CN2641273Y - Automatic device for rectifying deviation and sealing for pumping well polish rod - Google Patents

Automatic device for rectifying deviation and sealing for pumping well polish rod Download PDF

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Publication number
CN2641273Y
CN2641273Y CN 03253504 CN03253504U CN2641273Y CN 2641273 Y CN2641273 Y CN 2641273Y CN 03253504 CN03253504 CN 03253504 CN 03253504 U CN03253504 U CN 03253504U CN 2641273 Y CN2641273 Y CN 2641273Y
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CN
China
Prior art keywords
polished rod
bulb
packing
contained
inner chamber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 03253504
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Chinese (zh)
Inventor
陈景世
孟向军
郝兴
黄东
卢开庆
张瑞波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shengli Oil Production Field Shengli Oil Field Co Ltd China Petrochemical G
Sinopec Shengli Oilfield Co Shengli Oil Extraction Plant
Original Assignee
Shengli Oil Production Field Shengli Oil Field Co Ltd China Petrochemical G
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shengli Oil Production Field Shengli Oil Field Co Ltd China Petrochemical G filed Critical Shengli Oil Production Field Shengli Oil Field Co Ltd China Petrochemical G
Priority to CN 03253504 priority Critical patent/CN2641273Y/en
Application granted granted Critical
Publication of CN2641273Y publication Critical patent/CN2641273Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a pumping well head polished rod automatic deviation rectifying sealer. The automatic deviation rectifying part in the bottom adopts the bulb universal structure, the lower part of the bulb is arranged in the bulb seat, the upper part is arranged in the bulb cap which is covered above and outside the bulb seat, the bulb and the cue are made as a whole. A right protecting part in the bottom is arranged in the inner chamber of the bulb and is clingy with the oil pumping polished rod; a righting protecting part on the upper part is arranged in the inner chamber of the packing gland nut and is clingy with the oil pumping polished rod. All sealed packing units are arranged in the inner chamber of the cue and are clingy with the oil pumping polished rod, theft protection shackle pins are arranged in the radial screwed holes in the bottom of the bulb cap. The operating handles are arranged on the external surface of the cue and the packing gland nut. The main advantages are that the utility model is capable of making the sealed packing unit following keep concentric with the oil pumping polished rod, preventing the polished rod from eccentrically wearing the packing unit, and having good sealing effect, and protecting the polished rod avoiding to be frayed and preventing the lawbreaker from stealing the oil. The utility model has a simple and light structure, low cost and long service time, and is easy to fix and use as well as being applicable for various pumping well heads.

Description

Mouth of pumped oil well polished rod automatic deviation correction sealer
(1) technical field
The utility model relates to the sealing of mouth of pumped oil well, particularly is a kind of mouth of pumped oil well polished rod automatic deviation correction sealer.
(2) background technology
For many years, mouth of pumped oil well polished rod seal and anti-eccentric wear are each oil field oil recovery unit common concern and the technical task of making great efforts tackling key problem always.The patent application document in this field pieces of writing existing up to a hundred.The sealing of the main solution oil pumping polish rod that has, the main solution oil pumping polish rod that has are to the eccentric wear of well head, and a few patents solves polished rod seal and anti-eccentric wear two big technical problems simultaneously.Yet, continued to use old-fashioned polished rod sealer for many years, still the pumpingh well more than 80% continues to use in each oil field so far, illustrates that thus some patented technology is still perfect inadequately, can not large-scale popularization use.Contrast some patent documentations by analysis, though have solved polished rod seal preferably, it is convenient inadequately to change sealed packing, the stop pumping time is longer, influences crude output, or sealing effectiveness and application life are all not ideal enough; Though what have has solved the eccentric wear of polished rod to the well head place, cause in the well rod string to the eccentric wear of tube inner wall, or oil pumping polish rod self wearing and tearing are more serious; Though what have has solved sealing and eccentric wear simultaneously, structure is too complicated, and the manufacturing cost height requires also very high to Installation and Debugging.In addition, nearly all mouth of pumped oil well polish rod seal device does not all have anti-theft feature, and the lawless person gets final product removing seal with general purpose tool, and not only national crude oil is stolen, and can cause major accident, this is each oil field ubiquity and insoluble hard nut to crack.
(3) summary of the invention
In view of there is above-mentioned shortcoming and defect part in prior art, the purpose of this utility model provides a kind of distinguished mouth of pumped oil well polished rod automatic deviation correction sealer, solves the sealing of oil pumping polish rod, anti-eccentric wear and the antitheft problem of unloading better.
Above-mentioned purpose is realized by following technical proposals:
This mouth of pumped oil well polished rod automatic deviation correction sealer comprises that automatic deviation correction part, polished rod set upright protection part, packing_seal part and the antitheft part of unloading.It is characterized in that the automatic deviation correction part in the bottom, adopts the bulb omnidirectional mechanism, form by bulb, ball cup, bulb lid and " O " shape sealing ring.The two is one for bulb and club, and inner chamber is respectively arranged.The bulb Lower Half is contained in the ball cup, and the first half is contained in the bulb lid.The bulb lid is contained in the top and outside of ball cup.Polished rod is set upright protection part two places, below a place be contained in the bulb inner chamber and be close to the polished rod external surface, above a place be contained in packing pressure cap inner chamber and be close to the polished rod external surface.The packing_seal part is made up of three sections Screw disk-seal tubes, all is contained in the club inner chamber and is close to the polished rod external surface.The packing hypomere is conical, and the stage casing is that taper shape and outside have 3~5 road gingival cyst of mucous gland in the newborn buttons, and epimere is cylindrical.Antitheft to unload part be 2~3 pins, is installed in the radial screw bore of bulb lid bottom.
Following place's polished rod in the above-mentioned mouth of pumped oil well polished rod automatic deviation correction sealer is set upright the protection part, by setting upright protective sleeve and circlip is formed.Setting upright protective sleeve is round tube shape; with nylon or other nonmetal manufacturing, its external surface has the external screw thread that matches with bulb inner chamber internal thread, wherein, centre bore that the bottom has to match with polished rod; uniform 4~8 the axial semicircle hole slots of center bore inner wall, its top are conical cavities.Circlip is contained in to be set upright the protective sleeve lower end and is stuck in the cannelure of bulb inner chamber.
Top place's polished rod in the above-mentioned mouth of pumped oil well polished rod automatic deviation correction sealer is set upright the protection part, by set upright protection watt, distensible plate and packing pressure pad are formed.Setting upright protection watt has two, all be the semi-circle tubular shape, and with nylon or other nonmetal manufacturing, these two blocks of semicircle pipes respectively have an axial groove to two gap locations of adorning, and respectively insert the distensible plate of an interference fit in the groove.The packing pressure pad be contained in set upright the protection watt the outside, its upper end inner convex platform axially push down set upright the protection watt the upper end.
The cannelure that 3~5 installations " O " shape sealing ring is arranged on the sphere internal chamber wall of ball cup in the above-mentioned mouth of pumped oil well polished rod automatic deviation correction sealer and bulb lid.The installation that matches of the internal thread of the external screw thread on ball cup top and bulb lid.
Club epimere in the above-mentioned mouth of pumped oil well polished rod automatic deviation correction sealer has the external screw thread that matches with packing pressure cap internal thread.Club middle part external surface is installed two rotating operation handles.Packing pressure cap external surface is installed a rotating operation handle.
The protective sleeve of setting upright in the bulb omnidirectional mechanism of this mouth of pumped oil well polished rod automatic deviation correction sealer and its bulb combines, and can rectify a deviation automatically, makes oil pumping polish rod and well head keep concentric, and protects polished rod frayed less.The protection of setting upright on top watt mainly shields to polished rod, and the correction effect is also arranged.So comprehensive rectifying effect is better.The unique distinction of packing_seal part is progressively to add packing, and need not trip out old packing, has both made full use of packing, has significantly reduced the stop pumping time again, and sealing effectiveness is good again.The sealing device is simple in structure lightly, manufacturing cost is lower, and installation and maintenance are convenient, and application life is longer.It is not quick detachable that pin is unloaded in its underpart antitheft, has the antitheft effect of unloading.
(4) description of drawings
Accompanying drawing 1 is that overall structure of the present utility model is partly cutd open schematic diagram.
Accompanying drawing 2 be in its bulb set upright protective sleeve partly cut open schematic diagram.
Accompanying drawing 3 is that the C of Fig. 2 is to vertical view.
Accompanying drawing 4 is D-D sectional schematic diagrams of Fig. 1.
(5) specific embodiment
Embodiment of accompanying drawings:
In the accompanying drawing, the 1st, oil pumping polish rod, the 2nd, ball cup, the 3rd, circlip; the 4th, the antitheft pin that unloads, the 5th, set upright protective sleeve, the 6th, the bulb lid; the 7th, bulb, the 8th, " O " shape sealing ring, the 9th, tapered auger packing; the 10th, handle, the 11st, the outside has the tapered auger packing of gingival cyst of mucous gland in the newborn button, the 12nd, club; the 13rd, cylindrical Screw disk-seal tube, the 14th, set upright the protection watt, the 15th, distensible plate; the 16th, the packing pressure pad, the 17th, the packing pressure cap, 18 and 19 is handles.A is the axial semicircle hole slot of setting upright on protective sleeve 5 inwalls, and B is a conical cavity of setting upright protective sleeve 5 tops.
By shown in Figure 1, the utility model comprises that automatic deviation correction, polished rod set upright protection, packing_seal and antitheftly unload four major parts.The automatic deviation correction part adopts the bulb omnidirectional mechanism in the bottom, is made up of bulb 7, ball cup 2, bulb lid 6 and " O " shape sealing ring 8.The two is one for bulb 7 and club 12, and inner chamber is respectively arranged.The Lower Half of bulb 7 is contained in the ball cup 2, and the first half is contained in the bulb lid 6.Bulb lid 6 is contained in the top and outside of ball cup 2.Polished rod is set upright protection part two places, below a place be contained in the inner chamber of bulb 7 and be close to the external surface of polished rod 1, above a place be contained in the inner chamber of packing pressure cap 17 and be close to the external surface of polished rod 1.Packing_seal part is made up of three sections Screw disk-seal tubes, all is contained in the inner chamber of club 12 and is close to the external surface of polished rod 1.Packing hypomere 9 is conical, and stage casing 11 is for there are four road gingival cyst of mucous gland in the newborn buttons taper shape and outside, and epimere 13 is cylindrical.The antitheft pin 4 that unloads has two, is installed in bulb and covers in two radial screw bore in 6 bottoms.
By shown in Figure 1, below place's polished rod set upright protection part by setting upright protective sleeve 5 and circlip 3 is formed.Shown in Fig. 1,2,3, to set upright protective sleeve 5 and be round tube shape, its external surface has external screw thread, wherein, centre bore that the bottom has to match with polished rod 1, and uniform 6 axial semicircle hole slot A on the center bore inner wall, its top is a conical cavity B.Circlip 3 is contained in the lower end of setting upright protective sleeve 5, and is stuck in the cannelure of bulb 7 inner chambers.
By shown in Figure 1, above place's polished rod set upright protection part and form by setting upright protection watts 14, distensible plate 15 and packing pressure pad 16.By shown in Figure 4, setting upright protection watts 14 has two, all be the semi-circle tubular shape, and these two blocks of semicircle pipes respectively have an axial groove to two gap locations of adorning, and respectively insert the distensible plate 15 of an interference fit in the groove.Be contained in the outside of setting upright protection watts 14 by packing pressure pad 16 shown in Figure 1, the inner convex platform of its upper end is axially pushed down the upper end of setting upright protection watts 14.
The installation and the operating procedure of sealing device are: as shown in Figure 1, dismantle packing pressure cap 17 earlier, take out packing pressure pad 16, set upright protection watts 14, distensible plate 15 and all packings 9,11,13, the sealing device is set on the polished rod 1 again.Rod string in polished rod 1 and the oil well be connected finish after, again the internal thread and the oil pipe of ball cup 2 bottoms are connected.Then tapered auger packing 9 is set on the polished rod 1, and presses downward to club 12 inner chamber bottoms, be pressed into packing 11 and 13 again, reinstall two and set upright protection watts 14 and packing pressure pad 16, and insert two distensible plates 15, load onto packing pressure cap 17 at last.One hold handle 10 then, another hand turning handle 18 is tightened, and makes packing 9,11,13 further pressurizeds, fills up the inner chamber of club 12 and radially swelling, and polished rod 1 outer surface is promptly sealed, leakage of oil when preventing to pump.Behind the oil pumper work certain hour, packing 9,11,13 can be ground off a part by polished rod 1, and sealing performance reduces, and can one hold handle 10 this moment, and another hand turning handle 18 is tightened a little, can recover excellent sealing effect.Carry out so repeatedly; until packing pressure cap 17, packing pressure pad 16, set upright protection watts 14 and distensible plate 15 is pressed downwardly onto extreme position, when still having seepage, stop pumping temporarily; unload packing pressure cap 17 earlier, upwards trip out packing pressure pad 16 again, set upright protection watts 14 and distensible plate 15.Buckled by the gingival cyst of mucous gland in the newborn of club 12 inner chambers because of the gingival cyst of mucous gland in the newborn button of packing 11 external surfaces and block this moment, can prevent that packing 9 and 11 from being ejected by down-hole pressure.A certain amount of cylindrical Screw disk-seal tube 13 of packing into from the upper end then.Refill at last and set upright protection watts 14, distensible plate 15, packing pressure pad 16 and packing pressure cap 17, and firmly tighten to a certain degree, make packing 9,11,13 radially swellings, recover excellent sealing effect.The characteristics of this sealed packing structure are, after the packing 13 dosed all be cylindrical helical form, be forced into the bottom and just become taper shape, the gingival cyst of mucous gland in the newborn button of external surface extruding automatically forms.The packing chip foam that is ground off by polished rod 1 falls into the conical cavity B that sets upright in the protective sleeve 5 earlier, again in semicircle hole slot A falls well.Its advantage is whenever to dose a packing can dose packing at every turn and only need 2~3 minutes with 8~24 months, and packing is fully utilized.
Be in the bottom owing to play the bulb omnidirectional mechanism of correction effect, and long club 12 is arranged, sealed packing all is contained in the inner chamber of club 12, concentric and become one with it, club 12 is both as the housing of sealer, and again as packing box, to be correction combine with sealing cleverly for this.When oil pumping polish rod 1 and well head decentraction (skew or inclination), polished rod 1 pumps, and meeting drives bulb 7 and club 12 deflects into required angle, make the sealed packing 9,11,13 in the club 12 keep concentric with polished rod 1 all the time, both prevented 1 pair of packing generation of polished rod eccentric wear effectively, guaranteeing again has good sealing effectiveness.By the setting upright protective sleeve 5 and set upright protection watts 14 of nylon or other nonmetals manufacturing, existing centralizing function to polished rod 1 can prevent that again polished rod 1 is worn.The antitheft pin 4 that unloads is after the sealing device installs, and its outer end head is knocked to rivet, and the lawless person can't dismantle stolen.The utility model can reach sealing, correction, protection polished rod and antitheft wet goods purpose, can be widely used in the mouth of pumped oil well in each oil field.

Claims (5)

1. mouth of pumped oil well polished rod automatic deviation correction sealer; comprise automatic deviation correction; polished rod is set upright protection; packing_seal and antitheft four parts of unloading; it is characterized in that the automatic deviation correction part is in the bottom; adopt the bulb omnidirectional mechanism; by bulb (7); ball cup (2); bulb lid (6) and " O " shape sealing rings (8) are formed; the two is one for bulb (7) and club (12); and inner chamber arranged respectively; the Lower Half of bulb (7) is contained in the ball cup (2); the first half is contained in the bulb lid (6); bulb lid (6) is contained in the top and outside of ball cup (2); polished rod is set upright the protection part two places; below a place be contained in the inner chamber of bulb (7) and be close to the external surface of polished rod (1); above a place be contained in the inner chamber of packing pressure cap (17) and be close to the external surface of polished rod (1); the packing_seal part is made up of three sections Screw disk-seal tubes; all be contained in the inner chamber of club (12) and be close to the external surface of polished rod (1); packing hypomere (9) is conical; there are 3~5 road gingival cyst of mucous gland in the newborn buttons in stage casing (11) for taper shape and external surface; epimere (13) is cylindrical; the antitheft pin (4) that unloads has 2~3, is installed in the radial screw bore of bulb lid (6) bottom.
2. mouth of pumped oil well polished rod automatic deviation correction sealer according to claim 1; it is characterized in that following place's polished rod sets upright protection part by setting upright protective sleeve (5) and circlip (3) is formed; setting upright protective sleeve (5) is round tube shape; its external surface has external screw thread; wherein, the centre bore that matches with polished rod (1) is arranged at the bottom; uniform 4~8 axial semicircle hole slots (A) on the center bore inner wall; its top is a conical cavity (B); circlip (3) is contained in the lower end of setting upright protective sleeve (5), and is stuck in the cannelure of bulb (7) inner chamber.
3. mouth of pumped oil well polished rod automatic deviation correction sealer according to claim 1; it is characterized in that top place's polished rod sets upright protection part and form by setting upright protection watt (14), the tight plate of account (15) and packing pressure pad (16); set upright protection watt (14) and have two; it all is the semi-circle tubular shape; these two blocks of semicircle pipes respectively have an axial groove to two gap locations of dress; respectively insert the tight plate of account (15) of an interference fit in the groove; packing pressure pad (16) is contained in sets upright protection watt (14) outside, and the inner convex platform of its upper end is axially pushed down the upper end of setting upright protection watt (14).
4. mouth of pumped oil well polished rod automatic deviation correction sealer according to claim 1, it is characterized in that on the sphere internal chamber wall of ball cup (2) and bulb lid (6) cannelure of 3~5 installation " O " shape sealing rings (8) being arranged, the internal thread that the external screw thread on ball cup (2) top and bulb cover (6) installation that matches.
5. mouth of pumped oil well polished rod automatic deviation correction sealer according to claim 1, it is characterized in that club (12) epimere has the external screw thread that matches with packing pressure cap (17) internal thread, two rotating operation handles (10), (19) are installed in club (12) middle part, and packing pressure cap (17) external surface is installed a rotating operation handle (18).
CN 03253504 2003-09-12 2003-09-12 Automatic device for rectifying deviation and sealing for pumping well polish rod Expired - Fee Related CN2641273Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 03253504 CN2641273Y (en) 2003-09-12 2003-09-12 Automatic device for rectifying deviation and sealing for pumping well polish rod

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 03253504 CN2641273Y (en) 2003-09-12 2003-09-12 Automatic device for rectifying deviation and sealing for pumping well polish rod

Publications (1)

Publication Number Publication Date
CN2641273Y true CN2641273Y (en) 2004-09-15

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CN 03253504 Expired - Fee Related CN2641273Y (en) 2003-09-12 2003-09-12 Automatic device for rectifying deviation and sealing for pumping well polish rod

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103437733A (en) * 2013-08-19 2013-12-11 东营睿智友亮石油设备有限公司 Well-mouth polished-rod centralizing sealer
CN103738685A (en) * 2013-12-17 2014-04-23 徐工集团凯宫重工南京有限公司 Universal connection device for driving shield spiral conveyer
CN107664121A (en) * 2017-11-20 2018-02-06 中国石油化工股份有限公司 A kind of oil field special vehicle high-pressure plunger pump
CN109236224A (en) * 2018-09-19 2019-01-18 陕西百豪科技发展有限责任公司 A kind of anti-dry grinding polished rod seal box of floating type two-stage sealing
CN111022648A (en) * 2019-11-30 2020-04-17 牡丹江市林海石油打捞工具有限公司 Tension adjustment double-roller set deviation rectifying packing box

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103437733A (en) * 2013-08-19 2013-12-11 东营睿智友亮石油设备有限公司 Well-mouth polished-rod centralizing sealer
CN103738685A (en) * 2013-12-17 2014-04-23 徐工集团凯宫重工南京有限公司 Universal connection device for driving shield spiral conveyer
CN103738685B (en) * 2013-12-17 2016-03-02 徐工集团凯宫重工南京有限公司 A kind of shield screw conveyer driving universal connector
CN107664121A (en) * 2017-11-20 2018-02-06 中国石油化工股份有限公司 A kind of oil field special vehicle high-pressure plunger pump
CN107664121B (en) * 2017-11-20 2019-09-03 中国石油化工股份有限公司 A kind of oil field special vehicle high-pressure plunger pump
CN109236224A (en) * 2018-09-19 2019-01-18 陕西百豪科技发展有限责任公司 A kind of anti-dry grinding polished rod seal box of floating type two-stage sealing
CN109236224B (en) * 2018-09-19 2023-08-15 陕西百豪科技发展有限责任公司 Floating type double-stage sealing dry-grinding-preventing polish rod sealing box
CN111022648A (en) * 2019-11-30 2020-04-17 牡丹江市林海石油打捞工具有限公司 Tension adjustment double-roller set deviation rectifying packing box

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C19 Lapse of patent right due to non-payment of the annual fee
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