Preventer pressure testing stile
Technical field
The utility model relates to the offshore drilling platforms preventer, particularly a kind of device of when pressure testing drilling rod and preventer spinner, setting upright the pressure testing drilling rod.
Background technology
Before the pressure testing of offshore drilling platforms preventer, need to use loop wheel machine will grow 6.5 meters, heavily about 2 tons pressure testing drilling rod and hang in the preventer inner chamber, and with artificial with its spinner in the pressure testing stake bottom the preventer.But only lean on artificial strength can't it be set upright at all; For ease the pressure testing drilling rod is screwed in, have to the pressure testing drilling rod be hung sky, stand on the preventer by 2 to 3 people again drilling rod is set upright with loop wheel machine; Loop wheel machine is put down gently on one side; Insert the hanger and the spinner at pressure testing drilling rod top on one side with crowbar, the pressure testing drilling rod is connected with the pressure testing stake, operation is nearly more than 20 years like this.
Yet there are following four kinds of security risks in this kind way:
1) the preventer upper space is narrow and small, and physical features is uneven, and the too much personnel that stand are handicapped, and the inequality of having an effect can make the crooked thread alternating of drilling rod, simultaneously also easily the generation personnel fall.
2) since the characteristic of semisubmersible platform when stormy waves is big,, also be difficult to the pressure testing drilling rod is set upright even there is crane to assist, so run into stormy waves big, when platform waves severity, will the preventer work pressure test be delayed, influence job scheduling.
3) loop wheel machine is difficult to cooperate, and the weighing device of loop wheel machine is difficult to debate knows 1 to 2 ton weight difference, during spinner, only relies on range estimation, control suspension hook lowering velocity, extremely difficult control.Slowed down, revolved motionless button; Put soon, be difficult to set upright, be prone to take place thread alternating.
4) the pressure testing drilling rod stretches into the preventer inner chamber, can't see connecting portion, based on above reason; When giving pressure testing drilling rod spinner, thread alternating very easily takes place, if can not in time find thread alternating; Be with thread alternating to give the preventer pressure testing extremely dangerous, because pressure testing drilling rod inside is that the obstruction weldering is dead, the test high pressure can eject the pressure testing drilling rod easily as " shell "; As standing to such an extent that the operation people is more on the preventer, be easy to operating personnel's the person is damaged.Have when finding thread alternating again, need counter-rotating that it is refunded, if loop wheel machine control is bad, can the female seat in the pressure testing stake be screwed out together, that kind will be sling preventer, reinstall the female seat of pressure testing stake, and job scheduling is affected.
The utility model content
To the deficiency of above-mentioned prior art, the technical problem that the utility model will solve provides the device that 1 operation personnel of a kind of need can set upright the pressure testing drilling rod.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of preventer pressure testing stile; It comprises sets upright dish and half circular baffle plate, and the said dish of setting upright is provided with a U-lag, and the arc radius of said semicircle baffle plate is identical with arc sections radius on the said U-lag; It is hinged through a bearing pin that one end of said semicircle baffle plate and said is set upright dish; The other end of said semicircle baffle plate is provided with a locking flange, and the said dish of setting upright is provided with one and the corresponding draw-in groove spare of said locking flange, when said locking flange and the locking of said draw-in groove spare; The arc sections of said semicircle baffle plate and said U type groove is relative, forms a circular hole between said semicircle baffle plate and the said arc sections.
Preferably, said the whole rounded of dish of setting upright.
Preferably, the said dish of setting upright is provided with reinforcing rib.
Technique scheme has following beneficial effect: this preventer pressure testing stile in use; The pressure testing drilling rod is got into set upright in the U-lag of dish, and will lock flange and the locking of draw-in groove spare, the pressure testing drilling rod is stuck in forms in the circular hole between circular baffle plate and the arc sections; Just can independently accomplish the setting upright of pressure testing drilling rod, spinner operation through a people like this; And the situation of thread alternating can not take place, and not only improved operating efficiency, also reduced the risk that exists in the work.This preventer pressure testing stile is easy to make, and is simple in structure, easy to use, safe and reliable, sets upright effectively, can significantly reduce oil worker's labour intensity, is to solve the ideal tools that offshore drilling platform preventer pressure testing drilling rod is set upright.
Above-mentioned explanation only is the general introduction of the utility model technical scheme, in order more to know the technological means of understanding the utility model, and can implement according to the content of manual, below with the preferred embodiment of the utility model and conjunction with figs. specify as after.The specific embodiment of the utility model is provided by following examples and accompanying drawing thereof in detail.
Description of drawings
Fig. 1 is the vertical view of the utility model embodiment.
Fig. 2 is the front view of the utility model embodiment.
Fig. 3 is the structural representation of the utility model embodiment user mode.
The specific embodiment
Describe in detail below in conjunction with the preferred embodiment of accompanying drawing to the utility model.
Like Fig. 1, shown in 2; This preventer pressure testing stile 1 comprises sets upright dish 11 and half circular baffle plate 12; Set upright the whole rounded of dish 11; Set upright dish and 11 be provided with a U-lag 17, the arc radius of semicircle baffle plate 12 is identical with arc sections 18 radiuses on the U-lag 17, and its radius should be a bit larger tham the radius of pressure testing drilling rod.One end of semicircle baffle plate 12 is with to set upright dish 11 hinged through a bearing pin 13; The other end of semicircle baffle plate 12 is provided with a locking flange 14; Set upright dish 11 and be provided with one and locking flange 14 corresponding draw-in groove spares 15; When locking flange 14 was locked with draw-in groove spare 15, semicircle baffle plate 12 was relative with the arc sections 18 on the U type groove 11, forms a circular hole between semicircle baffle plate 12 and the arc sections 18.To set upright dish and 11 more firmly and easily grasp in order to make, set upright on the dish 11 and also be provided with several reinforcing ribs 16.
As shown in Figure 3; This preventer pressure testing stile 1 in use; To set upright dish 11 and be inserted on the pressure testing drilling rod 2, rotate semicircle baffle plate 12 then, make locking flange 14 and 15 lockings of the draw-in groove spare of setting upright dish 11 on the semicircle baffle plate 12 along U-lag 17; Pressure testing drilling rod 2 just may be stuck in the circular hole between semicircle baffle plate 12 and the arc sections 18 like this, and the operating personnel just can set upright through this preventer pressure testing stile 1, spinner pressure testing drilling rod 2.Because it is rounded and conveniently grasp to set upright dish 11; Therefore only need an operating personnel just can the pressure testing drilling rod be set upright; Pressure testing drilling rod 2 is set upright loop wheel machine is put down gently on one side, and the operating personnel inserts the hanger at pressure testing drilling rod 2 tops with crowbar on one side and rotates, and just can accomplish the spinner operation very easily.
After using this preventer pressure testing stile, need the pressure testing drilling rod be installed by three people originally and can change installation into, and the situation of thread alternating can not take place, not only improve operating efficiency, also reduce the risk that exists in the work by a people.This preventer pressure testing stile is easy to make, and is simple in structure, easy to use, safe and reliable, sets upright effectively, can significantly reduce oil worker's labour intensity, is to solve the ideal tools that offshore drilling platform preventer pressure testing drilling rod is set upright.
More than preventer pressure testing stile that the utility model embodiment is provided carried out detailed introduction; For one of ordinary skill in the art; Thought according to the utility model embodiment; On the specific embodiment and range of application, all can change to some extent; Therefore this description only is used for should not be construed as the restriction to the utility model in the utility model embodiment is described, and all any changes of being made according to the utility model design philosophy are all within the protection domain of the utility model.