CN104632183B - Automatic alignment controller of hydraulic power tongs - Google Patents
Automatic alignment controller of hydraulic power tongs Download PDFInfo
- Publication number
- CN104632183B CN104632183B CN201310551988.6A CN201310551988A CN104632183B CN 104632183 B CN104632183 B CN 104632183B CN 201310551988 A CN201310551988 A CN 201310551988A CN 104632183 B CN104632183 B CN 104632183B
- Authority
- CN
- China
- Prior art keywords
- start pin
- hydraulic power
- oil
- power tongs
- hydraulic
- 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.)
- Active
Links
- 210000000080 chela (arthropods) Anatomy 0.000 claims description 21
- 125000006850 spacer group Chemical group 0.000 claims description 13
- 150000001875 compounds Chemical class 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims 1
- 239000003208 petroleum Substances 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 38
- 238000005516 engineering process Methods 0.000 description 5
- 238000005553 drilling Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/16—Connecting or disconnecting pipe couplings or joints
- E21B19/165—Control or monitoring arrangements therefor
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Braking Arrangements (AREA)
- Actuator (AREA)
Abstract
An automatic alignment controller of a hydraulic power tong belongs to the technical field of ground tool equipment of petroleum engineering. The hydraulic control valve assembly mainly comprises a valve box body, positioning seats, a starting pin elastic piece, a piston elastic piece and an adjustable bolt, wherein a front through long and round starting pin cavity is arranged in the center of the rear part of the cuboid valve box body, and 2 positioning seat internal threads and oil inlets or oil outlets are respectively arranged on the left side and the right side of the starting pin cavity; the bottom of the valve box body is provided with a bracket internal thread; the left end and the right end of a starting pin cavity in the valve box body are respectively provided with a transverse circular piston cavity and a piston cavity internal thread, so that the automatic alignment controller for the clamp heads of the main clamp and the back clamp of the hydraulic power clamp to be quickly aligned with the opening can be realized, and manual operation is replaced.
Description
Technical field
The present invention relates to a kind of automatic aligning controller of hydraulic power tongs, belong to the ground instrument equipment skill of petroleum works
Art field.
Background technology
Hydraulic power tongs be in petroleum system drilling well, underground work on unload the specific purpose tool of drilling rod, sucker rod, oil pipe, be
Improve operating worker working condition, the important tool for ensureing construction operation quality, realizing well head operation machinery.Hydraulic power tongs
Mainly there is main clamper body（Mainly include binding clip, hydraulic motor, decelerator, reversal valve, binding clip clamp system）, actuating element（By two
Drag link mechanism composition is covered, main pincers is manipulated and resets and thread screw, and manipulate two grades of gear levers of main pincers）, suspended portion（Using hanging
Core structure hangs up pincers）, back-up tong（Tubing string below the tight position of the main clamp of clamping, it is anti-twisted during thread screw to overcome
Square）, power set（Power source, including oil pump, overflow valve, pipeline, joint etc. are provided for Power Tong）Composition.Hydraulic power tongs is
Power is controlled and transmitted by hydraulic system, makes pincers through two grades of deceleration outputting two rotating speeds and moment of torsion, then by clamp system
Tooth is clamped and rotates tubing string, and emptying pipe screw thread is realized under the cooperation of back-up tong.Particularly screwing operation：In main pincers and back-up tong
In the state of binding clip aligned openings, knob will be resetted respectively remove and buckle direction upwards, and push Power Tong to tubing string, manipulate and change manually
Changing hydraulic motor pressure oil flow direction to valve promotes main pincers to be rotated along upper direction of buckleing, and button is finished in progress, and reversible control is changed manually
Make main pincers reversion to valve, then Power Tong is withdrawn tubing string, that is, complete once upper spiral shell by main pincers, back-up tong binding clip difference aligned openings
Line is operated.Specifically unload screwing operation：In the state of main pincers and back-up tong binding clip aligned openings, knob will be resetted respectively and is removed to shackle
Direction, and push Power Tong to tubing string, manipulate hand-operated direction valve and change the main pincers of hydraulic motor pressure oil flow direction promotion along shackle side
To rotation, carry out shackle and finish, reversible control hand-operated direction valve makes main pincers reversion, main pincers, back-up tong binding clip distinguish aligned openings, so
Power Tong is withdrawn into tubing string afterwards, that is, completes once to unload screwing operation.Two kinds are the problem of operating shared：Main pincers, back-up tong binding clip pair
Necessary link together, rotary distance, positive-angle is all needed artificial range estimation, calculate, judge, manually handle, defective vision, illumination
It is advanced or delayed manually that not enough, calculating judges that difference can all make, and causes alignment to repeat alignment operation again after failing, influences
Speed of application, increases staff labor intensity.The new problem faced at present also has：PetroChina Company Ltd. subordinate
The science and technology project verification of North China Oilfield company develop the unattended system of underground work lower oil tube well head, unload on long-range hydraulic control Power Tong
Screw thread is the important component in the operating system, and whether can be realized by certain device it is main pincers and back-up tong it is automatic
Can contraposition just into being finally completed one of unattended key technology of well head.
