CN211008582U - Beam-pumping unit of super large stroke and load - Google Patents
Beam-pumping unit of super large stroke and load Download PDFInfo
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- CN211008582U CN211008582U CN201921537397.2U CN201921537397U CN211008582U CN 211008582 U CN211008582 U CN 211008582U CN 201921537397 U CN201921537397 U CN 201921537397U CN 211008582 U CN211008582 U CN 211008582U
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- walking beam
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Abstract
The embodiment of the utility model discloses beam-pumping unit of super large stroke and load, including base and support the other end of base is outwards equipped with crank shaft, reduction gear and motor in proper order by the support, the motor passes through the belt and is connected with the reduction gear, the reduction gear is connected with the connecting rod through the crank shaft, the support top is installed the walking beam through the support axle of fixed mounting, the horse head and balanced balancing weight are installed respectively to the walking beam both ends, and install the crossbeam on the walking beam that lies in balanced balancing weight one end, use the torque factor as the objective function, optimize and calculate beam-pumping unit geometric parameters; the utility model discloses an use the torque factor to carry out the optimization of pertinence as objective function to obtain the exact optimization result of beam-pumping unit, and use the geometric parameters of beam-pumping unit with the result of optimizing, and optimize interval sign strip and sign section through setting up, be convenient for adjust the geometric parameters of beam-pumping unit according to the result after optimizing, with the actual work effect that improves the beam-pumping unit.
Description
Technical Field
The embodiment of the utility model provides a beam-pumping unit of super large stroke and load relates to beam-pumping unit technical field, concretely relates to.
Background
The conventional beam-pumping unit as the main tool for oil extraction in oil field is widely used in various oil fields because of its reliable and durable characteristics. The basic working principle of the beam-pumping unit is that a motor rotates to provide power for an input shaft of a speed reducer through a belt, and the rotating power output by an output shaft of the speed reducer converts rotating motion into repeated linear motion through a crank, a connecting rod, a walking beam, a horse head and other components, so that the oil-pumping unit in an oil well is driven to work to realize an oil pumping function. Suspension point load, stroke length, stroke frequency and reducer torque are the most basic parameters for representing the pumping performance of the pumping unit, and the maximum stroke of the beam-pumping unit in the current market is 240in (6.1 m).
Although the basic structure and the basic principle of the beam-pumping unit in the prior art are similar, in practical application, the beam-pumping unit determines the power performance of the beam-pumping unit due to the change of the geometric parameters of the beam-pumping unit, and the energy consumption of the beam-pumping unit is also influenced. The maximum torque factor and the maximum acceleration of the suspension point are two indexes for measuring the power performance of the pumping unit, the magnitude of the torque factor directly influences the magnitude of the maximum torque of a crankshaft, and simultaneously, the shapes of a torque factor curve and a crankshaft torque curve are determined, and the acceleration of the suspension point is influenced.
Under the prior art, the geometric parameters of the pumping unit often depend on actual test or processed data accumulation, and cannot be subjected to targeted optimization calculation according to actual conditions, and the optimal geometric parameter optimization result cannot be obtained through optimization calculation, and cannot be directly subjected to rapid and accurate adjustment according to the optimized result.
Disclosure of Invention
Therefore, the embodiment of the utility model provides a beam-pumping unit of super large stroke and load carries out optimization calculation to beam-pumping unit through the mode of setting for objective function to confirm concrete parameter, with the operation effect that improves the beam-pumping unit, with the problem of solving among the prior art and can't carrying out the pertinence optimization calculation according to actual conditions.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:
a walking beam type pumping unit with ultra-large stroke and load comprises a base and a support fixedly mounted at the end part of the base, wherein a crank shaft, a speed reducer and a motor are sequentially arranged at the other end of the base from the support outwards, the motor is connected with the speed reducer through a belt, the speed reducer is connected with a connecting rod through the crank shaft, a walking beam is mounted at the top of the support through a support shaft fixedly mounted, a horse head and a balance weight block are respectively mounted at two ends of the walking beam, a cross beam is mounted on the walking beam at one end of the balance weight block, and the cross beam is connected with the connecting rod;
the method comprises the following steps of taking a torque factor as a target function, and optimally calculating geometrical parameters of the pumping unit:
the distance from the center line of the upper bracket shaft of the walking beam to the center line of a wellhead is 6706-6846 mm;
the distance from the center line of the bearing of the upper bracket of the walking beam to the center line of the cross beam is 3447-3530 mm;
the horizontal distance between the center line of the upper bracket shaft of the walking beam and the center line of the crank shaft is 3419-3530 mm;
the length of the connecting rod is P7069-7251 mm;
the distance between the center line of the upper bracket shaft of the walking beam and the surface of the base is 10361-10480 mm;
the distance from the center of the crank shaft to the surface of the base is 3199-3284 mm;
the radius of the crank shaft is 1762-1920 mm.
As the utility model discloses an optimal scheme, be provided with on base and the walking beam and optimize interval sign strip, just be provided with the sign section on optimizing interval sign strip respectively.
As a preferred scheme of the utility model, be provided with on the base and lift the board, just lift the board with be equipped with the slider between the base, the slider both sides cover is established on the base, and is in through hydraulic pressure column connection between slider and the lifting board.
As an optimized scheme of the utility model, the top fixed mounting of horse head has the tip of polished rod eye the horse head is the semiarc face, just is in the center of horse head is equipped with the holding tank, the polished rod eye is established slide in the holding tank.
As an optimized scheme of the utility model, the bottom of walking beam is equipped with the slide rail, and is in the slide rail endotheca is equipped with two sets of seats that slide, slide on the seat be equipped with the jack catch of slide rail block, it is two sets of slide on the seat respectively with prop shaft and crossbeam are connected.
As an optimized scheme of the utility model, the walking beam both ends all are equipped with well cavity, well cavity internal surface fixed mounting has the fixed rack that sets up along the axial, and be in well cavity in be equipped with fixed rack meshing's movable rack.
As an optimized scheme of the utility model, be located both ends move the rack both ends respectively with the horse head with balanced balancing weight fixed connection, just the horse head with balanced balancing weight cover is established on the walking beam.
As an optimized scheme of the utility model, the support is piled up in proper order by a plurality of standard festival and is connected formation overall structure, and is being located the top install the landing slab on the standard festival, the support axle is installed on the landing slab.
The utility model discloses an embodiment has following advantage:
(1) the utility model discloses an use the torque factor to carry out the optimization of pertinence as objective function to obtain the exact optimization result of beam-pumping unit, and in applying the geometric parameters of beam-pumping unit with the result of optimizing, adjust through the optimization result within range at this geometric parameters, with the actual work effect that improves beam-pumping unit;
(2) the utility model discloses a setting optimizes interval sign strip and sign section, is convenient for adjust the geometric parameters of beam-pumping unit according to the result after optimizing.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic diagram of a frame structure according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of geometric parameters in an embodiment of the present invention;
fig. 3 is a schematic view of the overall structure in the embodiment of the present invention.
In the figure: 1-a base; 2-a scaffold; 3-crankshaft; 4-a reducer; 5-an electric motor; 6-connecting rod; 7-a support shaft; 8-a walking beam; 9-donkey head; 10-balancing the counterweight block; 11-a cross beam; 12-a polished rod eye; 13-lifting the plate; 14-optimizing interval identification bars; 15-identification segment;
101-standard section; 102-a platform board;
801-a slide rail; 802-a sliding seat; 803-jaws; 804-a hollow cavity; 805-a fixed rack; 806-moving rack;
901-accommodating grooves.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, the utility model provides a beam-pumping unit of super large stroke and load, including base 1 and fixed mounting at the support 2 of base 1 tip base 1's the other end is outwards equipped with crank axle 3, reduction gear 4 and motor 5 by support 2 in proper order, motor 5 passes through the belt and is connected with reduction gear 4, reduction gear 4 is connected with connecting rod 6 through crank axle 3, walking beam 8 is installed through fixed mounting's support axle 7 at 2 tops of support, horse head 9 and balancing weight piece 10 are installed respectively to walking beam 8 both ends, and lie in install crossbeam 11 on the walking beam 8 of balancing weight piece 10 one end, crossbeam 11 and connecting rod 6 are connected.
