CN102108841A - Lifting pup joint - Google Patents
Lifting pup joint Download PDFInfo
- Publication number
- CN102108841A CN102108841A CN2009102450647A CN200910245064A CN102108841A CN 102108841 A CN102108841 A CN 102108841A CN 2009102450647 A CN2009102450647 A CN 2009102450647A CN 200910245064 A CN200910245064 A CN 200910245064A CN 102108841 A CN102108841 A CN 102108841A
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- CN
- China
- Prior art keywords
- lifting
- sleeve pipe
- connecting element
- pup joint
- sleeve
- 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.)
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Abstract
The invention provides a lifting pup joint, of which a middle part is cylindrical and two ends are respectively a sleeve connecting element and an elevator connecting element. The sleeve connecting element and the elevator connecting element are also cylindrical, and the periphery of the sleeve connecting element is provided with a buckle matched with a sleeve to be connected. The lifting pup joint is designed to be light and convenient, is simple in operation and excellent in tensile property and shock resistance, and can load the gravity of at least 20 tons according to field work conditions; when the lifting pup joint is used, the field operation of an integral joint direct connected sleeve is successfully performed under the transformation function of the lifting sub, so the lifting pup joint has very important production practice significance.
Description
Technical field
The present invention relates to a kind of lifting frock, particularly relate to a kind of lifting sub.
Background technology
One end of no box cupling direct linkage type sleeve pipe is the cover interface tube, and the other end is casing joint, need not traditional box cupling in the use and carries out connection between the sleeve pipe, and structure is simpler, is easy to processing and manufacturing, and bonding strength height between sleeve pipe and the sleeve pipe, good seal performance; Help improving operating efficiency.Yet in using at the scene, this kind sleeve pipe can't be connected use with aboveground kit, therefore designs a kind of lifting sub that plays transformation, to satisfy the smooth use of field operation, is to have very much the production practices meaning.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of lifting sub.
For solving the problems of the technologies described above, technical scheme of the present invention is:
A kind of lifting sub, its middle part is a cylindrical shape, and two ends are respectively sleeve pipe link and elevator link, and described sleeve pipe link and elevator link also are cylindrical shape, and the sleeve pipe link outside has the button-type that is complementary with sleeve pipe to be connected.
Preferably, above-mentioned lifting sub, the button-type in the described sleeve pipe link outside is inclined to one side ladder lock external screw thread.
Preferably, above-mentioned lifting sub, described lifting sub material is the 35CrMo structural alloy steel.
The invention has the beneficial effects as follows:
Above-mentioned lifting sub design is light, simple to operate, have outstanding tensile property and shock resistance, can bear according to field working conditions and to be not less than 20 tons gravity, in use, satisfy carrying out smoothly of no box cupling direct linkage type sleeve field operation by its transformation, had very important production practices meaning.
Description of drawings
Fig. 1 is the structural representation of a kind of lifting sub provided by the invention.
Among the figure: 1-sleeve pipe link 2-elevator link
The specific embodiment
Below in conjunction with accompanying drawing structure of the present invention is described in detail:
As shown in Figure 1, a kind of lifting sub, make by the 35CrMo structural alloy steel, its middle part is a cylindrical shape, two ends are respectively sleeve pipe link 1 and elevator link 2, described sleeve pipe link 1 and elevator link 2 also are cylindrical shape, and sleeve pipe link 1 outside has the inclined to one side ladder lock external screw thread that is complementary with sleeve pipe to be connected.
The course of work of above-mentioned lifting sub:
The sleeve pipe link 1 of described lifting sub and the cover interface tube (being provided with inclined to one side ladder lock internal thread) of no box cupling direct linkage type sleeve pipe are fastened by screw buckle, elevator link 2 and the supporting use of on-the-spot instrument, thus realized that no box cupling direct linkage type sleeve pipe is connected the purpose of using with aboveground kit.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (3)
1. lifting sub, it is characterized in that: its middle part is cylindrical shape, two ends are respectively sleeve pipe link and elevator link, and described sleeve pipe link and elevator link also are cylindrical shape, and the sleeve pipe link outside has the button-type that is complementary with sleeve pipe to be connected.
2. a kind of lifting sub according to claim 1 is characterized in that: the button-type in the described sleeve pipe link outside is inclined to one side ladder lock external screw thread.
3. a kind of lifting sub according to claim 1 is characterized in that: described lifting sub material is the 35CrMo structural alloy steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102450647A CN102108841A (en) | 2009-12-25 | 2009-12-25 | Lifting pup joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102450647A CN102108841A (en) | 2009-12-25 | 2009-12-25 | Lifting pup joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102108841A true CN102108841A (en) | 2011-06-29 |
Family
ID=44173112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102450647A Pending CN102108841A (en) | 2009-12-25 | 2009-12-25 | Lifting pup joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102108841A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111206886A (en) * | 2020-01-17 | 2020-05-29 | 广州海洋地质调查局 | Drill string suspension method for ocean deep drilling operation |
-
2009
- 2009-12-25 CN CN2009102450647A patent/CN102108841A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111206886A (en) * | 2020-01-17 | 2020-05-29 | 广州海洋地质调查局 | Drill string suspension method for ocean deep drilling operation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110629 |