The content of the invention
In order to overcome the deficiencies in the prior art, the present invention provides a kind of automatic aligning controller of hydraulic power tongs, can be with
Main pincers, the automatic aligning controller of back-up tong binding clip quick alignment opening of hydraulic power tongs are realized, instead of artificial operation, reduction person
Work labor intensity, improves speed of application, and for remote control hydraulic power tongs and ultimately form underground work lower oil tube well head
Unattended new technology provides technical support.
The automatic aligning controller of a kind of hydraulic power tongs, mainly by hydraulic control valve assembly and contraposition arresting disc, pilot operated valve device branch
Frame, brake disc heightening frame composition, it is characterised in that：The contraposition arresting disc of arc is arranged on by parallel increase of brake disc heightening frame
The top of the brake disc of hydraulic power tongs, rectangular hydraulic control valve assembly is hung by hydraulic control valve support installed in hydraulic power tongs
Hang between cylinder and contraposition arresting disc.
Hydraulic control valve assembly it is main by valve housing, positioning seat, start pin, start pin elastic component, piston, piston elastic component, can
Adjust the composition such as bolt.
The valve housing posterior center of wherein cuboid has insertion forward a, oval start pin chamber, and start pin chamber or so is each
There are individual positioning seat internal thread and oil inlet or oil-out；Support internal thread is arranged at valve housing bottom；Start pin chamber is left inside valve housing
Respectively there are the horizontal, plunger shaft of circle and plunger shaft internal thread in right two ends, and start pin chamber or so also has longitudinal oil duct, has horizontal stroke up and down
To oil duct, the diagonal UNICOM's oil-out of one jiao of UNICOM's oil inlet of longitudinal oil duct and horizontal oil way cross.
There is screwed hole corresponding with positioning seat internal thread rectangular positioning seat corner, and middle part has is justified by start pin afterbody
Have to be provided with above and below circular tube shaped boss, boss outside the through hole of cylinder, through hole and can put the concave-shaped openings of spacer pin.
Start pin main body is reducing cylinder, and top front is that one side of something is that smooth ramp one side of something is that the recessed inclined-plane in right angle is straight
Angle head, postmedian right angle undergauge, afterbody have vertical through hole to put spacer pin.
The top land of cylinder is to have oily recessed between arc, each mounting O-shaped seal in two ends, the O-shaped seal of twice
Groove.
Positioning seat is arranged on valve housing rear portion by positioning seat screw；Start pin afterbody is inserted in start pin elastic component, afterbody
Sequentially pass through start pin chamber, positioning seat from front to back, by spacer pin realize position, spacer pin can positioning seat concave-shaped openings
Interior to slide, the inclined-plane right-angle head at the top of start pin is under the control of positioning seat and start pin elastic component in the external limited retraction of clack box
Or it is exposed；Top land enters plunger shaft from outside to inside, is subsequently filled into piston elastic component, plunger shaft internal thread and installs adjustable spiral shell
Bolt, top land contact start pin front portion cylinder, piston has under adjustable bolt and the control of piston elastic component in plunger shaft
Limit is retreated.
Contraposition arresting disc is expanding on the basis of the former arcuate brake disk size of hydraulic power tongs, except with dynamic with hydraulic pressure
Outside the corresponding bolt hole of the former arcuate brake disk of power pincers, compound knob hole, start pin can be accommodated by being also provided with beyond compound knob hole
Top bevel right-angle head, rectangle stop notch.
The chassis of brake disc heightening frame is identical with taking over a business shape, there is bolt corresponding with the former arcuate brake disk of hydraulic power tongs
Hole, compound knob hole, hydraulic power tongs brake disc, top connection contraposition arresting disc are connected by bolt bottom.
Pilot operated valve device frame upper has screw corresponding with the support internal thread of valve housing bottom, is realized by bolt and valve housing
The connection of bottom.
The feed line of hydraulic control valve assembly, flow line be connected to hydraulic power tongs reversal valve and hydraulic motor it
Between cross oil-piping on.
The working condition of upper emptying pipe screw thread is adjusted by the commutation of start pin top bevel right-angle head.
Sketching the operation principle of the automatic aligning controller of hydraulic power tongs helps to understand the present invention.
Under normal condition, the piston of hydraulic control valve assembly closes the oil circuit from oil inlet to oil-out, make hydraulic power tongs according to
The old trend that hydraulic motor is arrived by reversal valve control pressure oil.Start pin is overhanging in the presence of piston elastic component, and contraposition stops
Inclined-plane right-angle head of the outer rim of Moving plate along start pin forward rotates, and start pin is squeezed shrinks in start pin intracavitary, even in work
Enter stop notch in the presence of plug elastic component, chamfering inclined-plane can also pass through it.During counter-rotating, the inclined-plane of start pin
Right-angle head enters stop notch, and right-angle head, which is produced, to be stopped and the transverse shifting under the promotion of stop notch, start pin front portion cylinder
At the top of body extrusion piston, piston bounce back in plunger shaft, when oil groove is moved to longitudinal oil duct position excessively, from oil inlet to fuel-displaced
The oil circuit of mouth is got through, and pressure oil short circuit is return, and hydraulic motor be stopped because cannot get fuel feeding, and now start pin, stop
Recess, main pincers and back-up tong binding clip opening are just aligned on a center line.
Beneficial effects of the present invention：A kind of petroleum system drilling well is provided, unloaded on underground work onsite application hydraulic power tongs
When drilling rod, sucker rod, oil pipe, it is possible to achieve the main pincers of hydraulic power tongs, the automatic aligning control of back-up tong binding clip quick alignment opening
Device processed, instead of artificial operation, reduces staff labor intensity, improves speed of application, and be remote control hydraulic power tongs and final
Form underground work lower oil tube well head unattended new technology and technical support is provided.Make simple, beneficial to popularization.
Brief description of the drawings
When considered in conjunction with the accompanying drawings, by referring to following detailed description, can more completely more fully understand the present invention with
And the adjoint advantage of many of which is easily learnt, but accompanying drawing described herein is used for providing a further understanding of the present invention,
The part of the present invention is constituted, schematic description and description of the invention is used to explain the present invention, do not constituted to this hair
Bright improper restriction, such as figure are wherein：
Fig. 1 is the top view of the automatic aligning controller composition of hydraulic power tongs of the present invention；
Fig. 2 is pilot operated valve device assembly structure top cross-sectional view in the present invention；
Fig. 3 is that pilot operated valve device assembly structure faces diagrammatic cross-section in the present invention；
Fig. 4 is contraposition stop dish structure schematic top plan view in the present invention；
Fig. 5 is pilot operated valve device supporting structure schematic top plan view in the present invention；
Fig. 6 is brake disc height increasing frame structure schematic elevation view in the present invention；
Fig. 7 is brake disc height increasing frame structure left view diagrammatic cross-section in the present invention.
In figure, 1. hydraulic control valve assemblies, 2. valve housings, 3. plunger shafts, 4. oil inlets, 5. positioning seat internal threads, 6. positioning seats
Screw, 7. start pin chambers, 8. positioning seats, 9. start pins, 10 spacer pins, 11. start pin elastic components, 12. oil-outs, 13. pistons,
14. excessively oily groove, 15.O types seal, 17. plunger shaft internal threads, 18. adjustable bolts, 19. support internal threads, 20. longitudinal oils
Road, 21. horizontal oil ducts, 22. contraposition arresting discs, 23. bolts hole, 24. reset knob hole, 25 stop notch, 26. pilot operated valve device branch
Frame, 27. brake disc heightening frames.
The present invention is further described with reference to the accompanying drawings and examples.
Embodiment
Obviously, those skilled in the art belong to the guarantor of the present invention based on many modifications and variations that spirit of the invention is done
Protect scope.
Embodiment 1：As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7,
Main to be made up of hydraulic control valve assembly 1 and contraposition arresting disc 22, hydraulic control valve support 26, brake disc heightening frame 27, it is special
Levy and be：The contraposition arresting disc 22 of arc increases the brake disc installed in hydraulic power tongs by the way that brake disc heightening frame 27 is parallel
Top, rectangular hydraulic control valve assembly 1 is arranged on hydraulic power tongs hung suspending barrel and contraposition arresting disc by hydraulic control valve support 26
Between 22.
Hydraulic control valve assembly 1 is main by valve housing 2, positioning seat 8, start pin 9, start pin elastic component 11, piston 13, piston bullet
Property the composition such as part 16, adjustable bolt 18.
The posterior center of valve housing 2 of wherein cuboid has insertion forward, oval start pin chamber 7, start pin chamber 7 or so
Respectively there are 2 positioning seat internal threads 5 and oil inlet 4 or oil-out 12；Support internal thread 19 is arranged at the bottom of valve housing 2；Inside valve housing 2
Respectively there are the horizontal, plunger shaft 3 of circle and plunger shaft internal thread 17 in the left and right ends of start pin chamber 7, and start pin chamber 7 or so also has vertical
To oil duct 20, there are horizontal oil duct 21, the diagonal UNICOM of one jiao of UNICOM's oil inlet 4 that longitudinal oil duct 20 intersects with horizontal oil duct 21 up and down
Oil-out 12.
Rectangular 8 four jiaos of positioning seat have with the corresponding screwed hole of positioning seat internal thread 5, middle part has by the tail of start pin 9
Have to be provided with above and below circular tube shaped boss, boss outside the through hole of portion's cylinder, through hole and can put the concave-shaped openings of spacer pin 10.
The main body of start pin 9 is reducing cylinder, and top front is that one side of something is that smooth ramp one side of something is the recessed inclined-plane in right angle
Right-angle head, postmedian right angle undergauge, afterbody have vertical through hole to put spacer pin 10.
The top of piston 13 of cylinder is to have between arc, each mounting O-shaped seal 15 in two ends, the O-shaped seal 15 of twice
Cross oily groove 14.
Positioning seat 8 is arranged on the rear portion of valve housing 2 by positioning seat screw 6；The afterbody of start pin 9 is inserted in start pin elastic component
11, afterbody sequentially passes through start pin chamber 7, positioning seat 8 from front to back, is realized and positioned by spacer pin 10, and spacer pin 10 can be fixed
Slided in the concave-shaped openings of position seat 8, control of the inclined-plane right-angle head at the top of start pin 9 in positioning seat 8 and start pin elastic component 11
Under the limited retraction or exposed outside the valve housing 2；The top of piston 13 enters plunger shaft 3 from outside to inside, is subsequently filled into piston elastic component
16, adjustable bolt 18 is installed in plunger shaft internal thread 17, the anterior cylinder of 13 top contact start pin of piston 9, piston 13 is can
Adjust bolt 18 and piston elastic component 16 control under in plunger shaft 3 limited advance and retreat.
Contraposition arresting disc 22 is expanding on the basis of the former arcuate brake disk size of hydraulic power tongs, except having and hydraulic pressure
Outside the corresponding bolt hole 23 of Power Tong original arcuate brake disk, compound knob hole 24, being also provided with beyond compound knob hole 24 to hold
Receive the top bevel right-angle head of start pin 9, rectangle stop notch 25.
The chassis of brake disc heightening frame 27 is identical with taking over a business shape, there is spiral shell corresponding with the former arcuate brake disk of hydraulic power tongs
Keyhole 23, compound knob hole 24, hydraulic power tongs brake disc, top connection contraposition arresting disc 22 are connected by bolt bottom.
The corresponding screw of support internal thread 19 with the bottom of valve housing 2 is arranged at the top of hydraulic control valve support 26, by bolt realize with
The connection of the bottom of valve housing 2.
The feed line of hydraulic control valve assembly 1, flow line are connected to the reversal valve and hydraulic motor of hydraulic power tongs
Between cross oil-piping on, under normal condition, the piston 13 of hydraulic control valve assembly 1 closes the oil circuit from oil inlet 4 to oil-out 12,
Hydraulic power tongs is remained unchanged and the trend of hydraulic motor is arrived by reversal valve control pressure oil.Start pin 9 is in piston elastic component 16
It is overhanging under effect, align inclined-plane right-angle head of the outer rim of arresting disc 22 along start pin 9 and forward rotate, start pin 9, which is squeezed, to be opened
The dynamic pin contract of chamber 7, enters stop notch 25, chamfering inclined-plane can also be such that it smoothly leads in the presence of piston elastic component 16
Cross.During counter-rotating, the inclined-plane right-angle head of start pin 9 enters stop notch 25, and right-angle head, which is produced, to be stopped and in stop notch 25
Promotion under transverse shifting, the anterior top of cylinder extrusion piston 13 of start pin 9, piston 13 bounces back in plunger shaft 3, excessively oily recessed
When groove 14 is moved to longitudinal 20 position of oil duct, the oil circuit from oil inlet 4 to oil-out 12 is got through, and pressure oil short circuit is return, hydraulic pressure
Motor is stopped because cannot get fuel feeding, and now start pin 9, stop notch 25, main pincers are just right with back-up tong binding clip opening
Together on a center line.
As described above, being explained to embodiments of the invention, as long as but essentially without this hair of disengaging
Bright inventive point and effect can have many deformations, and this will be readily apparent to persons skilled in the art.Therefore, this
The variation of sample is also integrally incorporated within protection scope of the present invention.
Claims (5)
1. the automatic aligning controller of hydraulic power tongs, mainly by hydraulic control valve assembly and contraposition arresting disc, hydraulic control valve support, braking
Disk heightening frame is constituted, it is characterised in that：The contraposition arresting disc of arc increases dynamic installed in hydraulic pressure by the way that brake disc heightening frame is parallel
Power pincers brake disc top, rectangular hydraulic control valve assembly by hydraulic control valve support be arranged on hydraulic power tongs hung suspending barrel with
Between contraposition arresting disc；Hydraulic control valve assembly is main by valve housing, positioning seat, start pin, start pin elastic component, piston, piston bullet
Property part, adjustable bolt composition；The valve housing posterior center of cuboid has insertion forward, oval start pin chamber, start pin chamber
The left side, which has on the right of 2 positioning seat internal threads, start pin chamber, 2 positioning seat internal threads, and there is 1 oil inlet on the start pin chamber left side,
There is 1 oil-out on the right of start pin chamber；Support internal thread is arranged at valve housing bottom；There is start pin chamber left and right ends inside valve housing
Horizontal, circular plunger shaft and plunger shaft internal thread, start pin chamber or so also have longitudinal oil duct, have horizontal oil duct up and down, indulge
To the diagonal UNICOM's oil-out of one jiao of UNICOM's oil inlet of oil duct and horizontal oil way cross；Rectangular positioning seat corner has and positioned
The corresponding screwed hole of seat internal thread, middle part, which has, circular tube shaped boss, boss outside the through hole by start pin afterbody cylinder, through hole
The concave-shaped openings of spacer pin can be put by being provided with along the vertical direction；
The top land of cylinder is to have oily groove between arc, each mounting O-shaped seal in two ends, the O-shaped seal of twice；
Positioning seat is arranged on valve housing rear portion by positioning seat screw；Start pin afterbody is inserted in start pin elastic component, and afterbody is by preceding
Start pin chamber, positioning seat are sequentially passed through after, is realized and positioned by spacer pin, spacer pin can be slided in the concave-shaped openings of positioning seat
Dynamic, the inclined-plane right-angle head at the top of start pin is under the control of positioning seat and start pin elastic component in clack box external limited retraction or outer
Dew；Top land enters plunger shaft from outside to inside, is subsequently filled into piston elastic component, plunger shaft internal thread and installs adjustable bolt,
Top land contact start pin front portion cylinder, piston adjustable bolt and piston elastic component control under in plunger shaft it is limited enter
Move back,
Start pin main body is reducing cylinder, and top front is that one side of something is that smooth ramp one side of something is the recessed inclined-plane right angle in right angle
Head, postmedian right angle undergauge, afterbody have vertical through hole to put spacer pin.
2. the automatic aligning controller of hydraulic power tongs according to claim 1, it is characterized in that：It is in liquid to align arresting disc
It is expanding on the basis of the former arcuate brake disk size of pressure power pincers, except with spiral shell corresponding with the former arcuate brake disk of hydraulic power tongs
Outside keyhole, compound knob hole, start pin top bevel right-angle head, rectangle stop can be accommodated by being also provided with beyond compound knob hole
Dynamic recess.
3. the automatic aligning controller of hydraulic power tongs according to claim 1, it is characterized in that：The bottom of brake disc heightening frame
Disk is identical with taking over a business shape, has bolt hole corresponding with the former arcuate brake disk of hydraulic power tongs, compound knob hole, by under bolt
Portion connects hydraulic power tongs brake disc, top connection contraposition arresting disc.
4. the automatic aligning controller of hydraulic power tongs according to claim 1, it is characterized in that：Pilot operated valve device frame upper has
Screw corresponding with the support internal thread of valve housing bottom, the connection with valve housing bottom is realized by bolt.
5. the automatic aligning controller of hydraulic power tongs according to claim 1, it is characterized in that：The oil-feed of hydraulic control valve assembly
Pipeline, flow line are connected to crossing on oil-piping between the reversal valve of hydraulic power tongs and hydraulic motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310551988.6A CN104632183B (en) | 2013-11-08 | 2013-11-08 | Automatic alignment controller of hydraulic power tongs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310551988.6A CN104632183B (en) | 2013-11-08 | 2013-11-08 | Automatic alignment controller of hydraulic power tongs |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104632183A CN104632183A (en) | 2015-05-20 |
| CN104632183B true CN104632183B (en) | 2017-08-04 |
Family
ID=53211362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310551988.6A Active CN104632183B (en) | 2013-11-08 | 2013-11-08 | Automatic alignment controller of hydraulic power tongs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104632183B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422023B (en) * | 2015-12-08 | 2017-08-04 | 盐城特达钻采设备有限公司 | One kind can long-range hydraulic control open hydraulic power tongs |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2352667A (en) * | 1999-07-29 | 2001-02-07 | Weatherford Lamb | Hydraulic Power Tongs |
| CN201273157Y (en) * | 2008-09-27 | 2009-07-15 | 刘承建 | Slewing displacement apparatus of power pliers |
| CN201763280U (en) * | 2010-08-23 | 2011-03-16 | 四川宏华石油设备有限公司 | Power tongs |
| CN201902182U (en) * | 2010-12-25 | 2011-07-20 | 海城市石油机械制造有限公司 | Notch aligning device for hydraulic power tongs |
| CN102278083A (en) * | 2011-07-06 | 2011-12-14 | 抚州市临川白勇海洋工程有限公司 | Intelligent casing tongs with back-up tongs |
| CN202228015U (en) * | 2011-08-11 | 2012-05-23 | 齐齐哈尔振华石油机械有限责任公司 | A hydraulic drive remote control track motion type hydraulic oil pipe wrench |
| CN202731790U (en) * | 2012-07-31 | 2013-02-13 | 盐城特达钻采设备有限公司 | Automatic opposite opening device of opening power tongs for oil field pipe |
| CN203626800U (en) * | 2013-11-08 | 2014-06-04 | 中国石油天然气股份有限公司 | Automatic alignment controller of hydraulic power tongs |
-
2013
- 2013-11-08 CN CN201310551988.6A patent/CN104632183B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2352667A (en) * | 1999-07-29 | 2001-02-07 | Weatherford Lamb | Hydraulic Power Tongs |
| CN201273157Y (en) * | 2008-09-27 | 2009-07-15 | 刘承建 | Slewing displacement apparatus of power pliers |
| CN201763280U (en) * | 2010-08-23 | 2011-03-16 | 四川宏华石油设备有限公司 | Power tongs |
| CN201902182U (en) * | 2010-12-25 | 2011-07-20 | 海城市石油机械制造有限公司 | Notch aligning device for hydraulic power tongs |
| CN102278083A (en) * | 2011-07-06 | 2011-12-14 | 抚州市临川白勇海洋工程有限公司 | Intelligent casing tongs with back-up tongs |
| CN202228015U (en) * | 2011-08-11 | 2012-05-23 | 齐齐哈尔振华石油机械有限责任公司 | A hydraulic drive remote control track motion type hydraulic oil pipe wrench |
| CN202731790U (en) * | 2012-07-31 | 2013-02-13 | 盐城特达钻采设备有限公司 | Automatic opposite opening device of opening power tongs for oil field pipe |
| CN203626800U (en) * | 2013-11-08 | 2014-06-04 | 中国石油天然气股份有限公司 | Automatic alignment controller of hydraulic power tongs |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104632183A (en) | 2015-05-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104074476B (en) | A kind of mechanization well-repairing well head oil pipe centering devices and methods therefor | |
| CN103753082B (en) | Welding of tubes centering and gas shield device | |
| CN203626800U (en) | Automatic alignment controller of hydraulic power tongs | |
| CN205926708U (en) | Full auto pipe -bend machine of fluid pressure type | |
| CN104632183B (en) | Automatic alignment controller of hydraulic power tongs | |
| CN102220863A (en) | Valve-controlled automatic confluence hydraulic system for horizontal directional drilling machine | |
| CN205383133U (en) | Adjustable stroke pneumatic cylinder | |
| CN105364664A (en) | Convenient-to-mount edging device applied to glass production line | |
| CN104879079B (en) | Production wellhead gate valve replacing device operated under pressure and gate valve replacing options with pressure | |
| CN205558866U (en) | Open flow device that oil well is adjustable | |
| CN105546193A (en) | Automation reforming method for hand-operated reversing valve | |
| CN205154066U (en) | Automatic hanging and clamping device | |
| CN201738854U (en) | Casing patching device | |
| CN103511792B (en) | There is the high pressure perforator of external pressure balance cylinder | |
| CN201354604Y (en) | Hydraulic chuck | |
| CN204383641U (en) | The seat pipe height adjustment control mechanism of bicycle | |
| CN204109711U (en) | A kind of independent trailer reversing automatic locking apparatus | |
| CN204420423U (en) | Y-type three way type | |
| CN206982515U (en) | Width adjusting device for tractor assembly line supporting mechanism | |
| CN202228015U (en) | A hydraulic drive remote control track motion type hydraulic oil pipe wrench | |
| CN202964224U (en) | Tool changing arm for chain-type tool changer | |
| CN208289756U (en) | A kind of effective pedestal of fixed laser | |
| CN204893864U (en) | Supplementary valving of opening | |
| CN219061596U (en) | Pile foundation drilling device for construction | |
| CN205380613U (en) | A manual operation instrument for trough steel pipe in -cut connection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |