CN201057000Y - Gun type lift sub safety pin - Google Patents
Gun type lift sub safety pin Download PDFInfo
- Publication number
- CN201057000Y CN201057000Y CNU2007200852416U CN200720085241U CN201057000Y CN 201057000 Y CN201057000 Y CN 201057000Y CN U2007200852416 U CNU2007200852416 U CN U2007200852416U CN 200720085241 U CN200720085241 U CN 200720085241U CN 201057000 Y CN201057000 Y CN 201057000Y
- Authority
- CN
- China
- Prior art keywords
- pin
- lock pin
- safety
- elevator
- safety pin
- 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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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The utility model discloses a pistol type elevator safety pin used on an elevator used for lifting a pipe string during the construction operation processes of petroleum natural gas drilling, developing and tripping drilling strings, oil tubes and casing tubes. The pistol type elevator safety pin is mainly formed by connecting a lock pin component by welding a lock pin with stringing holes designed on the lock pin, a spring box and a fixed handle into a whole with an adjustable type safety hook component by connecting an adjusting threaded insert, a fastening nut and a safety hook into a whole through the mounting hole designed on the lock pin component and via a swivel pin connecting movable handle. The utility model has the advantages that the pistol type elevator safety pin has reasonable design and reliable operation, ensures that the slinger cannot slip off, and has safety and insurance effects.
Description
Affiliated technical field
The utility model relates to a kind of oil and gas well drilling and down-hole construction operation elevator safety pin of being applied to, and especially a kind of pistol type elevator safety pin that can improve degree safe in utilization is applicable to oil and gas well drilling and down-hole construction operation.
Background technology
At present, technique known is that at oil drilling, when the well workover construction operation plays lower tubular column, elevator is the instrument that must use.Elevator is stuck in the neck of casing adapter, and the casing adapter seat is at elevator upper support face, and the elevator seat is at well head.Hang over the suspension ring (two) on the tourist bus, during use, its dicyclo is hung in the elevator respectively.Tourist bus is connected with the drill string joint by suspension ring, elevator, can raise and decentralize tubing string.Hang over the suspension ring on the elevator, the danger of slippage from the elevator is arranged in the operation, the elevator safety pin is exactly the device that prevents the suspension ring slippage, connect and compose by a rod iron and connection cord, in construction operation, occur bumping, hang or anxious stopping, when advancing by leaps and bounds, the possibility that pin is dropped out is arranged, and its reliability can not get effective guarantee, and this will cause device damage or personal safety accident.
Summary of the invention:
In order to overcome the deficiency on the prior art, the utility model provides a kind of pistol type elevator safety pin, and it is not only esy to use, safe and reliable, and can effectively avoid the generation of device damage or personal safety accident.
The utility model solves the used technical scheme of its technical problem: had the installing hole of lock pin assembly by design it on of lock pin, spring case and the fixed handle assembly welding one of lacing hole to be connected flexible handle through shipping and reselling on another market by design on it, and connected as one the adjustable auxiliary catch assembly of forming by adjustment swivel nut, lock nut, auxiliary catch and be connected and constitute.Outer arm torsionspring control locked position is housed in the spring case.Adjustable auxiliary catch is locked with lock nut then by in the adjustment swivel nut that is threaded onto flexible handle.
During use, the utility model is connected on the elevator with rope by lacing hole, holds fixed handle with thumb, all the other four fingers catch on flexible handle, auxiliary catch opens, lock pin is inserted the elevator lockhole, and then decontrol flexible handle, auxiliary catch is under the spring force effect, be returned to fastening position, guarantee that safety pin can not drop from elevator, guarantee that the slippage accident does not take place suspension ring, play the security insurance effect.The auxiliary catch adjustable in length applicable to the needs of the elevator size of different size, is made with Fine Steel Casting iron, and the intensity height can not break, and is safe and reliable.
The beneficial effects of the utility model are: in construction operation, eliminated the bumping, hang or anxious stop of normal appearance, when advancing by leaps and bounds, pin drops out the hidden danger that causes device damage or injure the people, can effectively avoid the generation of device damage or personal safety accident, for safety in production provides reliable guarantee.
Description of drawings:
Accompanying drawing is a structural representation of the present utility model.
Dash number is among the figure: 1, lock pin, 2, auxiliary catch, 3, lock nut, 4, adjust swivel nut, 5, flexible handle, 6, fixed handle, 7, lacing hole, 8, ship and resell on another market, 9, spring case.
The specific embodiment:
Referring to accompanying drawing, there is the lock pin assembly of lock pin (1), spring case (9) and fixed handle (6) the assembly welding one of lacing hole (7) to be connected flexible handle (5) through ship and resell on another market (8) by design on it, and connects as one the adjustable auxiliary catch assembly of forming by adjustment swivel nut (4), lock nut (3), auxiliary catch (2) and be connected and constitute by the installing hole that designs it on.Outer arm torsionspring control locked position is housed in the spring case.Adjustable auxiliary catch is locked with lock nut then by in the adjustment swivel nut that is threaded onto flexible handle.
During use, the utility model is connected on the elevator with rope by lacing hole (7), holds fixed handle with thumb, all the other four fingers catch on flexible handle, auxiliary catch opens, lock pin is inserted the elevator lockhole, and then decontrol flexible handle, auxiliary catch is under the spring force effect, be returned to fastening position, guarantee that safety pin can not drop from elevator, guarantee that the slippage accident does not take place suspension ring, play the security insurance effect.The auxiliary catch adjustable in length, applicable to the needs of the elevator size of different size, the intensity height can not break, and is safe and reliable.
Claims (1)
1. an oil-gas drilling exploitation removes in drill string, oil pipe and the sleeve pipe construction operation, the pistol type elevator safety pin that uses on the used elevator of handling tubing string, it is characterized in that: the lock pin assembly of lock pin, spring case and fixed handle assembly welding one is connected flexible handle by shipping and reselling on another market, and adjusts adjustable auxiliary catch assembly that swivel nut, lock nut, auxiliary catch connect as one composition and is connected and constitutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200852416U CN201057000Y (en) | 2007-06-14 | 2007-06-14 | Gun type lift sub safety pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200852416U CN201057000Y (en) | 2007-06-14 | 2007-06-14 | Gun type lift sub safety pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201057000Y true CN201057000Y (en) | 2008-05-07 |
Family
ID=39425840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200852416U Expired - Fee Related CN201057000Y (en) | 2007-06-14 | 2007-06-14 | Gun type lift sub safety pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201057000Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109695424A (en) * | 2017-10-20 | 2019-04-30 | 中国石油天然气股份有限公司 | Plug pin device, lifting device and lifting system |
-
2007
- 2007-06-14 CN CNU2007200852416U patent/CN201057000Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109695424A (en) * | 2017-10-20 | 2019-04-30 | 中国石油天然气股份有限公司 | Plug pin device, lifting device and lifting system |
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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: 20080507 Termination date: 20140614 |
|
| EXPY | Termination of patent right or utility model |