CN204646121U - A kind of turbine support joint falling-proof apparatus - Google Patents
A kind of turbine support joint falling-proof apparatus Download PDFInfo
- Publication number
- CN204646121U CN204646121U CN201520313651.6U CN201520313651U CN204646121U CN 204646121 U CN204646121 U CN 204646121U CN 201520313651 U CN201520313651 U CN 201520313651U CN 204646121 U CN204646121 U CN 204646121U
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- Prior art keywords
- lost
- support
- cover
- end cap
- axle
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Abstract
The utility model discloses a kind of turbine support joint falling-proof apparatus, relate to worm gear drilling tool technical field, exactly relate to worm gear supporting section.Comprise housing and the axle being arranged in housing, also include anti-lost end cap, anti-lost support and anti-lost cover, described anti-lost end cap is connected with the end thread of housing, anti-lost cover is threaded connection and is sheathed on axle outer wall, anti-lost putting is provided with raised step, is anti-lostly supported and fixed on anti-lost end cap, and anti-lost support is between anti-lost cover and anti-lost end cap, the raised step external diameter of anti-lost cover is greater than the internal diameter of anti-lost support, and in anti-lost support, be provided with the gear you face coordinated with raised step.
Description
Technical field
The utility model relates to worm gear drilling tool technical field, exactly relates to worm gear supporting section.
Background technology
Along with the development of science and technology, turbodrill has developed into the indispensable a kind of downhole tool in oil drilling technology field, plays a part increasing in drilling operation.Because the environment for use of turbodrill is more and more severe, under high-revolving condition of work, cartridge lower contact screw thread is easily threaded off, and causes cartridge to fall the generation of well accident thus.
Publication number is CN203008792U, and publication date is that the Chinese patent literature on June 19th, 2013 discloses a kind of high speed turbodrill cartridge falling-proof apparatus.Comprise top connection and lower contact, upper and lower joint is connected by housing, cartridge main shaft is installed by bearing in housing, cartridge main shaft upper end is connected with splined shaft by connecting swivel nut, it is characterized in that anti-lost nut or stop ring are installed in the junction connecting swivel nut and splined shaft, catching step is set in the below of the corresponding anti-lost nut of top connection endoporus or stop ring.This utility model can effectively prevent high speed turbodrill cartridge in high speed operation situation, falls the generation of well accident, improves the functional reliability of high speed turbodrill; Anti-lost nut is connected on the external screw thread of splined shaft, and connects swivel nut upper end and locks mutually, can strengthen the switching performance of anti-lost nut and splined shaft further, prevent both getting loose.
Although there has been the prior art take publication number as CN203008792U patent document being representative in prior art, its structure is comparatively complicated, is not easy to install and large-scale promotion application.
Summary of the invention
The utility model is intended to for the defect existing for above-mentioned prior art and deficiency, a kind of turbine support is provided to save falling-proof apparatus, the utility model structure is simple, easy for installation, easy to utilize, and the problem that drops that axle can be avoided to cause because of dropout, improve the safety in utilization of turbodrill.
The utility model realizes by adopting following technical proposals:
A kind of turbine support joint falling-proof apparatus, comprise housing and the axle being arranged in housing, it is characterized in that: also include anti-lost end cap, anti-lost support and anti-lost cover, described anti-lost end cap is connected with the end thread of housing, anti-lost cover is threaded connection and is sheathed on axle outer wall, anti-lost putting is provided with raised step, anti-lostly be supported and fixed on anti-lost end cap, and anti-lost support is between anti-lost cover and anti-lost end cap, the raised step external diameter of anti-lost cover is greater than the internal diameter of anti-lost support, and in anti-lost support, be provided with the gear you face coordinated with raised step.
Described anti-lost support is bolted on anti-lost end cap.
The end of axle is through the return connector that has been threaded.
Also bearing group is provided with between housing and axle.
Compared with prior art, the beneficial effect that reaches of the utility model is as follows:
The outer diameter of step of anti-lost cover is greater than the internal diameter of anti-lost support, suppose, there is dropout situation in the connecting thread between return connector and axle, axle will be descending under gravity, and then drive the anti-lost cover be attached thereto by screw thread descending, but be greater than the internal diameter of anti-lost support due to the outer diameter of step of anti-lost cover, when the step seat of anti-lost cover is suspended to gear you face, axle will stop descending, thus achieve the anti-lost of axle, avoid the appearance of down-hole accident.And the utility model structure is simple, easy for installation, easy to utilize, and the problem that drops that axle can be avoided to cause because of dropout, improve the safety in utilization of turbodrill.
