CN210829199U

CN210829199U - Oil field oil extraction beam-pumping unit balancing unit

Info

Publication number: CN210829199U
Application number: CN201921999902.5U
Authority: CN
Inventors: 张涛涛; 孙晶; 董璐璐; 王飞; 刘香丽; 李绪涛; 刘家庆; 苟枫凯; 陈松林; 顾伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-06-23
Anticipated expiration: 2029-11-19

Abstract

The utility model belongs to the technical field of beam-pumping unit balancing unit technique and specifically relates to an oil field oil recovery beam-pumping unit balancing unit, including balancing pole and balance arm, the balance arm runs through in the balancing pole outside, balancing pole lower extreme fixedly connected with stopper, be provided with two slide mechanism between balancing arm and the balancing pole, balancing arm lower extreme middle part fixedly connected with sleeve, a plurality of through-hole has evenly been seted up according to vertical direction on the balancing pole, bolt assembly includes the screw rod, screw rod one end runs through sleeve and one of them through-hole and threaded connection simultaneously has the nut, it is equipped with first spring holder and second spring holder to keep away from nut one side slidable ground cover on the screw rod surface, fixedly connected with spring between first spring holder and the second spring holder, and the spring housing is established on. The oil field oil extraction pumping unit balancing device not only can conveniently adjust the balance position of the balance arm, but also can fasten the balance arm stably without loosening.

Description

Oil field oil extraction beam-pumping unit balancing unit

Technical Field

The utility model relates to a beam-pumping unit balancing unit technical field especially relates to an oil field oil recovery beam-pumping unit balancing unit.

Background

The oil field oil extraction pumping unit is characterized by simple structure, mature technology, stable performance, convenient operation and the like, and becomes main equipment for oil field mechanical oil extraction, but the balance degree of the oil field oil extraction pumping unit directly influences the energy consumption of the pumping unit, when the balance degree of the pumping unit is not within a certain range, unbalanced load of a motor can be caused to cause the temperature change of the motor to rise, mechanical parts such as a reduction gearbox, a crank pin bearing and the like can be damaged, the use life of the mechanical parts is influenced, meanwhile, the uniformity of the rotation speed of a crank is influenced, and the work of a down-hole rod pump is further influenced, so that the balance work is particularly important in the operation management of the.

Current oil field oil recovery beam-pumping unit balancing unit is all through adjusting the position of balance arm on the balancing pole adjusting its degree of balance, and current balance arm is when adjusting its balanced position, the mode that adopts threaded rod and thread groove is mostly fixed, and the thread groove is seted up on the balance arm, and only rely on simple threaded connection structure, can't fix the balance arm effectively, the steadiness is relatively poor, drive its high-speed rotatory in-process at the motor, the threaded rod will appear becoming flexible very easily, thereby can make the steadiness of balance arm reduce, the balanced position's of balance arm error also can increase, and then the degree of balance of whole device has been reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the prior oil field oil recovery beam-pumping unit balancing unit that exists among the prior art and having the relatively poor steadiness of balance arm for fixed its threaded rod takes place easily not hard up, can influence the shortcoming of its equilibrium degree, and the oil field oil recovery beam-pumping unit balancing unit who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the oil field oil extraction pumping unit balancing device comprises a balancing rod and a balancing arm, wherein the balancing arm penetrates through the outer side of the balancing rod, a limiting block is fixedly connected at the lower end of the balancing rod, two sliding mechanisms are arranged between the balancing arm and the balancing rod and are respectively arranged on two sides of the balancing rod, a sleeve is fixedly connected to the middle of the lower end of the balancing arm and slidably sleeved on the outer side of the balancing rod, a plurality of through holes are uniformly formed in the balancing rod in the vertical direction, a bolt assembly is fixedly connected between the sleeve and one of the through holes and comprises a screw rod, one end of the screw rod penetrates through the sleeve and one of the through holes and is in threaded connection with a nut, a first spring seat and a second spring seat are slidably sleeved on one side of the outer surface of the screw rod, which is far away from the nut, and a spring is fixedly connected between the first spring seat and the second spring seat and sleeved on the screw rod.

Preferably, the sliding mechanism comprises a sliding block and a sliding groove, the sliding block is fixedly connected to the inner surface of the balance arm, the sliding groove is formed in the outer surface of the balance rod, and the sliding block is slidably and limitedly arranged in the sliding groove.

Preferably, the sliding groove and the sliding block are both of T-shaped structures, and the sliding groove and the sliding block are matched with each other.

Preferably, the screw is an octagonal-head screw.

Preferably, the balance bar is a cylindrical structural member.

The utility model provides a pair of oil field oil recovery beam-pumping unit balancing unit, beneficial effect lies in: the oil field oil extraction pumping unit balancing device is designed with a bolt component, through the design of a first spring seat, a spring, a second spring seat, a screw and a nut, when a balance arm is adjusted to a proper balance position on a balance rod, a sleeve is enabled to correspond to a corresponding through hole, then the screw is inserted, and the nut is screwed, the sleeve and the balance arm can be fastened, therefore, through the design, the balance position of the balance arm on the balance rod can be conveniently adjusted, the balance arm can be conveniently fastened and fixed, meanwhile, under the action of the first spring seat, the spring and the second spring seat, extrusion force towards a thread structure on the inner surface of the nut can be given to the screw, the nut can correspondingly give a corresponding reaction force to the thread structure on the screw, therefore, a transverse acting force and a reaction force can be generated between the thread structure on the inner surface of the nut and the thread structure on the screw, therefore, the connection between the threaded structures is more stable, the stability of the threaded connection structure between the screw rod and the nut can be greatly enhanced, the threaded connection structure between the screw rod and the nut is not easy to loosen, the stability of the balance arm is further enhanced, meanwhile, the accuracy of the balance position of the balance arm is favorably improved, and errors are reduced.

Drawings

Fig. 1 is the utility model provides an oil field oil recovery beam-pumping unit balancing unit's schematic structure diagram.

Fig. 2 is a sectional view of the structure of fig. 1.

Fig. 3 is a side sectional view of the structure of fig. 1.

Fig. 4 is an enlarged schematic view of the structure of the portion a in fig. 3.

Fig. 5 is a structural plan view of the sliding groove and the sliding block in fig. 2.

In the figure: the balance arm comprises a balance rod 1, a through hole 2, a balance arm 3, a bolt assembly 4, a limiting block 5, a sleeve 6, a sliding groove 7, a sliding block 8, a first spring seat 9, a spring 10, a second spring seat 11, a screw rod 12 and a nut 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example 1

Referring to fig. 1-5, an oil field oil extraction beam-pumping unit balancing unit, including balancing pole 1 and balancing arm 3, balancing arm 3 runs through in the 1 outside of balancing pole, and balancing pole 1 is cylindric structure, and 1 lower extreme fixedly connected with stopper 5 of balancing pole, stopper 5's effect is for preventing to fall down from balancing pole 1 at the in-process that carries out balanced position regulation to balancing arm 3, has effectively played the effect spacing to balancing arm 3.

Two sliding mechanisms are arranged between the balance arm 3 and the balance rod 1, the two sliding mechanisms are respectively arranged at two sides of the balance rod 1, the middle part of the lower end of the balance arm 3 is fixedly connected with a sleeve 6, the sleeve 6 is slidably sleeved at the outer side of the balance rod 1, in the process of adjusting the balance position of the balance arm 3, the sleeve 6 can correspondingly slide up and down on the balance bar 1, a plurality of through holes 2 are uniformly arranged on the balance bar 1 according to the vertical direction, and a bolt assembly 4 is fixedly connected between the sleeve 6 and one of the through holes 2, the sleeve 6 and the balance bar 1 can be fixedly connected together through the bolt assembly 4, therefore, the balance arm 3 can be fixed on the balance bar 1, and when the balance arm 3 is adjusted to a proper balance position on the balance bar 1, the sleeve 6 and the balance arm 3 can be fastened and fixed through the bolt assembly 4.

The bolt component 4 comprises a screw rod 12, the screw rod 12 is specifically an octagonal-head screw rod, one end of the screw rod 12 penetrates through the sleeve 6 and one of the through holes 2 at the same time and is in threaded connection with a nut 13, one side, far away from the nut 13, of the outer surface of the screw rod 12 is slidably sleeved with a first spring seat 9 and a second spring seat 11, a spring 10 is fixedly connected between the first spring seat 9 and the second spring seat 11, and the spring 10 is sleeved on the screw rod 12. through the design of the first spring seat 9, the spring 10, the second spring seat 11, the screw rod 12 and the nut 13, when the balance arm 3 is adjusted to a proper balance position on the balance rod 1, the sleeve 6 corresponds to the corresponding through hole 2, then the screw rod 12 is inserted, and the nut 13 is screwed up, so that the sleeve 6 and the balance arm 3 can be fastened, therefore, through the design, the balance position of the balance arm, and can conveniently fasten the balance arm 3 fixedly, under the effect of first spring holder 9, spring 10 and second spring holder 11 at the same time, thus can give 12 threaded spindle an extrusion force towards the internal surface thread structure of nut 13, and nut 13 can give the corresponding reaction force of the thread structure on the threaded spindle 12 correspondingly, therefore, will produce a horizontal effort and reaction force between the thread structure on the internal surface of nut 13 and the thread structure on the threaded spindle 12, thus can make the connection between both thread structures more firm, can strengthen the stability of the threaded connection structure between threaded spindle 12 and nut 13 greatly, make difficult emergence not hard up between the two, and then strengthened the stability of balance arm 3, meanwhile, help to improve the precision of the balanced position of balance arm 3, reduce the error.

Example 2

Referring to fig. 2 and 5, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the sliding mechanism includes a sliding block 8 and a sliding groove 7, the sliding block 8 is fixedly connected to the inner surface of the balance arm 3, the sliding groove 7 is formed on the outer surface of the balance bar 1, the sliding block 8 is slidably disposed in the sliding groove 7 in a limited manner, the sliding groove 7 and the sliding block 8 are both T-shaped structures, and the sliding groove 7 and the sliding block 8 are adapted to each other, by using the sliding groove 7 and the sliding block 8 of the T-shaped structure, in the process of adjusting the balance position of the balance arm 3 on the balance bar 1, the sliding block 8 can always slide up and down in the sliding groove 7 along the axial direction thereof, which not only can improve the stability of the balance arm 3 during the up-down movement, but also can prevent the balance arm 3 and the balance bar 1 from relative rotation, the balance arm 3 can only move in the, thereby facilitating adjustment of the balance position of the balance arm 3.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The oil field oil extraction pumping unit balancing device comprises a balancing rod (1) and a balancing arm (3), wherein the balancing arm (3) penetrates through the outer side of the balancing rod (1), a limiting block (5) is fixedly connected to the lower end of the balancing rod (1), the oil field oil extraction pumping unit balancing device is characterized in that two sliding mechanisms are arranged between the balancing arm (3) and the balancing rod (1), the two sliding mechanisms are respectively arranged on two sides of the balancing rod (1), a sleeve (6) is fixedly connected to the middle of the lower end of the balancing arm (3), the sleeve (6) can be slidably sleeved on the outer side of the balancing rod (1), a plurality of through holes (2) are uniformly formed in the balancing rod (1) according to the vertical direction, a bolt assembly (4) is fixedly connected between the sleeve (6) and one of the through holes (2), the bolt assembly (4) comprises a screw rod (12), one end of the screw rod (12) penetrates through the sleeve (6) and one of the through holes (2) and is connected with a nut (13) in a threaded mode, the outer surface of the screw rod (12) is far away from one side of the nut (13) and is slidably sleeved with a first spring seat (9) and a second spring seat (11), a spring (10) is fixedly connected between the first spring seat (9) and the second spring seat (11), and the spring (10) is sleeved on the screw rod (12).

2. The oil field oil extraction pumping unit balancing device according to claim 1, characterized in that, the sliding mechanism comprises a sliding block (8) and a sliding groove (7), the sliding block (8) is fixedly connected to the inner surface of the balance arm (3), the sliding groove (7) is opened on the outer surface of the balance bar (1), and the sliding block (8) is slidably disposed in the sliding groove (7) in a limited manner.

3. The oil pumping unit balancing device for oil extraction in oil field of claim 2, characterized in that the sliding groove (7) and the sliding block (8) are both T-shaped structures, and the sliding groove (7) and the sliding block (8) are adapted to each other.

4. The oilfield production pumping unit balancing device of claim 1, wherein the screw (12) is embodied as an octagonal-head screw.

5. The oil field oil extraction pumping unit balancing device according to claim 1, characterized in that the balancing rod (1) is a cylindrical structural member.