CN111058804B

CN111058804B - Beam-pumping unit accessory

Info

Publication number: CN111058804B
Application number: CN202010019201.1A
Authority: CN
Inventors: 王成军
Original assignee: Daqing Puqing Drilling Equipment Manufacturing Co ltd
Current assignee: DAQING PUQING DRILLING EQUIPMENT MANUFACTURING Co.,Ltd.
Priority date: 2020-01-08
Filing date: 2020-01-08
Publication date: 2020-07-14
Anticipated expiration: 2040-01-08
Also published as: CN111058804A

Abstract

The invention relates to the technical field of oil exploitation, and discloses a beam-pumping unit fitting which comprises a supporting beam, wherein the right end of the supporting beam is in transmission connection with a driving mechanism of a pumping unit, the other end of the supporting beam is fixedly provided with a fixed horse head, and a mounting through groove is formed in the fixed horse head. This beam-pumping unit accessory, to the setting of logical groove inclination angle of installation, be in order to ensure that the horizontal mechanism of installing inside can keep the state of slope, and then when fixed horse head takes place the arc motion, the installation is even the axle can reciprocate along the slope orbit of square support, be used for compensating fixed horse head when doing the arc motion its displacement difference for producing between the oil well head, further guaranteed that the oil pumping connecting rod can keep vertical state between the oil well head all the time when the up-and-down motion is taken out oil, can not cause the problem that takes place irregular wearing and tearing because of the atress is inhomogeneous between the plunger of oil-pumping pump and its inner wall.

Description

Beam-pumping unit accessory

Technical Field

The invention relates to the technical field of oil exploitation, in particular to a beam-pumping unit accessory.

Background

The walking beam type pumping unit is one of the main pumping units for oil field exploitation, and consists of mainly horse head, walking beam, pumping link rod, crank mechanism and driving mechanism.

However, when the existing beam pumping unit utilizes the suspension beam rope to drive the pumping link rod to move up and down, the suspension beam rope can repeatedly, uninterruptedly and all weather extrude, mesh, scrape and the like with the clamping groove in the horse head, and the clamping groove in the horse head can be worn and gradually deepened in the past, thereby causing the vertical tangent point between the clamping groove in the mule head and the suspension beam rope to gradually deviate inwards, causing the position between the tangent point of the suspension beam rope and the oil well head to deviate when the mule head in the beam pumping unit moves upwards, and not on the same vertical line any more, causing the pumping unit to generate deflection when the pumping connecting rod is stretched upwards, and then lead to the plunger in the oil-well pump and its inner wall to take place the deflection wearing and tearing because of the atress is inhomogeneous, cause this oil-well pump's leakproofness variation, life shortens and the problem of pumping oil efficiency reduction.

Disclosure of Invention

Technical problem to be solved

The invention provides a beam-pumping unit fitting, which has the advantages of always keeping the vertical up-and-down motion state of a pumping rod, not causing deflection abrasion to the inner wall of an oil well pump, effectively prolonging the service life of the oil well pump, effectively prolonging the working efficiency, and effectively improving the stability and reliability, and solves the problems that when the conventional beam-pumping unit uses a suspension beam rope to drive a pumping connecting rod to move up and down, the suspension beam rope can repeatedly, uninterruptedly and all weather extrude, mesh and scrape and the like with a clamping groove in a horse head, the clamping groove in the horse head can be abraded and gradually deepened after a long time, so that the vertical tangent point between the clamping groove in the horse head and the suspension beam rope gradually deviates inwards, the position between the tangent point of the suspension beam rope and an oil well mouth deviates when the horse head in the beam-pumping unit moves upwards, and the donkey head does not on the same vertical line any more, the oil pumping machine is enabled to be inclined by stretching the oil pumping connecting rod upwards, and then the deviation abrasion between the plunger in the oil well pump and the inner wall of the plunger is caused due to uneven stress, so that the problems of poor sealing performance, shortened service life and reduced oil pumping efficiency of the oil well pump are caused.

(II) technical scheme

The invention provides the following technical scheme: the utility model provides a beam-pumping unit accessory, is including supporting the walking beam, the right-hand member that supports the walking beam is connected with the actuating mechanism transmission of beam-pumping unit, and supports the other end fixed mounting of walking beam and fix the horse head, the inside of fixing the horse head has been seted up the installation and has been led to the groove, the inside fixed mounting that the groove was led to in the installation has the horizontal mechanism, and the middle part pin joint of horizontal mechanism surface has the oil pumping connecting rod, the top activity of oil pumping connecting rod surface has cup jointed movable cutting ferrule, the middle part of activity cutting ferrule surface is connected through supporting the connecting rod and the one side transmission that supports the.

Preferably, the horizontal mechanism comprises a square support, a movable platform is sleeved in the square support in a movable mode, the upper end and the lower end of the movable platform are movably connected with the top and the bottom of the inner cavity of the square support through two groups of elastic sleeves respectively, a fixed connecting rod is fixedly mounted in the movable platform, and a mounting connecting shaft is fixedly mounted in the middle of the front face and the middle of the back face of the fixed connecting rod.

Preferably, the inside of the installation through groove is of a rectangular structure, and the whole installation through groove is inclined at an angle of 78 degrees with the horizontal plane.

Preferably, the supporting beam, the oil pumping connecting rod and the supporting connecting rod form a triangle which is always an acute angle triangle.

(III) advantageous effects

The invention has the following beneficial effects:

1. the walking beam type oil pumping machine accessory converts the arc motion track of the left end of a walking beam relative to an oil well under the action of a lever principle in the existing oil pumping machine into a vertical up-and-down motion track by arranging the horizontal mechanism and the oil pumping connecting rod, does not need to use a flexible beam-suspended rope for power transmission, and can directly use the transmission connecting rod, thereby avoiding the serious abrasion of the inner wall of a clamping groove of a fixed horsehead caused by the repeated extrusion and meshing between the beam-suspended rope and the fixed horsehead in the long-term use process of the walking beam type oil pumping machine, further causing the deflection abrasion between the vertical tangent point of the beam-suspended rope of the fixed horsehead and an oil well mouth when the fixed horsehead does arc track motion, causing the deflection abrasion between a plunger and the inner wall of the plunger in the oil pumping machine due to uneven stress, and further causing the problems of poor sealing performance and low oil.

2. This beam-pumping unit accessory, to the setting of logical groove inclination angle of installation, be in order to ensure that the horizontal mechanism of installing inside can keep the state of slope, and then when fixed horse head takes place the arc motion, the installation is even the axle can reciprocate along the slope orbit of square support, be used for compensating fixed horse head when doing the arc motion its displacement difference for producing between the oil well head, further guaranteed that the oil pumping connecting rod can keep vertical state between the oil well head all the time when the up-and-down motion is taken out oil, can not cause the problem that takes place irregular wearing and tearing because of the atress is inhomogeneous between the plunger of oil-pumping pump and its inner wall.

3. This beam-pumping unit accessory to the setting of supporting the structure between walking beam, the oil pumping connecting rod and the support connecting rod, the setting of cooperation activity cutting ferrule is used for rightly supporting the oil pumping connecting rod simultaneously, when this oil-well pump breaks down and need maintain under the oil pumping connecting rod not atress the condition keep vertical state between it and the well head all the time, and can not cause the problem of secondary damage because of its deflection appears to the inside of oil-well pump.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the invention at point A in FIG. 1;

FIG. 3 is a schematic structural view of the horizontal mechanism of the present invention;

fig. 4 is a cross-sectional view of a structural horizontal mechanism of the present invention.

In the figure: 1. supporting the walking beam; 2. fixing the horse head; 3. installing a through groove; 4. a horizontal mechanism; 41. a square bracket; 42. a movable platform; 43. an elastic sleeve; 44. fixing the connecting rod; 45. mounting a connecting shaft; 5. an oil pumping connecting rod; 6. a movable ferrule; 7. and a connecting rod is supported.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a beam-pumping unit fitting comprises a supporting beam 1, the right end of the supporting beam 1 is in transmission connection with a driving mechanism of a pumping unit, a fixed horse head 2 is fixedly mounted at the other end of the supporting beam 1, a mounting through groove 3 is formed in the fixed horse head 2, a horizontal mechanism 4 is fixedly mounted in the mounting through groove 3, an oil pumping connecting rod 5 is connected to the middle of the outer surface of the horizontal mechanism 4 in a pin mode, a movable clamping sleeve 6 is movably sleeved at the top of the outer surface of the oil pumping connecting rod 5, and the middle of the outer surface of the movable clamping sleeve 6 is in transmission connection with one side of the top end of the supporting beam 1 through a supporting connecting rod 7.

Wherein, for the arrangement of the horizontal mechanism 4 and the oil pumping connecting rod 5, the arc motion track of the left end of the walking beam relative to the oil well in the existing oil pumping machine under the action of the lever principle is converted into the vertical up-and-down motion track, so that when the walking beam type oil pumping machine is used for driving the oil pumping pump in the oil well to work, the flexible beam-hanging rope is not required to be used for power transmission, and the transmission connecting rod can be directly used, thereby avoiding the serious abrasion of the inner wall of the clamping groove of the fixed horse head 2 caused by the repeated extrusion and meshing between the beam-hanging rope and the fixed horse head 2 in the long-term use process of the walking beam type oil pumping machine, further avoiding the deflection between the vertical tangent point of the beam-hanging rope of the fixed horse head 2 and the oil well mouth, causing the irregular abrasion between the plunger of the oil pumping pump and the inner wall thereof due to uneven stress, and further, The oil pumping efficiency is lowered.

In this technical scheme, horizontal mechanism 4 includes square support 41, and movable platform 42 has been cup jointed in the inside activity of square support 41, and movable platform 42's upper and lower both ends are respectively through the top and the bottom swing joint of two sets of elastic sleeve 43 with square support 41 inner chamber, and movable platform 42's inside fixed mounting has fixed connecting rod 44, and the equal fixed mounting in middle part at the front of fixed connecting rod 44 and the back has installation even axle 45.

Wherein, to the setting of horizontal mechanism 4, can change the arc motion orbit of fixed horse head 2 into the vertical up-and-down motion orbit of installation connecting shaft 45, and then ensured that oil pumping connecting rod 5 along with supporting the in-process of walking beam 1 and the motion of fixed horse head 2, can remain vertical state between the oil well head all the time for oil pumping connecting rod's atress direction keeps vertical ascending state, can not cause the phenomenon of taking place irregular wear between plunger and its inner wall of oil pump.

In the technical scheme, the inside of the installation through groove 3 is set to be a rectangular structure, and the whole installation through groove is inclined at an angle of 78 degrees with the horizontal plane.

Wherein, to the setting of the logical groove 3 inclination of installation, be in order to ensure to install the state that can keep inclining at its inside horizontal mechanism 4, and then when fixed horse head 2 takes place the arc motion, installation even axle 45 can reciprocate along the slope orbit of square support 41 for the fixed horse head 2 of compensation is making the displacement difference of arc motion its production between for the oil well head, and then ensures to pump connecting rod 5 and oil well head and keep vertical state all the time.

In the technical scheme, the triangular shape formed among the supporting walking beam 1, the oil pumping connecting rod 5 and the supporting connecting rod 7 is always an acute triangle.

The oil well pump has the advantages that the arrangement of the structures among the supporting beam 1, the oil pumping connecting rod 5 and the supporting connecting rod 7 is matched with the arrangement of the movable clamping sleeve 6 to centralize and support the oil pumping connecting rod 5, when the oil well pump breaks down and needs maintenance, the oil pumping connecting rod 5 can be always kept in a vertical state under the condition of no stress, and the problem of secondary damage to the oil well pump due to deflection of the oil well pump is solved.

The use method and the working principle of the embodiment are as follows:

firstly, the bottom of an oil pumping connecting rod 5 is fixedly connected with an oil well pump, a driving mechanism of the beam pumping unit is started, and a fixed horse head 2 is driven to do arc track motion under the action of a supporting beam 1, when the fixed horse head 2 moves upwards to do oil pumping action, a mounting connecting shaft 45 fixedly mounted on the oil pumping connecting rod 5 is driven to move downwards under the action of suction force of a plunger in the oil well pump to compress an elastic sleeve 43 positioned at the bottom of a square support 41, and simultaneously a movable platform 42 positioned at the top of the square support 41 is stretched, so that the mounting connecting shaft 45 moves downwards along the track of the square support 41, and displacement difference generated between the fixed horse head 2 and an oil well mouth relatively due to arc motion is compensated; when the fixed horse head 2 moves downwards to return, the elastic action of the plunger in the oil well pump drives the installation connecting shaft 45 fixedly installed on the oil pumping connecting rod 5 to move upwards and compress the elastic sleeve 43 positioned at the top of the square support 41, and meanwhile, the movable platform 42 positioned at the bottom of the square support 41 is stretched, so that the installation connecting shaft 45 moves upwards along the track of the square support 41, the displacement difference between the fixed horse head 2 and the oil well head due to arc motion is compensated, and the oil pumping connecting rod 5 is ensured to be always kept in a vertical state with the oil well head when the fixed horse head 2 drives the oil well pump to perform oil pumping action along with the accompanying of the fixed horse head 2, and the phenomenon of deviation cannot occur.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a beam-pumping unit accessory, is including supporting walking beam (1), its characterized in that: the right-hand member that supports walking beam (1) is connected with the actuating mechanism transmission of beam-pumping unit, and the other end fixed mounting who supports walking beam (1) has fixed horse head (2), the inside of fixed horse head (2) has been seted up the installation and has been led to groove (3), the inside fixed mounting that the groove (3) was led to in the installation has horizontal mechanism (4), and the middle part pin joint of horizontal mechanism (4) surface has oil pumping connecting rod (5), movable cutting ferrule (6) have been cup jointed in the top activity of oil pumping connecting rod (5) surface, the middle part of activity cutting ferrule (6) surface is passed through support connecting rod (7) and is connected with the one side transmission that supports walking beam (1) top.

2. The beam-pumping unit fitting of claim 1, wherein: horizontal mechanism (4) are including square support (41), movable platform (42) have been cup jointed in the inside activity of square support (41), the upper end of movable platform (42) is through the top swing joint of a set of elasticity sleeve (43) and square support (41) inner chamber, the lower extreme of movable platform (42) is through the bottom swing joint of a set of elasticity sleeve (43) and square support (41) inner chamber, the inside fixed mounting of movable platform (42) has fixed connecting rod (44), the equal fixed mounting in middle part at the front and the back of fixed connecting rod (44) has installation even axle (45).

3. The beam-pumping unit fitting of claim 1, wherein: the interior of the installation through groove (3) is of a rectangular structure, and the whole installation through groove is inclined at an angle of 78 degrees with the horizontal plane.

4. The beam-pumping unit fitting of claim 1, wherein: the supporting walking beam (1), the oil pumping connecting rod (5) and the supporting connecting rod (7) form a triangle which is always an acute triangle.