Accompanying drawing explanation
Below in conjunction with specification drawings and specific embodiments, the utility model is described in further detail, wherein:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is that the utility model connects return connector schematic diagram.
Mark in figure:
1, bolt, 2, anti-lost end cap, 3, anti-lost support, 4, anti-lost cover, 5, axle, 6, bearing group, 7, housing, 8, return connector.
Detailed description of the invention
With reference to Figure of description, preferred forms of the present utility model is, it discloses a kind of turbine support joint falling-proof apparatus, forms primarily of bolt 1, anti-lost end cap 2, anti-lost support 3, anti-lost cover 4, axle 5 and housing 7; Anti-lost end cap 2 is connected with the end thread of housing 7, anti-lost cover 4 is threaded connection and is sheathed on axle 5 outer wall, anti-lost cover 4 is provided with raised step, anti-lost support 3 is fixed on anti-lost end cap 2 by bolt 1, and anti-lost support 3 is between anti-lost cover 4 and anti-lost end cap 2, the raised step external diameter of anti-lost cover 4 is greater than the internal diameter of anti-lost support 3, and in anti-lost support 3, be provided with the gear you face coordinated with raised step.The end of axle 5 is through the return connector 8 that has been threaded.Bearing group 6 is also provided with between housing 7 and axle 5.
The outer diameter of step of anti-lost cover 4 is greater than the internal diameter of anti-lost support 3, suppose, there is dropout situation in the connecting thread between return connector 8 and axle 5, axle 5 will be descending under gravity, and then drive the anti-lost cover 4 be attached thereto by screw thread descending, but be greater than the internal diameter of anti-lost support 3 due to the outer diameter of step of anti-lost cover 4, when the step seat of anti-lost cover 4 is suspended to gear you face, axle 5 will stop descending, thus achieve the anti-lost of axle 5, avoid the appearance of down-hole accident.
Claims (4)
1. a turbine support joint falling-proof apparatus, comprise housing (7) and be arranged in the axle (5) of housing (7), it is characterized in that: also include anti-lost end cap (2), anti-lost support (3) and anti-lost cover (4), described anti-lost end cap (2) is connected with the end thread of housing (7), anti-lost cover (4) is threaded connection and is sheathed on axle (5) outer wall, anti-lost cover (4) is provided with raised step, anti-lost support (3) is fixed on anti-lost end cap (2), and anti-lost support (3) is positioned between anti-lost cover (4) and anti-lost end cap (2), the raised step external diameter of anti-lost cover (4) is greater than the internal diameter of anti-lost support (3), and in anti-lost support (3), be provided with the gear you face coordinated with raised step.
2. a kind of turbine support joint falling-proof apparatus according to claim 1, is characterized in that: described anti-lost support (3) is connected on anti-lost end cap (2) by bolt (1).
3. a kind of turbine support joint falling-proof apparatus according to claim 1 and 2, is characterized in that: the end of axle (5) is through the return connector that has been threaded (8).
4. a kind of turbine support joint falling-proof apparatus according to claim 1, is characterized in that: between housing (7) and axle (5), be also provided with bearing group (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520313651.6U CN204646121U (en) | 2015-05-15 | 2015-05-15 | A kind of turbine support joint falling-proof apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520313651.6U CN204646121U (en) | 2015-05-15 | 2015-05-15 | A kind of turbine support joint falling-proof apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204646121U true CN204646121U (en) | 2015-09-16 |
Family
ID=54098884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520313651.6U Active CN204646121U (en) | 2015-05-15 | 2015-05-15 | A kind of turbine support joint falling-proof apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204646121U (en) |
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2015
- 2015-05-15 CN CN201520313651.6U patent/CN204646121U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200915 Address after: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Co-patentee after: CNPC Chuanqing Drilling Engineering Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Address before: The 1 section of No. 3 company Chuanqing Drilling Technology Information Office Chenghua District Green Road 610051 Chengdu City, Sichuan Province Patentee before: CNPC Chuanqing Drilling Engineering Co.,Ltd. |
|
| TR01 | Transfer of patent right |