CN202832401U - Universal coupling specially used for intelligent intermittent bailing type pumping unit - Google Patents
Universal coupling specially used for intelligent intermittent bailing type pumping unit Download PDFInfo
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- CN202832401U CN202832401U CN 201220174718 CN201220174718U CN202832401U CN 202832401 U CN202832401 U CN 202832401U CN 201220174718 CN201220174718 CN 201220174718 CN 201220174718 U CN201220174718 U CN 201220174718U CN 202832401 U CN202832401 U CN 202832401U
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Abstract
A universal coupling specially used for an intelligent intermittent bailing type pumping unit is formed by connection of a movable joint and a quick coupling in an inserted mode. One end of the movable joint is a spherical body, the right end of the spherical body is connected with a shaft neck, the right end of the shaft neck is connected with a round shoulder large diameter body, and the right end of the round shoulder large diameter body is connected with a threaded rod; the quick coupling is of a cylinder-shaped structure, and connection devices are achieved through the quick coupling and the movable joint and can incline in a certain angle among weighted lever medium segments. In an oil well, when an oil pipe in the oil well inclines, the weighted lever medium segments in the prior art are rigidly connected through threads so that the weighted lever medium segments can only integrally incline, and the oil well is possible to be stuck. According to the universal coupling specially used for the intelligent intermittent bailing type pumping unit, the connection way among weighted lever medium segments is changed, the problem that an inclined oil well is stuck is effectively solved when weighted levers are used in the inclined oil well, and normal working of the intelligent intermittent bailing type pumping unit is guaranteed.
Description
Technical field
The invention belongs to the parts of petroleum machinery oil pumper, particularly the device of the special-purpose universal coupling of a kind of Intelligent intermittent bailing formula oil pumper.It is in the weighted lever joint between interconnective a kind of isolated plant.
Background technology
General oil well is not vertical from the well head to the shaft bottom, and the down-hole certain inclination may occur at a certain depth, especially inclined shaft and viscous oil well.Inclined shaft is generally beginning deflecting from well head behind the certain distance of down-hole, from kickoff point (KOP) downwards and be the downward drilling well of random coil shape; A certain depth also may have inclination to the viscous oil well in the down-hole.And the reel of Intelligent intermittent bailing formula oil pumper by this oil pumper rotates and drives rods and move up and down in oil pipe, and the flexible rod lower end is connecting barrel oil pump and part underground component, is wherein connecting bottom the about 20 meters weighted lever of length.To be rigidly connected by screw thread between the joint in each weighted lever of the weighted lever in past, when local time the down-hole runs into inclination, because weighted lever length is longer, can't be implemented in smoothly uplink and downlink in the oil pipe, also may cause Ka Jing, seriously influence the normal operation of Intelligent intermittent bailing formula oil pumper.
Summary of the invention
The purpose of this invention is to provide the special-purpose universal coupling of a kind of Intelligent intermittent bailing formula oil pumper.Change the connected mode between the joint in each weighted lever of former weighted lever, so that can realize the inclination of certain angle in the weighted lever between the joint, make flexible rod and down-hole miscellaneous part can be in oil pipe smoothly uplink and downlink, guarantee the normal operation of Intelligent intermittent bailing formula oil pumper.
Content of the present invention:
The special-purpose universal coupling of a kind of Intelligent intermittent bailing formula oil pumper, it is characterized in that: being pegged graft by movable joint and snap joint forms, and described movable joint one end is spherical, and the spherical right-hand member connects axle journal, the axle journal right-hand member connects circle shoulder particle size body, circle shoulder particle size body right-hand member connecting thread bar; Described snap joint is a cylindrical tube shape structure, the snap joint bosom is hole, large footpath, the inner right-hand member of snap joint is diameter holes, the inner left end of snap joint is the central diameter hole, central diameter has internal thread in the hole, snap joint right flank path aperture, big hole is arranged in the middle of the snap joint upper surface, snap joint right flank path aperture connects the elongated slot gap, elongated slot gap and path aperture have certain angle, the elongated slot gap is connected to the side-lower of the middle big hole of snap joint upper surface from path aperture, snap joint right side oblique upper, the spherical of movable joint is contained in, in the central diameter hole of snap joint, the axle journal of movable joint in the diameter holes of the inner right-hand member of snap joint, movable joint circle shoulder particle size body outside the right-hand member of snap joint.
The inner right-hand member of snap joint be diameter holes diameter D greater than the axle journal d of nodal axisn, the inner right-hand member of snap joint is that the diameter holes segment length is L.
The movable joint spherical is inserted into large footpath bore portion in the snap joint fully by the big hole in the middle of the snap joint upper surface, diameter holes diameter D is greater than the axle journal d of movable joint axle in the snap joint, so that certain interval is arranged between the two, the value by designing and calculating d, D, L can realize free inclination rotation in the certain angle scope between two parts again.
The utility model characteristic advantage:
The special-purpose universal coupling of this Intelligent intermittent bailing formula oil pumper is removable, can fill, and easy accessibility, the constructability operation.
It is to have realized the linkage that can tilt between the joint in the weighted lever by movable joint and snap joint in certain angle.In oil well, when running into oil well oil conduit and occur, be rigidly connected by screw thread between saving in each weighted lever in past, can only integral inclination, may cause Ka Jing.The present invention changed the connected mode between the joint in the weighted lever, effectively solved weighted lever and run into the problem that causes Ka Jing behind the inclination oil well, guaranteed the normal operation of Intelligent intermittent bailing formula oil pumper.
Description of drawings
The special-purpose universal coupling assembly drawing of Fig. 1 Intelligent intermittent bailing formula oil pumper
Fig. 2 snap joint top view
Fig. 3 snap joint front view
Fig. 4 snap joint right view
Among the figure: the 1-movable joint; 2-snap joint.
The specific embodiment
The special-purpose universal coupling of Intelligent intermittent bailing formula oil pumper as shown in Figure 1, movable joint 1, one end is spherical head, and the axle journal of its lower end movable joint axle is d, and the other end is external screw thread, can be connected with joint internal thread in the joint weighted lever; Snap joint 2(sees Fig. 2, Fig. 3 and Fig. 4), snap joint is a cylindrical tube shape structure, the snap joint bosom is hole, large footpath, it is that L, diameter are the small sircle hole of D that the inner right-hand member of snap joint has a segment length,, the inner left end of snap joint has internal thread, can save with another that the joint external screw thread is connected in weighted lever; The inner right-hand member of snap joint is diameter holes, the inner left end of snap joint is the central diameter hole, central diameter has internal thread in the hole, its right flank is that the small circular aperture is arranged, the elongated slot gap is opened has the position of certain angle with small circular holes, the spherical head of movable joint 1 is inserted in the snap joint 2 by snap joint 2 circular ports, rotating movable joint 1 makes the movable joint axle by the elongated slot gap of snap joint 2 again, movable joint 1 is inserted in the snap joint 2 fully, because the diameter of bore D of snap joint greater than the axle journal d of movable joint axle, so that certain interval is arranged between the two, passes through designing and calculating d again, D, the value of L can realize free inclination rotation in the certain angle scope between two parts.
Design and manufacture the special-purpose universal coupling of Intelligent intermittent bailing formula oil pumper, it is interconnective a kind of special device between the joint in the weighted lever.The spherical head of movable joint is inserted in the snap joint by the snap joint circular port, rotates movable joint again and makes the movable joint axle by the elongated slot gap of snap joint, is inserted into movable joint in the snap joint fully; Because snap joint diameter of bore D is greater than the axle journal d of movable joint axle, so that certain interval is arranged between the two, the value by designing and calculating d, D, L can realize free inclination rotation in the certain angle scope between two parts again; The external screw thread of movable joint is connected with joint internal thread in the joint weighted lever, and the snap joint internal thread is connected with joint external screw thread in another joint weighted lever; Generally to connect by saving in about 20 weighted levers in the middle of the underground weight bar, in every 5-6 weighted lever, place one group of this device between the joint, can realize that flexible rod drives barrel oil pump and underground component smoothly uplink and downlink in oil pipe, guarantees the normal operation of Intelligent intermittent bailing formula oil pumper.
Claims (3)
1. the special-purpose universal coupling of an Intelligent intermittent bailing formula oil pumper, it is characterized in that: being pegged graft by movable joint and snap joint forms, and described movable joint one end is spherical, and the spherical right-hand member connects axle journal, the axle journal right-hand member connects circle shoulder particle size body, circle shoulder particle size body right-hand member connecting thread bar; Described snap joint is a cylindrical tube shape structure, the snap joint bosom is hole, large footpath, the inner right-hand member of snap joint is diameter holes, the inner left end of snap joint is the central diameter hole, central diameter has internal thread in the hole, snap joint right flank path aperture, big hole is arranged in the middle of the snap joint upper surface, snap joint right flank path aperture connects the elongated slot gap, elongated slot gap and path aperture have certain angle, the elongated slot gap is connected to the side-lower of the middle big hole of snap joint upper surface from path aperture, snap joint right side oblique upper, the spherical of movable joint is contained in, in the central diameter hole of snap joint, the axle journal of movable joint in the diameter holes of the inner right-hand member of snap joint, movable joint circle shoulder particle size body outside the right-hand member of snap joint.
2. the special-purpose universal coupling of Intelligent intermittent bailing formula oil pumper according to claim 1, it is characterized in that: the inner right-hand member of snap joint be diameter holes diameter (D) greater than the axle journal (d) of nodal axisn, the inner right-hand member of snap joint is that the diameter holes segment length is (L).
3. the special-purpose universal coupling of Intelligent intermittent bailing formula oil pumper according to claim 1, it is characterized in that: movable joint is inserted in the snap joint fully, snap joint diameter of bore (D) is greater than the axle journal (d) of movable joint axle, so that certain interval is arranged between the two, the inner right-hand member of axle journal (d), snap joint diameter of bore (D), snap joint by designing and calculating movable joint axle is diameter holes segment length (L) value can realize free inclination rotation in the certain angle scope between two parts again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220174718 CN202832401U (en) | 2012-04-23 | 2012-04-23 | Universal coupling specially used for intelligent intermittent bailing type pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220174718 CN202832401U (en) | 2012-04-23 | 2012-04-23 | Universal coupling specially used for intelligent intermittent bailing type pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202832401U true CN202832401U (en) | 2013-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220174718 Expired - Fee Related CN202832401U (en) | 2012-04-23 | 2012-04-23 | Universal coupling specially used for intelligent intermittent bailing type pumping unit |
Country Status (1)
| Country | Link |
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| CN (1) | CN202832401U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108487872A (en) * | 2018-04-18 | 2018-09-04 | 盐城庆隆机械有限公司 | A kind of piano wire is slipped out of the hand tool |
-
2012
- 2012-04-23 CN CN 201220174718 patent/CN202832401U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108487872A (en) * | 2018-04-18 | 2018-09-04 | 盐城庆隆机械有限公司 | A kind of piano wire is slipped out of the hand tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20180423 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |