CN214616469U

CN214616469U - Pumping unit with counterweight adjusting function

Info

Publication number: CN214616469U
Application number: CN202023171371.6U
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

The utility model discloses a beam-pumping unit with counter weight regulatory function, including the base, base top one side sets up speed reducer, motor and support, and the speed reducer passes through the drive belt with the motor to be connected, and the support top is rotated and is set up the walking beam, and the fixed horse head that sets up of walking beam one end, the fixed crank that sets up of speed reducer output, the crank free end rotate and set up first connecting rod, and first connecting rod free end is connected with the walking beam rotation, sets up first spout on the walking beam other end lateral wall. The beneficial effects of the utility model are that through sliding the setting with the balancing piece on the crank on the walking beam with the relative one end of horse head, drive the moment that the second connecting rod changes between balancing weight and the horse head through the motor, change motor direct drive into and carry out work through the dynamic balance between balancing weight and the horse head, assist through the motor, prolonged the life of motor and speed reducer, reduced the single stroke used time, improved work efficiency, and the device still has simple structure, advantages such as easy maintenance.

Description

Pumping unit with counterweight adjusting function

Technical Field

The utility model belongs to the technical field of land oil field machinery oil production equipment, especially, relate to a beam-pumping unit with counter weight regulatory function.

Background

The oil pumping machine is a machine for exploiting oil, and is commonly called a head knocking machine. The pumping unit is the most main lifting equipment in the rod pumping system. According to whether there is a walking beam, it can be divided into a walking beam type pumping unit and a non-walking beam type pumping unit. The beam-pumping unit is basically characterized by simple structure, easy manufacture, convenient use, especially, it can be operated in oil field for all weather, and is reliable in use. Therefore, although the pumping unit has the defects of large acceleration of horse head suspension point movement, poor balancing effect, low efficiency, large volume and heavy weight in long stroke and the like, the pumping unit is still the most widely applied pumping unit.

SUMMERY OF THE UTILITY MODEL

The to-be-solved problem of the utility model is to provide a beam-pumping unit with counter weight regulatory function.

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

a pumping unit with a counterweight adjusting function comprises a base, wherein a speed reducer, a motor and a support are arranged on one side of the top of the base, the speed reducer is connected with the motor through a transmission belt, the top of the support is rotatably provided with a walking beam, one end of the walking beam is fixedly provided with a horse head, the output end of the speed reducer is fixedly provided with a crank, the free end of the crank is rotatably provided with a first connecting rod, the free end of the first connecting rod is rotatably connected with the walking beam, the side wall of the other end of the walking beam is provided with a first chute, the first chute is provided with a connecting frame in a sliding manner, a counterweight is fixedly arranged on one side wall of the connecting frame, the top of the connecting frame is positioned on one side of the counterweight and is fixedly provided with a sliding rod, the side wall of the crank is fixedly provided with an adjusting rod, the free end of the adjusting rod is rotatably provided with a second connecting rod, the middle part of the second connecting rod is rotatably connected with the side wall of the first connecting rod through a rotating shaft, and a second sliding groove is formed in the side wall of the free end of the second connecting rod, and the sliding rod is located in the second sliding groove to slide.

Preferably, the first sliding grooves are symmetrically provided with first limiting blocks along the upper edge of the side wall of the walking beam, and the connecting frame is fixedly provided with second limiting blocks on one side of the first limiting blocks.

Preferably, the two ends of the sliding rod penetrate through the second sliding groove and are fixedly provided with third limiting blocks, and the third limiting blocks are fixedly connected with the sliding rod through bolts.

The utility model has the advantages and positive effects that:

the utility model discloses a slide the setting with the epaxial balancing piece on the walking beam with the relative one end of horse head, drive the moment that the second connecting rod changes between balancing weight and the horse head through the motor, change the motor direct drive into and carry out work through the dynamic balance between balancing weight and the horse head, assist through the motor, prolonged the life of motor and speed reducer, reduced single stroke used time, improved work efficiency, 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 pumping unit with counterweight adjustment function according to the present invention;

fig. 2 is a front view of a pumping unit with counterweight adjustment function according to the present invention;

the reference numerals are explained below:

1. a base; 2. a support; 3. a walking beam; 4. a donkey head; 5. a first chute; 6. a connecting frame; 7. a counterbalance; 8. a crank; 9. a first link; 10. a second link; 11. a second chute; 12. a slide bar; 13. adjusting a rod; 14. a speed reducer; 15. a motor; 16. a first stopper; 17. a second limiting block; 18. a third limiting block; 19. a rotating shaft.

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 figure 1-2, an oil pumping unit with a counterweight adjusting function comprises a base 1, a speed reducer 14, a motor 15 and a support 2 are arranged on one side of the top of the base 1, the speed reducer 14 is connected with the motor 15 through a transmission belt, a walking beam 3 is rotatably arranged on the top of the support 2, a horse head 4 is fixedly arranged at one end of the walking beam 3, a crank 8 is fixedly arranged at the output end of the speed reducer 14, a first connecting rod 9 is rotatably arranged at the free end of the crank 8, a first sliding chute 5 is arranged on the side wall of the other end of the walking beam 3, a connecting frame 6 is slidably arranged on the first sliding chute 5, a counterweight 7 is fixedly arranged on one side wall of the connecting frame 6, a sliding rod 12 is fixedly arranged on one side of the counterweight 7 at the top of the connecting frame 6, an adjusting rod 13 is fixedly arranged on one side wall of the crank 8, a second connecting rod 10 is rotatably arranged at the free end of the adjusting rod 13, the middle part of the second connecting rod 10 is rotatably connected with the side wall of the first connecting rod 9 through a rotating shaft 19, the side wall of the free end of the second connecting rod 10 is provided with a second sliding chute 11, and the sliding rod 12 is positioned in the second sliding chute 11 to slide.

The working process of the embodiment: when in work, an operator fixes the rope connecting device at the end of the horse head 4, then adds a corresponding weight balance block 7 according to the lifting weight of crude oil in an oil well, adjusts the moving distance and the moving speed of the balance block 7 through an adjusting rod 13, when the horse head 4 moves to the lowest point, the adjusting rod 13 and the second connecting rod 10 push the balance weight 7 to the extreme position along the sliding chute, the gravity center shifts to one side of the balance weight 7, the balance weight 7 moves downwards, the motor 15 assists in pulling the walking beam 3 at the side of the balance weight 7 downwards, the horse head 4 moves upwards to pump oil, when the horse head 4 moves to the highest point, the adjusting rod 13 and the second connecting rod 10 push the balance block 7 to the limit position along the sliding chute in a sliding and reverse direction, the moment is reduced, the gravity center shifts to one side of the horse head 4, the horse head 4 moves downwards under the action of gravity, and meanwhile the motor 15 assists in pushing the walking beam 3 at the side of the balance block 7 upwards, so that the horse head 4 sends the oil extractor into the oil well to perform oil extraction again.

Preferably, the first limiting block 16 is symmetrically arranged on the side wall of the walking beam 3 along the first sliding groove 5, the second limiting block 17 is fixedly arranged on one side of the first limiting block 16 on the connecting frame 6, the balancing block 7 can be prevented from falling off from the walking beam 3, the two ends of the sliding rod 12 penetrate through the second sliding groove 11 and are fixedly provided with the third limiting block 18, and the third limiting block 18 is fixedly connected with the sliding rod 12 through bolts, so that the sliding rod 12 can be prevented from being separated from the second sliding groove 11.

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. The utility model provides a beam-pumping unit with counter weight regulatory function, includes base (1), base (1) top one side sets up speed reducer (14), motor (15) and support (2), speed reducer (14) with motor (15) are connected through the drive belt, support (2) top is rotated and is set up walking beam (3), walking beam (3) one end is fixed to be set up horse head (4), speed reducer (14) output end is fixed to be set up crank (8), crank (8) free end rotates and sets up first connecting rod (9), first connecting rod (9) free end with walking beam (3) rotate to be connected its characterized in that: set up first spout (5) on walking beam (3) other end lateral wall, the slip sets up link (6) on first spout (5), the fixed balancing piece (7) that sets up on link (6) a lateral wall, link (6) top is located balancing piece (7) one side is fixed and is set up slide bar (12), fixed setting is adjusted pole (13) on crank (8) a lateral wall, it rotates to set up second connecting rod (10) to adjust pole (13) free end, second connecting rod (10) middle part with first connecting rod (9) lateral wall rotates through pivot (19) and is connected, set up second spout (11) on second connecting rod (10) free end lateral wall, slide bar (12) are located slide in second spout (11).

2. The pumping unit with counterweight adjustment function according to claim 1, characterized in that: first stopper (16) are symmetrically arranged on the side wall of the walking beam (3) along the first sliding groove (5), and a second stopper (17) is fixedly arranged on one side of the first stopper (16) on the connecting frame (6).

3. The pumping unit with the counterweight adjusting function as claimed in claim 1, wherein: the two ends of the sliding rod (12) penetrate through the second sliding groove (11) and are fixedly provided with third limiting blocks (18), and the third limiting blocks (18) are fixedly connected with the sliding rod (12) through bolts.