CN201963272U

CN201963272U - Energy-saving fully-balanced pumping unit

Info

Publication number: CN201963272U
Application number: CN2011200581463U
Authority: CN
Inventors: 肖忠发
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-03-08
Filing date: 2011-03-08
Publication date: 2011-09-07
Anticipated expiration: 2021-03-08

Abstract

The utility model relates to an energy-saving fully-balanced pumping unit. One end of a walking beam is hinged at the upper part of a bracket, and a horse head is installed at the other end of the walking beam; a balancing device is installed at the front part of the walking beam; a power device and a speed reducer are installed at the lower part of the bracket; an output shaft of the speed reducer is hinged with one ends of each of push-pull rods through cranks, and the other ends of each of the push-pull rods are hinged with the middle of the walking beam; a braking device is installed on an input shaft of the speed reducer; and the balancing device comprises a movable pulley installed in the middle of the walking beam, fixed pulleys installed at the front part and the rear part at the top end of the bracket, a wire rope core rubber belt and a counterweight, wherein one end of the wire rope core rubber belt is connected with the upper part of the bracket, and the other end of the wire rope core rubber belt is connected with the counterweight after rounding the movable pulley and the two fixed pulleys. The energy-saving fully-balanced pumping unit has the advantages that reducing the matching power is the key of the energy saving for the year-round non-stopping pumping unit; compared with the conventional crank balance type beam pumping unit, the energy-saving fully-balanced pumping unit can save electricity by more than 60 percent; and the energy-saving fully-balanced pumping unit has a reasonable structure, is easily adjusted in balance without stopping, and is secure and reliable and smooth in running.

Description

Full balancing energy-saving oil pumping machine

Technical field

The utility model relates to a kind of energy-saving pumping unit, is a kind of energy-efficient, the safe and reliable oil pumper that designs at oil field conventional pumping unit high energy consumption problem.

Background technology

At present, widely used in the oil field operation is the crank balance beam pumping unit.The subject matter that this type exists has 2 points: the one, and efficient is low, the energy consumption height, waste of energy is huge; The 2nd, adjust the balance difficulty, shutting down to adjust influences output.Therefore, developing energy-saving durable, full-balance oil pumper will be to energy-saving and emission-reduction, reduce cost for oil production be significant.

Summary of the invention

The purpose of this utility model provides a kind of full balancing energy-saving oil pumping machine, and is low to solve the efficient that exists on the prior art, the energy consumption height, and waste of energy is huge; Adjustment balance difficulty is shut down the problem that influences output of adjusting.

The utility model has adopted following technical scheme: a kind of full balancing energy-saving oil pumping machine, an end of hinged walking beam on the walking beam bearing of mid-stent, the other end at this walking beam is equipped with horse head, bascule is equipped with in the front portion of this walking beam, power set and the reducer that is in transmission connection mutually is housed in the bottom of described support, the output shaft of this reducer is hinged by an end of crank and pull bar, and the other end of this pull bar and the middle part of this walking beam are hinged; In this input shaft of speed reducer brake gear is housed, it is characterized in that, described bascule comprises the movable pulley that is installed in this walking beam middle part, be installed in the fixed pulley of the front and back position of this cantilever tip, Steel cord rubber strip and counterweight, one end of Steel cord rubber strip is connected with the top of support, and the other end is connected with counterweight after walking around movable pulley and two fixed pulleys successively, and this counterweight is slidingly connected with the counterweight slideway that vertically is provided with.

Described reducer comprises: be set side by side with power shaft and output shaft in casing, be provided with the axle of passing a bridge between this power shaft and output shaft; Fixedly mount input shaft gear on this power shaft, rotate external toothing and planet carrier in the installation respectively on the power shaft of these input shaft gear both sides, the opposite side of this planet carrier is connected with the planet carrier gear; On this planet carrier, be fixed with a plurality of planet axis, planetary gear rotate to be installed on the planet axis, this planetary gear respectively with the ring gear engagement of input shaft gear and interior external toothing; On the axle of passing a bridge, be rotatablely equipped with the first duplex carrier gear and the second duplex carrier gear of coaxial connection, this first duplex carrier gear and described planet carrier gears engaged; First output gear and second output gear are housed, the external toothing engagement of this first output gear and described interior external toothing on output shaft; This second output gear and the engagement of the described second duplex carrier gear.

