CN214616468U

CN214616468U - Oil well pumping unit

Info

Publication number: CN214616468U
Application number: CN202023168000.2U
Authority: CN
Inventors: 盖国生
Original assignee: Tianjin Dagang Oilfield Jingsheng Petroleum Technology Service Co ltd
Current assignee: Tianjin Dagang Oilfield Jingsheng Petroleum Technology Service Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-11-05
Anticipated expiration: 2030-12-24

Abstract

On call the utility model discloses a novel oil well beam-pumping unit, including fixed frame, the vertical guide pulley that sets up along fixed frame middle part symmetry in fixed frame inboard top, two guide pulley outside laminating set up the cable wire, cable wire one end is located fixed frame inside one side and sets up the balancing weight, the cable wire other end is located fixed frame inside opposite side and sets up the second layer board, set up the second through-hole along the cable wire symmetry on the second layer board, second through-hole one side sets up second branch along the cable wire symmetry, second branch top free end rotates and sets up the stopper, set up first spacing groove with second layer board laminating department on the fixed frame inside wall. The beneficial effects of the utility model are that change fixed frame and cable wire into through the walking beam with traditional beam-pumping unit, collocation balancing weight realizes oil pumping work through the weight that changes the balancing weight, promotes the counter weight of less weight through changing the lifting mechanism, has reduced the consumption of energy, and reduce cost has improved work efficiency, and the device still has simple structure moreover, advantages such as easy maintenance.

Description

Oil well pumping unit

Technical Field

The utility model belongs to the technical field of land oil field machinery oil production equipment, especially, relate to a novel oil well beam-pumping unit.

Background

The pumping unit is a mechanical device for exploiting petroleum, most of the pumping units used at present are walking beam pumping units commonly known as 'kowtow machines', the walking beam pumping units have the basic characteristics of simple structure, easy manufacture and convenient use, and particularly can be operated in an oil field all weather for a long time, and are reliable in use, so that although the walking beam pumping units have the defects of larger acceleration of horse head suspension point movement, poorer balance effect, lower efficiency, larger volume and heaviness in long stroke and the like, the walking beam pumping units are still the pumping units which are most widely applied, but the existing pumping units generally have larger volume, not only have wide occupied area and high transportation cost, but also are limited by a driving mechanism because the driving mechanism of the existing pumping units is more complex, and in order to ensure the stable operation of the equipment, more counterweight devices are often required to be assembled on the equipment, so that the weight of the equipment needs to be equipped with a high-power motor to ensure the normal operation of the equipment, meanwhile, the required energy consumption is increased, the cost is wasted, and the heavy maintenance is inconvenient, so a novel oil well pumping unit needs to be designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The to-be-solved problem of the utility model is to provide a novel oil well beam-pumping unit.

In order to solve the technical problem, the utility model discloses a technical scheme is:

a novel oil well pumping unit comprises a fixed frame, guide wheels are vertically arranged on the top of the inner side of the fixed frame vertically along the middle of the fixed frame symmetrically, a steel cable is arranged on the outer sides of the two guide wheels in a laminating manner, one end of the steel cable is arranged on one side in the fixed frame and provided with a balancing weight, the other end of the steel cable is arranged on the other side in the fixed frame and provided with a second supporting plate, a second through hole is symmetrically arranged on the second supporting plate along the steel cable, one side of the second through hole is provided with a second supporting rod along the steel cable symmetrically, a free end on the top of the second supporting rod is rotatably provided with a limiting block, a first limiting groove is arranged on the joint of the inner side wall of the fixed frame and the second supporting plate, a first supporting plate is arranged in the fixed frame in a sliding manner above the second supporting plate, a first through hole is arranged at the top of the first supporting plate in a penetrating manner, a first blind hole is arranged at the bottom of the first supporting plate above the second supporting rod, first blind hole inside wall upper portion rotates and sets up the third latch, it sets up the second spring to set up first spout and top laminating on the third latch lateral wall, the second spring other end with the inboard top of first blind hole is closely laminated, second layer board bottom is located the second through-hole top sets up the second blind hole, it sets up the ejector pad to slide in the second blind hole, the embedding that slides in the middle part of a set of relative lateral wall of first layer board sets up the second latch, lie in on the second latch third latch below sets up the second spacing groove, second latch below lie in second spacing groove one side sets up the second spout, follow on a set of relative lateral wall of second latch the second spacing groove symmetry sets up the second connecting rod, second connecting rod free end is fixed and is set up the third spring, third spring free end is fixed and is set up first latch, first latch one end is passed first layer board set up in the different places layer board outside and with first spacing groove is closely laminated The laminating, be located on the second connecting rod lateral wall first latch with set up first spring between the second latch, the first spring other end with first layer board inside wall closely laminates, follow on the fixed frame lateral wall the second latch sets up the lifting mechanism to first through-hole symmetry, fixed frame inboard bottom is located the vertical first branch that sets up in second through-hole below.