The basic working principle of the oil pumping unit is that the motor rotates to provide power for the input shaft of the speed reducer through the belt, and the rotary power output by the output shaft of the speed reducer converts the rotary motion into repeated linear motion through parts such as a crank, a connecting rod, a walking beam, a horse head and the like, so that the oil pumping unit in an oil well is driven to work to realize the oil pumping function.
The utility model discloses in, suspension point load, stroke length, stroke frequency and reduction gear moment of torsion are the most basic parameter of embodying beam-pumping unit pumping performance, and the biggest stroke of beam-pumping unit on the existing market is 240in (6.1 m).
The utility model discloses realized for the first time that beam-pumping unit's load can reach 50000L BS (222.26KN), the stroke can reach 300in (7.62m), the reduction gear moment of torsion can reach 1824000in-lbs (206KN.m), and the biggest stroke frequency can reach 8 SPM.
Wherein: as shown in fig. 2, the distance from the center line of the upper bracket shaft of the walking beam to the center line of the wellhead is set to be a, the distance from the center line of the bearing of the upper bracket shaft of the walking beam to the center line of the cross beam is set to be C, the horizontal distance between the center line of the upper bracket shaft of the walking beam and the center line of the crank shaft is set to be I, the length of the connecting rod is set to be P, the distance from the center line of the upper bracket shaft of the walking beam to the surface of the base is set to be H.
The structural size R, P, C, H, G, A, I value of the oil pumping unit is used as the design variable of the oil pumping unit, so that the quality of the power performance of the oil pumping unit is determined, and the energy consumption of the oil pumping unit is also influenced. The maximum torque factor and the maximum acceleration of the suspension point are two indexes for measuring the power performance of the pumping unit, the magnitude of the torque factor directly influences the magnitude of the maximum torque of a crankshaft, and simultaneously, the shapes of a torque factor curve and a crankshaft torque curve are determined, and the acceleration of the suspension point is influenced.
The torque factor is calculated by beam-pumping unit structure size R, P, C, H, G, A, I value and deduces, the utility model discloses in use the torque factor to obtain optimum beam-pumping unit geometry through optimizing calculation as objective function.
The geometric parameter optimization result of the pumping unit in the embodiment is as follows:
| A(mm) | C(mm) | I(mm) | P(mm) | H(mm) | G(mm) | R(mm) |
| 6706～6846 | 3447～3530 | 3419～3530 | 7069～7251 | 10361～10480 | 3199～3284 | 1762～1920 |
according to the above, the utility model discloses in, mainly through the optimization that goes on as objective function with the moment of torsion function to use best objective function as the optimization condition at the in-process of optimizing, progressively optimize the geometric parameters of beam-pumping unit, thereby reach the best effect, improve the load of beam-pumping unit and the moment of torsion of reduction gear promptly, and acceleration stroke and maximum number of strokes.
Compared with the prior art, the utility model discloses an it is calculated to be optimized on the basis of objective function, rather than considering certain or certain combination wherein alone and optimize, this optimization mode can embody on each geometric parameter, and the utility model discloses beam-pumping unit among the embodiment can realize the direct adjustment after optimizing each parameter to satisfy the best effect.
In the above embodiment, the top of the horse head 9 is fixedly provided with the end part of the rope hanger 12, the horse head 9 is a semi-arc surface, the center of the horse head 9 is provided with the accommodating groove 901, the rope hanger 12 is arranged in the accommodating groove 901 to slide, and the rope hanger 12 is always in a vertical state when the horse head 9 moves up and down through the arranged semi-arc surface, so that extra resistance cannot be generated on the rope hanger 12.
In order to match with the adjustment of the geometric parameters, the bottom of the walking beam 8 is provided with a sliding rail 801, two groups of sliding seats 802 are sleeved in the sliding rail 801, the sliding seats 802 are provided with clamping claws 803 which are clamped with the sliding rail 801, and the two groups of sliding seats 802 are respectively connected with the support shaft 7 and the cross beam 11.
The above-mentioned geometric parameters are adjusted by the sliding action of the sliding seat 802, and the adjusted sliding seat 802 is fixed by the claws 803, so as to achieve the best adjusting effect.
Further, since the geometric parameters between the structures are required to be adjusted in this embodiment, in order to ensure the reliability of the adjustment of the two ends of the walking beam 8, the adjustment of the horse head 9 and the balancing weight 10 is performed in a rack manner. Cavity 804 is all equipped with in the walking beam 8 both ends, cavity 804 internal surface fixed mounting has along the fixed screw thread 805 of axial setting, and be in be equipped with in the cavity 804 with the screw rod 806 that moves of fixed screw thread 805 interlock is located both ends move the screw rod 806 both ends respectively with horse head 9 with balancing weight 10 fixed connection, just horse head 9 with balancing weight 10 cover is established on the walking beam 8.
In the above, the movable screw 806 is rotated to advance or retract, so as to adjust the relative position.
Wherein, support 2 is piled up in proper order by a plurality of standard festival 101 and is connected formation overall structure, and is being located the top standard festival 101 is last to install the landing slab 102, support axle 7 is installed on the landing slab 102, in this embodiment, support 2's adjustment is through piling up in proper order of standard festival 101 and realizing height adjustment.
The base 1 is provided with a lifting plate 13, a sliding block is arranged between the lifting plate 13 and the base 1, two sides of the sliding block are sleeved on the base 1, the sliding block and the lifting plate 13 are connected through a hydraulic column, and the parameter relation between structures is further adjusted through the adjusting effect of the sliding block and the hydraulic column.
As shown in fig. 3, the base 1 and the walking beam 8 are provided with an optimization interval identification strip 14, and the optimization interval identification strips 14 are respectively provided with an identification segment 15. The utility model discloses in, for the convenience of adjusting the relation between each parameter, make the geometric parameter adjustment of beam-pumping unit be in this interval through the interval sign strip of optimization that sets up to can be further quick adjust each structure to corresponding position through the sign section, thereby simplify its adjustment process, needn't still need notice the assurance to the size at the in-process of adjustment.
The utility model discloses in through carrying out geometric parameters's adjustment to the beam-pumping unit of less size, mainly regard as the foundation with the sign, this adjustment mode can be quick on the one hand adjusts, and on the other hand can guarantee the precision of adjustment.
Therefore, in the embodiment, only the interval relation between the base and the walking beam needs to be determined, and after the relation is determined, the position relation between the structures can be defined, so that the adjusting process is accelerated.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (8)
1. The utility model provides a beam-pumping unit of super large stroke and load, includes base (1) and fixed mounting at support (2) of base (1) tip, its characterized in that the other end of base (1) is outwards equipped with crank axle (3), reduction gear (4) and motor (5) in proper order by support (2), motor (5) are connected with reduction gear (4) through the belt, reduction gear (4) are connected with connecting rod (6) through crank axle (3), walking beam (8) are installed through fixed mounting's support axle (7) in support (2) top, horse head (9) and balancing weight piece (10) are installed respectively to walking beam (8) both ends, and lie in install crossbeam (11) on walking beam (8) of balancing weight piece (10) one end, crossbeam (11) and connecting rod (6) are connected;
the method comprises the following steps of taking a torque factor as a target function, and optimally calculating geometrical parameters of the pumping unit:
the distance from the center line of the upper bracket shaft of the walking beam to the center line of a wellhead is 6706-6846 mm;
the distance from the center line of the bearing of the upper bracket of the walking beam to the center line of the cross beam is 3447-3530 mm;
the horizontal distance between the center line of the upper bracket shaft of the walking beam and the center line of the crank shaft is 3419-3530 mm;
the length of the connecting rod is P7069-7251 mm;
the distance between the center line of the upper bracket shaft of the walking beam and the surface of the base is 10361-10480 mm;
the distance from the center of the crank shaft to the surface of the base is 3199-3284 mm;
the radius of the crank shaft is 1762-1920 mm.
2. The ultra-large stroke and load walking beam pumping unit as claimed in claim 1, wherein the base (1) and the walking beam (8) are provided with optimized interval identification strips (14), and the optimized interval identification strips (14) are respectively provided with identification sections (15).
3. The ultra-large stroke and load walking beam pumping unit as claimed in claim 1, wherein a lifting plate (13) is arranged on the base (1), a sliding block is arranged between the lifting plate (13) and the base (1), two sides of the sliding block are sleeved on the base (1), and the sliding block and the lifting plate (13) are connected through a hydraulic column.
4. The ultra-large stroke and load walking beam pumping unit as claimed in claim 1, wherein the top of the horse head (9) is fixedly installed with the end of the rope hanger (12), the horse head (9) is a semi-arc surface, and the center of the horse head (9) is provided with a receiving groove (901), and the rope hanger (12) is arranged in the receiving groove (901) to slide.
5. The ultra-large stroke and load walking beam pumping unit as claimed in claim 1, wherein a sliding rail (801) is arranged at the bottom of the walking beam (8), two sets of sliding seats (802) are sleeved in the sliding rail (801), a claw (803) clamped with the sliding rail (801) is arranged on each sliding seat (802), and the two sets of sliding seats (802) are respectively connected with the support shaft (7) and the cross beam (11).
6. The ultra-large stroke and load walking beam pumping unit as claimed in claim 1, wherein a hollow cavity (804) is provided at both ends of the walking beam (8), a fixed rack (805) is axially installed on the inner surface of the hollow cavity (804), and a moving rack (806) engaged with the fixed rack (805) is provided in the hollow cavity (804).
7. The ultra-large stroke and load walking beam pumping unit of claim 6, wherein said movable rack (806) at both ends is fixedly connected to said horse head (9) and said balancing weight (10), respectively, and said horse head (9) and said balancing weight (10) are sleeved on said walking beam (8).
8. The ultra-large stroke and load walking beam pumping unit as claimed in claim 1, wherein said bracket (2) is formed by stacking several standard sections (101) in turn to form an integral structure, and a platform plate (102) is installed on the top standard section (101), and said bracket shaft (7) is installed on said platform plate (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921537397.2U CN211008582U (en) | 2019-09-17 | 2019-09-17 | Beam-pumping unit of super large stroke and load |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921537397.2U CN211008582U (en) | 2019-09-17 | 2019-09-17 | Beam-pumping unit of super large stroke and load |
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| CN211008582U true CN211008582U (en) | 2020-07-14 |
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| CN201921537397.2U Active CN211008582U (en) | 2019-09-17 | 2019-09-17 | Beam-pumping unit of super large stroke and load |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113153230A (en) * | 2021-04-26 | 2021-07-23 | 德瑞石油装备（青岛）有限公司 | Belt type oil pumping machine moving device |
| CN115075779A (en) * | 2022-07-29 | 2022-09-20 | 德瑞石油装备（青岛）有限公司 | Oil extraction method suitable for oil well full cycle |
| WO2023142254A1 (en) * | 2022-01-29 | 2023-08-03 | 德瑞石油装备（青岛）有限公司 | Walking-beam pumping unit and design method therefor |
-
2019
- 2019-09-17 CN CN201921537397.2U patent/CN211008582U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113153230A (en) * | 2021-04-26 | 2021-07-23 | 德瑞石油装备（青岛）有限公司 | Belt type oil pumping machine moving device |
| WO2023142254A1 (en) * | 2022-01-29 | 2023-08-03 | 德瑞石油装备（青岛）有限公司 | Walking-beam pumping unit and design method therefor |
| CN115075779A (en) * | 2022-07-29 | 2022-09-20 | 德瑞石油装备（青岛）有限公司 | Oil extraction method suitable for oil well full cycle |
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