CN106761483B - Power Tong combines slips - Google Patents
Power Tong combines slips Download PDFInfo
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- CN106761483B CN106761483B CN201611215304.5A CN201611215304A CN106761483B CN 106761483 B CN106761483 B CN 106761483B CN 201611215304 A CN201611215304 A CN 201611215304A CN 106761483 B CN106761483 B CN 106761483B
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- 238000005553 drilling Methods 0.000 abstract description 73
- 238000010276 construction Methods 0.000 abstract description 7
- 241000282472 Canis lupus familiaris Species 0.000 description 46
- 230000000875 corresponding effect Effects 0.000 description 12
- 125000004122 cyclic group Chemical group 0.000 description 12
- 230000007246 mechanism Effects 0.000 description 11
- 238000009434 installation Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 241001074085 Scophthalmus aquosus Species 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004064 recycling 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
- E21B19/10—Slips; Spiders ; Catching devices
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
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- Environmental & Geological Engineering (AREA)
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- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The present invention provides a kind of Power Tong combination slips comprising：Slips body afterwards is articulated with the Power Tong, recessed second groove of front face of the rear slips body；Preceding slips body, it is located at the front of the rear slips body, the front face of the preceding slips body is installed with the slip dog of multiple energy sandwiched drilling rods, recessed first groove of rear surface of the preceding slips body, second groove of the first groove of the preceding slips body and the rear slips body, which mutually blocks, to be set, and the preceding slips physical efficiency dismounting is connected with the rear slips body.The reliable and effective holding drill pipe of energy of the invention, realizes the quick-replaceable of slips, simple in structure, and easy to operate, construction efficiency is high.
Description
Technical field
The present invention relates to the drilling equipment field of petroleum industry, the Power Tong of specifically a kind of continuous cyclic drilling combines
Slips.
Background technology
Continuous cyclic drilling realizes stable equivalent circulating density and continual landwaste row during entire drilling
Go out, improves borehole condition and drilling safety comprehensively.The technology is particularly suitable for the safety under narrow drilling fluid density window bar part and bores
Well.In addition, in extended reach well, horizontal well, high pressure-temperature well, underbalance well, which can ensure the borehole wall not to the maximum extent
It collapses, avoids bit freezing, reduce drilling failure, improve rate of penetration.
Power Tong is the critical component of continuous circulation drilling device host, mainly by base assembly, clamping mechanism, propelled rotating-screw device
Structure and four part of upper screw-off mechanism composition, wherein slips is the component of clamping mechanism, (single in continuous cyclic drilling connecting and disconnecting drill rod
Root or column) when for clamping drilling rod, then utilize cupboard button device driving drilling rod to rotate spinner, screw-off mechanism implementation in recyclings
Upper shackle operation.
Continuous cyclic drilling Power Tong is different from conventional drilling Power Tong, and continuous cyclic drilling Power Tong can only press from both sides
Drilling rod ontology is held, and must be strictly controlled clamping force when Power Tong clamps drilling rod, it is ensured that after Power Tong slips clamps drilling rod, both
It cannot skid, Flat drill pipe can not be squeezed, also require slips as small as possible to the impression of drilling rod, cannot bite drilling rod, that is, need card
Watt answered with the effective areas of drilling rod body contacts as big as possible, clamping should be more uniformly reliable；Meanwhile continuous cyclic drilling process
Shackle frequent operation on middle Power Tong, slips is easy to wear to be needed to be replaced frequently, when need to change drilling rod specification or replace vulnerable part card
Watt-hour should be convenient for live convenient replacing, in order to avoid influencing construction efficiency, that is, slips be needed to dismantle simple installation；As it can be seen that continuous cycle
The slips of drilling well Power Tong has higher requirement than the slips of conventional drilling Power Tong, still, in the prior art dynamic
Power clamps slips when for continuous cyclic drilling Power Tong, can only dismantle dental lamina or by slips integral demounting, cannot achieve
The quick-replaceable at scene can not also ensure reliable effective holding drill pipe.
In view of the above-mentioned problems of the prior art, the present inventor combines the design and use of related manufacturing field for many years
Experience provides a kind of Power Tong combination slips, to overcome drawbacks described above.
Invention content
The object of the present invention is to provide a kind of Power Tongs to combine slips, and the reliable and effective holding drill pipe of energy realizes slips
Quick-replaceable, simple in structure, easy to operate, construction efficiency is high.
Following technical proposal can be used to realize in the above-mentioned purpose of the present invention：
The present invention provides a kind of Power Tong combination slips comprising：Slips body afterwards is articulated with the Power Tong, described
Recessed second groove of the front face of slips body afterwards；Preceding slips body is located at the front of the rear slips body, the preceding slips body
Front face is installed with the slip dog of multiple energy sandwiched drilling rods, recessed first groove of rear surface of the preceding slips body, before described
First groove of slips body and it is described after the second groove of slips body mutually block and sets, the preceding slips physical efficiency dismantle with it is described after
Slips body is connected；Wherein, first groove runs through the two side walls face of the preceding slips body, and the first of the preceding slips body is recessed
The upper and lower ends of slot are respectively formed the portion of protruding above and lower protrusion, and the upper wall surface and lower wall surface of the preceding slips body are in plane,
Fillet surface is respectively formed between the upper wall surface and lower wall surface and the front face of the preceding slips body, second groove is through described
The upper wall surface and lower wall surface of slips body afterwards, left side, rear side and the right side of the second groove of the rear slips body are respectively formed left side
Plate, bottom plate and right plate；The groove bottom of second groove and the groove bottom of first groove fit, second groove
Left trough wall surface and the fitting corresponding with the preceding two side walls face of slips body respectively of right trough wall surface, it is described after slips body bottom plate
Upper surface and lower face respectively it is corresponding with the upper trough wall surface of first groove and lower trough wall surface fitting.
In a preferred embodiment, the portion of protruding above of the preceding slips body opens up multiple upper countersunk head threaded holes, after described
The upper surface of the bottom plate of slips body opens up the upper screwed hole of multiple connections corresponding with the upper countersunk head threaded hole, the preceding slips body
It is connected with multiple sunk screws of the upper screwed hole by being arranged in the upper countersunk head threaded hole with the rear slips body.
In a preferred embodiment, the lower protrusion of the preceding slips body opens up multiple sinking head threads hole, after described
The lower face of the bottom plate of slips body opens up the lower threaded hole of multiple connections corresponding with sinking head thread hole, the preceding slips body
It is connected with multiple sunk screws of the lower threaded hole by being arranged in sinking head thread hole with the rear slips body.
In a preferred embodiment, the portion of protruding above of the preceding slips body opens up multiple upper countersunk head threaded holes, before described
The lower protrusion of slips body open up it is multiple with the upper countersunk head threaded hole corresponding sinking head thread hole, it is described after slips body bottom
Through the tapped through hole for being equipped with multiple connections correspondings with the upper countersunk head threaded hole, the preceding slips body and the slips afterwards on plate
Body is by being arranged in the upper countersunk head threaded hole, the tapped through hole and multiple sunk screw phases in sinking head thread hole
Even.
In a preferred embodiment, the upper countersunk head threaded hole is two or three.
In a preferred embodiment, sinking head thread hole is two or three.
In a preferred embodiment, the longitudinal section of first groove takes the shape of the letter U.
In a preferred embodiment, the U-shaped profile of second groove.
The characteristics of Power Tong combination slips of the present invention and advantage are：
1, the present invention, which is mutually blocked by preceding slips body with rear slips body, sets, and is fixedly connected by fixing piece, fast to realize
Speed replaces the preceding slips body for being embedded with slip dog, simple in structure, simple and practicable, specifically, recessed by the first groove and second
Slot, which mutually blocks, to be set, and dismountable connection of preceding slips body and rear slips body is realized by sunk screw, convenient in slip dog
Appearance wears or occurs wearing with the preceding slips body that drilling rod may contact or need replacing slips because drilling rod specification changes
When dental lamina and preceding slips body, quickly the preceding slips body for being embedded slip dog can be removed at the construction field (site), realize slips
Quick-replaceable at the scene, dismantles simple installation, and construction efficiency is high.
2, the present invention makes the preceding slips body for being embedded with slip dog by pre-installing multiple slip dogs on preceding slips body
The specification of structure snd size and drilling rod is adapted, and is being made up a joint or column or during making a trip with realizing, is being increased slip insert
Effective contact area of plate and drilling rod, keeps the clamping to drilling rod uniformly reliable, it is ensured that after clamping drilling rod, combination slips and drilling rod it
Between do not produce relative sliding, do not damage drilling rod, overall mechanical properties are good, and overall structure is reliable and stable.
3, rear slips body is positioned and secured on Power Tong by the present invention, will be preinstalled with the preceding slips body of multiple slip dogs
Card, which is set, to be fixed on rear slips body, ensure that the location and installation of combination slips, when avoiding replacing preceding slips body and/or slip dog
Reposition, with multiple slip dogs of slips body before guarantee can uniform holding drill pipe always, so that slip dog is acted on
The clamping force of drilling rod is uniform, and clamping is reliable and stable.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the structural schematic diagram that Power Tong of the present invention combines that slips is applied to Power Tong；
Fig. 2 is the dimensional structure diagram that Power Tong of the present invention combines slips；
Fig. 3 is the dimensional structure diagram for the preceding slips body that Power Tong of the present invention combines slips；
Fig. 4 is the dimensional structure diagram for the rear slips body that Power Tong of the present invention combines slips.
Drawing reference numeral explanation：
Slips body before 1,11 front faces, 12 rear surfaces, 13 upper wall surfaces, 14 lower wall surfaces, 15 side wall surfaces, 16 fillet surfaces, 17
One groove, 171 groove bottoms, trough wall surface on 172,173 times trough wall surfaces, 18 protrude above portion, countersunk head threaded hole on 181,19 times protrusions
Portion, 191 sinking head thread holes；
Slips body after 2,21 front faces, 22 rear surfaces, 23 upper wall surfaces, 24 lower wall surfaces, 25 bottom plates, 251 tapped through holes, 26 is left
Side plate, 27 right plates, 28 second grooves, 281 groove bottoms, 282 left trough wall surfaces, 283 right trough wall surfaces, 29 ear mounts；
3 slip dogs；4 sunk screws；5 cupboard button devices；Screw-off mechanism on 6；7 clamping mechanisms；8 base assembly.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In addition to non-individual defines the direction pointed out, the directions such as upper and lower, front, rear, left and right being referred to herein are
The directions such as the upper and lower, front, rear, left and right being subject in Fig. 2 shown in the present invention, illustrate in this together.
As shown in Figures 1 to 4, the present invention provides a kind of Power Tong combination slips comprising：Slips body 2 afterwards, is articulated with
The Power Tong, 21 recessed second groove 28 of front face of the rear slips body 2；Preceding slips body 1 is located at the rear slips body
2 front, the front face 11 of the preceding slips body 1 are installed with the slip dog 3 of multiple energy sandwiched drilling rods, the preceding slips body 1
12 recessed first groove 17 of rear surface, the first groove 17 of the preceding slips body 1 with it is described after slips body 2 the second groove 28
Mutually card is set, and what the preceding slips body 1 can be dismantled is connected with the rear slips body 2.
Specifically, as shown in figure 3, preceding slips body 1 is substantially inverted U shape body, the front face 11 of preceding slips body 1 forms U-shaped body
Bottom surface, front face 11 is in substantially concave arc, and to be embedded multiple slip dogs 3, i.e., multiple slip dogs 3 are to be pre-installed on preceding card
It is assembled again with rear slips body 2 after on watt body 1, to dismantle or be installed on rear slips body 2 by preceding slips body 1, realizes card
The rapid replacement of watt dental lamina 3 and/or the preceding slips body 1 that may be contacted with drilling rod, is embedded the circular arc of the front face 11 of slip dog 3
The radius of radius and drilling rod to be held is adapted (also can holding drill pipe), and multiple preceding slips bodies 1, which enclose, to be set in cylinder,
The longitudinal center line of the cylinder is conllinear with the longitudinal center line of drilling rod, and multiple slip dogs 3 of multiple preceding slips bodies 1 are along brill
The circumferencial direction of bar is uniformly arranged, and so that multiple slip dogs 3 is uniformly exerted a force to drilling rod along the circumferencial direction of drilling rod, multiple slip inserts
Plate 3 is arranged in parallel along longitudinal direction namely multiple slip dogs 3 are (namely vertical shown in Fig. 3 along the extending direction of front face 11
Direction) extend and arranged in parallel, the development length of slip dog 3 is effective clamping of the Power Tong combination slips to drilling rod
Highly, the radial radian of slip dog 3 is effective cornerite of each slip dog 3 to drilling rod, effective clamped height and
The selection of effective cornerite is appropriate, can be arranged as required to, to ensure effective contact surface enough between slip dog 3 and drilling rod
Product, and as make effective contact area big as possible, keep slip dog 3 small to the bite mark of drilling rod or without bite mark, it is ensured that in certain folder
Under holding force effect, the active force between slip dog 3 and drilling rod is uniformly and reliable effective；
Meanwhile the rear surface 12 of preceding slips body 1 is a flat surface, in favor of opening up the first groove 17, first groove 17
Longitudinal section take the shape of the letter U, wherein longitudinal section refers to the vertical direction shown in Fig. 3 and the direction parallel with side wall surface 15, preceding slips
The side wall surface 15 of body 1 also generally U-shaped, and side wall surface 15 is a flat surface, in favor of with the installation that is bonded of rear slips body 2, preceding card
The upper wall surface 13 and lower wall surface 14 of watt body 1 are in plane, in favor of opening up countersunk head threaded hole, between upper wall surface 13 and front face 11
Fillet surface 16 is formed, also forms fillet surface 16 between lower wall surface 14 and front face 11, to play the guiding role to drilling rod, is conducive to drilling rod
Installation.
As shown in figure 4, rear slips body 2 is substantially inverted U shape body, the front face 21 of rear slips body 2 is in substantially a plane, with profit
In opening up the second groove 28, the U-shaped profile of second groove 28, wherein cross section refer to horizontal shown in Fig. 3
Direction and the direction parallel with upper wall surface 13, the rear surface 22 of rear slips body 2 are substantially in a plane, projection backward on rear surface 22
Ear mount 29, ear mount 29 can be one, two or more, rear slips body 2 is securely installed on Power Tong, and before follow-up replace
Without slips body 2 after dismounting when slips body 1 and/or slip dog 3, the upper wall surface 23 and lower wall surface 24 of rear slips body 2 are also
One plane, in favor of opening up threaded hole or tapped through hole 251, convenient for realizing preceding slips body 1 and rear slips body 2 by connector
Connection.
Further, as shown in Figure 3 and Figure 4, first groove 17 runs through the two side walls face of the preceding slips body 1
15, the upper and lower ends of the first groove 17 of the preceding slips body 1 are respectively formed the portion of protruding above 18 and lower protrusion 19, and described second
The upper wall surface 23 and lower wall surface 24 of slips body 2 after groove 28 runs through described, the left side of the second groove 28 of the rear slips body 2,
Rear side and right side are respectively formed left plate 26, bottom plate 25 and right plate 27, specifically, the first groove 17 is through preceding slips body 1
In two side walls face 15 portion 18 and about 19 lower protrusion are protruded above close to a part for rear surface 12, preceding slips body 1 mutually
It is corresponding, it is inverted U shape the opening of the preceding slips body 1 of body towards rear slips body 2, the second groove 28 runs through the upper wall surface of rear slips body 2
23 and lower wall surface 24 in close to front face 21 a part, the left plate 26 and right plate 27 of rear slips body 2 correspond, in falling
The opening of the rear slips body 2 of U-shaped body slips body 1 forward is set with the mutual card of the preceding slips body 1 of realization and rear slips body 2.
Further, as shown in Figures 2 to 4, the groove bottom 281 of second groove 28 and first groove 17
Groove bottom 171 fits, the left trough wall surface 282 and right trough wall surface 283 of second groove 28 respectively with the preceding slips body 1
Two side walls face 15 corresponds to fitting, it is described after slips body 2 bottom plate 25 upper surface and lower face respectively with first groove
17 upper trough wall surface 172 and lower trough wall surface 173 correspond to fitting, so that preceding slips body 1 is contacted with each other with rear slips body 2 and are bonded each other
Card is set；Wherein, the groove bottom 171 of the first groove 17 is in the plane being vertically arranged, and the groove bottom 281 of the second groove 28 is also in vertical
The plane of setting, the size and shape of the size and shape of the groove bottom 171 of the first groove 17 and the groove bottom 281 of the second groove 28
Shape all same, naturally it is also possible to which being set to the groove bottom 281 of the groove bottom 171 of the first groove 17 and the second groove 28 can phase
The inclined surface being mutually bonded makes preceding slips body 1 be set with the mutually card of rear slips body 2, herein not as long as the fitting of the two can be realized
It is restricted；The left trough wall surface 282 of second groove 28 is also the internal face of left plate 26, the right trough wall surface 283 of the second groove 28
Also it is the internal face of right plate 27, the distance between left trough wall surface 282 and right trough wall surface 283 of the second groove 28 are equal to preceding card
The distance between the two side walls face 15 of watt body 1, by the left trough wall surface 282 and right trough wall surface 283 of the second groove 28 respectively with
The two side walls face 15 of preceding slips body 1 corresponds to contact and coordinate (wraps up the two side walls of preceding slips body 1 by the second groove 28
Face 15), to transmit torque in upper shackle；The upper trough wall surface 172 of first groove 17 is also the lower surface for protruding above portion 18, after
The upper surface of the bottom plate 25 of slips body 2 is also a part for the upper wall surface 23 of rear slips body 2, the upper trough wall surface of the first groove 17
The size and shape all same of 172 size and shape and the upper surface of the bottom plate 25 of rear slips body 2 makes the two fitting completely；
The lower trough wall surface 173 of first groove 17 is also the upper surface of lower protrusion 19, the lower face of the bottom plate 25 of rear slips body 2 namely
For a part for the lower wall surface 24 of rear slips body 2, the size and shape of the lower trough wall surface 173 of the first groove 17 and rear slips body 2
Bottom plate 25 lower face size and shape all same, both make fitting completely.
In the first embodiment, the portion 18 that protrudes above of the preceding slips body 1 opens up multiple upper countersunk head threaded holes 181, described
The upper surface of the bottom plate 25 of slips body 2 opens up the upper screwed hole of multiple connections corresponding with the upper countersunk head threaded hole 181 afterwards, described
Preceding slips body 1 with it is described after slips body 2 by being arranged in multiple countersunk heads of the upper countersunk head threaded hole 181 and the upper screwed hole
Screw 4 is connected, wherein upper countersunk head threaded hole 181 is perforative to be set to the portion 18 that protrudes above, and upper screwed hole is recessed in rear slips body 2
The upper surface of bottom plate 25 and not through bottom plate 25, the quantity of upper countersunk head threaded hole 181 and the quantity of upper screwed hole are equal and upper and lower
It is correspondingly arranged, preferably, the upper countersunk head threaded hole 181 is two or three, naturally it is also possible to be set as other as needed
Quantity is not limited herein.
In a second embodiment, the lower protrusion 19 of the preceding slips body 1 opens up multiple sinking head threads hole 191, described
The lower face of the bottom plate 25 of slips body 2 opens up the lower threaded hole of multiple connections corresponding with sinking head thread hole 191 afterwards, described
Preceding slips body 1 with it is described after slips body 2 by being arranged in multiple countersunk heads in sinking head thread hole 191 and the lower threaded hole
Screw 4 is connected, wherein sinking head thread hole 191 is perforative is set to lower protrusion 19, and lower threaded hole is recessed in rear slips body 2
The lower face of bottom plate 25 and not through bottom plate 25, the quantity of the quantity in sinking head thread hole 191 and lower threaded hole is equal and upper and lower
It is correspondingly arranged, preferably, sinking head thread hole 191 is two or three, naturally it is also possible to be set as other as needed
Quantity is not limited herein.
In the third embodiment, it is the combination of first embodiment and second embodiment, i.e.,：The preceding slips body 1 it is upper
Protrusion 18 opens up multiple upper countersunk head threaded holes 181, and the upper surface of the bottom plate 25 of the rear slips body 2 opens up on multiple and described
Countersunk head threaded hole 181 corresponds to the upper screwed hole of connection, and the lower protrusion 19 of the preceding slips body 1 opens up multiple sinking head threads hole
191, the lower face of the bottom plate 25 of the rear slips body 2 opens up the lower spiral shell of multiple connections corresponding with sinking head thread hole 191
Pit, the preceding slips body 1 is with the rear slips body 2 by being arranged in the upper countersunk head threaded hole 181 and the upper screwed hole
Multiple sunk screws 4 and be arranged in sinking head thread hole 191 and be connected with multiple sunk screws 4 of the lower threaded hole,
Wherein, the quantity of upper countersunk head threaded hole 181 is equal with the quantity of upper screwed hole, the quantity in sinking head thread hole 191 and lower screw thread
The quantity in hole is equal, and the quantity of upper countersunk head threaded hole 181 and the quantity in sinking head thread hole 191 can be equal, can not also phase
Deng.
In the fourth embodiment, as shown in Figures 2 to 4, the portion 18 that protrudes above of the preceding slips body 1 opens up multiple upper countersunk heads
Threaded hole 181, the lower protrusion 19 of the preceding slips body 1 open up multiple lower countersunk heads corresponding with the upper countersunk head threaded hole 181
Threaded hole 191, it is described after slips body 2 bottom plate 25 on through being equipped with multiple with the upper countersunk head threaded hole 181 corresponding be connected to
Tapped through hole 251, the preceding slips body 1 is with the rear slips body 2 by being arranged in the upper countersunk head threaded hole 181, the spiral shell
Line through-hole 251 and multiple sunk screws 4 in sinking head thread hole 191 are connected, wherein multiple tapped through holes 251 also with it is more
A sinking head thread hole 191 corresponds connection, and perforative be set to of upper countersunk head threaded hole 181 protrudes above portion 18, lower countersunk head
The lower trough wall surface 173 of threaded hole 191 from the first groove 17 is down-set, can run through lower protrusion 19, can not also run through
The quantity of lower protrusion 19, the quantity of upper countersunk head threaded hole 181, the quantity of tapped through hole 251 and sinking head thread hole 191 is homogeneous
Deng and be correspondingly arranged up and down, preferably, the upper countersunk head threaded hole 181 be two or three, naturally it is also possible to set as needed
For other quantity, it is not limited herein.
The annular drilling rod that the Power Tong combination slips of the present invention can be applied to continuous cyclic drilling in the prior art is dynamic
Power clamps, and the annular drill pipe tong of continuous cyclic drilling includes base assembly 8, clamping mechanism 7, upper screw-off mechanism 6, propelled rotating-screw device
Structure 5, wherein concrete structure, connection relation and the work of base assembly 8, clamping mechanism 7, upper screw-off mechanism 6 and cupboard button device 5
Principle is the known prior art, and details are not described herein, and Power Tong of the invention combines slips can be by clamping mechanism 7
Connecting rod is connected to annular drill pipe tong (such as hinged connection type) (as shown in Figure 1), to unload brill in continuous cyclic drilling
Drilling rod is clamped when bar (or single) operation, to realize Power Tong to the revolution spinner of drilling rod and for shackle on drilling rod, and this hair
Effective contact area of the combination slips and drilling rod of bright preceding slips body 1 and rear slips body 2 composition is big, uniformly can reliably be clamped
Drilling rod ontology, especially can be during shackle operation on continuous cyclic drilling or when connecting and disconnecting drill rod (or single) reliable and effective folder
Drilling rod is held, certainly, the present invention also can be used as the use of the slips in other similar Power Tongs.
The Power Tong combination slips of the present invention is matched in work advance luggage, as depicted in figs. 1 and 2, first in preceding slips body 1
Upper prepackage slip dog 3 (such as slip dog 3 be fixedly arranged on by connector before slips body 1 front face 11 on), then will after
Slips body 2 is installed on the annular drill pipe tong of continuous cyclic drilling, will then be preinstalled with multiple preceding slips of slip dog 3
First groove 17 of body 1 is arranged on the second groove 28 of rear slips body 2, and is connected by multiple sunk screws 4, with reality
The slip dog 3 of existing multiple preceding slips bodies 1 to drilling rod uniformly and the contact sandwiched of large area reduces mill to realize uniform stressed
Damage, service life are long；
When slip dog 3 is worn and needs replacing or because drilling rod specification changes need replacing slip dog 3 when, because
Before slip dog 3 is pre-installed in slips body 1, therefore can be by preceding slips body 1 and slip dog 3 together from rear slips body 2
It unloads, unclamps the sunk screw 4 connected between preceding slips body 1 and rear slips body 2 first, slips body 1 before releasing forward (including block
Watt dental lamina 3), and slips body 1 before proposing, after slip dog 3 to be replaced, then slips body 1 before new slip dog 3 is installed in
On, and the preceding slips body 1 for being installed with new slip dog 3 is arranged on rear slips body 2, and connected admittedly by sunk screw 4
It is fixed, it is easy to operate, it is time saving and energy saving, certainly, under conditions of replacing space permission, directly slip dog 3 can also be blocked in the past
It is removed on watt body 1 and is replaced (such as dismantling connection part etc.), without slips body 1, wide adaptation range before removing；
When being worn and needing replacing in preceding slips body 1 or because drilling rod specification changes need replacing before slips body 1 when, nothing
Need to entire Power Tong be combined slips remove, avoid after whole remove tedious work when integral installation again, and only need to unclamp
The sunk screw 4 of connection preceding slips body 1 and rear slips body 2 pushes forward preceding slips body 1, by (including the slips of preceding slips body 1
Dental lamina 3) it is removed from rear slips body 2, slips body 1 before reintroducing, when replacing suitable preceding slips body 1, slip dog 3 is
It is pre-installed in new preceding slips body 1, slips body 1 before pushing backward, the first groove 17 of slips body 1 and the second groove 28 paste before making
It closes card to set, tightens sunk screw 4 preceding slips body 1 to be mounted on rear slips body 2, without excessive connection to just operating
Deng, it is easy to operate, it is time saving and energy saving.
The characteristics of Power Tong combination slips of the present invention and advantage are：
1, the present invention is set by preceding slips body 1 and the mutually card of rear slips body 2, and is fixedly connected by fixing piece, to realize
Quick-replaceable is embedded with the preceding slips body 1 of slip dog 3, simple in structure, simple and practicable, specifically, by the first groove 17 with
The second mutually card of groove 28 is set, and dismountable connection of preceding slips body 1 and rear slips body 2 is realized by sunk screw 4, is convenient for
Occur wearing in slip dog 3 or occurs wearing or due to drilling rod specification changes with the preceding slips body 1 that drilling rod may contact
When needing replacing slip dog 3 and preceding slips body 1, it will quickly can be embedded the preceding slips body 1 of slip dog 3 at the construction field (site)
It removes, without dismantling the rear slips body 2 being fixedly connected with Power Tong, realizes the quick-replaceable of slips at the scene, dismantle
Simple installation, construction efficiency are high.
2, the present invention makes the preceding slips for being embedded with slip dog 3 by pre-installing multiple slip dogs 3 on preceding slips body 1
The structure snd size of body 1 and the specification of drilling rod are adapted, and are being made up a joint or column or during making a trip with realizing, are being increased card
Effective contact area of watt dental lamina 3 and drilling rod, keeps the clamping to drilling rod uniformly reliable, it is ensured that after clamping drilling rod, combination slips with
It is not produced relative sliding between drilling rod, does not damage drilling rod, overall mechanical properties are good, and overall structure is reliable and stable.
3, rear slips body 2 is positioned and secured on Power Tong by the present invention, will be preinstalled with the preceding slips of multiple slip dogs 3
The card of body 1, which is set, to be fixed on rear slips body 2, ensure that the location and installation of combination slips, avoids slips body 1 and/or slips before replacing
Reposition when dental lamina 3, with multiple slip dogs 3 of slips body 1 before guarantee can uniform holding drill pipe always, make slip insert
The clamping force that plate 3 acts on drilling rod is uniform, and clamping is reliable and stable.
The above is only presently preferred embodiments of the present invention, not does limitation in any form to the present invention, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, has in any technical field
Usual skill, in the range of not departing from technical solution of the present invention, when the technology contents using the disclosure above make it is a little
The equivalent embodiment of equivalent variations is changed or is modified to, as long as being the content without departing from technical solution of the present invention, according to the present invention
Technical spirit to any simple modification, equivalent change and modification made by above example, still fall within the technology of the present invention side
In the range of case.
Claims (8)
1. a kind of Power Tong combines slips, which is characterized in that the Power Tong combines slips and includes：
Slips body afterwards is articulated with the Power Tong, recessed second groove of front face of the rear slips body；
Preceding slips body, is located at the front of the rear slips body, and the front face of the preceding slips body is installed with multiple energy sandwicheds and bores
The slip dog of bar, recessed first groove of rear surface of the preceding slips body, the first groove of the preceding slips body with it is described after
Second groove of slips body, which mutually blocks, to be set, and the preceding slips physical efficiency dismounting is connected with the rear slips body；
Wherein, first groove run through the preceding slips body two side walls face, the first groove of the preceding slips body it is upper
Lower both ends are respectively formed the portion of protruding above and lower protrusion, and the upper wall surface and lower wall surface of the preceding slips body are in plane, before described
Fillet surface is respectively formed between the upper wall surface and lower wall surface and the front face of slips body, second groove is through the rear slips
The upper wall surface and lower wall surface of body, left side, rear side and the right side of the second groove of the rear slips body are respectively formed left plate, bottom plate
And right plate；
The groove bottom of second groove and the groove bottom of first groove fit, the left trough wall surface of second groove and
Right trough wall surface is corresponding with the preceding two side walls face of slips body respectively to be bonded, and the upper surface of the bottom plate of the rear slips body is under
End face fitting corresponding with the upper trough wall surface of first groove and lower trough wall surface respectively.
2. Power Tong according to claim 1 combines slips, which is characterized in that the portion of protruding above of the preceding slips body opens up
Multiple upper countersunk head threaded holes, it is described after the upper surface of bottom plate of slips body open up multiple corresponding with the upper countersunk head threaded hole be connected to
Upper screwed hole, the preceding slips body with it is described after slips body by being arranged in the upper countersunk head threaded hole and the upper screwed hole
Multiple sunk screws be connected.
3. Power Tong according to claim 1 or 2 combines slips, which is characterized in that the lower protrusion of the preceding slips body
Open up multiple sinking head threads hole, it is described after slips body bottom plate lower face open up it is multiple corresponding with sinking head thread hole
The lower threaded hole of connection, the preceding slips body is with the rear slips body by being arranged in sinking head thread hole and the lower spiral shell
Multiple sunk screws of pit are connected.
4. Power Tong according to claim 1 combines slips, which is characterized in that the portion of protruding above of the preceding slips body opens up
Multiple upper countersunk head threaded holes, the lower protrusion of the preceding slips body open up multiple lower countersunk heads corresponding with the upper countersunk head threaded hole
Threaded hole, it is described after slips body bottom plate on through the tapped through hole for being equipped with multiple connections corresponding with the upper countersunk head threaded hole,
The preceding slips body is with the rear slips body by being arranged in the upper countersunk head threaded hole, the tapped through hole and the lower countersunk head
Multiple sunk screws of threaded hole are connected.
5. Power Tong according to claim 2 or 4 combines slips, which is characterized in that the upper countersunk head threaded hole is two
Or three.
6. Power Tong according to claim 3 combines slips, which is characterized in that sinking head thread hole is two or three
It is a.
7. Power Tong according to claim 1 combines slips, which is characterized in that the longitudinal section of first groove takes the shape of the letter U.
8. Power Tong according to claim 1 combines slips, which is characterized in that the U-shaped profile of second groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611215304.5A CN106761483B (en) | 2016-12-26 | 2016-12-26 | Power Tong combines slips |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611215304.5A CN106761483B (en) | 2016-12-26 | 2016-12-26 | Power Tong combines slips |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106761483A CN106761483A (en) | 2017-05-31 |
| CN106761483B true CN106761483B (en) | 2018-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611215304.5A Active CN106761483B (en) | 2016-12-26 | 2016-12-26 | Power Tong combines slips |
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| Country | Link |
|---|---|
| CN (1) | CN106761483B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159216B (en) * | 2019-05-09 | 2022-05-20 | 刘新丽 | Novel oil field screw pump supporting slip |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7600450B2 (en) * | 2008-03-13 | 2009-10-13 | National Oilwell Varco Lp | Curvature conformable gripping dies |
| CN102287149B (en) * | 2011-08-19 | 2013-04-24 | 荆州市现代石油科技发展有限公司 | Hydraulic power slip of drill rod |
| CN103437720A (en) * | 2013-08-29 | 2013-12-11 | 成都科盛石油科技有限公司 | Clamping device |
| CN203716880U (en) * | 2013-10-25 | 2014-07-16 | 镇江安达煤矿专用设备有限公司 | Split slip |
| CN206458357U (en) * | 2016-12-26 | 2017-09-01 | 中国石油天然气集团公司 | Power Tong combines slips |
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2016
- 2016-12-26 CN CN201611215304.5A patent/CN106761483B/en active Active
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| Publication number | Publication date |
|---|---|
| CN106761483A (en) | 2017-05-31 |
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