CN205477490U - But back -off formula sucker rod fisher - Google Patents
But back -off formula sucker rod fisher Download PDFInfo
- Publication number
- CN205477490U CN205477490U CN201620325461.0U CN201620325461U CN205477490U CN 205477490 U CN205477490 U CN 205477490U CN 201620325461 U CN201620325461 U CN 201620325461U CN 205477490 U CN205477490 U CN 205477490U
- Authority
- CN
- China
- Prior art keywords
- packing gland
- column jecket
- salvaging
- ring
- face
- 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
Abstract
The utility model discloses a but back -off formula sucker rod fisher, including salvage the column jacket, alternately spout, the throat conical surface, leading -in inclined plane, slip pipe, location frid, toper slips, seal and separate gland, central annular ring, agree with the fixture block, locating screw holes, set screw, answer spring, go up takeover, circular slot, connecting thread. The utility model discloses the structure principle of device is simple, through embedding the fishing slip to making it reciprocate in the inside of column jacket and realizing that the back -off is flexible, the cooperation through the spring makes it can reply the extrusion downwards in the ascending while when the downside atress is filled, whole device with low costs, and the installation simple operation is effective.
Description
Technical field
This utility model relates to a kind of fishing device, a kind of upside down fastened pumping rod salvager.
Background technology
Fishing spear is mainly buys oil pipe for salvaging on oil field.Current existing fishing spear, including top connection, top connection lower end
At endoporus connect have shaft, shaft lower end to be cased with tubular slips, slips leading exterior surface has ridge, screw thread facing circumferentially between
Separating and have longitudinal strip gap, there is the upper spaced conical surface on the shaft lower circumferential surface of corresponding slips longitudinal strip ridge；Lance
It is cased with the adapter sleeve being connected with top connection lower end on bar, adapter sleeve has and the back of the body cap of top connection lower end twist-on.Beating of this structure
Dragging for lance, structure is complicated, and cost is high, fragile, it is difficult to maintenance.
Utility model content
The purpose of this utility model is the deficiency existed for prior art, it is provided that a kind of upside down fastened pumping rod salvager.
To achieve the above object, the method that this utility model uses is: a kind of upside down fastened pumping rod salvager, including beating
Drag for column jecket, intersect chute, the reducing conical surface, import inclined-plane, slip pipe, positioning groove plate, taper slips, packing gland, in
Thimble hole, agree with fixture block, positioning screw hole, fixing screw, returning spring, upper connecting tube, circular groove, connection screw thread；Described friendship
Fork chute is positioned on the upper semisection tube wall salvaging column jecket, is 90 degree of angle distributions, in the lower end intersecting chute between adjacent chute
Face height and position is that the salvaging column jecket inwall of starting point is provided with the reducing conical surface, and the face, bottom salvaging column jecket is provided with importing inclined-plane,
The outer ring cylinder of described slip pipe contacts with the upper semisection inner ring surface salvaging column jecket, and it is fixed to be fixed with on the cylinder of sliding cylinder
Position frid, the width of positioning groove plate is consistent with the width of intersection chute, is fitted to each other and is slidably connected, in the lower surface of slip pipe
Being fixedly connected with taper slips, the upper surface of the lower surface of described packing gland and salvaging column jecket is just to contacting, at packing gland
End face center be provided with center ring hole, the lower surface anchor ring of packing gland is provided with and intersect annular groove connect agree with fixture block,
Corresponding distribution, is provided with positioning screw hole at the end face of ring up and down of packing gland and the upper end surface of salvaging column jecket, and positioning screw hole is positioned at
The adjacent centre position agreeing with fixture block, salvages the one_to_one corresponding on the position of positioning screw hole on column jecket and packing gland, by fixing
Screw is attached, and the lower surface of described returning spring contacts with the upper surface of slip pipe, on the downside of upper surface and packing gland
Agree with fixture block lower surface contact, the outer side ring surface of packing gland is provided with connection screw thread, is provided with circle in the lower surface of upper connecting tube
Groove, the bottom of circular groove inner ring surface is again provided with connecting screw thread so that upper connecting tube and packing gland connect by connecting screw thread rotation,
Upper connecting tube is connected by the internal thread buckle fisher bar of upper end.
As preferably, the described approaching face importing inclined-plane is convex surfaces.
