CN202673162U

CN202673162U - Stretching self-positioning device for sleeved derrick

Info

Publication number: CN202673162U
Application number: CN 201220299259
Authority: CN
Inventors: 刘维国; 李全星; 沈军利; 荆强; 王玲; 杨鹏; 严岁娜
Original assignee: Baoji Oilfield Machinery Co Ltd
Current assignee: Baoji Oilfield Machinery Co Ltd
Priority date: 2012-06-26
Filing date: 2012-06-26
Publication date: 2013-01-16
Anticipated expiration: 2022-06-26

Abstract

The utility model discloses a stretching self-positioning device for a sleeved derrick. The stretching self-positioning device comprises an upper section of the derrick and a lower section of the derrick, wherein the upper section of the derrick is sleeved in an inner cavity of the lower section of the derrick; a guide rail is vertically fixed on one side of the upper section of the derrick; a floating cylinder clamp is fixedly arranged on the upper end of the guide rail; a cylinder positioning seat is fixedly arranged on the same side of the lower section of the derrick; and telescopic cylinders are slidably mounted in a through hole of the floating cylinder clamp and a through hole of the cylinder positioning seat simultaneously. Compared with the conventional operation mode, the stretching self-positioning device disclosed by the utility model can accurately position the stretching position of the upper section of the derrick by utilizing check rings of the telescopic cylinders and the cylinder positioning seat on the lower section, is high in automation degree, and can avoid misoperation so as to reduce the occurrence rate of dangerous accidents.

Description

The self locating device that stretches out that is used for the suit derrick

Technical field

The utility model belongs to the oil equipment technical field, is specifically related to a kind of self locating device that stretches out for the suit derrick.

Background technology

The suit derrick needs in use epimere upwards stretched out in the hypomere and is lifted to assigned address, in order to the carrying bearing pin is installed.In the process that existing suit derrick epimere stretches out, need operating personnel whether to reach assigned address with visually observing epimere, because the operative employee visually observes many unfavorable factors such as difficulty apart from nearly 20 meters of bearing pin of carrying, subtense angle, be difficult to once stretch out put inefficiency in place.

Summary of the invention

The purpose of this utility model provides a kind of self locating device that stretches out for the suit derrick, has solved prior art and need to rely on manually-operated, and operating accuracy is low, the problem that wastes time and energy.

The technical scheme that the utility model adopts is: a kind of self locating device that stretches out for the suit derrick, comprise derrick epimere and derrick hypomere, and the derrick epimere is sleeved in the derrick hypomere inner chamber; Vertically be installed with guide rail in derrick epimere one side, be slidingly fitted with the cylinder folder that floats between the upper and lower side in the guide rail; Be installed with the oil cylinder positioning seat in derrick hypomere same side, be slidingly fitted with simultaneously telescopic oil cylinder in float cylinder folder through hole and the oil cylinder positioning seat through hole.

The self locating device that stretches out for the suit derrick of the present utility model is further characterized in that:

Described telescopic oil cylinder is two, is arranged on the same side of derrick hypomere, corresponding, float cylinder folder and oil cylinder positioning seat are two, are slidingly fitted with simultaneously a telescopic oil cylinder in a corresponding unsteady cylinder folder through hole and an oil cylinder positioning seat through hole up and down; Telescopic oil cylinder is provided with the upper end piston rod that can protrude upward and the lower end piston rod that can stretch out downwards, and the termination of upper end piston rod is fixedly connected with the upper end of derrick epimere, and the termination of lower end piston rod is fixedly connected with the hypomere front column of derrick hypomere.

The cylinder body epimere of described telescopic oil cylinder is fixedly installed back-up ring one, back-up ring two from top to bottom, and the cylinder body stage casing of telescopic oil cylinder is provided with back-up ring three, and the cylinder body hypomere of telescopic oil cylinder is provided with back-up ring four; The cylinder folder slip cap that floats is contained in the cylinder body section of the telescopic oil cylinder between back-up ring one, the back-up ring two, and oil cylinder positioning seat slip cap is contained in the cylinder body section of the telescopic oil cylinder between back-up ring three, the back-up ring four.

The beneficial effects of the utility model are, compare with the routine work mode, utilize that oil cylinder positioning seat on telescopic oil cylinder back-up ring and the hypomere is spacing to make the accurate positioning of derrick epimere extended position, and automaticity is high, can avoid maloperation, reduces the incidence of peril.

Description of drawings

Fig. 1 is that the derrick epimere stretches out the pre-structure schematic diagram;

Fig. 2 is that rear structural representation is stretched out in the telescoping cylinder upper end;

Fig. 3 is the A-A sectional view among Fig. 1

Fig. 4 is the B-B sectional view among Fig. 2;

Fig. 5 is that rear structural representation is stretched out in the telescoping cylinder lower end;

Fig. 6 is the telescoping cylinder structure chart.

Among the figure, 1. derrick epimere; 2. telescopic oil cylinder; 3. the cylinder folder floats; 4. derrick hypomere; 5. guide rail; 6. oil cylinder positioning seat; 7. back-up ring one; 8. back-up ring two; 9. back-up ring three; 10. back-up ring four, 11. upper end piston rods, 12. lower end piston rods, 13. hypomere front columns.

The specific embodiment

Below in conjunction with the drawings and specific embodiments the utility model is elaborated.

With reference to Fig. 1, Fig. 2, the structure of the utility model device is, comprises derrick epimere 1 and derrick hypomere 4, and derrick epimere 1 is sleeved in derrick hypomere 4 inner chambers, and derrick epimere 1 can move up along derrick hypomere 4 inner chambers; Vertically be installed with guide rail 5 in derrick epimere 1 one sides, be slidingly fitted with the cylinder folder 3 that floats between the upper and lower side in the guide rail 5; Be installed with oil cylinder positioning seat 6 in derrick hypomere 4 same sides, unsteady cylinder folder 3 and oil cylinder positioning seat 6 are two, a corresponding unsteady cylinder presss from both sides in 3 through holes and oil cylinder positioning seat 6 through holes and is slidingly fitted with simultaneously a telescopic oil cylinder 2 up and down, namely is set with 3 and oil cylinder positioning seats 6 of a unsteady cylinder folder on the cylinder body of each telescopic oil cylinder 2.

Fig. 3 is the A-A sectional view of Fig. 1, and telescopic oil cylinder 2 is two, is arranged on the same side of derrick hypomere 4; Fig. 4 is the B-B sectional view among Fig. 2, and the cylinder folder 3 that floats also is two.

With reference to Fig. 5, Fig. 6, telescopic oil cylinder 2 is provided with the upper end piston rod 11 that can protrude upward and the lower end piston rod 12 that can stretch out downwards, the termination of upper end piston rod 11 is fixedly connected with the upper end of derrick epimere 1, and the termination of lower end piston rod 12 is fixedly connected with the hypomere front column 13 of derrick hypomere 4; The cylinder body epimere of telescopic oil cylinder 2 is fixedly installed back-up ring 1, back-up ring 28 from top to bottom, and the cylinder body stage casing of telescopic oil cylinder 2 is fixedly installed back-up ring 39, and the cylinder body hypomere of telescopic oil cylinder 2 is fixedly installed back-up ring 4 10; Unsteady cylinder presss from both sides the cylinder body section that 3 slip caps are contained in the telescopic oil cylinder 2 between back-up ring 1, the back-up ring 28, and oil cylinder positioning seat 6 slip caps are contained in the cylinder body section of the telescopic oil cylinder 2 between back-up ring 39, the back-up ring 4 10.

The effect of back-up ring 1 is, when upper end piston rod 11 stretches out, and the amount of moving on the lower end of control derrick epimere 1 guide rail 5

The effect of back-up ring 39 is that when upper end piston rod 11 stretched out, the outer cylinder body that can limit telescopic oil cylinder 2 can not produce and move downward.

The effect of back-up ring 4 10 is that when lower end piston rod 12 stretched out maximum, the outer cylinder body that can limit telescopic oil cylinder 2 can not move upward again.

Such as Fig. 2, when injection liquid force feed in telescopic oil cylinder 2, after hydraulic pressure reaches lower limit set pressure, telescopic oil cylinder 2 upper end piston rods 11 protrude upward, driving derrick epimere 1 and guide rail 5 thereof protrudes upward, stop when cylinder folder 3 contacts with guide rail 5 lower surfaces until float, at this moment, telescopic oil cylinder 2 upper end piston rods 11 stretch out fully.In this process, the outer cylinder body of back-up ring 39 restriction telescopic oil cylinders 2 can not produce and move downward.

Such as Fig. 5, the telescopic oil cylinder 2 inner hydraulic fluid pressures that inject continue to increase, after hydraulic pressure reaches upper limit setting pressure, the lower end piston rod 12 of telescopic oil cylinder 2 begins to stretch out, promote the again upwards walking of telescopic oil cylinder 2 and derrick epimere 1, when back-up ring 4 10 rises to when contacting with oil cylinder positioning seat 6, lower end piston rod 12 is upheld maximum length, derrick epimere 1 just moves to assigned address (near the extreme higher position), the respective pin hole of the pin-and-hole of derrick epimere 1 lower end and derrick hypomere 4 upper ends aligns one by one, can install the bearing pins between derrick epimere 1 and the derrick hypomere 4 this moment, realizes the locking of derrick epimere 1 and derrick hypomere 4 by bearing pins.

Claims

1. self locating device that stretches out that is used for the suit derrick, it is characterized in that: comprise derrick epimere (1) and derrick hypomere (4), derrick epimere (1) is sleeved in derrick hypomere (4) inner chamber; Vertically be installed with guide rail (5) in derrick epimere (1) one side, be slidingly fitted with the cylinder folder (3) that floats between the upper and lower side in the guide rail (5); Be installed with oil cylinder positioning seat (6) in derrick hypomere (4) same side, be slidingly fitted with simultaneously telescopic oil cylinder (2) in float cylinder folder (3) through hole and oil cylinder positioning seat (6) through hole.

2. according to claim 1ly stretch out self locating device for the suit derrick, it is characterized in that: described telescopic oil cylinder (2) is two, be arranged on the same side of derrick hypomere (4), corresponding, the cylinder that floats presss from both sides (3) and oil cylinder positioning seat (6) is two, and a corresponding unsteady cylinder presss from both sides in (3) through hole and an oil cylinder positioning seat (6) through hole and is slidingly fitted with simultaneously a telescopic oil cylinder (2) up and down; Telescopic oil cylinder (2) is provided with the upper end piston rod (11) that can protrude upward and the lower end piston rod (12) that can stretch out downwards, the termination of upper end piston rod (11) is fixedly connected with the upper end of derrick epimere (1), and the termination of lower end piston rod (12) is fixedly connected with the hypomere front column (13) of derrick hypomere (4).

3. according to claim 1ly stretch out self locating device for the suit derrick, it is characterized in that: the cylinder body epimere of described telescopic oil cylinder (2) is fixedly installed back-up ring one (7), back-up ring two (8) from top to bottom, the cylinder body stage casing of telescopic oil cylinder (2) is provided with back-up ring three (9), and the cylinder body hypomere of telescopic oil cylinder (2) is provided with back-up ring four (10); Cylinder folder (3) slip cap that floats is contained in the cylinder body section of the telescopic oil cylinder (2) between back-up ring one (7), the back-up ring two (8), and oil cylinder positioning seat (6) slip cap is contained in the cylinder body section of the telescopic oil cylinder (2) between back-up ring three (9), the back-up ring four (10).