CN206554800U - Drive casing appliances in a kind of inner support external clamping top of annular hydraulic cylinder driving - Google Patents
Drive casing appliances in a kind of inner support external clamping top of annular hydraulic cylinder driving Download PDFInfo
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- CN206554800U CN206554800U CN201720161915.XU CN201720161915U CN206554800U CN 206554800 U CN206554800 U CN 206554800U CN 201720161915 U CN201720161915 U CN 201720161915U CN 206554800 U CN206554800 U CN 206554800U
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Abstract
Casing appliances is driven on a kind of inner support external clamping top of annular hydraulic cylinder driving, and the upper/lower terminal of upper mandrel is each provided with screw thread, and the upper screw thread of upper mandrel is connected with top driving device, and the lower screw thread of upper mandrel is connected with lower mandrel；Annular hydraulic oil cylinder system is installed on the outside of upper mandrel；Annular hydraulic oil cylinder system lower end is connected with power-transmission system；Power-transmission system lower end is connected with interior support system；Interior support system lower end is connected with pilot seal system；Pilot seal system peripheral is equipped with outer clipping system.During work, the slips stretching internal surface of sleeve pipe of interior support system, the slips gripping sleeve outer wall of outer clipping system, therefore, the utility model can improve top and drive casing appliances bearing capacity and upper button ability, in addition, can also revoling tube, handling sleeve pipe, circulating mud at any time using this instrument, so as to improve casing job efficiency and security, drilling well integrated cost is reduced.
Description
Technical field
The utility model is related to petroleum gas well cementation equipment technology field, more particularly to a kind of annular hydraulic cylinder driving
Drive casing appliances in inner support external clamping top.
Background technology
The purpose of casing job is to insulate stratum, Reinforcing Shaft, prevents oil and gas leakage and set up gas channel etc., is
An extremely important link in oil and gas well drilling operation process.Casing appliances is the key for completing casing job
Property equipment, conventional setting of casing equipment mainly includes：Wellhead slip for grip sleeve, the hydraulic pressure sleeve pipe for sleeve pipe spinner
The instruments such as pincers, the open grouting device for discontinuously irrigating mud, casing elevator for lifting sleeve pipe.
There are the following problems for above-mentioned conventional setting of casing equipment：(1) casing tong spinner is utilized, the moment of torsion transmission of casing threads is turned round
Away from being difficult accurate control；(2) irrigate mud using interrupted provisions for grouting, it is impossible to circulating mud in time as needed, especially exist
When sleeve pipe tripping in is hampered, it is necessary to reconnect kelly bar and set up mud circulation, remove desilting, have impact on tube efficiency of trapping；(3) it is sharp
Lifting the sleeve pipe in sleeve pipe, well with casing elevator can not rotate；(4) also there is complex operation, operation in conventional setting of casing equipment
Efficiency is low, the shortcomings of security reliability is not high.
To solve the above problems, have developed top both at home and abroad drives casing pipe running device, according to the action mode of slips and sleeve pipe not
Together, can be by the tools sort：Casing appliances is driven on inner bearing type top, and casing appliances is driven on external clamping top.The patent No.：
CN20092010589 6.4、CN201120336246.8、CN201120469419.3、CN201520393455.4、
CN201320856096.2 etc. discloses inner bearing type top and drives casing appliances, the patent No.：CN201120557017.9、
CN201520506694.6 etc. discloses external clamping top and drives casing appliances.Wanted however, casing pipe running device is driven on the top of above-mentioned patent
Inner bearing type grip sleeve is used, or using external clamping grip sleeve, so as to cause top to drive casing pipe running device bearing capacity, card
Watt holding capability and torque-transfer capability it is limited, be hampered in setting of casing, it is necessary to lift sleeve pipe, revoling tube with by being hampered ground
During layer, the slips holding capability of above-mentioned top drive casing appliances, bearing capacity are too small, easily make to occur to beat during slips grip sleeve
It is sliding, sleeve pipe generation destruction or sleeve pipe is dropped, therefore, casing pipe running device is driven on existing top can not safe and efficient completion setting of casing
Operation.