Preferably, the raiser includes sprocket, chain, first connecting rod, speed reducer, motor and connecting axle, first through-hole one side follow on the fixed frame lateral wall first latch symmetry sets up four sprockets, the homonymy the sprocket is arranged from top to bottom and is passed through the chain suit is connected, and the level sets up a plurality ofly between the adjacent chain first connecting rod, the fixed speed reducer that sets up in fixed frame one side, the speed reducer passes through the connecting axle with the sprocket of fixed frame lateral wall lower part is connected, one of them is passed to connecting axle one end the sprocket is with another sprocket fixed connection of same level.

Preferably, the guide wheel is rotatably connected with the fixed frame on the fixed frame through a damper, and the damper is fixedly connected with the fixed frame through a bolt.

Preferably, the bottom of the balancing weight and the bottom of the second supporting plate are fixedly provided with a rope hanger.

Preferably, the diameter of the second through hole is not smaller than that of the second support rod, a limiting rod is fixedly arranged on the side wall of the first latch and positioned on the inner side of the third spring, and the free end of the limiting rod penetrates through the second connecting rod and is arranged in a sliding mode with the second connecting rod.

The utility model has the advantages and positive effects that:

the utility model discloses a change the walking beam of traditional beam-pumping unit into fixed frame and cable wire, collocation balancing weight realizes oil pumping work through the weight that changes the balancing weight, promotes the counter weight of less weight through changing the lifting mechanism, has reduced the consumption of energy, and reduce cost has improved work efficiency, and the device still has simple structure moreover, advantages such as easy maintenance.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is an axonometric view of a new oil well pumping unit according to the present invention;

fig. 2 is a front view of the novel oil well pumping unit of the invention;

fig. 3 is a left side sectional view of the novel oil well pumping unit of the present invention;

fig. 4 is a top cross-sectional view of a first support plate of the novel oil well pumping unit of the present invention;

fig. 5 is an enlarged view of the structure at a position of the novel oil well pumping unit.

The reference numerals are explained below:

1. a fixing frame; 2. a guide wheel; 3. a balancing weight; 4. a first pallet; 401. a second link; 402. a first latch; 403. a first spring; 404. a second latch; 405. a second limit groove; 406. a third latch; 407. a first chute; 408. a first blind hole; 409. a push block; 410. a second chute; 411. a first through hole; 412. a second blind hole; 413. a second spring; 414. a third spring; 415. a limiting rod; 5. a second pallet; 501. a second through hole; 502. a second support bar; 503. a limiting block; 601. a sprocket; 602. a chain; 603. a first link; 604. a speed reducer; 605. a motor; 606. a connecting shaft; 7. a first limit groove; 8. a first support bar; 9. a steel cord; 10. a rope hanger; 11. a damper.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be further explained with reference to the accompanying drawings:

example 1

As shown in figures 1-5, a novel oil well pumping unit comprises a fixed frame 1, guide wheels 2 are vertically and symmetrically arranged at the top of the inner side of the fixed frame 1 along the middle part of the fixed frame 1, steel cables 9 are attached to the outer sides of the two guide wheels 2, one end of each steel cable 9 is arranged at one side inside the fixed frame 1 and is provided with a balancing weight 3, the other end of each steel cable 9 is arranged at the other side inside the fixed frame 1 and is provided with a second supporting plate 5, second through holes 501 are symmetrically arranged on the second supporting plates 5 along the steel cables 9 on one side of each second through hole 501, a second supporting rod 502 is arranged at the free end of the top of the second supporting rod 502 in a rotating manner and is provided with a limiting block 503, a first limiting groove 7 is arranged at the attachment part of the inner side wall of the fixed frame 1 and the second supporting plate 5, a first supporting plate 4 is slidably arranged inside the fixed frame 1 above the second supporting plate 5, a first through hole 411 is arranged at the top of the first supporting plate 4, a first blind hole 408 is arranged at the bottom of the second supporting plate 502, the upper part of the inner side wall of the first blind hole 408 is rotatably provided with a third latch 106, the side wall of the third latch 106 is provided with a first sliding chute 407, the top of the third latch is attached with a second spring 413, the other end of the second spring 413 is tightly attached with the top of the inner side of the first blind hole 408, the bottom of the second supporting plate 5 is positioned above the second through hole 501 and is provided with a second blind hole 412, the second blind hole 412 is internally provided with a push block 409 in a sliding manner, the middle parts of a group of opposite side walls of the first supporting plate 4 are provided with a second latch 404 in a sliding and embedding manner, the second latch 404 is provided with a second limiting groove 405 below the third latch 106, the lower part of the second latch 404 is provided with a second sliding chute 410 at one side of the second limiting groove 405, a group of opposite side walls of the second latch 404 is symmetrically provided with a second connecting rod 401 along the second limiting groove 405, the free end of the second connecting rod 401 is fixedly provided with a third spring 414, the free end of the third spring 414 is fixedly provided with a first latch 402, one end of the first latch 402 penetrates through the first supporting plate 4 and is arranged at the outer side of a different place and is tightly attached with the first limiting groove 7, a first spring 403 is arranged on the side wall of the second connecting rod 401 between the first latch 402 and the second latch 404, the other end of the first spring 403 is tightly attached to the inner side wall of the first supporting plate 4, lifters are symmetrically arranged on the side wall of the fixed frame 1 along the second latch 404 to the first through hole 411, and a first supporting rod 8 is vertically arranged at the bottom of the inner side of the fixed frame 1 below the second through hole 501.

