CN203515378U - Wedge type single lifting ring prevention device - Google Patents
Wedge type single lifting ring prevention device Download PDFInfo
- Publication number
- CN203515378U CN203515378U CN201320638366.2U CN201320638366U CN203515378U CN 203515378 U CN203515378 U CN 203515378U CN 201320638366 U CN201320638366 U CN 201320638366U CN 203515378 U CN203515378 U CN 203515378U
- Authority
- CN
- China
- Prior art keywords
- elevator
- air bag
- lifting ring
- elevator pin
- speed air
- 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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- Pipe Accessories (AREA)
- Types And Forms Of Lifts (AREA)
- Earth Drilling (AREA)
Abstract
The utility model discloses a wedge type single lifting ring prevention device. The wedge type single lifting ring prevention device is characterized in that signal transmitters are embedded in two elevator pin holes, a control pipeline of a drilling machine low-speed air bag is in series connection with two unidirectional air switches, signal receivers for receiving signals sent by the signal transmitters in the left elevator pin hole and the right elevator pin hole are respectively installed on handles of the two unidirectional air switches, air stoppage or air feeding of the drilling machine low-speed air bag is controlled by utilizing the principle that the signal transmitters embedded in the left elevator pin hole and the right elevator pin hole are disturbed once when elevator pins are pulled out of or inserted in the elevator lug pin holes, namely a low-speed air bag control air source is disconnected when the elevator pins are pulled out, so that air cannot enter the drilling machine low-speed air bag, single lifting ring accidents are avoided by utilizing the principle that the low-speed air bag control air source can only be connected after a left lifting ring and a right lifting ring are hung in elevator lugs and the left elevator pin and the right elevator pin are inserted in the elevator pin holes, and a power source of the wedge type single lifting ring prevention device is powered on when a traveling block is placed to the lifting rings and can be hung in the elevator lugs of a pipe column in a well opening suspension well before double elevators are pulled out of holes.
Description
Technical field
The utility model relates to the generation that prevents single-ring accident when the lift pipe string operations such as petroleum drilling well workover trip-out, a sleeve pipe.
Background technology
While operating because of well head post workman, blocked driller's sight line in the two elevator trip-out process of petroleum drilling well workover use, and post workman does not also hang in elevator ear time driller two suspension ring and just likely directly hangs up low-speed clutch and pull out of hole, the elevator that hangs tubing string in well is mentioned with single-ring, because of elevator single load bearing, the tubing string of slinging bending under the effect of own wt, cause pipe column falling well after fractureing or injure the single-ring accident of personnel, equipment etc., exist great potential safety hazard.
Summary of the invention
For the on-the-spot current ubiquitous single-ring fail-safe hidden danger of drilling and repairing well, the purpose of this utility model has aimed to provide the anti-single-ring device of a kind of wedge-type, prevents the generation of single-ring accident.The anti-single-ring device of this wedge-type adopts that the signal projector being embedded in when extracting or injecting elevator pin from elevator ear pin-and-hole in the two elevator pin-and-holes of left and right is disturbed once to be launched a signal and control dying or air inlet of rig low speed air bag, while extracting elevator pin, disconnect the source of the gas of low speed air bag controlled pipeline, make the rig low speed air bag can not air inlet, wait two of left and right suspension ring all to hang to inject into elevator ear, two of left and right elevator pin the principle that low speed air bag controlled source of the gas can be opened after elevator ear pin-and-hole and realize the generation that prevents single-ring accident.
The purpose of this utility model completes like this:
The anti-single-ring device of a kind of wedge-type is mainly by left elevator pin-and-hole, left signal transmitter, left a-signal receiver, left B signal receiver, the unidirectional air cock of A, right elevator pin-and-hole, right signal transmitter, right a-signal receiver, right B signal receiver, the unidirectional air cock of B, rig low speed air bag controlled gas pipeline forms, left signal transmitter is installed in left elevator pin-and-hole, left a-signal receiver is arranged on controls the direction that the unidirectional air cock handle of A closes, left B signal receiver is arranged on controls the direction that the unidirectional air cock handle of A is opened, the unidirectional air cock of A is installed in series on rig low speed air bag controlled gas pipeline, right signal transmitter is installed in right elevator pin-and-hole, right a-signal receiver is arranged on controls the direction that the unidirectional air cock handle of B closes, right B signal receiver is arranged on controls the direction that the unidirectional air cock handle of B is opened, the unidirectional air cock of B is also installed in series on rig low speed air bag controlled gas pipeline.
The beneficial effect of advantage of the present utility model and generation is:
1, the utlity model has the advantage of generally using in petroleum drilling workover rig.
2, because adopting the feature of signal projector controlled in wireless rig low speed air inlet, when two elevator pins in two of left and right suspension ring and left and right inject in the elevator earhole of left and right, low speed does not just enter gas, can stop the generation of single-ring accident completely.
Accompanying drawing explanation
Fig. 1 is the utility model schematic diagram.
The specific embodiment
As shown in Figure 1, the anti-single-ring device of a kind of wedge-type is mainly by left elevator pin-and-hole 1, left signal transmitter 2, left a-signal receiver 3, left B signal receiver 4, the unidirectional air cock 5 of A, right elevator pin-and-hole 6, right signal transmitter 7, right a-signal receiver 8, right B signal receiver 9, the unidirectional air cock 10 of B, rig low speed air bag controlled gas pipeline 11 forms, left signal transmitter 2 is installed in left elevator pin-and-hole 1, left a-signal receiver 3 is arranged on controls the direction that unidirectional air cock 5 handles of A close, left B signal receiver 4 is arranged on controls the direction that unidirectional air cock 5 handles of A are opened, the unidirectional air cock 5 of A is installed in series on rig low speed air bag controlled gas pipeline 11, right signal transmitter 7 is installed in right elevator pin-and-hole 6, right a-signal receiver 8 is arranged on controls the direction that unidirectional air cock 10 handles of B close, right B signal receiver 9 is arranged on controls the direction that unidirectional air cock 10 handles of B are opened, the unidirectional air cock 10 of B is also installed in series on rig low speed air bag controlled gas pipeline 11.
Before two elevators pull out of hole, tourist bus is put to the power supply of opening the anti-single-ring device of wedge-type when two suspension ring can be hung the elevator ear into tubing string in wellhead receptacle is hung well, now be installed in series and close immediately at two unidirectional air cocks of low speed air bag controlled pipeline, the source of the gas that low speed is controlled gas circuit is cut off, and low speed air bag does not enter gas.When suspension ring are hung into the elevator ear of tubing string in well head hangs well, while injecting elevator pin in left elevator pin-and-hole 1, the left signal transmitter 2 being embedded in left elevator pin-and-hole 1 is once disturbed, a signal of now left signal transmitter 2 transmittings is to right signal receiver 4, touch the direction that office pushes out the handle of the unidirectional air cock 5 of A to, opened the unidirectional air cock 5 of A being connected in rig low speed air bag controlled gas pipeline 11.In right elevator pin-and-hole 6, inject elevator pin, the right signal transmitter 7 being embedded in right elevator pin-and-hole 6 is once disturbed, a signal of now right signal transmitter 7 transmittings is to right signal receiver 9, touch the direction that office pushes out the handle of the unidirectional air cock 10 of B to, opened the unidirectional air cock 10 of B being connected in rig low speed air bag controlled gas pipeline 11, now the passage of low speed air bag controlled pipeline 11 is opened completely, can realize low-speed clutch extension closes, two suspension ring in left and right are not hung in the left and right ear of elevator, and when two elevator pins all inject left and right elevator pin-and-hole, rig low-speed clutch air bag does not just enter gas.
Play an endowel complete, lower emptying elevator is to drilling floor surface, extract the elevator pin in left elevator pin-and-hole 1, be embedded in left signal transmitter 2 in left elevator pin-and-hole 1 once disturbed, a signal of now left signal transmitter 2 transmittings is to left signal receiver 3, touch office and the handle of the unidirectional air cock 5 of A is pushed to the direction of pass, disconnected the source of the gas of rig low speed air bag controlled gas pipeline 11, rig low speed air bag cannot air inlet.Extract the elevator pin in right elevator pin-and-hole 6, the right signal transmitter 7 being embedded in right elevator pin-and-hole 6 is once disturbed, a signal of now right signal transmitter 7 transmittings is to right signal receiver 8, touch office and the handle of the unidirectional air cock 10 of B is pushed to the direction of pass, disconnected equally the source of the gas of rig low speed air bag controlled gas pipeline 11, when extension closes low-speed clutch operating grip, rig low speed air bag cannot air inlet.
The rig low speed air bag controlled pipeline 11 switch control modes of reciprocation cycle have realized the generation of stopping single-ring accident successively.
Two unidirectional air cocks that are connected in low speed gas control gas pipeline processed are arranged on to be taken charge of on control platform, so that driller processes complex situations, maintenance and the replacing of not entering suspension ring, gas circuit appearance because of misoperation extension in time.
Claims (1)
1. the anti-single-ring device of wedge-type is mainly by left elevator pin-and-hole (1), left signal transmitter (2), left a-signal receiver (3), left B signal receiver (4), the unidirectional air cock of A (5), right elevator pin-and-hole (6), right signal transmitter (7), right a-signal receiver (8), right B signal receiver (9), the unidirectional air cock of B (10), rig low speed air bag controlled gas pipeline (11) forms, it is characterized in that left signal transmitter (2) is installed in left elevator pin-and-hole (1), left a-signal receiver (3) is arranged on controls the direction that the unidirectional air cock of A (5) handle closes, left B signal receiver (4) is arranged on controls the direction that the unidirectional air cock of A (5) handle is opened, the unidirectional air cock of A (5) is installed in series on rig low speed air bag controlled gas pipeline (11), right signal transmitter (7) is installed in right elevator pin-and-hole (6), right a-signal receiver (8) is arranged on controls the direction that the unidirectional air cock of B (10) handle closes, right B signal receiver (9) is arranged on controls the direction that the unidirectional air cock of B (10) handle is opened, the unidirectional air cock of B (10) is also installed in series on rig low speed air bag controlled gas pipeline (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320638366.2U CN203515378U (en) | 2013-10-16 | 2013-10-16 | Wedge type single lifting ring prevention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320638366.2U CN203515378U (en) | 2013-10-16 | 2013-10-16 | Wedge type single lifting ring prevention device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203515378U true CN203515378U (en) | 2014-04-02 |
Family
ID=50374325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320638366.2U Expired - Fee Related CN203515378U (en) | 2013-10-16 | 2013-10-16 | Wedge type single lifting ring prevention device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203515378U (en) |
-
2013
- 2013-10-16 CN CN201320638366.2U patent/CN203515378U/en not_active Expired - Fee Related
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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: 20140402 Termination date: 20171016 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |