CN203213978U - Comprehensive protector for sucker rod - Google Patents
Comprehensive protector for sucker rod Download PDFInfo
- Publication number
- CN203213978U CN203213978U CN 201320155474 CN201320155474U CN203213978U CN 203213978 U CN203213978 U CN 203213978U CN 201320155474 CN201320155474 CN 201320155474 CN 201320155474 U CN201320155474 U CN 201320155474U CN 203213978 U CN203213978 U CN 203213978U
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- CN
- China
- Prior art keywords
- sucker rod
- shaft sleeve
- shell
- freewheel clutch
- protection device
- 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
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model provides a comprehensive protector for a sucker rod. The comprehensive protector for the sucker rod mainly solves problems of eccentric wear and vibration of the sucker rod. The comprehensive protector for the sucker rod mainly comprises a casing, wherein a disc spring is arranged in the casing, the upper portion of the disc spring is in contact with the bottom of a bearing seat, and the lower surface of the bearing seat is connected with a lower overrun clutch which is connected with a lower shaft sleeve. A bearing is arranged between the lower shaft sleeve and the bearing seat, the upper portion of the lower shaft sleeve is in contact with an upper overrun clutch, two cylindrical driving pins of the upper overrun clutch are arranged in an inclined groove on the casing, the upper overrun clutch is in matching connection with an upper shaft sleeve, the upper portion of the upper shaft sleeve is in matching connection with a tray, and an end cover is in bolt connection with the casing. By means of the scheme of the comprehensive protector for the sucker rod, the problems of eccentric wear, vibration, breaking and releasing of the sucker rod are solved, and sealing of packing is not influenced. Furthermore, the comprehensive protector for the sucker rod has functions of preventing a tubular rod from wear, reducing mechanical loss, preventing rod releasing and pump blocking and the like, avoids rod breaking accidents caused by eccentric wear and vibration sharply, and has the advantages of being multiple in functions, free of operation, easy to maintain and the like.
Description
Technical field
The utility model relates to a kind of device that prevents sucker rod partial wear and mechanical oscillation, especially the sucker rod comprehensive protection device in the oil recovery field, oil field.
Background technology
In real work, sucker-rod pumping system happens occasionally because of the phenomenon that eccentric wear, vibration acting in conjunction cause rod parting and box cupling thereof to be threaded off, bring very big difficulty for the oil field production management, increase a large amount of cost of production simultaneously, the existing measure that prevents eccentric wear mainly contains rotation well head and drag link rocking arm rotating mechanism, can realize the function of sucker rod rotation, but all exist and need the external force adjustment, management inconvenience, there are certain problems such as potential safety hazard, can not solve sucker rod simultaneously and move back and forth the mechanical oscillation that bring.
Summary of the invention
Move back and forth the sucker rod partial wear that produces, the problem of vibration in order to solve sucker-rod pumping system; the utility model proposes a kind of sucker rod comprehensive protection device; this sucker rod comprehensive protection device has solved sucker rod partial wear, vibration and disconnected problem of taking off; the impact force of utilizing polished rod to move back and forth generation forms and to the enough moments of torsion of polished rod it is rotated; prevented the eccentric wear of well head and polished rod; do not influence the sealing of packing; has the effect that absorbs vibration simultaneously; have and install simply; need not operation, the characteristics of easy maintenance.
The technical solution of the utility model is: this sucker rod comprehensive protection device mainly comprises shell; shell is built-in with disk spring; disk spring top contacts with the bearing support bottom; the bearing support soffit is connected with the outer hub of bottom freewheel clutch; the star-wheel of bottom freewheel clutch connects Lower shaft sleeve; between Lower shaft sleeve and the bearing support bearing is installed; the Lower shaft sleeve upper plane contacts with the star-wheel lower plane of top freewheel clutch; the outer hub of top freewheel clutch extends two column types and drives bolt; driving the bolt periphery places in the oblique slot of leaving on the shell cylindrical wall; top freewheel clutch star-wheel upper plane contacts with the Upper shaft sleeve lower flat; Upper shaft sleeve top has step axle and pallet to be connected; step is arranged at the Upper shaft sleeve bottom, and the plane contacts with the counterbore of end cap lower plane on the step, and end cap is connected with the shell bolt.
Described Lower shaft sleeve upper plane and top freewheel clutch star-wheel lower flat; Described top freewheel clutch star-wheel upper plane and Upper shaft sleeve lower flat, every group of two planar central have cylinder step projection and circular counter bore to be connected.
Described end cap top is connected with the adjustment pad, adjusts pad between end cap upper plane and pallet.
Above-mentioned freewheel clutch bottom, bottom is connected with fairlead, and fairlead is conical shell, and fairlead lower housing portion diameter is greater than the circular hole at shell center.
All there is through hole at described each connector center, and the diameter of through hole is greater than polished rod.
The oblique slot position of leaving on the described shell cylindrical wall, its exterior cylindrical surface is connected with dustproof sheet.
Described shell outer cylinder surface both sides are respectively extended and two lanyard arms, and lanyard arm outer rim is left open slot, and two ends, the open slot outside have bearing pin to pass.
Described bearing support and outer casing inner wall sliding connection, a semi-circular projection is respectively extended in bearing support outer cylinder surface both sides, is connected with the groove fit that inner surface of outer cover is left.
Described oblique slot, its center line and cover top portion shape be a in an angle, and its angle is 60 °.
The utlity model has following beneficial effect: this sucker rod comprehensive protection device has adopted such scheme; in the oil pumper running; when sucker rod generation direction changes; the compressing disk spring moves the enclosure group; release energy; driving bolt makes the top freewheel clutch rotate under the effect of oblique slot; drive Upper shaft sleeve; pallet and polished rod chuck rotate; thereby sucker rod partial wear vibration and disconnected problem of taking off when having solved the oil pumping of present oil well pump; do not influence the sealing of packing; have and prevent from managing the bar wearing and tearing; reduce mechanical loss; multinomial function such as anti-drop rod and holddown has significantly reduced because of eccentric wear; the disconnected bar accident that vibration causes is simultaneously to the protection mechanical equipment; it is significant to improve well yield; significantly saved cost of production; it is many to have function, need not operation, maintains characteristics such as simple.
Description of drawings:
Accompanying drawing 1 is section of structure of the present utility model;
Accompanying drawing 2 is A-A sectional drawings of accompanying drawing 1;
Accompanying drawing 3 is B-B sectional drawings of accompanying drawing 1;
Accompanying drawing 4 is that the C of accompanying drawing 1 is to view;
Accompanying drawing 5 is vertical views of the utility model spare 5.
Among the figure 1, shell; 2, disk spring; 3, fairlead; 4, the bottom freewheel clutch; 5, bearing support; 6, bearing; 7, Lower shaft sleeve; 8, the top freewheel clutch; 9, end cap; 10, Upper shaft sleeve; 11, pallet; 12, adjust pad; 13, dustproof sheet; 14, drive bolt; 15, the lanyard arm; 16, bearing pin; 17, oblique slot; 18, angle a; 19, projection; 20, groove.
The specific embodiment:
The utility model is described in further detail below in conjunction with accompanying drawing:
By Fig. 1 in conjunction with Fig. 2; Fig. 3; Fig. 4 and shown in Figure 5; this sucker rod comprehensive protection device comprises shell 1; shell 1 is built-in with disk spring 2; disk spring 2 tops contact with bearing support 5 bottoms; bearing support 5 soffits are connected with the outer hub of bottom freewheel clutch 4; the star-wheel of bottom freewheel clutch 4 connects Lower shaft sleeve 7; between Lower shaft sleeve 7 and the bearing support 5 bearing 6 is installed; Lower shaft sleeve 7 upper plane contact with the star-wheel lower plane of top freewheel clutch 8; the outer hub of top freewheel clutch 8 extends two column types and drives bolt 14; driving bolt 14 peripheries places in the oblique slot of leaving on shell 1 cylindrical wall 17; freewheel clutch 8 star-wheel upper plane in top contact with Upper shaft sleeve 10 lower flat; Upper shaft sleeve 10 tops have step axle and pallet 11 to be connected; step is arranged at Upper shaft sleeve 10 bottoms; the plane contacts with the counterbore of end cap 9 lower planes on the step, and end cap 9 is connected with shell 1 bolt.
Driving bolt 14 places in the oblique slot 17, when the mutual alignment changes, drive bolt 14 generations and can produce horizontal movement when moving up and down, driving top freewheel clutch 8 outer hubs rotates, outer hub drives star-wheel and rotates, star-wheel rotates by the star-wheel that frictional force drives Upper shaft sleeve 10, pallet 11 rotations and bottom freewheel clutch 4, because the characteristic of freewheel clutch, bottom freewheel clutch 4 prevents this rotation backward rotation.
Described Lower shaft sleeve 7 upper plane and top freewheel clutch 8 star-wheel lower flat; Described top freewheel clutch 8 star-wheel upper plane and Upper shaft sleeve 10 lower flat, every group of two planar central have cylinder step projection and circular counter bore to be connected to play the centralized positioning effect, and plane contact produces enough frictional force and makes the 8 drive associated components rotations of top freewheel clutch under pressure.
Described end cap 9 tops are connected with adjusts pad 12, adjust pad 12 between end cap 9 upper plane and pallet 11, change the thickness of adjusting pad 12, make the distance between pallet 11 and the end cap 9 change, just change the stroke of whole device, just drive the lateral separation of bolt 14 in each stroke, thereby change the anglec of rotation of each stroke, that is the rotary speed of polished rod.
Above-mentioned bottom freewheel clutch 4 bottoms are connected with fairlead 3, fairlead 3 is conical shell, fairlead 3 lower housing portion diameters, can pass from the through hole that installs by fairlead 3 when polished rod pierces into device from shell 1 bottom smoothly greater than the circular hole at shell 1 center.
All there is through hole at described each connector center, and the diameter of through hole is greater than polished rod, and the purpose of through hole is to pass polished rod and can not produce friction with polished rod.
Oblique slot 17 positions of leaving on described shell 1 cylindrical wall, its exterior cylindrical surface is connected with dustproof sheet 13, is equipped with sliding agent in the inside of shell 1, and dustproof sheet 13 can prevent that external dust from entering the reduction lubricant effect.
Described shell 1 outer cylinder surface both sides are respectively extended and two lanyard arms 15, and lanyard arm 15 outer rims are left open slot, and two ends, the open slot outside have bearing pin 16 to pass, and this structure can be installed in the wire rope on the horse head on this device easily.
Described bearing support 5 and shell 1 inwall sliding connection, make between bearing support 5 and the shell 1 and can produce displacement, a semi-circular projection 19 is respectively extended in bearing support 5 outer cylinder surface both sides, the groove of leaving with shell 1 inner surface 20 is connected, so, can only produce between bearing support 5 and the shell 1 and move up and down and can not rotate, prevent that bottom freewheel clutch 4 outer hubs from rotating, make whole device internal component to rotate to a direction.
Described oblique slot 17, its center line and shell 1 top shape be a18 in an angle, and its angle is 60 °.
The operating principle of this device is to utilize oil pumper in the drive sucker rod pumps process, each stroke all the alternation of loading can occur, the energy drives disk spring that utilizes the load alternation to produce produces compression, the device internal component produces displacement, utilize the effect that drives bolt and oblique slot that the device inner assembly is rotated, release energy simultaneously and alleviate vibration, the top freewheel clutch cooperates with the bottom freewheel clutch makes the device inner assembly to rotate along a direction, stroke rotates an angle each time, thereby realizes preventing the function of polished rod eccentric wear and damping.
Claims (1)
1. sucker rod comprehensive protection device; this sucker rod comprehensive protection device mainly comprises shell (1); it is characterized in that: shell (1) is built-in with disk spring (2); disk spring (2) top contacts with bearing support (5) bottom; bearing support (5) soffit is connected with the outer hub of bottom freewheel clutch (4); the star-wheel of bottom freewheel clutch (4) connects Lower shaft sleeve (7); between Lower shaft sleeve (7) and the bearing support (5) bearing (6) is installed; Lower shaft sleeve (7) upper plane contacts with the star-wheel lower plane of top freewheel clutch (8); the outer hub of top freewheel clutch (8) extends two column types and drives bolt (14); driving bolt (14) periphery places in the oblique slot of leaving on shell (1) cylindrical wall (17); top freewheel clutch (8) star-wheel upper plane contacts with Upper shaft sleeve (10) lower flat; Upper shaft sleeve (10) top has step axle and pallet (11) to be connected; step is arranged at Upper shaft sleeve (10) bottom; the plane contacts with the counterbore of end cap (9) lower plane on the step, and end cap (9) is connected with shell (1) bolt.
2.Sucker rod comprehensive protection device according to claim 1 is characterized in that: described Lower shaft sleeve (7) upper plane and top freewheel clutch (8) star-wheel lower flat; Described top freewheel clutch (8) star-wheel upper plane and Upper shaft sleeve (10) lower flat, every group of two planar central have cylinder step projection and circular counter bore to be connected.
3.Sucker rod comprehensive protection device according to claim 2 is characterized in that: described end cap (9) top is connected with adjusts pad (12), adjusts pad (12) and is positioned between end cap (9) upper plane and the pallet (11).
4.Sucker rod comprehensive protection device according to claim 1; it is characterized in that: above-mentioned bottom freewheel clutch (4) bottom is connected with fairlead (3); fairlead (3) is conical shell, and fairlead (3) lower housing portion diameter is greater than the circular hole at shell (1) center.
5.Sucker rod comprehensive protection device according to claim 1 is characterized in that: oblique slot (17) position of leaving on described shell (1) cylindrical wall, its exterior cylindrical surface is connected with dustproof sheet (13).
6.Sucker rod comprehensive protection device according to claim 1 is characterized in that: described shell (1) outer cylinder surface both sides are respectively extended and two lanyard arms (15), and lanyard arm (15) outer rim is left open slot, and two ends, the open slot outside have bearing pin (16) to pass.
7.Sucker rod comprehensive protection device according to claim 1; it is characterized in that: described bearing support (5) and shell (1) inwall sliding connection; a semi-circular projection (19) is respectively extended in bearing support (5) outer cylinder surface both sides, and the groove of leaving with shell (1) inner surface (20) is connected.
8.Sucker rod comprehensive protection device according to claim 1 is characterized in that: described oblique slot (17), and its center line and shell (1) top shape is a (18) in an angle, and its angle is 60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320155474 CN203213978U (en) | 2013-03-31 | 2013-03-31 | Comprehensive protector for sucker rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320155474 CN203213978U (en) | 2013-03-31 | 2013-03-31 | Comprehensive protector for sucker rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203213978U true CN203213978U (en) | 2013-09-25 |
Family
ID=49203525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320155474 Expired - Fee Related CN203213978U (en) | 2013-03-31 | 2013-03-31 | Comprehensive protector for sucker rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203213978U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103184839A (en) * | 2013-03-31 | 2013-07-03 | 大庆吉凯石油科技有限公司 | Integrated protector for sucker rods |
-
2013
- 2013-03-31 CN CN 201320155474 patent/CN203213978U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103184839A (en) * | 2013-03-31 | 2013-07-03 | 大庆吉凯石油科技有限公司 | Integrated protector for sucker rods |
| CN103184839B (en) * | 2013-03-31 | 2015-09-16 | 大庆吉凯石油科技有限公司 | Synthetic protector for sucker rod |
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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: 20130925 Termination date: 20150331 |
|
| EXPY | Termination of patent right or utility model |