As preferably, the interior male cone (strobilus masculinus) of described taper slips is provided with ring screw facing upwards.
As preferably, the diameter of described center ring hole is less than the upper end inner ring surface diameter salvaging column jecket.
Beneficial effect
The structural principle of this utility model device is simple, by fishing slip is carried out built-in, and can be in the inside of column jecket
Move up and down and realize back-off and stretch, can same upwards downside stress is filled when by the cooperation of spring
Time, reply downwards extruding, the low cost of whole device, simple operation is installed effective.
Accompanying drawing explanation
Fig. 1 this utility model apparatus structure schematic diagram；
Fig. 2 this utility model device packing gland schematic top plan view；
Wherein, 1-salvages column jecket, 2-intersects chute, the 3-reducing conical surface, 4-import inclined-plane, 5-slip pipe, 6-positioning groove plate, 7-cone
Shape slips, 8-packing gland, 9-center ring hole, 10-agree with fixture block, 11-positioning screw hole, 12-fix screw, 13-returning spring,
14-upper connecting tube, 15-circular groove, 16-connect screw thread.
Detailed description of the invention
Below in conjunction with the accompanying drawings and specific embodiment, being further elucidated with this utility model, the present embodiment is with this utility model technical side
Implement under premised on case, it should be understood that these embodiments are merely to illustrate this utility model rather than limit of the present utility model
Scope.
The upside down fastened pumping rod salvager of one as shown in Fig. 1 to Fig. 2, including salvaging column jecket 1, intersection chute 2, reducing cone
Face 3, import inclined-plane 4, slip pipe 5, positioning groove plate 6, taper slips 7, packing gland 8, center ring hole 9, agree with card
Block 10, positioning screw hole 11, fixing screw 12, returning spring 13, upper connecting tube 14, circular groove 15, connection screw thread 16.
The chute 2 that intersects is positioned on the upper semisection tube wall salvaging column jecket 1, is 90 degree of angle distributions, is intersecting between adjacent chute
Salvaging column jecket 1 inwall that lower surface height and position is starting point of chute 2 is provided with the reducing conical surface 3, salvage column jecket 1 under
End face is provided with importing inclined-plane 4, and the approaching face importing inclined-plane 4 is convex surfaces, it is possible to make in lower surface end face and lower surface
Between central hole, turning angle is smooth, it is to avoid salvages thing during salvaging and becomes clogged in.
The outer ring cylinder of slip pipe 5 contacts with the upper semisection inner ring surface salvaging column jecket 1, is fixed with on the cylinder of sliding cylinder
Positioning groove plate 6, the width of positioning groove plate 6 is consistent with the width of intersection chute 2, is fitted to each other and is slidably connected, at slip pipe 5
Lower surface be fixedly connected with taper slips 7, the interior male cone (strobilus masculinus) of taper slips 7 is provided with ring screw facing upwards, mainly
In order to period salvages range expansion, utilize upper interior male cone (strobilus masculinus) for different salvaging things.
The lower surface of packing gland 8, is provided with in the end face center of packing gland 8 just to contacting with the upper surface salvaging column jecket 1
Center ring hole 9, the diameter of center ring hole 9 is less than the upper end inner ring surface diameter of salvaging column jecket 1, primarily to can have
Certain annular coverage rate is easy to the support of returning spring 13 upper surface.
The lower surface anchor ring of packing gland 8 is provided with and intersect that annular groove connects agree with fixture block 10, corresponding distribution, in packing pressure
The end face of ring up and down of lid 8 and the upper end surface of salvaging column jecket 1 are provided with positioning screw hole 11, and positioning screw hole 11 is positioned at adjacent agreeing with
The centre position of fixture block 10, salvages the one_to_one corresponding on the position of positioning screw hole 11 on column jecket 1 and packing gland 8, by solid
Determine screw 12 to be attached.
The lower surface of returning spring 13 contacts with the upper surface of slip pipe 5, agrees with fixture block 10 on the downside of upper surface and packing gland 8
Lower surface contacts, and is provided with connection screw thread 16, is provided with circular groove in the lower surface of upper connecting tube 14 on the outer side ring surface of packing gland 8
15, the bottom of circular groove 15 inner ring surface is again provided with connecting screw thread 16 so that upper connecting tube 14 and packing gland 8 are by connecting spiral shell
Stricture of vagina 16 is rotatably connected, and upper connecting tube 14 is connected by the internal thread buckle fisher bar of upper end.