Described movable pulley and two fixed pulleys are single or double being symmetrical arranged.

Described crank and pull bar are two, be arranged in parallel symmetrically, and an end of two cranks is connected with the two ends of described reducer output shaft respectively.

Technique effect of the present utility model is:

1, to not stopping the oil pumper of continuous operation, reducing mating power is energy-conservation key throughout the year.The design compares with existing crank balance beam pumping unit, can economize on electricity more than 60%.

2, rational in infrastructure, adjust balance easily, do not need to shut down and adjust, safe and reliable, operate steadily.

Description of drawings

Fig. 1 is a general structure schematic diagram of the present utility model;

Fig. 2 be reducer structure of the present utility model and with the connection diagram of crank;

Fig. 3 is a horizontal double assembly pulley schematic diagram of the present utility model (vertical view of Fig. 1);

Fig. 4 is one of fundamental diagram of the present utility model (crank is positioned at top dead centre);

Fig. 5 is two (crank is positioned at lower dead center) of fundamental diagram of the present utility model.

The specific embodiment

Referring to Fig. 1～Fig. 5, the structure of this embodiment of the utility model is: at an end of the hinged walking beam 4 in middle part of the walking beam bearing 3 on support 2 tops, at the other end of this walking beam 4 horse head 6 is housed, is connected with sucker rod 23 by lifting rope 22 on horse head 6.Bascule is equipped with in the front portion of this walking beam 4, and power set 18 and reducer 8 are housed in the bottom of described support 2, and reducer 8 is installed in the top of reducer seat 7.Be in transmission connection by V belt between the belt pulley 19 on power shaft one end of power set 18 and reducer 8.The other end at the power shaft of reducer 8 is equipped with and brake gear 20.Each is connected the output shaft two ends of this reducer 8 with an end of a crank 9, and an end of the other end of crank 9 and pull bar 11 is hinged, and the two ends of the crossbeam 5 at the other end of this pull bar 11 and this walking beam 4 middle parts are hinged.

Described bascule comprises a pair of movable pulley 13 that is installed in these walking beam 4 front part sides, be installed in two pairs of fixed pulleys 12 of the front and back position (right side among Fig. 1 and left side) on these support 2 tops, Steel cord rubber strip 14 and counterweight 15, one end of Steel cord rubber strip 14 is connected with the top of support 2, the other end is walked around movable pulley 13 successively and is connected with counterweight 15 with two fixed pulleys, 12 backs, this counterweight 15 is slidingly connected with the counterweight slideway 16 that vertically is provided with, and is provided with counterweight guardrail 17 below counterweight 15.Support 2 bottoms are fixed on the base 1.

Referring to Fig. 2, described reducer 8 comprises: be set side by side with power shaft 84 and output shaft 91 in casing 81, be provided with the axle 89 of passing a bridge between this power shaft 84 and output shaft 91; Fixed installation input shaft gear 85 on this power shaft 84 rotates external toothing 82 and planet carrier 86 in the installation, the opposite side of this

planet carrier

86 and 87 coaxial connections of planet carrier gear respectively on the power shaft 84 of these input shaft gear 85 both sides.Be fixed with three or four planet axis 80 on this planet carrier 86, each rotate to install a planetary gear 83 on each planet axis 80, this planetary gear 83 respectively with the ring gear engagement of input shaft gear 85 and interior external toothing 82.On the axle 89 of passing a bridge, be rotatablely equipped with the first duplex carrier gear 88 and the second duplex carrier gear 90 of coaxial connection, this first duplex carrier gear 88 and described planet carrier gear 87 engagements.First output gear 93 and second output gear 92 are housed on output shaft 91, and this first output gear 93 meshes with the external toothing of described interior external toothing 82; This

second output gear

92 and 90 engagements of the described second duplex carrier gear.

Described movable pulley 13 and two fixed pulleys 12 are single or double being symmetrical arranged.Shown in Figure 3 is double symmetrically arranged structure.Described crank 9 and pull bar 11 are two, be arranged in parallel symmetrically, and an end of two cranks 9 is connected with the two ends of the output shaft 91 of described reducer 8 respectively.

Reducer 8 is when work, power set drive power shaft 84 and input shaft gear 85 rotates, external toothing 82 and planet carrier gear 87 rotated in input shaft gear 85 drove by planetary gear 83, and planet carrier gear 87 drives 92 engagements of second output wheel by the first duplex idler 88 and the second duplex idler 90; And interior external toothing 82 drives first external tooth and gear 93 rotates.Thereby form two outgoing routes, realize variable motion.

Referring to Fig. 4 and Fig. 5, operating principle of the present utility model is described as follows:

During work, power set 18 drag the power shaft running of reductor 8 through the V-belt, and reducer 8 output shafts drive crank 9 and rotate (horse head is when the right side) in the direction of the clock, by pull bar 11 reciprocating sliding campaigns walking beam 4 are swung up and down.When on the walking beam 4 during pendular motion, counterweight 15 falling bodies gravity apply one and promote moment and make on the walking beam 4 pendulum and pump; During 4 times pendular motions of walking beam, sucker rod 23 falls, the oil-feed of oil pumper piston, and simultaneously, counterweight 15 is raised the savings potential energy.Above-mentioned action constantly goes round and begins again, thereby realizes the oil pumping operation.

The utility model also has following characteristics:

1, changes the crank balance mode of crank balance beam pumping unit, directly be connected by wire-core rubber strip 14, fixed pulley 12 (single or double), movable pulley 13 (single or double), form full balanced design structure with walking beam 4 front ends by counterweight 15.This counter weight construction can be recycled polished rod falling gravity merit in 100% ground, reduces driving force significantly, can reduce by 60% power disposition, reaches energy-conservation effect.Simultaneously, adopt assembly pulley mechanism, can produce trimming moment at double with less counterweight, both economical with materials reduces the load of Steel cord rubber strip 14 again.

2, adopt the design of prefix type walking beam, solve the problem of " tracking balance " in the mechanism kinematic effectively.Trimming moment is changed with the oil pumping operating mode, promptly during upstroke from large to small, help oil pumping; Change from small to big during down stroke, help polished rod and fall after rise, realized the effect of tracking balance, reduced the reductor acting.

3, adopt the forward type driving mechanism, driving mechanism is preposition, can reduce reducer 8 peak torques and motor power (output), the essentially no reverse load of the gear of reducer 8, indefatigability such as pull bar 11 and walking beam 4 are damaged, and mechanical wear is few, operates steadily, machine life is long, can satisfy various model oil pumper stroke designing requirement.The design's walking beam 4 radius of gyration long more or crank 9 is bigger, and the stroke of oil pumper is just big more.

4, adopt four column type fuselages (support 2) structure, can reduce complete machine length significantly.This structure, the fuselage good stability, floor space is little, and processing is simple.Be particularly suitable for long stroke, big type use.In the structure, support 2 has carried whole oil pumping loads and counterweight load.Each parts of driving mechanism (comprising reductor 8, crank 9, pull bar 11 etc.) are stressed little, and the life-span is long, has increased substantially the application life of reductor.Both reached purpose of energy saving, and made complete machine realize sturdy durable, safe and reliable target again.

5, little type adopts single assembly pulley mechanism, and large-scale computer adopts double assembly pulley design.Counterweight 15 connects selects Steel cord rubber strip 14 for use, the good many wire rope (∮ 4.5～∮ 7) of this band employing bending fatigue strength with 4mm uniformly at intervals and apply identical pretension, the good rubber of outsourcing weatherability is through sulfidization molding.For strengthening the pressure-bearing surface life-span, be added with pressure-bearing anticracking bed course at pressure-bearing surface, the two ends connector adopts heat to irritate plumbous connectivity scenario, guarantees that it has excellent anti-bending, endurance life and bonding strength.The length of the quantity of wire rope, encapsulate layer thickness and band is selected design according to different type of machines, makes complete machine more safe and reliable, and is durable.

6, adopt different shaft type planetary reduction gear design, make output that two outgoing routes be arranged by planetary gear and input shaft gear, as long as output shaft has load to exist, input torque can pass through two outgoing route balanced loads, become resistance into power output, slow down and purpose of energy saving thereby reach.This reducer has the characteristics of " large speed ratio, big torque, small size ", and length reduces 30% than cylinder gear speed reducer.Because core cell is multiple tooth engagement simultaneously, therefore, reducer not only has impact-resistant characteristics, and reliable operation, operates steadily, and noise is low, and the life-span is long.Be applicable to working continuously under the various field conditions.Under the equal conditions of traditional speed change, can economize on electricity more than 10%, load is big more, and power savings is remarkable more.

Claims

1. full balancing energy-saving oil pumping machine, go up an end of hinged walking beam (4) at the walking beam bearing (3) on support (2) top, the other end at this walking beam (4) is equipped with horse head (6), bascule is equipped with in the front portion of this walking beam (4), power set (18) and the reducer (8) that is in transmission connection mutually is housed in the bottom of described support (2), the output shaft of this reducer (8) is hinged by an end of crank and pull bar (11), and the middle part of the other end of this pull bar (11) and this walking beam (4) is hinged; Power shaft at this reducer (8) is equipped with brake gear (20), it is characterized in that, described bascule comprises the movable pulley (13) that is installed in this walking beam (4) front portion, be installed in the fixed pulley (12) of the front and back position on this support (2) top, Steel cord rubber strip (14) and counterweight (15), one end of Steel cord rubber strip (14) is connected with the top of support (2), the other end is walked around movable pulley (13) successively and is connected with counterweight (15) with two fixed pulleys (12) back, and this counterweight (15) is slidingly connected with the counterweight slideway (16) that vertically is provided with.

2. full balancing energy-saving oil pumping machine according to claim 1, it is characterized in that, described reducer (8) comprising: be set side by side with power shaft (84) and output shaft (91) in casing (81), be provided with the axle (89) of passing a bridge between this power shaft (84) and output shaft (91); Go up fixed installation input shaft gear (85) at this power shaft (84), rotate external toothing (82) and planet carrier (86) in the installation on the power shaft (84) of this input shaft gear (85) both sides respectively, the opposite side of this planet carrier (86) is connected with planet carrier gear (87); Be fixed with a plurality of planet axis (80) on this planet carrier (86), planet axis (80) go up to rotate is installed planetary gear (83), and this planetary gear (83) meshes with the ring gear of input shaft gear (85) and interior external toothing (82) respectively; On the axle (89) of passing a bridge, be rotatablely equipped with the first duplex carrier gear (88) and the second duplex carrier gear (90) of coaxial connection, this first duplex carrier gear (88) and described planet carrier gear (87) engagement; First output gear (93) and second output gear (92) are housed on output shaft (91), and this first output gear (93) meshes with the external toothing of described interior external toothing (82); This second output gear (92) and the described second duplex carrier gear (90) engagement.

3. full balancing energy-saving oil pumping machine according to claim 1 is characterized in that, described movable pulley (13) and two fixed pulleys (12) are single or double being symmetrical arranged.

4. full balancing energy-saving oil pumping machine according to claim 1, it is characterized in that, described crank (9) and pull bar (11) are two, be arranged in parallel symmetrically, and an end of two cranks (9) is connected with the two ends of described reducer (8) output shaft respectively.