CN220227676U - Gravity balance chain of oil pumping unit - Google Patents

Abstract

The utility model discloses a gravity balance chain of an oil pumping machine, which belongs to the technical field of chains and comprises a second component arranged on one side of a first component, a third component arranged on one side of the second component far away from the first component, a fourth component arranged on one side of the first component far away from the second component, a first through hole arranged in the third component, a second through hole arranged in the second component, a third through hole arranged in the first component, a fourth through hole arranged in the fourth component, and a locking rod arranged in the first through hole. Therefore, the stability of connection among a plurality of components of the chain can be realized, the service life of the chain is prolonged, and the use is more convenient.

Description

Gravity balance chain of oil pumping unit

Technical Field

The utility model relates to a chain, in particular to a gravity balance chain of an oil pumping unit, and belongs to the technical field of chains.

Background

The chain link of the conventional standard roller chain used on various conveyers mainly comprises a pin shaft, a sleeve, rollers and inner chain plates arranged at two ends of the pin shaft and used for limiting the sleeve and the rollers in the middle, the chain links are connected in series by outer chain plates to form the chain, the diameter of the rollers is larger than the width of the chain plates, the rollers are in line contact with guide rails to realize the movement of the guide rails, and the chain is often used in pumping units.

The patent of present patent number CN203926602U proposes automatic balance lifting chain, and its device utilizes the connection pad to adjust the focus of heavy object at the epaxial rotation of round pin, reduces the mechanical vibration of promotion in-process, makes the promotion steady, prolongs the life of chain, and its device can't guarantee the fastening connection between bolt and the coupling assembling, and the circumstances that probably appears rocking takes place, to above-mentioned problem, the utility model provides a beam-pumping unit gravity balance chain makes things convenient for people to use.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a gravity balance chain of an oil pumping unit, which can ensure the hardness and the connection stability of the chain and solve the technical problem that the connection between chain components is loose and easy to break in the prior art.

In order to solve the problems, the following technical scheme is provided:

the utility model provides a beam-pumping unit gravity balance chain, is provided with the second subassembly including one side of first subassembly, one side that the first subassembly was kept away from to the second subassembly is provided with the third subassembly, one side that the second subassembly was kept away from to the first subassembly is provided with the fourth subassembly, first through-hole is seted up to the inside of third subassembly, the second through-hole has been seted up to the inside of second subassembly, the third through-hole has been seted up to the inside of first subassembly, the fourth through-hole has been seted up to the inside of fourth subassembly, the inside of first through-hole is provided with the dead lever of lock.

Further, the shapes of the first through hole and the second through hole are round.

Further, a fastening hole is formed in the upper end of one side of the locking rod, and a plug rod is arranged on the inner wall of the fastening hole 11.

Further, a limiting column is arranged between the first component and the second component, and the shape of the limiting column is cylindrical hollow.

Further, a mounting hole is formed in one side of the locking rod, and a bolt is arranged in the mounting hole.

Further, a threaded hole is formed in one side of the third component.

Further, the output end of the bolt passes through the mounting hole and finally enters the interior of the threaded hole.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the first component, the second component and the fourth component are arranged to be matched with the penetration of the locking rod, so that the connection is tight, the locking rod is bent again after the inserted rod enters, and the stable installation of the locking rod can be realized;

2. according to the utility model, through the structure for ensuring the stable connection of the locking rod and the third component, the connection stability can be ensured more through the cooperation of the bolt and the threaded hole, and the condition of easy breakage can not occur easily.

Specific embodiments of the utility model are disclosed in detail below with reference to the following description and drawings, indicating the manner in which the principles of the utility model may be employed. It should be understood that the embodiments of the utility model are not limited in scope thereby.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure of a gravity balance chain of a pumping unit according to the present utility model;

FIG. 2 is a schematic top view of a gravity balance chain of a pumping unit according to the present utility model;

FIG. 3 is an enlarged view at B in FIG. 2;

fig. 4 is an enlarged view at a in fig. 1.

In the figure: 1. a first component; 2. a second component; 3. a third component; 4. a fourth component; 5. a limit column; 6. a first through hole; 7. a second through hole; 8. a third through hole; 9. a fourth through hole; 10. a locking rod; 11. a fastening hole; 12. a rod; 13. a mounting hole; 14. a bolt; 15. and (3) a threaded hole.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-4, the gravity balance chain of the pumping unit provided by the embodiment comprises a second component 2 arranged at one side of a first component 1, a third component 3 arranged at one side of the second component 2 far away from the first component 1, a fourth component 4 arranged at one side of the first component 1 far away from the second component 2, a first through hole 6 arranged in the third component 3, a second through hole 7 arranged in the second component 2, a third through hole 8 arranged in the first component 1, a fourth through hole 9 arranged in the fourth component 4, a locking rod 10 arranged in the first through hole 6, wherein the locking rod 10 is used for connecting a plurality of components,

in this embodiment, as shown in figures 1-4,

preferably, the first through hole 6 and the second through hole 7 are circular in shape.

Preferably, a fastening hole 11 is formed at an upper end of one side of the locking rod 10, and a plug rod 12 is disposed on an inner wall of the fastening hole 11, and the plug rod 12 is used for closing one side of the locking rod 10.

Preferably, a limiting column 5 is arranged between the first component 1 and the second component 2, and the shape of the limiting column 5 is a cylinder hollow.

Preferably, one side of the locking rod 10 is provided with a mounting hole 13, a bolt 14 is arranged in the mounting hole 13, and the locking rod 10 is fixed by the bolt 14.

Preferably, a threaded hole 15 is provided in one side of the third component 3, the threaded hole 15 being used to attach the bolt 14.

Preferably, the output end of the bolt 14 passes through the mounting hole 13 and finally into the interior of the threaded hole 15.

The application principle and the application flow of the utility model are as follows: when the locking device is used, the locking rod 10 passes through the hollow grooves in the first through hole 6 and the second through hole 7 passing through the limiting column 5, the locking rod is completely arranged at the two sides after entering the fastening hole 11 by the inserted rod 12 at the left side of the fourth through hole 9, the locking rod 10 is installed, the locking rod 14 passes through the installation hole 13 and finally enters the threaded hole 15, so that the purpose of locking is realized, and the situation of fracture cannot occur easily.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to specific circumstances.

While the utility model has been described in connection with specific embodiments, it will be apparent to those skilled in the art that the description is intended to be illustrative and not limiting in scope. Various modifications and alterations of this utility model will occur to those skilled in the art in light of the spirit and principles of this utility model, and such modifications and alterations are also within the scope of this utility model.

Claims (7)

1. The utility model provides a beam-pumping unit gravity balance chain, its characterized in that, one side including first subassembly (1) is provided with second subassembly (2), one side that first subassembly (1) was kept away from to second subassembly (2) is provided with third subassembly (3), one side that second subassembly (2) was kept away from to first subassembly (1) is provided with fourth subassembly (4), first through-hole (6) are seted up to the inside of third subassembly (3), second through-hole (7) have been seted up to the inside of second subassembly (2), third through-hole (8) have been seted up to the inside of first subassembly (1), fourth through-hole (9) have been seted up to the inside of fourth subassembly (4), the inside of first through-hole (6) is provided with dead lever (10).

2. A gravity balance chain of a pumping unit according to claim 1, characterized in that the first through hole (6) and the second through hole (7) are circular in shape.

3. The gravity balance chain of the pumping unit according to claim 1, wherein a fastening hole (11) is formed in the upper end of one side of the locking rod (10), and a plug rod (12) is arranged on the inner wall of the fastening hole (11).

4. The gravity balance chain of the pumping unit according to claim 1, wherein a limiting column (5) is arranged between the first component (1) and the second component (2), and the limiting column (5) is hollow in a cylinder shape.

5. The gravity balance chain of the pumping unit according to claim 1, wherein a mounting hole (13) is formed in one side of the locking rod (10), and a bolt (14) is arranged in the mounting hole (13).

6. A gravity balance chain for a pumping unit according to claim 5, characterized in that a threaded hole (15) is provided on one side of the third component (3).

7. A gravity balanced chain for pumping unit according to claim 6, characterized in that the output end of the bolt (14) passes through the mounting hole (13) and finally enters the interior of the threaded hole (15).