Claims (4)
1. a upside down fastened pumping rod salvager, it is characterised in that: include salvaging column jecket (1), intersection chute (2), the reducing conical surface
(3), inclined-plane (4), slip pipe (5), positioning groove plate (6), taper slips (7), packing gland (8), center are imported
Annular distance (9), agree with fixture block (10), positioning screw hole (11), fixing screw (12), returning spring (13), upper connecting tube (14),
Circular groove (15), connection screw thread (16)；Described intersection chute (2) is positioned on the upper semisection tube wall salvaging column jecket (1), phase
It is 90 degree of angle distributions between adjacent chute, is intersecting salvaging column jecket (1) that lower surface height and position is starting point of chute (2)
Inwall is provided with the reducing conical surface (3), and the face, bottom salvaging column jecket (1) is provided with importing inclined-plane (4), described slip pipe (5)
Outer ring cylinder with salvage column jecket (1) upper semisection inner ring surface contact, the cylinder of sliding cylinder is fixed with positioning groove plate (6),
The width of positioning groove plate (6) is consistent with the width of intersection chute (2), is fitted to each other and is slidably connected, at slip pipe (5)
Lower surface is fixedly connected with taper slips (7), the lower surface of described packing gland (8) and the upper surface of salvaging column jecket (1)
Just to contact, it is provided with center ring hole (9) in the end face center of packing gland (8), at the lower surface ring of packing gland (8)
Face be provided with and intersect that annular groove connects agree with fixture block (10), corresponding distribution, packing gland (8) the end face of ring up and down and
The upper end surface salvaging column jecket (1) is provided with positioning screw hole (11), and positioning screw hole (11) is positioned at the adjacent fixture block (10) that agrees with
Centre position, the one_to_one corresponding on the position of the upper positioning screw hole (11) of salvaging column jecket (1) and packing gland (8), by solid
Determining screw (12) to be attached, the lower surface of described returning spring (13) contacts with the upper surface of slip pipe (5), on
End face contacts with fixture block (10) lower surface of agreeing with of packing gland (8) downside, sets on the outer side ring surface of packing gland (8)
Having connection screw thread (16), be provided with circular groove (15) in the lower surface of upper connecting tube (14), the bottom of circular groove (15) inner ring surface is same
Sample is provided with connection screw thread (16) so that upper connecting tube (14) and packing gland (8) are rotatably connected by connecting screw thread (16),
Upper connecting tube (14) is connected by the internal thread buckle fisher bar of upper end.
The upside down fastened pumping rod salvager of one the most according to claim 1, it is characterised in that: described importing inclined-plane (4)
Approaching face be convex surfaces.
The upside down fastened pumping rod salvager of one the most according to claim 1, it is characterised in that: described taper slips (7)
Interior male cone (strobilus masculinus) be provided with ring screw facing upwards.
The upside down fastened pumping rod salvager of one the most according to claim 1, it is characterised in that: described center ring hole (9)
Diameter less than salvage column jecket (1) upper end inner ring surface diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620325461.0U CN205477490U (en) | 2016-04-18 | 2016-04-18 | But back -off formula sucker rod fisher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620325461.0U CN205477490U (en) | 2016-04-18 | 2016-04-18 | But back -off formula sucker rod fisher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205477490U true CN205477490U (en) | 2016-08-17 |
Family
ID=56640745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620325461.0U Expired - Fee Related CN205477490U (en) | 2016-04-18 | 2016-04-18 | But back -off formula sucker rod fisher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205477490U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112696167A (en) * | 2019-10-23 | 2021-04-23 | 中国石油化工股份有限公司 | Underground fishing device |
-
2016
- 2016-04-18 CN CN201620325461.0U patent/CN205477490U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112696167A (en) * | 2019-10-23 | 2021-04-23 | 中国石油化工股份有限公司 | Underground fishing device |
| CN112696167B (en) * | 2019-10-23 | 2022-07-26 | 中国石油化工股份有限公司 | Underground fishing device |
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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: 20160817 Termination date: 20170418 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |