CN210714661U

CN210714661U - Sealing mechanism for horizontal logging instrument of oil field

Info

Publication number: CN210714661U
Application number: CN201921755422.4U
Authority: CN
Inventors: 郑兴
Original assignee: Dalian Zhengshi Rubber Co ltd
Current assignee: Dalian Zhengshi Rubber Co ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-06-09
Anticipated expiration: 2029-10-18

Abstract

The utility model discloses a sealing mechanism for horizontal logging instrument in oil field, concretely relates to oil field sealing technical field, including sealed bucket, the inside polished rod that is equipped with of sealed bucket, the polished rod runs through sealed bucket, the inside change bucket that is equipped with of sealed bucket, it is equipped with sealed the pad to change the bottom of the barrel portion, sealed inside locating sealed bucket, it is equipped with sealed packing to change the bucket inside, sealed packing top is equipped with the gland, sealed bucket top is located to the gland, change the equal fixedly connected with work pole in bucket top both sides. The utility model discloses a rotatory two work bars of staff will change the bucket and rotate out to take out the inside sealed packing of bucket of will changing, then take off the spacing ring from two work bars, then will with separately from two magnet departments, then make the sealed packing that changes the bucket inside and need change expose, at this moment the staff directly can peel off, save time, and the operation of being convenient for.

Description

Sealing mechanism for horizontal logging instrument of oil field

Technical Field

The utility model relates to an oil field sealing technique field, more specifically says, the utility model relates to a sealing mechanism for oil field horizontal logging instrument.

Background

The sealing packing device is arranged inside the original oil field horizontal logging instrument of the company, and the sealing packing is connected with important parts of a tubular column and a driving part and is a key part for the operation of the horizontal logging instrument and the energy consumption of a system.

In the present oil field logging operation, because sealed packing is cylindrical with drive unit's sealed face, between sealing device polished rod commonly used at present and the sealed packing, sealed packing easily wears out, when changing sealed packing, because sealed packing root is pressed very inseparably, the degree of difficulty is big during the change to this equipment volume is great, and it wastes time and energy to change, influences logging work, and then influences oil field production, is not convenient for use.

Therefore, it is necessary to develop a sealing mechanism for an oilfield horizontal logging tool.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a sealing mechanism for horizontal logging instrument in oil field, through two rotatory work bars of staff, then through changing bucket and sealed bucket threaded connection, thereby can be with changing the bucket and rotate out, thereby will change the inside sealed packing of bucket and take out, then take off the spacing ring from two work bars, then will with separately from two magnet departments, then make the sealed packing that changes the bucket inside needs to be changed expose, at this moment the staff directly can peel off, save time, and be convenient for operate, then recycle magnet closure and, then reset, thereby reach the purpose of being convenient for to change, in order to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a sealing mechanism for a horizontal logging instrument of an oil field comprises a sealing barrel, wherein a polished rod is arranged inside the sealing barrel and penetrates through the sealing barrel, a replacing barrel is arranged inside the sealing barrel, a sealing gasket is arranged at the bottom of the replacing barrel and is arranged inside the sealing barrel, a sealing packing is arranged inside the replacing barrel, a gland is arranged at the top of the sealing packing and is arranged at the top of the sealing barrel, working rods are fixedly connected to two sides of the top of the replacing barrel and penetrate through the gland and extend out of the top of the gland, a limiting ring is arranged at the top of the gland and is sleeved outside the two working rods, the replacing barrel comprises a first plate and a second plate, the first plate and the second plate are movably connected through a rotating rod, one end of the first plate and one end of the second plate are respectively provided with an iron absorbing stone, and external threads are arranged outside the first plate and the second plate, the inner thread is arranged in the sealing barrel, and the replacing barrel is connected with the sealing barrel through the outer thread and the inner thread of the first plate and the second plate.

