CN105082210A - Cutting device for O-shaped packing of polish rod of pumping well - Google Patents

Cutting device for O-shaped packing of polish rod of pumping well Download PDF

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Publication number
CN105082210A
CN105082210A CN201510220093.3A CN201510220093A CN105082210A CN 105082210 A CN105082210 A CN 105082210A CN 201510220093 A CN201510220093 A CN 201510220093A CN 105082210 A CN105082210 A CN 105082210A
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CN
China
Prior art keywords
packing
cutter
fixator
depression bar
pumping well
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Granted
Application number
CN201510220093.3A
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Chinese (zh)
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CN105082210B (en
Inventor
魏彦权
孔红芳
周小东
褚月琴
周淑贤
魏延辉
李桂荣
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China Petroleum and Natural Gas Co Ltd
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China Petroleum and Natural Gas Co Ltd
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Priority to CN201510220093.3A priority Critical patent/CN105082210B/en
Publication of CN105082210A publication Critical patent/CN105082210A/en
Application granted granted Critical
Publication of CN105082210B publication Critical patent/CN105082210B/en
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Abstract

The invention relates to a cutting device for an O-shaped packing of a polish rod of a pumping well. The cutting device is composed of a handle (1), a connecting rod (2), a support (3), a base (4), a pressing rod (5), a packing fixer (7), a supporting shaft (8), a locking rod (9) and a cutter (10). The support (3) and the pressing rod (5) are arranged on the base (4); the pressing rod (5), the handle (1), the connecting rod (2) and the support (3) are sequentially hinged; the packing fixer (7) is fixed to the pressing rod (5); a groove for the cutter (10) to go through is formed under the packing fixer (7); the two upper ends of a cutting blade of the cutter (10) are fixed to the supporting shaft (8) and the locking rod (9) respectively; the supporting shaft (8) is arranged on the base (4) through a pin shaft; an arc groove (11) is formed in the base (4); and the locking rod is arranged in the arc groove (11). The cutting device is used for cutting the O-shaped packing, and the cutting angle is adjustable.

Description

Pumping well polish rod O type packing cutter sweep
Technical field
The present invention relates to a kind of oil field pumping well polished rod sealer tapping cutter, particularly a kind of pumping well polish rod O type packing cutter sweep.
Background technology
At present, in oil field machinery oil process, the sealing between the packing box of oil pumping machine well head upper end and sucker rod adopts the O type packing_seal be made up of rubber.In use, packing must be cut an otch clockwise by 30 °-45 °, be placed on polished rod from incision, current production scene cutting packing all adopts hacksaw or cutting knife, due to factor impacts such as operant level difference and instruments, can cause that the angular dimension of packing cut is inconsistent, cut surface is coarse, otch does not in one plane wait defective effect sealing effectiveness, shortens packing life cycle.Meanwhile, there is the potential safety hazard of incised wound finger.
Summary of the invention
For the defect that prior art is above-mentioned, the technical problem to be solved in the present invention is to provide a kind of pumping well polish rod O type packing cutter sweep, avoids that O type packing cut angle is inconsistent, rough surface.
For solving the problems of the technologies described above, pumping well polish rod O type packing cutter sweep of the present invention is by handle, connecting rod, support, base, depression bar, packing fixator, back shaft, check lock lever and cutter composition, above-mentioned support installing is on base, above-mentioned depression bar is arranged on base, above-mentioned depression bar, handle, connecting rod, support is hinged successively, above-mentioned packing fixator is fixed on depression bar, the groove that cutter can enter is provided with below above-mentioned packing fixator 7, above-mentioned cutter blade upwards two ends is separately fixed on back shaft 8 and check lock lever, above-mentioned back shaft is arranged on base by bearing pin, above-mentioned base arranges deep-slotted chip breaker, above-mentioned deep-slotted chip breaker take back shaft as the center of circle, above-mentioned check lock lever to be arranged in deep-slotted chip breaker and can to move between deep-slotted chip breaker two ends, above-mentioned depression bar can stretch up and down.
As a modification of the present invention, between above-mentioned packing fixator and depression bar, connecting plate is set.
As a preferred embodiment of the present invention, above-mentioned depression bar is hydraulic stem.
As another kind of preferred version of the present invention, above-mentioned depression bar is that spring returns power apparatus.
Above-mentioned spring returns power apparatus and is made up of inner tube, exterior tube and bourdon tube, and inner tube is fixed on base, and bourdon tube is enclosed within the middle and lower part of inner tube, outer tubular sleeve on the top of inner tube and with handle pinned connection.
Further improve as the present invention, centralizer installed by above-mentioned depression bar.
A kind of pumping well polish rod O type packing cutter sweep, comprising: packing fixator, can arrange up or down, packing fixator has the packing fixed axis extended in the horizontal direction; Cutter, be arranged on below packing fixator, cutter are arranged in horizontal plane rotationally relative to packing fixator.
Further, also comprise: support; Connecting rod, connecting rod and support hinged; Handle, with rod hinge connection; Depression bar, hinged with handle, packing fixator is fixed on depression bar.
Further, the groove that cutter can enter is provided with on the downside of packing fixator.
Further, also comprise base, base is connected with back shaft and check lock lever, the two ends of cutter are separately fixed on back shaft and check lock lever, base arranges deep-slotted chip breaker, and deep-slotted chip breaker take back shaft as the center of circle, and check lock lever to be arranged in deep-slotted chip breaker and can to move between the two ends of deep-slotted chip breaker.
Compared with present technical scheme, pumping well polish rod O type packing cutter sweep structure of the present invention is simple, conveniently can cut O type sealed packing, cutting angle is accurate, alleviate the labour intensity of workman, improve packing kerf quality and operating efficiency, extend packing service life.Main purpose of the present invention is to provide a kind of cutter sweep, to solve the problems of the prior art.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of pumping well polish rod O type packing cutter sweep of the present invention.
Wherein, above-mentioned accompanying drawing comprises the following drawings mark:
1, handle; 2, connecting rod; 3, support; 4, base; 5, depression bar; 6, connecting plate; 7, packing fixator; 8, back shaft; 9, check lock lever; 10, cutter; 11, deep-slotted chip breaker.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
As shown in Figure 1, pumping well polish rod O type packing cutter sweep of the present invention, be made up of handle 1, connecting rod 2, support 3, base 4, depression bar 5, connecting plate 6, packing fixator 7, back shaft 8, check lock lever 9 and cutter 10, wherein, handle 1 is hinged with connecting rod 2, connecting rod 2 is hinged with support 3, support 3 is fixed on base 4, and depression bar 5 is hydraulic stem, can stretch up and down, bottom is fixed on base 4, top and handle 1 hinged.Packing fixator 7 is fixed on depression bar 5 by connecting plate 6, and packing fixator 7 is cylindrical, and below is to the cutter groove that cutter 10 should be had to enter.Back shaft 8 is fixed on base 4 by bearing pin, base 4 has out a deep-slotted chip breaker 11, and the arc angle of deep-slotted chip breaker 11 is 30 degree, and check lock lever 9 is arranged on deep-slotted chip breaker 11 li, can slide between the two ends of deep-slotted chip breaker 11, carries out the angle change within the scope of 30 degree.Cutter 10 are bolted on back shaft 8 and check lock lever 9, and upwards, with back shaft 8 for the center of circle, when check lock lever 9 slides in deep-slotted chip breaker 11, cutter 10 can realize the adjustment in 30 degree of angular ranges to cutter 10 blade.
During use, O type packing is enclosed within packing fixator 7, unscrew check lock lever 9 a little, make check lock lever 9 in deep-slotted chip breaker 11, be free to slide to required packing cutting angle, tighten check lock lever 9, pressure handle 1, cutter 10 through the cutter groove below packing fixator 7 by a lateral incision otch of O type packing.
Depression bar 5 also can be spring and returns power apparatus.Spring returns power apparatus and is divided into three parts, inner tube, exterior tube and bourdon tube.Inner tube is fixed on base 4, and bourdon tube is enclosed within the middle and lower part of inner tube, and exterior tube is hollow pipe, and with handle 1 pinned connection, length is 1/3rd of inner tube, is enclosed within the top of inner tube.Pressure handle 1, exterior tube Compress Spring pipe, makes packing fixator 7 move down, cutter 10 through the cutter groove below packing fixator 7 by a lateral incision otch of O type packing.After cutting packing, handle 1 is made to be returned to original position by the extensional process of spring.For preventing operating shakiness during depression bar 5 cutting stress, centralizer can be installed additional on depression bar 5 side.
Connecting plate 6 can not be arranged, and packing fixator 7 is fixed on depression bar 5 by pin, bolt or welding manner.
Use the present invention conveniently can cut O type packing, cut quality is good, time saving and energy saving, easy to use.For the multiple packing of fly-cutting, attachment device can be designed on the invention, realize transmission and the cutting of multiple packing.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. a pumping well polish rod O type packing cutter sweep, it is characterized in that, comprise by handle (1), connecting rod (2), support (3), base (4), depression bar (5), packing fixator (7), back shaft (8), check lock lever (9) and cutter (10) composition, described support (3) is arranged on described base (4), described depression bar (5) is arranged on described base (4), described depression bar (5), handle (1), connecting rod (2), support (3) is hinged successively, described packing fixator (7) is fixed on described depression bar (5), described packing fixator (7) below is provided with the groove that described cutter (10) can enter, described cutter (10) blade upwards two ends is separately fixed on described back shaft (8) and described check lock lever (9), described back shaft (8) is arranged on described base (4) by bearing pin, described base (4) is arranged deep-slotted chip breaker (11), described deep-slotted chip breaker (11) with described back shaft (8) for the center of circle, it is inner and can move between described deep-slotted chip breaker (11) two ends that described check lock lever (9) is arranged on described deep-slotted chip breaker (11), described depression bar (5) can stretch up and down.
2. pumping well polish rod O type packing cutter sweep according to claim 1, is characterized in that, arrange connecting plate (6) between described packing fixator (7) and described depression bar (5).
3. pumping well polish rod O type packing cutter sweep according to claim 1, is characterized in that: described depression bar (5) is hydraulic stem.
4. pumping well polish rod O type packing cutter sweep according to claim 1, is characterized in that: described depression bar (5) returns power apparatus for spring.
5. pumping well polish rod O type packing cutter sweep according to claim 4, it is characterized in that: described spring returns power apparatus and is made up of inner tube, exterior tube and bourdon tube, inner tube is fixed on described base (4), bourdon tube is enclosed within the middle and lower part of inner tube, outer tubular sleeve on the top of inner tube and with described handle (1) pinned connection.
6. pumping well polish rod O type packing cutter sweep according to claim 1, is characterized in that: centralizer installed by described depression bar (5).
7. a pumping well polish rod O type packing cutter sweep, is characterized in that, comprising:
Packing fixator (7), can be arranged up or down, and described packing fixator (7) has the packing fixed axis extended in the horizontal direction;
Cutter (10), be arranged on described packing fixator (7) below, described cutter (10) are arranged in horizontal plane rotationally relative to described packing fixator (7).
8. pumping well polish rod O type packing cutter sweep according to claim 7, is characterized in that, also comprise:
Support (3);
Connecting rod (2), described connecting rod (2) is hinged with described support (3);
Handle (1), hinged with described connecting rod (2);
Depression bar (5), hinged with described handle (1), described packing fixator (7) is fixed on described depression bar (5).
9. pumping well polish rod O type packing cutter sweep according to claim 7, is characterized in that, described packing fixator (7) downside is provided with the groove that described cutter (10) can enter.
10. pumping well polish rod O type packing cutter sweep according to claim 7, it is characterized in that, also comprise base (4), described base (4) is connected with back shaft (8) and check lock lever (9), the two ends of described cutter (10) are separately fixed on (8) described in described back shaft and described check lock lever (9), described base (4) is arranged deep-slotted chip breaker (11), described deep-slotted chip breaker (11) with described back shaft (8) for the center of circle, it is inner and can move between the two ends of described deep-slotted chip breaker (11) that described check lock lever (9) is arranged on described deep-slotted chip breaker (11).
CN201510220093.3A 2014-05-14 2015-04-30 Cutting device for O-shaped packing of polish rod of pumping well Active CN105082210B (en)

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CN2014102035575 2014-05-14
CN201410203557 2014-05-14
CN201510220093.3A CN105082210B (en) 2014-05-14 2015-04-30 Cutting device for O-shaped packing of polish rod of pumping well

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105835111A (en) * 2016-06-10 2016-08-10 艾金富 Medicinal material cutting machinery
CN111283768A (en) * 2018-12-10 2020-06-16 中国石油天然气股份有限公司 Packing cutting device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108081345A (en) * 2017-12-13 2018-05-29 国网福建省电力有限公司 Packing shears specific purpose tool and its method of work

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB319497A (en) * 1928-09-28 1929-09-26 Edgar Woodhead Procter Improvements in or relating to potato cutting or chipping machines
GB471678A (en) * 1936-03-05 1937-09-06 Evans Harold Improvements in apparatus for cutting potatoes and the like
CN2381446Y (en) * 1999-07-15 2000-06-07 胜利石油管理局滨南采油厂 Packing cutter
CN201073779Y (en) * 2007-08-13 2008-06-18 卜春霞 Pump well polish-rod sealed disk root cutter
CN201109122Y (en) * 2007-11-21 2008-09-03 郭淑玲 Paking cutting assembly
CN201415417Y (en) * 2009-06-26 2010-03-03 大庆油田有限责任公司 Special-purpose cutter for packing
CN203092613U (en) * 2013-02-20 2013-07-31 江苏如意食品有限责任公司 Cabbage slicing machine
CN204800701U (en) * 2014-05-14 2015-11-25 中国石油天然气股份有限公司 Pumpingh well polished rod O type packing cutting device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB319497A (en) * 1928-09-28 1929-09-26 Edgar Woodhead Procter Improvements in or relating to potato cutting or chipping machines
GB471678A (en) * 1936-03-05 1937-09-06 Evans Harold Improvements in apparatus for cutting potatoes and the like
CN2381446Y (en) * 1999-07-15 2000-06-07 胜利石油管理局滨南采油厂 Packing cutter
CN201073779Y (en) * 2007-08-13 2008-06-18 卜春霞 Pump well polish-rod sealed disk root cutter
CN201109122Y (en) * 2007-11-21 2008-09-03 郭淑玲 Paking cutting assembly
CN201415417Y (en) * 2009-06-26 2010-03-03 大庆油田有限责任公司 Special-purpose cutter for packing
CN203092613U (en) * 2013-02-20 2013-07-31 江苏如意食品有限责任公司 Cabbage slicing machine
CN204800701U (en) * 2014-05-14 2015-11-25 中国石油天然气股份有限公司 Pumpingh well polished rod O type packing cutting device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105835111A (en) * 2016-06-10 2016-08-10 艾金富 Medicinal material cutting machinery
CN111283768A (en) * 2018-12-10 2020-06-16 中国石油天然气股份有限公司 Packing cutting device
CN111283768B (en) * 2018-12-10 2024-05-28 中国石油天然气股份有限公司 Packing cutting device

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