CN112031694A

CN112031694A - Polish rod sealer

Info

Publication number: CN112031694A
Application number: CN202011227786.2A
Authority: CN
Inventors: 高薪
Original assignee: Dongying Tongbo Petroleum Electronic Instrument Co ltd
Current assignee: DAQING DANFENG PETROLEUM TECHNOLOGY DEVELOPMENT Co.,Ltd.
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2020-12-04
Anticipated expiration: 2040-11-06
Also published as: CN112031694B

Abstract

The invention discloses a polish rod sealer, which comprises a spherical flange, wherein the bottom of the spherical flange is connected with a well head seat, the top of the spherical flange is connected with an azimuth angle adjusting device, the top of the azimuth angle adjusting device is connected with a horizontal deviation adjusting device, the azimuth angle adjusting device consists of an adjusting cavity, a fixed cavity, an electric hydraulic rod and a through-center sphere, the top of the horizontal deviation adjusting device is connected with a well stopping sealing body, the well stopping sealing body consists of a packing cavity, an adjusting cavity, a threaded bolt, a threaded sleeve, a threaded rod, a squeezing plate and a packing, the top of the well stopping sealing body is connected with a packing adjusting device, the device is a through cavity from top to bottom, the device effectively increases the wear resistance of the device, prevents the loss of time and cost caused by the replacement of the packing for many times, effectively increases the efficiency, and can rotate at a more flexible angle when in use, thereby improving the applicability of the device.

Description

Polish rod sealer

Technical Field

The invention belongs to the technical field of light-sensitive sealers, and particularly relates to a polished rod sealer.

Background

In the exploitation of heavy oil reservoirs, a common method is to inject high-temperature and high-pressure steam for exploitation, generally, steam injection is firstly carried out, then a production string is replaced for production, and the exploitation is completed in two steps. Meanwhile, a matched wellhead device also needs to be matched with the wellhead device, and the polished rod sealer is one of wellhead devices. The sealing process of the polish rod sealer is as follows: the sealing ring is sleeved on the polished rod, a pressing sleeve is pressed on the sealing ring, a pressing cap is pressed on the pressing sleeve, the pressing cap applies pressure to the pressing sleeve, the pressing sleeve applies pressure to the sealing ring, the sealing ring expands transversely, and the sealing ring is tightly attached to the polished rod and the inner wall of the polished rod sealer body after expanding transversely, so that sealing is achieved.

Due to the influence of various factors such as underground working condition factors, manufacturing precision of the oil pumping equipment, deformation of parts of the oil pumping equipment after bearing load and the like, the axis of the polished rod and the axis of the polished rod sealer are likely to deviate, and the polished rod can be subjected to horizontal displacement (namely swinging) along a certain direction in the process of up-and-down reciprocating motion, so that the contact surface between the sealing ring and the polished rod is stressed unevenly, the surface with large stress in the sealing ring is worn quickly (namely eccentric wear), and the service life of the sealing ring is shortened. Therefore, there is a need for an improved polish rod sealer structure, and a polish rod sealer is proposed, which facilitates better solving the above-mentioned problems.

Disclosure of Invention

The invention aims to: in order to solve the above-mentioned proposed problems, a polish rod sealer is provided.

The technical scheme adopted by the invention is as follows:

the utility model provides a polished rod sealer, includes spherical flange, spherical flange's bottom fixedly connected with well head seat, and spherical flange's top is connected with azimuth adjusting device, azimuth adjusting device's top is connected with horizontal migration adjusting device, and horizontal migration adjusting device's top is connected with the shut-in well seal, the top of shut-in well seal is connected with packing adjusting device, and this device is the logical chamber from top to bottom.

In a preferred embodiment, azimuth adjusting device comprises adjustment cavity, fixed chamber, electronic hydraulic stem and logical heart spheroid, the top fixedly connected with adjustment cavity of globular flange, and the left and right sides face middle part fixed mounting who adjusts the cavity has fixed chamber, fixed chamber has seted up the fluting for the one side of adjustment cavity, and the inside fixed mounting in fixed chamber has electronic hydraulic stem, the inner wall bottom both sides fixed mounting in fixed chamber has the bracing piece, and the top of bracing piece has logical heart spheroid through tray swing joint, and leads to the spheroidal top of heart and expose fixed chamber, electronic hydraulic stem runs through the outer wall in fixed chamber, and keeps away from the one end fixedly connected with connection pad in fixed chamber, and connection pad and logical heart spheroid closely laminate.

In a preferred embodiment, horizontal migration adjusting device comprises rotation storehouse, fixed pipe, fixed block, adjusting bolt, race ring and spheroid connecting piece, the spheroidal top swing joint of logical heart has the spheroid connecting piece, and the fixed pipe of the top fixedly connected with of spheroid connecting piece, the outer wall of fixed pipe has the rotation storehouse through bearing movable mounting, and rotates the both sides wall middle part fixed mounting in storehouse and have the corresponding fixed block that sets up, the inside of fixed block is the cavity, and the activity runs through there is adjusting bolt, adjusting bolt's one end extends to the inside of rotating the storehouse, and closely laminates with the inner wall that rotates the storehouse, there is the race ring inside of fixed block through connecting piece fixed mounting, and adjusting bolt passes the race ring, and with race ring threaded connection.

In a preferred embodiment, the shut-in seal comprises packing cavity, adjustment cavity, screw bolt, thread bush, threaded rod, stripper plate and packing, the top fixedly connected with packing cavity of fixed pipe, and the both sides fixed mounting of packing cavity has the corresponding adjustment cavity that sets up, the adjustment cavity is total six, and the average distribution is at the both sides wall of packing cavity, the inside one side inner wall of keeping away from the packing cavity of adjustment cavity has the thread bush through bearing fixed mounting, and threaded connection has the threaded rod on the thread bush.

In a preferred embodiment, the one end activity that the threaded rod kept away from the thread bush runs through the inner wall of packing cavity, and extends to the inside one end fixedly connected with stripper plate of packing cavity, the top activity of adjustment cavity runs through threaded bolt, and threaded bolt extends to inside the adjustment cavity of lower extreme, threaded bolt meshes with the thread bush mutually, the inner wall bottom of packing cavity is the board of putting of inside salient, and puts and be provided with the packing on the board.

In a preferred embodiment, packing adjusting device comprises connecting pipe, threaded sleeve, hollow screwed pipe, rotating head and rotatory handle, the top fixedly connected with connecting pipe of packing cavity, and the top of connecting pipe has the rotating head through bearing movable mounting, the inner wall bottom fixed mounting of rotating head has the threaded sleeve, and the both sides wall fixed mounting of rotating head has the rotatory handle of corresponding setting, and threaded sleeve's bottom threaded connection has hollow screwed pipe, the bottom fixed mounting of hollow screwed pipe has the annular preforming, and the laminating of annular preforming is at the top of packing.

In conclusion, due to the adoption of the technical scheme, the packing device has the beneficial effects that the wear resistance of the packing device is effectively improved, the loss of time and cost caused by the need of replacing packing for multiple times is prevented, the efficiency is effectively improved, and the packing device can rotate by a more flexible angle when in use, so that the applicability of the packing device is improved.

1. According to the packing box, the packing can be more stably fixed in the packing cavity, so that the packing is prevented from being abraded due to deflection, meanwhile, when the threaded bolt is rotated, the threaded bolt is meshed with the threaded sleeve, so that the threaded sleeve rotates, the threaded rod drives the extrusion plate to extrude towards the packing, the packing is fixed, meanwhile, the rotating head rotates, the threaded sleeve rotates, the hollow threaded pipe descends downwards, and the packing is further extruded and fixed to prevent eccentric abrasion.

2. According to the invention, the electric hydraulic rod is loosened, so that the through ball body can rotate, the inclination of the device is further adjusted, after the angle adjustment is finished, the electric hydraulic rod is started to enable the electric hydraulic rod to be tightly attached to the through ball body, and further the through ball body is fixed, so that the inclination of the device is fixed, meanwhile, the tightness of the adjusting bolt can be controlled, and further the device is horizontally rotated.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of an azimuth adjusting device according to the present invention;

FIG. 3 is a cross-sectional view of the horizontal offset adjustment apparatus of the present invention;

FIG. 4 is a cross-sectional view of the shut-in seal and packing adjustment device of the present invention.

The labels in the figure are: 1-spherical flange, 2-wellhead seat, 3-azimuth adjusting device, 4-horizontal deviation adjusting device, 5-shut-in seal body, 6-packing adjusting device, 7-adjusting cavity, 8-fixing cavity, 9-electric hydraulic rod, 10-hollow sphere, 11-rotating bin, 12-fixing pipe, 13-fixing block, 14-adjusting bolt, 15-bearing ring, 16-sphere connecting piece, 17-packing cavity, 18-adjusting cavity, 19-threaded bolt, 20-threaded sleeve, 21-threaded rod, 22-extrusion plate, 23-packing, 24-connecting pipe, 25-threaded sleeve, 26-hollow threaded pipe, 27-rotating head and 28-rotating handle.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-4, a polish rod sealer comprises a spherical flange 1, a well head seat 2 is fixedly connected to the bottom of the spherical flange 1, an azimuth angle adjusting device 3 is connected to the top of the spherical flange 1, the azimuth angle adjusting device 3 is composed of an adjusting cavity 7, a fixing cavity 8, an electric hydraulic rod 9 and a through-center ball 10, the adjusting cavity 7 is fixedly connected to the top of the spherical flange 1, the fixing cavity 8 is fixedly installed in the middle of the left side surface and the right side surface of the adjusting cavity 7, a slot is formed in one surface of the fixing cavity 8 opposite to the adjusting cavity 7, the electric hydraulic rod 9 is fixedly installed inside the fixing cavity 8, support rods are fixedly installed on two sides of the bottom of the inner wall of the fixing cavity 8, the top of each support rod is movably connected with the through-center ball 10 through a tray, the top of the through-center ball 10 is exposed out of, and the end far away from the fixed cavity 8 is fixedly connected with a connecting disc, and the connecting disc is tightly attached to the through center ball 10, the top of the azimuth angle adjusting device 3 is connected with a horizontal deviation adjusting device 4, the horizontal deviation adjusting device 4 is composed of a rotating bin 11, a fixed tube 12, a fixed block 13, an adjusting bolt 14, a bearing ring 15 and a ball connecting piece 16, the top of the through center ball 10 is movably connected with the ball connecting piece 16, the top of the ball connecting piece 16 is fixedly connected with the fixed tube 12, the outer wall of the fixed tube 12 is movably provided with the rotating bin 11 through a bearing, the middle parts of the two side walls of the rotating bin 11 are fixedly provided with the fixed blocks 13 which are correspondingly arranged, the inside of the fixed blocks 13 is a cavity and is movably penetrated with the adjusting bolt 14, one end of the adjusting bolt 14 extends to the inside of the rotating bin 11 and is tightly attached to the inner wall of the rotating bin, and the adjusting bolt 14 passes through the bearing ring 15 and is in threaded connection with the bearing ring 15, the top of the horizontal deviation adjusting device 4 is connected with the well stopping sealing body 5, the electric hydraulic rod 9 is loosened, so that the through ball body 10 can rotate, and further the inclination of the device is adjusted, after the angle adjustment is finished, the electric hydraulic rod 9 is started so that the through ball body 10 is tightly attached to the through ball body 10, and further the through ball body 10 is fixed, so that the inclination of the device is fixed, meanwhile, the tightness of the adjusting bolt 14 can be controlled, and further the device is horizontally rotated, after the horizontal angle is determined, the adjusting bolt 14 is rotated, so that the adjusting bolt is extruded on the inner wall of the fixed pipe 12, and further the horizontal angle of the device is fixed, so that the flexibility of the device is effectively increased, and under the condition that the levelness and the inclination can be controlled, the applicability of the device in various places and environments is greatly enhanced, the well shut-in seal body 5 consists of a packing cavity 17, an adjusting cavity 18, a threaded bolt 19, a threaded sleeve 20, threaded rods 21, an extrusion plate 22 and packing 23, the top of a fixed pipe 12 is fixedly connected with the packing cavity 17, two sides of the packing cavity 17 are fixedly provided with the adjusting cavity 18 which is correspondingly arranged, the adjusting cavity 18 is evenly distributed on two side walls of the packing cavity 17, one inner wall of the adjusting cavity 18, far away from the packing cavity 17, is fixedly provided with the threaded sleeve 20 through a bearing, the threaded sleeve 20 is in threaded connection with the threaded rods 21, one end of the threaded rod 21, far away from the threaded sleeve 20, movably penetrates through the inner wall of the packing cavity 17, one end of the threaded rod 21, extending to the inside of the packing cavity 17 is fixedly connected with the extrusion plate 22, the top of the adjusting cavity 18 movably penetrates through the threaded bolt 19, the threaded bolt 19 extends to the inside of the adjusting cavity 18 at the lowest, the bottom of the inner wall of the packing cavity 17 is a placing plate protruding inwards, a packing 23 is arranged on the placing plate, the top of the shut-in seal body 5 is connected with a packing adjusting device 6, the packing adjusting device 6 comprises a connecting pipe 24, a threaded sleeve 25, a hollow threaded pipe 26, a rotating head 27 and a rotating handle 28, the top of the packing cavity 17 is fixedly connected with the connecting pipe 24, the top of the connecting pipe 24 is movably provided with the rotating head 27 through a bearing, the bottom of the inner wall of the rotating head 27 is fixedly provided with the threaded sleeve 25, two side walls of the rotating head 27 are fixedly provided with the rotating handle 28 arranged correspondingly, the bottom of the threaded sleeve 25 is in threaded connection with the hollow threaded pipe 26, the bottom of the hollow threaded pipe 26 is fixedly provided with an annular pressing sheet, the packing 23 can be more stably fixed in the packing cavity 17, so that the packing 23 is prevented from, when rotating threaded bolt 19, because threaded bolt 19 meshes with thread bush 20 mutually, thereby make thread bush 20 rotate, and then make threaded rod 21 rotate, threaded rod 21 is taking stripper plate 22 to extrude towards packing 23 this moment, thereby fixed packing 23, and simultaneously, rotate rotating head 27, and then make threaded sleeve 25 rotate, hollow screwed pipe 26 just can descend downwards this moment, and then further extrude packing 23 fixedly and prevent the eccentric wear, and the laminating of annular preforming is at the top of packing 23, and this device is the logical chamber from top to bottom.

The working principle is as follows: in this application, because packing 23 can be more stable fixed in packing cavity 17, thereby prevent the wearing and tearing that packing 23 skew appears, and simultaneously, when rotating threaded bolt 19, because threaded bolt 19 meshes with thread bush 20 mutually, thereby make thread bush 20 rotate, and then make threaded rod 21 rotate, threaded rod 21 just takes stripper plate 22 to extrude towards packing 23 this moment, thereby fixed packing 23, and simultaneously, rotate rotating head 27, and then make threaded sleeve 25 rotate, hollow screwed pipe 26 just can descend downwards this moment, and then further extrude packing 23 fixedly and prevent the eccentric wear.

In this application, loosen electronic hydraulic stem 9, thereby make logical heart spheroid 10 can rotate, and then adjust the gradient of this device, after angular adjustment finishes, thereby start electronic hydraulic stem 9 and make it hug closely on logical heart spheroid 10, and then make logical heart spheroid 10 fixed, thereby make the gradient of this device obtain fixing, and simultaneously, can control adjusting bolt 14's elasticity, and then the level rotates this device, after horizontal angle confirms, rotate adjusting bolt 14, make its extrusion on fixed pipe 12 inner wall, and then make the horizontal angle of this device obtain fixing, the effectual flexibility that has increased this device, and under the circumstances that levelness and gradient can be controlled, this device strengthens greatly at the suitability of various places and environment.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A polish rod sealer, includes spherical flange (1), its characterized in that: the bottom fixedly connected with well head seat (2) of globular flange (1), and the top of globular flange (1) is connected with azimuth adjusting device (3), horizontal migration adjusting device (4) are connected to the top of azimuth adjusting device (3), and the top of horizontal migration adjusting device (4) is connected with the shut-in seal body (5), the top of shut-in seal body (5) is connected with packing adjusting device (6), and this device is the logical chamber from top to bottom.

2. The polish rod sealer of claim 1, wherein: the azimuth angle adjusting device (3) comprises an adjusting cavity (7), a fixed cavity (8), an electric hydraulic rod (9) and a through-center ball body (10), the adjusting cavity (7) is fixedly connected to the top of the spherical flange (1), the fixed cavity (8) is fixedly mounted in the middle of the left side surface and the right side surface of the adjusting cavity (7), one side of the fixed cavity (8) opposite to the adjusting cavity (7) is provided with a groove, the electric hydraulic rod (9) is fixedly mounted inside the fixed cavity (8), two sides of the bottom of the inner wall of the fixed cavity (8) are fixedly mounted with supporting rods, the top of each supporting rod is movably connected with the through-center ball body (10) through a tray, the fixed cavity (8) is exposed out of the top of the through-center ball body (10), the electric hydraulic rod (9) penetrates through the outer wall of the fixed cavity (8) and is far away from one end of, and the connecting disc is tightly attached to the through-center sphere (10).

3. The polish rod sealer of claim 1, wherein: the horizontal deviation adjusting device (4) comprises a rotating bin (11), a fixed pipe (12), a fixed block (13), an adjusting bolt (14), a bearing ring (15) and a ball connecting piece (16), wherein the top of the through ball body (10) is movably connected with the ball connecting piece (16), the top of the ball connecting piece (16) is fixedly connected with the fixed pipe (12), the outer wall of the fixed pipe (12) is movably provided with the rotating bin (11) through a bearing, the middle parts of the two side walls of the rotating bin (11) are fixedly provided with the fixed block (13) which is correspondingly arranged, the inside of the fixed block (13) is a cavity, the adjusting bolt (14) is movably penetrated through the cavity, one end of the adjusting bolt (14) extends to the inside of the rotating bin (11) and is tightly attached to the inner wall of the rotating bin (11), the inside of the fixed block (13) is fixedly provided with the bearing ring (15) through, and the adjusting bolt (14) passes through the bearing ring (15) and is in threaded connection with the bearing ring (15).

4. The polish rod sealer of claim 1, wherein: the shut-in well sealing body (5) comprises packing cavity (17), adjustment cavity (18), threaded bolt (19), thread bush (20), threaded rod (21), stripper plate (22) and packing (23), the top fixedly connected with packing cavity (17) of fixed pipe (12), and the both sides fixed mounting of packing cavity (17) has adjustment cavity (18) of corresponding setting, adjustment cavity (18) are total six, and evenly distributed is at the both sides wall of packing cavity (17), the one side inner wall that packing cavity (17) was kept away from to the inside of adjustment cavity (18) has thread bush (20) through bearing fixed mounting, and threaded connection has threaded rod (21) on thread bush (20).

5. The polish rod sealer of claim 5, wherein: the one end activity of keeping away from threaded sleeve (20) in threaded rod (21) runs through the inner wall of packing cavity (17), and extends to the inside one end fixedly connected with stripper plate (22) of packing cavity (17), threaded bolt (19) is run through in the top activity of adjustment cavity (18), and threaded bolt (19) extend to the adjustment cavity (18) of least significant inside, threaded bolt (19) meshes with threaded sleeve (20) mutually, the inner wall bottom of packing cavity (17) is the board of shelving of inside salient, and shelves and is provided with packing (23) on the board.

6. The polish rod sealer of claim 1, wherein: packing adjusting device (6) comprises connecting pipe (24), threaded sleeve (25), hollow screwed pipe (26), rotating head (27) and rotatory handle (28), the top fixedly connected with connecting pipe (24) of packing cavity (17), and the top of connecting pipe (24) has rotating head (27) through bearing movable mounting, the inner wall bottom fixed mounting of rotating head (27) has threaded sleeve (25), and the both sides wall fixed mounting of rotating head (27) has corresponding rotatory handle (28) that sets up, and the bottom threaded connection of threaded sleeve (25) has hollow screwed pipe (26), the bottom fixed mounting of hollow screwed pipe (26) has the annular preforming, and the laminating of annular preforming is at the top of packing (23).