CN219262306U - Automatic deviation rectifying polish rod sealing equipment - Google Patents

Automatic deviation rectifying polish rod sealing equipment Download PDF

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Publication number
CN219262306U
CN219262306U CN202320383458.4U CN202320383458U CN219262306U CN 219262306 U CN219262306 U CN 219262306U CN 202320383458 U CN202320383458 U CN 202320383458U CN 219262306 U CN219262306 U CN 219262306U
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China
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box
sealing device
polish rod
wall
diameter
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CN202320383458.4U
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Chinese (zh)
Inventor
段兴明
卢浩
张萌
王林燕
熊清涟
刘莉
齐振乾
王彪
康喆
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Chongqing University of Science and Technology
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Chongqing University of Science and Technology
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Abstract

The utility model relates to the technical field of polish rod sealing devices, and discloses automatic deviation rectifying polish rod sealing equipment, which comprises: the sealing device comprises a sealing device assembly and a polish rod main part, wherein the polish rod main part is inserted into the sealing device assembly, the sealing device assembly comprises a base assembly, a pressure relief mechanism is fixedly arranged at the top of the base assembly, a packing box assembly is sleeved at the top of the pressure relief mechanism in a threaded manner, a deviation correcting mechanism is arranged at the top of the sealing device assembly, the polish rod main part penetrates through the deviation correcting mechanism, and the bottom of the deviation correcting mechanism is fixedly arranged on the ground.

Description

Automatic deviation rectifying polish rod sealing equipment
Technical Field
The utility model relates to the technical field of polish rod sealing devices, in particular to automatic deviation rectifying polish rod sealing equipment.
Background
In such oil recovery processes, in order to prevent crude oil and natural gas from leaking from the polished rod, a sealing device, a polished rod sealing device, also called a polished rod sealer, is often provided. Conventional polish rod sealers generally consist of a base, a pressure relief mechanism, and a packing box. The O-shaped rubber packing in the packing box is in interference fit with the polish rod, so that the effect of sealing the polish rod is achieved, and crude oil can not leak in the production process.
The polished rod can deflect the radial displacement that produces in the polished rod operation, and polished rod sealing device is fixed in wellhead department, can't follow polished rod skew, and polished rod causes sealing device damage easily to sealing device eccentric wear, causes crude oil to leak the polluted environment even.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides automatic deviation rectifying polish rod sealing equipment, so as to solve the problem that the polish rod deflection in the background art is eccentric to a sealing device.
The utility model provides the following technical scheme: an automatic deviation rectifying polish rod sealing device, comprising: sealing device subassembly, polished rod main part, the inside of sealing device subassembly is inserted to the polished rod main part, sealing device subassembly is including the base subassembly, base subassembly top fixed mounting has pressure release mechanism, pressure release mechanism top screw thread has cup jointed packing box subassembly, the top of sealing device subassembly is equipped with the mechanism of rectifying, polished rod main part runs through the mechanism of rectifying, the bottom of mechanism of rectifying is at ground fixed mounting, the base subassembly is including the base dish, the base dish is at ground mounting, annular inside groove has been seted up to the base dish inner wall, and the inside activity of its annular inside groove has cup jointed the inner disc, inner disc inner wall fixedly connected with connecting cylinder, connecting cylinder and pressure release mechanism bottom fixed mounting, base dish inner wall ring channel diameter is greater than the inner disc diameter.
Further, the side wall of the inner disc is fixedly connected with the inner wall of the annular inner groove through a plurality of first springs.
Further, the diameter of the connecting cylinder is smaller than the diameter of the inner cavity of the base plate.
Further, the packing box subassembly is including urceolus box, urceolus box top and bottom all are provided with the opening, urceolus box bottom opening and pressure release mechanism screw thread butt joint, the urceolus box inside activity has cup jointed the inner tube box, inner tube box internally mounted has the packing piece, inner tube box diameter is less than urceolus box inside diameter, inner tube box diameter is greater than urceolus box top and bottom opening diameter.
Further, the side wall of the inner barrel box is fixedly connected with the inner wall of the outer barrel box through a plurality of second springs.
Further, inner tube box inner wall bottom fixedly connected with base ring, inner tube box inner wall top screw thread has cup jointed annular lid, the polished rod main part runs through base ring and annular lid, annular lid is including the lid, lid top fixedly connected with caping, lid diameter is less than urceolus box top opening internal diameter.
Further, the mechanism of rectifying is including the ring seat, four telescopic link subassemblies of ring seat top fixedly connected with, telescopic link subassembly top fixedly connected with ball joint, four the ball joint top is equipped with the leveling ring, the leveling ring bottom is equipped with four spherical recesses, four ball joint cup joints in four spherical recesses, four leveling ring top fixedly connected with four stands, four the stand inboard is equipped with the sleeve, sleeve lateral wall passes through a plurality of connecting rods and four stand lateral wall fixed connection, the polished rod main part passes from telescopic inner chamber.
Further, the telescopic link subassembly is including outer solid section of thick bamboo, the inside activity of outer solid section of thick bamboo has cup jointed the screw thread post, screw thread post lateral wall is equipped with the location spout, outer solid section of thick bamboo inner wall is equipped with the locating piece, and its locating piece joint in the location spout, outer solid section of thick bamboo lateral wall activity has cup jointed a spiral shell, outer solid section of thick bamboo lateral wall is equipped with the snap ring groove, spiral a section of thick bamboo inner wall fixedly connected with location snap ring and interior spiro ring, it cup joints in the snap ring groove to revolve a section of thick bamboo, interior spiro ring cup joints at screw thread post lateral wall screw thread.
The utility model has the technical effects and advantages that:
according to the utility model, the sealing device assembly can radially displace by matching the base plate with the inner plate, so that the radial displacement effect of the sealing device assembly is achieved, when the polish rod main part is deflected, the sealing device assembly is radially displaced along with the polish rod main part to reduce abrasion of the sealing device assembly, the crude oil leakage condition caused by damage of the sealing device assembly is avoided, and secondly, the packing part is radially displaced by matching the outer cylinder box with the inner cylinder box, so that the abrasion of the packing part caused by deflection of the polish rod main part is reduced, the service cycle of the packing part is prolonged, the positioning effect of the polish rod main part is achieved by the deviation correcting mechanism, and when the polish rod main part operates, the polish rod main part is corrected in real time by the positioning of the deviation correcting mechanism, so that the manual deviation correcting mode in the traditional mode is replaced, and the labor cost is saved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the seal assembly of FIG. 1 according to the present utility model;
FIG. 3 is a schematic view of the base assembly of FIG. 2 according to the present utility model;
FIG. 4 is a schematic view of the packing box assembly of FIG. 2 according to the present utility model;
FIG. 5 is a schematic diagram of the deviation correcting mechanism in FIG. 1 according to the present utility model;
FIG. 6 is a schematic view of the telescopic rod assembly of FIG. 5 according to the present utility model.
The reference numerals are: 1. a seal assembly; 2. a polish rod main part; 3. a deviation correcting mechanism; 11. a base assembly; 12. a pressure release mechanism; 13. a packing box assembly; 111. a base plate; 112. an inner disk; 113. a first spring; 114. a connecting cylinder; 131. an outer cylinder box; 132. an inner barrel box; 133. a second spring; 134. a packing member; 135. a base ring; 136. an annular cover; 137. a cover body; 138. a cover top; 31. leveling rings; 32. a column; 33. a sleeve; 34. a connecting rod; 35. a ring seat; 36. a spherical joint; 37. a telescoping rod assembly; 371. an outer fixed cylinder; 372. a threaded column; 373. a rotary cylinder; 374. positioning a clamping ring; 375. an internal spiro ring.
Detailed Description
The following describes specific embodiments of the present utility model in detail with reference to the drawings.
Referring to fig. 1, 2 and 3, the present utility model provides an automatic deviation rectifying polish rod sealing device, comprising: sealing device subassembly 1, polished rod main part 2, the inside of sealing device subassembly 1 is inserted to polished rod main part 2, sealing device subassembly 1 is including base subassembly 11, base subassembly 11 top fixed mounting has pressure release mechanism 12, pressure release mechanism 12 top screw thread has cup jointed packing box subassembly 13, the top of sealing device subassembly 1 is equipped with rectification mechanism 3, polished rod main part 2 runs through rectification mechanism 3, rectification mechanism 3's bottom is at ground fixed mounting, base subassembly 11 is including base plate 111, base plate 111 is at ground mounting, annular inside groove has been seted up to the base plate 111 inner wall, the inside activity of its annular inside groove has cup jointed inner disc 112, inner disc 112 inner wall fixedly connected with connecting cylinder 114, connecting cylinder 114 and pressure release mechanism 12 bottom fixed mounting, base plate 111 inner wall ring channel diameter is greater than inner disc 112 diameter.
Referring to fig. 3, the side wall of the inner disc 112 is fixedly connected with the inner wall of the annular inner groove through a plurality of first springs 113, so that the center of the inner disc 112 and the center of the base disc 111 are positioned at the same vertical line in the initial state of the sealing device assembly 1, and the radial displacement distance of the inner disc 112 is ensured.
Referring to fig. 3, the diameter of the connecting cylinder 114 is smaller than the diameter of the inner cavity of the base plate 111, so that the inner wall of the base plate 111 is prevented from being attached to the side wall of the connecting cylinder 114, and the inner plate 112 is positioned, so that the inner plate 112 cannot be displaced.
Referring to fig. 4, the packing box assembly 13 includes an outer barrel box 131, openings are formed at the top and bottom of the outer barrel box 131, the bottom opening of the outer barrel box 131 is in threaded connection with the pressure release mechanism 12, an inner barrel box 132 is movably sleeved in the outer barrel box 131, packing pieces 134 are mounted in the inner barrel box 132, the diameter of the inner barrel box 132 is smaller than that of the inner barrel box 131, and the diameter of the inner barrel box 132 is larger than that of the opening at the top and bottom of the outer barrel box 131, so that the inner barrel box 132 can radially displace in the outer barrel box 131, and meanwhile, the inner barrel box 132 is prevented from falling from the outer barrel box 131.
Referring to fig. 4, the side wall of the inner cylinder case 132 is fixedly connected with the inner wall of the outer cylinder case 131 through a plurality of second springs 133, so that the center of the inner cylinder case 132 and the center of the outer cylinder case 131 are ensured to be in the same vertical line in the initial state of the packing case assembly 13.
Referring to fig. 4, the bottom end of the inner wall of the inner barrel box 132 is fixedly connected with a base ring 135, the top end of the inner wall of the inner barrel box 132 is in threaded connection with an annular cover 136, the polish rod main part 2 penetrates through the base ring 135 and the annular cover 136, the annular cover 136 comprises a cover body 137, the top of the cover body 137 is fixedly connected with a cover top 138, the diameter of the cover body 137 is smaller than the inner diameter of the top opening of the outer barrel box 131, the packing 134 can be fixed inside the inner barrel box 132 through the base ring 135 and the annular cover 136, the packing 134 is prevented from falling from the inner barrel box 132, and meanwhile, the inner barrel box 132 displacement is influenced by the diameter of the cover body 137, the side wall of the cover body 137 is prevented from being attached to the top opening of the outer barrel box 131, and positioning is avoided.
Referring to fig. 5, the deviation rectifying mechanism 3 includes a ring seat 35, four telescopic rod assemblies 37 are fixedly connected to the top of the ring seat 35, spherical joints 36 are fixedly connected to the top of the telescopic rod assemblies 37, leveling rings 31 are arranged at the tops of the four spherical joints 36, four spherical grooves are formed in the bottoms of the leveling rings 31, the four spherical joints 36 are sleeved in the four spherical grooves, four upright posts 32 are fixedly connected to the tops of the leveling rings 31, sleeves 33 are arranged on the inner sides of the four upright posts 32, the side walls of the sleeves 33 are fixedly connected with the side walls of the four upright posts 32 through a plurality of connecting rods 34, a polished rod main part 2 penetrates through the inner cavities of the sleeves 33, the positioning deviation rectifying effect can be achieved on the polished rod main part 2 through the sleeves 33, and the levelness of the sleeves 33 can be adjusted through adjusting the lengths of the four telescopic rod assemblies 37.
Referring to fig. 6, the telescopic rod assembly 37 includes an outer fixed cylinder 371, a threaded column 372 is movably sleeved inside the outer fixed cylinder 371, a positioning chute is arranged on the side wall of the threaded column 372, a positioning block is arranged on the inner wall of the outer fixed cylinder 371, a rotating cylinder 373 is movably sleeved on the side wall of the outer fixed cylinder 371, a snap ring groove is arranged on the side wall of the outer fixed cylinder 371, a positioning snap ring 374 and an inner spiral ring 375 are fixedly connected to the inner wall of the rotating cylinder 373, the rotating cylinder 373 is sleeved in the snap ring groove, the inner spiral ring 375 is in threaded sleeve joint with the side wall of the threaded column 372, and the threaded column 372 can move up and down inside the outer fixed cylinder 371 by rotating the rotating cylinder 373 according to the principle of threaded matching of the inner spiral ring 375 and the threaded column 372, so that the whole length of the telescopic rod assembly 37 is controlled.
The working principle of the utility model is as follows: after the ring seat 35 is installed on the ground, the leveling ring 31 is adjusted by controlling the heights of the four telescopic rod assemblies 37, when the leveling ring 31 is horizontal, the sleeve 33 is vertically downward, and after the polish rod main part 2 passes through the inner cavity of the sleeve 33, the radial position of the polish rod main part 2 can be positioned through the sleeve 33, so that the correction effect of the polish rod main part 2 is achieved;
because the diameter of the inner disc 112 is smaller than the diameter of the annular inner groove of the inner wall of the base disc 111, the diameter of the connecting cylinder 114 is smaller than the inner diameter of the base disc 111, so that the inner disc 112 can radially displace in the annular inner groove of the base disc 111, and because the pressure release mechanism 12 is connected with the connecting cylinder 114, when the inner disc 112 radially displaces, the whole sealing device assembly 1 can achieve the radial displacement effect, so that the sealing device assembly 1 can deflect along with the polish rod main part 2, and the abrasion of the sealing device assembly 1 is avoided;
the diameter of the inner cylinder case 132 is smaller than the inner diameter of the outer cylinder case 131, and the packing 134 is installed inside the inner cylinder case 132, so that the packing 134 has a radial displacement space, thereby reducing the eccentric wear of the packing 134 and increasing the service cycle of the packing 134.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. The present utility model is not limited to the above-described embodiments, and the above-described embodiments and descriptions merely illustrate the principles of the utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (8)

1. An automatic deviation rectifying polish rod sealing device, comprising: sealing device subassembly (1), polished rod main part (2), inside that sealing device subassembly (1) were inserted in polished rod main part (2), sealing device subassembly (1) are including base subassembly (11), base subassembly (11) top fixed mounting has pressure release mechanism (12), packing box subassembly (13) have been cup jointed at pressure release mechanism (12) top screw thread, its characterized in that: the top of sealing device subassembly (1) is equipped with rectifying mechanism (3), polished rod main part (2) run through rectifying mechanism (3), the bottom of rectifying mechanism (3) is at ground fixed mounting, base subassembly (11) are including base plate (111), base plate (111) are at ground mounting, annular inside groove has been seted up to base plate (111) inner wall, and inside movable the cup joint of its annular inside groove is interior dish (112), interior dish (112) inner wall fixedly connected with connecting cylinder (114), connecting cylinder (114) and pressure release mechanism (12) bottom fixed mounting, base plate (111) inner wall ring channel diameter is greater than interior dish (112) diameter.
2. The automatic deviation rectifying polish rod sealing device according to claim 1, wherein: the side wall of the inner disc (112) is fixedly connected with the inner wall of the annular inner groove through a plurality of first springs (113).
3. The automatic deviation rectifying polish rod sealing device according to claim 1, wherein: the diameter of the connecting cylinder (114) is smaller than the diameter of the inner cavity of the base plate (111).
4. The automatic deviation rectifying polish rod sealing device according to claim 1, wherein: the packing box subassembly (13) is including urceolus box (131), urceolus box (131) top all is provided with the opening with the bottom, urceolus box (131) bottom opening and pressure release mechanism (12) screw thread butt joint, urceolus box (131) inside activity has cup jointed inner tube box (132), inner tube box (132) internally mounted has packing piece (134), inner tube box (132) diameter is less than urceolus box (131) inside diameter, inner tube box (132) diameter is greater than urceolus box (131) top and bottom opening diameter.
5. The automatic deviation rectifying polish rod sealing device according to claim 4, wherein: the side wall of the inner barrel box (132) is fixedly connected with the inner wall of the outer barrel box (131) through a plurality of second springs (133).
6. The automatic deviation rectifying polish rod sealing device according to claim 5, wherein: the novel polish rod is characterized in that a base ring (135) is fixedly connected to the bottom end of the inner wall of the inner barrel box (132), an annular cover (136) is sleeved on the top end of the inner wall of the inner barrel box (132) through threads, the polish rod main part (2) penetrates through the base ring (135) and the annular cover (136), the annular cover (136) comprises a cover body (137), a cover top (138) is fixedly connected to the top of the cover body (137), and the diameter of the cover body (137) is smaller than the inner diameter of an opening at the top of the outer barrel box (131).
7. The automatic deviation rectifying polish rod sealing device according to claim 1, wherein: the utility model provides a mechanism (3) rectifies, including ring seat (35), four telescopic link subassemblies (37) of ring seat (35) top fixedly connected with, telescopic link subassembly (37) top fixedly connected with ball joint (36), four ball joint (36) top is equipped with leveling ring (31), leveling ring (31) bottom is equipped with four spherical recess, four ball joint (36) cup joint in four spherical recess, leveling ring (31) top fixedly connected with four stand (32), four stand (32) inboard is equipped with sleeve (33), sleeve (33) lateral wall is through a plurality of connecting rods (34) and four stand (32) lateral wall fixed connection, polished rod main part (2) are passed from the inner chamber of sleeve (33).
8. The automatic deviation rectifying polish rod sealing device according to claim 7, wherein: the telescopic rod assembly (37) comprises an outer fixed cylinder (371), a threaded column (372) is movably sleeved in the outer fixed cylinder (371), a positioning chute is arranged on the side wall of the threaded column (372), a positioning block is arranged on the inner wall of the outer fixed cylinder (371), the positioning block is clamped in the positioning chute, a rotary cylinder (373) is movably sleeved on the side wall of the outer fixed cylinder (371), a snap ring groove is arranged on the side wall of the outer fixed cylinder (371), a positioning snap ring (374) and an inner spiral ring (375) are fixedly connected to the inner wall of the rotary cylinder (373), the rotary cylinder (373) is sleeved in the snap ring groove, and the inner spiral ring (375) is sleeved on the side wall of the threaded column (372) through threads.
CN202320383458.4U 2023-03-03 2023-03-03 Automatic deviation rectifying polish rod sealing equipment Active CN219262306U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320383458.4U CN219262306U (en) 2023-03-03 2023-03-03 Automatic deviation rectifying polish rod sealing equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320383458.4U CN219262306U (en) 2023-03-03 2023-03-03 Automatic deviation rectifying polish rod sealing equipment

Publications (1)

Publication Number Publication Date
CN219262306U true CN219262306U (en) 2023-06-27

Family

ID=86855449

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320383458.4U Active CN219262306U (en) 2023-03-03 2023-03-03 Automatic deviation rectifying polish rod sealing equipment

Country Status (1)

Country Link
CN (1) CN219262306U (en)

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