CN210935649U

CN210935649U - Polished rod maintenance device of wheel type oil pumping machine

Info

Publication number: CN210935649U
Application number: CN201921364538.5U
Authority: CN
Inventors: 许凯敏; 闫福信; 张淑梅; 张兆红; 黄林芬
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-14
Filing date: 2019-08-14
Publication date: 2020-07-07
Anticipated expiration: 2029-08-14

Abstract

The utility model discloses a polish rod maintenance device of a wheeled oil pumping unit, which indirectly uses a roller wheel with rolling friction on the surface of the polish rod to maintain the surface of the polish rod on the premise of increasing the volume of a maintenance box body, thereby achieving the purposes of reducing the labor capacity of workers and improving the production efficiency; the maintenance box body I and the maintenance box body II are both provided with a liquid inlet and a liquid outlet; an oil cavity I and an oil cavity II are respectively formed in the maintenance box body I and the maintenance box body II; the maintenance box body I and the maintenance box body II are connected through a spring.

Description

Polished rod maintenance device of wheel type oil pumping machine

Technical Field

The utility model relates to a well head equipment's maintenance technical field specifically relates to a wheeled beam-pumping unit polished rod maintenance device.

Background

For intermittent production wells and high water content wells, the polish rod is prone to dry-grind packing or pits on the surface susceptible to corrosion by corrosive fluids during normal operation, and therefore, the polish rod must be maintained for this portion of the well head, typically by applying lubricating oil to the surface of the polish rod for intermittent wells and a corrosion inhibitor to the surface of the polish rod for high water content wells.

To the application of the maintenance liquid agent, the currently frequently used equipment is a polished rod maintenance box, two semicircular ring-shaped box bodies are mutually buckled and tightly attached to the surface of a polished rod, oil cavities are formed in the two semicircular ring-shaped box bodies, a liquid inlet and a liquid outlet are respectively formed in the upper portion and the lower portion of the two semicircular ring-shaped box bodies, an oil core is arranged at the liquid outlet, and the maintenance liquid agent is applied to the surface of the polished rod through the oil core.

However, the existing maintenance box has the defect that maintenance liquid needs to be added frequently due to the small volume, and the two box bodies of the existing maintenance box are fastened by bolts, the inner wall of the box body is attached to the surface of the polished rod tightly, so that the liquid is used in a large amount and high in cost in the normal maintenance process, and the problem of waste to a certain extent is also caused.

It can be seen that because the liquid dosage is great in the work of current maintenance box, and the volume of maintenance box is less, therefore has the drawback that the maintenance liquid formulation that needs the staff to add frequently, has increased staff's the amount of labour to a great extent, if the maintenance is not in time, then probably because of the serious accident such as output loss and well site pollution that causes of crude oil leakage.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a wheeled beam-pumping unit polished rod maintenance device under the volumetric prerequisite of increase maintenance box body, uses indirectly and possesses the surface of the gyro wheel maintenance polished rod of rolling friction with the polished rod surface, replaces current maintenance box body and polished rod direct contact's embodiment, reaches the amount of labour that reduces the staff, improves production efficiency's purpose.

The technical scheme is as follows: the utility model provides a wheeled beam-pumping unit polished rod maintenance device, characterized by: the packing box comprises an annular fastener which is clamped at the outer edge of a packing box and is fastened by a bolt, wherein a support rod is welded on the upper surface of the annular fastener along the longitudinal direction, and two maintenance box bodies, namely a maintenance box body I and a maintenance box body II, with the caliber larger than that of the original box bodies are movably arranged at the upper part of the support rod; the maintenance box body I and the maintenance box body II are both provided with a liquid inlet and a liquid outlet; an oil cavity I and an oil cavity II are respectively formed in the maintenance box body I and the maintenance box body II; the maintenance box body I and the maintenance box body II are connected through a spring.

Further, wherein, the lower part of arbitrary maintenance box body (maintenance box body I or maintenance box body II) all sets up along transversely: the shaft is provided with a transfusion through hole inside, the shaft is movably sleeved with a roller, an oil chamber is arranged inside the roller, and a plurality of holes penetrating through the oil chamber are formed in the periphery of the roller.

Further, the liquid conveying through hole is communicated with the oil chamber and the oil chamber (oil chamber I or oil chamber II).

Furthermore, a sliding block is fixedly arranged on the upper surface of the supporting rod, a square guide groove is formed in the lower surface of the maintenance box body (maintenance box body I or maintenance box body II), and the sliding block is movably matched in the square guide groove.

Has the advantages that: the utility model discloses a under the volumetric prerequisite of increase maintenance box body, the indirect use possesses the surface of the gyro wheel maintenance polished rod of rolling friction with the polished rod surface, can effectively prolong the life cycle of maintenance box body, reduces staff's the amount of labour, and this utility model simple structure, easy preparation.

Drawings

FIG. 1 is a schematic front view of the utility model;

fig. 2 is a schematic top view of the present invention.

Description of reference numerals:

1. a liquid inlet; 21. maintaining the box body I; 22. maintaining the box body II; 211. an oil chamber I; 221. an oil chamber II; 3. a square guide groove; 4. a slider; 5. a bolt; 6. a polish rod; 7. a packing box; 8. a loop fastener; 9. a support bar; 10. a roller; 101. an oil chamber; 11. a shaft; 111. a transfusion through hole; 12. an aperture; 13. a spring.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the accompanying fig. 1 to 2, but the invention can be implemented in many different ways as defined and covered by the claims.

It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed, unless otherwise specified, and all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.

Specific embodiments of the present application will now be described in detail with reference to the accompanying fig. 1 to 2, however, these embodiments may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, it being understood that these embodiments are provided so that this disclosure will be thorough and complete and will fully convey the concept of these embodiments to those skilled in the art.

With reference to fig. 1 to 2, the utility model provides a polish rod maintenance device for a wheeled pumping unit, which comprises an annular fastener 8 fastened at the outer edge of a packing box 7 and fastened by a bolt 5, wherein a support rod 9 is welded on the upper surface of the annular fastener 8 along the longitudinal direction, and two maintenance box bodies with the caliber larger than that of the original box bodies, a maintenance box body I21 and a maintenance box body II22 are movably arranged at the upper part of the support rod 9; the maintenance box body I21 and the maintenance box body II22 are both provided with a liquid inlet 1 and a liquid outlet; an oil cavity I211 and an oil cavity II221 are respectively formed in the maintenance box body I21 and the maintenance box body II 22; the maintenance box body I21 and the maintenance box body II22 are connected by a spring 13.

According to the structure of the embodiment, the maintenance box body I21 and the maintenance box body II22 increase the volume, the oil cavity I211 and the oil cavity II221 correspondingly have larger volumes, and the maintenance box body I21 and the maintenance box body II22 are movably arranged on the upper part of the support rod 9 and are connected by the spring 13, so that the surface adhesion of the original maintenance box body and the polished rod 6 is improved to a great extent, the liquid dosage is larger in the normal maintenance process, the cost is higher, and a worker does not need to frequently add the maintenance liquid.

Combine fig. 1 to fig. 2, in order to improve maintenance efficiency, the life cycle of extension maintenance box body reduces staff's the amount of labour, wherein, the lower part of arbitrary maintenance box body (maintenance box body I21 or maintenance box body II 22) all along transversely setting up: the shaft 11, the inside of axle 11 is seted up and is transfused through-hole 111, the gyro wheel 10 is established to the movable cover on the axle 11, the inside of gyro wheel 10 is seted up the grease chamber 101, the outer periphery of gyro wheel 10 is seted up a plurality of holes 12 and is link up in grease chamber 101.

The liquid conveying through hole 111 is connected with the oil chamber 101 and the oil chamber (oil chamber I211 or oil chamber II221) in a penetrating manner.

In the above-mentioned embodiment of the utility model, the indirect use possesses the surface of gyro wheel 10 maintenance polished rod 6 of rolling frictional force with the surface of polished rod 6, under the effect of spring 13, the inner wall that replaces the maintenance box body to maintain by the outer periphery of gyro wheel 10 pastes tight polished rod 6 and maintains, the maintenance liquid agent is after getting into the oil pocket (oil pocket I211 or oil pocket II221) by inlet 1, can get into infusion through-hole 111 from the lower part of maintenance box body (maintenance box body I21 or maintenance box body II 22), later get into grease chamber 101 from infusion through-hole 111, a plurality of holes 12 that the outer fringe was seted up through gyro wheel 10 at last apply the surface of polished rod 6, in the actual maintenance process, the staff can set up the oil core in hole 12 or use cotton material to wrap gyro wheel 10, so that oil core or cotton material contact the surface of polished rod 6, reach better maintenance effect.

Referring to fig. 1, a sliding block 4 is fixedly arranged on the upper surface of the supporting rod 9, a square guide groove 3 is formed in the lower surface of the maintenance box body (I21 or II 22), and the sliding block 4 is movably matched in the square guide groove 3.

The utility model discloses an it reaches the purpose of removing maintenance box body I21 and maintenance box body II22 with the cooperation of square guide way 3 to prefer slider 4 to make maintenance box body I21 and maintenance box body II22 can be under spring 13's effect relative movement or remove in opposite directions.

During specific maintenance operation, the staff only need fill up the maintenance liquid with oil pocket I211 and oil pocket II221, alright carry out long-time maintenance by this utility model to the surface of polished rod 6, not only the liquid quantity is little, and the maintenance is even, can stop the waste of maintenance liquid, reduction in production cost need not frequently to add the maintenance liquid moreover, can effectively reduce staff's the amount of labour, improves production efficiency.

Claims

1. The utility model provides a wheeled beam-pumping unit polished rod maintenance device, characterized by: the packing box comprises an annular fastener which is clamped at the outer edge of a packing box and is fastened by a bolt, wherein a support rod is longitudinally welded on the upper surface of the annular fastener, a maintenance box body I and a maintenance box body II are arranged at the upper part of the support rod, and both the maintenance box body I and the maintenance box body II are provided with a liquid inlet and a liquid outlet;

an oil cavity I and an oil cavity II are respectively formed in the maintenance box body I and the maintenance box body II;

the maintenance box body I and the maintenance box body II are connected through a spring.

2. The polished rod maintenance device of the wheeled pumping unit according to claim 1, wherein: the lower part of maintenance box body I and maintenance box body II all sets up the axle along transversely, the infusion through-hole is seted up to the inside of axle, the gyro wheel is established to epaxial movable sleeve, grease chamber is seted up to the inside of gyro wheel, a plurality of holes are seted up to the periphery of gyro wheel and are link up grease chamber.

3. The polished rod maintenance device of the wheeled pumping unit according to claim 2, wherein: the oil cavity I and the oil cavity II are both in through connection with the oil cavity through the liquid conveying through hole.

4. The polished rod maintenance device of the wheeled pumping unit according to claim 1, wherein: the upper surface of bracing piece is fixed and is set up the slider, and square guide way is all seted up to the lower surface of maintenance box body I and maintenance box body II, slider movable fit is in the inside of square guide way.