Utility model content
In order to overcome the disadvantages mentioned above of existing setting of casing equipment, the purpose of this utility model：A kind of annular hydraulic cylinder is provided
Casing appliances is driven on the inner support external clamping top of driving, with revoling tube at any time, handling sleeve pipe, perfusion circulating mud, operation peace
The characteristics of total efficiency is high, and instrument holding capability, instrument bearing capacity, tool torque transmission capacity are big.
In order to achieve the above object, the technical solution of the utility model is realized in：
Drive casing appliances, including upper mandrel 1, annular hydraulic oil cylinder in a kind of outer support inner clamping type top of annular hydraulic cylinder driving
System 2, power-transmission system 3, interior support system 4, outer clipping system 5, pilot seal system 6, it is characterized in that：Upper mandrel 1 it is upper and lower
Two ends are each provided with screw thread, and the upper screw thread of upper mandrel 1 is connected with top driving device, and the lower screw thread of upper mandrel 1 is connected with lower mandrel 7；
The upper outside of mandrel 1 is provided with annular hydraulic oil cylinder system 2；The lower end of annular hydraulic oil cylinder system 2 is connected with power-transmission system 3；
The lower end of power-transmission system 3 is connected with interior support system 4；The interior lower end of support system 4 is connected with pilot seal system 6；Pilot seal system
Outer clip system 5 is provided with outside system 6；
The upper/lower terminal of the upper mandrel 1 is each provided with being provided with step on the downside of taper thread, the upper taper thread of upper mandrel 1,
Step end face is provided with manhole；It is provided with the downside of the step end face of upper mandrel 1 in annular groove, annular groove and card is installed
Hoop 50；The center outer surface of the upper mandrel 1 is to be provided with screw thread on the upside of periphery, periphery, is threaded through screw thread company
It is connected on the downside of small round nut, small round nut and is provided with step；Upper bearing (metal) 21 is installed between step and small round nut；
The center outer surface of upper mandrel 1 is cased with annular hydraulic cylinder system, and the annular hydraulic cylinder system includes upper bearing (metal)
End cap 20, upper bearing (metal) 21, outer cylinder body 22, inner cylinder body 23, cylinder cover 24；The inner surface setting of the inner cylinder body 23 has shoulder hole
26, it is cased with that power-transmission system 3 is installed in mandrel 1, the macropore of shoulder hole 26 in the aperture of shoulder hole 26；Inner cylinder body 23
Outer surface is provided with multi-diameter shaft 27, big axial end and the bolt connection of lower bearing end cap 33, the small axle of multi-diameter shaft 27 of multi-diameter shaft 27
Outer surface is provided with annular boss 25, and the outer surface of annular boss 25, which is provided with groove, groove, is provided with sealing ring, and sealing circle is outer
It is cased with outer cylinder body 22；The inner surface setting of outer cylinder body 22, which has in shoulder hole, the aperture of shoulder hole, is provided with upper bearing (metal) 21, ladder
The aperture end face in hole is fastenedly connected with the bolt of top bearing cover 20, and the annular boss of inner cylinder body 23 is provided with the macropore of shoulder hole
25, big hole end surface and the bolt of cylinder cover 24 of shoulder hole are fastenedly connected；
The inner cylinder body 23 and the bolt connection of power-transmission system 3, the power-transmission system 3 include big round nut 30,
Dust ring 31, lower bearing 32, lower bearing end cap 33, slip spider 34；The inner surface of slip spider 34 is cased with lower mandrel 7, slip spider
34 outer surfaces are stepped, and the downside of slip spider 34 is provided with the oblique T-slot of opening, oblique T-slot and is provided with interior support system 4
Slips；It is provided with the upside of oblique T-slot on the upside of step, step and is provided with screw thread, is threaded with big round nut 30, big round nut 30
It is cased with dust ring 31 outside；Lower bearing 32 is installed between step and round nut 30；Lower bearing 32 positions by lower bearing end cap 33,
Fastening；
The slip spider 34 is connected with interior support system 4, and the interior support system 4 includes lower mandrel 7, slips 40；The lower core
Outer wedge surface is provided with the downside of the outer surface of axle 7, the inside bottom surface of slips 40 is provided with interior wedge surface；The interior wedge surface peace of slips 40
In outer wedge surface loaded on lower mandrel 7；Slips 40 can be slided along the wedge surface of lower mandrel 7；
The lower end of lower mandrel 7 is threaded with pilot seal system 6, and pilot seal system 6 includes protrusion-dispelling ring 60, packing element
61st, guide head 62；Packing element 61 is installed between protrusion-dispelling ring 60 and guide head 62, and guide head 62 is threadedly coupled with lower mandrel 7；
The outer clipping system 5 includes clip 50, clamping sleeve 51, support arm 52, support base 53, square cylinder 54, piston
Bar 55, arc slips 56, welding end cap 57；The outer clipping system 5 is anchored on by clip 50 in the annular groove of upper mandrel 1；
The semicircular in shape of clip 50, semicircular end-face is provided with semicircle lug, and semicircle lug end face is provided with manhole, spiral shell
Two clips 50 are connected as one by bolt through manhole；Cylindrical projection is provided with the middle part of the arc-shaped surface of clip 50, cylinder is convex
Support arm 52 is cased with outside rising, support arm 52 is contacted with clamping sleeve 51, and support arm 52 is fastened by bolts the end face in cylindrical projection；
The lower end of support arm 52 is welded with support base 53, and support base 53 is in disk form, and disc surface is evenly equipped with two ring through hole,
Bolt is connected with square cylinder 54 through through hole；Square cylinder 54 is in cuboid, and the interior setting of cuboid is evenly equipped with four cavitys,
Piston rod 55 is installed in cavity；The middle part of piston rod 55, which is provided with outside boss, boss, is provided with annular groove, in annular groove
It is provided with sealing ring, sealing ring outer tube square cylinder 54；One end outer surface of piston rod 55 is provided with outside screw thread, screw thread and arc
Shape slips 56 is fastenedly connected；Welding end cap 57 is welded in the cavity end face of square cylinder 54.
Compared with the prior art, effect of the present utility model is：1) annular hydraulic oil cylinder system architecture is simple, assemble letter
Just, top can be simplified and drive the labyrinth of casing pipe running device, and reduce top and drive casing pipe running device manufacturing cost；2) using outer support formula and
Inner clamping type two ways simultaneously clamps on sleeve pipe, in addition, also add the contact area of slips and sleeve pipe, the chucking power of slips increases
Greatly, bearing capacity, torque-transfer capability that casing pipe running device is driven on top can be effectively improved；3) the utility model bearing capacity, moment of torsion
Transmission capacity is big, can as sleeve pipe during casing drilling clamping head so that grip sleeve completes casing drilling operation；4) this practicality
New Energy circulating mud at any time as needed, handling tubing string, rotation tubing string, improve casing job automaticity, setting of casing
Operating efficiency, reduces the integrated cost of petroleum gas well cementing operation.
Brief description of the drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model three-dimensional structure schematic views.
Fig. 3 is upper mandrel three dimensional structure diagram.
Fig. 4 is annular cylinder system three dimensional structure diagram.
Fig. 5 is inner cylinder body three-dimensional structure schematic views.
Fig. 6 is outer cylinder body three dimensional structure diagram.
Fig. 7 is power-transmission system three dimensional structure diagram.
Fig. 8 is slip spider three-dimensional structure schematic views.
Fig. 9 is outer clipping system three dimensional structure diagram.
Figure 10 is clip three-dimensional structure structural representation.
Figure 11 is the three-dimensional structure schematic views at square cylinder.
Figure 12 is piston rod construction schematic diagram.
1. on mandrel, 2. annular cylinder systems, 3. power-transmission systems, support system in 4., 5. outer clipping systems, 6. be oriented to it is close
Envelope system, 7. times mandrels, 20. top bearing covers, 21. upper bearing (metal)s, 22. outer cylinder bodies, 23. inner cylinder bodies, 24. cylinder covers, 25.
Ring-shaped step, 26. shoulder holes, 27. multi-diameter shafts, 30. big round nuts, 31. dust rings, 32. lower bearings, 33. lower bearing end caps,
34. slip spider, 35. slip spider screw threads, 40. slips, 50. clips, 51. clamping sleeves, 52. support arms, 53. support bases, 54.
Square cylinder, 55. piston rods, 56. arc slips, 57. welding end caps, 60. protrusion-dispelling rings, 61. packing elements, 62. guide heads.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
Reference picture 1, Fig. 2, a kind of outer support inner clamping type top drive casing appliances of annular hydraulic cylinder driving, including upper mandrel 1,
Annular hydraulic oil cylinder system 2, power-transmission system 3, interior support system 4, outer clipping system 5, pilot seal system 6, it is characterized in that：On
The upper/lower terminal of mandrel 1 is each provided with screw thread, and the upper screw thread of upper mandrel 1 is connected with top driving device, and the lower screw thread of upper mandrel 1 is with
Mandrel 7 is connected；The upper outside of mandrel 1 is provided with annular hydraulic oil cylinder system 2；The connection of the lower end of annular hydraulic oil cylinder system 2 is dynamic
Transmission system 3；The lower end of power-transmission system 3 is connected with interior support system 4.
Reference picture 2, the upper upper/lower terminal of mandrel 1 is each provided with taper thread, and upper taper thread and the top driving device of upper mandrel 1 connect
Connect；The lower taper thread of upper mandrel 1 is connected with lower mandrel 7.The epicone threaded lower end of upper mandrel 1 is designed with dish type boss, and dish type is convex
12 manholes are provided with platform, the through hole is fastenedly connected clip 50 for bolt.Designed under the dish type boss of upper mandrel 1
Have and two clips 50 are installed in annular groove, annular groove.It is designed with the annular groove of upper mandrel 1 on the downside of screw thread, screw thread
Boss is designed with, designed screw thread and boss are used for the upper bearing (metal) 21 for installing the annular hydraulic jack system 2 of positioning.Upper mandrel 1
Outer surface is cased with annular hydraulic oil cylinder system 2.
4~Fig. 5 of reference picture, annular hydraulic oil cylinder system 2 includes top bearing cover 20, upper bearing (metal) 21, outer cylinder body 22, inner casing
Body 23, cylinder cover 24.The inner surface setting of inner cylinder body 23 has the upside in shoulder hole 26, shoulder hole 26 to be cased with mandrel 1；
Downside in shoulder hole 26 is cased with power-transmission system 3.The appearance of inner cylinder body 23 is designed with multi-diameter shaft 27, the downside of multi-diameter shaft 27
Cylinder end face is fastenedly connected with the bolt of power-transmission system 3；Ring-shaped step is provided with the middle part of the upside periphery of multi-diameter shaft 27
25, the ring-shaped step 25 plays piston effect；The outer surface of ring-shaped step 25, which is provided with groove, groove, is provided with sealing ring, close
Envelope circle is outer to be cased with outer cylinder body 22, now, and inner cylinder body 23 is divided into two hydraulic oil chambers by sealing ring, respectively oil-feed chamber and
Go out in oil-in chamber, and outer cylinder body 22 and be provided with fuel feed hole and oil outlet.
Reference picture 4, Fig. 6, the inner surface setting of outer cylinder body 22 have shoulder hole, and the upside end face of shoulder hole is provided with screwed hole,
For being fastenedly connected with top bearing cover 20.Top bearing cover 20 is used to positioning and fastening upper bearing (metal) 21, and upper bearing (metal) 21 can make ring
Shape cylinder system is rotated relative to upper mandrel 1, so as to prevent the rotation of annular cylinder system.Upper bearing (metal) 21 is installed on outer cylinder body 22
Upper inside surface.The downside end face bolt connection of shoulder hole has cylinder cover 24, so that the lower end closed of outer cylinder body 22, makes interior
Cylinder body 23 constitutes annular hydraulic oil cylinder with outer cylinder body 22.
Reference picture 7, Fig. 8, power-transmission system 3 include big round nut 30, dust ring 31, lower bearing 32, lower bearing end cap
33rd, slip spider 34.The inner surface of slip spider 34 is cased with lower mandrel 7；The outer surface of slip spider 34 is stepped；The downside of slip spider 34 is set
Have a slips 40 that interior support system 4 is provided with the oblique T-slot of opening, oblique T-slot, slips 40 along lower mandrel 7 slide when, oblique T-shaped
Groove can make the upper end radial direction distending of slips 40.It is provided with the upside of oblique T-slot on the upside of step, step and is provided with slip spider screw thread 35, is blocked
Watt seat screw thread 35 is externally connected with big round nut 30.Lower bearing 32 is installed between step and big round nut 30, and lower bearing 32 passes through
The end cap of lower bearing 32 is positioned and fastened.Lower bearing 32 can be such that power-transmission system 3 is rotated relative to lower mandrel 7, so that anti-stop
Power delivery system 3 follows lower mandrel 7 to rotate.
Reference picture 1, Fig. 2, interior support system 4 include lower mandrel 7, slips 40.It is provided with the downside of the lower outer surface of mandrel 7 outside six
Coordinate on wedge surface, each wedge surface and a slips 7 is installed.The inside bottom surface of slips 40 is provided with interior wedge surface.The interior wedge of slips 40
Face is installed in the outer wedge surface of lower mandrel 7, and slips 40 can be slided along wedge surface.Due to the wedge effect of wedge surface, slips 40 can edge
Radial direction distending, makes the stretching internal surface of sleeve pipe of slips 40, so as to realize sleeve pipe clamping, rotation.
Pilot seal system 6 includes protrusion-dispelling ring 60, packing element 61, guide head 62；Packing element 61 is installed on protrusion-dispelling ring 60 and guiding
Between first 62, guide head 62 is threadedly coupled with lower mandrel 7.Protrusion-dispelling ring 60 is used to limit large deformation behavior when packing element 61 is pressurized,
To prevent mud from revealing.Packing element 61 is, in leather cup shape, to deposit self-sealing function.Guide head 62 is used to guide slip system sleeve pipe ring
It is empty.
The outer clipping systems 5 of 9~Figure 12 of reference picture include clip 50, clamping sleeve 51, support arm 52, support base 53, square oil
Cylinder 54, piston rod 55, arc slips 56, welding end cap 57.Outer clipping system 5 is anchored on the upper annular groove of mandrel 1 by clip 50
It is interior.The semicircular in shape of clip 50, semicircular end-face is provided with semicircle lug；Semicircle lug end face is provided with three circles and led to
Two clips 50 are connected as one by hole, bolt through manhole, so that clip 50 holds upper mandrel 1 tightly；Clip 50
Provided with a cylindrical projection in the middle part of arc-shaped surface；Support arm 52 is cased with outside cylindrical projection, support arm 52 is fastened by bolts in circle
The raised end face of post.The lower end of support arm 52 is connected with support base 53 by welding manner, and support base 53 is in disk form, disk
Surface is provided with two ring through hole, and bolt is connected with square cylinder 54 through through hole.Square cylinder 54 is to be set in cuboid, cuboid
In respect of four cavitys, cavity plays a part of oil cylinder.Piston rod 55 is installed, the middle part of piston rod 55 is designed with step in cavity,
Step plays a part of designing fluted in the middle part of piston, step, is provided with groove outside sealing ring, sealing ring and is cased with square cylinder
54；The end face of square cylinder 54 is connected with welding end cap 57 by welding manner, and welding end cap 57 is used to close square cylinder 54；This
Outside, the lower surface of square cylinder 54 is also devised with fuel feed hole, oil outlet.One end of piston rod 55 is designed with outside screw thread, screw thread and connected
There is arc slips 56, the inner surface of arc slips 56 is designed with slip insert.
The operation principle that casing appliances is driven on a kind of outer support inner clamping type top of annular hydraulic cylinder of the utility model driving is：1)
During clamping：By controlling hydraulic system, make the hydraulic jack pressurising of interior support system 4, slips 40 slides along wedge surface, make the edge of slips 40
Radial direction distending, the stretching internal surface of sleeve pipe of slips 40 completes clamping of the inner support grasping system to sleeve pipe；Then, hydraulic system is controlled, is made
The oil cylinder pressurising of outer clipping system, makes the outer wall of the radially gripping sleeve of arc slips 56, completes folder of the outer clipping system 5 to sleeve pipe
Hold.2) when unclamping, hydraulic system is controlled, makes the oil back chamber pressurising of interior support system 4 and outer clipping system, makes slips 40 and arc card
Watts 56 unclamp sleeve pipes.By above two mode gripping sleeve, the holding capability to sleeve pipe of slips strengthens, and can make under the drive of top
The bearing capacity and torque-transfer capability of casing bit are significantly improved.
Claims (1)
1. casing appliances, including upper mandrel (1), annular hydraulic oil cylinder are driven in a kind of inner support external clamping top of annular hydraulic cylinder driving
System (2), power-transmission system (3), interior support system (4), outer clipping system (5), pilot seal system (6), it is characterized in that：Upper core
The upper/lower terminal of axle (1) is each provided with screw thread, and the upper screw thread of upper mandrel (1) is connected with top driving device, the lower spiral shell of upper mandrel (1)
Line is connected with lower mandrel (7)；Annular hydraulic oil cylinder system (2) is installed on the outside of upper mandrel (1)；Annular hydraulic oil cylinder system (2)
Lower end is connected with power-transmission system (3)；Power-transmission system (3) lower end is connected with interior support system (4)；Under interior support system (4)
End is connected with pilot seal system (6)；Outer clip system (5) is provided with outside pilot seal system (6)；
The upper/lower terminal of the upper mandrel (1) is each provided with being provided with step on the downside of taper thread, the upper taper thread of upper mandrel (1),
Step end face is provided with manhole；It is provided with annular groove, annular groove and is provided with the downside of the step end face of upper mandrel (1)
Clip (50)；The center outer surface of the upper mandrel (1) is to be provided with screw thread on the upside of periphery, periphery, is threaded through
Screwed connection has is provided with step on the downside of small round nut, small round nut；Upper bearing (metal) (21) is installed between step and small round nut；
Upper mandrel (1) center outer surface is cased with annular hydraulic cylinder system, and the annular hydraulic cylinder system includes upper bearing (metal) end
Cover (20), upper bearing (metal) (21), outer cylinder body (22), inner cylinder body (23), cylinder cover (24)；The inner surface of the inner cylinder body (23) is set
It is equipped with shoulder hole (26), the aperture of shoulder hole (26) and is cased with mandrel (1), dynamic pass is installed in the macropore of shoulder hole (26)
Delivery system (3)；The outer surface of inner cylinder body (23) is provided with multi-diameter shaft (27), big axial end and the lower bearing end cap of multi-diameter shaft (27)
(33) annular boss (25), annular boss (25) outer surface are provided with the middle part of bolt connection, the small axle outer surface of multi-diameter shaft (27)
It is provided with groove, groove and sealing ring is installed, sealing circle is outer is cased with outer cylinder body (22)；Outer cylinder body (22) inner surface setting
Have and upper bearing (metal) (21) is installed in shoulder hole, the aperture of shoulder hole, aperture end face and top bearing cover (20) bolt of shoulder hole
It is fastenedly connected, the annular boss (25) of inner cylinder body (23), the big hole end surface and oil cylinder of shoulder hole is installed in the macropore of shoulder hole
End cap (24) bolt is fastenedly connected；
The inner cylinder body (23) and power-transmission system (3) bolt connection, the power-transmission system (3) include big round nut
(30), dust ring (31), lower bearing (32), lower bearing end cap (33), slip spider (34)；Slip spider (34) inner surface is cased with
Lower mandrel (7), slip spider (34) outer surface is stepped, and the oblique T-slot of opening, oblique T-slot are provided with the downside of slip spider (34)
The slips (40) of interior support system (4) is inside installed；It is provided with the upside of oblique T-slot on the upside of step, step and is provided with screw thread (35), spiral shell
Line (35) is connected with outside big round nut (30), big round nut (30) and is cased with dust ring (31)；Lower bearing (32) be installed on step with
Between big round nut (30)；Lower bearing 32 is positioned by lower bearing end cap (33), fastening；
The slip spider (34) is connected with interior support system (4), and the interior support system (4) includes lower mandrel (7), slips (40)；Institute
State and be provided with outer wedge surface on the downside of lower mandrel (7) outer surface, slips (40) inside bottom surface is provided with interior wedge surface；Slips (40)
Interior wedge surface be installed in the outer wedge surface of lower mandrel (7)；Slips (40) can be slided along the wedge surface of lower mandrel (7)；
Lower mandrel (7) lower end is threaded with pilot seal system (6), pilot seal system (6) include protrusion-dispelling ring (60),
Packing element (61), guide head (62)；Packing element (61) is installed between protrusion-dispelling ring (60) and guide head (62), guide head (62) and lower core
Axle (7) is threadedly coupled；
The outer clipping system (5) includes clip (50), clamping sleeve (51), support arm (52), support base (53), square cylinder
(54), piston rod (55), arc slips (56), welding end cap (57)；The outer clipping system (5) is anchored on by clip (50)
In the annular groove of mandrel (1)；Clip (50) semicircular in shape, semicircular end-face is provided with semicircle lug, semicircle convex
Ear end face is provided with manhole, and two clips (50) are connected as one by bolt through manhole；Clip (50) circular arc
Surface middle part is provided with outside cylindrical projection, cylindrical projection and is cased with support arm (52), and support arm (52) is contacted with clamping sleeve (51), support
Arm (52) is fastened by bolts the end face in cylindrical projection；Support arm (52) lower end is welded with support base (53), support
Base (53) is in disk form, and disc surface is evenly equipped with two ring through hole, and bolt is connected with square cylinder (54) through through hole；It is square
Oil cylinder (54) is cuboid, and the interior setting of cuboid is evenly equipped with four cavitys, and cavity is stepped, and piston rod is provided with cavity
(55)；It is provided with the middle part of piston rod (55) outside boss, boss and is provided with annular groove, sealing ring is provided with annular groove,
Sealing ring outer tube square cylinder (54)；One end outer surface of piston rod (55) is provided with outside screw thread, screw thread and arc slips
(56) it is fastenedly connected；Welding end cap (57) is welded in the cavity end face of square cylinder (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720161915.XU CN206554800U (en) | 2017-02-22 | 2017-02-22 | Drive casing appliances in a kind of inner support external clamping top of annular hydraulic cylinder driving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720161915.XU CN206554800U (en) | 2017-02-22 | 2017-02-22 | Drive casing appliances in a kind of inner support external clamping top of annular hydraulic cylinder driving |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206554800U true CN206554800U (en) | 2017-10-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720161915.XU Withdrawn - After Issue CN206554800U (en) | 2017-02-22 | 2017-02-22 | Drive casing appliances in a kind of inner support external clamping top of annular hydraulic cylinder driving |
Country Status (1)
| Country | Link |
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| CN (1) | CN206554800U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761412A (en) * | 2017-02-22 | 2017-05-31 | 西南石油大学 | Drive casing appliances in the inner support external clamping top that a kind of annular hydraulic cylinder drives |
| CN110552619A (en) * | 2019-09-10 | 2019-12-10 | 中国石油集团川庆钻探工程有限公司 | Top drive rotary casing running device |
| CN111456629A (en) * | 2020-04-14 | 2020-07-28 | 西安石油大学 | Diameter-variable external-clamping type top-drive casing pipe lowering device |
| CN113356771A (en) * | 2021-08-10 | 2021-09-07 | 山东旭能石油装备有限责任公司 | Traveling slip with lifting and pressurizing rotation functions |
| CN114856443A (en) * | 2021-02-04 | 2022-08-05 | 兰州兰石石油装备工程股份有限公司 | Multifunctional compensation nipple for top drive casing device |
-
2017
- 2017-02-22 CN CN201720161915.XU patent/CN206554800U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761412A (en) * | 2017-02-22 | 2017-05-31 | 西南石油大学 | Drive casing appliances in the inner support external clamping top that a kind of annular hydraulic cylinder drives |
| CN110552619A (en) * | 2019-09-10 | 2019-12-10 | 中国石油集团川庆钻探工程有限公司 | Top drive rotary casing running device |
| CN110552619B (en) * | 2019-09-10 | 2021-05-18 | 中国石油集团川庆钻探工程有限公司 | Top drive rotary casing running device |
| CN111456629A (en) * | 2020-04-14 | 2020-07-28 | 西安石油大学 | Diameter-variable external-clamping type top-drive casing pipe lowering device |
| CN114856443A (en) * | 2021-02-04 | 2022-08-05 | 兰州兰石石油装备工程股份有限公司 | Multifunctional compensation nipple for top drive casing device |
| CN113356771A (en) * | 2021-08-10 | 2021-09-07 | 山东旭能石油装备有限责任公司 | Traveling slip with lifting and pressurizing rotation functions |
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| GR01 | Patent grant | ||
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171013 Effective date of abandoning: 20181102 |