In a preferred embodiment, the outer side of the top of the sealing barrel and the outer side of the bottom of the sealing barrel are respectively and fixedly provided with a first flange and a second flange, the gland is arranged at the bottom of the first flange, and the limiting ring is arranged inside the first flange.

In a preferred embodiment, both sides of the top of the gland are fixedly connected with supporting columns, one side of each supporting column is provided with a threaded rod, one end of each threaded rod penetrates through the corresponding supporting column and extends to one side of the polished rod, and one end of each threaded rod is fixedly connected with a detection ring which is matched with the polished rod.

In a preferred embodiment, the threaded rod is screwed to the support.

In a preferred embodiment, the threaded rod is movably connected with the detection ring through a bearing.

In a preferred embodiment, a guide rod is fixedly connected to one side of the top of the detection ring, and one end of the guide rod penetrates through the pillar and extends out of one side of the pillar.

In a preferred embodiment, the stop collar is configured in the shape of a circular ring in cross-section.

The utility model discloses a technological effect and advantage:

1. the two working rods are rotated by workers, and then the replacement barrel is in threaded connection with the sealing barrel, so that the replacement barrel can be rotated out, the sealing packing in the replacement barrel is taken out, the limiting ring is taken down from the two working rods, and then the two magnets are separated from each other, and the sealing packing to be replaced in the replacement barrel is exposed, so that the workers can directly peel off the sealing packing, the time is saved, the operation is convenient, the magnets are closed and then reset, and the purpose of facilitating replacement is achieved;

2. cooperate with the polished rod through two detection rings, then ring and the sealed bucket that the ring is pieced together through two detection rings are concentric circles, so when two detection rings can not complete closure become a ring, just indicate that there is the deviation polished rod and sealed bucket, correction that at this moment the staff can be timely avoids taking place the eccentric wear, compare with prior art, the utility model discloses make progress on preventing that the eccentric wear from taking place.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an enlarged view of a portion a of fig. 1 according to the present invention.

Fig. 3 is a top view of the present invention.

Fig. 4 is a top view of the stop collar of the present invention.

Fig. 5 is a perspective view of the replacement bucket of the present invention.

Fig. 6 is an enlarged view of the structure of the part B in fig. 5 according to the present invention.

The reference signs are: the device comprises a first flange 1, a polish rod 2, a gland 3, a sealing barrel 4, a replacement barrel 5, a first plate 51, a second plate 52, a sealing gasket 6, a second flange 7, a sealing packing 8, a working rod 9, a limiting ring 10, a threaded rod 11, a guide rod 12, a support 13, a detection ring 14, a rotating rod 15 and a magnet 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a sealing mechanism for an oil field horizontal logging instrument, as shown in figures 1-6, which comprises a sealing barrel 4, a polish rod 2 is arranged inside the sealing barrel 4, the polish rod 2 penetrates through the sealing barrel 4, a replacing barrel 5 is arranged inside the sealing barrel 4, a sealing gasket 6 is arranged at the bottom of the replacing barrel 5, the sealing gasket 6 is arranged inside the sealing barrel 4, a sealing packing 8 is arranged inside the replacing barrel 5, a gland 3 is arranged at the top of the sealing packing 8, the gland 3 is arranged at the top of the sealing barrel 4, working rods 9 are fixedly connected at both sides of the top of the replacing barrel 5, two working rods 9 penetrate through the gland 3 and extend out of the top of the gland 3, a limiting ring 10 is arranged at the top of the gland 3, the limiting ring 10 is sleeved outside the two working rods 9, the replacing barrel 5 comprises a first plate 51 and a second plate 52, the first plate 51 and the second plate 52 are movably connected through a rotating rod 15, one ends of the first plate 51 and the second plate 52 are respectively provided with a magnet 16, the outer sides of the first plate 51 and the second plate 52 are respectively provided with an external thread, the inner part of the sealing barrel 4 is provided with an internal thread, and the replacement barrel 5 is connected with the sealing barrel 4 through the external thread and the internal thread of the first plate 51 and the second plate 52;

the outer side of the top and the outer side of the bottom of the sealing barrel 4 are respectively and fixedly provided with a first flange 1 and a second flange 7, the gland 3 is arranged at the bottom of the first flange 1, and the limiting ring 10 is arranged inside the first flange 1;

the limiting ring 10 is arranged in a circular ring shape in cross section, so that the limiting ring can be matched with the polished rod 2 conveniently.

The implementation mode is specifically as follows: when the utility model is used, the sealing packing 8 is easy to wear and needs to be replaced regularly, while the traditional method for replacing the sealing packing 8 is slow in efficiency, at this time, the first flange 1 is taken down from the top of the sealing barrel 4, then the worker holds the two working rods 9 and rotates, because the limiting rings 10 are sleeved outside the two working rods 9, the first plate 51 and the second plate 52 are limited, then the sealing barrel 4 is connected with the replacing barrel 5 in a threaded manner, the working rods 9 are rotated to drive the replacing barrel 5 to rotate, then the replacing barrel 5 is rotated out, so that the sealing packing 8 in the replacing barrel 5 is taken out, then when the replacing barrel 5 is completely rotated out, the limiting rings 10 are taken down from the two working rods 9, then the first plate 51 and the second plate 52 are movably connected through the rotating rods 15, and one ends of the first plate 51 and the second plate 52 are closed through the iron attracting stones 16, thereby separate first plate 51 and second plate 52 from two 16 departments of magnet, then make the sealed packing 8 that changes 5 inside needs to be changed expose, at this moment the staff directly can peel off, then reuse the closed first plate 51 of magnet 16 and second plate 52, then reset again, thereby reach the purpose of being convenient for to change, then utilize sealed 6 can guarantee the leakproofness between sealed bucket 4 and the change bucket 5, when the sealed packing of change that exists among the prior art has specifically been solved to this embodiment, it has firmly fixed on sealed section of thick bamboo inner wall to exist sealed packing, lead to sealed packing to be difficult to take out and change, and the problem of waste time.

The utility model provides a sealing mechanism for oil field horizontal logging instrument as shown in figures 1-3, both sides of the top of the gland 3 are fixedly connected with a pillar 13, one side of the pillar 13 is provided with a threaded rod 11, one end of the threaded rod 11 runs through the pillar 13 and extends to one side of the polished rod 2, one end of the threaded rod 11 is fixedly connected with a detection ring 14, and the detection ring 14 is matched with the polished rod 2;

the threaded rod 11 is in threaded connection with the strut 13, so that the threaded rod 11 can move conveniently;

the threaded rod 11 is movably connected with the detection ring 14 through a bearing, so that the threaded rod 11 can rotate conveniently without interfering with the detection ring 14;

one side of the top of the detection ring 14 is fixedly connected with a guide rod 12, and one end of the guide rod 12 penetrates through the support column 13 and extends out of one side of the support column 13, so that the detection ring 14 is limited conveniently.

The implementation mode is specifically as follows: through the utility model discloses after the installation, can be through rotatory threaded rod 11, thereby promote to detect ring 14 and remove to 2 departments of polished rod, then cooperate with polished rod 2 through two detection rings 14, then the ring of piecing together through two detection rings 14 and sealed bucket 4 are the concentric circles, so when two detection rings 14 can not complete closure become a ring, just indicate polished rod 2 and sealed bucket 4 have the deviation, correction that at this moment the staff can be timely, avoid taking place the eccentric wear, this embodiment has specifically solved the polished rod that exists among the prior art and has had the deviation with sealed bucket, thereby lead to fluid to leak the problem that sealed bucket damaged.

The utility model discloses the theory of operation:

referring to fig. 1-6 of the specification, by removing the first flange 1 from the top of the containment drum 4, then the working staff holds the two working rods 9 by hands and rotates, the working rods 9 are rotated to drive the replacement barrel 5 to rotate, then the replacement barrel 5 is rotated out, so that the sealing packing 8 inside the replacement barrel 5 is taken out, then the limiting ring 10 is taken down from the two working rods 9, the first plate 51 and the second plate 52 are then separated from the two magnets 16 by separating the first plate 51 from the second plate 52, then the sealing packing 8 which needs to be replaced in the replacement barrel 5 is exposed, and then the worker can directly peel off the sealing packing, the first plate 51 and the second plate 52 are then closed again by means of the magnets 16, and then reset again, thereby achieving the purpose of convenient replacement, and then the sealing performance between the sealing barrel 4 and the replacement barrel 5 can be ensured by utilizing the sealing gasket 6;

referring to the accompanying drawings 1-3, the threaded rod 11 is rotated to push the detection ring 14 to move towards the polish rod 2, then the two detection rings 14 are matched with the polish rod 2, and then the ring formed by the two detection rings 14 and the sealed barrel 4 are concentric circles, so that when the two detection rings 14 cannot be completely closed to form a circle, the polish rod 2 is indicated to be deviated from the sealed barrel 4.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A sealing mechanism for an oilfield horizontal logging instrument, comprising a sealing barrel (4), characterized in that: the polishing rod (2) is arranged inside the sealing barrel (4), the polishing rod (2) penetrates through the sealing barrel (4), the replacing barrel (5) is arranged inside the sealing barrel (4), the sealing gasket (6) is arranged at the bottom of the replacing barrel (5), the sealing gasket (6) is arranged inside the sealing barrel (4), the sealing packing (8) is arranged inside the replacing barrel (5), the gland (3) is arranged at the top of the sealing barrel (4), the working rods (9) are fixedly connected to two sides of the top of the replacing barrel (5), the two working rods (9) penetrate through the gland (3) and extend out of the top of the gland (3), the limiting ring (10) is arranged at the top of the gland (3), the limiting ring (10) is sleeved outside the two working rods (9), the replacing barrel (5) comprises a first plate block (51) and a second plate block (52), first plate (51) and second plate (52) pass through bull stick (15) swing joint, first plate (51) and second plate (52) one end all is equipped with magnet (16), the external screw thread has all been seted up in first plate (51) and second plate (52) outside, the internal thread has been seted up to sealed bucket (4) inside, change external screw thread and the internal thread connection of bucket (5) and sealed bucket (4) through first plate (51) and second plate (52).

2. The seal mechanism for an oilfield horizontal logging tool of claim 1, wherein: the sealing barrel is characterized in that a first flange (1) and a second flange (7) are fixedly arranged on the outer side of the top and the outer side of the bottom of the sealing barrel (4) respectively, the gland (3) is arranged at the bottom of the first flange (1), and a limiting ring (10) is arranged inside the first flange (1).

3. The seal mechanism for an oilfield horizontal logging tool of claim 1, wherein: the equal fixedly connected with pillar (13) in gland (3) top both sides, pillar (13) one side is equipped with threaded rod (11), threaded rod (11) one end is run through pillar (13) and is extended to polished rod (2) one side, threaded rod (11) one end fixedly connected with detects ring (14), it cooperatees with polished rod (2) to detect ring (14).

4. The seal mechanism for an oilfield horizontal logging tool of claim 3, wherein: the threaded rod (11) is in threaded connection with the strut (13).

5. The seal mechanism for an oilfield horizontal logging tool of claim 3, wherein: the threaded rod (11) is movably connected with the detection ring (14) through a bearing.

6. The seal mechanism for an oilfield horizontal logging tool of claim 3, wherein: one side of the top of the detection ring (14) is fixedly connected with a guide rod (12), and one end of the guide rod (12) penetrates through the support column (13) and extends out of one side of the support column (13).

7. The seal mechanism for an oilfield horizontal logging tool of claim 2, wherein: the cross section of the limiting ring (10) is circular.