CN110355713A - A kind of screw nut dismantling device and its assembly and disassembly methods - Google Patents
A kind of screw nut dismantling device and its assembly and disassembly methods Download PDFInfo
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- CN110355713A CN110355713A CN201910639042.2A CN201910639042A CN110355713A CN 110355713 A CN110355713 A CN 110355713A CN 201910639042 A CN201910639042 A CN 201910639042A CN 110355713 A CN110355713 A CN 110355713A
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- sleeve
- bevel gear
- differential
- screw nut
- driven wheel
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000004519 grease Substances 0.000 claims description 19
- 230000001050 lubricating effect Effects 0.000 claims description 19
- 238000002347 injection Methods 0.000 claims description 13
- 239000007924 injection Substances 0.000 claims description 13
- 239000007787 solid Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 abstract description 6
- 239000010959 steel Substances 0.000 abstract description 6
- 208000027418 Wounds and injury Diseases 0.000 abstract description 5
- 230000006378 damage Effects 0.000 abstract description 5
- 208000014674 injury Diseases 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 abstract description 5
- 230000003014 reinforcing effect Effects 0.000 abstract description 5
- 230000005570 vertical transmission Effects 0.000 abstract description 3
- 238000005299 abrasion Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 206010016256 fatigue Diseases 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 210000003371 toe Anatomy 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
- B25B21/002—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose for special purposes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/0007—Connections or joints between tool parts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Transmission (AREA)
Abstract
The present invention provides a kind of screw nut dismantling device and its assembly and disassembly methods, including two sleeves vertically mutually set, it is first sleeve and second sleeve respectively, the Single port of first sleeve is used for grafting impact gun rotation axis, other end mouth is fixedly connected with drive bevel gear, the Single port of second sleeve is fixedly connected with driven wheel of differential, and driven wheel of differential engages connection with drive bevel gear, and the other end mouth of second sleeve is for being clamped screw nut.The present invention passes through two mutually perpendicular bevel gears, realize the vertical transmission of torque, flange lower plane is solved due to the obstruction of distance and angle, lead to not the problem of vertically using impact gun and reinforcing thick stick, avoid the diagonal discontinuity of flange screw, and existing leakage in the case of high pressure, the risks such as wellhead flange is stabbed, steel ring is stabbed, also reduce and prevent injury to personnel and liquid to pierce the environmentally friendly risk of leakage.
Description
Technical field
The invention belongs to mechanical equipment installation technical fields, and in particular to a kind of screw nut dismantling device and its dismounting side
Method dismounts wellhead flange screw, preventer especially suitable for oil testing and fracture scene dismounting wellhead flange screw, well control plant working
Flange screw is dismounted when detection.
Background technique
Along with the development of fracturing technique, the extensive multistage pressing crack construction of oil/gas well already belongs to routine work, currently,
The method of disassembly wellhead flange screw is to tap spanner using dedicated six side, is generally mated tool as reinforcing thick stick, the disassembly side
Method has the following deficiencies:
(1) due to there is the attachmentes objects such as wellhead platform, oil jacket relief line to block/hinder, personnel operate relative difficulty, only dismount one
Secondary flange screw (oil-containing the puts flange screw) used time, in the case where personnel are tired out, the used time was longer in 90min or more.
(2) the diagonal discontinuity of flange screw, there are leakage rectification, wellhead flange and steel rings to stab in the case of high pressure
Etc. risks, not only the used time can lengthen, at the same there is also injury to personnel and liquid thorn leakage environmentally friendly risk.
(3) oil field equipment top can vertically using impact gun equipment or artificial, but the interface position of well head spacer flanger due to
Solution is not yet received in the problem of lower planes space and angle.
Summary of the invention
Embodiment of the present invention is designed to provide a kind of screw nut dismantling device and its assembly and disassembly methods, on overcoming
State technological deficiency.
In order to solve the above technical problems, it includes vertically mutually setting the present invention provides a kind of screw nut dismantling device
Two sleeves are first sleeve and second sleeve respectively, and the Single port of the first sleeve is used for grafting impact gun rotation axis, in addition
Single port is fixedly connected with drive bevel gear, and the Single port of the second sleeve is fixedly connected with driven wheel of differential, described from mantle tooth
Wheel engages connection with the drive bevel gear, and the other end mouth of the second sleeve is for being clamped screw nut.
The present invention also protects a kind of assembly and disassembly methods of screw nut dismantling device: by the second of screw nut dismantling device
Sleeve is connected in screw nut to be dismounted, and holds impact gun, by the first sleeve of impact gun rotation axis insertion screw nut dismantling device
Port in, impact gun drives drive bevel gear rotation by impact gun rotation axis as power source, and drive bevel gear engagement is from mantle
Gear, and transmit torque to driven wheel of differential, driven wheel of differential transfers a torque to second sleeve, second sleeve rotation dismounting to
Dismount screw nut.
Preferably, the first sleeve and the drive bevel gear are an integral structure, the second sleeve and it is described from
Dynamic bevel gear is an integral structure.
Further, screw nut dismantling device further includes shell, and the drive bevel gear and driven wheel of differential are embedding
Loaded in shell, the curved surface spherical that the shell is made of two planes and an arcwall face, one of plane is used for
Pass through and close the drive bevel gear, another plane be used for across with close the driven wheel of differential, the arcwall face is just
To the field of conjugate action of drive bevel gear and driven wheel of differential.
Further, screw nut dismantling device further includes shell, the first sleeve, drive bevel gear and from mantle
Gear is flush-mounted in shell, and second sleeve is placed in outside the shell, and the shell is rectangular cavity, cuboid shell
Any two vertical plane in wherein one side for across with closing first sleeve and drive bevel gear, in addition one side is for wearing
Cross and close the driven wheel of differential.
Preferably, the first sleeve and drive bevel gear are coaxial, and the second sleeve and driven wheel of differential are coaxial, described
Drive bevel gear and the driven wheel of differential are orthogonal.
Preferably, the position of the inner walls face drive bevel gear tooth top and driven wheel of differential tooth top offers respectively
Limiting slot.
Preferably, the field of conjugate action phase with drive bevel gear and driven wheel of differential is equipped between two adjacent limiting slots
Pair limit plate, there are gaps between the limit plate and the field of conjugate action, and the hollow cavity or solid between limit plate and shell
The lubricating grease injection channel for injecting lubricating grease is equipped between cavity, the ingate of the lubricating grease injection channel is opened in shell
External wall, the face of gear of outlet opening face drive bevel gear or the face of gear of driven wheel of differential or face drive bevel gear and
The field of conjugate action of driven wheel of differential.
Further, the port shape for grafting impact gun rotation axis of the first sleeve is quadrangle, is turned with impact gun
The square head-shaped of moving axis is identical.
Preferably, the first sleeve and the second sleeve are magnetic force sleeve.
Beneficial effects of the present invention are as follows:
The present invention realizes that the vertical transmission of torque, the especially screw nut dismount work by two mutually perpendicular bevel gears
Tool can protrude into the lower plane of flange, solve flange lower plane due to the obstruction of distance and angle, lead to not vertically use
The problem of impact gun and reinforcing thick stick, avoid existing leakage, well in the case of the diagonal discontinuity of flange screw and high pressure
The risks such as mouthful flange is stabbed, steel ring is stabbed also reduce and prevent injury to personnel and liquid to pierce the environmentally friendly risk of leakage.
For above content of the invention can be clearer and more comprehensible, preferred embodiment is cited below particularly, and in conjunction with attached drawing, make detailed
It is described as follows.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of screw nut dismantling device in first embodiment of the invention.
Fig. 2 is the structural schematic diagram of screw nut dismantling device in fifth embodiment of the invention.
Fig. 3 is the structural schematic diagram of screw nut dismantling device in sixth embodiment of the invention.
Description of symbols:
1. first sleeve；2. drive bevel gear；3. driven wheel of differential；4. second sleeve；5. shell；6. limiting slot；7. impact gun turns
Moving axis；8. limit plate；9. lubricating grease injection channel.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this specification
Revealed content is understood other advantages and efficacy of the present invention easily.
It should be noted that in the present invention, the upper and lower, left and right in figure are considered as screw nut described in this specification
The upper and lower, left and right of dismantling device.
Description introduces exemplary embodiments of the present invention, however, the present invention can use many different forms
Implement, and be not limited to the embodiment described herein, providing these embodiments is at large and fully disclose this
Invention, and the scope of the present invention is sufficiently conveyed to person of ordinary skill in the field.For the example being illustrated in the accompanying drawings
Term in property embodiment is not limitation of the invention.In the accompanying drawings, identical cells/elements use identical attached drawing
Label.
Unless otherwise indicated, term (including scientific and technical terminology) used herein has person of ordinary skill in the field
It is common to understand meaning.Further it will be understood that with the term that usually used dictionary limits, should be understood as and its
The context of related fields has consistent meaning, and is not construed as Utopian or too formal meaning.
First embodiment
The first embodiment of the present invention is related to a kind of screw nut dismantling devices, and referring to Fig.1, it includes two vertically mutually set
Sleeve is first sleeve 1 and second sleeve 4 respectively, and the Single port of the first sleeve 1 is used for grafting impact gun rotation axis 7, in addition
Single port is fixedly connected with drive bevel gear 2, and the Single port of the second sleeve 4 is fixedly connected with driven wheel of differential 3, described from mantle
Gear 3 engages connection with the drive bevel gear 2, and the other end mouth of the second sleeve 4 is for being clamped screw nut.
The course of work of the screw nut dismantling device of present embodiment protection is as follows:
The second sleeve 4 of screw nut dismantling device is connected in screw nut to be dismounted, impact gun is held, by impact gun rotation axis 7
It is inserted into the port of the first sleeve 1 of screw nut dismantling device, impact gun is driven actively as power source by impact gun rotation axis 7
Bevel gear 2 rotates, and drive bevel gear 2 engages driven wheel of differential 3, and transmits torque to driven wheel of differential 3, and driven wheel of differential 3 will
Torque is transferred to second sleeve 4, and the rotation of second sleeve 4 dismounts screw nut to be dismounted.
Specifically, in oilfield machinery field, the common method for dismantling wellhead flange screw is that dedicated six side taps spanner,
Its engagement tool is reinforcing thick stick, but blocking due to attachmentes objects such as wellhead platform, oil jacket relief lines, personnel's operation are relatively tired
Difficulty only dismounts a flange screw used time in 90min or more, and in the case where personnel are tired out, the used time is longer, and flange screw
Diagonal discontinuity, in high pressure there are leakage rectification, wellhead flange and steel ring risks, the used time such as stab can be more
Long, there is also the environmentally friendly risks of injury to personnel and liquid thorn leakage.And screw nut dismantling device of the invention is compact-sized, not by
The obstruction of shelter can dismount the screw nut of flange undersurface, and the diagonal uniform force of flange screw, even if in high pressure feelings
Will not occur leakage under condition and the problem of wellhead flange is stabbed, steel ring is stabbed；In addition, screw nut dismantling device is matched with impact gun
It closes and uses, provide power by impact gun, alleviate the labor intensity of worker, improve work efficiency, so that wellhead flange screw
Dismounting no longer becomes the difficulty in work.
Second embodiment
Second embodiment of the present invention is related to a kind of screw nut dismantling device, and referring to Fig.1, it includes two vertically mutually set
Sleeve is first sleeve 1 and second sleeve 4 respectively, and the Single port of the first sleeve 1 is used for grafting impact gun rotation axis 7, in addition
Single port is fixedly connected with drive bevel gear 2, and the Single port of the second sleeve 4 is fixedly connected with driven wheel of differential 3, described from mantle
Gear 3 engages connection with the drive bevel gear 2, and the other end mouth of the second sleeve 4 is for being clamped screw nut.
Specifically, as shown in Fig. 2, screw nut dismantling device further includes shell 5, the drive bevel gear 2 and driven
Bevel gear 3 is in shell 5, the curved surface spherical that the shell 5 is made of two planes and an arcwall face, wherein
One plane be used for across with close the drive bevel gear 2, another plane be used for across with close the driven wheel of differential
3, the field of conjugate action of the arcwall face face drive bevel gear 2 and driven wheel of differential 3.
The course of work of the screw nut dismantling device of present embodiment protection is as follows:
The second sleeve 4 of screw nut dismantling device is connected in screw nut to be dismounted, impact gun is held, by impact gun rotation axis 7
It is inserted into the port of the first sleeve 1 of screw nut dismantling device, impact gun is driven actively as power source by impact gun rotation axis 7
Bevel gear 2 rotates, and drive bevel gear 2 engages driven wheel of differential 3, and transmits torque to driven wheel of differential 3, and driven wheel of differential 3 will
Torque is transferred to second sleeve 4, and the rotation of second sleeve 4 dismounts screw nut to be dismounted.
Present embodiment is different from the first embodiment, and present embodiment is by drive bevel gear 2 and driven wheel of differential 3
In the shell 5, the purpose of shell 5 first is that provide protection for drive bevel gear 2 and driven wheel of differential 3, avoid sundries and
Dust is fallen into；On the basis of purpose one, purpose second is that, the shell 5 of curved surface spherical can be more convenient by screw spiral shell
Cap dismantling device is used in the oil field equipment of non-perpendicular state, and the arcwall face of shell 5 reduces to be connect with oil field equipment shelter
Contacting surface product, and then be easier to enter irregular space, more spaces are provided for the dismounting of screw nut.
Third embodiment
Third embodiment of the present invention is related to a kind of screw nut dismantling device, and referring to Fig.1, it includes two vertically mutually set
Sleeve is first sleeve 1 and second sleeve 4 respectively, and the Single port of the first sleeve 1 is used for grafting impact gun rotation axis 7, in addition
Single port is fixedly connected with drive bevel gear 2, and the Single port of the second sleeve 4 is fixedly connected with driven wheel of differential 3, described from mantle
Gear 3 engages connection with the drive bevel gear 2, and the other end mouth of the second sleeve 4 is for being clamped screw nut.
Specifically, as shown in figure 3, screw nut dismantling device further includes shell 5, the first sleeve 1, active conical tooth
In shell 5, second sleeve 4 is placed in outside the shell 5 for wheel 2 and driven wheel of differential 3, and the shell 5 is cuboid
Cavity, wherein one side in any two vertical plane of cuboid shell 5 for across with closing first sleeve 1 and initiative taper
Gear 2, in addition one side for across with close the driven wheel of differential 3.
The course of work of the screw nut dismantling device of present embodiment protection is as follows:
The second sleeve 4 of screw nut dismantling device is connected in screw nut to be dismounted, impact gun is held, by impact gun rotation axis 7
It is inserted into the port of the first sleeve 1 of screw nut dismantling device, impact gun is driven actively as power source by impact gun rotation axis 7
Bevel gear 2 rotates, and drive bevel gear 2 engages driven wheel of differential 3, and transmits torque to driven wheel of differential 3, and driven wheel of differential 3 will
Torque is transferred to second sleeve 4, and the rotation of second sleeve 4 dismounts screw nut to be dismounted.
It should be noted that the structure and shape of shell 5 can have multiplicity, present embodiment is given and the second embodiment party
The different rectangle of formula, one side are because the screw nut part to be dismounted of existing oil field equipment is that plumbness/non-is hung down
Straight state, the shell 5 of rectangle can be easily accomplished the dismounting of screw nut under two states, on the other hand, regular cuboid
Shape also facilitates processing.
4th embodiment
On the basis of embodiment of above, as further optimizing, the first sleeve 1 and drive bevel gear 2 are coaxial, institute
It states second sleeve 4 and driven wheel of differential 3 is coaxial, the drive bevel gear 2 and the driven wheel of differential 3 are orthogonal.
In order to avoid the dismounting for the wobble effects screw nut that drive bevel gear 2 and driven wheel of differential 3 occur when rotated,
The position of 5 inner wall face drive bevel gear of shell, 2 tooth top and 3 tooth top of driven wheel of differential offers limit respectively in present embodiment
Slot 6, referring in particular to Fig. 2 and Fig. 3.
In order to increase the contact area of impact gun rotation axis 7 Yu 1 place port of first sleeve, first sleeve 1 is used for grafting
The port shape of impact gun rotation axis 7 is polygon, since the head of impact gun rotation axis is square toes, in order to maximumlly increase
Contact area, the preferably port shape for grafting impact gun rotation axis 7 of first sleeve 1 are quadrangle, with impact gun rotation axis 7
Square head-shaped is identical.
In addition, the port shape for being clamped screw nut of second sleeve 4 is identical as screw nut shape, specifically,
According to the size and shape of operating area screw nut, can make and the matched second sleeve 4 of its size and shape, such as
The port for being clamped screw nut of two sleeves 4 is hexagon, to dismantle the screw nut of hexagonal.
In order to catch screw nut to be dismounted securely and be connect securely with impact gun, the first sleeve 1 and institute
Stating second sleeve 4 is magnetic force sleeve.
5th embodiment
Present embodiments provide for a kind of screw nut dismantling devices, it includes two sleeves vertically mutually set, is first respectively
The Single port of sleeve 1 and second sleeve 4, the first sleeve 1 is used for grafting impact gun rotation axis 7, and other end mouth is fixedly connected
Drive bevel gear 2, the Single port of the second sleeve 4 are fixedly connected with driven wheel of differential 3, the driven wheel of differential 3 and the master
The engagement connection of dynamic bevel gear 2, the other end mouth of the second sleeve 4 is for being clamped screw nut.
Specifically, screw nut dismantling device further includes shell 5, and the drive bevel gear 2 and driven wheel of differential 3 are embedding
Loaded in shell 5, the curved surface spherical that the shell 5 is made of two planes and an arcwall face, one of plane is used
In passing through and close the drive bevel gear 2, another plane be used for across with close the driven wheel of differential 3, the arc
The field of conjugate action of face face drive bevel gear 2 and driven wheel of differential 3.
Referring to Fig. 2, in order to prevent two bevel gears in rotary course because being loosened caused by shaking, the shell of present embodiment
The position of 5 inner wall face drive bevel gear of body, 2 tooth top and 3 tooth top of driven wheel of differential offers limiting slot 6 respectively.Further,
The limit plate 8 opposite with the field of conjugate action of drive bevel gear 2 and driven wheel of differential 3 is equipped between two adjacent limiting slots 6, it is described
There are gaps between limit plate 8 and the field of conjugate action, and are equipped between the hollow cavity or solid cavity between limit plate 8 and shell 5
For injecting the lubricating grease injection channel 9 of lubricating grease, the ingate of the lubricating grease injection channel 9 is opened in 5 outer wall of shell, out
The face of gear of oral pore face drive bevel gear 2 or the face of gear of driven wheel of differential 3 or face drive bevel gear 2 and from mantle
The field of conjugate action of gear 3.
It should be strongly noted that being also possible to as shown in Fig. 2, can be hollow cavity between limit plate 8 and shell 5
Solid cavity, final purpose are to rotate the rolling that may cause by the limitation drive bevel gear 2 of limit plate 8 or driven wheel of differential 3
It is dynamic, that is to say, that there are opposite conjunction surfaces inside shell 5, it is therefore an objective to promote fixed drive bevel gear 2 and driven wheel of differential 3, prevent
Only the abrasion of shell 5 as caused by spin friction is excessive in use process.
In addition, be constantly in continuous friction since drive bevel gear 2 and driven wheel of differential 3 are in engagement process,
In order to reduce abrasion caused by friction, oxidation, corrosion etc., lubricating grease can be injected by lubricating grease injection channel 9, it is preferable that
The face of gear of outlet face drive bevel gear 2 or the face of gear of driven wheel of differential 3 of lubricating grease injection channel 9 or face master
The field of conjugate action of dynamic bevel gear 2 and driven wheel of differential 3, targetedly to lubricate, and then can to avoid, mitigate and gear delayed to lose
Effect.
Sixth embodiment
Present embodiments provide for a kind of screw nut dismantling devices, it includes two sleeves vertically mutually set, is first respectively
The Single port of sleeve 1 and second sleeve 4, the first sleeve 1 is used for grafting impact gun rotation axis 7, and other end mouth is fixedly connected
Drive bevel gear 2, the Single port of the second sleeve 4 are fixedly connected with driven wheel of differential 3, the driven wheel of differential 3 and the master
The engagement connection of dynamic bevel gear 2, the other end mouth of the second sleeve 4 is for being clamped screw nut.
Specifically, screw nut dismantling device further includes shell 5, the first sleeve 1, drive bevel gear 2 and driven
In shell 5, second sleeve 4 is placed in outside the shell 5 bevel gear 3, and the shell 5 is rectangular cavity, rectangular
Wherein one side in any two vertical plane of bodily form shell 5 for across with closing first sleeve 1 and drive bevel gear 2, separately
Outer one side be used for across with close the driven wheel of differential 3.
Referring to Fig. 3, in order to prevent two bevel gears in rotary course because being loosened caused by shaking, the shell of present embodiment
The position of 5 inner wall face drive bevel gear of body, 2 tooth top and 3 tooth top of driven wheel of differential offers limiting slot 6 respectively.Further,
The limit plate 8 opposite with the field of conjugate action of drive bevel gear 2 and driven wheel of differential 3 is equipped between two adjacent limiting slots 6,
There are gaps between the limit plate 8 and the field of conjugate action, and between the hollow cavity or solid cavity between limit plate 8 and shell 5
Equipped with the lubricating grease injection channel 9 for injecting lubricating grease, the ingate of the lubricating grease injection channel 9 is opened in outside shell 5
Wall, the face of gear of outlet opening face drive bevel gear 2 or the face of gear of driven wheel of differential 3 or face drive bevel gear 2 and from
The field of conjugate action of dynamic bevel gear 3.
It should be strongly noted that being also possible to as shown in figure 3, can be hollow cavity between limit plate 8 and shell 5
Solid cavity, final purpose are to rotate the rolling that may cause by the limitation drive bevel gear 2 of limit plate 8 or driven wheel of differential 3
It is dynamic, that is to say, that there are opposite conjunction surfaces inside shell 5, it is therefore an objective to promote fixed drive bevel gear 2 and driven wheel of differential 3, prevent
Only the abrasion of shell 5 as caused by spin friction is excessive in use process.
In addition, be constantly in continuous friction since drive bevel gear 2 and driven wheel of differential 3 are in engagement process,
In order to reduce abrasion caused by friction, oxidation, corrosion etc., lubricating grease can be injected by lubricating grease injection channel 9, it is preferable that
The face of gear of outlet face drive bevel gear 2 or the face of gear of driven wheel of differential 3 of lubricating grease injection channel 9 or face master
The field of conjugate action of dynamic bevel gear 2 and driven wheel of differential 3, targetedly to lubricate, and then can to avoid, mitigate and gear delayed to lose
Effect.
7th embodiment
Present embodiment protects a kind of assembly and disassembly methods of screw nut dismantling device: by second set of screw nut dismantling device
Cylinder 4 is connected in screw nut to be dismounted, and holds impact gun, and impact gun rotation axis 7 is inserted into the first sleeve 1 of screw nut dismantling device
Port in, impact gun as power source by impact gun rotation axis 7 drive drive bevel gear 2 rotate, drive bevel gear 2 engages driven
Bevel gear 3, and torque is transmitted to driven wheel of differential 3, driven wheel of differential 3 transfers a torque to second sleeve 4, and second sleeve 4 is revolved
Turn to dismount screw nut to be dismounted.
Further, the loosening in rotary course in order to prevent, the first sleeve 1 and the drive bevel gear 2 are one
Body formula structure, the second sleeve 4 and the driven wheel of differential 3 are an integral structure.
To sum up, the present invention realizes the vertical transmission of torque, especially the screw spiral shell by two mutually perpendicular bevel gears
Cap dismantling device can protrude into the lower plane of flange, and the fastening screw nut of firm flange lower plane solves flange lower plane
Due to the obstruction of distance and angle, the problem of leading to not vertically to use impact gun and reinforcing thick stick, avoid flange screw diagonally by
Existing leakage in the case of power is uneven and high pressure, the risks such as wellhead flange is stabbed, steel ring is stabbed, also reduce and prevent
The environmentally friendly risk of injury to personnel and liquid thorn leakage.
It will be understood by those skilled in the art that the respective embodiments described above are to realize specific embodiments of the present invention,
And in practical applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.
Claims (10)
1. a kind of screw nut dismantling device, it is characterised in that: it includes two sleeves vertically mutually set, is first sleeve respectively
(1) and second sleeve (4), the Single port of the first sleeve (1) are used for grafting impact gun rotation axis (7), and other end mouth is fixed
It connects drive bevel gear (2), the Single port of the second sleeve (4) is fixedly connected with driven wheel of differential (3), the driven wheel of differential
(3) connection is engaged with the drive bevel gear (2), the other end mouth of the second sleeve (4) is for being clamped screw nut.
2. screw nut dismantling device as described in claim 1, it is characterised in that: further include shell (5), the initiative taper
In shell (5), the shell (5) is by two planes and an arcwall face group for gear (2) and driven wheel of differential (3)
At curved surface spherical, one of plane be used for across with close the drive bevel gear (2), another plane be used for across
With the closing driven wheel of differential (3), the field of conjugate action of the arcwall face face drive bevel gear (2) and driven wheel of differential (3).
3. screw nut dismantling device as described in claim 1, it is characterised in that: further include shell (5), the first set
In shell (5), second sleeve (4) is placed in the shell for cylinder (1), drive bevel gear (2) and driven wheel of differential (3)
(5) outside, the shell (5) is rectangular cavity, and the wherein one side in any two vertical plane of cuboid shell (5) is used
In passing through and closing first sleeve (1) and drive bevel gear (2), in addition one side for across with close the driven wheel of differential
(3).
4. the screw nut dismantling device as described in claims 1 or 2 or 3, it is characterised in that: the first sleeve (1) and master
Dynamic bevel gear (2) coaxially, the second sleeve (4) and driven wheel of differential (3) coaxially, the drive bevel gear (2) and it is described from
Dynamic bevel gear (3) is orthogonal.
5. screw nut dismantling device as claimed in claim 2 or claim 3, it is characterised in that: shell (5) the inner wall face is actively
The position of bevel gear (2) tooth top and driven wheel of differential (3) tooth top offers limiting slot (6) respectively.
6. screw nut dismantling device as claimed in claim 5, it is characterised in that: two adjacent limiting slots (6) it
Between be equipped with the limit plate (8) opposite with the field of conjugate action of drive bevel gear (2) and driven wheel of differential (3), the limit plate (8) with nibble
There are gaps between conjunction face, and are equipped between the hollow cavity or solid cavity between limit plate (8) and shell (5) for injecting
The lubricating grease injection channel (9) of lubricating grease, the ingate of the lubricating grease injection channel (9) are opened in shell (5) outer wall, outlet
The face of gear of hole face drive bevel gear (2) or the face of gear of driven wheel of differential (3) or face drive bevel gear (2) and from
The field of conjugate action of dynamic bevel gear (3).
7. screw nut dismantling device as described in claim 1, it is characterised in that: the first sleeve (1) is used for grafting
The port shape of impact gun rotation axis (7) is quadrangle, identical as the square head-shaped of impact gun rotation axis (7).
8. screw nut dismantling device as described in claim 1, it is characterised in that: the first sleeve (1) and described second
Sleeve (4) is magnetic force sleeve.
9. a kind of assembly and disassembly methods of the screw nut dismantling device as described in any claim in claim 1~8, feature
It is: the second sleeve (4) of screw nut dismantling device is connected in screw nut to be dismounted, holds impact gun, impact gun is rotated
Axis (7) is inserted into the port of the first sleeve (1) of screw nut dismantling device, and impact gun passes through impact gun rotation axis as power source
(7) drive bevel gear (2) rotation is driven, drive bevel gear (2) engages driven wheel of differential (3), and transmits to driven wheel of differential (3)
Torque, driven wheel of differential (3) transfer a torque to second sleeve (4), and second sleeve (4) rotation dismounts screw nut to be dismounted.
10. the assembly and disassembly methods of screw nut dismantling device as claimed in claim 9, it is characterised in that: the first sleeve (1)
It is an integral structure with the drive bevel gear (2), the second sleeve (4) and the driven wheel of differential (3) are integral type knot
Structure.
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| CN201910639042.2A CN110355713A (en) | 2019-07-16 | 2019-07-16 | A kind of screw nut dismantling device and its assembly and disassembly methods |
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Effective date of registration: 20201028 Address after: 100007 Dongcheng District, Dongzhimen, China, North Street, No. 9 Oil Mansion, No. Applicant after: CHINA NATIONAL PETROLEUM Corp. Applicant after: CNPC Chuanqing Drilling Engineering Co.,Ltd. Address before: 710018 Shaanxi province Xi'an Weiyang Changqing Changqing prosperous Park District Building Room 1207 Applicant before: CHANGQING DOWNHOLE TECHNOLOGY OPERATION COMPANY OF CNPC CHUANQING DRILLING ENGINEERING Co.,Ltd. Applicant before: CNPC Chuanqing Drilling Engineering Co.,Ltd. |
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