CN203867499U - Automatic centering mechanism for spring pipe tools - Google Patents
Automatic centering mechanism for spring pipe tools Download PDFInfo
- Publication number
- CN203867499U CN203867499U CN201420279471.6U CN201420279471U CN203867499U CN 203867499 U CN203867499 U CN 203867499U CN 201420279471 U CN201420279471 U CN 201420279471U CN 203867499 U CN203867499 U CN 203867499U
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- CN
- China
- Prior art keywords
- automatic centering
- centering mechanism
- centering
- utility
- connecting plate
- 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 relates to an automatic centering mechanism for spring pipe tools. The automatic centering mechanism comprises a guiding ring and a fixed base, the guiding ring is connected with the fixed base, the lower end of the guiding ring is connected with an upper connecting plate, six centering plate springs are vertically connected to the upper connecting plate and a lower connecting plate through bolts at equal angles respectively, and the six centering plate springs are bent inwards. Automatic centering can be conducted on the pipe tools different in diameter through the automatic centering mechanism. The automatic centering mechanism is simple in structure, safe and reliable in an operation process, high in working efficiency and capable of relieving labor intensity of workers. The automatic centering mechanism overcomes the defects that according to an existing drilling tool in a rat hole, manual centering is needed, an operation process is not safe or reliable, working efficiency is low, and labor intensity is high.
Description
Technical field:
The utility model relates to the rat hole on a kind of offshore oil drilling platform, particularly a kind of spring pipe automatic centering mechanism.
Background technology:
In wellbore construction process, rat hole is for storing the device of the pipes such as drilling rod and drill collar.Drilling rod rises to rat hole from drilling rod stockyard, waits for that top driving device carries out stacks construction.In this process, because the diameter of rat hole is greater than the external diameter of drilling rod, it is tilted-putted causing drilling tool in rat hole.In common drilling equipment, adopt and manually realize aligning of pipe.And in drilling tool intelligence movement exhaust system, the drilling tool in rat hole captures by a manipulator, this just requires drilling tool in rat hole must be at any time in vertical state completely, just can well to be captured.Meanwhile, the external diameter of the pipe using during due to drilling well has a lot of sizes, and this just requires centralising device can also well adapt to different pipe diameters.
Utility model content:
The technical problems to be solved in the utility model is to provide a kind of spring pipe automatic centering mechanism, and this device is arranged on rat hole top, has realized and can automatically to the pipe of different-diameter, carry out centering, simple in structure, safe operation process is reliable, and operating efficiency is high, alleviates labor strength.Overcome drilling tool in existing rat hole and need to manually carry out centering, operating process is dangerous reliable, inefficiency, the deficiency that labour intensity is large.
Technical solution adopted in the utility model is: a kind of spring pipe automatic centering mechanism, comprises holder and guide ring; Connection fixing base on guide ring, guide ring lower end connects upper junction plate, six centering leaf springs up and down respectively equal angles be bolted on upper junction plate and lower connecting plate, six centering leaf springs all keep the shape that curves inwardly.
The beneficial effects of the utility model are: the utility model is owing to having adopted centering leaf spring, thereby have and can automatically to the pipe of different-diameter, carry out the function of centering, and simple in structure, safe operation process is reliable, and operating efficiency is high, alleviates labor strength.
Accompanying drawing explanation:
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
Fig. 1 is structural representation of the present utility model.
Schematic diagram when Fig. 2 is the utility model use.
The specific embodiment:
As shown in Figure 1, a kind of spring pipe automatic centering mechanism, comprises holder 1 and guide ring 2; On guide ring 2, connection fixing base 1, guide effect when guide ring 2 is responsible for pipe turnover centralising device, guide ring 2 lower ends connect upper junction plate 3, six centering leaf springs 5 up and down respectively equal angles by bolt 6, be connected on upper junction plate 3 and lower connecting plate 6, six centering leaf springs 5 all keep curving inwardly shape.
As shown in Figure 2, when the utility model is used, holder 1 is fixed on whole device by bolt on the installing plate of rig floor, and upper junction plate 3 and lower connecting plate 6 are bolted on rat hole 7 inwalls, the centering of realizing pipe by six centering leaf springs 5.Leaf spring just keeps aduncate state when not carrying out centering action, when having pipe to pass through the center of leaf spring, because its pipe external diameter is greater than the hole that six centering leaf springs 5 form, this just impels leaf spring to expand outwardly, but there is fixed constraint at the two ends up and down of leaf spring, make leaf spring produce inside elastic force, by the elastic force of six centering leaf springs 5, promote pipe to central motion, complete centering process.
The utility model is arranged near position drilling machine well mouth, and well head belongs to senior requirement of explosion proof region, and the utility model adopts centering leaf spring to drive, have without electric spark, reliable operation, easy and simple to handle, invest the advantages such as little.Clamping force of the present utility model is self-adjusting, and according to the difference of pipe external diameter, this device can compensate automatically, automatically carries out centering.
Be understandable that, above about specific descriptions of the present utility model, only for being described, the utility model is not limited to the described technical scheme of the utility model embodiment, those of ordinary skill in the art is to be understood that, still can modify or be equal to replacement the utility model, to reach identical technique effect; As long as meet, use needs, all within protection domain of the present utility model.
Claims (1)
1. a spring pipe automatic centering mechanism, comprises holder (1) and guide ring (2); It is characterized in that: the upper connection fixing base (1) of guide ring (2), guide ring (2) lower end connects upper junction plate (3), six centering leaf springs (5) are distinguished up and down equal angles and are connected on upper junction plate (3) and lower connecting plate (6) by bolt (6), and six centering leaf springs (5) all keep curving inwardly shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420279471.6U CN203867499U (en) | 2014-05-28 | 2014-05-28 | Automatic centering mechanism for spring pipe tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420279471.6U CN203867499U (en) | 2014-05-28 | 2014-05-28 | Automatic centering mechanism for spring pipe tools |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203867499U true CN203867499U (en) | 2014-10-08 |
Family
ID=51648469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420279471.6U Expired - Fee Related CN203867499U (en) | 2014-05-28 | 2014-05-28 | Automatic centering mechanism for spring pipe tools |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203867499U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ306137B6 (en) * | 2015-05-26 | 2016-08-17 | Walter Černý | Method of controlled boring in rocks with high accuracy in both verticality and straightness |
-
2014
- 2014-05-28 CN CN201420279471.6U patent/CN203867499U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ306137B6 (en) * | 2015-05-26 | 2016-08-17 | Walter Černý | Method of controlled boring in rocks with high accuracy in both verticality and straightness |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141008 Termination date: 20180528 |