CN2913591Y - Error correctable directional smooth rod sealing device for pumping unit having sucker rod - Google Patents
Error correctable directional smooth rod sealing device for pumping unit having sucker rod Download PDFInfo
- Publication number
- CN2913591Y CN2913591Y CN 200620097662 CN200620097662U CN2913591Y CN 2913591 Y CN2913591 Y CN 2913591Y CN 200620097662 CN200620097662 CN 200620097662 CN 200620097662 U CN200620097662 U CN 200620097662U CN 2913591 Y CN2913591 Y CN 2913591Y
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- CN
- China
- Prior art keywords
- packing box
- joint
- stuffing
- tuning
- elongated bolt
- 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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Abstract
The utility model discloses a polished rod stuffing box for sucker rod pumping unit and capable of error correction and direction regulation, and comprises an adapter, a connection screw bolt, a packing box, a stuffing and a gland. The adapter and packing box are provided respectively with correcting flanges. The correcting flange on the adapter is provided with a proper number of elongated bolt holes, and the correcting flange on the packing box is provided with the corresponding number of elongated bolt holes. The elongated bolt hole on the correcting flange of the adapter is arranged at a proper angle to the elongated bolt hole at the corresponding position on the correcting flange of the packing box. The utility model utilizes a pair of correcting flange groups to allow the packing box to have a parallel displacement in any direction according to the practical need, so that the central line of the packing box filled with the stuffing is aligned to that of the polished rod of the pumping unit. As a result, the utility model can avoid the eccentric wear of stuffing, prolong the service life of stuffing, reduce the frequency of changing stuffing, reduce the labor intensity, and increase the production efficiency of pumping unit.
Description
Affiliated technical field:
The utility model relates to a kind of sealing device of polished rod of oil well jaws equipment sucker rod pumping machine, especially belongs to a kind of polished rod sealer of sucker rod pumping machine.
Background technology:
When oil field sucker rod pumping machine is worked, need the polished rod that pump be sealed reliably, in order to avoid crude oil leakage causes environment pollution.Owing to the not high reason of the installation accuracy of wellhead equipment, oil pumper causes both decentraction of most of polished rod center lines and mouth of pumped oil well center line, also not parallel, both produced so-called horizontal-shift and angular deflection.Such skew causes polished rod when moving back and forth the encapsulant in the polished rod sealer (as packing) to be produced eccentric wear, shorten the application life of encapsulant, increase field worker and change the number of times of encapsulant, reduce the production efficiency of oil pumper, improve cost for oil production.At present, the polished rod sealer that adopt in the oil field with correction tuning function, parallel-moving type correction dish is adopted in the level correction mostly, and by manual adjustment, level correction precision is lower; The spherical joint tuning is adopted in angular deflection basically, operates cumbersomely, and processing cost is higher.
Summary of the invention:
It is a kind of simple in structure that the utility model provides, and the sucker rod pumping machine of the tuning of can the rectifying a deviation tuning polished rod sealer of can rectifying a deviation is installed easily.
The purpose of this utility model is achieved in that the described sucker rod pumping machine tuning polished rod sealer of can rectifying a deviation, comprise joint, connecting bolt, packing box, encapsulant and gland, its design feature is that described joint and packing box have the correction flange respectively, correction flange on the joint is provided with the elongated bolt hole of suitable number, correction flange on the packing box is provided with the in addition elongated bolt hole of corresponding number, and other the elongated bolt hole that opposite position is provided with on the correction flange on elongated bolt hole and the packing box on the correction flange on the joint forms suitable angle.
The purpose of this utility model also can be achieved through the following technical solutions, the described sucker rod pumping machine tuning polished rod sealer of can rectifying a deviation, its characteristics are for being provided with biased plate and following biased plate between joint and the packing box, biased plate is hollow cylinder or hollow polygon cylinder up and down, and two mutual shapes of end face of cylinder have a certain degree.The described sucker rod pumping machine tuning polished rod sealer of can rectifying a deviation, its characteristics are for respectively being provided with O type circle being positioned at rise on the dish and the contact surface of following tuning dish, on contacting, be provided with O type circle on above the tuning dish, be provided with O type circle on below the following tuning dish that contacts with joint with packing box.
The utility model advantage: utilize a pair of correction flange group can make packing box produce the translation of a certain amount of any direction according to actual needs, the angular deflection that utilizes tuning dish group system can make the center line of the center line of packing box and joint produce a certain amount of any direction, thereby the center line of the packing box of filling encapsulant is alignd with the center line of oil-extractor polish-rod, reach the purpose of effectively avoiding the encapsulant eccentric wear, prolong the application life of encapsulant, reduce the number of times of changing encapsulant, reduce working strength of workers, improve the productivity ratio of oil pumper.
Description of drawings:
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the upward view of joint of the present utility model.
Fig. 3 is the vertical view of packing box of the present utility model.
The specific embodiment:
Below in conjunction with drawings and Examples structure of the present utility model and operating principle and the course of work are elaborated:
As Fig. 1, Fig. 2, shown in Figure 3, the described sucker rod pumping machine tuning polished rod sealer of can rectifying a deviation, include joint 1, connecting bolt 4, packing box 5, encapsulant 6, gland 7, polished rod 8, its design feature is that described joint 1 and packing box 5 have the correction flange respectively, correction flange on the joint is provided with the elongated bolt hole 10 of suitable number, correction flange on the packing box 5 is provided with the elongated bolt hole 11 in addition of corresponding number, and elongated bolt hole 11 shapes in addition that opposite position is provided with on the correction flange on the correction flange on the joint on elongated bolt hole 10 and the packing box 5 have a certain degree, example is that 90 degree also can be other angle certainly among the figure, depend on actual need and decide, utilize the correction flange to form certain angle bolt hole and regulate the translation that can make packing box 5 produce a certain amount of any direction with respect to joint 1.In addition, also can put at least between joint 1 and the packing box 5 have superimposed up and down on tuning dish and following tuning dish formation, example of the present utility model adopts one group, also can adopt a plurality of superimposed uses to form multistage adjusting in fact; Between joint 1 and packing box 5, be provided with biased plate 3 and following biased plate 2, biased plate is hollow cylinder or hollow polygon cylinder up and down, cylindrical two mutual shapes of end face have a certain degree, rotation cooperation by last tuning dish 3 and following tuning dish 2 can produce 0 and spend arbitrarily angled to 2 * N degree, wherein N is the angle that cylindrical two end faces form, the tuning dish can change the direction of angular deflection about rotating two simultaneously, in order to increase the sealing of contact surface, on the dish and the contact surface of following tuning dish, respectively be provided with O type circle 9 being positioned at rise, on contacting, be provided with O type circle 9 on above the tuning dish, be provided with O type circle 9 on below the following tuning dish that contacts with joint 1 with packing box 5.Joint 1 is connected by connecting bolt 4 with packing box 5, encapsulant 6 is placed in the annular seal space of packing box 5, be fixed on by gland 7 in the annular seal space of packing box 5, polished rod sealer of the present utility model is installed on the well head joint of producing well by joint 1, polished rod sealer of the present utility model, its interior encapsulant 6 of annular seal space that is placed on packing box 5 contacts with polished rod 8, forms the sealing to polished rod.Therefore, the utility model utilizes a pair of correction flange group can make packing box 5 produce the translation of a certain amount of any direction according to actual needs, the angular deflection that utilizes the rotation combination of tuning dish 2, tuning dish 3 can make the center line of the center line of packing box and joint produce a certain amount of any direction, thereby the center line of the packing box 5 of filling encapsulant 6 is alignd with the center line of oil-extractor polish-rod 8, reach the purpose of effectively avoiding encapsulant 6 eccentric wears.After adjusting finished, joint 1 was fixing by connecting bolt 4 with packing box 5.
Claims (3)
1, a kind of sucker rod pumping machine tuning polished rod sealer of can rectifying a deviation, comprise joint (1), connecting bolt (4), packing box (5), encapsulant (6) and gland (7), it is characterized in that described joint (1) and packing box (5) have the correction flange respectively, correction flange on the joint is provided with the elongated bolt hole (10) of suitable number, correction flange on the packing box (5) is provided with the in addition elongated bolt hole (11) of corresponding number, and the elongated bolt hole (11) in addition that opposite position is provided with on the correction flange on elongated bolt hole (10) and the packing box (5) on the correction flange on the joint forms suitable angle.
2, the sucker rod pumping machine according to claim 1 tuning polished rod sealer of can rectifying a deviation, it is characterized in that between joint (1) and packing box (5), being provided with biased plate (3) and following biased plate (2), biased plate is hollow cylinder or hollow polygon cylinder up and down, and two mutual shapes of end face of cylinder have a certain degree.
3, the sucker rod pumping machine according to claim 2 tuning polished rod sealer of can rectifying a deviation, it is characterized in that on the dish and the contact surface of following tuning dish, respectively being provided with O type circle (9) being positioned at rise, with above the last tuning dish that packing box (5) contacts on be provided with O type circle (9), on below following tuning dish that joint (1) contacts, be provided with O type circle (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620097662 CN2913591Y (en) | 2006-07-03 | 2006-07-03 | Error correctable directional smooth rod sealing device for pumping unit having sucker rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620097662 CN2913591Y (en) | 2006-07-03 | 2006-07-03 | Error correctable directional smooth rod sealing device for pumping unit having sucker rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2913591Y true CN2913591Y (en) | 2007-06-20 |
Family
ID=38168190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620097662 Expired - Fee Related CN2913591Y (en) | 2006-07-03 | 2006-07-03 | Error correctable directional smooth rod sealing device for pumping unit having sucker rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2913591Y (en) |
-
2006
- 2006-07-03 CN CN 200620097662 patent/CN2913591Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070620 Termination date: 20100703 |