CN2453111Y - Screw connector escaping-proof device for spiral oil suction rod - Google Patents
Screw connector escaping-proof device for spiral oil suction rod Download PDFInfo
- Publication number
- CN2453111Y CN2453111Y CN 00247915 CN00247915U CN2453111Y CN 2453111 Y CN2453111 Y CN 2453111Y CN 00247915 CN00247915 CN 00247915 CN 00247915 U CN00247915 U CN 00247915U CN 2453111 Y CN2453111 Y CN 2453111Y
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- CN
- China
- Prior art keywords
- rod
- polished rod
- sleeve
- bearing
- pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 210000002445 nipple Anatomy 0.000 claims description 10
- 210000004907 gland Anatomy 0.000 claims description 4
- 239000003129 oil well Substances 0.000 abstract description 6
- 230000033001 locomotion Effects 0.000 abstract description 4
- 238000005086 pumping Methods 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 241000283216 Phocidae Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- Transmission Devices (AREA)
Abstract
The utility model relates to a rotary type pumping rod screw connection and delivery escaping-proof device, which is composed of a polished rod bearing seat and a polished rod rotary device. A polished rod (6) is arranged on a bearing (4), and the polished rod (6) can be rotated. When the polished rod (6) is moved downward, a pin shaft (13) changes an axial motion into a rotary motion via a slant screw sleeve barrel (14), and each stroke cycle causes the polished rod to rotate by one minor angle clockwise. The device has the advantages that a screwed joint of an integral piece of a rod string is endlessly tightened by a polished rod in repeated motions, a plunger of an oil-well pump is rotated in a pump barrel, and therefore, the utility model prevents the occurrence of the accident that a Joint of a sucker rod get loosened. Simultaneously, the eccentric wear of the plunger is reduced.
Description
The utility model relates to a kind of preventing in the oil exploitation well, and rod connector connects the device of screw thread escaping-proof.
Deep well oil pumping will lean on the rod string in the oil pipe to drive pump plunger and move reciprocatingly, with oil by extraction ground, shaft bottom.Lean on spiral marking connection between the cloth rod string fully.For example a bite pump setting depth is the oil well of 1600m, and 200 of spiral marking connection joints will be arranged in the rod string.Generally speaking, sucker rod moves back and forth and can reach 14400 times every day.Because the axial force of bearing the tension and compression alternation on the rod string, be subjected to the influence of the variation of the oil well curvature of space simultaneously, and the acting in conjunction of the factors such as reactive torque of the wire rope of wellhead polish rod polished rod eye, cause sucker rod take place to connect the get loose generation of accident of screw thread, thereby cause oil well to stop production, reduce oil well output, increased the oil well operating cost.
At present the home and abroad is that to prevent that sucker rod from connecting the measure of being taked that screw thread gets loose similar, except strengthening tightening torque, generally is on the bottom and the top of rod string a kind of " sucker rod anti-tripping device " to be installed.Fig. 1 is a sucker rod anti-tripping device structural representation, and 1 is female joint among the figure; The 2nd, gland; The 3rd, steel ball; The 4th, pin; The 5th, male joint.The similar bearing that is subjected to responsive to axial force of this device, imagination cause taking off the reactive torque of taking out and can do relative motion in bearing and disappear.The oil recovery field practice proves, the various trip-proof devices of other of similar this principle of device, and effect is not remarkable, and the dropout accident still constantly takes place.
The purpose of this utility model is that a kind of rotary sucker rod nipple anti-drop device will be provided, and it can prevent effectively that the rod string accident that the connecting joint thread looseness is then thrown off in oil recovery process from taking place.
The purpose of this utility model is achieved in that by an oblique mechanism axially-movable to be transformed into and rotatablely moves, and each journey makes the polished rod low-angle that turns clockwise.Polished rod constantly will tighten with the screw thread on the whole rod string nipple that connects mutually below the polished rod in carrying out axially reciprocating, unnecessary rotating cycle will make the oil pump plunger piston that is bound up on the roofbolt foot in the pump barrel inward turning then discharge, thereby prevent the get loose generation of accident of rod connector.For example, when the helical angle on inclined-plane is the vertical effective height on 60 ° of inclined-planes when being 16mm, each washes bar off will rotate 15 ° of 4 ＇, when oil pumper adopt per minute 8 towards the time, polished rod per hour will rotate 21.41 and enclose in theory.
The utility model is simple in structure, to existing operation, for example bump pump, survey producing fluid level, measuring indicator diagram etc. and all do not have influence, owing in oil recovery process, tighten each spiral marking connection joint on the rod string automatically, continuously, lentamente, both stopped the generation that gets loose of nipple on the sucker rod, force the deep-well oil pump plunger in pump barrel, to do to rotate lentamente again, thereby reduced the generation of pump plunger eccentric wear phenomenon.
Concrete structure of the present utility model is provided by following example and accompanying drawing thereof.
Fig. 2 is the structural profile schematic diagram according to the rotary sucker rod nipple anti-drop device that the utility model proposes.
Describe details in detail below in conjunction with Fig. 2 according to the concrete device that the utility model proposes.
As seen from Figure 2, the utility model comprises two parts: polished rod bearing support and polished rod whirligig.
The polished rod bearing support comprises clamping nut 1, is made up of taper slips 2, appending disk 3, bearing 4 and the bearing support body 5 of interior anchor tooth.The 6th, wellhead polish rod, the 7th, the polished rod eye wire rope on the oil pumper, the 8th, polished rod eye crossbeam.Taper slips 2 is housed on the polished rod 6, and in the taper hole of the appending disk 3 of packing into,, makes the taper slips, axial load bearing 4 is installed between appending disk 3 and the bearing support body 5 the polished rod locking by tightening the screw thread on the clamping cap 1.Therefore, on bearing 4, rod string can rotate on bearing polished rod 6 with the deadweight of the rod string below the polished rod and the whole load seats of the fluid column weight more than the deep well pump plunger.The polished rod whirligig comprises gland nut 9, taper slips 10, pin sleeve 11, back-moving spring 12, bearing pin 13, screw inclined plane sleeve 14, planar tooth clutch lower wall 15 compositions.The 16th, be fixed on the polished rod seal root box of well head.By tightening gland nut 9, taper slips 10 is contained in the inner cone of pin sleeve 11, make pin sleeve 11 and polished rod 6 be fixed into an integral body.Screw inclined plane sleeve 14 is contained in the outside of pin sleeve 11, and can rotate, and then bearing pin 13 is passed the helicla flute on the screw inclined plane sleeve 14, is fixed on the pin sleeve 11.When the screw inclined plane of bearing pin 13 on the screw inclined plane sleeve 14 during to lower slider, will force pin sleeve 11 to drive polished rods 6 and rotate a low-angle because at this moment tiltedly the planar tooth clutch on the sleeve 14 with the lower wall engagement and can not rotate.
Describe the course of work of rotary sucker rod nipple anti-drop device in detail below in conjunction with Fig. 3, Fig. 4, Fig. 5.
Fig. 3 be on Fig. 2 E to view.Among the figure, the 13rd, bearing pin, the 14th, screw inclined plane sleeve.At this moment, bearing pin 13 is in the spiral fluted top on the screw inclined plane sleeve 14.
Fig. 4 is a polished rod when being positioned at down stroke and finishing, the position view of each component of rotary sucker rod nipple anti-drop device.Among the figure, the 6th, polished rod, the 5th, polished rod bearing support, the 7th, polished rod eye wire rope, the 8th, hanger crossbeam, the 11st, pin sleeve, the 12nd, back-moving spring, the 13rd, bearing pin, the 14th, screw inclined plane sleeve, the 15th, planar tooth clutch lower wall.Polished rod 6 is before down stroke finishes, at first be that screw inclined plane sleeve 14 combines with planar tooth clutch lower wall 15, be to lower slider then in the helicla flute of bearing pin 13 on screw inclined plane sleeve 14, and generation moving polished rod 6 do a low-angle rotation, till bearing pin slides into the spiral fluted bottom for 13 times.At this moment, back-moving spring 12 is in compressive state, and polished rod 6 has been done a low-angle rotation in polished rod bearing support 5, do not reverse so hanger crossbeam 8 and polished rod eye wire rope 7 all can not produce.
Fig. 5 is a polished rod when being positioned at upstroke and finishing, the position view of each component of rotary sucker rod nipple anti-drop device.When polished rod 6 leaves the bottom dead centre of down stroke, oppositely move upward, the planar tooth throw-out-of clutch, polished rod 6 is being with pin sleeve 11 upwards, under the deadweight effect of back-moving spring 12 and screw inclined plane sleeve 14, screw inclined plane sleeve 14 glides on bearing pin 13 and rotates, and makes bearing pin 13 reset to spiral fluted top on the screw inclined plane sleeve 14 again.
Fig. 6 is a polished rod when getting back to down stroke once more, the position view of each component of rotary sucker rod bolted joint anti-drop device.When polished rod moves downward, bearing pin 13 is in the helicla flute upper end on the inclined-plane sleeve 14, and the planar tooth clutch has meshed, and polished rod will make polished rod rotate an angle more again to bottom offset.
Therefore, sucker rod polished rod pumping in oil recovery process will make polished rod constantly slowly rotate.
Claims (5)
1, for preventing that the connection nipple between the rod string in the rod-pumped well from getting loose the rotary sucker rod nipple anti-drop device of accident, form by two parts: the one, the polished rod bearing support, clamping nut (1), taper slips (2), appending disk (3), bearing (4) and bearing support body (5) are arranged on it, it is characterized in that the tapering of taper slips (2) is identical with the tapering of appending disk internal taper hole; The 2nd, the polished rod whirligig, this device has a screw inclined plane sleeve (14), bearing pin (13) is housed in the helicla flute on it, bearing pin (13) is fixed on the pin sleeve (11), taper slips (10) is arranged in the pin sleeve (11), between screw inclined plane sleeve (14) and the gland nut (9) multiple spring (12) is arranged, pin sleeve (11) is slidingly matched with the inclined-plane sleeve, tapering in the tapering of taper slips (10) and the pin sleeve (11) is identical, and inclined-plane sleeve (14) end face has the tooth of planar tooth clutch.
2, according to the described device of claim 1, it is characterized in that bearing (4) can bear the whole axial loads in the sucker rod running, the appending disk seat is on bearing (4).
3,, it is characterized in that the spiral fluted helical angle on the screw inclined plane sleeve (14) is 60 °～70 ° according to the described device of claim 1.
4, according to the described device of claim 1, it is characterized in that taper slips (2) and (10) they are the elasticity slips that the anchor tooth is arranged on two opening, the endoporus, its cone angle is 10 °～15 °.
5, according to the described device of claim 1, it is characterized in that two of helicla flutes on the screw inclined plane sleeve (14), in a symmetrical arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00247915 CN2453111Y (en) | 2000-08-21 | 2000-08-21 | Screw connector escaping-proof device for spiral oil suction rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00247915 CN2453111Y (en) | 2000-08-21 | 2000-08-21 | Screw connector escaping-proof device for spiral oil suction rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2453111Y true CN2453111Y (en) | 2001-10-10 |
Family
ID=33606720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00247915 Expired - Fee Related CN2453111Y (en) | 2000-08-21 | 2000-08-21 | Screw connector escaping-proof device for spiral oil suction rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2453111Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101617164B (en) * | 2007-02-21 | 2012-04-18 | 瓦卢莱克曼内斯曼油气法国公司 | Protection device for a female end of a threaded tubular joint component with an unscrewing |
| CN108625795A (en) * | 2018-07-09 | 2018-10-09 | 大连坤麟金属制品有限公司 | A kind of disconnected de- device of the anti-roofbolt of rod-pumped well |
-
2000
- 2000-08-21 CN CN 00247915 patent/CN2453111Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101617164B (en) * | 2007-02-21 | 2012-04-18 | 瓦卢莱克曼内斯曼油气法国公司 | Protection device for a female end of a threaded tubular joint component with an unscrewing |
| CN108625795A (en) * | 2018-07-09 | 2018-10-09 | 大连坤麟金属制品有限公司 | A kind of disconnected de- device of the anti-roofbolt of rod-pumped well |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XI AN DONGXIN OIL EQUIPMENT FACTORY Free format text: FORMER OWNER: GONG WEIAN Effective date: 20051014 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20051014 Address after: 710600 green industrial park, Lintong Economic Development Zone, Shaanxi, Xi'an Patentee after: Dongxin Petroleum Equipment Factory, Xi'an Address before: 2 unit 14, 1 District, Changqing District, Changqing, Shaanxi, Xi'an 710021, China 301 Patentee before: Gong Weian |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |