CN114482901A - Inlet polished rod sealing packing box mounting assembly - Google Patents
Inlet polished rod sealing packing box mounting assembly Download PDFInfo
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- CN114482901A CN114482901A CN202210326013.2A CN202210326013A CN114482901A CN 114482901 A CN114482901 A CN 114482901A CN 202210326013 A CN202210326013 A CN 202210326013A CN 114482901 A CN114482901 A CN 114482901A
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- Prior art keywords
- arc
- centering
- packing
- plate
- cylindrical shell
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1071—Wear protectors; Centralising devices, e.g. stabilisers specially adapted for pump rods, e.g. sucker rods
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells
Abstract
The invention discloses an inlet polished rod sealing packing box mounting assembly, which relates to the field of oil well exploitation equipment and comprises a polished rod, a cylindrical shell, a lower plate, a bottom plate, an upper cover, a centering mechanism, a packing mechanism, a charging barrel and a driving mechanism, wherein the upper cover and the lower plate are respectively positioned on the upper side and the lower side of the cylindrical shell, the two opposite sides of the upper cover and the lower plate are respectively and fixedly provided with a first centering pressing piece and a second centering pressing piece, the first centering pressing piece can be slidably inserted into the upper part of the cylindrical shell, the upper cover is connected with the cylindrical shell through an elastic mechanism, and the second centering pressing piece is fixedly arranged below the inner part of the cylindrical shell. The invention is convenient for loosening the first and second centering packing in the cylindrical shell when the polish rod moves horizontally, reduces the internal pressure of the first and second centering packing, reduces the extrusion force on the polish rod, reduces the damage to the polish rod and is convenient for people to use.
Description
Technical Field
The invention relates to the field of oil well exploitation equipment, in particular to an inlet polished rod sealing packing box mounting assembly.
Background
Each oil field all has some heavy oil wells, uses at the heavy oil well oil recovery process, often can use the mode of thermal recovery, and this kind of mode can heat the packing, and the packing volume increase has increased the friction of packing with the polished rod, especially takes place off-centre and slope back at polished rod and well head, and the packing frictional quantity can be bigger, and the polished rod can be locked even to the packing, uses for a long time, and the polished rod can take off even and break.
At present, people are the polished rod of preventing the excessive locking of packing, influence sealed, people have set up mobilizable packing box to follow the polished rod translation in the eccentric heel of polished rod, reduce the friction volume of polished rod and packing, prevent packing and polished rod locking, however, packing box's inside packing is motionless after placing, and is heated along with the packing, volume increase back, extrusion each other between the packing and also can continuously increase to the extrusion force of polished rod, thereby lead to the packing to lead to the fact the damage to the polished rod, influence people and use.
Therefore, it is desirable to provide an inlet polish rod packing box mounting assembly to solve the above problems.
Disclosure of Invention
The invention aims to provide an installation assembly of an imported polished rod sealing packing box, which aims to solve the problems that internal packing of the packing box proposed in the background technology is still after being placed, and the packing is mutually extruded and the extrusion force on a polished rod is continuously increased along with the heating and volume increase of the packing, so that the packing damages the polished rod and influences the use of people.
In order to achieve the purpose, the invention provides the following technical scheme: an inlet polished rod sealing packing box mounting assembly comprises a polished rod, a cylindrical shell, a lower plate, a bottom plate, an upper cover, a centering mechanism, a packing mechanism, a charging barrel and a driving mechanism, wherein the upper cover and the lower plate are respectively positioned at the upper side and the lower side of the cylindrical shell, the two opposite sides of the upper cover and the lower plate are respectively and fixedly provided with a first centering pressing piece and a second centering pressing piece, the first centering pressing piece can be slidably inserted into the upper part of the cylindrical shell, the upper cover is connected with the cylindrical shell through an elastic mechanism, the second centering pressing piece is fixedly arranged below the inner part of the cylindrical shell, the upper cover, the first centering pressing piece, the second centering pressing piece and the middle part of the upper surface of the lower plate are all provided with round holes, the lower end of the polished rod sequentially penetrates through the round holes and extends to the lower part of the lower plate, the lower plate is slidably arranged on the bottom plate and is connected with the bottom plate through the centering mechanism, the middle part of the upper end of the bottom plate is provided with a movable opening for the light rod to move, and a sealing mechanism is arranged inside the movable opening;
the rotatable setting of feed cylinder is in the inside of cylinder shell, packing mechanism divide into first packing and the second packing of rightting, first packing setting of rightting is in the inside of feed cylinder, the packing setting of rightting of second is between feed cylinder and cylinder shell, the equal fixedly connected with swinging arms in the left and right sides of feed cylinder, two the swinging arms passes the arc opening of the cylinder shell left and right sides respectively and passes through drive mechanism and bottom plate interconnect, two arc open-ended inside all is provided with shelters from the mechanism.
Preferably, the driving mechanism comprises two arc-shaped connecting plates, two first straight gears, two rotating rods, two second straight gears and two second straight gears, the two arc-shaped connecting plates are fixedly connected with two opposite ends of the two oscillating rods respectively, arc-shaped connecting grooves are formed in the lower sides of the two arc-shaped connecting plates, first racks are fixedly arranged on two sides, close to the two arc-shaped connecting grooves, of the two arc-shaped connecting grooves, the two first straight gears are rotatably arranged in the two arc-shaped connecting grooves respectively and are meshed with the two first racks, the left side and the right side of the upper end of the base plate are transversely arranged in the strip-shaped grooves, second racks are fixedly arranged on the rear sides of the two strip-shaped grooves, the two second straight gears are rotatably arranged in the two strip-shaped grooves respectively and are meshed with the two second racks, the upper ends of the two rotating rods are fixedly connected with the middle parts of the lower ends of the two first straight gears respectively, the lower end of the rotating rod is fixedly connected with the middle parts of the upper ends of the two second straight gears respectively, the middle parts of the rod walls of the rotating rods are rotatably connected with supporting blocks through bearings, and the two opposite ends of the supporting blocks are fixedly connected with the left outer side wall and the right outer side wall of the cylindrical shell respectively.
Preferably, the upper end and the lower end of the supporting block are fixedly connected with torsion springs, the two torsion springs are movably sleeved on the rod wall of the rotating rod, and the two opposite ends of the two torsion springs are fixedly connected with the rotating rod.
Preferably, shelter from the mechanism and include arc shielding plate and set up the arc spout in arc opening upper and lower both sides, both sides all extend to both sides respectively around the arc spout, the arc shielding plate can shelter from the arc opening through in two arc spout arc openings, the swinging arms is pegged graft with the arc shielding plate is fixed.
Preferably, the diameter of the inner circular side wall of the charging barrel is sequentially reduced from top to bottom, and the diameter of the outer circular side wall of the charging barrel is sequentially increased from top to bottom.
Preferably, the centering mechanism comprises two centering sliders and two sets of centering springs, two centering chutes which are symmetrically distributed in the left and right direction are formed in the upper end of the base plate, the two centering sliders are respectively arranged in the two centering chutes in a sliding manner, the two sets of centering springs are respectively arranged in the two centering chutes, the number of the centering springs in each set is two, and the two centering springs are respectively fixedly connected with the left side and the right side of the centering sliders.
Preferably, seal structure includes circular closing plate and two annular closing plate, circular closing plate and two circular closing plate all set up the inside at the activity mouth, circular closing plate and the fixed grafting of polished rod, and circular closing plate slides and sets up between two circular closing plate, circular closing plate slidable sets up between two annular closing plate, two there is the space between annular closing plate's the interior round lateral wall all and the polished rod.
Preferably, the elastic mechanism includes two fixed blocks, two lead screw and two elastic spring, two the fixed block respectively with the left and right sides top fixed connection of cylinder shell, two the fixed block all establishes two with two lead screw slip cap respectively through the guiding hole the upper end of lead screw all with upper cover fixed connection, two the equal threaded connection of lower extreme of lead screw has hexagon nut, two elastic spring establishes with two lead screw movable sleeve respectively, and elastic spring is located between fixed block and the hexagon nut.
The invention has the technical effects and advantages that:
1. through the mutual matching of the cylindrical shell, the charging barrel, the first centralizing packing, the second centralizing packing, the two swinging rods and the driving mechanism, because the first centralizing packing is arranged inside the charging barrel, and the second centralizing packing is arranged between the charging barrel and the cylindrical shell, when the polished rod deviates, the cylindrical shell translates along with the polished rod, meanwhile, the cylindrical shell can drive the two supporting blocks to translate, the two supporting blocks respectively drive the two rotating rods to translate, the two rotating rods respectively drive the two second straight gears to translate inside the two strip-shaped connecting grooves, because the two second straight gears are mutually meshed with the two second racks, the two second straight gears rotate, the two second straight gears respectively drive the two rotating rods to rotate, the two rotating rods respectively drive the two first straight gears to rotate, because the two first straight gears are respectively mutually meshed with the two first racks, thereby two first straight gear rotates and drives two arc connecting plates respectively and rotate around the axis of cylinder shell, two arc connecting plates take two swinging arms to rotate respectively, two swinging arms drive the feed cylinder simultaneously and rotate around the axis, thereby can right packing and rock to first righting packing and second, make the inside of first righting packing and second righting packing take place not hard up, reduce the internal pressure that packing was right to first righting packing and second, and reduce the extrusion force to the polished rod, reduce the damage to the polished rod, and people of being convenient for use.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic top cross-sectional view of the cylindrical housing of the present invention;
FIG. 3 is a schematic bottom view of the arcuate slot of the present invention;
fig. 4 is a schematic structural diagram of the elastic mechanism of the present invention.
In the figure: 1. a polish rod; 2. a cylindrical housing; 3. a lower plate; 4. a base plate; 5. an upper cover; 6. a first centralizing press part; 7. a second centralizing and pressing piece; 8. a charging barrel; 9. a first centralizing packing; 10. a second centralizing packing; 11. a swing lever; 12. an arc-shaped connecting plate; 13. a first straight gear; 14. a rotating rod; 15. a second spur gear; 16. a support block; 17. a torsion spring; 18. an arc-shaped shielding plate; 19. righting the slide block; 20. a centering spring; 21. a circular sealing plate; 22. an annular seal plate; 23. a fixed block; 24. a lead screw; 25. an elastic spring; 26. a hexagonal nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides an inlet polished rod sealing packing box mounting assembly as shown in figures 1-4, which comprises a polished rod 1, a cylindrical shell 2, a lower plate 3, a bottom plate 4, an upper cover 5, a righting mechanism, a packing mechanism, a charging barrel 8 and a driving mechanism, wherein the upper cover 5 and the lower plate 3 are respectively positioned at the upper side and the lower side of the cylindrical shell 2, the two opposite sides of the upper cover 5 and the lower plate 3 are respectively and fixedly provided with a first righting and pressing piece 6 and a second righting and pressing piece 7, the first righting and pressing piece 6 can be slidably inserted into the upper part of the cylindrical shell 2, the upper cover 5 is connected with the cylindrical shell 2 through an elastic mechanism, the second righting and pressing piece 7 is fixedly arranged below the inner part of the cylindrical shell 2, the upper cover 5, the first righting and pressing piece 6, the second righting and pressing piece 7 and the middle part of the upper surface of the lower plate 3 are all provided with round holes, the lower end of the polished rod 1 sequentially passes through a plurality of the round holes and extends to the lower part of the lower plate 3, the lower plate 3 is arranged on the bottom plate 4 in a sliding manner and is connected with the bottom plate 4 through a righting mechanism, the middle part of the upper end of the bottom plate 4 is provided with a movable opening for the polished rod 1 to move, and a sealing mechanism is arranged inside the movable opening;
the rotatable setting of feed cylinder 8 is in the inside of cylinder shell 2, packing mechanism divide into first packing 9 and the second packing 10 of rightting, first packing 9 of rightting sets up the inside at feed cylinder 8, packing 10 setting is righted to the second is between feed cylinder 8 and cylinder shell 2, the equal fixedly connected with swinging arms 11 in the left and right sides of feed cylinder 8, two swinging arms 11 pass the arc opening of the 2 left and right sides of cylinder shell respectively and pass through drive mechanism and 4 interconnect of bottom plate, two arc open-ended insides all are provided with and shelter from the mechanism.
As shown in fig. 1, 2 and 3, the driving mechanism includes two arc-shaped connecting plates 12, two first straight gears 13, two rotating rods 14, two second straight gears 15 and two second straight gears 15, the two arc-shaped connecting plates 12 are respectively fixedly connected with two opposite ends of two swinging rods 11, arc-shaped connecting grooves are respectively formed on the lower sides of the two arc-shaped connecting plates 12, first racks are respectively fixedly arranged on two sides of the two arc-shaped connecting grooves close to each other, the two first straight gears 13 are respectively rotatably arranged in the two arc-shaped connecting grooves and are mutually engaged with the two first racks, the left and right sides of the upper end of the bottom plate 4 are respectively transversely arranged in the strip-shaped grooves, second racks are respectively fixedly arranged on the rear sides of the two strip-shaped grooves, the two second straight gears 15 are respectively rotatably arranged in the two strip-shaped grooves and are engaged with the two second racks, the upper ends of the two rotating rods 14 are respectively fixedly connected with the middle parts of the lower ends of the two first straight gears 13, the lower end of the rotating rod 14 is respectively fixedly connected with the middle parts of the upper ends of the two second straight gears 15, the middle parts of the rod walls of the two rotating rods 14 are respectively rotatably connected with the supporting blocks 16 through bearings, the opposite two ends of the two supporting blocks 16 are respectively fixedly connected with the left outer wall and the right outer wall of the cylindrical shell 2, when the polished rod 1 deviates, the cylindrical shell 2 translates along with the polished rod 1, meanwhile, the cylindrical shell 2 can drive the two supporting blocks 16 to translate, the two supporting blocks 16 respectively drive the two rotating rods 14 to translate, the two rotating rods 14 respectively drive the two second straight gears 15 to translate inside the two strip-shaped connecting grooves, because the two second straight gears 15 are mutually meshed with the two second racks, the two second straight gears 15 rotate, the two second straight gears 15 respectively drive the two rotating rods 14 to rotate, and the two rotating rods 14 respectively drive the two first straight gears 13 to rotate, because two first straight gears 13 respectively with two first rack intermeshing, thereby two first straight gears 13 rotate and drive two arc connecting plates 12 respectively and rotate around the axis of cylinder shell 2, two arc connecting plates 12 take two swinging arms 11 respectively to rotate, two swinging arms 11 drive feed cylinder 8 simultaneously and rotate around the axis, thereby can right packing 10 and rock first righting packing 9 and second, make the inside of first righting packing 9 and second righting packing 10 take place to become flexible, reduce the internal pressure that packing 10 was right to first righting packing 9 and second, and reduce the extrusion force to polished rod 1, reduce the damage to polished rod 1, and people's use of being convenient for.
As shown in fig. 1, the upper and lower ends of the supporting block 16 are fixedly connected with torsion springs 17, the two torsion springs 17 are movably sleeved on the rod wall of the rotating rod 14, and the opposite ends of the two torsion springs 17 are fixedly connected with the rotating rod 14, when the rotating rod 14 rotates, the torsion springs 17 are twisted, so that the torsion force of the torsion springs 17 is increased, after the polished rod 1 is translated, the two sets of torsion springs 17 respectively apply torsion force to the two rotating rods 14, so that the two rotating rods 14 rotate in opposite directions to drive the two first straight gears 13 and the two second straight gears 15 to rotate in opposite directions, the two first straight gears 13 rotate in opposite directions to enable the two arc-shaped connecting plates 12 and the two oscillating rods 11 to rotate in opposite directions around the central axis, so that the charging barrel 8 rotates in opposite directions and loosens the first centering packing 9 and the second centering packing 10 again, simultaneously two second straight-toothed gear 15 counter-rotations can make two second straight-toothed gear 15 carry out reverse translation respectively in the inside of two bar connection grooves, and two second straight-toothed gear 15 drive cylindrical shell 2 and polished rod 1 counter-translations through two bull stick 14 and two supporting shoe 16, are convenient for reset righting polished rod 1, reduce manual adjustment, reduce people's working strength.
As shown in fig. 1 and 2, the shielding mechanism comprises an arc-shaped shielding plate 18 and arc-shaped sliding grooves which are arranged on the upper side and the lower side of an arc-shaped opening, the front side and the rear side of each arc-shaped sliding groove extend towards the two sides respectively, the arc-shaped shielding plate 18 shields the arc-shaped opening through the arc-shaped openings of the two arc-shaped sliding grooves, the swinging rods 11 are fixedly connected with the arc-shaped shielding plate 18 in an inserting mode, when the two swinging rods 11 rotate around the central axis, the two arc-shaped shielding plates 18 slide in the two arc-shaped openings through the two arc-shaped sliding grooves respectively, the two swinging rods 11 and the charging barrel 8 can rotate stably, and the two arc-shaped openings can be shielded.
As shown in fig. 1, the diameter of the inner circular side wall of the charging barrel 8 is sequentially reduced from top to bottom, and the diameter of the outer circular side wall of the charging barrel 8 is sequentially increased from top to bottom, so that the loosening effect of the first righting packing 9 and the second righting packing 10 when the charging barrel 8 rotates can be improved.
As shown in fig. 1, the centering mechanism includes two centering sliders 19 and two sets of centering springs 20, two centering chutes symmetrically distributed in the left and right are formed at the upper end of the bottom plate 4, the two centering sliders 19 are respectively slidably disposed inside the two centering chutes, the two sets of centering springs 20 are respectively disposed in the two centering chutes, and the number of the centering springs 20 in each set is two, the two centering springs 20 are respectively and fixedly connected to the left and right sides of the centering slider 19, when the polish rod 1 and the cylindrical housing 2 are translated, the lower plate 3 drives the two centering sliders 19 to respectively translate inside the two centering chutes, when the centering slider 19 is translated, the two centering springs 20 on the two sides are respectively extended and compressed, and when the translation is finished, the elastic forces of the two sets of centering springs 20 are released, so that the two centering sliders 19 respectively translate in the two centering chutes in the opposite directions, thereby can drive cylindrical shell 2 and polished rod 1 reverse translation, be convenient for right polished rod 1 resets, reduces artifical adjustment.
As shown in fig. 1, the sealing structure comprises a circular sealing plate 21 and two annular sealing plates 22, the circular sealing plate 21 and the two circular sealing plates 21 are arranged inside the movable opening, the circular sealing plate 21 is fixedly inserted into the polish rod 1, the circular sealing plate 21 is slidably arranged between the two circular sealing plates 21, the circular sealing plate 21 is slidably arranged between the two annular sealing plates 22, a gap exists between the inner circular side wall of the two annular sealing plates 22 and the polish rod 1, when the polish rod 1 is translated, the circular sealing plate 21 still slides between the two annular sealing plates 22, and therefore the sealing performance between the movable opening and the polish rod 1 can be improved.
As shown in fig. 1 and 4, the elastic mechanism includes two fixing blocks 23, two guide screws 24 and two elastic springs 25, the two fixing blocks 23 are respectively and fixedly connected with the upper portions of the left and right sides of the cylindrical housing 2, the two fixing blocks 23 are respectively and slidably sleeved with the two guide screws 24 through guide holes, the upper ends of the two guide screws 24 are respectively and fixedly connected with the upper cover 5, the lower ends of the two guide screws 24 are respectively and threadedly connected with a hexagon nut 26, the two elastic springs 25 are respectively and movably sleeved with the two guide screws 24, and the elastic springs 25 are located between the fixing blocks 23 and the hexagon nut 26, when the first centralizing packing 9 and the second centralizing packing 10 are heated and have enlarged volumes, the charging barrel 8 loosens the first centralizing packing 9 and the second centralizing packing 10 when rotating, and the first centralizing packing 9 and the second centralizing packing 10 are upwards extruded when loosening, thereby promote first casting die 6 and the upper cover 5 up-shifting of righting, two lead screw 24 drive two hexagon nuts 26 up-shifting to compress elastic spring 25, be convenient for first packing 9 and the second packing 10 of righting is not hard up in the inside of cylindrical shell 2.
The working principle of the invention is as follows: when the polished rod 1 deviates, the cylindrical shell 2 moves horizontally along with the polished rod 1, meanwhile, the cylindrical shell 2 drives the two supporting blocks 16 to move horizontally, the two supporting blocks 16 respectively drive the two rotating rods 14 to move horizontally, the two rotating rods 14 respectively drive the two second straight gears 15 to move horizontally in the two strip-shaped connecting grooves, the two second straight gears 15 are meshed with the two second racks, so that the two second straight gears 15 rotate, the two second straight gears 15 respectively drive the two rotating rods 14 to rotate, the two rotating rods 14 respectively drive the two first straight gears 13 to rotate, the two first straight gears 13 are respectively meshed with the two first racks, so that the two first straight gears 13 rotate to respectively drive the two arc-shaped connecting plates 12 to rotate around the central axis of the cylindrical shell 2, and the two arc-shaped connecting plates 12 respectively drive the two oscillating rods 11 to rotate, two swinging arms 11 drive feed cylinder 8 simultaneously and rotate around the axis to can right packing 10 and rock first packing 9 and the second of rightting, make the first packing 9 and the second of rightting the inside of packing 10 take place not hard up, reduce the first packing 9 and the second of rightting the internal pressure of packing 10, and reduce the extrusion force to polished rod 1, reduce the damage to polished rod 1, the people of being convenient for use.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides an import polished rod seals packing box installation component, includes polished rod (1), cylinder shell (2), hypoplastron (3), bottom plate (4), upper cover (5), rights mechanism and filler mechanism, its characterized in that: the polishing device is characterized by further comprising a charging barrel (8) and a driving mechanism, the upper cover (5) and the lower plate (3) are respectively positioned on the upper side and the lower side of the cylindrical shell (2), the two opposite sides of the upper cover (5) and the lower plate (3) are respectively and fixedly provided with a first righting and pressing piece (6) and a second righting and pressing piece (7), the first righting and pressing piece (6) can be inserted into the upper part of the cylindrical shell (2) in a sliding manner, the upper cover (5) is connected with the cylindrical shell (2) through an elastic mechanism, the second righting and pressing piece (7) is fixedly arranged below the inner part of the cylindrical shell (2), the upper cover (5), the first righting and pressing piece (6), the second righting and pressing piece (7) and the middle part of the upper surface of the lower plate (3) are all provided with round holes, the lower end of the polish rod (1) sequentially penetrates through the round holes and extends to the lower part of the lower plate (3), the lower plate (3) is arranged on the bottom plate (4) in a sliding manner and is connected with the bottom plate (4) through a righting mechanism, the middle part of the upper end of the bottom plate (4) is provided with a movable opening for the polished rod (1) to move, and a sealing mechanism is arranged inside the movable opening;
the rotatable setting of feed cylinder (8) is in the inside of cylinder shell (2), packing mechanism divide into first packing (9) and the second packing (10) of rightting, first packing (9) of rightting sets up the inside at feed cylinder (8), packing (10) are righted to the second and are set up between feed cylinder (8) and cylinder shell (2), the equal fixedly connected with swinging arms (11) of the left and right sides of feed cylinder (8), two swinging arms (11) pass the arc opening of cylinder shell (2) the left and right sides respectively and pass through drive mechanism and bottom plate (4) interconnect, two arc open-ended inside all is provided with shelters from the mechanism.
2. The inlet polish rod sealing packing box mounting assembly of claim 1, wherein: the driving mechanism comprises two arc-shaped connecting plates (12), two first straight gears (13), two rotating rods (14), two second straight gears (15) and two second straight gears (15), the two arc-shaped connecting plates (12) are respectively fixedly connected with two opposite ends of the two oscillating rods (11), arc-shaped connecting grooves are formed in the lower sides of the two arc-shaped connecting plates (12), first racks are fixedly arranged on two sides, close to the two arc-shaped connecting grooves, of the two arc-shaped connecting grooves, the two first straight gears (13) are respectively rotatably arranged in the two arc-shaped connecting grooves and are meshed with the two first racks, the left side and the right side of the upper end of the bottom plate (4) are respectively transversely arranged in the strip-shaped grooves, second racks are fixedly arranged on the rear sides of the two strip-shaped grooves, the two second straight gears (15) are respectively rotatably arranged in the two strip-shaped grooves and are meshed with the two second racks, two the upper end of bull stick (14) respectively with the lower extreme middle part fixed connection of two first spur gears (13), the lower extreme of bull stick (14) respectively with the upper end middle part fixed connection of two second spur gears (15), two the pole wall middle part of bull stick (14) all is connected with supporting shoe (16), two through bearing rotation the relative both ends of supporting shoe (16) respectively with two lateral wall fixed connection about cylindrical shell (2).
3. The inlet polish rod sealing packing box mounting assembly of claim 2, wherein: the upper end and the lower end of the supporting block (16) are fixedly connected with torsion springs (17), the two torsion springs (17) are movably sleeved with the rod wall of the rotating rod (14), and the two opposite ends of the two torsion springs (17) are fixedly connected with the rotating rod (14).
4. The inlet polish rod sealing packing box mounting assembly of claim 3, wherein: shelter from the mechanism and include arc shielding plate (18) and set up the arc spout in arc opening upper and lower both sides, both sides all extend to both sides respectively around the arc spout, arc shielding plate (18) can shelter from the arc opening through in two arc spout arc openings, swinging arms (11) are pegged graft with arc shielding plate (18) are fixed.
5. The inlet polish rod sealing packing box mounting assembly of claim 4, wherein: the diameter of the inner circle side wall of the charging barrel (8) is reduced from top to bottom in sequence, and the diameter of the outer circle side wall of the charging barrel (8) is increased from top to bottom in sequence.
6. The inlet polish rod sealing packing box mounting assembly of claim 5, wherein: the centering mechanism comprises two centering sliding blocks (19) and two sets of centering springs (20), two centering sliding grooves which are distributed in bilateral symmetry are formed in the upper end of the bottom plate (4), the two centering sliding blocks (19) are arranged inside the two centering sliding grooves in a sliding mode respectively, the two sets of centering springs (20) are arranged in the two centering sliding grooves respectively, the number of the centering springs (20) in each set is two, and the two centering springs (20) are fixedly connected with the left side and the right side of the centering sliding blocks (19) respectively.
7. The inlet polish rod sealing packing box mounting assembly of claim 6, wherein: the sealing structure comprises a circular sealing plate (21) and two annular sealing plates (22), wherein the circular sealing plate (21) and the two circular sealing plates (21) are arranged inside the movable opening, the circular sealing plate (21) is fixedly inserted into the polished rod (1), the circular sealing plate (21) is arranged between the two circular sealing plates (21) in a sliding mode, the circular sealing plate (21) can be arranged between the two annular sealing plates (22) in a sliding mode, and a gap exists between the inner circular side wall of the annular sealing plate (22) and the polished rod (1).
8. The inlet polish rod sealing packing box mounting assembly of claim 7, wherein: elastic mechanism includes two fixed blocks (23), two lead screw (24) and two elasticity springs (25), two fixed block (23) respectively with the left and right sides top fixed connection of cylinder shell (2), two fixed block (23) all establish with two lead screw (24) slip cap respectively through the guiding hole, two the upper end of lead screw (24) all with upper cover (5) fixed connection, two the equal threaded connection of lower extreme of lead screw (24) has hexagon nut (26), two elasticity spring (25) are established with two lead screw (24) movable sleeve respectively, and elasticity spring (25) are located between fixed block (23) and hexagon nut (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210326013.2A CN114482901A (en) | 2022-03-30 | 2022-03-30 | Inlet polished rod sealing packing box mounting assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210326013.2A CN114482901A (en) | 2022-03-30 | 2022-03-30 | Inlet polished rod sealing packing box mounting assembly |
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| CN114482901A true CN114482901A (en) | 2022-05-13 |
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|---|---|---|---|
| CN202210326013.2A Pending CN114482901A (en) | 2022-03-30 | 2022-03-30 | Inlet polished rod sealing packing box mounting assembly |
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Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201474648U (en) * | 2009-08-28 | 2010-05-19 | 中国石油化工股份有限公司 | Rotating anti-partial grinding packing set box |
| CN201778723U (en) * | 2010-08-20 | 2011-03-30 | 中国石油天然气股份有限公司 | Deviation-regulating packing box moving with polish rod |
| CN202300276U (en) * | 2011-09-23 | 2012-07-04 | 克拉玛依胜利高原机械有限公司 | Hosepipe following deflection-regulation polish rod sealer |
| CN203783516U (en) * | 2014-04-22 | 2014-08-20 | 苑海阔 | Automatic deviation-correction packing box for pumping well head |
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| CN105971544A (en) * | 2016-07-14 | 2016-09-28 | 哈尔滨理工大学 | Follow-up type automatic compensation polished rod sealing device |
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| CN207795134U (en) * | 2017-12-25 | 2018-08-31 | 中国石油天然气股份有限公司 | A kind of blowout prevention box is along deflection device |
| CN110306946A (en) * | 2019-08-12 | 2019-10-08 | 大庆浩东科技有限公司 | A kind of heavy oil wells with can eccentric wear import polish rod seal packing kit mounting assembly |
| CN110374539A (en) * | 2019-09-03 | 2019-10-25 | 寰宇瀚天(北京)石油设备科技有限公司 | A kind of polished rod of pumping well protector |
| CN110424917A (en) * | 2019-08-12 | 2019-11-08 | 大庆浩东科技有限公司 | A kind of eccentric abrasion prevention import polish rod seal device of heavy oil wells |
| CN213743327U (en) * | 2020-11-11 | 2021-07-20 | 青岛圣特泰密封有限公司 | Packing seal sleeve for oil field drilling equipment |
| CN214532878U (en) * | 2021-04-06 | 2021-10-29 | 黄骅市天华石油机械有限公司 | Self-pressure adjustable deviation oil wellhead blowout prevention box |
| CN215213407U (en) * | 2021-07-01 | 2021-12-17 | 濮阳中石集团有限公司 | Eccentric polished rod sealing device |
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2022
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| CN202300276U (en) * | 2011-09-23 | 2012-07-04 | 克拉玛依胜利高原机械有限公司 | Hosepipe following deflection-regulation polish rod sealer |
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| CN110306946A (en) * | 2019-08-12 | 2019-10-08 | 大庆浩东科技有限公司 | A kind of heavy oil wells with can eccentric wear import polish rod seal packing kit mounting assembly |
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| CN213743327U (en) * | 2020-11-11 | 2021-07-20 | 青岛圣特泰密封有限公司 | Packing seal sleeve for oil field drilling equipment |
| CN214532878U (en) * | 2021-04-06 | 2021-10-29 | 黄骅市天华石油机械有限公司 | Self-pressure adjustable deviation oil wellhead blowout prevention box |
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