The working process of the embodiment: when in use, an operator respectively connects the rope hanger 10 arranged at the bottom of the balancing weight 3 and the second supporting plate 5 with an oil extractor, then respectively adds balancing weights with different weights on the first supporting plate 4 and the second supporting plate 5 according to the pressure during oil extraction, simultaneously adjusts the weight of the balancing weight 3, enables the weights of the balancing weights on the first supporting plate 4 and the second supporting plate 5 to be larger than the weight of the balancing weight 3, then adjusts the heights of the first supporting rod 8 and the second supporting rod 502, starts the motor 605 after the adjustment is finished, the motor 605 drives the speed reducer 604 to rotate, the speed reducer 604 outputs power to the chain wheel 601 and the chain 602, lifts the first supporting plate 4 through the first connecting rod 603, when the first supporting plate is lifted to the maximum height of the chain 602, the first clamping tooth 402 is clamped into the first limiting groove 7 to prevent the first supporting plate 4 from falling, and simultaneously, after the first supporting plate 4 is lifted, because the weight of the balancing weight 3 is larger than the weight of the balancing weight on the second supporting plate 5, therefore, the counterweight block 3 moves downwards to pull the second supporting plate 5 to ascend through the steel cable 9, the damper 11 controls the ascending and descending speed to prevent over-speeding, when the second supporting plate 5 ascends to the lower part of the first supporting plate 4, the second supporting rod 502 is inserted into the first blind hole 408, the limiting block 503 pushes the third latch 106 to move upwards, meanwhile, the second spring 413 is compressed, when the third latch 106 moves out of the second limiting groove 405, the first spring 403 pushes the second connecting rod 401 to move, the first latch 402 and the second latch 404 slide into the first supporting plate 4, at this time, the first supporting plate 4 moves downwards, the weight of the combined second supporting plate 5 is larger than that of the counterweight block 3, the first supporting plate 4 and the second supporting plate 5 move downwards simultaneously, meanwhile, the limiting block 503 slides through the first sliding groove 407 on the side wall of the third latch 106 to be located above the third latch 106 when pushing force of the limiting block 503 is lost, the third latch 106 moves downwards under the action of the second spring 413, and the top of the second latch 404 is tightly attached, when the first supporting plate 4 and the second supporting plate 5 move downwards to the first supporting rod 8 and enter the second blind hole 412 through the second through hole 501, the pushing block 409 is pushed to be matched with the second sliding groove 410 to slide and compress the first spring 403, the first latch 402 and the second latch 404 slide out of the first supporting plate 4, meanwhile, the third latch 106 is clamped in the second limiting groove 405, when the chain 602 drives the first connecting rod 603 to lift the first supporting plate 4 again, the third latch 106 moves upwards to rotate the limiting block 503, and the second supporting rod 502 moves out of the first blind hole 408, and the circulating oil pumping work is performed again.

Preferably, the lifter comprises a chain wheel 601, chains 602, first connecting rods 603, a speed reducer 604, a motor 605 and a connecting shaft 606, four chain wheels 601 are symmetrically arranged on the side wall of the fixed frame 1 at one side of the first through hole 411 along the first latch 402, the chain wheels 601 at the same side are arranged up and down and are connected in a sleeved mode through the chains 602, a plurality of first connecting rods 603 are horizontally arranged between the adjacent chains 602, the speed reducer 604 is fixedly arranged at one side of the fixed frame 1, the speed reducer 604 is connected with the chain wheel 601 at the lower part of the side wall of the fixed frame 1 through the connecting shaft 606, one end of the connecting shaft 606 penetrates through one of the chain wheels 601 to be fixedly connected with the other chain wheel 601 at the same level, the fixed frame 1 is positioned on the guide wheel 2 and is rotatably connected with the fixed frame 1 through a damper 11, the damper 11 is fixedly connected with the fixed frame 1 through a bolt, the bottom of the counterweight 3 and the second supporting plate 5 is fixedly provided with a rope hanger 10, the diameter of the second through hole 501 is not smaller than that of the second supporting rod 502, a limiting rod 415 is fixedly arranged on the side wall of the first latch 402 and located inside the third spring 414, and a free end of the limiting rod 415 passes through the second connecting rod 401 and is arranged in a sliding manner with the second connecting rod 401.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. A novel oil well pumping unit is characterized in that: the fixing frame comprises a fixing frame (1), guide wheels (2) are vertically and symmetrically arranged at the top of the inner side of the fixing frame (1) along the middle of the fixing frame (1), a steel cable (9) is arranged at the outer side of the two guide wheels (2) in a laminating manner, one end of the steel cable (9) is positioned at one side inside the fixing frame (1) and is provided with a balancing weight (3), the other end of the steel cable (9) is positioned at the other side inside the fixing frame (1) and is provided with a second supporting plate (5), second through holes (501) are symmetrically arranged on the second supporting plate (5) along the steel cable (9), one side of each second through hole (501) is symmetrically provided with a second supporting rod (502) along the steel cable (9), the free end at the top of the second supporting rod (502) is rotatably provided with a limiting block (503), a first limiting groove (7) is arranged at the laminating position of the second supporting plate (5) on the inner side wall of the fixing frame (1), a first supporting plate (4) is arranged above the second supporting plate (5) in the fixing frame (1) in a sliding manner, the top of the first supporting plate (4) is provided with a first through hole (411) in a penetrating manner, the bottom of the first supporting plate (4) is positioned above the second supporting rod (502) and is provided with a first blind hole (408), the upper part of the inner side wall of the first blind hole (408) is rotatably provided with a third latch (106), the side wall of the third latch (106) is provided with a first sliding chute (407), the top of the third latch is provided with a second spring (413) in a fitting manner, the other end of the second spring (413) is tightly fitted with the top of the inner side of the first blind hole (408), the bottom of the second supporting plate (5) is positioned above the second through hole (501) and is provided with a second blind hole (412), a push block (409) is arranged in the second blind hole (412) in a sliding manner, a second latch (404) is arranged in the middle of a group of opposite side walls of the first supporting plate (4) in a sliding manner, and a second limit groove (405) is arranged below the third latch (106) on the second latch (404), the lower part of the second latch (404) is positioned at one side of the second limit groove (405) and is provided with a second sliding groove (410), a group of opposite side walls of the second latch (404) are symmetrically provided with a second connecting rod (401) along the second limit groove (405), the free end of the second connecting rod (401) is fixedly provided with a third spring (414), the free end of the third spring (414) is fixedly provided with a first latch (402), one end of the first latch (402) penetrates through the first supporting plate (4) and is arranged at the outer side of the different-place supporting plate and tightly attached to the first limit groove (7), the side wall of the second connecting rod (401) is positioned between the first latch (402) and the second latch (404) and is provided with a first spring (403), the other end of the first spring (403) is tightly attached to the inner side wall of the first supporting plate (4), and lifters are symmetrically arranged on the side wall of the fixed frame (1) along the second latch (404) to the first through hole (411), the bottom of the inner side of the fixed frame (1) is positioned below the second through hole (501) and is vertically provided with a first support rod (8).

2. The new oil well pumping unit of claim 1, wherein: the lifter comprises a chain wheel (601), a chain (602), a first connecting rod (603), a speed reducer (604), a motor (605) and a connecting shaft (606), wherein the first through hole (411) is formed in one side of the side wall of the fixed frame (1) along the first clamping tooth (402) and is symmetrically provided with the four chain wheels (601), the chain wheels (601) are arranged from top to bottom and pass through the chain (602) in a sleeved mode, the adjacent chains (602) are horizontally provided with the first connecting rod (603), the speed reducer (604) is fixedly arranged on one side of the fixed frame (1), the speed reducer (604) is connected with the chain wheel (601) on the lower portion of the side wall of the fixed frame (1) through the connecting shaft (606), and one end of the connecting shaft (606) penetrates through one of the chain wheel (601) and the other chain wheel (601) in a fixed mode.

3. The new oil well pumping unit of claim 1, wherein: the guide wheel (2) on the fixed frame (1) is rotatably connected with the fixed frame (1) through a damper (11), and the damper (11) is fixedly connected with the fixed frame (1) through a bolt.

4. The new oil well pumping unit of claim 1, wherein: and the bottom parts of the balancing weight (3) and the second supporting plate (5) are fixedly provided with a rope hanger (10).

5. The new oil well pumping unit of claim 1, wherein: the diameter of the second through hole (501) is not smaller than that of the second support rod (502), a limiting rod (415) is fixedly arranged on the side wall of the first latch (402) and located on the inner side of the third spring (414), and the free end of the limiting rod (415) penetrates through the second connecting rod (401) and is arranged in a sliding mode with the second connecting rod (401).