CN204609823U - Adjustable auto-strengthening piston rod sealer for pumping oil - Google Patents
Adjustable auto-strengthening piston rod sealer for pumping oil Download PDFInfo
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- CN204609823U CN204609823U CN201520321493.9U CN201520321493U CN204609823U CN 204609823 U CN204609823 U CN 204609823U CN 201520321493 U CN201520321493 U CN 201520321493U CN 204609823 U CN204609823 U CN 204609823U
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Abstract
The utility model relates to piston rod sealer for pumping oil technical field, is a kind of adjustable auto-strengthening piston rod sealer for pumping oil; It comprises polished rod seal righting cylinder, packing_seal assembly, adjustable righting wheel installing rack and righting wheel; Packing_seal assembly is installed with in the upper end of polished rod seal righting cylinder; The polished rod guide channel run through up and down is provided with in the middle inside of packing_seal assembly and polished rod seal righting cylinder; Polished rod seal righting cylinder is interval with at least two righting ring cavities be connected with polished rod guide channel up and down.The utility model reasonable and compact in structure, easy to use; Utilize 3 righting methods, regulate righting wheel by adjustable righting wheel installing rack, make the sucker rod at inclination well head place remain at center, prevent from producing serious eccentric wear to packing; Packing box simultaneously at the bottom of ball can swing and with sucker rod automatic aligning, reduce wearing and tearing by Universal rotary, increases the application life of packing, extends the replacement cycle, improve oil recovery efficiency; Labour intensity is low, and safety is high.
Description
Technical field
the utility model relates to piston rod sealer for pumping oil technical field, is a kind of adjustable auto-strengthening piston rod sealer for pumping oil.
Background technology
in field produces, in order to prevent Wellhead crue oil from revealing, usually at well head place mounting shaft sealer for mouth; Conventional wellhead sealing device utilizes packing_seal; The shaft seal of packing_seal is effective, but very easily weares and teares; When especially using when oil well tilts, because polished rod itself can being tilted in well head and can departing from center with oil well, more serious to the packing eccentric wear in sealer, almost within every about 10 days, just need to change once, and often change and once all need 20 minutes to 30 minutes; So frequent replacing, not only increases maintenance cost, also can reduce oil recovery efficiency, increases the labour intensity of field personnel, there is potential safety hazard.
Summary of the invention
the utility model provides a kind of adjustable auto-strengthening piston rod sealer for pumping oil, overcome the deficiency of above-mentioned prior art, it effectively can solve wellhead sealing device itself and very easily wear and tear, and the packing eccentric wear of the wellhead sealing device tilted in well head is serious, needs the frequent problem changed.
the technical solution of the utility model is realized by following measures: a kind of adjustable auto-strengthening piston rod sealer for pumping oil, comprises polished rod seal righting cylinder, packing_seal assembly, adjustable righting wheel installing rack and righting wheel; Packing_seal assembly is installed with in the upper end of polished rod seal righting cylinder; The polished rod guide channel run through up and down is provided with in the middle inside of packing_seal assembly and polished rod seal righting cylinder; Polished rod seal righting cylinder is interval with at least two righting ring cavities be connected with polished rod guide channel up and down; On the polished rod seal righting cylinder corresponding with righting ring cavity, horizontal circumference is installed with the adjustable righting wheel installing rack regulated inside and outside at least three energy, can withstand on the righting wheel on sucker rod in the inner of adjustable righting wheel installing rack, righting wheel lays respectively in righting ring cavity.
here is the further optimization and/or improvements to above-mentioned utility model technical scheme:
above-mentioned packing_seal assembly can comprise packing box base, packing box, the spacing pressure cap of box body and packing pressure cap; Packing box base is installed with in the upper end of polished rod seal righting cylinder; Packing box adopts packing box at the bottom of the ball spherically of bottom, and the upper end of the packing box base corresponding with the bottom sphere of packing box is provided with spherical nest groove; The lower spherical seat of packing box is in spherical nest groove; Be provided with external screw thread on the top of packing box base, be fixed with the spacing pressure cap of box body in packing box base upper end by screw thread; The middle part of the spacing pressure cap of box body is provided with up-narrow and down-wide sphere endoporus, and the sphere endoporus of the spacing pressure cap of box body is buckled in sphere upper end; In packing box inside, packing is installed, is provided with screw thread in the outside of packing box, outside the upper end of packing box, be installed with the packing pressure cap that packing can be pressed abd fixed in packing box by screw thread.
the lower spherical of above-mentioned packing box can be provided with rotational steps stopper slot; The packing box base corresponding with rotational steps stopper slot is provided with radial screw bore, and fixedly mounted by screw thread in radial screw bore and limitedly turn screw, the inner that limit turns screw is positioned at rotational steps stopper slot.
between the upper and lower every two righting ring cavities can be provided with on above-mentioned polished rod seal righting cylinder, be respectively the upper righting ring cavity of opening upwards and the lower righting ring cavity that Open Side Down; Upper righting ring cavity top is provided with internal thread, and packing box base by thread is fixedly mounted in the upside of righting ring cavity; On the polished rod seal righting cylinder corresponding with upper righting ring cavity and lower righting ring cavity, horizontal circumference is installed with the adjustable righting wheel installing rack regulated inside and outside at least three energy, be separately installed with righting wheel in the inner of adjustable righting wheel installing rack, righting wheel lays respectively in righting ring cavity and lower righting ring cavity; The packing box base of polished rod seal righting cylinder upper end is provided with outer shroud chuck, and the lower end of outer shroud chuck is against polished rod seal righting cylinder top.
auxiliary sealing device can be installed in the middle part of above-mentioned polished rod seal righting cylinder; Auxiliary sealing device comprises auxiliary seal end cap, screw putter, sealing block mount pad, left sealing block and right sealing block; Auxiliary seal ring cavity is provided with in the middle part of polished rod seal righting cylinder between upper righting ring cavity and lower righting ring cavity; Polished rod seal righting cylinder outside auxiliary seal ring cavity is respectively equipped with symmetrical installing hole; Be provided with internal thread at the external port place of installing hole, and be installed with auxiliary seal end cap by screw thread; Auxiliary seal end cap is respectively equipped with horizontal internal thread hole, is installed with screw putter at the horizontal internal thread hole of the auxiliary seal end cap of both sides by screw thread; Screw putter the inner of both sides is separately installed with the sealing block mount pad that can move radially along installing hole, be installed with semi-circular on the right side of the sealing block mount pad in left side and opening left sealing block to the right, on the left of the sealing block mount pad on right side, be installed with semi-circular and opening right sealing block left; Left sealing block and right sealing block are positioned at auxiliary seal ring cavity.
can be respectively equipped with the push rod installing hole of level in the outside of above-mentioned both sides sealing block mount pad, the inner of both sides screw putter is set in push rod installing hole; Screw putter in push rod installing hole is provided with outer shroud draw-in groove, on the sealing block mount pad corresponding with outer shroud draw-in groove, circle distribution has at least two pin-and-holes, is provided with axle limit pin in pin-and-hole, and the inner of axle limit pin is positioned at outer shroud draw-in groove; Left sealing block and right sealing block are fixed on the inner side of both sides sealing block mount pad by rivet.
above-mentioned lower righting ring cavity bottom can be provided with internal thread, is installed with adpting flange in lower righting ring cavity lower end by screw thread.
above-mentioned adjustable righting wheel installing rack can comprise union cap (UC), adjustment screw rod, righting wheel carrier and wheel shaft, polished rod seal righting cylinder outside righting ring cavity is evenly distributed at least three horizontal installing holes, the polished rod seal righting drum outer wall at each horizontal installing hole place is respectively equipped with external screw thread land is installed, external screw thread is installed outside land and is installed with union cap (UC) by screw thread, with screw thread, the internal thread hole that the corresponding union cap (UC) of land endoporus is provided with level is installed, in internal thread hole, by screw thread, adjustment screw rod is installed, adjustment screw rod is inner is provided with the righting wheel carrier that can move radially adjustment with adjustment screw rod successively through external screw thread installation land and horizontal installing hole, righting wheel chord position is in righting ring cavity, righting wheel is arranged on the inner of righting wheel carrier by wheel shaft.
the above-mentioned outer end at righting wheel carrier can be provided with screw rod connecting hole, and adjustment screw rod the inner is enclosed within screw rod connecting hole; Adjustment screw rod is provided with connection annular groove, and on the righting wheel carrier corresponding with connecting annular groove, circumference fixedly mounts at least two spacing backing pins, and the inner of spacing backing pin is positioned at and connects annular groove.
above-mentioned and horizontal installing hole and external screw thread are installed on adjustment screw rod corresponding to land can be provided with sealing ring mounting groove, is provided with sealing ring at sealing ring mounting groove internal fixtion; At the bottom of ball, packing box lower spherical is provided with sealing ring mounting groove, is provided with sealing ring at sealing ring mounting groove internal fixtion; Sealing block mount pad outer ring surface in installing hole is provided with sealing ring mounting groove, is provided with sealing ring at sealing ring mounting groove internal fixtion.
the utility model reasonable and compact in structure, easy to use; Utilize 3 righting methods, regulate righting wheel by adjustable righting wheel installing rack, make the sucker rod at inclination well head place remain at center, prevent from producing serious eccentric wear to packing; Packing box simultaneously at the bottom of ball can swing and with sucker rod automatic aligning, reduce wearing and tearing by Universal rotary, increases the application life of packing, extends the replacement cycle, improve oil recovery efficiency; Labour intensity is low, and safety is high.
Accompanying drawing explanation
accompanying drawing 1 is that the utility model most preferred embodiment master in a state of use looks sectional structure schematic diagram.
accompanying drawing 2 is A-A sectional structure schematic diagram in accompanying drawing 1.
coding in accompanying drawing is respectively: 1 is polished rod seal righting cylinder, 2 is polished rod guide channel, 3 is righting wheel, 4 is screw thread installation land, 5 is union cap (UC), 6 is adjustment screw rod, 7 is righting wheel carrier, 8 is wheel shaft, 9 is spacing backing pin, 10 is packing box base, 11 is packing box, 12 is the spacing pressure cap of box body, 13 is rotational steps stopper slot, 14 are limited turns screw, 15 is upper righting ring cavity, 16 is lower righting ring cavity, 17 is outer shroud chuck, 18 is auxiliary seal end cap, 19 is screw putter, 20 is sealing block mount pad, 21 is left sealing block, 22 is right sealing block, 23 is axle limit pin, 24 is rivet, 25 is packing pressure cap, 26 is adpting flange, 27 is sealing ring, 28 is packing, 29 is sucker rod.
Detailed description of the invention
the utility model by the restriction of following embodiment, can not determine concrete embodiment according to the technical solution of the utility model and actual conditions.
in the utility model, for convenience of description, the description of the relative position relation of each parts is all be described according to the Butut mode of Figure of description 2, as: the position relationship of upper and lower, left and right etc. determines according to the Butut direction of Figure of description 2.
below in conjunction with embodiment and accompanying drawing, the utility model is further described:
as shown in accompanying drawing 1,2, this adjustable auto-strengthening piston rod sealer for pumping oil comprises polished rod seal righting cylinder 1, packing_seal assembly, adjustable righting wheel installing rack and righting wheel 3; Packing_seal assembly is installed with in the upper end of polished rod seal righting cylinder 1; The polished rod guide channel 2 run through up and down is provided with in the middle inside of packing_seal assembly and polished rod seal righting cylinder 1; Polished rod seal righting cylinder 1 is interval with at least two righting ring cavities be connected with polished rod guide channel 2 up and down; On the polished rod seal righting cylinder 1 corresponding with righting ring cavity, horizontal circumference is installed with the adjustable righting wheel installing rack regulated inside and outside at least three energy, be separately installed with the inner in the inner of adjustable righting wheel installing rack and can withstand on righting wheel 3 on sucker rod 29, righting wheel 3 lays respectively in righting ring cavity.
during use, the utility model is connected to well head place, packing_seal assembly is to sucker rod 29 movable sealing in polished rod guide channel 2; Sucker rod 29 can be withstood on the center of oil well by the righting wheel 3 of righting ring cavity inside, utilizes 3 righting methods by sucker rod 29 righting, prevents because well head tilts and causes sucker rod 29 pairs of packing_seal assemblies to produce serious eccentric wear; Rolling friction between righting wheel 3 and sucker rod 29 simultaneously, resistance is little, and loss is low, does not affect sucker rod 29 and normally uses; Except above-mentioned because of well head tilt cause except serious eccentric wear, sucker rod 29 also can produce certain wearing and tearing to the packing in packing_seal assembly in oil pumping process, and packing can make produce between sucker rod 29 and righting wheel 3 radial clearance after wearing and tearing, affect the righting effect of righting wheel 3 pairs of sucker rods 29; In this case, by adjustable righting wheel installing rack, righting wheel 3 radial compensation is regulated, the center making sucker rod 29 remain at oil well pumps, not only ensure effective wellhead sealing, can also reduce wearing and tearing further, wear extent is only at 0.2 millimeter to 0.3 millimeter after testing; Considerably increase the application life of packing in packing_seal assembly, extend the replacement cycle, improve oil recovery efficiency; Reduce packing Xiao Mao, labour intensity is low, and safety is high; Adjustable righting wheel installing rack and righting wheel 3 can arrange multiple according to scene, improve righting effect.
according to actual needs, above-mentioned adjustable auto-strengthening piston rod sealer for pumping oil can be made further optimization and/or improvements:
as shown in Figure 2, packing_seal assembly comprises packing box base 10, packing box 11, the spacing pressure cap 12 of box body and packing pressure cap 25; Packing box base 10 is installed with in the upper end of polished rod seal righting cylinder 1; Packing box 11 adopts packing box at the bottom of the ball spherically of bottom, and the upper end of the packing box base 10 corresponding with the bottom sphere of packing box 11 is provided with spherical nest groove; The lower spherical seat of packing box 11 is in spherical nest groove; Be provided with external screw thread on the top of packing box base 10, be fixed with the spacing pressure cap 12 of box body in packing box base 10 upper end by screw thread; The middle part of the spacing pressure cap of box body 12 is provided with up-narrow and down-wide sphere endoporus, and the sphere endoporus of the spacing pressure cap 12 of box body is buckled in sphere upper end; In packing box 11 inside, packing 28 is installed, is provided with screw thread in the outside of packing box 11, outside the upper end of packing box 11, be installed with the packing pressure cap 25 that packing 28 can be pressed abd fixed in packing box 11 by screw thread.
packing box 11 can swing by Universal rotary in the spherical nest groove of packing box base 10, makes packing box 11 with sucker rod 29 automatic aligning, can reduce wearing and tearing; Prevent from producing negative pressure to packing 28, improve the application life of packing 28.
as shown in Figure 2, the lower spherical of packing box 11 is provided with rotational steps stopper slot 13; The packing box base 10 corresponding with rotational steps stopper slot 13 is provided with radial screw bore, and fixedly mounted by screw thread in radial screw bore and limitedly turn screw 14, the inner that limit turns screw 14 is positioned at rotational steps stopper slot 13.
can according to actual conditions, the rotation amplitude of packing box 11 turns by limit in the scope of the rotational steps stopper slot 13 that screw 14 limits; The rotational steps because of packing box 11 can be prevented so excessive, and affect the normal use of packing_seal assembly.
as shown in Figure 2, polished rod seal righting cylinder 1 is interval with two righting ring cavities up and down, is respectively the upper righting ring cavity 15 of opening upwards and the lower righting ring cavity 16 that Open Side Down; Upper righting ring cavity 15 top is provided with internal thread, and packing box base 10 is fixedly mounted in the upside of upper righting ring cavity 15 by screw thread; On the polished rod seal righting cylinder 1 corresponding with upper righting ring cavity 15 and lower righting ring cavity 16, horizontal circumference is installed with the adjustable righting wheel installing rack regulated inside and outside at least three energy, be separately installed with righting wheel 3 in the inner of adjustable righting wheel installing rack, righting wheel 3 lays respectively in righting ring cavity 15 and lower righting ring cavity 16; The packing box base 10 of polished rod seal righting cylinder 1 upper end is provided with outer shroud chuck 17, and the lower end of outer shroud chuck 17 is against polished rod seal righting cylinder 1 top.
righting wheel 3 in upper righting ring cavity 15 and in lower righting ring cavity 16 can act on sucker rod 29 simultaneously, makes sucker rod 29 remain on the center of oil well, improves righting effect.
as shown in Figure 2, in the middle part of polished rod seal righting cylinder 1, auxiliary sealing device is installed; Auxiliary sealing device comprises auxiliary seal end cap 18, screw putter 19, sealing block mount pad 20, left sealing block 21 and right sealing block 22; Auxiliary seal ring cavity is provided with in the middle part of polished rod seal righting cylinder 1 between upper righting ring cavity 15 and lower righting ring cavity 16; Polished rod seal righting cylinder 1 outside auxiliary seal ring cavity is respectively equipped with symmetrical installing hole; Be provided with internal thread at the external port place of installing hole, and be installed with auxiliary seal end cap 18 by screw thread; Auxiliary seal end cap 18 is respectively equipped with horizontal internal thread hole, is installed with screw putter 19 at the horizontal internal thread hole of the auxiliary seal end cap 18 of both sides by screw thread; Screw putter 19 the inner of both sides is separately installed with the sealing block mount pad 20 that can move radially along installing hole, be installed with semi-circular on the right side of the sealing block mount pad 20 in left side and opening left sealing block 21 to the right, on the left of the sealing block mount pad 20 on right side, be installed with semi-circular and opening right sealing block 22 left; Left sealing block 21 and right sealing block 22 are positioned at auxiliary seal ring cavity.
considering the safety of execute-in-place, when changing packing 28, needing first to be operated after wellhead sealing by auxiliary sealing device; During operation, by manual rotation screw putter 19, screw putter 19 drives left sealing block 21 to move right and right sealing block 22 is moved to the left, until sucker rod 29 is held tightly by left sealing block 21 and right sealing block 22, polished rod guide channel 2 is closed, wellhead sealing; After packing 28 is changed, then double thread push rod 19 derotation is opened; Can reuse, good sealing effect, easy to operate.
as shown in Figure 2, be respectively equipped with the push rod installing hole of level in the outside of both sides sealing block mount pad 20, the inner of both sides screw putter 19 is set in push rod installing hole; Screw putter 19 in push rod installing hole is provided with outer shroud draw-in groove, and on the sealing block mount pad corresponding with outer shroud draw-in groove, circle distribution has at least two pin-and-holes, is provided with axle limit pin 23 in pin-and-hole, and the inner of axle limit pin 23 is positioned at outer shroud draw-in groove; Left sealing block 21 and right sealing block 22 are fixed on the inner side of both sides sealing block mount pad 20 by rivet 24 riveted joint.
as shown in Figure 2, the bottom of lower righting ring cavity 16 is provided with internal thread, is installed with adpting flange 26 in lower righting ring cavity 16 lower end by screw thread.Also anchor ear can be installed with in polished rod seal righting cylinder 1 lower end; According to the syndeton at on-the-spot well mouth of oil well place, different links can be selected; The utility model is facilitated to install.
as shown in accompanying drawing 1,2, adjustable righting wheel installing rack comprises union cap (UC) 5, adjustment screw rod 6, righting wheel carrier 7 and wheel shaft 8, polished rod seal righting cylinder 1 outside righting ring cavity is evenly distributed at least three horizontal installing holes, polished rod seal righting cylinder 1 outer wall at each horizontal installing hole place is respectively equipped with external screw thread land 4 is installed, external screw thread is installed outside land 4 and is installed with union cap (UC) 5 by screw thread, with screw thread, the internal thread hole that the corresponding union cap (UC) 5 of land 4 endoporus is provided with level is installed, in internal thread hole, by screw thread, adjustment screw rod 6 is installed, adjustment screw rod 6 the inner installs land 4 through external screw thread successively and horizontal installing hole is provided with the righting wheel carrier 7 that can move radially adjustment with adjustment screw rod 6, righting wheel carrier 7 is positioned at righting ring cavity, righting wheel 3 is arranged on the inner of righting wheel carrier 7 by wheel shaft 8.
when righting wheel 3 radial compensation is regulated, can manual rotation adjustment screw rod 6, by screw-driven, adjustment screw rod 6 can the internal thread hole of threadingly pressure cap 5 rotate inside and outside mobile, and drives righting wheel carrier 7 and righting wheel 3 to realize inside and outside adjustment, easy to operate; Screw-driven can realize Fine Feed, and degree of regulation is high; Union cap (UC) 5 and external screw thread are installed to adopt between land 4 and are threaded, easy accessibility.
as shown in Figure 2, be provided with screw rod connecting hole in the outer end of righting wheel carrier 7, adjustment screw rod 6 the inner is enclosed within screw rod connecting hole; Adjustment screw rod 6 is provided with connection annular groove, and on the righting wheel carrier 7 corresponding with connecting annular groove, circumference fixedly mounts at least two spacing backing pins 9, and the inner of spacing backing pin 9 is positioned at and connects annular groove.
as shown in accompanying drawing 1,2, be provided with sealing ring mounting groove with the adjustment screw rod 6 that horizontal installing hole and external screw thread install land 4 corresponding, at sealing ring mounting groove internal fixtion, sealing ring 27 be installed; At the bottom of ball, packing box 11 lower spherical is provided with sealing ring mounting groove, is provided with sealing ring 27 at sealing ring mounting groove internal fixtion; Sealing block mount pad 20 outer ring surface in installing hole is provided with sealing ring mounting groove, is provided with sealing ring 27 at sealing ring mounting groove internal fixtion.Sealing ring 27 plays the effect increasing contact surface sealing.
above technical characteristic constitutes most preferred embodiment of the present utility model, and it has stronger compliance and best implementation result, can increase and decrease non-essential technical characteristic according to actual needs, meet the demand of different situations.
Claims (10)
1. an adjustable auto-strengthening piston rod sealer for pumping oil, is characterized in that comprising polished rod seal righting cylinder, packing_seal assembly, adjustable righting wheel installing rack and righting wheel; Packing_seal assembly is installed with in the upper end of polished rod seal righting cylinder; The polished rod guide channel run through up and down is provided with in the middle inside of packing_seal assembly and polished rod seal righting cylinder; Polished rod seal righting cylinder is interval with at least two righting ring cavities be connected with polished rod guide channel up and down; On the polished rod seal righting cylinder corresponding with righting ring cavity, horizontal circumference is installed with the adjustable righting wheel installing rack regulated inside and outside at least three energy, can withstand on the righting wheel on sucker rod in the inner of adjustable righting wheel installing rack, righting wheel lays respectively in righting ring cavity.
2. adjustable auto-strengthening piston rod sealer for pumping oil according to claim 1, is characterized in that packing_seal assembly comprises packing box base, packing box, the spacing pressure cap of box body and packing pressure cap; Packing box base is installed with in the upper end of polished rod seal righting cylinder; Packing box adopts packing box at the bottom of the ball spherically of bottom, and the upper end of the packing box base corresponding with the bottom sphere of packing box is provided with spherical nest groove; The lower spherical seat of packing box is in spherical nest groove; Be provided with external screw thread on the top of packing box base, be fixed with the spacing pressure cap of box body in packing box base upper end by screw thread; The middle part of the spacing pressure cap of box body is provided with up-narrow and down-wide sphere endoporus, and the sphere endoporus of the spacing pressure cap of box body is buckled in sphere upper end; In packing box inside, packing is installed, is provided with screw thread in the outside of packing box, outside the upper end of packing box, be installed with the packing pressure cap that packing can be pressed abd fixed in packing box by screw thread.
3. adjustable auto-strengthening piston rod sealer for pumping oil according to claim 2, is characterized in that the lower spherical of packing box is provided with rotational steps stopper slot; The packing box base corresponding with rotational steps stopper slot is provided with radial screw bore, and fixedly mounted by screw thread in radial screw bore and limitedly turn screw, the inner that limit turns screw is positioned at rotational steps stopper slot.
4. the adjustable auto-strengthening piston rod sealer for pumping oil according to claim 1 or 2 or 3, is characterized in that polished rod seal righting cylinder is interval with two righting ring cavities up and down, is respectively the upper righting ring cavity of opening upwards and the lower righting ring cavity that Open Side Down; Upper righting ring cavity top is provided with internal thread, and packing box base by thread is fixedly mounted in the upside of righting ring cavity; On the polished rod seal righting cylinder corresponding with upper righting ring cavity and lower righting ring cavity, horizontal circumference is installed with the adjustable righting wheel installing rack regulated inside and outside at least three energy, be separately installed with righting wheel in the inner of adjustable righting wheel installing rack, righting wheel lays respectively in righting ring cavity and lower righting ring cavity; The packing box base of polished rod seal righting cylinder upper end is provided with outer shroud chuck, and the lower end of outer shroud chuck is against polished rod seal righting cylinder top.
5. adjustable auto-strengthening piston rod sealer for pumping oil according to claim 4, is characterized in that being provided with auxiliary sealing device in the middle part of polished rod seal righting cylinder; Auxiliary sealing device comprises auxiliary seal end cap, screw putter, sealing block mount pad, left sealing block and right sealing block; Auxiliary seal ring cavity is provided with in the middle part of polished rod seal righting cylinder between upper righting ring cavity and lower righting ring cavity; Polished rod seal righting cylinder outside auxiliary seal ring cavity is respectively equipped with symmetrical installing hole; Be provided with internal thread at the external port place of installing hole, and be installed with auxiliary seal end cap by screw thread; Auxiliary seal end cap is respectively equipped with horizontal internal thread hole, is installed with screw putter at the horizontal internal thread hole of the auxiliary seal end cap of both sides by screw thread; Screw putter the inner of both sides is separately installed with the sealing block mount pad that can move radially along installing hole, be installed with semi-circular on the right side of the sealing block mount pad in left side and opening left sealing block to the right, on the left of the sealing block mount pad on right side, be installed with semi-circular and opening right sealing block left; Left sealing block and right sealing block are positioned at auxiliary seal ring cavity.
6. adjustable auto-strengthening piston rod sealer for pumping oil according to claim 5, is characterized in that the push rod installing hole being respectively equipped with level in the outside of both sides sealing block mount pad, and the inner of both sides screw putter is set in push rod installing hole; Screw putter in push rod installing hole is provided with outer shroud draw-in groove, on the sealing block mount pad corresponding with outer shroud draw-in groove, circle distribution has at least two pin-and-holes, is provided with axle limit pin in pin-and-hole, and the inner of axle limit pin is positioned at outer shroud draw-in groove; Left sealing block and right sealing block are fixed on the inner side of both sides sealing block mount pad by rivet.
7. adjustable auto-strengthening piston rod sealer for pumping oil according to claim 6, is characterized in that lower righting ring cavity bottom can be provided with internal thread, is installed with adpting flange in lower righting ring cavity lower end by screw thread.
8. adjustable auto-strengthening piston rod sealer for pumping oil according to claim 7, is characterized in that adjustable righting wheel installing rack comprises union cap (UC), adjustment screw rod, righting wheel carrier and wheel shaft, polished rod seal righting cylinder outside righting ring cavity is evenly distributed at least three horizontal installing holes, the polished rod seal righting drum outer wall at each horizontal installing hole place is respectively equipped with external screw thread land is installed, external screw thread is installed outside land and is installed with union cap (UC) by screw thread, with screw thread, the internal thread hole that the corresponding union cap (UC) of land endoporus is provided with level is installed, in internal thread hole, by screw thread, adjustment screw rod is installed, adjustment screw rod is inner is provided with the righting wheel carrier that can move radially adjustment with adjustment screw rod successively through external screw thread installation land and horizontal installing hole, righting wheel chord position is in righting ring cavity, righting wheel is arranged on the inner of righting wheel carrier by wheel shaft.
9. adjustable auto-strengthening piston rod sealer for pumping oil according to claim 8, is characterized in that the outer end of righting wheel carrier is provided with screw rod connecting hole, and adjustment screw rod the inner is enclosed within screw rod connecting hole; Adjustment screw rod is provided with connection annular groove, and on the righting wheel carrier corresponding with connecting annular groove, circumference fixedly mounts at least two spacing backing pins, and the inner of spacing backing pin is positioned at and connects annular groove.
10. adjustable auto-strengthening piston rod sealer for pumping oil according to claim 9, is characterized in that the adjustment screw rod installing land corresponding with horizontal installing hole and external screw thread is provided with sealing ring mounting groove, is provided with sealing ring at sealing ring mounting groove internal fixtion; At the bottom of ball, packing box lower spherical is provided with sealing ring mounting groove, is provided with sealing ring at sealing ring mounting groove internal fixtion; Sealing block mount pad outer ring surface in installing hole is provided with sealing ring mounting groove, is provided with sealing ring at sealing ring mounting groove internal fixtion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520321493.9U CN204609823U (en) | 2015-05-19 | 2015-05-19 | Adjustable auto-strengthening piston rod sealer for pumping oil |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520321493.9U CN204609823U (en) | 2015-05-19 | 2015-05-19 | Adjustable auto-strengthening piston rod sealer for pumping oil |
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| CN204609823U true CN204609823U (en) | 2015-09-02 |
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| CN201520321493.9U Expired - Fee Related CN204609823U (en) | 2015-05-19 | 2015-05-19 | Adjustable auto-strengthening piston rod sealer for pumping oil |
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| CN108222855A (en) * | 2016-12-12 | 2018-06-29 | 四川煜天石油机械设备有限公司 | A kind of reducing sucker rod rotary centralizer |
| CN108397140A (en) * | 2018-03-26 | 2018-08-14 | 杨颖辉 | Oil pipe righting mechanism and application its closed oil pipe outside cut device |
| CN109184582A (en) * | 2018-09-17 | 2019-01-11 | 克拉玛依胜利高原机械有限公司 | The replaceable assembly of split type polished rod, polished rod and polished rod Replacement procedure |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108222855A (en) * | 2016-12-12 | 2018-06-29 | 四川煜天石油机械设备有限公司 | A kind of reducing sucker rod rotary centralizer |
| CN108397140A (en) * | 2018-03-26 | 2018-08-14 | 杨颖辉 | Oil pipe righting mechanism and application its closed oil pipe outside cut device |
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| CN109184582A (en) * | 2018-09-17 | 2019-01-11 | 克拉玛依胜利高原机械有限公司 | The replaceable assembly of split type polished rod, polished rod and polished rod Replacement procedure |
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