tandem-driving bogie 15 down, its outer side box wall is established tandem-driving bogie sand removing hole 53 and tandem-driving bogie sand removing hole door 54, and is provided with the relay of handling tandem-driving bogie sand removing hole door 54 and walking beam sand storage sand removing hole door 51.
9, according to the arm-type two-stage balanced beam-pumping unit of the balance of claim 1, it is characterized in that being provided with the lift device of forming by lifting motor and lifting retarder 58, this lift device with the bind mode of pumping unit is: the outer end that the belt wheel of power engine 11 axle heads of pumping unit tightens up nut 55 is shaped on rectangular recess M, end face is shaped on rectangular recess N outside the joint sleeve 57 that connects firmly with the lifting reducer output shaft, a cross plate 56 is set, its both sides end face is shaped on orthogonal rectangle projection P, Q, and this rectangle projection P, Q embed respectively among described rectangular recess M, the N; Perhaps: described belt wheel tightens up and is with a chain/belt wheel on the nut 55, also is with a chain/belt wheel on the output shaft of lifting retarder 58, with chain/band they is linked up, and constitutes a chain/tape handler.
10, according to the arm-type two-stage balanced beam-pumping unit of a kind of balance of claim 1, it is characterized in that adopting the speed reducer external structure: the base of pumping unit is overhanging to horse head one side, and speed reducer places on this overhanging end of base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96201421 CN2289075Y (en) | 1996-01-09 | 1996-01-09 | Balanced arm type two-stage beam-balanced pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96201421 CN2289075Y (en) | 1996-01-09 | 1996-01-09 | Balanced arm type two-stage beam-balanced pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2289075Y true CN2289075Y (en) | 1998-08-26 |
Family
ID=33887698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96201421 Expired - Fee Related CN2289075Y (en) | 1996-01-09 | 1996-01-09 | Balanced arm type two-stage beam-balanced pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2289075Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001000991A1 (en) * | 1999-06-25 | 2001-01-04 | Shaokui Yan | An oil pumping unit |
| WO2001055552A1 (en) * | 2000-01-06 | 2001-08-02 | Pucheng Wang | An oil pumping unit with a counterweight whose centroid can be adjusted |
| WO2004001185A1 (en) * | 2002-06-20 | 2003-12-31 | Zhiping Zhang | A pumping unit with a curved and folded walking beam |
| CN101892819A (en) * | 2010-07-26 | 2010-11-24 | 董兰田 | Front power-balanced beam-pumping unit |
| CN104088610A (en) * | 2014-04-15 | 2014-10-08 | 吕传庆 | Pumping unit with novel driving mechanism |
-
1996
- 1996-01-09 CN CN 96201421 patent/CN2289075Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001000991A1 (en) * | 1999-06-25 | 2001-01-04 | Shaokui Yan | An oil pumping unit |
| WO2001055552A1 (en) * | 2000-01-06 | 2001-08-02 | Pucheng Wang | An oil pumping unit with a counterweight whose centroid can be adjusted |
| WO2004001185A1 (en) * | 2002-06-20 | 2003-12-31 | Zhiping Zhang | A pumping unit with a curved and folded walking beam |
| CN101892819A (en) * | 2010-07-26 | 2010-11-24 | 董兰田 | Front power-balanced beam-pumping unit |
| CN104088610A (en) * | 2014-04-15 | 2014-10-08 | 吕传庆 | Pumping unit with novel driving mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Wang Pucheng Document name: Notice of termination |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |